CN203166311U - Digital cable branch box - Google Patents
Digital cable branch box Download PDFInfo
- Publication number
- CN203166311U CN203166311U CN2013201421352U CN201320142135U CN203166311U CN 203166311 U CN203166311 U CN 203166311U CN 2013201421352 U CN2013201421352 U CN 2013201421352U CN 201320142135 U CN201320142135 U CN 201320142135U CN 203166311 U CN203166311 U CN 203166311U
- Authority
- CN
- China
- Prior art keywords
- cable branch
- reactive power
- box body
- power compensation
- 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.)
- Expired - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model relates to a digital cable branch box which comprises a box body. The inner part of the box body is divided into three mutually independent chambers which are a power distribution chamber, a reactive power compensation chamber and a measuring chamber; an incoming line hole and an outgoing line hole in the side surfaces of the box body are internally provided with stainless steel waterproof elbows; the inner part of the box body and a shell of the box body are connected to a grounding protection device; and an isolation switch and an automatic reclosing intelligent residual current circuit breaker are connected through a copper bar cable; a sampling current transformer transmits current signals in the circuit to a multifunctional reactive power compensation controller, and the multifunctional reactive power compensation controller controls an intelligent integrated capacitor; and a fuse knife switch is connected with the intelligent integrated capacitor. The digital cable branch box occupies small area, and is compact in structure, high in protective properties, waterproof and rustproof. The circuit breaker can reclose automatically, the power factor of a power grid is improved, unbalanced current is compensated, iron loss and copper loss of the transformer are reduced, and the power supply quality is improved. Users can additionally install equipment such as measuring watt hour meters and the like, thereby being convenient for measuring personnel to read and check.
Description
Technical field
The utility model relates to a kind of digitlization cable branch box.
Background technology
Feeder pillar is a kind of common controller switching equipment, and there is following shortcoming in the common feeder pillar of existing market:
1, body structure is single, and volume is bigger, and fail safe is relatively poor.
2, only provide simple distributing function, to electrical network and client terminal unprotect function.
3, behind the user terminal fault trip, need user's closing by hand.
Summary of the invention
Take up room greatly in order to overcome existing feeder pillar, deficiencies such as performance of ventilation and heat dispersion is poor, function singleness, the utility model provides a kind of digitlization cable branch box, this feeder pillar not only volume is little, and can provide intelligentized distribution service for the client easily.
The technical scheme that its technical problem that solves the utility model adopts is:
The digitlization cable branch box, comprise casing, it is characterized in that, box house is divided into three switchgear houses independently each other, reactive power compensation chamber and measuring room, described switchgear house, reactive power compensation chamber and measuring room adopt insulating barrier to isolate sealing, described switchgear house is provided with the intelligent residual current circuit breaker of isolating switch, sampled current transformer and automatic reclosing, described reactive power compensation chamber is provided with multi-functional idle compensating control, intelligent integral capacitor and switch with knifeshaped fuse, and described measuring room is provided with electricity-measuring meter; Described isolating switch is connected by the copper bar line with the intelligent residual current circuit breaker of automatic reclosing; Described sampled current transformer is sent to multi-functional idle compensating control with current signal in the circuit, multi-functional idle compensating control control intelligent integral capacitor; Described switch with knifeshaped fuse links to each other with the intelligent integral capacitor.
Described casing side has entrance hole and wire hole, and described casing side also has louvre, in the described louvre Air Filter is installed, and described measuring room side is provided with the perspective window.
In the described entrance hole and in the wire hole stainless steel waterproof elbow is installed, adopts the rubber cushion sealing between described stainless steel waterproof elbow and the casing.
Described box house is provided with the ground protection conductor, and the shell of described casing is connected with earthing device, and described earthing device is connected by bolt with the peripheral hardware grounding system.
