TWI482011B - Sensor module, power manager module thereof and power-saving method thereof - Google Patents

Description

Sensor module and power management module thereof and power saving method thereof

The invention relates to a sensor module and a power management module thereof and a power saving method thereof, and particularly relates to a sensor module and a power management module thereof according to a sensor signal saving power and power saving thereof method.

The amount of mobile devices depends on their portable batteries. The current storage capacity of portable batteries is only about 2 to 3 days for mobile devices. Such storage capacity is no longer sufficient. Therefore, how to save power for mobile devices has become one of the goals of the industry.

The invention relates to a sensor module and a power management module thereof and a power saving method thereof, which saves power consumption of the power management module according to the sensor signal.

According to an embodiment of the invention, a sensor module is proposed. The sensor module includes at least one sensor, a wireless module, a high clock processing unit, and a low clock processing unit. The high clock processing unit includes a first sensing information capturing engine and a high clock computing engine. The low clock processing unit includes a second sensing information capture engine, a low clock operation engine, and a power saving decision determination engine. The first sensing information capturing engine and the second sensing information capturing engine capture the sensing information of the sensor or the second sensing information capturing engine captures the wireless module The decision instruction of the group; the high The clock operation engine and one of the low clock operation engines calculate the sensing information or the decision instruction to obtain an operation result; the power saving decision determination engine performs an adjustment of the high clock processing unit according to the operation result. System clock and at least one of adjusting the power mode of the sensor

According to another embodiment of the present invention, a power management module is provided. The power management module includes a high clock processing unit and a low clock processing unit. The high clock processing unit includes a first sensing information capturing engine and a high clock computing engine. The low clock processing unit includes a second sensing information capture engine, a low clock operation engine, and a power saving decision determination engine. The first sensing information capturing engine and one of the second sensing information capturing engines capture one sensing information of one sensor or the second sensing information capturing engine captures one of the wireless modules. a decision instruction; one of the high-clock operation engine and the low-clock operation engine computing the sensing information or the decision instruction to obtain an operation result; the power-saving decision determination engine executes the system for adjusting the high-clock processing unit according to the operation result At least one of a pulse and a power mode of the adjustment sensor.

According to another embodiment of the present invention, a power saving method of a sensor module is proposed. The sensor module includes at least one sensor, a wireless module, a high clock processing unit, and a low clock processing unit, wherein the high clock processing unit includes a first sensing information capturing engine and a high The clock operation unit, and the low clock processing unit includes a second sensing information capture engine, a low clock operation engine, and a power saving decision determination engine. The power saving method includes the following steps. One of the first sensing information capture engine and the second sensing information capture engine captures a sensing information of a sensor, or the second sensing information capture engine captures a decision of one of the wireless modules An instruction; one of a high-clock operation engine and a low-clock operation engine operates to sense information, and obtains an operation result; And, the power saving decision determination engine adjusts at least one of a system clock of the high clock processing unit and a power mode of the adjustment sensor according to the operation result.

In order to provide a better understanding of the above and other aspects of the present invention, the following detailed description of the embodiments and the accompanying drawings

Please refer to FIG. 1 , which is a functional block diagram of a power management module according to an embodiment of the invention. The power management module 100 can be provided in an embedded system in a mobile device, such as a mobile phone, a notebook computer or a tablet computer. The power management module 100 includes a high clock processing unit 110 and a low clock processing unit 120.

The high clock processing unit 110 includes a first sensing information extraction engine 111 and a high clock operation engine 112. The first sensing information capturing engine 111 and the high clock computing engine 112 may be circuits or wafers formed by a semiconductor process, and may perform functions by selectively matching firmware and/or software programs. In addition, the first sensing information capturing engine 111 and the high clock computing engine 112 may be two separately configured components or integrated into a single component.

The low clock processing unit 120 includes a second sensing information extraction engine 121, a low clock operation engine 122, and a power saving decision determination engine 123. The second sensing information capturing engine 121, the low clock computing engine 122, and the power saving decision determining engine 123 may be circuits or chips formed by a semiconductor process, and can be completed by selectively matching firmware and/or software programs. Its function. In addition, at least two of the second sensing information capture engine 121, the low clock operation engine 122, and the power saving decision determination engine 123 may be two separately configured components or integrated into a single component. Although not shown, the high clock processing unit 110 At least one of the low clock processing unit 120 can include a storage unit that can store various materials generated or received by the processing unit.

The first sensing information capturing engine 111 and the second sensing information capturing engine 121 capture the sensing information SD of the at least one sensor 130, or the second sensing information capturing engine 121 captures the wireless module. The decision instruction DI of the group 140, wherein the type of the sensor 130 includes at least one of an acceleration sensor, a gyro sensor, a magnetic sensor and a heartbeat sensor, or other information capable of detecting human body or environment. Sensor. The first sensing information capturing engine 111 and the second sensing information capturing engine 121 are electrically connected to the sensor 130. In another example, the first sensing information capturing engine 111 and the second One of the sensing information capture engine 121 can be electrically connected to the sensor 130, and the other of the first sensing information capturing engine 111 and the second sensing information capturing engine 121 can be selectively electrically Connected to the wireless module 140.

