CN204789943U - Hand over direct current motor type test detection device - Google Patents
Hand over direct current motor type test detection device Download PDFInfo
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- CN204789943U CN204789943U CN201520513112.7U CN201520513112U CN204789943U CN 204789943 U CN204789943 U CN 204789943U CN 201520513112 U CN201520513112 U CN 201520513112U CN 204789943 U CN204789943 U CN 204789943U
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Abstract
The utility model discloses a hand over direct current motor type test detection device, including test platform, power supply unit and measurement and control device, test platform is last to be equipped with by the examination motor and to accompany the examination motor, tried the motor and accompany the examination motor to pass through the shaft coupling coaxial coupling, power supply unit includes alternating current power supply unit and DC power supply unit, the input of alternating current power supply unit links to each other with ac bus, the output of alternating current power supply unit is through converter and quilt examination motor, accompany the examination motor to link to each other, the input of DC power supply unit links to each other with ac bus, the output and the quilt examination motor of DC power supply unit, accompany the examination motor to link to each other, measurement and control device tries the motor and accompanies the examination motor to link to each other with the quilt respectively. The utility model discloses a power supply unit includes alternating current power supply unit and DC power supply unit, can undertake type test single -phase and three -phase induction motor and direct current motor to practice thrift the cost and reduce area, but when carrying on load test with the hot test energy repayment to dc bus, reduced test device's energy consumption.
Description
Technical field
The utility model relates to machine field, particularly a kind of AC/DC motor type approval test pick-up unit.
Background technology
Motor is a kind of calutron realizing electric energy conversion according to the law of electromagnetic induction or transmit, and its Main Function produces driving torque, as the power source of electrical appliance or various machinery.Motor needed to carry out type approval test detection before coming into operation, to ensure the performance of motor.
It is utilize instrument, instrument and relevant device that electrical type tests detects, and according to relevant standard regulation, motor is carried out to the inspection of the projects such as resistance measurement, withstand voltage test, no-load test, heat test, load test, locked rotor test and efficiency test.The correlated performance data of tested motor can be reflected by these inspections, can judge whether tested motor meets designing requirement, the quality of quality and the target of improvement and direction by these data, therefore, electrical type tests is indispensable important step in motor research, production and industry quality inspection management process.
Single-phase and three-phase induction motor and direct current generator product category various, for being engaged in the unit of motor quality inspection, possessing and a set ofly there is single-phase and three-phase induction motor and direct-current electric motor performance inspection type approval test pick-up unit be necessary.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provide a kind of structure simple, single-phase and three-phase induction motor and the test of direct current generator pattern AC/DC motor type approval test pick-up unit can be realized.
The technical scheme that the utility model solves the problem is: a kind of AC/DC motor type approval test pick-up unit, comprise test platform, supply unit and measure and control device, described test platform is provided with tested motor and accompanies examination motor, tested motor with accompany examination motor be coaxially connected by shaft coupling, described supply unit comprises AC power unit and DC power source unit, the input end of described AC power unit is connected with ac bus, the output terminal of AC power unit through frequency converter respectively with tested motor, examination motor is accompanied to be connected, the input end of described DC power source unit is connected with ac bus, the output terminal of DC power source unit respectively with tested motor, examination motor is accompanied to be connected, described measure and control device tries motor with tested motor be connected with accompanying respectively.
In above-mentioned AC/DC motor type approval test pick-up unit, described AC power unit comprises rectifier transformer, three-phase commutation bridge group, energy-storage units, digital power and wave filter, the input end of described rectifier transformer is connected with ac bus, the output terminal of rectifier transformer, three-phase commutation bridge group, energy-storage units, digital power, wave filter, frequency converter connect successively, described frequency converter respectively with tested motor, accompany and try motor and be connected.
In above-mentioned AC/DC motor type approval test pick-up unit, described rectifier transformer is 12 arteries and veins phase-shifting rectifier transformers.
In above-mentioned AC/DC motor type approval test pick-up unit, described three-phase commutation bridge group comprises the three-phase commutation bridge of two series connection.
In above-mentioned AC/DC motor type approval test pick-up unit, described DC power source unit comprises pressure regulator, three-phase commutation bridge and two cover field power supplies, the input end of described pressure regulator is connected with ac bus, the output terminal of pressure regulator is connected with the input end of three-phase commutation bridge, the output terminal of three-phase commutation bridge and tested motor, accompany and try motor and be connected, the input ends of two cover field power supplies are all connected with ac bus, output terminal and the tested motor of two cover field power supplies, accompany and try motor and be connected.
In above-mentioned AC/DC motor type approval test pick-up unit, described measure and control device comprises host computer, PLC, power analyzer, Hall element, temperature sensor, torque rotary speed sensor and variable-frequency power sensor, described tested motor is equipped with temperature sensor with accompanying on examination motor, the signal output part of temperature sensor is connected with PLC, torque rotary speed sensor is arranged on shaft coupling, the signal output part of torque rotary speed sensor is connected with PLC, between the output terminal of three-phase commutation bridge and tested motor, the output terminal of three-phase commutation bridge and accompany and try between motor, between the output terminal of field power supply and tested motor, the output terminal of field power supply and accompany and try to be equipped with Hall element between motor, the signal output part of Hall element is connected with PLC, the input end of variable-frequency power sensor is connected with frequency converter, the output terminal of variable-frequency power sensor, power analyzer, PLC is connected in series successively, described PLC and host computer, frequency converter is connected.
The beneficial effects of the utility model are:
1, the utility model comprises supply unit and measure and control device, supply unit comprises AC power unit and DC power source unit, AC power unit and DC power source unit can bear single-phase and three-phase induction motor and direct current generator type approval test respectively, thus cost-saving and minimizing floor area, and when carrying out load test and heat test, motor running made by tested motor, examination motor is accompanied to make generator operation, examination motor is accompanied to send electric energy by electric energy feedback to DC bus, reduce the energy consumption of test unit, there is structure simple, cost is low, the advantage that energy consumption is low,
2, tested induction motor of the present utility model and accompany examination induction motor by different Frequency Converter Control input voltage/electric current, tested direct current generator tries direct current generator by different exciting Energy control field voltage/electric current with accompanying, without direct correlation on circuit, operation is more prone to, and regulates more accurate;
3, the utility model can increase the power input of separate unit unit by two frequency converters in parallel, thus effectively reduces the limit value of ac bus power input capacity.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present utility model.
Fig. 2 is the circuit structure diagram of supply unit in Fig. 1.
Fig. 3 is the structured flowchart of measure and control device in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model comprises test platform 1, supply unit and measure and control device, and described test platform 1 is provided with tested motor and accompany examination motor, tested motor and accompany and try motor and be coaxially connected by shaft coupling.
As shown in Figure 2, described supply unit comprises AC power unit and DC power source unit, described AC power unit comprises rectifier transformer 2, three-phase commutation bridge group 3, energy-storage units 4, digital power 5 and wave filter 6, described rectifier transformer 2 is 12 arteries and veins phase-shifting rectifier transformers, 12 arteries and veins phase-shifting rectifier transformers export 380V three-phase alternating current and 220V single-phase alternating current, the input end of rectifier transformer 2 is connected with ac bus, the output terminal of rectifier transformer 2 is connected with the input end of three-phase commutation bridge group 3, and output AC electricity is to three-phase commutation bridge group 3; Three-phase commutation bridge group 3 comprises the three-phase commutation bridge of two series connection, and the ac voltage rectifier that rectifier transformer 2 exports is become direct current by three-phase commutation bridge group 3; The output terminal of three-phase commutation bridge group 3, energy-storage units 4, digital power 5, wave filter 6, frequency converter connect successively, wherein, digital power 5 adopts three level bridge circuit, and DC bus-bar voltage is reverse into interchange, described frequency converter respectively with tested motor, accompany and try motor and be connected.
