CN114023605A - N-pole structure and compact electric energy meter external circuit breaker - Google Patents
N-pole structure and compact electric energy meter external circuit breaker Download PDFInfo
- Publication number
- CN114023605A CN114023605A CN202111296819.3A CN202111296819A CN114023605A CN 114023605 A CN114023605 A CN 114023605A CN 202111296819 A CN202111296819 A CN 202111296819A CN 114023605 A CN114023605 A CN 114023605A
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- Prior art keywords
- pole
- space
- middle shell
- contact
- cover plate
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 7
- 238000004880 explosion Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 7
- 238000005192 partition Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
-
- 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
Landscapes
- Breakers (AREA)
Abstract
The invention discloses an external circuit breaker of an N-pole structure and a compact electric energy meter, which comprises a cover plate matched with a middle shell to form an N-pole chamber, wherein the edges of the cover plate, which are not in contact with the side wall of the middle shell, are provided with side walls extending towards the middle shell, the cover plate is attached to the middle shell through the side walls to form a closed N-pole chamber, and an N-pole moving contact, an N-pole static contact, a contact operating mechanism and an arc extinguish chamber are arranged in the N-pole chamber. Utilize the limit wall that the apron border set up for the N utmost point cavity that apron and middle casing constitute, its piece sets up near middle casing, and then makes the creepage distance between the N utmost point break-make structure that is in inside and the electricity behaviour mechanism longer, makes whole circuit breaker more reliable.
Description
Technical Field
The invention particularly relates to an external circuit breaker of an N-pole structure and a compact electric energy meter.
Background
Generally need set up the electricity and operate the mechanism in the external circuit breaker of electric energy meter, and then realize remote control, and current electricity is operated the mechanism and will occupy a modulus's volume, leads to the bulky of circuit breaker, especially takes the circuit breaker of N utmost point, and N utmost point and electricity are operated the mechanism and all will occupy a modulus's space, and the space waste is serious.
In order to save space, manufacturers have proposed that an N pole and an electric operating mechanism are disposed in a module space, and the N pole and the electric operating mechanism are separated by a partition plate, but because the partition plate extends from a housing to form a side wall matched with the partition plate, a gap between the partition plate and the housing is close to the electric operating mechanism, resulting in insufficient creepage distance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an N-pole on-off structure and a compact external circuit breaker of an electric energy meter.
In order to achieve the purpose, the invention provides the following technical scheme:
an N pole structure comprises a cover plate which is matched with a middle shell to form an N pole cavity, wherein side walls extending towards the middle shell are arranged on the edges of the cover plate, which are not in contact with the side wall of the middle shell, the cover plate is attached to the middle shell through the side walls to form a closed N pole cavity, and an N pole moving contact, an N pole static contact and a contact operating mechanism are arranged in the N pole cavity.
The cover plate comprises a first space, a second space and a third space, wherein the first space is used for covering a wiring board extending from an N-pole outgoing line terminal to an N-pole static contact, the second space is used for covering an N-pole moving contact, the third space is used for accommodating a contact operating mechanism, the three spaces are communicated, and an edge wall is arranged at one end, not in contact with the side wall of the middle shell, of each space.
Still be equipped with the fourth space that is used for cladding N utmost point explosion chamber in the apron, the fourth space is located the below in second space, and sets up with first space intercommunication, the border in fourth space all is equipped with the limit wall with the one end of the lateral wall contact of middle casing.
The third space, the second space and the fourth space are arranged in a ladder shape.
The upper side and the lower side of the first space are provided with side walls, one ends of the two side walls are respectively connected with the side walls of the third space and the fourth space, and the other ends of the two side walls form a first inlet for the wiring board to enter.
The first inlet comprises a first covering portion, the first covering portion is higher than the surface of an adjacent cover plate, and a first baffle is arranged between the lower edge of the first covering portion and the side wall.
One side of apron is equipped with the second and covers portion, its the second covers the surface setting that portion is higher than adjacent apron, just the second is covered the portion and is equipped with the second baffle between the last border and the side wall, the second covers portion and the second baffle and the chamber wall of the inlet wire terminal installation cavity of middle casing form the second import that is used for the wiring board entering N utmost point cavity of N utmost point inlet wire terminal.
The edges of the two sides of the fourth space are provided with side walls, the lower edge of the fourth space is in contact with the side wall of the middle shell, and a reinforcing rib is arranged between the two side walls.
The middle shell is provided with a wall matched with the side wall of the fourth space, and when the cover plate covers the middle shell, the wall and the side wall of the fourth space are arranged in a staggered mode.
The compact electric energy meter external circuit breaker with the N-pole structure comprises a shell body formed by a middle shell body and side covers on two sides, wherein a first cavity used for containing an L-pole on-off structure and a second cavity used for containing an N-pole structure and an electric operation structure are formed in two sides of the middle shell body respectively, a cover plate matched with the middle shell body to form an N-pole cavity is arranged in the second cavity, side walls extending towards the middle shell body are arranged on edges of the cover plate, which are not in contact with the side wall of the middle shell body, the cover plate is attached to the middle shell body through the side walls to form a closed N-pole cavity, and an N-pole moving contact, an N-pole static contact and a contact operation mechanism are arranged in the N-pole cavity.
The invention has the beneficial effects that: utilize the limit wall that the apron border set up for the N utmost point cavity that apron and middle casing constitute, its piece sets up near middle casing, and then makes the creepage distance between the N utmost point break-make structure that is in inside and the electricity behaviour mechanism longer, makes whole circuit breaker more reliable.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention (without the electric operating mechanism).
Fig. 3 is an enlarged schematic view of a point a in fig. 2.
Fig. 4 is an enlarged schematic view of fig. 2 at B.
FIG. 5 is a schematic diagram of the structure in the N-pole chamber.
Fig. 6 is a schematic structural view of one side of the cover plate.
Fig. 7 is a schematic view of another angle of one side of the cover plate.
Fig. 8 is a schematic structural view of the other side of the cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the figure, the N-pole structure comprises a cover plate 2 which is matched with a middle shell 1 to form an N-pole chamber, wherein the edges of the cover plate, which are not contacted with the side wall of the middle shell, are provided with side walls extending towards the middle shell, the cover plate is attached with the middle shell through the side walls to form a closed N-pole chamber, the side walls of the cover plate are attached with the middle shell, a spliced seam is close to the middle shell, the length of each side wall can be used as a creepage distance, the creepage distance between the N-pole on-off structure in the chamber and an electric operating mechanism is increased, meanwhile, a moving contact, a fixed contact and an arc extinguish chamber through which strong electricity passes in the chamber are completely isolated from the electric operating mechanism, one end of the movable contact, which is contacted with the side wall of the middle shell, of the movable contact is a contact operating mechanism, and a gear transmission mechanism which is the electric operating mechanism is correspondingly arranged at the position, although the spliced seam is close to the electric operating mechanism, the spliced seam does not cause interference with the strong electricity, the layout between the N pole on-off structure inside the shell and the electric operating mechanism is more reasonable.
Meanwhile, the arc extinguish chamber can be installed or not.
The arc extinguishing chamber is arranged below the N-pole moving contact, the N-pole static contact is also arranged above the arc extinguishing chamber and is positioned at the front end of the action direction of the N-pole moving contact, the arc extinguishing chamber is arranged below the N-pole moving contact, compared with the conventional mode that the arc extinguishing chamber is arranged on one side of the static contact, the arc extinguishing chamber is better utilized by the aid of the space in the shell, and meanwhile, the arc extinguishing chamber can be better isolated from a cavity of the middle shell by the aid of the cover plate.
The cover plate comprises a first space 26 used for coating the wiring board 3 extending from an N-pole outgoing line terminal to an N-pole static contact, a second space 28 used for coating an N-pole moving contact, a third space 27 used for containing a contact operation mechanism and a fourth space 29 used for coating an N-pole arc extinguish chamber, the four spaces are communicated and arranged, one end, not in contact with the side wall of the middle shell, of each space is provided with a side wall 21, the four spaces are communicated with each other, the whole N-pole on-off structure is coated, the side wall and the side wall of the middle shell are utilized, the whole N-pole cavity is fully closed, the N-pole on-off structure in the same cavity is completely isolated from the electric operating mechanism, and the side wall of the middle shell is utilized, so that the structure of the cover plate is more reasonable.
The third space, the second space and the fourth space are arranged in a ladder shape and sequentially rise to meet different structure installation requirements, meanwhile, the change of height is reflected on the cover plate, and when the gear transmission mechanism of the electric operating mechanism is installed, the gear transmission mechanism can be directly engaged with gears by utilizing the height difference, so that the space utilization rate is improved.
The first space is communicated with the second space, the third space and the fourth space, so that the wiring board arranged in the first space can directly extend into the three spaces to be used as a static contact.
The upper side and the lower side of the first space are provided with side walls, one ends of the two side walls are respectively connected with the side walls of the third space and the fourth space, the other ends of the two side walls form a first inlet 8 for the wiring board to enter, the wiring board is arranged between the two side walls, the shape of the first space is matched with that of the wiring board, the first space is guaranteed to be completely isolated from the inlet to the N pole static contact, and meanwhile, the edge walls are attached to the middle shell and are arranged close to the middle shell, so that the edge walls are used as creepage distances.
The first inlet comprises a first covering part 22, the first covering part is higher than the surface of an adjacent cover plate, a first baffle 23 is arranged between the lower edge of the first covering part and the side wall, the first covering part which is lifted is matched with the cavity wall of the wiring terminal installation cavity to cover the wiring board at the position, the wiring board is led into a first space, and meanwhile, the first baffle is used for realizing the isolation of the inlet position, so that the isolation of the inlet position is ensured.
One side of apron is equipped with second portion of hiding 24, its second portion of hiding is higher than the surface setting of adjacent apron, just be equipped with second baffle 25 between the last border of second portion of hiding and the boundary wall, second portion of hiding and second baffle and the chamber wall of the inlet wire terminal installation cavity of middle casing form the second import that is used for the wiring board entering N utmost point cavity of N utmost point inlet wire terminal. A second inlet 9 for the wiring board to enter the N-pole cavity is formed by matching the lifted second covering part with the wall of the wire inlet terminal installation cavity, and meanwhile, the inlet is isolated by matching a second baffle.
The border of fourth space both sides all is equipped with the limit wall, just the lower border in fourth space sets up with the lateral wall contact of middle casing, and is equipped with strengthening rib 210 between the wall of both sides, and the cooperation of the explosion chamber mounting groove on the limit wall of both sides and the middle casing realizes the totally closed setting of explosion chamber, and the limit wall of both sides directly extends to the lateral wall of middle casing, and sets up the strengthening rib between two limit walls for the installation of restriction explosion chamber.
The utility model provides an adopt the external circuit breaker of compact electric energy meter of above-mentioned N utmost point break-make structure, its includes the casing that comprises the side cap of middle casing 1 and both sides, the both sides of middle casing form respectively and are used for holding the first cavity of L utmost point break-make structure and are used for holding the second cavity of N utmost point break-make structure and electrical operation structure, be equipped with in the second cavity and form the apron 2 of N utmost point cavity with middle casing cooperation, the apron is not all equipped with the limit wall that extends towards middle casing with the border of the lateral wall contact of middle casing, the apron forms confined N utmost point cavity through the laminating of limit wall and middle casing, be equipped with N utmost point moving contact, N utmost point static contact, contact operating device and explosion chamber in the N utmost point cavity.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (10)
1. An N-pole structure, characterized in that: the N-pole cavity type switch cover plate comprises a cover plate which is matched with a middle shell to form an N-pole cavity, wherein side walls extending towards the middle shell are arranged on the edges of the cover plate, which are not in contact with the side wall of the middle shell, the cover plate is attached to the middle shell through the side walls to form a closed N-pole cavity, and an N-pole moving contact, an N-pole static contact and a contact operating mechanism are arranged in the N-pole cavity.
2. The N-pole structure of claim 1, wherein: the cover plate comprises a first space, a second space and a third space, wherein the first space is used for covering a wiring board extending from an N-pole outgoing line terminal to an N-pole static contact, the second space is used for covering an N-pole moving contact, the third space is used for accommodating a contact operating mechanism, the three spaces are communicated, and an edge wall is arranged at one end, not in contact with the side wall of the middle shell, of each space.
3. The N-pole structure of claim 1 or 2, wherein: still be equipped with the fourth space that is used for cladding N utmost point explosion chamber in the apron, the fourth space is located the below in second space, and sets up with first space intercommunication, the border in fourth space all is equipped with the limit wall with the one end of the lateral wall contact of middle casing.
4. The N-pole structure of claim 3, wherein: the third space, the second space and the fourth space are arranged in a ladder shape.
5. The N-pole structure of claim 1, wherein: the upper side and the lower side of the first space are provided with side walls, one ends of the two side walls are respectively connected with the side walls of the third space and the fourth space, and the other ends of the two side walls form a first inlet for the wiring board to enter.
6. The N-pole structure of claim 5, wherein: the first inlet comprises a first covering portion, the first covering portion is higher than the surface of an adjacent cover plate, and a first baffle is arranged between the lower edge of the first covering portion and the side wall.
7. The N-pole structure of claim 1, wherein: one side of apron is equipped with the second and covers portion, its the second covers the surface setting that portion is higher than adjacent apron, just the second is covered the portion and is equipped with the second baffle between the last border and the side wall, the second covers portion and the second baffle and the chamber wall of the inlet wire terminal installation cavity of middle casing form the second import that is used for the wiring board entering N utmost point cavity of N utmost point inlet wire terminal.
8. The N-pole structure of claim 1, wherein: the edges of the two sides of the fourth space are provided with side walls, the lower edge of the fourth space is in contact with the side wall of the middle shell, and a reinforcing rib is arranged between the two side walls.
9. The N-pole structure of claim 8, wherein: the middle shell is provided with a wall matched with the side wall of the fourth space, and when the cover plate covers the middle shell, the wall and the side wall of the fourth space are arranged in a staggered mode.
10. A compact electric energy meter external circuit breaker adopting the N-pole structure of any one of claims 1 to 9, characterized in that: the novel LED lamp comprises a shell consisting of a middle shell and side covers on two sides, wherein a first cavity used for accommodating an L pole on-off structure and a second cavity used for accommodating an N pole structure and an electric operation structure are formed in two sides of the middle shell respectively, a cover plate matched with the middle shell to form an N pole cavity is arranged in the second cavity, side walls extending towards the middle shell are arranged on the edges of the cover plate, which are not in contact with the side wall of the middle shell, the cover plate is attached to the middle shell through the side walls to form a closed N pole cavity, and an N pole moving contact, an N pole static contact and a contact operation mechanism are arranged in the N pole cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296819.3A CN114023605A (en) | 2021-11-04 | 2021-11-04 | N-pole structure and compact electric energy meter external circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296819.3A CN114023605A (en) | 2021-11-04 | 2021-11-04 | N-pole structure and compact electric energy meter external circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114023605A true CN114023605A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111296819.3A Pending CN114023605A (en) | 2021-11-04 | 2021-11-04 | N-pole structure and compact electric energy meter external circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114023605A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117605Y (en) * | 2007-09-11 | 2008-09-17 | 施耐德电器工业公司 | Breaker |
| FR2950476A1 (en) * | 2009-09-18 | 2011-03-25 | Schneider Electric Ind Sas | ASSEMBLY OF MULTIPOLAR CUTTING DEVICE WITH DOUBLE ENVELOPE AND CIRCUIT BREAKER COMPRISING SAME |
| CN102610448A (en) * | 2012-03-31 | 2012-07-25 | 温州奥来电器有限公司 | Two-way connectable electromagnetic leakage circuit breaker with overcurrent protection |
| CN106328435A (en) * | 2016-11-04 | 2017-01-11 | 平高集团有限公司 | Arc-extinguishing chamber, arc-extinguishing chamber tank and high-voltage switching equipment applying this arc-extinguishing chamber |
| CN207149504U (en) * | 2017-09-09 | 2018-03-27 | 浙江凯发电气有限公司 | A kind of Minitype electrical leakage breaker N poles arc quenching system |
| CN207819743U (en) * | 2017-12-27 | 2018-09-04 | 东莞市盈聚电源有限公司 | A kind of overlength creepage distance outer casing of power supply structure |
| CN109741999A (en) * | 2019-01-28 | 2019-05-10 | 浙江思创电力科技股份有限公司 | A kind of breaker |
| CN109755079A (en) * | 2019-01-15 | 2019-05-14 | 温州市新蓝天电器有限公司 | The arc-control device of breaker |
| CN210443510U (en) * | 2019-11-12 | 2020-05-01 | 德力西电气有限公司 | Neutral pole mechanism and residual current circuit breaker |
| CN212695112U (en) * | 2020-08-28 | 2021-03-12 | 浙江正泰电器股份有限公司 | Circuit breaker |
| CN212695091U (en) * | 2020-07-22 | 2021-03-12 | 浙江正泰电器股份有限公司 | Compact reclosing circuit breaker |
| CN214428568U (en) * | 2021-03-22 | 2021-10-19 | 浙江人民电器有限公司 | Small-sized circuit breaker |
| CN114023604A (en) * | 2021-11-04 | 2022-02-08 | 浙江天正电气股份有限公司 | Compact electric energy meter external circuit breaker |
| CN216288226U (en) * | 2021-11-04 | 2022-04-12 | 浙江天正电气股份有限公司 | Compact electric energy meter external circuit breaker |
| CN216487894U (en) * | 2021-11-04 | 2022-05-10 | 浙江天正电气股份有限公司 | N-pole structure and compact electric energy meter external circuit breaker |
-
2021
- 2021-11-04 CN CN202111296819.3A patent/CN114023605A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117605Y (en) * | 2007-09-11 | 2008-09-17 | 施耐德电器工业公司 | Breaker |
| FR2950476A1 (en) * | 2009-09-18 | 2011-03-25 | Schneider Electric Ind Sas | ASSEMBLY OF MULTIPOLAR CUTTING DEVICE WITH DOUBLE ENVELOPE AND CIRCUIT BREAKER COMPRISING SAME |
| CN102610448A (en) * | 2012-03-31 | 2012-07-25 | 温州奥来电器有限公司 | Two-way connectable electromagnetic leakage circuit breaker with overcurrent protection |
| CN106328435A (en) * | 2016-11-04 | 2017-01-11 | 平高集团有限公司 | Arc-extinguishing chamber, arc-extinguishing chamber tank and high-voltage switching equipment applying this arc-extinguishing chamber |
| CN207149504U (en) * | 2017-09-09 | 2018-03-27 | 浙江凯发电气有限公司 | A kind of Minitype electrical leakage breaker N poles arc quenching system |
| CN207819743U (en) * | 2017-12-27 | 2018-09-04 | 东莞市盈聚电源有限公司 | A kind of overlength creepage distance outer casing of power supply structure |
| CN109755079A (en) * | 2019-01-15 | 2019-05-14 | 温州市新蓝天电器有限公司 | The arc-control device of breaker |
| CN109741999A (en) * | 2019-01-28 | 2019-05-10 | 浙江思创电力科技股份有限公司 | A kind of breaker |
| CN210443510U (en) * | 2019-11-12 | 2020-05-01 | 德力西电气有限公司 | Neutral pole mechanism and residual current circuit breaker |
| CN212695091U (en) * | 2020-07-22 | 2021-03-12 | 浙江正泰电器股份有限公司 | Compact reclosing circuit breaker |
| CN212695112U (en) * | 2020-08-28 | 2021-03-12 | 浙江正泰电器股份有限公司 | Circuit breaker |
| CN214428568U (en) * | 2021-03-22 | 2021-10-19 | 浙江人民电器有限公司 | Small-sized circuit breaker |
| CN114023604A (en) * | 2021-11-04 | 2022-02-08 | 浙江天正电气股份有限公司 | Compact electric energy meter external circuit breaker |
| CN216288226U (en) * | 2021-11-04 | 2022-04-12 | 浙江天正电气股份有限公司 | Compact electric energy meter external circuit breaker |
| CN216487894U (en) * | 2021-11-04 | 2022-05-10 | 浙江天正电气股份有限公司 | N-pole structure and compact electric energy meter external circuit breaker |
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