CN216209719U - Motor torque detection device - Google Patents
Motor torque detection device Download PDFInfo
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- CN216209719U CN216209719U CN202122873964.5U CN202122873964U CN216209719U CN 216209719 U CN216209719 U CN 216209719U CN 202122873964 U CN202122873964 U CN 202122873964U CN 216209719 U CN216209719 U CN 216209719U
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- motor
- controller
- detection device
- torque detection
- brake
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Abstract
The utility model discloses a motor torque detection device, which comprises a motor to be detected, a brake and a controller, wherein the motor to be detected is connected with three-phase power, the brake is connected with the motor to be detected, the controller is a PLC (programmable logic controller) with the model number of FC4A-16R2, and the output end of the controller is connected with the brake through a voltage stabilizing transformer, a rectifier and an intermediate relay in sequence; the output end of the controller is also connected with the motor to be tested through a relay. The motor torque detection device adopting the structure simplifies the circuit structure, thereby reducing the detection cost.
Description
Technical Field
The utility model relates to a motor testing technology, in particular to a motor torque detection device.
Background
Today, with the rapid development of industrial technology, electric motors play an important role therein, which are widely adopted in various fields of national economy. After the motor is machined, in order to improve safety production and product quality, torque output of the motor needs to be measured, a motor torque detection tool is generally adopted for detection in the prior art, but a control circuit of the existing motor torque detection tool is complex, and therefore testing cost is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a motor torque detection device, which simplifies a circuit structure and reduces detection cost.
In order to achieve the purpose, the utility model provides a motor torque detection device which comprises a motor to be detected, a brake and a controller, wherein the motor to be detected is connected with three-phase power, the brake is connected with the motor to be detected, the controller is a PLC (programmable logic controller) with the model number of FC4A-16R2, and the output end of the controller is connected with the brake through a voltage stabilizing transformer, a rectifier and an intermediate relay in sequence;
the output end of the controller is also connected with the motor to be tested through a relay.
Preferably, a protection resistor is further connected between the rectifier and the intermediate relay, and the protection resistor is a sliding resistor.
Preferably, the input of controller still is connected with respectively and is used for gathering the first temperature sensor of motor temperature that awaits measuring, be used for gathering the torque sensor of motor output torque that awaits measuring and be used for gathering the rotational speed sensor of motor output rotational speed that awaits measuring.
Preferably, the motor to be tested is a small motor, and the motor to be tested is connected with the brake through a speed reducer.
Preferably, the input end of the controller is further connected with a second temperature sensor for collecting the temperature of the speed reducer.
Therefore, the motor torque detection device adopting the structure simplifies the circuit structure, thereby reducing the detection cost.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic circuit diagram of a motor torque detection device according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
Fig. 1 is a schematic circuit diagram of a motor torque detection device according to an embodiment of the present invention, and as shown in fig. 1, the structure of the present invention includes a motor M to be detected connected to a three-phase power, a brake YBR connected to the motor M to be detected, and a controller, where the controller is a PLC controller of model FC4A-16R2, and an output end of the controller is connected to the brake YBR through a voltage stabilizing transformer T, a rectifier UR, and an intermediate relay KA2 in sequence; the output end of the controller is also connected with the motor M to be tested through a relay KM 1.
Preferably, a protection resistor is further connected between the rectifier UR and the intermediate relay KA2, and the protection resistor is a sliding resistor P and can meet the requirements of motors M to be tested with different specifications.
Preferably, the input end of the controller is further respectively connected with a first temperature sensor Rt1 for collecting the temperature of the motor M to be detected, a torque sensor BM for collecting the output torque of the motor M to be detected and a rotation speed sensor BN for collecting the output rotation speed of the motor M to be detected.
Preferably, the motor M to be tested is a small motor, and the motor M to be tested is connected with the brake YBR through a speed reducer. The input end of the controller is further connected with a second temperature sensor Rt2 for collecting the temperature of the speed reducer.
The working process is as follows: during testing, firstly, the brake YBR and the sliding resistance P are set according to the specification of the motor M to be tested, then the motor M to be tested is installed in place, and the power supply is turned on for testing.
Therefore, the motor torque detection device adopting the structure simplifies the circuit structure, thereby reducing the detection cost.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a motor torque detection device, including the motor that awaits measuring that links to each other with three-phase electricity, with stopper and controller that the motor that awaits measuring is connected, its characterized in that: the controller is a PLC controller with the model number of FC4A-16R2, and the output end of the controller is connected with the brake through a voltage stabilizing transformer, a rectifier and an intermediate relay in sequence;
the output end of the controller is also connected with the motor to be tested through a relay.
2. The motor torque detection device according to claim 1, wherein: and a protective resistor is also connected between the rectifier and the intermediate relay, and the protective resistor is a sliding resistor.
3. The motor torque detection device according to claim 1, wherein: the input of controller still is connected with respectively and is used for gathering the first temperature sensor of motor temperature that awaits measuring, be used for gathering the torque sensor of motor output torque that awaits measuring and be used for gathering the rotational speed sensor of motor output rotational speed that awaits measuring.
4. The motor torque detection device according to claim 1, wherein: the motor to be tested is a small motor, and the motor to be tested is connected with the brake through the speed reducer.
5. The motor torque detection device according to claim 4, wherein: the input end of the controller is further connected with a second temperature sensor used for collecting the temperature of the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122873964.5U CN216209719U (en) | 2021-11-22 | 2021-11-22 | Motor torque detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122873964.5U CN216209719U (en) | 2021-11-22 | 2021-11-22 | Motor torque detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216209719U true CN216209719U (en) | 2022-04-05 |
Family
ID=80912234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122873964.5U Active CN216209719U (en) | 2021-11-22 | 2021-11-22 | Motor torque detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216209719U (en) |
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2021
- 2021-11-22 CN CN202122873964.5U patent/CN216209719U/en active Active
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