CN105448606A - Circuit breaker capable of indicating electrified state of load - Google Patents
Circuit breaker capable of indicating electrified state of load Download PDFInfo
- Publication number
- CN105448606A CN105448606A CN201610012642.2A CN201610012642A CN105448606A CN 105448606 A CN105448606 A CN 105448606A CN 201610012642 A CN201610012642 A CN 201610012642A CN 105448606 A CN105448606 A CN 105448606A
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- CN
- China
- Prior art keywords
- circuit breaker
- indicating member
- breaker body
- binding post
- luminescent device
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- Distribution Board (AREA)
Abstract
The invention discloses a circuit breaker capable of indicating the electrified state of a load. The circuit breaker comprises a circuit breaker body and an indicating unit, wherein the indicating unit can be detachably connected to the circuit breaker body and in electric connection with the circuit breaker body; the indicating unit comprises one or more light-emitting devices; and the light-emitting devices can emit light to indicate that the load of the circuit breaker body is electrified. According to the invention, the circuit breaker is obvious in electrified state indicating function, so that the safety of operating staff during detection and maintenance is guaranteed; and moreover, the indicating unit which is designed in a modularized manner is simple in structure, and high in maintainability.
Description
Technical field
The invention belongs to Low Voltage Electrical Apparatus, be specifically related to a kind of circuit breaker that can indicate load-strap electricity condition.
Background technology
Circuit breaker is in a power distribution system mainly for the protection of wire or equipment; can connect, carry, disjunction normal current and connection, carrying, disjunction certain hour improper electric current; namely when break down in distribution system electric current time, circuit breaker rapidly can cut off spreading of circuit prevention accident.Because the simple low price long service life of its structure is widely used in shielding in circuit.
At present, general circuit breaker only adopt handle place marking ON, OFF character or arrange one independently pop-up indicator instruction contact position, whether this indicating mode can not clearly indicate circuit breaker load side charged or whether in gate-dividing state line disconnection, to maintainer, this judges whether circuit breaker is in normal operating conditions and brings puzzlement in "on" position; But if circuit breaker is in gate-dividing state because insulation property reduction causes the charged meeting of load-side to make operating personnel get an electric shock when keeping in repair load-side circuit, there is potential safety hazard.
In prior art, can directly and an aperture opening of the light therethrough circuit breaker front being connected in a luminous lampet of load-side to indicate the electriferous state of circuit breaker load side, but the weak maintenance personal of being unfavorable for of such guidance light pinpoints the problems branch road keeping in repair; When being only that indicator light breaks down, circuit breaker entirety must being carried out dismounting and change, unnecessary waste can be caused like this.
In addition, wire can also be adopted in electric supply system to connect signal lamp to be increased in branch road and carry out signal designation, this mode connected by wire is loaded down with trivial details, and signal lamp installing/dismounting is inconvenient; On feed panel panel, ON signal lamp and circuit breaker display operating area often have certain distance, and such layout is not compact makes whole feeder cabinet volume uneconomical greatly.
Summary of the invention
For effectively solving above-mentioned technological deficiency, the present invention proposes a kind of circuit breaker that can indicate load-strap electricity condition, there is obvious charged deixis, maintenance personal's electriferous state can be reminded to improve fail safe, structural design is compact simultaneously, and space hold is little, keeps in repair and changes convenient, good economy performance.
The invention provides a kind of circuit breaker that can indicate load-strap electricity condition, comprise breaker body and indicating member, indicating member can be detachably connected to breaker body and be electrically connected with breaker body, indicating member comprises luminescent device, and luminescent device indicates the load-strap electricity condition of breaker body by luminescence.
Preferably, indicating member also comprises insulation shell and at least one binding post, and binding post is fixed to insulation shell, and binding post is electrically connected to luminescent device, and for being electrically connected to breaker body to obtain electric power from breaker body.
Preferably, indicating member also comprises transmission element, and luminescent device is arranged to just externally to show through transmission element with the light making luminescent device send transmission element.
Preferably, indicating member also comprises wiring board, and wiring board is fixed in housing, and wiring board is electrically connected to luminescent device and comprises the conductive region being connected to binding post; Binding post comprises the first connecting portion for being fixed to housing, for being electrically connected to the second connecting portion of conductive region and the 3rd connecting portion for being connected to breaker body; Housing is provided with groove and positive stop lug boss, and the first connecting portion is fitted and is secured to positive stop lug boss, and the second connecting portion is electrically connected to conductive region by welding, and the 3rd connecting portion is inserted through groove and extends to indicating member outside.
Preferably, breaker body also comprises elasticity power taking part, power taking part is electrically connected to the load end in breaker body, and power taking part can when the binding post of indicating member be inserted in breaker body, contacts and be subject to the pressure of binding post and strain with binding post.
Preferably, binding post has the first kayser feature, the pedestal of breaker body has the second kayser feature, and the first kayser feature and the second kayser mate features close that indicating member is reliably fixed to breaker body.
Preferably, the inwall of transmission element also comprises reinforcement, there is irregular plane on the surface of reinforcement with the reflection by reducing light.
Preferably, the outside of housing also comprises anti-slip tank.
Preferably, housing also comprises louvre.
Preferably, indicating member comprises one or more luminescent device, and any one luminescent device is single color light emitting devices or dual color light emitting device.
The circuit breaker that can indicate load-strap electricity condition provided by the invention, make circuit breaker be provided with obvious charged deixis, ensure that the detection of operating personnel and the safety of maintenance, simultaneously, the indicating member compact conformation of modularized design, changes and easy to maintenance, good economy performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the circuit breaker of one embodiment of the present of invention, and wherein the cover of circuit breaker removes.
Fig. 2 is the perspective view of the indicating member of one embodiment of the present of invention.
Fig. 3 is the perspective view of the breaker body of one embodiment of the present of invention.
Fig. 4 is the front view of the indicating member of one embodiment of the present of invention, and wherein transmission element is removed.
Fig. 5 is the partial cross stereogram of the indicating member of one embodiment of the present of invention, and wherein transmission element is removed.
Fig. 6 is the cutaway view of the indicating member of one embodiment of the present of invention, and wherein transmission element is removed.
Fig. 7 is the structural representation of the transmission element of one embodiment of the present of invention.
Fig. 8 is the end view of the indicating member of one embodiment of the present of invention.
Embodiment
In order to make the object of this patent, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this patent is explained in further detail.Should be appreciated that specific embodiment described herein only for explaining this patent, and be not used in restriction this patent.
On the contrary, this patent contain any marrow at this patent of being defined by claim and scope are made substitute, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to this patent, in hereafter the details of this patent being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand this patent completely for a person skilled in the art yet.
As shown in figures 1-8, the invention provides a kind of circuit breaker that can indicate load-strap electricity condition, comprise breaker body 300 and indicating member 200.Indicating member 200 can removably be inserted on breaker body 300.Indicating member 200 is module integration unit, and its inside is provided with the luminescent device 201 being used to indicate load-strap electricity condition.Indicating member 200 is electrically connected with breaker body 300.The invention enables circuit breaker to be provided with obvious charged deixis, handled easily personnel judge the electriferous state of circuit breaker, ensure that operating personnel are in the safety detected and in maintenance process.Meanwhile, the indicating member compact conformation of modularized design, change and easy to maintenance, good economy performance.
Particularly, indicating member 200 comprises housing 202 and two binding posts 204.Housing 202 is made up of insulating material.Housing 202 inside accommodates luminescent device 201.Luminescent device 201 is such as arranged on wiring board 212.Stopper slot 211 is provided with, for fixing circuit board 212 in housing 202.Wiring board 212 is electrically connected to luminescent device 201 and two binding posts 204.Such as, wiring board 212 comprises conductive region 216, and binding post 204 can be electrically connected to by conductive region 216 luminescent device 201 be positioned on wiring board 212.Two binding posts 204 are for being electrically connected to breaker body 300.Here describe indicating member 200 and comprise two binding posts 204, but the present invention is not limited thereto.Those skilled in the art can understand indicating member 200 can comprise more or less binding post 204.
Indicating member 200 can also comprise transmission element 203.Transmission element 203 can surround the spatial accommodation of the internal components for holding indicating member 200 together with housing 202, to protect the internal components of indicating member 200.Luminescent device 201 can be arranged to just to transmission element 203, makes the optics sent from luminescent device 201 can inject to indicating member 200 from transmission element 203 outside, thus is observed.
Indicating member 200 is connected power taking by two binding posts 204 with breaker body 300.Such as, breaker body 300 can comprise power taking part 301, and the binding post 204 of indicating member 200 can be connected to the power taking part 301 of breaker body 300.Binding post 204 can be electrically connected to luminescent device 201 by wiring board 212, thus luminescent device 201 is electrically connected to breaker body 300.Simply, functional realiey is convenient for structure of the present invention and displaying principle.
Transmission element 203 can be connected to housing 202 by various modes known in the art such as bonding or welding.According to an embodiment, preferably, transmission element 203 and housing 202 clamping.Particularly, housing 202 has such as three hole clippings 208, position corresponding with hole clipping 208 on transmission element 203 is respectively equipped with card base 209.Card base 209 snaps in hole clipping 208 respectively, so that transmission element 203 is connected to housing 202.This interface arrangment is easy for installation and reliable.Card base 209 is preferably wedge structure, the small end of wedge structure is as the initiating terminal of clamping, along with the increase of clamping stroke, the large end of wedge structure is subject to hole clipping inwall and extrudes and produce strain, under the effect of clamping power, when card base 209 snaps in hole clipping 208 completely, the end face of the large end of wedge structure and the inwall of housing 202 against, make firm the connecting and fixing in the inner of card base 209, and need by instrument during dismounting, to reduce the risk that card base 209 is deviate from.
In addition, in order to increase the self-strength of transmission element 203, be preferably provided with reinforcement 210 at the inwall of transmission element 203, reinforcement 210 increases transmission element 203 and resists the ability destroyed.Simultaneously, there is irregular plane on surface due to reinforcement 210, it can reduce the reflex to the light that luminescent device is launched, thus can reduce because light reflects the concentrated heating caused in housing, and the impact that the display light reducing to cause due to its reflection weakens.
In addition, in order to increase the firmness that two binding posts 204 are connected with housing 202 respectively, preferably, binding post 204 comprises the first connecting portion 217 for being fixed to housing 202, for being electrically connected to the second connecting portion 218 of conductive region 216 and the 3rd connecting portion 221 for the power taking part 301 that is connected to breaker body 300.Preferably, the first connecting portion and the second connecting portion substantially at a right angle relative to the 3rd connecting portion, and the first connecting portion and the second connecting portion almost parallel.Groove 213 and positive stop lug boss 214 is provided with in housing 202.First connecting portion 217 is fitted with positive stop lug boss 214, and such as utilizes bolt 207 grade both to be tightened together.3rd connecting portion 221 is inserted through groove 213, thus extends to indicating member outside.Second connecting portion 218 contacts with conductive region 216, and is such as fixed by modes such as welding, thus makes the second connecting portion 218 can realize firm electrical connection with conductive region 216.This invention ensures that the reliable fixing of binding post 204 and housing 202, reduce the shaking volume of binding post 204, and which thereby enhance binding post 204 and be connected with the reliable electric of power taking part 301, conductive region 216.
Preferably, positive stop lug boss 214 is provided with vestibule 215, and the first connecting portion 217 is provided with connecting hole, and trip bolt 207 is through connecting hole and vestibule 215 and binding post 204 is fastened to positive stop lug boss 214.This structure is simple, connects reliable.
Such as, binding post 204 can be the stamping parts of integral structure.First connecting portion 217 is by bending and molding, and the second connecting portion 218 forms by offering joint-cutting and turn down from joint-cutting place on the first connecting portion 217.This processing technology is simple, easily manufactured.
Power taking part 301 is installed in the pedestal 307 of breaker body 300.Pedestal 307 offers mounting groove, and power taking part 301 is plugged in mounting groove.In order to ensure the contact of power taking part 301 and breaker body 300 load end, avoid virtual connection, power taking part 301 is preferably elastic component.By the pressure that the deformation of power taking part 301 natural resiliency produces, ensure the load end of power taking part 301 and breaker body 300 against.According to an embodiment, power taking part 301 may be selected to be sheet like flexible metallic plate or torsion spring etc.In addition, power taking part 301 can keep Elastic Contact with binding post 204.When binding post 204 inserts in breaker body 300, the strain of power taking part 301 after binding post 204 beginning contacts with power taking part 301, can be made, thus power taking part 301 applies elastic force to make both maintenance close contacts to binding post 204.
Preferably, power taking part 301 specifically arranging in circuit breaker 300 is as follows.As shown in Figure 1, power taking part 301 is plugged in the slot of pedestal 307 inwall, and with the metal shaft 302 be fixed on pedestal 307 against fixing.When circuit breaker 100 is in "on" position, moving contact 304 contacts with fixed contact 305, breaker electrifying, and one end hooking of contact tension spring 303 is in moving contact 304, and the metal shaft 302 of other end hooking on pedestal 307, metal shaft 302 is charged.Power taking part 301 and metal shaft 302 are against carrying out power taking.When load-side is charged, indicating member 200 is luminous by luminescent device 201, and is externally shown by transmission element 203, gives the electriferous state index signal that operating personnel are clear and definite.
In addition, in order to ensure that indicating member 200 is fixed with the reliable of circuit breaker 300, preferably, binding post 204 has the first kayser feature, has the second kayser feature in breaker body 300.First kayser feature and the second kayser feature lean to limit indicating member 200 along the movement being pulled out direction.Two kayser features coordinated can ensure that indicating member 200 and circuit breaker 300 are in place on the one hand, can ensure that the indicating member 200 after installing can not come off easily with circuit breaker 300 on the other hand.
According to an embodiment, the first kayser is characterized as arc boss 205, second kayser be arranged on the 3rd connecting portion 221 of binding post 204 and is characterized as the clamp 306 be arranged on pedestal 307.The upper surface of clamp 306 is provided with guiding surface.During installation, binding post 204 contacts with power taking part 301 through the mating groove 308 on breaker body 300, overcomes the elastic force of power taking part 301, arc boss 205 is contacted with clamp 306.First arc boss 205 slides along the guiding surface of clamp 306, and enter the downside of clamp 306, namely be in place, and due to clamp 306 lower surface and arc boss 205 against and form card access surface, withdrawal force is caused to be greater than insertion force, thus ensure that indicating member 200 and breaker body 300 are reliably fixed, and two kayser feature structures are simple, easy to process.
Certainly, the embodiment of the first kayser characteristic sum second kayser feature is not limited only to this, and such as also the first kayser feature can be set to claw, the second kayser feature is set to draw-in groove; And for example the first kayser characteristic sum second kayser feature is all set to snap fit etc.
The circuit breaker 100 with instruction load-strap electricity condition provided by the invention, the position that preferably two binding posts 204 are positioned at indicating member 200 is also coated with insulating cover 206.This can increase electric clearance and the creepage distance of inner forceful electric power loop and housing 202 outer surface, ensures the safety of operating personnel.
Indicating member 200 can comprise one or more luminescent device 201, and each luminescent device 201 can be single color light emitting devices or dual color light emitting device.For single color light emitting devices, bright, the two kinds of show states that go out by luminescent device indicate load-strap electricity conditions.For dual color light emitting device, the charged whether state of load can be indicated according to the different colours of luminescent device.
Other electronic devices on luminescent device 201 and wiring board 212 all can generate heat, and in indicating member 200, temperature is too high, preferably on housing 202, is provided with louvre 219.Louvre 219 can be provided with many, such as spaced set, is convenient to realize distributing of heat fast.
Preferably, housing 202 is also provided with the anti-slip tank 220 of many spaced sets, anti-slip tank 220 is set to semicircular structure, when dismantling indicating member 200, can increase finger and the frictional force effect on housing 202 surface, avoiding slippage to cause and fall.
The present invention is illustrated by above-described embodiment, but should be understood that, above-described embodiment just for the object of illustrating and illustrate, and is not intended to the present invention to be limited in described scope of embodiments.In addition it will be appreciated by persons skilled in the art that the present invention is not limited to above-described embodiment, more kinds of variants and modifications can also be made according to instruction of the present invention, within these variants and modifications all drop on the present invention's scope required for protection.Protection scope of the present invention defined by the appended claims and equivalent scope thereof.
Claims (10)
1. one kind can indicate the circuit breaker (100) of load-strap electricity condition, comprising:
Breaker body (300); With
Indicating member (200), described indicating member (200) can be detachably connected to described breaker body (300) and be electrically connected with described breaker body (300), described indicating member (200) comprises luminescent device (201), and described luminescent device (201) indicates the load-strap electricity condition of described breaker body (300) by luminescence.
2. circuit breaker according to claim 1 (100), wherein, described indicating member (200) also comprises:
Insulation shell (202); With
At least one binding post (204), described binding post is fixed to described housing (202), described binding post (204) is electrically connected to described luminescent device (201), and for being electrically connected to described breaker body (300) to obtain electric power from described breaker body (300).
3. circuit breaker according to claim 2 (100), wherein, described indicating member (200) also comprises transmission element (203), and described luminescent device (201) is arranged to just externally to show through described transmission element (203) with the light making described luminescent device (201) and send described transmission element (203).
4. circuit breaker according to claim 2 (100), wherein,
Described indicating member (200) also comprises wiring board (212), described wiring board (212) is fixed in described housing (202), and described wiring board (212) is electrically connected to described luminescent device (201) and comprises the conductive region (216) being connected to described binding post (204);
Described binding post (204) comprises the first connecting portion (217) for being fixed to described housing (202), for being electrically connected to second connecting portion (218) of described conductive region (216) and the 3rd connecting portion (221) for being connected to described breaker body (300);
Described housing (202) is provided with groove (213) and positive stop lug boss (214), described first connecting portion (217) is fitted and is secured to described positive stop lug boss (214), described second connecting portion (218) is electrically connected to described conductive region (216) by welding, and described 3rd connecting portion (221) is inserted through described groove (213) and extends to described indicating member outside.
5. circuit breaker according to claim 2 (100), wherein
Described breaker body (300) also comprises elasticity power taking part (301), described power taking part (301) is electrically connected to the load end in described breaker body (300), and described power taking part (301) can when the described binding post (204) of described indicating member (200) be inserted in described breaker body (300), contacts with described binding post (204) and be subject to the pressure of described binding post (204) and strain.
6. circuit breaker according to claim 5 (100), wherein
Described binding post (204) has the first kayser feature (205), the pedestal (307) of described breaker body (300) has the second kayser feature (306), described first kayser feature and described second kayser mate features close that described indicating member (200) is reliably fixed to described breaker body (300).
7. circuit breaker according to claim 3 (100), wherein, the inwall of described transmission element (203) also comprises reinforcement (210), there is irregular plane on the surface of described reinforcement (210) with the reflection by reducing light.
8. the circuit breaker (100) according to any one of claim 2-6, wherein, the outside of described insulation shell (202) also comprises anti-slip tank (220).
9. the circuit breaker (100) according to any one of claim 2-6, wherein, described insulation shell (202) also comprises louvre (219).
10. the circuit breaker (100) according to any one of claim 2-6, wherein,
Described indicating member (200) comprises one or more luminescent device (201), and any one luminescent device (201) is single color light emitting devices or dual color light emitting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012642.2A CN105448606B (en) | 2016-01-07 | 2016-01-07 | It can indicate the breaker of load electriferous state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012642.2A CN105448606B (en) | 2016-01-07 | 2016-01-07 | It can indicate the breaker of load electriferous state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448606A true CN105448606A (en) | 2016-03-30 |
| CN105448606B CN105448606B (en) | 2018-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610012642.2A Active CN105448606B (en) | 2016-01-07 | 2016-01-07 | It can indicate the breaker of load electriferous state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448606B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11273535A (en) * | 1998-03-26 | 1999-10-08 | Matsushita Electric Works Ltd | Energization indicating device for terminal board |
| CN200986908Y (en) * | 2006-11-09 | 2007-12-05 | 翊勤科技股份有限公司 | Safe circuit breaking type terminal device with luminous indication |
| CN201018271Y (en) * | 2007-03-16 | 2008-02-06 | 郭长信 | Electric motor protection starter |
| CN201048281Y (en) * | 2007-03-06 | 2008-04-16 | 瑞安市工泰电器有限公司 | Motor protection breaker |
| CN101692576A (en) * | 2009-09-28 | 2010-04-07 | 常州市默顿电气有限公司 | Capacitance compensation switch |
| CN201689840U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Circuit breaker with indicator light |
| CN202259104U (en) * | 2011-08-31 | 2012-05-30 | 首瑞（北京）投资管理集团有限公司 | Stationary contact of circuit breaker |
| CN203812798U (en) * | 2014-05-19 | 2014-09-03 | 国家电网公司 | Distribution network system pole-mounted vacuum circuit breaker additionally provided with electronic position display device |
| CN205487983U (en) * | 2016-01-07 | 2016-08-17 | 首瑞（天津）电气设备有限公司 | Can instruct circuit breaker of electrified state of load |
-
2016
- 2016-01-07 CN CN201610012642.2A patent/CN105448606B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11273535A (en) * | 1998-03-26 | 1999-10-08 | Matsushita Electric Works Ltd | Energization indicating device for terminal board |
| CN200986908Y (en) * | 2006-11-09 | 2007-12-05 | 翊勤科技股份有限公司 | Safe circuit breaking type terminal device with luminous indication |
| CN201048281Y (en) * | 2007-03-06 | 2008-04-16 | 瑞安市工泰电器有限公司 | Motor protection breaker |
| CN201018271Y (en) * | 2007-03-16 | 2008-02-06 | 郭长信 | Electric motor protection starter |
| CN101692576A (en) * | 2009-09-28 | 2010-04-07 | 常州市默顿电气有限公司 | Capacitance compensation switch |
| CN201689840U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Circuit breaker with indicator light |
| CN202259104U (en) * | 2011-08-31 | 2012-05-30 | 首瑞（北京）投资管理集团有限公司 | Stationary contact of circuit breaker |
| CN203812798U (en) * | 2014-05-19 | 2014-09-03 | 国家电网公司 | Distribution network system pole-mounted vacuum circuit breaker additionally provided with electronic position display device |
| CN205487983U (en) * | 2016-01-07 | 2016-08-17 | 首瑞（天津）电气设备有限公司 | Can instruct circuit breaker of electrified state of load |
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| Publication number | Publication date |
|---|---|
| CN105448606B (en) | 2018-06-29 |
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