TWI380628B - Power managing method and power managing circuit and energy transferring system using thereof - Google Patents

Description

•1380628

rTW4982PA VI. Description of the Invention: [Technical Field] The present invention relates to a power management circuit, and more particularly to a power management circuit for controlling an energy transmission device in an energy transmission system. [Prior Art] In the prior art, a Φ energy transmission system including an energy transmission device and an energy receiving device has been existing, wherein the energy transmission device is for wirelessly transmitting energy to the energy receiving device. Generally, the energy transmission device and the energy receiving device are respectively provided with a first impedance matching circuit and a second impedance matching device. The first impedance matching circuit receives the energy provided by the energy transfer device to have the first energy, and then the first energy on the first impedance matcher is coupled to the second impedance matching circuit, so that the second impedance matcher has the second energy . The energy receiving device receives the second energy on the second impedance matcher. The energy of such an energy transfer device can be transmitted wirelessly to the energy receiving device. φ However, in practical applications, an energy transfer system often includes a plurality of energy transfer devices for providing energy to a plurality of energy receiving devices. Thus, how to design a corresponding power management circuit to coordinate the energy transfer operations of multiple energy transfer devices is one of the industry's constant efforts. SUMMARY OF THE INVENTION The present invention is directed to a power management method for use in an energy transfer system including a plurality of energy transfer devices and a plurality of energy receiving devices. The power management method associated with the present invention enables these in a plurality of periods. 3 1380628

The TW4982PA energy transmission device determines the load conditions of the energy transmission devices based on the feedback information of the multiple energy receiving devices. The power management method associated with the present invention further provides a corresponding driving energy signal to drive the energy transmitting devices according to the load conditions of the energy transmitting devices. Thus, the energy transmission system to which the power management method related to the present invention is applied has the advantages of high energy transmission efficiency and low power consumption compared to the conventional energy transmission system. According to the present invention, a power management method is proposed for use in a wireless energy transmission system, the energy transmission system comprising N energy transmission devices and one energy receiving device, wherein Ν and Μ are natural numbers greater than one. The power management method includes the following steps. Firstly, one energy transmission device is respectively enabled during the operation period of the segment. During each operation period, each of the energy transmission devices provides the energy of the pen to the energy receiving devices, and the energy receiving devices correspond to each other. The return of the Μ pen return information. Then, in response to each of the pens returning information, the energy supply information of each of the energy receiving devices is determined. Then, in response to the stylus return information corresponding to each of the energy receiving devices, the preferred energy transmitting device information is determined to correspond to each of the energy receiving devices, and the preferred energy transmitting information selects at least one of the energy transmitting devices. A preferred energy transfer device. Then, based on the energy supply information corresponding to the energy receiving devices and the information of the preferred energy transmission device, the energy transmitting devices are driven to provide energy to the energy receiving devices. According to the present invention, a power management circuit is proposed for use in a wireless energy transmission system. The energy transmission system includes one energy transmission device and one energy receiving device, and Ν and Μ are natural numbers greater than one. The power management circuit includes a processor and a power control circuit. Power control circuit controlled by processing 1380628

'TW4982PA, which enables N energy transmission devices during N-phase operation respectively, and enables 'N energy transmission devices to provide M pen energy to one energy receiving device during each N-segment operation, and M energy receiving devices The device returns the M pen return information correspondingly. The processor determines the energy supply information of each of the M energy receiving devices in response to each of the pen return information. The processor further responds to the N-return information corresponding to each of the energy receiving devices, determines the better energy transmitting device information to correspond to each of the M energy receiving devices, and the preferred energy transmission information indicates the N energy transmitting devices. Corresponding to at least one preferred energy transmission device. The t processor drives the n amount of transmission devices to supply energy to the M energy receiving devices according to the = pen=quantity supply information and the M pen optimum energy transmission device information corresponding to the M energy receiving devices. According to the present invention, an energy transmission system is provided, including N energy transmissions

The transmission device H source management circuit and the _ energy receiving device, wherein N and Μ are natural numbers greater than one. The power management circuit includes a first processor and a control circuit. The power control circuit is controlled by the first processor

j: respectively, enabling an energy transmission device to transmit the energy of the pen. :: :: :: The singer receives the sputum energy during each operation period, and = the pen returns the information. The first processor responds to the energy supply information of each of the energy receiving devices of each of the 4^1. It corresponds to "the energy receiving skirt 4 receives 2!, the round reading is connected to each _ energy to 0.," the 罝 transmission information indicates at least one better energy corresponding to the N energy transmitting slings The quantity transmission device, wherein the energy supply information of the first energy receiving device in the first place and the μ pen comparison: the information of the pain transmission device drives the energy transmission device to provide energy to = 5 1380628

TW4982PA energy receiving device. In order to make the above description of the present invention more comprehensible, a preferred embodiment will be described below in conjunction with the accompanying drawings, and the following detailed description is given as follows: [Embodiment] The power management method of the present embodiment is applied to energy transmission. The system controls the energy provided by the energy transfer device in response to the return information that the energy receiving device responds to in response to the energy provided by the energy transfer device. The energy transmission system of this embodiment includes N energy transmission devices, 能量 energy receiving devices, and power management circuits, and Ν and Μ are natural numbers greater than 1. The power management circuit includes a processor and a power control circuit. The power control circuit is controlled by the processor to enable the energy transfer device to transmit the pen energy during the operation of the segment. The energy receiving devices respectively receive the pen energy during each operation period, and correspondingly return the pen return information. The processor determines the energy supply information of each of the energy receiving devices in response to each of the pen return information. The processor further determines the better energy transmission device information to correspond to each of the energy receiving devices in response to the pen return information corresponding to each of the energy receiving devices. Preferably, the energy transfer information indicates at least one preferred energy transfer device in the plurality of energy transfer devices. The first processor further drives the energy transfer devices to the energy receiving devices according to the pen energy supply information corresponding to the energy receiving devices and the better energy transfer device information. Referring to Figure 1, a block diagram of an energy transfer system in accordance with an embodiment of the present invention is shown. Energy transmission system 1 includes one energy transmission device 1380628

The energy of the TW4982PA 12-j·resonator 12c is coupled to the resonator (4) such that the resonance 々 14a has energy E. The small energy Eri is, for example, an AC voltage signal. The impedance matcher 14b receives and outputs the energy band: to charge the energy. Thus, during operation TPj, the energy receiving device Μ ^ effectively operates in accordance with the energy of the battery 14d. The ~1 energy receiving shock 14-1 includes, for example, a processor... and a transmission right nu uf. The processor 14e is configured to measure the amount of energy received by the energy receiving skirts. The communication transmission module (4) outputs the return information Inj_i through the communication channel. In an example, The information Inj_i further indicates the identity information of the energy receiving device 14" and the specific demand information, which is related to, for example, the minimum energy required for normal operation of the energy. Again, similar to all energy receiving devices 14_1-.14_ in the energy receiving device l4-i' energy transfer system i, a similar knowledge is executed during operation TPj to receive the corresponding energy Erl-ErM and provide corresponding The return of the news InjJ-Inj-M. The shell energy transmission device 12_j further includes a communication receiving module 12d, a processor 12e and a transmission module I2f. The communication receiving module i2d receives and outputs each bin: The quantity receiving device 14 receives a return message lnj_ from the 1-14-M response, and drives the transmission module I" to provide the return information Inj-1 -InjJl to the power management circuit μ. The processor 16a determines the energy supply information of each of the energy receiving devices 14J-14J according to each of the backhaul information InU_Inj_M. For example, 1380628

