CN110246728B - External circuit breaker of electric energy meter - Google Patents
External circuit breaker of electric energy meter Download PDFInfo
- Publication number
- CN110246728B CN110246728B CN201910327894.8A CN201910327894A CN110246728B CN 110246728 B CN110246728 B CN 110246728B CN 201910327894 A CN201910327894 A CN 201910327894A CN 110246728 B CN110246728 B CN 110246728B
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- CN
- China
- Prior art keywords
- circuit breaker
- air bag
- switch
- control switch
- breaker body
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- 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.)
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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
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Abstract
The invention discloses an external circuit breaker of an electric energy meter, which structurally comprises a circuit breaker body, a prompting light bar, an insulating base, a control switch, an operating handle and a crack filling protection device, wherein the prompting light bar is embedded in the front surface of the circuit breaker body, and the insulating base is arranged at the lower part of the circuit breaker body and is of an integrally formed structure. According to the invention, through the arranged seam filling protection device, on the premise of not influencing the normal swinging of the breaker switch, a gap reserved at the breaker switch can be flexibly blocked, namely, when the switch is opened upwards, the lower edge of the switch loses the shielding of the handle, a larger gap is exposed, the expanded air bag is used for blocking the gap, the upper edge of the switch does not need seam filling treatment due to the shielding of the handle, the air bag is in a contraction state, the swinging of the switch can be prevented from being influenced, and insects, dust and water vapor can be effectively prevented from entering the breaker, so that the breaker is protected.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to an external circuit breaker of an electric energy meter.
Background
The circuit breaker is a switching device which can close, bear and open/close current under normal loop conditions and can close, bear and open/close current under abnormal loop conditions within a specified time, and the external circuit breaker of the electric energy meter is a circuit breaker arranged on the outer surface of the electric energy meter, however, the external circuit breaker of the electric energy meter in the prior art still has the following defects:
the external circuit breaker of electric energy meter is located the electric energy meter surface, and it is and exposes in external environment, because of the luffing motion of its switch, the gap can be left to the top and bottom edge, and its bottom edge gap is great when especially the switch is swung down its top edge and switch are swung up, leads to there being insect, dust and steam to get into inside the circuit breaker.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an external circuit breaker of an electric energy meter, which aims to solve the problem that insects, ants, dust and water vapor enter the circuit breaker due to the fact that gaps are reserved on the upper edge and the lower edge of the external circuit breaker of the electric energy meter in the prior art because the external circuit breaker is arranged on the outer surface of the electric energy meter and exposed in the external environment due to the vertical swing of a switch, and particularly, the gaps are large on the upper edge when the switch swings downwards and the lower edge when the switch swings upwards.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an external circuit breaker of an electric energy meter structurally comprises a circuit breaker body, a prompting lamp strip, an insulating base, a control switch, a control handle and a crack-repairing protection device, wherein the prompting lamp strip is embedded in the front surface of the circuit breaker body;
the seam repair protection device is composed of a contraction and expansion seam repair air bag, an arc strip and an air pushing mechanism, wherein the contraction and expansion seam repair air bag is arranged behind the upper edge and the lower edge of the control switch, two ends of the arc strip are connected with the contraction and expansion seam repair air bag, and the air pushing mechanism is arranged below the contraction and expansion seam repair air bag and is in through connection.
As a further scheme of the invention, the contraction and expansion joint filling air bag comprises an air bag, an extrusion groove, a telescopic structure, an end sleeve and a spring, wherein the extrusion groove is formed in the front surface of the air bag and is of an integrally formed structure, the telescopic structure is uniformly and equidistantly arranged on the outer surface of the air bag, the end sleeve is arranged at two ends of the air bag and is connected with the end sleeve in a nested manner, and two ends of the spring are welded with the end sleeve.
As a further scheme of the invention, the two contraction and expansion joint filling air bags are respectively arranged behind the upper edge and the lower edge of the control switch and are freely contracted and expanded by arranging a telescopic structure.
As a further scheme of the invention, two arc strips are symmetrically arranged on two sides of the control switch, and two ends of each arc strip are connected with the two contraction and expansion joint-mending air bags.
As a further scheme of the invention, the air pushing mechanism comprises a mechanism main body, an air cavity, an air pushing plate, an air pushing block, an electro-hydraulic pressure rod and an air equalizing hose, wherein the mechanism main body is in a bucket shape, the air cavity is arranged in the mechanism main body, the air pushing plate is arranged in the air cavity and adopts transition fit, the air pushing block is arranged on the front surface of the air pushing plate and is welded with the upper end of the electro-hydraulic pressure rod, the lower end of the electro-hydraulic pressure rod is movably connected with a hydraulic cylinder, and the air equalizing hose is communicated with the air cavity.
As a further scheme of the invention, the air-homogenizing hose is provided with 10-20 hoses which are evenly arranged on two sides of the air cavity in two equal parts at equal intervals, and two ends of the air-homogenizing hose are respectively communicated with the air cavity and the air bag.
According to a further scheme of the invention, the inner end of the control handle is of a semicircular structure, meshing protrusions are arranged at two ends of the semicircular structure, the control handle is meshed and connected with an extrusion groove of the contraction and expansion joint filling air bag through the meshing protrusions, buckling particles are arranged on the inner ring of the semicircular structure, and the control handle is meshed and connected with the control switch through the buckling particles.
In a further aspect of the invention, when the control switch is in the off state, i.e. it swings downward, and when the airbag at the upper edge of the control switch is in the inflated state, the gap exposed at the upper edge when the control switch is off is just supplemented.
In a further aspect of the present invention, when the control switch is in an open state, that is, when the control switch is in an upward swing state, the airbag located at the lower edge of the control switch is in an inflated state, the gap exposed at the lower edge of the control switch when the control switch is opened is just supplemented.
Advantageous effects of the invention
Compared with the traditional external circuit breaker of the electric energy meter, the gap reserved at the position of the circuit breaker switch can be flexibly blocked by the gap repairing protection device on the premise of not influencing the normal swinging of the circuit breaker switch, namely, when the switch is opened upwards, the lower edge of the switch loses the shielding of the handle, a larger gap is exposed, the expanded air bag is used for blocking the gap, the gap is not required to be repaired due to the shielding of the handle at the upper edge of the switch, the air bag is in a contraction state, the swinging of the switch can be prevented from being influenced, and insects, dust and water vapor can be effectively prevented from entering the circuit breaker to protect the circuit breaker.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
fig. 1 is a schematic structural diagram of an external circuit breaker of an electric energy meter according to the present invention.
Fig. 2 is a structural front view of a crack filling protection device of an external circuit breaker of an electric energy meter according to the present invention.
Fig. 3 is a structural bottom view of the crack filling protection device of the external circuit breaker of the electric energy meter.
FIG. 4 is a structural side view of a scaling and mending airbag of an external circuit breaker of an electric energy meter.
Fig. 5 is a structural side view of a control switch and a control handle of an external circuit breaker of an electric energy meter according to the present invention.
In the figure: the automatic seam-repairing device comprises a breaker body-1, a prompting light bar-2, an insulating base-3, a control switch-4, a control handle-5, a seam-repairing protection device-6, a scaling seam-repairing air bag-61, an arc bar-62, an air pushing mechanism-63, an air bag-611, an extrusion groove-612, a telescopic structure-613, an end sleeve-614, a spring-615, a mechanism main body-631, an air cavity-632, an air pushing plate-633, a pushing block-634, an electro-hydraulic pressure rod-635, an air-homogenizing hose-636, a semi-circular structure-5 a, an engaging protrusion-5 b and a buckling particle-5 c.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the present invention provides a technical solution of an external circuit breaker for an electric energy meter:
an external circuit breaker of an electric energy meter structurally comprises a circuit breaker body 1, a prompting lamp strip 2, an insulating base 3, a control switch 4, a control handle 5 and a crack-repairing protection device 6, wherein the prompting lamp strip 2 is embedded in the front surface of the circuit breaker body 1, the insulating base 3 is arranged at the lower part of the circuit breaker body 1 and is of an integrated forming structure, the control switch 4 is arranged at the front center of the circuit breaker body 1 and is movably connected through a hinge, the control handle 5 is arranged in front of the control switch 4 and is meshed with the control switch 4, and the crack-repairing protection device 6 is arranged inside the circuit breaker body 1 and is positioned behind the control switch 4;
the seam repair protection device 6 is composed of a scaling seam repair air bag 61, an arc strip 62 and an air pushing mechanism 63, wherein the scaling seam repair air bag 61 is arranged behind the upper edge and the lower edge of the control switch 4, two ends of the arc strip 62 are connected with the scaling seam repair air bag 61, and the air pushing mechanism 63 is arranged below the scaling seam repair air bag 61 and is in through connection.
The contraction and expansion joint-filling air bag 61 comprises an air bag 611, an extrusion groove 612, a telescopic structure 613, an end sleeve 614 and a spring 615, wherein the extrusion groove 612 is arranged on the front surface of the air bag 611 and is of an integrally formed structure, the telescopic structure 613 is uniformly and equidistantly arranged on the outer surface of the air bag 611, the end sleeve 614 is arranged at two ends of the air bag 611 and is connected with the end sleeve 614 in a nested manner, and two ends of the spring 615 are welded with the end sleeve 614.
The two scaling and seam-filling airbags 61 are respectively arranged behind the upper edge and the lower edge of the control switch 4, and are freely contracted and expanded by being provided with a telescopic structure 613.
The two arc strips 62 are symmetrically arranged on two sides of the control switch 4, and two ends of the arc strips are connected with the two contraction and expansion joint filling airbags 61.
Push away gas mechanism 63 by mechanism main part 631, air cavity 632, push away aerofoil 633, ejection block 634, electric liquid depression bar 635, even air hose 636 constitutes, mechanism main part 631 is the fill form, inside mechanism main part 631 was located to air cavity 632, push away aerofoil 633 and locate inside and adopt transition fit of air cavity 632, push away ejection block 634 locate push away aerofoil 633 front surface and with electric liquid depression bar 635 upper end welding, electric liquid depression bar 635 lower extreme and pneumatic cylinder swing joint, even air hose 636 and air cavity 632 through connection.
The air-homogenizing hose 636 is provided with 10-20 pieces which are evenly arranged on two sides of the air cavity 632 in equal intervals, and two ends of the air-homogenizing hose 636 are respectively communicated with the air cavity 632 and the air bag 611.
When the control switch 4 is in the closed state, that is, it swings downward, and when the airbag 611 located at the upper edge of the control switch 4 is in the expanded state, the gap exposed at the upper edge when the control switch 4 is closed is just supplemented.
When the control switch 4 is in an open state, that is, it swings upward, and at this time, when the airbag 611 located at the lower edge of the control switch 4 is in an expanded state, the gap exposed at the lower edge when the control switch 4 is opened is just supplemented.
The working principle of the invention is as follows: the circuit breaker is arranged on the outer surface of the electric energy meter, and a circuit is correctly connected, so that the control switch 4 can be controlled to open and close the circuit breaker by pushing up or pulling down the control handle 5; when the circuit breaker is to be opened, the control switch 4 is swung upwards by the control handle 5 through the buckling particles 5c, and at the moment, gaps at the lower edge of the control switch 4 are not left because the shielding of the control handle 5 is reduced; when the control handle 5 is pushed upwards, the engagement protrusion 5b arranged at the upper end of the control handle is embedded into the extrusion groove 612, the air bag 611 is extruded backwards, the two ends of the air bag 611 are extruded under the action of the elastic potential energy of the spring 615, the air in the air bag 611 is extruded into the air cavity 632 through the air homogenizing hose 636, the air bag 611 on the lower surface of the control switch 4 loses the extrusion of the engagement protrusion 5b, the air pushing plate 633 is pushed forwards through the electro-hydraulic pressure rod 635 in a matching manner, the air in the air cavity 632 is extruded into the other air bag 611 through the spring 615, the air expands under the assistance of the telescopic structure 613, and a gap exposed at the lower edge of the control switch 4 is blocked; when the circuit breaker is to be closed, the airbag 611 located below is contracted, the airbag 612 located above is expanded, the gap at the lower edge of the control switch 4 is blocked, and insects, dust and water vapor are prevented from entering the interior of the circuit breaker through the gap.
The invention solves the problem that the external breaker of the electric energy meter in the prior art is arranged on the outer surface of the electric energy meter, the external breaker is exposed in the external environment, gaps are reserved on the upper edge and the lower edge of the external breaker due to the vertical swing of a switch, and particularly, the gaps on the upper edge of the external breaker and the lower edge of the external breaker are larger when the switch swings downwards, so that insects, dust and water vapor enter the internal part of the external breaker, through the mutual combination of the components, the invention can flexibly block the gaps reserved at the switch of the external breaker on the premise of not influencing the normal swing of the switch of the external breaker by the arranged seam repairing protection device, namely, when the switch is opened upwards, the lower edge of the external breaker loses the shielding of a handle, the larger gap is exposed, the expanded air bag is used for blocking the gap, the upper edge of the switch does not need to perform seam repairing treatment due to the shielding of the handle, the air bag is in a contraction state, so, can prevent effectively that insect, dust and steam from entering inside the circuit breaker, protect the circuit breaker.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The utility model provides an external circuit breaker of electric energy meter, its structure includes circuit breaker body (1), suggestion lamp strip (2), insulator foot (3), control switch (4), controls hand (5), crack filling protector (6), its characterized in that:
the prompting lamp bar (2) is embedded in the front surface of the circuit breaker body (1), the insulating base (3) is arranged at the lower part of the circuit breaker body (1) and is of an integrated forming structure, the control switch (4) is arranged at the center of the front part of the circuit breaker body (1) and is movably connected through a hinge, the control handle (5) is arranged in front of the control switch (4) and is in meshed connection with the control switch, and the crack repairing protection device (6) is arranged inside the circuit breaker body (1) and is located behind the control switch (4);
the seam repair protection device (6) consists of a scaling seam repair air bag (61), an arc strip (62) and an air pushing mechanism (63), the contraction and expansion joint-filling air bag (61) is arranged behind the upper edge and the lower edge of the control switch (4), the two ends of the arc strip (62) are connected with the contraction and expansion joint-filling air bag (61), the air pushing mechanism (63) is arranged below the contraction and expansion joint-filling air bag (61) and is communicated with the contraction and expansion joint-filling air bag, the scaling and seam-filling air bag (61) consists of an air bag (611), an extrusion groove (612), a telescopic structure (613), an end sleeve (614) and a spring (615), the extrusion groove (612) is arranged on the front surface of the air bag (611) and is of an integrated molding structure, the telescopic structures (613) are uniformly and equidistantly arranged on the outer surface of the air bag (611), the end sleeves (614) are arranged at two ends of the air bag (611) and connected in a nested manner, and two ends of the spring (615) are welded with the end sleeves (614).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910327894.8A CN110246728B (en) | 2019-04-23 | 2019-04-23 | External circuit breaker of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910327894.8A CN110246728B (en) | 2019-04-23 | 2019-04-23 | External circuit breaker of electric energy meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110246728A CN110246728A (en) | 2019-09-17 |
| CN110246728B true CN110246728B (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910327894.8A Active CN110246728B (en) | 2019-04-23 | 2019-04-23 | External circuit breaker of electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110246728B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389555A (en) * | 1982-04-05 | 1983-06-21 | Heinemann Electric Company | Circuit breaker with increased electrical spacing |
| CN104485263A (en) * | 2014-12-28 | 2015-04-01 | 宁波恒升电气有限公司 | Intelligent type universal circuit breaker |
| CN204516694U (en) * | 2015-04-16 | 2015-07-29 | 祥华防爆电器有限公司 | Flameproof circuit breaker |
| CN106935445A (en) * | 2015-12-30 | 2017-07-07 | 三信国际电器上海有限公司 | A kind of equipment storing apparatus and the residual current action breaker with the device |
| CN207082490U (en) * | 2017-07-05 | 2018-03-09 | 浙江正泰电器股份有限公司 | Electromagnetic residual current acting breaker |
-
2019
- 2019-04-23 CN CN201910327894.8A patent/CN110246728B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389555A (en) * | 1982-04-05 | 1983-06-21 | Heinemann Electric Company | Circuit breaker with increased electrical spacing |
| CN104485263A (en) * | 2014-12-28 | 2015-04-01 | 宁波恒升电气有限公司 | Intelligent type universal circuit breaker |
| CN204516694U (en) * | 2015-04-16 | 2015-07-29 | 祥华防爆电器有限公司 | Flameproof circuit breaker |
| CN106935445A (en) * | 2015-12-30 | 2017-07-07 | 三信国际电器上海有限公司 | A kind of equipment storing apparatus and the residual current action breaker with the device |
| CN207082490U (en) * | 2017-07-05 | 2018-03-09 | 浙江正泰电器股份有限公司 | Electromagnetic residual current acting breaker |
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| Publication number | Publication date |
|---|---|
| CN110246728A (en) | 2019-09-17 |
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Legal Events
| Date | Code | Title | Description |
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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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Ke Inventor after: Weng Qingyong Inventor before: Weng Qingyong |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201223 Address after: No.1, 5th floor, unit 3, No.19, Yonghe street, Nangang District, Harbin City, Heilongjiang Province Applicant after: Li Ke Address before: 215600 Electric Power Research Institute, No.8, Changxing Middle Road, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: Weng Qingyong |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210122 Address after: 150070 No.21, Edmund Road, Daoli District, Harbin City, Heilongjiang Province Patentee after: HARBIN HUIXIN INSTRUMENT Co.,Ltd. Address before: No.1, 5th floor, unit 3, No.19, Yonghe street, Nangang District, Harbin City, Heilongjiang Province Patentee before: Li Ke |