CN210604969U - Motor performance batch test system - Google Patents
Motor performance batch test system Download PDFInfo
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- CN210604969U CN210604969U CN201921175510.7U CN201921175510U CN210604969U CN 210604969 U CN210604969 U CN 210604969U CN 201921175510 U CN201921175510 U CN 201921175510U CN 210604969 U CN210604969 U CN 210604969U
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Abstract
The utility model discloses a batch testing system for motor performance, which comprises a motor testing platform, a multi-channel motor rotating speed adjusting device, a multi-channel vibration sensing device, a multi-channel data acquisition device and a central processing unit; the motor test platform is provided with a plurality of motor test positions, and each motor is placed on the motor test positions and is electrically connected with the test interface; the multi-channel motor rotating speed adjusting device adjusts the rotating speed of each motor under the control of the central processing unit; the multi-channel vibration sensing device comprises a plurality of vibration sensors which are arranged beside each motor test position and are used for collecting vibration data of the motors at different rotating speeds; the multi-channel data acquisition device acquires vibration data acquired by each vibration sensor and sends the vibration data to the central processing unit; the utility model discloses a to the batch test of motor vibration performance and to automatic acquisition and the record of test data, improved efficiency of software testing greatly, the testing process need not artifical the participation, the cost of using manpower sparingly and improved the measurement accuracy.
Description
Technical Field
The utility model belongs to the technical field of the motor test, specifically, relate to a motor performance is test system in batches, more specifically, relate to the type selection, screening, fatigue test and the life-span test of key part brushless motor among the mechanical rotation type laser radar.
Background
In order to ensure the high performance, high stability and long service life of the mechanical rotary laser radar, the core key components, namely the motor, need to be subjected to model selection, screening, fatigue test and service life test in the research and development and production processes.
At present, motor test equipment on the market mostly aims at single and large-scale power motors to carry out service life test, batch type selection, screening, fatigue test and service life test cannot be carried out, and the test period is too long, so that the batch production of the laser radar is not facilitated. In addition, most of the existing motor service life testing equipment needs manual data acquisition, needs twenty-four hours of manual monitoring and recording all the day, is large in workload and inconvenient to use, and has large data error of manual recording.
SUMMERY OF THE UTILITY MODEL
At least one defect or improvement demand to prior art, the utility model provides a motor performance is test system in batches can conveniently carry out full-automatic batched test to the key part brushless motor among the mechanical rotation type laser radar, need not artifical the participation, and measuring result's accuracy is higher.
In order to achieve the above object, according to one aspect of the present invention, a batch testing system for motor performance is provided, which comprises a motor testing platform, a multi-channel motor speed adjusting device, a multi-channel vibration sensing device, a multi-channel data collecting device and a central processing unit;
the motor test platform is provided with a plurality of motor test positions, and each motor to be tested is placed on the motor test positions and is electrically connected with the test interface on the corresponding motor test position;
one end of the multi-channel motor rotating speed adjusting device is connected with the central processing unit, the other end of the multi-channel motor rotating speed adjusting device is connected with each motor to be tested through the test interface, and the rotating speed of the motor to be tested is adjusted under the control of the central processing unit;
the multi-channel vibration sensing device comprises a plurality of vibration sensors, and each vibration sensor is arranged on the side edge of a corresponding motor test position and is used for acquiring vibration data of a motor to be tested at different rotating speeds;
the multi-channel data acquisition device is electrically connected with the multi-channel vibration sensing device, acquires vibration data acquired by each vibration sensor and sends the vibration data to the central processing unit.
Preferably, the batch testing system for the motor performance further comprises an infrared thermal imaging device; the infrared thermal imaging device is arranged above the motor test platform and used for collecting temperature data of each motor to be tested at different rotating speeds and sending the temperature data to the central processing unit.
Preferably, the motor performance batch test system further comprises a data recording memory array, wherein the data recording memory array is connected with the central processing unit and is used for storing vibration data and temperature data of each motor to be tested at different rotating speeds.
Preferably, the motor performance batch test system further comprises a multi-channel power supply device; the multi-channel power supply equipment is respectively and electrically connected with the multi-channel motor rotating speed adjusting device, the multi-channel vibration sensing device, the multi-channel data acquisition device, the central processing unit, the infrared thermal imaging device and the data recording memory array, and respectively provides required working voltage for each device.
