CN203135226U - Three-stage distribution box - Google Patents
Three-stage distribution box Download PDFInfo
- Publication number
- CN203135226U CN203135226U CN 201320162278 CN201320162278U CN203135226U CN 203135226 U CN203135226 U CN 203135226U CN 201320162278 CN201320162278 CN 201320162278 CN 201320162278 U CN201320162278 U CN 201320162278U CN 203135226 U CN203135226 U CN 203135226U
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- Prior art keywords
- distribution box
- box
- point
- switch
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- 230000001681 protective effect Effects 0.000 claims description 15
- 239000012212 insulator Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000001012 protector Effects 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 206010000369 Accident Diseases 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
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Abstract
The utility model provides a three-stage distribution box which comprises the following components: a total distribution box, sub distribution boxes and switch boxes. The total distribution box is composed of a wire inlet unit and a plurality of wire outlet units. The total distribution box is internally provided with the following components: a total circuit breaker with a visible breakage point, shunt circuit breakers with visible breakage points, and a shunt electric leakage protector which can be automatically switched off in auxiliary power supply failure. Each loop output end is provided with a three-point terminal board. Each sub distribution box is composed of a wire inlet unit and a plurality of wire outlet units. Each sub distribution box is internally provided with the following components: a circuit breaker main switch with a visible breakage point, sub switches with visible breakage points, and a five-point terminal board. Each distribution box is internally provided with zero-row terminals and ground-row terminals. Each switch cabinet is composed of a wire inlet unit and a wire outlet unit. Each switch box is internally provided with the following components: a circuit breaker with a visible breakage point, an electric leakage protector and a five-point terminal board. Each box is connected with a ground net through a ground row. The three-stage distribution box has the following advantages: high safety and high reliability in operation; reasonable design of protection functions for preventing short circuit, overload, electric leakage, etc.; capability of preventing safety hazards of electric leakage, fire disaster, etc.; and insurance for power use safety in construction field.
Description
Technical field
The utility model belongs to building industry job site distribution equipment, especially for the jury three grades of distribution boxs of construction site.
Background technology
Distribution box is as the important component part of distribution system in the building trade job site, and for equipment provides motivational guarantee, the electric specialty admission is early withdrawn from lately during construction, requires power distribution system secure, quick, efficient in interim construction.Construction site temporary electricity box-shaped formula is various at present, no unified technical configuration, and defencive functions such as short circuit, overload, electric leakage get an electric shock easily because design is unreasonable, and it is low to exist degree of protection, cause the potential safety hazard of electrical fire.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, three grades of distribution boxs that provide a kind of building industry job site temporary electricity to arrange, this distribution system can guarantee the job site Electrical Safety, prevents from getting an electric shock and the generation of electrical fire accident, guarantees the person and device security.
For the technical problem that solves the prior art existence the utility model proposes following technical scheme: a kind of three grades of distribution boxs, comprise consumer unit, divide distribution box and switch-box, it is characterized in that: consumer unit is made up of a wire inlet unit and several outlet unit, the shunt earth leakage protective device of energy automatic disconnection when the main breaker of the visible cut-off point of the interior installing of case and the shunt circuitbreaker of visible cut-off point and accessory power supply fault, each loop output is installed 3 terminal boards; Divide distribution box to be made up of a wire inlet unit and several outlet unit, circuit breaker switch-dividing and 5 terminal boards of the circuit breaker master switch of the visible cut-off point of installing, visible cut-off point in the case divide zero-emission terminal and ground row's terminal are set in the distribution box; Switch-box is made up of a wire inlet unit and an outlet unit, installing visible cut-off point circuit breaker, earth leakage protective device and 5 terminal boards in the case; Each casing is connected with ground network by ground row.
Ground row in consumer unit, branch distribution box and the switch-box arranges on the support with being installed in, and zero-emission is installed on the zero-emission insulator, and the zero-emission insulator is installed on the zero-emission support.
Current transformer is set in the consumer unit, and the secondary circuit of current transformer has a tie point with the protection zero line.
The last seam of each casing is connected with left side plate respectively with the lower edge, and the both sides channel-section steel is fixed on the left side plate, and the electrical equipment beam is installed on the channel-section steel of both sides, has the electric installation installing hole on the electrical equipment beam.
The utlity model has following characteristics:
1, divide the circuit breaker that adopts visual obvious cut-off point in the distribution box, safe and reliable; Divide and to establish N line terminals (zero-emission) and PE line terminals (arrange) in the distribution box, it is clear to indicate, connects reliably, and personal and device security are played protective effect well;
2, three grades of distribution boxs adopt three grades of distribution, " two-stage earth leakage protective ", one machine, a lock, a leakage, a case, a lock are set "; be main safeguard measure with earth leakage protective wherein, " machine, a lock, a leakage, a case, a lock " namely forbids same device for switching directly to control two and two above power consumption equipments (containing socket); Metal chamber door and metal cabinet all adopt annealed copper wire to do and are electrically connected, thereby ensure the continuous reliable ground of casing;
3, this distribution system security of operation, quick, efficient, defencive functions such as short circuit, overload, electric leakage are reasonable in design, avoid getting an electric shock; potential safety hazards such as initiation fire; guarantee the job site Electrical Safety, prevent from getting an electric shock and the generation of electrical fire accident, guarantee the person and device security.
Description of drawings
Fig. 1 is that three grades of distribution boxs of the utility model are laid schematic diagram.
Fig. 2, Fig. 3 and Fig. 4 are respectively end view, front view and the vertical views of consumer unit.
Fig. 5, Fig. 6 and Fig. 7 are respectively end view, front view and the vertical views of branch distribution box.
Fig. 8 is the switch-box front view.
Among the figure: the A consumer unit; B divides distribution box; The C switch-box; 1 loam cake; Seam on 2; 3 left side plates; 4 both sides channel-section steels; 5 electrical equipment beams; 6 chamber doors; 7 casees locks; 8 Rainproof cases; 9 zero-emission supports; 10 zero-emission insulators; 11 zero-emissions; 12 lower edges; At the bottom of 13 the casees; 14 ground row; 15 ground row's support; 16 main breakers; 17 electric energy meters; 18 current transformers; 19 fire row insulators; 20 fire rows; 21 fens circuit breakers; 22 earth leakage protective devices.
Embodiment
Referring to Fig. 1, the distribution system of job site arranges consumer unit A, divides distribution box B and switch-box C, and the distribution box shell adopts cold-rolled steel sheet to make, and steel plate thickness is 1.2-2.0mm, and tank surface adopts electrostatic painting process, and antiseptic property is good; The utility model is carried out three grades of distribution secondary earth leakage protectives, is not less than IP21 when degree of protection opens the door, and is not less than IP44 at closing time; Each casing is connected with ground network by ground row 14, and metal chamber door and metal cabinet all adopt annealed copper wire to do and be electrically connected, thus the continuous reliable ground of guarantee casing; The distribution box contour structures has rainproof, dust reduction capability.
Referring to Fig. 2～4, the casing of consumer unit by loam cake 1, case at the bottom of 13, left side plate 3 and chamber door 6 constitute, the last seam 2 of casing and lower edge 12 weld together with left side plate 3 respectively, both sides channel-section steel 4 is welded on the left side plate 3, chamber door 6 is installed on the side plate of casing one side by hinge, case lock 7 places on the opposite side side plate, and case is locked 7 outsides and is provided with Rainproof case 8; Electrical equipment beam 5 is installed on the both sides channel-section steel 4; have installing hole on the electrical equipment beam 5; main breaker 16, electric energy meter 17, current transformer 18, fire row insulator 19, the transparent shell of moulding divide circuit breaker 21 and earth leakage protective device 22 to be installed in respectively in the installing hole on the electrical equipment beam 5; fire row 20 places fire row insulator 19 tops and connects master switch through cable; zero-emission insulator 10 is installed on the zero-emission support 9; zero-emission 11 is installed on the zero-emission insulator 10, and ground row 14 arranges on the support 15 with being installed in.
The electrical device stand-by power source of consumer unit is isolated, and normally connect and divide deenergizing, and short circuit, overload, creepage protection function.Consumer unit (power distribution cabinet) is made up of a wire inlet unit and several outlet unit; the transparent transparent accessory power supply type earth leakage protective device along separate routes that can automatic disconnection when moulding shell shunt circuitbreaker and accessory power supply fault of moulding shell main breaker and visible cut-off point of installing visible cut-off point, 3 terminal boards of each loop output installing.Consumer unit installing current transformer, metering and must not measure and share a cover current transformer, during the installing current transformer, its secondary circuit must have a tie point with protecting zero line, and forbids open circuit.
The rated residual operating current of earth leakage protective device should be greater than 30mA in the consumer unit (power distribution cabinet), and specified electric leakage operate time should be greater than 0.1S, but the product of its rated residual operating current and specified electric leakage operate time should be greater than 30mA.S.
Referring to Fig. 5～8, the casing that divides distribution box and switch-box by loam cake 1, case at the bottom of 13, left side plate 3 and chamber door 6 constitute, the last seam 2 of casing and lower edge 12 weld together with left side plate 3 respectively, both sides channel-section steel 4 is welded on the left side plate 3, chamber door 6 is installed on the side plate of casing one side by hinge, case lock 7 places on the opposite side side plate, and case is locked 7 outsides and is provided with Rainproof case 8; Electrical equipment beam 5 is installed on the both sides channel-section steel 4; have installing hole on the electrical equipment beam 5; main breaker 16, the transparent shell of moulding divide circuit breaker 21 and earth leakage protective device 22 to be installed in respectively in the installing hole on the electrical equipment beam 5; zero-emission insulator 10 is installed on the zero-emission support 9; zero-emission 11 is installed on the zero-emission insulator 10, and ground row 14 arranges on the support 15 with being installed in.
Divide distribution box to be formed by a wire inlet unit and several outlet unit, install the transparent breaker of plastic casing master switch of visible cut-off point and transparent breaker of plastic casing switch-dividing and 5 terminal boards of visible cut-off point; Divide the circuit breaker that adopts visual obvious cut-off point in the distribution box, and zero-emission terminal and ground row's terminal are set in case.
Switch-box is made up of a wire inlet unit and an outlet unit, installs transparent breaker of plastic casing and earth leakage protective device and 5 terminal boards of visible cut-off point.The rated residual operating current of earth leakage protective device should be greater than 30mA in the switch-box, and specified electric leakage operate time should be greater than 0.1S.
Claims (4)
1. three grades of distribution boxs, comprise consumer unit, divide distribution box and switch-box, it is characterized in that: consumer unit is made up of a wire inlet unit and several outlet unit, the shunt earth leakage protective device of energy automatic disconnection when the main breaker of the visible cut-off point of the interior installing of case and the shunt circuitbreaker of visible cut-off point and accessory power supply fault, each loop output is installed 3 terminal boards; Divide distribution box to be made up of a wire inlet unit and several outlet unit, circuit breaker switch-dividing and 5 terminal boards of the circuit breaker master switch of the visible cut-off point of installing, visible cut-off point in the case divide zero-emission terminal and ground row's terminal are set in the distribution box; Switch-box is made up of a wire inlet unit and an outlet unit, installing visible cut-off point circuit breaker, earth leakage protective device and 5 terminal boards in the case; Each casing is connected with ground network by ground row.
2. three grades of distribution boxs according to claim 1 is characterized in that: consumer unit, divide the ground row in distribution box and the switch-box to arrange on the support, zero-emission is installed on the zero-emission insulator with being installed in, and the zero-emission insulator is installed on the zero-emission support.
3. three grades of distribution boxs according to claim 1 is characterized in that: current transformer is set in the consumer unit, and the secondary circuit of current transformer has a tie point with the protection zero line.
4. three grades of distribution boxs according to claim 1, it is characterized in that: the last seam of each casing is connected with left side plate respectively with the lower edge, and the both sides channel-section steel is fixed on the left side plate, and the electrical equipment beam is installed on the channel-section steel of both sides, has the electric installation installing hole on the electrical equipment beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320162278 CN203135226U (en) | 2013-03-19 | 2013-03-19 | Three-stage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320162278 CN203135226U (en) | 2013-03-19 | 2013-03-19 | Three-stage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203135226U true CN203135226U (en) | 2013-08-14 |
Family
ID=48943168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320162278 Expired - Fee Related CN203135226U (en) | 2013-03-19 | 2013-03-19 | Three-stage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203135226U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606866A (en) * | 2013-11-20 | 2014-02-26 | 苏州金螳螂建筑装饰股份有限公司 | Distribution type two-stage distribution box |
| CN104409976A (en) * | 2014-12-01 | 2015-03-11 | 苏州立瓷电子技术有限公司 | LED display screen power supply system |
| CN105931543A (en) * | 2016-07-11 | 2016-09-07 | 江苏建筑职业技术学院 | Temporary electricity utilization hazard source identification experience area and application method |
| CN108429163A (en) * | 2018-05-28 | 2018-08-21 | 仲永胜 | A kind of multifunctional intelligent distribution box |
| CN110992635A (en) * | 2019-12-28 | 2020-04-10 | 北京明日电力电子有限公司 | Intelligent power switch system for electrical fire monitoring based on NB-IOT communication technology |
| CN116231506A (en) * | 2023-01-05 | 2023-06-06 | 中建二局装饰工程有限公司 | A kind of construction technology for housing renovation and temporary power supply |
| CN118040504A (en) * | 2024-04-13 | 2024-05-14 | 山东亿阳电工有限公司 | A power distribution cabinet with operating environment monitoring |
-
2013
- 2013-03-19 CN CN 201320162278 patent/CN203135226U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606866A (en) * | 2013-11-20 | 2014-02-26 | 苏州金螳螂建筑装饰股份有限公司 | Distribution type two-stage distribution box |
| CN104409976A (en) * | 2014-12-01 | 2015-03-11 | 苏州立瓷电子技术有限公司 | LED display screen power supply system |
| CN105931543A (en) * | 2016-07-11 | 2016-09-07 | 江苏建筑职业技术学院 | Temporary electricity utilization hazard source identification experience area and application method |
| CN108429163A (en) * | 2018-05-28 | 2018-08-21 | 仲永胜 | A kind of multifunctional intelligent distribution box |
| CN110992635A (en) * | 2019-12-28 | 2020-04-10 | 北京明日电力电子有限公司 | Intelligent power switch system for electrical fire monitoring based on NB-IOT communication technology |
| CN116231506A (en) * | 2023-01-05 | 2023-06-06 | 中建二局装饰工程有限公司 | A kind of construction technology for housing renovation and temporary power supply |
| CN118040504A (en) * | 2024-04-13 | 2024-05-14 | 山东亿阳电工有限公司 | A power distribution cabinet with operating environment monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20190319 |