CN106646031B - Electric cabinet test circuit - Google Patents
Electric cabinet test circuit Download PDFInfo
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- CN106646031B CN106646031B CN201611030455.3A CN201611030455A CN106646031B CN 106646031 B CN106646031 B CN 106646031B CN 201611030455 A CN201611030455 A CN 201611030455A CN 106646031 B CN106646031 B CN 106646031B
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- signal lamp
- electric cabinet
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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
- G01R31/005—Testing of electric installations on transport means
- G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
-
- 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
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Motor And Converter Starters (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Electric cabinet test circuit belongs to test circuit technical field, especially relates to an electric cabinet test circuit. The invention provides an electric cabinet test circuit which is high in working efficiency and convenient to operate. The invention comprises L1, L2, L3 and N terminals connected with power supply, U, V, W, N terminals connected with a main switch U, V, W, N terminal of an electric cabinet, U12, V12 and W12 terminals connected with left control motor terminals U12, V12 and W12 of the electric cabinet, 24 and 25 terminals connected with an internal electromagnetic valve of an external motor of the electric cabinet, 3, 5, 8 and 9 terminals connected with external limit switches of the electric cabinet, 3, 5, 8 and 9 terminals of equipment N and N terminals of the equipment.
Description
Technical Field
The invention belongs to the technical field of test circuits, and particularly relates to an electric cabinet test circuit.
Background
When the electric cabinet of the aircraft arresting equipment is tested, the labor intensity of an experimenter is high, the efficiency is low, and the secondary element of the electric cabinet cannot be tested. Therefore, an electric cabinet test circuit with convenient operation and high safety is urgently needed.
Disclosure of Invention
The invention aims at the problems and provides the electric cabinet test circuit which is high in working efficiency and convenient to operate.
In order to achieve the purpose, the invention adopts the following technical scheme that the invention comprises L1, L2, L3 and N terminals connected with power supply, U, V, W, N terminals connected with the main switch U, V, W, N terminal of the electric cabinet, U12, V12 and W12 terminals connected with the left control motor terminals U12, V12 and W12 of the electric cabinet, 24 and 25 terminals connected with the electromagnetic valve inside the electric motor outside the electric cabinet, 3, 5, 8 and 9 terminals connected with the limit switch outside the electric cabinet, 3, 5, 8 and 9 terminals of the equipment N and N terminals of the equipment N.
U22, V22, W22 terminals of U22, V22, W22 of the right control motor terminal of the electric cabinet are connected, 26, 27 terminals of the electromagnetic valve inside the electric cabinet external leading motor are connected, 12, 14, 17, 18, N terminals of the limit switch terminals 12, 14, 17, 18, N are connected.
The L1, L2 and L3 terminals are respectively and correspondingly connected with a first end of a first switch, a first end of a second switch and a first end of a third switch of a KM2 contactor through a QF1 power supply main switch and a TV1 isolation transformer in sequence, the first end of the first switch, the first end of the second switch and the first end of the third switch of the KM2 contactor are correspondingly connected with the first end of the first switch, the first end of the second switch and the first end of the third switch of the KM1 contactor, the second end of the second switch and the second end of the third switch of the KM1 contactor are correspondingly connected with the second end of the third switch of the KM2 contactor, the second end of the second switch and the second end of the first switch, and the second end of the third switch of the KM2 contactor are correspondingly connected with a U, V, W terminal.
The first end of the KM2 contactor is connected with the 11 pin of the DYB-U-Ak3 voltmeter PV, the first end of the KM2 contactor is connected with the 12 pin of the PV voltmeter, the 13 pin of the PV voltmeter is connected with one end of a KM1 and one end of a KM2 control end respectively, the other end of the KM1 control end is connected with the first wiring end of the SB1 knob switch, the other end of the KM2 control end is connected with the second wiring end of the SB1 knob switch, the third wiring end of the SB1 knob switch, the N terminal, one end of a 1HR1 signal lamp and one end of a 1HR2 signal lamp are connected, the other end of the 1HR1 signal lamp is connected with the 13 pin of the 1BJ R4 TG20 type phase sequence protector, the other end of the 1HR2 signal lamp is connected with the 11 pin of the 1BJ, the U phase connection terminal of the 1BJ is connected with one end of a U12 terminal, one end of the 1HR3 signal lamp and one end of the 1HR5 signal lamp respectively, the other end of the 1HR3 signal lamp is connected with the V connection terminal of the 1BJ 12 terminal, one end of the 1HR4 signal lamp, the other end of the 1HR4 signal lamp is connected with the other end of the 1HR 12 terminal, and the other end of 1HR 12 terminal of the 1BJ is connected with the other end of 1BJ W is connected with the 1BJ W.
The 3 terminal is connected with the 5 terminal through a 1SB2 knob switch and a 1SB3 knob switch in sequence; the 8 terminal is connected with the N terminal of the equipment through the 1SB4 knob switch, the 9 terminal and the 1SB5 knob switch in sequence.
N terminal, 2HR1 signal lamp one end, 2HR2 signal lamp one end link to each other, 2HR1 signal lamp other end links to each other with 2BJ RM4TG20 type phase sequence protector's 23 foot, 2HR2 signal lamp other end links to each other with 2 BJ's 21 foot, 2 BJ's U phase connection end links to each other with U22 terminal, 2HR3 signal lamp one end, 2HR5 signal lamp one end respectively, 2HR3 other end links to each other with 2 BJ's V phase connection end, V22 terminal, 2HR4 signal lamp one end, 2HR4 signal lamp other end, W22 terminal, 2HR5 signal lamp other end, 2 BJ's W phase connection end link to each other.
The 12 terminal is connected with the 14 terminal through a 2SB2 knob switch and a 2SB3 knob switch in sequence; the terminal 17 is connected with the terminal N of the equipment through a 2SB4 knob switch, a terminal 18 and a 2SB5 knob switch in sequence.
As a preferable scheme, the W phase terminal of the 1BJ is connected with a 1HR6 signal lamp.
As another preferable scheme, the W phase terminal of the 2BJ is connected with a 2HR6 signal lamp.
The invention has the beneficial effects that.
The wide-voltage operating power supply provided by the invention is safer, small in size, movable, complete in function, high in compatibility, simple and convenient to operate, simple and clear in operation, capable of improving the working efficiency and reducing the labor intensity.
Drawings
The invention is further described below with reference to the drawings and the detailed description. The scope of the present invention is not limited to the following description.
Fig. 1 is a schematic circuit diagram of the present invention.
Figure 2 is a schematic circuit diagram of an electric cabinet for an aircraft arresting device to which the present invention is applied.
Detailed Description
As shown in the figure, the invention comprises L1, L2, L3 and N terminals connected with a power supply, U, V, W, N terminals connected with a main switch U, V, W, N terminal of an electric cabinet, U12, V12 and W12 terminals connected with left control motor terminals U12, V12 and W12 of the electric cabinet, 24 and 25 terminals connected with solenoid valves inside the electric cabinet external leading motor, 3, 5, 8 and 9 terminals connected with external leading limit switches of the electric cabinet, 3, 5, 8 and 9 terminals of equipment N and N terminals of the equipment.
U22, V22, W22 terminals of U22, V22, W22 of the right control motor terminal of the electric cabinet are connected, 26, 27 terminals of the electromagnetic valve inside the electric cabinet external leading motor are connected, 12, 14, 17, 18, N terminals of the limit switch terminals 12, 14, 17, 18, N are connected.
The L1, L2 and L3 terminals are respectively and correspondingly connected with a first end of a first switch, a first end of a second switch and a first end of a third switch of a KM2 contactor through a QF1 power supply main switch and a TV1 isolation transformer in sequence, the first end of the first switch, the first end of the second switch and the first end of the third switch of the KM2 contactor are correspondingly connected with the first end of the first switch, the first end of the second switch and the first end of the third switch of the KM1 contactor, the second end of the second switch and the second end of the third switch of the KM1 contactor are correspondingly connected with the second end of the third switch of the KM2 contactor, the second end of the second switch and the second end of the first switch, and the second end of the third switch of the KM2 contactor are correspondingly connected with a U, V, W terminal.
The first end of the KM2 contactor is connected with the 11 pin of the DYB-U-Ak3 voltmeter PV, the first end of the KM2 contactor is connected with the 12 pin of the PV voltmeter, the 13 pin of the PV voltmeter is connected with one end of a KM1 and one end of a KM2 control end respectively, the other end of the KM1 control end is connected with the first wiring end of the SB1 knob switch, the other end of the KM2 control end is connected with the second wiring end of the SB1 knob switch, the third wiring end of the SB1 knob switch, the N terminal, one end of a 1HR1 signal lamp and one end of a 1HR2 signal lamp are connected, the other end of the 1HR1 signal lamp is connected with the 13 pin of the 1BJ R4 TG20 type phase sequence protector, the other end of the 1HR2 signal lamp is connected with the 11 pin of the 1BJ, the U phase connection terminal of the 1BJ is connected with one end of a U12 terminal, one end of the 1HR3 signal lamp and one end of the 1HR5 signal lamp respectively, the other end of the 1HR3 signal lamp is connected with the V connection terminal of the 1BJ 12 terminal, one end of the 1HR4 signal lamp, the other end of the 1HR4 signal lamp is connected with the other end of the 1HR 12 terminal, and the other end of 1HR 12 terminal of the 1BJ is connected with the other end of 1BJ W is connected with the 1BJ W.
The 3 terminal is connected with the 5 terminal through a 1SB2 knob switch and a 1SB3 knob switch in sequence; the 8 terminal is connected with the N terminal of the equipment through the 1SB4 knob switch, the 9 terminal and the 1SB5 knob switch in sequence.
N terminal, 2HR1 signal lamp one end, 2HR2 signal lamp one end link to each other, 2HR1 signal lamp other end links to each other with 2BJ RM4TG20 type phase sequence protector's 23 foot, 2HR2 signal lamp other end links to each other with 2 BJ's 21 foot, 2 BJ's U phase connection end links to each other with U22 terminal, 2HR3 signal lamp one end, 2HR5 signal lamp one end respectively, 2HR3 other end links to each other with 2 BJ's V phase connection end, V22 terminal, 2HR4 signal lamp one end, 2HR4 signal lamp other end, W22 terminal, 2HR5 signal lamp other end, 2 BJ's W phase connection end link to each other.
The 12 terminal is connected with the 14 terminal through a 2SB2 knob switch and a 2SB3 knob switch in sequence; the terminal 17 is connected with the terminal N of the equipment through a 2SB4 knob switch, a terminal 18 and a 2SB5 knob switch in sequence.
The W phase connection end of the 1BJ is connected with a 1HR6 signal lamp.
The W phase connection end of the 2BJ is connected with a 2HR6 signal lamp.
As shown in fig. 2, the electric cabinet circuit of the aircraft arresting device comprises a QF1 power supply main switch, QF2 and QF3 motor power switches, QF6 and QF7 control power switches, a PV voltmeter and a BJ phase sequence protector, wherein one end of the QF1 is connected with a three-phase AC380V power supply, the other end of the QF1 is respectively connected with one end of the QF2, one end of the QF3, one end of the QF4 switch, one end of the QF5 switch, one end of the BJ detection signal input end and one end of the PV detection signal input end, and the other end of the QF4 switch is connected with the power end of the motor M3.
The other end of the QF2 is connected with one end of a first controlled switch of the contactor KM1 and one end of a first controlled switch of the contactor KM2, and the phase end of the other end U, V, W of the first controlled switch of the contactor KM1 is correspondingly connected with the phase end W, V, U of the other end of the first controlled switch of the contactor KM 2; the phase end of the other end W, V, U of the first controlled switch of KM2 is connected with the phase end W, V, U of the motor M1, the phase end U, V of the first controlled switch of KM1 is connected with the power end of the control electromagnetic valve YB1 of M1, and the control signal input end of YB1 is connected with the second controlled switch of KM1 and the second controlled switch of KM 2.
The other end of the QF3 is connected with one end of a first controlled switch of the contactor KM3 and one end of a first controlled switch of the contactor KM4, and the other end U, V, W phase end of the first controlled switch of the contactor KM3 is correspondingly connected with the other end W, V, U phase end of the first controlled switch of the contactor KM4 respectively; the phase end of the other end W, V, U of the first controlled switch of KM4 is connected with the phase end W, V, U of the motor M2, the phase end U, V of the other end of the first controlled switch of KM3 is connected with the power end of the control electromagnetic valve YB2 of M2, and the control signal input end of YB2 is connected with the second controlled switch of KM3 and the second controlled switch of KM 4.
One end of a controlled first switch of the BJ is connected with one end of a QF6, the other end of the QF6 is connected with one end W of a first controlled switch of the KM2, one end of a controlled second switch of the BJ is connected with one end of a QF7, and the other end of the QF7 is connected with one end W of a first controlled switch of the KM 4.
The other end of the controlled first switch of the BJ is respectively connected with one end of a KM1 control end and one end of a KM1 third controlled switch through a scram switch SB3 in linkage, and the other end of the KM1 control end is respectively connected with one end of a control switch SB1 in linkage and one end of a KM1 fourth controlled switch through a KM2 third controlled switch, a side supporting rod turning 85-degree position limit switch SQ1 and a side supporting rod turning 90-degree position limit switch SQ 2; the other end of the KM1 third controlled switch is respectively connected with one end of the SB2 linkage first switch and one end of the time relay KT1 instantaneous controlled switch, the other end of the SB2 linkage first switch, one end of the KM2 control end, the other end of the KT1 instantaneous controlled switch and one end of the KT1 control end are connected, the other end of the KM2 control end is respectively connected with one end of the KT1 time delay controlled switch and one end of the one-side supporting rod falling 6-degree position limit switch SQ3, and the other end of the KT1 time delay controlled switch, the other end of the SQ3, the other end of the KT1 control end and one-side supporting rod falling 0-degree position limit switch SQ4 are connected.
The other end of the controlled second switch of the BJ is respectively connected with one end of a KM3 control end and one end of a KM3 third controlled switch through a sudden stop switch SB3 in linkage, the other end of the KM3 control end is respectively connected with one end of a control switch SB1 in linkage with the second switch and one end of a KM3 fourth controlled switch through a KM4 third controlled switch, a position limit switch SQ5 rotated by the other side support rod and a position limit switch SQ6 rotated by the other side support rod by 90 degrees; the other end of the KM3 third controlled switch is respectively connected with one end of the SB2 linkage second switch and one end of the time relay KT2 instantaneous controlled switch, the other end of the SB2 linkage second switch, one end of the KM4 control end, the other end of the KT2 instantaneous controlled switch and one end of the KT2 control end are connected, the other end of the KM4 control end is respectively connected with one end of the KT2 delay controlled switch and one end of the other side strut falling 6-degree position limit switch SQ7, and the other end of the KT2 delay controlled switch, the other end of the SQ7, the other end of the KT2 control end and one end of the other side strut falling 0-degree position limit switch SQ8 are connected.
The other end of the SB1 linkage first switch, the other end of the SB1 linkage second switch, the other end of the KM1 fourth controlled switch, the other end of the SQ4, the other end of the KM3 fourth controlled switch, the other end of the SQ8 and the zero line of the AC220V power supply are connected, and the live line of the AC220V power supply is connected with the V phase of the three-phase AC380V power supply.
The 3 feet of YB1 are connected with one end of a KM1 second controlled switch and one end of a KM2 second controlled switch, and the other end of the KM1 second controlled switch, the other end of the KM2 second controlled switch and the 4 feet of YB1 are connected.
The BJ adopts RM4TG20 type phase sequence protector, pins 15 and 25 of the BJ are correspondingly connected with one end of QF6 and one end of QF7 respectively, and pins 18 and 28 of the BJ are correspondingly connected with SB3 linkage first switch and SB3 linkage second switch.
The invention also comprises a temperature sensor, a humidity sensor and a heater, wherein a signal output port of the temperature sensor and a signal output port of the humidity sensor are respectively connected with a signal input port of a controller, and a control signal output port of the controller is connected with a control signal input port of the heater. The invention is arranged in an electric cabinet, and the temperature and the humidity are detected to heat the inside of the cabinet when needed.
As shown in fig. 2, the QF1 power supply main switch is switched on, the QF2 motor power supply switch and the QF3 motor power supply switch are switched on, the QF6 motor power supply switch and the QF7 motor power supply switch control power supply circuit are switched on, the control power supply circuit is powered on, the PV voltmeter displays voltage, the BJ phase sequence protector rapidly checks that the phase advance of the electric quantity of a certain phase of the three-phase electric phase sequence is arranged in front, the phase lagging phase of the electric quantity is arranged behind, the mutual difference between the three phases is 120 degrees, the second phase lags the first phase by 120 degrees, and the last phase lags the first phase by 240 degrees. The phase sequence is normal, the yellow LED lamp is on, and the secondary control loop power supply is conducted to obtain electricity.
Pressing the SB1 button to close the normally open contact, simultaneously powering the coils of the contactors KM1 and KM3, and attracting the normally open auxiliary contacts of the contactors KM1 and KM3 to continuously powering the closed coil. The main contact is closed to start 2 motors, the motors rotate clockwise to drag the object from the starting point to the set position, and when the object reaches the required position, normally closed contacts of external matched limit switches SQ1 and SQ5 are opened. If faults occur, normally closed contacts of external matched limit switches SQ1 and SQ5 are not disconnected, normally closed contacts of external matched limit switches SQ2 and SQ6 in a series circuit are disconnected (SQ 2 and SQ6 are auxiliary protection, a motor drives an initial horizontally-placed rotating rod to rotate around one end to stand up to 85 ℃, the faults touch the SQ1 and SQ5, and the rotating rod to stand up are completed. Contactors KM1 and KM3 and normally open auxiliary contacts control solenoid valves of the motor.
The motor of the invention can adopt XWDE-71-7.5KW type motor.
Pressing the SB2 button to close the normally open contact, simultaneously powering up the coils of the contactors KM2, KM4 and the time relays KT1 and KT2, closing the normally open auxiliary contact in the transient operation of the KT1 and KT2, and continuously powering up the coils. The time relays KT1 and KT2 are electrified to delay contact waiting, main contacts of the contactors KM2 and KM4 are closed to start 2 motors, and the motors rotate the dragged object anticlockwise to return to the starting point. When an object returns to the starting point, normally closed contacts of external matched limit switches SQ3 and SQ7 are disconnected at set positions for preventing collision, coils of contactors KM2 and KM4 are powered off, main contacts are disconnected, and the motor stops running. After the dragged object is stopped at the required position for 6 seconds, the energizing delay contacts of the time relays KT1 and KT2 are closed, the coils of the contactors KM2 and KM4 are energized, the main contact is closed, the motor continues to rotate anticlockwise to enable the dragged object to return to the position of the starting point, normally closed contacts of the external limit switches SQ4 and SQ8 in the series circuit are opened, the coils of the contactors KM2 and KM4 are de-energized again, the main contact is opened, and the motor stops running. The normally open auxiliary contacts of the contactors KM2 and KM4 control the solenoid valve of the motor.
Normally closed contacts of the contactors KM1 and KM3 are connected in series in control loops of KM2 and KM4 for preventing misoperation.
The operation of the present invention will be described with reference to the accompanying drawings.
QF1 power supply main switch is switched on, through TV1 isolation transformer, PV voltmeter shows that voltage SB1 knob switch dials to the position of correct or wrong phase sequence (when the connected mode is wrong, KM1 way is correct KM2 way), KM2 or KM1 contactor coil gets whether electric main contact closed experiment electric cabinet phase sequence protector is normal.
The 1BJ phase sequence protector (RM 4TG 20) is used for testing that the left control motor is turned on by a 1HR1 signal lamp when running clockwise and the motor is turned on by a 1HR2 signal lamp when running anticlockwise so as to judge whether the circuit is normal. Meanwhile, the working state of the main contact of the motor contactor is controlled through the inside of the 1HR3, 4 and 5 signal lamp test electric cabinet, and the 1HR6 signal lamp tests the contacted auxiliary contact. The normal closed point of the manual 1SB2, 3, 4 and 5 knob switches simulates whether the limit switch angle position test circuit led out by the electric cabinet is correct or not. And the electric cabinet controls the left motor line to complete the test.
The 2BJ phase sequence protector is used for testing that the right control motor is turned on by a 2HR1 signal lamp when the motor runs clockwise and the motor is turned on by a 2HR2 signal lamp when the motor runs anticlockwise so as to judge whether the circuit is normal. Meanwhile, the working state of the main contact of the motor contactor is controlled through the inside of a 2HR3, 4 and 5 signal lamp test electric cabinet, and the 2HR6 signal lamp tests the contacted auxiliary contact. The normal closed point of the manual 2SB2, 3, 4 and 5 knob switches simulates whether the limit switch angle position test circuit led out by the electric cabinet is correct or not. And the electric cabinet controls the right motor line to complete the test.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (1)
1. The electric cabinet test circuit comprises terminals L1, L2 and L3 connected with a power supply and a power supply N terminal, and is characterized in that the U, V, W and the power supply N terminals of the test circuit are respectively connected with an electric cabinet main switch U, V, W and the power supply N terminal, the U12, V12 and W12 terminals of the test circuit are respectively connected with the U12, V12 and W12 terminals of an electric cabinet left control motor, the 24 and 25 terminals of the test circuit are connected with an electromagnetic valve inside an electric cabinet outer leading motor, and the 3, 5, 8 and 9 and equipment N terminals of the test circuit are respectively connected with the 3, 5, 8 and 9 and equipment N terminals of the electric cabinet outer leading limit switch; the U22, V22 and W22 terminals of the test circuit are respectively connected with the U22, V22 and W22 of the right control motor terminal of the electric cabinet, the 26 and 27 terminals of the test circuit are connected with the electromagnetic valve inside the external motor of the electric cabinet, and the 12, 14, 17 and 18 and the N terminal of the equipment of the test circuit are respectively connected with the 12, 14, 17 and 18 and the N terminal of the external limit switch of the electric cabinet;
the terminals L1, L2 and L3 of the test circuit are respectively and correspondingly connected with a first end, a second end and a third end of a first switch of a KM2 contactor through a QF1 power supply main switch and a TV1 isolation transformer in sequence, the first end, the second end and the third end of the first switch of the KM2 contactor are correspondingly connected with the first end, the second end and the first end of the first switch of the KM1 contactor, the second end and the second end of the first switch of the KM1 contactor are correspondingly connected with the second end, the second end and the second end of the third switch of the KM2 contactor, and the first end and the second end of the first switch are respectively and correspondingly connected with a W, V, U terminal of the test circuit;
the first end of a KM2 contactor is connected with the 11 pin of a DYB-U-Ak3 type PV voltmeter, the first end of a KM2 contactor is connected with the 12 pin of the PV voltmeter, the 13 pin of the PV voltmeter is respectively connected with one control end of the KM1 contactor and one control end of the KM2 contactor, the other control end of the KM1 contactor is connected with the first wiring end of a SB1 knob switch, the other control end of the KM2 contactor is connected with the second wiring end of the SB1 knob switch, the third wiring end of the SB1 knob switch, the fourth wiring end of the SB1 knob switch, the power N terminal of a test circuit, one end of a 1HR1 signal lamp and one end of the 1HR2 signal lamp are connected, the other end of the 1HR1 signal lamp is connected with the 13 pin of a RM4TG20 type phase sequence protector, the other end of the 1HR2 signal lamp is connected with the 11 pin of the 1BJ, the U phase of the 1BJ is respectively connected with the U12 terminal of the test circuit, one end of the 1HR3 signal lamp and one end of the 1HR5 signal lamp, the other end of the 1HR3 signal lamp is respectively connected with the V12 terminal of the test circuit, the V12 of the other end of the BJ 1HR4 signal lamp, the other end of the signal lamp is connected with the V12 of the test circuit, the other end of the BJ 4H 4, and the other end of the signal lamp is connected with the test circuit of the other end of the test 1BJ is connected with the test terminal of the signal lamp;
the 3 terminal of the test circuit is connected with the 5 terminal of the test circuit through the 1SB2 knob switch and the 1SB3 knob switch in sequence; the 8 terminal of the test circuit is connected with the N terminal of the equipment of the test circuit through the 1SB4 knob switch, the 9 terminal of the test circuit and the 1SB5 knob switch in sequence;
the power N terminal of the test circuit, one end of the 2HR1 signal lamp and one end of the 2HR2 signal lamp are connected, the other end of the 2HR1 signal lamp is connected with the 23 pin of the RM4TG20 phase sequence protector 2BJ, the other end of the 2HR2 signal lamp is connected with the 21 pin of the 2BJ, the U-phase connection end of the 2BJ is respectively connected with the U22 terminal of the test circuit, one end of the 2HR3 signal lamp and one end of the 2HR5 signal lamp, the other end of the 2HR3 is respectively connected with the V-phase connection end of the 2BJ, the V22 terminal of the test circuit and one end of the 2HR4 signal lamp, the other end of the 2HR4 signal lamp, the W22 terminal of the test circuit, the other end of the 2HR5 signal lamp and the W-phase connection end of the 2BJ are respectively connected;
the 12 terminal of the test circuit is connected with the 14 terminal of the test circuit through a 2SB2 knob switch and a 2SB3 knob switch in sequence; the 17 terminal of the test circuit is connected with the equipment N terminal of the test circuit through the 2SB4 knob switch, the 18 terminal of the test circuit and the 2SB5 knob switch in sequence;
the W-phase terminal of the 1BJ is connected with a 1HR6 signal lamp;
the W phase connection end of the 2BJ is connected with a 2HR6 signal lamp.
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CN201611030455.3A CN106646031B (en) | 2016-11-22 | 2016-11-22 | Electric cabinet test circuit |
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CN201611030455.3A CN106646031B (en) | 2016-11-22 | 2016-11-22 | Electric cabinet test circuit |
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JP2003107128A (en) * | 2001-09-27 | 2003-04-09 | Ando Electric Co Ltd | Semiconductor testing device and test method |
CN103346733A (en) * | 2013-07-15 | 2013-10-09 | 抚顺煤矿电机制造有限责任公司 | Explosion-proof type coal mining machine motor electric control device |
CN204064635U (en) * | 2014-08-12 | 2014-12-31 | 中船重工特种设备有限责任公司 | Controlled valve life test apparatus |
CN104281144A (en) * | 2014-09-25 | 2015-01-14 | 东北大学 | Single device control program test platform and method based on combined electrical loop |
CN206321717U (en) * | 2016-11-22 | 2017-07-11 | 辽宁东鹰航空装备科技股份有限公司 | Electric cabinet hookup |
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2016
- 2016-11-22 CN CN201611030455.3A patent/CN106646031B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003107128A (en) * | 2001-09-27 | 2003-04-09 | Ando Electric Co Ltd | Semiconductor testing device and test method |
CN103346733A (en) * | 2013-07-15 | 2013-10-09 | 抚顺煤矿电机制造有限责任公司 | Explosion-proof type coal mining machine motor electric control device |
CN204064635U (en) * | 2014-08-12 | 2014-12-31 | 中船重工特种设备有限责任公司 | Controlled valve life test apparatus |
CN104281144A (en) * | 2014-09-25 | 2015-01-14 | 东北大学 | Single device control program test platform and method based on combined electrical loop |
CN206321717U (en) * | 2016-11-22 | 2017-07-11 | 辽宁东鹰航空装备科技股份有限公司 | Electric cabinet hookup |
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