CN108594053A - Comprehensive protector of motor tester - Google Patents
Comprehensive protector of motor tester Download PDFInfo
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- CN108594053A CN108594053A CN201810209703.3A CN201810209703A CN108594053A CN 108594053 A CN108594053 A CN 108594053A CN 201810209703 A CN201810209703 A CN 201810209703A CN 108594053 A CN108594053 A CN 108594053A
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- 230000001012 protector Effects 0.000 title claims abstract description 105
- 238000012360 testing method Methods 0.000 claims abstract description 154
- 230000005611 electricity Effects 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/16—Measuring asymmetry of polyphase networks
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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
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- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The present invention relates to comprehensive protector of motor measuring technologies.The present invention solves current comprehensive protector of motor causes protector can not normal use due to sole mass is unqualified or long-distance transport is jolted, and cannot in time to protector whether can normal use detected in time, the problem of causing delay to produce, propose a kind of comprehensive protector of motor tester, its technical solution can be summarized as, it is integrated in the tester that corresponding leak(age) test circuit is set, overload test circuit and phase shortage hookup, electric leakage can be whether there is using it is preceding tested out in comprehensive protector of motor, the case where overload and phase shortage, greatly improve fault detection efficiency, it is avoided to there is electric leakage, overload and phase shortage etc. and be unable to normal use, so that delay production, suitable for comprehensive protector of motor.
Description
Technical field
The present invention relates to integrated protector for electric motor technologies, the more particularly to technology of comprehensive protector of motor tester.
Background technology
Due to the particularity of underground coal mine environment, it is desirable that underground electrical equipment must use I class mine anti-explosion products.At present
The equipment such as drag conveyor, belt conveyor, winch, slusher machine, water pump used in coal mine are all made of the startup of QBZ series magnetic force
Device controls motor, and ZDB (JDB) comprehensive protector of motor used in the series startup device is vulnerable part, is often had
After ZDB (JDB) comprehensive protector of motor is replaced in unit reflection, protected due to being jolted product quality problem or long-distance transport
Device can not normal use, QBZ series magnetic starter can not normally start, and the case where influencing production occur.
Invention content
The object of the present invention is to provide a kind of comprehensive protector of motor tester, solve current comprehensive protector of motor by
In sole mass it is unqualified or long-distance transport jolt the reason of cause protector can not normal use, and cannot in time to protection
Device whether can normal use detected in time, cause delay produce the problem of.
The present invention solves its technical problem, the technical solution adopted is that：Comprehensive protector of motor tester, feature exist
In, including it is strong current generator, transformer, ammeter, overload test switch, overload test contactor coil, multiple in parallel
Overload test main noddle on contactor, phase shortage test switch, phase shortage test contactor coil, the phase shortage of multiple parallel connections tests contactor
Main contact, leak(age) test resistance two, leak(age) test switch one, leak(age) test switch two, indicator light, touches leak(age) test resistance one
The primary side of first, contact two, A column caps, B column caps, C column caps, D column caps, E column caps and F column caps, the transformer is used for and exchanges
Voltage source connects, and one end of secondary side is separately connected one end of leak(age) test switch one, one end of leak(age) test switch two, contact
The other end of one, one end of one end and phase shortage test switch of overload test switch, overload test switch is connect by overload test
Tentaculum coil connects the other end of Circuit Fault on Secondary Transformer, and the other end of phase shortage test switch is tested contactor coil by phase shortage and connected
The other end of Circuit Fault on Secondary Transformer is connect, contact two connects the other end of Circuit Fault on Secondary Transformer, leak(age) test switch by indicator light
One other end connects C column caps by leak(age) test resistance one, and the other end of leak(age) test switch two passes through leak(age) test resistance
Two connection C column caps, one end of ammeter for being connect with the Y output ends of strong current generator, the other end respectively by it is multiple simultaneously
The overload test main noddle on contactor connection E column caps of connection test main noddle on contactor with the phase shortage by multiple parallel connections and connect F columns
Head, for being connect with B column caps, contact one is used for and relay in comprehensive protector of motor the X output ends of strong current generator
One end connects, and for being connect with the other end of relay in comprehensive protector of motor, A column caps are used to integrate with motor and protect contact two
The A output ends connection in device is protected, B column caps with the B input terminals in comprehensive protector of motor for connecting, and C column caps are used for and motor
C output ends connection in comprehensive protection device, for being connect with the D input terminals in comprehensive protector of motor, E column caps are used for D column caps
It is connect with the E output ends in comprehensive protector of motor, F column caps with the F input terminals in comprehensive protector of motor for connecting.
