CN202633777U - Multifunctional second-stage distribution box and power distribution equipment comprising same - Google Patents
Multifunctional second-stage distribution box and power distribution equipment comprising same Download PDFInfo
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- CN202633777U CN202633777U CN 201220290627 CN201220290627U CN202633777U CN 202633777 U CN202633777 U CN 202633777U CN 201220290627 CN201220290627 CN 201220290627 CN 201220290627 U CN201220290627 U CN 201220290627U CN 202633777 U CN202633777 U CN 202633777U
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Abstract
The utility model provides a multifunctional second-stage distribution box with the advantages of reasonable arrangement, safety, convenience and reliability in operation, and a power distribution equipment comprising the multifunctional second-stage distribution box. The multifunctional second-stage distribution box comprises a box body and a box door, wherein a circuit breaker, a fuse and a leakage circuit breaker which are mutually electrically connected are arranged in the box body; and an inner sealing plate is arranged between the box body and the box door, and a through hole used for operating the circuit breaker, and the fuse and the leakage circuit breaker in the box body are arranged on the inner sealing plate. The multifunctional second-stage distribution box can also form a power distribution device of a 220V general power distribution box, a 220V universal socket box, a 380V general power distribution box and a 380V welding machine special box. According to the multifunctional second-stage distribution box, the inner sealing plate is used for isolating a wiring part from a control part of the electric part of the box body, so that components in the box are reasonably arranged, and are protected, the possibility of accident touching is reduced, and the use property and the safety property of the multifunctional second-stage distribution box can be improved; and the multifunctional second-stage distribution box can be combined into different types of power distribution devices through accessories according to the actual demands.
Description
Technical field
The utility model relates to power equipment and makes the field, more particularly, relates to a kind of multi-functional secondary distribution box and reaches by its controller switching equipment of forming.
Background technology
Distribution box be by the electrical wiring requirement be assembled in switchgear, measuring instrument, protection electrical equipment and auxiliary equipment in sealing or the semiclosed metal cabinet or the screen width of cloth on, constitute low-voltage distribution equipment, be usually used in each, join, in the electric substation.
At present, distribution box has also obtained extensive use in the job site of engineering out of doors.Engineering site out of doors; Power supply for construction is temporary electricity mostly; And field operation can receive the influence of some foeign elements unavoidably, so the safety management of outdoor electricity distribution is very important, and particularly the fail safe of the used distribution box of outdoor electricity distribution should obtain the attention of height.The distribution box function singleness that present operation is out of doors adopted, being provided with in the case is lack of standardization, and its components and parts are arranged unreasonable, make distribution box fail to bring into play good safeguard protection effect.Simultaneously, the control section and the wiring of existing distribution box partly mix, so inconvenient staff's electricity consumption operational administrative, and operation Electrical Safety performance is low.And existing job site distribution box is arranged on the open air for a long time, and tank surface waterproof and corrosive nature are poor, do not have protective action.Therefore, be necessary to propose connection and reasonable arrangement in a kind of case, handling safety, convenience, be applicable to the multi-functional secondary distribution box of open air reliably, this multi-functional secondary distribution box also can be formed other controller switching equipment.
The utility model content
The purpose of the utility model is to overcome shortcoming of the prior art and not enough, and connection and reasonable arrangement in a kind of case is provided, and handling safety, convenience, reliable are applicable to that outdoor multifunctional distribution box reaches by its controller switching equipment of forming.This multi-functional secondary distribution box and can be by manual control each minute deenergizing when normally being moved by its controller switching equipment of forming can be by the human body perusal when its fault or irregular operating.Multi-functional secondary distribution box reaches by its controller switching equipment of forming is convenient to be used for the temporary electricity management, and the staff is convenient to inspection, maintenance when fault takes place for it.
In order to achieve the above object, the utility model is achieved through following technical proposals: a kind of multi-functional secondary distribution box, comprise casing and chamber door, and it is characterized in that: be provided with the circuit breaker, fuse, the RCCB that are electrically connected each other in the said casing; Also be provided with inner sealed board between said casing and the chamber door, said inner sealed board is provided with the through hole that is used to operate casing inner breaker, fuse and RCCB.
Through such scheme, the inner sealed board of distribution box setting can make things convenient for the enforcement of personnel's electricity consumption operational administrative, and touches the wiring part of components and parts when avoiding personnel operation to use.The utility model is that circuit breaker, fuse and RCCB operating handle have through hole at inner sealed board; So that outside inner sealed board, can operate to circuit breaker, fuse and RCCB; Further improve the serviceability and the security performance of the multi-functional secondary distribution box of the utility model, be more suitable for the on-the-spot demand of outdoor engineering construction.
More particularly, the two sides of said casing are respectively arranged with waterproof socket and output indicator.For example adopting model is the aviation waterproof socket of IP67; The waterproof socket of this model is very suitable for long-term outdoor engineering construction; Can monitor the ruuning situation of components and parts in the casing simultaneously through output indicator, the quantity of socket and output indicator can be adjusted laying as required.
Be electrically connected as follows between the waterproof socket of circuit breaker, fuse, RCCB and casing both sides in the said casing and the output indicator: the upper end external power supply of circuit breaker, the lower end of circuit breaker is connected with the input of parallel circuits module; Said parallel circuits module is composed in parallel by at least two group series circuits, and said series circuit is connected successively with arbitrary RCCB by arbitrary fuse and formed; Each series circuit is at RCCB outlet side parallel connection one output indicator; The output of said parallel circuits module is electrically connected with the waterproof socket of casing both sides respectively.The components and parts wiring arranges to follow shortest path and minimum principle of plugging into a little in the casing, shortens current path, improves fail safe and the occurrence node that reduces fault, is more suitable for the on-the-spot demand of outdoor engineering construction.
Also be provided with in the said casing and be laid in inner N line terminals row of inner sealed board and PE line terminals row district.
Said inner sealed board adopts fixture to be connected with casing on one side, Yi Bian hinged through rotating shaft and casing; Said inner sealed board and chamber door are the inner sealed board and the chamber door of waterproof; Said chamber door is provided with Waterproof lock.For the ease of the management of box house, Yi Bian do not adopt door knob control on the inner sealed board, but be connected with casing, thereby prevent that false touch from bumping charged position through screw.Adopt the inner sealed board and the chamber door of waterproof can make box sealing, more be applicable to outdoor use.Chamber door is provided with Waterproof lock, can improve the security performance of distribution box, guarantees workmen's management of power use, prevents that unrelated person from arbitrarily operating distribution box.
The two sides of said casing are separately installed with handle that is used to extract and the hangers that is used to hang; Said casing is the casing of steel plate material, and tank surface is provided with the electrostatic plastic spraying layer.Mobile and the carrying of the easy design distribution box of handle, the suspension of the easy design distribution box of hangers.The casing of the utility model adopts the high-strength steel sheet integral production, and shock resistance is good, and sealing is high.Tank surface adopts high-quality electrostatic plastic spraying layer, the coating adhesion-tight, and color even, wear resistant corrosion resistant property is good, has also guaranteed the attractive in appearance of casing from the root body.
A kind of 220V universal power distribution case of being made up of above-mentioned multi-functional secondary distribution box is characterized in that: also comprise the 16A waterproof socket that is arranged on fuse, RCCB and casing both sides in the 220V universal power distribution box body; Said 16A waterproof socket one, fuse, RCCB link to each other with 16A waterproof socket two successively; The 16A waterproof socket one of said 220V universal power distribution case links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
A kind of 220V universal contact receptacle case of being made up of above-mentioned multi-functional secondary distribution box is characterized in that: also comprise the fuse, RCCB, 16A waterproof socket and the 10A Universal Socket that are arranged in the 220V universal contact receptacle box body; Said 16A waterproof socket, fuse, RCCB and 10A Universal Socket link to each other successively; The 16A waterproof socket of said 220V universal contact receptacle case links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
A kind of 380V universal power distribution case of being made up of above-mentioned multi-functional secondary distribution box is characterized in that: also comprise the 32A waterproof socket that is arranged on fuse, RCCB and casing both sides in the 380V universal power distribution box body; Said 32A waterproof socket one, fuse, RCCB link to each other with 32A waterproof socket two successively; The 32A waterproof socket one of said 380V universal power distribution case links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
The special-purpose case of 380V welding machine that a kind of above-mentioned multi-functional secondary distribution box is formed is characterized in that: also comprise being arranged on the interior welding machine protector of the special-purpose box body of 380V welding machine and the 63A waterproof socket of casing both sides; Said 63A waterproof socket one, welding machine protector link to each other with 63A waterproof socket two successively; The 63A waterproof socket one of the special-purpose case of said 380V welding machine links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, the multi-functional secondary distribution box of the utility model adopts inner sealed board that the wiring part and the control section of casing electric component are kept apart; Components and parts in the case rationally are provided with; And the electric component in the further guard box; Reduce the possibility of unexpected touching simultaneously, can improve the serviceability and the security performance of distribution box.
2, the design of the utility model inner sealed board also can guarantee workmen's Electrical Safety management, prevents that unrelated person from arbitrarily changing being electrically connected of electric component.
3, shortest path and minimum principle of plugging into are a little followed in the wiring arrangement of the utility model, shorten current path, improve fail safe and the occurrence node that reduces fault, are more suitable for the on-the-spot demand of outdoor engineering construction.
4, the utility model unitary construction adopts the high-strength steel sheet integral production, and uses comprehensive waterproofing design, makes the casing shock resistance good, and sealing is high, is more suitable in the relatively poor outdoor environment for use of condition.
5, the portable design that multi-functional secondary distribution box is in light weight, volume is little of the utility model can be placed distribution box flexibly, and staff's distribution work is easier easily.
6, the multi-functional secondary distribution box of the utility model can be combined into dissimilar controller switching equipments through accessory according to the actual requirements.
Description of drawings
Fig. 1 is the structural representation of the multi-functional secondary distribution box of the utility model;
Fig. 2 is the interior sketch map of arranging of the casing of the multi-functional secondary distribution box of the utility model;
Fig. 3 is the casing internal wiring sketch map of the multi-functional secondary distribution box of the utility model;
Wherein, 1 be casing, 2 for chamber door, 3 for circuit breaker, 4 for fuse, 5 for RCCB, 6 for inner sealed board, 7 for socket, 8 for output indicator, 9 for N line terminals row and PE line terminals row district, 10 for Waterproof lock, 11 for handle, 12 be hangers.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Embodiment
It is that example describes that the multi-functional secondary distribution box of present embodiment adopts circuit breaker and six times outlets of RCCB control.
Arrange in the structural representation of the multi-functional secondary distribution box of the utility model and the casing that sketch map is as depicted in figs. 1 and 2; Comprise the casing 1 and waterproof chamber door 2 that adopt steel plate material to process; The specification of casing 1 is high 600mm * wide 550mm * thick 200mm; The thick about 1.5mm of its steel plate material, casing 1 forms through the integral body compacting, and its sealing property and water resistance are good.Be provided with circuit breaker 3, fuse 4, the RCCB 5 of mutual electrical connection in the casing 1; Also be provided with the inner sealed board 6 that can make things convenient for personnel's electricity consumption operational administrative to implement between casing 1 and the chamber door 2, inner sealed board 6 is provided with the through hole that is used to operate casing inner breaker 3, fuse 4 and RCCB 5.The utility model is that circuit breaker 3, fuse 4 and RCCB 5 operating handles have through hole at inner sealed board; So that outside inner sealed board 6, can operate to circuit breaker 3, fuse 4 and RCCB 5; Further improve the serviceability and the security performance of distribution box, be more suitable for the on-the-spot demand of outdoor engineering construction.
The aviation waterproof socket 7 that it is IP67 that the two sides of casing 1 are respectively arranged with six models and six output indicators 8 that can monitor components and parts ruuning situation in the casing.The socket 7 of the utility model adopts the socket of different size, is respectively the waterproof socket of a 63A Three-phase five-wire, the waterproof socket of two 16A single-phase three-wires, the waterproof socket of three 32A three-phase and four-lines; Each socket 7 is electrically connected six times outlets adopting circuit breaker 3 and RCCB 5 controls in the respective tank respectively, and one time is 380V, 63A outlet, twice 220V, 16A outlet, three times 380V, 32A outlet.Six 8 of output indicators can show whether each outlet switches on.The socket of the utility model and the quantity of output indicator can be adjusted laying according to actual needs.
Also be provided with the N line terminals row and the PE line terminals row district 9 that are laid in inner sealed board 6 inside in the casing 1.For the ease of the inner management of casing 1, do not adopt door knob control on the inner sealed board 6, Yi Bian but adopt fixture to be connected with casing 1, Yi Bian hinged through rotating shaft and casing 1, thereby prevent that false touch from bumping charged position.Inner sealed board 6 is the inner sealed board and the chamber door of waterproof with chamber door 2, and chamber door 2 also is provided with Waterproof lock 10.Adopt this design can make casing 1 sealing, more be applicable to outdoor use.Chamber door 1 is provided with Waterproof lock 10, improves the security performance of distribution box, guarantees workmen's management of power use, prevents that unrelated person from arbitrarily operating distribution box.The two sides of casing 1 are separately installed with handle 11 that is used to extract and the hangers 12 that is used to hang.High-quality electrostatic plastic spraying layer is also adopted on casing 1 surface, the coating adhesion-tight, and color even, wear resistant corrosion resistant property is good, has also guaranteed the attractive in appearance of casing from the root body.
Casing internal wiring sketch map such as Fig. 3 of the multi-functional secondary distribution box of the utility model, external power source inlet wire press the upper end that three-phase 380V inlet wire connects 160A circuit breaker OF, and the lower end of circuit breaker OF is connected with the input of parallel circuits module; The parallel circuits module is composed in parallel by six groups of series circuits, and wherein, series circuit is connected successively with RCCB RCD1-RCD6 by fuse F U1-FU6 and formed; Simultaneously, whether each series circuit shows the output indicator of normal power-up one of RCCB outlet side parallel connection; The output of RCCB RCD1 connects the waterproof socket of 63A Three-phase five-wire, and the output of RCCB RCD2 and RCD5 is connected the waterproof socket of 16A single-phase three-wire, and the output of RCCB RCD3, RCD4 and RCD6 is connected the waterproof socket of 32A three-phase and four-line.The components and parts wiring is arranged to follow shortest path and minimum principle of plugging into a little in the casing, can shorten current path, improves fail safe and the occurrence node that reduces fault, is more suitable for the on-the-spot demand of outdoor engineering construction.In actual production, standard joining admittedly confirmed casing outlet way so that satisfy the on-the-spot needs of outdoor construction as required.
It in the utility model casing standard configuration by a machine one lock one protection configuration circuit breaker, fuse, earth leakage protective device and output indication.Multi-functional secondary distribution box external shell is put 1 earth point, all adopts the screw of diameter 8mm to be welded on the distribution box, and there are warning marks such as electricity danger, danger,High Voltage the casing outside simultaneously, can improve the security performance of distribution box.
The multi-functional secondary distribution box of the utility model can be combined into dissimilar controller switching equipments through accessory according to the actual requirements, like the special-purpose case of following 220V universal power distribution case, 220V universal contact receptacle case, 380V universal power distribution case and 380V welding machine.
A kind of 220V universal power distribution case of being made up of multi-functional secondary distribution box also comprises the 16A waterproof aviation socket that is arranged on fuse, RCCB and casing both sides in the 220V universal power distribution box body; Wherein, 16A waterproof aviation socket one, fuse, RCCB and 16A waterproof aviation socket two link to each other successively.The cable of 220V universal power distribution case through the adaptive plug of double headed roller is connected with multi-functional secondary distribution box: of the cable of the adaptive plug of double headed roller is connected with the 16A waterproof aviation socket one of 220V universal power distribution case, and the other end of the cable of the adaptive plug of double headed roller links to each other with the single-phase waterproof socket of the 16A of multi-functional secondary distribution box.And also being cable through the adaptive plug of double headed roller, external equipment is connected use with the 16A waterproof aviation socket two of 220V universal power distribution case.
A kind of 220V universal contact receptacle case of being made up of multi-functional secondary distribution box also comprises the fuse, RCCB, 16A waterproof aviation socket and the 10A Universal Socket that are arranged in the 220V universal contact receptacle box body; Wherein, 16A waterproof aviation socket, fuse, RCCB and 10A Universal Socket link to each other successively.The cable of 220V universal contact receptacle case through the adaptive plug of double headed roller is connected with multi-functional secondary distribution box: of the cable of the adaptive plug of double headed roller is connected with the 16A waterproof aviation socket of 220V universal contact receptacle case, and the other end of the cable of the adaptive plug of double headed roller links to each other with the single-phase waterproof socket of the 16A of multi-functional secondary distribution box.Outside electric equipment then is connected use through two, three common plug-in source plugs with the 10A Universal Socket of 220V universal contact receptacle case.
A kind of 380V universal power distribution case of being made up of multi-functional secondary distribution box also comprises the 32A waterproof aviation socket that is arranged on fuse, RCCB and casing both sides in the 380V universal power distribution box body; Wherein, 32A waterproof aviation socket one, fuse, RCCB and 32A waterproof aviation socket two link to each other successively.The cable of 380V universal power distribution case through the adaptive plug of double headed roller is connected with multi-functional secondary distribution box: of the cable of the adaptive plug of double headed roller is connected with the 32A waterproof aviation socket one of 380V universal power distribution case, and the other end of the cable of the adaptive plug of double headed roller links to each other with the 32A three-phase and four-line waterproof socket of multi-functional secondary distribution box.And also being cable through the adaptive plug of double headed roller, external equipment is connected use with the 32A waterproof aviation socket two of 380V universal power distribution case.
A kind of special-purpose case of being made up of multi-functional secondary distribution box of 380V welding machine also comprises being arranged on the interior welding machine protector of the special-purpose box body of 380V welding machine and the 63A waterproof aviation socket of casing both sides; Wherein, 63A waterproof aviation socket one, welding machine protector and 63A waterproof aviation socket two link to each other successively.The special-purpose case of 380V welding machine is connected with multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller: a 63A waterproof aviation socket one with the special-purpose case of 380V welding machine of the cable of the adaptive plug of double headed roller is connected, and the other end of the cable of the adaptive plug of double headed roller links to each other with the 63A Three-phase five-wire waterproof socket of multi-functional secondary distribution box.And the external equipment welding machine also to be cable through the adaptive plug of double headed roller be connected use with the 63A waterproof aviation socket two of the special-purpose case of 380V welding machine.
The foregoing description is the utility model preferred implementation; But the execution mode of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection range of the utility model.
Claims (10)
1. a multi-functional secondary distribution box comprises casing and chamber door, it is characterized in that: be provided with the circuit breaker, fuse, the RCCB that are electrically connected each other in the said casing; Also be provided with inner sealed board between said casing and the chamber door, said inner sealed board is provided with the through hole that is used to operate casing inner breaker, fuse and RCCB.
2. multi-functional secondary distribution box according to claim 1, it is characterized in that: the two sides of said casing are respectively arranged with waterproof socket and output indicator.
3. multi-functional secondary distribution box according to claim 2; It is characterized in that: be electrically connected as follows between the waterproof socket of circuit breaker, fuse, RCCB and casing both sides in the said casing and the output indicator: the upper end external power supply of circuit breaker, the lower end of circuit breaker is connected with the input of parallel circuits module; Said parallel circuits module is composed in parallel by at least two group series circuits, and said series circuit is connected successively with arbitrary RCCB by arbitrary fuse and formed; Each series circuit is at RCCB outlet side parallel connection one output indicator; The output of said parallel circuits module is electrically connected with the waterproof socket of casing both sides respectively.
4. multi-functional secondary distribution box according to claim 1 is characterized in that: also be provided with in the said casing and be laid in inner N line terminals row of inner sealed board and PE line terminals row district.
5. multi-functional secondary distribution box according to claim 1 is characterized in that: on one side said inner sealed board adopts fixture to be connected with casing, Yi Bian hinged through rotating shaft and casing; Said inner sealed board and chamber door are the inner sealed board and the chamber door of waterproof; Said chamber door is provided with Waterproof lock.
6. multi-functional secondary distribution box according to claim 1 is characterized in that: the two sides of said casing are separately installed with handle that is used to extract and the hangers that is used to hang; Said casing is the casing of steel plate material, and tank surface is provided with the electrostatic plastic spraying layer.
7. a 220V universal power distribution case of being made up of each described multi-functional secondary distribution box in the claim 1 to 6 is characterized in that: also comprise the 16A waterproof socket that is arranged on fuse, RCCB and casing both sides in the 220V universal power distribution box body; Said 16A waterproof socket one, fuse, RCCB link to each other with 16A waterproof socket two successively; The 16A waterproof socket one of said 220V universal power distribution case links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
8. a 220V universal contact receptacle case of being made up of each described multi-functional secondary distribution box in the claim 1 to 6 is characterized in that: also comprise the fuse, RCCB, 16A waterproof socket and the 10A Universal Socket that are arranged in the 220V universal contact receptacle box body; Said 16A waterproof socket, fuse, RCCB and 10A Universal Socket link to each other successively; The 16A waterproof socket of said 220V universal contact receptacle case links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
9. a 380V universal power distribution case of being made up of each described multi-functional secondary distribution box in the claim 1 to 6 is characterized in that: also comprise the 32A waterproof socket that is arranged on fuse, RCCB and casing both sides in the 380V universal power distribution box body; Said 32A waterproof socket one, fuse, RCCB link to each other with 32A waterproof socket two successively; The 32A waterproof socket one of said 380V universal power distribution case links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
10. the special-purpose case of being made up of each described multi-functional secondary distribution box in the claim 1 to 6 of 380V welding machine is characterized in that: also comprise being arranged on the interior welding machine protector of the special-purpose box body of 380V welding machine and the 63A waterproof socket of casing both sides; Said 63A waterproof socket one, welding machine protector link to each other with 63A waterproof socket two successively; The 63A waterproof socket one of the special-purpose case of said 380V welding machine links to each other with the socket of multi-functional secondary distribution box through the cable of the adaptive plug of double headed roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290627 CN202633777U (en) | 2012-06-19 | 2012-06-19 | Multifunctional second-stage distribution box and power distribution equipment comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290627 CN202633777U (en) | 2012-06-19 | 2012-06-19 | Multifunctional second-stage distribution box and power distribution equipment comprising same |
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| Publication Number | Publication Date |
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| CN202633777U true CN202633777U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220290627 Expired - Lifetime CN202633777U (en) | 2012-06-19 | 2012-06-19 | Multifunctional second-stage distribution box and power distribution equipment comprising same |
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| CN (1) | CN202633777U (en) |
Cited By (4)
| 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 |
| CN105514833A (en) * | 2016-01-18 | 2016-04-20 | 国家电网公司 | Secondary electric leakage protection distribution box |
| CN108429163A (en) * | 2018-05-28 | 2018-08-21 | 仲永胜 | A kind of multifunctional intelligent distribution box |
| CN110120635A (en) * | 2018-02-07 | 2019-08-13 | 五冶集团上海有限公司 | One kind being used for construction site water proof and dust proof distribution box |
-
2012
- 2012-06-19 CN CN 201220290627 patent/CN202633777U/en not_active Expired - Lifetime
Cited By (5)
| 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 |
| CN105514833A (en) * | 2016-01-18 | 2016-04-20 | 国家电网公司 | Secondary electric leakage protection distribution box |
| CN105514833B (en) * | 2016-01-18 | 2018-06-29 | 国家电网公司 | Two level earth leakage protective distribution box |
| CN110120635A (en) * | 2018-02-07 | 2019-08-13 | 五冶集团上海有限公司 | One kind being used for construction site water proof and dust proof distribution box |
| CN108429163A (en) * | 2018-05-28 | 2018-08-21 | 仲永胜 | A kind of multifunctional intelligent distribution box |
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Granted publication date: 20121226 |
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| CX01 | Expiry of patent term |