CN109388127A - The fault self-checking system and method for motorized operating bed - Google Patents
The fault self-checking system and method for motorized operating bed Download PDFInfo
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- CN109388127A CN109388127A CN201811244342.2A CN201811244342A CN109388127A CN 109388127 A CN109388127 A CN 109388127A CN 201811244342 A CN201811244342 A CN 201811244342A CN 109388127 A CN109388127 A CN 109388127A
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- microprocessor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
The present invention provides a kind of fault self-checking system and method for motorized operating bed, system includes: that user's operation mould group includes first microprocessor, input terminal and display end, input terminal and display end are connect with first microprocessor respectively, user is inputted by input terminal and is ordered, and first microprocessor receives the command signal of user's input and outputs it；Detect the electric power signal of mould group detection motorized operating bed all parts；Master control molding group includes the second microprocessor, second microprocessor is connect with detection mould group and first microprocessor respectively, second microprocessor receives the command signal of first microprocessor output, and detection mould group work is driven according to the command signal, second microprocessor receives the electric power signal of detection mould group, the electric power signal can be compared with the standard being stored in advance in the second microprocessor electric power signal, and comparison result is transmitted to first microprocessor, display end of the first microprocessor by the comparison result in user's operation mould group is shown.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of fault self-checking system and methods of motorized operating bed.
Background technique
Operation is wound and the essential treatment means of orthopedic diseases, and many surgical diseases will be reached by operation
The purpose for the treatment of.Therefore, motorized operating bed is as operative treatment one of basic medical instrument, in orthopaedics, orthopaedic srugery and outer
Section is with being seized of highly important status in medical device product.If in use, motorized operating bed breaks down, then can
Influence the progress of the important process such as operation.The common failure of motorized operating bed is that operator can not be by pressing key control electric operation
Bed movement, i.e., motorized operating bed can not act, and power supply, motor, solenoid valve failure all can lead to the failure, it usually needs profession dimension
It repairs personnel motorized operating bed is dismantled into rear each part and check one by one, just can determine that abort situation, this needs pays expensive dimension
Accomplish this and manpower.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of fault self-checking system and method for motorized operating bed,
Can important core component to motorized operating bed carry out System self-test, be quickly found out system failure position, timely handling failure,
Ensure that performs the operation goes on smoothly.
To solve the above-mentioned problems, the present invention provides a kind of fault self-checking systems of motorized operating bed, comprising: a user
Operate mould group, including a first microprocessor, an input terminal and a display end, the input terminal and the display end respectively with institute
First microprocessor connection is stated, user receives user's input by input terminal input order, the first microprocessor
Command signal is simultaneously output it；One detection mould group, detects the electric power signal of the motorized operating bed all parts；One master control molding
Group, including one second microprocessor, second microprocessor connect with the detection mould group and the first microprocessor respectively
It connects, second microprocessor receives the command signal of the first microprocessor output, and drives institute according to the command signal
State detection mould group work, second microprocessor receive it is described detection mould group electric power signal, can by the electric power signal with
The standard electric power signal being stored in advance in the second microprocessor is compared, and comparison result is transmitted to the first micro process
Device, display end of the first microprocessor by the comparison result in user's operation mould group are shown.
In one embodiment, the detection mould group includes multiple reduction voltage circuits, at least an analog-digital commutator and multiple electricity
Flow sensor, the electric power signal are transmitted to the analog-digital commutator after the reduction voltage circuit or the current sensor.
In one embodiment, the electric power signal includes the voltage letter of the voltage signal of the power supply of motorized operating bed, motor
Number, the storage of the tach signal of the current signal of the electric current of the voltage signal of solenoid valve, motor, solenoid valve, motor, storage card letter
Number or one or more of the data-signal of attitude transducer.
In one embodiment, it is communicated between second microprocessor and the first microprocessor by CAN bus.
In one embodiment, the processor of second microprocessor and the motorized operating bed is same processor.
The present invention also provides a kind of methods for carrying out self-test using above-mentioned fault self-checking system, include the following steps: to use
Family inputs self-test order by user's operation mould group, which is sent to the master control molding by the first microprocessor
Second microprocessor of group；Second microprocessor receives that the detection mould group detection is controlled after the command signal is described electronic
The electric power signal of operating bed all parts, and the electric power signal that will test passes to second microprocessor；Described second is micro-
Processor receives the electric power signal of the detection mould group transmission, and by the electric power signal and is stored in advance in the second microprocessor
Standard electric power signal be compared, and comparison result is transmitted to first microprocessor；The first microprocessor is by the ratio
Display end compared with result in user's operation mould group is shown.
In one embodiment, the detection mould group includes multiple reduction voltage circuits, at least an analog-digital commutator and multiple electricity
Flow sensor, described method includes following steps: the voltage signal in the electric power signal is transmitted to after the reduction voltage circuit
The analog-digital commutator, the current signal in the electric power signal are transmitted to the analog-to-digital conversion after the current sensor
Device.
In one embodiment, the electric power signal includes the tach signal of motor, and second microprocessor passes through reading
The pulse signal of motor driver and the tach signal for obtaining the motor.
In one embodiment, the electric power signal includes the signal of storage card or the signal of attitude transducer, and described second
Microprocessor by whether can obtain the storage card storage signal and attitude transducer data-signal it is described to judge
Storage card and the attitude transducer whether failure.
In one embodiment, the comparison result are as follows: if the measured value of the voltage of power supply is not in the standard voltage value of power supply
In the range of, then it can determine whether power failure；If the measured value of the electric current of motor not motor and electric current standard voltage value
In range, then electrical fault is judged；If the measured value of the electric current of solenoid valve is not in the model of the standard voltage value of the electric current of solenoid valve
In enclosing, then solenoid valve failure is judged；If the measured value of the voltage of motor and solenoid valve is not in the normal voltage of motor and solenoid valve
In the range of value, and the measured value of the voltage of power supply then can be identified as in circuit board in the range of the standard voltage value of power supply
Route or connecting line failure；If the measured value of the voltage of motor or solenoid valve is in the range of the standard voltage value of motor or solenoid valve
It is interior, and the measured value of the electric current of motor or solenoid valve is in the range of the standard current value of motor or solenoid valve, then can determine that for
Motor or solenoid valve failure；If the measured value of the revolving speed of motor in the range of the rated rotational frequency value of motor, is not determined as electricity
Machine failure；If the measured value of the revolving speed of motor is in the range of the rated rotational frequency value of motor, and the measured value of the electric current of motor is not
In the range of the standard current value of motor or solenoid valve, then judgement is that the hydraulic oil of motorized operating bed is very few；If second micro- place
Reason device cannot obtain the data of attitude transducer, then determine attitude transducer failure；If the second microprocessor cannot obtain storage
The signal of card then determines to store card failure.
It is an advantage of the current invention that the important core component to motorized operating bed carries out System self-test, it is quickly found out system
Abort situation, timely handling failure, it is ensured that operation is gone on smoothly.
Detailed description of the invention
Fig. 1 is the block diagram of the fault self-checking system of motorized operating bed of the present invention.
Specific embodiment
With reference to the accompanying drawing to the specific embodiment party of the fault self-checking system and method for motorized operating bed provided by the invention
Formula elaborates.
Fig. 1 is the block diagram of the fault self-checking system of motorized operating bed of the present invention, referring to Fig. 1, the motorized operating bed
Fault self-checking system includes a user's operation mould group 10, one detection mould group 20 and a master control molding group 30.
The user's operation mould group 10 includes a first microprocessor 11, an input terminal 12 and a display end 13.Described
One microprocessor 11 is existing microprocessor, it may for example comprise but it is not limited to existing 32 based on ARM Cortex-M3 kernel
Position single-chip microcontroller STM32F103RCT6.The input terminal 12 and the display end 13 are connect with the first microprocessor 11 respectively.
The input terminal 12 includes but is not limited to the conventional equipments such as key, display screen, touch screen.User can be passed through the input terminal 12
Input the corresponding command.For example, user passes through the self-test key-press input self-test order of input terminal.The display end 13 is for showing institute
State the display information of the transmission of first microprocessor 11.The first microprocessor 11 receives user and passes through the life that input terminal 12 inputs
Enable signal and output it, the first microprocessor 11 need to information to be shown be sent to the display end 13, in institute
It states display end 13 and shows the information.The user's operation mould group can be hand-hold device.The user's operation mould group can wrap
A display is included, the display has the function of input terminal 12 and display end 13 concurrently.
