CN1321429C - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN1321429C CN1321429C CNB2004100474451A CN200410047445A CN1321429C CN 1321429 C CN1321429 C CN 1321429C CN B2004100474451 A CNB2004100474451 A CN B2004100474451A CN 200410047445 A CN200410047445 A CN 200410047445A CN 1321429 C CN1321429 C CN 1321429C
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- China
- Prior art keywords
- circuit
- module
- breaker
- circuit breaker
- holding section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Provided is a circuit breaker, from which a setting module can not be removed while current is flowing. An installation window is formed on a breaker cover covering an electric contact arranged on a breaker base, and in order to mount a setting module, a main body side locking part is formed on the breaker base, and a module side locking part is formed on the setting module. The setting module is inserted toward the breaker base through the installation window in a state that the breaker cover is mounted on the breaker base, and mounted on the breaker base by locking the module side locking part with the main body side locking part. The locking of the module side locking part and the main body side locking part is made impossible to release by the breaker cover.
Description
Technical field
The present invention relates to circuit-breaker, relate in particular to the circuit-breaker with setting module that the operating characteristics of control circuit is set, control circuit wherein sends the obstruction signal that makes the contact open circuit.
Background technology
The Japan Patent spy opens the 2000-306489 communique circuit-breaker with electronic type tripping operation is disclosed.The disclosed electronic type tripping operation of this look-ahead technique has the module that can dismantle freely, and this module that can dismantle freely is relevant with setting device, is used for determining long-term delay protection parameter, with the relevant concurrent lively work of being supported by printed circuit of calculation treatment circuit.The module that this can be dismantled is freely opened the shown in Figure 11 of 2000-306489 as the Japan Patent spy, can be installed on the shell with dismantling freely.
[Patent Document 1]: the spy opens the 2000-306489 communique
But, in the disclosed electronic type tripping operation of look-ahead technique, the setting module that can dismantle freely also can easily be removed in circuit breaker electrifying, the occasion that this setting module is disassembled in the energising, misoperation takes place in the meetings such as microcomputer that are built in circuit-breaker, and the instability action that circuit-breaker trips because of unspecific circuital current takes place.For preventing that this rough sledding from taking place, can consider to adopt the method that makes setting module become not quick detachable grade as countermeasure, yet, if the structure of setting module is designed to be difficult to dismounting, the installation that setting module the takes place rough sledding of difficulty that also becomes.
The objective of the invention is to, both provided and can install setting module easily, can avoid again that setting module is disassembled in energising situation takes place, through the circuit-breaker of improvement.
Summary of the invention
Circuit-breaker of the present invention, possess breaker body and setting module, wherein, above-mentioned breaker body has: the circuit breaker pedestal, be arranged at contact on this circuit breaker pedestal, that can interdict the electric current in the circuit, electric current in the foregoing circuit is detected, makes the control circuit of the obstruction signal of above-mentioned contact open circuit, and be removably installed in the circuit breaker case above-mentioned circuit breaker pedestal, that hide contact, and setting module is removably installed on the above-mentioned breaker body, the operating characteristics of described control circuit is set.
Be provided with the installation window in the above-mentioned circuit breaker case, be respectively equipped with base side holding section and module side holding section on above-mentioned circuit breaker pedestal and the above-mentioned setting module,
Above-mentioned setting module, under above-mentioned circuit breaker case is installed in state on the above-mentioned circuit breaker pedestal, pass the installation window of above-mentioned circuit breaker case and insert towards above-mentioned circuit breaker pedestal, above-mentioned module side holding section and above-mentioned base side holding section are fastened and be installed on the above-mentioned breaker body, and, because the influence in the above-mentioned circuit breaker case, can't remove the operation that engages between above-mentioned module side holding section and base side holding section.
In the circuit-breaker of the present invention, setting module, under the circuit breaker case was installed in state on the circuit breaker pedestal, the installation window that passes the circuit breaker case inserted towards the circuit breaker pedestal, module side holding section and base side holding section are fastened and is installed on the described breaker body.Thereby, under the state after the circuit breaker case is mounted to the circuit breaker pedestal, can easily setting module be mounted on the breaker body.And, under the circuit breaker case has been installed on state on the circuit breaker pedestal, because of the circuit breaker case, and can't remove the operation that engages between module side holding section and base side holding section, therefore, under the circuit breaker case is installed in state on the circuit breaker pedestal, be that contact is hidden by the circuit breaker case, under the state that contact can be switched on, because of the circuit breaker case, make setting module be difficult for pulling down from breaker body, thus, can rely on the simple structure that has adopted the circuit breaker case, prevent to be pulled down from breaker body the generation of the instability action that causes because of setting module in energising.
Brief Description Of Drawings
Fig. 1 is the electric circuit diagram of the embodiment 1 of circuit-breaker of the present invention.
Fig. 2 is the face side stereogram of the circuit-breaker of embodiment 1.
Fig. 3 is the exploded perspective view of a part of the circuit-breaker of embodiment 1.
Fig. 4 is the sectional view of a part of the circuit-breaker of embodiment 1.
Fig. 5 is the stereogram of the setting module that uses in the circuit-breaker of embodiment 1.
Fig. 6 is the face side stereogram of the embodiment 2 of circuit-breaker of the present invention.
Fig. 7 is the exploded perspective view of a part of the circuit-breaker of embodiment 2.
Fig. 8 is the sectional view of a part of the circuit-breaker of embodiment 2.
Fig. 9 is the stereogram of the dummy modules used in the circuit-breaker of embodiment 2.
Figure 10 is the stereogram of the dummy modules used among the embodiment 3 of circuit-breaker of the present invention.
Figure 11 is the exploded perspective view of a part of the embodiment 4 of circuit-breaker of the present invention.
Implement preferred embodiment of the present invention
Below, with reference to accompanying drawing some embodiment of the present invention are illustrated.
Fig. 1 to Fig. 5 represents the embodiment 1 of circuit-breaker of the present invention, Fig. 1 is embodiment 1 electric circuit diagram, Fig. 2 is the face side stereogram of embodiment 1, Fig. 3 is the exploded perspective view of the part of embodiment 1, Fig. 4 be embodiment 1 the sectional view of a part, Fig. 5 is the stereogram of the setting module of embodiment 1.
In the electric circuit diagram of Fig. 1, the circuit-breaker 100 of embodiment 1 possesses, breaker body 10 and be removably mounted on setting module 50 on it.Breaker body 10 has, outside terminal 11,12 connects the electric wiring 13 of this outside terminal 11,12, is arranged at the electric terminal 15 of this electric wiring 13, power supply reaches the control device 20 that electric terminal 15 is carried out open and close controlling with transformer 17, signal with transformer 18.
Outside terminal 11,12, electric wiring 13, electric terminal 15, power supply constitutes three-phase with transformer 17 and signal respectively with transformer 18, and each of the three-phase electric wiring 13 that 15 pairs of outside terminals of electric terminal are 11,12 connected, cut off mutually.Power supply transformer 17, signal electric wiring 13 inductance coupling high of transformer 18 and three-phase, when each electric terminal 15 is connected, output supply voltage Vd, signal voltage Vs.The value of signal voltage Vs is directly proportional with the electric current that flows through electric wiring 13.
The microcomputer of control circuit 25 includes program processor CPU, RAM memory memory, ROM and remember memory, according to be kept at the interior program of ROM memory memory carry out fixed control action.Preserve control data in the RAM memory memory, program processor CPU uses this control data that control signal Vss is monitored.Setting module 50 is connected with control circuit 25 on being installed in breaker body 10 time, in this RAM memory memory, is set with the tripping operation operating characteristics of circuit-breaker 100.
The mechanical realization of relevant embodiment 1 is illustrated with reference to Fig. 2～Fig. 5.Breaker body 10 as shown in Figure 2, has circuit breaker pedestal 30 and circuit breaker case 40.Fig. 2 is illustrated on the circuit breaker pedestal 30 state of installing behind circuit breaker case 40 and the setting module 50.Circuit breaker pedestal 30 and circuit breaker case 40 are made by ester moulding.
Be provided with in the circuit breaker pedestal 30, the outside terminal 11,12, electric wiring 13, electric terminal 15, power supply that is shown in Fig. 1 with transformer 17, signal with transformer 18, control device 20 and be shown in open circuit button 43, closed circuit button 45, the action bars 47 of Fig. 2.Control device 20 is accommodated in as shown in Figure 3 the control cabinet 31.Circuit breaker case 40 for example adopts and offers installing hole 41, is removably installed on the circuit breaker pedestal 30 with screw, hides the electric wiring 13, electric terminal 15, the power supply that are arranged in the circuit breaker pedestal 30 transformer 17 and signal transformer 18.On the circuit breaker case 40, offer several perforates in suitable location, open circuit button 43, closed circuit button 45, the action bars 47 that is arranged at circuit breaker pedestal 30 passes from each hole and exposes surface at circuit breaker case 40.Open circuit button 43 is used at random making electric terminal 15 open circuits, and closed circuit button 45 is used at random making electric terminal 15 closed circuit.Electric terminal 15 is closed circuit to carry out energy storage to action bars 47 in order to make.
Offer on the circuit breaker case 40, under circuit breaker case 40 has been installed in state on the circuit breaker pedestal 30, be used to install the installation window 48 of setting module 50.Setting module 50, the installation window 48 that passes circuit breaker case 40 inserts to circuit breaker pedestal 30, is installed on this circuit breaker pedestal 30.
As shown in Figure 3, control cabinet 31 is installed on the circuit breaker pedestal 30, keeps the control device 20 that is shown in Fig. 1 in this control cabinet 31.In the outside of this control cabinet 31, be provided with the installation recess 31a that is used to install setting module 50 usefulness, setting module 50 is removably installed in this installation recess 31a.
Relevant this setting module 50 and installation constitution thereof are illustrated with reference to Fig. 4, Fig. 5.Fig. 4 represents circuit breaker case 40 is installed on the circuit breaker pedestal 30, and the setting module 50 installation window 48 that passes circuit breaker case 40 is installed in the state on the circuit breaker pedestal 30.
Be used to install the installation recess 31a place of setting module 50, the outstanding base side holding section 33,34 that is used to install setting module 50 that is provided with on the two side of control cabinet 31.This base side holding section 33,34 is faced mutually, forms with control cabinet 31.On this base side holding section 33,34, be formed with joggling part 33a, 34a that jag separately forms towards the other side's warpage mutually.In addition, between each base side holding section 33,34, give prominence to be provided with a pair of opposed facing base side boxboard 35,36 with control cabinet 31 with becoming one.Between this base side boxboard 35,36, be provided with base side circuit substrate 37, on this base side circuit substrate 37 base side interfacing part 38 be installed.In addition, on base side boxboard 35,36, be formed with auxiliary joggling part 35a, the 36a that faces mutually with joggling part 33a, 34a with boxboard 35,36 with becoming one.
The both sides of module substrate 51 are provided with a pair of mounting panel 61,62.This is to mounting panel 61,62, with module substrate 51 become one ground, be formed from a resin, extend to its both sides abreast substantially with module substrate 51.On bearing of trend outer rim 61a, the 62a of this each mounting panel 61,62, be respectively equipped with module side holding section 63,64.This module side holding section 63,64 is formed from a resin with module substrate 51 and mounting panel 61,62 with becoming one, from mounting panel 61,62 right angle warpages, outstanding to circuit breaker pedestal 30 directions.Jag in this module side holding section 63,64 is formed with hook-shaped 63a, the 64a that joggling part 35a, 36a with base side holding section 33,34 fasten.Module side holding section 63,64 has the elasticity of regulation, and the snap action that produces by means of this elastic reaction engages with joggling part 33a, the 34a of base side holding section 33,34.
The installation window 48 of circuit breaker case 40 is rectangle, and as shown in Figure 4, has the pair of openings wall 48a, the 48b that face one another.This perforated wall 48a, 48b, when circuit breaker case 40 is installed on circuit breaker pedestal 30, and setting module 50 is installed under the state of installing in the recess 31a, is positioned on the summary position in the outer part of outer rim 61a, 62a of mounting panel 61,62.In other words, the interval W2 of perforated wall 48a, the 48b of window 48 is installed, and between the banner W1 by the setting module that outer rim 61a, 62a limited 50 of the mounting panel 61,62 of setting module 50, has following relation:
W2＝W1+2α
Wherein, α for perforated wall 48a, 48b that window 48 is installed respectively and the gap between mounting panel 61,62 outer rim 61a, the 62a of module 50.This gap α sets for, compare with people's finger much narrow, thereby stop people's finger to insert among each gap α.Thereby, though can passing, installs in the installation recess 31a of control cabinet 31 that window 48 is installed into circuit breaker pedestal 30 setting module 50, under circuit breaker case 40 is installed in state on the circuit breaker pedestal 30, but setting module 50 can't be pulled down.
Below, the fitting operation of setting module 50 is illustrated.Under circuit breaker case 40 is installed in state on the circuit breaker pedestal 30, setting module 50 by the direction configuration of its module side holding section 63,64 towards the installation recess 31a of control cabinet 31, is passed under this state and window 48 is installed is inserted towards circuit breaker pedestal 30.
In the operating process of inserting setting module 50, crook 63a, the 64a of module side holding section 63,64 contact with joggling part 33a, the 34a of base side holding section 33,34 earlier.Under this state further with setting module 50 when circuit breaker pedestal 30 inserts, module side holding section 63,64 deforms, make its crook 63a, 64a cross joggling part 33a, 34a, snap action when crossing joggling part 33a, 34a state because of crook 63a, 64a, crook 63a, 64a are engaged securely mutually with joggling part 33a, 34a, finished during this state that setting module 50 is installed on the operation that recess 31a is installed.
Be installed under the state of installing in the recess 31a at this setting module 50, perforated wall 48a, the 48b of the installation window 48 of circuit breaker case 40 are positioned on the summary position in the outer part that is close to mounting panel 61,62 outer rim 61a, 62a, form gap α.Because of can stoping people's finger, inserts this gap α, thereby, under circuit breaker case 40 is installed in state on the circuit breaker pedestal 30, can't operate module side holding section 63,64, thereby can not remove the operation that engages between module side holding section 63,64 and the base side holding section 33,34.Because, being under the closed circuit "on" position at electric terminal 15, circuit breaker case 40 can not be removed from circuit breaker pedestal 30, thereby when the electric terminal 15 in breaker body 10 was in closed circuit state, setting module 50 can not be removed.
With the occasion that setting module 50 is removed from circuit breaker pedestal 30, must make electric terminal 15 open circuits before this earlier, afterwards circuit breaker case 40 is removed from circuit breaker pedestal 30.After circuit breaker case 40 is removed, setting module 50 is in the state of not covered, thereby available manual manipulation module side holding section 63,64, separately engaging between its crook 63a, 64a and joggling part 33a, 34a, thus, setting module 50 is removed from recess 31a is installed.
As mentioned above, among the embodiment 1, the installation window 48 that setting module 50 is passed on the circuit breaker case 40 inserts facing to circuit breaker pedestal 30, just can carry out the installation of setting module 50 easily, and because of circuit breaker case 40 can not be removed engaging between module side holding section 63,64 and the base side holding section 33,34, thus, can prevent the generation of the state of affairs that setting module 50 is removed in electric terminal 15 energisings, and eliminate the instability action of the circuit-breaker 100 that therefore produces.In addition,, setting module 50 can be removed by circuit breaker case 40 is pulled down from circuit breaker pedestal 30, thereby, can change setting module 50.
Embodiment 2
Fig. 6 to Fig. 9 represents the embodiment 2 of circuit-breaker of the present invention.The stereogram of the face side of the embodiment when Fig. 6 is installed in state on the circuit breaker pedestal 30 for circuit breaker case 40, Fig. 7 is the exploded perspective view of the part of embodiment 2, the sectional view of the part of the embodiment 2 when Fig. 8 is installed in state on the circuit breaker pedestal 30 for circuit breaker case 40 and dummy modules 50A, Fig. 9 be the stereogram of the dummy modules 50A of employing among the embodiment 2.
This embodiment 2 installed the dummy modules 50A that substitutes setting module 50 earlier before setting module 50 is installed.This dummy modules 50A, have shape and the size identical with setting module 50, be to carry out module that control data sets, to be the module that does not possess module side circuit substrate 55 and module side interfacing part 57 control device 20, be constituted as and dismantle easily.
This dummy modules 50A especially can be clear that from Fig. 8, and crook 65a, the 66a of its module side holding section 65,66 and the auxiliary joggling part 35a, the 36a that are positioned at the base side boxboard 35,36 of 33,34 inboards, base side holding section fasten.This dummy modules 50A on the appearance side of outer rim 61a, the 62a of its mounting panel 61,62, has engaging and removes handle 71,72.This engaging is removed handle 71,72 and is used for, and under circuit breaker case 40 is installed in state on the circuit breaker pedestal 30, removes the module side holding section 65,66 of dummy modules 50A and engaging of auxiliary joggling part 35a, 36a.
As mentioned above, present embodiment 2 can replace setting module 50 with dummy modules 50A and be installed on breaker body 10, and dismountable dummy modules 50A, easily setting module 50 is installed on the breaker body 10.
Embodiment 3
Figure 10 is the stereogram of the dummy modules 50B that adopts among the embodiment 3 of circuit-breaker of the present invention.
This dummy modules 50B forms the low frangible portion 75 of mechanical strength on mounting panel 61,62.This frangible portion 75 for example is made of several apertures.On this dummy modules 50B, in the outstanding module side holding section 63,64 that has explained among the embodiment 1 that is provided with of rear side of outer rim 61a, the 62a of mounting panel 61,62, and be provided with the engaging that has explained among the embodiment 2 and remove handle 71,72 in its face side is outstanding.Described module side holding section 63,64 and engaging are removed handle 71,72 and module substrate 51 and mounting panel 61,62 and are formed one.Other formation is identical with embodiment 1.Parts to identical with embodiment 1 in the present embodiment adopt identical numbering, and omit explanation.
Among the embodiment 3, mounting panel 61,62 becomes easily deformable because of being provided with frangible portion 75, remove handle 71,72 and press among the figure arrow B direction mutually laterally and operate by engaging, operating physical force that then can be more little is removed operation to engaging between joggling part 33a, the 34a of module side holding section 63,64 and base side.Thereby it is easier to make this engaging remove operation.
Figure 11 is the exploded perspective view of a part of the embodiment 4 of circuit-breaker of the present invention.In the present embodiment 4, set up display unit 80 on the setting module 50.This display unit 80 for example is made of light-emitting diode, when setting module 50 is installed on the installation recess 31a, luminous when module side interfacing part 57 is connected with base side interfacing part 38 of circuit breaker pedestal 30, is loaded onto with expression setting module 50.Other formation is identical with embodiment 1.Parts to identical with embodiment 1 in the present embodiment adopt identical numbering, and omit explanation.
The possibility that industrially is utilized
Circuit-breaker of the present invention, the circuit-breaker as having the electronic type tripping operation can be used as Family and industry circuit-breaker.
Claims (9)
1. a circuit-breaker possesses breaker body and setting module, and wherein, described breaker body has: the circuit breaker pedestal; Be arranged at contact on this circuit breaker pedestal, that can interdict the electric current in the circuit; Electric current in the described circuit is detected, produces the control circuit of the obstruction signal that makes described contact open circuit; And be removably installed in circuit breaker case described circuit breaker pedestal, that hide described contact, and described setting module is removably installed on the described breaker body, the operating characteristics of described control circuit is set, and it is characterized in that,
Form on the described circuit breaker case window be installed, on described circuit breaker pedestal, be provided with the base side holding section, on described setting module, be provided with the module side holding section,
Under described circuit breaker case is installed in state on the described circuit breaker pedestal, described setting module passes described installation window and inserts towards described circuit breaker pedestal, described module side holding section and described base side holding section are fastened and be installed on the described circuit breaker pedestal
And, being installed on described circuit breaker pedestal and described setting module at described circuit breaker case is installed under the state on the described breaker body, the perforated wall of the installation window of described circuit breaker case is positioned at the summary of described setting module outer rim and locates laterally, operate described each module side holding section and remove with described base side holding section between the operation that engages, stoped by described circuit breaker case.
2. circuit-breaker according to claim 1, it is characterized in that, under the state that described circuit breaker case is removed from described circuit breaker pedestal, described setting module is by this module side holding section of operation, can make with described base side holding section between engage releasing.
3. circuit-breaker according to claim 1 is characterized in that, described setting module comprises that both sides have the module substrate of a pair of installation board, at the back side of described each mounting panel, is equipped with described module side holding section respectively.
4. circuit-breaker according to claim 3, it is characterized in that, described module substrate and describedly board is installed respectively and described each module side holding section is integral by resin-shaped, described each module side holding section engages with described base side holding section by snap action.
5 circuit-breakers according to claim 1 is characterized in that, under the state that described setting module is removed from described breaker body, dummy modules can be installed substitute described setting module.
6 circuit-breakers according to claim 5, it is characterized in that, described dummy modules has module substrate, be provided with a pair of installation board in the both sides of this module substrate, be equipped with the module side holding section respectively at this back side that board respectively is installed, remove handle and be equipped with engaging on the described surface that board respectively is installed, engaging between the module side holding section of removing described dummy modules by this engaging releasing handle and described base side holding section.
7 circuit-breakers according to claim 6 is characterized in that, are formed with frangible portion at the board of respectively installing of described dummy modules.
8 circuit-breakers according to claim 7 is characterized in that described frangible portion has several apertures.
9. circuit-breaker according to claim 1 is characterized in that, described setting module is provided with and is used to show that it has been installed in the display unit on the described breaker body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003381440A JP4090983B2 (en) | 2003-11-11 | 2003-11-11 | Circuit breaker |
| JP2003381440 | 2003-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1617282A CN1617282A (en) | 2005-05-18 |
| CN1321429C true CN1321429C (en) | 2007-06-13 |
Family
ID=34690813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100474451A Expired - Fee Related CN1321429C (en) | 2003-11-11 | 2004-05-25 | Circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4090983B2 (en) |
| CN (1) | CN1321429C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101461026B (en) | 2006-06-07 | 2012-01-18 | Fei公司 | Slider bearing for use with an apparatus comprising a vacuum chamber |
| CN109950978A (en) * | 2019-04-26 | 2019-06-28 | 深圳德微电技术有限公司 | A kind of embedded band high definition electrical screen assembly breaker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0320409A1 (en) * | 1987-12-10 | 1989-06-14 | Merlin Gerin | Static release with external supply |
| JP2000306489A (en) * | 1999-03-02 | 2000-11-02 | Schneider Electric Ind Sa | Electronic trip device |
-
2003
- 2003-11-11 JP JP2003381440A patent/JP4090983B2/en not_active Expired - Fee Related
-
2004
- 2004-05-25 CN CNB2004100474451A patent/CN1321429C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0320409A1 (en) * | 1987-12-10 | 1989-06-14 | Merlin Gerin | Static release with external supply |
| JP2000306489A (en) * | 1999-03-02 | 2000-11-02 | Schneider Electric Ind Sa | Electronic trip device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1617282A (en) | 2005-05-18 |
| JP2005149756A (en) | 2005-06-09 |
| JP4090983B2 (en) | 2008-05-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20210525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |