CN207425763U - A kind of earth leakage circuit-breaker - Google Patents
A kind of earth leakage circuit-breaker Download PDFInfo
- Publication number
- CN207425763U CN207425763U CN201721626540.6U CN201721626540U CN207425763U CN 207425763 U CN207425763 U CN 207425763U CN 201721626540 U CN201721626540 U CN 201721626540U CN 207425763 U CN207425763 U CN 207425763U
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- arc extinguishing
- earth leakage
- grid pieces
- extinguishing grid
- arc
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Abstract
The utility model is related to a kind of earth leakage circuit-breakers, mainly solve the problems, such as that existing earth leakage circuit-breaker cannot automatically power off and be not provided with radiator and arc-control device when depositing gas leakage at home.The earth leakage circuit-breaker; it includes Switch main body; the coal gas detection device and arc-control device that earth leakage protective device is provided in the Switch main body and is adapted with earth leakage protective device; arc-control device includes the arc extinguishing grid pieces I being arranged in parallel and arc extinguishing grid pieces II; the afterbody of arc extinguishing grid pieces I and arc extinguishing grid pieces II are both provided with arc extinguishing groove; arc extinguishing groove is made of equally distributed strip groove; arc extinguishing grid pieces I and arc extinguishing grid pieces II both ends are both provided with bulge-structure; pair of radiating fan is additionally provided at left and right sides of Switch main body, temperature sensor is provided on cooling fin.The earth leakage circuit-breaker it is simple and reasonable, practical simple, securely and reliably, service life is long, easy to spread.
Description
Technical field
The utility model is related to electric leakage protection technology fields, and in particular to a kind of earth leakage circuit-breaker.
Background technology
Earth leakage circuit-breaker refers to that not only main circuit can be switched on or switched off by it as other breakers, and with pair
Leakage current test and the function of judging, when electric leakage or insulation breakdown occur in major loop, earth leakage circuit-breaker can be according to judgement
As a result switch element main circuit being switched on or switched off.It may make up the low pressure of perfect in shape and function with fuse, electrothermal relay cooperation
Switch element.
However existing earth leakage circuit-breaker only has the function of earth leakage protective and manual power on/off, fires at home
It is unable to auto power off during gas leakage, the electric arc that electrical equipment generates can ignite combustion gas, then trigger security incident.It leaks simultaneously
Radiator and arc-control device are not provided with inside electric protective circuit breaker, when temperature is excessively high or when phenomenon of arc discharge is easily damaged inside
Earth leakage protective device, formed security risk.Thus existing earth leakage circuit-breaker, which is improved, is very important.
Utility model content
In order to overcome the shortcomings of background technology, the utility model provides a kind of earth leakage circuit-breaker, mainly solves existing
Earth leakage circuit-breaker cannot automatically power off and be not provided with radiator and arc-control device when depositing gas leakage at home
Problem, the earth leakage circuit-breaker it is simple and reasonable, electric leakage is cut off when gas concentration is exceeded by coal gas detection device and is protected
Shield switch, prevents the exceeded generation security incident of gas concentration, and by arc-control device and cooling fin effectively avoid phenomenon of arc discharge or
Earth leakage protective device is damaged when the temperature is excessively high, it is safe, the overall performance of earth leakage circuit-breaker is substantially increased, it is practical simple,
Securely and reliably, service life is long, easy to spread.
Technical solution is used by the utility model:A kind of earth leakage circuit-breaker includes Switch main body, described to open
Close the coal gas detection device and arc-control device for being provided with earth leakage protective device in body and being adapted with earth leakage protective device, interrupter cartridge
It puts and includes the arc extinguishing grid pieces I being arranged in parallel and arc extinguishing grid pieces II, the afterbody of arc extinguishing grid pieces I and arc extinguishing grid pieces II, which are both provided with, to go out
Arc groove, arc extinguishing groove are made of equally distributed strip groove, and arc extinguishing grid pieces I and arc extinguishing grid pieces II both ends are both provided with protrusion
Structure is additionally provided with pair of radiating fan at left and right sides of Switch main body, temperature sensor is provided on cooling fin;
As to the utility model further instruction, it is preferable that the coal gas detection device, which includes, mutually electrically to be connected
Control module, coal gas detection module and the alarm modules connect, control module include the microcontroller being adapted and control circuit,
Coal gas detection module is provided with combustible gas sensor and coal gas detection circuit, and buzzer and sound electricity are provided in alarm modules
Road;
As to the utility model further instruction, it is preferable that the Switch main body surface is provided with and the electric leakage
Reset button, testing button and the signal lamp that protector is adapted;
As to the utility model further instruction, it is preferable that the Switch main body surface is additionally provided with equally distributed
Bar shaped detection mouth and loud-speaker opening, bar shaped detection mouth and loud-speaker opening are engaged respectively with the combustible gas sensor and buzzer;
As to the utility model further instruction, it is preferable that the arc-control device, which has further included, is fixedly connected with arc extinguishing
Left catch and right catch at left and right sides of grid I and arc extinguishing grid pieces II are both provided with and the protrusion on left catch and right catch
The locating slot that structure is adapted, and locating slot is set for oblique structure;
As to the utility model further instruction, it is preferable that the forepart of the arc extinguishing grid pieces I and arc extinguishing grid pieces II is equal
Equipped with grid notch, arc extinguishing grid pieces I separately interts with arc extinguishing grid pieces II, and the length of arc extinguishing grid pieces I is more than arc extinguishing grid pieces II
Length.
The beneficial effects of the utility model are:Due to taking above-mentioned technical proposal, the structure of the earth leakage circuit-breaker is simple
Rationally, earth leakage circuit-breaker is cut off when gas concentration is exceeded by coal gas detection device, prevents gas concentration is exceeded from pacifying
Full accident, and phenomenon of arc discharge is effectively avoided by arc-control device and cooling fin or damages earth leakage protective device when the temperature is excessively high, safety
Property it is high, substantially increase the overall performance of earth leakage circuit-breaker, practical simple, securely and reliably, service life is long, easy to spread.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the schematic diagram of arc-control device 4 in Fig. 1.
Fig. 3 is the functional block diagram of coal gas detection device 3 in Fig. 1.
1, Switch main body in figure;2nd, earth leakage protective device;3rd, coal gas detection device;4th, arc-control device;5th, arc extinguishing grid pieces I;6、
Arc extinguishing grid pieces II;7th, arc extinguishing groove;8th, bulge-structure;9th, cooling fin;10th, temperature sensor;11st, control module;12nd, combustion gas is examined
Survey module;13rd, alarm modules;14th, reset button;15th, testing button;16th, signal lamp;17th, bar shaped detection mouth;18th, raise
Acoustic aperture;19th, left catch;20th, right catch;21st, locating slot;22nd, grid notch.
Specific embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings:
As shown in Fig. 1 to 3, a kind of earth leakage circuit-breaker includes Switch main body 1, is provided in the Switch main body 1
Earth leakage protective device 2 and the coal gas detection device 3 being adapted with earth leakage protective device 2 and arc-control device 4, arc-control device 4 include
The arc extinguishing grid pieces I 5 and arc extinguishing grid pieces II 6 being arranged in parallel, arc extinguishing grid pieces I 5 and arc extinguishing grid pieces II 6 are for quickly extinguishing sound
The afterbody of the electric arc that contact closure disconnection generates, arc extinguishing grid pieces I 5 and arc extinguishing grid pieces II 6 are both provided with arc extinguishing groove 7, arc extinguishing
Groove 7 extinguishes the electric arc that forepart is not extinguished, and arc extinguishing groove 7 is made of equally distributed strip groove, arc extinguishing grid pieces I 5 and arc extinguishing
6 both ends of grid II are both provided with bulge-structure 8, and the left and right sides of Switch main body 1 is additionally provided with pair of radiating fan 9, cooling fin 9
On be provided with temperature sensor 10, cooling fin 9 is made of semi-conducting material.
The further setting of the present embodiment, the coal gas detection device 3 include be electrically connected to each other control module 11,
Coal gas detection module 12 and alarm modules 13, control module 11 include the microcontroller being adapted and control circuit, control mould
Block 11 detects cooperation 2 disconnecting circuit of earth leakage protective device when gas concentration is exceeded, reaches protection purpose, coal gas detection module 12 is set
Combustible gas sensor and coal gas detection circuit are equipped with, combustible gas sensor detection gas concentration, alarm modules 13 are interior to be set
There are buzzer and sound circuit, user is reminded by voice alarm when gas concentration is exceeded.
The further setting of the present embodiment, 1 surface of Switch main body are provided with what is be adapted with the earth leakage protective device 2
Reset button 14, testing button 15 and signal lamp 16, signal lamp 16 are used to show the work shape of earth leakage protective device 2
State.
The further setting of the present embodiment, 1 surface of Switch main body are additionally provided with equally distributed 17 He of bar shaped detection mouth
Loud-speaker opening 18, bar shaped detection mouth 17 and loud-speaker opening 18 are engaged respectively with the combustible gas sensor and buzzer.
The further setting of the present embodiment, the arc-control device 4, which has further included, is fixedly connected with arc extinguishing grid pieces I 5 and arc-chute
The left catch 19 and right catch 20 of the left and right sides of piece II 6 are both provided with and the bulge-structure on left catch 19 and right catch 20
8 locating slots 21 being adapted, and locating slot 21 is set for oblique structure, makes arc extinguishing grid pieces I 5 by the way that locating slot 21 is angularly disposed
With arc extinguishing grid pieces II 6 horizontal by 30 ~ 60 degree of angles, electric arc is made to be easier to carry out arc extinguishing into arc-control device.
The forepart of the further setting of the present embodiment, the arc extinguishing grid pieces I 5 and arc extinguishing grid pieces II 6 are equipped with grid and lack
Mouth 22, grid notch 22 is movable convenient for the dynamic/static contact of earth leakage protective device, and arc extinguishing grid pieces I 5 is separately worn with arc extinguishing grid pieces II 6
It inserts, and the length of arc extinguishing grid pieces I 5 is more than the length of arc extinguishing grid pieces II 6.
The earth leakage circuit-breaker it is simple and reasonable, leakage is cut off when gas concentration is exceeded by coal gas detection device 3
Electric protective circuit breaker prevents the exceeded generation security incident of gas concentration, and effectively avoids arcing by arc-control device 4 and cooling fin 9
Phenomenon damages earth leakage protective device 2 when the temperature is excessively high, safe, substantially increases the overall performance of earth leakage circuit-breaker, real
With simple, securely and reliably, service life is long, easy to spread.
Every technical staff's notice:Although the utility model describes according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept will all include this specially
In sharp scope of patent protection.
Claims (6)
1. a kind of earth leakage circuit-breaker, includes Switch main body, it is characterised in that:Earth leakage protective is provided in the Switch main body
Device and the coal gas detection device and arc-control device being adapted with earth leakage protective device, arc-control device include the arc extinguishing being arranged in parallel
The afterbody of grid I and arc extinguishing grid pieces II, arc extinguishing grid pieces I and arc extinguishing grid pieces II are both provided with arc extinguishing groove, and arc extinguishing groove is by uniform
The strip groove composition of distribution, arc extinguishing grid pieces I and arc extinguishing grid pieces II both ends are both provided with bulge-structure, the left and right two of Switch main body
Side is additionally provided with pair of radiating fan, and temperature sensor is provided on cooling fin.
2. a kind of earth leakage circuit-breaker according to claim 1, it is characterised in that:The coal gas detection device includes phase
Control module, coal gas detection module and the alarm modules being mutually electrically connected, control module include the microcontroller that is adapted and
Control circuit, coal gas detection module are provided with combustible gas sensor and coal gas detection circuit, buzzing are provided in alarm modules
Device and sound circuit.
3. a kind of earth leakage circuit-breaker according to claim 1, it is characterised in that:The Switch main body surface be provided with
Reset button, testing button and the signal lamp that the earth leakage protective device is adapted.
4. a kind of earth leakage circuit-breaker according to claim 2, it is characterised in that:The Switch main body surface is additionally provided with
The bar shaped detection mouth and loud-speaker opening of even distribution, bar shaped detection mouth and loud-speaker opening respectively with the combustible gas sensor and buzzer
It is engaged.
5. a kind of earth leakage circuit-breaker according to claim 1, it is characterised in that:The arc-control device has further included fixation
Connect the left catch at left and right sides of arc extinguishing grid pieces I and arc extinguishing grid pieces II and right catch, be both provided on left catch and right catch with
The locating slot that the bulge-structure is adapted, and locating slot is set for oblique structure.
6. a kind of earth leakage circuit-breaker according to claim 1 or 5, it is characterised in that:The arc extinguishing grid pieces I and arc-chute
The forepart of piece II is equipped with grid notch, and arc extinguishing grid pieces I separately interts with arc extinguishing grid pieces II, and the length of arc extinguishing grid pieces I is big
In the length of arc extinguishing grid pieces II.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721626540.6U CN207425763U (en) | 2017-11-29 | 2017-11-29 | A kind of earth leakage circuit-breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721626540.6U CN207425763U (en) | 2017-11-29 | 2017-11-29 | A kind of earth leakage circuit-breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207425763U true CN207425763U (en) | 2018-05-29 |
Family
ID=62396398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721626540.6U Active CN207425763U (en) | 2017-11-29 | 2017-11-29 | A kind of earth leakage circuit-breaker |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207425763U (en) |
-
2017
- 2017-11-29 CN CN201721626540.6U patent/CN207425763U/en active Active
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