CN106684720A - Junction box - Google Patents
Junction box Download PDFInfo
- Publication number
- CN106684720A CN106684720A CN201510785653.XA CN201510785653A CN106684720A CN 106684720 A CN106684720 A CN 106684720A CN 201510785653 A CN201510785653 A CN 201510785653A CN 106684720 A CN106684720 A CN 106684720A
- Authority
- CN
- China
- Prior art keywords
- voltage terminal
- low
- junction box
- casing
- box according
- 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.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/40—Wall-mounted casings; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulating Bodies (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention aims at providing a user-line junction box. The junction box comprises a box body and protectors against electric leakage, an installation plate is fixedly arranged in the box body, the protectors against electric leakage are arranged on the installation plate, an incoming wire low-voltage terminal row and an outgoing wire low-voltage terminal row are arranged under the installation plate horizontally in parallel and separated from each other, fixing metal slip buckles are arranged on the incoming wire low-voltage terminal row and the outgoing wire low-voltage terminal row respectively, and the bottom end of the box body is provided with wire incoming and outgoing holes. Due to arrangement of the installation plate, installation positions for the protectors are provided, and the protectors are arranged tidily and prevented from falling off, the whole box prevents the protectors against electric leakage from damage caused from the external environment, the incoming and outgoing wire low-voltage terminal rows ensure high insulation performance of joints, and problems as short circuit and burnout are prevented. The junction box is high in insulation and safety performances, and provides guarantee for user safety.
Description
Technical field
The present invention relates on distribution line security protection technology field, more particularly to a kind of 0.4kV circuits wall part connection junction box.
Background technology
The low pressure ammeter box outlet of electric line and the tie point of subscriber's drop are very important key points, and it is related to the key of the quality of power supply of low-voltage customer and safety problem.Because low-voltage power electricity box design existing defects, electricity box outlet, often using winding or placed side by side, thus has the harm of two aspects with the jointing of service-wire to the safe operation of distribution line.On the one hand, after the operation regular period, by surrounding environment influence, the insulating properties of the insulating tape of joint can be gradually lowered, especially in the rainy season of summer, because humidity causes insulating properties drastically to decline, phase fault is easily formed between joint, cause circuit to burn, cause power outage, the safe operation to distribution line to work the mischief；On the other hand, the peak of power consumption period such as during summer, the Spring Festival, because customer charge is higher, electric current is larger, and blank area is because contact area is little etc., and factor causes conductor joint heating, and multiple joints are together, Yi Yin overheated causing and the insulating properties of insulating tape can drastically decline, the overheated generation for even resulting in the phenomenons such as insulating tape thawing, so as to cause phase fault, endangers the safe operation of distribution line, and such potential safety hazard pole fire hazardous, cause device damage and jeopardize personal safety.
The content of the invention
Present invention aim at providing the entrance line junction box that a kind of insulating properties are superior, have a safety feature, can protect user security.
In order to achieve the above object, the technical solution used in the present invention is：The present invention includes casing and earth leakage protective device; box house is fixed with installing plate; installing plate is provided with earth leakage protective device; the lower section of installing plate is laterally interval with side by side inlet wire low-voltage terminal row and outlet low-voltage terminal block; inlet wire low-voltage terminal is arranged and is respectively equipped with fixed metal knot that can be undone by a pull with outlet low-voltage terminal block, and in the bottom of casing entrance hole and wire hole are provided with.The effect that the setting of installing plate can provide installation site and marshalling for earth leakage protective device; be not in that earth leakage protective device comes off; casing protects on the whole earth leakage protective device not destroyed by external environment; into and out of line low-voltage terminal, row ensure that splice insulation superior performance, be not in line short and the problems such as burn.
Described casing is preferably made using PVC material.
18 fixed metal knots that can be undone by a pull are respectively equipped with described inlet wire low-voltage terminal row and outlet low-voltage terminal block.The earth leakage protective device of the present invention preferably selects quantity for 8, so the fixed metal knot that can be undone by a pull arranged into and out of line low-voltage terminal that correspondence is adopted is respectively 18, amounts to 36 fixed metal knots that can be undone by a pull.
Described inlet wire low-voltage terminal row and outlet low-voltage terminal block preferably adopts rubber, PVC and ceramics.Good insulation preformance, the higher material of hardness can be used as the production material arranged into and out of line low-voltage terminal.
Described fixed metal knot that can be undone by a pull fixes a diameter of 5mm～10mm of wire rod.
Described casing is provided with cabinet door, and cabinet door upper lateral is provided with 2 row transparency windows, in the bottom of casing and cabinet door lockset hole is correspondingly provided with respectively.On casing transparency window it is corresponding be earth leakage protective device installation site, the working condition of earth leakage protective device can be seen by transparency window.
The earth leakage protective device of described box house preferably adopts 8.
The installing plate side of described casing is provided with and is fixedly connected through hole, and fixing bolt is fixedly attached on body of wall with being fixedly connected through hole and using cooperatively by of the invention overall, when being fixedly connected, preferably using the liftoff at least height of 1.8m.
The protection voltage of described earth leakage protective device is 0.4KV.That is, the voltage of the operating circuit of the present invention is 0.4KV.
The present invention substitutes traditional line joint colligation side by side; using body structure; the phenomenon such as conductor joint heating, aging is prevented; so as to avoiding line short, the generation of failure such as burn; and the safety utilization of electric power for low-voltage customer provides protection and ensures; the power supply reliability of low-voltage distributing line is further increased, insulating properties of the present invention are superior, have a safety feature, safely provided sound assurance for user.
Description of the drawings
Fig. 1 internal structure schematic diagrams of the present invention；
Fig. 2 structural representations of casing 1 of the present invention；
Fig. 3 is structural representation when casing of the present invention 1 is opened in Fig. 2.
In figure：1 casing；2 installing plates；3 entrance holes；4 wire holes；5 inlet wire low-voltage terminals are arranged；6 outlet low-voltage terminal blocks；7 earth leakage protective devices；8 fix metal knot that can be undone by a pull.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
Including casing and earth leakage protective device; installing plate 2 is fixed with inside casing 1; installing plate 2 is provided with earth leakage protective device 7; the lower section of installing plate 2 is laterally interval with side by side inlet wire low-voltage terminal row 5 and outlet low-voltage terminal block 6; fixed metal knot that can be undone by a pull 8 is respectively equipped with inlet wire low-voltage terminal row 5 and outlet low-voltage terminal block 6, in the bottom of casing 1 entrance hole 3 and wire hole 4 are provided with.
Described casing 1 is preferably made using PVC material.
Described inlet wire low-voltage terminal to be arranged and be respectively equipped with 18 fixed metal knots that can be undone by a pull 8 in 5 and outlet low-voltage terminal block 6.
Described inlet wire low-voltage terminal row 5 and outlet low-voltage terminal block 6 preferably adopts rubber, PVC and ceramics.
Described fixed metal knot that can be undone by a pull 8 fixes a diameter of 5mm～10mm of wire rod.
Described casing 1 is provided with cabinet door 101, and the upper lateral of cabinet door 101 is provided with two row transparency windows 102, in the bottom of casing 1 and cabinet door 101 lockset hole 103 is correspondingly provided with respectively.
Earth leakage protective device 7 inside described casing 1 preferably adopts 8.
The side of installing plate 2 of described casing 1 is provided with and is fixedly connected through hole, and fixing bolt is fixedly attached on body of wall with being fixedly connected through hole and using cooperatively by of the invention overall, when being fixedly connected, preferably using the liftoff at least height of 1.8m.
The protection voltage of described earth leakage protective device 7 is 0.4KV.
The present invention is when in use; inlet wire wiring is entered into the inside of casing 1 by entrance hole 3; inlet wire is connected on inlet wire low-voltage terminal row 5 by fixed metal knot that can be undone by a pull 8; wiring is drawn from inlet wire low-voltage terminal row 5 to be connected on earth leakage protective device 7; wiring is drawn from earth leakage protective device 7 and is connected in outlet low-voltage terminal block 6 with fixed metal knot that can be undone by a pull 8; inlet wire is drawn from outlet low-voltage terminal block 6 and is connected to user house, complete whole wiring process；Secondly, entirety of the invention is fixedly attached on more than 1.8 body of wall from the ground using fixing bolt, is preferably installed in the side of user's counter box, the present invention is installed.
Claims (7)
1. a kind of junction box, including casing and earth leakage protective device, it is characterised in that：Peace is fixed with inside casing (1)
Dress plate (2), installing plate (2) is provided with earth leakage protective device (7), and the lower section of installing plate (2) is laterally interval with side by side inlet wire
Low-voltage terminal arranges (5) and outlet low-voltage terminal block (6), divides on inlet wire low-voltage terminal row (5) and outlet low-voltage terminal block (6)
Fixed metal knot that can be undone by a pull (8) is not provided with, in the bottom of casing (1) entrance hole (3) and wire hole (4) are provided with.
2. junction box according to claim 1, it is characterised in that：Described casing (1) preferably adopts PVC
Material is made.
3. junction box according to claim 1, it is characterised in that：Described inlet wire low-voltage terminal is arranged (5) and is gone out
18 fixed metal knots that can be undone by a pull (8) are respectively equipped with line low-voltage terminal row (6).
4. the junction box according to claim 1 or 3, it is characterised in that：Described inlet wire low-voltage terminal row (5)
Rubber, PVC and ceramics are preferably adopted with outlet low-voltage terminal block (6).
5. the junction box according to claim 1 or 3, it is characterised in that：Described fixed metal knot that can be undone by a pull (8) is solid
A diameter of 5mm～10mm of alignment material.
6. junction box according to claim 1 and 2, it is characterised in that：Described casing (1) is provided with cabinet door
(101), cabinet door (101) upper lateral is provided with 2 row transparency windows (102), at casing (1) and the bottom of cabinet door (101)
Portion is correspondingly provided with respectively lockset hole (103).
7. junction box according to claim 1, it is characterised in that：The internal earth leakage protective of described casing (1)
Device preferably adopts 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785653.XA CN106684720A (en) | 2015-11-07 | 2015-11-07 | Junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785653.XA CN106684720A (en) | 2015-11-07 | 2015-11-07 | Junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106684720A true CN106684720A (en) | 2017-05-17 |
Family
ID=58864941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510785653.XA Withdrawn CN106684720A (en) | 2015-11-07 | 2015-11-07 | Junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106684720A (en) |
-
2015
- 2015-11-07 CN CN201510785653.XA patent/CN106684720A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170517 |