CN105738804A - Motor stability parameter test system and method - Google Patents
Motor stability parameter test system and method Download PDFInfo
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- CN105738804A CN105738804A CN201610074190.0A CN201610074190A CN105738804A CN 105738804 A CN105738804 A CN 105738804A CN 201610074190 A CN201610074190 A CN 201610074190A CN 105738804 A CN105738804 A CN 105738804A
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- motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- General Physics & Mathematics (AREA)
- Control Of Electric Motors In General (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention provides a motor stability parameter test system and method. The system is connected with an AC power supply and a tested motor and comprises a contactor, a winding temperature rise test component, a motor power test component, a motor commonly used parameter test component and a control terminal. The winding temperature rise test component is used for measuring dynamic temperature rise of each motor winding and recording final temperature rise of each motor winding. The motor power test component is used for measuring operation voltage, operation current and the power factor of the tested motor. The motor commonly used parameter test component is used for measuring surface temperature rise and operation speed of the tested motor and environmental temperature and humidity. The test parameters are transmitted to the control terminal through the network. Labor cost of the stability parameter measurement process of a single-phase AC motor under the on-load state can be saved through the test components and the test flow, test precision can be enhanced, and damage to a tester in the test process can be avoided. Besides, any motor can be tested without installing the test components in the internal part of the motor.
Description
Technical field
The present invention relates to parameter of electric machine field tests, particularly relate to a kind of its stability parameter test system and method.
Background technology
Load motor plays a very important role in national economy, especially prominent in household electric appliances, and almost all of home electronic appliance equipment all be unable to do without various motor, such as air-conditioning, refrigerator, computer, lampblack absorber etc..If motor damage or break down and will make troubles to resident living, and if producer is in process of production due to the appearance quality problems that the carelessness of measurement process has been purchased the motor that there is quality flaw or application risk and caused entire block, this loss that producer is caused will be difficult to estimate.Therefore, measuring motor stability at rated loads is the link that each manufacturer must pay attention to.
The stability that motor runs at rated loads, decides the performance after product export and whether quality can reach design standard.The stability that single-phase AC motor runs at rated loads has following index:
1. under 1.1 times of conditions of rated voltage, the maximum temperature rise of motor internal major-minor winding；2. under rated voltage, the maximum temperature rise of outer surface of motor；3. under rated voltage, the operation voltage of motor；4. under rated voltage, the revolution electric current of motor；5. under rated voltage, the power factor of motor；6. under rated voltage, the running speed of motor；7. the humiture of test environment.
At present, the test of above parameter is required for adopting different detection equipment and different method of testings, testing time span is long, it is necessary to detection person follows the tracks of at any time, and required tester's quantity is big, need motor producer that each winding cloth is tested sensor before measurement, can not to any electromechanical testing, testing efficiency is low, and due to the carelessness in certain operations, it is likely to introduce personal error to test result, affects final judgement.Whole test process is likely to the power on/off with certain number of times and forces the operation of power failure machine, and careless slightly, operator will be likely to injured.
Summary of the invention
Based on this, it is necessary to provide its stability parameter test system that a kind of low cost, precision are high, efficiency is high.
The invention provides a kind of its stability parameter test system, be connected with alternating current power supply and by measured motor, including catalyst, winding temperature rise test suite, power of motor test suite, motor Common Parameters test suite and control terminal；
The input of described catalyst is connected with described alternating current power supply, and described catalyst is by described its opening and closing of control terminal control；
Described winding temperature rise test suite is connected to the outfan of described catalyst and described, between the winding terminals of measured motor, is used for measuring each dynamic temperature rise of motor winding and recording its final temperature rise；
Described power of motor test suite is connected to the outfan of described catalyst and described by between the power port of measured motor, described by the operation voltage of measured motor, revolution electric current and power factor for measuring；
Described motor Common Parameters test suite is arranged at described by the periphery of measured motor, described by the surface temperature rise of measured motor, running speed and ambient temperature and humidity for measuring；
Described winding temperature rise test suite, power of motor test suite and motor Common Parameters test suite are connected with described control terminal network, and respectively through network by test parameter transmission to described control terminal.
Present invention also offers a kind of its stability parameter test method, the method is based on above-mentioned its stability parameter test system, and the method includes:
The output voltage arranging described alternating current power supply is presetting again of tested Rated motor voltage；
Control described catalyst adhesive；
Described in timing controlled, winding temperature rise test suite, power of motor test suite and motor Common Parameters test suite gather relevant parameter data；
The supplemental characteristic collected is uploaded to described control terminal；
Control described catalyst to disconnect, close described alternating current power supply.
Above-mentioned test system and method passes through test suite and testing process, can not only automatically the winding temperature rise under kinetic measurement load motor bringing onto load, surface temperature rise, operation voltage, revolution electric current, power factor, running speed, and process of measuring saves labour cost, improve measuring accuracy, it is to avoid test process brings harm to test man；Save the labour cost of single-phase AC motor bringing onto load stability inferior parameter measurement process, improve measuring accuracy, it is to avoid test process brings harm to test man.It addition, can to any electromechanical testing, it is not necessary to test suite is installed into motor internal.
Accompanying drawing explanation
Fig. 1 is the module diagram of its stability parameter test system in present pre-ferred embodiments；
Fig. 2 is the flow chart of its stability parameter test method in present pre-ferred embodiments.
Detailed description of the invention
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, its stability parameter test system in present pre-ferred embodiments, it is connected with alternating current power supply 10 and by measured motor 20, this system can be tested in the load-carrying situation of motor.Test system includes catalyst 21, winding temperature rise test suite 22, power of motor test suite 23, motor Common Parameters test suite 24 and controls terminal 25.
The input of described catalyst 21 is connected with described alternating current power supply 10, and described catalyst 21 is controlled its opening and closing by described control terminal 25.Described winding temperature rise test suite 22 is connected between the outfan of described catalyst 21 and the described winding terminals by measured motor 20, is used for measuring each dynamic temperature rise of motor winding and recording its final temperature rise.Described power of motor test suite 23 is connected between the outfan of described catalyst 21 and the described power port by measured motor 20, described by the operation voltage of measured motor 20, revolution electric current and power factor for measuring.Described motor Common Parameters test suite 24 is arranged at the described periphery by measured motor 20, described by the surface temperature rise of measured motor 20, running speed and ambient temperature and humidity for measuring.Described winding temperature rise test suite 22, power of motor test suite 23 and motor Common Parameters test suite 24 are connected with described control terminal 25 network, and respectively through network by test parameter transmission to described control terminal 25.
In the present embodiment, catalyst 21 is as the main switch controlling whole test system.And actually motor Common Parameters test suite 24 is also by catalyst 21 incoming transport power supply 10.
Winding temperature rise test suite 22 includes charged winding temperature rise tester 222 and relay 224, the power end of described charged winding temperature rise tester 222 is connected with the outfan of described catalyst 21, the signal serial ports of described charged winding temperature rise tester 222 is connected with described control terminal 25, the test side of described charged winding temperature rise tester 222 is connected with contact switch one end of described relay 224, the coil of described relay 224 is connected with described control terminal 25, described relay 224 under the control of described control terminal 25 and described by each winding terminals of measured motor 20 between switching.Relay 224 can switch the operation resistance testing on each winding terminals between by each winding terminals of measured motor 20 under the control controlling terminal 25.
The timing of charged winding temperature rise tester 222 detects the described resistance by each motor winding of measured motor 20 and obtains real time temperature, and alternating current power supply 10 signal that described charged winding temperature rise tester 222 accesses is in order to make signal compensation to detection signal.Charged winding temperature rise tester 222 and each winding terminals connect the resistance and temperature that then can detect on winding.Need not needing motor producer that each winding cloth is tested sensor before measuring, it is possible to any motor is tested, testing efficiency is high.
Power of motor test suite 23 includes power measuring 231, described power measuring 231 power input is connected with the outfan of described catalyst 21, the outfan of described power measuring 231 is connected with the described power supply terminal by measured motor 20, and the signal serial ports of described power measuring 231 is connected with described control terminal 25.Power measuring 231 detects the real-time motion voltage of motor, revolution electric current and power factor.
Described motor Common Parameters test suite 24 includes multiplex temperature collection instrument 242, Temperature Humidity Sensor 244 and laser tachometer 246；Described temperature sensor 242 is arranged at the described surface by measured motor 20, for measuring the described surface temperature by measured motor 20；Described Temperature Humidity Sensor 244 is for measurement ring environmental temperature and humidity；Described laser tachometer 246 is used for measuring motor speed.
Described control terminal 25 includes computer 252, gsm module 254 and wireless radio frequency modules 256, described computer 252 is connected with gsm module 254 and wireless radio frequency modules 256 by serial ports, described gsm module 254 is for sending measurement result to mobile terminal (not shown), as sent this measurement result in the way of note or mail；Described wireless radio frequency modules 256 is based on wireless Modbus agreement, with described catalyst 21, winding temperature rise test suite 22, power of motor test suite 23 and motor Common Parameters test suite 24 network service；Described computer 252 is for sending control instruction by described wireless radio frequency modules 256, and shows and storage measurement result.It can thus be appreciated that, one or more in winding temperature rise test suite 22, power of motor test suite 23 and motor Common Parameters test suite 24 are provided with wireless RF receivers, receive the control instruction of the computer 252 that wireless radio frequency modules 256 sends, and transmit to each controlled assembly.
The flow process of test system is: 1. measured the dynamic temperature rise of motor winding by winding temperature rise test suite 22 and record its final temperature rise；2. measured the surface temperature rise of motor, operation voltage, revolution electric current, power factor, running speed by power of motor test suite 23 and motor Common Parameters test suite 24；3. measurement is complete sends relevant short message to tester.
Additionally, refer to Fig. 1 and Fig. 2, additionally providing a kind of its stability parameter test method, the method comprises the following steps:
Step S110, the output voltage arranging described alternating current power supply 10 is presetting again by measured motor 20 rated voltage；In in the present embodiment, the output voltage of alternating current power supply 10 is set as 1.1 times of rated voltage.In other embodiments, different multiples can be optionally set.
Step S120, controls the adhesive of described catalyst 21.Control by controlling terminal 25 transmitting control commands.
Step S130, described in timing controlled, winding temperature rise test suite 22, power of motor test suite 23 and motor Common Parameters test suite 24 gather relevant parameter data.Specifically, the temperature of motor winding is detected by charged winding temperature rise tester 222；The temperature of motor is detected by multiplex temperature collection instrument 242；Temperature Humidity Sensor 244 detects the humiture of the working environment of motor；The running speed of motor is detected by laser tachometer 246；The real-time motion voltage of motor, revolution electric current and power factor is detected by power measuring 231.
Step S140, uploads to described control terminal 25 by the supplemental characteristic collected.The parameters data detected are uploaded to described control terminal 25 by network by each assembly.The computer 252 controlled in terminal 25 shows and stores measurement result.
Step S150, controls described catalyst 21 and disconnects, close described alternating current power supply 10.
Further, controlling terminal 25 and can pass through gsm module 254 by measurement result transmission to mobile terminal, system test completes.
Preferably, gather in the step of relevant parameter data at winding temperature rise test suite 22 described in timing controlled: compare the difference of the winding temperature that front and back collect for twice, it is 0 and after continuing for some time until difference, records the described maximum temperature rise data by measured motor 20 winding；Meanwhile, the surface temperature of motor is also raised to the highest, and can directly record is now maximum surface temperature by the surface temperature of measured motor 20.
Above-mentioned test system and method by test suite and testing process can not only automatically the winding temperature rise under kinetic measurement load motor bringing onto load, surface temperature rise, operation voltage, revolution electric current, power factor, running speed, and process of measuring saves labour cost, improve measuring accuracy, it is to avoid test process brings harm to test man；Save the labour cost of single-phase AC motor bringing onto load stability inferior parameter measurement process, improve measuring accuracy, it is to avoid test process brings harm to test man.It addition, can to any electromechanical testing, it is not necessary to test suite is installed into motor internal.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (8)
1. an its stability parameter test system, is connected with alternating current power supply and by measured motor, it is characterised in that includes catalyst, winding temperature rise test suite, power of motor test suite, motor Common Parameters test suite and controls terminal；
The input of described catalyst is connected with described alternating current power supply, and described catalyst is by described its opening and closing of control terminal control；
Described winding temperature rise test suite is connected to the outfan of described catalyst and described, between the winding terminals of measured motor, is used for measuring each dynamic temperature rise of motor winding and recording its final temperature rise；
Described power of motor test suite is connected to the outfan of described catalyst and described by between the power port of measured motor, described by the operation voltage of measured motor, revolution electric current and power factor for measuring；
Described motor Common Parameters test suite is arranged at described by the periphery of measured motor, described by the surface temperature rise of measured motor, running speed and ambient temperature and humidity for measuring；
Described winding temperature rise test suite, power of motor test suite and motor Common Parameters test suite are connected with described control terminal network, and respectively through network by test parameter transmission to described control terminal.
2. the system as claimed in claim 1, it is characterized in that, described winding temperature rise test suite includes charged winding temperature rise tester and relay, the described power end of charged winding temperature rise tester is connected with the outfan of described catalyst, the signal serial ports of described charged winding temperature rise tester is connected with described control terminal, the described test side of charged winding temperature rise tester is connected with contact switch one end of described relay, the coil of described relay is connected with described control terminal, described relay under the control of described control terminal and described by each winding terminals of measured motor between switching.
3. system as claimed in claim 2, it is characterized in that, the timing of described charged winding temperature rise tester detects the described resistance by each motor winding of measured motor and obtains real time temperature, and the ac supply signal that described charged winding temperature rise tester accesses is in order to make signal compensation to detection signal.
4. the system as described in claim 1,2 or 3, it is characterized in that, described power of motor test suite includes power measuring, the power input of described power measuring is connected with the outfan of described catalyst, the outfan of described power measuring is connected by the power supply terminal of measured motor with described, and the signal serial ports of described power measuring is connected with described control terminal.