Specifically, further include power switch and fuse, one end of the fuse is for one end with alternating-current voltage source
Connection, the other end connect one end of transformer primary side by power switch, and the other end of transformer primary side is used for and exchanges
The other end of voltage source connects.
Further, further include voltmeter, one end of one end connection transformer primary side of the voltmeter, the other end connects
Connect the other end of transformer primary side.
Specifically, the range of the voltmeter is 0-250V.
Still further, the input voltage of the transformer primary side is the voltage that voltage value is 220V, transformer secondary
The output voltage of side is the voltage that voltage value is 36V.
Specifically, the range of the ammeter is 0-300A.
Still further, the leak(age) test switch that it is 660V that the leak(age) test switch, which is voltage class, leak(age) test are opened
It is the leak(age) test switch that voltage class is 1140V to close two.
Specifically, the resistance value of the leak(age) test resistance one is 20K Ω, rated power 10W, the leak(age) test electricity
The resistance value of resistance two is 40K Ω, rated power 10W.
The invention has the advantages that by above-mentioned comprehensive protector of motor tester, the integration collection in the tester
At corresponding leak(age) test circuit, overload test circuit and phase shortage hookup is arranged, can make in comprehensive protector of motor
With the case where it is with the presence or absence of electric leakage, overload and phase shortage is preceding tested out, fault detection efficiency is greatly improved, it is avoided to there is leakage
Electricity, overload and phase shortage etc. and be unable to normal use so that delay production.
Description of the drawings
Fig. 1 is the electrical block diagram of the embodiment of the present invention.
Wherein, FU indicates that fuse, TC indication transformers, U indicate that voltmeter, I indicate that ammeter, L indicate indicator light, K
Indicate that power switch, K0 indicate that relay in comprehensive protector of motor, K1 indicate that overload test switch, K2 indicate phase shortage experiment opening
It closes, K3 expression leak(age) tests switch one, K4 expression leak(age) tests switch two, KM1 expression overload test contactor coils, KM11,
KM12, KM13 and KM14 indicate that four overload test main noddle on contactor in parallel, KM2 indicate that phase shortage tests contactor line respectively
Circle, KM21, KM22, KM23 and KM24 indicate four phase shortage experiment main noddle on contactor in parallel respectively, and 1 indicates contact one, 2 tables
Show that contact two, X indicate that the X output ends of strong current generator, Y indicate the Y output ends of strong current generator, 220V indication transformers
The voltage value of the input voltage of primary side, the voltage value of the output voltage of 36V indication transformer secondary sides, B indicate B column caps, D tables
Show that D column caps, F indicate that F column caps, A indicate that A column caps, C indicate that C column caps, E indicate E column caps.
Specific implementation mode
With reference to embodiment and attached drawing, detailed description of the present invention technical solution.
Comprehensive protector of motor tester of the present invention, by strong current generator, transformer, ammeter, overload test
Switch, overload test contactor coil, the overload test main noddle on contactor of multiple parallel connections, phase shortage test switch, phase shortage experiment
Contactor coil, the phase shortage experiment main noddle on contactor of multiple parallel connections, leak(age) test resistance one, leak(age) test resistance two, electric leakage
Test switch one, leak(age) test switch two, indicator light, contact one, contact two, A column caps, B column caps, C column caps, D column caps, E column caps
It is formed with F column caps, wherein for the primary side of transformer for being connect with alternating-current voltage source, one end of secondary side is separately connected electric leakage
One end of test switch one, one end of leak(age) test switch two, contact one, one end of overload test switch and phase shortage test switch
One end, overload test switch the other end by overload test contactor coil connect Circuit Fault on Secondary Transformer the other end, lack
The other end of phase study switch tests the other end that contactor coil connects Circuit Fault on Secondary Transformer by phase shortage, and contact two passes through finger
Show that the other end of lamp connection Circuit Fault on Secondary Transformer, the other end of leak(age) test switch one connect C columns by leak(age) test resistance one
The other end of head, leak(age) test switch two connects C column caps by leak(age) test resistance two, and one end of ammeter is used for and high current
The Y output ends of generator connect, and the other end connects E column caps by the overload test main noddle on contactor of multiple parallel connections respectively and leads to
The phase shortage experiment main noddle on contactor connection F column caps of multiple parallel connections are crossed, the X output ends of strong current generator are used to connect with B column caps
Connect, contact one for connect with one end of relay in comprehensive protector of motor, contact two for in comprehensive protector of motor
The other end of relay connects, and for being connect with the A output ends in comprehensive protector of motor, B column caps are used for comprehensive with motor A column caps
Close the B input terminals connection in protector, C column caps for connect with the C output ends in comprehensive protector of motor, D column caps for
D input terminals connection in comprehensive protector of motor, E column caps with the E output ends in comprehensive protector of motor for connecting, F column caps
For being connect with the F input terminals in comprehensive protector of motor.
Here, integrated in the comprehensive protector of motor tester that the application proposes that corresponding leak(age) test is set
Circuit, overload test circuit and phase shortage hookup can be whether there is in comprehensive protector of motor using preceding testing out it
The case where electric leakage, overload and phase shortage.
Embodiment
Comprehensive protector of motor tester of the embodiment of the present invention, including strong current generator, transformer TC, ammeter I, mistake
Carry test switch K1, overload test contactor coil KM1, the overload test main noddle on contactor of multiple parallel connections, phase shortage experiment opening
Close K2, phase shortage experiment contactor coil KM2, the phase shortage experiment main noddle on contactor of multiple parallel connections, one R1 of leak(age) test resistance, leakage
Two R2 of electric test resistance, one K3 of leak(age) test switch, two K4 of leak(age) test switch, indicator light L, contact 1, contact 22, A columns
Head A, B column cap B, C column cap C, D column cap D, E column cap E and F column cap F, electrical block diagram is referring to Fig. 1, wherein transformer TC
Primary side for connect with alternating-current voltage source, one end of secondary side is separately connected one end of one K3 of leak(age) test switch, leaks electricity
One end of two K4 of test switch, contact 1, one end of overload test switch K1 and phase shortage test switch K2 one end, overload examination
The other end for testing switch K1 passes through the other end of overload test contactor coil KM1 connection transformer TC secondary sides, phase shortage experiment
The other end of switch K2 tests the other end of contactor coil KM2 connection transformer TC secondary sides by phase shortage, and contact 22 passes through
The other end of indicator light L connection transformer TC secondary sides, the other end of one K3 of leak(age) test switch pass through leak(age) test resistance one
The other end of R1 connections C column cap C, two K4 of leak(age) test switch by two R2 connection C column cap C of leak(age) test resistance, ammeter I's
For being connect with the Y output ends Y of strong current generator, the other end passes through the overload test contactor master of multiple parallel connections respectively for one end
Contact connects E column caps E and connects F column cap F, the X of strong current generator with the phase shortage experiment main noddle on contactor by multiple parallel connections
Output end with B column caps B for connecting, and contact 1 with one end of relay K0 in comprehensive protector of motor for connecting, contact two
2 with the other end of relay K0 in comprehensive protector of motor for connecting, and A column caps A is used for defeated with the A in comprehensive protector of motor
Outlet connects, and B column caps B with the B input terminals in comprehensive protector of motor for connecting, and C column caps C is used for and comprehensive protector of motor
Interior C output ends connection, for being connect with the D input terminals in comprehensive protector of motor, E column caps E is used for comprehensive with motor D column caps D
The E output ends connection in protector is closed, F column caps F is multiple in this example for being connect with the F input terminals in comprehensive protector of motor
The number of overload test main noddle on contactor in parallel is preferably four, respectively KM11, KM12, KM13 and KM14, passes through four
A overload test main noddle on contactor is in parallel, can when it is closed at increasing circuit current-carrying capacity, the phase shortage of multiple parallel connections
The number of experiment main noddle on contactor is preferably four, respectively KM21, KM22, KM23 and KM24, is tested by four phase shortages
Main noddle on contactor is in parallel, can when it is closed at increasing circuit current-carrying capacity, this example is with the motor of model JDB-120
It is described in detail for comprehensive protection device.
It in foregoing circuit, preferably may also include power switch K and fuse FU, transformer TC primary sides can be realized
Overvoltage and overcurrent protection, wherein for being connect with one end of alternating-current voltage source, the other end is opened by power supply for one end of fuse FU
One end of K connection transformer TC primary sides is closed, the other end of transformer TC primary sides is used to connect with the other end of alternating-current voltage source
It connects；It is further preferred that this tester may also include voltmeter U, voltmeter U can monitor transformer TC primary sides in real time
Input voltage, one end of one end connection transformer TC primary sides of voltmeter U, the other end connect the another of transformer TC primary sides
End, here, the range of voltmeter U is preferably 0-250V, and the range of voltmeter U can be adjusted accordingly according to actual needs
It is whole；Here, the input voltage of transformer TC primary sides is preferably the voltage that voltage value is 220V, the output of transformer TC secondary sides
Voltage is preferably the voltage that voltage value is 36V, can ensure the normal work of corresponding assembly in comprehensive protector of motor, ammeter
The range of I is preferably 0-300A, can carry out the corresponding adjustment of the range according to actual needs；It is medium-sized in order to meet this example
Number for JDB-120 comprehensive protector of motor practical measurement need, in this example leakage tests part electric elements and lack
Phase study part electric elements are set as follows：One K3 of leak(age) test switch is the electric leakage examination that preferably voltage class is 660V
Switch is tested, two K4 of leak(age) test switch is preferably that the leak(age) test that voltage class is 1140V switchs, one R1's of leak(age) test resistance
Resistance value is preferably 20K Ω, and rated power is preferably 10W, and the resistance value of two R2 of leak(age) test resistance is preferably 40K Ω, specified
Power is preferably 10W.
During actual test, the overload test that is carried out to the comprehensive protector of motor of the model JDB-120 of this example lacks
Phase study and leak(age) test difference are as follows：
First, by Fig. 1 wiring, transformer primary side incoming transport power supply, by the A in A column caps A and comprehensive protector of motor
Output end connects, and B column caps B is connect with the B input terminals in comprehensive protector of motor, the C column caps C and C in comprehensive protector of motor
Output end connects, and D column caps D is connect with the D input terminals in comprehensive protector of motor, the E column caps E and E in comprehensive protector of motor
Output end connects, and F column caps F is connect with the F input terminals in comprehensive protector of motor, the X output ends X connections of strong current generator
In B column caps, the Y output ends Y of strong current generator is connected to one end of ammeter I, power turn-on switch K, 220V alternating current
After transformer TC decompressions, secondary side exports 36V alternating currents and powers to the comprehensive protector of motor of model JDB-120, and
Working power is provided to overload test contactor coil KM1, phase shortage experiment contactor coil KM2.When the electricity of model JDB-120
When machine comprehensive protection device works normally, relay K0 is closed in the protector, and indicator light L is lighted, and is phase shortage, overload and electric leakage examination
It tests and gets ready.
Overload test is specific as follows：
B input terminal B and A output terminals As in the comprehensive protector of motor of model JDB-120, D input terminal D and C output ends
C, F input terminal F and E output end E, this three groups of binding posts install corresponding installation in the protector, and there are three current transformers, do
When overload test, for power turn-on switch K, 220V alternating current after transformer TC decompressions, secondary side exports 36V alternating currents to model
It powers for the comprehensive protector of motor of JDB-120, if protector is intact, indicator light L is lighted.It is closed overload test switch K1, mistake
It carries experiment contactor coil KM1 to be attracted, four overload test main noddle on contactor KM11, KM12, KM13 and KM14 in parallel are equal
It is closed, starts strong current generator at this time, adjustable high current is made to be integrated through motors of its X output ends X through model JDB-120
B input terminals B in protector is to A output terminals As, then through D input terminals D to C output end C, then through F input terminals F to E output end E, then
Through four overload test main noddle on contactor KM11, KM12, KM13 and KM14 to ammeter I in parallel, high current hair is returned
The Y output ends Y shape of raw device is at circuit, and ammeter I has electric current to show, when the comprehensive protector of motor model JDB-120
Setting valve be set in a certain gear, when such as 40A, the output current for adjusting strong current generator reaches certain multiplying power of setting valve
Protector action, which uses inverse time lag operation principle, i.e., shorter more than the multiple more big-movement time of setting valve, the survey
Indicator light extinguishing illustrates that protector action, overload protection pass the test are turned up when test electric current to setting current on examination instrument
Certain multiplying power, reach the actuation time of protector and protector is failure to actuate, indicator light is always on the tester, illustrates to protect
Device damages.
Test electric current and the multiplying power of setting current and the actuation time of protector see the table below：
It, should by upper table it is found that when 1.05 times of the setting current that the actual current in the circuit of test is setting
Protector is failure to actuate, i.e., relay K0 is constantly in closed state in protector, and relay K0 is not required to reset；When this time of test
When actual circuit in road is 1.2 times of the setting current of setting, ranging from -20 minutes 5 minutes actuation time of the protector,
I.e. relay K0 just will disconnect in the protector within this time range, and relay K0 can automatically reset, resetting time model
Enclose is -3 minutes 1 minute；When 1.5 times of the setting current that the actual circuit in the circuit of test is setting, the protector
Ranging from -3 minutes 1 minute actuation time, i.e., relay K0 just will disconnect in the protector within this time range, and after
Electric appliance K0 can automatically reset, ranging from -3 minutes 1 minute resetting time；When the actual circuit in the circuit of test is setting
At 6 times of setting current, ranging from -16 seconds 8 seconds actuation time of the protector, i.e., within this time range in the protector after
Electric appliance K0 just will disconnect, and relay K0 can automatically reset, ranging from -3 minutes 1 minute resetting time.
Phase shortage experiment is specific as follows：
For power turn-on switch K, 220V alternating current after transformer TC decompressions, secondary side exports 36V alternating currents to model
The comprehensive protector of motor of JDB-120 is powered, and if the protector is intact, indicator light L is lighted.Close phase shortage test switch K2, phase
Experiment contactor coil KM2 obtains electric actuation, four phase shortage experiment main noddle on contactor KM21, KM22, KM23 and KM24 in parallel
It is closed, indicator light L is bright, starts strong current generator, makes adjustable high current through its X output ends X through model JDB-120's
B input terminals B in comprehensive protector of motor is to A output terminals As, then through D input terminals D to C output end C, then through F input terminals F to four
The phase shortage of a parallel connection tests main noddle on contactor KM21, KM22, KM23 and KM24 again to ammeter I, returns high current
The Y output ends Y shape of device has electric current to show at circuit, ammeter I, and electric current is only defeated by changing the B input terminals B-A of protector at this time
Outlet A, D input terminal D-C output end C two-phase current mutual inductors, cause F input terminal F-E output end E phase shortages, in the protector
Relay K0 is disconnected, and indicator light L extinguishes, and illustrates that protector open-phase protection performance is qualified, otherwise illustrates that protector is abnormal or damages.
Leak(age) test is specific as follows：
Leak(age) test does not use strong current generator, only need to select voltage class, and here, one K3 of leak(age) test switch is electricity
The leak(age) test that grade is 660V is pressed to switch, two K4 of leak(age) test switch is the leak(age) test switch that voltage class is 1140V.It will
One K3 of leak(age) test switch or two K4 of leak(age) test switch are respectively closed, if indicator light L extinguishes, illustrate the leakage of the protector
Electric protection function is qualified；Otherwise illustrate the leakage of the protector as long as one leak(age) test switch of closure and indicator light L do not extinguish
Electric protection disabler or protector damage.
