CN208443911U - It is a kind of can charged for replacement discharge counter access device - Google Patents
It is a kind of can charged for replacement discharge counter access device Download PDFInfo
- Publication number
- CN208443911U CN208443911U CN201820569936.XU CN201820569936U CN208443911U CN 208443911 U CN208443911 U CN 208443911U CN 201820569936 U CN201820569936 U CN 201820569936U CN 208443911 U CN208443911 U CN 208443911U
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- disconnecting link
- discharge counter
- mounting box
- fixedly connected
- connection
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Abstract
The utility model discloses it is a kind of can charged for replacement discharge counter access device, including discharge counter, mounting box and single-pole double throw disconnecting link, discharge counter and single-pole double throw disconnecting link are fixedly connected in mounting box, single-pole double throw disconnecting link is star-like connection, two input terminals are connected respectively to connection conductor, the power end and ground terminal of upper two output ends difference discharge counter, next left output end is connected to ground connection band iron, mounting box is fixedly connected on electric pole, connection conductor is connected to arrester after being pierced by mounting box, arrester is fixedly connected on insulator foot, insulator foot is connected on electric pole by fixed bracket, ground connection band iron upper end is fixedly connected on fixed bracket.The utility model is realized under not power-off condition carries out maintenance replacement to counter, it can be realized the hot line job replacement of counter for lightning arrester, defect expressivity rate is greatly improved, power networks risk is reduced, the utility model also has the characteristics that structure is simple, at low cost, easy to operate.
Description
Technical field
The utility model belongs to counter device technical field, and in particular to it is a kind of can the discharge counter of charged for replacement connect
Enter device.
Background technique
In the power system, (or leakage current monitor, hereinafter referred to as " electric discharge counts the dedicated discharge counter of arrester
Device " or " counter ") it is widely used.It is found according to the operating experience of many years and statistics, the dedicated electric discharge of arrester in substation
Counter breaks down and the probability of defect is very high, accounts for 90% or more of arrester equipment deficiency sum.
Traditional arrester private counter connection type is to be connected to counter high pressure by lightning arrester insulation pedestal top
End is grounded (schematic diagram as shown in figure 13) using counter, after defect occurs for the dedicated discharge counter of arrester, overhauls people
Member needs to have a power failure arrester could carry out defect processing to inspecting state to discharge counter, and arrester is often directly logical
It crosses conductor to be connected with high-pressure section (in addition to most of bus-bar potential transformer units), therefore, arrester power failure means height
The power failure of crimping road or main transformer unit, such interruption maintenance mode result in that defect expressivity rate is low, power networks risk
It is high.
Summary of the invention
The technical issues of the utility model solves is: provide it is a kind of can charged for replacement discharge counter access device, energy
It enough realizes charged for replacement operation, improves defect expressivity rate, reduce power networks risk, it is above-mentioned existing in the prior art to solve
Problem.
The technical solution that the utility model is taken are as follows: it is a kind of can charged for replacement discharge counter access device, including put
Electric counter, mounting box and single-pole double throw disconnecting link, discharge counter and single-pole double throw disconnecting link are fixedly connected in mounting box, single
Knife double-throw disconnecting link is star-like connection, and two input terminals are connected respectively to connection conductor, the electricity of upper two output ends difference discharge counter
Source and ground terminal, next left output end are connected to ground connection band iron, and mounting box is fixedly connected on electric pole, and connection conductor is pierced by peace
Arrester is connected to after mounted box, arrester is fixedly connected on insulator foot, and insulator foot is connected to electric pole by fixed bracket
On, ground connection band iron upper end is fixedly connected on fixed bracket.
Preferably, above-mentioned discharge counter is connected in mounting box by mounting plate.
Preferably, above-mentioned single-pole double throw disconnecting link includes double moving contact of disconnecting link, and double moving contact of disconnecting link are rotatably connected to knife
On flashboard, two input terminals of double moving contact of disconnecting link are electrically connected to two intermediate connection seats, the left and right ends difference of two intermediate connection seats
It is connected on connection conductor and ground connection band iron, disconnecting link plate is provided with junction block and lower two output end on the two of two output ends connection
The lower junction blocks of the two of connection, the left and right ends of junction block are connected respectively to the power end and ground terminal of discharge counter on two, and two
The left end of lower junction block is connected to ground connection band iron, and the right end of two lower junction blocks is dielectric support block.
Preferably, above-mentioned disconnecting link plate is bolted to connection on the supporting plate, and support plate is fixedly connected in mounting box.
Preferably, above-mentioned mounting plate is fixedly connected on mounting box by screw rod, and multiple horizontal bars are provided on mounting plate
Shape through-hole, mounting plate middle part are provided with rectangular through-hole, and horizontal strip through-hole is capable of the mounting hole of face discharge counter and use
Bolt is fixed.
Preferably, above-mentioned mounting plate is connected on mounting box by four screw rods, passes through double nut between screw rod and mounting plate
Locking.
The utility model has the beneficial effects that compared with prior art, the effect of the utility model is as follows:
1) the utility model is by the single-pole double throw disconnecting link of setting star-like connection, and closure realizes counter for lightning arrester upwards
Use state is closed downwards, and counter is hanging, and by arrester ground, is realized under not power-off condition and carried out to counter
Maintenance replacement can be realized the hot line job replacement of counter for lightning arrester, greatly improve defect expressivity rate, reduce operation of power networks
Risk, the utility model also have the characteristics that structure is simple, at low cost, easy to operate；
2) the utility model is paved with horizontal strip through-hole by setting and the mounting plate of rectangular through-hole is arranged in middle part, can
Counter for lightning arrester installation of different specifications and sizes, wide adaptation range are adapted to, installation is easy, and installation effectiveness greatly improves, and makees
Industry risk is low, and equipment cost is greatly reduced；
3) the utility model uses the single-pole double throw disconnecting link of star-like connection, one output end is hanging, and realizes electric discharge
Ground terminal and the power end linkage of counter are hanging, efficiently avoid issuable Ground Electric Potential Rise pair when lightning arrestor movement
The unexpected injury of service personnel, disconnecting link with this configuration, effectively avoids maloperation and electric shock, compares single-phase switch operation, because
Linkage action, use are more time saving and energy saving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view structural representation of the utility model；
Fig. 3 is counter mounting structure schematic diagram；
Fig. 4 is that counter installs forward sight structural schematic diagram；
Fig. 5 is disconnecting link schematic view of the front view；
Fig. 6 is disconnecting link right side structural representation；
Fig. 7 is discharge counter operating status structural schematic diagram；
Fig. 8 is discharge counter inspecting state structural schematic diagram；
Fig. 9 is mounting box structural schematic diagram；
Figure 10 is mounting box perspective structure schematic diagram；
Figure 11 is mounting box right side structural representation；
Figure 12 is disconnecting link circuit connection schematic illustration；
Figure 13 is existing counter attachment structure schematic diagram.
In figure, 1- discharge counter, 2- mounting box, 3- single-pole double throw disconnecting link, 4- connection conductor, 5- ground connection band iron, 6- electricity
Bar, 7- arrester, 8- insulator foot, the fixed bracket of 9-, 10- mounting plate, the horizontal strip through-hole of 11-, 12- rectangular through-hole, 13- spiral shell
Bar, 14- double nut；
The bis- moving contact of disconnecting link of 301-, 302- disconnecting link plate, two intermediate connection seat of 303-, junction block on 304- two, under 305- two
Junction block, 306- support plate.
Specific embodiment
With reference to the accompanying drawing and the utility model is described further in specific embodiment.
Embodiment 1: as shown in Fig. 1-Figure 13, it is a kind of can charged for replacement discharge counter access device, including discharge gage
Number device 1, mounting box 2 and single-pole double throw disconnecting link 3, discharge counter 1 and single-pole double throw disconnecting link 3 are fixedly connected in mounting box 2,
Single-pole double throw disconnecting link 3 is star-like connection, and two input terminals are connected respectively to connection conductor 4, and upper two output end distinguishes discharge counter 1
Power end and ground terminal, next left output end is connected to ground connection band iron 5, and mounting box 2 is fixedly connected on electricity by mounting rack 15
On bar 6, mounting rack 15 is I-shaped structure, and easy for installation, stable connection is reliable, and connection conductor 4 is connected to after being pierced by mounting box 2
Arrester 7, arrester 7 are fixedly connected on insulator foot 8, and insulator foot 8 passes through fixed bracket 9 and is connected on electric pole 6, are grounded
5 upper end of band iron is fixedly connected on fixed bracket 9.
Preferably, above-mentioned discharge counter 1 is connected in mounting box 2 by mounting plate 10.
Preferably, above-mentioned single-pole double throw disconnecting link 3 includes double moving contact of disconnecting link 301, and double moving contact of disconnecting link 301 rotatably connect
It connects on disconnecting link plate 302, two input terminals of double moving contact of disconnecting link 301 are electrically connected to two intermediate connection seats 303, two intermediate connection seats
303 left and right ends are connected respectively on connection conductor 4 and ground connection band iron 5, and disconnecting link plate 302 is provided with the connection of two output ends
Junction block 304 is connected with lower two output end on two two descend junction block 305, and the left and right ends of junction block 304 are separately connected on two
To the power end and ground terminal of discharge counter 1, the left end of two lower junction blocks 305 is connected to ground connection band iron 5, two lower junction blocks
305 right end is dielectric support block, in inspecting state, is closed double moving contact of disconnecting link 301 downwards, and right end is vacantly not connected to line,
It realizes that the electric isolution of discharge counter is vacantly placed, efficiently avoids issuable Ground Electric Potential Rise pair when lightning arrestor movement
The unexpected injury of service personnel, double about 301 moving contact of disconnecting link closures are electrically connectable to junction block 304 and two lower wiring on two
Seat 305, disconnecting link with this configuration effectively avoids maloperation and electric shock.
Preferably, above-mentioned disconnecting link plate 302 is bolted to connection in support plate 306, and support plate 306 is fixedly connected on
In mounting box 2.
Double moving contact of disconnecting link 301 use principle: 1) when counter operates normally, by the single-pole double throw disconnecting link of star-star connection
Upwards close a floodgate (as shown in Figure 3), at this time lightning arrester base → 1 → 2 → counter power end → counter ground terminal → 3 → 4 →
Ground connection forms performance loop；2) when counter needs replacing or overhauls, the single-pole double throw disconnecting link of star-star connection is closed a floodgate downwards
(as shown in Figure 4), lightning arrester base → 1 → 5 → ground connection operation at this time, and counter is then completely hanging over the ground, with convenient to overhaul
Personnel's operation.
Preferably, above-mentioned mounting plate 10 is fixedly connected on mounting box 2 by screw rod 13, is provided on mounting plate 10 multiple
Horizontal strip through-hole 11 is provided with rectangular through-hole 12 in the middle part of mounting plate 10, and horizontal strip through-hole 11 being capable of face discharge counter 1
Mounting hole and be fixed by bolts, rectangular through-hole 12 can pass through the component at some counter rear portions, be convenient for counting
The installation of device.
Preferably, above-mentioned mounting plate 10 is connected on mounting box 2 by four screw rods 13, is led between screw rod 13 and mounting plate 10
The locking of double nut 14 is crossed, is connected reliable and stable.
Preferably, it is provided with door on front side of above-mentioned mounting box 2, transparent panel 16 and heat release hole 17 and lock 18 is provided on door,
Dustproof rain cover 19 is provided at the top of mounting box 2.
Example above description is only a specific implementation of the present invention, the protection scope of the utility model not office
It is limited to this.Be familiar with the those skilled in the art within the technical scope disclosed by the utility model, can easily find variation or
Alternative, these should be covered within the scope of the utility model.For this purpose, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (6)
1. one kind can charged for replacement discharge counter access device, it is characterised in that: including discharge counter (1), mounting box
(2) it is fixedly connected in mounting box (2) with single-pole double throw disconnecting link (3), discharge counter (1) and single-pole double throw disconnecting link (3), list
Knife double-throw disconnecting link (3) is star-like connection, and two input terminals are connected respectively to connection conductor (4), and upper two output end discharges counting respectively
The power end and ground terminal of device (1), next left output end are connected to ground connection band iron (5), and mounting box (2) is fixedly connected on electric pole
(6) on, connection conductor (4) is connected to arrester (7) after being pierced by mounting box (2), and arrester (7) is fixedly connected on insulator foot
(8) on, insulator foot (8) passes through fixed bracket (9) and is connected on electric pole (6), and ground connection band iron (5) upper end is fixedly connected on fixation
On bracket (9).
2. one kind according to claim 1 can charged for replacement discharge counter access device, it is characterised in that: discharge gage
Number device (1) is connected in mounting box (2) by mounting plate (10).
3. one kind according to claim 1 can charged for replacement discharge counter access device, it is characterised in that: hilted broadsword is double
Throwing disconnecting link (3) includes double moving contact of disconnecting link (301), and double moving contact of disconnecting link (301) are rotatably connected on disconnecting link plate (302),
Two input terminals of double moving contact of disconnecting link (301) are electrically connected to two intermediate connection seats (303), the left and right of two intermediate connection seats (303)
Both ends are connected respectively in connection conductor (4) and ground connection band iron (5), and disconnecting link plate (302) is provided with the two of two output ends connection
Two lower junction block (305) that upper junction block (304) connects with lower two output end, the left and right ends difference of junction block (304) on two
It is connected to the power end and ground terminal of discharge counter (1), the left end of two lower junction block (305), which is connected to, is grounded band iron (5), and two
The right end of lower junction block (305) is dielectric support block.
4. one kind according to claim 3 can charged for replacement discharge counter access device, it is characterised in that: disconnecting link plate
(302) it is bolted to connection on support plate (306), support plate (306) is fixedly connected in mounting box (2).
5. one kind according to claim 2 can charged for replacement discharge counter access device, it is characterised in that: mounting plate
(10) it is fixedly connected on mounting box (2) by screw rod (13), multiple horizontal strip through-holes (11) is provided on mounting plate (10),
It is provided with rectangular through-hole (12) in the middle part of mounting plate (10), horizontal strip through-hole (11) is capable of the installation of face discharge counter (1)
Hole is simultaneously fixed by bolts.
6. one kind according to claim 5 can charged for replacement discharge counter access device, it is characterised in that: mounting plate
(10) it is connected on mounting box (2) by four screw rods (13), is locked between screw rod (13) and mounting plate (10) by double nut (14)
Tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820569936.XU CN208443911U (en) | 2018-04-20 | 2018-04-20 | It is a kind of can charged for replacement discharge counter access device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820569936.XU CN208443911U (en) | 2018-04-20 | 2018-04-20 | It is a kind of can charged for replacement discharge counter access device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208443911U true CN208443911U (en) | 2019-01-29 |
Family
ID=65093039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820569936.XU Active CN208443911U (en) | 2018-04-20 | 2018-04-20 | It is a kind of can charged for replacement discharge counter access device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208443911U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508257A (en) * | 2018-04-20 | 2018-09-07 | 贵州电网有限责任公司 | It is a kind of can charged for replacement discharge counter access system |
| CN110208595A (en) * | 2019-07-11 | 2019-09-06 | 广东电网有限责任公司 | A kind of blocks rotation formula counter of lightning arrester device |
-
2018
- 2018-04-20 CN CN201820569936.XU patent/CN208443911U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508257A (en) * | 2018-04-20 | 2018-09-07 | 贵州电网有限责任公司 | It is a kind of can charged for replacement discharge counter access system |
| CN108508257B (en) * | 2018-04-20 | 2023-11-14 | 贵州电网有限责任公司 | Discharge counter access system capable of being replaced in electrified mode |
| CN110208595A (en) * | 2019-07-11 | 2019-09-06 | 广东电网有限责任公司 | A kind of blocks rotation formula counter of lightning arrester device |
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