TW4982PA 16=Response to each of the pen's return information InU-Inj—the identity information and the 1 demand information to generate each pen's energy supply information. Similar to the foregoing operation performed during the operation period TPj, the power management switch 1'ΤΡΝ operation and ί=:;Γ-1_12_Ν perform the corresponding energy transfer, and the power =:7. :=Operation period TM 詈 & amp 壮 壮 壮 对应 对应 对应 对应 对应 对应 对应 对应 对应 对应 对应 In In In In In In In In In In In In In In In In In In In In In In In In In In In In In In In In In In In In Wheel: -M', wherein the device 14 1 wu has a transmission device 12-Kl2-N and the energy receiving signal includes a pair as shown in FIG. Each group will return the information. For the dtr receiving device 14-Bu 14 Sichuan pen returning the agent, he can (4) Stroke communication (10) 14" '14 - Μ 'H l6a is more responsive to the corresponding energy to each M and the information At least one of the transfer wheel devices 12TM corresponds to, in one example, the N-return information of the processor is placed, "6=: to the same energy reception corresponding to the Shanghai County... #一知不冋最冋• The return information of the power should be == for the good energy transmission device, for example, the information back to Ini 1 protection; on the pen back information Inl"-InN_1 W WnN丄 (four) 曰不月b The set power is greater than the other return information ~ the energy energy that is not indicated. Change 9 1380628

The energy intensity received by the TW4982PA 14-1 from the energy transfer device 12_1 is greater than the energy intensity it receives from the other energy transfer devices 12_2_12_N. In this example, processor 16a selects energy transfer device 12_丨 as the preferred energy transfer device and correspondingly provides better energy transfer device information. The processor 12a further drives the energy transmission devices 12 to 1-12-Ν according to the energy supply device 14-1-14_Μ2 Μ pen energy supply information and the 较佳 pen preferred energy transmission device information to provide energy ^ Energy receiving devices 14J-14-M. Thus, the processor 12a can selectively select a preferred energy transfer device for the energy transfer device 12 to provide a corresponding energy to the energy receiving device 11-14. Referring to Figure 5, there is shown a flow chart of a power management method in accordance with an embodiment of the present invention. The power management method of this embodiment includes the following step 2. First, as in step (a), the processor 16a can enable the energy transfer devices 12"_12_" during the operation of the segment. In each of the ν, each of the energy transfer devices 12" 12" provides Μ === ^ Receive device 14丄14』' and correspondingly return μ Beixun. In step (8), the processor 16a determines the energy supply information of each of the energy receiving I in response to the information returned by each of the elbows. Then, as in step (e) 'Process g l6a shouting to correspond to each can be installed 詈 装 ί! 4: 114 - secret _ return information to determine the preferred energy transmission ^ Bay: one:: - I energy receiving device correspond. Better energy transmission. The representative refers to the energy transfer wheel to choose 19! The best 2~ Ν towel corresponds to at least one of the 匕 传, device. Then, as in step (4), the processor according to the corresponding one (10) receiving device 14"_14"

' 1TW4982PA pen better energy transmission device information drives N energy transmission devices 12J-12JJ to provide energy to one energy receiving device 14_1-14_M. Referring to FIG. 6A, a partial flow chart of a power management method according to an embodiment of the present invention is shown. In one example, step (a) includes steps (al)-(a3). In step (al), processor 16a selects the N energy transfer devices 12_; l-12Ji to select the energy transfer device. Next, as in step (a2), the processor 16a drives the selective energy transfer device to provide the pen energy to the respective energy receiving devices. Then, as in step (a3), the processor 16a determines whether the φ energy transmission device is selected as the final energy transmission device among the N energy transmission devices 12_1-12_N. For example, the final energy transfer device is, for example, an energy transfer device 12_N. If the energy transfer device is not selected as the final energy transfer device, the step (al) is repeated to select another energy transfer device. Please refer to FIG. 6B, which is a flow chart showing another part of the power management method according to an embodiment of the present invention. In step (b), for example, step (bl) is further included, and the processor 16a responds to the identity information and the energy demand information in the hacker return information to generate the 能量 pen energy supply information corresponding to each of the energy receiving devices. Referring to FIG. 6C, a flow chart of still another part of the power management method according to an embodiment of the present invention is shown. Wherein in step (c), steps (cl) and (c2) are further included. In step (cl), the processor 16a selects the selected backhaul information corresponding to each of the energy receiving devices 14_1-14_Μ 2 回 pen back information, indicating the highest energy power. Then, in step (c2), the processor 16a selects the energy transmission device corresponding to the return information as the preferred energy transmission device, and correspondingly generates the better energy transmission device information. 1380628

