CN104345728A - Thermal cycle durability testing device of driving motor controller - Google Patents
Thermal cycle durability testing device of driving motor controller Download PDFInfo
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- CN104345728A CN104345728A CN201410683415.3A CN201410683415A CN104345728A CN 104345728 A CN104345728 A CN 104345728A CN 201410683415 A CN201410683415 A CN 201410683415A CN 104345728 A CN104345728 A CN 104345728A
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- motor controller
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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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- Automation & Control Theory (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention belongs to the technical field of automobile electronic and electrical appliances, and particularly relates to a thermal cycle durability testing device of a driving motor controller. The thermal cycle durability testing device comprises a temperature box, the driving motor controller, a cooling system, a power source, an upper computer, a testing control device and a three-phase power inductor, wherein the driving motor controller and the cooling system are arranged in the temperature box, the power source is positioned at the exterior of the temperature box, the upper computer is used as a control center, the testing control device is used for generating a motor position signal for the reversing of the controller, and the three-phase power inductor is used for replacing a motor stator. The thermal cycle durability testing device has the advantages that the actual motor can be replaced by the three-phase power inductor and the testing control device, a power tester and the motor equipment are not needed, the land is saved, and the noise of moving parts is reduced; the thermal cycle durability testing is automatically completed by the upper computer and the testing control device, so the human resource is saved; the operation is convenient, the reliability is high, the testing data is collected by the upper computer in real time, and the accuracy is high.
Description
Technical field
The invention belongs to automotive electronics electric test technical field, be specifically related to a kind of drive motor controller thermal cycling durability proving installation.
Background technology
The severe situation of global energy and environment, particularly international financial crisis are to the enormous impact of automobile industry; promote countries in the world and accelerate transportation and energy's strategic transformation, the new-energy automobile being representative with hybrid vehicle, pure electric automobile and fuel cell car becomes the important directions of future automobile development.
Drive motor controller (hereinafter referred to as " controller ") is the kernel component of new-energy automobile, it controls drive motor and carries out Power output and energy regenerating according to car load driving intention, carries out fault diagnosis and dealing to information such as power system electric current, voltage, temperature simultaneously.Controller working environment very severe, need to adapt to various different variation of ambient temperature, once controller electron device is subject to temperature variation and occurs losing efficacy, car load will will there will be out of control by car load, even can cause the risks of disturbance such as electrokinetic cell is on fire time serious.Therefore, the test of thermal cycling durability is carried out to controller very necessary.
For the test of controller thermal cycling durability, in " EQC-1206-2007 Electrical and Electronic equipment environment current techique specification physicochemical characteristics ", 6.1.8 defines corresponding operating condition of test and cycle index, drive motor controller is temperature-40 ~+85 ° of scope Inner eycle work 700 times, working current varies with temperature and changes, after duration of test and off-test, be consistent before electrical specification and test.
Standard defines the test rule of vehicle mounted electric machine controller thermal cycling durability, but does not provide concrete testing equipment and method.The normal test method adopted is placed in sweat box by controller and cooling system at present, adjust sweat box by people and carry out variation of ambient temperature, the rotating speed that motor to state of cyclic operation specifies stablized by dynamometer machine, and the electric current that people carries out corresponding operating mode according to temperature variation operation control in real time exports.The method had both needed the equipment such as dynamometer machine and motor, take the place resources such as stand, also labor intensive timing goes to regulate sweat box temperature, motor speed, controller output current, and thermal cycling durability test often reaches the several months, dynamometer machine and motor long time running, noise is large, and experimental enviroment is quite severe.
Summary of the invention
Object of the present invention is exactly the deficiency existed to solve above-mentioned background technology, provides a kind of drive motor controller thermal cycling durability proving installation.
The technical solution used in the present invention is: a kind of drive motor controller thermal cycling durability proving installation, comprise sweat box, be placed in drive motor controller in sweat box and cooling system, and be positioned at the outside power supply of powering for drive motor controller of sweat box, also comprise
Host computer, be electrically connected with experiement control device, for sending the instruction of sweat box temperature, motor speed instruction and the instruction of controller output current to experiement control device, the drive motor controller information simultaneously receiving experiement control device feedback judges that the running status of drive motor controller and thermal cycle experiment run progress;
Experiement control device, be electrically connected with drive motor controller and sweat box respectively, instruction for sending according to host computer sends motor position signal and current-order to drive motor controller, sends temperature instruction, feed back the information of drive motor controller to host computer simultaneously to sweat box;
Three phase power inductance, is electrically connected with drive motor controller, for simulated machine stator;
Described sweat box controls the temperature in it according to the temperature instruction received.
Further, described experimental control device comprises single-chip microcomputer and motor position analogue unit, described single-chip microcomputer for receive the instruction of sweat box temperature and be sent to sweat box, receive motor speed instruction and be sent to motor position analogue unit, receive controller output current instruction and be sent to drive motor controller, receive drive motor controller feedback information and be sent to host computer, described motor position analogue unit for receive motor speed instruction produce motor position signal.
Further, described three phase power inductance is three-phase Y-connection inductance.
Further, described power supply is the adjustable high-voltage DC power supply of voltage, and its capacity is more than or equal to 1.5 times of drive motor controller peaking capacity.
Further, described cooling system comprises cooling water tank and water pump, described drive motor controller, is connected by piping loop successively between cooling water tank and water pump.
Further, also comprise accumulator, described accumulator is electrically connected with drive motor controller, and accumulator output voltage is 12V.
The present invention replaces actual motor by the motor position signal of three phase power inductance and experimental control device simulation, eliminates dynamometer machine and motor device, has saved place, reduce the noise of running element; Automatic adjusting ambient temperature is required, automatically according to state of cyclic operation adjustment controller output current according to testing standard by host computer and experimental control device, automatically thermal cycling durability test is completed, human resources are saved, repacking put easy to operate, reliability is high, by host computer Real-time Collection test data, accuracy rate is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-drive motor controller; 2-power supply; 3-accumulator; 4-experiement control device; 5-host computer; 6-three phase power inductance; 7-sweat box; 8-cooling water tank; 9-water pump.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, is convenient to be well understood to the present invention, but they do not form restriction to the present invention.
As shown in Figure 1, the present invention includes sweat box 7, be placed in drive motor controller 1 in sweat box 7 and cooling system, and be positioned at the outside power supply 2 of powering for drive motor controller of sweat box, also comprise accumulator 3, experiement control device 4, host computer 5 and three phase power inductance 6, wherein:
Host computer 5 is electrically connected by RS232 bus with experiement control device 4, host computer 5 is one and controls computer, for sending the instruction of sweat box temperature, motor speed instruction and the instruction of controller output current to experiement control device, the drive motor controller information simultaneously receiving experiement control device feedback judges that the running status of drive motor controller and thermal cycle experiment run progress.
Experiement control device 4 is electrically connected by CAN with drive motor controller 1, be electrically connected by RS485 bus with sweat box 7, experiement control device 4 sends motor position signal and current-order for the instruction sent according to host computer to drive motor controller, send temperature instruction to sweat box, feed back the information of drive motor controller to host computer simultaneously.Experimental control device comprises single-chip microcomputer and motor position analogue unit, described single-chip microcomputer for receive the instruction of sweat box temperature and be sent to sweat box, receive motor speed instruction and be sent to motor position analogue unit, receive controller output current instruction and be sent to drive motor controller, receive drive motor controller feedback information and be sent to host computer, described motor position analogue unit produces motor position signal for receiving motor speed instruction, motor position analogue unit can be single-chip microcomputer, also can be circuit structure.
Three phase power inductance 6 is electrically connected with drive motor controller 1, for simulated machine stator, floor area is little, experiement control device 4 together with three phase power inductance 6 with the use of, replace actual motor, eliminate dynamometer machine and motor device, saved place, reduce the noise of running element, improve experimental situation quality.Three phase power inductance 6 is three-phase Y-connection inductance, can bear electric current overlay controller thermal cycling durability test peak point current.
Sweat box 7 controls the temperature in it according to the temperature instruction received, sweat box answers the Programmable Temperature case of supporting bus communications protocol, adjustable temperature range overlay controller thermal cycling durability test temperature scope.
Power supply 2 is the adjustable high-voltage DC power supply of voltage, and adjustable voltage scope should comprise drive motor controller rated operational voltage, and its capacity is more than or equal to 1.5 times of drive motor controller peaking capacity.
Cooling system comprises cooling water tank 8 and water pump 9, described drive motor controller 1, to be connected by piping loop successively between cooling water tank 8 and water pump 9, in cooling water tank, fixed temperature is set, after the temperature of drive motor controller reaches the temperature of setting, cooling water tank 8 and water pump 9 automatically start and lower the temperature to drive motor controller, and cooling-water pump should adopt vehicle-mounted cooling device.Certain cooling system also can adopt air cooling system, now concrete application conditions in the suitable simulating vehicle of cooling condition.
Accumulator 3, described accumulator 3 is electrically connected with drive motor controller 1, and accumulator output voltage is 12V.
The process adopting the present invention to carry out thermal cycling durability test to drive motor controller is as follows:
Before test, drive motor controller 1, cooling water tank 8, water pump 9 are placed in sweat box 7, are connected the intake-outlet of drive motor controller 1, cooling water tank 8 and water pump 9 by pipeline, form water circulation channel.Drive motor controller 1 connects power supply 2 by direct current cables, connects three phase power inductance 6 by three-phase alternating current cable, connects accumulator 3, by CAN and position signalling wire harness joint test control device 4 by controller light current wire harness.Experimental control device 4 connects sweat box 7 by RS485 bus, connects host computer 5 by RS232 bus.Pump capacity is adjusted to technical requirement regulation flow, and power settings is electric machine controller rated operational voltage.By following steps, the test of controller thermal cycling durability is controlled after individual parts connect:
S1) start.
S2) host computer 5 and experimental control device 4 set up 232 communication annexations.
S3) experimental control device 4 and sweat box 7 set up 485 communication annexations.
S4) experimental control device 4 and drive motor controller 1 set up CAN communication annexation.
S5) host computer 5 sends the instruction of sweat box temperature, motor speed instruction, the instruction of controller output current by testing standard to experimental control device 4.
S6) experimental control device 4 sends temperature instruction to sweat box 7, design temperature case temperature.
S7) motor speed instruction simulation is produced motor position signal by experimental control device 4, is sent to drive motor controller 1, carries out commutation action for drive motor controller.
S8) current-order is sent to drive motor controller by experimental control device 4, and drive motor controller 1 responds by current-order.
S9) experimental control device 4 accepts drive motor controller feedback information, and feedback information is sent to host computer 5.
S10) host computer 5 stores feedback information, judges that drive motor controller 1 running status and thermal cycling test run progress.
S11) if thermal cycling test does not complete, and drive motor controller running status is normal, returns S5).
S12) if thermal cycling test completes, or drive motor controller running status is abnormal, terminates test.
In above-mentioned process of the test, the operating condition of test that host computer specifies according to 6.1.8 in " EQC-1206-2007 Electrical and Electronic equipment environment current techique specification physicochemical characteristics " sends test run instruction to experimental control device, sends off-test instruction according to the cycle index of regulation.Host computer accepts the drive motor controller status information of feedback and checks with standard value, passes through, then test continuation if check; Do not pass through if check, then send off-test instruction, show that the test of this drive motor controller thermal cycling durability is not passed through.After thermal cycling durability off-test, judge whether the test of drive motor controller thermal cycling durability is passed through by mentioning test condition in standard.
The present invention adopts the motor position signal of three phase power inductance and experimental control device simulation to replace actual motor, eliminates dynamometer machine and motor device, has saved place, reduce the noise of running element; Require automatic adjusting ambient temperature by host computer and experimental control device according to testing standard, automatically according to state of cyclic operation adjustment controller output current, automatically complete thermal cycling durability test, saved human resources.
The content be not described in detail in this instructions belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. a drive motor controller thermal cycling durability proving installation, comprise sweat box (7), be placed in drive motor controller (1) in sweat box (7) and cooling system, and be positioned at the outside power supply (2) of powering for drive motor controller of sweat box, it is characterized in that: also comprise
Host computer (5), be electrically connected with experiement control device (4), for sending the instruction of sweat box temperature, motor speed instruction and the instruction of controller output current to experiement control device, the drive motor controller information simultaneously receiving experiement control device feedback judges that the running status of drive motor controller and thermal cycle experiment run progress;
Experiement control device (4), be electrically connected with drive motor controller (1) and sweat box (7) respectively, instruction for sending according to host computer sends motor position signal and current-order to drive motor controller, send temperature instruction to sweat box, feed back the information of drive motor controller to host computer simultaneously;
Three phase power inductance (6), is electrically connected with drive motor controller (1), for simulated machine stator;
Described sweat box (7) controls the temperature in it according to the temperature instruction received.
2. drive motor controller thermal cycling durability proving installation according to claim 1, it is characterized in that: described experimental control device (4) comprises single-chip microcomputer and motor position analogue unit, described single-chip microcomputer is for receiving the instruction of sweat box temperature and being sent to sweat box, receive motor speed instruction and be sent to motor position analogue unit, receive controller output current instruction and be sent to drive motor controller, receive the feedback information of drive motor controller and be sent to host computer, described motor position analogue unit produces motor position signal for receiving motor speed instruction.
3. drive motor controller thermal cycling durability proving installation according to claim 1, is characterized in that: described three phase power inductance (6) is three-phase Y-connection inductance.
4. drive motor controller thermal cycling durability proving installation according to claim 1, is characterized in that: described power supply (2) is the adjustable high-voltage DC power supply of voltage, and its capacity is more than or equal to 1.5 times of drive motor controller peaking capacity.
5. drive motor controller thermal cycling durability proving installation according to claim 1, it is characterized in that: described cooling system comprises cooling water tank (8) and water pump (9), described drive motor controller (1), to be connected by piping loop successively between cooling water tank (8) and water pump (9).
6. drive motor controller thermal cycling durability proving installation according to claim 1, it is characterized in that: also comprise accumulator (3), described accumulator (3) is electrically connected with drive motor controller (1), and accumulator output voltage is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410683415.3A CN104345728B (en) | 2014-11-24 | 2014-11-24 | Drive motor controller thermal cycling durability test device |
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| CN201410683415.3A CN104345728B (en) | 2014-11-24 | 2014-11-24 | Drive motor controller thermal cycling durability test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109029946A (en) * | 2018-06-28 | 2018-12-18 | 联合汽车电子有限公司 | Motor stator durability test apparatus and test method |
| CN110333711A (en) * | 2019-07-03 | 2019-10-15 | 天津中科华盈科技有限公司 | A kind of ageing tester and method for DC brushless motor controller |
| CN112857835A (en) * | 2021-03-08 | 2021-05-28 | 东风汽车集团股份有限公司 | Vehicle-mounted motor controller thermal cycle endurance test device and control method thereof |
| CN114486283A (en) * | 2022-01-05 | 2022-05-13 | 阿尔特汽车技术股份有限公司 | Method and system for testing heat balance of whole vehicle and test bench |
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| CN110333711B (en) * | 2019-07-03 | 2024-02-13 | 天津中科华盈科技有限公司 | Aging testing device and method for direct current brushless motor controller |
| CN112857835A (en) * | 2021-03-08 | 2021-05-28 | 东风汽车集团股份有限公司 | Vehicle-mounted motor controller thermal cycle endurance test device and control method thereof |
| CN114486283A (en) * | 2022-01-05 | 2022-05-13 | 阿尔特汽车技术股份有限公司 | Method and system for testing heat balance of whole vehicle and test bench |
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