Described DC power source unit comprises pressure regulator 7, three-phase commutation bridge 8 and two cover field power supplies 9, the input end of described pressure regulator 7 is connected with ac bus, the output terminal of pressure regulator 7 is connected with the input end of three-phase commutation bridge 8, the output terminal of three-phase commutation bridge 8 and tested motor, accompany and try motor and be connected, the input end of two cover field power supplies 9 is all connected with ac bus, output terminal and the tested motor of two cover field power supplies 9, accompany and try motor and be connected, field power supply 9 exports direct current signal, regulates field voltage and the exciting current of direct current generator.
As Fig. 2, shown in Fig. 3, described measure and control device comprises host computer, PLC, frequency converter, power analyzer, temperature sensor, torque rotary speed sensor 16 and variable-frequency power sensor, described tested motor is equipped with temperature sensor with accompanying on examination motor, the signal output part of temperature sensor is connected with PLC, torque rotary speed sensor 16 is arranged on shaft coupling, the signal output part of torque rotary speed sensor 16 is connected with PLC, between the output terminal of three-phase commutation bridge 8 and tested motor, the output terminal of three-phase commutation bridge 8 and accompany and try between motor, between the output terminal of field power supply 9 and tested motor, the output terminal of field power supply 9 and accompany and try to be equipped with Hall element between motor, the signal output part of Hall element is connected with PLC, the input end of variable-frequency power sensor is connected with frequency converter, the output terminal of variable-frequency power sensor, power analyzer, PLC is connected in series successively, described PLC and host computer, frequency converter is connected, frequency converter is connected with tested motor.
Principle of work of the present utility model is as follows: the utility model comprises supply unit and measure and control device, supply unit comprises AC power unit and DC power source unit, the wherein exportable 380V three-phase alternating current of the rectifier transformer 2 of AC power unit and 220V single-phase alternating current, bear type approval test that is single-phase and three-phase induction motor, DC power source unit bears the type approval test of direct current generator.Detailed process is: gather tested motor and accompany the voltage and current signal of examination motor (when carrying out alternating current generator type approval test, use AC power unit is powered, now variable-frequency power sensor gathers tested motor and accompanies the examination voltage of motor, current signal the signal collected is sent into PLC through power analyzer, when carrying out the test of direct current generator pattern, employing DC current unit is powered, now Hall element gather tested motor and accompany the examination voltage of motor, current signal and the signal that will collect sends into PLC); Temperature sensor gathers tested motor and accompanies the temperature signal of examination motor and the temperature signal collected is sent into PLC, torque rotary speed sensor 16 gathers the tach signal of tested motor and tach signal is sent into PLC, the signal of reception is sent into host computer and is carried out showing and storing by PLC, by voltage, electric current, temperature, rotating speed, the isoparametric correlated performance data measuring the tested motor of reflection of torque, can judge whether tested motor meets designing requirement, the quality of quality and the target of improvement and direction by these data.
Claims (6)
1. an AC/DC motor type approval test pick-up unit, comprise test platform, supply unit and measure and control device, described test platform is provided with tested motor and accompanies examination motor, tested motor with accompany examination motor be coaxially connected by shaft coupling, it is characterized in that: described supply unit comprises AC power unit and DC power source unit, the input end of described AC power unit is connected with ac bus, the output terminal of AC power unit through frequency converter respectively with tested motor, examination motor is accompanied to be connected, the input end of described DC power source unit is connected with ac bus, the output terminal of DC power source unit respectively with tested motor, examination motor is accompanied to be connected, described measure and control device tries motor with tested motor be connected with accompanying respectively.
2. AC/DC motor type approval test pick-up unit as claimed in claim 1, it is characterized in that: described AC power unit comprises rectifier transformer, three-phase commutation bridge group, energy-storage units, digital power and wave filter, the input end of described rectifier transformer is connected with ac bus, the output terminal of rectifier transformer, three-phase commutation bridge group, energy-storage units, digital power, wave filter, frequency converter connect successively, described frequency converter respectively with tested motor, accompany and try motor and be connected.
3. AC/DC motor type approval test pick-up unit as claimed in claim 2, is characterized in that: described rectifier transformer is 12 arteries and veins phase-shifting rectifier transformers.
4. AC/DC motor type approval test pick-up unit as claimed in claim 2, is characterized in that: described three-phase commutation bridge group comprises the three-phase commutation bridge of two series connection.
5. AC/DC motor type approval test pick-up unit as claimed in claim 1, it is characterized in that: described DC power source unit comprises pressure regulator, three-phase commutation bridge and two cover field power supplies, the input end of described pressure regulator is connected with ac bus, the output terminal of pressure regulator is connected with the input end of three-phase commutation bridge, the output terminal of three-phase commutation bridge and tested motor, accompany and try motor and be connected, the input ends of two cover field power supplies are all connected with ac bus, output terminal and the tested motor of two cover field power supplies, accompany and try motor and be connected.
6. AC/DC motor type approval test pick-up unit as claimed in claim 5, it is characterized in that: described measure and control device comprises host computer, PLC, power analyzer, Hall element, temperature sensor, torque rotary speed sensor and variable-frequency power sensor, described tested motor is equipped with temperature sensor with accompanying on examination motor, the signal output part of temperature sensor is connected with PLC, torque rotary speed sensor is arranged on shaft coupling, the signal output part of torque rotary speed sensor is connected with PLC, between the output terminal of three-phase commutation bridge and tested motor, the output terminal of three-phase commutation bridge and accompany and try between motor, between the output terminal of field power supply and tested motor, the output terminal of field power supply and accompany and try to be equipped with Hall element between motor, the signal output part of Hall element is connected with PLC, the input end of variable-frequency power sensor is connected with frequency converter, the output terminal of variable-frequency power sensor, power analyzer, PLC is connected in series successively, described PLC and host computer, frequency converter is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513112.7U CN204789943U (en) | 2015-07-16 | 2015-07-16 | Hand over direct current motor type test detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513112.7U CN204789943U (en) | 2015-07-16 | 2015-07-16 | Hand over direct current motor type test detection device |
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| Publication Number | Publication Date |
|---|---|
| CN204789943U true CN204789943U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520513112.7U Expired - Fee Related CN204789943U (en) | 2015-07-16 | 2015-07-16 | Hand over direct current motor type test detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699105A (en) * | 2016-01-29 | 2016-06-22 | 成都乐创自动化技术股份有限公司 | An ST test system and method for an alternating current servo system |
| CN107085185A (en) * | 2017-05-15 | 2017-08-22 | 中车株洲电机有限公司 | A kind of motor temperature-raising experiment device |
| CN109581217A (en) * | 2017-09-28 | 2019-04-05 | 株洲变流技术国家工程研究中心有限公司 | A kind of pilot system of permanent magnet coupling speed regulator |
| CN112649729A (en) * | 2020-11-26 | 2021-04-13 | 天地（常州）自动化股份有限公司 | Test system and test method for comprehensively evaluating control performance of frequency converter |
| CN114114013A (en) * | 2021-12-03 | 2022-03-01 | 上海煤科检测技术有限公司 | Feedback small-sized motor test platform |
-
2015
- 2015-07-16 CN CN201520513112.7U patent/CN204789943U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699105A (en) * | 2016-01-29 | 2016-06-22 | 成都乐创自动化技术股份有限公司 | An ST test system and method for an alternating current servo system |
| CN105699105B (en) * | 2016-01-29 | 2019-04-02 | 成都乐创自动化技术股份有限公司 | The ST test macro and method of AC servo |
| CN107085185A (en) * | 2017-05-15 | 2017-08-22 | 中车株洲电机有限公司 | A kind of motor temperature-raising experiment device |
| CN109581217A (en) * | 2017-09-28 | 2019-04-05 | 株洲变流技术国家工程研究中心有限公司 | A kind of pilot system of permanent magnet coupling speed regulator |
| CN112649729A (en) * | 2020-11-26 | 2021-04-13 | 天地（常州）自动化股份有限公司 | Test system and test method for comprehensively evaluating control performance of frequency converter |
| CN114114013A (en) * | 2021-12-03 | 2022-03-01 | 上海煤科检测技术有限公司 | Feedback small-sized motor test platform |
| CN114114013B (en) * | 2021-12-03 | 2024-04-09 | 上海煤科检测技术有限公司 | Feedback small motor test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20151118 Termination date: 20160716 |