CN201796126U - Endurance test device of permanent magnet synchronous motor - Google Patents
Endurance test device of permanent magnet synchronous motor Download PDFInfo
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- CN201796126U CN201796126U CN2010205367902U CN201020536790U CN201796126U CN 201796126 U CN201796126 U CN 201796126U CN 2010205367902 U CN2010205367902 U CN 2010205367902U CN 201020536790 U CN201020536790 U CN 201020536790U CN 201796126 U CN201796126 U CN 201796126U
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Abstract
The utility model relates to an endurance test device of a permanent magnet synchronous motor, which comprises a dynamometer machine and a work applying motor, wherein the dynamometer machine is a load motor, the work applying motor is connected with the load motor to drive the load motor, and the load motor is in circuit connection with the work applying motor to return the electric energy to the work applying motor. Preferably, the work applying motor is connected with the load motor through a diaphragm shaft coupling, a direct current power source is electrically connected with a load motor controller and a work applying motor controller respectively, the load motor controller and the work applying motor controller are connected in parallel, the load motor controller is connected with the load motor through a first DC/AC conversion module circuit, the work applying motor controller is connected with the work applying motor through a second DC/AC conversion module circuit, and the load motor and the work applying motor are two motors of the same specification. The utility model has unique and smart design, can perform the endurance test of the permanent magnet synchronous motor with low energy consumption, low investment cost and high economical and practical effect, and is suitable for large-scale promotion and application.
Description
Technical field
The utility model relates to New-energy electric vehicle drive system technical field, is specifically related to electric automobile kernel component permagnetic synchronous motor technical field, particularly a kind of permagnetic synchronous motor durable test system.
Background technology
Along with environmental issue is more and more paid close attention to by society, fuel-engined vehicle is replaced also becoming megatrend by new-energy automobile, and pure electric automobile has obtained unprecedented opportunity to develop immediately.Electric automobile need have low noise, pollute characteristics such as little.Permagnetic synchronous motor is as the driving core component of electric automobile, and its life-span length determines automobile reliability and permanance.Long duration test how to finish motor under the prerequisite of energy savings just seems extremely important.
The durability test method of traditional permagnetic synchronous motor: A, test motor+(load) electric eddy current dynamometer; B. test motor+(load) electric dynamometer.
Method A: such as the motor that is used for service on buses or trains car 20kw, it is when carrying out durability experiment, and under the rated power condition, it per hour will consume the electric energy of 20kw, and the electric energy that its consumes is all converted to thermal waste by (load) electric eddy current dynamometer and fallen.GB is installed in general motor long duration test all will carry out test in 500 hours continuously, and it will consume the 500X20=10000 degree like this; Testing two motors and will waste 20000 degree electricity, is exactly waste greatly like this, " advocates green living, economize on resources, the low-carbon (LC) life " with the whole people not to be inconsistent.
Method B: though electric dynamometer has been adopted in load, though the electric energy that it consumes can feed back on the electrical network, its economy is that other dynamometer machines are incomparable, though yet saved the energy, produced economic benefit, but costliness when the electric dynamometer initial stage drops into, even homemade electric dynamometer is all wanted more than 1,000,000, to sell how many platform motors like this and just can earn back cost, extremely not calculate.
Therefore, need provide a kind of permagnetic synchronous motor durable test system, it can energy savings in to the permagnetic synchronous motor durable test, and input cost is low, economical and practical.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of permagnetic synchronous motor durable test system is provided, the ingenious uniqueness of this permagnetic synchronous motor durable test system design, in to the permagnetic synchronous motor durable test, can energy savings, and input cost is low, economical and practical, is suitable for large-scale promotion application.
To achieve these goals, permagnetic synchronous motor durable test of the present utility model system has following formation:
This permagnetic synchronous motor durable test system, comprise dynamometer machine and acting motor, be characterized in, described dynamometer machine is a load motor, described acting motor is connected with described load motor and is used to drive described load motor, and described load motor is connected with described acting motor circuit and is used for electricity can be fed back to described acting motor.
Preferably, described permagnetic synchronous motor durable test system also comprises diaphragm coupling, and described acting motor is connected with described load motor by described diaphragm coupling.
Preferably, described permagnetic synchronous motor durable test system also comprises direct supply, load motor controller and acting electric machine controller, described direct supply is electrically connected described load motor controller and described acting electric machine controller respectively, described load motor controller and described acting electric machine controller are arranged in parallel, described load motor controller comprises that first direct current exchanges modular converter, described load motor controller exchanges the modular converter circuit by described first direct current and connects described load motor, described acting electric machine controller comprises that second direct current exchanges modular converter, and described acting electric machine controller exchanges the modular converter circuit by described second direct current and connects described acting motor.