Cabinet shell stainless steel material in the utility model, casing adopts box frame to reinforce, and box frame adopts the 4# Zinc-coated angle steel, and body structure is rainproof, dustproof, antitheft, heat insulation, ventilation and heat, be divided into three closed cells independently each other in the cabinet, the place of being electrically connected adopts the insulating barrier sealing.The side inlet wire, the side outlet arranges stainless steel waterproof elbow, and four wire holes (being distributed in the casing both sides) dispose waterproof pad between elbow and casing, advance wire hole and all adopt and be not less than the shutoff of 2.0mm epoxy resin board.Processing louvre in casing body both sides adds the stainless steel Air Filter in the louvre.Arrange in the casing and a special-purpose ground protection conductor is installed, and answer the electrical continuity of assurance device grounding system.Cabinet shell arranges earthing device, and this device can adopt bolt to be connected with the peripheral hardware grounding system, satisfies the anticorrosion requirement.The power outgoing line device adopts high breaking automatic reclosing residual current circuit breaker (full-automatic comprehensive power distribution protective device), and circuit breaker integrates protection and automatic reclosings such as overload, short circuit, phase shortage, under-voltage, overvoltage, gradual electric leakage, sudden change electric leakage.Short circuit breaking capacity is not less than the 50kA(H level).The automatic circuit residual electricity of circuit breaker flow valuve, residual electricity flow valuve when fault leakage tripping phase sequence and demonstration tripping operation.Circuit breaker can be followed the tracks of the circuit residual current automatically, increases automatically or reduces the operating value gear.Circuit breaker has memory function, shows automatic reclosing number of times and total combined floodgate number of times of earth leakage protective device.Box house is separated out and aims at the independent cell of metering that the power supply metering device is installed and used, and separates with shrouding with other chambers, and the cabinet door can add lead sealing and locked.Except turnover line (primary line and secondary line) necessary passage (hole), do not have the condition that other can make external object enter, make things convenient for metrological personnel to check meter, check.
The beneficial effects of the utility model are:
1, little, the compact conformation of casing floor space, protective height are rainproof, antirust.
2, after the user terminal leakage tripping, the circuit breaker automatic reclosing need not client's closing by hand in person.
3, improve power factor of electric network, the compensation unsymmetrical current, the compensating reactive power electric current reduces current in middle wire greatly, and tri-phase unbalance factor is lower than 10%, reduces the transformer neutral point skew, reduces iron loss, the copper loss of transformer, improves power supply quality.
4, the user can singly be installed equipment such as electricity-measuring meter additional, makes things convenient for metrological personnel to check meter, and checks.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is lateral plan of the present utility model.
Fig. 3 is vertical view of the present utility model.
Fig. 4 is turnover line structural map of the present utility model.
Fig. 5 is chamber, reactive power compensation of the present utility model chamber and measuring room structural map.
1. stainless steel waterproof elbow, 2. louvre, 3. switchgear house; 4. reactive power compensation chamber, 5. measuring room, 6. epoxy sealing plate; 7. isolating switch; 8. sampled current transformer, the 9. intelligent residual current circuit breaker of automatic reclosing, 10. multi-functional idle compensating control; 11. Surge Protector; 12. the intelligent integral capacitor, 13. switch with knifeshaped fuse, 14. electricity-measuring meters.
Embodiment
Be described further this use is novel below in conjunction with the drawings and specific embodiments.
The digitlization cable branch box, comprise casing, described box house is divided into each other independently switchgear house 3, reactive power compensation chamber 3 and measuring room 5, described switchgear house 3, reactive power compensation chamber 4 and measuring room 5 adopt epoxy sealing plate 6 to isolate sealing, described casing side has entrance hole and wire hole, described casing side also has louvre 2, in the described louvre 2 Air Filter is installed, and described measuring room side is provided with the perspective window.
In the described entrance hole and in the wire hole stainless steel waterproof elbow 1 is installed, adopts the rubber cushion sealing between described stainless steel waterproof elbow 1 and the casing.
Described box house is provided with the ground protection conductor, and described cabinet shell is connected with earthing device, and described earthing device is connected by bolt with the peripheral hardware grounding system.
Described switchgear house is provided with the intelligent residual current circuit breaker 9 of isolating switch 7, sampled current transformer 8 and automatic reclosing, described reactive power compensation chamber is provided with multi-functional idle compensating control 10, intelligent integral capacitor 12 and switch with knifeshaped fuse 13, and described measuring room is provided with electricity-measuring meter 14; Described isolating switch 7 is connected by the copper bar line with the intelligent residual current circuit breaker 9 of automatic reclosing; Described sampled current transformer 8 is sent to multi-functional idle compensating control 10 with current signal in the circuit, multi-functional idle compensating control 10 control intelligent integral capacitors 12; Described switch with knifeshaped fuse 13 links to each other with intelligent integral capacitor 12.
In Fig. 1, stainless steel waterproof elbow 1 adopts the manufacturing of stainless steel rush-resisting material, and the bent tube type structure prevents that rainwater from entering casing, increasing the casing degree of protection.
In Fig. 2, louvre 2 adopts punching press type heat dissipation ventilation louvre, disposable Digit Control Machine Tool punching press, intensity height, attractive in appearance, rainproof, insect protected, ventilation and heat.
Among Fig. 3,5 three functional unit cells of switchgear house 3 and reactive power compensation chamber 4 and measuring room are separate, multiple functional, are user-friendly to maintenance.
In Fig. 4, an example shown in Figure 5; epoxy sealing plate 6 is with each function cell junction insulated enclosure; the intelligent residual current circuit breaker of inlet wire side isolating switch 7 and subordinate automatic reclosing 9 is connected by copper bar; sampled current transformer 8 provides sampling current for multi-functional idle compensating control 10; make things convenient for controller to control intelligent integral capacitor 12 compensation network reactive powers at any time; Surge Protector 11 is installed, the safety of protection power consumption equipment in the casing circuit.
Claims (4)
1. digitlization cable branch box, comprise casing, it is characterized in that, box house is divided into three switchgear houses independently each other, reactive power compensation chamber and measuring room, described switchgear house, reactive power compensation chamber and measuring room adopt insulating barrier to isolate sealing, described switchgear house is provided with the intelligent residual current circuit breaker of isolating switch, sampled current transformer and automatic reclosing, described reactive power compensation chamber is provided with multi-functional idle compensating control, intelligent integral capacitor and switch with knifeshaped fuse, and described measuring room is provided with electricity-measuring meter; Described isolating switch is connected by the copper bar line with the intelligent residual current circuit breaker of automatic reclosing; Described sampled current transformer is sent to multi-functional idle compensating control with current signal in the circuit, multi-functional idle compensating control control intelligent integral capacitor; Described switch with knifeshaped fuse links to each other with the intelligent integral capacitor.
2. 1 described described digitlization cable branch box as requested, it is characterized in that described casing side has entrance hole and wire hole, described casing side also has louvre, in the described louvre Air Filter is installed, described measuring room side is provided with the perspective window.
3. digitlization cable branch box according to claim 2 is characterized in that, in the described entrance hole and in the wire hole stainless steel waterproof elbow is installed, and adopts the rubber cushion sealing between described stainless steel waterproof elbow and the casing.
4. digitlization cable branch box according to claim 1 is characterized in that, described box house is provided with the ground protection conductor, and described cabinet shell is connected with earthing device, and described earthing device is connected by bolt with the peripheral hardware grounding system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201421352U CN203166311U (en) | 2013-03-26 | 2013-03-26 | Digital cable branch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201421352U CN203166311U (en) | 2013-03-26 | 2013-03-26 | Digital cable branch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166311U true CN203166311U (en) | 2013-08-28 |
Family
ID=49027471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201421352U Expired - Lifetime CN203166311U (en) | 2013-03-26 | 2013-03-26 | Digital cable branch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654910A (en) * | 2016-11-03 | 2017-05-10 | 合肥华义电气科技有限公司 | Cable distribution box |
-
2013
- 2013-03-26 CN CN2013201421352U patent/CN203166311U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654910A (en) * | 2016-11-03 | 2017-05-10 | 合肥华义电气科技有限公司 | Cable distribution box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |