CN212485232U - Protective cover of residual current circuit breaker - Google Patents
Protective cover of residual current circuit breaker Download PDFInfo
- Publication number
- CN212485232U CN212485232U CN202021199498.6U CN202021199498U CN212485232U CN 212485232 U CN212485232 U CN 212485232U CN 202021199498 U CN202021199498 U CN 202021199498U CN 212485232 U CN212485232 U CN 212485232U
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- protective cover
- circuit breaker
- residual current
- current circuit
- sides
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Abstract
The utility model discloses a protective cover of a leakage circuit breaker, which comprises a base, a protective cover is fixedly arranged on the front vertical face of the base, the top of the protective cover is provided with an exhaust fan, a leakage circuit breaker body is arranged in the protective cover, two sides of the leakage circuit breaker body are provided with connecting shafts which are symmetrically distributed, one sides of the two groups of connecting shafts which are close to each other are all provided with air outlet pipes, one sides of the two groups of connecting shafts which are far away from each other are all fixedly connected with connecting pipes, one sides of the connecting pipes are fixedly connected with an air blower, the air blower blows external air into the connecting shafts through the connecting pipes, so that the air uniformly flows through each position in the protective cover, the heat generated by the leakage circuit breaker body in the protective cover is fully taken away, meanwhile, the heat dissipation holes on the two sides of, the circulation rate of air in the protective cover is improved.
Description
Technical Field
The utility model relates to a residual current circuit breaker field especially relates to a residual current circuit breaker's safety cover.
Background
The leakage breaker is a switch which can automatically act when the leakage current in a circuit exceeds a preset value. The conventional leakage circuit breaker is classified into a voltage type and a current type, and the current type is classified into an electromagnetic type and an electronic type. The earth leakage circuit breaker is used for preventing human body from electric shock and is selected according to different requirements of direct contact and indirect contact electric shock protection. The voltage type leakage circuit breaker is used for a low-voltage power grid with a transformer neutral point not grounded. When a person gets an electric shock, a high voltage appears on the ground by the zero line, which causes the action of the relay and the tripping of the power switch. The current type residual current circuit breaker is mainly used for a low-voltage distribution system with a transformer neutral point grounded. When a person gets an electric shock, a leakage current is detected by the zero sequence current transformer, so that the relay acts and the power switch is switched off.
This application improves under prior art, and among the prior art, the electric leakage circuit breaker that has now on the market mostly adopts closed protective housing, and the inside heat of electric leakage circuit breaker can't in time scatter and disappear, influences the action performance of product easily, and the electrical property stability is also relatively poor, and the security performance is than low, and the radiating effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a protective cover of a residual current circuit breaker.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a leakage circuit breaker's safety cover, includes the base, the preceding facade fixed mounting of base has the safety cover, the safety cover top is provided with the air exhauster, be equipped with in the safety cover with base fixed mounting's leakage circuit breaker body, leakage circuit breaker body both sides are equipped with the connecting axle of symmetric distribution, and the connecting axle rotates with the safety cover inner wall to be connected, and are two sets of multiunit equidistance distribution's play tuber pipe is all installed to one side that the connecting axle is close to each other, and is two sets of the equal fixedly connected with connecting pipe in one side that the connecting axle was kept away from each other, one side fixedly connected with and the air-blower of safety cover outer wall fixed mounting that the connecting axle stretches out the safety cover bottom, the gear.
As a further description of the above technical solution: the safety cover is characterized in that a mounting hole is formed in the middle of the top of the safety cover, the exhaust fan is fixedly mounted on the inner wall of the mounting hole, multiple groups of radiating holes distributed at equal intervals are formed in the two sides of the safety cover, and the connecting pipe is located in the middle of one group of radiating holes.
As a further description of the above technical solution: the welding of safety cover bottom has the guide rail with fly leaf sliding connection, the welding of one side that the fly leaf is close to the gear has the first rack with gear engagement.
As a further description of the above technical solution: one side that the gear was kept away from to the fly leaf is equipped with sector gear, one side welding that the fly leaf is close to sector gear has the second rack with sector gear meshing, the fixed axle of being connected with the safety cover rotation is cup jointed to the sector gear inner circle, one side welding that sector gear kept away from the fly leaf has the connecting rod.
As a further description of the above technical solution: the connecting rod is internally provided with a sliding groove, the inner wall of the sliding groove is connected with a fixed pin in a sliding mode, one end, extending out of the sliding groove, of the fixed pin is welded with a disc, one side, close to the disc, of the protective cover is fixedly provided with a motor, and the outer wall of the motor output shaft is fixedly sleeved with the inner ring of the disc.
As a further description of the above technical solution: the preceding facade of safety cover articulates there is the cover door, the shape of going out the tuber pipe is loudspeaker form, and goes out tuber pipe and connecting axle inside to be linked together.
The utility model discloses following beneficial effect has:
1. the utility model discloses in the connecting axle is insufflated with the outside air through the connecting pipe to well air-blower, later in going out the tuber pipe and getting into the safety cover, make each position in the safety cover of air even flow through, the heat that electric leakage circuit breaker body produced in the safety cover is fully taken away, the louvre of safety cover both sides dispels the heat simultaneously, the radiating effect in the safety cover has been improved, avoid electric leakage circuit breaker body to lead to damaging because of the unable cooling of high temperature, the air of air exhauster in with the safety cover is through the mounting hole discharge, the circulation speed of air in the safety cover has been improved.
2. The utility model discloses well motor drives the disc and rotates and then drives the fixed pin and rotate, the fixed pin rotates and makes the connecting rod swing and then make sector gear periodic positive and negative rotation, sector gear drives the fly leaf through the second rack and is reciprocating motion, and then the fly leaf drives two sets of gears through first rack and is reciprocating motion, make two sets of connecting axles become periodic certain angle of rotation, make the play tuber pipe blow the air to each position in the safety cover, the flow range of air has been improved, do benefit to the radiating effect who improves in the safety cover, realize the protection to the earth leakage circuit breaker body.
Drawings
Fig. 1 is a schematic structural view of a protective cover of a residual current circuit breaker according to the present invention;
fig. 2 is a partial bottom view of a protective cover of a residual current circuit breaker according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a in fig. 2 of the present invention.
Illustration of the drawings:
1-base, 2-protective cover, 3-residual current circuit breaker body, 4-mounting hole, 5-exhaust fan, 6-connecting shaft, 7-air outlet pipe, 8-heat dissipation hole, 9-air blower, 10-connecting pipe, 11-cover door, 12-movable plate, 13-guide rail, 14-gear, 15-sector gear, 16-fixed shaft, 17-connecting rod, 18-fixed pin, 19-disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model provides a protective cover of a leakage circuit breaker, which comprises a base 1, a protective cover 2 is fixedly arranged on the front vertical surface of the base 1, an exhaust fan 5 is arranged on the top of the protective cover 2, a leakage circuit breaker body 3 fixedly arranged with the base 1 is arranged in the protective cover 2, connecting shafts 6 are symmetrically arranged on two sides of the leakage circuit breaker body 3, the connecting shafts 6 are rotatably connected with the inner wall of the protective cover 2, a plurality of groups of air outlet pipes 7 which are equidistantly arranged are arranged on one sides of the two groups of connecting shafts 6 which are close to each other, a connecting pipe 10 is fixedly connected with one side of the two groups of connecting shafts 6 which are far away from each other, an air blower 9 fixedly arranged with the outer wall of the protective cover 2 is fixedly connected with one side of the connecting pipe 10 which extends out of the, the circulation of air in the protective cover 2 is realized, and the heat dissipation effect in the protective cover 2 is improved;
referring to fig. 1, in the application, a mounting hole 4 is formed in the middle of the top of a protection cover 2, an exhaust fan 5 is fixedly mounted on the inner wall of the mounting hole 4, a plurality of groups of radiating holes 8 are formed in both sides of the protection cover 2 and are distributed equidistantly, a connecting pipe 10 is located in the middle group of radiating holes 8, and the radiating holes 8 are convenient for radiating;
referring to fig. 1 and 2, in the present application, a guide rail 13 slidably connected to a movable plate 12 is welded to the bottom of a protective cover 2, and a first rack engaged with a gear 14 is welded to one side of the movable plate 12 close to the gear 14, so that the movable plate 12 can move conveniently;
referring to fig. 2 and 3, in the application, a sector gear 15 is arranged on one side of a movable plate 12 away from a gear 14, a second rack meshed with the sector gear 15 is welded on one side of the movable plate 12 close to the sector gear 15, a fixed shaft 16 rotatably connected with a protective cover 2 is fixedly sleeved on an inner ring of the sector gear 15, a connecting rod 17 is welded on one side of the sector gear 15 away from the movable plate 12, a sliding groove is formed in the connecting rod 17, a fixed pin 18 is slidably connected to the inner wall of the sliding groove, a disc 19 is welded on one end of the fixed pin 18 extending out of the sliding groove, a motor is fixedly mounted on one side of the protective cover 2 close to the disc 19, the outer wall of an output shaft of the motor is fixedly sleeved with the;
referring to fig. 1, in this application, the front facade of safety cover 2 articulates there is cover door 11, goes out the shape of tuber pipe 7 and is described for loudspeaker, and goes out tuber pipe 7 and connecting axle 6 inside and be linked together, goes out tuber pipe 7 and does loudspeaker form design and do benefit to the air current scope that tuber pipe 7 blew out wider.
The working principle is as follows:
in the application, when the air-cooling protective cover is used, the exhaust fan 5, the air blower 9 and the motor are started, external air is blown into the connecting shaft 6 through the connecting pipe 10 by the air blower 9 and then enters the protective cover 2 through the air outlet pipe 7, so that the air uniformly flows through each position in the protective cover 2, heat generated by the residual current circuit breaker body 3 in the protective cover 2 is sufficiently taken away, meanwhile, heat dissipation holes 8 on two sides of the protective cover 2 dissipate heat, the heat dissipation effect in the protective cover 2 is improved, the phenomenon that the residual current circuit breaker body 3 cannot be cooled due to overhigh temperature to cause damage is avoided, the air in the protective cover 2 is discharged through the mounting holes 4 by the exhaust fan 5, and the circulation speed;
in this application, continue above-mentioned operation, the motor drives disc 19 and rotates and then drives fixed pin 18 and rotate, fixed pin 18 rotates and makes connecting rod 17 swing and then make sector gear 15 periodic positive and negative commentaries on classics, sector gear 15 drives fly leaf 12 through the second rack and is reciprocating motion, and then fly leaf 12 drives two sets of gears 14 through first rack and is reciprocating motion, make two sets of connecting axles 6 become periodic rotation certain angle, make air-out pipe 7 blow the air to each position in safety cover 2, the flow range of air has been improved, do benefit to the radiating effect that improves in the safety cover 2, realize the protection to electric leakage circuit breaker body 3.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a residual current circuit breaker's safety cover, includes base (1), its characterized in that: the front vertical face of the base (1) is fixedly provided with a protective cover (2), the top of the protective cover (2) is provided with an exhaust fan (5), a leakage circuit breaker body (3) fixedly installed with the base (1) is arranged in the protective cover (2), two sides of the leakage circuit breaker body (3) are provided with connecting shafts (6) which are symmetrically distributed, the connecting shafts (6) are rotatably connected with the inner wall of the protective cover (2), one sides of the two groups of connecting shafts (6) which are close to each other are respectively provided with a plurality of groups of air outlet pipes (7) which are equidistantly distributed, one sides of the two groups of connecting shafts (6) which are far away from each other are respectively fixedly connected with a connecting pipe (10), one side of the connecting pipe (10) which extends out of the protective cover (2) is fixedly connected with an air blower (9) fixedly installed with the outer wall of, and a movable plate (12) which is in sliding connection with the bottom of the protective cover (2) is arranged on one side of the gear (14).
2. A protective cover for a residual current circuit breaker according to claim 1, wherein: mounting hole (4) have been seted up to safety cover (2) top intermediate position, air exhauster (5) and mounting hole (4) inner wall fixed mounting, louvre (8) that the multiunit equidistance distributes are all seted up to safety cover (2) both sides, connecting pipe (10) are located a set of louvre (8) in the middle of.
3. A protective cover for a residual current circuit breaker according to claim 1, wherein: the bottom of the protective cover (2) is welded with a guide rail (13) which is connected with a movable plate (12) in a sliding mode, and one side, close to the gear (14), of the movable plate (12) is welded with a first rack which is meshed with the gear (14).
4. A protective cover for a residual current circuit breaker according to claim 1, wherein: one side that gear (14) were kept away from in fly leaf (12) is equipped with sector gear (15), one side welding that fly leaf (12) is close to sector gear (15) has the second rack with sector gear (15) meshing, fixed the cup jointing has fixed axle (16) of being connected with safety cover (2) rotation in sector gear (15) inner circle, one side welding that fly leaf (12) were kept away from in sector gear (15) has connecting rod (17).
5. A protective cover for a residual current circuit breaker according to claim 4, wherein: the connecting rod (17) is provided with a sliding groove, the sliding groove is connected with a fixed pin (18) in a sliding mode, one end of the fixed pin (18) extending out of the sliding groove is welded with a disc (19), one side of the protective cover (2) close to the disc (19) is fixedly provided with a motor, and the outer wall of the motor output shaft is fixedly sleeved with the inner ring of the disc (19).
6. A protective cover for a residual current circuit breaker according to claim 1, wherein: the front vertical face of the protective cover (2) is hinged with a cover door (11), the air outlet pipe (7) is in a horn shape, and the air outlet pipe (7) is communicated with the inside of the connecting shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021199498.6U CN212485232U (en) | 2020-06-25 | 2020-06-25 | Protective cover of residual current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021199498.6U CN212485232U (en) | 2020-06-25 | 2020-06-25 | Protective cover of residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485232U true CN212485232U (en) | 2021-02-05 |
Family
ID=74412757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021199498.6U Expired - Fee Related CN212485232U (en) | 2020-06-25 | 2020-06-25 | Protective cover of residual current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992572A (en) * | 2021-02-07 | 2021-06-18 | 兰州巨力电力科技有限公司 | Intelligent molded case circuit breaker |
| CN114724883A (en) * | 2022-04-24 | 2022-07-08 | 蒋丽娜 | Hybrid high-voltage direct-current circuit breaker and using method thereof |
-
2020
- 2020-06-25 CN CN202021199498.6U patent/CN212485232U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992572A (en) * | 2021-02-07 | 2021-06-18 | 兰州巨力电力科技有限公司 | Intelligent molded case circuit breaker |
| CN114724883A (en) * | 2022-04-24 | 2022-07-08 | 蒋丽娜 | Hybrid high-voltage direct-current circuit breaker and using method thereof |
| CN114724883B (en) * | 2022-04-24 | 2024-05-03 | 安徽融兆智能有限公司 | Hybrid high-voltage direct-current circuit breaker and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210907 Address after: 150000 No. 804, building 13, Hadong enterprise headquarters base, No. 1055, Changjiang Road, Daowai District, Harbin, Heilongjiang Patentee after: Heilongjiang Xianhui Electric Technology Co.,Ltd. Address before: 057150 No.24, District 4, beishikou village, Linmingguan Town, Yongnian County, Handan City, Hebei Province Patentee before: Li Xin |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |