CN112510508A - Interlocking device of high-low voltage switch cabinet - Google Patents
Interlocking device of high-low voltage switch cabinet Download PDFInfo
- Publication number
- CN112510508A CN112510508A CN202011226464.6A CN202011226464A CN112510508A CN 112510508 A CN112510508 A CN 112510508A CN 202011226464 A CN202011226464 A CN 202011226464A CN 112510508 A CN112510508 A CN 112510508A
- Authority
- CN
- China
- Prior art keywords
- control mechanism
- switch
- cabinet
- cabinet door
- circuit breaker
- 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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
- H01H9/226—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts the casing containing electrical equipment other than and operated by the switch
-
- 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
- H02B1/16—Earthing arrangements
-
- 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)
Abstract
The invention discloses an interlocking device of a high-low voltage switch cabinet, and relates to the technical field of switch cabinets. Including cubical switchboard body and cabinet door, the inside of cubical switchboard body is provided with circuit breaker control mechanism and earthing switch control mechanism respectively, the inside fixed mounting of cabinet door has the controller, the controller is connected with circuit breaker control mechanism and earthing switch control mechanism two-way electricity respectively. This high-low voltage switch cabinet interlock, through setting up circuit breaker control mechanism and earthing switch control mechanism, slide bar and inserted bar can be respectively at the inside sliding connection in sleeve pipe and drive chamber when the cabinet door is opened, make the inside circuit breaker that is located the controller open and earthing switch is closed, make staff can work when opening the cabinet door and detect switch cabinet inside circuit breaker and earthing switch, the switch cabinet is in the outage state this moment, make the staff obtain effectual protection, can overhaul equipment safely, avoid taking place the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to an interlocking device of a high-low voltage switch cabinet.
Background
The switch cabinet is a device widely applied to an electric power system, is used as a main component unit of the electric power system, and is more and more widely applied to the Chinese electric power system; the main function of the switch cabinet is to open and close, protect and control electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system.
Statistics of a large number of electrical accidents over the years shows that human body electric shock casualty accidents and electrical equipment accidents are often in direct relation with technical service levels of electrical workers, operation is strictly carried out according to electrical safety work rules, misoperation accidents can be effectively reduced and avoided, but misoperation often occurs in real work, and therefore the accidents must be avoided or reduced by reasonably and effectively utilizing an interlocking device.
In the prior art, in order to avoid misoperation of workers, a lower door of a switch cabinet needs to be provided with an interlocking mechanism to be opened and closed so as to avoid safety accidents, an existing interlocking mechanism adopts an interlocking aluminum support and a shear shank to carry out internal interlocking, the whole structure is complex, and potential safety hazards exist.
Disclosure of Invention
The invention provides an interlocking device of a high-low voltage switch cabinet, which has the advantage of avoiding potential safety hazards and solves the problem of potential safety hazards.
In order to realize the purpose of avoiding potential safety hazard, the invention provides the following technical scheme: a high-low voltage switch cabinet interlocking device comprises a switch cabinet body and a cabinet door, wherein a circuit breaker control mechanism and a grounding switch control mechanism are respectively arranged inside the switch cabinet body, a controller is fixedly arranged inside the cabinet door, and the controller is respectively in bidirectional electric connection with the circuit breaker control mechanism and the grounding switch control mechanism;
the circuit breaker control mechanism includes sleeve pipe and slide bar, the inner wall fixed mounting of sleeve pipe and cubical switchboard body, the front end of slide bar and the dorsal part fixed connection of cabinet door, the back end of slide bar extends to sheathed tube inside, the sheathed tube inner wall is provided with contact switch, the inside fixed mounting of slide bar has flexible loop bar, the other end fixedly connected with contact block of flexible loop bar.
As a preferred technical scheme of the invention, a door lock is fixedly arranged on the inner side of the cabinet door, and the switch cabinet body is movably connected with the cabinet door through the door lock.
As a preferred technical scheme of the present invention, the ground switch control mechanism includes a driving cavity and an insertion rod, the driving cavity is located inside the switch cabinet body, the front end of the insertion rod is fixedly connected with the back side of the cabinet door, and a return spring is fixedly mounted on the inner wall of the driving cavity.
As a preferred technical scheme of the present invention, a touch bar is fixedly connected to a top end of the return spring, a metal touch wheel is rotatably connected to a top end of the touch bar, a back end of the insertion bar extends into the driving cavity and is in lap joint with a top end of the metal touch wheel, a switch contact is fixedly installed on a top of an inner wall of the driving cavity, and the switch contact is located right above the metal touch wheel.
As a preferable technical scheme of the present invention, a guide plate is fixedly installed at the bottom of the inner wall of the driving cavity, a slide rail is installed on the inner wall of the driving cavity, and the front side and the back side of the contact rod extend to the interior of the guide plate and the slide rail respectively.
Compared with the prior art, the invention provides the interlocking device of the high-low voltage switch cabinet, which has the following beneficial effects:
this high-low voltage switch cabinet interlock, through setting up circuit breaker control mechanism and earthing switch control mechanism, slide bar and inserted bar can be respectively at the inside sliding connection in sleeve pipe and drive chamber when the cabinet door is opened, make the inside circuit breaker that is located the controller open and earthing switch is closed, make staff can work when opening the cabinet door and detect switch cabinet inside circuit breaker and earthing switch, the switch cabinet is in the outage state this moment, make the staff obtain effectual protection, can overhaul equipment safely, avoid taking place the potential safety hazard.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional top view of the main body structure of the switch cabinet of the present invention;
FIG. 3 is a top cross-sectional view of the sleeve construction of the present invention;
fig. 4 is a side cross-sectional view of the earthing switch control mechanism of the present invention.
In the figure: 1. a switch cabinet body; 2. a cabinet door; 3. a door lock; 4. a circuit breaker control mechanism; 5. a sleeve; 6. a slide bar; 7. a contact switch; 8. a telescopic loop bar; 9. a contact block; 10. a ground switch control mechanism; 11. a drive chamber; 12. inserting a rod; 13. a return spring; 14. a touch bar; 15. a metal trolley; 16. a switch contact; 17. a guide plate; 18. a slide rail; 19. and a controller.
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.
Referring to fig. 1-4, the invention discloses a high-low voltage switch cabinet interlocking device, which comprises a switch cabinet body 1 and a cabinet door 2, wherein a circuit breaker control mechanism 4 and a grounding switch control mechanism 10 are respectively arranged inside the switch cabinet body 1, a controller 19 is fixedly installed inside the cabinet door 2, the controller 19 is a single chip microcomputer, the model of the single chip microcomputer is AT89S51, and the controller 19 is respectively in bidirectional electric connection with the circuit breaker control mechanism 4 and the grounding switch control mechanism 10.
Through setting up circuit breaker control mechanism 4 and earthing switch control mechanism 10, slide bar 6 and inserted bar 12 can be respectively at the inside sliding connection of sleeve pipe 5 and drive chamber 11 when cabinet door 2 is opened, make the circuit breaker that is located inside controller 19 open and earthing switch is closed, make staff can work when opening cabinet door 2 and detect switch cabinet inside circuit breaker and earthing switch, the switch cabinet is in the outage state this moment, make the staff obtain effectual protection, can overhaul equipment safely, avoid taking place the potential safety hazard.
The slide bar 6 drives the telescopic sleeve rod 8 and the contact connecting block 9 to move, so that the contact is enabled to be contacted and far away from the contact switch 7, the contact switch 7 is disconnected, meanwhile, circuit disconnection information is uploaded to the controller 19, the rear controller 19 starts to start the circuit breaker, and the switch cabinet body 1 completes circuit breaking work.
Specifically, the inboard fixed mounting of cabinet door 2 has lock 3, cubical switchboard body 1 passes through lock 3 and cabinet door 2 swing joint.
In this embodiment, door lock 3 accessible supporting key is with opening and closing work between cubical switchboard body 1 and the cabinet door 2.