The detection mould group 20 detects the electric power signal of the motorized operating bed all parts.Wherein, the detection mould group
20 include multiple reduction voltage circuits 21, at least an analog-digital commutator 22 and multiple current sensors 23.The electric power signal is through institute
The analog-digital commutator 23 is transmitted to after stating reduction voltage circuit 21 or the current sensor 22.
The electric power signal includes but is not limited to the voltage letter of the voltage signal of the power supply 40 of motorized operating bed, motor 41
Number, the tach signal of the voltage signal of solenoid valve 42, the current signal of motor 41, the current signal of solenoid valve 42, motor 41, deposit
Storage one or more of the signal or the data-signal of attitude transducer 44 of card storage 43.Wherein, the motorized operating bed
The voltage signal of power supply 40, the voltage signal of motor 41, solenoid valve 42 voltage signal transmitted after reduction voltage circuit 21 respectively
To the analog-digital commutator 23；The current signal of the motor 41, the current signal of solenoid valve 42 pass through current sense respectively
The analog-digital commutator 23 is sent to after device；The pulse signal that the tach signal of the motor 41 passes through acquisition motor driver
And it obtains；The storage card 43 stores signal or the data-signal of attitude transducer 44 is then direct by second microprocessor 31
It obtains.The reduction voltage circuit 21, current sensor 22 and analog-digital commutator 23 are conventional structure, can be obtained from the prior art
It takes.For example, the current sensor 22 is current sense chip ACS712.
The master control molding group 30 includes one second microprocessor 31.Second microprocessor 31 is existing micro process
Device, it may for example comprise but it is not limited to existing 32 single-chip microcontroller STM32F103RCT6 based on ARM Cortex-M3 kernel.Its
In, second microprocessor 31 can be same processor with the microprocessor that motorized operating bed itself has, i.e. the two is total
Use same processor.It the advantage is that, the action control module of fault self-checking system and motorized operating bed is integrated in one, both
Meet the two smoothly to realize, while enormously simplifying overall control module, improves the reliability of system.
Second microprocessor 31 is connect with the detection mould group 20 and the first microprocessor 11 respectively.
In one embodiment, logical by CAN bus between second microprocessor 31 and the first microprocessor 11
News.Second microprocessor 31 receives the command signal that the first microprocessor 11 exports, and is driven according to the command signal
The detection mould group 20 is moved to work.For example, letter of the first microprocessor 11 to second microprocessor 31 transmission self-test
Number, then second microprocessor 31 drives the detection mould group 20 to work according to the command signal.
Second microprocessor 31 receives the electric power signal of the detection mould group 20.In the present embodiment, described second
Microprocessor 31 receives the electric power signal from analog-digital commutator 23.The electric power signal includes but is not limited to motorized operating bed
The voltage signal of power supply 40, the voltage signal of motor 41, the voltage signal of solenoid valve 42, motor 41 current signal, electromagnetism
The current signal of valve 42, the tach signal of motor 41, storage card 43 storage signal or attitude transducer 44 data-signal in
One or more.
Second microprocessor 31 is by the electric power signal and the standard electric energy that is stored in advance in the second microprocessor 31
Signal is compared, and comparison result is transmitted to first microprocessor 11, this is compared knot by the first microprocessor 11
Fruit is shown in the display end 13 of user's operation mould group.The standard electric power signal, that is, motorized operating bed is each when working normally
The numberical range of the electric power signal of component, the including but not limited to range of the standard voltage value of the power supply 40 of motorized operating bed, electricity
Range, the range of the standard voltage value of solenoid valve 42, the range of the standard current value of motor 41, electricity of the standard voltage value of machine 41
Range, the range of the rated rotational frequency value of motor 41, the storage signal of storage card 43 or the posture of the standard current value of magnet valve 42 pass
One or more of the data-signal of sensor 44.
The present invention also provides a kind of methods for carrying out self-test using above-mentioned fault self-checking system.The method includes as follows
Step:
Step 1: user inputs self-test order by user's operation mould group 10, the first microprocessor 11 is by the order
Signal is sent to the second microprocessor 31 of the master control molding group.For example, in one embodiment, the user's operation mould group 10
For a display with first microprocessor 11, user's touching is by the fault self-checking order button on display, and input fault is certainly
The order of inspection, the first microprocessor 11 receives the order, and the fault self-checking order is sent to the second microprocessor
31。
Step 2: controlling the detection mould group 20 after the reception of the second microprocessor 31 command signal detects the electricity
It has an operation the electric power signals of an all parts, the electric power signal that the detection door mould group 20 will test passes to described second micro- place
Manage device 31.The electric power signal include but is not limited to the voltage signal of the power supply 40 of motorized operating bed, motor 41 voltage signal,
The voltage signal of solenoid valve 42, the current signal of motor 41, the current signal of solenoid valve 42, the tach signal of motor 41, storage
Storage one or more of the signal or the data-signal of attitude transducer 44 of card 43.Wherein, the electricity of the motorized operating bed
The voltage signal in source 40, the voltage signal of motor 41, solenoid valve 42 voltage signal be sent to after reduction voltage circuit 21 respectively
The analog-digital commutator 23；The current signal of the motor 41, solenoid valve 42 current signal respectively through over-current sensor
After be sent to the analog-digital commutator 23；The pulse signal that the tach signal of the motor 41 passes through acquisition motor driver
It obtains；The storage card 43 stores signal or the data-signal of attitude transducer 44 is then directly acquired by the second microprocessor 31.
Step 3: second microprocessor 31 receives the electric power signal that the detection mould group 20 transmits, and by the electric energy
Signal is compared with the standard electric power signal being stored in advance in the second microprocessor 31, and comparison result is transmitted to first
Microprocessor 11.The electric power signal of all parts when the standard electric power signal, that is, motorized operating bed works normally, including but not
It is limited to the range of the standard voltage value of the power supply 40 of motorized operating bed, the range of the standard voltage value of motor 41, solenoid valve 42
The range of standard voltage value, the range of the standard current value of motor 41, the range of the standard current value of solenoid valve 42, motor 41
Storage one or more of the signal or the data-signal of attitude transducer 44 of the range of rated rotational frequency value, storage card 43.
In this step, by the way that the measured value of electric power signal to be compared with standard value, and then judge motorized operating bed
All parts it is whether normal.Wherein, the diagnosis of power supply 40 mainly determines whether plant-grid connection, i.e., whether there is or not voltage values for power supply, leads to
Normal motorized operating bed is furnished with reserve battery, and when no external power supply uses battery automatically, but can not supply for a long time, therefore need to obtain in time
External power supply situation is taken, unexpected generation is avoided；When outer power voltage is excessive simultaneously, control module easy to damage, therefore need to judge electricity
Whether pressure value is reasonable.The voltage value of motor 41 and solenoid valve 42 also needs within limits, it is ensured that the normal operation of component；Electricity
The current value of machine 41 and solenoid valve 42 also fluctuates above and below certain value, excessive too small to can determine whether as exception；If motor 41 and electricity
The voltage value of magnet valve 42 is abnormal and supply voltage is normal, then can be identified as route or connecting line failure in circuit board；If motor 41
And 42 voltage value of solenoid valve is normal and current value is abnormal, then can determine that as component failure itself.The electric current of motor 41 also with power
It is related, if hydraulic oil is very few in system, it may also lead to the reduction of 41 electric current of motor, need to judge in conjunction with motor speed at this time, if turning
Fast exception is then determined as electrical fault, if revolving speed is normal, current anomaly then may be that hydraulic oil is very few.And attitude transducer 44
With storage card 43 directly by whether data and signal can be obtained as the foundation for judging whether failure.
Step 4: display end 13 of the first microprocessor 11 by the comparison result in user's operation mould group 10 is shown
Show.For example, showing power failure, electrical fault, solenoid valve failure, attitude transducer failure or storage card event on display end 13
Barrier.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of fault self-checking system of motorized operating bed characterized by comprising
One user's operation mould group, including a first microprocessor, an input terminal and a display end, the input terminal and the display
End is connect with the first microprocessor respectively, and user is received by input terminal input order, the first microprocessor
The command signal of user's input is simultaneously output it；
One detection mould group, detects the electric power signal of the motorized operating bed all parts；
One master control molding group, including one second microprocessor, second microprocessor respectively with the detection mould group and described
First microprocessor connection, second microprocessor receive the command signal of the first microprocessor output, and according to this
Command signal drives the detection mould group work, and second microprocessor receives the electric power signal of the detection mould group, can
The electric power signal is compared with the standard electric power signal being stored in advance in the second microprocessor, and comparison result is passed
First microprocessor is transported to, display end of the first microprocessor by the comparison result in user's operation mould group is shown.
2. the fault self-checking system of motorized operating bed according to claim 1, which is characterized in that the detection mould group includes
Multiple reduction voltage circuits, at least an analog-digital commutator and multiple current sensors, the electric power signal through the reduction voltage circuit or
The analog-digital commutator is transmitted to after the current sensor.
3. the fault self-checking system of motorized operating bed according to claim 1, which is characterized in that the electric power signal includes
The voltage signal of the power supply of motorized operating bed, the voltage signal of motor, the voltage signal of solenoid valve, the electric current of motor, solenoid valve
Current signal, the tach signal of motor, the storage signal of storage card or attitude transducer one of data-signal or several
Kind.
4. the fault self-checking system of motorized operating bed according to claim 1, which is characterized in that second microprocessor
It is communicated between the first microprocessor by CAN bus.
5. the fault self-checking system of motorized operating bed according to claim 1, which is characterized in that second microprocessor
Processor with the motorized operating bed is same processor.
6. a kind of method for carrying out self-test using fault self-checking system described in claim 1, which is characterized in that including walking as follows
Rapid: user inputs self-test order by user's operation mould group, which is sent to the master by the first microprocessor
Control the second microprocessor of mould group；
Second microprocessor controls the detection mould group detection each portion of motorized operating bed after receiving the command signal
The electric power signal of part, and the electric power signal that will test passes to second microprocessor；
Second microprocessor receive it is described detection mould group transmission electric power signal, and by the electric power signal be stored in advance in
Standard electric power signal in second microprocessor is compared, and comparison result is transmitted to first microprocessor；
Display end of the first microprocessor by the comparison result in user's operation mould group is shown.
7. according to the method described in claim 6, it is characterized in that, the detection mould group includes multiple reduction voltage circuits, at least one
Analog-digital commutator and multiple current sensors, described method includes following steps:
Voltage signal in the electric power signal is transmitted to the analog-digital commutator, the electric energy letter after the reduction voltage circuit
Current signal in number is transmitted to the analog-digital commutator after the current sensor.
8. described according to the method described in claim 6, it is characterized in that, the electric power signal includes the tach signal of motor
Second microprocessor obtains the tach signal of the motor by reading the pulse signal of motor driver.
9. according to the method described in claim 6, it is characterized in that, the electric power signal includes that the signal of storage card or posture pass
The signal of sensor, second microprocessor is by whether the storage signal and attitude transducer of the storage card can be obtained
Data-signal come judge the storage card and the attitude transducer whether failure.
10. according to the method described in claim 6, it is characterized in that, the comparison result are as follows: if the measured value of the voltage of power supply
Not in the range of the standard voltage value of power supply, then it can determine whether power failure；If the measured value of the electric current of motor not in motor and
Electric current standard voltage value in the range of, then judge electrical fault；If the measured value of the electric current of solenoid valve is not in solenoid valve
In the range of the standard voltage value of electric current, then solenoid valve failure is judged；If the measured value of the voltage of motor and solenoid valve is not in electricity
In the range of the standard voltage value of machine and solenoid valve, and the measured value of the voltage of power supply is in the range of the standard voltage value of power supply
It is interior, then it can be identified as route or connecting line failure in circuit board；If the measured value of the voltage of motor or solenoid valve is in motor or electricity
In the range of the standard voltage value of magnet valve, and the measured value of the electric current of motor or solenoid valve is in motor or the normalized current of solenoid valve
In the range of value, then it can determine that as motor or solenoid valve failure；If the measured value of the revolving speed of motor is not in the rated rotational frequency of motor
In the range of value, then it is determined as electrical fault；If the measured value of the revolving speed of motor in the range of the rated rotational frequency value of motor, and
The measured value of the electric current of motor is not in the range of the standard current value of motor or solenoid valve, then judgement is the liquid of motorized operating bed
Pressure oil is very few；If the second microprocessor cannot obtain the data of attitude transducer, attitude transducer failure is determined；If second is micro-
Processor cannot obtain the signal of storage card, then determine to store card failure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811244342.2A CN109388127A (en) | 2018-10-24 | 2018-10-24 | The fault self-checking system and method for motorized operating bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811244342.2A CN109388127A (en) | 2018-10-24 | 2018-10-24 | The fault self-checking system and method for motorized operating bed |
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| CN201811244342.2A Pending CN109388127A (en) | 2018-10-24 | 2018-10-24 | The fault self-checking system and method for motorized operating bed |
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Application publication date: 20190226 |