TW4982PA The power management method of the embodiment of the present invention enables the energy transmission devices respectively in a plurality of periods, and determines the load conditions of the energy transmission devices according to the feedback information of the plurality of energy receiving devices. The power management method associated with the present invention further provides a corresponding driving energy signal to drive the energy transmitting devices according to the load conditions of the energy transmitting devices. Thus, compared with the conventional energy transmission system, the energy transmission system to which the power management method related to the present invention is applied has the advantages of high energy transmission efficiency and low power consumption. In view of the above, the present invention has been disclosed in a preferred embodiment, and is not intended to limit the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made 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. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram showing an energy transfer system in accordance with an embodiment of the present invention. Fig. 2 is a detailed block diagram showing the energy transfer device 12_j of Fig. 1. Fig. 3 is a detailed block diagram showing the energy receiving device 14_i of Fig. 1. Figure 4 is a table showing the relationship between the N sets of return information and each energy transfer device and each energy receiving device. FIG. 5 is a flow chart of a power management method according to an embodiment of the present invention. 12 1380628

' # TW4982PA 图. Figure 6A is a partial flow chart showing a power management method in accordance with an embodiment of the present invention. Figure 6B is a flow chart showing another part of the power management method in accordance with an embodiment of the present invention. Figure 6C is a flow chart showing a further portion of the power management method in accordance with an embodiment of the present invention. φ [Description of main component symbols] 1 : Energy transmission system 12J-12J, 12_j: Energy transmission device 14J-14_M, 14_i: Energy receiving device 16: Power management circuit 16a, 12e, 14e: Processor 16b: Power supply control circuit 12a: Power supply circuit • 12b, 14b: impedance matching circuit 12c, 14a: resonator 12d: communication receiving module 12f: transmission module 14c: rectifier circuit 14d: battery 14f: communication transmission module 13

Claims (1)

1380628 TW4982PA VII. Patent application scope: 1. A power management method is applied to a wireless energy transmission system, which includes N energy transmission devices and one energy receiving device, and the Ν and Μ are natural numbers greater than 1. The power management method includes: (a) enabling the one energy transmission device during each of the operation periods, wherein each of the N energy transmission devices provides the energy to the Μ during each of the N segments of operation The energy receiving devices, and the one energy receiving device correspondingly returns the pen return information; (b) determining the energy supply information of each of the one energy receiving devices in response to each of the pen return information (c) responding to the stylus return information corresponding to each of the energy receiving devices, determining a preferred energy transmitting device information to correspond to each of the one of the energy receiving devices, the preferred energy transmitting information selecting the Ν Corresponding at least one preferred energy transmission device in the energy transmission device; and (d) according to the energy supply information corresponding to the energy receiving devices and the preferred energy transmission device Information, one driving the energy transmission device Ν providing energy to the energy receiving device Μ a. 2. The power management method according to claim 1, wherein the step (a) comprises: (al) selecting one of the N energy transmission devices to select an energy transmission device; (a2) driving the selective energy transmission device to provide The pen energy is respectively to the one of the energy receiving devices; and (a3) determining whether the selected energy transmitting device is one of the one of the energy transmitting devices. 1380628 • TW4982PA 3. The power management method according to claim 2, wherein step (a3) further comprises: 'If the selected energy transfer device is not the final energy transfer device, repeating the step (al) 'To choose another energy transmission device. 4. The power management method according to claim 1, wherein: ??? in each of the N segments of operation, each of the M energy receiving devices provides each of the pen return information indicating each of the M One of the energy receiving devices, the identity information and the energy demand information; and, the step (b) further comprises: (bl) responding to the (4) pen returning information in the body, the amount of demand information is generated, 5 energy receiving device corresponding . In the case of the pen and the _ 5 · If the scope of the patent application is the first top jincheng > In the middle: the power management method of the escaping of the first item, each of the energy receiving devices in the return information system The energy power device received by each of the energy transmission devices provided by each of the energy sources is corresponding to the step (c): ???, and (cl) corresponding to each of the μ energy In the pen return message, the indication - the highest energy power setting 'selects the message'; and the minus one selection return money (c2) to the at least one quantity transmission device as the at least one better energy corresponding to at least - can generate Better energy transmission information. The beer valve is set and corresponding to the real estate 1380628 TW4982PA 6. A power management circuit is applied to a wireless energy transmission system, the energy transmission system includes N energy transmission devices and one energy receiving device, and the Ν and Μ are greater than 1 a power management circuit comprising: a processor; and a power control circuit controlled by the processor to enable the one of the energy transfer devices during the operation of the segment, respectively Each of the one energy transmission devices provides the pen energy to the one of the energy receiving devices, and the one of the energy receiving devices correspondingly returns the pen return information; wherein the processor responds to each of the devices The pen return information determines one of the energy receiving devices of the energy receiving devices; wherein the processor further determines a preferred energy transmitting device in response to the pen return information corresponding to each of the energy receiving devices Information corresponding to each of the energy receiving devices, the preferred energy transmission information indicating at least one preferred energy transmitting device of the one of the energy transmitting devices; , The processor further accordance with the energy of the pen Μ Μ one energy receiving device corresponding to the information supplied to the pen and preferred energy transmission device Μ information, providing energy to the energy receiving means for driving a Μ Ν the one energy transmission device. 7. The power management circuit of claim 6, wherein: in each of the operation periods, each of the plurality of energy receiving devices provides each of the pen return information indicating each of the energy Receiving one of the identity information and an energy demand information of the device; and the processor generates the 能量 pen energy supply information in response to the identity information and the energy demand information in the sputum return information, respectively, and the Μ一能1380628 The 1W4982PA volume receiving device corresponds. 8. If the power management circuit described in item 6 of the patent scope is applied, 苴中··, = the n-receivers provided by the 忐 quantity receiving device during the operation of the & & ” The energy power received by the one energy receiving device from the corresponding ones of the energy transfer devices; and the processor corresponding to each of the energy receiving devices, selecting to indicate the pen returning > At least one of the highest energy powers is selected to correspond to each of the energy receiving devices, and the processor further uses the at least one energy transmitting device corresponding to the at least selected backhaul information as the at least one preferred transmitting device. And correspondingly generating the preferred energy transmission device information. 9. An energy transfer system comprising: one energy transfer device, wherein Ν is a natural number greater than one; a power management circuit comprising: a first processor; = In the middle of the period, the pen = segment of the energy receiving device, the pen energy in each of the ^^ segments, and correspondingly returning the pen returning a to receive the natural number respectively; κ, wherein the first processor responds to the energy supply information of one of the energy receiving devices of each of the M; and the first processor further responds to the corresponding energy to the respective ones Connect 17 1380628 TW4982PA to receive the N-return information of the bag, and better information about the energy transmission device to correspond to each of the energy-receiving devices. 'The better energy-passing information indicates the one-month b-quantity transmission device. Corresponding at least a preferred amount of transmission device; wherein the first processor further drives the energy according to the energy supply information corresponding to the M energy receiving devices and the M energy better device information The transmission device provides energy to the energy receiving device. 10. The energy transfer system of claim 9, wherein during each of the operation periods, each of the plurality of energy receiving devices provides a plurality of information transmission points (four) indicating each of the plurality of And one of the energy receiving device information and an energy demand information; and the first processor is configured to generate the 能量 pen energy supply information in response to the identity information and the monthly demand information in the sputum return information, respectively Each energy receiving device corresponds. 11. The energy transmission system of claim 9, wherein each of the nine quantity receiving devices f is provided during the operation of the ν segment, and the 回 回 贝 贝 分别 分别 分别 能量 能量The amount of energy received by the device from the corresponding one of the mass transmission devices; and - the first processor corresponding to each of the energy receiving devices, selecting the indication in the signature return information - at least the highest energy power - Selecting, corresponding to each of the one energy receiving devices, the third processor is to be reduced - selecting to return at least the qisaki should be - the energy transmission is set to be transmitted = 2 good energy transfer device 'and correspondingly generated The better sale