CN202383261U - Test system of driving motor - Google Patents
Test system of driving motor Download PDFInfo
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- CN202383261U CN202383261U CN2012200083496U CN201220008349U CN202383261U CN 202383261 U CN202383261 U CN 202383261U CN 2012200083496 U CN2012200083496 U CN 2012200083496U CN 201220008349 U CN201220008349 U CN 201220008349U CN 202383261 U CN202383261 U CN 202383261U
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims description 56
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 238000004088 simulation Methods 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 11
- 230000018109 developmental process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008111 motor development Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
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- 238000003912 environmental pollution Methods 0.000 description 1
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Abstract
The utility model discloses a driving motor's test system, include: the device comprises a power supply device, a main control device, a detection control device and a driving motor control device; the main control device is connected with the driving motor to be tested through the driving motor control device, and sends signals simulating different working states to the driving motor control device to control the driving motor to be tested to perform corresponding operation; the detection device is connected with the driving motor to be detected and is used for detecting working parameters of the driving motor to be detected in different states; the detection device is connected with the main control device through the detection control device, and the detected working parameters of the driving motor to be detected are sent to the main control device through the detection control device to be processed. The utility model discloses a detect the driving motor of electric motor car in the behavior of different states form to just can the discovery problem in the development design link, the solution problem reduces the design defect and has improved the life of motor.
Description
Technical field
The utility model relates to electric motor car detection system field, particularly a kind of test macro of driving motor.
Background technology
Along with the fast development of China's economic construction, electric bicycle is the people of nearest widespread use walking-replacing tools commonly used when going on a journey, and uses electric energy to be the energy, and is free from environmental pollution, because of laborsaving the liking of people that receive very much of riding.Electric bicycle must have good quality and security performance; High-quality Electric Vehicle Development is the objective of the struggle of each electric motor car manufacturer; Driving motor is the core component of electric motor car, and the serviceability of driving motor and control characteristic have determined the electric motor car overall performance.
The driving motor detection platform for the acceleration motor development and Design, reduce the design cycle, practice thrift cost of development, improve the driving motor quality and electric motor car overall performance index all has good facilitation.In order to find motor performance in practical work process better, also hope in the check and analysis process in the detection and the analysis that realize motor runnability under the multiple duty on the same test platform.
And existing test system structure is complicated, and volume is very big, troublesome poeration; Use inconvenience, test efficiency is low, and cost is high; The function of its test macro and test condition are too single, can't realize the detection and the analysis of motor runnability under the multiple duty.
The utility model content
To the problems referred to above that exist in the prior art, the utility model embodiment provides a kind of test macro of driving motor, has realized the detection and the analysis of motor runnability under the multiple duty.
The utility model embodiment provides a kind of test macro of driving motor, comprising: the power supply device of electric energy is provided, also comprises: master control set, The driving motor control device, pick-up unit and detection control apparatus;
Said master control set is connected with said The driving motor control device, sends the signal of simulation driving motor to be measured under the different operating state to said The driving motor control device;
Said The driving motor control device is connected respectively with driving motor to be measured with said master control set, according to the signal under the different operating state that receives, controls said driving motor to be measured and carries out corresponding operating;
Said pick-up unit is connected with said driving motor to be measured, is used to detect the running parameter of said driving motor to be measured under the different operating state, and sends said detection control apparatus to;
Said detection control apparatus is connected with said master control set with said pick-up unit, receives the running parameter that said pick-up unit sends, and converts the signal corresponding with said running parameter into, sends to said master control set and handles;
Said power supply device provides electric energy for respectively said pick-up unit and said driving motor to be measured.
Among the utility model embodiment, through master control set and pick-up unit, the driving motor of electric motor car is carried out check and analysis, running status that can simulating motor electric motor car under the different operating condition is carried out comprehensive analysis and assessment to the performance of motor.Master control set carries out record, analysis, the calculating of detected parameters, exports suitable instruction through the program computational analysis, thereby satisfies the requirement of the test analysis of motor development and Design process.
Description of drawings
Fig. 1 is the structured flowchart of the utility model embodiment one system;
Fig. 2 is the structured flowchart of the utility model embodiment two system;
Fig. 3 is the structured flowchart of the utility model embodiment three systems;
Fig. 4 is the structural representation of the utility model embodiment four systems.
Embodiment
The utility model embodiment provides a kind of test macro of driving motor, has realized the detection and the analysis of motor runnability under the multiple duty.
The utility model embodiment provides a kind of test macro of driving motor, comprising: the power supply device of electric energy is provided, also comprises: master control set, The driving motor control device, pick-up unit and detection control apparatus;
Said master control set is connected with said The driving motor control device, sends the signal of simulation driving motor to be measured under the different operating state to said The driving motor control device;
Said The driving motor control device is connected respectively with driving motor to be measured with said master control set, according to the signal under the different operating state that receives, controls said driving motor to be measured and carries out corresponding operating;
Said pick-up unit is connected with said driving motor to be measured, is used to detect the running parameter of said driving motor to be measured under the different operating state, and sends said detection control apparatus to;
Said detection control apparatus is connected with said master control set with said pick-up unit, receives the running parameter that said pick-up unit sends, and converts the signal corresponding with said running parameter into, sends to said master control set and handles;
Said power supply device provides electric energy for respectively said pick-up unit and said driving motor to be measured.
Preferable, said pick-up unit specifically comprises the power measurement arrangement switch of the break-make of said power supply device of control and said power measurement arrangement, the power measurement arrangement and the measurement of power shaft coupling of the power of the said driving motor to be measured of detection under simulation different operating state;
The power measurement arrangement switch is connected with said power measurement arrangement with said power supply device respectively;
Said power measurement arrangement is connected with said driving motor to be measured through said measurement of power shaft coupling;
Said detection control apparatus is specially the measurement of power control device, is connected with said power measurement arrangement;
Said measurement of power control device feeds back the power of the detected said driving motor to be measured of said power measurement arrangement under simulation different operating state to said master control set.
Preferable, said The driving motor control device comprises: The driving motor control device and driving motor switchgear;
Said The driving motor control device; Be connected with said driving motor to be measured through the driving motor switchgear; Said The driving motor control device is controlled said driving motor work to be measured through the signal under the simulation different operating state that receives said master control set and send;
Said driving motor switchgear, the break-make of controlling and driving motor controller and said driving motor to be measured.
Preferable, said power supply device comprises: three-phase alternating-current supply and rectifier;
Said three-phase alternating-current supply is connected with said driving motor to be measured through the said rectifier that is connected, with thinking that said driving motor to be measured provides the electric energy of corresponding different voltages.
Preferable; Said The driving motor control device; Also comprise: driving motor supply voltage tester; Connect said master control set and said driving motor to be measured,, control said driving motor to be measured and under different operating voltage, work through receiving the control voltage output signal that said master control set sends.
Preferable, said pick-up unit also comprises: fictitious load pick-up unit and Weight detector shaft coupling;
Said fictitious load pick-up unit is connected with said driving motor to be measured through said Weight detector shaft coupling, is used to detect the duty of said driving motor to be measured when different loads;
Said power supply device comprises three-phase alternating-current supply and fictitious load pick-up unit rectifier; Said three-phase alternating-current supply is connected with said fictitious load pick-up unit through fictitious load pick-up unit rectifier, is used for electric energy to said fictitious load pick-up unit being provided;
Said fictitious load pick-up unit is connected with said master control set, is used to obtain the control signal of said master control set, and said driving motor to be measured is carried out the unequally loaded test;
Said fictitious load pick-up unit is connected with said power measurement arrangement through the measurement of power shaft coupling, sends to said power measurement arrangement with detecting the output power of said driving motor to be measured when the different loads.
Preferable, said fictitious load pick-up unit comprises: fictitious load direct current motor and brake sticking brake device;
Said detection control apparatus also comprises: fictitious load direct current drive machine controller;
Said fictitious load direct current motor and said brake sticking brake device are connected on the coupling shaft at said Weight detector shaft coupling place, are used for through regulating the pressure of said brake sticking brake device to said fictitious load direct current motor;
Said brake sticking brake device is connected with said master control set, receives the control signal of said master control set;
Said fictitious load direct current motor is connected with said master control set through said fictitious load direct current drive machine controller; Be used for receiving the signal of said master control set, control the size of said fictitious load direct current motor electric current input through said fictitious load direct current drive machine controller.
Preferable, said fictitious load pick-up unit also comprises: speed probe and torque sensor;
Said speed probe and said torque sensor are connected on the said fictitious load direct current motor, are used to detect the rotating speed and the level of torque of said fictitious load direct current motor;
Said speed probe and said torque sensor are connected respectively at said master control set, and the rotating speed of the said fictitious load direct current motor that will obtain is big or small and level of torque sends to said master control set.
Preferable, said power measurement arrangement, said fictitious load direct current motor and said driving motor to be measured all are installed on the rack platform.
Below in conjunction with Figure of description the utility model embodiment is described in further detail.
As shown in Figure 1; Structured flowchart for the utility model embodiment one system; Comprise: power supply device 12; With thinking that driving motor to be measured provides electric energy, also comprises: master control set 13, pick-up unit 14, detection control apparatus 15 and The driving motor control device 16, power supply device 12 provide electric energy for pick-up unit 13; Master control set 13; Be connected with driving motor 11 to be measured through The driving motor control device 16; Master control set 13 sends the signal of simulating the different operating state to The driving motor control device 16, and The driving motor control device 16 carries out corresponding operating in order to control driving motor 11 to be measured; Pick-up unit 14 is connected with driving motor 11 to be measured, is used to detect the running parameter of driving motor 11 to be measured when different conditions; Be connected with master control set 13 through detection control apparatus 15, the running parameter of detected driving motor 11 to be measured sent to master control set 13 through detection control apparatus 16 handle.
As shown in Figure 2; Structured flowchart for the utility model embodiment two; Comprise: driving motor to be measured 11, connected master control set 13, and the power supply device 12 that is connected with driving motor 11 to be measured, wherein; Power supply device 12 is a three-phase alternating-current supply 121, and pick-up unit 14 comprises: power measurement arrangement 141, measurement of power shaft coupling 142 and power measurement arrangement switch 143;
Concrete, detection control apparatus 15 is a measurement of power control device 151, is connected with power measurement arrangement 141;
Concrete, The driving motor control device 16 comprises: The driving motor control device 161 and driving motor switchgear 162;
The driving motor control device 161; Be connected with driving motor 11 to be measured through driving motor switchgear 162; The driving motor control device 161 is controlled driving motor 11 work to be measured through the signal of the simulation different operating state that receives master control set 13 and send; Wherein, driving motor switchgear 162, the on off state of controlling and driving motor controller.
Three-phase alternating-current supply 121 is connected with driving motor 11 to be measured through the rectifier 122 that is connected, with thinking that driving motor 11 to be measured provides the electric energy of corresponding different voltages;
Concrete; The driving motor control device 16 also comprises: driving motor supply voltage tester 163; Connect master control set 13 and driving motor 11 to be measured; The control voltage output signal that the master control set 13 that receives through driving motor supply voltage tester 163 sends is controlled driving motor 11 to be measured and is simulated the watt level under different operating voltage.
Adopting three-phase alternating-current supply in the utility model is that test macro provides electric energy; Rectifier 122 is specially driving motor rectifier 1221; Three-phase alternating-current supply 121 is driving motor 11 power supplies to be measured through driving motor rectifier 1221, and driving motor 11 duties to be measured receive the control of The driving motor control device 161; Through regulating driving motor rectifier 1221; Can simulate driving motor to be measured 11 running statuses under the multiple conditions of power supply such as superpotential, under-voltage, normal working voltage; And measure the output power of its different conditions through the power measurement arrangement 141 that connects; Send to master control set 13 through Dynamometer Control device 142, master control set 13 is made corresponding evaluation according to the data that obtain to electronic 11 machines of driving to be measured.
As shown in Figure 3, be the structured flowchart of the utility model embodiment three, said pick-up unit 14 also comprises: fictitious load pick-up unit 144, Weight detector shaft coupling 145; Fictitious load pick-up unit 144 is connected with driving motor 11 to be measured through Weight detector shaft coupling 145, is used to detect the running status of driving motor 11 simulations to be measured when the different loads duty;
Fictitious load pick-up unit 144 is connected with three-phase alternating-current supply 121 through fictitious load pick-up unit rectifier 1222; This three-phase alternating-current supply 121 provides electric energy for fictitious load pick-up unit 144;
Fictitious load pick-up unit 144 is connected with master control set 13, is used to receive the control signal of master control set 13;
Fictitious load pick-up unit 144 is connected with power measurement arrangement 141 through measurement of power shaft coupling 142, and power measurement arrangement 141 sends to master control set 13 through measurement of power control device 151 power that is used for the driving motor to be measured 11 that detects is exported when the different loads that is connected with master control set 13;
Driving motor 11 to be measured is connected with master control set 13 through driving motor supply voltage tester 163, is used to simulate the working status parameter of driving motor 11 to be measured at superpotential, under-voltage and normal rating voltage;
Driving motor 11 to be measured through driving motor switchgear 162 with and be connected on the master control set 13 with the The driving motor control device 161 that is connected, be used to receive the control signal of master control set 13.
As shown in Figure 4; Structural representation for the utility model embodiment four systems; Fictitious load pick-up unit 144 comprises: brake sticking brake device 1443, torque sensor 1444 and speed probe 1442 and fictitious load direct current motor 1441; Wherein, fictitious load direct current motor 1441 is connected through Weight detector shaft coupling 145 with driving motor 11 to be measured, is used to obtain the running parameter of the driving motor to be measured 11 when different loads.Brake sticking brake device 1443 and fictitious load direct current motor 1441 are connected between fictitious load direct current motor 1441 and the Weight detector shaft coupling 145; Be used to regulate different load conditions; Torque sensor 1444 is arranged on the fictitious load direct current motor 1441 with speed probe 1442, is used to detect rotating speed and the level of torque of driving motor 11 to be measured when different loads.
Master control set 13 is connected with speed probe 1442 with power measurement arrangement controller 151, fictitious load direct current drive machine controller 152, The driving motor control device 161, driving motor supply voltage tester 163, driving motor commutation controller 1223, brake sticking brake device 1443, torque sensor 1444 through control bus 131, realizes the transmission of control signal; Wherein, The driving motor control device 161 is connected with driving motor 11 to be measured through driving motor switchgear 162; Be used for the control signal of the master control set that receives 13 is transmitted to driving motor 11 to be measured; Thereby control the duty of driving motor 11 test different operating situation to be measured; Driving motor supply voltage tester 163 is connected with driving motor 11 to be measured, is used to detect driving motor 11 different operating voltages values to be measured, and driving motor commutation controller 1223 is connected with driving motor 11 to be measured through driving motor rectifier 1221; Be used to receive the control signal of master control set 13; Adjust the different test voltages that satisfy test condition, three-phase alternating-current supply is connected in driving motor 11 to be measured through driving motor rectifier 1221, be used for providing the electric energy of different test voltages to driving motor 11 to be measured; Three-phase alternating-current supply 121 is connected with fictitious load direct current motor 1441 through fictitious load direct current motor rectifier 1222, is used to provide the unequally loaded electric energy.
Driving motor to be measured 11, fictitious load direct current motor 1441 and power measurement arrangement 141 are arranged at respectively on the driving motor mounting bracket 111 to be measured of system frame platform 18, on the fictitious load direct current motor mounting bracket 1445 and on the measurement of power mounting bracket 1411; Wherein this rack platform 18 is adjustable, can select driving motor 11 to be measured directly to be connected with power measurement arrangement 141 through measurement of power shaft coupling 142, directly measures the power output under no-load condition.
Three-phase alternating-current supply 121 is supplied power to driving motor 11 to be measured through driving motor rectifier 1221; Through regulating the duty of driving motor rectifier 1221; Simulate the duty of driving motor 11 to be measured under superpotential, under-voltage condition, apply different pressure through brake sticking brake device 1443 and simulate the duty of driving motor 11 to be measured under different load-carryings.
Three-phase alternating-current supply 121 is supplied power to load simulation direct current motor 1441 through fictitious load direct current motor rectifier 1222; The travelling speed that can regulate fictitious load direct current motor 1441 through fictitious load direct current drive machine controller 152; When the travelling speed of fictitious load direct current motor 1441 during less than driving motor 11 to be measured; Simulate driving motor 11 to be measured and be in the state under the conditions such as being operated in level road, upward slope; Fictitious load direct current motor 1441 is in generating state; When the travelling speed of fictitious load direct current motor 1441 during greater than driving motor 11 to be measured, to simulate driving motor 11 to be measured and be in the state that is operated under descending, the braking condition, this moment, driving motor 11 to be measured worked in inverter mode.Fictitious load direct current motor 1441 links to each other with power measurement arrangement 141 through measurement of power shaft joint 142, realizes the output power of driving motor 11 to be measured.
The utility model compared with prior art has the following advantages:
Among the utility model embodiment; Adopt the loading condition of driving motor of electric vehicle under the load simulation direct current motor simulation different operating status condition; The brake sticking brake device is housed simultaneously, is used to simulate the duty of drive motor to be measured under different load, through test direct current motor feedback electric power test analysis motor power (output) output characteristics; And when dynamometer machine directly is connected with driving motor to be measured; The output of power in the time of can measuring zero load, thereby the operating characteristic of full test driving motor under various states are for the design analysis of motor provides the information that more comprehensively detects.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1. the test macro of a driving motor comprises: the power supply device of electric energy is provided, it is characterized in that, also comprise: master control set, The driving motor control device, pick-up unit and detection control apparatus;
Said master control set is connected with said The driving motor control device, sends the signal of simulation driving motor to be measured under the different operating state to said The driving motor control device;
Said The driving motor control device is connected respectively with driving motor to be measured with said master control set, according to the signal under the different operating state that receives, controls said driving motor to be measured and carries out corresponding operating;
Said pick-up unit is connected with said driving motor to be measured, is used to detect the running parameter of said driving motor to be measured under the different operating state, and sends said detection control apparatus to;
Said detection control apparatus is connected with said master control set with said pick-up unit, receives the running parameter that said pick-up unit sends, and converts the signal corresponding with said running parameter into, sends to said master control set and handles;
Said power supply device provides electric energy for respectively said pick-up unit and said driving motor to be measured.
2. test macro as claimed in claim 1; It is characterized in that said pick-up unit specifically comprises the power measurement arrangement switch of the break-make of said power supply device of control and said power measurement arrangement, the power measurement arrangement and the measurement of power shaft coupling of the power of the said driving motor to be measured of detection under simulation different operating state;
The power measurement arrangement switch is connected with said power measurement arrangement with said power supply device respectively;
Said power measurement arrangement is connected with said driving motor to be measured through said measurement of power shaft coupling;
Said detection control apparatus is specially the measurement of power control device, is connected with said power measurement arrangement;
Said measurement of power control device feeds back the power of the detected said driving motor to be measured of said power measurement arrangement under simulation different operating state to said master control set.
3. test macro as claimed in claim 2 is characterized in that, said The driving motor control device comprises: The driving motor control device and driving motor switchgear;
Said The driving motor control device; Be connected with said driving motor to be measured through the driving motor switchgear; Said The driving motor control device is controlled said driving motor work to be measured through the signal under the simulation different operating state that receives said master control set and send;
Said driving motor switchgear, the break-make of controlling and driving motor controller and said driving motor to be measured.
4. test macro as claimed in claim 3 is characterized in that, said power supply device comprises: three-phase alternating-current supply and rectifier;
Said three-phase alternating-current supply is connected with said driving motor to be measured through the said rectifier that is connected, with thinking that said driving motor to be measured provides the electric energy of corresponding different voltages.
5. test macro as claimed in claim 4; It is characterized in that; Said The driving motor control device also comprises: driving motor supply voltage tester connects said master control set and said driving motor to be measured; Through receiving the control voltage output signal that said master control set sends, control said driving motor to be measured and under different operating voltage, work.
6. test macro as claimed in claim 2 is characterized in that, said pick-up unit also comprises: fictitious load pick-up unit and Weight detector shaft coupling;
Said fictitious load pick-up unit is connected with said driving motor to be measured through said Weight detector shaft coupling, is used to detect the duty of said driving motor to be measured when different loads;
Said power supply device comprises three-phase alternating-current supply and fictitious load pick-up unit rectifier; Said three-phase alternating-current supply is connected with said fictitious load pick-up unit through fictitious load pick-up unit rectifier, is used for electric energy to said fictitious load pick-up unit being provided;
Said fictitious load pick-up unit is connected with said master control set, is used to obtain the control signal of said master control set, and said driving motor to be measured is carried out the unequally loaded test;
Said fictitious load pick-up unit is connected with said power measurement arrangement through the measurement of power shaft coupling, sends to said power measurement arrangement with detecting the output power of said driving motor to be measured when the different loads.
7. test macro as claimed in claim 6 is characterized in that, said fictitious load pick-up unit comprises: fictitious load direct current motor and brake sticking brake device;
Said detection control apparatus also comprises: fictitious load direct current drive machine controller;
Said fictitious load direct current motor and said brake sticking brake device are connected on the coupling shaft at said Weight detector shaft coupling place, are used for through regulating the pressure of said brake sticking brake device to said fictitious load direct current motor;
Said brake sticking brake device is connected with said master control set, receives the control signal of said master control set;
Said fictitious load direct current motor is connected with said master control set through said fictitious load direct current drive machine controller; Be used for receiving the signal of said master control set, control the size of said fictitious load direct current motor electric current input through said fictitious load direct current drive machine controller.
8. test macro as claimed in claim 7 is characterized in that, said fictitious load pick-up unit also comprises: speed probe and torque sensor;
Said speed probe and said torque sensor are connected on the said fictitious load direct current motor, are used to detect the rotating speed and the level of torque of said fictitious load direct current motor;
Said speed probe and said torque sensor are connected respectively at said master control set, and the rotating speed of the said fictitious load direct current motor that will obtain is big or small and level of torque sends to said master control set.
9. test macro as claimed in claim 8 is characterized in that, said power measurement arrangement, said fictitious load direct current motor all are installed on the rack platform;
Said driving motor to be measured also is installed on the said rack platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200083496U CN202383261U (en) | 2012-01-10 | 2012-01-10 | Test system of driving motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200083496U CN202383261U (en) | 2012-01-10 | 2012-01-10 | Test system of driving motor |
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| CN202383261U true CN202383261U (en) | 2012-08-15 |
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| CN2012200083496U Expired - Fee Related CN202383261U (en) | 2012-01-10 | 2012-01-10 | Test system of driving motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251977A (en) * | 2013-06-26 | 2014-12-31 | 珠海格力电器股份有限公司 | Motor detection method and system |
| CN105068001A (en) * | 2015-07-31 | 2015-11-18 | 佛山市中格威电子有限公司 | Motor test tooling |
| CN105337535A (en) * | 2014-08-08 | 2016-02-17 | 北京谊安医疗系统股份有限公司 | Self-inspection circuit for brushless DC motor of anesthesia machine |
-
2012
- 2012-01-10 CN CN2012200083496U patent/CN202383261U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251977A (en) * | 2013-06-26 | 2014-12-31 | 珠海格力电器股份有限公司 | Motor detection method and system |
| CN105337535A (en) * | 2014-08-08 | 2016-02-17 | 北京谊安医疗系统股份有限公司 | Self-inspection circuit for brushless DC motor of anesthesia machine |
| CN105337535B (en) * | 2014-08-08 | 2019-03-05 | 北京谊安医疗系统股份有限公司 | A kind of brshless DC motor self-checking circuit of Anesthesia machine |
| CN105068001A (en) * | 2015-07-31 | 2015-11-18 | 佛山市中格威电子有限公司 | Motor test tooling |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20160110 |