Earth leakage search/lockout working value is 22K Ω, error+20%, so leak(age) test resistance one R1 selection electricity when due to 660V
Resistance value is the resistance of 20K Ω as test resistance；When due to 1140V earth leakage search/lockout working value be 40K Ω, error+20%, so
It is the resistance of 40K Ω as test resistance that two R2 of leak(age) test resistance, which selects resistance value, here the specified work(of two test resistances
Rate is 10W, its corresponding leak(age) test switch need to only be disconnected by releasing earth leakage search/lockout.
According to the description of this example as it can be seen that comprehensive protector of motor tester proposed by the present invention could be applicable to other models
Comprehensive protector of motor, be not limited to the comprehensive protector of motor model that this example is pointed out, when test other models motor synthesis
When protector, the multiple parallel connections used that need to be adjusted the resistance value of corresponding leak(age) test resistance, while be mentioned in this example
Overload test main noddle on contactor and multiple parallel connections phase shortage experiment main noddle on contactor can carry out phase according to actual needs
It should adjust, not limited by overload test main noddle on contactor number used in this application and phase shortage experiment main noddle on contactor number
System, while the primary side that can also adjust transformer as needed adapts to the comprehensive of corresponding model with the turn ratio of secondary side and protects
The normal working voltage of device is protected, every corresponding adjustment on the basis of the application is within the scope of protection of this application.
Claims (8)
1. comprehensive protector of motor tester, which is characterized in that including strong current generator, transformer, ammeter, overload test
Switch, overload test contactor coil, the overload test main noddle on contactor of multiple parallel connections, phase shortage test switch, phase shortage experiment
Contactor coil, the phase shortage experiment main noddle on contactor of multiple parallel connections, leak(age) test resistance one, leak(age) test resistance two, electric leakage
Test switch one, leak(age) test switch two, indicator light, contact one, contact two, A column caps, B column caps, C column caps, D column caps, E column caps
With F column caps, for being connect with alternating-current voltage source, one end of secondary side is separately connected leak(age) test and opens the primary side of the transformer
Close the one of one one end, one end of leak(age) test switch two, contact one, one end of overload test switch and phase shortage test switch
The other end at end, overload test switch connects the other end of Circuit Fault on Secondary Transformer, phase shortage examination by overload test contactor coil
The other end for testing switch tests the other end that contactor coil connects Circuit Fault on Secondary Transformer by phase shortage, and contact two passes through indicator light
The other end of Circuit Fault on Secondary Transformer is connected, the other end of leak(age) test switch one connects C column caps, leakage by leak(age) test resistance one
The other end of electric test switch two connects C column caps by leak(age) test resistance two, and one end of ammeter is used to occur with high current
The Y output ends of device connect, and the other end connects E column caps by the overload test main noddle on contactor of multiple parallel connections respectively and by more
The phase shortage experiment main noddle on contactor of a parallel connection connects F column caps, and the X output ends of strong current generator are touched for being connect with B column caps
First to be used to connect with one end of relay in comprehensive protector of motor, contact two is used for and relay in comprehensive protector of motor
Other end connection, A column caps with the A output ends in comprehensive protector of motor for connecting, and B column caps are used for and electromotor integrated protection
B input terminals connection in device, for being connect with the C output ends in comprehensive protector of motor, D column caps are used for comprehensive with motor C column caps
Close the D input terminals connection in protector, E column caps for connect with the E output ends in comprehensive protector of motor, F column caps for
F input terminals connection in comprehensive protector of motor.
2. comprehensive protector of motor tester according to claim 1, which is characterized in that further include power switch and fusing
Device, for being connect with one end of alternating-current voltage source, the other end connects transformer one by power switch for one end of the fuse
One end of secondary side, the other end of transformer primary side with the other end of alternating-current voltage source for connecting.
3. comprehensive protector of motor tester according to claim 1, which is characterized in that further include voltmeter, the electricity
One end of one end connection transformer primary side of table, the other end is pressed to connect the other end of transformer primary side.
4. comprehensive protector of motor tester according to claim 3, which is characterized in that the range of the voltmeter is 0-
250V。
5. comprehensive protector of motor tester according to any one of claims 1-4, which is characterized in that the transformer
The input voltage of primary side is the voltage that voltage value is 220V, and the output voltage of Circuit Fault on Secondary Transformer is the electricity that voltage value is 36V
Pressure.
6. comprehensive protector of motor tester according to claim 1, which is characterized in that the range of the ammeter is 0-
300A。
7. comprehensive protector of motor tester according to claim 1, which is characterized in that the leak(age) test switch one is
The leak(age) test that voltage class is 660V switchs, and leak(age) test switch two is the leak(age) test switch that voltage class is 1140V.
8. comprehensive protector of motor tester according to claim 7, which is characterized in that the leak(age) test resistance one
Resistance value is 20K Ω, and the resistance value of rated power 10W, the leak(age) test resistance two are 40K Ω, rated power 10W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209703.3A CN108594053B (en) | 2018-03-14 | 2018-03-14 | Tester for comprehensive protector of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209703.3A CN108594053B (en) | 2018-03-14 | 2018-03-14 | Tester for comprehensive protector of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108594053A true CN108594053A (en) | 2018-09-28 |
| CN108594053B CN108594053B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209703.3A Active CN108594053B (en) | 2018-03-14 | 2018-03-14 | Tester for comprehensive protector of motor |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4789834A (en) * | 1986-12-22 | 1988-12-06 | General Electric Company | Method and apparatus for testing of induction motor overload protection device |
| CN2394363Y (en) * | 1999-11-04 | 2000-08-30 | 苏玉书 | Comprehensive protector for ignition and running of motor |
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| KR20160038251A (en) * | 2014-09-30 | 2016-04-07 | 엘에스산전 주식회사 | Apparatus for testing motor protection relay |
| CN207882372U (en) * | 2018-03-14 | 2018-09-18 | 四川川煤华荣能源股份有限公司 | Comprehensive protector of motor tester |
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| US4789834A (en) * | 1986-12-22 | 1988-12-06 | General Electric Company | Method and apparatus for testing of induction motor overload protection device |
| CN2394363Y (en) * | 1999-11-04 | 2000-08-30 | 苏玉书 | Comprehensive protector for ignition and running of motor |
| CN2430804Y (en) * | 2000-06-01 | 2001-05-16 | 西安科技学院 | Intelligent monitoring protector for breaker and motor fault |
| CN2566513Y (en) * | 2002-07-25 | 2003-08-13 | 邯郸钢铁股份有限公司 | Comprehensive protector for AC electric machine |
| CN2626107Y (en) * | 2003-04-21 | 2004-07-14 | 北京博鑫东辰电子设备有限公司 | Electronic motor protector |
| CN101344552A (en) * | 2008-08-15 | 2009-01-14 | 安徽理工大学 | High voltage power grid comprehensive protector tester |
| CN102087171A (en) * | 2009-12-04 | 2011-06-08 | 江苏省电力公司南京供电公司 | Junction box for switch mechanical characteristic tester |
| CN202616750U (en) * | 2012-03-31 | 2012-12-19 | 杭州星帅尔电器股份有限公司 | Control device for electronic motor protector |
| CN103926488A (en) * | 2014-04-04 | 2014-07-16 | 苏州工业职业技术学院 | System for testing electric leakage protector |
| KR20160038251A (en) * | 2014-09-30 | 2016-04-07 | 엘에스산전 주식회사 | Apparatus for testing motor protection relay |
| CN104360207A (en) * | 2014-12-03 | 2015-02-18 | 国家电网公司 | Leakage protector detection desk |
| CN204464962U (en) * | 2015-04-14 | 2015-07-08 | 集宁师范学院 | Motor phase failure protection warning circuit |
| CN207882372U (en) * | 2018-03-14 | 2018-09-18 | 四川川煤华荣能源股份有限公司 | Comprehensive protector of motor tester |
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|---|---|
| CN108594053B (en) | 2024-03-29 |
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