CN103915298B - Miniature circuit breaker level is inserted into line structure relatively - Google Patents
Miniature circuit breaker level is inserted into line structure relatively Download PDFInfo
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- CN103915298B CN103915298B CN201410178360.0A CN201410178360A CN103915298B CN 103915298 B CN103915298 B CN 103915298B CN 201410178360 A CN201410178360 A CN 201410178360A CN 103915298 B CN103915298 B CN 103915298B
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- circuit breaker
- miniature circuit
- busbar
- rectangular teeth
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Abstract
A kind of miniature circuit breaker level is inserted into line structure relatively, comprise miniature circuit breaker and busbar, one side of something of one end of miniature circuit breaker is provided with multiple rectangular teeth corresponding with many busbars, is provided with the plug-in type busbar conduction dop as miniature circuit breaker end of incoming cables in the groove between certain a pair rectangular teeth; Rectangular teeth one end of paired miniature circuit breaker is plugged on the both sides of busbar relatively, the plug-in type busbar conduction dop of each miniature circuit breaker is connected on a busbar, relatively mutually coincide to the rectangular teeth of a miniature circuit breaker one side of something inserted and the rectangular teeth of another miniature circuit breaker one side of something.Use terminal distribution box manufactured by this kind of connected mode circuit breaker can by standard series Prefabrication, can first by casing, guide rail, incoming-line busbar, zero ground busbar are preset integrated.Switch only by the Demand Design feeder number of oneself and contact capacity, need be inserted in system, can complete general assembly by user successively, greatly facilitates dismounting and safeguards, can realize standard, efficient, low cost.
Description
Technical field
The present invention relates to a kind of miniature circuit breaker level and be relatively inserted into line structure, be mainly used in miniature circuit breaker when being connected do power taking with busbar, insert busbar by plug-in type busbar conductive contact by guide rail guiding relative level, complete conduction and connect.Can be used for manufacturing modularization, presetting system terminal distribution box.
Background technology
In prior art distribution box, the syndeton of miniature circuit breaker and bus is interconnected by wire between the two, and its shortcoming takes up room greatly, wiring confusion; When needing to change a certain circuit breaker, need to disconnect bus power supply, affect the normal power supply of its cocircuit; Dismounting maintenance trouble; The configuration of a certain distribution box all needs single customization, and manufacturing cost is high, and interchangeability is poor, and use cost is high; The connection of wire and busbar needs punching screw to connect, and destroys overall structure and the electric conductivity of busbar, connects also inconvenient.
Summary of the invention
The object of the invention is to provide a kind of miniature circuit breaker level and is relatively inserted into line structure, large to solve taking up room of prior art existence, wiring confusion; When needing to change a certain circuit breaker, need to disconnect bus power supply, affect the normal power supply of its cocircuit; Dismounting maintenance trouble; The configuration of a certain distribution box all needs single customization, and manufacturing cost is high, and interchangeability is poor, and use cost is high; And the connection of wire and busbar needs punching screw to connect, destroy overall structure and the electric conductivity of busbar, connect also inconvenient problem.
Technical scheme of the present invention is: a kind of miniature circuit breaker level is inserted into line structure relatively, comprise miniature circuit breaker and busbar, many busbars divide Spaced to be fixed on side by side on base plate, it is characterized in that, one side of something of one end of described miniature circuit breaker is provided with multiple rectangular teeth corresponding with many busbars, be provided with the plug-in type busbar conduction dop as miniature circuit breaker end of incoming cables in groove between certain a pair rectangular teeth, be provided with leading-out terminal at the other end of miniature circuit breaker; Rectangular teeth one end of paired miniature circuit breaker is plugged on the both sides of busbar relatively, the plug-in type busbar conduction dop of each miniature circuit breaker is connected on a busbar, relatively mutually coincide to the rectangular teeth of a miniature circuit breaker one side of something inserted and the rectangular teeth of another miniature circuit breaker one side of something; Base plate is provided with the guide rail installing miniature circuit breaker; Busbar is connected with external wire by busbar connector.
Described plug-in type busbar conduction dop is made up of lug plate and spring clip, lug plate is made up of the copper sheet of a pairing approximation η shape, its short side is relative, and long side closes up the tail end being welded to each other composition lug plate below short side, for being connected with the inner binding post of miniature circuit breaker; Spring clip is made up of large and small U-shaped sheet, large and small U-shaped sheet is structure as a whole or Split type structure, the bottom of large U-shaped sheet is positioned at bottom little U-shaped sheet, the U-shaped mouth of spring clip snaps in the inner side of two short sides of lug plate, the top of large U-shaped sheet is against the top of short side, and the top of little U-shaped sheet is against the bottom of short side.
The tail end of described lug plate is positioned at side or the centre of lug plate.
Described busbar connector is made up of collet, pressing plate and jackscrew, and collet is U-board, and relative both sides are provided with rectangular opening; The middle part of pressing plate is provided with screw, and screw in jackscrew in screw, pressing plate penetrates from the rectangular opening of collet, and the width of pressing plate coordinates with rectangular opening, and the length of pressing plate is slightly longer than the spacing at collet two ends.
Two jiaos, the top of the rectangular opening of described collet side is provided with circular arc positioning rib; Be provided with the protuberance protruded to Width in one end of described pressing plate, be provided with two breach coordinated with described circular arc positioning rib on the both sides of the other end near pressing plate.
The lower end of described jackscrew is plane or is provided with the cylindrical projection coordinated with the circular groove of Wiring nose, and the former is for the connection between busbar, and the latter is used for the connection of busbar and Wiring nose.
The equal chamfering in corner of described busbar.
Advantage of the present invention is: led by guide rail, relatively respectively insert corresponding phase place busbar from left and right, select any circuit breaker on any one side as service entrance switch, after being connected with its non-intrusive side by higher level's inlet wire, then all the other circuit breaker inserting sides are all charged for turn on-switch, its non-intrusive side is then as leading-out terminal, in the energized state, even if service entrance switch closes, only the switch of required replacing need be disconnected during to change any switch, remove outlet, extract switch, insert new switch again, connect outlet and can recover this loop power supply, do not affect the normal power supply of its cocircuit.Use terminal distribution box manufactured by this kind of mode circuit breaker can by standard series Prefabrication, can first by casing, guide rail, incoming-line busbar, zero ground busbar are preset integrated.User only need by the Demand Design of oneself, counter circuit number and contact capacity, and press the integrated good casing of feeder number selection, by each circuit switching Capacity Selection switch and quantity, the switch chosen is inserted in system successively, general assembly can be completed, greatly facilitate dismounting to safeguard, standard, efficient, low cost can be realized.Use atresia connection fastener, the atresia that can realize whole conducting system connects, and ensures globality and the electric conductivity of busbar.
Accompanying drawing explanation
Fig. 1 is the overall side structural representation of one embodiment of the invention;
Fig. 2 is the overall side structural representation of another embodiment of the present invention;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is the decomposition texture schematic diagram of Fig. 4;
Fig. 6 is the structural representation of a miniature circuit breaker side of the present invention;
Fig. 7 is the rearview of Fig. 6;
Fig. 8 is the right view of Fig. 6;
Fig. 9 is the left view of Fig. 6;
Figure 10 is the package assembly schematic diagram of busbar connector of the present invention;
Figure 11 is the left view of Figure 10;
Figure 12 is the vertical view of Figure 10;
Figure 13 is the right view of Figure 10;
Figure 14 is the structural representation of the collet of busbar connector of the present invention;
Figure 15 is a left side (right side) view of Figure 14;
Figure 16 is the vertical view of Figure 14;
Figure 17 is the B-B cutaway view of Figure 14;
Figure 18 is the structural representation of the pressing plate of busbar connector of the present invention;
Figure 19 is the vertical view of Figure 10;
Figure 20 is the structural representation of the jackscrew (flat) of busbar connector of the present invention;
Figure 21 is the structural representation of the jackscrew (with cylindrical projection) of busbar connector of the present invention;
Figure 22 is the structural representation of plug-in type busbar of the present invention conduction dop (inclined tail end embodiment);
Figure 23 is the left view of Figure 22;
Figure 24 is the structural representation of plug-in type busbar of the present invention conduction dop (embodiment that tail end is now middle);
Figure 25 is a left side (right side) view of Figure 24;
Figure 26 is the structural representation of the large U-shaped sheet of Separated type spring clamp of the present invention;
Figure 27 is a left side (right side) view of Figure 26;
Figure 28 is the structural representation of the little U-shaped sheet of Separated type spring clamp of the present invention;
Figure 29 is a left side (right side) view of Figure 28;
Figure 30 is the large U-shaped sheet in Figure 26 and Figure 28 and the structural representation after the assembling of little U-shaped sheet, is also the structural representation of the Separated type spring clamp of one;
Figure 31 is a left side (right side) view of Figure 30.
