CN202948116U - Three-phase asynchronous motor performance testing device - Google Patents
Three-phase asynchronous motor performance testing device Download PDFInfo
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- CN202948116U CN202948116U CN 201220719432 CN201220719432U CN202948116U CN 202948116 U CN202948116 U CN 202948116U CN 201220719432 CN201220719432 CN 201220719432 CN 201220719432 U CN201220719432 U CN 201220719432U CN 202948116 U CN202948116 U CN 202948116U
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Abstract
A three-phase asynchronous motor performance testing device belongs to the motor testing technology field. The device is provided to solve problems that the prior motor testing system is complex in operation and low in testing efficiency. Current signals collected by a current transmitter are output to a current signal input end of a programmable logic controller through a first analog input circuit; voltage signals collected by a voltage transmitter are output to a voltage signal input end of the programmable logic controller through a second analog input circuit; a rotating speed torque signal output end of a rotating speed torque sensor is connected with a rotating speed torque signal input end of the programmable logic controller, the programmable logic controller is connected with an upper computer through a serial communication port, and a display control signal output and input end of the programmable logic controller is connected with a display control signal input and output end of a display. The device is suitable for performance tests of a three-phase asynchronous motor.
Description
Technical field
The utility model relates to the performance testing device of threephase asynchronous, belongs to the Motor Measuring Technology field.
Background technology
In traditional threephase asynchronous type approval test process, need to gather a large amount of test datas such as voltage, electric current, power, rotating speed, torque, by various test instrumentations such as voltage table, reometer, power meters, measurement data is shown, the experimenter obtains test data by each observing apparatus again.This pilot system consists of complicated, uses instrument and meter many.Because its automaticity is low, operate very complicatedly, workload is large, and measuring accuracy also is difficult to reach requirement.
Traditional Motor Measuring System is also due to poor reliability, and is difficult in maintenance, and affected test mass and testing efficiency.
Summary of the invention
The utility model is in order to solve complicated operation and the low problem of testing efficiency of existing Motor Measuring System, a kind of performance testing device of threephase asynchronous to be provided.
The performance testing device of threephase asynchronous described in the utility model, it comprises programmable logic controller (PLC), it also comprises display, host computer, the first simulated measurement input circuit, the second simulated measurement input circuit, torque and speed sensors, voltage transmitter and current transducer
Voltage transmitter is used for gathering the threephase stator voltage of tested motor, and voltage transmitter is used for gathering the threephase stator electric current of tested motor, and torque and speed sensors is used for gathering rotating speed and the torque of tested motor,
The analog current signal output terminal of current transducer connects the analog current signal input end of the first simulated measurement input circuit, and the digital current signal output part of the first simulated measurement input circuit connects the current signal input end of programmable logic controller (PLC);
The analog voltage signal output terminal of voltage transmitter connects the analog voltage signal input end of the second simulated measurement input circuit, and the digital voltage signal output terminal of the second simulated measurement input circuit connects the voltage signal input end of programmable logic controller (PLC);
The rotational speed and torque signal output part of torque and speed sensors connects the rotational speed and torque signal input part of programmable logic controller (PLC),
Programmable logic controller (PLC) is connected by serial communication port with host computer, and the display control signal I/O of programmable logic controller (PLC) connects the display control signal input/output terminal of display.
The model of current transducer is GAAJ3.
The model of voltage transmitter is GAVJ3.
Advantage of the present utility model: the utility model adopts simulated measurement input circuit that the analog signals of current transducer and voltage transmitter collection is transformed into digital quantity and inputs to programmable logic controller (PLC), has good antijamming capability.It utilizes programmable logic controller (PLC) PLC to gather the performance data of relevant tested motor, and the data that collect are stored in host computer and processed.Described proving installation is the various performance parameters of testing of electric motors automatically, and is simple to operate, and testing efficiency is high, measuring accuracy is high, test result can reduce the failure rate of motor accurately and reliably effectively, and a large amount of savings the manpower and materials in the electromechanical testing process.
Description of drawings
Fig. 1 is the structured flowchart of the performance testing device of threephase asynchronous described in the utility model.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the performance testing device of the described threephase asynchronous of present embodiment, it comprises programmable logic controller (PLC) 1, it also comprises display 2, host computer 3, the first simulated measurement input circuit 4, the second simulated measurement input circuit 5, torque and speed sensors 6, voltage transmitter 7 and current transducer 8
The analog current signal output terminal of current transducer 8 connects the analog current signal input end of the first simulated measurement input circuit 4, and the digital current signal output part of the first simulated measurement input circuit 4 connects the current signal input end of programmable logic controller (PLC) 1;
The analog voltage signal output terminal of voltage transmitter 7 connects the analog voltage signal input end of the second simulated measurement input circuit 5, and the digital voltage signal output terminal of the second simulated measurement input circuit 5 connects the voltage signal input end of programmable logic controller (PLC) 1;
The rotational speed and torque signal output part of torque and speed sensors 6 connects the rotational speed and torque signal input part of programmable logic controller (PLC) 1,
Programmable logic controller (PLC) 1 is connected by serial communication port with host computer 3, and the display control signal I/O of programmable logic controller (PLC) 1 connects the display control signal input/output terminal of display 2.
Present embodiment can adopt the TD400C display module as display 2, with electric current, the real-time demonstration of voltage signal, by the serial communication port communication, host computer 3 can be drawn the correlated performance curve of tested motor according to the data that gather acquisition to programmable logic controller (PLC) 1 with host computer 3.
The course of work: the electric current in tested motor operation course, voltage, rotating speed and dtc signal are gathered by transmitter and sensor, be input in programmable logic controller (PLC) 1, after programmable logic controller (PLC) 1 deal with data, demonstrate in real time voltage, electric current, power, rotating speed, the torque parameter of tested motor by display 2.
Tested motor can be selected three phase squirrel cage induction motor; Torque and speed sensors 6 can be selected JN338 type rotational speed and torque tester, and it is the rotating speed of tested motor, the pulse that torque conversion becomes corresponding frequencies, then pulse signal is sent into programmable logic controller (PLC) PLC.
Embodiment two: present embodiment is for to the further illustrating of embodiment one, and the model of the described current transducer 8 of present embodiment is GAAJ3.
Embodiment three: present embodiment is for to the further illustrating of embodiment one or two, and the model of the described voltage transmitter 7 of present embodiment is GAVJ3.
Claims (3)
1. the performance testing device of a threephase asynchronous, it comprises programmable logic controller (PLC) (1), it is characterized in that, it also comprises display (2), host computer (3), the first simulated measurement input circuit (4), the second simulated measurement input circuit (5), torque and speed sensors (6), voltage transmitter (7) and current transducer (8)
Voltage transmitter (7) is used for gathering the threephase stator voltage of tested motor, and voltage transmitter (7) is used for gathering the threephase stator electric current of tested motor, and torque and speed sensors (6) is used for gathering rotating speed and the torque of tested motor,
The analog current signal output terminal of current transducer (8) connects the analog current signal input end of the first simulated measurement input circuit (4), and the digital current signal output part of the first simulated measurement input circuit (4) connects the current signal input end of programmable logic controller (PLC) (1);
The analog voltage signal output terminal of voltage transmitter (7) connects the analog voltage signal input end of the second simulated measurement input circuit (5), and the digital voltage signal output terminal of the second simulated measurement input circuit (5) connects the voltage signal input end of programmable logic controller (PLC) (1);
The rotational speed and torque signal output part of torque and speed sensors (6) connects the rotational speed and torque signal input part of programmable logic controller (PLC) (1),
Programmable logic controller (PLC) (1) is connected by serial communication port with host computer (3), and the display control signal I/O of programmable logic controller (PLC) (1) connects the display control signal input/output terminal of display (2).
2. the performance testing device of threephase asynchronous according to claim 1, is characterized in that, the model of current transducer (8) is GAAJ3.
3. the performance testing device of threephase asynchronous according to claim 1 and 2, is characterized in that, the model of voltage transmitter (7) is GAVJ3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719432 CN202948116U (en) | 2012-12-24 | 2012-12-24 | Three-phase asynchronous motor performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719432 CN202948116U (en) | 2012-12-24 | 2012-12-24 | Three-phase asynchronous motor performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202948116U true CN202948116U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220719432 Expired - Fee Related CN202948116U (en) | 2012-12-24 | 2012-12-24 | Three-phase asynchronous motor performance testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120926A (en) * | 2016-11-28 | 2018-06-05 | 沈阳新松机器人自动化股份有限公司 | A kind of direct current generator detecting system and method |
| RU2794240C1 (en) * | 2022-11-22 | 2023-04-13 | федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") | Method for diagnosing the technical condition of asynchronous electric motors and a device for its implementation |
-
2012
- 2012-12-24 CN CN 201220719432 patent/CN202948116U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120926A (en) * | 2016-11-28 | 2018-06-05 | 沈阳新松机器人自动化股份有限公司 | A kind of direct current generator detecting system and method |
| RU2794240C1 (en) * | 2022-11-22 | 2023-04-13 | федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") | Method for diagnosing the technical condition of asynchronous electric motors and a device for its implementation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20141224 |
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| EXPY | Termination of patent right or utility model |