CN110416879B - Timely-shielding distribution board - Google Patents
Timely-shielding distribution board Download PDFInfo
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- CN110416879B CN110416879B CN201910648705.7A CN201910648705A CN110416879B CN 110416879 B CN110416879 B CN 110416879B CN 201910648705 A CN201910648705 A CN 201910648705A CN 110416879 B CN110416879 B CN 110416879B
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- pair
- power supply
- load
- exposure hole
- contact terminal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B2001/0155—Removable shutters for non-used openings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a timely shielded switchboard.A rectangular exposure hole which penetrates through the left side and the right side is formed in the center of the left side wall of a working chamber; a power supply side circuit breaking part and a load side circuit breaking part which are distributed up and down are arranged on the left side of the working chamber; a pair of rectangular shielding plates which are symmetrically arranged front and back are arranged in the front-back moving groove in a front-back moving way; a plurality of pressure spring placing grooves which are distributed up and down are formed on the far side walls of the pair of front and back moving grooves; one ends of the compression springs at the front side and the rear side close to each other are respectively fixed on the end surfaces far away from the pair of shielding plates; one ends of the middle parts of the right end surfaces of the pair of shielding plates, which are far away from each other, are respectively hinged with a driving connecting rod; the other ends of the pair of driving connecting rods are hinged together; the movable mechanism is arranged in the working chamber in a left-right moving mode, and a power supply side contact terminal and a load side contact terminal which are distributed vertically are arranged on the left end face of the movable mechanism. The invention has simple structure and low cost, and when the movable mechanism is drawn out, the pair of shielding plates close to shield the exposure hole, thereby increasing the safety.
Description
Technical Field
The invention relates to the field of distribution boards, in particular to a timely-shielding distribution board.
Background
In a switchboard for high voltage receiving and distribution systems, the mobile mechanism provided with switches (such as circuit breakers) is formed as a unit, using a storage mode in which one unit or a plurality of units are stacked and stored in the switchboard or in which they are stored. In such a distribution board, by moving the movable mechanism between the operating position and the breaking position in the depth direction of the distribution board, the connections between the power source-side breaking portion, the load-side breaking portion, and the movable mechanism are opened or closed.
In a conventional distribution board, a power source side breaking portion and a load side breaking portion are shielded by different closers, and the distribution board requires a space for moving the closers. Therefore, it is necessary to increase the gap between the power source side disconnecting portion and the load side disconnecting portion. And, a space for arranging a mechanism for driving the shutter is also required. For this reason, there is a problem that the switchboard becomes large and high in cost due to an increase in adjustment work and an increase in the number of parts.
Disclosure of Invention
The invention aims to provide a timely shielding switchboard aiming at the technical problems of complex structure and high cost in the prior art.
The technical scheme for solving the technical problems is as follows: a timely shielded switchboard comprises a working chamber with an opening at the right end and a movable mechanism; a rectangular exposure hole which penetrates through the left side and the right side is formed in the center of the left side wall of the working chamber; a power supply side circuit breaking part and a load side circuit breaking part which are distributed up and down are arranged on the left side of the working chamber; the power supply side circuit breaking part and the load side circuit breaking part are positioned right left side of the exposure hole; the right ends of the front side wall and the rear side wall of the exposure hole are respectively formed with a front-back moving groove in a rectangular groove shape, and the right ends of the front-back moving groove are not sealed; a pair of rectangular shielding plates which are symmetrically arranged front and back are arranged in the front-back moving groove in a front-back moving way; a plurality of pressure spring placing grooves which are distributed up and down are formed on the far side walls of the pair of front and back moving grooves; a pressure spring is fixed in the pressure spring placing groove; one ends of the compression springs at the front side and the rear side close to each other are respectively fixed on the end surfaces far away from the pair of shielding plates; one ends of the middle parts of the right end surfaces of the pair of shielding plates, which are far away from each other, are respectively hinged with a driving connecting rod; the other ends of the pair of driving connecting rods are hinged together; the movable mechanism is arranged in the working chamber in a left-right moving mode, and a power supply side contact terminal and a load side contact terminal which are distributed up and down are arranged on the left end face of the movable mechanism; the power supply side contact terminal is positioned right to the power supply side breaking part and matched with the power supply side breaking part; the load side contact terminal is located right to the load side disconnection portion and the two are mated; when the power supply is in a working state, the pair of shielding plates are farthest away from each other, the power supply side contact terminal penetrates through the exposure hole to be connected with the load side circuit breaking part, and the load side contact terminal penetrates through the exposure hole to be connected with the power supply side circuit breaking part; when the pair of shielding plates are closest to each other, the pair of shielding plates shields the exposure hole.