Preferably, the batch testing system for the motor performance further comprises a constant temperature control box; the infrared thermal imaging device, the motor test platform and the multi-channel vibration sensing device are arranged in the constant temperature control box, and other components are arranged outside the constant temperature control box; the constant temperature control box is used for maintaining the heating value of the motor to be measured at different rotating speeds so as to improve the accuracy of data acquisition of the infrared thermal imaging device. Parts such as the multichannel motor speed adjusting device, central processing unit also can generate heat in the operation process, bring the interference for the infrared sensor temperature measurement, consequently except infrared thermal imaging device, motor test platform and multichannel vibration sensing device other parts setting outside the thermostated container, or place in the external box integrative with the thermostatic control case.
Preferably, the motor performance batch test system further comprises an upper computer, wherein the upper computer is connected with the data recording storage array through a serial port, test data stored in the data recording storage array are obtained and analyzed, and a test result is generated and displayed.
Preferably, in the batch testing system for motor performance, a reset button and a test time setting button are further arranged on the side edge of each motor test position, so that different motor test positions can independently test the corresponding motors to be tested.
Preferably, in the system for batch testing of motor performance, the multi-channel data acquisition device is an analog-to-digital converter with a built-in multi-channel analog switch chip.
Preferably, in the system for batch testing of motor performance, the multi-channel motor speed regulation device comprises a single chip microcomputer and a motor driving chip; the single chip microcomputer is electrically connected with the central processing unit, and the motor driving chip is electrically connected with each motor to be tested.
Preferably, in the batch motor performance testing system, the infrared thermal imaging device of the batch motor performance testing system adopts the wide-angle lens, and the detection range of the wide-angle lens covers the whole motor testing platform.
Generally, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following
Has the advantages that:
(1) the utility model provides a motor performance batch test system, through setting up motor test platform, multichannel motor speed adjusting device and the vibration sensor who matches with motor test position quantity that have a plurality of motor test positions, realized the test to the vibration performance of batch motor when different rotational speeds, improved efficiency of software testing greatly; the automatic acquisition and recording of the test data are realized through the multi-channel vibration sensing device, the multi-channel data acquisition device and the central processing unit, manual participation is not needed, the labor cost is saved, and meanwhile, the accuracy of the measurement result is improved.
(2) The utility model provides a motor performance is test system in batches, every motor test position is other to be provided with reset button and test time settlement button alone, ensures that different motor test positions carry out independent test to the motor that awaits measuring that corresponds separately, has further improved efficiency of software testing.
(3) The utility model provides a motor performance is test system in batches tests the performance that generates heat of motor through the infrared thermal imaging device who locates motor test platform top to keep apart the influence of external environment to calorific capacity of motor through the thermostatic control case, thereby do benefit to and use infrared thermal imaging device to carry out real-time measurement to the self state of generating heat under the different rotational speed circumstances of motor, improve the accuracy of the temperature data that infrared thermal imaging device surveyed.
Drawings
Fig. 1 is a schematic structural diagram of a batch testing system for motor performance provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a matrix hot plug motor test platform provided in an embodiment of the present invention; in the figure, 1-motor test position; 2-a reset button; 3-test time setting button; 4-vibration sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of a batch testing system for motor performance provided by an embodiment of the present invention; as shown in fig. 1, the device comprises a matrix type hot-plug motor test platform, a matrix type multi-channel motor rotating speed adjusting device, a matrix type multi-channel vibration sensing device, a multi-channel data acquisition device and a central processing unit;
fig. 2 is a schematic structural diagram of a matrix hot-plug motor test platform provided in an embodiment of the present invention, as shown in fig. 2, 50 motor test sites 1 are disposed on the matrix hot-plug motor test platform, and each motor to be tested is placed on the motor test site 1 and electrically connected to a test interface on the corresponding motor test site 1; specifically, during batch test, each motor to be tested is correspondingly placed on one motor test position 1, and four-wire Flexible flat cables on the motor are connected with a Flexible Circuit board (FPC) test port on the motor test position 1. The hot plug between the motor to be tested and the matrix type hot plug motor test platform is realized through the FPC test port, the quick connection and disconnection of the motor are facilitated, and the test efficiency is improved; the embodiment can simultaneously carry out screening, fatigue testing and life testing on 50 motors, and has higher testing efficiency; of course, the number of the motor test positions may be set according to actual needs, and this embodiment is not particularly limited;
in order to further improve the testing efficiency, a reset button 2 and a testing time setting button 3 are independently arranged beside each motor testing position 1, so that different motor testing positions can independently test the corresponding motors to be tested. If a certain motor is found to be unqualified in the test process, the motor can be directly taken down, a new motor is replaced, the reset button 2 beside the motor test position where the motor is located is pressed for retesting, the test of each motor test position is independently performed, and the start-stop time can be respectively set through the test time setting button 3.
One end of the matrix type multi-channel motor rotating speed adjusting device is connected with the central processing unit, the other end of the matrix type multi-channel motor rotating speed adjusting device is connected with each motor to be tested through the FPC testing interface, and the rotating speed of the motor to be tested is adjusted under the control of the central processing unit; this matrix multichannel motor speed adjusting device uses the special driver chip of three-phase four-wire brushless motor, and the rotational speed signal is given by STM32F407 singlechip with the pulse width modulation mode, and this singlechip links to each other with central processing unit, output rotational speed signal under central processing unit's control, the special driver chip of three-phase four-wire brushless motor adjusts the rotational speed of the motor that awaits measuring according to this rotational speed signal.
The multi-channel vibration sensing device comprises 50 vibration sensors 4, wherein each vibration sensor 4 is arranged beside a corresponding motor test position and used for collecting and recording vibration data of each motor under the condition of different rotating speeds. In consideration of the cost and the vibration frequency of the motor, the vibration sensor 4 is preferably an ultrasonic sensor in this embodiment.
The motor condition of generating heat at the operation in-process also can influence the life of motor, and in order to test the condition of generating heat to the motor, the motor performance batch test system that this embodiment provided still includes infrared thermal imaging device, and this infrared thermal imaging device installs in matrix hot plug motor test platform's top for measure the temperature data of 50 motors that await measuring when different rotational speeds and send this temperature data for central processing unit. In the embodiment, the infrared thermal imaging device adopts a wide-angle lens, and the detection range of the wide-angle lens covers the whole motor test platform; and an infrared imaging device is adopted to obtain the temperature information of the motor and capture the part with faster temperature rise to determine whether the motor is qualified or not.
The multi-channel data acquisition device is electrically connected with the multi-channel vibration sensing device and is used for acquiring vibration data of the 50-channel vibration sensor in real time; in this embodiment, the multi-channel data acquisition device is a 24-bit analog-to-digital converter with a built-in multi-channel analog switch chip, and the analog-to-digital converter acquires vibration data of the motor in real time under the control of the central processing unit and sends an acquisition result to the central processing unit; the CPU stores the vibration data in a data recording memory array.
The data recording memory array is used for storing motor test data in 50 motor test positions in a test time period, namely vibration data and temperature data of the motor at different rotating speeds; the test data stored in the data recording memory array is finally uploaded to an upper computer through a serial port, the upper computer stores the current commonly used motor performance detection software, and the motor performance detection software sends a test instruction to a central processing unit when running; and after receiving the test data uploaded by the data recording memory array, analyzing and processing the data to finally obtain a test result and displaying the test result in a software interface, so that a tester can conveniently and visually obtain the test result of each motor. After each motor reaches the specified test time and is tested to be qualified, the PASS mark is automatically displayed on the display interface of the upper computer, and an operator is prompted to finish the test.
In this embodiment, the central processing unit is programmed in the C language to complete the collection, recording, uploading, and control of various test data for the motor. The specific functions include: (1) receiving a test instruction sent by an upper computer, and performing coordination control work on a matrix type multi-channel motor rotating speed adjusting device, a matrix type multi-channel vibration sensing device, a multi-channel data acquisition device and a data recording memory array on a matrix type hot plug motor test platform under the control of the test instruction; (2) and sending the test result data from the data recording memory array to an upper computer, and carrying out data processing and analysis by the upper computer.
In the process of testing the heating condition of the motor, the accuracy of the test result of the infrared thermal imaging device is reduced because the heating amount of the motor at different rotating speeds is possibly changed under the influence of the external environment; in order to solve the above problems, the batch testing system for motor performance provided by this embodiment further includes a constant temperature control box, the infrared thermal imaging device, the matrix type hot-plug motor testing platform, and the matrix type multi-channel vibration sensing device are placed inside the constant temperature control box, and other components are placed outside the constant temperature control box; this constant temperature control box can keep apart the influence of external environment, maintains the temperature of motor test position on the whole matrix hot plug motor test platform to do benefit to and use infrared thermal imaging device to carry out real-time measurement to the self state of generating heat under the different rotational speed circumstances of motor, improve the accuracy of the temperature data that infrared thermal imaging device surveyed. Parts such as the multichannel motor speed adjusting device, central processing unit also can generate heat in the operation process, bring the interference for the infrared sensor temperature measurement, consequently except infrared thermal imaging device, motor test platform and multichannel vibration sensing device other parts setting outside the thermostated container, or place in the external box integrative with the thermostatic control case.
Compared with the existing motor test equipment, the motor performance batch test system provided by the utility model realizes the test of the vibration performance of batch motors at different rotating speeds through the motor test platform with a plurality of motor test positions, the multi-channel motor rotating speed adjusting device and the vibration sensor matched with the number of the motor test positions, thereby greatly improving the test efficiency; the automatic acquisition and recording of the test data are realized through the multi-channel vibration sensing device, the multi-channel data acquisition device and the central processing unit, manual participation is not needed, the labor cost is saved, and meanwhile, the accuracy of the measurement result is improved.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A motor performance batch test system is characterized by comprising a motor test platform, a multi-channel motor rotating speed adjusting device, a multi-channel vibration sensing device, a multi-channel data acquisition device and a central processing unit;
the motor test platform is provided with a plurality of motor test positions, and each motor to be tested is placed on the motor test positions and is electrically connected with the test interface on the corresponding motor test position;
one end of the multi-channel motor rotating speed adjusting device is connected with the central processing unit, the other end of the multi-channel motor rotating speed adjusting device is connected with each motor to be tested through the test interface, and the rotating speed of the motor to be tested is adjusted under the control of the central processing unit;
the multi-channel vibration sensing device comprises a plurality of vibration sensors, and each vibration sensor is arranged on the side edge of a corresponding motor test position and is used for acquiring vibration data of a motor to be tested at different rotating speeds;
the multi-channel data acquisition device is electrically connected with the multi-channel vibration sensing device, acquires vibration data acquired by each vibration sensor and sends the vibration data to the central processing unit.
2. The batch test system for motor performance of claim 1 further comprising an infrared thermal imaging device; the infrared thermal imaging device is arranged above the motor test platform and used for collecting temperature data of each motor to be tested at different rotating speeds and sending the temperature data to the central processing unit.
3. The system for batch testing of motor performance of claim 2 further comprising a data logging memory array coupled to the central processor for storing vibration data and temperature data for each motor under test at different rotational speeds.
4. The batch test system for motor performance of claim 3 further comprising a multi-channel power supply; the multi-channel power supply equipment is respectively and electrically connected with the multi-channel motor rotating speed adjusting device, the multi-channel vibration sensing device, the multi-channel data acquisition device, the central processing unit, the infrared thermal imaging device and the data recording memory array, and respectively provides required working voltage for each device.
5. The batch test system for motor performance of claim 4 further comprising a thermostatic control box; the motor test platform, the multi-channel vibration sensing device and the infrared thermal imaging device are arranged inside the constant temperature control box, and the constant temperature control box is used for maintaining the heat productivity of the motor to be tested at different rotating speeds so as to improve the accuracy of data acquisition of the infrared thermal imaging device.
6. The motor performance batch test system of claim 5, further comprising an upper computer, wherein the upper computer is connected with the data recording memory array through a serial port, and is used for acquiring test data stored in the data recording memory array, analyzing and processing the test data, generating and displaying a test result.
7. The system for batch testing of motor performances according to any one of claims 1 to 6, wherein a reset button and a test time setting button are further disposed at a side of each motor test site to ensure that different motor test sites perform independent tests on respective motors to be tested.
8. The batch testing system for motor performance according to claim 1, wherein the multi-channel data acquisition device is an analog-to-digital converter with a built-in multi-channel analog switch chip.
9. The system for batch testing of motor performances as claimed in claim 1, wherein the multi-channel motor speed regulation device comprises a single chip microcomputer and a motor driving chip; the single chip microcomputer is electrically connected with the central processing unit, and the motor driving chip is electrically connected with each motor to be tested.
10. The system for batch testing of motor performance of claim 2, wherein the infrared thermal imaging device employs a wide-angle lens, and a detection range of the wide-angle lens covers the entire motor test platform.
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| CN201921175510.7U CN210604969U (en) | 2019-07-23 | 2019-07-23 | Motor performance batch test system |
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| CN201921175510.7U CN210604969U (en) | 2019-07-23 | 2019-07-23 | Motor performance batch test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702832A (en) * | 2021-10-29 | 2021-11-26 | 深圳市东鼎丰电子有限公司 | Micro motor test board card and micro motor tester |
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- 2019-07-23 CN CN201921175510.7U patent/CN210604969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702832A (en) * | 2021-10-29 | 2021-11-26 | 深圳市东鼎丰电子有限公司 | Micro motor test board card and micro motor tester |
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