CN206038862U - Electric vehicle motor capability test system - Google Patents

Abstract

The utility model discloses an electric vehicle motor capability test system, include motor capability test device and the motor capability test circuit that meets with motor capability test device, motor capability test device includes the testboard base and sets up motor mount pad, linear motion bearing, torque sensor supporting seat and the magnetic powder brake on the testboard base, install electric vehicle motor in the motor mount pad, electric vehicle motor's output shaft meets through the first shaft coupling and the one end of linear motion bearing, the other end of linear motion bearing has met torque sensor through the second shaft coupling, torque sensor's output shaft meets through the input shaft of third shaft coupling with magnetic powder brake. The utility model has the advantages of simple structure and reasonable design, more than one parameter's that can not simultaneous measurement electric vehicle motor problem has been solved to can monitor the axiality in the experimentation, use convenient operation, the practicality is strong, excellent in use effect, convenient to popularize and use.

Description

An electric vehicle motor performance test system

technical field

The utility model belongs to the technical field of motor performance testing, in particular to a motor performance testing system for electric vehicles.

Background technique

As a new means of transportation, electric vehicles have gradually occupied the automotive market. The drive motor system on electric vehicles is the core of the entire electric vehicle. Its basic performance and control directly affect the performance indicators of the whole vehicle. Performance testing is particularly important. Therefore, the test device of the electric vehicle motor is of great significance to the development and application of the electric vehicle controller. The test device can not only help developers and application personnel to analyze some fault phenomena in the process of debugging and application of the motor, but also can make an accurate evaluation of the performance of the motor.

At present, the performance test of the motor is limited to a single technical parameter such as current, torque and voltage, which cannot comprehensively evaluate the performance of the motor. At the same time, the coaxiality cannot be guaranteed during the experiment. Therefore, there is a need for an electric vehicle motor performance test system with simple structure and reasonable design, which can measure multiple parameters of the electric vehicle motor at the same time, and can monitor the coaxiality during the experiment. It is easy to use, strong in practicability, and good in use effect. , which is convenient for promotion and use.

Utility model content

The technical problem to be solved by the utility model is to provide a performance testing system for electric vehicle motors in view of the deficiencies in the above-mentioned prior art, which has a simple structure and reasonable design, and solves the problem that multiple parameters of electric vehicle motors cannot be measured simultaneously In addition, the coaxiality can be monitored during the experiment, and the utility model has the advantages of convenient use and operation, strong practicability, good use effect, and convenient popularization and use.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a motor performance testing system for electric vehicles, characterized in that it includes a motor performance testing device and a motor performance testing circuit connected with the motor performance testing device, the motor The performance testing device comprises a test bench base and a motor mounting seat arranged on the test bench base, a linear motion bearing, a torque sensor support seat and a magnetic powder brake, an electric vehicle motor is installed in the motor mounting seat, and the output of the electric vehicle motor The shaft is connected to the linear motion bearing through the first coupling, the linear motion bearing is connected to the torque sensor through the second coupling, and the output shaft of the torque sensor is connected to the magnetic powder brake through the third coupling, so A first level is installed on the first coupling, a second level is installed on the second coupling, and a third level is installed on the third coupling; the motor performance testing circuit includes a microcontroller and The memory connected with the microcontroller, the input terminal of the microcontroller is connected with a magnetic powder brake controller for providing excitation current to the magnetic powder brake, a torque speed power tester for monitoring the torque of the torque sensor, and a motor for collecting An electrical parameter tester for voltage, current, power and frequency parameters, the output terminal of the microcontroller is connected with a communication module, and the output terminal of the communication module is connected with a display circuit.

The above-mentioned electric vehicle motor performance testing system is characterized in that: a first rotating shaft and a second rotating shaft parallel to each other are rotatably installed on the base of the test bench, and a first moving wheel is fixedly installed on the first rotating shaft. A second moving wheel is fixedly installed on the second rotating shaft, and the number of the first moving wheel and the second moving wheel are both two.

The above electric vehicle motor performance testing system is characterized in that: one side of the base of the test bench is provided with a rotating shaft ferrule matched with the first rotating shaft and a rotating shaft ferrule support frame for supporting the rotating shaft ferrule.

The above-mentioned electric vehicle motor performance testing system is characterized in that: the motor mounting base is provided with a motor card slot that cooperates with the electric vehicle motor.

Compared with the prior art, the utility model has the following advantages:

1. The utility model has the advantages of simple structure, reasonable design, convenient realization, use and operation.

2. The utility model uses a torque sensor to measure the torque, speed and power of the electric vehicle motor, uses a magnetic powder brake to measure the torque of the electric vehicle motor, and uses an electric parameter tester to measure the voltage, current, power and frequency of the electric vehicle motor. Measure multiple parameters of electric vehicle motors.

3. In the utility model, a first level is installed on the first coupling between the motor output shaft and the linear motion bearing, and a second level is installed on the second coupling between the linear motion bearing and the torque sensor. A third level is installed on the third coupling between the torque sensor and the magnetic powder brake to measure the coaxiality, so that the experimenter can easily observe the coaxiality during the experiment and improve the measurement accuracy.

In summary, the utility model has a simple structure and a reasonable design, which solves the problem that multiple parameters of the electric vehicle motor cannot be measured at the same time, and can monitor the coaxiality during the experiment. Well, it is easy to promote and use.

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a rear view of Fig. 1 .

Fig. 3 is a circuit principle block diagram of the motor performance testing circuit of the present invention.

Explanation of reference signs:

1—motor; 2—motor mounting base; 3-1—first level;

3-2—second level; 3-3—third level; 4—linear motion bearing;

5—torque sensor; 6—magnetic powder brake; 7—test bench base;

8-1—the first coupling; 8-2—the second coupling; 8-3—the third coupling;

9—torque sensor support seat; 10—rotating shaft ferrule;

11—rotating shaft ferrule support frame; 12-1—first rotating shaft; 12-2—second rotating shaft;

13-1—the first moving wheel; 13-2—the second moving wheel; 14—the motor card slot.

15—microcontroller; 16—electric parameter tester;

17—magnetic powder brake controller; 18—torque speed power tester;

19—communication module; 20—display circuit; 21—memory.

detailed description

As shown in Fig. 1, Fig. 2 and Fig. 3, the utility model comprises a motor performance testing device and a motor performance testing circuit connected with the motor performance testing device, and the motor performance testing device includes a test bench base 7 and is arranged on a test bench The motor mount 2 on the base 7, the linear motion bearing 4, the torque sensor support base 9 and the magnetic powder brake 6, the electric vehicle motor 1 is installed in the described motor mount 2, and the output shaft of the electric vehicle motor 1 passes through the first The coupling 8-1 is connected with the linear motion bearing 4, the linear motion bearing 4 is connected with the torque sensor 5 through the second coupling 8-2, and the output shaft of the torque sensor 5 is connected through the third coupling 8 -3 is connected with the magnetic powder brake 6, the first coupling 8-1 is equipped with a first level 3-1, the second coupling 8-2 is equipped with a second level 3-2, the first The third level meter 3-3 is installed on the triple coupling 8-3; the motor performance test circuit includes a microcontroller 15 and a memory 21 connected with the microcontroller 15, and the input terminal of the microcontroller 15 is connected to There is a magnetic powder brake controller 17 for providing excitation current to the magnetic powder brake 6, a torque speed power tester 18 for monitoring the torque of the torque sensor 5, and an electrical parameter test for collecting the voltage, current, power and frequency parameters of the motor 1 An instrument 16, the output terminal of the microcontroller 15 is connected with a communication module 19, and the output terminal of the communication module 19 is connected with a display circuit 20.

As shown in Figures 1 and 2, in this embodiment, the first rotating shaft 12-1 and the second rotating shaft 12-2 parallel to each other are rotatably installed on the test bench base 7, and the first rotating shaft 12-1 is A first moving wheel 13-1 is fixedly installed, and a second moving wheel 13-2 is fixedly installed on the second rotating shaft 12-2. The number of the first moving wheel 13-1 and the second moving wheel 13-2 Both are two.

As shown in Figures 1 and 2, in this embodiment, one side of the test bench base 7 is provided with a rotating shaft ferrule 10 matched with the first rotating shaft 12-1 and a rotating shaft ferrule for supporting the rotating shaft ferrule 10 Support frame 11.

As shown in FIG. 2 , in this embodiment, the motor mounting base 2 is provided with a motor clamping slot 14 that cooperates with the electric vehicle motor 1 .

During concrete implementation, adopt torque sensor 5 to measure the torque of electric vehicle motor 1, rotating speed and power, the information measured by torque sensor 5 is transmitted to microcontroller 15 by torque speed power tester 18; Adopt magnetic powder brake 6 to measure electric vehicle The torque of the motor 1 provides the excitation current to the magnetic powder brake 6 through the magnetic powder brake controller 17; the voltage, current, power and frequency of the electric vehicle motor 1 are measured by the electric parameter tester 16, and the voltage, current, power and frequency, etc. The parameters are sent to the microcontroller 15, and the microcontroller 15 sends multiple parameters of the electric vehicle motor 1 to the communication module 19 and the memory 21 at the same time, and the communication module 19 sends multiple parameters to the display circuit 20, which is convenient for the staff to view. On the first coupling 8-1 between the output shaft of the motor 1 and the linear motion bearing 4, a first level meter 3-1 is installed, and the second coupling 8-1 between the linear motion bearing 4 and the torque sensor 5 2, a second level meter 3-2 is installed, and a third level meter 3-3 is installed on the third shaft coupling 8-3 between the torque sensor 5 and the magnetic powder brake 6, which is used to measure the coaxiality, so that During the experiment, it is convenient for the experimenter to observe the coaxiality and improve the measurement accuracy.

The above is only an embodiment of the utility model, and does not limit the utility model in any way. Any simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the utility model still belong to the utility model. Within the scope of protection of new technical solutions.

Claims (4)

1. a kind of motor in electric automobile Performance Test System, it is characterised in that：Including motor performance test device and with motor The motor performance test circuit that energy test device connects, the motor performance test device include testboard base (7) and set Put motor mount (2) on testboard base (7), linear motion bearing (4), torque sensor support base (9) and magnetic Motor in electric automobile (1), the output of motor in electric automobile (1) are installed in brake (6), motor mount (2) Axle is connected with linear motion bearing (4) by first shaft coupling (8-1), linear motion bearing (4) by the second shaft coupling Device (8-2) is connected to torque sensor (5), and the output shaft of torque sensor (5) is by the 3rd shaft coupling (8-3) and magnetic system Dynamic device (6) connect, and are provided with first level instrument (3-1), on second shaft coupling (8-2) on first shaft coupling (8-1) Second level meter (3-2) is installed, the 3rd level meter (3-3) is installed on the 3rd shaft coupling (8-3)；

The memory (21) that the motor performance test circuit is included microcontroller (15) and connected with microcontroller (15), it is described The input of microcontroller (15) is terminated with the magnetic powder brake controller for providing exciting curent to magnetic powder brake (6) (17), for monitoring the torque rotary speed power measuring (18) of torque sensor (5) moment of torsion and for gathering the electricity of motor (1) The electric parameter tester (16) of pressure, electric current, power and frequency parameter, the output of microcontroller (15) are terminated with communication module (19), the output of communication module (19) is terminated with display circuit (20).

2. according to a kind of motor in electric automobile Performance Test System described in claim 1, it is characterised in that：The testboard bottom The first rotating shaft (12-1) and the second rotating shaft (12-2) being parallel to each other, first rotating shaft (12-1) are rotatablely equipped with seat (7) On be installed with the first movable pulley (13-1), be installed with the second movable pulley (13-2) on the second rotating shaft (12-2), The quantity of the first movable pulley (13-1) and the second movable pulley (13-2) is two.

3. according to a kind of motor in electric automobile Performance Test System described in claim 1, it is characterised in that：The testboard bottom The side of seat (7) is provided with the rotating shaft cutting ferrule (10) that coordinates with first rotating shaft (12-1) and for supporting turning for rotating shaft cutting ferrule (10) Axle cutting ferrule bracing frame (11).

4. according to a kind of motor in electric automobile Performance Test System described in claim 1, it is characterised in that：The motor is installed The motor draw-in groove (14) coordinated with motor in electric automobile (1) is provided with seat (2).