CN212784730U - Cable branch box with protection function - Google Patents
Cable branch box with protection function Download PDFInfo
- Publication number
- CN212784730U CN212784730U CN202021799345.5U CN202021799345U CN212784730U CN 212784730 U CN212784730 U CN 212784730U CN 202021799345 U CN202021799345 U CN 202021799345U CN 212784730 U CN212784730 U CN 212784730U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- cable
- cable branch
- box
- branch box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a cable branch box with safeguard function, including box and chamber door, locate the circuit breaker in the box, the circuit breaker is including the isolation circuit breaker and two at least circuit breakers of being qualified for the next round of competitions that set up from top to bottom, and isolation circuit breaker and two at least circuit breakers of being qualified for the next round of competitions are electric to be linked to each other, and cable branch box is still including installing in the box and being located the guard plate that the circuit breaker is close to chamber door one side, and the upper and lower both ends of guard plate can the complex overlap joint. The utility model discloses a cable branch box through set up the guard plate between circuit breaker and chamber door, and the upper and lower both ends of guard plate can the overlap joint respectively on isolation circuit breaker and the circuit breaker of being qualified for the next round of competitions for the maintainer is opening the chamber door and the switching when being qualified for the next round of competitions the circuit breaker, and the guard plate can prevent the electric flashover to launch towards the maintainer, has protected maintainer's personal safety, has stopped the potential safety hazard.
Description
Technical Field
The utility model relates to a cable branch case field, concretely relates to cable branch case with safeguard function.
Background
Cable breakout boxes are commonly used for incoming and outgoing lines of power transmission lines to distribute power to customer homes. An isolation breaker and an outgoing line breaker are installed in the cable branch box and are respectively used for controlling incoming lines and outgoing lines of cables. The incoming cable is connected to the isolating circuit breaker, the outgoing cable is connected to the outgoing circuit breaker, and an intermediate cable is connected between the isolating circuit breaker and the outgoing circuit breaker.
In the process of using electricity by a user, a circuit breaker needs to be opened and closed to overhaul a line inlet sometimes. However, the existing outgoing line circuit breaker is usually directly installed in a cable branch box, no protection is provided on the peripheral side of the outgoing line circuit breaker, when the outgoing line circuit breaker is opened and closed, electric flashover can be generated at the connection position of the outgoing line circuit breaker and an intermediate cable and the electric flashover can be ejected towards maintenance personnel, and great potential safety hazards are caused.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, provide a cable branch box with safeguard function.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a cable branch case with safeguard function, includes box and chamber door, locates circuit breaker in the box, the circuit breaker is including the isolation circuit breaker and two at least circuit breakers of being qualified for the next round of competitions that set up from top to bottom, isolation circuit breaker with two at least circuit breakers of being qualified for the next round of competitions electricity link to each other, cable branch case still including install in just be located in the box the circuit breaker is close to the guard plate of chamber door one side, the upper and lower both ends of guard plate respectively can the complex overlap joint in isolation circuit breaker with be qualified for the next round of competiti.
Preferably, the circuit breaker of being qualified for the next round of competitions has three and sets up along the horizontal direction interval, the lower extreme of guard plate can the complex overlap joint in proper order the three circuit breaker of being qualified for the next round of competitions on.
Further preferably, the outgoing line breaker comprises a housing and a breaker switch arranged on the housing, the protection plate is lapped on the housing, and the breaker switch is located below the protection plate.
Preferably, isolation circuit breaker includes the circuit breaker body, encloses to locate circuit breaker body week side's housing, mobilizable locating movable handle on the housing, movable handle can the complex penetrate in the housing and with the circuit breaker body is connected.
Further preferably, the guard plate and the cover are made of transparent materials.
Preferably, the cable branch box further comprises a first support arranged in the box body, and the isolation circuit breaker and the outgoing line circuit breaker are respectively arranged on the upper portion and the middle portion of the first support.
Further preferably, the cable branch box further comprises two second supports respectively arranged on two sides of the first support in the width direction, and the left end and the right end of the protection plate are detachably connected to the two second supports respectively.
Further preferably, the cable branch box further comprises at least two cable outlets arranged at the bottom of the box body, and an anchor ear for fixing a cable, which is arranged on the lower portion of the first support and corresponds to the at least two cable outlets, wherein one end of the cable is connected to the outgoing line breaker, and the other end of the cable can sequentially penetrate through the anchor ear and the cable outlets in a matched manner.
Still further preferably, the cable branch box further comprises an insulating cover covering the cable outlet, a cover opening is formed in the insulating cover, and the cable can penetrate through the cover opening in a matched mode.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a cable branch box through set up the guard plate between circuit breaker and chamber door, and the upper and lower both ends of guard plate can the overlap joint respectively on isolation circuit breaker and the circuit breaker of being qualified for the next round of competitions for the maintainer is opening the chamber door and the switching when being qualified for the next round of competitions the circuit breaker, and the guard plate can prevent the electric flashover to launch towards the maintainer, has protected maintainer's personal safety, has stopped the potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of a cable branch box according to an embodiment of the present invention.
In the figure: 1. a box body; 2. a box door; 3. an isolation circuit breaker; 31. a circuit breaker body; 32. a housing; 33. a movable handle; 4. an outgoing line breaker; 41. a housing; 42. a cut-off switch; 5. a protection plate; 6. a first bracket; 7. a second bracket; 8. a cable outlet; 9. hooping; 10. an insulating cover; 11. and (4) covering the opening.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model relates to an improvement to cable branch box. The improved cable branch box with the protection function has the advantages that the protection plate is arranged between the circuit breaker and the box door, the upper end and the lower end of the protection plate can be respectively connected with the isolation circuit breaker and the outgoing line circuit breaker in a lap joint mode, so that when an overhaul person opens the box door and opens and closes the outgoing line circuit breaker, the protection plate can prevent electric flashover from being ejected towards the overhaul person, the personal safety of the overhaul person is protected, and potential safety hazards are avoided.
Referring to fig. 1, wherein a cable branch box with a protection function is shown, including box 1 and chamber door 2, locate the circuit breaker in the box 1, the circuit breaker includes isolation circuit breaker 3 and two at least circuit breaker 4 of being qualified for the next round of competitions that set up from top to bottom, isolation circuit breaker 3 and two at least circuit breaker 4 of being qualified for the next round of competitions are electric continuous, cable branch box is still including installing in box 1 and being located the guard plate 5 that the circuit breaker is close to 2 one side of chamber door, the upper and lower both ends of guard plate 5 can the matched with overlap joint on isolation circuit breaker 3 and circuit breaker 4 of. So, when the maintainer switching circuit breaker 4 that is qualified for the next round of competitions, even the junction of circuit breaker and intermediate cable that is qualified for the next round of competitions has produced electric flashover and outwards has launched, protection plate 5 also can be fine blocks that electric flashover contacts the maintainer, has guaranteed maintainer's safety.
Further, the outlet circuit breaker 4 includes a housing 41, and a cut-off switch 42 disposed on the housing 41, wherein the protection plate 5 is overlapped on the housing 41, and the cut-off switch 42 is located below the protection plate 5. The cut-off switch 42 is located below the protection plate 5, so that the protection plate 5 can protect the electric flashover and simultaneously cannot influence the operation of a maintenance worker on the cut-off switch.
In this example, there are three outgoing line breakers 4 and are arranged at intervals along the horizontal direction, and the lower end of the protection plate 5 can be sequentially overlapped on the three outgoing line breakers 4 in a matched manner.
The disconnecting circuit breaker 3 comprises a circuit breaker body 31, a housing 32 surrounding the circuit breaker body 31, and a movable handle 33 movably arranged on the housing 32, wherein the movable handle 33 can be matched with the housing 32 to penetrate into the housing 31 and is connected with the circuit breaker body 31. So, through set up housing 32 in circuit breaker body 31 week side, can wrap up circuit breaker body 31 completely, can effectually avoid the electric flashover that isolation circuit breaker 3 produced outwards to launch. And the movable handle 33 can control the opening and closing of the disconnecting circuit breaker 3 so that the setting of the housing 32 does not affect the operation of the disconnecting circuit breaker 3 itself.
Preferably, the protection plate 5 and the cover casing 32 are made of transparent materials. The transparent material can be made of any existing material and can be selected according to needs, and the transparent characteristic of the transparent material can facilitate the maintainers to observe the condition of the circuit breaker.
The cable branch box further comprises a first support 6 arranged in the box body 1 and two second supports 7 respectively arranged on two sides of the first support 6 in the width direction, the isolation circuit breaker 3 and the outgoing line circuit breaker 4 are respectively installed on the upper portion and the middle portion of the first support 6, and the left end and the right end of the protection plate 5 are respectively connected onto the two second supports 7 through bolts in a detachable mode.
Further, the cable branch box further comprises at least two cable outlets 8 arranged at the bottom of the box body 1, and an anchor ear 9 which is arranged at the lower part of the first support 6 and corresponds to the at least two cable outlets 8 and is used for fixing the cable, wherein one end of the cable is connected to the outgoing line breaker 4, and the other end of the cable can be matched with the anchor ear 9 and the cable outlets 8 to sequentially pass through.
Further, the cable branch box further comprises an insulating cover 10 covering the cable outlet 8, a cover opening 11 is formed in the insulating cover 10, and the cable can penetrate through the cover opening 11 in a matched mode. Thus, insulation between the cable peripheral side and the case 1 can be ensured. The insulating cover 10 is a rubber cover, and a plurality of circles of concentric threads with gradually increasing diameters are pre-processed on the rubber cover and are used for matching the size of the cable, and the corresponding threads are cut according to the size of the cable to obtain a cover opening 11 with the corresponding size.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a cable branch case with safeguard function, includes box (1) and chamber door (2), locates circuit breaker in box (1), its characterized in that: the circuit breaker is including isolation circuit breaker (3) and two at least circuit breaker (4) of being qualified for the next round of competitions that set up from top to bottom, isolation circuit breaker (3) with two at least circuit breaker (4) of being qualified for the next round of competitions electricity link to each other, the cable branch case still including install in just be located in box (1) the circuit breaker is close to guard plate (5) of chamber door (2) one side, the upper and lower both ends of guard plate (5) respectively can the complex overlap joint in isolation circuit breaker (3) with be qualified for the next round of competitions on the circuit breaker (4).
2. The cable branch box with the protection function according to claim 1, wherein: the outgoing line circuit breakers (4) are arranged in a three mode and are arranged at intervals along the horizontal direction, and the lower ends of the protection plates (5) can be sequentially connected with the three outgoing line circuit breakers (4) in a matched mode in a lap joint mode.
3. The cable branch box with the protection function according to claim 1 or 2, wherein: the outgoing line breaker (4) comprises a shell (41) and a breaker switch (42) arranged on the shell (41), the protection plate (5) is lapped on the shell (41), and the breaker switch (42) is located below the protection plate (5).
4. The cable branch box with the protection function according to claim 1, wherein: isolation circuit breaker (3) include circuit breaker body (31), enclose and locate casing (32), mobilizable the locating of circuit breaker body (31) week side movable handle (33) on casing (32), movable handle (33) can the complex penetrate in casing (32) and with circuit breaker body (31) are connected.
5. The cable branch box with the protection function according to claim 4, wherein: the protection plate (5) and the cover shell (32) are made of transparent materials.
6. The cable branch box with the protection function according to claim 1, wherein: the cable branch box further comprises a first support (6) arranged in the box body (1), and the isolation circuit breaker (3) and the outgoing line circuit breaker (4) are respectively arranged on the upper portion and the middle portion of the first support (6).
7. The cable branch box with the protection function according to claim 6, wherein: the cable branch box further comprises two second supports (7) which are arranged on two sides of the first support (6) in the width direction, and the left end and the right end of the protection plate (5) are detachably connected to the two second supports (7) respectively.
8. The cable branch box with the protection function according to claim 6, wherein: the cable branch box further comprises at least two cable outlets (8) arranged at the bottom of the box body (1), and hoops (9) which are arranged on the lower portion of the first support (6) and correspond to the at least two cable outlets (8) and used for fixing cables, wherein one end of each cable is connected to the outgoing line circuit breaker (4), and the other end of each cable can penetrate through the hoops (9) and the cable outlets (8) in sequence in a matched mode.
9. The cable branch box with the protection function according to claim 8, wherein: the cable branch box further comprises an insulating cover (10) covering the cable outlet (8), a cover opening (11) is formed in the insulating cover (10), and the cable can penetrate through the cover opening (11) in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799345.5U CN212784730U (en) | 2020-08-25 | 2020-08-25 | Cable branch box with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799345.5U CN212784730U (en) | 2020-08-25 | 2020-08-25 | Cable branch box with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212784730U true CN212784730U (en) | 2021-03-23 |
Family
ID=75054687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021799345.5U Active CN212784730U (en) | 2020-08-25 | 2020-08-25 | Cable branch box with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212784730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530817A (en) * | 2022-02-16 | 2022-05-24 | 江西俊朗电力装备有限公司 | Multifunctional cable branch box |
-
2020
- 2020-08-25 CN CN202021799345.5U patent/CN212784730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530817A (en) * | 2022-02-16 | 2022-05-24 | 江西俊朗电力装备有限公司 | Multifunctional cable branch box |
| CN114530817B (en) * | 2022-02-16 | 2023-08-04 | 江西俊朗电力装备有限公司 | Multifunctional cable branch box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101577969B1 (en) | Multifunctional protective arc distribution box and its operation method | |
| CN212784730U (en) | Cable branch box with protection function | |
| KR101297551B1 (en) | Modular switchgear for arc protection | |
| CN209658745U (en) | A kind of power grid protective device that falls to power | |
| CN205282117U (en) | Do benefit to troubleshooting and lap guard line type cable | |
| CN201259841Y (en) | Lagged type sensor for breaking when cover opening | |
| KR100991120B1 (en) | Branch sleeve of power line | |
| CN208923564U (en) | A kind of safety low-pressure comprehensive distribution box | |
| CN210838587U (en) | Low-voltage protection box of hinge connection mechanism | |
| CN209216872U (en) | A kind of transformer vacuum switch | |
| CN106921122A (en) | The environmentally friendly full-insulated full-sealed miniaturization switch cubicle of gas | |
| CN217563156U (en) | Box-type transformer substation high-voltage cabinet support frame and box-type transformer substation | |
| CN203193175U (en) | Lightning-protection double-case environmentally friendly gas-insulated metal-enclosed switchgear | |
| CN217114219U (en) | Three-station vacuum circuit breaker | |
| CN205863034U (en) | Disconnecting switch privacy protection set | |
| CN109980572A (en) | A kind of power grid fall to power protective device and installation and application | |
| CN207282911U (en) | A kind of closedown structure of transformer substation grounding wire | |
| CN206023024U (en) | A kind of Medium Voltage Switchgear with secondary backplate | |
| CN206237033U (en) | A kind of portable armored mid-set metal enclosed switchgear | |
| CN2397589Y (en) | High voltage isolation switch cover | |
| CN213341413U (en) | Unit type SF6 gas insulation ring main unit with circuit breaker | |
| KR20040092600A (en) | Toggle type earthing switch of ring main unit | |
| KR101036585B1 (en) | Automatic type load switch with discharge function | |
| CN203967554U (en) | Flameproof mining mobile transformer substation low-voltage variation case | |
| CN215600894U (en) | Low-voltage protection device for mining explosion-proof and intrinsically safe transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |