CN102915887B - Circuit arrangement and comprise the withdrawable circuit breaker of this circuit arrangement - Google Patents
Circuit arrangement and comprise the withdrawable circuit breaker of this circuit arrangement Download PDFInfo
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- CN102915887B CN102915887B CN201110223865.0A CN201110223865A CN102915887B CN 102915887 B CN102915887 B CN 102915887B CN 201110223865 A CN201110223865 A CN 201110223865A CN 102915887 B CN102915887 B CN 102915887B
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Abstract
The invention provides a kind of circuit arrangement and withdrawable circuit breaker, circuit breaker comprises takes out frame and body, wherein, described current circuit is arranged on breaker body, it comprises: end of incoming cables chuck, end of incoming cables chuck support, circuit module in breaker body, end of incoming cables contact liner, leading-out terminal chuck, leading-out terminal chuck support and leading-out terminal contact liner, end of incoming cables chuck support and leading-out terminal chuck support are arranged on end of incoming cables contact liner and leading-out terminal contact liner respectively, and be connected with circuit module in breaker body respectively by corresponding contact liner, end of incoming cables chuck and leading-out terminal chuck are arranged on end of incoming cables chuck support and leading-out terminal chuck support respectively, eliminate client child and plug, reduce the length of circuit, reduce contact point, thus decrease the size of product, reduce power consumption and reduce copper, the consumption of silver.
Description
Technical field
The present invention relates to a kind of circuit arrangement and comprise the circuit breaker of this circuit arrangement, particularly, relate to the circuit arrangement in a kind of withdrawable circuit breaker and comprise the withdrawable circuit breaker of this circuit arrangement.
Background technology
Withdrawable circuit breaker is circuit breaker conventional in low-voltage distribution apparatus at present, and the schematic diagram of withdrawable circuit breaker as shown in Figure 1.In FIG, 1 represents whole circuit breaker, and circuit breaker is by taking out frame 10 and breaker body 20 forms.Wherein, breaker body 20 is taken out guide rail on frame extract out or advance from taking out frame 10 by being arranged on, thus realize circuit breaker with into and out of line end busbar disconnection be communicated with.Fig. 1 presents breaker body 20 from the state of taking out frame 10 extraction.
In existing technology, as shown in Figure 2, it is by the part be arranged on breaker body 20 and be arranged on the part of taking out on frame 10 and form for the circuit arrangement of withdrawable circuit breaker.Wherein, the part be arranged on breaker body 20 comprises: circuit module 206, the end of incoming cables plug 204 be contained on the end of incoming cables contact liner 205 of breaker body 20, the leading-out terminal plug 204 ' be contained on the leading-out terminal contact liner 205 ' of breaker body 20 in breaker body 20.Wherein, in breaker body 20, the two ends of circuit module 206 are connected with end of incoming cables plug 204 and leading-out terminal plug 204 ' with leading-out terminal contact liner 205 ' respectively by end of incoming cables contact liner 205.Be arranged on the part of taking out on frame 10 to comprise: end of incoming cables chuck 203, leading-out terminal chuck 203 ', end of incoming cables chuck support 202, leading-out terminal chuck support 202 ', end of incoming cables client child 101 and leading-out terminal client child 101 '.Wherein, end of incoming cables chuck 203 and leading-out terminal chuck 203 ' are contained on end of incoming cables chuck support 202 and leading-out terminal chuck support 202 ' respectively, and end of incoming cables chuck support 202 is connected with leading-out terminal client child 101 ' with end of incoming cables client child 101 again respectively with leading-out terminal chuck support 202 '.All parts in above-mentioned circuit arrangement can arrange 3 groups or 4 groups according to the needs of use occasion, corresponding to 3 pole circuit breakers or 4 pole circuit breakers.In addition, in each circuit arrangement, according to the size of electric current, end of incoming cables chuck 203 and leading-out terminal chuck 203 ' can arrange many groups respectively.
The busbar of client is connected to end of incoming cables client child 101 and leading-out terminal client child 101 ' respectively at (comprising end of incoming cables busbar 30 and leading-out terminal busbar 30 ').Take out in frame 10 when breaker body 20 is pushed to, then end of incoming cables plug 204 and leading-out terminal plug 204 ' insert in the end of incoming cables chuck 203 taken out on frame 10, leading-out terminal chuck 203 ' respectively, and when end of incoming cables busbar 30, leading-out terminal busbar 30 ' are connected to client child 101,101 ', realize circuit breaker and being communicated with into and out of line end busbar, the elasticity of chuck ensure that reliable contacts.Electric current from end of incoming cables busbar 30 by circuit module 206 → leading-out terminal plug 204 ' → leading-out terminal chuck 203 ' → leading-out terminal chuck support 202 ' → leading-out terminal client child 101 ' → leading-out terminal busbar 30 ' in the plug 204 → breaker body of chuck 203 → end of incoming cables, chuck support 202 → end of incoming cables, client child 101 → end of incoming cables, end of incoming cables (wherein, can reverse wiring, end of incoming cables and leading-out terminal are exchanged).
Such structure, current path is long, contact point is many, there is the shortcoming that contact resistance is large, power consumption is high, complex structure, product size are large.In addition, because the material of conductive pieces all in circuit arrangement is fine copper, coating is silvering, and the structure of circuit breaker is 3 poles or 4 poles entirely, therefore a large amount of copper of cost and ag material is needed, and the price of metal material is also going up day by day, while the product of therefore this structure, there is the high shortcoming of cost.
Therefore, just there is the demand solving these problems above-mentioned.
Summary of the invention
The present invention makes in view of the foregoing problems, the object of the present invention is to provide a kind of can structure simple, volume is little, contact point is few, low in energy consumption, consumption copper, the few circuit arrangement of silver.
The invention provides a kind of circuit arrangement, for in withdrawable circuit breaker, circuit breaker comprises takes out frame and body, breaker body can be extracted out from taking out frame or push, make circuit breaker and enter, leading-out terminal busbar is in disconnection or connected state, described current device is arranged on breaker body, it comprises: end of incoming cables chuck, end of incoming cables chuck support, circuit module in breaker body, end of incoming cables contact liner, leading-out terminal chuck, leading-out terminal chuck support and leading-out terminal contact liner, end of incoming cables chuck support and leading-out terminal chuck support are arranged on end of incoming cables contact liner and leading-out terminal contact liner respectively, and be connected with circuit arrangement in breaker body respectively by corresponding contact liner, end of incoming cables chuck and leading-out terminal chuck are arranged on end of incoming cables chuck support and leading-out terminal chuck support respectively, when taking out in frame for being pushed at breaker body, clamp respectively and be arranged on circuit breaker and take out end of incoming cables busbar on frame and leading-out terminal busbar, make circuit breaker and enter, leading-out terminal busbar is in connected state, breaker body by from take out frame extract out time, be separated with corresponding busbar respectively, make circuit breaker and enter, leading-out terminal busbar is in off-state.
Present invention also offers a kind of withdrawable circuit breaker comprising foregoing circuit device.
Circuit arrangement of the present invention is by optimizing existing circuit arrangement structure, and the length of minimizing circuit arrangement, reduces contact point, thus decrease the size of product, reduces power consumption and reduces copper, silver-colored consumption.
Accompanying drawing explanation
Other aspects, features and advantages are easy to understand by along with while considering by reference to the accompanying drawings with reference to being described below in detail and can being determined easily.
Fig. 1 is the schematic perspective view of withdrawable circuit breaker;
Fig. 2 is the schematic diagram of the circuit arrangement in the withdrawable circuit breaker of prior art;
Fig. 3 is the schematic diagram of the circuit arrangement of the specific embodiment of the present invention;
Fig. 4 is the schematic diagram of the breaker body of prior art;
Fig. 5 is the schematic diagram of the breaker body (installation of chuck level) in the specific embodiment of the present invention;
Fig. 6 is the schematic diagram of the breaker body (chuck is vertically installed) in the specific embodiment of the present invention;
Fig. 7 is the schematic diagram of locating groove in the specific embodiment of the present invention;
Fig. 8 be in specific embodiment of the invention busbar relative to the example of the parallel mounting means of backboard;
Fig. 9 be in specific embodiment of the invention busbar relative to the example of backboard at right angle setting mode.
Accompanying drawing is intended to the illustrative embodiments describing present disclosure, should not be construed as limiting its scope.Unless explicitly stated otherwise, accompanying drawing should not be considered to draw in proportion.
Embodiment
Now the present invention will be described in detail with embodiment by reference to the accompanying drawings.
Fig. 3 is the schematic diagram of the circuit arrangement of the specific embodiment of the present invention.Wherein, the same with existing circuit breaker 1 of circuit module 206 in breaker body 20, difference is, be arranged in the circuit breaker 1 of prior art and take out on end of incoming cables contact liner 205 and leading-out terminal contact liner 205 ' that end of incoming cables chuck support 202 in frame 10 and leading-out terminal chuck support 202 ' be installed in breaker body 20 in the present embodiment respectively, end of incoming cables chuck 203 and leading-out terminal chuck 203 ' are contained on end of incoming cables chuck support 202 and leading-out terminal chuck support 202 ' respectively, for directly clamping end of incoming cables busbar 30, leading-out terminal busbar 30 '.End of incoming cables client child 101 in the circuit breaker of prior art, leading-out terminal client child 101 ', end of incoming cables plug 204 and leading-out terminal plug 204 ' are omitted, and be installed take out on frame 10 without any current-carrying part.
Be installed at busbar 30,30 ' and take out after on frame 10, after breaker body 20 is pushed into and takes out frame 10, end of incoming cables chuck 203 and leading-out terminal chuck 203 ' are clamped respectively to be fixed on and are taken out end of incoming cables busbar 30 on frame and leading-out terminal busbar 30 ', make electric current from end of incoming cables busbar 30 by circuit arrangement 206 → leading-out terminal chuck support 202 ' → leading-out terminal chuck 203 ' → leading-out terminal busbar 30 ' in the chuck support 202 → breaker body of chuck 203 → end of incoming cables, end of incoming cables (wherein, can reverse wiring, end of incoming cables and leading-out terminal are exchanged).
Fig. 4 is the schematic diagram of breaker body 20 in the circuit breaker of prior art.In the breaker body shown in Fig. 4, be provided with the device of 3 groups of ends of incoming cables and leading-out terminal.Upper as can be seen from figure, there are 3 groups of end of incoming cables plugs 204 and leading-out terminal plug 204 ' to be arranged on body 20, take out in the corresponding chuck of frame 10 for inserting to be arranged on.Fig. 5, Fig. 6 are the schematic diagram of the breaker body 20 in the specific embodiment of the present invention.In the breaker body shown in Fig. 5, Fig. 6, be also provided with the device of 3 groups of ends of incoming cables and leading-out terminal.Upper as can be seen from figure, body 20 does not arrange plug, but end of incoming cables chuck 203 and leading-out terminal chuck 203 ' are directly set.Can find out simultaneously, by four equidistant screws on end of incoming cables contact liner 205 and leading-out terminal contact liner 205 ', end of incoming cables chuck support 202 can be installed with leading-out terminal chuck support 202 ' in the both direction of relative 90 °, therefore the end of incoming cables chuck 203 pressed from both sides thereon also can be installed with leading-out terminal chuck 203 ' in the both direction of relative 90 °, as in Figure 5, end of incoming cables chuck 203, leading-out terminal chuck 203 ' is level installation (circuit breaker is placed according to using state), this mounting means of chuck, make busbar can be in figure 6, end of incoming cables chuck 203, leading-out terminal chuck 203 ' is for vertically installing (circuit breaker is placed according to using state).Such setting thus realize busbar relative to the parallel installation of backboard and busbar vertically arranged relative to backboard scene select.
As shown in Figure 7, the backboard taking out frame has the draw-in groove (102,103,102 ', 103 ') installing busbar, take out on frame 10 so that busbar can accurately be arranged on by client easily.In the figure 7,102 and 102 ' is for the draw-in groove of busbar relative to backboard at right angle setting, and 103,103 ' is for the draw-in groove of busbar relative to the parallel installation of backboard.In order to make busbar can be fixed on backboard, also need to use the securing members (not shown) such as screw to be fixed.Certainly, the method fixing to it is not limited to screw, and the fixing means that any those skilled in the art commonly use is all also for this occasion.
Fig. 8 be in specific embodiment of the invention busbar relative to the example of the parallel mounting means of backboard.The structure of the busbar 31,31 ' that this mode is installed as shown in Figure 8, is L shape.Fig. 9 is that in specific embodiment of the invention, busbar is relative to the example of backboard at right angle setting mode, and the structure of the busbar 30,30 ' that this mode is installed is strip, does not have the bending part of the busbar in Fig. 8.
As can be seen from describing above, the circuit arrangement formed is compared with the circuit arrangement in existing circuit breaker, eliminate plug and these two parts of client child, enormously simplify structure, decrease contact point, reduce contact resistance, and reduce volume, make it in power distribution cabinet, have layout more flexibly.Because these two parts all need to be made of copper, eliminate these two parts and also just omit amount of copper consuming, reduce cost.And this improvement make use of the device in existing circuit breaker completely, without the need to otherwise designed, process any parts, also without the need to making any change to other parts of existing circuit breaker.
Describing in the execution mode process shown in figure, in order to clearly cause have employed specific term.But the disclosure of this patent specification is not intended to be confined to this particular term so selected, and is interpreted as each particular element and comprises all operations in a similar manner and the technically equivalent ones realizing similar effect.
For the some embodiments of the present invention so described, it is evident that they can change in many ways.This modification should not thought to depart from scope of the present invention, but all this improvement intentions are to comprise within the scope of the present invention.
Claims (9)
1. a circuit arrangement, for comprise take out frame and breaker body withdrawable circuit breaker in, breaker body can be extracted out from taking out frame or push, and circuit breaker is disconnected or connected state with being in into and out of line end busbar,
It is characterized in that,
Described circuit arrangement is arranged on breaker body, and comprises: circuit module, end of incoming cables contact liner, leading-out terminal chuck, leading-out terminal chuck support and leading-out terminal contact liner in end of incoming cables chuck, end of incoming cables chuck support, breaker body,
Wherein,
End of incoming cables chuck support and leading-out terminal chuck support are arranged on end of incoming cables contact liner and leading-out terminal contact liner respectively, and are connected with circuit module in breaker body respectively by corresponding contact liner,
End of incoming cables chuck and leading-out terminal chuck are arranged on end of incoming cables chuck support and leading-out terminal chuck support respectively, when taking out in frame for being pushed at breaker body, clamp respectively and be arranged on circuit breaker and take out end of incoming cables busbar on frame and leading-out terminal busbar, make circuit breaker and be in connected state into and out of line end busbar, breaker body by from take out frame extract out time, be separated with corresponding busbar respectively, make circuit breaker and be in off-state into and out of line end busbar.
2. circuit arrangement as claimed in claim 1, is characterized in that, end of incoming cables contact liner and leading-out terminal contact liner is provided with four equidistant screws, can install for making end of incoming cables chuck with leading-out terminal chuck in the both direction of relative 90 °.
3. circuit arrangement as claimed in claim 2, it is characterized in that, described end of incoming cables chuck and leading-out terminal chuck are installed in the horizontal direction.
4. circuit arrangement as claimed in claim 2, it is characterized in that, described end of incoming cables chuck and leading-out terminal chuck are installed at vertical direction.
5. a withdrawable circuit breaker, comprises breaker body and takes out frame, and breaker body can be extracted out from taking out frame or push, and makes circuit breaker and be in into and out of line end busbar to disconnect or connected state,
It is characterized in that,
Breaker body comprises: circuit module, end of incoming cables contact liner, leading-out terminal chuck, leading-out terminal chuck support and leading-out terminal contact liner in end of incoming cables chuck, end of incoming cables chuck support, breaker body,
Wherein,
End of incoming cables chuck support and leading-out terminal chuck support are arranged on end of incoming cables contact liner and leading-out terminal contact liner respectively, and are connected with circuit module in breaker body respectively by corresponding contact liner,
End of incoming cables chuck and leading-out terminal chuck are arranged on end of incoming cables chuck support and leading-out terminal chuck support respectively, when taking out in frame for being pushed at breaker body, clamp respectively and be arranged on circuit breaker and take out end of incoming cables busbar on frame and leading-out terminal busbar, make circuit breaker and be in connected state into and out of line end busbar, breaker body by from take out frame extract out time, be separated with corresponding busbar respectively, make circuit breaker be in off-state.
6. withdrawable circuit breaker as claimed in claim 5, is characterized in that, described in take out frame backboard be provided with the draw-in groove installing busbar.
7. withdrawable circuit breaker as claimed in claim 5, is characterized in that, end of incoming cables contact liner and leading-out terminal contact liner is provided with four equidistant screws, can install for making end of incoming cables chuck with leading-out terminal chuck in the both direction of relative 90 °.
8. withdrawable circuit breaker as claimed in claim 7, it is characterized in that, described end of incoming cables chuck and leading-out terminal chuck are installed in the horizontal direction.
9. withdrawable circuit breaker as claimed in claim 7, it is characterized in that, described end of incoming cables chuck and leading-out terminal chuck are installed at vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223865.0A CN102915887B (en) | 2011-08-05 | 2011-08-05 | Circuit arrangement and comprise the withdrawable circuit breaker of this circuit arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223865.0A CN102915887B (en) | 2011-08-05 | 2011-08-05 | Circuit arrangement and comprise the withdrawable circuit breaker of this circuit arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102915887A CN102915887A (en) | 2013-02-06 |
| CN102915887B true CN102915887B (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110223865.0A Active CN102915887B (en) | 2011-08-05 | 2011-08-05 | Circuit arrangement and comprise the withdrawable circuit breaker of this circuit arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102915887B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3454437A1 (en) * | 2017-09-11 | 2019-03-13 | ABB S.p.A. | Low voltage electrical switchboard |
| CN108535643B (en) * | 2018-06-22 | 2023-06-27 | 杭州之江开关股份有限公司 | Three-phase heavy current detection device of circuit breaker and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108985A (en) * | 1984-12-12 | 1986-08-06 | 西屋电气公司 | The drawout switchgear apparatus that has extensible track |
| US6244891B1 (en) * | 1999-11-05 | 2001-06-12 | Siemens Energy & Automation, Inc. | Circuit breaker movement structure with snap-on draw bracket assembly |
| CN2511025Y (en) * | 2001-10-21 | 2002-09-11 | 无锡市新一代电力电器有限公司 | Dual-power-supply hand-cart type high-voltage switch cabinet |
| CN102118009A (en) * | 2010-01-05 | 2011-07-06 | 北京人民电器厂有限公司 | Electric connection mechanism used for plug-in circuit breaker |
| CN202206054U (en) * | 2011-08-05 | 2012-04-25 | 施耐德电器工业公司 | Circuit arrangement and drawer type breaker having the same |
-
2011
- 2011-08-05 CN CN201110223865.0A patent/CN102915887B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108985A (en) * | 1984-12-12 | 1986-08-06 | 西屋电气公司 | The drawout switchgear apparatus that has extensible track |
| US6244891B1 (en) * | 1999-11-05 | 2001-06-12 | Siemens Energy & Automation, Inc. | Circuit breaker movement structure with snap-on draw bracket assembly |
| CN2511025Y (en) * | 2001-10-21 | 2002-09-11 | 无锡市新一代电力电器有限公司 | Dual-power-supply hand-cart type high-voltage switch cabinet |
| CN102118009A (en) * | 2010-01-05 | 2011-07-06 | 北京人民电器厂有限公司 | Electric connection mechanism used for plug-in circuit breaker |
| CN202206054U (en) * | 2011-08-05 | 2012-04-25 | 施耐德电器工业公司 | Circuit arrangement and drawer type breaker having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102915887A (en) | 2013-02-06 |
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