CN211180116U - A new energy motor power measurement and control bench - Google Patents

Abstract

The utility model discloses a new energy motor power measurement and control bench, comprising an integral base (1), a tested motor base (2) and a dynamometer base (3) arranged on the integral base (1); A test motor support (4) is arranged on the test motor base (2), and a dynamometer, a torque sensor (6), a bearing seat (7) and a connection to the test motor are fixedly arranged on the dynamometer base (3). (9) Multiple couplings (8) of the rotating shaft and the bearing seat (7), the bearing seat (7) and the torque sensor (6), the torque sensor (6) and the dynamometer (5). The utility model separates the tested motor base (2) from the dynamometer base (3) on the integral base, and at the same time, by arranging a torque sensor (6), a temperature sensor and a vibration sensor, the rotational speed, Torque, operating temperature and vibration amplitude are monitored.

Description

A new energy motor power measurement and control bench

technical field

The utility model relates to the field of intelligent measurement and control, in particular to a new energy motor power measurement and control platform.

Background technique

With the rapid development of the driving application industry (such as automobiles, energy-consuming equipment, etc.), the market has higher and higher requirements for motor performance, and the motor is an important equipment in industrial production. The quality of its performance directly affects the production machinery. It is very important for a large-scale enterprise to have an advanced and complete test system in the running state. Therefore, in order to improve the performance of the motor, the performance inspection after the motor is sampled is particularly important. When testing the performance of the motor prototype, the conventional method is to use a test bench to test the performance of the prototype, but the test bench generally needs to be purchased externally, and the purchase and maintenance prices are relatively expensive, and the test accuracy of the existing test bench is not high. high, the performance test results of the motor are often unconvincing.

Utility model content

The purpose of the present utility model is to propose a new energy motor power measurement and control platform in view of the above problems.

A new energy motor power measurement and control bench includes an integral base, a tested motor base and a dynamometer base arranged on the integral base; the tested motor base is provided with a tested motor support, and the dynamometer base A dynamometer, a torque sensor, a bearing seat and a plurality of couplings connecting the rotating shaft of the motor under test and the bearing seat, the bearing seat and the torque sensor, and the torque sensor and the rotating shaft of the dynamometer are fixedly arranged on the upper part.

Further, the overall base is provided with a T-slot, and the motor support under test realizes the loading and removal of the motor under test through the centering device provided on the base of the motor under test and the guide rails on the base.

Further, between the torque sensor and the rotating shaft of the dynamometer, a blocking device for motor blocking test is also arranged.

Further, the base of the dynamometer is also provided with a protective cover for protecting the torque sensor and the blocking device on the rotating shaft of the dynamometer.

Further, a data acquisition device including a vibration sensor and a temperature sensor is also installed on the motor support under test.

Further, the dynamometer base and the overall base, the dynamometer and the dynamometer base, and the tested motor support and the tested motor base are all connected by threads.

Beneficial effects of the utility model: The utility model separates the base of the motor under test from the base of the dynamometer on the overall base, sets a centering device on the base of the motor under test, and realizes the under test by cooperating with the T-slot on the overall base The motor is easy to load and disassemble, and the speed, torque, operating temperature and vibration parameters of the motor under test can be monitored by setting the torque sensor, temperature sensor and vibration sensor. Compared with the existing test bench solution, the structure is simple, the operation is convenient, the efficiency of motor testing is improved, and the production progress of the product is accelerated.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic diagram of the overall structure of the utility model after the protective cover is installed.

FIG. 3 is a schematic diagram of the three-dimensional structure of the present invention.

In the picture: overall base-1; tested motor base-2; dynamometer base-3; tested motor support-4; dynamometer-5; torque sensor-6; bearing seat-7; coupling-8 ; Tested motor-9; Stall device-10; Protective cover-11.

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described with reference to the accompanying drawings.

In this embodiment, as shown in FIG. 1 , a new energy motor power measurement and control bench includes an integral base 1 , a tested motor base 2 and a dynamometer base 3 arranged on the integral base 1 ; the tested motor The base 2 is provided with a tested motor support 4, and the dynamometer base 3 is fixedly provided with a dynamometer, a torque sensor 6, a bearing seat 7, and is connected to the tested motor 9. The rotating shaft and the bearing seat 7, the bearing seat 7 and the torque The sensor 6 , the torque sensor 6 and a plurality of couplings 8 of the rotating shaft of the dynamometer 5 .

Preferably, the overall base 1 is made of Q235A steel plate welded with IT8 grade precision, which is used to install the dynamometer, torque sensor 6 and bearing seat 7, and the top surface of the platform is provided with a T-slot of 4.0m×1.4m×0.30m , the motor under test bracket 4 realizes the loading and removal of the motor under test 9 through the centering device provided on the base 2 of the motor under test and the T-shaped slot on the overall base 1 .

Preferably, between the torque sensor 6 and the rotating shaft of the dynamometer, a blocking device 10 for the motor blocking test is also arranged, and the bench can complete the blocking test of the motor test standard and the zero-speed locking work. When the motor is in the driving state, the motor can be locked by 5 evenly distributed locked rotor points. The output shaft can be locked according to different angles, and the speed and torque parameters of the motor when the motor is locked can be monitored through the set torque sensor 6.

Preferably, the dynamometer base 3 is further provided with a protective cover 11 for protecting the torque sensor 6 on the rotating shaft of the dynamometer 5 and the locking device 10 .

Preferably, the motor support 4 under test can be driven and adjusted by the hand wheel to move the base 2 of the motor under test on the guide rail forward and backward, which can realize the rapid combination and separation of the motor coupling 8 under test and the rotating shaft of the dynamometer. The bolts are locked in position to ensure no displacement during testing.

Its installation steps include:

1. Install the motor under test on the bracket:

2. Move the motor under test to the centering end of the dynamometer by turning the handwheel, adjust the centering of the shaft system and lock it;

3. Install the protective cover;

4. Start, run and test;

Advantages of the stand:

The motor bracket 4 under test can be moved quickly, the same test piece can shorten the time for adjusting the concentricity of the coupling 8, and the clamping is completed in one time, which greatly reduces labor intensity, saves time, and improves efficiency.

Preferably, the torque sensor 6 adopts the data torque sensor 6 of the HBM T40B model, the torque measurement range can reach 5000 [N.m], the torque measurement accuracy is ≤±0.05%F.S, and the allowable speed range can reach 12000 [r/min].

Preferably, a data acquisition device including a vibration sensor and a temperature sensor is also installed on the motor support 4 under test.

Preferably, the dynamometer base 3 and the overall base 1 , the dynamometer and the dynamometer base 3 , and the tested motor support 4 and the tested motor base 2 are all connected by screws.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A new energy motor power measurement and control bench, characterized in that it comprises an integral base (1), a tested motor base (2) and a dynamometer base (3) arranged on the integral base (1); the The tested motor base (2) is provided with a tested motor support (4), and the dynamometer base (3) is fixedly provided with a dynamometer, a torque sensor (6), a bearing seat (7) and a connection to be tested A plurality of couplings (8) of the rotating shaft of the motor (9) and the bearing seat (7), the bearing seat (7) and the torque sensor (6), the torque sensor (6) and the rotating shaft of the dynamometer (5). 2. A new energy motor power measurement and control bench according to claim 1, characterized in that, the integral base (1) is provided with a T-slot, and the motor support (4) to be tested passes through the motor base to be tested. The centering device set on (2) and the guide rail on the overall base (1) realize the loading and dismounting of the motor under test. 3. A new energy motor power measurement and control bench according to claim 1, characterized in that, between the torque sensor (6) and the rotating shaft of the dynamometer (5) is also provided with a motor stall test Stall device (10). 4. A new energy motor power measurement and control bench according to claim 3, characterized in that, the dynamometer base (3) is further provided with a torque sensor for measuring the rotating shaft of the dynamometer (5). (6) A protective cover (11) for protection with the blocking device (10). 5. A new energy motor power measurement and control bench according to claim 1, characterized in that, a data acquisition device including a vibration sensor and a temperature sensor is also installed on the said motor support (4) under test. 6. A new energy motor power measurement and control bench according to claim 1, characterized in that the dynamometer base (3) and the overall base (1), the dynamometer and the dynamometer base (3) ) and the tested motor bracket (4) and the tested motor base (2) are all connected with screws.

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