CN115483068A - Universal breaker safety door - Google Patents
Universal breaker safety door Download PDFInfo
- Publication number
- CN115483068A CN115483068A CN202211128377.6A CN202211128377A CN115483068A CN 115483068 A CN115483068 A CN 115483068A CN 202211128377 A CN202211128377 A CN 202211128377A CN 115483068 A CN115483068 A CN 115483068A
- Authority
- CN
- China
- Prior art keywords
- valve
- circuit breaker
- connecting rod
- breaker
- lower valve
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- 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
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an omnipotent breaker emergency exit, install in the internal portion of cabinet that is equipped with the circuit breaker, including last valve and lower valve, go up the valve and drive through actuating mechanism with lower valve and realize opening and close, still include the circuit breaker body, still including being used for to going up valve and lower valve spacing and installing two locating levers at the internal portion of cabinet, it is at the locating lever with the equal slidable mounting of lower valve to go up the valve, actuating mechanism is including installing circuit breaker slide rail and the drive slide rail at the internal portion of cabinet, 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 with last valve and the lower valve respectively and is connected, still include the electro-magnet, can drive the slider when the electro-magnet circular telegram and slide to the direction of keeping away from last valve and lower valve. The time of the breaker in the process of rocking out and entering the valve in a half-opening and closing state is reduced, the protective 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 universal breaker safety door.
Background
The circuit breaker is divided into two parts, namely a plug-in circuit breaker (also called a body) and a drawer base, wherein the two parts can be separated and can be connected into a whole through insertion and matching. After the body part is separated from the drawer seat part, the electrified contact part on the drawer seat needs to be isolated, so that the safety of personnel is ensured. In particular, by providing a safety shutter structure on the side structure where the drawer seat portion is connected with the body portion, the contact portion can be automatically isolated when the body portion is separated from the drawer seat. When the circuit breaker need be maintained or other operations, need shake out the circuit breaker body from the drawer seat, circuit breaker body 1 and major loop separation this moment to two upper and lower valves are opened through mechanisms such as connecting rod and rocking arm drive simultaneously this moment.
In the prior art, for example, chinese patent document CN205565486U discloses a valve mechanism of a vacuum circuit breaker chamber of a switch cabinet, the valve mechanism drives an upper valve and a lower valve to open through two sets of rotating arms and a connecting rod connected to the rotating arms, respectively, a torsion spring is disposed at a rotating shaft of the rotating arms, when a vacuum circuit breaker moves out of the vacuum circuit breaker chamber, the torsion spring drives the rotating arms to rotate and reset, so as to drive the upper valve and the lower valve to close and reset, thereby preventing an operator from moving out of the vacuum circuit breaker and mistakenly touching a main circuit fixed contact with electricity when the switch cabinet is maintained.
In the above-mentioned prior art or patent document, the drive of two upper and lower valves often adopts through a plurality of connecting rods and rocking arm drive motion, adopt this kind of mode to cause and often need the circuit breaker to move to the assigned position back that is close to chamber door department upper and lower valve can be complete with the contact shelter from, this just leads to the circuit breaker at the in-process of being shaken out, the contact is because upper and lower valve does not in time close with lower valve, cause the long-time exposure of contact, cause constructor's injury easily at this in-process, the long-time exposed condition of contact also exists when the circuit breaker resets in the same way.
Disclosure of Invention
In view of the above situation, the present invention provides a universal breaker safety door, which can reduce the time of the valve in the half-open/close state during the swinging out and entering process of the breaker, and improve the protection performance of the valve.
The technical scheme includes that the universal circuit breaker safety door is installed inside a cabinet body provided with a circuit breaker and comprises an upper valve and a lower valve, the upper valve and the lower valve are driven by a driving mechanism to be opened and closed, the universal circuit breaker safety door further comprises a circuit breaker body and two positioning rods, the positioning rods are used for limiting the upper valve and the lower valve and are installed inside the cabinet body, the two positioning rods are parallel to each other in axis, the upper valve and the lower valve are installed on the positioning rods in a sliding mode, the driving mechanism comprises a circuit breaker sliding rail and a driving sliding rail which are installed inside the cabinet body, the circuit breaker body is installed on the circuit breaker sliding rail in a sliding mode, a sliding block is installed on the driving sliding rail in a sliding mode, a first connecting rod and a second connecting rod are installed on the sliding block in a rotating mode, the free ends of the first connecting rod and the second connecting rod are respectively connected with the upper valve and the lower valve in a rotating mode, and the electromagnet can drive the sliding block to slide in a direction away from the upper valve and the lower valve when the electromagnet is powered on.
The electromagnet further comprises an iron core and a return spring, wherein the return spring is sleeved outside the iron core, and the extending end of the iron core is connected with the sliding block.
Furthermore, the first connecting rod and the second connecting rod are both V-shaped, the included angle of the V-shaped is minus degree, and the included angle of the first connecting rod and the included angle of the second connecting rod are arranged in a back-to-back mode.
Further, an electric brush is fixed on the electromagnet, a supporting plate is installed on one side, close to the electric brush, of the circuit breaker body, a power source and an electric brush rail are installed on the supporting plate, and the electric brush is matched with the electric brush rail.
Further to the present invention, the brush track length can be adjusted for use.
The invention further comprises a limiting mechanism, wherein the limiting mechanism comprises a limiting rod which is slidably arranged on the circuit breaker slide rail, a limiting hole which is matched with the limiting rod is arranged on the slide block, and the circuit breaker body can be driven to be matched with and separated from the limiting hole when sliding along the circuit breaker track.
The limiting mechanism further comprises a driving wedge block fixed on the breaker body, a driven wedge block matched with the driving wedge block is fixed on the limiting rod, a top spring driving the limiting rod to move towards the limiting hole is sleeved on the limiting rod, and a screw rod is in threaded fit with the breaker sliding rail.
The invention has the beneficial effects that: after the sound contact of circuit breaker breaks away from, through electro-magnet and two connecting rod effects down, realize opening and close fast of two valves, avoided when the circuit breaker is shaken out, two valves are in half closed state for a long time, improve the barrier propterty 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 not unidimensional circuit breaker's use.
Drawings
Fig. 1 is a schematic view of the structure of the shaft side when the present invention is used as a whole.
Fig. 2 is a schematic structural view of the front side of the present invention in its entirety.
FIG. 3 is a schematic view of the rear face side of the present invention in its entirety.
FIG. 4 is a schematic view of the bottom side of the present invention.
FIG. 5 is a schematic structural view of the structural shaft side of the present invention.
Fig. 6 is a partially enlarged structural schematic view of the limiting mechanism of the present invention.
Fig. 7 is a schematic view of a brush segment according to 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 limiting rod 14, a power supply 15, a supporting plate 16, an electric brush 17, a driving wedge block 18, a driven wedge block 19, a top spring 20 and an electric brush track 21.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the universal breaker safety door is installed inside a cabinet body provided with a breaker, and comprises an upper valve 4 and a lower valve 5, wherein the upper valve 4 and the lower valve 5 are driven by a driving mechanism to open and close, the universal breaker safety door also comprises a breaker body 1, two positioning rods 3 which are used for limiting the upper valve 4 and the lower valve 5 and are installed inside the cabinet body, the two positioning rods 3 are parallel to each other in axis, the upper valve 4 and the lower valve 5 are both slidably installed on the positioning rods 3, the positioning rods 3 are installed inside the cabinet body when the universal breaker safety door is used, the upper valve 4 and the lower valve 5 are installed at positions close to contacts, the driving mechanism comprises a breaker slide rail 2 and a driving slide rail 8 which are installed inside the cabinet body, the breaker body 1 is slidably installed on the breaker slide rail 2, a slide block 9 is slidably installed on the driving slide rail 8, the intelligent cabinet is characterized in that a first connecting rod 6 and a second connecting rod 7 are rotatably mounted 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 driving sliding rail 8 and the circuit breaker sliding rail 2 are both mounted inside the cabinet body, the circuit breaker body 1 is slidably mounted on the circuit breaker sliding rail 2, when the circuit breaker body 1 slides to a position far away from a contact, the upper valve 4 and the lower valve 5 can be moved close to each other, so that the contact is isolated, the intelligent cabinet further comprises an electromagnet 12, when the electromagnet 12 is electrified, the sliding block 9 can be driven to slide to a direction far away from the upper valve 4 and the lower valve 5, the electromagnet 12 further comprises an iron core 11 and a reset spring 10, the reset spring 10 is sleeved outside the iron core 11, an extending end of the iron core 11 is connected with the sliding block 9, and an electric brush 17 is fixed on the electromagnet 12, and the circuit breaker body 1 is equipped with the backup pad 16 on one side close to the brush 17, the backup pad 16 is equipped with the power supply 15 and the brush track 21, the brush 17 is matched with the brush track 21, under the action of the electromagnet 12, when the circuit breaker drives the brush track 21 to move to be separated from the brush 17, the electromagnet 12 is not electrified, the iron core 11 moves under the action of the reset spring 10, the slide block 9 is driven to slide towards the valve direction, and then the first connecting rod 6 and the second connecting rod 7 are driven to incline, the upper valve 4 and the lower valve 5 are pushed to be away from each other, the opening of the valve is realized, when the circuit breaker drives the brush track 21 to slide to be contacted with the brush 17, the electromagnet 12 is electrified under the action of the power supply 15, the iron core 11 drives the slide block 9 to slide towards the direction away from the valve, thereby the upper valve 4 and the lower valve 5 are driven to be close under the action of the first connecting rod 6 and the second connecting rod 7, the valve is closed, the electromagnet 12 is adopted, the corresponding speed is high, the condition that the valve of the breaker is in a long-time half-open or half-close state in the sliding process is avoided, the valve is quickly closed and opened, meanwhile, the opening and closing of the valve can be adjusted by changing the position of the electric brush 17 according to different lengths of the contacts when the breaker body 1 slides to different positions, the length of the electric brush track 21 can be adjusted according to the use, different sliding distances of the breaker body 1 can be adjusted, the electric brush 17 is enabled to be in contact with the electric brush track 21 all the time, the electromagnet 12 is enabled to be powered on all the time, meanwhile, after moving and static contacts on the breaker body are separated, the electric brush is in contact with the electric brush track 21 immediately, the opening and closing time of the valve is shortened, the exposure time of the contacts after the contacts are separated from the electric brush is shortened, and the protection effect of the safety door is improved.
According to other specific embodiments of the present invention, as can be seen from the attached drawings, the driving mechanism includes a circuit breaker slide rail 2 and a driving slide rail 8 which are installed inside the cabinet, and the circuit breaker body 1 is slidably installed on the circuit breaker slide rail 2, the driving slide rail 8 is slidably installed with a slider 9, the slider 9 is rotatably installed with a first link 6 and a second link 7, and free ends of the first link 6 and the second link 7 are rotatably connected with the upper shutter 4 and the lower shutter 5, respectively, the first link 6 and the second link 7 are both V-shaped, and an included angle of the V-shape is 150-170 degrees, the included angle of the first link 6 and the second link 7 is arranged away from each other, so as to improve the smoothness of the first link 6 and the second link 7 when the upper shutter 4 and the lower shutter 5 are driven, the shapes of the first link 6 and the second link 7 are adjusted, and the obtuse angle can further improve the opening and closing effect of the shutter in the stress direction between the first link 6 and the second link 7 and the two shutters.
According to other specific embodiments of the present invention, as can be seen from the attached drawings, the present invention further includes a limiting mechanism, the limiting mechanism includes a limiting rod 14 slidably mounted on the circuit breaker slide rail 2, and the slider 9 is provided with a limiting hole matched with the limiting rod 14, when the circuit breaker body 1 slides along the circuit breaker track, the limiting rod 14 can be driven to be matched with and separated from the limiting hole, the limiting mechanism further includes a driving wedge block 18 slidably mounted on the circuit breaker body 1, and the limiting rod 14 is fixed with a driven wedge block 19 matched with the driving wedge block 18, and the limiting rod 14 is sleeved with a top spring 20 driving the limiting rod 14 to move towards the limiting hole, the circuit breaker slide rail 2 is threadedly matched with a screw 13, when in use, the circuit breaker body 1 needs to be disassembled to be operated, at this time, in order to avoid the movement of the slider 9 after the brush 17 is separated from the brush track, the limiting rod 14 and the limiting hole located on the slider 9 are simultaneously provided, when in use, the driving screw 13 drives the driving wedge block 18 to move and separate from the driven wedge block 19, so as to realize the separation of the limiting rod 14, when the sliding of the limiting rod 14 and the sliding of the limiting rod is cancelled, the sliding rod, the sliding of the sliding rod, the sliding rod 14, the sliding rod is further, the safety door can be cancelled.
The invention has the beneficial effects that: after the sound contact of circuit breaker breaks away from, through electro-magnet and two connecting rod effects down, realize opening and close fast of two valves, avoided when the circuit breaker is shaken out, two valves are in half closed state for a long time, improve the barrier propterty 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 not unidimensional circuit breaker's use.
The above-mentioned embodiments do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art 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 (7)
1. A universal breaker safety door is arranged inside a cabinet body provided with a breaker, comprises an upper valve (4) and a lower valve (5), wherein the upper valve (4) and the lower valve (5) are driven by a driving mechanism to open and close, and further comprises a breaker body (1), and is characterized in that;
the cabinet also 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, and the two positioning rods (3) are parallel to each other in axis, and the upper valve (4) and the lower valve (5) are both arranged on the positioning rods (3) in a sliding manner;
the driving mechanism comprises a circuit breaker sliding rail (2) and a driving sliding rail (8) which are arranged inside 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 respectively rotatably connected with the upper valve (4) and the lower valve (5);
the automatic sliding door is characterized by further comprising an electromagnet (12), and when the electromagnet (12) is electrified, the sliding block (9) can be driven to slide towards the direction far away from the upper valve (4) and the lower valve (5).
2. The safety door of a conventional circuit breaker according to claim 1, characterized in that 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 extended end of the iron core (11) is connected with the sliding block (9).
3. The conventional breaker safety door as claimed in claim 1, wherein the first connecting rod (6) and the second connecting rod (7) are both V-shaped, the included angle of the V-shaped is (150) to (170), and the included angle of the first connecting rod (6) and the included angle of the second connecting rod (7) are arranged away from each other.
4. Universal circuit breaker safety door according to claim 1, characterized in that the electromagnet (12) is fixed with a brush (17), and a support plate (16) is mounted on the side of the breaker body (1) close to the brush (17), a power supply (15) and brush tracks (21) are mounted on the support plate (16), the brush (17) and brush tracks (21) are engaged, and the brush (17) and brush tracks (21) are in immediate contact when the moving and static contacts are disengaged.
5. A universal circuit breaker safety door according to claim 4 wherein the brush track length is adjustable for use.
6. The conventional breaker safety door according to claim 1, further comprising a limiting mechanism, wherein the limiting mechanism comprises a limiting rod (14) slidably mounted on the breaker slide rail (2), and the slider (9) is provided with a limiting hole engaged with the limiting rod (14), so that the limiting rod (14) can be driven to engage with and disengage from the limiting hole when the breaker body (1) slides along the breaker track.
7. The safety door of the universal circuit breaker according to claim 6, wherein the limiting mechanism further comprises a driving wedge block (18) fixed on the 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) driving the limiting rod (14) to move towards the limiting hole is sleeved on the limiting rod (14), and a screw (13) is matched with the sliding rail (2) of the circuit breaker in a threaded manner.
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 true CN115483068A (en) | 2022-12-16 |
| CN115483068B 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 |
|---|---|
| CN115483068B (en) | 2023-08-04 |
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