CN201083813Y - Electric motor intelligence test apparatus - Google Patents
Electric motor intelligence test apparatus Download PDFInfo
- Publication number
- CN201083813Y CN201083813Y CNU200720104861XU CN200720104861U CN201083813Y CN 201083813 Y CN201083813 Y CN 201083813Y CN U200720104861X U CNU200720104861X U CN U200720104861XU CN 200720104861 U CN200720104861 U CN 200720104861U CN 201083813 Y CN201083813 Y CN 201083813Y
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- digital
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- utility
- model
- electric motor
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model provides an intelligent testing device for an electric motor, comprising a digital electric power measuring device with an input terminal connected with the electric motor and a digital DC ammeter. The utility model is characterized in that output terminals of the digital electric power measuring device and the digital DC ammeter are connected with an input terminal of a converter, an output terminal of the converter is connected with a computer interface. The utility model can measure a three-phase alternating voltage, a current, a power factor, a real power, a reactive power, an apparent power, a frequency and a DC voltage and a DC current of the electric motor and has the characteristics of high accuracy, high reliability, etc. The testing data can automatically generate a specified spreadsheet, thereby bringing convenience to the data statistic and the data analysis and satisfying the testing requirements under different testing situations. The utility model has small volume and light weight, can be carried about and be matched with a notebook PC and can complete the spot test under different environmental conditions, thereby being particularly suitable for the spot test for a generator in an electric power plant.
Description
Technical field
The utility model relates to a kind of proving installation, especially a kind of device that the motor electric parameter is tested.
Background technology
Can whether the quality of motor product such as motor, generator be up to standard qualified, go on the market, and the test of electric parameter, parameter is promptly carried out in essential process check to motor product, and the key of test is how to guarantee image data quickly and accurately.Voltage table, reometer, power meter are adopted in existing test mostly, after artificial wiring, are operated simultaneously and record test data just can be finished by many people.Be subjected to artificial factor, often bring test error big, acquisition speed is slow, inefficiency, the big deficiency that waits of labour intensity.Along with continuous advancement in technology, the intelligence test instrument that many acquisition speeds are fast, measuring accuracy is high is come out one after another, and present intelligence test instrument generally adopts voltage, electric current, power factor (PF) (or power) sensor, data collecting card that electric weight is gathered in real time.The speed of the method sampling depends on the sampling rate of data collecting card, but when the power-factor of load was very low, the power collecting data error was just bigger, as threephase asynchronous, when carrying out no-load characteristic test, power error is bigger, and the curve fitting discrete point is too many; When carrying out locked rotor characteristic when test, acquisition speed is slower, and it is fast that the motor feels hot, and the winding resistance measuring error is big, causes test speed, measuring accuracy undesirable.Therefore, be necessary fully prior art is improved.
Summary of the invention
Big for overcoming the error of bringing when prior art is tested motor product, acquisition speed is slow, inefficiency, and the big deficiency that waits of labour intensity, the utility model provides a kind of electric motor intelligent test device.
The utility model is realized by following technical proposal: a kind of electric motor intelligent test device, comprise the digital power measurement instrument that its input end links to each other with motor, the digital DC volometer, it is characterized in that the digital power measurement instrument, the output terminal of digital DC volometer all links to each other with the converter input end, converter output end links to each other with computer interface, so that the motor data that each instrument to collect is arrived is after microprocessor processes, automatically generate the form that regulation requires, make things convenient for data statistics and analysis, to satisfy motor, test request under the generator different tests situation.
Described digital power measurement instrument is commercially available IP3210 digital multi electric instrument, the dc voltage and current table is commercially available IP3242 dc voltage and current table, converter is commercially available RS485/232 converter, wherein the output terminal of IP3210 and IP3242 is connected to the input end of RS485/232 converter through 485 buses, and the output terminal of RS485/232 converter is connected to serial type interface RX, TX, the Gndc terminal of computing machine through 232 buses.
The utility model compared with prior art has following advantage and effect: adopt such scheme, can measure the three-phase alternating voltage of motor, electric current, power factor, active power, reactive power, applied power, frequency, and DC voltage, electric current, has high precision, characteristics such as high reliability, test data generates the electrical form of regulation automatically, conveniently carry out data statistics and data analysis, can satisfy engine, test request under the generator different tests situation, the utility model volume is little, in light weight, can carry, cooperate with notebook computer, can under different environmental baselines, carry out on-the-spot test, be particularly suitable for the generating plant and carry out the generator on-the-spot test.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model;
Fig. 2-Fig. 5 is respectively the external wiring diagram of the utility model;
Fig. 6 is the cut-away drawing of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
The utility model comprises digital power measurement instrument 1 (commercially available IP3210), digital DC volometer 2 (commercially available IP3242), wherein the output terminal of digital power measurement instrument 1, digital DC volometer 2 links to each other with converter 3 (commercially available RS485/232) input end through 485 buses, converter 3 output terminals join through serial type interface RX, TX, the Gndc terminal of 232 buses and computing machine 4, as Fig. 1, Fig. 6.
The input end of digital power measurement instrument 1, digital DC volometer 2 links to each other with the A of motor M, B, C, D and DC voltage 5, DC current 6, power supply 7 binding posts, the three-phase voltage and electric current and the parameters such as DC voltage and electric current that are used for testing of electric motors, as Fig. 2, perhaps be used for parameters such as three-phase voltage, two-phase current and the DC voltage of testing of electric motors and electric current, as Fig. 3.
The input end of digital power measurement instrument 1, digital DC volometer 2 links to each other with the A of motor M, B, C and DC voltage 5, DC current 6, power supply 7 binding posts, be used for parameters such as two-phase voltage, three-phase current and the DC voltage of testing of electric motors and electric current, as Fig. 4, the two-phase voltage and current and the parameters such as DC voltage and electric current that perhaps are used for testing of electric motors are as Fig. 5.
Claims (2)
1. electric motor intelligent test device, comprise digital power measurement instrument, digital DC volometer that its input end links to each other with motor, the output terminal that it is characterized in that digital power measurement instrument, digital DC volometer all links to each other with the converter input end, and converter output end links to each other with computer interface.
2. electric motor intelligent test device according to claim 1, it is characterized in that described digital power measurement instrument is commercially available IP3210 digital multi electric instrument, the dc voltage and current table is commercially available IP3242 dc voltage and current table, converter is commercially available RS485/232 converter, wherein the output terminal of IP3210 and IP3242 is connected to the input end of RS485/232 converter through 485 buses, and the output terminal of RS485/232 converter is connected to serial type interface RX, TX, the Gndc terminal of computing machine through 232 buses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720104861XU CN201083813Y (en) | 2007-08-06 | 2007-08-06 | Electric motor intelligence test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720104861XU CN201083813Y (en) | 2007-08-06 | 2007-08-06 | Electric motor intelligence test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083813Y true CN201083813Y (en) | 2008-07-09 |
Family
ID=39626283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720104861XU Expired - Fee Related CN201083813Y (en) | 2007-08-06 | 2007-08-06 | Electric motor intelligence test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201083813Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447812A (en) * | 2020-03-25 | 2021-09-28 | 宁波强生电机有限公司 | Direct current motor testing device |
| CN115236509A (en) * | 2022-08-08 | 2022-10-25 | 江苏大中电机股份有限公司 | Data acquisition device for an electric machine |
-
2007
- 2007-08-06 CN CNU200720104861XU patent/CN201083813Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447812A (en) * | 2020-03-25 | 2021-09-28 | 宁波强生电机有限公司 | Direct current motor testing device |
| CN113447812B (en) * | 2020-03-25 | 2024-03-26 | 宁波强生电机有限公司 | DC motor testing device |
| CN115236509A (en) * | 2022-08-08 | 2022-10-25 | 江苏大中电机股份有限公司 | Data acquisition device for an electric machine |
| CN115236509B (en) * | 2022-08-08 | 2023-11-10 | 江苏大中电机股份有限公司 | Data acquisition equipment for motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HARBIN ELECTRIC MACHINERY CO Free format text: FORMER NAME: KUNMING ELECTRIC MOTORS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 650100 Kunming, Xishan District, Ma Street, spring road, No. 349 Patentee after: Harbin electric motor factory (Kunming) Co., Ltd. Address before: 650000, Ma 19 street, Xishan District, Yunnan, Kunming Patentee before: Kunming Electric Motor Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20160806 |