CN115483068B - Universal breaker safety door - Google Patents
Universal breaker safety door Download PDFInfo
- Publication number
- CN115483068B CN115483068B CN202211128377.6A CN202211128377A CN115483068B CN 115483068 B CN115483068 B CN 115483068B CN 202211128377 A CN202211128377 A CN 202211128377A CN 115483068 B CN115483068 B CN 115483068B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- valve
- connecting rod
- lower valve
- limiting
- Prior art date
- 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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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
- H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities
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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
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/052—Mounting on rails
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
Abstract
The utility model provides an omnipotent circuit breaker emergency exit, install in the cabinet body inside that is equipped with the circuit breaker, including last valve and lower valve, go up valve and lower valve and drive through actuating mechanism and realize opening and close, still include the circuit breaker body, still including being used for spacing and installing two locating levers in the cabinet body inside to last valve and lower valve, go up valve and lower valve equal slidable mounting at the locating lever, actuating mechanism is including installing circuit breaker slide rail and the drive slide rail at the cabinet body inside, and circuit breaker body slidable mounting is on the circuit breaker slide rail, slidable mounting has the slider on the drive slide rail, rotate on the slider and install first connecting rod and second connecting rod, and the free end of first connecting rod and second connecting rod rotates between upper valve and the lower valve respectively and is connected, still include the electro-magnet, can drive the slider and slide to the direction of keeping away from last valve and lower valve when the electro-magnet circular telegram. The time of the semi-opening and closing states of the valve in the process of swinging out and entering the circuit breaker is reduced, the protection performance of the valve is improved, and the safety of personnel during maintenance is improved.
Description
Technical Field
The invention relates to the technical field of circuit breaker equipment, in particular to a safety door of a universal circuit breaker.
Background
The circuit breaker is divided into two parts of a plug-in circuit breaker (also called a body) and a drawer seat, and the two parts can be separated and connected into a whole through plug-in fit. When the body part is separated from the drawer seat part, the electrified contact part on the drawer seat needs to be isolated so as to ensure the safety of personnel. In particular, by providing a safety barrier structure on a side structure where the drawer seat portion is connected to the body portion, the contact portion can be automatically isolated when the body portion is separated from the drawer seat. When the circuit breaker needs maintenance or other operations, the circuit breaker body needs to be swung out of the drawer seat, the circuit breaker body 1 is separated from the main circuit at the moment, and the upper valve and the lower valve are simultaneously driven to be opened through a connecting rod, a rocker and other mechanisms.
In the prior art, as in a valve mechanism of a vacuum breaker chamber of a switch cabinet in China patent document CN205565486U, the valve mechanism drives an upper valve and a lower valve to be opened respectively through two sets of rotating arms and connecting rods connected with the rotating arms, a torsion spring is arranged at a rotating shaft of the rotating arms, when the vacuum breaker moves out of the vacuum breaker chamber, the torsion spring drives the rotating arms to reset and rotate, the upper valve and the lower valve are driven to reset and close, and an operator is prevented from moving out of the vacuum breaker, and a normally-charged main circuit static contact is prevented from being touched by mistake when the switch cabinet is overhauled.
In the prior art or the patent document, the upper valve and the lower valve are driven to move by a plurality of connecting rods and rocker arms, so that the upper valve and the lower valve can completely shield the contact after the circuit breaker is moved to a designated position close to the box door, the contact is exposed for a long time due to the fact that the upper valve and the lower valve are not closed in time in the process of being swung out, constructors are easy to hurt in the process, and similarly, the condition that the contact is exposed for a long time when the circuit breaker is reset is also caused.
Disclosure of Invention
Aiming at the situation, the invention aims to overcome the defects of the prior art, and the invention aims to provide the safety door of the universal circuit breaker, which can reduce the time of the semi-opening and closing states of the valve in the process of swinging out and in the circuit breaker and improve the protection performance of the valve.
The utility model provides a universal breaker emergency exit installs in the cabinet body inside that is equipped with the circuit breaker, including last valve and lower valve, go up valve and lower valve and drive through actuating mechanism and realize opening and close, still include the circuit breaker body, still including being used for spacing and installing two locating levers in the cabinet body to last valve and lower valve, and two axis parallel locating levers, go up valve and lower valve all slidable mounting at the locating lever, actuating mechanism is including installing at the internal circuit breaker slide rail of cabinet and drive slide rail, and circuit breaker body slidable mounting is on the circuit breaker slide rail, slidable mounting has the slider on the drive slide rail, rotate on the slider and install first connecting rod and second connecting rod, and the free end of first connecting rod and second connecting rod rotates between upper valve and the lower valve respectively and be connected, still include the electro-magnet, can drive the slider and slide to the direction of keeping away from upper valve and lower valve when the electro-magnet is circular telegram.
The electromagnet further comprises an iron core and a reset spring, wherein the reset spring is sleeved outside the iron core, and the extending end of the iron core is connected with the sliding block.
In the invention, the first connecting rod and the second connecting rod are both in a V shape, the included angle of the V shape is minus degree, and the included angle of the first connecting rod and the second connecting rod is arranged in a deviating way.
According to the invention, the electric brush is fixed on the electromagnet, the supporting plate is arranged on one side of the breaker body close to the electric brush, the power supply and the electric brush track are arranged on the supporting plate, and the electric brush is matched with the electric brush track.
Further, the length of the brush track can be adjusted according to the use.
The invention further comprises a limiting mechanism, wherein the limiting mechanism comprises a limiting rod which is slidably arranged on the slide rail of the circuit breaker, and a limiting hole matched with the limiting rod is formed in the slide block, so that the limiting rod can be driven to be matched with and separated from the limiting hole when the circuit breaker body slides along the circuit breaker track.
The limit mechanism further comprises a driving wedge block fixed on the circuit breaker body, a driven wedge block matched with the driving wedge block is fixed on the limit rod, a top spring for driving the limit rod to move towards the limit hole is sleeved on the limit rod, and a screw is in threaded fit on the slide rail of the circuit breaker.
The invention has the beneficial effects that: after moving and static contacts of the circuit breaker break away from, through the effect of electro-magnet and two connecting rods, realize that two valves are opened and close fast, avoided when the circuit breaker is shaken out, two valves are in half-closed state for a long time, improve the barrier property of valve, improve personnel's security when the maintenance to can carry out certain adjustment to the device according to the demand when using, satisfy the use of unidimensional circuit breaker.
Drawings
Fig. 1 is a schematic view of the structure of the shaft side of the present invention in its entirety.
Fig. 2 is a schematic diagram of the front structure of the present invention when the present invention is used as a whole.
Fig. 3 is a schematic view of the structure of the rear shaft side when the present invention is used as a whole.
Fig. 4 is a schematic view of the structure of the present invention on the upward axis side.
Fig. 5 is a schematic view of the structure of the present invention on the axial side.
Fig. 6 is a partially enlarged schematic view of the limiting mechanism of the present invention.
Fig. 7 is a schematic view of a brush part of the present invention.
The circuit breaker comprises a circuit breaker body 1, a circuit breaker slide rail 2, a positioning rod 3, an upper valve 4, a lower valve 5, a first connecting rod 6, a second connecting rod 7, a driving slide rail 8, a sliding block 9, a reset spring 10, an iron core 11, an electromagnet 12, a screw 13, a limit rod 14, a power supply 15, a support plate 16, a brush 17, a driving wedge block 18, a driven wedge block 19, a top spring 20 and a brush track 21.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
The utility model provides a universal circuit breaker emergency exit is given by figures 1, 2, 3, 4, 5, 6 and 7, installs in the cabinet body inside that is equipped with the circuit breaker, including upper valve 4 and lower valve 5, upper valve 4 and lower valve 5 pass through actuating mechanism and drive and realize opening and shutting, still include circuit breaker body 1, still include be used for spacing upper valve 4 and lower valve 5 and install two locating levers 3 in the cabinet body inside, and two axis parallel locating levers 3, upper valve 4 and lower valve 5 all slidable mounting are in locating lever 3, install locating lever 3 in the inside of the cabinet body during the use, upper valve 4 and lower valve 5 are in the position department that is close to the contact, actuating mechanism includes circuit breaker slide rail 2 and the drive slide rail 8 of installing in the cabinet body inside, and the sliding mounting of circuit breaker body 1 is on circuit breaker slide rail 2, sliding mounting has slider 9 on the drive slide rail 8, slider 9 upper rotating mounting first connecting lever 6 and second connecting lever 7, and the iron core 4 and the free end of second connecting lever 6 are kept away from the position of the electromagnet 12 when the iron core 4 is kept away from to the switch-off body 11 when the switch-on the iron core 11 is kept away from to the switch-off body 12, and the electromagnet core 11 is kept away from to the switch-off body 11 when the switch-on the switch-off body is stretched out to the switch-off body 11 and the electromagnet 11 is connected to the position between the upper valve 1 and the switch-off body is kept away from the position to be 12, and install backup pad 16 on the one side that circuit breaker body 1 is close to brush 17, install power 15 and brush track 21 on the backup pad 16, cooperate between brush 17 and the brush track 21, under the effect of electro-magnet 12, after the circuit breaker drives brush track 21 and moves to breaking away from with brush 17, electro-magnet 12 is not electrified at this moment, iron core 11 moves under reset spring 10 effect, drive slider 9 to the valve direction slip, and then drive first connecting rod 6 and second connecting rod 7 slope, promote upper valve 4 and lower valve 5 and keep away from each other, realize opening of valve, after the circuit breaker drives brush track 21 and slides to contact with brush 17, at this moment electro-magnet 12 is circular telegram under power 15 effect, iron core 11 drives slider 9 to keeping away from the valve direction and slides, thereby drive upper valve 4 and lower valve 5 under first connecting rod 6 and second connecting rod 7 effect, realize the closure of valve, adopt electro-magnet 12 its corresponding speed fast, the valve is in the state of half-open or half-close for a long time in the sliding process of having avoided the circuit breaker, simultaneously accessible brush 17 position is different according to change brush body position, can be adjusted the different positions of the brush 1 and can be kept away from the brush track 21 all the time, the time can be adjusted simultaneously with the different position of the brush 21, the time is adjusted simultaneously, and the time is adjusted to the valve is cut off between the contact with the brush 21 and the contact between the circuit breaker and the contact, and the contact between the contact and the contact is guaranteed, and the contact between the contact and the valve and the contact and the brush is opened and the contact is reduced, and the contact is opened and the contact is opened.
According to other specific embodiments of the invention, according to the accompanying drawings, the driving mechanism comprises a breaker slide rail 2 and a driving slide rail 8 which are arranged in the cabinet body, the breaker body 1 is slidably arranged on the breaker slide rail 2, a sliding block 9 is slidably arranged on the driving slide rail 8, a first connecting rod 6 and a second connecting rod 7 are rotatably arranged on the sliding block 9, free ends of the first connecting rod 6 and the second connecting rod 7 are respectively rotatably connected with the upper valve 4 and the lower valve 5, the first connecting rod 6 and the second connecting rod 7 are both in a V shape, the included angle of the V shape is 150-170 degrees, the included angle of the first connecting rod 6 and the second connecting rod 7 is arranged in a deviating way, and in order to improve the smoothness of the first connecting rod 6 and the second connecting rod 7 when the upper valve 4 and the lower valve 5 are driven, the shape of the first connecting rod 6 and the second connecting rod 7 is adjusted, the obtuse angle can further improve the stress directions between the first connecting rod 6 and the second connecting rod 7 and the two valves, and the opening and closing effects of the valves.
According to other specific embodiments of the invention, the circuit breaker is characterized by further comprising a limiting mechanism, the limiting mechanism comprises a limiting rod 14 which is slidably arranged on the circuit breaker slide rail 2, a limiting hole matched with the limiting rod 14 is formed in the sliding block 9, when the circuit breaker body 1 slides along the circuit breaker track, the limiting rod 14 can be driven to be matched with the limiting hole and separated from the limiting hole, the limiting mechanism further comprises a driving wedge block 18 which is slidably arranged on the circuit breaker body 1, a driven wedge block 19 matched with the driving wedge block 18 is fixed on the limiting rod 14, a top spring 20 which drives the limiting rod 14 to move towards the limiting hole is sleeved on the limiting rod 14, a screw 13 is in threaded fit on the circuit breaker slide rail 2, in use, the circuit breaker body 1 is required to be disassembled for operation sometimes, in order to avoid the movement of the sliding block 9 after the electric brush 17 is separated from the electric brush track, the screw 13 is arranged at the same time, the screw 13 is rotated to drive the driving wedge block 18 to move and the driven wedge block 19 to be separated from the limiting rod 14, the limiting rod 14 is realized, the driving wedge block 14 is driven to enter the driving wedge block 18 under the action of the top spring 20 to be driven to move into the inner part under the action of the limiting rod, the sliding rod 14 is required to be separated from the limiting hole, and the sliding rod 19 is further required to be prevented from moving downwards when the sliding rod 19 is required to be contacted with the sliding rod 14 to realize the limiting hole is further prevented from moving.
The invention has the beneficial effects that: after moving and static contacts of the circuit breaker break away from, through the effect of electro-magnet and two connecting rods, realize that two valves are opened and close fast, avoided when the circuit breaker is shaken out, two valves are in half-closed state for a long time, improve the barrier property of valve, improve personnel's security when the maintenance to can carry out certain adjustment to the device according to the demand when using, satisfy the use of unidimensional circuit breaker.
The above-described embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.
Claims (6)
1. The utility model provides a universal circuit breaker emergency exit, installs in the cabinet internal portion that is equipped with the circuit breaker, including upper valve (4) and lower valve (5), upper valve (4) and lower valve (5) drive through actuating mechanism and realize opening and close, still include circuit breaker body (1), its characterized in that;
the movable type cabinet further comprises two positioning rods (3) which are used for limiting the upper valve (4) and the lower valve (5) and are arranged in the cabinet body, the axes of the two positioning rods (3) are arranged in parallel, and the upper valve (4) and the lower valve (5) are both slidably arranged on the positioning rods (3);
the driving mechanism comprises a circuit breaker sliding rail (2) and a driving sliding rail (8) which are arranged in the cabinet body, the circuit breaker body (1) is slidably arranged on the circuit breaker sliding rail (2), a sliding block (9) is slidably arranged on the driving sliding rail (8), a first connecting rod (6) and a second connecting rod (7) are rotatably arranged on the sliding block (9), and the free ends of the first connecting rod (6) and the second connecting rod (7) are rotatably connected with an upper valve (4) and a lower valve (5) respectively;
still include electro-magnet (12), can drive slider (9) to keeping away from the direction slip of last valve (4) and lower valve (5) when electro-magnet (12) circular telegram, be fixed with brush (17) on electro-magnet (12), and install backup pad (16) on one side that circuit breaker body (1) is close to brush (17), install power (15) and brush track (21) on backup pad (16), cooperation between brush (17) and brush track (21), and brush (17) and brush track (21) contact immediately after the sound contact breaks away from.
2. The universal circuit breaker safety door according to claim 1, wherein the electromagnet (12) further comprises an iron core (11) and a return spring (10), the return spring (10) is sleeved outside the iron core (11), and the extending end of the iron core (11) is connected with the sliding block (9).
3. The universal circuit breaker safety door according to claim 1, wherein the first connecting rod (6) and the second connecting rod (7) are both in a V shape, the included angle of the V shape is 150-170 degrees, and the included angles of the first connecting rod (6) and the second connecting rod (7) are arranged in a deviating mode.
4. The universal circuit breaker safety door of claim 1, wherein the brush track length is adjustable based on use.
5. The universal circuit breaker safety door according to claim 1, further comprising a limiting mechanism, wherein the limiting mechanism comprises a limiting rod (14) which is slidably mounted on the circuit breaker sliding rail (2), a limiting hole matched with the limiting rod (14) is formed in the sliding block (9), and the limiting rod (14) can be driven to be matched with or separated from the limiting hole when the circuit breaker body (1) slides along the circuit breaker sliding rail (2).
6. The universal circuit breaker safety door according to claim 5, wherein the limiting mechanism further comprises a driving wedge block (18) fixed on the circuit breaker body (1), a driven wedge block (19) matched with the driving wedge block (18) is fixed on the limiting rod (14), a top spring (20) for driving the limiting rod (14) to move towards the limiting hole is sleeved on the limiting rod (14), and a screw (13) is in threaded fit on the circuit breaker sliding rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211128377.6A CN115483068B (en) | 2022-09-16 | 2022-09-16 | Universal breaker safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211128377.6A CN115483068B (en) | 2022-09-16 | 2022-09-16 | Universal breaker safety door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115483068A CN115483068A (en) | 2022-12-16 |
| CN115483068B true CN115483068B (en) | 2023-08-04 |
Family
ID=84392714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211128377.6A Active CN115483068B (en) | 2022-09-16 | 2022-09-16 | Universal breaker safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115483068B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004173432A (en) * | 2002-11-21 | 2004-06-17 | Fuji Electric Fa Components & Systems Co Ltd | Pull-out breaker and pull-out method |
| CN203056440U (en) * | 2012-12-18 | 2013-07-10 | 山西省电力公司大同供电分公司 | Electromagnetic blocking device of contact baffle plate of central-positioned trolley power switch cabinet |
| WO2018055829A1 (en) * | 2016-09-26 | 2018-03-29 | 株式会社日立産機システム | Switchgear |
| CN110707583A (en) * | 2019-09-20 | 2020-01-17 | 国网山东省电力公司微山县供电公司 | Automatic locking device for isolation baffle, handcart type switch cabinet and working method |
-
2022
- 2022-09-16 CN CN202211128377.6A patent/CN115483068B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004173432A (en) * | 2002-11-21 | 2004-06-17 | Fuji Electric Fa Components & Systems Co Ltd | Pull-out breaker and pull-out method |
| CN203056440U (en) * | 2012-12-18 | 2013-07-10 | 山西省电力公司大同供电分公司 | Electromagnetic blocking device of contact baffle plate of central-positioned trolley power switch cabinet |
| WO2018055829A1 (en) * | 2016-09-26 | 2018-03-29 | 株式会社日立産機システム | Switchgear |
| CN110707583A (en) * | 2019-09-20 | 2020-01-17 | 国网山东省电力公司微山县供电公司 | Automatic locking device for isolation baffle, handcart type switch cabinet and working method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115483068A (en) | 2022-12-16 |
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