Integrated small motor twin trawling test system

Abstract

The utility model discloses an integrated miniature motor twin trawling test system, which comprises a mounting platform plate, and two controllers, two potentiometers and a support are mounted on the upper end face of the mounting platform plate. One side of the support is fixedly provided with a load motor, and the other side of the support is used for installing a tested motor. The support is of a hollow-out structure, and a double-diaphragm coupling used for connecting the on-load motor and the tested motor is arranged in a hollow-out area. A direct-current power supply and two brake resistors are fixed on the lower end surface of the mounting platform plate; the two controllers are respectively connected with the on-load motor and the tested motor, and are respectively connected with the DC power supply through the corresponding potentiometers and the brake resistors. According to the utility model, the use of a large number of sensors and communication cables can be reduced, and an industrial personal computer with a larger volume is not needed, so that the volume of the whole test system is reduced, and the test system is convenient to carry.

Description

Technical Field

[0001] The utility model belongs to the field of motor testing equipment, and particularly relates to an integrated small motor counter-rotating test system. Background Art

[0002] With the rapid development and progress of motor and electronic control technologies, motors and controllers of the same power level pursue higher power densities and smaller volumes, which makes it possible for motor test systems to develop in a lightweight and integrated direction. At the same time, their control, communication programs, and algorithms are becoming more perfect, and through the combination of software and hardware of the motor controller and the upper computer, instruments and equipment such as electrical parameter test systems and torque sensors can be removed.

[0003] For example, the Chinese patent document with the publication number CN209624741U discloses a new energy motor counter-rotating test system, which includes a main controller, a tested motor controller, a load motor controller, and a torque measuring instrument all connected to the main controller, a DC regulated power supply module connected in series between the tested motor controller and the load motor controller, a load motor connected to the load motor controller, a torque sensor connected to the rotating shaft of the load motor, and a signal processor connected in series between the torque sensor and the torque measuring instrument.

[0004] Existing motor counter-rotating test systems on the market generally only meet the use and testing in fixed locations and spaces. They include a lot of instruments and equipment, are large in volume and weight, and require a lot of manpower and material resources to move.

[0005] Generally, a motor test system is divided into an electric control cabinet and a test platform. More specifically, the electric control cabinet includes a power supply system, a control system, a programmable controller, an industrial computer, an electrical parameter test system, and a computer; the test platform includes an installation base plate, mounting brackets for multiple instruments and equipment, a torque and speed sensor, and a loading system. All of the above also include a large number of cable wires and communication wires, which occupy a large space and have low system efficiency. Content of the Utility Model

[0006] The utility model provides an integrated small motor counter-rotating test system, which can reduce the use of a large number of sensors and communication cables, and does not require the use of an industrial computer with a large volume, thereby reducing the volume of the entire test system and facilitating carrying.

[0007] An integrated small motor counter-rotating test system includes an installation platform plate, and 2 controllers, 2 potentiometers, and 1 bracket are installed on the upper end surface of the installation platform plate;

[0008] A load motor is fixed on one side of the bracket, and the motor under test is installed on the other side; the bracket adopts a hollow structure, and a double diaphragm coupling for connecting the load motor and the motor under test is arranged in the hollow area;

[0009] A DC power supply and two braking resistors are fixed to the lower end face of the installation platform plate; two controllers are respectively connected to the load motor and the motor under test, and are respectively connected to the DC power supply through corresponding potentiometers and braking resistors.

[0010] Further, two mounting brackets are fixed to the installation platform plate, two potentiometers are respectively fixed to the two mounting brackets, and two controllers are respectively fixed to the installation platform plate below the two potentiometers.

[0011] Further, pedestal feet are provided at the four corners of the lower end face of the installation platform plate.

[0012] Further, a transparent protective plate is installed at the hollow part of the bracket.

[0013] Further, the two controllers are connected to the upper computer by wire or wirelessly. The test parameters can be read through the upper computer and the control program of the controller can be modified. The control modes of the controllers are respectively speed control and torque control according to different written programs, which are respectively used to control the load motor and the motor under test.

[0014] Further, the bracket is installed at the middle position at the rear of the installation platform plate, and two controllers and two potentiometers are all installed at the front position of the installation platform plate, and are respectively installed on the left and right sides of the installation platform plate.

[0015] Further, a number of installation holes and threaded holes for connecting with other equipment and instruments are machined on the installation platform plate, serving as the installation base parts of the whole test system. Other equipment and instruments are directly installed on this platform plate or together with other parts.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model collects and calculates the electrical parameters, and the feedback torque and speed data through the hardware in the controller and the upper computer software, so there is no need to install an additional electrical parameter test system or a power analyzer and a corresponding number of sensors, thus greatly reducing the volume of the whole test system.

[0018] 2. Through a reasonable structural layout, the utility model integrates components, equipment and instruments into a test system that is convenient for movement, carrying and transportation, breaking the problem that the traditional motor back-to-back test system can only be used and tested at a fixed location and space, and can meet the requirements of miniaturization and portability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the overall structure diagram of an integrated small motor back-to-back test system of the utility model;

[0020] Figure 2This is a structural diagram of another angle of an integrated small motor counter-rotation test system of the present utility model.

[0021] In the figure: 1. Installation platform plate; 2. Controller; 3. Mounting frame; 4. Potentiometer; 5. Load motor; 6. Bracket; 7. Transparent protective plate; 8. Double diaphragm coupling; 9. DC power supply; 10. Braking resistor; 11. Bench base feet; 12. Motor under test. Specific embodiments

[0022] The following further describes the present utility model in detail with reference to the drawings and embodiments. It should be noted that the following embodiments are intended to facilitate the understanding of the present utility model and do not limit it in any way.

[0023] As Figure 1 and Figure 2 shown, an integrated small motor counter-rotation test system includes an installation platform plate 1, and two controllers 2, two potentiometers 4 and a bracket 6 are installed on the upper end surface of the installation platform plate 1.

[0024] The bracket 6 is an integrated bracket, with a load motor 5 fixed on one side and used for installing the motor under test 12 on the other side. In this embodiment, the load motor 5 and the motor under test 12 are small three-phase permanent magnet motors, and actually other small motors can also be used.

[0025] To facilitate observing the operating state of the system, especially the operating state of the motor, the bracket 6 adopts a hollow structure, and a double diaphragm coupling 8 for connecting the output shafts of the load motor 5 and the motor under test 12 is arranged in the hollow area. At the same time, in order to prevent rotating parts from flying out accidentally, a transparent protective plate 7 is set at the hollow part.

[0026] The present utility model processes a number of installation holes and threaded holes for connecting with other equipment and instruments on the installation platform plate 1 as the installation base parts of the whole test system. Other equipment and instruments are directly installed on this platform plate or installed together with other parts.

[0027] To increase the overall space utilization rate, a DC power supply 9 and two braking resistors 10 are fixed on the lower end surface of the installation platform plate 1 and installed on one side with the bench base feet 11. At the same time, two mounting frames 3 are fixed on the installation platform plate 1, two potentiometers 4 are respectively fixed on the two mounting frames 3, and two controllers 2 are respectively fixed on the installation platform plate 1 below the two potentiometers 4.

[0028] The bracket 3 is installed at the middle position of the rear part of the installation platform plate 1, and the two controllers 2 and the two potentiometers 4 are all installed at the front part of the installation platform plate 1 and are respectively installed on the left and right sides of the installation platform plate 1.

[0029] With the above reasonable structural layout, the present utility model integrates components and equipment into a test system that is convenient for movement, carrying, and transportation.

[0030] In the present utility model, two controllers 2 are respectively connected to the load motor 5 and the motor under test 12, and are respectively connected to the DC power supply 9 through the corresponding potentiometers 4 and braking resistors 10. The control modes of the controllers are respectively speed control and torque control according to different written programs, and are respectively used to control the load motor 5 and the motor under test 12.

[0031] The two controllers 2 are connected to the upper computer by wire or wirelessly. The electrical parameter acquisition, calculation, and the feedback torque and speed data are acquired and calculated through the hardware in the controller 2 and the software of the upper computer. There is no need to additionally install an electrical parameter test system or a power analyzer and corresponding multiple sensors.

[0032] The present utility model combines software and hardware, saves the electrical parameter test system and torque sensors in the traditional motor test system, and thus can reduce the use of a large number of sensors and communication cables; there is no need to use an industrial control computer with a large volume, and a laptop computer (upper computer) is used to replace its function; the control cabinet and the test bench are integrated, greatly saving the use of control cables and communication cables.

[0033] The above-described embodiments have detailed the technical solutions and beneficial effects of the present utility model. It should be understood that the above are only specific embodiments of the present utility model and are not used to limit the present utility model. Any modification, supplement, and equivalent replacement made within the principle scope of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An integrated small motor counter-rotating test system, characterized in that It includes an installation platform plate, on the upper end surface of which there are installed 2 controllers, 2 potentiometers and 1 bracket; A load-carrying motor is fixed on one side of the bracket, and the other side is used for installing the motor under test; the bracket adopts a hollow structure, and a double diaphragm coupling for connecting the load-carrying motor and the motor under test is arranged in the hollow area; One DC power supply and 2 braking resistors are fixed on the lower end surface of the installation platform plate; the 2 controllers are respectively connected to the load-carrying motor and the motor under test, and are respectively connected to the DC power supply through the corresponding potentiometers and braking resistors.

2. The integrated small motor counter-rotating test system according to claim 1, characterized in that 2 mounting brackets are fixed on the installation platform plate, the 2 potentiometers are respectively fixed on the 2 mounting brackets, and the 2 controllers are respectively fixed on the installation platform plate below the 2 potentiometers.

3. The integrated small motor counter-rotating test system according to claim 1, characterized in that There are bench feet at the four corners of the lower end surface of the installation platform plate.

4. The integrated small motor counter-rotating test system according to claim 1, characterized in that, A transparent protective plate is installed at the hollow part of the bracket.

5. The integrated small motor counter-rotating test system according to claim 1, characterized in that The 2 controllers are connected to the upper computer by wire or wirelessly.

6. The integrated small motor counter-rotating test system according to claim 1, characterized in that, The bracket is installed at the middle position at the rear of the installation platform plate, and the 2 controllers and the 2 potentiometers are all installed at the front position of the installation platform plate, and are respectively installed on the left and right sides of the installation platform plate.

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