CN110676710A - Overheating self-opening electric power cabinet based on thermal bimetal - Google Patents
Overheating self-opening electric power cabinet based on thermal bimetal Download PDFInfo
- Publication number
- CN110676710A CN110676710A CN201911143038.3A CN201911143038A CN110676710A CN 110676710 A CN110676710 A CN 110676710A CN 201911143038 A CN201911143038 A CN 201911143038A CN 110676710 A CN110676710 A CN 110676710A
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- electric power
- frame
- cabinet
- power cabinet
- bull stick
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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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
- E05B65/5207—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement
- E05B65/5215—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding
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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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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Abstract
The invention provides a thermal bimetal-based overheating self-opening electric power cabinet, and relates to the technical field of electric power cabinets. This overheated from open electric power cabinet based on hot bimetal, including the cabinet frame, the front side rotation of cabinet frame is connected with the cabinet door, one side fixed mounting that the cabinet door is close to the cabinet frame has the lock shell, the left side sliding connection who locks the shell has the lock core, the left side fixed mounting who locks the shell in the cabinet frame inboard has spacing frame, the bottom fixed mounting of spacing frame has the installing frame, the inside fixed mounting of installing frame has a cylinder section of thick bamboo. This overheated from open electric power cabinet based on hot bimetal can remove spacing to the cabinet door to flick the cabinet door automatically, can effectively more and put out a fire to the inside of electric power cabinet fast, strived for more time for putting out a fire of electric power cabinet, the electric power cabinet from the opening mechanism can continue to resume the use after the conflagration control, practiced thrift the cost, be convenient for restore electric power cabinet.
Description
Technical Field
The invention relates to the technical field of electric power cabinets, in particular to an overheated self-opening electric power cabinet based on thermal bimetal.
Background
The electric power cabinet is also called a power distribution cabinet, can be divided into a power distribution cabinet and a lighting distribution cabinet, is the final-stage equipment of a power distribution system, is a general name of a motor control center, is used for occasions with concentrated loads and more loops, and distributes electric energy of a certain circuit of the upper-stage power distribution equipment to nearby loads to protect, monitor and control the loads.
And there are complicated wiring and more stub inside the electric power cabinet, therefore, when the short circuit condition takes place in the circuit, the electric power cabinet also is the easiest damage, and when the inside of electric power cabinet is on fire, because the leakage of high temperature and electric current, make people can't manually open the cabinet door, and then can't put out a fire to the inside of electric power cabinet effectively, and traditional from open electric power cabinet can remove the lock to the cabinet door when the conflagration breaks out and dies, nevertheless can't bounce the cabinet door open, still need the instrument to open the cabinet door upset, need consume certain time, and some from the inside trigger device of open electric power cabinet all are disposable designs, just can't use after opening once, need reinstallation trigger device, the cost is increased and time and energy are wasted.
In order to solve the problems, the inventor provides a thermal bimetal-based overheating self-opening electric power cabinet, which can relieve the limitation on a cabinet door, automatically flick the cabinet door, effectively and quickly extinguish the fire inside the electric power cabinet, strive for more time for extinguishing the fire of the electric power cabinet, and enable a self-opening mechanism of the electric power cabinet to be continuously reused after fire control, so that the cost is saved, and the electric power cabinet is convenient to repair.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an overheated self-opening electric power cabinet based on hot bimetal, includes cabinet frame, cabinet door, lock shell, lock core, spacing frame, installing frame, cylinder, telescopic link, hot bimetal, first bull stick, gag lever post, first spring, an installing section of thick bamboo, striker, slider, bayonet socket, second spring, second bull stick, first serration plate, gear, second serration plate.
Wherein:
the front side of the cabinet frame is rotatably connected with a cabinet door, one side of the cabinet door close to the cabinet frame is fixedly provided with a lock shell, the left side of the lock shell is slidably connected with a lock cylinder, the left side of the lock shell at the inner side of the cabinet frame is fixedly provided with a limiting frame, the bottom end of the limiting frame is fixedly provided with an installation frame, the interior of the installation frame is fixedly provided with a cylindrical barrel, the interior of the cylindrical barrel is slidably connected with a telescopic rod, the left side of the telescopic rod is fixedly connected with a thermal bimetal, the right side of the thermal bimetal is rotatably connected with a first rotating rod, the bottom end of the first rotating rod is rotatably connected with a limiting rod, the left end of the limiting rod is fixedly connected with a first spring, the right end of the installation frame is fixedly provided with an installation barrel, the top of the installation barrel is slidably connected with a striker, the bottom end of the striker is fixedly provided with, the top on telescopic link right side rotates and is connected with the second bull stick, the top of second bull stick rotates and is connected with first serration board, the top meshing of first serration board has the gear, the top meshing of gear has second serration board.
Preferably, the limiting frame is aligned with the lock shell, and the right side of the limiting frame is provided with a hole matched with the lock cylinder, so that the lock cylinder can extend to the inside of the limiting frame to close the cabinet door.
Preferably, the thermal bimetal is a composite material formed by two or more metal or alloy component layers with different thermal expansion coefficients, the active layer is 24Ni-2Cr-Fe, and the passive layer is 36Ni-Fe, so that the thermal bimetal has a larger expansion coefficient and can be restored to an original state after being heated and cooled.
Preferably, first bull stick and second bull stick all rotate to be connected in the periphery of dabber, just the dabber of first bull stick and second bull stick all is close to one side of telescopic link, and the both sides of first bull stick and second bull stick are the piston rod for when the telescopic link takes place the displacement of small distance, can drive the other end of first bull stick and second bull stick and carry out the displacement of great distance.
Preferably, the gag lever post sliding connection is in the inside of installation frame, and extends to the inside of an installation section of thick bamboo, the slant groove that descends to the right is seted up to the right-hand member of gag lever post for with the inside push type of lance, can make the gag lever post inwards shrink.
Preferably, the bayonet is matched with the groove at the right end of the limiting rod, and the collision rod can be limited through the matching of the bayonet and the limiting rod.
Preferably, first serration plate and second serration plate are located the upper and lower both sides of gear, and all with gear intermeshing, second serration plate sliding connection is in spacing frame's inside, and is aligned with the lock core on right side, consequently, when first serration plate takes place to remove, can drive the second serration plate and carry out the removal of opposite direction.
The invention provides an overheating self-opening electric power cabinet based on thermal bimetal. The method has the following beneficial effects:
1. this overheated self-opening electric power cabinet based on hot bimetal, through the design of meshing gear between first serration board and the second serration board in second bull stick and the spacing frame, the in-process that drives the telescopic link and move is heated at hot bimetal, can make second serration board promote the lock core and remove right, and then make the lock core remove spacing to the cabinet door, avoided the phenomenon that electric power cabinet can't be opened when the conflagration breaing out, can effectively put out a fire to electric power cabinet's inside more.
2. This overheated from open electric power cabinet based on heat bimetal through the design of first bull stick and gag lever post, is heated at heat bimetal and drives the in-process that the telescopic link moved, can make the gag lever post shrink left and relieve spacing to the lance for the lance bouncer bounces the cabinet door under the effect of second spring, has avoided the upset to the cabinet door, and is simple more effective, has strived for more time for putting out a fire to electric power cabinet.
3. This overheated self-opening electric power cabinet based on hot bimetal through the characteristic of hot bimetal reconversion after the temperature descends gradually, can make spacing frame realize again spacing to the lock core, and the lance also can be spacing again in the installation section of thick bamboo, makes the self-opening mechanism of electric power cabinet can continue to resume the use after the conflagration control, has practiced thrift the cost, is convenient for restore the electric power cabinet.
Drawings
FIG. 1 is a schematic structural view of the inside of an electric cabinet according to the present invention;
FIG. 2 is a cross-sectional view of the structure of FIG. 1 taken along line A-A thereof in accordance with the present invention;
FIG. 3 is a schematic structural view of the striker after being triggered according to the present invention;
FIG. 4 is a cross-sectional view of a cylindrical barrel construction of the present invention;
FIG. 5 is a cross-sectional view of the stop frame structure of the present invention;
fig. 6 is a cross-sectional view of the structure of fig. 5 at B-B in accordance with the present invention.
In the figure: 1. a cabinet frame; 2. a cabinet door; 3. a lock case; 4. a lock cylinder; 5. a limiting frame; 6. installing a frame; 7. a cylindrical barrel; 8. a telescopic rod; 9. thermal bimetal; 10. a first rotating lever; 11. a limiting rod; 12. a first spring; 13. mounting the cylinder; 14. a ram; 15. a slider; 16. a bayonet; 17. a second spring; 18. a second rotating rod; 19. a first serrated plate; 20. a gear; 21. a second serrated plate.
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.
An embodiment of the overheating self-opening electric power cabinet based on the thermal bimetal is as follows:
referring to fig. 1-6, a thermal bimetal-based overheating self-opening electric power cabinet includes a cabinet frame 1, a cabinet door 2, a lock case 3, a lock cylinder 4, a limiting frame 5, an installation frame 6, a cylindrical barrel 7, a telescopic rod 8, a thermal bimetal 9, a first rotating rod 10, a limiting rod 11, a first spring 12, an installation barrel 13, a striker 14, a slider 15, a bayonet 16, a second spring 17, a second rotating rod 18, a first serrated plate 19, a gear 20, and a second serrated plate 21.
Wherein:
the front side of a cabinet frame 1 is rotatably connected with a cabinet door 2, one side of the cabinet door 2 close to the cabinet frame 1 is fixedly provided with a lock shell 3, the left side of the lock shell 3 is slidably connected with a lock core 4, the left side of the lock shell 3 at the inner side of the cabinet frame 1 is fixedly provided with a limiting frame 5, the limiting frame 5 is aligned with the lock shell 3, and the right side of the limiting frame is provided with a hole matched with the lock core 4, so that the lock core 4 can extend into the limiting frame 5 to complete the closing of the cabinet door 2, the bottom end of the limiting frame 5 is fixedly provided with a mounting frame 6, the inside of the mounting frame 6 is fixedly provided with a cylindrical barrel 7, the inside of the cylindrical barrel 7 is slidably connected with a telescopic rod 8, the left side of the telescopic rod 8 is fixedly connected with a thermal bimetal 9, the thermal bimetal 9 is a composite material formed by firmly combining two or more metal or alloy component layers with different, the passive layer is 36Ni-Fe, so that the thermal bimetal 9 has a large expansion coefficient, and can be restored to an original state after being heated and cooled, the limit of the lock cylinder 4 can be realized again by the limit frame 5 through the characteristic that the thermal bimetal 9 is gradually restored after the temperature is reduced, the limit of the lock cylinder 4 can be realized again by the impact bar 14, the self-opening mechanism of the electric power cabinet can be continuously restored to use after fire control, the cost is saved, and the electric power cabinet can be conveniently repaired.
The right side of the thermal bimetal 9 is rotatably connected with a first rotating rod 10, the first rotating rod 10 and a second rotating rod 18 are rotatably connected with the periphery of a mandrel, the mandrels of the first rotating rod 10 and the second rotating rod 18 are close to one side of the telescopic rod 8, and both sides of the first rotating rod 10 and the second rotating rod 18 are piston rods, so that the telescopic rod 8 can drive the other ends of the first rotating rod 10 and the second rotating rod 18 to perform displacement with a larger distance when the telescopic rod 8 generates small-distance displacement, the bottom end of the first rotating rod 10 is rotatably connected with a limiting rod 11, the limiting rod 11 is slidably connected with the inside of the mounting frame 6 and extends to the inside of the mounting cylinder 13, the right end of the limiting rod 11 is provided with a bevel which inclines downwards and downwards, so that the collision rod 14 is pressed inwards to enable the limiting rod 11 to shrink inwards, the left end of the limiting rod 11 is fixedly connected with a first spring 12, the right end of the mounting frame 6 is, the top sliding connection of installation section of thick bamboo 13 has lance 14, the bottom fixed mounting of lance 14 has slider 15, bayonet 16 has been seted up to slider 15's left side, bayonet 16 and the groove looks adaptation of gag lever post 11 right-hand member, through bayonet 16 and gag lever post 11's cooperation, can carry out spacing to lance 14, slider 15's bottom fixed connection has second spring 17, through the design of first bull stick 10 and gag lever post 11, in-process that hot bimetal 9 is heated and drives telescopic link 8 and remove, can make gag lever post 11 shrink left and relieve spacing to lance 14, make lance 14 bounce off cabinet door 2 under the effect of second spring 17, avoided the upset to cabinet door 2, and is simple and effective more, strives for more time for putting out a fire to electric power cabinet.
The top end of the right side of the telescopic rod 8 is rotatably connected with a second rotating rod 18, the top end of the second rotating rod 18 is rotatably connected with a first sawtooth plate 19, the first sawtooth plate 19 and the second sawtooth plate 21 are positioned on the upper side and the lower side of a gear 20 and are mutually meshed with the gear 20, the second sawtooth plate 21 is slidably connected inside the limiting frame 5 and is aligned with the lock cylinder 4 on the right side, therefore, when the first sawtooth plate 19 moves, the second sawtooth plate 21 can be driven to move in the opposite direction, the gear 20 is meshed with the top of the first sawtooth plate 19, the second sawtooth plate 21 is meshed with the top of the gear 20, through the design that the gear 20 is meshed between the first sawtooth plate 19 and the second sawtooth plate 21 in the second rotating rod 18 and the limiting frame 5, in the process that the telescopic rod 8 is driven to move by the heat of the bimetal 9, the second sawtooth plate 21 can push the lock cylinder 4 to move rightwards, and further the lock cylinder 4 is free from limiting on the cabinet door, the phenomenon that the electric power cabinet can not be opened when a fire disaster occurs is avoided, and the fire can be effectively extinguished inside the electric power cabinet.
When the electric cabinet is used, a key is rotated in the lock shell 3, the lock cylinder 4 is moved leftwards to the inside of the limiting frame 5 to close the cabinet door 2, when a fire occurs in the inside of the electric cabinet, the thermal bimetal 9 is expanded due to high temperature generated in the inside, the telescopic rod 8 is pushed to move rightwards, the first rotating rod 10 and the second rotating rod 18 are pushed to rotate in the process that the telescopic rod 8 moves rightwards, the first serrated plate 19 can be driven to move leftwards in the process that the second rotating rod 18 rotates, the second serrated plate 21 can be driven to move rightwards by utilizing the mutual meshing of the first serrated plate 19, the second serrated plate 21 and the central gear 20, the lock cylinder 4 on the right side is further pushed to release the limiting between the lock cylinder and the limiting frame 5, and the limiting rod 11 can be driven to compress the first spring 12 to move leftwards in the process that the first rotating rod 10 rotates, make gag lever post 11 relieve spacing to slider 15, slider 15 can pop out forward under the effect of second spring 17, and then hit the door 2 that has relieved spacing, make cabinet door 2 can be bounced open, and then can put out a fire to the inside of electric power cabinet more effectively, and after putting out a fire, hot bimetal 9 is at the in-process that the temperature slowly descends, also can the reconversion, and then drive second serration plate 21 and retract, make lock core 4 can normally spacing in spacing frame 5, gag lever post 11 also can move to the right under the effect of first spring 12 simultaneously, after inwards pressing down striker 14, after bayonet 16 and gag lever post 11 contact, can be spacing to striker 14 once more, and then make the self-opening mechanism of electric power cabinet can continue to resume the use after the conflagration control.
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 (7)
1. The utility model provides an overheated self-opening electric power cabinet based on hot bimetal, includes cabinet frame (1), its characterized in that: the front side of the cabinet frame (1) is rotatably connected with a cabinet door (2), one side of the cabinet door (2) close to the cabinet frame (1) is fixedly provided with a lock shell (3), the left side of the lock shell (3) is slidably connected with a lock core (4), the left side of the inner side of the cabinet frame (1) is fixedly provided with a limiting frame (5), the bottom end of the limiting frame (5) is fixedly provided with a mounting frame (6), the inside of the mounting frame (6) is fixedly provided with a cylindrical barrel (7), the inside of the cylindrical barrel (7) is slidably connected with a telescopic rod (8), the left side of the telescopic rod (8) is fixedly connected with a thermal bimetal (9), the right side of the thermal bimetal (9) is rotatably connected with a first rotating rod (10), the bottom end of the first rotating rod (10) is rotatably connected with a limiting rod (11), the left end of the limiting rod (11) is fixedly connected with a first spring (12, the right-hand member fixed mounting of installing frame (6) has an installation section of thick bamboo (13), the top sliding connection of an installation section of thick bamboo (13) has lance (14), the bottom fixed mounting of lance (14) has slider (15), bayonet socket (16) have been seted up in the left side of slider (15), the bottom fixedly connected with second spring (17) of slider (15), the top on telescopic link (8) right side is rotated and is connected with second bull stick (18), the top of second bull stick (18) is rotated and is connected with first serration plate (19), the top meshing of first serration plate (19) has gear (20), the top meshing of gear (20) has second serration plate (21).
2. A thermal bimetal based overheated self-opening electric power cabinet according to claim 1, characterized in that: the limiting frame (5) is aligned with the lock shell (3), and a hole matched with the lock cylinder (4) is formed in the right side of the limiting frame.
3. A thermal bimetal based overheated self-opening electric power cabinet according to claim 1, characterized in that: the thermal bimetal (9) is a composite material formed by firmly combining two or more metal or alloy component layers with different thermal expansion coefficients, wherein the active layer is 24Ni-2Cr-Fe, and the passive layer is 36 Ni-Fe.
4. A thermal bimetal based overheated self-opening electric power cabinet according to claim 1, characterized in that: first bull stick (10) and second bull stick (18) all rotate to be connected in the periphery of dabber, just the dabber of first bull stick (10) and second bull stick (18) all is close to one side of telescopic link (8), and the both sides of first bull stick (10) and second bull stick (18) are the piston rod.
5. A thermal bimetal based overheated self-opening electric power cabinet according to claim 1, characterized in that: the limiting rod (11) is connected to the inside of the mounting frame (6) in a sliding mode and extends to the inside of the mounting cylinder (13), and a bevel which inclines downwards to the right is formed in the right end of the limiting rod (11).
6. A thermal bimetal based overheated self-opening electric power cabinet according to claim 1, characterized in that: the bayonet (16) is matched with a groove at the right end of the limiting rod (11).
7. A thermal bimetal based overheated self-opening electric power cabinet according to claim 1, characterized in that: first serration board (19) and second serration board (21) are located the upper and lower both sides of gear (20), and all with gear (20) intermeshing, second serration board (21) sliding connection is in the inside of spacing frame (5), aligns with lock core (4) on right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143038.3A CN110676710B (en) | 2019-11-20 | 2019-11-20 | Overheating self-opening electric power cabinet based on thermal bimetal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911143038.3A CN110676710B (en) | 2019-11-20 | 2019-11-20 | Overheating self-opening electric power cabinet based on thermal bimetal |
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| CN110676710A true CN110676710A (en) | 2020-01-10 |
| CN110676710B CN110676710B (en) | 2020-12-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111358572A (en) * | 2020-03-10 | 2020-07-03 | 首都医科大学附属北京佑安医院 | Gauze counting device and counting system |
| CN111969425A (en) * | 2020-07-27 | 2020-11-20 | 朱春云 | Air flow conduction pressure relief explosion-proof flame-retardant fire extinguishing mechanism of pre-buried high-voltage power distribution cabinet |
| CN112864861A (en) * | 2021-01-12 | 2021-05-28 | 马驰 | Block terminal for electric power engineering |
| CN114112118A (en) * | 2021-10-29 | 2022-03-01 | 宁波柯力传感科技股份有限公司 | Surface mount type stress-strain sensor and mounting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111969425A (en) * | 2020-07-27 | 2020-11-20 | 朱春云 | Air flow conduction pressure relief explosion-proof flame-retardant fire extinguishing mechanism of pre-buried high-voltage power distribution cabinet |
| CN112864861A (en) * | 2021-01-12 | 2021-05-28 | 马驰 | Block terminal for electric power engineering |
| CN112864861B (en) * | 2021-01-12 | 2022-07-12 | 江苏华明智能电气有限公司 | Block terminal for electric power engineering |
| CN114112118A (en) * | 2021-10-29 | 2022-03-01 | 宁波柯力传感科技股份有限公司 | Surface mount type stress-strain sensor and mounting method thereof |
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| Publication number | Publication date |
|---|---|
| CN110676710B (en) | 2020-12-11 |
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Effective date of registration: 20201123 Address after: No.151, North Road, Xishan, Renhe street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Jiangyan Electric Power Construction Co., Ltd Address before: Xi Keng she Zu Zhen Nan Keng Long Cun Yan Tuo Ao, Wencheng County, Wenzhou City, Zhejiang Province 325300 Applicant before: Liu Lianfen |
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