CN112230106A - Detection device and method for switch external local switching-on/off controller - Google Patents
Detection device and method for switch external local switching-on/off controller Download PDFInfo
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- CN112230106A CN112230106A CN202011021729.9A CN202011021729A CN112230106A CN 112230106 A CN112230106 A CN 112230106A CN 202011021729 A CN202011021729 A CN 202011021729A CN 112230106 A CN112230106 A CN 112230106A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The invention belongs to the technical field of electricity, and particularly relates to a detection device and a detection method for a switch external local on-off controller. After the change-over switch rotates to a stop, the insulation test module and the insulation/function test conversion module are used for testing respectively according to the test items, and the condition of the judging lamp is used for judging the fault of the opening loop of the opening and closing controller. The method and the device enable the detection of the controller to be simple and easy from complexity, solve the problem that a controller plug is not easy to connect with a megger wiring terminal when the insulation resistance is measured, and save a large amount of test time.
Description
Technical Field
The invention belongs to the technical field of electricity, and particularly relates to a detection device and a detection method for a switch external local on-off controller.
Background
The switch has two types of on-site switching on and off, one is designed on the switch body, and the other is designed by needing an external switching on and off controller. In the latter case, it is equivalent to introducing an external circuit in the system. If the used opening and closing controller has insulation defects or functional defects, the mistaken opening and closing of the switch can be caused, so that the mistaken power transmission or the mistaken power outage of the downstream load can be caused, and a large risk is brought to equipment and people. Aiming at the detection of an external local on-off switching controller, no related special detection device exists at present, a megger and a multimeter are required to be used for independent test, and the problems exist as follows:
1. during insulation test, because the contact pin of the plug is recessed into the shell, the situation that measurement cannot be carried out exists, the megger wiring terminal cannot be in full contact with the contact pin, insulation test can be realized by means of a plug conductive material (such as a lead wire, tin foil paper and the like), at least two persons are needed to be matched, time is wasted, the conductive material and the megger wiring terminal cannot be fixed and are easy to fall off, positive and negative short circuits of the megger are easy to cause during measurement, and a person is easy to get an electric shock;
2. the function test needs at least three people to cooperate, measures the exactness of divide-shut brake function with the help of the universal meter, has the easy measuring error, measures inaccurate, takes time scheduling problem.
Disclosure of Invention
The invention relates to a detection device and a detection method for a switch external local on-off controller, which can realize the function detection of the controller and conveniently realize the insulation test.
The technical scheme of the invention is as follows:
the external on-site switching-on/off controller detection device for the switch comprises an interface module, an insulation/function conversion module, an insulation test module and a function test module, wherein the interface module adopts an aviation plug to connect a switching-on/off controller loop to the interface module, connects the switching-on/off controller loop to the insulation/function conversion module through the interface module, and connects the loop to the insulation test module or the function test module through the insulation/function conversion module;
the interface module prevents the switching-on/off controller from falling off; the switching-on and switching-off controller loop is connected to a terminal block 001BN in the interface module through an aviation plug;
the insulation/function conversion module realizes the selective conversion between the insulation test and the function test;
the insulation test module comprises a terminal bar 002BN and insulation test wiring terminals; the circuit of the switching-on/off controller is connected to an insulation test wiring terminal by a terminal bank 002BN and an insulation/function conversion module;
the function test module comprises a universal change-over switch SA2, a terminal row 003BN, a terminal row 004BN, a closing indicator lamp L1, a separating indicator lamp L2, diodes L3 and L4 and current-limiting resistors R1 and R2, and the universal change-over switch SA2 is used for realizing the selection and the conversion between the self-checking and the function test of the device; the diode L3 and the current-limiting resistor R1 are connected in series with the closing indicator lamp L1; the diode L4, the current-limiting resistor R2 and the opening indicator lamp L2 are connected in series; the two circuits are connected in parallel after being connected in series; the series circuit is connected with the corresponding interface of the terminal bank 004 BN;
when insulation resistance measurement is carried out, the insulation/function conversion module transmits voltage signals of insulation measurement to the interface module, and the interface module continuously transmits the signals to the switching-on/off controller; when the function test is carried out, the insulation/function conversion module transmits a voltage signal of the function test to the interface module, the interface module continuously transmits the signal to the switching-on/off controller, and receives the voltage signal transmitted back by the switching-on/off controller and the interface module; the insulation testing module transmits a voltage signal of the external megger to the insulation/function conversion module; the function test module transmits the voltage signal of the function test to the insulation/function conversion module and receives the voltage signal transmitted back by the insulation/function conversion module.
And the S1:1 terminal and the S1:2 terminal in the terminal row 003BN are conducted after the insulation/function conversion module selects the function test file. When self-checking is carried out, the diode L3 and the diode L4 in the functional test module are in short circuit through W:1, W:2 and W:3 terminals in the terminal row 004BN, the universal change-over switch SA2 and the terminal row 003BN, power supply voltage is applied to the indicator lamp L1 and the indicator lamp L2 after passing through the current-limiting resistor, and the two indicator lamps are fully on. When the switching-on and switching-off controller is subjected to function test, a switching-on button on the switching-on and switching-off controller is pressed, and a diode L3 in a function test module passes through W1:1 and W:2, the terminal is in short circuit, the power supply voltage is applied to a closing indicator lamp L1 through a current-limiting resistor, and the closing indicator lamp L1 is on; when the opening button on the opening and closing controller is pressed, the diode L4 in the function test module passes through W1:1 and W: the 3 terminal is short-circuited, the power supply voltage is applied to the L2 through the current limiting resistor, and the brake-off indicator lamp L2 is lightened.
The interface module adopts an aviation plug and is provided with a locking buckle.
The insulation/function conversion module is a universal conversion switch SA 1.
The insulation test module is provided with an insulation test wiring terminal A and a wiring terminal B, the insulation test wiring terminal A and the wiring terminal B are connected with an external insulation test instrument for use, the wiring terminal A and the wiring terminal B are insulated from a device shell, and the wiring terminal B is connected with a cable shield.
A detection method for a switch external local on-off and switching-on controller is based on a detection device for the switch external local on-off and switching-on controller and comprises the following steps:
and 4, rotating the universal change-over switch in the insulation/function test change-over module to an insulation test function.
If the indicating lamp is not on in the step 7, indicating that the indicating lamp of the function test loop of the detection device has a fault or the power supply has insufficient electric quantity, rotating the universal change-over switch in the insulation/function conversion module and the function test module to a stop gear, and restarting execution from the step 6 after checking and processing the fault that the indicating lamp is not on; if the indicator light is fully on, the function test loop of the detection device is not abnormal, and the step 8 is continuously executed.
The invention has the following remarkable effects:
1. the invention discloses a detection device for a switch external local on-off controller, which fills the blank of a detection device special for the on-off controller and enables the detection of the controller to be simple and easy from complexity;
2. a detection method and circuit for a switch external local switching on/off controller are provided;
3. the problem that a controller plug is not easy to connect with a wiring terminal of a megohmmeter when the insulation resistance is measured is solved;
4. the problem that the positive and negative connection wires of the megohmmeter are easy to short circuit when the insulation resistance of the controller is measured is solved;
5. the problems that the control function test is not easy to wire and make mistakes easily are solved;
6. the number of insulation performance testing and function testing personnel is reduced, and 1 person can complete the insulation performance testing and function testing;
7. the insulation performance test and the function test of the controller are greatly facilitated, and a large amount of test time is saved;
8. the safety of testing personnel is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a detection device of a switch external local switching on/off controller;
FIG. 2 is a flow chart of the detection of the switch external local switching on/off controller;
in the figure: 1. an interface module; 2. an insulation/function test conversion module; 3. an insulation test module; 4. and a function testing module.
Detailed Description
The invention is further illustrated by the accompanying drawings and the detailed description.
As shown in fig. 1, the detection device includes an interface module 1 connected to the switching controller, an insulation/function conversion module 2 connected to the interface module 1, and an insulation test module 3 and a function test module 4 connected to the insulation/function conversion module 2, where the interface module 1 connects the switching controller circuit to the interface module 1 by using an aviation plug, connects the switching controller circuit to the insulation/function conversion module 2 through the interface module 1, and connects the circuit to the insulation test module 3 or the function test module 4 through the insulation/function conversion module 2.
The interface module 1 is provided with a locking buckle to prevent the opening and closing controller from falling off; the switching controller loop is connected to the terminal block 001BN in the interface module 1 through an aviation plug.
The insulation/function switching module 2 is a universal switch SA1, and is used to selectively switch between insulation test and function test.
The insulation test module 3 comprises a terminal bar 002BN connected with the insulation/function conversion module 2, an insulation test wiring terminal A and a wiring terminal B; the switch-on/off controller loop is connected to the insulation test wiring terminal by the terminal bank 002BN and the insulation/function conversion module 2; the insulation test wiring terminal A and the wiring terminal B can be connected with an external insulation test instrument for use, the wiring terminal A and the wiring terminal B are insulated from a device shell, and the wiring terminal B is connected with a cable shield.
The function test module 4 comprises a universal change-over switch SA2, a terminal row 003BN connected with the insulation/function change-over module 2, a terminal row 004BN, a closing indicator lamp L1, a switching-off indicator lamp L2, diodes L3 and L4 and current-limiting resistors R1 and R2, and the universal change-over switch SA2 realizes the selection and the change-over between the self-checking of the device and the function test.
The diode L3 and the current-limiting resistor R1 are connected in series with the closing indicator lamp L1;
the diode L4, the current-limiting resistor R2 and the opening indicator lamp L2 are connected in series;
the two circuits are connected in parallel after being connected in series;
the series circuit is connected with the corresponding interface of the terminal bank 004 BN;
when the function test is performed, the S1:1 terminal and the S1:2 terminal in the terminal row 003BN are turned on after the function test file is selected by the insulation/function conversion module 2. When self-checking is carried out, the diode L3 and the diode L4 in the functional test module 4 are in short circuit through the terminals W:1, W:2 and W:3 in the terminal row 004BN, the universal change-over switch SA2 and the terminal row 003BN, power supply voltage is applied to the indicator lamp L1 and the indicator lamp L2 after passing through the current-limiting resistor, and the two indicator lamps are fully on. When the switching-on and switching-off controller is in function test, a switching-on button on the switching-on and switching-off controller is pressed, and a diode L3 in the function test module 4 passes through W1:1 and W:2, the terminal is in short circuit, the power supply voltage is applied to a closing indicator lamp L1 through a current-limiting resistor, and the closing indicator lamp L1 is on; when the opening button on the opening and closing controller is pressed, the diode L4 in the function test module 4 passes through W1:1 and W: the 3 terminal is short-circuited, the power supply voltage is applied to the L2 through the current limiting resistor, and the brake-off indicator lamp L2 is lightened.
When insulation resistance measurement is carried out, the insulation/function conversion module 2 transmits voltage signals of insulation measurement to the interface module 1, and the interface module 1 continuously transmits the signals to the switching-on/off controller; when the function test is carried out, the insulation/function conversion module 2 transmits the voltage signal of the function test to the interface module 1, the interface module 1 continuously transmits the signal to the switching-on/off controller, and receives the voltage signal transmitted back by the switching-on/off controller and the interface module 1.
The insulation test module 3 transmits the voltage signal of the external megger to the insulation/function conversion module 2.
The function test module 4 transmits the voltage signal of the function test to the insulation/function conversion module 2 and receives the voltage signal transmitted back by the insulation/function conversion module 2.
The method for detecting according to the detection device of the externally-connected local switching-on/off controller of the switch comprises the following steps:
as shown in figure 2 of the drawings, in which,
and 2, selecting a test item as required, executing the step 3 to the step 5 when the on-off controller is subjected to insulation test, and executing the step 6 to the step 10 when the function test is performed.
The items to be tested corresponding to the steps 3 to 5 are insulation resistance measurement of the switching-on/off controller;
the items to be tested corresponding to the steps 6 to 10 are opening and closing function tests of the opening and closing controller;
and 3, grounding an insulation test output binding post B in the insulation test module 3, and respectively connecting two test wires of the megohmmeter to the insulation test binding post A and the binding post B.
And 4, rotating the universal change-over switch in the insulation/function test change-over module 2 to an insulation test function.
And 5, starting the megger to measure, and rotating the universal change-over switch in the insulation/function change-over module 2 to a stop position after the measurement is finished.
And 6, rotating the universal change-over switch in the insulation/function conversion module 2 to a function test gear, and rotating the universal change-over switch in the function test module 4 to a self-test gear.
Claims (7)
1. The utility model provides an external on-spot divide-shut brake controller detection device of switch which characterized in that: the switching controller loop is connected to the interface module by the aid of an aviation plug, the switching controller loop is connected to the insulation/function conversion module through the interface module, and the insulation/function conversion module is used for connecting the loop to the insulation test module or the function test module;
the interface module prevents the switching-on/off controller from falling off; the switching-on and switching-off controller loop is connected to a terminal block 001BN in the interface module through an aviation plug;
the insulation/function conversion module realizes the selective conversion between the insulation test and the function test;
the insulation test module comprises a terminal bar 002BN and insulation test wiring terminals; the circuit of the switching-on/off controller is connected to an insulation test wiring terminal by a terminal bank 002BN and an insulation/function conversion module;
the function test module comprises a universal change-over switch SA2, a terminal row 003BN, a terminal row 004BN, a closing indicator lamp L1, a separating indicator lamp L2, diodes L3 and L4 and current-limiting resistors R1 and R2, and the universal change-over switch SA2 is used for realizing the selection and the conversion between the self-checking and the function test of the device; the diode L3 and the current-limiting resistor R1 are connected in series with the closing indicator lamp L1; the diode L4, the current-limiting resistor R2 and the opening indicator lamp L2 are connected in series; the two circuits are connected in parallel after being connected in series; the series circuit is connected with the corresponding interface of the terminal bank 004 BN;
when insulation resistance measurement is carried out, the insulation/function conversion module transmits voltage signals of insulation measurement to the interface module, and the interface module continuously transmits the signals to the switching-on/off controller; when the function test is carried out, the insulation/function conversion module transmits a voltage signal of the function test to the interface module, the interface module continuously transmits the signal to the switching-on/off controller, and receives the voltage signal transmitted back by the switching-on/off controller and the interface module; the insulation testing module transmits a voltage signal of the external megger to the insulation/function conversion module; the function test module transmits the voltage signal of the function test to the insulation/function conversion module and receives the voltage signal transmitted back by the insulation/function conversion module.
2. The device for detecting the externally-connected local on-off switching controller of the switch according to claim 1, wherein: and the S1:1 terminal and the S1:2 terminal in the terminal row 003BN are conducted after the insulation/function conversion module selects the function test file. When self-checking is carried out, the diode L3 and the diode L4 in the functional test module are in short circuit through W:1, W:2 and W:3 terminals in the terminal row 004BN, the universal change-over switch SA2 and the terminal row 003BN, power supply voltage is applied to the indicator lamp L1 and the indicator lamp L2 after passing through the current-limiting resistor, and the two indicator lamps are fully on. When the switching-on and switching-off controller is subjected to function test, a switching-on button on the switching-on and switching-off controller is pressed, and a diode L3 in a function test module passes through W1:1 and W:2, the terminal is in short circuit, the power supply voltage is applied to a closing indicator lamp L1 through a current-limiting resistor, and the closing indicator lamp L1 is on; when the opening button on the opening and closing controller is pressed, the diode L4 in the function test module passes through W1:1 and W: the 3 terminal is short-circuited, the power supply voltage is applied to the L2 through the current limiting resistor, and the brake-off indicator lamp L2 is lightened.
3. The device for detecting the externally-connected local on-off switching controller of the switch according to claim 2, wherein: the interface module adopts an aviation plug and is provided with a locking buckle.
4. The device for detecting the externally-connected local on-off switching controller of the switch according to claim 2, wherein: the insulation/function conversion module is a universal conversion switch SA 1.
5. The device for detecting the externally-connected local on-off switching controller of the switch according to claim 1, wherein: the insulation test module is provided with an insulation test wiring terminal A and a wiring terminal B, the insulation test wiring terminal A and the wiring terminal B are connected with an external insulation test instrument for use, the wiring terminal A and the wiring terminal B are insulated from a device shell, and the wiring terminal B is connected with a cable shield.
6. A detection method for a switch external local on-off and switching-on controller is characterized in that the detection method is based on a detection device for the switch external local on-off and switching-on controller, and comprises the following steps:
step 1, each universal change-over switch rotates to a stop position, and the opening and closing controller is connected to an interface module aviation plug and locked by a locking buckle;
step 2, selecting test items according to needs, executing step 3 to step 5 if the on-off switch controller is subjected to insulation test, and executing step 6 to step 10 if the function test is performed;
step 3, grounding an insulation test output binding post B in the insulation test module, and respectively connecting two test wires of the megohmmeter to the insulation test binding post A and the binding post B;
and 4, rotating the universal change-over switch in the insulation/function test change-over module to an insulation test function.
Step 5, starting the megger to measure, and rotating the universal change-over switch in the insulation/function test conversion module to a stop position after the measurement is finished;
step 6, rotating a universal change-over switch in the insulation/function test conversion module to a function test gear, and rotating the universal change-over switch in the function test module to a self-test gear;
step 7, checking and confirming that the indicator lamp should be fully on;
step 8, rotating a change-over switch in the function testing module to a function testing gear, and if the L1 lamp and the L2 lamp are not lighted, performing step 9; otherwise, the circuit corresponding to the switching-on/off controller has a fault.
Step 9, pressing a closing button on the switching-on and switching-off controller, checking and confirming a closing indicating lamp L1, and if the lamp is on, performing step 10; if the current is not bright, the switching-on loop of the switching-off and switching-on controller has a fault.
Step 10, pressing a brake separating button on the brake separating and closing controller, checking and confirming that a brake separating indicator lamp L2 is on, and if the lamp is on, enabling the brake separating and closing controller to be normal; if the current is not bright, the opening loop of the opening and closing controller has a fault.
7. The method for detecting the externally-connected local on-off switching controller of the switch according to claim 6, wherein the method comprises the following steps: if the indicating lamp is not on in the step 7, indicating that the indicating lamp of the function test loop of the detection device has a fault or the power supply has insufficient electric quantity, rotating the universal change-over switch in the insulation/function conversion module and the function test module to a stop gear, and restarting execution from the step 6 after checking and processing the fault that the indicating lamp is not on; if the indicator light is fully on, the function test loop of the detection device is not abnormal, and the step 8 is continuously executed.
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| CN202011021729.9A CN112230106B (en) | 2020-09-25 | 2020-09-25 | Detection device and method for switch external local switching-on/off controller |
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| CN202011021729.9A CN112230106B (en) | 2020-09-25 | 2020-09-25 | Detection device and method for switch external local switching-on/off controller |
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| CN112230106B CN112230106B (en) | 2021-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325273A (en) * | 2022-01-10 | 2022-04-12 | 北京航天新立科技有限公司 | Insulation breakdown testing device and method based on FPGA technology |
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