Embodiment
See Fig. 1 ~ Figure 31, a kind of miniature circuit breaker level of the present invention is inserted into line structure relatively, comprises miniature circuit breaker 6 and busbar 2, and many busbars 2 points of Spaceds side by side and be fixed on base plate 1 by insulating support 5.One side of something of one end of described miniature circuit breaker 6 is provided with multiple rectangular teeth 61 corresponding with many busbars, be provided with the plug-in type busbar conduction dop 7 as miniature circuit breaker 6 end of incoming cables in groove between certain a pair rectangular teeth 61, be provided with leading-out terminal 63(conventional connections terminal at the other end of miniature circuit breaker 6).Rectangular teeth 61 one end of paired miniature circuit breaker 6 is plugged on the both sides of busbar 2 relatively, the plug-in type busbar conduction dop 7 of each miniature circuit breaker 6 is connected on a busbar 2, relatively mutually coincide (see Fig. 3) to the rectangular teeth 61 of miniature circuit breaker 6 one side of something inserted and the rectangular teeth 61 of another miniature circuit breaker one side of something.Base plate 1 is provided with the guide rail 9 installing miniature circuit breaker 6, and the dovetail groove 62 installing miniature circuit breaker 6 bottom surface is inserted on the rail 9; Busbar 2 is connected with external wire or other busbars 4 by busbar connector 3.
Embodiment in Fig. 2 with Fig. 3 is also provided with zero line busbar 4 and ground wire busbar 10 and extraneous wire 11(Wiring nose or busbar) and the structure be connected by connector 3.Four busbars 2 from top to bottom the 1st, 2,3 be live wire busbar, the 4th connects with zero line busbar 4 with busbar connector 3.These four busbars 2 are all the end of incoming cables of miniature circuit breaker 6, and meanwhile, zero line busbar 4 and its external prolongation are again the zero line rows of whole distribution box system simultaneously, and ground wire busbar 10 is ground wire rows of whole distribution box system.
Four busbars 2 are respectively A, B, C phase and zero line, and miniature circuit breaker 6 is divided into single-stage one, bipolar one, three pole one, four pole one.The access location of one pole one is A, B, C phase three kinds, and bipolar one is A zero, B zero, C 03 kinds, and three poles one are A, B, C mono-kind, four poles be integrally A, B, C, 01 kinds, combination in any according to demand during use.
See Figure 10-Figure 21, described busbar connector 3 is made up of collet 31, pressing plate 32 and jackscrew 33, and collet 31 is U-board, and relative both sides are provided with rectangular opening 312; The middle part of pressing plate 32 is provided with screw 323, and screw in jackscrew 33 in screw 323, pressing plate 32 penetrates from the rectangular opening 312 of collet 31, and the width of pressing plate 32 coordinates with rectangular opening 312, and the length of pressing plate 32 is slightly longer than the spacing at collet 31 two ends.
Two jiaos, the top of the rectangular opening 312 of described collet 31 side is provided with circular arc positioning rib 311.The protuberance 322 protruded to Width is provided with in one end of described pressing plate 32, be provided with two breach 321 coordinated with described circular arc positioning rib 311 on the both sides of the other end of close pressing plate 32, inserting collet 31 for limiting pressing plate 32 and compressing the displacement of the rear facade of rear collet 31 along direction of insertion.This device collet 31 can be made into by a location number one townhouse form.
The lower end of described jackscrew 33 is that the cylindrical projection 331(that coordinates with the circular port of Wiring nose of plane (see Figure 20) or be provided with is see Figure 21), the former is for the connection between busbar, and the latter is used for busbar and connects Wiring nose.When busbar connects Wiring nose, the cylindrical projection 331 of jackscrew 11 is inserted in the circular hole of Wiring nose, but it is highly less than the thickness of Wiring nose, makes Wiring nose also non-dismountable under horizontal external effect.
When the connection of busbar and busbar, busbar and Wiring nose, one side's busbar is fixing, and end punching, now need the opposing party's busbar or the Wiring nose that add or change different size, busbar connector 3 of the present invention is used to carry out this connection the most convenient, to need the both sides' (mark 2,4 in Figure 10) connected in the same way or in vertically superposed insertion collet 31, tighten jackscrew 33 and compress and can complete connection.
See Figure 22-Figure 31, described plug-in type busbar conduction dop 7 is made up of lug plate 71 and spring clip, lug plate 71 is made up of the copper sheet of a pairing approximation η shape, its short side is relative, long side closes up the tail end 711 being welded to each other composition lug plate below short side, for being connected with the inner binding post of miniature circuit breaker 6; Spring clip is made up of large U-shaped sheet 72, little U-shaped sheet 73, large and small U-shaped sheet is structure as a whole (see Figure 30 and Figure 31) or Split type structure (see Figure 26-29), the bottom of large U-shaped sheet 72 is positioned at bottom little U-shaped sheet 73, the U-shaped mouth of spring clip snaps in the inner side of two short sides of lug plate 71, the top of large U-shaped sheet 72 is against the top of short side, and the top of little U-shaped sheet 73 is against the bottom of short side.
The tail end 711 of described lug plate is positioned at the side (inclined tail end) of lug plate or middle (straight tail end), the object of the design of two kinds of tail ends 711 is, when the inner link position of miniature circuit breaker 6 is fixing, plug-in type busbar is made to conduct electricity dop 7 between the rectangular teeth 61 that miniature circuit breaker 6 is different.
The advantage of plug-in type busbar conduction dop 7 is that, when spring clip snaps in lug plate 71, little U-shaped sheet 73, in the rear end of lug plate 71 coupling part, produces moment of flexure inside butted line sheet 71, inwardly produces the excess of stroke relative to the former distance of two lug plates.Meanwhile, large U-shaped sheet 72 is stuck in the front end of lug plate 71 coupling part, produces moment of flexure outside butted line sheet 71, inwardly produces the excess of stroke relative to the former distance of two lug plates 71.Under the effect of two excess of stroke, when plug inserts the recovery of the busbar excess of stroke, between the short side of two lug plates 71, two contact planes can be fitted completely with upper and lower two planes of busbar, thus ensure the stable transfer of electric current.
Occupation mode of the present invention: install plug-in type busbar conductive contact 7 by out of phase (between different rectangular teeths 61) in the side of miniature circuit breaker 6.By the guiding of guide rail 9, relatively respectively insert corresponding phase place busbar 2 from left and right.Select any miniature circuit breaker 6(on any one side hereinafter referred to as switch) as service entrance switch, after higher level's inlet wire is connected with non-intrusive side (namely not inserting the side of the busbar 2) leading-out terminal 63 of this switch, turn on-switch then rest switch inserting side (inserting the side of busbar 2) is all charged, its non-intrusive side is then as leading-out terminal, in the energized state, even if inlet wire miniature circuit breaker 6 closes, only the switch of required replacing need be disconnected during to change any switch, remove outlet, extract switch, insert new switch again, connect outlet and can recover this loop power supply, do not affect the normal power supply of its cocircuit.Use the terminal distribution box manufactured by miniature circuit breaker of this kind of mode can by standard series Prefabrication, can first by casing, guide rail, incoming-line busbar, zero ground busbar are preset integrated.User only need by the Demand Design of oneself, counter circuit number and contact capacity, and press the integrated good casing of feeder number selection, by each circuit switching Capacity Selection switch and quantity, the switch chosen is inserted in guide rail successively, can general assembly be completed, standard, efficient, low cost can be realized.
In addition, the present invention adopts rectangular teeth 61 one end of paired miniature circuit breaker 6 to be relatively plugged on the both sides of busbar 2, such layout can increase the quantity of circuit breaker compared with the layout (such as vertical direction) of other modes in certain space, if adopt vertical direction and busbar grafting, one row's circuit breaker (can not arrange circuit breaker below base plate) then can only be set, the circuit breaker doubled by contrast.
Claims (6)
1. a miniature circuit breaker level is inserted into line structure relatively, comprise miniature circuit breaker and busbar, many busbars divide Spaced to be fixed on side by side on base plate, it is characterized in that, one side of something of one end of described miniature circuit breaker is provided with multiple rectangular teeth corresponding with many busbars, be provided with the plug-in type busbar conduction dop as miniature circuit breaker end of incoming cables in groove between certain a pair rectangular teeth, be provided with leading-out terminal at the other end of miniature circuit breaker; Rectangular teeth one end of paired miniature circuit breaker is plugged on the both sides of busbar relatively, the plug-in type busbar conduction dop of each miniature circuit breaker is connected on a busbar, relatively mutually coincide to the rectangular teeth of a miniature circuit breaker one side of something inserted and the rectangular teeth of another miniature circuit breaker one side of something; Base plate is provided with the guide rail installing miniature circuit breaker; Busbar is connected with external wire by busbar connector; Described plug-in type busbar conduction dop is made up of lug plate and spring clip, lug plate is made up of the copper sheet of a pairing approximation η shape, its short side is relative, and long side closes up the tail end being welded to each other composition lug plate below short side, for being connected with the inner binding post of miniature circuit breaker; Spring clip is made up of large and small U-shaped sheet, large and small U-shaped sheet is structure as a whole or Split type structure, the bottom of large U-shaped sheet is positioned at bottom little U-shaped sheet, the U-shaped mouth of spring clip snaps in the inner side of two short sides of lug plate, the top of large U-shaped sheet is against the top of short side, and the top of little U-shaped sheet is against the bottom of short side.
2. miniature circuit breaker level according to claim 1 is inserted into line structure relatively, it is characterized in that, the tail end of described lug plate is positioned at side or the centre of lug plate.
3. miniature circuit breaker level according to claim 1 is inserted into line structure relatively, it is characterized in that, described busbar connector is made up of collet, pressing plate and jackscrew, and collet is U-board, and relative both sides are provided with rectangular opening; The middle part of pressing plate is provided with screw, and screw in jackscrew in screw, pressing plate penetrates from the rectangular opening of collet, and the width of pressing plate coordinates with rectangular opening, and the length of pressing plate is slightly longer than the spacing at collet two ends.
4. miniature circuit breaker level according to claim 3 is inserted into line structure relatively, it is characterized in that, two jiaos, the top of the rectangular opening of described collet side is provided with circular arc positioning rib; Be provided with the protuberance protruded to Width in one end of described pressing plate, be provided with two breach coordinated with described circular arc positioning rib on the both sides of the other end near pressing plate.
5. miniature circuit breaker level according to claim 3 is inserted into line structure relatively, it is characterized in that,
The lower end of described jackscrew is plane or is provided with the cylindrical projection coordinated with the circular groove of Wiring nose, and the former is for the connection between busbar, and the latter is used for the connection of busbar and Wiring nose.
6. miniature circuit breaker level according to claim 1 is inserted into line structure relatively, it is characterized in that, the equal chamfering in corner of described busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178360.0A CN103915298B (en) | 2014-04-30 | 2014-04-30 | Miniature circuit breaker level is inserted into line structure relatively |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178360.0A CN103915298B (en) | 2014-04-30 | 2014-04-30 | Miniature circuit breaker level is inserted into line structure relatively |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103915298A CN103915298A (en) | 2014-07-09 |
| CN103915298B true CN103915298B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410178360.0A Active CN103915298B (en) | 2014-04-30 | 2014-04-30 | Miniature circuit breaker level is inserted into line structure relatively |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414529A (en) * | 2007-10-17 | 2009-04-22 | 三菱电机株式会社 | Inserting circuit breaker |
| CN203553410U (en) * | 2013-07-11 | 2014-04-16 | 施耐德电器工业公司 | Bus bar short module, DC miniature circuit breaker and DC switch |
| CN203812818U (en) * | 2014-04-30 | 2014-09-03 | 王卫庆 | Miniature circuit breaker horizontal opposite insertion inlet wire structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002135914A (en) * | 2000-10-26 | 2002-05-10 | Matsushita Electric Works Ltd | Panel board |
| JP2012234711A (en) * | 2011-04-30 | 2012-11-29 | Tempearl Ind Co Ltd | Fitting structure of circuit breaker |
-
2014
- 2014-04-30 CN CN201410178360.0A patent/CN103915298B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414529A (en) * | 2007-10-17 | 2009-04-22 | 三菱电机株式会社 | Inserting circuit breaker |
| CN203553410U (en) * | 2013-07-11 | 2014-04-16 | 施耐德电器工业公司 | Bus bar short module, DC miniature circuit breaker and DC switch |
| CN203812818U (en) * | 2014-04-30 | 2014-09-03 | 王卫庆 | Miniature circuit breaker horizontal opposite insertion inlet wire structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103915298A (en) | 2014-07-09 |
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