CN110794214B - Integrated testing device and method for integrated circuit parameter insulation - Google Patents

Integrated testing device and method for integrated circuit parameter insulation Download PDF

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Publication number
CN110794214B
CN110794214B CN201911092611.2A CN201911092611A CN110794214B CN 110794214 B CN110794214 B CN 110794214B CN 201911092611 A CN201911092611 A CN 201911092611A CN 110794214 B CN110794214 B CN 110794214B
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China
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switch
open contact
intermediate relay
normally open
fes
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CN110794214A (en
Inventor
夏俊飞
刘壮
骆鹏
林永祥
刘德华
王婧雯
谭国梁
徐传福
李鑫
王莉萍
范孟乾
张妍
孙娇
周卫东
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Shandong Power Transmission And Distribution Engineering Co ltd
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Shandong Power Transmission And Distribution Engineering Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • 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
    • G01R29/18—Indicating phase sequence; Indicating synchronism

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention provides an integrated circuit parameter insulation integrated testing device, which comprises: the insulation measurement unit comprises a phase selection module, a function selection module, a plurality of function modules and an isolation grounding protection unit, wherein the input end of the insulation measurement unit is connected with a three-phase line to be measured; the invention also provides an integrated circuit parameter insulation integrated test method, which effectively realizes the isolation between the circuit to be tested and test equipment and test personnel, does not need personnel to change the wires in the processes of measuring and verifying the insulation resistance, effectively shortens the test time of the circuit parameter test and improves the safety of the test.

Description

Integrated testing device and method for integrated circuit parameter insulation
Technical Field
The invention relates to the technical field of power transmission line parameter tests, in particular to an integrated testing device and method for parameter insulation of an integrated circuit.
Background
With the development of power transmission technology, power transmission line parameter acquisition and test play an important role in normal operation and maintenance of power transmission lines.
At present, a plurality of power transmission line parameter test items comprise induced electricity measurement, nuclear phase and insulation resistance measurement, positive sequence, zero sequence capacitance and resistance measurement, when the same tower parallel line is involved, mutual inductance parameter measurement is involved, and the insulation resistance measurement and nuclear phase danger coefficient which take the longest time are large.
The existing transmission line parameter test equipment still needs to use an insulating rod to change the test line in the test process, does not reduce the danger of a tester to the test equipment in the processes of measuring and verifying the insulation resistance under high induced voltage, and has longer test time of line parameters and lower efficiency and safety in order to reduce the danger to the tester in the processes of changing the line and operating.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and innovatively provides an integrated circuit parameter insulation integrated testing device and method, so that the wires do not need to be changed by personnel in the processes of measuring and verifying the insulation resistance, the testing time of the circuit parameter testing is effectively shortened, and the safety of the testing test is improved.
The invention provides an integrated circuit parameter insulation integrated testing device in a first aspect, which comprises:
insulating measuring unit, insulating measuring unit's input and the three-phase line connection that awaits measuring, insulating measuring unit includes phase selection module, function selection module, a plurality of functional module, phase selection module and the three-phase line connection that awaits measuring for to the three-phase line that awaits measuring selects, wherein, the three-phase line that awaits measuring includes A looks circuit, the B looks circuit that awaits measuring, the C looks circuit that awaits measuring, the input of function selection module is connected with phase selection module's output for select a plurality of functional module, a plurality of functional module's input and function selection module's output are connected.
The isolation grounding protection unit comprises an isolation module and a grounding protection module, and the input ends of the isolation module and the grounding protection module are connected with the three-phase line to be tested;
and the input end of the line parameter testing equipment is connected with the output end of the isolation module.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the plurality of functional modules at least include: the device comprises an insulation megger function module and a high-voltage measurement module.
Further, the phase selection module comprises:
the A-phase control circuit comprises an intermediate relay KM _ A, a switch SB1_ A, a switch SB2_ A, a breaker QB _ A, an indicator lamp L _ A and a relay JC1, wherein one end of the switch SB1_ A is connected with the phase A line to be detected, the other end of the switch SB1_ A is connected with one end of the switch SB2_ A all the way, one way is connected with one end of a first normally open contact of the intermediate relay KM _ A, one way is connected with one end of a second normally open contact of the intermediate relay KM _ A, the other way is connected with one end of a normally open contact of the breaker QB _ A, the other end of the switch SB2_ A is connected with one end of a coil of the intermediate relay KM _ A, the other end of the first normally open contact of the intermediate relay KM _ A is connected with one end of the coil of the intermediate relay KM _ A, the other end of the second normally open contact of the intermediate relay KM _ A is connected with one end of the coil of the breaker QB _ A, and the other end of the normally open contact of the indicator lamp L _ A is connected with one end of the indicator lamp L _ A, the other end of the coil of the intermediate relay KM _ A is connected with one end of a first normally open contact of a relay JC1, and the other end of the first normally open contact of the relay JC1, the other end of the coil of the QB _ A and the other end of the indicator light L _ A are connected with a zero line end;
b-phase control circuit, B-phase control circuit includes intermediate relay KM _ B, switch SB1_ B, switch SB2_ B, breaker QB _ B, pilot lamp L _ B, relay JC1, switch SB1_ B one end is connected with the B-phase circuit to be measured, the other end is connected with one end of switch SB2_ B all the way, all the way is connected with first normally open contact one end of intermediate relay KM _ B, all the way is connected with second normally open contact one end of intermediate relay KM _ B, another way is connected with normally open contact one end of breaker QB, the other end of switch SB2_ B is connected with one end of intermediate relay KM _ B coil, the first normally open contact other end of intermediate relay KM _ B is connected with one end of intermediate relay KM _ B coil, the second normally open contact other end of intermediate relay KM _ B is connected with one end of breaker QB coil, the normally open contact other end of breaker QB is connected with one end of pilot lamp L _ B, the other end of the coil of the intermediate relay KM _ B is connected with one end of a second normally open contact of a relay JC1, and the other end of the second normally open contact of the relay JC1, the other end of the coil of the QB _ B and the other end of the indicator light L _ B are connected with a zero line end;
c-phase control circuit, the C-phase control circuit includes intermediate relay KM _ C, switch SB1_ C, switch SB2_ C, breaker QB _ C, pilot lamp L _ C, relay JC1, switch SB1_ C one end is connected with the C-phase circuit to be tested, the other end is connected with one end of switch SB2_ C all the way, all the way is connected with first normally open contact one end of intermediate relay KM _ C, all the way is connected with second normally open contact one end of intermediate relay KM _ C, the other way is connected with normally open contact one end of breaker QB _ C, the other end of switch SB2_ C is connected with one end of intermediate relay KM _ C coil, the first normally open contact other end of intermediate relay KM _ C is connected with one end of intermediate relay KM _ C coil, the second normally open contact other end of intermediate relay KM _ C is connected with one end of breaker QB _ C coil, the normally open contact other end of breaker QB _ C is connected with one end of pilot lamp L _ C, the other end of the coil of the intermediate relay KM _ C is connected with one end of a third normally open contact of a relay JC1, and the other end of the third normally open contact of the relay JC1, the other end of the coil of the QB _ C and the other end of the indicator light L _ C are connected with a zero line end.
Further, the function selection module comprises:
a first selection circuit used for selectively controlling the insulating megger function module, wherein the first selection circuit comprises a switch SB1_ JC1, a switch SB2_ JC1, a relay JC1, an intermediate relay KM _ A, an intermediate relay KM _ B and an intermediate relay KM _ C, one end of a switch SB1_ JC1, one end of a third normally open contact of the intermediate relay KM _ A, one end of a third normally open contact of the intermediate relay KM _ B, one end of a third normally open contact of the intermediate relay KM _ C and one end of a fourth normally open contact of the relay JC1 are all connected with a phase terminal to be tested selected by an option module, one way of the other end of the switch SB1_ JC1 is connected with one end of the switch SB2_ JC1, the other way of the switch is connected with one end of a fifth normally open contact of the relay JC1, one way of the other end of the third normally open contact of the intermediate relay KM _ A is connected with one end of the switch SB2_ JC1, and the other end of the fifth normally open contact of the relay JC1 is connected with one end of the switch SB1, one path of the other end of a third normally open contact of the intermediate relay KM _ B is connected with one end of a switch SB2_ JC1, the other path of the other end of the third normally open contact of the intermediate relay KM _ C is connected with one end of a fifth normally open contact of a relay JC1, one path of the other end of the third normally open contact of the intermediate relay KM _ C is connected with one end of a switch SB2_ JC1, the other path of the other end of the fifth normally open contact of the relay JC1 is connected with one end of a coil of a relay JC1, one path of the other end of the coil of the relay JC1 is connected with one end of a first normally closed contact of the intermediate relay KM _ A, one end of a sixth normally open contact of a further connection relay JC1, the other end of the first normally closed contact of the intermediate relay KM _ A is connected with one end of a first normally closed contact of the intermediate relay KM _ B, the other end of the first normally closed contact of the intermediate relay KM _ B is connected with one end of a first normally closed contact of the intermediate relay KM _ C, the other end of a fourth normally-open contact of the relay JC1 is connected with one end of an indicator lamp L _ JC1, and the other end of a first normally-closed contact of the intermediate relay KM _ C, the other end of a sixth normally-open contact of the relay JC1 and the other end of the indicator lamp L _ JC1 are connected with a zero line end;
and the second selection circuit is used for selectively controlling the high-voltage measurement module and comprises a switch JC3, one end of the switch JC3 is connected with the phase line end to be tested selected by the option module, and the other end of the switch JC3 is connected with the input end of the high-voltage measurement module.
Furthermore, the functional modules further comprise a high-voltage suppression module, and the high-voltage suppression module is used for suppressing the induction voltage of the insulating megger functional module.
Further, the function selection module further comprises a third selection circuit, the third selection circuit is used for selectively controlling the high-voltage suppression module, the third selection circuit comprises a switch SB1_ JC2, a switch SB2_ JC2, a relay JC2, an intermediate relay KM _ a, an intermediate relay KM _ B, an intermediate relay KM _ C and an indicator light L _ JC2, one end of a first normally open contact of the relay JC2 is connected with the other end of a coil of the intermediate relay KM _ a, the other end of the first normally open contact is connected with a zero line end, one end of a second normally open contact of the relay JC2 is connected with the other end of the coil of the intermediate relay KM _ B, the other end of the second normally open contact is connected with the zero line end, one end of a third normally open contact of the relay JC2 is connected with the other end of the coil of the intermediate relay KM _ C, the other end of the third normally open contact is connected with the zero line end, one end of the switch SB1_ JC2, one end of a fourth contact of the intermediate relay KM _ a, One end of a fourth normally open contact of the intermediate relay KM _ B, one end of a fourth normally open contact of the intermediate relay KM _ C and one end of a fourth normally open contact of the relay JC2 are connected with a phase line end to be tested selected by the option module, one end of the other end of the switch SB1_ JC2 is connected with one end of the switch SB2_ JC2, one end of a fifth normally open contact of the other connection relay JC2 is connected, one end of the other end of the fourth normally open contact of the intermediate relay KM _ A is connected with one end of the switch SB2_ JC2, one end of the other connection relay JC2 is connected, one end of the other end of the fourth normally open contact of the intermediate relay KM _ B is connected with one end of the switch SB2_ JC2, one end of the other connection relay JC2 is connected, one end of the other normally open contact of the intermediate relay KM _ C is connected with one end of the switch SB2_ JC2, one end of the other connection relay JC2 is connected with one end of the fifth normally open contact of the other connection relay JC2, the other end of switch SB2_ JC2, the fifth normally open contact other end of relay JC2 all are connected with relay JC 2's coil one end, the other end of relay JC 2's coil is connected with intermediate relay KM _ A second normally closed contact one end all the way, another way is connected relay JC 2's sixth normally open contact one end and is connected, the intermediate relay KM _ A second normally closed contact other end is connected with intermediate relay KM _ B second normally closed contact one end, intermediate relay KM _ B second normally closed contact other end is connected intermediate relay KM _ C second normally closed contact one end, the fourth normally open contact other end of relay JC2 is connected with pilot lamp L _ JC2 one end, the intermediate relay KM _ C second normally closed contact other end, relay JC 2's sixth contact other end, pilot lamp L _ JC2 other end all are connected with the zero line end.
With reference to the first aspect, in a second possible implementation manner of the first aspect, the ground protection module includes:
the switch-on grounding protection circuit comprises a switch SBH _ FES, an intermediate relay KMH _ FES, a travel switch XC _ FES, a ground knife H _ FES, a ground knife F _ FES and a switch-on indicator LH _ FES, wherein one end of the switch SBH _ FES, one end of a first normally open contact of the intermediate relay KMH _ FES, one end of a second normally open contact of the intermediate relay KMH _ FES and one end of a normally open contact of the ground knife H _ FES are connected with a phase line end to be tested, the other end of the switch SBH _ FES and the other end of the first normally open contact of the intermediate relay KMH _ FES are connected with one end of a coil of the intermediate relay KMH _ FES, the other end of the coil of the intermediate relay KMH _ FES is connected with one end of the first XC normally closed contact of the travel switch FES, the other end of the normally closed first normally closed contact of the travel switch XC _ FES is connected with one end of the normally closed contact of the ground knife F _ FES, and the other end of the normally open contact of the second normally open contact of the intermediate KMH _ FES is connected with a coil of the ground knife H _ FES, the other end of the normally open contact of the ground knife H _ FES is connected with one end of a closing indicator lamp LH _ FES, and the other end of the normally closed contact of the ground knife F _ FES, the other end of the coil of the ground knife H _ FES and the other end of the closing indicator lamp LH _ FES are connected with a zero line end;
the brake separating ground protection circuit comprises a switch SBF1_ FES, a switch SBF2_ FES, an intermediate relay KMF _ FES, a travel switch XC _ FES, a ground knife F _ FES, a ground knife H _ FES and a brake separating indicator LF _ FES, wherein one end of the switch SBF1_ FES, one end of a first normally open contact of the intermediate relay KMF _ FES, one end of a second normally open contact of the intermediate relay KMF _ FES and one end of a normally open contact of the ground knife F _ FES are connected with a phase line end to be tested, the other end of the switch SBF1_ FES is connected with one end of the switch SBF2_ FES, the other end of the switch SBF2_ FES and the other end of the first normally open contact of the intermediate relay KMF _ FES are connected with one end of a coil of the intermediate relay KMF _ FES, the other end of the coil of the intermediate relay KMF _ FES is connected with one end of a second normally closed contact of the travel switch XC _ FES, and the other end of the normally closed contact of the travel switch XC _ FES is connected with one end of the ground knife, the other end of a second normally open contact of the intermediate relay KMF _ FES is connected with a grounding knife F _ FES coil, the other end of the normally open contact of the grounding knife F _ FES is connected with one end of a switching-off indicator lamp LF _ FES, and the other end of the normally closed contact of the grounding knife H _ FES, the other end of the F _ FES coil of the grounding knife and the other end of the switching-off indicator lamp LF _ FES are connected with a zero line end.
Further, the isolation module includes:
the switching-on isolation circuit comprises a switch SBH _ GD, an intermediate relay KMH _ FES, a travel switch XC _ GD, a knife separation H _ GD, a knife separation F _ GD and a switching-on indicator LH _ GD, wherein one end of the switch SBH _ GD, one end of a first normally-open contact of the intermediate relay KMH _ GD, one end of a second normally-open contact of the intermediate relay KMH _ GD and one end of a normally-open contact of the knife separation H _ GD are connected with a phase line end, the other end of the switch SBH _ GD and the other end of the first normally-open contact of the intermediate relay KMH _ GD are connected with one end of a coil of the intermediate relay KMH _ GD, the other end of the coil of the intermediate relay KMH _ GD is connected with one end of a first normally-closed contact of the travel switch XC _ GD, the other end of the first normally-closed contact of the travel switch XC _ GD is connected with one end of a normally-closed contact of the knife separation F _ GD, and the other end of the normally-closed contact of the normally-open contact of the knife separation F _ GD is connected with one end of a third normally-open contact of the intermediate relay KMH _ FES, the other end of the second normally open contact of the intermediate relay KMH _ GD is connected with one end of the knife isolating H _ GD coil, the other end of the normally open contact of the knife isolating H _ GD is connected with one end of a closing indicator lamp LH _ GD, and the other end of the third normally open contact of the intermediate relay KMH _ FES, the other end of the knife isolating H _ GD coil and the other end of the closing indicator lamp LH _ GD are connected with a zero line end;
the brake separating and isolating circuit comprises a switch SBF _ GD, an intermediate relay KMF _ GD, an intermediate relay KMH _ FES, a travel switch XC _ GD, a knife separation H _ GD, a knife separation F _ GD and a brake separating indicator LF _ GD, one end of the switch SBF _ GD, one end of a first normally open contact of the intermediate relay KMF _ GD, one end of a second normally open contact of the intermediate relay KMF _ GD and one end of a normally open contact of the knife separation F _ GD are connected with a phase line end, the other end of the switch SBF _ GD and the other end of the first normally open contact of the intermediate relay KMF _ GD are connected with one end of a coil of the intermediate relay KMF _ GD, the other end of the coil of the intermediate relay KMF _ GD is connected with one end of a second normally closed contact of the travel switch XC _ GD, the other end of the second normally closed contact of the travel switch XC _ GD is connected with one end of a normally closed contact of the knife separation H _ GD, and the other end of the contact of the knife separation H _ GD is connected with one end of a third normally open contact of the intermediate relay KMH _ FES, the other end of the second normally open contact of the intermediate relay KMF _ GD is connected with one end of a knife isolating F _ GD coil, the other end of the normally open contact of the knife isolating F _ GD is connected with one end of a brake separating indicator lamp LF _ GD, and the other end of the third normally open contact of the intermediate relay KMH _ FES, the other end of the knife isolating F _ GD coil and the other end of the brake separating indicator lamp LF _ GD are connected with a zero line end.
The second aspect of the present invention provides an integrated testing method for integrated circuit parameter insulation, which is implemented by the integrated testing apparatus for integrated circuit parameter insulation of the first aspect of the present invention, and comprises:
sequentially closing the first switch group, the second switch group and the third switch, disconnecting the first switch group and measuring the induced voltage of the phase line to be measured; and/or the presence of a gas in the gas,
sequentially closing the first switch group, the second switch group and the fourth switch group, disconnecting the first switch group, and performing shaking insulation and nuclear phase test on the phase line circuit to be tested; and/or the presence of a gas in the gas,
and closing the first switch group and the fifth switch group in sequence, disconnecting the first switch group and measuring the parameters of the phase line to be measured.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the first switch group includes switch SBH _ FES, switch SBF1_ FES, switch SBF2_ FES, and/or the second switch group includes switch SB2_ a, switch SB2_ B, switch SB2_ C, switch SB2_ JC1, switch SB2_ JC2, and/or the third switch is switch JC3, and/or the fourth switch group includes relay JC1, relay JC2, and the fifth switch group includes switch SBH _ GD, switch SBF _ GD.
The technical scheme adopted by the invention comprises the following technical effects:
1. the invention effectively realizes the isolation between the line to be tested and the test equipment and the test personnel, does not need personnel to change the line in the process of measuring and verifying the phase of the insulation resistance, effectively shortens the test time of the line parameter test and improves the safety of the test.
2. By introducing the high-voltage suppression module, the suppression of induced voltage in the test process is realized, and the safety of the test is further improved.
3. Through introducing ground protection module, will await measuring the direct ground connection of circuit, be convenient for change the safety guarantee of test line or other devices of switching, select two switches in the separating brake ground protection circuit moreover, just can realize the separating brake when two switches all operate simultaneously, prevent the maloperation, further improved the security of test.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without any creative effort.
FIG. 1 is a schematic diagram of an apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of an optional block according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a function selection module according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of a ground protection module according to an embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of an isolation module according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of a second set of line parameter testing methods according to embodiments of the present invention.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
Example one
As shown in fig. 1 to 5, the present invention provides an integrated testing apparatus for insulation of line parameters, comprising:
insulation measuring unit 1, insulation measuring unit 1's input and the three-phase line connection that awaits measuring, insulation measuring unit 1 includes phase selection module 11, function selection module 12, a plurality of functional module 13, phase selection module 11 and the three-phase line connection that awaits measuring for to await measuring the three-phase line and selecting, the input of function selection module 12 is connected with phase selection module 11's output, be used for selecting a plurality of functional module 13, the input of a plurality of functional module 13 is connected with the output of function selection module 12.
The isolation grounding protection unit 2, the isolation grounding protection unit 2 includes an isolation module 21 and a grounding protection module 22, and the input ends of the isolation module 21 and the grounding protection module 22 are connected with the three-phase line to be tested;
and the input end of the line parameter testing device 3 is connected with the output end of the isolation module 21.
The phase selection module 11 includes: the phase-A control circuit 111 comprises an intermediate relay KM _ A, a switch SB1_ A, a switch SB2_ A, a breaker QB _ A, an indicator lamp L _ A and a relay JC1, wherein one end of the switch SB1_ A is connected with a phase line L to be tested, one end of the other end of the switch SB2_ A is connected with one end of the switch SB2_ A, one end of the switch SB is connected with one end of a first normally-open contact KM _ A1 of the intermediate relay KM _ A, one end of the switch SB1_ A is connected with one end of a second normally-open contact KM _ A2 of the intermediate relay KM _ A, the other end of the switch SB2_ A is connected with one end of a coil of the intermediate relay KM _ A, the other end of the first normally-open contact KM _ A1 of the intermediate relay KM _ A is connected with one end of the coil of the intermediate relay KM _ A, the other end of the normally-open contact KM _ A2 of the intermediate relay is connected with one end of the coil of the QB _ A, the other end of a normally open contact of a breaker QB _ A is connected with one end of an indicator light L _ A, the other end of a coil of an intermediate relay KM _ A is connected with one end of a first normally open contact JC11 of a relay JC1, and the other end of the first normally open contact JC11 of the relay JC1, the other end of the coil of the QB _ A and the other end of the indicator light L _ A are connected with a zero line end N;
b-phase control circuit 112, B-phase control circuit 112 includes intermediate relay KM _ B, switch SB1_ B, switch SB2_ B, breaker QB _ B, indicator light L _ B, relay JC1, switch SB1_ B one end is connected with phase B line L to be measured, another end is connected with one end of switch SB2_ B all the way, one way is connected with first normally open contact KM _ B1 end of intermediate relay KM _ B, one way is connected with second normally open contact KM _ B2 end of intermediate relay KM _ B, another way is connected with normally open contact one end of breaker QB _ B, another end of switch SB2_ B is connected with one end of intermediate relay KM _ B coil, another end of first normally open contact KM _ B1 of intermediate relay KM _ B is connected with one end of intermediate relay KM _ B coil, another end of second normally open contact KM _ B2 of intermediate relay KM _ B is connected with one end of breaker QB coil, the other end of a normally open contact of a breaker QB _ B is connected with one end of an indicator light L _ B, the other end of a coil of an intermediate relay KM _ B is connected with one end of a second normally open contact JC12 of a relay JC1, and the other end of the second normally open contact JC12 of the relay JC1, the other end of the coil of the QB _ B and the other end of the indicator light L _ B are connected with a zero line end N;
the C-phase control circuit 113 comprises an intermediate relay KM _ C, a switch SB1_ C, a switch SB2_ C, a breaker QB _ C, an indicator lamp L _ C and a relay JC1, one end of the switch SB1_ C is connected with a phase C line L to be detected, one end of the other end of the switch SB2_ C is connected with one end of the switch SB2_ C, one end of the switch SB is connected with one end of a first normally-open contact KM _ C1 of the intermediate relay KM _ C, one end of the switch SB is connected with one end of a second normally-open contact KM _ C2 of the intermediate relay KM _ C, the other end of the switch SB2_ C is connected with one end of a coil of the intermediate relay KM _ C, the other end of the first normally-open contact KM _ C1 of the intermediate relay KM _ C is connected with one end of the coil of the intermediate relay KM _ C, the other end of the second normally-open contact KM _ C2 of the intermediate relay KM _ C is connected with one end of the coil of the breaker QB _ C, the other end of a normally open contact of a breaker QB _ C is connected with one end of an indicator light L _ C, the other end of an intermediate relay KM _ C coil is connected with one end of a third normally open contact JC13 of a relay JC1, and the other end of the third normally open contact JC13 of the relay JC1, the other end of the coil of the QB _ C and the other end of the indicator light L _ C are connected with a zero line end N.
The phase selection module 11 breaker QB _ A, QB _ B, QB _ C adopts a 10kV vacuum breaker, a single-pole single-position structure is adopted, the arc extinguishing capacity is realized, the on-off current is 25A, a pair of auxiliary contacts are arranged, the indication lamp display is realized, the mechanism adopts a closing coil and opening spring mechanism, and the live closing and power loss opening are realized. When the switch of the relay JC1 or the switch of the relay JC2 is closed, the switch SB2_ A, SB2_ B, SB2_ C can be operated, namely, when the insulation megger functional module 131 or the high-voltage suppression module 133 works, the option module 11 can be operated. The switch SB1_ A, the switch SB1_ B and the switch SB1_ C can be directly operated and are not locked by any switches. The switch SB1_ A, the switch SB1_ B and the switch SB1_ C are all normally closed switches, and the switch SB2_ A, the switch SB2_ B and the switch SB2_ C are all normally open switches.
The function selection module 12 includes: a first selection circuit 121, configured to selectively control the insulating megger function module 131, where the first selection circuit 121 includes a switch SB1_ JC1, a switch SB2_ JC1, a relay JC1, an intermediate relay KM _ a, an intermediate relay KM _ B, and an intermediate relay KM _ C, one end of the switch SB1_ JC1, one end of a third normally-open contact KM _ A3 of the intermediate relay KM _ a, one end of a third normally-open contact KM _ B3 of the intermediate relay KM _ B, one end of a third normally-open contact KM _ C3 of the intermediate relay KM _ C, and one end of a fourth JC contact 14 of the relay JC1 are all connected to the phase line L to be tested selected by the option module 11, one other end of the switch SB 8 _ JC1 is connected to one end of the switch SB2_ JC1, one end of a fifth normally-open contact JC15 of the relay JC1 is connected to the other end of the switch SB1, one end of a fifth normally open contact JC15 of the other path of connecting relay JC1 is connected, one path of the other end of a third normally open contact KM _ B3 of the intermediate relay KM _ B is connected with one end of a switch SB2_ JC1, one end of a fifth normally open contact JC15 of the other path of connecting relay JC1 is connected, one path of the other end of a third normally open contact KM _ C3 of the intermediate relay KM _ C is connected with one end of a switch SB2_ JC1, the other path of connecting relay JC1 is connected with one end of a fifth normally open contact JC15, the other end of a switch SB2_ JC1 and the other end of a fifth normally open contact 15 of a relay JC1 are connected with one end of a coil of a relay JC1, one path of the other end of the coil of the relay JC1 is connected with one end of a first normally closed contact KM _ A5 of the intermediate relay KM _ A, the other path of connecting relay JC1 is connected with a first normally open contact KM _ A5 and a first normally open contact KM _ B5, the other end of a first normally closed contact KM _ B5 of an intermediate relay KM _ B is connected with one end of a first normally closed contact KM _ C5 of an intermediate relay KM _ C, the other end of a fourth normally open contact JC4 of a relay JC1 is connected with one end of an indicator lamp L _ JC1, and the other end of the first normally closed contact KM _ C5 of the intermediate relay KM _ C, the other end of a sixth normally open contact JC16 of a relay JC1 and the other end of the indicator lamp L _ JC1 are connected with a zero line end N;
and the second selection circuit is used for selectively controlling the high-voltage measurement module 132, and comprises a switch JC3, one end of the switch JC3 is connected with the phase line end L to be tested selected by the option module 1, and the other end of the switch JC3 is connected with the input end of the high-voltage measurement module 132.
The function selection module 12 is realized by a relay, is resistant to voltage of 20kV, does not have arc extinguishing capacity, and has abundant auxiliary contacts. When the switch SB2_ JC1 is activated first, the activation is valid, that is, the function selection is performed first, and then the phase selection operation is performed. When the phase selection operation is performed first, KM _ A, KM _ B or KM _ C will be gated off, and the function selection action is invalid. Namely, after a plurality of functional modules are selected through the functional selection module, the phase line to be tested is selected through the option module. The switch SB1_ JC1 and the switch SB1_ JC2 are both normally closed switches, and the switch SB2_ JC1 and the switch SB2_ JC2 are both normally open switches.
The functional module 13 includes at least: an insulation megger function module 131 and a high voltage measurement module 132. Preferably, the function module 13 further includes a high voltage suppression module 133, and the high voltage suppression module 133 is configured to perform induced voltage suppression on the insulation megger function module 131. The insulating megger function module 131 comprises a megger 1311, the high-voltage suppression module 133 mainly comprises a capacitor C3, the size of the capacitor C3 can be 2 muf, the high-voltage measurement module 132 comprises a capacitor C1, a capacitor C2 and a voltmeter connected in parallel with the capacitor C2, the sizes of the capacitor C1 and the capacitor C2 can be 200 muf, and the measuring range of the voltmeter can correspond to the voltage of a line to be measured.
The function selecting module 12 further includes a third selecting circuit 122, the third selecting circuit 122 is configured to selectively control the high-voltage suppression module 133, the third selecting circuit 122 includes a switch SB1_ JC2, a switch SB2_ JC2, a relay JC2, an intermediate relay KM _ a, an intermediate relay KM _ B, an intermediate relay KM _ C, and an indicator light L _ JC2, one end of a first normally open contact JC21 of the relay JC2 is connected to the other end of the coil of the intermediate relay KM _ a, the other end of the first normally open contact is connected to the zero line terminal N, one end of a second normally open contact 22 of the relay JC2 is connected to the other end of the coil of the intermediate relay KM _ B, the other end of the second normally open contact JC 3524 is connected to the zero line terminal N, one end of a third normally open contact JC23 of the relay JC2 is connected to the other end of the coil of the intermediate relay KM _ C, the other end of the zero line terminal N, one end of the switch SB1_ JC2, one end of a fourth normally open contact KM _ a4 of the intermediate relay KM _ a, One end of a fourth normally open contact KM _ B4 of an intermediate relay KM _ B, one end of a fourth normally open contact KM _ C4 of the intermediate relay KM _ C and one end of a fourth normally open contact JC24 of a relay JC2 are connected with a phase line end L to be tested selected by the option module 1, one path of the other end of a switch SB1_ JC2 is connected with one end of a switch SB2_ JC2, the other path of the other end of the switch JC25 of a connecting relay JC2 is connected with one end of a switch SB2_ JC2, one path of the other end of the fourth normally open contact KM _ A4 of the intermediate relay KM _ A is connected with one end of a switch SB2_ JC2, the other path of the other end of a fifth normally open contact JC25 of a connecting relay JC2, the other path of the fourth contact KM _ B4 of the intermediate relay KM _ B is connected with one end of a switch SB2_ JC2, the other path of the other end of the fourth normally open contact KM _ C6342 of the intermediate relay JC 6324 is connected with one end of a switch SB 599 of a switch JC 599, one end of a fifth normally open contact JC25 of the other path of connecting relay JC2 is connected, the other end of a switch SB2_ JC2 and the other end of a fifth normally open contact JC25 of the relay JC2 are both connected with one end of a coil of the relay JC2, one path of the other end of the coil of the relay JC2 is connected with one end of a second normally closed contact KM _ A6 of the intermediate relay KM _ A, the other path of connecting relay JC2 is connected with one end of a sixth normally open contact JC26, the other end of the second normally closed contact KM _ A6 of the intermediate relay KM _ A is connected with one end of a second normally closed contact KM _ B6 of the intermediate relay KM _ B, the other end of the second normally closed contact KM _ B6 of the intermediate relay KM _ C is connected with one end of a second normally closed contact KM _ C6 of the intermediate relay KM _ C, the other end of a fourth normally open contact JC24 of the relay JC2 is connected with one end of an indicator lamp L _ JC2, the other end of the normally open contact KM _ C6, the normally closed contact KM _ C is connected with the other end of the relay 2, The other ends of the indicator lights L _ JC2 are connected with a zero line end N.
The ground protection module 22 includes: the switch-on ground protection circuit 221, the switch-on ground protection circuit 221 includes a switch SBH _ FES, an intermediate relay KMH _ FES, a travel switch XC _ FES, a ground knife H _ FES, a ground knife F _ FES, a switch-on indicator LH _ FES, one end of the switch SBH _ FES, one end of a first normally open contact KMH _ FES1 of the intermediate relay KMH _ FES, one end of a second normally open contact KMH _ FES2 of the intermediate relay KMH _ FES, one end of a normally open contact KMH _ FES of the ground knife is connected with a phase line end L to be tested, the other end of the switch SBH _ FES, the other end of a first normally open contact KMH _ FES1 of the intermediate relay KMH _ FES are connected with one end of a coil of the intermediate relay KMH _ FES, the other end of the coil KMH _ FES is connected with one end of the first normally closed contact XC _ FES1 of the travel switch XC _ FES, the other end of the normally closed contact KMH _ FES is connected with a normally closed contact KMH _ FES1 of the ground knife, and the other end of the KMH _ FES is connected with a second normally closed contact 2 of the intermediate relay KMH _ FES, the other end of the normally open contact of the ground knife H _ FES is connected with one end of a closing indicator lamp LH _ FES, and the other end of the normally closed contact of the ground knife F _ FES, the other end of the coil of the ground knife H _ FES and the other end of the closing indicator lamp LH _ FES are connected with a zero line end N;
the separating brake grounding protection circuit 222 comprises a switch SBF1_ FES, a switch SBF2_ FES, an intermediate relay KMF _ FES, a travel switch XC _ FES, a ground switch F _ FES, a ground switch H _ FES and a separating brake indicator LF _ FES, wherein one end of the switch SBF1_ FES, one end of a first normally open contact KMF _ FES 567 of the intermediate relay KMF _ FES, one end of a second normally open contact KMF _ FES2 of the intermediate relay KMF _ FES and one end of a normally open contact KMF _ FES of the ground switch are connected with a phase line terminal L to be tested, the other end of the switch SBF1_ FES is connected with one end of the switch SBF2_ FES, the other end of the switch SBF2_ FES, the other end of the first normally open contact KMF _ XC _ FES1 of the intermediate relay KMF _ FES, the other end of the coil KMF _ FES is connected with a second normally closed contact KMF _ XC _ FES2, and the other end of the travel switch XC _ FES is connected with a travel switch KMF _ FES2, the other end of a second normally open contact KMF _ FES2 of the intermediate relay KMF _ FES is connected with a ground knife F _ FES coil, the other end of the normally open contact of the ground knife F _ FES is connected with one end of a switching-off indicator lamp LF _ FES, and the other end of the normally closed contact of the ground knife H _ FES, the other end of the ground knife F _ FES coil and the other end of the switching-off indicator lamp LF _ FES are connected with a zero line end N.
The grounding protection module 22 is realized by adopting a quick grounding switch, and the grounding switch H _ FES and the grounding switch F _ FES are both quick grounding switches, withstand voltage is 20kV, segmented current is 25A, and obvious separation and combination points are provided, so that personal safety of testing personnel is ensured. The switch-on adopts a motor to drive an energy storage spring to act, the switch-off is the same, and the rapid action of the disconnecting link is realized through the energy storage of the spring. The switch-off indicating lamp and the switch-on indicating lamp can display through the pair of auxiliary contacts. The two switches SBF1_ FES and SBF2_ FES are selected as the opening switch, and the opening switch can be opened when the two opening switches SBF1_ FES and SBF2_ FES are operated simultaneously, so that misoperation is prevented.
The isolation module 21 includes: the closing isolation circuit 211 comprises a switch SBH _ GD, an intermediate relay KMH _ FES, a travel switch XC _ GD, an isolation knife H _ GD, an isolation knife F _ GD and a closing indicator LH _ GD, one end of the switch SBH _ GD, one end of a first normally open contact KMH _ GD1 of the intermediate relay KMH _ GD, one end of a second normally open contact KMH _ GD2 of the intermediate relay KMH _ GD and one end of a normally open contact of the isolation knife H _ GD are connected with a phase line L, the other end of the switch SBH _ GD, the other end of the first normally open contact KMH _ GD1 of the intermediate relay KMH _ GD are connected with one end of a coil of the intermediate relay KMH _ GD, the other end of the coil of the intermediate relay KMH _ XC is connected with one end of a first normally closed contact KMH _ GD1 of the travel switch XC, the other end of the first normally closed contact KMH _ GD1 of the travel switch XC _ GD 3 25 is connected with one end of a normally closed contact F _ FEH _ GD 38S The other end of the second normally open contact KMH _ GD2 of the intermediate relay KMH _ GD is connected with one end of a knife isolating H _ GD coil, the other end of the normally open contact KMH _ GD of the knife isolating H _ GD is connected with one end of a closing indicator lamp LH _ GD, and the other end of the third normally open contact KMH _ FES3 of the intermediate relay KMH _ FES, the other end of the knife isolating H _ GD coil and the other end of the closing indicator lamp LH _ GD are connected with a zero line end N;
the brake separating circuit 212 comprises a switch SBF _ GD, an intermediate relay KMF _ GD, an intermediate relay KMH _ FES, a travel switch XC _ GD, a knife separation H _ GD, a knife separation F _ GD and a brake separating indicator LF _ GD, one end of the switch SBF _ GD, one end of a first normally open contact KMF _ GD1 of the intermediate relay KMF _ GD, one end of a second normally open contact KMF _ GD2 of the intermediate relay KMF _ GD and one end of a normally open contact of the knife separation F _ GD are all connected with a phase line end, the other end of the switch SBF _ GD, the other end of the first normally open contact KMF _ GD1 of the intermediate relay KMF _ GD are all connected with one end of a coil KMF _ GD of the intermediate relay, the other end of the KMF _ GD coil is connected with one end of a normally closed contact KMF _ GD2 of the travel switch XC _ GD, the other end of the normally closed contact KMF _ GD2 of the travel switch XC _ GD is connected with one end of a normally closed contact KMF _ GD 3 of the knife separation H _ FEGD, the other end of the second normally open contact KMF _ GD2 of the intermediate relay KMF _ GD is connected with one end of the isolation knife F _ GD coil, the other end of the normally open contact of the isolation knife F _ GD is connected with one end of the brake-separating indicator lamp LF _ GD, and the other end of the third normally open contact KMH _ FES3 of the intermediate relay KMH _ FES, the other end of the isolation knife F _ GD coil and the other end of the brake-separating indicator lamp LF _ GD are connected with a zero line end N.
The isolation module is realized by adopting a slow-speed isolating knife, namely, the isolating knives H _ GD and F _ GD are both slow-speed isolating knives, a motor is used for controlling the opening and closing, and when the switch of the grounding protection module 22 is closed, the isolation module 21 can be operated.
The invention effectively realizes the isolation between the line to be tested and the test equipment and the test personnel, does not need personnel to change the line in the process of measuring and verifying the phase of the insulation resistance, effectively shortens the test time of the line parameter test and improves the safety of the test.
According to the invention, the high-voltage suppression module is introduced to suppress the induced voltage in the test process, so that the safety of the test is further improved.
According to the invention, the grounding protection module is introduced to directly ground the line to be tested, so that the test line can be conveniently replaced or the safety of other devices can be conveniently ensured, two switches are selected from the brake-separating grounding protection circuit, and the brake separation can be realized when the two switches are operated simultaneously, so that the misoperation is prevented, and the safety of the test is further improved.
Example two
As shown in fig. 6, the present invention further provides an integrated testing method for integrated circuit parameter insulation, which is implemented by an integrated testing apparatus for integrated circuit parameter insulation according to an embodiment of the present invention, and the method includes:
s1, sequentially closing the first switch group, the second switch group and the third switch, disconnecting the first switch group, and measuring the induced voltage of the phase line to be measured; and/or the presence of a gas in the gas,
s2, sequentially closing the first switch group, the second switch group and the fourth switch group, disconnecting the first switch group, and carrying out shaking insulation and nuclear phase test on the phase line circuit to be tested; and/or the presence of a gas in the gas,
and S3, sequentially closing the first switch group and the fifth switch group, disconnecting the first switch group, and measuring the parameters of the phase line to be measured.
Wherein the first switch group comprises switch SBH _ FES, switch SBF1_ FES, switch SBF2_ FES, and/or the second switch group comprises switch SB2_ a, switch SB2_ B, switch SB2_ C, switch SB2_ JC1, switch SB2_ JC2, and/or the third switch is switch JC3, and/or the fourth switch group comprises relay JC1, relay JC2, said fifth switch group comprises switch SBH _ GD, switch SBF _ GD.
It should be noted that, in the embodiment of the present invention, after selecting a plurality of function modules through the function selection module, the phase line to be tested is selected through the option module.
The invention effectively realizes the isolation between the line to be tested and the test equipment and the test personnel, does not need personnel to change the line in the process of measuring and verifying the phase of the insulation resistance, effectively shortens the test time of the line parameter test and improves the safety of the test.
According to the invention, the high-voltage suppression module is introduced to suppress the induced voltage in the test process, so that the safety of the test is further improved.
According to the invention, the grounding protection module is introduced to directly ground the line to be tested, so that the test line can be conveniently replaced or the safety of other devices can be conveniently ensured, two switches are selected from the brake-separating grounding protection circuit, and the brake separation can be realized when the two switches are operated simultaneously, so that the misoperation is prevented, and the safety of the test is further improved.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (9)

1. The utility model provides an insulating integrated testing arrangement of set formula circuit parameter which characterized by includes:
the insulation measuring unit comprises a phase selection module, a function selection module and a plurality of function modules, wherein the phase selection module is connected with the three-phase line to be measured and is used for selecting the three-phase line to be measured;
the isolation grounding protection unit comprises an isolation module and a grounding protection module, and the input ends of the isolation module and the grounding protection module are connected with the three-phase line to be tested; wherein, the ground protection module includes:
the switch-on grounding protection circuit comprises a switch SBH _ FES, an intermediate relay KMH _ FES, a travel switch XC _ FES, a ground knife H _ FES, a ground knife F _ FES and a switch-on indicator LH _ FES, wherein one end of the switch SBH _ FES, one end of a first normally open contact of the intermediate relay KMH _ FES, one end of a second normally open contact of the intermediate relay KMH _ FES and one end of a normally open contact of the ground knife H _ FES are connected with a phase line end to be tested, the other end of the switch SBH _ FES and the other end of the first normally open contact of the intermediate relay KMH _ FES are connected with one end of a coil of the intermediate relay KMH _ FES, the other end of the coil of the intermediate relay KMH _ FES is connected with one end of the first XC normally closed contact of the travel switch FES, the other end of the normally closed first normally closed contact of the travel switch XC _ FES is connected with one end of the normally closed contact of the ground knife F _ FES, and the other end of the normally open contact of the second normally open contact of the intermediate KMH _ FES is connected with a coil of the ground knife H _ FES, the other end of the normally open contact of the ground knife H _ FES is connected with one end of a closing indicator lamp LH _ FES, and the other end of the normally closed contact of the ground knife F _ FES, the other end of the coil of the ground knife H _ FES and the other end of the closing indicator lamp LH _ FES are connected with a zero line end;
the brake separating ground protection circuit comprises a switch SBF1_ FES, a switch SBF2_ FES, an intermediate relay KMF _ FES, a travel switch XC _ FES, a ground knife F _ FES, a ground knife H _ FES and a brake separating indicator LF _ FES, wherein one end of the switch SBF1_ FES, one end of a first normally open contact of the intermediate relay KMF _ FES, one end of a second normally open contact of the intermediate relay KMF _ FES and one end of a normally open contact of the ground knife F _ FES are connected with a phase line end to be tested, the other end of the switch SBF1_ FES is connected with one end of the switch SBF2_ FES, the other end of the switch SBF2_ FES and the other end of the first normally open contact of the intermediate relay KMF _ FES are connected with one end of a coil of the intermediate relay KMF _ FES, the other end of the coil of the intermediate relay KMF _ FES is connected with one end of a second normally closed contact of the travel switch XC _ FES, and the other end of the normally closed contact of the travel switch XC _ FES is connected with one end of the ground knife, the other end of a second normally open contact of the intermediate relay KMF _ FES is connected with a grounding knife F _ FES coil, the other end of the normally open contact of the grounding knife F _ FES is connected with one end of a switching-off indicator lamp LF _ FES, and the other end of the normally closed contact of the grounding knife H _ FES, the other end of the F _ FES coil of the grounding knife and the other end of the switching-off indicator lamp LF _ FES are connected with a zero line end;
and the input end of the line parameter testing equipment is connected with the output end of the isolation module.
2. The integrated testing device for line parameter insulation of claim 1, wherein the plurality of functional modules at least comprises: the device comprises an insulation megger function module and a high-voltage measurement module.
3. The integrated testing device for line parameter insulation of claim 2, wherein the phase selection module comprises:
the A-phase control circuit comprises an intermediate relay KM _ A, a switch SB1_ A, a switch SB2_ A, a breaker QB _ A, an indicator lamp L _ A and a relay JC1, wherein one end of the switch SB1_ A is connected with the phase A line to be detected, the other end of the switch SB1_ A is connected with one end of the switch SB2_ A all the way, one way is connected with one end of a first normally open contact of the intermediate relay KM _ A, one way is connected with one end of a second normally open contact of the intermediate relay KM _ A, the other way is connected with one end of a normally open contact of the breaker QB _ A, the other end of the switch SB2_ A is connected with one end of a coil of the intermediate relay KM _ A, the other end of the first normally open contact of the intermediate relay KM _ A is connected with one end of the coil of the intermediate relay KM _ A, the other end of the second normally open contact of the intermediate relay KM _ A is connected with one end of the coil of the breaker QB _ A, and the other end of the normally open contact of the indicator lamp L _ A is connected with one end of the indicator lamp L _ A, the other end of the coil of the intermediate relay KM _ A is connected with one end of a first normally open contact of a relay JC1, and the other end of the first normally open contact of the relay JC1, the other end of the coil of the QB _ A and the other end of the indicator light L _ A are connected with a zero line end;
b-phase control circuit, B-phase control circuit includes intermediate relay KM _ B, switch SB1_ B, switch SB2_ B, breaker QB _ B, pilot lamp L _ B, relay JC1, switch SB1_ B one end is connected with the B-phase circuit to be measured, the other end is connected with one end of switch SB2_ B all the way, all the way is connected with first normally open contact one end of intermediate relay KM _ B, all the way is connected with second normally open contact one end of intermediate relay KM _ B, another way is connected with normally open contact one end of breaker QB, the other end of switch SB2_ B is connected with one end of intermediate relay KM _ B coil, the first normally open contact other end of intermediate relay KM _ B is connected with one end of intermediate relay KM _ B coil, the second normally open contact other end of intermediate relay KM _ B is connected with one end of breaker QB coil, the normally open contact other end of breaker QB is connected with one end of pilot lamp L _ B, the other end of the coil of the intermediate relay KM _ B is connected with one end of a second normally open contact of a relay JC1, and the other end of the second normally open contact of the relay JC1, the other end of the coil of the QB _ B and the other end of the indicator light L _ B are connected with a zero line end;
c-phase control circuit, the C-phase control circuit includes intermediate relay KM _ C, switch SB1_ C, switch SB2_ C, breaker QB _ C, pilot lamp L _ C, relay JC1, switch SB1_ C one end is connected with the C-phase circuit to be tested, the other end is connected with one end of switch SB2_ C all the way, all the way is connected with first normally open contact one end of intermediate relay KM _ C, all the way is connected with second normally open contact one end of intermediate relay KM _ C, the other way is connected with normally open contact one end of breaker QB _ C, the other end of switch SB2_ C is connected with one end of intermediate relay KM _ C coil, the first normally open contact other end of intermediate relay KM _ C is connected with one end of intermediate relay KM _ C coil, the second normally open contact other end of intermediate relay KM _ C is connected with one end of breaker QB _ C coil, the normally open contact other end of breaker QB _ C is connected with one end of pilot lamp L _ C, the other end of the coil of the intermediate relay KM _ C is connected with one end of a third normally open contact of a relay JC1, and the other end of the third normally open contact of the relay JC1, the other end of the coil of the QB _ C and the other end of the indicator light L _ C are connected with a zero line end.
4. The integrated testing device for line parameter insulation of claim 3, wherein the function selection module comprises:
a first selection circuit used for selectively controlling the insulating megger function module, wherein the first selection circuit comprises a switch SB1_ JC1, a switch SB2_ JC1, a relay JC1, an intermediate relay KM _ A, an intermediate relay KM _ B and an intermediate relay KM _ C, one end of a switch SB1_ JC1, one end of a third normally open contact of the intermediate relay KM _ A, one end of a third normally open contact of the intermediate relay KM _ B, one end of a third normally open contact of the intermediate relay KM _ C and one end of a fourth normally open contact of a relay JC1 are all connected with a phase line end to be tested selected by an option module, one path of the other ends of the switch SB1_ 1 is connected with one end of a switch SB2_ JC1, the other path is connected with one end of a fifth normally open contact of a relay JC1, the other end of the third normally open contact of the intermediate relay KM _ A is connected with one end of a switch SB2_ JC1, the other end of a fifth normally open contact of a connection relay JC1 is connected with one end of a switch SB 387, one path of the other end of a third normally open contact of the intermediate relay KM _ B is connected with one end of a switch SB2_ JC1, the other path of the other end of the third normally open contact of the intermediate relay KM _ C is connected with one end of a fifth normally open contact of a relay JC1, one path of the other end of the third normally open contact of the intermediate relay KM _ C is connected with one end of a switch SB2_ JC1, the other path of the other end of the fifth normally open contact of the relay JC1 is connected with one end of a coil of a relay JC1, one path of the other end of the coil of the relay JC1 is connected with one end of a first normally closed contact of the intermediate relay KM _ A, one end of a sixth normally open contact of a further connection relay JC1, the other end of the first normally closed contact of the intermediate relay KM _ A is connected with one end of a first normally closed contact of the intermediate relay KM _ B, the other end of the first normally closed contact of the intermediate relay KM _ B is connected with one end of a first normally closed contact of the intermediate relay KM _ C, the other end of a fourth normally-open contact of the relay JC1 is connected with one end of an indicator lamp L _ JC1, and the other end of a first normally-closed contact of the intermediate relay KM _ C, the other end of a sixth normally-open contact of the relay JC1 and the other end of the indicator lamp L _ JC1 are connected with a zero line end;
and the second selection circuit is used for selectively controlling the high-voltage measurement module and comprises a switch JC3, one end of the switch JC3 is connected with the phase line end to be tested selected by the option module, and the other end of the switch JC3 is connected with the input end of the high-voltage measurement module.
5. The integrated testing device for line parameter insulation of claim 4, wherein the plurality of functional modules further comprises a high voltage suppression module, and the high voltage suppression module is used for suppressing the induction voltage of the insulating megger functional module.
6. The integrated testing device for parameter insulation of collective line according to claim 5, wherein the function selecting module further comprises a third selecting circuit for selectively controlling the high voltage suppressing module, the third selecting circuit comprises a switch SB1_ JC2, a switch SB2_ JC2, a relay JC2, an intermediate relay KM _ A, an intermediate relay KM _ B and an intermediate relay KM _ C, one end of a first normally open contact of the relay JC2 is connected with the other end of the coil of the intermediate relay KM _ A, the other end of the first normally open contact is connected with a zero line end, one end of a second normally open contact of the relay JC2 is connected with the other end of the coil of the intermediate relay KM _ B, the other end of the second normally open contact is connected with the other end of the coil of the intermediate relay KM _ C, the other end of the third normally open contact of the relay JC2 is connected with the zero line end, and one end of the first end of the switch SB1_ JC2 is connected with the zero line end, One end of a fourth normally open contact of the intermediate relay KM _ A, one end of a fourth normally open contact of the intermediate relay KM _ B, one end of a fourth normally open contact of the intermediate relay KM _ C and one end of a fourth normally open contact of the relay JC2 are connected with a phase line end to be tested selected by the option module, one path of the other end of the switch SB1_ JC2 is connected with one end of a switch SB2_ JC2, the other path of the other end of the switch JC2 is connected with one end of a fifth normally open contact of the relay JC2, one path of the other end of the fourth normally open contact of the intermediate relay KM _ A is connected with one end of a switch SB2_ JC2, the other path of the other end of the fifth normally open contact of the intermediate relay KM _ B is connected with one end of a switch SB2_ JC2, the other path of the other end of the fourth normally open contact of the intermediate relay JC2 is connected with one end of the fifth normally open contact of the intermediate relay KM _ C, the other path of the fourth normally open contact of the intermediate relay KM _ C is connected with one end of the switch SB2_ JC2, one end of a fifth normally open contact of the other path of the connecting relay JC2 is connected, the other end of the switch SB2_ JC2 and the other end of the fifth normally open contact of the relay JC2 are both connected with one end of a coil of the relay JC2, one path of the other end of the coil of the relay JC2 is connected with one end of a second normally closed contact of an intermediate relay KM _ A, the other path of the coil is connected with one end of a sixth normally open contact of a relay JC2, the other end of the second normally closed contact of the intermediate relay KM _ A is connected with one end of a second normally closed contact of an intermediate relay KM _ B, the other end of the second normally closed contact of the intermediate relay KM _ B is connected with one end of a second normally closed contact of an intermediate relay KM _ C, the other end of the fourth normally open contact of the relay JC2 is connected with one end of an indicator lamp L _ JC2, the other end of the second normally closed contact of the intermediate relay KM _ C, the other end of the sixth normally open contact of the relay JC2 and the other end of the indicator lamp L _ JC2 are connected with a zero line end.
7. The integrated testing device for line parameter insulation of claim 1, wherein the isolation module comprises:
the switching-on isolation circuit comprises a switch SBH _ GD, an intermediate relay KMH _ FES, a travel switch XC _ GD, a knife separation H _ GD, a knife separation F _ GD and a switching-on indicator LH _ GD, wherein one end of the switch SBH _ GD, one end of a first normally-open contact of the intermediate relay KMH _ GD, one end of a second normally-open contact of the intermediate relay KMH _ GD and one end of a normally-open contact of the knife separation H _ GD are connected with a phase line end, the other end of the switch SBH _ GD and the other end of the first normally-open contact of the intermediate relay KMH _ GD are connected with one end of a coil of the intermediate relay KMH _ GD, the other end of the coil of the intermediate relay KMH _ GD is connected with one end of a first normally-closed contact of the travel switch XC _ GD, the other end of the first normally-closed contact of the travel switch XC _ GD is connected with one end of a normally-closed contact of the knife separation F _ GD, and the other end of the normally-closed contact of the normally-open contact of the knife separation F _ GD is connected with one end of a third normally-open contact of the intermediate relay KMH _ FES, the other end of the second normally open contact of the intermediate relay KMH _ GD is connected with one end of the knife isolating H _ GD coil, the other end of the normally open contact of the knife isolating H _ GD is connected with one end of a closing indicator lamp LH _ GD, and the other end of the third normally open contact of the intermediate relay KMH _ FES, the other end of the knife isolating H _ GD coil and the other end of the closing indicator lamp LH _ GD are connected with a zero line end;
the brake separating and isolating circuit comprises a switch SBF _ GD, an intermediate relay KMF _ GD, an intermediate relay KMH _ FES, a travel switch XC _ GD, an isolation knife H _ GD, an isolation knife F _ GD and a brake separating indicator LF _ GD, wherein the isolation knife H _ GD belongs to a closing isolating circuit, one end of the switch SBF _ GD, one end of a first normally open contact of the intermediate relay KMF _ GD, one end of a second normally open contact of the intermediate relay KMF _ GD and one end of a normally open contact of the isolation knife F _ GD are connected with a phase line end, the other end of the switch SBF _ GD and the other end of the first normally open contact of the intermediate relay KMF _ GD are connected with one end of a coil of the intermediate relay KMF _ GD, the other end of the coil of the KMF _ GD is connected with one end of a second normally closed contact of the travel switch XC _ GD, the other end of the normally closed contact of the travel switch XC _ GD is connected with one end of the isolation knife H _ GD, the other end of the normally closed contact of the isolation knife H _ GD is connected with one end of a normally open contact of a third intermediate relay KMH _ FES, the other end of the normally open contact of the second intermediate relay KMF _ GD is connected with one end of an isolation knife F _ GD coil, the other end of the normally open contact of the isolation knife F _ GD is connected with one end of a brake separating indicator lamp LF _ GD, and the other end of the normally open contact of the third intermediate relay KMH _ FES, the other end of the isolation knife F _ GD coil and the other end of the brake separating indicator lamp LF _ GD are connected with a zero line end.
8. An integrated testing method for integrated circuit parameter insulation, which is implemented by the integrated testing device for integrated circuit parameter insulation according to any one of claims 1-7, and comprises:
sequentially closing the first switch group, the second switch group and the third switch, disconnecting the first switch group and measuring the induced voltage of the phase line to be measured; and/or the presence of a gas in the gas,
sequentially closing the first switch group, the second switch group and the fourth switch group, disconnecting the first switch group, and performing shaking insulation and nuclear phase test on the phase line circuit to be tested; and/or the presence of a gas in the gas,
and closing the first switch group and the fifth switch group in sequence, disconnecting the first switch group and measuring the parameters of the phase line to be measured.
9. The integrated line parameter insulation testing method of claim 8, wherein the first switch group comprises switch SBH _ FES, switch SBF1_ FES, switch SBF2_ FES, and/or the second switch group comprises switch SB2_ a, switch SB2_ B, switch SB2_ C, switch SB2_ JC1, switch SB2_ JC2, and/or the third switch is switch JC3, and/or the fourth switch group comprises relay JC1, relay JC2, and the fifth switch group comprises switch SBH _ GD, switch SBF _ GD.
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