Integrated testing device and method for integrated circuit parameter insulation

文档序号:1533834 发布日期:2020-02-14 浏览:8次 中文

阅读说明:本技术 一种集合式线路参数绝缘一体化测试装置及方法 (Integrated testing device and method for integrated circuit parameter insulation ) 是由 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 于 2019-11-11 设计创作,主要内容包括:本发明提出了一种集合式线路参数绝缘一体化测试装置,包括:绝缘测量单元,所述绝缘测量单元的输入端与待测三相线路连接,所述绝缘测量单元包括选相模块、功能选择模块、若干功能模块,隔离接地保护单元,所述隔离接地保护单元包括隔离模块以及接地保护模块,所述隔离模块以及接地保护模块的输入端均与待测三相线路连接;线路参数测试设备,所述线路参数测试设备的输入端与隔离模块的输出端连接,本发明还提出了一种集合式线路参数绝缘一体化测试方法,有效的实现了对待测线路与试验设备、试验人员之间的隔离,在绝缘电阻测量、核实相位过程中无需人员进行换线,有效的缩短了线路参数测试的试验时间,提高了测试试验的安全性。(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.)

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 used for selecting the three-phase line to be measured, the input end of the function selection module is connected with the output end of the phase selection module and used for selecting the function modules, and the input ends of the function modules are connected with the output end of the function selection module;

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.

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 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 the relay JC1 are all connected with a phase terminal to be tested selected by an option module, one path of the other end 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 the relay JC1, one path of 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, 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 _, 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 circuit parameter testing device of claim 5, wherein 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 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 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 a coil of the intermediate relay KM _ B, the other end of the second normally open contact is connected with the other end of a 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 switch SB, 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, 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 grounding protection module comprises:

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 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 _ FE, 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.

8. The integrated testing device for line parameter insulation of claim 7, wherein said 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, 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, 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.

9. 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 1-8, 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.

10. The integrated line parameter insulation testing method of claim 9, 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.

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:

the insulation measuring unit, insulation measuring unit's input and the three-phase line connection that awaits measuring, insulation 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, the input of function selection module is connected with the output of phase selection module, is used for selecting a plurality of functional module, and the input of a plurality of functional module is connected with the output of function selection module.

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 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 path of the other end 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 the relay JC1, one path of 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, 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 _, 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 selecting module further includes a third selecting circuit, the third selecting circuit is used for selectively controlling the high-voltage suppression module, the third selecting circuit 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 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 the 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 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, 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 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 _ FE, 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, 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, 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.

19页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:一种电动大巴空调绝缘电阻的检测方法、系统及存储介质

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!