More preferably, described first direct current interchange modular converter exchanges modular converter with described second direct current and is the IGBT module.
More preferably, described load motor controller also comprises the dynamic braking module, and described dynamic braking module exchanges modular converter with described first direct current and is arranged in parallel.
More preferably, described acting electric machine controller also comprises parameter setting module, and described parameter setting module circuit connects described acting motor.
More preferably, described permagnetic synchronous motor durable test system also comprises the unidirectional conducting parts of electric current, and described direct supply is electrically connected described load motor controller and described acting electric machine controller respectively by the unidirectional conducting parts of described electric current.
Further, the unidirectional conducting parts of described electric current are diodes.
Preferably, described load motor is two identical motors with described acting motor.
The beneficial effects of the utility model are:
1, the utility model adopts load motor as dynamometer machine, and the electric energy that sends feeds back to the acting motor, to reach purpose of energy saving, can save the electric energy more than 80%, design ingenious uniqueness, in the permagnetic synchronous motor durable test, can energy savings, be suitable for large-scale promotion application.
2, because the dynamometer system that the motor of the utility model employing oneself and controller have substituted outsourcing has reduced cost, economical and practical, be suitable for large-scale promotion application.
3, load motor of the present utility model can be two identical motors with the acting motor, is equivalent to test simultaneously two motors like this, and efficient is double, thereby can test the reliability of two cover motors and controller system simultaneously, raises the efficiency;
4, the utility model comes setup parameter by the parameter setting module of described acting electric machine controller, thereby control the acting motor movement automatically, can realize that the permanent load/constant speed varying load of constant speed/permanent load/simcity operating mode of speed change and suburb operating mode carry out stress alternation and test, test comprehensively, reliable results is suitable for large-scale promotion application.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the present utility model.
Fig. 2 is the circuit theory diagrams of specific embodiment shown in Figure 1.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Fig. 1-2, permagnetic synchronous motor durable test of the present utility model system comprises dynamometer machine 1 and acting motor 2, described dynamometer machine 1 is a load motor, described acting motor 2 is connected with described load motor and is used to drive described load motor, and described load motor is connected with described acting motor 2 circuit and is used for electricity can be fed back to described acting motor 2.
Described acting motor 2 can be connected with described load motor by any suitable structure.See also shown in Figure 1ly, in specific embodiment of the utility model, described permagnetic synchronous motor durable test system also comprises diaphragm coupling 3, and described acting motor 2 is connected with described load motor by described diaphragm coupling 3.
Thereby specifically how circuit is connected that electricity can be fed back to described acting motor 2 for described load motor and described acting motor 2, and those skilled in the art can adopt any suitable structure.Preferably, described permagnetic synchronous motor durable test system also comprises direct supply 4, load motor controller 5 and acting electric machine controller 6, described direct supply 4 is electrically connected described load motor controller 5 and described acting electric machine controller 6 respectively, described load motor controller 5 and described acting electric machine controller 6 are arranged in parallel, described load motor controller 5 comprises that first direct current exchanges modular converter 51, described load motor controller 5 exchanges modular converter 51 circuit by described first direct current and connects described load motor, described acting electric machine controller 6 comprises that second direct current exchanges modular converter 61, and described acting electric machine controller 6 exchanges modular converter 61 circuit by described second direct current and connects described acting motor 2.See also shown in Figure 2ly, in specific embodiment of the utility model, direct supply 4 is installed in the power cabinet 7.Described first direct current interchange modular converter 51 exchanges modular converter 61 with described second direct current and is the IGBT module.
For first direct current of protecting described load motor controller 5 exchanges the high-voltage breakdown that modular converter 51 is not produced by the sudden change of load motor rotating speed; more preferably; described load motor controller 5 also comprises dynamic braking module 9, and described dynamic braking module 9 exchanges modular converter 51 with described first direct current and is arranged in parallel.See also shown in Fig. 1 and 2, in specific embodiment of the utility model, described dynamic braking module 9 is arranged in parallel with the IGBT module of described load motor controller 5.
For the ease of parameter setting, thereby rotating speed of control acting motor 2 or the like parameter, see also shown in Figure 1, in specific embodiment of the utility model, described acting electric machine controller 6 also comprises the parameter setting module (not shown), and described parameter setting module circuit connects described acting motor 2.
Impact through the DC current of IGBT module converts in order to protect direct supply 4 to avoid the alternating current that load motor sends; more preferably; described permagnetic synchronous motor durable test system also comprises the unidirectional conducting parts 8 of electric current, and described direct supply 4 is electrically connected described load motor controller 5 and described acting electric machine controller 6 respectively by the unidirectional conducting parts 8 of described electric current.See also shown in Figure 2ly, in specific embodiment of the utility model, the unidirectional conducting parts 8 of described electric current are diodes.
Described load motor can be different motors with described acting motor 2, can be identical motor also, sees also shown in Figure 1ly, and in specific embodiment of the utility model, described load motor is two identical motors with described acting motor 2.
During use, direct supply 4 provides the direct current of 320VDC to acting electric machine controller 6 (acting electric machine controller 6 itself need provide the 12VDC power supply), IGBT module by acting electric machine controller 6 the insides, allow direct current change three-phase alternating current into, offer acting motor 2 (be drive motor, that is to say the test motor), the alternating magnetic fields that is equivalent to produce, allow the acting motor 2 under the instruction of host computer, under a certain load with certain rotational speed; The motor 2 that does work simultaneously drives load motor (generator) by diaphragm coupling 3 and rotates with same speed, load motor just is equivalent to a generator (for der Geschwindigkeitkreis control) and produces voltage simultaneously, the alternating voltage that it produces becomes direct current VDC to pass through to the loop by the IGBT module converts of load motor controller 5 the insides, and direct supply 4 is added to; In order to protect direct supply 4; diode (diode forward conducting of cathode output end series connection at direct supply 4; oppositely by) allow the electric current from load motor controller 5 can not flow to direct supply 4; it must flow to acting electric machine controller 6; allow it offer acting motor 2; allow its work, so just saved the energy.
The DC terminal parallel connection of acting electric machine controller 5 and load motor controller 6; If load motor (generator) is because the rotating speed sudden change produces action of high voltage to load motor controller 6; in order to protect its IGBT module not to be broken down by high-voltage; in its loop in parallel " dynamic braking " system (being energy consumption brake module 9): promptly when voltage during above setting value (such as 330VDC); it will connect the dynamic braking resistance of series connection with it moment; consume too much high pressure, thus protection system.
Therefore, the utility model provides a cover complete permagnetic synchronous motor viability pilot system, it adopts a cover controller and motor to be used for acting (torque ring), an other cover controller and motor are used for load (der Geschwindigkeitkreis), the electric energy that load motor sends feeds back to acting motor 2, to reach purpose of energy saving.
Adopt the motor of the utility model test 20kw, the motor 2 that promptly does work is the motor of 20kw, and the test data sheet data are:
1) rotating speed: 2500rpm/min torque: 75Nm power: 20kw
2) the following numerical value of loss: 3.36kw/h (mean value) is mean value
Torque loop systems (5# motor, 15# controller): bus current: 70.1A, A phase current 82.8A, B phase current 84.8A, C phase current 80.0A;
Torque loop systems (7# motor, 14# controller): bus current: 59.2A, A phase current 83.7A, B phase current 83.5A, C phase current 83.5A.
Thereby, only need provide (70.1-59.2) A*320V/1000=3.488kw; Saves energy efficient is: (20-3.488)/20*100=82.56%),
To sum up, the ingenious uniqueness of permagnetic synchronous motor durable test of the present utility model system design, in to the permagnetic synchronous motor durable test, can energy savings, and input cost is low, economical and practical, is suitable for large-scale promotion application.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (9)
1. permagnetic synchronous motor durable test system, comprise dynamometer machine and acting motor, it is characterized in that, described dynamometer machine is a load motor, described acting motor is connected with described load motor and is used to drive described load motor, and described load motor is connected with described acting motor circuit and is used for electricity can be fed back to described acting motor.
2. permagnetic synchronous motor durable test according to claim 1 system is characterized in that, described permagnetic synchronous motor durable test system also comprises diaphragm coupling, and described acting motor is connected with described load motor by described diaphragm coupling.
3. permagnetic synchronous motor durable test according to claim 1 system, it is characterized in that, described permagnetic synchronous motor durable test system also comprises direct supply, load motor controller and acting electric machine controller, described direct supply is electrically connected described load motor controller and described acting electric machine controller respectively, described load motor controller and described acting electric machine controller are arranged in parallel, described load motor controller comprises that first direct current exchanges modular converter, described load motor controller exchanges the modular converter circuit by described first direct current and connects described load motor, described acting electric machine controller comprises that second direct current exchanges modular converter, and described acting electric machine controller exchanges the modular converter circuit by described second direct current and connects described acting motor.
4. permagnetic synchronous motor durable test according to claim 3 system is characterized in that, described first direct current exchanges modular converter and exchanges modular converter with described second direct current and be the IGBT module.
5. permagnetic synchronous motor durable test according to claim 3 system is characterized in that described load motor controller also comprises the dynamic braking module, and described dynamic braking module exchanges modular converter with described first direct current and is arranged in parallel.
6. permagnetic synchronous motor durable test according to claim 3 system is characterized in that described acting electric machine controller also comprises parameter setting module, and described parameter setting module circuit connects described acting motor.
7. permagnetic synchronous motor durable test according to claim 3 system, it is characterized in that, described permagnetic synchronous motor durable test system also comprises the unidirectional conducting parts of electric current, and described direct supply is electrically connected described load motor controller and described acting electric machine controller respectively by the unidirectional conducting parts of described electric current.
8. permagnetic synchronous motor durable test according to claim 7 system is characterized in that the unidirectional conducting parts of described electric current are diodes.
9. permagnetic synchronous motor durable test according to claim 1 system is characterized in that described load motor is two identical motors with described acting motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205367902U CN201796126U (en) | 2010-09-20 | 2010-09-20 | Endurance test device of permanent magnet synchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205367902U CN201796126U (en) | 2010-09-20 | 2010-09-20 | Endurance test device of permanent magnet synchronous motor |
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| CN201796126U true CN201796126U (en) | 2011-04-13 |
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| CN2010205367902U Expired - Fee Related CN201796126U (en) | 2010-09-20 | 2010-09-20 | Endurance test device of permanent magnet synchronous motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340232A (en) * | 2011-07-19 | 2012-02-01 | 无锡市中惠橡胶科技有限公司 | Alternating-current (AC) self-sealing energy-saving system for tape fatigue tester |
| CN102589892A (en) * | 2012-03-08 | 2012-07-18 | 浙江沪龙电机有限公司 | Testing system of alternating-current servo permanent magnet synchronous motor |
| CN103163460A (en) * | 2013-02-05 | 2013-06-19 | 安徽中家智锐科技有限公司 | Motor twin trawling platform used for motor test |
| CN103235261A (en) * | 2013-04-22 | 2013-08-07 | 联合汽车电子有限公司 | System and method thereof for testing endurance of symmetrical motor |
| CN104597399A (en) * | 2015-01-29 | 2015-05-06 | 重庆长安汽车股份有限公司 | Method for determining test time of integrated AC generator stand test of engine |
| CN107102262A (en) * | 2017-04-28 | 2017-08-29 | 华中科技大学 | A kind of linear motor performance test device and its control method |
-
2010
- 2010-09-20 CN CN2010205367902U patent/CN201796126U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340232A (en) * | 2011-07-19 | 2012-02-01 | 无锡市中惠橡胶科技有限公司 | Alternating-current (AC) self-sealing energy-saving system for tape fatigue tester |
| CN102589892A (en) * | 2012-03-08 | 2012-07-18 | 浙江沪龙电机有限公司 | Testing system of alternating-current servo permanent magnet synchronous motor |
| CN102589892B (en) * | 2012-03-08 | 2015-06-17 | 浙江沪龙电机有限公司 | Testing system of alternating-current servo permanent magnet synchronous motor |
| CN103163460A (en) * | 2013-02-05 | 2013-06-19 | 安徽中家智锐科技有限公司 | Motor twin trawling platform used for motor test |
| CN103235261A (en) * | 2013-04-22 | 2013-08-07 | 联合汽车电子有限公司 | System and method thereof for testing endurance of symmetrical motor |
| CN104597399A (en) * | 2015-01-29 | 2015-05-06 | 重庆长安汽车股份有限公司 | Method for determining test time of integrated AC generator stand test of engine |
| CN104597399B (en) * | 2015-01-29 | 2017-05-03 | 重庆长安汽车股份有限公司 | Method for determining test time of integrated AC generator stand test of engine |
| CN107102262A (en) * | 2017-04-28 | 2017-08-29 | 华中科技大学 | A kind of linear motor performance test device and its control method |
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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: 20110413 Termination date: 20170920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |