CN105548879A - Method, circuit and motor of automatic test of motor temperature rise - Google Patents
Method, circuit and motor of automatic test of motor temperature rise Download PDFInfo
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- CN105548879A CN105548879A CN201510873775.4A CN201510873775A CN105548879A CN 105548879 A CN105548879 A CN 105548879A CN 201510873775 A CN201510873775 A CN 201510873775A CN 105548879 A CN105548879 A CN 105548879A
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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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Abstract
The present invention discloses a method, circuit and motor of automatic test of motor temperature rise. The method provided by the invention comprises: presetting times and voltages required by temperature rise tests of each gear of a motor; and performing a motor temperature rise test on the basis of automatic switching of gears and automatic regulation of voltages according to the setting times and voltages to obtain the motor temperature rise test result of each gear. According to the scheme of the invention, the defects such as bad data accuracy, waste time and energy, high danger and the like are overcome in the prior art, and therefore the data accuracy is good, time and energy is saved and the safety is good.
Description
Technical field
The present invention relates to Motor Measuring Technology field, particularly, relate to a kind of automatic test approach of electric machine temperature rise, circuit and motor.
Background technology
Load motor is a kind of rotating electromagnetic machinery being used for realizing electric energy and mechanical energy and mutually changing.The test fixture of current load motor is substantially all charged winding method of testing.
Wherein, because motor (such as: load motor) has multiple gear, such as: superelevation shelves (SH), high-grade (H), middle-grade (M), low-grade (L), different gear motor speed is different.Need in test process to go artificially change gear, adjustment supply voltage and manually record related data, so not only lost time but also affected the accuracy of experimental data, and having there is certain danger.
In prior art, there is data accuracy difference, waste time and energy and the high defect of danger.
Summary of the invention
The object of the invention is to, for above-mentioned defect, propose a kind of automatic test approach of electric machine temperature rise, circuit and motor, to solve by the automatic test to electric machine temperature rise, testing of electric motors temperature rise more accurately, promotes testing efficiency, reduces the problem of difficulty of test.
One aspect of the present invention provides a kind of automatic test approach of electric machine temperature rise, comprising: preset time and voltage that each gear of motor needs temperature rise to test; Based on described time and the voltage of setting, carry out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, to obtain the electric machine temperature rise test result of each gear.
Preferably, the method also comprises: by the mode of synchronous communication, when having tested accordingly, shows corresponding electric machine temperature rise test result.
Wherein, carry out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, comprise: by the mode of automatic regulation voltage, carry out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, to complete the electric machine temperature rise test of current gear.
Further, by the mode of automatic regulation voltage, carry out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, comprise: pass through intelligent power, export the high voltage with the described voltage respective notch of setting, carry out the high-tension electric machine temperature rise test of this gear, and when the temperature rise test duration of this gear arrives the time of described setting, automatically the high-tension electric machine temperature rise test result of this gear is recorded, to complete the high-tension electric machine temperature rise test of current gear; After completing the high-tension electric machine temperature rise test of current gear, described intelligent power is made to export the low-voltage of this gear by the automatic regulation voltage of the mode of synchronous communication, and press the same way of testing with the high-tension electric machine temperature rise of this gear, carry out the electric machine temperature rise test of this gear low-voltage, to complete the electric machine temperature rise test of current gear low-voltage.
Particularly, wherein, when carrying out the test of this gear high-tension electric machine temperature rise, by intelligent power output HIGH voltage, the first auxiliary reclay KM3 signal is given by main control MCU, make the first auxiliary reclay KM3 obtain electric adhesive conducting, simultaneously the first contactor KM1 also electric adhesive, and then motor M 1 is rotated, enters the high-tension electric machine temperature rise test mode of this gear; When the top grade high-tension test duration of motor M 1 reaches the described time of setting, automatically record this gear high-tension motor M 1 temperature rise test result, to complete this gear high-tension motor M 1 temperature rise test; When the temperature rise of this gear high-tension motor M 1 has been tested, by synchronous main control MCU and intelligent power communication, send regulated voltage signal, made intelligent power automatically adjust output LOW voltage, carry out the electric machine temperature rise test of this gear low-voltage.
Further; carry out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage; also comprise: auto stop after the electric machine temperature rise test completing current gear; and the gear that automatically switches; and press the same way of testing with the electric machine temperature rise of current gear; carry out the electric machine temperature rise test switching rear gear, test with the electric machine temperature rise finally completing each gear described and shut down.
Particularly, wherein, when completing the motor M 1 temperature rise test of current gear, interrupt to the first auxiliary reclay KM3 coil signal by main control MCU, the contact of the first auxiliary reclay KM3 is disconnected, thus the first contactor KM1 dead electricity is disconnected, motor M 1 is out of service; And give the second auxiliary reclay KM4 coil signal by synchronous main control MCU, make the contact conducting of the second auxiliary reclay KM4, thus make the second contactor KM2 coil obtain electric, make the second contactor KM2 contact conducting, the switching gear startup optimization of motor M 1, enters the motor M 1 temperature rise test mode switching gear; Repeat the action of the electric machine temperature rise test of above-described current gear equally, after motor M 1 temperature rise switching gear has been tested, auto stop; Preferably, above-described motor M 1 temperature rise test result, is synchronized to display by the mode that communication is synchronous by communication and shows.
Match with said method, the present invention provides on the other hand a kind of circuit of automatic testing of electric motors temperature rise, comprising: parameter presets unit, for presetting the time and voltage that each gear of motor needs temperature rise to test; Automatic test cell, for based on the described time set and voltage, carries out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, to obtain the electric machine temperature rise test result of each gear.
Preferably, this circuit also comprises: result display unit, for the mode by synchronous communication, when having tested accordingly, shows corresponding electric machine temperature rise test result.
Wherein, automatic test cell, comprising: current gear test module, for the mode by automatic regulation voltage, carries out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, to complete the electric machine temperature rise test of current gear.
Further, current gear test module, comprise: high voltage test submodule, for passing through intelligent power, export the high voltage with the described voltage respective notch of setting, carry out the high-tension electric machine temperature rise test of this gear, and when the temperature rise test duration of this gear arrives the time of described setting, automatically the high-tension electric machine temperature rise test result of this gear is recorded, to complete the high-tension electric machine temperature rise test of current gear; Low voltage test submodule, for after completing the high-tension electric machine temperature rise test of current gear, described intelligent power is made to export the low-voltage of this gear by the automatic regulation voltage of the mode of synchronous communication, and press the same way of testing with the high-tension electric machine temperature rise of this gear, carry out the electric machine temperature rise test of this gear low-voltage, to complete the electric machine temperature rise test of current gear low-voltage.
Particularly, wherein, when carrying out the test of this gear high-tension electric machine temperature rise, by intelligent power output HIGH voltage, the first auxiliary reclay KM3 signal is given by main control MCU, make the first auxiliary reclay KM3 obtain electric adhesive conducting, simultaneously the first contactor KM1 also electric adhesive, and then motor M 1 is rotated, enters the high-tension electric machine temperature rise test mode of this gear; When the top grade high-tension test duration of motor M 1 reaches the described time of setting, automatically record this gear high-tension motor M 1 temperature rise test result, to complete this gear high-tension motor M 1 temperature rise test; When the temperature rise of this gear high-tension motor M 1 has been tested, by synchronous main control MCU and intelligent power communication, send regulated voltage signal, made intelligent power automatically adjust output LOW voltage, carry out the electric machine temperature rise test of this gear low-voltage.
Further; automatic test cell; also comprise: switch gear test module; for auto stop after the electric machine temperature rise test completing current gear; and the gear that automatically switches; and press the same way of testing with the electric machine temperature rise of current gear, carry out the electric machine temperature rise test switching rear gear, test with the electric machine temperature rise finally completing each gear described and shut down.
Particularly, wherein, when completing the motor M 1 temperature rise test of current gear, interrupt to the first auxiliary reclay KM3 coil signal by main control MCU, the contact of the first auxiliary reclay KM3 is disconnected, thus the first contactor KM1 dead electricity is disconnected, motor M 1 is out of service; And give the second auxiliary reclay KM4 coil signal by synchronous main control MCU, make the contact conducting of the second auxiliary reclay KM4, thus make the second contactor KM2 coil obtain electric, make the second contactor KM2 contact conducting, the switching gear startup optimization of motor M 1, enters the motor M 1 temperature rise test mode switching gear; Repeat the action of the electric machine temperature rise test of above-described current gear equally, after motor M 1 temperature rise switching gear has been tested, auto stop; Preferably, above-described motor M 1 temperature rise test result, is synchronized to display by the mode that communication is synchronous by communication and shows.
Match with said method and/or circuit, further aspect of the present invention provides a kind of motor automatically can testing temperature rise, comprising: above arbitrary described circuit.
The solution of the present invention, by automatic switchover gear with automatically record data, realizes the electric machine temperature rise test of each gear, and can avoid going artificially to switch gear, record data, save time, record data are more accurate.
Further, the solution of the present invention, by with the automatic regulating power source voltage of intelligent power (such as: variable-frequency power sources) communication, avoid artificial adjustment, improve experiment security.
Thus, the solution of the present invention solves the automatic test utilized electric machine temperature rise, testing of electric motors temperature rise more accurately, promote testing efficiency, reduce the problem of difficulty of test, thus, overcome data accuracy in prior art poor, waste time and energy and defect that danger is high, realize the beneficial effect that data accuracy is good, time saving and energy saving and security is good.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of an embodiment of the automatic test approach of electric machine temperature rise of the present invention;
Fig. 2 is the process flow diagram of an embodiment of automatic test processes in method of the present invention;
Fig. 3 is the process flow diagram of an embodiment of current gear test processes in method of the present invention;
Fig. 4 is the structural representation of an embodiment of the automatic testing circuit of electric machine temperature rise of the present invention;
Fig. 5 is the structural representation of an embodiment of current gear test module in circuit of the present invention;
Fig. 6 is the concrete structure schematic diagram of an embodiment of the circuit of automatic testing of electric motors temperature rise of the present invention.
By reference to the accompanying drawings, in the embodiment of the present invention, Reference numeral is as follows:
102-parameter presets unit, the automatic test cell of 104-, 1042-current gear test module, 10422-high voltage test submodule; 10424-low voltage test submodule; 1044-switches gear test module, 106-result display unit; T1 is the first connection terminal, and T2 is the second connection terminal, and KM1 is the first contactor, and KM2 is the second contactor, and KM3 is the first auxiliary reclay, and KM4 is the second auxiliary reclay.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the specific embodiment of the invention and corresponding accompanying drawing, technical solution of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
According to embodiments of the invention, provide a kind of automatic test approach of electric machine temperature rise, shown in the process flow diagram of an embodiment of method of the present invention as shown in Figure 1.The method at least comprises:
In step S110 place, preset time and voltage that each gear of motor needs temperature rise to test.By presetting the parameter comprising time and voltage etc., reliability and the versatility of electric machine temperature rise test can be improved.
In step S120 place, based on described time and the voltage of setting, carry out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, to obtain the electric machine temperature rise test result of each gear.By automatic switchover gear, the unreliability of artificial switching can be avoided, shorten switching time, improve and switch reliability and switching efficiency; By automatic regulation voltage to carry out between high-low pressure conversion testing automatically, can the continuity of lifting motor temperature rise test and security, be conducive to effect and the efficiency of lifting motor temperature rise test, the automaticity of test improves greatly.
Wherein, electric machine temperature rise test result, can comprise the parameters etc. such as temperature, electric current, power.
Below in conjunction with the process flow diagram of an embodiment of test processes automatic in method of the present invention shown in Fig. 2, further illustrate the concrete processing procedure of the automatic test of step S120.
Step S210, by the mode of automatic regulation voltage, carries out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, to complete the electric machine temperature rise test of current gear.Carried out the electric machine temperature rise test of each gear high-low pressure by the mode of automatic regulation voltage successively, continuity and the reliability of test can be ensured, and then promote the accuracy of test result.
Below in conjunction with the process flow diagram of an embodiment of current gear test processes in method of the present invention shown in Fig. 3, further illustrate the concrete processing procedure of the current gear test of step S210.
Step S310, by intelligent power (such as: variable-frequency power sources), export the high voltage with the described voltage respective notch of setting, carry out the high-tension electric machine temperature rise test of this gear, and when the temperature rise test duration of this gear arrives the time of described setting, automatically the high-tension electric machine temperature rise test result of this gear is recorded, to complete the high-tension electric machine temperature rise test of current gear.Realize automatically regulating and conversion between high-low pressure by intelligent power, the reliability of voltage-regulation is high, and be conducive to the accuracy and the reliability that promote test result, testing efficiency also improves greatly.
Step S320, after completing the high-tension electric machine temperature rise test of current gear, described intelligent power is made to export the low-voltage of this gear by the automatic regulation voltage of the mode of synchronous communication, and press the same way of testing with the high-tension electric machine temperature rise of this gear, carry out the electric machine temperature rise test of this gear low-voltage, to complete the electric machine temperature rise test of current gear low-voltage.By the automatic regulating power source voltage of communication between intelligent power (such as: variable-frequency power sources), avoid artificial adjustment, improve the security of experiment.
In one example in which, when carrying out the test of this gear high-tension electric machine temperature rise, by intelligent power output HIGH voltage, the first auxiliary reclay KM3 signal is given by main control MCU, make the first auxiliary reclay KM3 obtain electric adhesive conducting, simultaneously the first contactor KM1 also electric adhesive, and then motor M 1 is rotated, enter the high-tension electric machine temperature rise test mode of this gear; When the top grade high-tension test duration of motor M 1 reaches the described time of setting, automatically record this gear high-tension motor M 1 temperature rise test result, to complete this gear high-tension motor M 1 temperature rise test; When the temperature rise of this gear high-tension motor M 1 has been tested, by synchronous main control MCU and intelligent power communication, send regulated voltage signal, make intelligent power automatically adjust output LOW voltage, carry out electric machine temperature rise test (example shown in Figure 6) of this gear low-voltage.By the synergy of main control MCU, auxiliary reclay, contactor and intelligent power, automatic regulation output voltage, and then the automatic test reliably achieving electric machine temperature rise, time saving and energy saving, test result accuracy is better.
Step S220; auto stop after the electric machine temperature rise test completing current gear, and the gear that automatically switches, and press the same way of testing with the electric machine temperature rise of current gear; carry out the electric machine temperature rise test switching rear gear, test with the electric machine temperature rise finally completing each gear described and shut down.Carried out the electric machine temperature rise test of each gear by automatic switchover gear and the automatic mode recording data, avoid and go artificially to switch gear, record data, save time, record data more accurate, Security of test and reliability have also been obtained good guarantee.
In one example in which, when completing the motor M 1 temperature rise test of current gear, interrupting to the first auxiliary reclay KM3 coil signal by main control MCU, the contact of the first auxiliary reclay KM3 is disconnected, thus the first contactor KM1 dead electricity is disconnected, motor M 1 is out of service; And give the second auxiliary reclay KM4 coil signal by synchronous main control MCU, make the contact conducting of the second auxiliary reclay KM4, thus make the second contactor KM2 coil obtain electric, make the second contactor KM2 contact conducting, the switching gear startup optimization of motor M 1, enters the motor M 1 temperature rise test mode switching gear; Repeat the action of the electric machine temperature rise test of above-described current gear equally, after motor M 1 temperature rise switching gear has been tested, auto stop (example shown in Figure 6).By the synergy of main control MCU, auxiliary reclay, contactor and intelligent power, automatic regulation output voltage, automatic switchover gear is automatic logging test results also, is conducive to improving testing efficiency and test effect, and the reliability of test result and accuracy are also guaranteed.
In step S130 place, by the mode of synchronous communication, when having tested accordingly, corresponding electric machine temperature rise test result is shown.Test result is exported by the mode shown by synchronous communication, and intuitive is good, and hommization is also better, is conducive to promoting Consumer's Experience.
Wherein, above-described motor M 1 temperature rise test result, is synchronized to display by the mode that communication is synchronous by communication and carries out showing (example shown in Figure 6).
Through a large amount of verification experimental verifications, adopt the technical scheme of the present embodiment, by automatic switchover gear with automatically record data, realize the electric machine temperature rise test of each gear, can avoid going artificially to switch gear, record data, save time, record data are more accurate.
According to embodiments of the invention, additionally provide the automatic testing circuit of a kind of electric machine temperature rise of the automatic test approach corresponding to electric machine temperature rise.The structural representation of one embodiment of circuit of the present invention shown in Figure 4.This circuit at least comprises: parameter setting unit 102 and automatic test cell 104; Preferably, can also comprise: display unit 106.
Wherein, parameter presets unit 102, for presetting the time and voltage that each gear of motor needs temperature rise to test.This parameter is preset the concrete function of unit 102 and is processed see step S110.By presetting the parameter comprising time and voltage etc., reliability and the versatility of electric machine temperature rise test can be improved.
Automatic test cell 104, for based on the described time set and voltage, carries out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, to obtain the electric machine temperature rise test result of each gear.The concrete function of this automatic test cell 104 and process are see step S120.By automatic switchover gear, the unreliability of artificial switching can be avoided, shorten switching time, improve and switch reliability and switching efficiency; By automatic regulation voltage to carry out between high-low pressure conversion testing automatically, can the continuity of lifting motor temperature rise test and security, be conducive to effect and the efficiency of lifting motor temperature rise test, the automaticity of test improves greatly.
Wherein, electric machine temperature rise test result, can comprise the parameters etc. such as temperature, electric current, power.
In one embodiment, automatic test cell 104, comprising: current gear test module 1042 and switching gear test module 1044.
Wherein, current gear test module 1042, for the mode by automatic regulation voltage, carries out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, to complete the electric machine temperature rise test of current gear.The concrete function of this current gear test module 1042 and process are see step S210.Carried out the electric machine temperature rise test of each gear high-low pressure by the mode of automatic regulation voltage successively, continuity and the reliability of test can be ensured, and then promote the accuracy of test result.
Below in conjunction with the structural representation of an embodiment of current gear test module in circuit of the present invention shown in Fig. 5, further illustrate the concrete structure of the current gear test of current gear test module 1042.Current gear test module 1042, comprising: high voltage test submodule 10422 and low voltage test submodule 10424.
Wherein, high voltage test submodule 10422, for passing through intelligent power (such as: variable-frequency power sources), export the high voltage with the described voltage respective notch of setting, carry out the high-tension electric machine temperature rise test of this gear, and when the temperature rise test duration of this gear arrives the time of described setting, automatically record the high-tension electric machine temperature rise test result of this gear, to complete the high-tension electric machine temperature rise test of current gear.The concrete function of this high voltage test submodule 10422 and process are see step S310.Realize automatically regulating and conversion between high-low pressure by intelligent power, the reliability of voltage-regulation is high, and be conducive to the accuracy and the reliability that promote test result, testing efficiency also improves greatly.
Wherein, low voltage test submodule 10424, for after completing the high-tension electric machine temperature rise test of current gear, described intelligent power is made to export the low-voltage of this gear by the automatic regulation voltage of the mode of synchronous communication, and press the same way of testing with the high-tension electric machine temperature rise of this gear, carry out the electric machine temperature rise test of this gear low-voltage, to complete the electric machine temperature rise test of current gear low-voltage.The concrete function of this low voltage test submodule 10424 and process are see step S320.By the automatic regulating power source voltage of communication between intelligent power (such as: variable-frequency power sources), avoid artificial adjustment, improve the security of experiment.
In one example in which, when carrying out the test of this gear high-tension electric machine temperature rise, by intelligent power output HIGH voltage, the first auxiliary reclay KM3 signal is given by main control MCU, make the first auxiliary reclay KM3 obtain electric adhesive conducting, simultaneously the first contactor KM1 also electric adhesive, and then motor M 1 is rotated, enter the high-tension electric machine temperature rise test mode of this gear; When the top grade high-tension test duration of motor M 1 reaches the described time of setting, automatically record this gear high-tension motor M 1 temperature rise test result, to complete this gear high-tension motor M 1 temperature rise test; When the temperature rise of this gear high-tension motor M 1 has been tested, by synchronous main control MCU and intelligent power communication, send regulated voltage signal, make intelligent power automatically adjust output LOW voltage, carry out electric machine temperature rise test (example shown in Figure 6) of this gear low-voltage.By the synergy of main control MCU, auxiliary reclay, contactor and intelligent power, automatic regulation output voltage, and then the automatic test reliably achieving electric machine temperature rise, time saving and energy saving, test result accuracy is better.
Wherein, switch gear test module 1044; for auto stop after the electric machine temperature rise test completing current gear; and the gear that automatically switches; and press the same way of testing with the electric machine temperature rise of current gear; carry out the electric machine temperature rise test switching rear gear, test with the electric machine temperature rise finally completing each gear described and shut down.The concrete function of this switching gear test module 1044 and process are see step S220.Carried out the electric machine temperature rise test of each gear by automatic switchover gear and the automatic mode recording data, avoid and go artificially to switch gear, record data, save time, record data more accurate, Security of test and reliability have also been obtained good guarantee.
In one example in which, when completing the motor M 1 temperature rise test of current gear, interrupting to the first auxiliary reclay KM3 coil signal by main control MCU, the contact of the first auxiliary reclay KM3 is disconnected, thus the first contactor KM1 dead electricity is disconnected, motor M 1 is out of service; And give the second auxiliary reclay KM4 coil signal by synchronous main control MCU, make the contact conducting of the second auxiliary reclay KM4, thus make the second contactor KM2 coil obtain electric, make the second contactor KM2 contact conducting, the switching gear startup optimization of motor M 1, enters the motor M 1 temperature rise test mode switching gear; Repeat the action of the electric machine temperature rise test of above-described current gear equally, after motor M 1 temperature rise switching gear has been tested, auto stop (example shown in Figure 6).By the synergy of main control MCU, auxiliary reclay, contactor and intelligent power, automatic regulation output voltage, automatic switchover gear is automatic logging test results also, is conducive to improving testing efficiency and test effect, and the reliability of test result and accuracy are also guaranteed.
