CN209590231U - A kind of brushless motor test macro with signal feedback - Google Patents
A kind of brushless motor test macro with signal feedback Download PDFInfo
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- CN209590231U CN209590231U CN201822071193.6U CN201822071193U CN209590231U CN 209590231 U CN209590231 U CN 209590231U CN 201822071193 U CN201822071193 U CN 201822071193U CN 209590231 U CN209590231 U CN 209590231U
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Abstract
The utility model relates to a kind of brushless motor test macros with signal feedback.The utility model includes D.C. regulated power supply, threephase switch device, Hall decoding circuit, Hall current sensor and signal processing circuit；Hall position sensor in the input terminal connection brushless direct current motor of the signal processing circuit, the output end of the signal processing circuit connects Hall decoding circuit, the output end of the Hall decoding circuit connects threephase switch device, the threephase switch device connects the output end of D.C. regulated power supply with Hall decoding circuit, and the Hall current sensor is connected between the three-phase windings of brushless direct current motor and threephase switch device.The utility model can will be seen that the operating parameter of motor in motor development process, or failure cause can be quickly searched in motor operation failure, improve motor product development and production efficiency.
Description
Technical field
The utility model relates to Motor Measuring Technology field, specifically a kind of brushless motor with signal feedback is surveyed
Test system.
Background technique
Brushless direct current motor has that small in size, revolving speed is high, many merits such as high-efficient, easily controllable, is widely used in boat
The fields such as its aviation, rail traffic, electric locomotive, precision machine tool.Brushless direct current motor is in links such as production, examination, tests
It is required to carry out motor performance test.
Brshless DC motor in process of production, needs to carry out debugging circuit board, test examination, performance test, environment examination
The processes such as test.Definitely to obtain electric machine operation state, it is often necessary to measure hall signal, winding current and back-emf signal.
Existing electromechanical testing equipment cannot directly test above-mentioned signal, be not easy to the debugging and case study of motor.
Utility model content
Aiming at the defects existing in the prior art, the technical problem to be solved by the present invention is to provide one kind
Brushless motor test macro with signal feedback.
The utility model technical solution used for the above purpose is: a kind of brushless motor with signal feedback
Test macro, including D.C. regulated power supply, threephase switch device, Hall decoding circuit, Hall current sensor and signal processing
Circuit；Hall position sensor in the input terminal connection brushless direct current motor of the signal processing circuit, at the signal
The output end for managing circuit connects Hall decoding circuit, and the output end of the Hall decoding circuit connects threephase switch device, described
Threephase switch device connects the output end of D.C. regulated power supply with Hall decoding circuit, and the Hall current sensor is connected to nothing
Between the three-phase windings and threephase switch device of brush dc motor.
The input terminal of the D.C. regulated power supply connects 220V alternating current, and output end output 12V DC is electrically accessed suddenly all the way
That decoding circuit, another output 28V direct current are electrically accessed threephase switch device.
The outputs level signals of the signal processing circuit are connect by the hall sensor signal of lead-out wire or binding post form
Line terminals are drawn.
The output end of the Hall current sensor passes through lead-out wire or the winding current signal output end of binding post form
Son is drawn.
Voltage between the three-phase windings and power power-supply ground of the brushless direct current motor passes through lead-out wire or binding post
The back-emf signal output terminal of form is drawn.
The utility model have the following advantages that and the utility model has the advantages that
1, the utility model can in motor operation course real-time detection motor signal, including hall signal, winding electricity
Stream and back emf waveform.It will be seen that the operating parameter of motor in motor development process, or can be in motor operation failure
Failure cause is quickly searched, motor product development and production efficiency are improved.
2, the utility model will be seen that the operating parameter of motor in motor development process, or in motor operation failure
Failure cause can be quickly searched, motor product development and production efficiency are improved.
3, the utility model increases lead-out wire or binding post in existing electromechanical testing equipment, convenient for directly measuring, analysis
With judge motor operating state or failure.
Detailed description of the invention
Fig. 1 is the integrally-built schematic diagram of the utility model；
Fig. 2 is the hall signal processing circuit schematic diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
The schematic diagram of brushless motor test macro is as shown in Figure 1, be broadly divided into two parts: motor driven part and signal
Feedback fraction.
Motor driven part is made of D.C. regulated power supply, threephase switch device and Hall decoding circuit.Brushless dc
It include hall position sensor in machine.When brshless DC motor is tested, rotor position information is acquired by hall position sensor,
High and low level signal is converted for rotor position information by signal processing circuit again, Hall decoding circuit is according to position level
Signal, according to the on-off signal of winding turn-on logic relationship output threephase switch device, drive control threephase switch break-over of device
Or disconnect, realize the function of driving motor.
Signal feedback fraction predominantly detects hall sensor signal, winding current signal and back-emf signal three parts letter
Number.Hall sensor signal is changed into high and low level signal, hall signal by signal processing circuit by hall position sensor
Processing circuit principle is as shown in Fig. 2, turned the signal of hall position sensor open collector by 5V power supply and pull-up resistor
Become the high and low level signal that can be read, and led on the outside of test equipment by binding post, for reading hall position letter
Number.Three-phase windings electric current is detected using Hall current sensor in winding current signal part, detects motor three using Hall effect
Electric current in phase winding avoids changing Circuit Parameter's Influence test result using the methods of sampling resistor.Back-emf signal is direct
Voltage between three-phase windings and power power-supply ground is measured, and is drawn using binding post.
Claims (5)
1. a kind of brushless motor test macro with signal feedback, which is characterized in that including D.C. regulated power supply, threephase switch
Device, Hall decoding circuit, Hall current sensor and signal processing circuit；The input terminal of the signal processing circuit connects nothing
Hall position sensor in brush dc motor, the output end of the signal processing circuit connects Hall decoding circuit, described
The output end of Hall decoding circuit connects threephase switch device, and it is steady that the threephase switch device with Hall decoding circuit connects direct current
The output end of voltage source, the Hall current sensor are connected to the three-phase windings and threephase switch device of brushless direct current motor
Between.
2. a kind of brushless motor test macro with signal feedback according to claim 1, which is characterized in that described straight
The input terminal for flowing regulated power supply connects 220V alternating current, and output end output 12V DC is electrically accessed Hall decoding circuit all the way, another
Road output 28V direct current is electrically accessed threephase switch device.
3. a kind of brushless motor test macro with signal feedback according to claim 1, which is characterized in that the letter
The outputs level signals of number processing circuit are drawn by lead-out wire or the hall sensor signal connecting terminal of binding post form.
4. it is according to claim 1 it is a kind of with signal feedback brushless motor test macro, which is characterized in that it is described suddenly
The output end of your current sensor is drawn by lead-out wire or the winding current signal output terminal of binding post form.
5. a kind of brushless motor test macro with signal feedback according to claim 1, which is characterized in that the nothing
Voltage between the three-phase windings and power power-supply ground of brush dc motor passes through lead-out wire or the counter electromotive force of binding post form
Signal output terminal is drawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071193.6U CN209590231U (en) | 2018-12-10 | 2018-12-10 | A kind of brushless motor test macro with signal feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071193.6U CN209590231U (en) | 2018-12-10 | 2018-12-10 | A kind of brushless motor test macro with signal feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209590231U true CN209590231U (en) | 2019-11-05 |
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ID=68348793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822071193.6U Active CN209590231U (en) | 2018-12-10 | 2018-12-10 | A kind of brushless motor test macro with signal feedback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209590231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624975A (en) * | 2020-04-27 | 2020-09-04 | 中国空间技术研究院 | MSK series brushless DC motor driver verification test system |
| CN116699402A (en) * | 2023-08-02 | 2023-09-05 | 功道(深圳)科技实业有限公司 | Data processing method for DC brushless motor sensor |
-
2018
- 2018-12-10 CN CN201822071193.6U patent/CN209590231U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624975A (en) * | 2020-04-27 | 2020-09-04 | 中国空间技术研究院 | MSK series brushless DC motor driver verification test system |
| CN116699402A (en) * | 2023-08-02 | 2023-09-05 | 功道(深圳)科技实业有限公司 | Data processing method for DC brushless motor sensor |
| CN116699402B (en) * | 2023-08-02 | 2023-12-08 | 江苏一东航空机械有限公司 | Data processing method for DC brushless motor sensor |
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