CN101441958B - Minitype breaker capable of indicating operating status employing lamplight - Google Patents
Minitype breaker capable of indicating operating status employing lamplight Download PDFInfo
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- CN101441958B CN101441958B CN2008102037876A CN200810203787A CN101441958B CN 101441958 B CN101441958 B CN 101441958B CN 2008102037876 A CN2008102037876 A CN 2008102037876A CN 200810203787 A CN200810203787 A CN 200810203787A CN 101441958 B CN101441958 B CN 101441958B
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- circuit breaker
- lead
- control device
- arc control
- conducting strip
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Abstract
The invention relates to a miniature circuit breaker adopting light to indicate working status, which consists of a circuit breaker body and a working status indicator, wherein the circuit breaker body consists of an inner working cavity and a shell; the working status indicator is positioned in a cavity of the circuit breaker body and is an electrical display circuit consisting of electrical luminous indicators connected in series, a current-limiting resistor and lead wires led out at two ends; the lead wires led out at two ends are in bridge connection with outlet terminals of the circuit breaker or any two conducting strips of an arc extinguish chamber between the terminals; the shell is a transparent structural member or an opaque structural member which is arranged above or below an operating handle and provided with transmittance holes on a main working surface; the electrical luminous indicators can be energy-saving neon lights or LED light emitting diodes; despite ambient light, the on/off of the indicators can be observed through the transmittance holes on the working panel or the transparent shell, so that the definite working status of the circuit breaker can be quickly, accurately and reliably, the remote management, monitoring and safety maintenance are convenient, and the miniature circuit breaker has strong practicability.
Description
Technical field
The present invention relates to technical field of relay protection, particularly a kind of miniature circuit breaker that adopts the light indicating operating status.
Background technology
Protective relaying device is a kind of important protection equipment that develops for the requirement of satisfying safe operation of power system, and it and electric power system are closely related to improving constantly of requiring of operational reliability.Wherein fuse is a kind of simple overcurrent protective device that early occurs, because it is simple in structure and practical, still is widely used in so far the restore electricity protection aspect of less demanding low-voltage circuit and power consumption equipment of rapidity.Because fuse is to cut off working power in the mode of fusing fuse, thus need manually to change fuse after carrying out the overcurrent protection task at every turn, more time-consuming, therefore can not satisfy the rapidity of some electricity consumption industry and recover requirement.Low-voltage circuit breaker is with the low-voltage electrical protective device of special-purpose overcurrent release in occur after fuse a kind of; because it utilizes the overcurrent that moment occurs in the circuit to drive the overcurrent work of electromagnet; overcurrent solenoid actuated tripping mechanism is cut off the electricity supply; as long as push to operating grip, energized after fault eliminating or overcurrent disappear in circuit; can resume work; break away from the trouble of changing fuse, had very strong practicality.At present popular miniature circuit breaker is again the micro terminal protective device of a kind of direct terminaloriented power consumption equipment that came out in recent years, has the minimum characteristics of compact conformation and volume, is particularly suitable for using at home, and it is very not obvious that its shortcoming is that operating state shows.The method that indicator light is set on housing cover that on common low-voltage circuit breaker, adopts at present, owing between indicator light and the internal switch conducting strip wire interconnects must be arranged, but the miniature circuit breaker inner space is the finite sum compactness extremely, and the internal switch structural relation is special, being difficult to bear the lead with uncertain displacement characteristics is doped in wherein, otherwise will cause influencing functional reliability, so this method can't be implemented on miniature circuit breaker, so aspect the operating state demonstration of miniature circuit breaker, also do not occur adopting the precedent of indicator light so far.At present, generally adopt and red, a green color that is driven by operating grip is set above or below operating grip indicates the observation wicket that closes, divides state that shows circuit breaker, this has solved the decision problem to working state of circuit breaker to a certain extent, but because window is very little, sign is not eye-catching, especially in the relatively poor or dark operational environment of light, be difficult to judge exactly the definite position at residing operating state of circuit breaker and handle place, thereby as easy as rolling off a log generation erroneous judgement is disconnected and the situation of misoperation, causes the security incident and the economic loss that are difficult to imagine.So; it is desirable that the operating state show label of existing structure form miniature circuit breaker is owed; can not fast and accurately judge circuit breaker really cut make the charged state of state and power consumption equipment; thereby can not satisfy power industry to quicklook and reliability requirement in quicklook, sensitivity, selectivity and four basic demands of reliability of relaying protection aspect regulation; necessaryly from 26S Proteasome Structure and Function, improved, to guarantee Electrical Safety and handling safety.
Summary of the invention
The objective of the invention is to overcome the existing operating state judgement rapidity of miniature circuit breaker of existing structure form and the unsafe factor of poor reliability, a kind of miniature circuit breaker that adopts the light indicating operating status is provided.
The miniature circuit breaker main body of employing light indicating operating status of the present invention is made of breaker body and mode indicator, breaker body is made up of internal work chamber and housing, comprise in the internal work chamber and be provided with solenoid, arc control device conducting strip and fairlead and operating grip seat, stretch on the housing to install and be equipped with overhanging shape operating grip, be characterised in that: also increase the electroluminescence indicator light that is provided with by mutual series connection in the internal work chamber of described breaker body, the mode indicator that electric display circuit that lead constitutes is filled the post of is drawn at current-limiting resistance and two ends, described electroluminescence indicator light is filled the post of by electricity-saving lamp, with neon lamp or LED LED light lamp serves as preferential, described two ends draw the lead cross-over connection be arranged on joining any two the arc control device conducting strips in moving contact of breaker side lower end on; Described housing is the good transparent configuration spare of light transmission or for being positioned at the nontransparent structural member that work interarea above or below the operating grip is provided with loophole.
In addition, lead is drawn at two ends for described electric display circuit, in 2P～4P type miniature circuit breaker, an end wherein can be drawn lead and be connected on the arc control device conducting strip of N line circuit breaker, the other end is drawn lead and is connected on the arc control device conducting strip of any phase line circuit breaker among phase line A, B, the C; In the 1P+N compact miniature circuit breaker of N+P unification formula, the two ends of described electric display circuit are drawn a end in the lead and are drawn lead and be connected on the arc control device conducting strip of L live wire circuit breaker, and the other end is drawn lead and is connected on the arc control device conducting strip of N line circuit breaker.
During work, when having electric current to pass through on the electric display circuit, the electroluminescence indicator light is bright, and the expression miniature circuit breaker is in the combined floodgate operating state, and when no current on the electric display circuit passed through, the electroluminescence indicator light went out, and the expression low-voltage circuit breaker is in the separating brake operating state.
Adopt the miniature circuit breaker of light indicating operating status based on the present invention of above-mentioned design, owing in body cavity, be provided with the electric display circuit that constitutes by indicator light, current-limiting resistance and two ends guiding outlet, and be connected across between the leading-out terminal of circuit breaker or be connected across between the alternate or line of leading-out terminal, when circuit breaker during at gate-dividing state its phase voltage or line voltage be 0V, indicator light extinguishes, and the indication circuit breaker is in the separating brake operating state; When circuit breaker during in "on" position, circuit breaker and external circuit are connected, and indicator light gets electroluminescence, and the indication circuit breaker is in the combined floodgate operating state; Because housing is made by transparent material or the work interarea of opaque housing is provided with loophole, no matter circuit breaker is in is closed a floodgate or the separating brake operating state, the user can both observe the bright of interior lamp or goes out by transparent or opaque housing, thereby it is quick and accurate, judge the residing definite operating state of circuit breaker reliably, can clearly not judge closing of circuit breaker even have under the situation of light at night yet, gate-dividing state, not only help guaranteeing the safe operation of electrical system, also help intuitively and exactly whether charged situation in the judgment task circuit of operating personnel, be convenient under safe condition, carry out maintaining and increase work efficiency; And owing to, also be convenient to telemanagement and monitoring with light form indicating operating status.Therefore, the miniature circuit breaker of employing light indicating operating status of the present invention is compared with the miniature circuit breaker of any kind of the prior art, though in the housing chamber, increase the operating circuit that is provided with the band working station indicator, but structure is still simpler, cost increases few, draw being electrically connected between lead and low-voltage circuit breaker related work point though in circuit, increased two ends, but owing to all be in fixing static the connection, so can not influence the bimetal leaf on the tripping mechanism at all, the normal performance of functions such as solenoid and the action message of tripping mechanism, thereby has indicating operating status obviously and directly perceived, the judgment task state is quicker and more reliable, can guarantee electric and safe and stable operation work system, thereby have extremely strong practicality and valuable market application foreground.
Description of drawings
Fig. 1 is the basic structure schematic diagram of electric display circuit in the embodiment of the invention;
Fig. 2 is an embodiment of the invention 1P+N compact miniature circuit breaker basic structure schematic diagram;
Fig. 3 is an embodiment of the invention 1P+N compact miniature circuit breaker electrical wiring schematic diagram;
Fig. 4 is the embodiment of the invention 2～4P type miniature circuit breaker electrical wiring schematic diagram;
Fig. 5 is the working surface structural representation that 1P+N compact miniature circuit breaker is provided with loophole.
Among the figure:
1. breaker body 2. mode indicators 3. internal work chambeies 4. housings
5. solenoid 6. arc control device conducting strip 6-1. conducting strip A 6-2. conducting strip B
7. arc control device fairlead 8. operating grip seats 9. operating grips 10. electroluminescence indicator lights
11. current-limiting resistance 12-1. draws lead A 12-2. and draws lead B 13. electric display circuits
14. phase line circuit breaker 15.N line circuit breaker 16. live wire circuit breakers 17. loopholes
Embodiment
The invention will be further described below in conjunction with accompanying drawing and exemplary embodiments.
In Fig. 1～Fig. 5, the miniature circuit breaker main body of employing light indicating operating status of the present invention is made of breaker body 1 and mode indicator 2, breaker body 1 is made up of internal work chamber 3 and housing 4, comprise in the internal work chamber 3 and be provided with solenoid 5, arc control device conducting strip 6 and arc control device fairlead 7 and operating grip seat 8, stretch on the housing 4 to install and be equipped with overhanging shape operating grip 9, be characterised in that: also increase the electroluminescence indicator light 10 that is provided with by mutual series connection in the internal work chamber 3 of described breaker body 1, current-limiting resistance 11 and two ends are drawn lead A12-1 and are drawn the mode indicator 2 that electric display circuit 13 that lead B12-2 constitutes is filled the post of, described electroluminescence indicator light 10 is filled the post of by electricity-saving lamp, with neon lamp or LED LED light lamp serves as preferential, described two ends draw lead A12-1 and draw lead B12-2 cross-over connection be arranged on joining any two arc control device conducting strip A6-1 in moving contact of breaker side lower end and arc control device conducting strip B6-2 on; Described housing 4 is for the good transparent configuration spare of light transmission or for being positioned at the nontransparent structural member that work interarea above or below the operating grip 8 is provided with loophole 17.
In addition, in 2P～4P type miniature circuit breaker, the two ends of described electric display circuit 13 are drawn lead A 12-1 and are connect on the arc control device conducting strip A 6-1 that is located at any phase line circuit breaker 14 among phase line A, B, the C with the lead A 12-1 that draws that draws among the lead B 12-2, draw lead B 12-2 and connect on the arc control device conducting strip B 6-2 that is located at N line circuit breaker 15; In the 1P+N compact miniature circuit breaker of N+P unification formula, the lead A 12-1 that draws that draws lead A 12-1 and draw among the lead B 12-2 connects on the arc control device conducting strip A 6-1 that is located at L live wire circuit breaker 16, draws lead B 12-2 and connects on the arc control device conducting strip B 6-2 that is located at N line circuit breaker 15.
During work, when having electric current to pass through on the electric display circuit 13, electroluminescence indicator light 10 is bright, the expression miniature circuit breaker is in the combined floodgate operating state, when no current on the electric display circuit 13 passed through, electroluminescence indicator light 10 went out, and the expression low-voltage circuit breaker is in the separating brake operating state.
Claims (4)
1. miniature circuit breaker that adopts the light indicating operating status, constitute by breaker body (1) and mode indicator (2), breaker body (1) is made up of internal work chamber (3) and housing (4), comprise in the internal work chamber (3) and be provided with solenoid (5), arc control device conducting strip (6) and arc control device fairlead (7) and operating grip seat (8), housing (4) is provided with operating grip (9), it is characterized in that:
Also increase the electroluminescence indicator light (10) that is provided with by mutual series connection in the internal work chamber (3) of a. described breaker body (1), current-limiting resistance (11) and two ends are drawn lead A (12-1) and are drawn the described mode indicator (2) that electric display circuit (13) that lead B (12-2) constitutes is filled the post of, described electroluminescence indicator light (10) is filled the post of by electricity-saving lamp, described arc control device conducting strip (6) comprises arc control device conducting strip A (6-1) and arc control device conducting strip B (6-2), described two ends are drawn lead A (12-1) and are drawn lead B (12-2), be connected across respectively with moving contact of breaker side lower end joining one a described arc control device conducting strip A (6-1) and a described arc control device conducting strip B (6-2) on;
B. described housing (4) for transparent configuration spare or for be positioned at operating grip (8) above or below the interarea of working be provided with the nontransparent structural member of loophole (17).
2. the miniature circuit breaker of employing light indicating operating status according to claim 1, it is characterized in that described miniature circuit breaker is 2P～4P type miniature circuit breaker, lead A (12-1) is drawn at the two ends of described electric display circuit (13) and the lead A (12-1) that draws that draws among the lead B (12-2) connects and is located at phase line A in 2P～4P type miniature circuit breaker, B, on the arc control device conducting strip A (6-1) of any phase line circuit breaker (14), draw lead B (12-2) and connect on the arc control device conducting strip B (6-2) that is located at N line circuit breaker (15) in 2P～4P type miniature circuit breaker among the C.
3. the miniature circuit breaker of employing light indicating operating status according to claim 1, it is characterized in that described miniature circuit breaker is the 1P+N compact miniature circuit breaker of N+P unification formula, the two ends of described electric display circuit (13) are drawn lead A (12-1) and are drawn drawing on the arc control device conducting strip A (6-1) that lead A (12-1) connects L live wire circuit breaker (16) in the 1P+N compact miniature circuit breaker that is located at N+P unification formula among the lead B (12-2), draw on the arc control device conducting strip B (6-2) that lead B (12-2) connects N line circuit breaker (15) in the 1P+N compact miniature circuit breaker that is located at N+P unification formula.
4. the miniature circuit breaker of employing light indicating operating status according to claim 1 is characterized in that the electroluminescence indicator light (10) in the described electric display circuit (13) is filled the post of by neon lamp or LED LED light lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102037876A CN101441958B (en) | 2008-12-01 | 2008-12-01 | Minitype breaker capable of indicating operating status employing lamplight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102037876A CN101441958B (en) | 2008-12-01 | 2008-12-01 | Minitype breaker capable of indicating operating status employing lamplight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101441958A CN101441958A (en) | 2009-05-27 |
| CN101441958B true CN101441958B (en) | 2011-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102037876A Expired - Fee Related CN101441958B (en) | 2008-12-01 | 2008-12-01 | Minitype breaker capable of indicating operating status employing lamplight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101441958B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795259A (en) * | 2015-04-09 | 2015-07-22 | 侯如升 | High voltage transmission line safety switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3313048C1 (en) * | 1983-04-12 | 1984-09-20 | Lindner Gmbh, Fabrik Elektrischer Lampen Und Apparate, 8600 Bamberg | Line protection circuit breaker of narrow construction, with a short-circuit indicator |
| CN2371665Y (en) * | 1999-04-09 | 2000-03-29 | 常熟开关厂 | Circuit breaker |
| CN2484643Y (en) * | 2001-04-06 | 2002-04-03 | 超众科技股份有限公司 | Forming structure of radiating fins |
| CN200990350Y (en) * | 2006-12-29 | 2007-12-12 | 郑建强 | Small size breaker |
| CN201392792Y (en) * | 2008-12-01 | 2010-01-27 | 何成祥 | Miniature circuit breaker with working status indicating lamp therein |
-
2008
- 2008-12-01 CN CN2008102037876A patent/CN101441958B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3313048C1 (en) * | 1983-04-12 | 1984-09-20 | Lindner Gmbh, Fabrik Elektrischer Lampen Und Apparate, 8600 Bamberg | Line protection circuit breaker of narrow construction, with a short-circuit indicator |
| CN2371665Y (en) * | 1999-04-09 | 2000-03-29 | 常熟开关厂 | Circuit breaker |
| CN2484643Y (en) * | 2001-04-06 | 2002-04-03 | 超众科技股份有限公司 | Forming structure of radiating fins |
| CN200990350Y (en) * | 2006-12-29 | 2007-12-12 | 郑建强 | Small size breaker |
| CN201392792Y (en) * | 2008-12-01 | 2010-01-27 | 何成祥 | Miniature circuit breaker with working status indicating lamp therein |
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| Publication number | Publication date |
|---|---|
| CN101441958A (en) | 2009-05-27 |
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Granted publication date: 20110302 Termination date: 20131201 |