CN210427736U - Take hall sensor's motor drive integrated circuit board production detection device - Google Patents
Take hall sensor's motor drive integrated circuit board production detection device Download PDFInfo
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- CN210427736U CN210427736U CN201921236738.2U CN201921236738U CN210427736U CN 210427736 U CN210427736 U CN 210427736U CN 201921236738 U CN201921236738 U CN 201921236738U CN 210427736 U CN210427736 U CN 210427736U
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Abstract
The utility model discloses a take hall sensor's motor drive integrated circuit board production detection device, including main control module, main control module's signal output part is connected with power supply control module, reference voltage output module, reference frequency output module, communication serial ports, electromagnetism conversion module, resistance dummy load module and current sampling module, power supply control module, reference voltage output module, reference frequency output module and communication serial ports's signal output part all is connected with the signal input part electricity that waits to detect the drive integrated circuit board. The utility model discloses in, test PCBA through the operation of electric means simulation motor, detect hall sensor operating characteristic, power device operating characteristic when respectively PCBA's static electrical characteristic and operation and improve production detection efficiency, technical staff can maintain the defective products according to the result pertinence in different test phases simultaneously, improve maintenance efficiency.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to take hall sensor's motor drive integrated circuit board production detection device.
Background
The direct current brushless motor needs to detect the position of a rotor magnetic core through a Hall sensor to control motor drive phase change, and the direct current brushed motor needs to detect the running rotating speed of the motor through the Hall sensor, so that the direct current brushless motor or a direct current brushed motor drive board card (PCBA) needs to carry out electrical characteristic and functional detection on the Hall sensor and other components on the board card during production.
The traditional production method is characterized in that the PCBA produced by the traditional production method is directly installed inside the brushless direct current motor for testing, the production efficiency of the PCBA is low due to the fact that most motor installation structures are special, meanwhile, technicians can only judge and maintain the bad PCBA through experience and abnormal phenomena of the bad PCBA when the PCBA is installed on the motor to run, the detection efficiency and accuracy are low, and the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems that the detection efficiency and the accuracy of the PCBA are low and the production efficiency is affected, the motor drive board card production detection device with the Hall sensor is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the production detection device for the motor drive board card with the Hall sensor comprises a main control module, wherein a signal output end of the main control module is connected with a power supply control module, a reference voltage output module, a reference frequency output module, a communication serial port, an electromagnetic conversion module, a resistance dummy load module and a current sampling module, signal output ends of the power supply control module, the reference voltage output module, the reference frequency output module and the communication serial port are electrically connected with a signal input end of the drive board card to be detected, the electromagnetic conversion module is in non-contact connection with the Hall sensor on the drive board card to be detected, and a power device on the drive board card to be detected is electrically connected with the main control module through the resistance dummy load module and the current sampling module in.
As a further description of the above technical solution:
the main control module is provided with a user interface, and the user interface is connected with a display and a test trigger key for displaying a test process and a test result.
As a further description of the above technical solution:
the resistance dummy load module comprises a plurality of resistance dummy loads, each resistance dummy load is internally provided with a current sampling module, and the current sampling module comprises a current sensor.
As a further description of the above technical solution:
the electromagnetic conversion module converts the electric signal into a magnetic field signal, and the magnetic field signal triggers a Hall sensor on the driving board card to be detected in a non-contact mode.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, test PCBA through the operation of electric means simulation motor, detect hall sensor operating characteristic, power device operating characteristic when respectively PCBA's static electrical characteristic and operation and improve production detection efficiency, technical staff can maintain the defective products according to the result pertinence in different test phases simultaneously, improve maintenance efficiency.
Drawings
Fig. 1 is a block diagram of a motor driving board production detection device with a hall sensor according to the present invention;
fig. 2 is the utility model provides a take motor drive integrated circuit board production detection device's of hall sensor work flow chart.
Illustration of the drawings:
1. a main control module; 2. a power supply control module; 3. a reference voltage output module; 4. a reference frequency output module; 5. a communication serial port; 6. an electromagnetic conversion module; 7. a resistive dummy load module; 8. a current sampling module; 9. detecting a driving board card to be detected; 10. a Hall sensor; 11. and a power device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: take hall sensor's motor drive integrated circuit board production detection device, including main control module 1, main control module 1's signal output part is connected with power supply control module 2, reference voltage output module 3, reference frequency output module 4, communication serial ports 5, electromagnetic conversion module 6, resistance dummy load module 7, current sampling module 8, power supply control module 2, reference voltage output module 3, reference frequency output module 4 and communication serial ports 5's signal output part all is connected with the signal input part electricity that waits to detect drive integrated circuit board 9, electromagnetic conversion module 6 is connected with the hall sensor 10 non-contact nature that waits to detect on the drive integrated circuit board 9, it loops through resistance dummy load module 7 and current sampling module 8 and is connected with main control module 1 electricity to wait to detect power device 11 on the drive integrated circuit board 9.
The main control module 1 mainly adopts a singlechip.
The power supply control module 2 comprises a relay, and simultaneously controls a power supply circuit through the relay when the test is started to supply power to the drive board card 9 to be detected.
The reference voltage output module 3 is mainly used for self-checking and calibrating an ADC module and a reference voltage module in the to-be-detected driving board 9.
The reference frequency output module 4 is mainly used for self-checking of the frequency of an oscillator inside the driving board card 9 to be detected.
The communication serial port 5 is used for communication between the main control module 1 and the drive board card 9 to be detected.
The electromagnetic conversion module 6 can adopt an electromagnetic conversion coil and is used for simulating a magnetic field to trigger the hall sensor 10 on the driving board card 9 to be detected in a non-contact manner.
The resistance dummy load module 7 enables the power device on the driving board card 9 to be detected to operate in a rated load state.
The current sampling module 8 detects the current of the power device 11 on the driving board card 9 to be detected when the power device is operated in a rated load state.
Specifically, the main control module 1 is provided with a user interface, the user interface is connected with a display and a test trigger button which are used for displaying a test process and a test result, data display in the detection process is facilitated, and meanwhile, the detection equipment is started through the test trigger button for detection.
Specifically, the resistance dummy load module 7 includes a plurality of resistance dummy loads, each of which is provided with a current sampling module 8 inside, and the current sampling module 8 includes a current sensor.
Specifically, the electromagnetic conversion module 6 converts the electrical signal into a magnetic field signal, and the magnetic field signal triggers the hall sensor 10 located on the driving board card 9 to be detected in a non-contact manner, so as to detect whether the function of the hall sensor 10 is normal.
The working principle is as follows: installing a driving board card 9 to be detected in a detection device, electrically connecting a signal input end of the driving board card 9 to be detected with a signal output end of a power supply control module 2, a reference voltage output module 3, a reference frequency output module 4, a communication serial port 5, a resistance dummy load module 7 and a current sampling module 8, pressing a test trigger button to start the detection device, outputting a signal to the driving board card 9 to be detected by a main control module 1 through the reference voltage output module 3 and the reference frequency output module 4, simultaneously switching on a power supply circuit by the power supply control module 2, performing communication connection with the driving board card 9 to be detected through the communication serial port 5, sending a command after the communication connection is completed, enabling the driving board card 9 to be detected to complete self-detection, after the self-detection is completed, switching on an analog magnetic field by an electromagnetic conversion module 6 to trigger a Hall sensor 10, and sending a signal to, after the trigger detection is completed, the command is sent again, so that the driving board cards 9 to be detected are conducted with the resistance dummy loads one by one, the current collection is completed through the current sampling module 8, and the result is sent to the main control module 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. Take hall sensor's motor drive integrated circuit board production detection device, including main control module (1), its characterized in that, the signal output part of main control module (1) is connected with power supply control module (2), reference voltage output module (3), reference frequency output module (4), communication serial ports (5), electromagnetic conversion module (6), resistance dummy load module (7), current sampling module (8), the signal output part of power supply control module (2), reference voltage output module (3), reference frequency output module (4) and communication serial ports (5) all is connected with the signal input part electricity that waits to detect drive integrated circuit board (9), electromagnetic conversion module (6) and wait to detect hall sensor (10) non-contact connection on drive integrated circuit board (9), power device (11) that wait to detect on drive integrated circuit board (9) loop through resistance dummy load module (7) and current sampling module (8) and main control drive integrated circuit board (9) The modules (1) are electrically connected.
2. The production detection device for the motor-driven board card with the hall sensor according to claim 1, wherein a user interface is arranged on the main control module (1), and a display and a test trigger button for displaying a test process and a test result are connected to the user interface.
3. The production detection device for the motor-driven board card with the hall sensor according to claim 1, wherein the resistance dummy load module (7) comprises a plurality of resistance dummy loads, a current sampling module (8) is arranged inside each resistance dummy load, and the current sampling module (8) comprises a current sensor.
4. The production detection device for the motor-driven board card with the hall sensor according to claim 1, wherein the electromagnetic conversion module (6) converts an electrical signal into a magnetic field signal, and the magnetic field signal triggers the hall sensor (10) on the driven board card (9) to be detected in a non-contact manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236738.2U CN210427736U (en) | 2019-08-01 | 2019-08-01 | Take hall sensor's motor drive integrated circuit board production detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236738.2U CN210427736U (en) | 2019-08-01 | 2019-08-01 | Take hall sensor's motor drive integrated circuit board production detection device |
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| CN210427736U true CN210427736U (en) | 2020-04-28 |
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| CN201921236738.2U Active CN210427736U (en) | 2019-08-01 | 2019-08-01 | Take hall sensor's motor drive integrated circuit board production detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406070A (en) * | 2023-12-14 | 2024-01-16 | 深圳市唯川科技有限公司 | Motor drive board test fixture and motor drive board testing arrangement |
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2019
- 2019-08-01 CN CN201921236738.2U patent/CN210427736U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406070A (en) * | 2023-12-14 | 2024-01-16 | 深圳市唯川科技有限公司 | Motor drive board test fixture and motor drive board testing arrangement |
| CN117406070B (en) * | 2023-12-14 | 2024-03-19 | 深圳市唯川科技有限公司 | Motor drive board test fixture and motor drive board testing arrangement |
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