CN105448606B - It can indicate the breaker of load electriferous state - Google Patents

It can indicate the breaker of load electriferous state Download PDF

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Publication number
CN105448606B
CN105448606B CN201610012642.2A CN201610012642A CN105448606B CN 105448606 B CN105448606 B CN 105448606B CN 201610012642 A CN201610012642 A CN 201610012642A CN 105448606 B CN105448606 B CN 105448606B
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China
Prior art keywords
breaker
indicating unit
connecting portion
breaker body
wire connection
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CN201610012642.2A
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Chinese (zh)
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CN105448606A (en
Inventor
南寅
王洪刚
柴国卿
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First Glory (tianjin) Electric Equipment Co Ltd
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First Glory (tianjin) Electric Equipment Co Ltd
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Priority to CN201610012642.2A priority Critical patent/CN105448606B/en
Publication of CN105448606A publication Critical patent/CN105448606A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04Means for indicating condition of the switching device

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Abstract

The invention discloses a kind of breakers that can indicate load electriferous state, including breaker body and indicating unit, indicating unit may be removably coupled to breaker body and is electrically connected with breaker body, indicating unit includes luminescent device, and luminescent device is by shining come the load electriferous state for indicating breaker body.Using the technical solution so that breaker is provided with apparent electrification instruction function, ensure that the detection of operating personnel and the safety of repair, meanwhile, the indicating unit of modularized design is compact-sized, and maintainability is good.

Description

It can indicate the breaker of load electriferous state
Technical field
The invention belongs to Low Voltage Electrical Apparatus, and in particular to a kind of breaker that can indicate load electriferous state.
Background technology
Breaker in a power distribution system mainly for the protection of conducting wire or equipment, can connect, carry, disjunction normal current and It connects, carry, the improper electric current of disjunction certain time, i.e., when failure electric current in distribution system, breaker can be rapid Cut off the sprawling that circuit prevents accident.Because its cheap service life length simple in structure is widely used in playing protection in circuit Effect.
At present, general breaker is indicated only with the independent machinery of marking ON, OFF character at handle or setting one Device indicate contact position, this indicating mode can not be explicitly indicated circuit breaker load side "on" position whether charge or Whether gate-dividing state has been turned off circuit, this judges whether breaker in normal operating conditions brings puzzlement to service personnel; If breaker is in gate-dividing state when repairing load-side circuit but because insulation performance reduction causes load-side electrification that can make behaviour Make personnel's electric shock, there are security risks.
In the prior art, directly and it can be connected in the light of a luminous lampet of load-side and opened through breaker front One aperture indicates the electriferous state of circuit breaker load side, however, such guidance light is weak to be unfavorable for maintenance personal's discovery Problem branch simultaneously repairs;When breaker then must integrally be carried out dismounting and change by the failure of only indicator light, in this way It can cause unnecessary waste.
Refer to furthermore it is also possible to which signal lamp is increased to progress signal in branch using conducting wire connection in electric supply system Show, this cumbersome by way of conducting wire connection, signal lamp installing and dismounting is inconvenient;The ON signal lamp and disconnected on feed panel panel Often there is certain distance in road device display operation region, and such layout is not compact so that entire feeder cabinet volume is uneconomical greatly.
Invention content
Effectively to solve above-mentioned technological deficiency, the present invention proposes a kind of breaker that can indicate load electriferous state, Have the function of significantly to charge instruction, maintenance personal's electriferous state can be reminded to improve safety, while structure design is compact, space Occupy small, repair and replacement convenience, good economy performance.
The present invention provides a kind of breaker that can indicate load electriferous state, including breaker body and indicating unit, Indicating unit may be removably coupled to breaker body and is electrically connected with breaker body, and indicating unit includes photophore Part, luminescent device is by shining come the load electriferous state for indicating breaker body.
Preferably, indicating unit further includes insulation shell and at least one wire connection terminal, and wire connection terminal is fixed to insulation shell Body, wire connection terminal are electrically connected to luminescent device, and for electrically connecting to breaker body to obtain electric power from breaker body.
Preferably, indicating unit further includes transmission element, and luminescent device is arranged to face transmission element so that luminescent device is sent out The light gone out can externally be shown across transmission element.
Preferably, indicating unit further includes wiring board, and wiring board is fixed in housing, circuit board electrical connection to luminescent device And including the conductive region for being connected to wire connection terminal;Wire connection terminal includes being used for the first connecting portion fixed to housing, be used for It is electrically connected to the second connecting portion of conductive region and the third connecting portion for being connected to breaker body;Housing be equipped with slot and Positive stop lug boss, first connecting portion are bonded and are secured to positive stop lug boss, and second connecting portion is electrically connected to conductive region by welding, Third connecting portion is inserted through slot and extends to outside indicating unit.
Preferably, breaker body further includes elasticity and takes electric part, and electric part is taken to be electrically connected to the load end of the body of the circuit breaker, And take electric part that can contact and connect with wire connection terminal when the wire connection terminal of indicating unit is inserted into breaker body The pressure of line terminals and flexible deformation.
Preferably, wire connection terminal has the first clamping lock feature, has the second clamping lock feature on the pedestal of breaker body, the One clamping lock feature closes indicating unit being securely held to breaker body with the second clamping lock mate features.
Preferably, reinforcing rib is further included on the inner wall of transmission element, there is irregular plane on the surface of reinforcing rib will reduce The reflection of light.
Preferably, the outside of housing further includes anti-slip tank.
Preferably, housing further includes heat emission hole.
Preferably, indicating unit includes one or more luminescent devices, any one luminescent device for single color light emitting devices or Dual color light emitting device.
The breaker provided by the invention that can indicate load electriferous state so that breaker is provided with apparent electrification and refers to Show function, ensure that the detection of operating personnel and the safety of repair, meanwhile, the indicating unit of modularized design is compact-sized, more It changes and easy to maintenance, good economy performance.
Description of the drawings
Fig. 1 is the structure diagram of the breaker of one embodiment of the present of invention, and the lid of wherein breaker is removed.
Fig. 2 is the dimensional structure diagram of the indicating unit of one embodiment of the present of invention.
Fig. 3 is the dimensional structure diagram of the breaker body of one embodiment of the present of invention.
Fig. 4 is the front view of the indicating unit of one embodiment of the present of invention, and wherein transmission element is removed.
Fig. 5 is the partial cross stereogram of the indicating unit of one embodiment of the present of invention, and wherein transmission element is removed.
Fig. 6 is the sectional view of the indicating unit of one embodiment of the present of invention, and wherein transmission element is removed.
Fig. 7 is the structure diagram of the transmission element of one embodiment of the present of invention.
Fig. 8 is the side view of the indicating unit of one embodiment of the present of invention.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the object, technical solution and advantage for making this patent are more clearly understood This patent is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining this patent, and It is not used in restriction this patent.
On the contrary, this patent is covered any replacement done in the spirit and scope of this patent being defined by the claims, is repaiied Change, equivalent method and scheme.Further, in order to which the public is made to have a better understanding this patent, below to the thin of this patent It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art Description can also understand this patent completely.
As shown in figures 1-8, the present invention provides a kind of breaker that can indicate load electriferous state, including breaker sheet Body 300 and indicating unit 200.Indicating unit 200 can be removably inserted on breaker body 300.Indicating unit 200 is mould Block integrated unit is internally provided with being used to indicate the luminescent device 201 of load electriferous state.Indicating unit 200 and breaker sheet Body 300 is electrically connected.The invention enables breakers to be provided with apparent electrification instruction function, and the personnel of being conveniently operated judge breaker Electriferous state ensure that operating personnel are detecting and the safety in maintenance process.Meanwhile the indicating unit structure of modularized design It is compact, it replaces and easy to maintenance, good economy performance.
Specifically, indicating unit 200 includes housing 202 and two wire connection terminals 204.Housing 202 is made of insulating materials. 202 inner containment of housing has luminescent device 201.Luminescent device 201 is for example set in assist side 212.Limit is equipped in housing 202 Position slot 211, for fixing circuit board 212.Wiring board 212 is electrically connected to luminescent device 201 and two wire connection terminals 204.For example, Wiring board 212 includes conductive region 216, and wire connection terminal 204 can be electrically connected to by conductive region 216 positioned at wiring board 212 On luminescent device 201.Two wire connection terminals 204 are for electrically connecting to breaker body 300.Indicating unit 200 described herein Including two wire connection terminals 204, but the invention is not restricted to this.Skilled artisans appreciate that indicating unit 200 can be with Including more or fewer wire connection terminals 204.
Indicating unit 200 can also include transmission element 203.Transmission element 203 can together surround to accommodate with housing 202 The accommodation space of the internal components of indicating unit 200, to protect the internal components of indicating unit 200.Luminescent device 201 can be set It is set to face transmission element 203 so that the optics sent out from luminescent device 201 can inject to indicating unit 200 from transmission element 203 Outside, so as to be observed.
Indicating unit 200 is connect with breaker body 300 by two wire connection terminals 204 and takes electricity.For example, breaker body 300 can include taking electric part 301, and what the wire connection terminal 204 of indicating unit 200 may be coupled to breaker body 300 takes electric part 301.Wire connection terminal 204 can be electrically connected to luminescent device 201 by wiring board 212, so as to which luminescent device 201 be electrically connected to Breaker body 300.The structure and displaying principle of the present invention is simple, and function is realized convenient.
Transmission element 203 can be connected to housing 202 by the various modes known in the art such as being bonded or welded.According to one A embodiment, it is preferable that transmission element 203 is clamped with housing 202.Specifically, there are such as three card holes 208, thoroughly on housing 202 On light part 203 card base 209 is respectively equipped with 208 corresponding position of card hole.Card base 209 is respectively clamped into card hole 208, by light transmission Part 203 is connected to housing 202.This clamping structure is easy for installation and reliable.The preferably wedge structure of card base 209, wedge structure Initiating terminal of the small end as clamping, with the increase of clamping stroke, the big end of wedge structure squeezed and produces by card hole inner wall Raw flexible deformation, under the action of power is clamped, when card base 209 is caught in completely in card hole 208, the end face of wedge structure big end and shell The inner wall of body 202 against so that card base 209 is firm to be connected and fixed in the inner, and dismantle when need by tool, to reduce The risk that card base 209 is deviate from.
In addition, in order to increase the self-strength of transmission element 203, reinforcing rib 210 preferably is equipped in the inner wall of transmission element 203, Reinforcing rib 210 increases transmission element 203 and resists the ability destroyed.Simultaneously as there is irregular plane on the surface of reinforcing rib 210, It can reduce the reflex of the light emitted luminescent device, so as to reduce in housing due to concentrating hair caused by light reflection Heat, and reduce due to its reflection and caused by show light decrease influence.
In addition, in order to increase the firmness that two wire connection terminals 204 are connect respectively with housing 202, it is preferable that wire connection terminal 204 include being used for first connecting portion 217, the second connecting portion for electrically connecting to conductive region 216 fixed to housing 202 218 and the third connecting portion 221 for taking electric part 301 for being connected to breaker body 300.Preferably, first connecting portion and Two connecting portions are substantially at a right angle relative to third connecting portion, and first connecting portion and second connecting portion are substantially parallel.Housing 202 It is interior to be equipped with slot 213 and positive stop lug boss 214.First connecting portion 217 is bonded with positive stop lug boss 214, and will such as using bolt 207 The two tightens together.Third connecting portion 221 is inserted through slot 213, so as to extend to outside indicating unit.Second connecting portion 218 contact with conductive region 216, and the mode such as by welding is fixed, so that second connecting portion 218 and conduction region Domain 216 can realize firm electrical connection.This invention ensures that being reliably fixed for wire connection terminal 204 and housing 202, reduces wiring The shaking volume of terminal 204, and wire connection terminal 204 is which thereby enhanced with the reliable electric of electric part 301, conductive region 216 is taken to connect.
Preferably, positive stop lug boss 214 is equipped with vestibule 215, and first connecting portion 217 is equipped with connecting hole, and trip bolt 207 is worn It crosses connecting hole and vestibule 215 and wire connection terminal 204 is fastened to positive stop lug boss 214.This is simple in structure, and connection is reliable.
For example, wire connection terminal 204 can be the stamping parts of integral structure.First connecting portion 217 is by bending and molding, and Two connecting portions 218 are by opening up joint-cutting in first connecting portion 217 and being turned down from joint-cutting.This processing technology is simple, It is easily manufactured.
Electric part 301 is taken to be installed in the pedestal 307 of breaker body 300.Pedestal 307 offers mounting groove, takes electric part 301 It is plugged in mounting groove.In order to ensure to take the contact of electric part 301 and 300 load end of breaker body, virtual connection is avoided, takes electricity Part 301 is preferably elastic component.By the pressure that electric 301 natural resiliency deformation of part is taken to generate, guarantee takes electric part 301 and breaker sheet The load end of body 300 against.According to one embodiment, electric part 301 is taken to may be selected to be sheet like flexible metallic plate or torsional spring etc..This Outside, take electric part 301 that can keep Elastic Contact with wire connection terminal 204.When wire connection terminal 204 is inserted into breaker body 300, Wire connection terminal 204 starts the flexible deformation with taking electric part 301 that can make to take electric part 301 after contacting, so as to take electric part 301 to wiring Terminal 204 applies elastic force so that the two keeps being in close contact.
Preferably, take specific setting of the electric part 301 in breaker 300 as follows.As shown in Figure 1, electric part 301 is taken to be plugged on In the slot of 307 inner wall of pedestal, and the metal shaft 302 with being fixed on pedestal 307 is against fixation.It is closed when breaker 100 is in Lock state, moving contact 304 and static contact 305 contact, breaker electrifying, one end hooking of contact tension spring 303 in moving contact 304, Other end hooking is charged in the metal shaft 302 on pedestal 307, metal shaft 302.Electric part 301 and metal shaft 302 are taken against being taken Electricity.When load-side is charged, indicating unit 200 is shone by luminescent device 201, and is passed through transmission element 203 and externally shown, is given and is grasped Make the specific electriferous state indication signal of personnel.
In addition, in order to ensure being reliably fixed for indicating unit 200 and breaker 300, it is preferable that wire connection terminal 204 has First clamping lock feature, breaker body 300 is interior to have the second clamping lock feature.First clamping lock feature leans with the second clamping lock feature To limit indicating unit 200 along being pulled out moving for direction.On the one hand the clamping lock feature of two cooperations can ensure indicating unit 200 It is installed in place with breaker 300, on the other hand can ensure that the indicating unit 200 after installation will not come off easily with breaker 300.
According to one embodiment, the first clamping lock is characterized as the arc being arranged on the third connecting portion 221 of wire connection terminal 204 Boss 205, the second clamping lock are characterized as the snap-gauge being arranged on pedestal 307 306.The upper surface of snap-gauge 306 is equipped with guiding surface.Peace During dress, wire connection terminal 204 passes through the mating groove 308 on breaker body 300 to overcome with electric part 301 is taken to contact and take electric part 301 Elastic force so that arc boss 205 is contacted with snap-gauge 306.Arc boss 205 is slided first along the guiding surface of snap-gauge 306, And enter the downside of snap-gauge 306, that is, be installed in place, and due to 306 lower face of snap-gauge and arc boss 205 against and form card Junction causes withdrawal force to be more than insertion force, so as to ensure that indicating unit 200 is reliably fixed with breaker body 300, and two cards Lock feature is simple in structure, easy to process.
Certainly, the embodiment of the first clamping lock feature and the second clamping lock feature is not limited only to this, such as can also be by the first clamping lock Feature is set as claw, and the second clamping lock feature is set as card slot;For another example the first clamping lock feature and the second clamping lock feature are respectively provided with For hook etc..
The breaker 100 with instruction load electriferous state provided by the invention, preferably two wire connection terminals 204, which are located at, refers to Show that the position in unit 200 is also wrapped on insulating boot 206.This can increase the electrical of internal forceful electric power circuit and 202 outer surface of housing Gap and creepage distance ensure the safety of operating personnel.
Indicating unit 200 can include one or more luminescent devices 201, and each luminescent device 201 can be monochromatic hair Optical device or dual color light emitting device.It, can be negative by the bright of luminescent device, two kinds of dispaly state instructions of going out for single color light emitting devices Carry electricity condition.For dual color light emitting device, can according to the different colours of luminescent device come indicate load electrification whether state.
Other electronic devices on luminescent device 201 and wiring board 212 can generate heat, in order to avoid in indicating unit 200 Temperature is excessively high, and heat emission hole 219 is equipped with preferably on housing 202.Heat emission hole 219 can be equipped with a plurality of, such as spaced set, just In distributing for quickly realization heat.
Preferably, the anti-slip tank 220 of a plurality of spaced set is additionally provided on housing 202, anti-slip tank 220 is set as semicircle Structure when dismantling indicating unit 200, can increase finger and the frictional force on 202 surface of housing acts on, avoid slipping and cause to fall It falls.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to Citing and the purpose of explanation, and be not intended to limit the invention in the range of described embodiment.In addition people in the art It is understood that the invention is not limited in above-described embodiment, introduction according to the present invention can also be made more kinds of member Variants and modifications, these variants and modifications are all fallen within scope of the present invention.Protection scope of the present invention by The appended claims and its equivalent scope are defined.

Claims (9)

1. a kind of breaker (100) that can indicate load electriferous state, including:
Breaker body (300);With indicating unit (200), the indicating unit (200) may be removably coupled to described disconnected It road device ontology (300) and is electrically connected with the breaker body (300), the indicating unit (200) is including luminescent device (201), insulation shell (202), at least one wire connection terminal (204) and wiring board (212), the luminescent device (201) pass through It shines come the load electriferous state for indicating the breaker body (300);
The wire connection terminal (204) is electrically connected to the photophore fixed to the housing (202), the wire connection terminal (204) Part (201), and for electrically connecting to the breaker body (300) with from the breaker body (300) obtain electric power;
The wiring board (212) is fixed in the housing (202), and the wiring board (212) is electrically connected to the luminescent device (201) and the conductive region (216) including being connected to the wire connection terminal (204);
The wire connection terminal (204) including being used for the first connecting portion (217) fixed to the housing (202), for being electrically connected Second connecting portion (218) to the conductive region (216) is connected with for being connected to the third of the breaker body (300) Portion (221), the first connecting portion (217) and second connecting portion (218) are substantially at a right angle with respect to third connecting portion (221), institute It states first connecting portion (217) and the second connecting portion (218) is substantially parallel.
2. breaker (100) according to claim 1, wherein, the indicating unit (200) further includes transmission element (203), The luminescent device (201) is arranged to transmission element described in face (203) so that the light energy that the luminescent device (201) is sent out It is enough externally to be shown across the transmission element (203).
3. breaker (100) according to claim 1, wherein,
The housing (202) is equipped with slot (213) and positive stop lug boss (214), and the first connecting portion (217) is bonded and is fastened To the positive stop lug boss (214), the second connecting portion (218) is electrically connected to the conductive region (216) by welding, described Third connecting portion (221) is inserted through the slot (213) and extends to outside the indicating unit.
4. breaker (100) according to claim 1, wherein,
The breaker body (300) further includes elasticity and takes electric part (301), described that electric part (301) is taken to be electrically connected to the open circuit Load end in device ontology (300), and described take electric part (301) can be in the terminals of the indicating unit (200) When sub (204) are inserted into the breaker body (300), contacted with the wire connection terminal (204) and by the terminals The pressure of sub (204) and flexible deformation.
5. breaker (100) according to claim 4, wherein
The wire connection terminal (204) has the first clamping lock feature (205), has on the pedestal (307) of the breaker body (300) There is the second clamping lock feature (306), the first clamping lock feature and the second clamping lock mate features are closed with by the indicating unit (200) it is securely held to the breaker body (300).
6. breaker (100) according to claim 2, wherein, further include reinforcing rib on the inner wall of the transmission element (203) (210), there is irregular plane on the surface of the reinforcing rib (210) will reduce the reflection of light.
7. the breaker (100) according to any one of claim 2-5, wherein, the outside of the insulation shell (202) is also Including anti-slip tank (220).
8. the breaker (100) according to any one of claim 2-5, wherein, the insulation shell (202) further includes scattered Hot hole (219).
9. the breaker (100) according to any one of claim 2-5, wherein,
The indicating unit (200) includes one or more luminescent devices (201), any one luminescent device (201) is sent out to be monochromatic Optical device or dual color light emitting device.
CN201610012642.2A 2016-01-07 2016-01-07 It can indicate the breaker of load electriferous state Active CN105448606B (en)

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CN201610012642.2A CN105448606B (en) 2016-01-07 2016-01-07 It can indicate the breaker of load electriferous state

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CN201610012642.2A CN105448606B (en) 2016-01-07 2016-01-07 It can indicate the breaker of load electriferous state

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CN105448606B true CN105448606B (en) 2018-06-29

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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

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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
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