CN113133239B - Electric appliance cabinet for preventing live working - Google Patents
Electric appliance cabinet for preventing live working Download PDFInfo
- Publication number
- CN113133239B CN113133239B CN202110233450.5A CN202110233450A CN113133239B CN 113133239 B CN113133239 B CN 113133239B CN 202110233450 A CN202110233450 A CN 202110233450A CN 113133239 B CN113133239 B CN 113133239B
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- cabinet
- fixedly connected
- electric appliance
- iron
- cabinet body
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Security & Cryptography (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses an electric appliance cabinet for preventing live working, which comprises a cabinet body and an electric appliance element, wherein a cabinet door is connected in front of the cabinet body through a hinge, a locking piece is fixedly arranged on the inner wall of the cabinet door, the electric appliance element is arranged in the cabinet body, a positive electrode lead and a negative electrode lead are arranged on the electric appliance element, the positive electrode lead penetrates through the rear side wall of the cabinet body to be connected with a mains supply, the other end of the negative electrode lead is fixedly connected with a conductive spring, a sliding groove is formed in the rear side wall of the interior of the cabinet body, an iron sliding block is connected in the sliding groove in a sliding manner, an iron clamping piece is fixedly connected to one side wall of the iron sliding block, and the iron clamping piece is fixedly connected with the other end of the conductive spring. The invention relates to the technical field of electric appliance cabinets, and the electric appliance cabinet locking device controls the locking state of a cabinet door by utilizing the principle that a spring can be contracted due to electric conduction, so that the cabinet door cannot be opened when an electric appliance element circuit is not broken, and the danger of live working caused by the fact that an operator is not powered off timely is prevented.
Description
Technical Field
The invention relates to the technical field of electric appliance cabinets, in particular to an electric appliance cabinet capable of preventing live working.
Background
The electric appliance cabinet is a cabinet for intensively installing electric appliance elements, can protect the electric appliance elements installed in the electric appliance cabinet, enables the arrangement of the electric appliance elements to be more reasonable, shortens the distance of circuit connection, and can intensively dissipate heat.
At present, the electric appliance cabinets on the market are opened by using keys or can be directly opened, the circuits inside the electric appliance cabinets can be overhauled when an operator opens the electric appliance cabinets, and the electric appliance cabinets are not completely powered off if the operator fails to operate, so that the electric appliance cabinets are possibly in danger of electric shock.
Therefore, we propose an electric appliance cabinet for preventing live working to solve the above problems.
Disclosure of Invention
The invention aims to provide an electric cabinet capable of preventing live working, and aims to solve the problems that the electric cabinets in the prior market are opened by using a key or can be opened directly, when an operator opens the electric cabinet, the operator can overhaul the circuits and the like in the electric cabinet, and if the electric cabinet is not completely powered off due to misoperation of the operator, the risk of electric shock of the operator is possibly caused.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electric appliance cabinet for preventing live working, includes the cabinet body and electrical components, there is the cabinet door in the place ahead of the cabinet body through hinged joint, and the fixed locking piece that is provided with of inner wall of cabinet door, electrical components installs in the internal portion of cabinet, and is provided with anodal wire and negative pole wire on the electrical components, anodal wire runs through the rear lateral wall and the mains connection of the cabinet body, and the other end fixedly connected with conductive spring of negative pole wire, the spout has been seted up to the inside rear lateral wall of the cabinet body, and sliding connection has the iron slider in the spout, one side lateral wall fixed connection of iron slider has the iron fastener, and the other end fixed connection of iron fastener and conductive spring, the fixed copper sheet that is provided with in tank bottom of spout, and one side lateral wall and the iron slider counterbalance of copper sheet, another lateral wall fixedly connected with connecting wire of copper sheet, and the connecting wire other end runs through the lateral wall and the mains connection of the cabinet body, the lateral wall fixedly connected with that the iron slider is close to the cabinet door is spacing colluded, and spacing colludes and locking piece mutually supports the setting.
Preferably, the outside cover of electrically conductive spring is equipped with soft rubber cover, and the iron slider outside cover is equipped with the rubber leather sheath.
Preferably, the inner wall fixedly connected with iron core of the cabinet body, and the iron core is located conductive spring's inside, the one end fixedly connected with rubber pad that the iron slider is close to the iron core.
Preferably, the through hole is formed in the side wall of the cabinet door, a fixed block is fixedly connected to the inner wall of the cabinet door, a sleeve is fixedly connected to the side wall of one side of the fixed block, a slide bar is slidably inserted into the other end of the sleeve, a connecting rod is fixedly connected to the other end of the slide bar, a locking piece is fixedly connected to the other end of the connecting rod, a return spring is sleeved on the outer side of the sleeve, two ends of the return spring are respectively and fixedly connected with the fixed block and the connecting rod, a moving block is fixedly connected to the side wall of the connecting rod, which is close to the through hole, and the moving block penetrates through the through hole.
Compared with the prior art, the invention has the beneficial effects that:
1. through the conductive spring, the iron sliding block, the limiting hook and the like, if an operator does not timely power off an electrical element, the conductive spring still has current passing, the conductive spring is still in a contraction state at the moment, the iron sliding block is located at one end close to the conductive spring, the limiting hook and the locking piece are in a locking state at the moment, the cabinet door is pulled by the operator from the outer side to open the electrical cabinet at the moment, if the electrical element is powered off, the conductive spring does not have current passing and starts to extend, the iron sliding block moves towards the other end of the sliding groove under the action force of the conductive spring at the moment, the limiting hook is far away from the locking piece, the cabinet door can be opened by the operator from the outside at the moment, and the electric shock caused by the error of the operator can be prevented;
2. through the movable block, reset spring and connecting rod etc. under special conditions, if need overhaul with electricity, operating personnel can slide the movable block, make reset spring compressed, the slide bar slides to intraduct simultaneously, make the connecting rod drive the locking piece and remove to the direction of fixed block in step, thereby make the locking piece and spacing collude and break away from, the contact locking state, operating personnel can open the cabinet door at this moment and carry out live working, after operating personnel loosens the movable block, the locking piece can reset, equipment function resumes.
Drawings
Fig. 1 is a schematic front structural diagram of an electrical cabinet for preventing live-wire work according to the present invention;
fig. 2 is a schematic diagram of a back structure of an electrical cabinet for preventing live-wire work according to the present invention;
fig. 3 is a schematic structural diagram of a cabinet door of an electrical cabinet for preventing live working according to the present invention;
fig. 4 is a schematic view of an internal structure of an electrical cabinet for preventing live-wire work according to the present invention;
fig. 5 is an enlarged view of a structure at a in fig. 4.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a through hole; 4. a moving block; 5. a fixed block; 6. a sleeve; 7. a slide bar; 8. a return spring; 9. a connecting rod; 10. a locking member; 11. an electrical component; 12. a positive electrode lead; 13. a negative electrode lead; 14. a chute; 15. a copper sheet; 16. connecting a lead; 17. an iron slider; 18. iron clamping pieces; 19. a conductive spring; 20. an iron core; 21. a limiting hook; 22. a rubber cushion.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-5, an electric appliance cabinet for preventing live working comprises a cabinet body 1 and an electric appliance element 11, a cabinet door 2 is connected in front of the cabinet body 1 through a hinge, a locking piece 10 is fixedly arranged on the inner wall of the cabinet door 2, the electric appliance element 11 is installed inside the cabinet body 1, a positive lead 12 and a negative lead 13 are arranged on the electric appliance element 11, the positive lead 12 penetrates through the rear side wall of the cabinet body 1 to be connected with a mains supply, the other end of the negative lead 13 is fixedly connected with a conductive spring 19, a sliding groove 14 is arranged on the rear side wall inside the cabinet body 1, an iron sliding block 17 is connected in the sliding groove 14 in a sliding manner, an iron clamping piece 18 is fixedly connected on one side wall of the iron sliding block 17, and iron fastener 18 and conductive spring 19's other end fixed connection, conductive spring 19's outside cover is equipped with soft rubber sleeve, and iron slider 17 outside cover is equipped with the rubber leather sheath, it is safer when this sets up to make operating personnel carry out live working, it leads to the electric shock to prevent operating personnel misoperation touching conductive spring 19, the fixed copper sheet 15 that is provided with in tank bottom of spout 14, and one side lateral wall and the iron slider 17 of copper sheet 15 offset, another lateral wall fixedly connected with connecting wire 16 of copper sheet 15, and the connecting wire 16 other end runs through the lateral wall and the commercial power connection of the cabinet body 1, iron slider 17 is close to the lateral wall fixedly connected with spacing of cabinet door 2 and colludes 21, and spacing colludes 21 and locking piece 10 and mutually supports the setting.
In the invention, if an operator does not timely power off the electric element 11, the current still passes through the conductive spring 19, the conductive spring 19 is still in a contraction state at the moment, the iron sliding block 17 is positioned at one end close to the conductive spring 19, the limiting hook 21 and the locking piece 10 are in a locking state at the moment, the operator pulls the cabinet door 2 from the outer side to open the electric cabinet, if the electric element 11 is powered off, the conductive spring 19 does not pass through the current and starts to extend, the iron sliding block 17 moves towards the other end of the sliding groove 14 under the action force of the conductive spring 19 at the moment, the limiting hook 21 is far away from the locking piece 10, the operator can open the cabinet door 2 from the outside at the moment, and the error electric shock of the operator can be prevented,
after operating personnel overhauld, can be earlier the circular telegram confirm that electrical component 11 function is complete, then close cabinet door 2, cabinet door 2 closes in-process locking part 10 and extrudees spacing colluding 21 under the inclined plane effect again, and rise conductive spring 19, after cabinet door 2 closes, conductive spring 19 contracts, with spacing colluding 21 and locking part 10 locking, realize the function of locking cabinet door 2, also can at first close cabinet door 2 in the same way, then the circular telegram, conductive spring 19 can contract after the circular telegram, with spacing colluding 21 and locking part 10 locking, realize the function of locking cabinet door 2.
The second embodiment:
referring to fig. 4 to 5, the present embodiment is different from embodiment 1 in that: the inner wall of the cabinet body 1 is fixedly connected with an iron core 20, the iron core 20 is located inside the conductive spring 19, and one end of the iron core 20 close to the iron sliding block 17 is fixedly connected with a rubber pad 22.
In long-term use, if the conductive spring 19 is damaged, the conductive spring 19 extends under the power-on state, at the moment, the iron core 20 and the conductive spring 19 form an electromagnet, the iron sliding block 17 is attracted by virtue of magnetic force, the iron sliding block 17 is abutted against the rubber pad 22, and the conductive spring 19 is damaged in time, so that the cabinet door 2 can only be opened when the electrical element 11 is powered off, and the fault tolerance of the equipment is improved.
Example three:
referring to fig. 3, the present embodiment is different from embodiment 1 in that: through-hole 3 has been seted up to the lateral wall of cabinet door 2, inner wall fixedly connected with fixed block 5 of cabinet door 2, and one side lateral wall fixedly connected with sleeve pipe 6 of fixed block 5, sleeve pipe 6's the other end slides and inserts and be equipped with slide bar 7, slide bar 7's other end fixedly connected with connecting rod 9, and connecting rod 9's other end fixedly connected with locking piece 10, sleeve pipe 6's outside cover is equipped with reset spring 8, and reset spring 8's both ends respectively with fixed block 5 and connecting rod 9 fixed connection, connecting rod 9 is close to through-hole 3's lateral wall fixedly connected with movable block 4, and movable block 4 runs through-hole 3.
Under special conditions, if need overhaul with electricity, operating personnel can slide movable block 4, make reset spring 8 compressed, slide bar 7 slides to 6 insides of sleeve pipes simultaneously, make connecting rod 9 drive locking piece 10 and remove to the direction of fixed block 5 in step, thereby make locking piece 10 and spacing collude 21 and break away from, the contact locking state, operating personnel can open cabinet door 2 at this moment and carry out live working, after operating personnel loosens movable block 4, locking piece 10 can reset, equipment function resumes.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides an electric appliance cabinet for preventing live working, includes the cabinet body (1) and electrical components (11), its characterized in that, there are cabinet door (2) in the place ahead of the cabinet body (1) through hinged joint, and the fixed locking piece (10) that is provided with of inner wall of cabinet door (2), electrical components (11) are installed inside the cabinet body (1), and are provided with positive wire (12) and negative pole wire (13) on electrical components (11), positive wire (12) run through the rear lateral wall of the cabinet body (1) and are connected with the commercial power, and the other end fixedly connected with conductive spring (19) of negative pole wire (13), spout (14) have been seted up to the inside rear lateral wall of the cabinet body (1), and sliding connection has iron slider (17) in spout (14), one side lateral wall fixed connection of iron slider (17) has iron fastener (18), and the other end fixed connection of iron fastener (18) and conductive spring (19), the tank bottom fixed connection of spout (14) has copper sheet (15), and one side lateral wall and slider (17) counterbalance, another fixed connection of copper sheet (15) cabinet door fixed connection has another side wall (16) and copper sheet (17) fixed connection slider (17) and copper sheet (17) run through the other side wall of the cabinet door fixed connection slider (16) and copper sheet (17) and the side wall (17) and the copper sheet fixed connection slider (17) of the cabinet body (17) is connected with the side wall of the cabinet wall of the copper sheet (17), the limiting hook (21) and the locking piece (10) are matched with each other;
through-hole (3) have been seted up to the lateral wall of cabinet door (2), inner wall fixedly connected with fixed block (5) of cabinet door (2), and one side lateral wall fixedly connected with sleeve pipe (6) of fixed block (5), the other end of sleeve pipe (6) slides and inserts and is equipped with slide bar (7), the other end fixedly connected with connecting rod (9) of slide bar (7), and the other end fixedly connected with locking piece (10) of connecting rod (9), the outside cover of sleeve pipe (6) is equipped with reset spring (8), and the both ends of reset spring (8) respectively with fixed block (5) and connecting rod (9) fixed connection, lateral wall fixedly connected with movable block (4) that connecting rod (9) are close to through-hole (3), and movable block (4) run through-hole (3).
2. The electric appliance cabinet for preventing live working according to claim 1, wherein a soft rubber sleeve is sleeved outside the conductive spring (19), and a rubber leather sleeve is sleeved outside the iron sliding block (17).
3. The electric appliance cabinet for preventing hot-line work according to claim 1, characterized in that an iron core (20) is fixedly connected to the inner wall of the cabinet body (1), the iron core (20) is located inside the conductive spring (19), and a rubber pad (22) is fixedly connected to one end of the iron core (20) close to the iron sliding block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233450.5A CN113133239B (en) | 2021-03-03 | 2021-03-03 | Electric appliance cabinet for preventing live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233450.5A CN113133239B (en) | 2021-03-03 | 2021-03-03 | Electric appliance cabinet for preventing live working |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113133239A CN113133239A (en) | 2021-07-16 |
| CN113133239B true CN113133239B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110233450.5A Active CN113133239B (en) | 2021-03-03 | 2021-03-03 | Electric appliance cabinet for preventing live working |
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| CN (1) | CN113133239B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804935A (en) * | 2021-08-19 | 2021-12-17 | 李嘉齐 | Three-chamber structure intelligent ammeter box |
| CN114665396B (en) * | 2022-04-20 | 2022-12-20 | 南通莱欧电子科技有限公司 | Electric shock prevention structure for indicating instrument of outdoor power distribution cabinet |
| CN115305320B (en) * | 2022-07-12 | 2024-06-28 | 佛山市国升五金制品有限公司 | Pretreatment equipment for die steel |
| CN115003088B (en) * | 2022-07-28 | 2024-05-28 | 河南心连心智能装备科技有限公司 | Heat treatment control box |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10094858B1 (en) * | 2016-06-29 | 2018-10-09 | Christopher James Lahowetz | Electrical test assembly shielding user from energized equipment |
| CN208834939U (en) * | 2018-10-11 | 2019-05-07 | 北京中科中电电力工程管理有限公司 | Electric locking device and power distribution cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207381759U (en) * | 2017-11-07 | 2018-05-18 | 义乌市八方电力设备制造有限公司 | A kind of high-tension switch gear with electromagnetic lock structure |
| CN110071436A (en) * | 2019-05-29 | 2019-07-30 | 江苏隆鑫电气设备有限公司 | A kind of Intelligent joint lock switchgear |
| CN210223829U (en) * | 2019-09-25 | 2020-03-31 | 天津市电研自动控制装置有限公司 | Mechanical interlocking structure for preventing control cabinet door from being opened in electrified state |
| CN211428720U (en) * | 2020-01-08 | 2020-09-04 | 杭州五源电气成套设备有限公司 | Easily maintain protection against electric shock distribution control cabinet |
| CN211555727U (en) * | 2020-04-15 | 2020-09-22 | 江苏鹏泰电气有限公司 | Microcomputer anti-misoperation locking mechanism of high-voltage switch cabinet of transformer substation |
-
2021
- 2021-03-03 CN CN202110233450.5A patent/CN113133239B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10094858B1 (en) * | 2016-06-29 | 2018-10-09 | Christopher James Lahowetz | Electrical test assembly shielding user from energized equipment |
| CN208834939U (en) * | 2018-10-11 | 2019-05-07 | 北京中科中电电力工程管理有限公司 | Electric locking device and power distribution cabinet |
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| CN113133239A (en) | 2021-07-16 |
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Effective date of registration: 20221024 Address after: No. 137, Dongxin'an Street, Dong'an District, Mudanjiang City, Heilongjiang Province 157005 Applicant after: MUDANJIANG HYDRAULIC ELECTROGENERATING TOTAL FACTORY OF HEILONGJIANG POWER COMPANY OF THE STATE GRID Applicant after: STATE GRID CORPORATION OF CHINA Address before: Hangzhou Zhongda Electric Appliance Co., Ltd., 833 Linping Avenue, Linping street, Yuhang District, Hangzhou City, Zhejiang Province 310000 Applicant before: Sun Chaohan |
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