Specifically, earthing switch control mechanism 10 includes drive chamber 11 and inserted bar 12, drive chamber 11 is located cubical switchboard body 1's inside, inserted bar 12's front end and cabinet door 2's dorsal part fixed connection, the inner wall fixed mounting of drive chamber 11 has reset spring 13, reset spring 13's top fixedly connected with supports feeler lever 14, support feeler lever 14's top is rotated and is connected with the metal and touches wheel 15, the back end of inserted bar 12 extends to drive chamber 11's inside and touches the top overlap joint of wheel 15 with the metal, the top fixed mounting of drive chamber 11 inner wall has switch contact 16, switch contact 16 is located the metal and touches directly over wheel 15.
In this embodiment, the inserted link 12 will gradually disengage from the driving cavity 11, so that the pressure borne above the return spring 13 gradually disappears, and then the metal trolley 15 will follow the automatic resilience of the return spring 13 to perform lifting movement, and finally the metal trolley 15 is made to contact with the switch contact 16, so that a closed circuit is formed, and the controller 19 receives information and closes the grounding switch.
Specifically, the bottom fixed mounting of drive chamber 11 inner wall has deflector 17, slide rail 18 has been seted up to the inner wall of drive chamber 11, the front side and the dorsal part of conflict pole 14 extend to the inside of deflector 17 and slide rail 18 respectively.
In this embodiment, the contact rod 14 can slide inside the guide plate 17 and the slide rail 18, so that the sliding direction of the contact rod 14 is limited, and other positions where the metal trolley 15 moves are avoided.
The working principle and the using process of the invention are as follows: when the cabinet door is used, when a worker opens the cabinet door 2 through the door lock 3, the sliding rod 6 and the inserted rod 12 are respectively in sliding connection with the inner parts of the sleeve 5 and the driving cavity 11, so that the sliding rod 6 drives the telescopic sleeve rod 8 and the contact connecting block 9 to move, contact is enabled to be far away from the contact switch 7, the contact switch 7 is enabled to be disconnected, circuit disconnection information is uploaded to the controller 19, the rear controller 19 starts the circuit breaker, the switch cabinet body 1 completes circuit breaking work, the inserted rod 12 can be gradually separated from the driving cavity 11, pressure borne by the upper portion of the reset spring 13 is gradually eliminated, then the metal contact wheel 15 can perform lifting motion along with the automatic resilience of the reset spring 13, finally the metal contact wheel 15 is enabled to be in contact with the switch contact 16, a closed circuit is formed, and the controller 19 receives information and closes the grounding switch, utilize the circuit breaker to open and earthing switch is closed for cubical switchboard body 1 has accomplished the processing of cutting off the power supply completely when opening cabinet door 2.
To sum up, this high-low voltage switch cabinet interlock through setting up circuit breaker control mechanism 4 and earthing switch control mechanism 10, slide bar 6 and inserted bar 12 can be respectively at the inside sliding connection of sleeve pipe 5 and drive chamber 11 when cabinet door 2 is opened, make the circuit breaker that is located inside 19 controllers open and earthing switch is closed, make the staff open the cabinet door 2 and can work circuit breaker and earthing switch when detecting the cubical switchboard is inside, the cubical switchboard is in the outage state this moment, make the staff obtain effectual protection, can overhaul equipment safely, avoid taking place the potential safety hazard.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high-low voltage switch cabinet interlock, includes cubical switchboard body (1) and cabinet door (2), its characterized in that: a circuit breaker control mechanism (4) and a grounding switch control mechanism (10) are respectively arranged inside the switch cabinet body (1), a controller (19) is fixedly installed inside the cabinet door (2), and the controller (19) is respectively in bidirectional electric connection with the circuit breaker control mechanism (4) and the grounding switch control mechanism (10);
breaker control mechanism (4) include sleeve pipe (5) and slide bar (6), the inner wall fixed mounting of sleeve pipe (5) and cubical switchboard body (1), the front end of slide bar (6) and the dorsal part fixed connection of cabinet door (2), the back end of slide bar (6) extends to the inside of sleeve pipe (5), the inner wall of sleeve pipe (5) is provided with contact switch (7), the inside fixed mounting of slide bar (6) has flexible loop bar (8), the other end fixedly connected with contact splice (9) of flexible loop bar (8).
2. The high-low voltage switch cabinet interlocking device according to claim 1, characterized in that: the inner side of the cabinet door (2) is fixedly provided with a door lock (3), and the switch cabinet body (1) is movably connected with the cabinet door (2) through the door lock (3).
3. The high-low voltage switch cabinet interlocking device according to claim 1, characterized in that: earthing switch control mechanism (10) are including drive chamber (11) and inserted bar (12), drive chamber (11) are located the inside of cubical switchboard body (1), the dorsal part fixed connection of the front end of inserted bar (12) and cabinet door (2), the inner wall fixed mounting in drive chamber (11) has reset spring (13).
4. The high-low voltage switch cabinet interlocking device according to claim 3, characterized in that: the top fixedly connected with of reset spring (13) is to feeler lever (14), the top of feeler lever (14) is rotated and is connected with metal and touches wheel (15), the back end of inserted bar (12) extends to the inside of drive chamber (11) and touches the top overlap joint of wheel (15) with the metal, the top fixed mounting of drive chamber (11) inner wall has switch contact (16), switch contact (16) are located the metal and touch directly over wheel (15).
5. The high-low voltage switch cabinet interlocking device according to claim 4, characterized in that: the bottom fixed mounting of drive chamber (11) inner wall has deflector (17), slide rail (18) have been seted up to the inner wall in drive chamber (11), the front side and the dorsal part of conflict pole (14) extend to the inside of deflector (17) and slide rail (18) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011226464.6A CN112510508A (en) | 2020-11-04 | 2020-11-04 | Interlocking device of high-low voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011226464.6A CN112510508A (en) | 2020-11-04 | 2020-11-04 | Interlocking device of high-low voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112510508A true CN112510508A (en) | 2021-03-16 |
Family
ID=74955896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011226464.6A Withdrawn CN112510508A (en) | 2020-11-04 | 2020-11-04 | Interlocking device of high-low voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112510508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471844A (en) * | 2021-08-06 | 2021-10-01 | 安徽东能电气有限公司 | Safe and reliable high-low voltage switch cabinet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203055719U (en) * | 2013-02-05 | 2013-07-10 | 石家庄科林电气设备有限公司 | Lower door interlocking device of metal armoured centrally installed withdrawing type switchgear |
| CN205508666U (en) * | 2016-03-16 | 2016-08-24 | 合肥合断电气科技有限公司 | Novel interlocking structure's telemechanical cabinet |
| CN207110747U (en) * | 2017-09-07 | 2018-03-16 | 陕西秦通电力工程有限公司 | A kind of linked door lock for switch cubicle |
| CN208571260U (en) * | 2018-06-21 | 2019-03-01 | 江苏华富电力科技有限公司 | A kind of high-voltage intermediate switch cabinet mechanical interlocks |
| CN209266933U (en) * | 2019-01-30 | 2019-08-16 | 上海万控柜架有限公司 | A kind of power distribution cabinet self-locking safety cabinet door |
| CN209844223U (en) * | 2019-06-11 | 2019-12-24 | 胡亚兰 | Electrical switch cabinet grounding switch locking device |
-
2020
- 2020-11-04 CN CN202011226464.6A patent/CN112510508A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203055719U (en) * | 2013-02-05 | 2013-07-10 | 石家庄科林电气设备有限公司 | Lower door interlocking device of metal armoured centrally installed withdrawing type switchgear |
| CN205508666U (en) * | 2016-03-16 | 2016-08-24 | 合肥合断电气科技有限公司 | Novel interlocking structure's telemechanical cabinet |
| CN207110747U (en) * | 2017-09-07 | 2018-03-16 | 陕西秦通电力工程有限公司 | A kind of linked door lock for switch cubicle |
| CN208571260U (en) * | 2018-06-21 | 2019-03-01 | 江苏华富电力科技有限公司 | A kind of high-voltage intermediate switch cabinet mechanical interlocks |
| CN209266933U (en) * | 2019-01-30 | 2019-08-16 | 上海万控柜架有限公司 | A kind of power distribution cabinet self-locking safety cabinet door |
| CN209844223U (en) * | 2019-06-11 | 2019-12-24 | 胡亚兰 | Electrical switch cabinet grounding switch locking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471844A (en) * | 2021-08-06 | 2021-10-01 | 安徽东能电气有限公司 | Safe and reliable high-low voltage switch cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210316 |
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| WW01 | Invention patent application withdrawn after publication |