CN113205978A - Circuit breaker with built-in auxiliary function and alarm system thereof - Google Patents
Circuit breaker with built-in auxiliary function and alarm system thereof Download PDFInfo
- Publication number
- CN113205978A CN113205978A CN202110356960.1A CN202110356960A CN113205978A CN 113205978 A CN113205978 A CN 113205978A CN 202110356960 A CN202110356960 A CN 202110356960A CN 113205978 A CN113205978 A CN 113205978A
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- Prior art keywords
- circuit breaker
- contact
- built
- auxiliary function
- auxiliary
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- 230000003068 static effect Effects 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
- H01H71/10—Operating or release mechanisms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- 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
-
- 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
- H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Breakers (AREA)
Abstract
The invention provides a circuit breaker with a built-in auxiliary function and an alarm system thereof. The problem that one signal lamp is easy to be ignored visually and the tripping or fault of the circuit breaker is difficult to find is solved, so that the two signal lamps are arranged, when the circuit breaker trips, other normally working circuit breakers can be obviously distinguished, and the problem that the opening and closing state of the circuit breaker changes can be known in real time.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a circuit breaker with a built-in auxiliary function and an alarm system thereof.
Background
The breaker is a switching device capable of bearing and breaking current under abnormal loop condition in a specified time, and the breaker is internally provided with a movable contact and a fixed contact which can perform on-off operation.
The circuit breaker chooses for use one or more signal to realize the warning of circuit breaker tripping operation or closing state usually among the prior art, but its signal all is feedback circuit breaker closing state, when circuit breaker separating brake state, and feedback signal does not exist, however the circuit breaker is a plurality of arrangements setting in integrated circuit's the cabinet body, intensive circuit breaker this moment, if one of them circuit breaker tripping operation or then be difficult to discover when breaking down, which circuit breaker takes place to break off brake that maintainer can not be timely discovery, bring the difficulty for maintenance and repair work.
Disclosure of Invention
Therefore, the invention solves the technical problem that only the closing state is fed back, the opening state is not fed back and cannot be observed in time when the breaker is switched on or switched off in the prior art, thereby providing the breaker and the alarm system thereof with more intuition and diversified signals.
In order to solve the technical problem, the invention provides a circuit breaker with a built-in auxiliary function, which comprises a first electrifying loop formed by closing a moving contact and a fixed contact, wherein the circuit breaker is also provided with an auxiliary contact, the moving contact is contacted with the auxiliary contact in the opening process to form a second electrifying loop, and the first electrifying loop and the second electrifying loop are both connected with at least one signal end.
The invention is further configured such that the auxiliary contacts are configured as retractable dynamic contacts or non-retractable static contacts.
The invention is further arranged in that the auxiliary contact is arranged at the extreme position of the opening of the moving contact.
The invention is further provided that the dynamic contact point is any one of a conductive elastic sheet, a conductive spring or a conductive elastic piece.
The invention is further configured such that the static contact is a conductive plate or a one-piece conductive member.
The invention is further set that the second power circuit is formed by conducting a power supply end anode, a moving contact, an auxiliary contact, a signal end and a power supply end cathode, and the first power circuit is formed by conducting a power supply end anode, a moving contact, a static contact, a signal end and a power supply end cathode.
The invention is further configured such that the signal terminal is any one of a terminal grab, a terminal, a plug, an insert cylinder, a conductive plate, or a metal having conductivity.
In addition, the invention also provides a circuit breaker alarm system with an internal auxiliary function, which comprises a circuit breaker with an internal auxiliary function, wherein the signal end of the circuit breaker is electrically connected with at least one alarm element, and the signal end of the circuit breaker is connected with the alarm element which is externally arranged or internally arranged in the circuit breaker.
The invention is further provided that a plurality of alarm elements are arranged on the breaker cabinet body side by side or/and side by side, and each energizing loop of a single breaker is connected with the alarm element for displaying different signals.
The invention is further provided that the alarm element is any one or more of a signal light, a light emitting diode or a loudspeaker.
The invention has the beneficial effects that:
the invention adopts the arrangement of two alarm current-conducting circuits by arranging an auxiliary circuit in the built-in mode, namely, arranging a signal end in a current-conducting circuit formed when the moving contact is switched on and off, so that when the circuit breaker is positioned in a cabinet body with dense circuit breakers, one signal lamp is easy to be ignored visually and the circuit breaker with tripping or fault difficult to find, and the invention can obviously distinguish other normally working circuit breakers by arranging two signal lamps when the circuit breaker trips, thereby solving the problem that the switching-on and switching-off states of the circuit breaker are changed and knowing in real time.
The invention is additionally provided with an auxiliary contact which can be selectively set into a dynamic contact or a static contact and is set according to different requirements on the alarm sensitivity of the circuit breaker.
The invention also provides an alarm system of the circuit breaker with the built-in auxiliary function, wherein the alarm element is arranged outside the circuit breaker, and the alarm elements with different types or different signals are used for realizing that the circuit breakers are easy to distinguish when in an alarm state.
Drawings
Fig. 1 shows reference numbers of the internal part circuit connection schematic diagram of the shell of the invention from a cross-sectional view: 1-moving contact; 2, static contact; 3-a signal terminal; 4-an alarm element; 5-auxiliary contacts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
1. According to the embodiment of the invention, the circuit breaker with the built-in auxiliary function comprises a first power-on loop formed by closing a moving contact 1 and a static contact 2, the circuit breaker is further provided with an auxiliary contact 5, the moving contact 1 is contacted with the auxiliary contact 5 in the opening process to form a second power-on loop, and the first power-on loop and the second power-on loop are both connected with at least one signal end 3.
Through the technical scheme, the first power-on loop is provided with the signal end, the signal end is connected with the alarm element, and the alarm can be realized when the moving contact is switched on; the signal end is arranged in the second electrifying loop and connected with the alarm element, when the moving contact is opened, an auxiliary contact is additionally arranged to be in contact with the moving contact to form the second electrifying loop, and when the second electrifying loop is electrified, the alarm signal is provided for the opening of the moving contact.
As a modified embodiment, the auxiliary contact 5 is provided as a retractable dynamic contact or a non-retractable static contact.
Through the technical scheme, the auxiliary contact can be set to be dynamic or static selectively, for example, the auxiliary contact is set to be an elastic metal sheet, so that the moving contact can alarm when contacting with the elastic metal sheet in the brake separating process; if the auxiliary contact is set as a fixed metal connecting sheet, the moving contact can form a power-on loop to realize an alarm function when the brake is switched off to the limit position.
As a modified embodiment, the auxiliary contact 5 is arranged at the extreme position of the opening of the movable contact 1.
As a modified embodiment, the dynamic contact is any one of a conductive elastic piece, a conductive spring or an elastic member having conductivity. The static contact is a conductive plate or a one-piece conductive member. As shown in fig. 1, the dynamic contact and the static contact are both disposed in the middle of the housing and located on the left side of the arc extinguish chamber and the electromagnetic coil, the position when the dynamic contact is compressed to the limit is the limit position of the moving contact when the moving contact is opened, and the static contact is directly disposed at the position when the moving contact is opened to the limit. The dynamic contact is a compressible elastic metal sheet, and the static contact is an immovable elastic metal sheet.
As an improved specific implementation manner, the second conduction loop is formed by conducting a power supply terminal anode, a moving contact 1, an auxiliary contact 5, a signal terminal and a power supply terminal cathode, and the first conduction loop is formed by conducting a power supply terminal anode, a moving contact 1, a static contact 2, a signal terminal 3 and a power supply terminal cathode.
As a modified embodiment, the terminal of the signal terminal 3 is disposed on the outer surface of the housing, preferably in a gap formed on the rear end surface of the circuit breaker housing, and the signal terminal may be any one of a terminal claw, a terminal, a plug, an insert cylinder, a conductive plate or a metal with conductivity.
According to the embodiment of the invention, the circuit breaker alarm system with the built-in auxiliary function also comprises the circuit breaker with the built-in auxiliary function, the signal end 3 is electrically connected with at least one alarm element 4, and the signal end 3 of the circuit breaker is connected with the alarm element which is externally arranged or internally arranged in the circuit breaker.
As an improved specific implementation mode, a plurality of alarm elements are arranged on the cabinet body of the circuit breaker side by side or/and side by side, and each energizing loop of a single circuit breaker is connected with the alarm element displaying different signals.
According to the technical scheme, when the plurality of circuit breakers are installed on the cabinet body and are in an alarm state, alarm elements of different display signals are arranged, for example, the alarm element connected with the first power-on loop is arranged to be a light-emitting diode displaying green, and represents that the circuit breakers are in a closing state; the alarm element connected with the second electrifying loop is set to display red light-emitting diodes, the circuit breaker is represented to be in the brake separating device, and the alarm elements with different display signals are arranged, so that the circuit breaker cabinet is not easy to be confused and can be known in time when a plurality of circuit breakers are arranged in the circuit breaker cabinet body.
As a modified embodiment, the alarm element 4 is any one or more of a signal lamp, a light emitting diode or a loudspeaker.
Through above-mentioned technical scheme, set up alarm element for example the speaker inside the circuit breaker casing, realize circuit breaker separating brake or combined floodgate warning through setting up different voice signal, perhaps can select to set up alarm element for example visual alarm element such as signal lamp in the circuit breaker outside, realize the warning through the signal that the signal lamp shows.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a built-in auxiliary function's circuit breaker which characterized in that: the circuit breaker is characterized by comprising a first electrifying loop formed by closing a moving contact (1) and a static contact (2), wherein the circuit breaker is also provided with an auxiliary contact (5), the moving contact (1) is contacted with the auxiliary contact (5) in the opening process to form a second electrifying loop, and the first electrifying loop and the second electrifying loop are both at least connected with one signal end (3).
2. The circuit breaker with built-in auxiliary function according to claim 1, wherein: the auxiliary contact (5) is set to be a retractable dynamic contact or a non-retractable static contact.
3. The circuit breaker with built-in auxiliary function according to claim 2, wherein: the auxiliary contact (5) is arranged at the limit position of the opening of the moving contact (1).
4. A built-in auxiliary function circuit breaker according to claim 2 or 3, wherein: the dynamic contact is any one of a conductive elastic sheet, a conductive spring or a conductive elastic piece.
5. The circuit breaker with built-in auxiliary function according to claim 2, wherein: the static contact is a conductive plate or an integral conductive piece.
6. The circuit breaker with built-in auxiliary function according to claim 1, wherein: the second power-on loop is formed by conducting a power supply end anode, a moving contact (1), an auxiliary contact (5), a signal end and a power supply end cathode, and the first power-on loop is formed by conducting a power supply end anode, a moving contact (1), a static contact (2), a signal end (3) and a power supply end cathode.
7. A built-in auxiliary function circuit breaker according to any one of claims 1 to 6, wherein: the signal terminal (3) is any one of a wiring claw, a wiring terminal, a plug, an insertion cylinder, a conductive plate or a metal with conductivity.
8. A circuit breaker alarm system with built-in auxiliary function, characterized in that, comprising the circuit breaker with built-in auxiliary function of any claim 1-7, the signal terminal (3) is electrically connected with at least one alarm element (4), and the signal terminal (3) of the circuit breaker is connected with the alarm element which is externally or internally arranged on the circuit breaker.
9. The circuit breaker alarm system with built-in auxiliary function as claimed in claim 8, wherein: and a plurality of alarm elements are arranged on the cabinet body of the circuit breaker side by side or/and in parallel, and each energizing loop of the circuit breaker is connected with the alarm elements for displaying different signals.
10. The circuit breaker alarm system with built-in auxiliary function as claimed in claim 9, wherein: the alarm element (4) is any one or more of a signal lamp, a light-emitting diode or a loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110356960.1A CN113205978A (en) | 2021-04-01 | 2021-04-01 | Circuit breaker with built-in auxiliary function and alarm system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110356960.1A CN113205978A (en) | 2021-04-01 | 2021-04-01 | Circuit breaker with built-in auxiliary function and alarm system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113205978A true CN113205978A (en) | 2021-08-03 |
Family
ID=77026150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110356960.1A Pending CN113205978A (en) | 2021-04-01 | 2021-04-01 | Circuit breaker with built-in auxiliary function and alarm system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113205978A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652867A (en) * | 1984-09-25 | 1987-03-24 | Masot Oscar V | Circuit breaker indicator |
| CN2054935U (en) * | 1989-05-16 | 1990-03-21 | 王晓良 | Magnetic double-control seesaw switch with indicator lamp |
| JPH06187890A (en) * | 1992-12-17 | 1994-07-08 | Matsushita Electric Works Ltd | Circuit breaker |
| US5353014A (en) * | 1992-04-27 | 1994-10-04 | Carroll John T | Circuit breaker with indicator lights |
| CN1354489A (en) * | 2000-11-21 | 2002-06-19 | Abb研究有限公司 | Auxiliary device |
| CN1591725A (en) * | 2003-08-28 | 2005-03-09 | 伊顿公司 | Circuit breaker employing illuminating indicators for open and closed positions |
| CN105931924A (en) * | 2016-06-28 | 2016-09-07 | 北京人民电器厂有限公司 | Small-size direct current breaker |
| WO2017196292A1 (en) * | 2016-05-09 | 2017-11-16 | O'connor John J | Trip light circuit breaker |
| CN212517078U (en) * | 2020-08-25 | 2021-02-09 | 浙江宝丰机电有限公司 | Plastic case circuit breaker conductive system with alarm function |
-
2021
- 2021-04-01 CN CN202110356960.1A patent/CN113205978A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652867A (en) * | 1984-09-25 | 1987-03-24 | Masot Oscar V | Circuit breaker indicator |
| CN2054935U (en) * | 1989-05-16 | 1990-03-21 | 王晓良 | Magnetic double-control seesaw switch with indicator lamp |
| US5353014A (en) * | 1992-04-27 | 1994-10-04 | Carroll John T | Circuit breaker with indicator lights |
| JPH06187890A (en) * | 1992-12-17 | 1994-07-08 | Matsushita Electric Works Ltd | Circuit breaker |
| CN1354489A (en) * | 2000-11-21 | 2002-06-19 | Abb研究有限公司 | Auxiliary device |
| CN1591725A (en) * | 2003-08-28 | 2005-03-09 | 伊顿公司 | Circuit breaker employing illuminating indicators for open and closed positions |
| WO2017196292A1 (en) * | 2016-05-09 | 2017-11-16 | O'connor John J | Trip light circuit breaker |
| CN105931924A (en) * | 2016-06-28 | 2016-09-07 | 北京人民电器厂有限公司 | Small-size direct current breaker |
| CN212517078U (en) * | 2020-08-25 | 2021-02-09 | 浙江宝丰机电有限公司 | Plastic case circuit breaker conductive system with alarm function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210803 |