CN105304417A - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN105304417A CN105304417A CN201510737923.XA CN201510737923A CN105304417A CN 105304417 A CN105304417 A CN 105304417A CN 201510737923 A CN201510737923 A CN 201510737923A CN 105304417 A CN105304417 A CN 105304417A
- Authority
- CN
- China
- Prior art keywords
- conducting rod
- circuit breaker
- conductive clip
- insulated
- operating mechanism
- 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.)
- Pending
Links
Classifications
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0235—Contacts and the arc extinguishing space inside individual separate cases, which are positioned inside the housing of the circuit breaker
-
- 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
- H01H71/08—Terminals; Connections
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a circuit breaker, which comprises a housing, a conducting rod, a line outlet sleeve and an operating mechanism, wherein the conducting rod is arranged on the housing; the line outlet sleeve and the operating mechanism are respectively arranged at two sides of the housing; an insulated sleeve is arranged at the outer side of the conducting rod; the insulated sleeve is glued to the conducting rod; an insulated shielding can and a vacuum arc-extinguishing chamber are arranged at the bottom of the conducting rod; a conducting clamp is arranged at one side of the line outlet sleeve, is electrically connected with the line outlet sleeve and is movably connected with the conducting rod; a soft coupling and an insulated pull rod are sequentially arranged at the bottom of the conducting clamp; the insulated pull rod is connected with the conducting clamp through the soft coupling; a rotating shaft is arranged at one side of the insulated pull rod; and the insulated pull rod is in transmission connection with the operating mechanism through the rotating shaft. The circuit breaker is good in insulating effect, safe and reliable to use, convenient to operate, compact in structure and small in size.
Description
Technical field
The present invention relates to a kind of controller switching equipment technical field, particularly relate to a kind of circuit breaker.
Background technology
Circuit breaker refer to the electric current that can close, carry and cut-off under normal loop condition and can close, the switching device of carrying and the electric current under cut-offfing abnormal loop condition in official hour; circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application; high-low pressure identification of boundaries is fuzzyyer, is called High-Voltage Electrical Appliances generally by more than 3kV.
Circuit breaker can be used to distribute electric energy, infrequently start asynchronous motor, protection is carried out to power circuit and motor etc., can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they, its function is equivalent to Fuse switch and the combination of crossing underheat relay etc., and generally do not need to change parts after disjunction fault current, at present, obtain a wide range of applications, the generation of electricity, conveying, in using, distribution is an extremely important link, distribution system comprises transformer and various high and low voltage electrical equipment equipment, low-voltage circuit breaker is then the electrical equipment that a kind of use has a large capacity and a wide range, the main contacts of low-voltage circuit breaker is by manual operation or electric switch-on, after main contacts is closed, main contacts is locked on closing position by free tripping mechanism, the coil of overcurrent trip and the thermal element of thermal overload release are connected with main circuit, the coil of under-voltage release and power sources in parallel, when circuit be short-circuited or heavy overload time, the armature adhesive of overcurrent trip, make free tripping mechanism action, main contacts disconnects main circuit, when circuit overloads, the thermal element heating of thermal overload release makes on bimetal leaf bending, promote free tripping mechanism action, when circuit under voltage, the armature release of under-voltage release, also free tripping mechanism action is made, shunt release is then used as far distance controlled, when normally working, its coil is power-off, when needs distance controlling, press starting button, make coil electricity.
Current existing breaker structure is complicated, and insulation effect is general, and inconvenient operation, handling safety performance is lower.
Summary of the invention
It is good that the technical problem to be solved in the present invention is to provide a kind of insulation effect, safe and reliable, easy to operate, compact conformation, the circuit breaker that volume is little.
For solving the problem, the present invention adopts following technical scheme: a kind of circuit breaker, comprise shell, conducting rod, outlet casing tube and operating mechanism, described conducting rod is located on shell, described outlet casing tube and operating mechanism are located at shell both sides respectively, described conducting rod arranged outside has insulating sleeve, described insulating sleeve glues together with conducting rod and is connected, insulated isolation cover and vacuum interrupter is provided with bottom described conducting rod, the shell holding structure arranged is compact, volume is little, it is smooth and easy that conducting rod can keep electric current to access, insulating sleeve and insulated isolation cover can keep good insulation effect, vacuum interrupter can eliminate electric arc, keep safe and reliable, conductive clip can facilitate the disconnection of control circuit and close, operating mechanism can control the movement of insulated tension pole by rotating shaft, described outlet casing tube side is provided with conductive clip, described conductive clip and outlet casing tube are electrically connected, described conductive clip is flexibly connected with conducting rod, be disposed with bottom described conductive clip and be flexible coupling and insulated tension pole, described insulated tension pole to be connected with conductive clip by being flexible coupling, described insulated tension pole side is provided with rotating shaft, described insulated tension pole is in transmission connection by rotating shaft and operating mechanism.
As preferably, described insulated tension pole side is also provided with tripping spring, and tripping spring can make conductive clip be in gate-dividing state.
As preferably, described tripping spring side is fixedly connected with shell, keeps tripping spring structure to stablize.
As preferably, described outer casing bottom is provided with leg, keeps installing reliable and stable.
As preferably, described outlet casing tube arranged outside has current transformer, keeps safe and reliable to operation.
The invention has the beneficial effects as follows: the shell holding structure of setting is compact, volume is little, it is smooth and easy that conducting rod can keep electric current to access, insulating sleeve and insulated isolation cover can keep good insulation effect, vacuum interrupter can eliminate electric arc, keep safe and reliable, conductive clip can facilitate the disconnection of control circuit and close, and operating mechanism can control the movement of insulated tension pole by rotating shaft.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of circuit breaker of the present invention.
Embodiment
Consult shown in Fig. 1, a kind of circuit breaker, comprise shell 1, conducting rod 2, outlet casing tube 3 and operating mechanism 4, described conducting rod 2 is located on shell 1, described outlet casing tube 3 and operating mechanism 4 are located at shell 1 both sides respectively, described conducting rod 2 arranged outside has insulating sleeve 5, described insulating sleeve 5 glues together with conducting rod 2 and is connected, insulated isolation cover 6 and vacuum interrupter 7 is provided with bottom described conducting rod 2, described outlet casing tube 3 side is provided with conductive clip 8, in use, conducting rod 2 and outlet casing tube 3 are linked in circuit respectively, tripping spring 12 makes conductive clip 8 be separated with conducting rod 2, circuit disconnects, rotating shaft 11 is made to drive insulated tension pole 10 to move by operating mechanism 4, conductive clip 8 is contacted with conducting rod 2, circuit can be communicated with, described conductive clip 8 is electrically connected with outlet casing tube 3, described conductive clip 8 is flexibly connected with conducting rod 2, be flexible coupling 9 and insulated tension pole 10 is disposed with bottom described conductive clip 8, described insulated tension pole 10 9 to be connected with conductive clip 8 by being flexible coupling, described insulated tension pole 10 side is provided with rotating shaft 11, described insulated tension pole 10 is in transmission connection by rotating shaft 11 and operating mechanism 4.
Described insulated tension pole 10 side is also provided with tripping spring 12, and in use, tripping spring 12 can make conductive clip 8 be in gate-dividing state.
Described tripping spring 12 side is fixedly connected with shell 1, in use, keeps tripping spring 12 Stability Analysis of Structures.
Be provided with leg 13 bottom described shell 1, in use, keep installation reliable and stable.
Described outlet casing tube 3 arranged outside has current transformer 14, in use, keeps safe and reliable to operation.
In use, conducting rod 2 and outlet casing tube 3 are linked into respectively in circuit, tripping spring 12 makes conductive clip 8 be separated with conducting rod 2, circuit disconnects, make rotating shaft 11 drive insulated tension pole 10 to move by operating mechanism 4, conductive clip 8 is contacted with conducting rod 2, and circuit can be communicated with.
The invention has the beneficial effects as follows: the shell holding structure of setting is compact, volume is little, it is smooth and easy that conducting rod can keep electric current to access, insulating sleeve and insulated isolation cover can keep good insulation effect, vacuum interrupter can eliminate electric arc, keep safe and reliable, conductive clip can facilitate the disconnection of control circuit and close, and operating mechanism can control the movement of insulated tension pole by rotating shaft.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection scope of the present invention; therefore, the protection range that protection scope of the present invention should limit with claims is as the criterion.
Claims (5)
1. a circuit breaker, it is characterized in that: comprise shell, conducting rod, outlet casing tube and operating mechanism, described conducting rod is located on shell, described outlet casing tube and operating mechanism are located at shell both sides respectively, described conducting rod arranged outside has insulating sleeve, described insulating sleeve glues together with conducting rod and is connected, insulated isolation cover and vacuum interrupter is provided with bottom described conducting rod, described outlet casing tube side is provided with conductive clip, described conductive clip and outlet casing tube are electrically connected, described conductive clip is flexibly connected with conducting rod, be disposed with bottom described conductive clip and be flexible coupling and insulated tension pole, described insulated tension pole to be connected with conductive clip by being flexible coupling, described insulated tension pole side is provided with rotating shaft, described insulated tension pole is in transmission connection by rotating shaft and operating mechanism.
2. circuit breaker according to claim 1, is characterized in that: described insulated tension pole side is also provided with tripping spring.
3. circuit breaker according to claim 2, is characterized in that: described tripping spring side is fixedly connected with shell.
4. circuit breaker according to claim 1, is characterized in that: described outer casing bottom is provided with leg.
5. circuit breaker according to claim 1, is characterized in that: described outlet casing tube arranged outside has current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737923.XA CN105304417A (en) | 2015-11-04 | 2015-11-04 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737923.XA CN105304417A (en) | 2015-11-04 | 2015-11-04 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105304417A true CN105304417A (en) | 2016-02-03 |
Family
ID=55201528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737923.XA Pending CN105304417A (en) | 2015-11-04 | 2015-11-04 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105304417A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3368023A (en) * | 1965-01-11 | 1968-02-06 | Jennings Radio Mfg Corp | Hermetically sealed envelope structure for vacuum component |
| US3746811A (en) * | 1969-09-03 | 1973-07-17 | Hitachi Ltd | Vacuum circuit breaker |
| CN201698956U (en) * | 2010-05-10 | 2011-01-05 | 刘建刚 | High voltage vacuum circuit breaker employing permanent magnet operating mechanism |
| CN202159623U (en) * | 2011-08-19 | 2012-03-07 | 珠海许继电气有限公司 | Pole-type permanent magnet vacuum circuit breaker |
| CN202363354U (en) * | 2011-12-19 | 2012-08-01 | 凤凰科技集团有限公司 | Quick permanent-magnet flexible connector for vacuum circuit breaker |
| CN204155826U (en) * | 2014-11-01 | 2015-02-11 | 江苏华通电气科技有限公司 | A kind of Standard type intelligent vacuum circuit breaker |
| CN205159228U (en) * | 2015-11-04 | 2016-04-13 | 国家电网公司 | Breaker |
-
2015
- 2015-11-04 CN CN201510737923.XA patent/CN105304417A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3368023A (en) * | 1965-01-11 | 1968-02-06 | Jennings Radio Mfg Corp | Hermetically sealed envelope structure for vacuum component |
| US3746811A (en) * | 1969-09-03 | 1973-07-17 | Hitachi Ltd | Vacuum circuit breaker |
| CN201698956U (en) * | 2010-05-10 | 2011-01-05 | 刘建刚 | High voltage vacuum circuit breaker employing permanent magnet operating mechanism |
| CN202159623U (en) * | 2011-08-19 | 2012-03-07 | 珠海许继电气有限公司 | Pole-type permanent magnet vacuum circuit breaker |
| CN202363354U (en) * | 2011-12-19 | 2012-08-01 | 凤凰科技集团有限公司 | Quick permanent-magnet flexible connector for vacuum circuit breaker |
| CN204155826U (en) * | 2014-11-01 | 2015-02-11 | 江苏华通电气科技有限公司 | A kind of Standard type intelligent vacuum circuit breaker |
| CN205159228U (en) * | 2015-11-04 | 2016-04-13 | 国家电网公司 | Breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160203 |