The high clock operation engine 112 and the low clock operation engine 122 perform an operation according to the sensing information SD or the decision instruction DI to obtain an operation result (not shown).

The power saving decision determination engine 123 performs, according to the operation result, at least one of (1) adjusting the system clock of the high clock processing unit 110 and (2) adjusting the power mode of the sensor 130, wherein the high clock processing unit is adjusted. The system clock 113 of 110 is, for example, set the system clock 113 to 0 or turn on the system clock 113 (the clock is set to 0 or higher) to control the power consumption of the high clock processing unit 110. The power mode of the adjustment sensor 130 is, for example, turning off or turning on the sensor 130.

In addition, the power management module 100, the sensor 130, and the wireless module 140 can form a sensor module. The sensing module can be set on clothes, belts, enamel watches, animals, human skin, shoes, vehicles, tunnels, iron Roads, bridges, dams, other indoor spaces, other outdoor spaces, or other objects to be measured, to sense human or environmental information, and to control its power mode.

Please refer to FIG. 2A and FIG. 2B, FIG. 2A is a flow chart showing a power saving method of the power management module of FIG. 1 , and FIG. 2B is a diagram showing the power management module of FIG. 1 for the second FIG. The signal transmission path diagram of the electrical method. In this embodiment, the sensor 130 is exemplified by the acceleration sensor 131, the magnetic sensor 132, and the gyro sensor 133.

In step S102, the second sensing information retrieval engine 121 captures the decision instruction DI of the wireless module 140, and the decision instruction DI is, for example, in the form of an 8-bit packet. The decision instruction DI can be sent to the power management module 100 by a user to a mobile device (such as a mobile phone) or an electronic device configured with a wired or wireless communication module to turn off the power of at least one sensor 130 or set a high clock processing. The system clock of the unit 110 is 0, thereby saving the power consumption of the power management module 100.

In step S104, the low clock operation engine 122 performs an operation on the decision instruction DI to obtain an operation result. For example, the low-clock operation engine 122 performs an AND operation of 0x01, 0x02, 0x04, and 0x08 on the decision instruction DI to obtain a first operation result, a second operation result, a third operation result, and a fourth operation result, respectively.

In step S106, the power saving decision determination engine 123 turns off the power of the sensor 130 or sets the system clock of the high clock processing unit to 0 according to the operation result. For example, if the first operation result is 0x01, the power saving decision determination engine 123 turns off the power of the acceleration sensor 131; if the second operation result is 0x02, the power saving decision determination engine 123 turns off the power of the magnetic sensor 132. If the third operation result is 0x04, the power saving decision determination engine 123 turns off the power of the gyro sensor 133; if the fourth operation result R4 is 0x08, the power saving decision determination engine 123 sets the high clock processing unit 110. The system clock is 0.

Please refer to FIG. 3A and FIG. 3B , FIG. 3A is a flow chart showing another power saving method of the power management module of FIG. 1 , and FIG. 3B is a diagram showing the power management module of FIG. 1 for FIG. 3A . The signal transmission path diagram of the power saving method. In this embodiment, the sensor 130 is illustrated by including an acceleration sensor 131, a magnetic sensor 132, a gyro sensor 133, and a heartbeat sensor 134.

In step S202, the second sensing information capture engine 121 captures the latest heartbeat value HD1 of the heartbeat sensor 134.

In step S204, the low-clock operation engine 122 performs an operation of the following formula (1) on the latest heartbeat value HD1 and a historical heartbeat maximum value to obtain an operation result.

In step S206, the low-clock operation engine 122 determines whether the calculation result R is less than 0; if so, it indicates that the subject may go to sleep, so the process proceeds to step S208; if not, the process proceeds to step S214.

In step S208, if the calculation result R is less than 0, the low-clock operation engine 122 sets the latest heartbeat value HD1 as the historical heartbeat maximum value, and transmits the calculation result R to the power-saving decision determination engine 123. If there is already a historical heart The maximum value of the jump, the latest heartbeat value HD1 replaces the existing historical heartbeat maximum, and becomes the latest historical heartbeat maximum. In addition, if the latest heartbeat value HD1 is the first data, the first heartbeat value HD1 is set as the first historical heartbeat maximum, and then the next heartbeat value HD1 and the first historical heartbeat The maximum value is calculated as in equation (1). Although not shown, the low clock processing unit 120 includes a storage unit that can store data generated or received by any low clock processing unit, such as the latest heartbeat value HD1, the historical heartbeat maximum, and the historical heartbeat minimum (bottom). Said) and so on.

In step S210, the power saving decision determination engine 123 determines whether the operation result R is greater than a predetermined ratio, such as +8%. If the operation result R is greater than the preset ratio, indicating that the subject has entered the sleep state, the process proceeds to step S212; if the operation result R is less than the preset ratio, indicating that the subject has not entered the sleep state, no treatment is performed.

In step S212, if the operation result R is greater than the preset ratio, the power saving decision determination engine 123 performs: (1) turning off at least one of the acceleration sensor 131, the magnetic sensor 132, and the gyro sensor 133. The power source, (2) lowering the sampling frequency of the heartbeat sensor 134, and (3) setting the system clock of the high clock processing unit 110 to at least one of a number of operations. For example, the power saving decision determination engine 123 preferentially turns off the power of the most power-consuming gyro sensor 133, turns off the power of the secondary power consumption acceleration sensor 131 and the magnetic sensor 132, and then lowers the heartbeat sensor 134. The sampling frequency is set to 0 of the system clock of the high clock processing unit 110.

In step S214, if the low clock operation engine 122 determines that the operation result R is less than 0, the low clock operation engine 122 still transmits the operation result R to the power saving decision determination engine 123 to cause the power saving decision determination engine 123 to judge. Broken.

Please refer to FIG. 4A and FIG. 4B , FIG. 4A is a flow chart showing another power saving method of the power management module of FIG. 1 , and FIG. 4B is a diagram showing the power management module of FIG. 1 for FIG. 4A . The signal transmission path diagram of the power saving method.

In step S302, the second sensing information capture engine 121 captures the latest heartbeat value HD1 of the heartbeat sensor 134.

In step S304, the low-clock operation engine 122 performs an operation of the following equation (2) on the latest heartbeat value HD1 and a historical heartbeat minimum value, and obtains the operation result R.

In step S306, the low-clock operation engine 122 determines whether the operation result R is greater than 0; if so, indicating that the subject may have left the sleep state, the process proceeds to step S308; if not, the process proceeds to step S314.

In step S308, if the operation result R is greater than 0, the low clock operation engine 122 sets the latest heartbeat value HD1 as the historical heartbeat minimum value and transmits the operation result R to the power saving decision determination engine 123. If there is a historical heartbeat minimum, the latest heartbeat value HD1 replaces the existing historical heartbeat minimum and becomes the latest historical heartbeat minimum. In addition, if the latest heartbeat value HD1 is the first data, the first heartbeat value HD1 is set as the first historical heartbeat minimum, and then the next heartbeat value HD1 and the first historical heartbeat. The minimum value is calculated.

In step S310, the power saving decision determination engine 123 determines the operation result R. Whether it is greater than a preset ratio, such as -8%. If the operation result R is greater than the preset ratio, indicating that the subject has left the sleep state, the process proceeds to step S312; if the operation result R is less than the preset ratio, indicating that the subject is still in the sleep state, the process proceeds to step S314.

In step S312, if the operation result R is greater than the preset ratio, the power saving decision determination engine 123 performs: (1) turning on at least one of the acceleration sensor 131, the magnetic sensor 132, and the gyro sensor 133. The power source, (2) increases the sampling frequency of the heartbeat sensor 134, and (3) turns on at least one of the system clocks of the high clock processing unit 110. For example, the power saving decision determination engine 123 preferentially turns on the system clock of the high clock processing unit 110 to enable the high clock processing unit 110 to operate, and then turn on the secondary power consumption acceleration sensor 131 and the magnetic sensor 132. The power supply, the power of the most power-consuming gyro sensor 133 is turned on, and the sampling frequency of the heartbeat sensor 134 is increased.

In step S314, if the low clock operation engine 122 determines that the operation result R is greater than 0, the low clock operation engine 122 still transmits the operation result R to the power saving decision determination engine 123 to cause the low clock operation engine 122 to make a determination.

Please refer to FIG. 5A and FIG. 5B , FIG. 5A is a flow chart showing another power saving method of the power management module of FIG. 1 , and FIG. 5B is a diagram showing the power management module of FIG. 1 for FIG. 5A. The signal transmission path diagram of the power saving method. In this embodiment, the sensor 130 is illustrated by including an acceleration sensor 131, a magnetic sensor 132, a gyro sensor 133, and a heartbeat sensor 134.

In step S402, the first sensing information capturing engine 111 captures the acceleration axial component SD1 of the acceleration sensor 131, the geomagnetism axial component SD2 of the magnetic sensor 132, and the angular velocity axial direction of the gyro sensor 133. Component SD3.

In step S404, the high-clock operation engine 112 calculates an acceleration axial component SD1, a geomagnetism axial component SD2, and an angular velocity axial component SD3 by using an extended Kalman filter (EKF) algorithm to obtain a The latest tilt angle A1, this latest tilt angle A1 represents the angle between the current body posture of the subject and his lying posture.

In step S406, the high clock operation engine 112 transmits the latest tilt angle A1 to the low clock operation engine 122.

In step S408, the low clock operation engine 122 averages the latest tilt angle A1 and the historical tilt angle to obtain an average tilt angle A2. For example, the low clock operation engine 122 averages the latest tilt angle A1 with at least one historical tilt angle within a time interval (eg, within 30 minutes) to obtain the average tilt angle A2. If the latest tilt angle A1 is the first tilt angle of the first stroke, the value of the average tilt angle A2 is the first tilt angle A1 of the first stroke. In addition, the low clock operation engine 122 records the latest tilt angle A1 at different times as the historical tilt angle, that is, the number of strokes of the historical tilt angle is multiple, and the new historical tilt angle does not replace the old historical tilt angle.

In step S410, the power saving decision determination engine 123 determines whether the average tilt angle is less than a preset angle, such as 30 degrees; if yes, indicating that the subject is in a lying position, which may be in a sleep state, then proceeds to step S410; if not, then No disposal.

In step S412, the power saving decision determination engine 123 performs (1) turning off the power of the most power consuming gyro sensor 133, (2) turning off the power of the secondary power consuming magnetic sensor 132, and (3) setting the high time. System clock of pulse processing unit 110 0, (4) reducing the power of the gyro sensor 133 and (5) reducing at least one of the acceleration sensor 131 and the sampling frequency of the heartbeat sensor 134. For example, the power saving decision determination engine 123 preferentially turns off the power of the most power consuming gyro sensor 133, turns off the power of the secondary power consuming magnetic sensor 132, and resets the system clock of the high clock processing unit 110 to 0, further reduce the power of the gyro sensor 133, and then reduce the sampling frequency of the acceleration sensor 131 and the heartbeat sensor 134, for example, the original 30 seconds sampling is changed to 2 minutes sampling.

Please refer to FIG. 6A and FIG. 6B , FIG. 6A is a flow chart showing another power saving method of the power management module of FIG. 1 , and FIG. 6B is a diagram showing the power management module of FIG. 1 for FIG. 6A . The signal transmission path diagram of the power saving method. In this embodiment, the sensor 130 is illustrated by including an acceleration sensor 131, a magnetic sensor 132, a gyro sensor 133, and a heartbeat sensor 134.

In step S502, the second sensing information capture engine 121 captures the acceleration axial component SD1 of the acceleration sensor 131, the geomagnetism axial component SD2 of the magnetic sensor 132, and the angular velocity axial direction of the gyro sensor 133. Component SD3.

In step S504, the second sensing information capturing engine 121 transmits the acceleration axial component SD1, the geomagnetic strength axial component SD2, and the angular velocity axial component SD3 to the first sensing information capturing engine 111.

In step S506, the first sensing information capturing engine 111 transmits the acceleration axial component SD1, the geomagnetic strength axial component SD2, and the angular velocity axial component SD3 to the high clock operation engine 112. Since the operation process of the EKF algorithm is complicated, the axial component of the acceleration, the axial component of the magnetic field, and the axial direction of the ground are divided. The amount SD2 and the angular velocity axial component SD3 are transmitted to the high-clock operation engine 112, and the high-speed operation engine 112 that performs the calculation speed is operated.

In step S508, the high-clock operation engine 112 calculates the acceleration axial component SD1, the geomagnetism axial component SD2, and the angular velocity axial component SD3 by using the EKF algorithm to obtain a latest tilt angle A1, which is subjected to the latest tilt angle A1. The angle between the current body posture and the lying posture.

In step S510, the high clock operation engine 112 transmits the latest tilt angle A1 to the low clock operation engine 122.

In step S512, the low clock operation engine 122 averages the latest tilt angle A1 and the historical tilt angle to obtain an average tilt angle A2. For example, the low clock operation engine 122 averages the latest tilt angle A1 with a historical tilt angle within a time interval (eg, within 30 minutes) to obtain the average tilt angle. If the latest tilt angle A1 is the first tilt angle of the first stroke, the value of the average tilt angle A2 is the first tilt angle A1 of the first stroke. In addition, the low clock operation engine 122 records the latest tilt angle A1 at different times as the historical tilt angle, that is, the number of strokes of the historical tilt angle is multiple, and the new historical tilt angle does not replace the old historical tilt angle.

In step S514, the power saving decision determination engine 123 determines whether the average tilt angle A2 is less than a preset angle, such as 30 degrees; if yes, indicating that the subject is in a lying position, and is in a sleep state, then proceeds to step S516; if not, then No disposal.

In step S516, the power saving decision determination engine 123 performs (1) turning off the power of the most power consuming gyro sensor 133, (2) turning off the power of the secondary power consuming magnetic sensor 132, and (3) setting the high time. System clock of pulse processing unit 110 At least one of 0, (4) reducing the power of the gyro sensor 133 and (5) reducing the sampling frequency of the acceleration sensor 131 and the heartbeat sensor 134. For example, the power saving decision determination engine 123 preferentially turns off the power of the most power consuming gyro sensor 133, turns off the power of the secondary power consuming magnetic sensor 132, and resets the system clock of the high clock processing unit 110 to 0, the power of the gyro sensor 133 is lowered, and the sampling frequency of the acceleration sensor 131 and the heartbeat sensor 134 is lowered.

Please refer to FIGS. 7A and 7B , FIG. 7A is a flow chart showing another power saving method of the power management module of FIG. 1 , and FIG. 7B is a diagram showing the power management module of FIG. 1 for FIG. 7A . The signal transmission path diagram of the power saving method. In this embodiment, the sensor 130 is illustrated by including an acceleration sensor 131, a magnetic sensor 132, a gyro sensor 133, and a heartbeat sensor 134.

In step S602, the second sensing information capturing engine 121 captures the latest acceleration axial component SD1 of the acceleration sensor 131.

In step S604, the second sensing information capturing engine 121 transmits the latest acceleration axial component SD1 to the low clock computing engine 122.

In step S606, the low-clock operation engine 122 performs the following equation (3) operation on the latest acceleration axial component SD1 and a historical acceleration axial component to obtain the operation result R.

Operation result R = latest acceleration axial component A1 - historical acceleration axial component... (3)

In step S608, the low clock operation engine 122 averages the latest acceleration axial component SD1 and the historical acceleration axial component to obtain an average value. The average is taken as the historical acceleration axial component. If there is already a historical acceleration axial component, this average replaces the existing historical acceleration axial component. In addition, if the latest acceleration axial component SD1 is the first piece of data, the average value is the latest acceleration axial component SD1.

In step S610, the low clock operation engine 122 transmits the operation result R to the power saving decision determination engine 123.

In step S612, the low-clock operation engine 122 determines whether the operation result is greater than a predetermined acceleration value; if so, it indicates that the subject has gotten up from the sleep state, and proceeds to step S614; if not, no action is taken.

In step S614, if the operation result R is greater than the preset acceleration value, the power saving decision determination engine 123 performs (1) turning on the system clock of the high clock processing unit 110, (2) turning on the other sensor 130 and (3) At least one of a plurality of actions, such as a sampling frequency of the acceleration sensor 131, is increased. For example, the power saving decision determination engine 123 preferentially turns on the system clock of the high clock processing unit 110 to enable the high clock processing unit 110 to operate, and then turn on the power of the secondary power consumption magnetic sensor 132, and then turn on the most power consumption. The power of the gyro sensor 133 increases the sampling frequency of the heartbeat sensor 134.

In conclusion, the present invention has been disclosed in the above embodiments, but it is not intended to limit the present invention. A person skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100‧‧‧Power Management Module

110‧‧‧High-clock processing unit

111‧‧‧First sensing information capture engine

112‧‧‧High-clock operation engine

113‧‧‧System clock

120‧‧‧Low clock processing unit

121‧‧‧Second sensing information capture engine

122‧‧‧Low clock computing engine

123‧‧‧Power saving decision making engine

130‧‧‧Sensor

131‧‧‧Acceleration sensor

132‧‧‧Magnetic sensor

133‧‧‧Gyro sensor

134‧‧‧heartbeat sensor

140‧‧‧Wireless Module

A1‧‧‧ latest tilt angle

A2‧‧‧ average tilt angle

DI‧‧‧Decision Instructions

HD1‧‧‧The latest heartbeat value

SD‧‧‧ Sensing Information

SD1‧‧‧ acceleration axial component

SD2‧‧‧ Geomagnetic strength axial component

SD3‧‧‧ angular velocity axial component

R‧‧‧ operation results

FIG. 1 is a diagram showing the work of a power management module according to an embodiment of the invention. Can block diagram.

FIG. 2A is a flow chart showing a power saving method of the power management module of FIG. 1.

FIG. 2B is a diagram showing a signal transmission path diagram of the power management module of FIG. 1 for the power saving method of FIG. 2A.

FIG. 3A is a flow chart showing another power saving method of the power management module of FIG. 1.

FIG. 3B is a diagram showing the signal transmission path of the power management module of FIG. 1 for the power saving method of FIG. 3A.

FIG. 4A is a flow chart showing another power saving method of the power management module of FIG. 1.

FIG. 4B is a diagram showing a signal transmission path diagram of the power management module of FIG. 1 for the power saving method of FIG. 4A.

FIG. 5A is a flow chart showing another power saving method of the power management module of FIG. 1.

FIG. 5B is a diagram showing a signal transmission path diagram of the power management module of FIG. 1 for the power saving method of FIG. 5A.

FIG. 6A is a flow chart showing another power saving method of the power management module of FIG. 1.

FIG. 6B is a diagram showing a signal transmission path diagram of the power management module of FIG. 1 for the power saving method of FIG. 6A.

FIG. 7A is a flow chart showing another power saving method of the power management module of FIG. 1.

FIG. 7B is a diagram showing a signal transmission path diagram of the power management module of FIG. 1 for the power saving method of FIG. 7A.

100‧‧‧Power Management Module

110‧‧‧High-clock processing unit

111‧‧‧First sensing information capture engine

112‧‧‧High-clock operation engine

113‧‧‧System clock

120‧‧‧Low clock processing unit

121‧‧‧Second sensing information capture engine

122‧‧‧Low clock computing engine

123‧‧‧Power saving decision making engine

130‧‧‧Sensor

140‧‧‧Wireless Module

DI‧‧‧Decision Instructions

SD‧‧‧ Sensing Information

Claims (21)

A sensor module includes: at least one sensor transmitting a sensing information; a wireless module transmitting a decision command; and a high clock processing unit comprising: a first sensing information capture An engine; and a high-clock operation engine; and a low-clock processing unit, including: a second sensing information capture engine; a low-clock operation engine; and a power-saving decision determination engine; wherein, the first The sensing information capture engine and one of the second sensing information capture engines capture the sensing information of the sensor or the second sensing information capturing engine captures the decision instruction of the wireless module The high-clock operation engine and one of the low-clock operation engines calculate the sensing information or the decision instruction to obtain an operation result; the power-saving decision determination engine adjusts the high-clock processing unit according to the operation result; At least one of a system clock and a power mode of the sensor. The sensor module of claim 1, wherein the low-clock operation engine operates the decision instruction to obtain the operation result, and the power-saving decision determination engine turns off the sensor according to the operation result. The power supply or the system clock setting the high clock processing unit is zero. The sensor module of claim 1, wherein the sensor comprises a heartbeat sensor and another sensor, and the second sensing information capture engine captures the heartbeat sensor a latest heartbeat value, the low clock operation engine performs the following operation on the latest heartbeat value and the maximum heartbeat value, and obtains the operation result; The low-clock operation engine determines whether the operation result is less than 0; if the operation result is less than 0, the low-clock operation engine sets the latest heartbeat value as the heartbeat maximum value and transmits the operation result to the power-saving decision a determination engine; the power saving decision determination engine determines whether the operation result is greater than a preset ratio; if the operation result is greater than the preset ratio, the power saving decision determination engine performs power off of the other sensor, lowering the The sampling frequency of the heartbeat sensor is at least one of 0 set to the system clock of the high clock processing unit. The sensor module of claim 3, wherein the other sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope sensor, and the power saving decision determination engine is The power supply of the gyro sensor, the acceleration sensor and the power of the magnetic sensor are sequentially turned off, the sampling frequency of the heartbeat sensor is lowered, and the system clock of the high clock processing unit is set to zero. The sensor module of claim 1, wherein the sensor comprises a heartbeat sensor and another sensor, and the second sensing information capture engine captures the heartbeat sensor a latest heartbeat value, the low clock operation engine performs the following operation on the latest heartbeat value and a heartbeat minimum to obtain the operation result; The low clock operation engine determines whether the operation result is greater than 0; if the operation result is greater than 0, the low clock operation engine sets the latest heartbeat value as the heartbeat minimum value and transmits the operation result to the power saving decision a determination engine; the power saving decision determination engine determines whether the operation result is greater than a predetermined ratio; if the operation result is greater than the preset ratio, the power saving decision determination engine performs power supply to the other sensor, increasing The sampling frequency of the heartbeat sensor is at least one of the system clocks that turn on the high clock processing unit. The sensor module of claim 5, wherein the other sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope sensor, and the power saving decision determination engine is The system clock of the high clock processing unit is turned on, the power of the acceleration sensor and the magnetic sensor is turned on, the power of the gyro sensor is turned on, and the sampling frequency of the heartbeat sensor is increased. The sensor module of claim 1, wherein the sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope a first sensing information capture engine that captures an acceleration axial component of the acceleration sensor, an axial strength component of the magnetic strength of the magnetic sensor, and an angular velocity axial direction of the gyro sensor a component, the high-clock operation engine operates the acceleration axial component, the geomagnetic strength axial component, and the angular velocity axial component to obtain a latest tilt angle; the high-clock operation engine transmits the latest tilt angle to the low a clock operation engine; the low-clock operation engine obtains an average tilt angle on the latest tilt angle and a historical tilt angle, and records the latest tilt angle as the historical tilt angle; the power-saving decision determination engine determines the average tilt Whether the angle is less than a predetermined angle; if the average tilt angle is less than the preset angle, the power saving decision determination engine performs power supply for turning off the gyro sensor and the magnetic sensor, and setting the high clock processing unit The system clock is 0 and reduces the sampling frequency of the acceleration sensor by at least one. The sensor module of claim 1, wherein the sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope sensor, and the second sensing information capture engine Extracting an acceleration axial component of the acceleration sensor, an axial component of the magnetic strength of the magnetic sensor, and an angular component axial component of the gyro sensor, the second sensing information capture engine The acceleration axial component, the geomagnetic strength axial component, and the angular velocity axial component are transmitted to the first sensing information capturing engine; the first sensing information capturing engine is the acceleration axial component, the geomagnetic intensity axis Transmitting the component and the angular velocity axial component to the high clock operation engine; the high time The pulse operation engine calculates the geomagnetic strength axial component, the angular velocity axial component, and the angular velocity axial component to obtain a latest tilt angle; the high clock operation engine transmits the latest tilt angle to the low clock operation engine; The low clock operation engine obtains an average tilt angle on the latest tilt angle and a historical tilt angle, and records the latest tilt angle as the historical tilt angle; the power saving decision determination engine determines whether the average tilt angle is less than a pre-preview Setting an angle; if the average tilt angle is less than the preset angle, the power saving decision determination engine performs power supply for turning off the gyro sensor and the magnetic sensor, and setting the system clock of the high clock processing unit It is 0 and reduces the sampling frequency of the acceleration sensor by at least one. The sensor module of claim 1, wherein the sensor comprises an acceleration sensor and another sensor, and the second sensing information capture engine captures the acceleration sensor a latest acceleration axial component; the second sensing information capture engine transmits the latest acceleration axial component to the low clock operation engine; the low clock operation engine compares the latest acceleration axial component with a historical acceleration The operation result is obtained by performing the following operation on the axial component; the operation result=the latest acceleration axial component-a historical acceleration axial component, the low-clock operation engine takes the latest acceleration axial component and the historical acceleration axial component Averaged to obtain an average value, and the average value is set as the historical acceleration axial component; the low clock operation engine transmits the operation result to the power saving decision determination engine; the power saving decision determination engine judges Determining whether the operation result is greater than a preset acceleration value; if the operation result is greater than the preset acceleration value, the power saving decision determination engine executes the system clock that turns on the high clock processing unit, and turns on the other sensing The power source of the device is at least one of increasing the sampling frequency of the acceleration sensor. The sensor module of claim 9, wherein the other sensor comprises a heartbeat sensor, a magnetic sensor, and a gyroscope sensor; if the operation result is greater than the pre-measure When the acceleration value is set, the power saving decision determination engine sequentially turns on the system clock of the high clock processing unit, turns on the power of the magnetic sensor, turns on the power of the gyro sensor, and increases the heartbeat sensing. And the sampling frequency of the acceleration sensor. A power management module includes: a high clock processing unit, including: a first sensing information capturing engine; and a high clock computing engine; and a low clock processing unit, including: a second sensing An information capture engine; and a low-clock operation engine; and a power-saving decision determination engine; wherein the first sensing information capture engine and one of the second sensing information capture engines capture a sensing a sensing information of the device or the second sensing information retrieval engine captures a decision instruction of a wireless module; the high clock operation engine and the low clock operation engine calculate the sensing information or the Obtaining an operation result by the decision instruction; the power saving decision determination engine is based on the operation As a result, at least one of adjusting a system clock of the high clock processing unit and adjusting a power mode of the sensor is performed. A power saving method for a sensor module, wherein a sensor module includes at least one sensor, a wireless module, a high clock processing unit, and a low clock processing unit, wherein the high clock processing unit The first sensing information capturing engine and a high clock processing engine are included, and the low clock processing unit includes a second sensing information capturing engine, a low clock computing engine, and a power saving decision determining engine. The power saving method includes: the first sensing information capturing engine and one of the second sensing information capturing engines capturing a sensing information of the sensor, or the second sensing information capturing engine Obtaining a decision instruction of the wireless module; the high-clock operation engine and one of the low-clock operation engines calculate the sensing information to obtain an operation result; and the power-saving decision determination engine is based on the operation As a result, at least one of a system clock of the high clock processing unit and a power mode for adjusting the sensor is adjusted. The power saving method of claim 12, comprising: the low-clock operation engine computing the decision instruction to obtain the operation result; and the power-saving decision determination engine turns off the sensor according to the operation result The power supply or the system clock setting the high clock processing unit is zero. The power saving method of claim 12, wherein the sensor comprises a heartbeat sensor and another sensor, the power saving method comprises: the second sensing information capturing engine capturing the a latest heartbeat value of the heartbeat sensor; the low clock operation engine performs the following operation on the latest heartbeat value and a heartbeat maximum value, and obtains the operation result; The low-clock operation engine determines whether the operation result is less than 0; if the operation result is less than 0, the low-clock operation engine sets the latest heartbeat value as the heartbeat maximum value and transmits the operation result to the power-saving decision a determination engine; the power saving decision determination engine determines whether the operation result is greater than a preset ratio; if the operation result is greater than the preset ratio, the power saving decision determination engine performs power off of the other sensor, lowering the The sampling frequency of the heartbeat sensor is at least one of 0 set to the system clock of the high clock processing unit. The power saving method of claim 14, wherein the other sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope sensor; the power saving method comprises: the power saving The decision determination engine sequentially turns off the power of the gyro sensor, turns off the acceleration sensor and the power of the magnetic sensor, reduces the sampling frequency of the heartbeat sensor, and sets the system of the high clock processing unit The clock is 0. The power saving method of claim 12, wherein the sensor comprises a heartbeat sensor and another sensor, the power saving method comprises: the second sensing information capturing engine capturing the a latest heartbeat value of the heartbeat sensor; the low clock operation engine performs the following operation on the latest heartbeat value and a heartbeat minimum value to obtain the operation result; The low clock operation engine determines whether the operation result is greater than 0; if the operation result is greater than 0, the low clock operation engine sets the latest heartbeat value as the heartbeat minimum value and transmits the operation result to the power saving decision a determination engine; the power saving decision determination engine determines whether the operation result is greater than a predetermined ratio; if the operation result is greater than the preset ratio, the power saving decision determination engine performs power supply to the other sensor, increasing The sampling frequency of the heartbeat sensor is at least one of the system clocks that turn on the high clock processing unit. The power saving method of claim 16, wherein the other sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope sensor; the power saving method comprises: The power saving decision determination engine sequentially turns on the system clock of the high clock processing unit, turns on the power of the acceleration sensor and the magnetic sensor, turns on the power of the gyro sensor, and increases the heartbeat The sampling frequency of the detector. The power saving method of claim 12, wherein the sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope sensor; the power saving method comprises: the first sensing The information capture engine captures an acceleration axial component of the acceleration sensor, an axial component of the magnetic strength of the magnetic sensor, and an angular velocity axial component of the gyro sensor; the high-clock operation engine Calculating the acceleration axial component, the geomagnetic axial component, and the angular velocity axial component to obtain a latest tilt angle; the high clock operation engine transmits the latest tilt angle to the low clock operation engine; The pulse operation engine obtains an average tilt angle on the latest tilt angle and a historical tilt angle, and records the latest tilt angle as the historical tilt angle; the power saving decision determination engine determines whether the average tilt angle is smaller than a preset angle; If the average tilt angle is less than the preset angle, the power saving decision determination engine performs power supply for turning off the gyro sensor and the magnetic sensor, and setting the When the processing unit of the system clock pulse is 0 and the acceleration sensor to reduce the sampling frequency of at least one. The power saving method of claim 12, wherein the sensor comprises an acceleration sensor, a magnetic sensor and a gyroscope sensor; the power saving method comprises: the second sensing The information capture engine captures an acceleration axial component of the acceleration sensor, an axial component of the magnetic strength of the magnetic sensor, and an angular component axial component of the gyro sensor; the second sensing information The capture engine transmits the acceleration axial component, the geomagnetic intensity axial component, and the angular velocity axial component to the first sensing information capture engine; the first sensing information capture engine accelerates the axial component of the acceleration, The geomagnetic strength axial component and the angular velocity axial component are transmitted to the high-clock operation engine; the high-clock operation engine calculates the acceleration axial component, the geomagnetic strength axial component, and the angular velocity axial component a latest tilt angle; the high clock operation engine transmits the latest tilt angle to the low clock operation engine; the low clock operation engine averages the latest tilt angle and a historical tilt angle to obtain a And tilting the angle and recording the latest tilt angle as the historical tilt angle; the power saving decision determination engine determines whether the average tilt angle is less than a preset angle; if the average tilt angle is less than the preset angle, determining the power saving decision The engine performs to turn off the power of the gyro sensor and the magnetic sensor, set the system clock of the high clock processing unit to 0, and reduce the acceleration. The sampling frequency of the sensor is at least one. The power saving method of claim 12, wherein the sensor comprises an acceleration sensor and another sensor; the power saving method comprises: the second sensing information capturing engine capturing the a latest acceleration axial component of the acceleration sensor; the second sensing information capture engine transmits the latest acceleration axial component to the low-clock operation engine; the low-clock operation engine has the latest acceleration axial component Obtaining the operation result with a historical acceleration axial component, and obtaining the operation result; the operation result=the latest acceleration axial component-a historical acceleration axial component, the low-clock operation engine, the latest acceleration axial component, and the The historical acceleration axial component is averaged to obtain an average value, and the average value is set as the historical acceleration axial component; the low clock operation engine transmits the operation result to the power saving decision determination engine; the power saving decision Determining, by the determination engine, whether the operation result is greater than a preset acceleration value; if the operation result is greater than the preset acceleration value, the power saving decision determination engine performs the high The system clock of the clock processing unit, at least one of turning on the other sensor and increasing the sampling frequency of the acceleration sensor. The power saving method of claim 20, wherein the another sensor comprises a heartbeat sensor, a magnetic sensor, and a gyroscope sensor; the power saving method comprises: if the operation If the result is greater than the preset acceleration value, the power saving decision determination engine sequentially turns on the system clock of the high clock processing unit, turns on the power of the magnetic sensor, turns on the power of the gyro sensor, and increases The heartbeat sensor and the sampling frequency of the acceleration sensor.