CN218272569U - Test tool for insulation monitoring device of direct current system - Google Patents
Test tool for insulation monitoring device of direct current system Download PDFInfo
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- CN218272569U CN218272569U CN202222180892.0U CN202222180892U CN218272569U CN 218272569 U CN218272569 U CN 218272569U CN 202222180892 U CN202222180892 U CN 202222180892U CN 218272569 U CN218272569 U CN 218272569U
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- glazed
- glazed resistor
- insulation monitoring
- monitoring device
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Abstract
The utility model discloses a test tool for a DC system insulation monitoring device, which comprises two insulation boards and a double-layer board connecting piece, wherein the two insulation boards are connected up and down through the double-layer board connecting piece; the upper insulating plate is an operation panel, and the lower insulating plate is provided with a test circuit; the test circuit that sets up on the insulation board of below includes many by glaze resistance module, terminal, fuse and by the loop that glaze resistance selection switch connects gradually the series and obtain and can dismantle by the glaze resistance. When testing with this instrument, only need connect the tester to the terminal that detects the return circuit can, reach the purpose of adjustment resistance value through adjust knob, this test instrument has significantly reduced the number of times of taking apart the test wire in the middle of the experiment, has simplified test method, has improved the security in the testing process simultaneously.
Description
Technical Field
The utility model relates to a direct current system maintains the field, more specifically relates to an insulating monitoring device test tool of direct current system.
Background
When a direct current power supply system is subjected to regular inspection or inspection and maintenance, a simulation grounding test needs to be carried out on a direct current bus so as to ensure that the direct current bus insulation monitoring device and a signal loop thereof are intact. When the direct current system insulation monitoring device is tested, because bus and feeder branch ground resistance alarm values are different, the tester needs to carry the resistance of a plurality of different resistances to test according to concrete work, and can take place many times and disconnect test wire work during the test, causes the danger of equipment ground connection or mistake touching live equipment in the dish easily.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art not enough, the utility model provides an insulating monitoring device test tool of direct current system can need not change the wiring when experimental, switches over the knob through resistance range switching on the rotation resistance board and realizes the resistance value and switch over, makes the experiment become simple and convenient and safety.
The utility model adopts the following technical proposal.
A test tool for a direct current system insulation monitoring device comprises two insulation plates and a double-layer plate connecting piece, wherein the two insulation plates are connected up and down through the double-layer plate connecting piece; the upper insulating plate is an operation panel, and the lower insulating plate is provided with a test circuit;
the test circuit that sets up on the insulation board of below includes many by glaze resistance module, terminal, fuse and by the loop that glaze resistance selection switch connects gradually the series and obtain and can dismantle by the glaze resistance.
Furthermore, the binding posts comprise red binding posts and black binding posts, the glazed resistor selection switch is provided with 20K, 30K, 45K and 55K gears, and the multi-glazed resistor module comprises a first glazed resistor, a second glazed resistor, a third glazed resistor, a fourth glazed resistor, a fifth glazed resistor and a sixth glazed resistor;
one end of the first glazed resistor is connected with the red binding post, and the other end of the first glazed resistor is connected with one end of the second glazed resistor and the 20K gear of the glazed resistor selection switch; the other end of the second glazed resistor is connected with one end of the third glazed resistor and the 30K gear of the glazed resistor selection switch; the other end of the third glazed resistor is connected with one end of the fourth glazed resistor; the other end of the fourth glazed resistor is connected with one end of the fifth glazed resistor and the 45K gear of the glazed resistor selection switch; the other end of the fifth glazed resistor is connected with the 55K gear of the glazed resistor selection switch; and the sixth glazed resistor is a spare resistor and is fixed on the insulating plate below.
Furthermore, the operating panel is provided with a plurality of glazed resistor modules in the test circuit, a binding post, a detachable glazed resistor and an operating part corresponding to the glazed resistor selection switch.
Further, the detachable glazed resistor is fixed on the lower insulating plate.
Further, the resistance value of the detachable glazed resistor is 9.22K omega.
Furthermore, the detachable glazed resistor can be replaced at will according to the requirements of insulation monitoring tests.
Further, the resistance value of the first glazed resistor is 20K Ω, the resistance value of the second glazed resistor is 10K Ω, the resistance value of the third glazed resistor is 10K Ω, the resistance value of the fourth glazed resistor is 5K Ω, the resistance value of the fifth glazed resistor is 10K Ω, and the resistance value of the sixth glazed resistor is 5K Ω.
Further, the binding post is connected with the branch to be tested.
Furthermore, the double-layer board connecting pieces are arranged at four corners of the insulating board and penetrate through the insulating board.
Further, the upper insulating plate is parallel to the lower insulating plate and perpendicular to the double-layer plate connecting piece.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model overcomes when changing resistance at every turn and examining, all need the shortcoming of the experimental wiring of disconnect, improved work efficiency, reduced the cost of labor. And simultaneously, the utility model relates to a resistance board that possesses protect function, variable resistance to improving work efficiency, it has great meaning to promote factor of safety, has overcome because being lacked the protection by glaze resistance, if the system has direct current when extremely earthing in the test process, only relies on the empty circuit that breaks open of direct current, very easily takes place direct current short circuit and causes a series of circumstances such as bodily injury and switch malfunction.
Drawings
FIG. 1 is a schematic circuit diagram of a test tool for an insulation monitoring apparatus for a DC system;
FIG. 2 is a top view of a test tool for the DC system insulation monitoring apparatus;
fig. 3 is a perspective view of a test tool for the dc system insulation monitoring device.
Description of the figure numbers:
1. the device comprises a multi-glazed resistor module, R1-R6, first to sixth glazed resistors, 2, a double-layer plate connecting piece, 3, a binding post, 4, a detachable glazed resistor, 5, a glazed resistor selection switch, 6, an insulating plate, 7 and a fuse.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention. The embodiments described in this application are only some of the embodiments of the present invention, and not all of the embodiments. Based on the spirit of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in the figure, the utility model discloses a test tool for direct current system insulation monitoring device, it includes: the multi-glazed resistor module comprises a multi-glazed resistor module 1, a double-layer plate connecting piece 2, a binding post 3, a detachable glazed resistor 4, a glazed resistor selection switch 5, an insulating plate 6 and a fuse 7.
The number of the insulating plates 6 is two, and the two insulating plates are connected up and down through the double-layer plate connecting piece 2; the upper insulating plate 6 is an operation panel, and the lower insulating plate 6 is provided with a test circuit; the test circuit that sets up on the insulation board 6 of below includes and is connected in series the return circuit that obtains and can dismantle by glaze resistance 4 by many by glaze resistance module 1, terminal 3, fuse 7 and by glaze resistance selection switch 5 in proper order.
In a further preferred but non-limiting embodiment, the studs 3 include red studs 3 and black studs 3, the glazed resistor selection switch 5 sets 20K, 30K, 45K and 55K gears, and the multi-glazed resistor module 1 includes a first glazed resistor R1, a second glazed resistor R2, a third glazed resistor R3, a fourth glazed resistor R4, a fifth glazed resistor R5 and a sixth glazed resistor R6;
one end of the first glazed resistor R1 is connected with the red binding post 3, and the other end of the first glazed resistor R1 is connected with one end of the second glazed resistor R2 and the 20K gear of the glazed resistor selection switch 5; the other end of the second glazed resistor R2 is connected with one end of the third glazed resistor R3 and the 30K gear of the glazed resistor selection switch 5; the other end of the third glazed resistor R3 is connected with one end of the fourth glazed resistor R4; the other end of the fourth glazed resistor R4 is connected with one end of the fifth glazed resistor R5 and the 45K gear of the glazed resistor selection switch 5; the other end of the fifth glazed resistor R5 is connected with the 55K gear of the glazed resistor selection switch 5; the sixth glazed resistor R6 is a spare resistor and is fixed to the lower insulating plate 6.
In a further preferred but non-limiting embodiment, the operating panel is provided with operating parts corresponding to the multi-glazed resistor module 1, the binding post 3, the detachable glazed resistor 4 and the glazed resistor selection switch 5 in the test circuit.
In a further preferred but non-limiting embodiment, the removable glazed resistor 4 is fixed to the underlying insulating plate 6.
In a further preferred but non-limiting embodiment, the removable glazed resistor 4 has a resistance of 9.22K Ω.
In a further preferred but non-limiting embodiment, the double-layer plate connectors 2 are arranged at the four corners of the insulating plate 6 and extend through the insulating plate 6.
In a further preferred but non-limiting embodiment, the upper insulating plate 6 is parallel to the lower insulating plate 6 and perpendicular to the double plate connector 2.
In a further preferred but non-limiting embodiment, the removable glazed resistor 4 is optionally replaceable according to insulation monitoring test requirements.
In a further preferred but non-limiting embodiment, the multi-glazed resistor module 1 has a fixed resistance, the resistance of the first glazed resistor R1 is 20K Ω, the resistance of the second glazed resistor R2 is 10K Ω, the resistance of the third glazed resistor R3 is 10K Ω, the resistance of the fourth glazed resistor R4 is 5K Ω, the resistance of the fifth glazed resistor R5 is 10K Ω, and the resistance of the sixth glazed resistor R6 is 5K Ω. The parameters of the insulation monitoring device meet the requirements of the direct current system operation inspection guide rule (Q/GDW 46 10022.33-2018) and the operation and maintenance technical regulations of the storage battery direct current power supply device for the DL/T724 power system. Therefore, 20k Ω, 30k Ω, 45k Ω and 55k Ω tests were selected. The test value is between 20 and 50K omega, so the fixed resistance resistor is set. In the specific implementation process, the resistance value of the multi-glazed resistor module 1 is set according to the specific specification.
When actually carrying out the insulation monitoring device experiment, only need with branch road and the terminal connection of surveying, according to the numerical value adjustment knob switch that surveys, the record data can.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model overcomes when changing resistance at every turn and examining, all need the shortcoming of the experimental wiring of disconnect, improved work efficiency, reduced the cost of labor. And simultaneously, the utility model relates to a resistance board that possesses protect function, variable resistance to improving work efficiency, it has great meaning to promote factor of safety, has overcome because lack the protection by glaze resistance, if the system has direct current when extremely ground connection in the process of the test, only relies on the empty circuit that opens of direct current, very easily takes place direct current short circuit and causes a series of circumstances such as bodily injury and switch malfunction.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as being covered by the claims.
Claims (10)
1. The utility model provides a test tool for direct current system insulation monitoring device, includes insulation board (6), double plate connecting piece (2), its characterized in that:
the number of the insulating plates (6) is two, and the two insulating plates are connected up and down through the double-layer plate connecting piece (2); the upper insulating plate (6) is an operation panel, and the lower insulating plate (6) is provided with a test circuit;
the test circuit that sets up on below insulation board (6) includes many by glaze resistance module (1), terminal (3), fuse (7) and by glaze resistance selection switch (5) in proper order establish ties the return circuit that obtains and can dismantle by glaze resistance (4).
2. A test tool for dc system insulation monitoring apparatus according to claim 1, wherein:
the binding posts (3) comprise red binding posts (3) and black binding posts (3), the glazed resistor selection switch (5) is provided with 20K, 30K, 45K and 55K gears, and the multi-glazed resistor module (1) comprises a first glazed resistor (R1), a second glazed resistor (R2), a third glazed resistor (R3), a fourth glazed resistor (R4), a fifth glazed resistor (R5) and a sixth glazed resistor (R6);
one end of the first glazed resistor (R1) is connected with the red binding post (3), and the other end of the first glazed resistor (R1) is connected with one end of the second glazed resistor (R2) and the 20K gear of the glazed resistor selection switch (5); the other end of the second glazed resistor (R2) is connected with one end of the third glazed resistor (R3) and a 30K gear of the glazed resistor selection switch (5); the other end of the third glazed resistor (R3) is connected with one end of the fourth glazed resistor (R4); the other end of the fourth glazed resistor (R4) is connected with one end of the fifth glazed resistor (R5) and a 45K gear of the glazed resistor selection switch (5); the other end of the fifth glazed resistor (R5) is connected with the 55K gear of the glazed resistor selection switch (5); and the sixth glazed resistor (R6) is a spare resistor and is fixed on the lower insulating plate (6).
3. The test tool for the insulation monitoring device of the direct current system according to claim 1, characterized in that:
the operating panel is provided with a plurality of glazed resistor modules (1) in the test circuit, a binding post (3), a detachable glazed resistor (4) and an operating part corresponding to the glazed resistor selection switch (5).
4. The test tool for the insulation monitoring device of the direct current system according to claim 1, characterized in that:
the detachable glazed resistor (4) is fixed on the lower insulating plate (6).
5. A test tool for an insulation monitoring device of a DC system according to claim 4, characterized in that:
the resistance value of the detachable glazed resistor (4) is 9.22K omega.
6. A test tool for an insulation monitoring device of a DC system according to claim 4, characterized in that:
the detachable glazed resistor (4) can be replaced at will according to the requirements of insulation monitoring tests.
7. The test tool for the insulation monitoring device of the direct current system according to claim 1, characterized in that:
the resistance value of the first glazed resistor (R1) is 20K omega, the resistance value of the second glazed resistor (R2) is 10K omega, the resistance value of the third glazed resistor (R3) is 10K omega, the resistance value of the fourth glazed resistor (R4) is 5K omega, the resistance value of the fifth glazed resistor (R5) is 10K omega, and the resistance value of the sixth glazed resistor (R6) is 5K omega.
8. The test tool for the insulation monitoring device of the direct current system according to claim 1, characterized in that:
and the binding post (3) is connected with the branch to be tested.
9. The test tool for the insulation monitoring device of the direct current system according to claim 1, characterized in that:
the double-layer plate connecting pieces (2) are arranged at four corners of the insulating plate (6) and penetrate through the insulating plate (6).
10. A test tool for dc system insulation monitoring apparatus according to claim 9, wherein:
the upper insulating plate (6) is parallel to the lower insulating plate (6) and is perpendicular to the double-layer plate connecting piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180892.0U CN218272569U (en) | 2022-08-18 | 2022-08-18 | Test tool for insulation monitoring device of direct current system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180892.0U CN218272569U (en) | 2022-08-18 | 2022-08-18 | Test tool for insulation monitoring device of direct current system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218272569U true CN218272569U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222180892.0U Active CN218272569U (en) | 2022-08-18 | 2022-08-18 | Test tool for insulation monitoring device of direct current system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218272569U (en) |
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2022
- 2022-08-18 CN CN202222180892.0U patent/CN218272569U/en active Active
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