5. the system as described in claim 1,2 or 3, it is characterised in that described motor Common Parameters test suite includes multiplex temperature collection instrument, Temperature Humidity Sensor and laser tachometer；
Described temperature sensor is arranged at described by the surface of measured motor, described by the surface temperature of measured motor for measuring；Described Temperature Humidity Sensor is used for measurement ring environmental temperature and humidity；Described laser tachometer is used for measuring motor speed.
6. the system as described in claim 1,2 or 3, it is characterized in that, described control terminal includes computer, gsm module and wireless radio frequency modules, and described computer is connected with gsm module and wireless radio frequency modules by serial ports, and described gsm module is for sending measurement result to mobile terminal；Described wireless radio frequency modules is based on wireless Modbus agreement, with described catalyst, winding temperature rise test suite, power of motor test suite and motor Common Parameters test suite network service；Described computer is for sending control instruction by described wireless radio frequency modules, and shows and storage measurement result.
7. an its stability parameter test method, it is characterised in that the method is based on its stability parameter test system described in any one of claim 1 to 6, and the method includes:
The output voltage arranging described alternating current power supply is presetting again of tested Rated motor voltage；
Control described catalyst adhesive；
Described in timing controlled, winding temperature rise test suite, power of motor test suite and motor Common Parameters test suite gather relevant parameter data；
The supplemental characteristic collected is uploaded to described control terminal；
Control described catalyst to disconnect, close described alternating current power supply.
8. method as claimed in claim 7, it is characterized in that, gather in the step of relevant parameter data at winding temperature rise test suite described in timing controlled: compare the difference of the winding temperature that front and back collect for twice, it is 0 and after continuing for some time until difference, records described by the maximum temperature rise data of measured motor winding；Record by the surface temperature of measured motor is maximum surface temperature simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074190.0A CN105738804A (en) | 2016-02-02 | 2016-02-02 | Motor stability parameter test system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074190.0A CN105738804A (en) | 2016-02-02 | 2016-02-02 | Motor stability parameter test system and method |
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| CN105738804A true CN105738804A (en) | 2016-07-06 |
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| CN201610074190.0A Pending CN105738804A (en) | 2016-02-02 | 2016-02-02 | Motor stability parameter test system and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707164A (en) * | 2017-01-03 | 2017-05-24 | 重庆长安汽车股份有限公司 | ISG motor temperature field experiment method and system |
| CN108205112A (en) * | 2017-12-26 | 2018-06-26 | 深圳怡化电脑股份有限公司 | For detecting the system of stability, method, equipment and storage medium |
| CN108318814A (en) * | 2017-12-29 | 2018-07-24 | 杭州威衡科技有限公司 | A kind of motor safe operation data transmission system |
| CN108375728A (en) * | 2017-12-29 | 2018-08-07 | 杭州威衡科技有限公司 | A kind of electromechanical testing process dynamics response harvester |
| CN108919122A (en) * | 2018-08-03 | 2018-11-30 | 珠海格力智能装备有限公司 | temperature rise test method and device |
| CN111426499A (en) * | 2020-05-11 | 2020-07-17 | 杭州老板电器股份有限公司 | Method and system for detecting operation reliability of variable frequency range hood |
| CN113917262A (en) * | 2021-10-08 | 2022-01-11 | 深圳市好盈科技有限公司 | Automatic testing system and method for power system |
-
2016
- 2016-02-02 CN CN201610074190.0A patent/CN105738804A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707164A (en) * | 2017-01-03 | 2017-05-24 | 重庆长安汽车股份有限公司 | ISG motor temperature field experiment method and system |
| CN108205112A (en) * | 2017-12-26 | 2018-06-26 | 深圳怡化电脑股份有限公司 | For detecting the system of stability, method, equipment and storage medium |
| CN108318814A (en) * | 2017-12-29 | 2018-07-24 | 杭州威衡科技有限公司 | A kind of motor safe operation data transmission system |
| CN108375728A (en) * | 2017-12-29 | 2018-08-07 | 杭州威衡科技有限公司 | A kind of electromechanical testing process dynamics response harvester |
| CN108919122A (en) * | 2018-08-03 | 2018-11-30 | 珠海格力智能装备有限公司 | temperature rise test method and device |
| CN111426499A (en) * | 2020-05-11 | 2020-07-17 | 杭州老板电器股份有限公司 | Method and system for detecting operation reliability of variable frequency range hood |
| CN113917262A (en) * | 2021-10-08 | 2022-01-11 | 深圳市好盈科技有限公司 | Automatic testing system and method for power system |
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Application publication date: 20160706 |