Atmosphere type motor environment adaptability test system and test method

Abstract

The invention discloses an atmosphere type motor environment adaptability test system and method, the test system comprises a transparent box body, a torque rotating speed detection module, a loading module and a workbench, and a tested motor is assembled in the transparent box body through a pose adjustment module; the torque rotating speed detection module and the loading module are assembled on a workbench outside the transparent box body. The testing method comprises the following steps: step 1, installing a tested motor on the pose adjusting module in an inner cavity of the transparent box body; step 2, debugging the tested motor; thirdly, it is guaranteed that an inner cavity of the transparent box is filled with gas; 4, ensuring that the temperature of the tested motor is consistent with the environment temperature; 5, recording data output by the torque rotating speed detection module; step 6, obtaining performance data of the tested motor; and 7, dismounting the tested motor. The beneficial effects are that the structure is simple, the operation is convenient, and an efficient and reliable solution is provided for solving the problem that the motor performance is difficult to accurately test under the extreme temperature condition in the prior art.

Description

Technical Field

[0001] The present invention relates to a motor environmental adaptability testing system and testing method, and in particular to an atmosphere-type motor environmental adaptability testing system and testing method. Background Art

[0002] With the rapid development of modern technology, the demand for drive devices that can operate stably under extreme temperature conditions is increasing. However, when affected by high and low temperature environments, drive devices can experience performance degradation or even malfunction. Therefore, the proposed motor environmental adaptability testing system and method is of great significance for exploring the mechanism of motor performance degradation under temperature influence and testing whether a motor can withstand specific temperature environments. Summary of the Invention

[0003] The main purpose of the present invention is to explore the mechanism of motor performance degradation under the influence of temperature and test whether the motor can withstand a specific temperature environment, and to provide an atmosphere-type motor environmental adaptability test system and test method.

[0004] The atmospheric motor environmental adaptability test system provided by the present invention includes a transparent box, a torque and speed detection module, a loading module and a workbench, wherein the motor to be tested is assembled in the transparent box through the posture adjustment module, the torque and speed detection module and the loading module are assembled on the workbench outside the transparent box, and the motor to be tested is coaxially connected to the torque and speed detection module and the loading module in sequence.

[0005] The transparent box is a sealed box, which is surrounded by acrylic panels. The top cover of the transparent box is equipped with a bimetallic thermometer. High-temperature nitrogen channels are provided on both sides of the bimetallic thermometer. The upper front end of the transparent box is equipped with two buckle locks. The lower parts of the two sides of the transparent box are respectively equipped with low-temperature nitrogen channels. The rear end of the transparent box is equipped with two aviation plugs and sockets. A transmission shaft interface is provided on the upper part of the right side wall of the transparent box. The bimetallic thermometer, high-temperature nitrogen channel, low-temperature nitrogen channel, aviation plug and socket, and transmission shaft interface are all sealed and connected to the transparent box.

[0006] The posture adjustment module includes a moving mechanism and a lifting mechanism, which can drive the motor under test to move and lift on a set track. The moving mechanism includes a moving platform, a first slide rail and a first ball screw. The moving platform is screwed to the first ball screw, and the first ball screw is connected to the first drive motor. The first ball screw drives the moving platform to move under the drive of the first drive motor. There are two first slide rails, and the two first slide rails are assembled on the top of the moving platform. The motor under test is assembled on the two first slide rails through a connecting plate. The moving platform can drive the motor under test to move along the two first slide rails during movement; the lifting mechanism includes a first support rod, a second support rod, a second ball screw and a second slide rail, wherein the first support rod and the second support rod are both provided with two, and the tail ends of the two first support rods and the two second support rods are both The connecting shaft is fixedly connected, and the adjacent first support rods and the second support rods are pivotally connected. The two first support rods and the two second support rods form two groups of scissor-type lifting frames. The tail ends of the two groups of scissor-type lifting frames are pivotally connected to the fixed frame on the base plate. The second ball screw is screwed with a slider. There are two second slide rails. The two ends of the slider are respectively connected to the two second slide rails. The second ball screw is connected to the second driving motor. The second ball screw can drive the slider to move along the two second slide rails under the drive of the second driving motor. The head ends of the two first support rods are pivotally connected to the slider. During the movement of the slider, the two first support rods can be driven to lift and lower, so that the two second support rods are lifted and lowered synchronously. The head ends of the two second support rods are pivotally connected to the two third slide rails at the bottom of the moving platform. During the lifting process of the two second support rods, the moving platform is driven to lift and lower synchronously.

[0007] The present invention provides an ambient motor environmental adaptability testing method, which includes the following steps:

[0008] Step 1: Open the buckle lock on the front face of the transparent box, install the motor under test on the posture adjustment module in the inner cavity of the transparent box, adjust the position of the motor under test so that the motor under test is coaxially connected to the torque and speed detection module and the loading module on the workbench, connect the control signal line of the motor under test to the aviation plug socket, and then lock the buckle lock on the front face of the transparent box;

[0009] Step 2: Debug the motor under test, observe whether the motor under test can rotate normally, check whether the loading module can provide resistance torque normally, and check whether the torque and speed detection module can output test signals normally;

[0010] Step 3: Open the high-temperature nitrogen channel or the low-temperature nitrogen channel according to the temperature environment requirements and introduce high-temperature or low-temperature nitrogen into the transparent box to ensure that the gas fills the inner cavity of the transparent box;

[0011] Step 4. Observe the value displayed on the bimetallic thermometer. When the target temperature is reached, reduce the input of the high-temperature nitrogen channel or the low-temperature nitrogen channel to reduce the disturbance of the gas flow on the motor under test. Wait 20 minutes after the bimetallic thermometer reaches the target temperature to ensure that the temperature of the motor under test is consistent with the ambient temperature.

[0012] Step 5: Adjust the loading module to the required load, start the motor under test, and record the data output by the torque and speed detection module;

[0013] Step 6: According to the test plan, adjust the load level, control parameters of the motor under test, and temperature level to obtain the performance data of the motor under test;

[0014] Step 7: Turn off the motor under test, the loading module, and the torque and speed detection module, disconnect the external nitrogen supply, and disassemble the motor under test after the temperature of the transparent box returns to room temperature.

[0015] The above-mentioned torque and speed detection module, loading module, motor under test, aviation plug and socket, first drive motor and second drive motor are all assemblies of existing equipment, so the specific models and specifications are not described in detail.

[0016] Beneficial effects of the present invention:

[0017] The atmosphere-type motor environmental adaptability test system and test method provided by the present invention utilizes nitrogen of different temperatures to circulate inside a transparent box to achieve a change in the ambient temperature of the motor under test, and at the same time utilizes a two-degree-of-freedom motor displacement device to realize the movement of the motor under test in the internal space of the transparent box, and to achieve centering with the transmission shaft interface on the right side of the transparent box, thereby more accurately connecting the motor under test to the transmission shaft. The performance parameters of the motor under test are then measured by an external speed detection component to measure the speed and angular displacement information of the motor under test, and the torque of the motor under test is measured by a torque detection component, and a load component is connected to the rightmost end of the workbench as a simulated load for the motor under test in the actual use environment. The present invention has a simple structure and is easy to operate, and provides an efficient and reliable solution to the problem in the prior art that it is difficult to accurately test motor performance under extreme temperature conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the motor environmental adaptability testing system described in the present invention.

[0019] Figure 2 This is a structural schematic diagram of the moving mechanism and lifting mechanism of the support posture adjustment module described in the present invention.

[0020] Figure 3 This is a schematic structural diagram of the mobile mechanism of the present invention.

[0021] Figure 4It is a schematic structural diagram of the lifting mechanism of the present invention.

[0022] The annotations in the above figure are as follows:

[0023] 1. Transparent box 2. Torque and speed detection module 3. Loading module 4. Workbench

[0024] 5. Motor under test 6. Posture adjustment module 7. Bimetallic thermometer 8. High-temperature nitrogen channel 9. Buckle lock 10. Low-temperature nitrogen channel 11. Aviation plug and socket 12. Drive shaft

[0025] 13. Moving platform 14. First slide rail 15. First ball screw 16. First drive motor

[0026] 17, connecting plate 18, first support rod 19, second support rod 20, second ball screw

[0027] 21, second slide rail 22, connecting shaft 23, bottom plate 24, fixing frame 25, slider

[0028] 26. Second drive motor 27. Third slide rail. DETAILED DESCRIPTION

[0029] See also Figures 1 to 4 As shown:

[0030] The atmospheric motor environmental adaptability test system provided by the present invention includes a transparent box 1, a torque and speed detection module 2, a loading module 3 and a workbench 4, wherein the motor to be tested 5 is assembled in the transparent box 1 through a posture adjustment module 6, the torque and speed detection module 2 and the loading module 3 are assembled on the workbench 4 outside the transparent box 1, and the motor to be tested 5 is coaxially connected to the torque and speed detection module 2 and the loading module 3 in sequence.

[0031] The transparent box 1 is a sealed box, which is surrounded by acrylic plates. The top cover of the transparent box 1 is equipped with a bimetallic thermometer 7, and high-temperature nitrogen channels 8 are provided on both sides of the bimetallic thermometer 7. The upper part of the front end surface of the transparent box 1 is equipped with two buckle locks 9, and the lower parts of the two side surfaces of the transparent box 1 are respectively equipped with low-temperature nitrogen channels 10. The rear end surface of the transparent box 1 is equipped with two aviation plugs and sockets 11. The upper part of the right side wall of the transparent box 1 is provided with a transmission shaft 12 interface. The bimetallic thermometer 7, high-temperature nitrogen channel 8, low-temperature nitrogen channel 10, aviation plug socket 11 and transmission shaft 12 interface are all sealed and connected to the transparent box 1.

[0032] The posture adjustment module includes a moving mechanism and a lifting mechanism, which can drive the motor under test 5 to move and lift on the set track. The moving mechanism includes a moving platform 13, a first slide rail 14 and a first ball screw 15. The moving platform 13 is screwed to the first ball screw 15. The first ball screw 15 is connected to the first drive motor 16. The first ball screw 15 drives the moving platform 13 to move under the drive of the first drive motor 16. There are two first slide rails 14. The two first slide rails 14 are assembled on the top of the moving platform 13. The motor under test 5 is assembled on the two first slide rails 14 through a connecting plate 17. The moving platform 13 can drive the motor under test 5 to move along the two first slide rails 14 during the movement; the lifting mechanism includes a first support rod 18, a second support rod 19, a second ball screw 20 and a second slide rail 21, wherein the first support rod 18 and the second support rod 19 are each provided with two, and the tail ends of the two first support rods 18 and the two second support rods 19 are connected by The connecting shaft 22 is fixedly connected, and the adjacent first support rods 18 and the second support rods 19 are pivotally connected. The two first support rods 18 and the two second support rods 19 form two sets of scissor-type lifting frames. The tail ends of the two sets of scissor-type lifting frames are pivotally connected to the fixed frame 24 on the bottom plate 23. The second ball screw 20 is screwed with a slider 25. There are two second slide rails 21. The two ends of the slider 25 are respectively connected to the two second slide rails 21. The second ball screw 20 is connected to the second drive motor 26. The second roller Driven by the second drive motor 26, the ball screw 20 can drive the slider 25 to move along the two second slide rails 21. The head ends of the two first support rods 18 are pivotally connected to the slider 25. During the movement of the slider 25, the two first support rods 18 can be driven to rise and fall, thereby causing the two second support rods 19 to rise and fall synchronously. The head ends of the two second support rods 19 are pivotally connected to the two third slide rails 27 at the bottom of the movable platform 13. During the lifting process of the two second support rods 19, the movable platform 13 is driven to rise and fall synchronously.

[0033] The present invention provides an ambient motor environmental adaptability testing method, which includes the following steps:

[0034] Step 1: Open the buckle lock 9 on the front end of the transparent box 1, install the motor 5 under test on the posture adjustment module 6 in the inner cavity of the transparent box 1, adjust the position of the motor 5 under test, make the motor 5 under test coaxially connected with the torque and speed detection module 2 and the loading module 3 on the workbench 4, connect the control signal line of the motor 5 under test to the aviation plug socket 11, and then lock the buckle lock 9 on the front end of the transparent box 1;

[0035] Step 2: Debug the motor 5 under test, observe whether the motor 5 under test can rotate normally, check whether the loading module 3 can provide the resistance torque normally, and check whether the torque and speed detection module 2 can output the test signal normally;

[0036] Step 3: Open the high-temperature nitrogen channel 8 or the low-temperature nitrogen channel 10 according to the temperature environment requirements and introduce high-temperature or low-temperature nitrogen into the transparent box 1 to ensure that the gas fills the inner cavity of the transparent box 1;

[0037] Step 4: Observe the display value of the bimetallic thermometer 7. When the target temperature is reached, reduce the input of the high-temperature nitrogen channel 8 or the low-temperature nitrogen channel 10 to reduce the disturbance of the gas flow on the motor under test 5. Wait for 20 minutes after the bimetallic thermometer 7 reaches the target temperature to ensure that the temperature of the motor under test 5 is consistent with the ambient temperature.

[0038] Step 5: Adjust the loading module 3 to the required load, start the motor 5 under test, and record the data output by the torque and speed detection module 2;

[0039] Step 6: According to the test plan, adjust the load level, control parameters of the motor 5 under test, and temperature level to obtain performance data of the motor 5 under test;

[0040] Step 7: Turn off the motor under test 5, the loading module 3, and the torque and speed detection module 2, disconnect the external nitrogen supply, and disassemble the motor under test 5 after the temperature of the transparent box 1 returns to room temperature.

[0041] The above-mentioned torque and speed detection module 2, loading module 3, measured motor 5, aviation plug socket 11, first drive motor 16 and second drive motor 26 are all assemblies of existing equipment, so the specific models and specifications are not repeated.

Claims

1. An atmosphere-type motor environmental adaptability test system, characterized by: It includes a transparent box, a torque and speed detection module, a loading module and a workbench, wherein the motor to be tested is assembled in the transparent box through the posture adjustment module, the torque and speed detection module and the loading module are assembled on the workbench outside the transparent box, and the motor to be tested is coaxially connected to the torque and speed detection module and the loading module in sequence.

2. The atmospheric motor environmental adaptability testing system according to claim 1, characterized in that: The transparent box is a sealed box, which is surrounded by acrylic panels. The top cover of the transparent box is equipped with a bimetallic thermometer, and high-temperature nitrogen channels are provided on both sides of the bimetallic thermometer. The upper front end of the transparent box is equipped with two buckle locks, and the lower parts of the two side surfaces of the transparent box are respectively equipped with low-temperature nitrogen channels. The rear end of the transparent box is equipped with two aviation plugs and sockets. A transmission shaft interface is provided on the upper part of the right side wall of the transparent box. The bimetallic thermometer, high-temperature nitrogen channel, low-temperature nitrogen channel, aviation plug and socket, and transmission shaft interface are all sealed and connected to the transparent box.

3. The atmospheric motor environmental adaptability testing system according to claim 1, characterized in that: The described posture adjustment module includes a moving mechanism and a lifting mechanism, the moving mechanism and the lifting mechanism can drive the measured motor to move and lift on the set track, the moving mechanism includes a moving platform, a first slide rail and a first ball screw, the moving platform is screwed to the first ball screw, the first ball screw is connected to the first driving motor, and the first ball screw drives the moving platform to move under the drive of the first driving motor, the first slide rail is provided with two, the two first slide rails are assembled on the top of the moving platform, the measured motor is assembled on the two first slide rails through a connecting plate, and the moving platform can drive the measured motor to move along the two first slide rails during the movement; the lifting mechanism includes a first support rod, a second support rod, a second ball screw and a second slide rail, wherein the first support rod and the second support rod are each provided with two, and the tail ends of the two first support rods and the two second support rods are The two second support rods are fixedly connected by a connecting shaft, and the adjacent first support rods are pivotally connected. The two first support rods and the two second support rods form two groups of scissor-type lifting frames. The tail ends of the two groups of scissor-type lifting frames are pivotally connected to the fixed frame on the base plate. The second ball screw is screwed with a slider. There are two second slide rails. The two ends of the slider are respectively connected to the two second slide rails. The second ball screw is connected to the second driving motor. The second ball screw can drive the slider to move along the two second slide rails under the drive of the second driving motor. The head ends of the two first support rods are pivotally connected to the slider. During the movement of the slider, the two first support rods can be driven to lift and lower, so that the two second support rods are lifted and lowered synchronously. The head ends of the two second support rods are pivotally connected to the two third slide rails at the bottom of the moving platform. During the lifting process of the two second support rods, the moving platform is driven to lift and lower synchronously.

4. A method for testing the environmental adaptability of an atmospheric motor, characterized by: The method includes the following steps: Step 1: Open the buckle lock on the front face of the transparent box, install the motor under test on the posture adjustment module in the inner cavity of the transparent box, adjust the position of the motor under test so that the motor under test is coaxially connected to the torque and speed detection module and the loading module on the workbench, connect the control signal line of the motor under test to the aviation plug socket, and then lock the buckle lock on the front face of the transparent box; Step 2: Debug the motor under test, observe whether the motor under test can rotate normally, check whether the loading module can provide resistance torque normally, and check whether the torque and speed detection module can output test signals normally; Step 3: Open the high-temperature nitrogen channel or the low-temperature nitrogen channel according to the temperature environment requirements and introduce high-temperature or low-temperature nitrogen into the transparent box to ensure that the gas fills the inner cavity of the transparent box; Step 4. Observe the value displayed on the bimetallic thermometer. When the target temperature is reached, reduce the input of the high-temperature nitrogen channel or the low-temperature nitrogen channel to reduce the disturbance of the gas flow on the motor under test. Wait 20 minutes after the bimetallic thermometer reaches the target temperature to ensure that the temperature of the motor under test is consistent with the ambient temperature. Step 5: Adjust the loading module to the required load, start the motor under test, and record the data output by the torque and speed detection module; Step 6: According to the test plan, adjust the load level, control parameters of the motor under test, and temperature level to obtain the performance data of the motor under test; Step 7: Turn off the motor under test, the loading module, and the torque and speed detection module, disconnect the external nitrogen supply, and disassemble the motor under test after the temperature of the transparent box returns to room temperature.

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