Preferably, the power source side terminal support base and the load side terminal support base are formed on the left end face of the movable mechanism and distributed up and down; the power supply side contact terminal and the load side contact terminal are respectively arranged on the power supply side terminal supporting base and the load side terminal supporting base; a rectangular groove-shaped avoidance groove which penetrates through the front and the back is formed at the position, between the power supply side terminal supporting seat and the load side terminal supporting seat, of the left end surface of the movable mechanism; when the power supply is in a working state, the pair of driving connecting rods are arranged in the front-back direction and are positioned in the avoidance grooves, and the power supply side terminal supporting seat and the load side terminal supporting seat are inserted into the exposed holes.
Preferably, in the above aspect, the power source side terminal holder and the load side terminal holder block the upper and lower portions of the exposure hole in the operating state.
Preferably, the upper and lower side walls of the front and rear moving groove are flush with the upper and lower side walls of the exposure hole respectively; front and rear guide grooves are respectively formed on the upper and lower side walls of the exposure hole; the front end and the rear end of the front guide groove and the rear guide groove respectively extend to the far side walls of the pair of front and rear moving grooves; the upper and lower side walls of the shielding plate are formed with front and rear guide blocks matched with the front and rear guide grooves.
Preferably, the lower parts of the front and rear side walls of the working chamber are respectively formed with a left sliding groove and a right sliding groove; the front end surface and the rear end surface of the movable mechanism are respectively provided with a left sliding block and a right sliding block which are matched with the left sliding groove and the right sliding groove.
Preferably, a pulley is attached to a lower end surface of the traveling mechanism.
Preferably, in the above aspect, a front-rear width of the connection groove of the power source side disconnecting portion is larger than a front-rear width of the power source side contact terminal; the front-to-rear width of the connection groove of the load-side breaking portion is larger than the front-to-rear width of the load-side contact terminal.
The invention has the beneficial effects that: the structure is simple, the cost is low, when the movable mechanism is pulled out, the pair of shielding plates are close to shield the exposure hole, and the safety is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a mobile mechanism 20 of the present invention shown in its retracted configuration;
FIG. 2 is a schematic structural view of the cross section A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of a cross section B-B of FIG. 1 according to the present invention;
fig. 4 is a schematic structural view of a cross section in normal operation of the present invention.
In the figure, 10, the working chamber; 100. exposing a hole; 101. a front and rear guide groove; 102. a left and a right sliding grooves; 103. a pressure spring placing groove; 104. moving the slot forward and backward; 12. a power source side disconnection unit; 13. a load-side breaker section; 14. a shielding plate; 141. a front guide block and a rear guide block; 142. a drive link; 15. a pressure spring; 20. a mobile mechanism; 200. an avoidance groove; 21. a power supply side terminal support base; 211. a power supply side contact terminal; 22. a load side terminal support base; 221. a load side contact terminal; 23. left and right sliding blocks.
Detailed Description
As shown in fig. 1 to 4, the switchboard which is covered in due time comprises a working chamber 10 with an opening at the right end and a movable mechanism 20; a rectangular exposure hole 100 penetrating through the left and right is formed in the center of the left side wall of the working chamber 10; a power source side breaking unit 12 and a load side breaking unit 13 which are vertically distributed are mounted on the left side of the working chamber 10; the power source side breaking unit 12 and the load side breaking unit 13 are located right to the left of the exposure hole 100; a front and rear side wall right end of the exposure hole 100 is respectively formed with a front and rear moving groove 104 in a rectangular groove shape, and the right end of the front and rear moving groove 104 is not sealed; a pair of rectangular shielding plates 14 which are symmetrically arranged front and back are arranged in the front-back moving groove 104 in a front-back moving manner; a plurality of compression spring placing grooves 103 which are distributed up and down are formed on the far side walls of the pair of front and back moving grooves 104; a pressure spring 15 is fixed in the pressure spring arrangement groove 103; one ends of the front and rear compression springs 15 close to each other are respectively fixed on the end surfaces far away from the pair of shielding plates 14; the ends of the middle parts of the right end surfaces of the pair of shielding plates 14, which are far away from each other, are respectively hinged with a driving connecting rod 142; the other ends of the pair of driving links 142 are hinged together; the movable mechanism 20 is arranged in the working chamber 10 in a left-right movement mode, and a power supply side contact terminal 211 and a load side contact terminal 221 which are distributed vertically are arranged on the left end face; the power source side contact terminal 211 is located right to the power source side breaking portion 12 and the two are mated; the load-side contact terminal 221 is located right to the load-side breaking portion 13 and the two are mated; when in an operating state, the pair of shielding plates 14 are farthest apart, the power source side contact terminal 211 passes through the exposure hole 100 and is connected to the power source side disconnecting portion 12, and the load side contact terminal 221 passes through the exposure hole 100 and is connected to the load side disconnecting portion 13; when the pair of shielding plates 14 are closest to each other, the pair of shielding plates 14 shield the exposure hole 100.
As shown in fig. 1, 3 and 4, a power source side terminal support 21 and a load side terminal support 22 are formed on the left end surface of the movable mechanism 20; the power source side contact terminal 211 and the load side contact terminal 221 are mounted on the power source side terminal support base 21 and the load side terminal support base 22, respectively; a rectangular groove-shaped escape groove 200 penetrating in the front-rear direction is formed in the position of the left end surface of the movable mechanism 20 between the power source side terminal support 21 and the load side terminal support 22; in the operating state, the pair of driving links 142 are disposed in the front-rear direction and positioned in the escape grooves 200, and the power source side terminal support 21 and the load side terminal support 22 are inserted into the exposure hole 100.
As shown in fig. 4, in the operating state, the power source side terminal holder 21 and the load side terminal holder 22 block the upper and lower portions of the exposure hole 100.
As shown in fig. 2, upper and lower side walls of the forward-backward moving groove 104 are flush with upper and lower side walls of the exposure hole 100, respectively; front and rear guide grooves 101 are respectively formed on the upper and lower side walls of the exposure hole 100; the front and rear ends of the front and rear guide grooves 101 extend to the far side walls of the pair of front and rear moving grooves 104, respectively; front and rear guide blocks 141 are formed on upper and lower side walls of the shielding plate 14 to be engaged with the front and rear guide grooves 101.
As shown in fig. 1 and 3, left and right sliding grooves 102 are formed at the lower parts of the front and rear side walls of the working chamber 10; left and right slide blocks 23 are formed on front and rear end surfaces of the movable mechanism 20 to be engaged with the left and right slide grooves 102, respectively.
As shown in fig. 1 and 4, a pulley is attached to a lower end surface of the traveling mechanism 20.
As shown in fig. 3, the front-rear width of the connection groove of the power supply side breaking portion 12 is larger than the front-rear width of the power supply side contact terminal 211; the front-rear width of the connection groove of the load-side breaking portion 13 is larger than the front-rear width of the load-side contact terminal 221.
The working principle of the timely shielded switchboard is as follows:
as shown in fig. 4, the movable mechanism 20 is located in the working chamber 10, the power source side terminal holder 21 and the load side terminal holder 22 are inserted into and close the upper and lower portions of the exposure hole 100, the power source side contact terminal 211 is connected to the power source side disconnecting portion 12, the load side contact terminal 221 is connected to the load side disconnecting portion 13, the pair of shielding plates 14 are farthest from each other and abut against the front and rear end faces of the movable mechanism 20,
when in maintenance, the movable mechanism 20 is pulled out, then the pair of shielding plates 14 approach each other under the action of the pressure spring 15, and after the movable mechanism 20 is pulled out by a certain distance, the pair of shielding plates 14 mutually abut against each other to shield the exposure hole 100; the safety is increased;
the distribution board has simple structure and low cost.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (6)
1. A timely shielded switchboard comprises a working chamber (10) with an opening at the right end and a movable mechanism (20); the method is characterized in that: a rectangular exposure hole (100) which penetrates through the left side and the right side is formed in the center of the left side wall of the working chamber (10); a power supply side breaking part (12) and a load side breaking part (13) which are distributed up and down are arranged on the left side of the working chamber (10); the power source side breaking part (12) and the load side breaking part (13) are positioned right to the left of the exposure hole (100); a front-back moving groove (104) in a rectangular groove shape is formed at the right end of the front side wall and the back side wall of the exposure hole (100) respectively, and the right end of the front-back moving groove (104) is not sealed; a pair of rectangular shielding plates (14) which are symmetrically arranged front and back are arranged in the front-back moving groove (104) in a front-back moving way; a plurality of compression spring placing grooves (103) which are distributed up and down are formed on the far side walls of the pair of front and back moving grooves (104); a pressure spring (15) is fixed in the pressure spring arrangement groove (103); one ends of the compression springs (15) at the front side and the rear side close to each other are respectively fixed on the end surfaces far away from the pair of shielding plates (14); one end of the middle part of the right end surface of the pair of shielding plates (14) far away is respectively hinged with a driving connecting rod (142); the other ends of the pair of driving connecting rods (142) are hinged together; the movable mechanism (20) is arranged in the working chamber (10) in a left-right moving mode, and a power supply side contact terminal (211) and a load side contact terminal (221) which are distributed vertically are arranged on the left end face of the movable mechanism; the power supply side contact terminal (211) is positioned right to the power supply side breaking part (12) and matched with the power supply side breaking part; the load side contact terminal (221) is located right to the load side breaker section (13) and the two are mated; when the circuit breaker is in an operating state, the pair of shielding plates (14) are farthest away, the power supply side contact terminal (211) passes through the exposure hole (100) to be connected with the power supply side breaking part (12), and the load side contact terminal (221) passes through the exposure hole (100) to be connected with the load side breaking part (13); when the pair of shielding plates (14) is closest to each other, the pair of shielding plates (14) shields the exposure hole (100);
a power supply side terminal supporting seat (21) and a load side terminal supporting seat (22) which are distributed up and down are formed on the left end surface of the movable mechanism (20); a power source side contact terminal (211) and a load side contact terminal (221) are respectively mounted on the power source side terminal support base (21) and the load side terminal support base (22); a rectangular groove-shaped avoidance groove (200) which penetrates through the front and the back is formed at the position, between the power supply side terminal supporting seat (21) and the load side terminal supporting seat (22), of the left end surface of the movable mechanism (20); when the device is in an operating state, the pair of driving links (142) are arranged in the front-back direction and are positioned in the avoiding grooves (200), and the power source side terminal support base (21) and the load side terminal support base (22) are inserted into the exposure hole (100).
2. The panelized panel of claim 1, wherein: when the device is in an operating state, the power source side terminal support base (21) and the load side terminal support base (22) block the upper part and the lower part of the exposure hole (100).
3. The panelized panel of claim 1, wherein: the upper and lower side walls of the front and rear moving groove (104) are respectively flush with the upper and lower side walls of the exposure hole (100); front and rear guide grooves (101) are respectively formed on the upper and lower side walls of the exposure hole (100); the front end and the rear end of the front-rear guide groove (101) respectively extend to the far side walls of the pair of front-rear moving grooves (104); front and rear guide blocks (141) which are engaged with the front and rear guide grooves (101) are formed on the upper and lower side walls of the shielding plate (14).
4. The panelized panel of claim 1, wherein: left and right sliding grooves (102) are respectively formed at the lower parts of the front and rear side walls of the working chamber (10); left and right sliding blocks (23) matched with the left and right sliding grooves (102) are respectively formed on the front and rear end surfaces of the movable mechanism (20).
5. The panelboard of claim 1 or 4, wherein: the lower end surface of the movable mechanism (20) is provided with a pulley.
6. The panelized panel of claim 1, wherein: the front-back width of the connecting groove of the power supply side breaking part (12) is larger than the front-back width of the power supply side contact terminal (211); the front-rear width of the connection groove of the load-side breaking section (13) is greater than the front-rear width of the load-side contact terminal (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648705.7A CN110416879B (en) | 2019-07-18 | 2019-07-18 | Timely-shielding distribution board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648705.7A CN110416879B (en) | 2019-07-18 | 2019-07-18 | Timely-shielding distribution board |
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| Publication Number | Publication Date |
|---|---|
| CN110416879A CN110416879A (en) | 2019-11-05 |
| CN110416879B true CN110416879B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910648705.7A Active CN110416879B (en) | 2019-07-18 | 2019-07-18 | Timely-shielding distribution board |
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| CN (1) | CN110416879B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4870649B2 (en) * | 2007-11-05 | 2012-02-08 | 富士電機株式会社 | switchboard |
| CN207947541U (en) * | 2018-02-14 | 2018-10-09 | 青岛智达通电气有限公司 | A kind of valve can self-locking central switch cabinet |
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- 2019-07-18 CN CN201910648705.7A patent/CN110416879B/en active Active
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| CN110416879A (en) | 2019-11-05 |
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Effective date of registration: 20201030 Address after: 252000 No. 5 Lushan South Road, Liaocheng High-tech Industrial Development Zone, Shandong Province Applicant after: Shandong Yide Electrical Equipment Engineering Co.,Ltd. Address before: 523000 No.3, Ziyi lane, Hengxiang, Guancheng District, Dongguan City, Guangdong Province Applicant before: Liao Yanzhao |
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