CN112736789A - Bypass drainage device for low-voltage line of distribution network - Google Patents
Bypass drainage device for low-voltage line of distribution network Download PDFInfo
- Publication number
- CN112736789A CN112736789A CN202011546265.3A CN202011546265A CN112736789A CN 112736789 A CN112736789 A CN 112736789A CN 202011546265 A CN202011546265 A CN 202011546265A CN 112736789 A CN112736789 A CN 112736789A
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- lead
- switch
- binding post
- distribution network
- drainage device
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- 239000002184 metal Substances 0.000 claims description 23
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000008439 repair process Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a bypass drainage device for a low-voltage line of a distribution network, which comprises a shell, a switch, a first wiring terminal, a second wiring terminal, a first lead and a second lead, wherein the switch is arranged on the shell; the switch is arranged at the top of the shell; the first binding post is arranged on one side of the shell; the second binding post is arranged on the other side opposite to one side of the shell; one end of the first lead is connected with one end of the switch; the other end of the first lead is connected with a first binding post; one end of the second wire is connected with the other end of the switch; the other end of the second lead is connected with a second binding post. The device can realize quick repair of broken wires, reduce operation procedures of wire moving and load transferring, reduce power failure time and power failure range, improve efficiency and increase economic benefits.
Description
Technical Field
The invention relates to the technical field of power grids, in particular to a bypass drainage device for a low-voltage line of a distribution network.
Background
Distribution network low voltage line often can cause the broken string trouble because receive external force damage, load current oversize to make wire joint generate heat, oxidation, short circuit etc. need to have a power failure earlier then can carry out the wiring when restoreing the broken string trouble. In addition, when the wire load is transferred and the wire is transferred, the operation can be carried out only by first cutting off the power, and if the wire is directly connected without cutting off the power, electric arcs are generated, so that danger is brought to workers. For example, when a single or two phase lines of a three-phase four-wire low-voltage distribution network line are broken, the load of the wire is transferred, and the wire is moved, the whole distribution area needs to be powered off to operate, and the influence range of the power failure is enlarged. The first-time power failure and second-time power failure operation increases the power failure time and the power failure influence range, reduces the emergency repair and work efficiency, increases the emergency repair work time, and has low economic benefit.
At present, no corresponding device is available for solving the problems, such as the Chinese patent publication No.: CN102394484A, published: 2012-03-28, discloses a method for operating a 10kV on-load change disconnector, which comprises the steps of: insulating and shielding low-voltage electrified components which are possibly touched in the lifting process of the insulating bucket, side phase wires which are closest to the body, an isolating switch, all electrified components which are possibly touched in a working range and a grounding component; taking an insulated drainage wire, and connecting an arc suppression switch on the insulated drainage wire; connecting the insulated drainage wires to two sides of the isolating switch; closing the arc suppression switch and disconnecting the leads at the two ends of the isolating switch; replacing the isolating switch in a non-electric state; installing two end leads of the isolating switch on a new isolating switch; and removing all the insulated shielding tools. However, the method is not suitable for repairing the low-voltage line of the distribution network.
Therefore, in order to reduce the power outage time and the influence and loss caused by the power outage, it is necessary to develop a drainage device that can perform operations such as repairing a broken wire, transferring a load, and moving a wire without power outage.
Disclosure of Invention
The bypass drainage device for the low-voltage line of the distribution network is provided for solving the problems that the power failure time is increased, the working efficiency is reduced and the economic benefit is low in the method of firstly cutting off power and then operating in the prior art, so that the broken line is quickly repaired, the power failure time and the power failure range are reduced, the working efficiency is improved, and the economic benefit is increased.
In order to achieve the purpose of the invention, the technical scheme is as follows: a bypass drainage device for a low-voltage line of a distribution network comprises a shell, a switch with arc extinguishing capability, a first wiring terminal, a second wiring terminal, a first lead and a second lead;
the switch is arranged at the top of the shell; the first binding post is arranged on one side of the shell; the second binding post is arranged on the other side opposite to one side of the shell;
one end of the first lead is connected with one end of the switch; the other end of the first lead is connected with a first binding post;
one end of the second wire is connected with the other end of the switch; the other end of the second lead is connected with a second binding post.
The invention can realize the operation without powering off the distribution area and without powering off the fault line when the line of the low-voltage line of the distribution network is broken, the line is moved and the load is transferred. When the device is used, the switch is turned to be in an off state, then the first binding post and the second binding post are respectively and fixedly connected with the conducting wires at two sides of the broken wire, the switch is turned on, and the broken wire is connected or the wire shifting and load transferring operations are carried out after the fault line is switched on by the device. After the operation is completed, the switch is disconnected, then the wire clamps on the two sides of the circuit are taken down, insulation protection work is done during the operation, and insulation treatment is carried out on the wire clamp fixing position by using an insulation electrician adhesive tape. The device can realize quick repair of broken wires, reduce operation procedures of wire moving and load transferring, reduce power failure time and power failure range, improve efficiency and increase economic benefits.
Preferably, the device further comprises a current transformer and an ammeter; the current transformer is used for detecting the current of the first lead and/or the second lead; and the output end of the current transformer is connected with an ammeter, and a detected current signal is displayed on the ammeter.
Furthermore, the first binding post and the second binding post respectively comprise a metal clamp and a screw rod; screw holes are formed in two opposite sides of the shell; the metal clamp is arranged between the screw rod and the screw hole, namely the screw rod penetrates through the metal clamp to be in threaded connection with the screw hole.
Still further, the metal fixture is made of brass.
Furthermore, the other end of the first lead and the other end of the second lead are both provided with C-shaped metal wiring lugs; the other end of the first lead is connected with a first binding post through a C-shaped metal lug; the other end of the second lead is connected with a second wiring terminal through a C-shaped metal wiring lug.
Still further, the other end of the first lead and the other end of the second lead are also provided with a wiring clamp operating handle; the operating handle of the wiring clamp is respectively wrapped on the other end of the first lead and the other end of the second lead.
Still further, the wiring clamp operating handle is made of insulating plastic materials.
Still further, the switch includes one of electron electromagnetic type arc extinguishing switch, oil formula arc extinguishing switch, the formula of calming anger arc extinguishing load switch.
Still further, the ammeter adopts an electronic indicating type ammeter.
The invention has the following beneficial effects:
the device can realize quick repair of broken wires, reduce operation procedures of wire moving and load transferring, reduce power failure time and power failure range, improve efficiency and increase economic benefits.
Drawings
FIG. 1 is a schematic view showing a connection of a part of the structure of the apparatus described in example 1.
Fig. 2 is a schematic diagram of a packaged device according to embodiment 1.
In the figure, 1-a first lead, 2-a second lead, 3-a switch, 4-a first binding post, 5-a second binding post, 6-a current transformer, 7-an ammeter, 8-a metal clamp, 9-C type metal binding lugs, 10-a binding clamp operating handle and 11-a shell.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1 and fig. 2, a bypass drainage device for a low-voltage line of a distribution network comprises a shell 11, a switch 3 with arc extinguishing capability, a first terminal 4, a second terminal 5, a first lead 1 and a second lead 2;
the switch 3 is arranged at the top of the shell 11; the first binding post 4 is arranged on one side of the shell 11; the second binding post 5 is arranged on the other side opposite to one side of the shell 11;
one end of the first lead 1 is connected with one end of the switch 3; the other end of the first lead 1 is connected with a first binding post 4;
one end of the second lead 2 is connected with the other end of the switch 3; the other end of the second lead 2 is connected with a second binding post 5.
The shell 11 is made of an insulating material, so that the shell has a good insulating effect. And meanwhile, the sealing is carried out, so that water seepage and electric leakage are avoided.
This embodiment can realize joining in marriage net low pressure line disconnection trouble, move the line, when shifting load, need not to have a power failure with the platform district, need not to have a power failure with the trouble line and can operate. When the device is used, the switch 3 is turned to be in an off state, then the first binding post 4 and the second binding post 5 are respectively and fixedly connected with the conducting wires at two sides of the broken wire, the switch 3 is turned on, and the broken wire is connected or the operations of wire moving and load transferring are carried out after the fault line is switched on by the device. After the operation is finished, the switch 3 is disconnected, then the wire clamps on the two sides of the circuit are taken down, insulation protection work is done during the operation, and insulation treatment is carried out by using an insulation electrician adhesive tape. The device can realize quick repair of broken wires, reduce operation procedures of wire moving and load transferring, reduce power failure time and power failure range, improve efficiency and increase economic benefits.
In a specific embodiment, the device further comprises a current transformer 6, an ammeter 7; the current transformer 6 is used for detecting the current of the first conductor 1 and/or the second conductor 2; the output end of the current transformer 6 is connected with an ammeter 7, and the detected current signal is displayed on the ammeter 7.
The current transformer 6 and the ammeter 7 described in the embodiment have an indicating function and also have a function of measuring the current of the lead. When the switch 3 is closed and the fault line is connected by the device, the current transformer 6 detects current data, the ammeter 7 has a reading at the moment, and then the broken line is connected or the line shifting and load shifting operations are carried out. After the operation is finished, the switch 3 is disconnected, the number of the ammeter 7 is zero, then the wire clamps on two sides of the circuit are taken down, and insulation protection work is well done during the operation.
In a specific embodiment, each of the first terminal 4 and the second terminal 5 includes a metal clamp 8 and a screw; screw holes are formed in two opposite sides of the shell 11; the metal clamp 8 is arranged between the screw rod and the screw hole, namely the screw rod penetrates through the metal clamp 8 and is in threaded connection with the screw hole. After the screw rod is loosened, conducting wires on two sides of the broken wire are connected with the screw rod, and the screw rod is screwed down to realize quick connection.
In a specific embodiment, the metal clamp 8 is made of brass, which has good electrical conductivity.
In a specific embodiment, the other end of the first lead 1 and the other end of the second lead 2 are both provided with a C-shaped metal lug 9; the other end of the first lead 1 is connected with a first binding post 4 through a C-shaped metal lug 9; the other end of the second lead 2 is connected with the second binding post 5 through a C-shaped metal lug 9.
In a specific embodiment, the other end of the first conducting wire 1 and the other end of the second conducting wire 2 are further provided with a wiring clamp operating handle 10; the operating handle 10 of the wiring clamp is respectively wrapped on the other end of the first lead 1 and the other end of the second lead 2. The wiring clamp operating handle 10 is made of an insulating plastic material, and the wiring clamp operating handle 10 has an insulating effect and can effectively prevent workers from getting an electric shock in the wiring process.
In a specific embodiment, the switch 3 is a switching operation switch with an arc extinguishing function. The switch 3 has obvious disconnection points and opening and closing identification, and can perform opening and closing operation. The switch comprises one of an electronic electromagnetic arc-extinguishing switch, an oil-type arc-extinguishing switch and a pneumatic arc-extinguishing load switch.
In a specific embodiment, the sizes of the current transformer and the current meter are selected according to the size of the bypass current, specifically, the specification of the current transformer 6 in this embodiment is 300/5a, the current meter 7 can display the current flowing through the first conductor 1 and/or the second conductor 2, and the specification of the current meter 7 is 300/5a and the range is 300A. The ammeter 7 adopts an electronic indicating type ammeter.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a join in marriage net low pressure circuit bypass drainage device which characterized in that: the device comprises a shell, a switch with arc extinguishing capability, a first wiring terminal, a second wiring terminal, a first lead and a second lead;
the switch is arranged at the top of the shell; the first binding post is arranged on one side of the shell; the second binding post is arranged on the other side opposite to one side of the shell;
one end of the first lead is connected with one end of the switch; the other end of the first lead is connected with a first binding post;
one end of the second wire is connected with the other end of the switch; the other end of the second lead is connected with a second binding post.
2. The distribution network low-voltage line bypass drainage device of claim 1, characterized in that: the device also comprises a current transformer and an ammeter; the current transformer is used for detecting the current of the first lead and/or the second lead; and the output end of the current transformer is connected with an ammeter, and a detected current signal is displayed on the ammeter.
3. The distribution network low-voltage line bypass drainage device of claim 2, wherein: the first binding post and the second binding post respectively comprise a metal clamp and a screw rod; screw holes are formed in two opposite sides of the shell; the metal clamp is arranged between the screw rod and the screw hole, namely the screw rod penetrates through the metal clamp to be in threaded connection with the screw hole.
4. The distribution network low-voltage line bypass drainage device of claim 3, wherein: the metal fixture is made of brass.
5. The distribution network low-voltage line bypass drainage device of claim 4, wherein: the other end of the first lead and the other end of the second lead are both provided with C-shaped metal wiring lugs; the other end of the first lead is connected with a first binding post through a C-shaped metal lug; the other end of the second lead is connected with a second wiring terminal through a C-shaped metal wiring lug.
6. The distribution network low-voltage line bypass drainage device of claim 5, wherein: the other end of the first lead and the other end of the second lead are also provided with a wiring clamp operating handle; the operating handle of the wiring clamp is respectively wrapped on the other end of the first lead and the other end of the second lead.
7. The distribution network low-voltage line bypass drainage device of claim 6, wherein: the operating handle of the wiring clamp is made of an insulating plastic material.
8. The distribution network low-voltage line bypass drainage device of claim 7, wherein: the switch comprises one of an electronic electromagnetic arc-extinguishing switch, an oil-type arc-extinguishing switch and a pneumatic arc-extinguishing load switch.
9. The distribution network low-voltage line bypass drainage device of claim 8, wherein: the ammeter adopts an electronic indicating type ammeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546265.3A CN112736789A (en) | 2020-12-23 | 2020-12-23 | Bypass drainage device for low-voltage line of distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546265.3A CN112736789A (en) | 2020-12-23 | 2020-12-23 | Bypass drainage device for low-voltage line of distribution network |
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| Publication Number | Publication Date |
|---|---|
| CN112736789A true CN112736789A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011546265.3A Pending CN112736789A (en) | 2020-12-23 | 2020-12-23 | Bypass drainage device for low-voltage line of distribution network |
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| CN (1) | CN112736789A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069477A (en) * | 2021-11-19 | 2022-02-18 | 国网山东省电力公司莱芜供电公司 | Complete device for fixing arc suppression switch and working method thereof |
| CN114156877A (en) * | 2021-12-03 | 2022-03-08 | 广东电网有限责任公司 | Wire bridging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050892A (en) * | 2012-12-28 | 2013-04-17 | 上海市电力公司 | Uninterruptible-operated bypass connection device applied between European ring main unit and American type ring main unit |
| CN203734209U (en) * | 2014-02-17 | 2014-07-23 | 广东电网公司佛山供电局 | Live working device for cable bypass |
| CN106451220A (en) * | 2016-12-01 | 2017-02-22 | 华北电力科学研究院有限责任公司 | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower |
| CN206931917U (en) * | 2017-05-27 | 2018-01-26 | 国网山东省电力公司临沂供电公司 | Low voltage failure, which does not have a power failure, handles shunting device |
| CN209434505U (en) * | 2019-01-24 | 2019-09-24 | 武汉奋进电力技术有限公司 | A kind of belt current display load bypass drainage device |
| CN110829428A (en) * | 2019-11-27 | 2020-02-21 | 广州供电局有限公司 | Low-voltage quick access communication device and power supply network |
| CN210156822U (en) * | 2019-08-09 | 2020-03-17 | 国网安徽省电力有限公司滁州供电公司 | 10 KV power cable rush-repair and power restoration complete bypass device |
-
2020
- 2020-12-23 CN CN202011546265.3A patent/CN112736789A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050892A (en) * | 2012-12-28 | 2013-04-17 | 上海市电力公司 | Uninterruptible-operated bypass connection device applied between European ring main unit and American type ring main unit |
| CN203734209U (en) * | 2014-02-17 | 2014-07-23 | 广东电网公司佛山供电局 | Live working device for cable bypass |
| CN106451220A (en) * | 2016-12-01 | 2017-02-22 | 华北电力科学研究院有限责任公司 | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower |
| CN206931917U (en) * | 2017-05-27 | 2018-01-26 | 国网山东省电力公司临沂供电公司 | Low voltage failure, which does not have a power failure, handles shunting device |
| CN209434505U (en) * | 2019-01-24 | 2019-09-24 | 武汉奋进电力技术有限公司 | A kind of belt current display load bypass drainage device |
| CN210156822U (en) * | 2019-08-09 | 2020-03-17 | 国网安徽省电力有限公司滁州供电公司 | 10 KV power cable rush-repair and power restoration complete bypass device |
| CN110829428A (en) * | 2019-11-27 | 2020-02-21 | 广州供电局有限公司 | Low-voltage quick access communication device and power supply network |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069477A (en) * | 2021-11-19 | 2022-02-18 | 国网山东省电力公司莱芜供电公司 | Complete device for fixing arc suppression switch and working method thereof |
| CN114069477B (en) * | 2021-11-19 | 2024-02-20 | 国网山东省电力公司莱芜供电公司 | Complete device for fixing arc suppression switch and working method thereof |
| CN114156877A (en) * | 2021-12-03 | 2022-03-08 | 广东电网有限责任公司 | Wire bridging device |
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Application publication date: 20210430 |
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