Result display unit 106, for the mode by synchronous communication, when having tested accordingly, has shown corresponding electric machine temperature rise test result.The concrete function of this result display unit 106 and process are see step S130.Test result is exported by the mode shown by synchronous communication, and intuitive is good, and hommization is also better, is conducive to promoting Consumer's Experience.
Wherein, above-described motor M 1 temperature rise test result, is synchronized to display by the mode that communication is synchronous by communication and carries out showing (example shown in Figure 6).
The process realized due to the circuit of the present embodiment and function are substantially corresponding to the embodiment of the method shown in earlier figures 1 to Fig. 3, principle and example, therefore not detailed part in the description of the present embodiment, see the related description in previous embodiment, can not repeat at this.
Through a large amount of verification experimental verifications, adopt technical scheme of the present invention, by with the automatic regulating power source voltage of intelligent power (such as: variable-frequency power sources) communication, avoid artificial adjustment, improve experiment security.
According to embodiments of the invention, additionally provide a kind of motor automatically can testing temperature rise corresponding to the automatic test approach of electric machine temperature rise and/or the automatic testing circuit of electric machine temperature rise.The structural representation of one embodiment of circuit of the present invention shown in Figure 6.This circuit at least comprises: above-described circuit.
Such as: example shown in Figure 6, test temperature rise voltage is divided into high voltage, low-voltage, and each voltage (such as: high voltage, low-voltage) high and low shift respectively tests one group of data.Concrete test process is as follows:
First, when the superelevation shelves SH high voltage temperature rise of testing of electric motors M1, intelligent power output HIGH voltage (L1 live wire, N1 zero line), setting main control MCU gives the first auxiliary reclay KM3 signal, now the first auxiliary reclay KM3 obtains electric adhesive conducting, simultaneously the first contactor KM1 also electric adhesive, motor M 1 is rotated, and enters test (such as: the high-tension electric machine temperature rise of superelevation shelves SH is tested) state.When the superelevation shelves SH high voltage test time of motor M 1 reaches setting-up time, record motor M 1 test result now (such as: can comprise the parameters etc. such as temperature, electric current, power), can check test result by display automatically.When the superelevation shelves SH high voltage test (such as: the temperature rise of superelevation shelves SH high-tension motor M 1 is tested) of motor M 1 completes, synchronous main control MCU and intelligent power communication, send regulated voltage signal, make intelligent power automatically adjust output LOW voltage, carry out the superelevation shelves SH low voltage test (such as: the motor M 1 temperature rise test of superelevation shelves SH low-voltage) of motor M 1.
Wherein, can be set main control MCU by program.Such as: energising main control chip normally works, how long afterwards can set in program can signal to auxiliary reclay makes its conducting.
Secondly, when the low voltage test (such as: the motor M 1 temperature rise test of superelevation shelves SH low-voltage) of the superelevation shelves SH of motor M 1 completes, main control MCU is interrupted to the first auxiliary reclay KM3 coil signal, the contact of the first auxiliary reclay KM3 is disconnected, thus the first contactor KM1 dead electricity is disconnected, motor M 1 is out of service.
Then, synchronous main control MCU gives the second auxiliary reclay KM4 coil signal, make the contact conducting of the second auxiliary reclay KM4, thus the second contactor KM2 coil obtains electric, make the second contactor KM2 contact conducting, the low-grade L startup optimization of motor M 1, enters test (such as: the electric machine temperature rise test of low-grade L) state.The high voltage of same repetition superelevation shelves SH and the motor M 1 temperature rise test action of low-voltage, after test (such as: the electric machine temperature rise test of low-grade L) completes, auto stop.
Wherein, the normally closed contact on the zero line (i.e. N1 line) be connected with motor M 1, being the built-in thermal protector of motor M 1, is closed under normal circumstances, and the temperature temperature that oversteps the extreme limit will disconnect, and plays a part to protect motor M 1.
The process realized due to the motor of the present embodiment and function are substantially corresponding to the embodiment of the method shown in earlier figures 1 to Fig. 3 and/or the circuit shown in Fig. 4 to Fig. 5, principle and example, therefore not detailed part in the description of the present embodiment, see the related description in previous embodiment, can not repeat at this.
Through a large amount of verification experimental verifications, adopt technical scheme of the present invention, Cheng Qian is crossed in experiment (such as: temperature rise is tested), can to the time of each gear of motor needs test, voltage (such as: supply voltage, 220V/50HZ) carry out setting (such as: can be touch display screen, can artificially initial assignment); In the test of corresponding gear, can set (such as: can be touch display screen, can artificial initial assignment) size of regulation voltage automatically, to arrive requirement of experiment (such as: in experiment, as long as ensure that the time that motor runs and the time of presetting consistent just reach default object, whether to meet the requirements the data also needed with reference to testing as motor performance); Reach when tested setting time (such as: intelligent power all can have detect voltage, electric current, temperature rise can), and (such as: by different gear, different voltage tester, the heat condition of motor is also different to automatic record relevant experimental data (such as: the data detected can be dealt into main control chip by communication and store) can to switch gear voluntarily.Object: the heat condition of checking assessment motor motor under different voltage, environment, electric machine temperature rise exceeds standard and burn-down of electric motor, life-span can be caused short.This can have influence on air-conditioning system and normally run), carry out next step test (such as: next step test can comprise pressure regulation, gear shift test); Thus completing the electric machine temperature rise test of each gear, manual operation amount is little, and test result accuracy is good, and the security of experiment is good.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, commodity or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, commodity or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment comprising described key element and also there is other identical element.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code.
The foregoing is only embodiments of the invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (15)
1. an automatic test approach for electric machine temperature rise, is characterized in that, comprising:
Preset time and voltage that each gear of motor needs temperature rise to test;
Based on described time and the voltage of setting, carry out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, to obtain the electric machine temperature rise test result of each gear.
2. method according to claim 1, is characterized in that, the method also comprises:
By the mode of synchronous communication, when having tested accordingly, corresponding electric machine temperature rise test result is shown.
3. method according to claim 1 and 2, is characterized in that, carries out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, comprising:
By the mode of automatic regulation voltage, carry out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, to complete the electric machine temperature rise test of current gear.
4. method according to claim 3, is characterized in that, by the mode of automatic regulation voltage, carries out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, comprising:
Pass through intelligent power, export the high voltage with the described voltage respective notch of setting, carry out the high-tension electric machine temperature rise test of this gear, and when the temperature rise test duration of this gear arrives the time of described setting, automatically the high-tension electric machine temperature rise test result of this gear is recorded, to complete the high-tension electric machine temperature rise test of current gear;
After completing the high-tension electric machine temperature rise test of current gear, described intelligent power is made to export the low-voltage of this gear by the automatic regulation voltage of the mode of synchronous communication, and press the same way of testing with the high-tension electric machine temperature rise of this gear, carry out the electric machine temperature rise test of this gear low-voltage, to complete the electric machine temperature rise test of current gear low-voltage.
5. method according to claim 4, is characterized in that, wherein,
When carrying out the test of this gear high-tension electric machine temperature rise, by intelligent power output HIGH voltage, the first auxiliary reclay (KM3) signal is given by main control MCU, make the first auxiliary reclay (KM3) electric adhesive conducting, simultaneously the first contactor (KM1) also electric adhesive, and then motor (M) is rotated, enter the high-tension electric machine temperature rise test mode of this gear;
When the top grade high-tension test duration of motor (M) reaches the described time of setting, automatically record the high-tension motor of this gear (M) temperature rise test result, to complete the high-tension motor of this gear (M) temperature rise test;
When the high-tension motor of this gear (M) temperature rise has been tested, by synchronous main control MCU and intelligent power communication, send regulated voltage signal, made intelligent power automatically adjust output LOW voltage, carry out the electric machine temperature rise test of this gear low-voltage.
6. according to the method one of claim 3-5 Suo Shu, it is characterized in that, carry out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, also comprise:
Auto stop after the electric machine temperature rise test completing current gear; and the gear that automatically switches; and press the same way of testing with the electric machine temperature rise of current gear, carry out the electric machine temperature rise test switching rear gear, test with the electric machine temperature rise finally completing each gear described and shut down.
7. method according to claim 6, is characterized in that, wherein,
When completing motor (M) the temperature rise test of current gear, interrupt to the first auxiliary reclay (KM3) coil signal by main control MCU, the contact of the first auxiliary reclay (KM3) is disconnected, thus the first contactor (KM1) dead electricity is disconnected, motor (M) is out of service;
And give the second auxiliary reclay (KM4) coil signal by synchronous main control MCU, make the contact conducting of the second auxiliary reclay (KM4), thus make the second contactor (KM2) coil obtain electric, make the second contactor (KM2) contact conducting, the switching gear startup optimization of motor (M), enters motor (M) the temperature rise test mode switching gear;
Repeat the action of the electric machine temperature rise test of above-described current gear equally, after motor (M) temperature rise switching gear has been tested, auto stop;
Preferably, above-described motor (M) temperature rise test result, is synchronized to display by the mode that communication is synchronous by communication and shows.
8. an automatic testing circuit for electric machine temperature rise, is characterized in that, comprising:
Parameter presets unit, for presetting the time and voltage that each gear of motor needs temperature rise to test;
Automatic test cell, for based on the described time set and voltage, carries out the electric machine temperature rise test based on automatic switchover gear and automatic regulation voltage, to obtain the electric machine temperature rise test result of each gear.
9. circuit according to claim 8, is characterized in that, this circuit also comprises:
Result display unit, for the mode by synchronous communication, when having tested accordingly, has shown corresponding electric machine temperature rise test result.
10. circuit according to claim 8 or claim 9, it is characterized in that, automatic test cell, comprising:
Current gear test module, for the mode by automatic regulation voltage, carries out the electric machine temperature rise test of current gear high voltage and current gear low-voltage successively, to complete the electric machine temperature rise test of current gear.
11. circuit according to claim 10, is characterized in that, current gear test module, comprising:
High voltage test submodule, for passing through intelligent power, export the high voltage with the described voltage respective notch of setting, carry out the high-tension electric machine temperature rise test of this gear, and when the temperature rise test duration of this gear arrives the time of described setting, automatically the high-tension electric machine temperature rise test result of this gear is recorded, to complete the high-tension electric machine temperature rise test of current gear;
Low voltage test submodule, for after completing the high-tension electric machine temperature rise test of current gear, described intelligent power is made to export the low-voltage of this gear by the automatic regulation voltage of the mode of synchronous communication, and press the same way of testing with the high-tension electric machine temperature rise of this gear, carry out the electric machine temperature rise test of this gear low-voltage, to complete the electric machine temperature rise test of current gear low-voltage.
12. circuit according to claim 11, is characterized in that, wherein,
When carrying out the test of this gear high-tension electric machine temperature rise, by intelligent power output HIGH voltage, the first auxiliary reclay (KM3) signal is given by main control MCU, make the first auxiliary reclay (KM3) electric adhesive conducting, simultaneously the first contactor (KM1) also electric adhesive, and then motor (M) is rotated, enter the high-tension electric machine temperature rise test mode of this gear;
When the top grade high-tension test duration of motor (M) reaches the described time of setting, automatically record the high-tension motor of this gear (M) temperature rise test result, to complete the high-tension motor of this gear (M) temperature rise test;
When the high-tension motor of this gear (M) temperature rise has been tested, by synchronous main control MCU and intelligent power communication, send regulated voltage signal, made intelligent power automatically adjust output LOW voltage, carry out the electric machine temperature rise test of this gear low-voltage.
13., according to the circuit one of claim 10-12 Suo Shu, is characterized in that, automatic test cell, also comprises:
Switch gear test module; for auto stop after the electric machine temperature rise test completing current gear; and the gear that automatically switches; and press the same way of testing with the electric machine temperature rise of current gear; carry out the electric machine temperature rise test switching rear gear, test with the electric machine temperature rise finally completing each gear described and shut down.
14. circuit according to claim 13, is characterized in that, wherein,
When completing motor (M) the temperature rise test of current gear, interrupt to the first auxiliary reclay (KM3) coil signal by main control MCU, the contact of the first auxiliary reclay (KM3) is disconnected, thus the first contactor (KM1) dead electricity is disconnected, motor (M) is out of service;
And give the second auxiliary reclay (KM4) coil signal by synchronous main control MCU, make the contact conducting of the second auxiliary reclay (KM4), thus make the second contactor (KM2) coil obtain electric, make the second contactor (KM2) contact conducting, the switching gear startup optimization of motor (M), enters motor (M) the temperature rise test mode switching gear;
Repeat the action of the electric machine temperature rise test of above-described current gear equally, after motor (M) temperature rise switching gear has been tested, auto stop;
Preferably, above-described motor (M) temperature rise test result, is synchronized to display by the mode that communication is synchronous by communication and shows.
15. 1 kinds of motors automatically can testing temperature rise, is characterized in that, comprising: the circuit as described in as arbitrary in claim 8-14.
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