CN206671529U - D.C. isolation monitoring device on-line testing instrument - Google Patents
D.C. isolation monitoring device on-line testing instrument Download PDFInfo
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- CN206671529U CN206671529U CN201720461224.1U CN201720461224U CN206671529U CN 206671529 U CN206671529 U CN 206671529U CN 201720461224 U CN201720461224 U CN 201720461224U CN 206671529 U CN206671529 U CN 206671529U
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- tester housing
- monitoring device
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- current output
- output terminal
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Abstract
A kind of D.C. isolation monitoring device on-line testing instrument, including trimmable resistance, change-over switch, positive terminal, negative terminal, ground wire binding post, tester housing, the current output terminal of the positive terminal and negative terminal is electrically connected with two current input terminals of change-over switch respectively, the current output terminal of change-over switch and the adjustable side of trimmable resistance are electrically connected with, the current output terminal of trimmable resistance is electrically connected with the input of ground wire binding post, D.C. isolation monitoring device is verified with the current input terminal switched by switch transition；The adjustable side of the trimmable resistance, change-over switch, positive terminal, negative terminal, ground wire binding post are arranged in tester housing, tester housing is provided with handle, the tester housing includes upper cover body and lower box body, the side of upper cover body is pivotally connected with lower box body, and opposite side and the lower box body of upper cover body are fastened and connected.
Description
Technical field
It the utility model is related to circuit service technique field, more particularly to a kind of D.C. isolation monitoring device on-line testing
Instrument.
Background technology
D.C. isolation monitoring device is commonly used to the industries such as power plant, power supply administration, is monitoring DC control system insulation shape
A kind of monitoring device of condition.D.C. isolation monitoring device has carried out offline verification when dispatching from the factory by manufacturer at present, but puts into operation
Afterwards because its can not state out of service, cause many electric power enterprises there is no verification work of the development to D.C. isolation monitoring device
Make.Although Some Enterprises have carried out verification to it, the method used is directly to use a slide wire resistance, is connected to respectively straight
The negative or positive electrode of bus is flowed, the alarm condition of D.C. isolation monitoring device is reached by adjusting slide wire resistance, then using ten thousand
Whether the bus value for the D.C. isolation monitoring device tested with table under alarm condition meets the requirement of alarming value.The test method is deposited
In complex operation, personnel's wiring back and forth, and test resistance are in unshielded state, the potential safety hazard got an electric shock be present to personnel.
The content of the invention
In view of this, it is necessary to a kind of D.C. isolation monitoring device easy to carry, that verification is accurate, safe is provided and existed
Line tester.
A kind of D.C. isolation monitoring device on-line testing instrument, including trimmable resistance, change-over switch, positive terminal,
Negative terminal, ground wire binding post, tester housing, the electric current output of the positive terminal and negative terminal
End is electrically connected with two current input terminals of change-over switch respectively, the current output terminal of change-over switch and the tune of trimmable resistance
Save end to be electrically connected with, the current output terminal of trimmable resistance is electrically connected with the input of ground wire binding post, to pass through switching
The current input terminal of change-over switch verifies D.C. isolation monitoring device；The adjustable side of the trimmable resistance, change-over switch, just
Pole binding post, negative terminal, ground wire binding post are arranged in tester housing, and tester housing is provided with handle,
Carried with facilitating, the tester housing includes upper cover body and lower box body, and side and the lower box body of upper cover body are pivotally connected, upper cover body
Opposite side is fastened and connected with lower box body, to be easy to open or close tester housing.
Preferably, the D.C. isolation monitoring device on-line testing instrument also includes ammeter, and the electric current of the ammeter is defeated
Enter end and the current output terminal of change-over switch is electrically connected with, the current output terminal of ammeter and the adjustable side of trimmable resistance are electrical
Connection, to detect the electric current by trimmable resistance；The top-of-form set of ammeter is on the inwall of tester housing, to facilitate people
Member's observation current value.
Preferably, the D.C. isolation monitoring device on-line testing instrument also includes voltmeter, and the electric current of the voltmeter is defeated
Enter end and the current output terminal of ammeter is electrically connected with, the current output terminal of voltmeter and the current output terminal electricity of trimmable resistance
Property connection, to detect the voltage at the both ends of the adjustable side of trimmable resistance and current output terminal；The top-of-form set of voltmeter is in school
Test on the inwall of instrument housing, to facilitate personnel to observe magnitude of voltage.
Preferably, be provided with instrument face plate in tester housing, tester housing is in cube, the four edges of instrument face plate and
The four edges of tester housing are in close contact, the adjustable side of the trimmable resistance, change-over switch, positive terminal, negative pole
Binding post, ground wire binding post are arranged on instrument face plate, and to facilitate operation, the instrument face plate is provided with ground connection button, connect
Ground button is contacted by wire with ground, to eliminate the electrostatic on tester housing.
Preferably, the bottom of the tester housing is provided with metallic support, to eliminate the electrostatic that tester housing carries, gold
Category support is detachably connected with tester housing, is carried with facilitating, accordingly, the inside of tester housing is provided with metallic support
Groove, to place metallic support.
Beneficial effect：The positive terminal of D.C. isolation monitoring device of the present utility model and the electricity of negative terminal
Flow two current input terminals of the output end respectively with change-over switch to be electrically connected with, the current output terminal and adjustable electric of change-over switch
The adjustable side of resistance is electrically connected with, and on-line testing instrument when in use, only need to can be complete by the current input terminal that switch transition switchs
Into the verification of the positive pole and negative pole of the bus of D.C. isolation monitoring device, verification is accurate, safe, while tester housing is set
There is handle, carry also more convenient.
Brief description of the drawings
Fig. 1 is the circuit diagram of D.C. isolation monitoring device on-line testing instrument of the present utility model.
Fig. 2 is the structural representation of D.C. isolation monitoring device on-line testing instrument of the present utility model.
Fig. 3 is distribution of each part of D.C. isolation monitoring device on-line testing instrument of the present utility model on instrument face plate
Figure.
In figure：D.C. isolation monitoring device on-line testing instrument 10, trimmable resistance 101, change-over switch 102, positive terminal
Terminal 103, negative terminal 104, ground wire binding post 105, tester housing 106, upper cover body 1061, lower box body 1062,
Handle 10621, metallic support 1063, ammeter 107, voltmeter 108, instrument face plate 109, ground connection button 1091, D.C. isolation prison
Survey device 20, bus positive pole 201, bus negative pole 202.
Embodiment
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the utility model, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing.
It refer to Fig. 1, Fig. 2 and Fig. 3, D.C. isolation monitoring device on-line testing instrument 10, including trimmable resistance 101,
Change-over switch 102, positive terminal 103, negative terminal 104, ground wire binding post 105, tester housing 106, institute
Two electric currents of the current output terminal of positive terminal 103 and negative terminal 104 respectively with change-over switch 102 are stated to input
End is electrically connected with, and the current output terminal of change-over switch 102 is electrically connected with the adjustable side of trimmable resistance 101, trimmable resistance
101 current output terminal is electrically connected with the input of ground wire binding post 105, to pass through the electric current of switch transition switch 102
Input verifies D.C. isolation monitoring device；The adjustable side of the trimmable resistance 101, change-over switch 102, positive terminal
Son 103, negative terminal 104, ground wire binding post 105 are arranged in tester housing 106, are set on tester housing 106
There is handle, carried with facilitating, the tester housing 106 includes upper cover body 1061 and lower box body 1062, and the one of upper cover body 1061
Side is pivotally connected with lower box body 1062, and opposite side and the lower box body 1062 of upper cover body 1061 are fastened and connected, to be easy to open or close school
Test instrument housing 106.
Further, the D.C. isolation monitoring device on-line testing instrument 10 also includes ammeter 107, the ammeter
The current output terminal of 107 current input terminal and change-over switch 102 is electrically connected with, the current output terminal of ammeter 107 with it is adjustable
The adjustable side of formula resistance 101 is electrically connected with, to detect the electric current by trimmable resistance 101；The top-of-form set of ammeter 107 exists
On the inwall of tester housing 106, to facilitate personnel to observe current value.
Further, the D.C. isolation monitoring device on-line testing instrument 10 also includes voltmeter 108, the voltmeter
The current output terminal of 108 current input terminal and ammeter 107 is electrically connected with, the current output terminal of voltmeter 108 with it is adjustable
The current output terminal of resistance 101 is electrically connected with, to detect the electricity at the both ends of the adjustable side of trimmable resistance 101 and current output terminal
Pressure；The top-of-form set of voltmeter 108 is on the inwall of tester housing 106, to facilitate personnel to observe magnitude of voltage.
Further, it is provided with instrument face plate 109 in tester housing 106, tester housing 106 is in cube, instrument face
The four edges of plate 109 are in close contact with the four edges of tester housing 106, and the adjustable side of the trimmable resistance 101, conversion are opened
Close 102, positive terminal 103, negative terminal 104, ground wire binding post 105 to be arranged on instrument face plate 109, with side
Convenient to operate, the instrument face plate 109 are provided with ground connection button 1091, and ground connection button 1091 is contacted by wire with ground, to eliminate school
The electrostatic tested on instrument housing 106.
Ground connection button 1091 on instrument face plate 109 is contacted by wire with ground, can make instrument face plate 109 and verification
Instrument housing 106 is in zero potential, so that verification is accurate.
Further, the bottom of the tester housing 106 is provided with metallic support 1063, to eliminate tester housing 106
The electrostatic carried, metallic support 1063 are detachably connected with tester housing 106, are carried with facilitating, accordingly, tester housing
106 inside is provided with metallic support groove, to place metallic support 1063.
When in use, the detection of extraneous D.C. isolation fills D.C. isolation monitoring device on-line testing instrument 10 of the present utility model
The positive pole and positive terminal 103 for putting 20 bus are electrically connected with, and negative pole and the negative terminal 104 of bus electrically connect
Connect, ground wire and the ground wire binding post 105 of D.C. isolation monitoring device 20 are electrically connected with.Change-over switch 102 is switched to positive pole and connect
The positive pole of the bus of D.C. isolation detection means 20 is verified during line terminals 103, change-over switch 102 is switched to negative terminal
The negative pole of the bus of D.C. isolation detection means 20 is verified when 104.Pass through the resistance and magnitude of voltage or electric current of trimmable resistance 101
Value, it becomes possible to judge whether D.C. isolation monitoring device 20 is normal.
Above disclosed is only the utility model preferred embodiment, can not limit the utility model with this certainly
Interest field, one of ordinary skill in the art will appreciate that realize all or part of flow of above-described embodiment, and according to this reality
The equivalent variations made with new claim, still fall within the scope that utility model is covered.
Claims (5)
- A kind of 1. D.C. isolation monitoring device on-line testing instrument, it is characterised in that：Including trimmable resistance, change-over switch, positive pole Binding post, negative terminal, ground wire binding post, tester housing, the positive terminal and negative terminal Current output terminal be electrically connected with respectively with two current input terminals of change-over switch, the current output terminal of change-over switch with it is adjustable The adjustable side of formula resistance is electrically connected with, and the current output terminal of trimmable resistance is electrically connected with the input of ground wire binding post, D.C. isolation monitoring device is verified with the current input terminal switched by switch transition；The adjustable side of the trimmable resistance, Change-over switch, positive terminal, negative terminal, ground wire binding post are arranged in tester housing, tester housing Handle is provided with, is carried with facilitating, the tester housing includes upper cover body and lower box body, side and the lower box body pivot of upper cover body Connect, opposite side and the lower box body of upper cover body are fastened and connected, to be easy to open or close tester housing.
- 2. D.C. isolation monitoring device on-line testing instrument as claimed in claim 1, it is characterised in that：The D.C. isolation monitoring Device on-line testing instrument also includes ammeter, and the current input terminal of the ammeter and the current output terminal of change-over switch electrically connect Connect, the current output terminal of ammeter and the adjustable side of trimmable resistance are electrically connected with, to detect the electric current by trimmable resistance； The top-of-form set of ammeter is on the inwall of tester housing, to facilitate personnel to observe current value.
- 3. D.C. isolation monitoring device on-line testing instrument as claimed in claim 2, it is characterised in that：The D.C. isolation monitoring Device on-line testing instrument also includes voltmeter, and the current input terminal of the voltmeter and the current output terminal of ammeter electrically connect Connect, the current output terminal of voltmeter and the current output terminal of trimmable resistance are electrically connected with, to detect the regulation of trimmable resistance End and the voltage at the both ends of current output terminal；The top-of-form set of voltmeter is on the inwall of tester housing, to facilitate personnel to see Survey magnitude of voltage.
- 4. D.C. isolation monitoring device on-line testing instrument as claimed in claim 3, it is characterised in that：It is provided with tester housing Instrument face plate, tester housing are in cube, and the four edges of instrument face plate are in close contact with the four edges of tester housing, described The adjustable side of trimmable resistance, change-over switch, positive terminal, negative terminal, ground wire binding post are arranged on instrument On panel, to facilitate operation, the instrument face plate is provided with ground connection button, and ground connection button is contacted by wire with ground, to eliminate school The electrostatic tested on instrument housing.
- 5. D.C. isolation monitoring device on-line testing instrument as claimed in claim 3, it is characterised in that：The tester housing Bottom is provided with metallic support, and to eliminate the electrostatic that tester housing carries, metallic support is detachably connected with tester housing, with Convenient to carry, accordingly, the inside of tester housing is provided with metallic support groove, to place metallic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461224.1U CN206671529U (en) | 2017-04-28 | 2017-04-28 | D.C. isolation monitoring device on-line testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461224.1U CN206671529U (en) | 2017-04-28 | 2017-04-28 | D.C. isolation monitoring device on-line testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671529U true CN206671529U (en) | 2017-11-24 |
Family
ID=60370678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720461224.1U Expired - Fee Related CN206671529U (en) | 2017-04-28 | 2017-04-28 | D.C. isolation monitoring device on-line testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206671529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872821A (en) * | 2018-08-02 | 2018-11-23 | 广东电网有限责任公司 | A kind of test device and tester |
-
2017
- 2017-04-28 CN CN201720461224.1U patent/CN206671529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872821A (en) * | 2018-08-02 | 2018-11-23 | 广东电网有限责任公司 | A kind of test device and tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180521 Address after: 016064 Industrial Zone, chessan Town, erto Ke banner, Ordos City, the Inner Mongolia Autonomous Region Patentee after: INNER MONGOLIA ERDOS ELECTRIC POWER METALLURGY GROUP Co.,Ltd. Address before: 753000 Huitong Garden No. 42-2-1, Huitong District, Shizuishan, the Ningxia Hui Autonomous Region Co-patentee before: Zhang Haibo Patentee before: Wang Shili Co-patentee before: Peng Chao |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20210428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |