CN203337792U - Motor type test system - Google Patents
Motor type test system Download PDFInfo
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- CN203337792U CN203337792U CN2013203058861U CN201320305886U CN203337792U CN 203337792 U CN203337792 U CN 203337792U CN 2013203058861 U CN2013203058861 U CN 2013203058861U CN 201320305886 U CN201320305886 U CN 201320305886U CN 203337792 U CN203337792 U CN 203337792U
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Abstract
The utility model relates to a motor type test system, comprising a measure control cabinet, a control platform, a power supply control cabinet and a GC4060 electronic inner feedback frequency conversion power supply. The measure control cabinet is connected with the GC4060 electronic inner feedback frequency conversion power supply, the control platform and the motor to be tested; by running a PLC program preassembled in a PLC module unit, on-site equipment is controlled, data of the motor to be tested is measured, acquired, monitored and processed, the configuration software of a host computer is communicated with the PLC module unit through a CP5611 card; automatic project selection and control for the motor to be tested are realized, and a data report is automatically generated; and a frequency conversion power supply remote control unit, a GC2464 microprocessor multifunctional digital power meter, a GC9100 microprocessor intelligent motor parameter tester, a GC9300 microprocessor torque rotating speed tester, a computer and a printer are integrated in the control platform and are mutually connected by communication through communication interfaces. The motor type test system is advantageous in that the measure precision is high, test project data is directly calculated, the report is automatically recorded, automatically generated and printed, the structure is simple, and the application scope is wide.
Description
Technical field
The utility model relates to motor test equipment, particularly a kind of electrical type tests test macro.
Background technology
Electrical type tests equipment is for detection of the motor performance testing equipment.Being applicable to the middle and small motor test of motor testing agency and large and middle size motor testing station, is middle and small motor industry efficiency test and authenticating device.Pilot project comprises direct current resistance, no-load test, load test, locked rotor test, temperature rise test.
At present, the mode that the project test of motor both domestic and external testing agency adopts usually is: the instrument and meter that utilizes function singleness is to detections of itemize of each project, then by the result data collective analysis, and comprehensive proposition evaluation.This detection mode, manually participate in ratio high, and station is changed frequent, and detection time is long, and test facilities are simple and crude, and measuring accuracy is low, measures the output manual record, and labour intensity is large, and whole process is that manually-operated completes basically., read the factors such as deviation that liquid level numerical value causes and can cause very large impact to the precision of measuring, so the automaticity of existing apparatus being very low, measuring accuracy is not high.
Summary of the invention
The purpose of this utility model is exactly for overcoming the deficiencies in the prior art, for the not high present situation of existing electrical type tests plant automation degree, providing a kind of has than the technical scheme of the electrical type tests system of high automation degree, makes that test macro reaches that measuring accuracy is high, good operating stability, test favorable repeatability; Install applied widely; The level that the unit engineering cost is low, automaticity is high.
The utility model is to realize by such technical scheme: a kind of electrical type tests test macro, comprise and measure switch board, control desk, electrical power control cabinet and GC4060 electronic internal-feedback frequency conversion power source, it is characterized in that, comprise PLC modular unit and the electric wiring connected and composed by contactor, electrothermal relay, auxiliary reclay in described measurement switch board, be equipped with on the PLC switch board for switching manual and automatic switch;
The PLC modular unit comprises CPU module, power module, digital quantity input module, digital output module and analog input module, measures switch board and is connected with GC4060 electronic internal-feedback frequency conversion power source, control desk, tested motor respectively;
In described control desk, integrated variable-frequency power sources remote control unit, GC2464 microprocessor multifunctional digital power meter, GC9100 microprocessor intelligence parameter of electric machine tester, GC9300 microprocessor torque rotary speed tester, computing machine and printer, communicate to connect mutually by communication interface;
Three-phase 380V alternating current access electrical power control cabinet, one group of three-phase power output end of electrical power control cabinet connects the three-phase power input end of GC4060 electronic internal-feedback frequency conversion power source, the three-phase power output end of GC4060 electronic internal-feedback frequency conversion power source connects respectively the measurement switch board, accompanies the examination motor, provide three-phase 380V AC power to it, the three-phase power output end of measuring switch board connects tested motor;
Simultaneously, electrical power control cabinet is drawn a phase line and zero line, by pressure regulator, connects and measures switch board, and the 220V alternating-current power supply is provided, and as the secondary line of measuring switch board, controls power supply;
System connects the GC4060 electronic internal-feedback frequency conversion power source by the control of variable-frequency power sources remote control unit;
Torque rotary speed sensor connects signal isolator, and signal isolator is connected with the PLC modular unit with the GC9300 microprocessor torque rotary speed tester of control desk respectively.
The utility model has the advantages that: the technical scheme of electrical type tests test macro, adopt the mode of meter specially, computing machine and the combination of PLC modular unit to carry out electrical type tests, realize automatically controlling, its advantage is, measuring accuracy is high, and the plant automation degree is high, has reduced the conversion process, can directly calculate the test event data, can automatically record, automatically generate and printing reports; Test macro can meet the type approval test of 0.15kW-30kW threephase asynchronous, and it is definite that efficiency can be passed through A method, B method and three kinds of methods of E1 method, and test method meets the relevant regulations of GB1032-2005.Apparatus structure is simple, applied widely.
The accompanying drawing explanation
Fig. 1 is the electrical type tests system construction drawing.
Embodiment
Understand the utility model for clearer, describe in conjunction with the accompanying drawings and embodiments the utility model in detail:
As shown in Figure 1, the electrical type tests test macro, comprise and measure switch board, control desk, electrical power control cabinet and GC4060 electronic internal-feedback frequency conversion power source, measure in switch board and comprise PLC modular unit and the electric wiring connected and composed by contactor, electrothermal relay, auxiliary reclay, on the PLC switch board, switch is housed, for switching manual and automatic running status;
The PLC modular unit comprises CPU module, power module, digital quantity input module, digital output module and analog input module, measures switch board and is connected with GC4060 electronic internal-feedback frequency conversion power source, control desk, tested motor respectively;
When measurement switch board switch is switched to automatic running status: measure switch board by the PLC programmed control field apparatus of operation PLC modular unit prepackage, realize measurement, collection, monitoring and the processing of tested motor data, the configuration software operated on host computer is communicated by letter with the PLC modular unit by CP 5611 cards; Operation host computer configuration software is controlled window, realizes automatic selection and control to tested motor project, and by configuration software automatically generated data form;
In control desk, integrated variable-frequency power sources remote control unit, GC2464 microprocessor multifunctional digital power meter, GC9100 microprocessor intelligence parameter of electric machine tester, GC9300 microprocessor torque rotary speed tester, computing machine and printer, communicate to connect mutually by communication interface;
Three-phase 380V alternating current access electrical power control cabinet, one group of three-phase power output end of electrical power control cabinet connects the three-phase power input end of GC4060 electronic internal-feedback frequency conversion power source, to it, provides three-phase 380V AC power;
The three-phase power output end of GC4060 electronic internal-feedback frequency conversion power source connects respectively the measurement switch board, accompanies the examination motor, to it, provides three-phase 380V AC power, and the three-phase power output end of measuring switch board connects tested motor;
Simultaneously, electrical power control cabinet is drawn a phase line and zero line, by the pressure regulator pressure regulation, to measuring switch board, provides the 220V alternating-current power supply, as secondary line, controls power supply;
The three-phase power output end of GC4060 electronic internal-feedback frequency conversion power source connects measures the switch board three-phase power input end, and the three-phase power output end of measuring switch board connects tested motor;
System is controlled the three-phase 380V alternating current output frequency of GC4060 electronic internal-feedback frequency conversion power source by the variable-frequency power sources remote control unit;
Gather torque, tach signal by torque rotary speed sensor, the signal detected reaches respectively GC9300 microprocessor torque rotary speed tester and the PLC modular unit of control desk by signal isolator;
Signal isolator is a kind of employing linear optical coupling separation principle, and input signal is changed to output.Input, output and working power three isolate mutually, are particularly suitable for the equipment instrument adapted with the isolation of needs electricity.Signal isolator has another name called signal converter, signal conditioner, is important component part in industrial control system.
The type approval test test macro of the present embodiment can meet the type approval test of 0.15kW-30kW threephase asynchronous, and it is definite that efficiency can be passed through A method, B method and three kinds of methods of E1 method, and test method meets the relevant regulations of GB1032-2005.
The type approval test test macro of the present embodiment comprises:
1, GC2464 microprocessor multifunctional digital power meter
2.GC9100 microprocessor intelligence parameter of electric machine tester
3.GC9100 sensor (containing torque, rotating speed)
4.GC9300 microprocessor torque rotary speed tester
5. computing machine
6. color inkjet printer
7.JC series sensor
8. insulation resistance instrument
9.GC9200 voltage resistant instrument (3000V)
10.GC2011-05 automatic decision turn-to-turn instrument
11. variable-frequency power sources remote control unit
Utilize the test event that the type approval test test macro of the present embodiment can carry out to comprise:
Direct current resistance: motor at ambient temperature, is measured its direct current resistance with four-end method, can converse the resistance value under reference temperature.
No-load test: allow motor no-load running under rated voltage, rated frequency, until mechanical loss reaches stable, then since 1.1～1.3 times of rated voltages, progressively reduce voltage, until the current of electric bottom out measures 7～9 data therebetween, recording voltage, electric current and power input value, finally draw no-load characteristic, analytical calculation copper loss, iron loss, machinery consumption.
Load test: when the temperature of motor approaches when thermally-stabilised, add rated voltage to motor, by changing motor load, evenly measure 6～8 data in 1.25～0.25 times of nominal load scopes, record voltage, electric current, power input, output power, rotating speed and the torque of at every, can adopt the loss analysis method of recommendation to determine efficiency by input/output method or load stray loss, and draw family curve.
Locked rotor test: at motor, approach under cold state and carry out, during test, equipment can be blocked rotor by external force, from 1.1 times of rated voltage, reduce voltage when approaching the motor rated current till, measure 6～8 points therebetween, read voltage, electric current, power and torque, and draw torque characteristic curve.When adopting electric-resistivity method to survey stall, the numerical value of read-only power taking pressure, electric current, power, every side is completeer, measures the resistance value of stator winding, takes this to calculate corresponding torque value.Finally can draw the locked rotor characteristic curve of motor.
Temperature rise test: this equipment adopts electric-resistivity method to do temperature rise test, and after the motor operation is thermally-stabilised, outage measures the resistance value depression curve of a certain winding, can instead shift the outage resistance value of moment onto, and ask for winding temperature rise with this resistance value and cold conditions data.In process of the test, but the autostable load, and after temperature rise is stable, the prompting user shutdown of cutting off the power supply, to carry out following pilot project.
1, the M-s curve test function of part motor is provided according to the DC generator load capacity
By giving motor regulating load method, make tested motor under rated voltage from the zero load to the stall, again from the stall to the zero load, torque rotary speed at that time of record and the magnitude of voltage of corresponding point in this process, can on screen, draw its M-s curve, and find the minimum torque point from climb curve, and find maximum torque point from the reduction of speed curve, find the last electricity consumption of result and compress into row correction.Above two curves can be completed automatically by computing machine.
Performance index:
Direct current resistance: 0.02～200 Ω, 0.2%
Alternating voltage: 0～600V, 0.2%
Alternating current: 0～5A, 0.2%
Current transformer: 0.2%
Active power: 0.5%
Temperature :-20～200 ℃,
The type approval test test macro of the present embodiment is selected electronic internal-feedback frequency conversion power source.This power supply integrate tested motor sine-wave power (degree of distortion<3% > and accompany the examination motor power.This technology has been started new era of motor test field of power supplies, is the revolution of motor test power supply.The characteristics of this power supply maximum are that the mode of electric power feedback is carried out in power supply inside, and feedback grid, do not adopt load consumption yet, therefore can be energy-conservation more than 70%.The basic functional principle of this power supply is: be commercial power rectification direct current, then pass through inversion unit, become sine wave, after filtering, transformer isolation produces pure sine wave (degree of distortion<3%), frequency range 47-63HZ.Feedback unit is a Based Intelligent Control synchronous rectification, when accompanying the examination machine operation in fourth quadrant (generating state), through DSP, adopting particular algorithm to control this unit is AC rectification direct current, feeds back to DC bus (because be the direct current feedback, pollution-free to electrical network).During use, only need the asynchronous machine of two same model to get final product dragging.The advantage of this power supply: 1. energy-conservation more than 70%; 2. take up an area little, noiselessness; 3. frequency is adjustable, has solved the testing power supply problem of Motor Export (60HZ); 4. can enlarge 4 times of type approval tests of making large motor with the power transformer (electric substation) of low capacity; 5. easy to use, load can lock, not drift; 6. Installation and Debugging are simple.
According to the above description, can realize scheme of the present utility model in conjunction with art technology.
Claims (1)
1. an electrical type tests test macro, comprise and measure switch board, control desk, electrical power control cabinet and GC4060 electronic internal-feedback frequency conversion power source, it is characterized in that, comprise PLC modular unit and the electric wiring connected and composed by contactor, electrothermal relay, auxiliary reclay in described measurement switch board, be equipped with on the PLC switch board for switching manual and automatic switch;
The PLC modular unit comprises CPU module, power module, digital quantity input module, digital output module and analog input module, measures switch board and is connected with GC4060 electronic internal-feedback frequency conversion power source, control desk, tested motor respectively;
In described control desk, integrated variable-frequency power sources remote control unit, GC2464 microprocessor multifunctional digital power meter, GC9100 microprocessor intelligence parameter of electric machine tester, GC9300 microprocessor torque rotary speed tester, computing machine and printer, communicate to connect mutually by communication interface;
Three-phase 380V alternating current access electrical power control cabinet, one group of three-phase power output end of electrical power control cabinet connects the three-phase power input end of GC4060 electronic internal-feedback frequency conversion power source, the three-phase power output end of GC4060 electronic internal-feedback frequency conversion power source connects respectively the measurement switch board, accompanies the examination motor, provide three-phase 380V AC power to it, the three-phase power output end of measuring switch board connects tested motor;
Simultaneously, electrical power control cabinet is drawn a phase line and zero line, by pressure regulator, connects and measures switch board, and the 220V alternating-current power supply is provided, and as the secondary line of measuring switch board, controls power supply;
System connects the GC4060 electronic internal-feedback frequency conversion power source by the control of variable-frequency power sources remote control unit;
Torque rotary speed sensor connects signal isolator, and signal isolator is connected with the PLC modular unit with the GC9300 microprocessor torque rotary speed tester of control desk respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203058861U CN203337792U (en) | 2013-05-30 | 2013-05-30 | Motor type test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203058861U CN203337792U (en) | 2013-05-30 | 2013-05-30 | Motor type test system |
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| CN203337792U true CN203337792U (en) | 2013-12-11 |
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| CN2013203058861U Expired - Fee Related CN203337792U (en) | 2013-05-30 | 2013-05-30 | Motor type test system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158660A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of constant-speed motor |
| CN105158659A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of frequency conversion motor |
| CN108196118A (en) * | 2018-02-14 | 2018-06-22 | 武汉大学 | A kind of disconnecting switch output power of motor detection device |
| CN110109439A (en) * | 2019-04-03 | 2019-08-09 | 贵州航天林泉电机有限公司 | A kind of test macro of New energy automobile motor and controller |
| CN116699401A (en) * | 2023-07-27 | 2023-09-05 | 山西电机制造有限公司 | Comparison verification test method for separating iron loss and mechanical loss of ultra-efficient motor |
-
2013
- 2013-05-30 CN CN2013203058861U patent/CN203337792U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158660A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of constant-speed motor |
| CN105158659A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of frequency conversion motor |
| CN105158659B (en) * | 2015-08-31 | 2018-03-13 | 北京首钢国际工程技术有限公司 | A kind of variable-frequency motor insulation automatic checkout system |
| CN105158660B (en) * | 2015-08-31 | 2018-03-13 | 北京首钢国际工程技术有限公司 | A kind of constant speed motor insulation automatic checkout system |
| CN108196118A (en) * | 2018-02-14 | 2018-06-22 | 武汉大学 | A kind of disconnecting switch output power of motor detection device |
| CN110109439A (en) * | 2019-04-03 | 2019-08-09 | 贵州航天林泉电机有限公司 | A kind of test macro of New energy automobile motor and controller |
| CN116699401A (en) * | 2023-07-27 | 2023-09-05 | 山西电机制造有限公司 | Comparison verification test method for separating iron loss and mechanical loss of ultra-efficient motor |
| CN116699401B (en) * | 2023-07-27 | 2023-10-27 | 山西电机制造有限公司 | Comparison verification test method for separating iron loss and mechanical loss of ultra-efficient motor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140530 |