CN205487977U - Novel middling pressure circuit breaker - Google Patents
Novel middling pressure circuit breaker Download PDFInfo
- Publication number
- CN205487977U CN205487977U CN201620020597.0U CN201620020597U CN205487977U CN 205487977 U CN205487977 U CN 205487977U CN 201620020597 U CN201620020597 U CN 201620020597U CN 205487977 U CN205487977 U CN 205487977U
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- Prior art keywords
- medium voltage
- temperature sensor
- arc
- chutes
- nozzle
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- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a novel middling pressure circuit breaker, including putting on the shelf, go up the contact arm, temperature sensor one, the static contact, the moving contact, temperature sensor two, the lower contact arm, middling pressure circuit breaker body, the moving contact transfer line, electronic type current transformer, the explosion chamber, the spray tube, nozzle no. 1, nozzle no. 2, power transformer, a controller, including a motor, an end cap, a controller, and a cover plate, fire extinguisher and electromagnetic switch, nozzle no. 1 sets up respectively on the spray tube with nozzle no. 2 and lies in explosion chamber and last contact arm upper portion, electromagnetic switch sets up on the spray tube and lies in the fire extinguisher exit, moving contact transfer line lower part is connected for the pinion rack form and with the meshing of motor shaft pinion rack, temperature sensor one, temperature sensor two, electronic type current transformer, power transformer, motor and electromagnetic switch pass through the cable and are connected with the controller. Effectually solved the potential safety hazard that the abnormal current arouses that high temperature strikes sparks and appear, the reliable puts out a fire to its saving oneself nature of body, and in time the disengagement failure circuit prevents accident expansion, guarantees the safe operation.
Description
Technical field
This utility model relates to chopper manufacturing technology field, is specifically related to a kind of Novel medium voltage chopper.
Background technology
Chopper refers to close, carry and cut-off the electric current under normal loop condition the switching device of electric current that can close, carry within the time of regulation and cut-off under abnormal loop condition.Chopper is divided into low pressure, medium and high pressure chopper by its range.Wherein medium voltage breaker refers to the occasion of application in the range of 1 to 52kV.Medium voltage breaker can also be widely used for distributing electric energy; infrequently start asynchronous motor; power circuit and motor etc. are carried out protection; when there are serious overloads or the fault such as short-circuit and under-voltage in them can automatic shutdown circuit, its function is equivalent to Fuse switch and crosses the combination of underheat relay etc..Medium voltage breaker is typically made up of contact system, arc quenching system, operating mechanism, electrical apparatus release, shell etc..When short circuit, the magnetic field of generation overcomes reaction spring, electrical apparatus release pull operation mechanism action, switchs instantaneous tripping；When the load, electric current becomes big, and caloric value is aggravated, bi-metal plate deformed pushing mechanism action to a certain extent.Medium voltage breaker is mainly due to having arc quenching system in arc-chutes so that it act as preferable role in electric power network, has effectively ensured that electrical network is powered trouble-free operation.But, when violent current variation, medium voltage breaker contact portion i.e. contact is mainly contact arm heating excessively, spark phenomenon occurs, brings potential safety hazard to operation of power networks, may result in fire time serious.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of Novel medium voltage chopper improving safe handling property.
nullA kind of Novel medium voltage chopper，Including added、Upper contact head arm、Temperature sensor one、Static contact、Moving contact、Temperature sensor two、Lower contact arm、Medium voltage breaker body、Moving contact drive link、Electronic current mutual inductor、Arc-chutes、Jet pipe、Nozzle one、Nozzle two、Mains transformer、Controller、Motor、Fire extinguisher and electromagnetic switch，Added it is arranged on medium voltage breaker body upper part，Arc extinguishing chamber body is arranged on medium voltage breaker body，Upper contact head arm is arranged on arc-chutes top，Lower contact arm is arranged on arc-chutes bottom，Temperature sensor one laminating is arranged on upper contact head arm，Temperature sensor two laminating is arranged in lower contact arm，Static contact is arranged on arc-chutes internal upper part and is connected with upper contact head arm by electrical connector，Moving contact is arranged in arc-chutes bottom and is connected with lower contact arm by electrical connector，Electronic current mutual inductor is integrated with lower contact arm sealing，Mains transformer、Controller、Motor and fire extinguisher are arranged on medium voltage breaker body，Jet pipe one end be connected with fire extinguisher the other end be fixed on added under，Nozzle one and nozzle two are separately positioned on jet pipe and are positioned at arc-chutes and upper contact head arm top，Electromagnetic switch arranges on jet pipe and is positioned at fire extinguisher exit，Moving contact drive link bottom is tooth plate shape and is connected with the engagement of motor shaft tooth plate，Temperature sensor one、Temperature sensor two、Electronic current mutual inductor、Mains transformer、Motor and electromagnetic switch are connected with controller by cable.
Further, this Novel medium voltage chopper also includes Smoke Sensor, and Smoke Sensor is arranged on added bottom and is positioned at arc-chutes upper contact head arm top, and Smoke Sensor is connected with controller by cable.
Further, the fire extinguisher of this Novel medium voltage chopper is dry powder extinguisher.
By having the beneficial effect that this technological means this utility model obtains, this Novel medium voltage breaker structure is simple, easy to install.Effectively solving the potential safety hazard that abnormal current causes high temperature sparking to occur, put out a fire its saving oneself property of body reliably, timely disengagement failure circuit, Accident prevention expands, it is ensured that safe operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is logic control chart of the present utility model；
In the drawings: 1, added；2, jet pipe；3, nozzle one；4, Smoke Sensor；5, nozzle two；6, upper contact head arm；7, temperature sensor one；8, static contact；9, moving contact；10, temperature sensor two；11, lower contact arm；12, mains transformer；13, controller；14, motor；15, medium voltage breaker body；16, moving contact drive link；17, fire extinguisher；18, electromagnetic switch；19, electronic current mutual inductor；20, arc-chutes.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining utility model, is not intended to limit scope of the present utility model.
nullA kind of Novel medium voltage chopper，Including added 1、Upper contact head arm 6、Temperature sensor 1、Static contact 8、Moving contact 9、Temperature sensor 2 10、Lower contact arm 11、Medium voltage breaker body 15、Moving contact drive link 16、Electronic current mutual inductor 19 and arc-chutes 20，Added 1 is arranged on medium voltage breaker body 15 top，Arc-chutes 20 body is arranged on medium voltage breaker body 15，Upper contact head arm 6 is arranged on arc-chutes 20 top，Lower contact arm 11 is arranged on arc-chutes 20 bottom，Temperature sensor 1 laminating is arranged on upper contact head arm 6，Temperature sensor 2 10 laminating is arranged in lower contact arm 11，Static contact 8 is arranged on arc-chutes 20 internal upper part and is connected with upper contact head arm 6 by electrical connector，Moving contact 9 is arranged in arc-chutes 20 bottom and is connected with lower contact arm 11 by electrical connector，Electronic current mutual inductor 19 is integrated with lower contact arm 11 sealing，This Novel medium voltage chopper also includes jet pipe 2、Nozzle 1、Nozzle 25、Mains transformer 12、Controller 13、Motor 14、Fire extinguisher 17 and electromagnetic switch 18，Mains transformer 12、Controller 13、Motor 14 and fire extinguisher 17 are arranged on medium voltage breaker body 15，Jet pipe 2 one end is connected the other end and is fixed on added 1 time with fire extinguisher 17，Nozzle 1 and nozzle 25 are separately positioned on jet pipe 2 and are positioned at arc-chutes 20 and upper contact head arm 6 top，Electromagnetic switch 18 is arranged on jet pipe 2 and is positioned at fire extinguisher 17 exit，Moving contact drive link 16 bottom is tooth plate shape and is connected with the engagement of motor 14 axle tooth plate，Temperature sensor 1、Temperature sensor 2 10、Electronic current mutual inductor 19、Mains transformer 12、Motor 14 and electromagnetic switch 18 are connected with controller 13 by cable.
For making preferably to judge fire, improve and judge effect reliably, improve its safety.This Novel medium voltage chopper also includes that Smoke Sensor 4, Smoke Sensor 4 are arranged on added 1 bottom and are positioned at arc-chutes 20 and upper contact head arm 6 top, and Smoke Sensor 4 is connected with controller 13 by cable.
When a fire, more efficiently fire extinguishing, protect existing equipment to greatest extent, reduce loss.The fire extinguisher 17 of this Novel medium voltage chopper is dry powder extinguisher.
Utility model works principle is: temperature sensor 1 and temperature sensor 2 10 detect the temperature in upper contact head arm 6 and lower contact arm 11 the most in real time and transmit the signal to controller 13, this temperature signal is judged by controller 13 with set temperature value, send and whether fire occurs, as fire occurs, then controlling electromagnetic switch 18 to open, fire extinguisher 17 is put out a fire by the nozzle 1 on jet pipe 2 and 25 pairs of medium voltage breakers of nozzle.In like manner, Smoke Sensor 4 detects medium voltage breaker top smoke condition in real time, and by this signal real-time Transmission to controller 13, this smoke signal is judged by controller 13 with setting smog value, send and whether fire occurs, as there is fire, then controlling electromagnetic switch 18 and open, fire extinguisher 17 is put out a fire by the nozzle 1 on jet pipe 2 and 25 pairs of medium voltage breakers of nozzle.Protection medium voltage breaker safely and effectively runs to greatest extent.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (3)
- null1. a Novel medium voltage chopper，Including added (1)、Upper contact head arm (6)、Temperature sensor one (7)、Static contact (8)、Moving contact (9)、Temperature sensor two (10)、Lower contact arm (11)、Medium voltage breaker body (15)、Moving contact drive link (16)、Electronic current mutual inductor (19) and arc-chutes (20)，Described added (1) is arranged on medium voltage breaker body (15) top，Described arc-chutes (20) are arranged on medium voltage breaker body (15)，Described upper contact head arm (6) is arranged on arc-chutes (20) top，Described lower contact arm (11) is arranged on arc-chutes (20) bottom，Described temperature sensor one (7) laminating is arranged on upper contact head arm (6)，Described temperature sensor two (10) laminating is arranged in lower contact arm (11)，Described static contact (8) is arranged on arc-chutes (20) internal upper part and is connected with upper contact head arm (6) by electrical connector，Described moving contact (9) is arranged on arc-chutes (20) interior bottom and is connected with lower contact arm (11) by electrical connector，Described electronic current mutual inductor (19) is integrated with lower contact arm (11) sealing，It is characterized in that: described Novel medium voltage chopper also includes jet pipe (2)、Nozzle one (3)、Nozzle two (5)、Mains transformer (12)、Controller (13)、Motor (14)、Fire extinguisher (17) and electromagnetic switch (18)，Described mains transformer (12)、Controller (13)、Motor (14) and fire extinguisher (17) are arranged on medium voltage breaker body (15)，Described jet pipe (2) one end is connected the other end with fire extinguisher (17) and is fixed under added (1)，Described nozzle one (3) and nozzle two (5) are separately positioned on jet pipe (2) and above and are positioned at arc-chutes (20) and upper contact head arm (6) top，Described electromagnetic switch (18) is arranged on jet pipe (2) and above and is positioned at fire extinguisher (17) exit，Described moving contact drive link (16) bottom is tooth plate shape and is connected with the engagement of motor (14) axle tooth plate，Described temperature sensor one (7)、Temperature sensor two (10)、Electronic current mutual inductor (19)、Mains transformer (12)、Motor (14) and electromagnetic switch (18) are connected with controller (13) by cable.
- Novel medium voltage chopper the most according to claim 1, it is characterized in that: described Novel medium voltage chopper also includes Smoke Sensor (4), described Smoke Sensor (4) is arranged on added (1) bottom and is positioned at arc-chutes (20) and upper contact head arm (6) top, and described Smoke Sensor (4) is connected with controller (13) by cable.
- Novel medium voltage chopper the most according to claim 1 and 2, it is characterised in that: described fire extinguisher (17) is dry powder extinguisher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620020597.0U CN205487977U (en) | 2016-01-11 | 2016-01-11 | Novel middling pressure circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620020597.0U CN205487977U (en) | 2016-01-11 | 2016-01-11 | Novel middling pressure circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487977U true CN205487977U (en) | 2016-08-17 |
Family
ID=56666645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620020597.0U Expired - Fee Related CN205487977U (en) | 2016-01-11 | 2016-01-11 | Novel middling pressure circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172429A (en) * | 2017-12-21 | 2018-06-15 | 德力西电气有限公司 | A kind of structure of contact terminal with air-sweeping type arc extinguishing structure |
| CN109003867A (en) * | 2017-06-06 | 2018-12-14 | 人民电器集团上海有限公司 | A kind of breaker preventing skewered |
| CN110223880A (en) * | 2019-07-24 | 2019-09-10 | 四川电器集团股份有限公司 | A kind of intelligent breaker handcart |
-
2016
- 2016-01-11 CN CN201620020597.0U patent/CN205487977U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003867A (en) * | 2017-06-06 | 2018-12-14 | 人民电器集团上海有限公司 | A kind of breaker preventing skewered |
| CN108172429A (en) * | 2017-12-21 | 2018-06-15 | 德力西电气有限公司 | A kind of structure of contact terminal with air-sweeping type arc extinguishing structure |
| CN110223880A (en) * | 2019-07-24 | 2019-09-10 | 四川电器集团股份有限公司 | A kind of intelligent breaker handcart |
| CN110223880B (en) * | 2019-07-24 | 2024-02-13 | 四川电器集团股份有限公司 | Intelligent circuit breaker handcart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |