CN110137810B - Switch cabinet - Google Patents
Switch cabinet Download PDFInfo
- Publication number
- CN110137810B CN110137810B CN201910443100.4A CN201910443100A CN110137810B CN 110137810 B CN110137810 B CN 110137810B CN 201910443100 A CN201910443100 A CN 201910443100A CN 110137810 B CN110137810 B CN 110137810B
- Authority
- CN
- China
- Prior art keywords
- moving contact
- door
- switch cabinet
- cabinet
- contact
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 6
- 229910001923 silver oxide Inorganic materials 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
- E05C9/041—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with rack and pinion mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
-
- 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
-
- 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
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Elimination Of Static Electricity (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a switch cabinet which comprises a cabinet body, wherein a circuit breaker is arranged in the cabinet body, a circle of floating body and an elastic membrane connected with the floating body, the bottom of the cabinet body is arranged on the elastic membrane, and the density of the floating body is smaller than that of water. When water is poured into the place where the switch cabinet is located, the floating body floats on the water surface under the buoyancy effect of the water, and meanwhile, the floating body can pull the elastic body to enable the elastic body to form a circle of waterproof membrane, water cannot penetrate through the membrane to enter the switch cabinet, the switch cabinet can be effectively prevented from being flooded, and meanwhile, the switch cabinet is fixed on the ground, so that the switch cabinet cannot fall down.
Description
Technical Field
The invention relates to a switch cabinet.
Background
The switch cabinet (switchgear) has the main functions of opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system. The components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like. The switch cabinets can be classified into a movable switch cabinet and a fixed switch cabinet in a breaker installation mode, or can be classified into an open switch cabinet, a metal closed switch cabinet and a metal closed armoured switch cabinet according to the difference of cabinet structures, and can be classified into a high-voltage switch cabinet, a medium-voltage switch cabinet, a low-voltage switch cabinet and the like according to different voltage grades. The method is mainly suitable for various different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industry textile, factories and mining enterprises, residential communities, high-rise buildings and the like.
Many switch cabinets are arranged in basements, and flooding accidents often occur when flood attacks occur on occasions.
In order to solve the problem, patent CN205378375U discloses a flood-proof submerged outdoor cabinet, which comprises a column, an air inlet, a shell, a bottom plate, a split sealing plate, a server, a false panel, a floating plate, a connecting port and an air bag; the novel intelligent air conditioner is characterized in that a server is arranged inside the shell, an air inlet is formed in the surface of the server, a false panel is arranged at the bottom end of the server, a bottom plate is arranged at the bottom end of the false panel, an air bag is arranged on the side wall of the bottom plate, a connecting port is formed in one side of the air bag, and a floating plate is arranged at the bottom end of the shell. Such cabinets can float on the water surface when they are exposed to floods, thus preventing flooding, but this also presents a problem in that, for cabinets with a high center of gravity, they can topple over under the impact of the water flow, even if they float on the water surface.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a switch cabinet which can effectively prevent a cabinet body from being flooded.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cubical switchboard, includes the cabinet body, the internal circuit breaker that is provided with of cabinet still includes round float body and with the elastic membrane that floats the body and link to each other, cabinet body bottom sets up on the elastic membrane, the density of float body is less than the density of water. When water is poured into the place where the switch cabinet is located, the floating body floats on the water surface under the buoyancy effect of the water, and meanwhile, the floating body can pull the elastic body to enable the elastic body to form a circle of waterproof membrane, water cannot penetrate through the membrane to enter the switch cabinet, the switch cabinet can be effectively prevented from being flooded, and meanwhile, the switch cabinet is fixed on the ground, so that the switch cabinet cannot fall down.
In the above technical scheme, preferably, the cabinet body comprises a frame, one end of the frame is provided with a door, the door is provided with a door lock, the door lock comprises a lock cylinder, the back of the lock cylinder is provided with an external gear, the back of the door is rotationally connected with a rotary table, the rotary table is close to one end face of the door and is provided with a circle of internal gear, the external gear is kneaded with the internal gear, two rods are rotationally connected on the rotary table, and the other ends of the rods penetrate out of the top of the door and then are inserted into the frame. The effect of the lever is that after the door lock is locked, the upper end and the lower end of the door are locked, because the thickness of the door plate cannot be very thick, and if the upper end and the lower end are not fixed, the door is easily pried by a person. The external gear is matched with the internal gear to reduce the resistance of the key in rotation, and the length of the door is long, so that the length of the rod is long, the weight is heavy, the resistance of the key in rotation is increased, and the moment of the key in rotation can be amplified after the gear is increased, so that the key cannot feel forceful in locking.
In the above technical solution, preferably, the ratio of the number of teeth of the internal gear to the number of teeth of the external gear is 1:2.
In the above technical scheme, preferably, the circuit breaker includes the body, this is internal to be provided with first moving contact, first static contact and the second moving contact and the second static contact of being made by silver oxide by graphite, be connected with a baffle on the second moving contact, first moving contact passes the baffle, first moving contact has passed behind the baffle set gradually spring and first dog, the both ends of spring respectively with the baffle with first dog contacts. During normal operation, the first moving contact is contacted with the first fixed contact, the second moving contact is contacted with the second fixed contact, when the second moving contact is disconnected, the second moving contact is disconnected with the second fixed contact, and the first moving contact is continuously contacted with the first fixed contact under the action of the spring, so that the second moving contact and the second fixed contact can not generate electric arcs when being disconnected, then the first fixed contact continuously descends, the first fixed contact and the first moving contact are separated, and electric arcs and a large amount of heat can be generated when the first fixed contact and the first moving contact are separated, but because the first fixed contact and the first moving contact are made of graphite, the electrode can not be damaged due to the high temperature resistance of the graphite.
In the above technical solution, preferably, a second stop block is disposed on the first moving contact at the other side of the baffle.
The invention has the following beneficial effects: when water is poured into the place where the switch cabinet is located, the floating body floats on the water surface under the buoyancy effect of the water, and meanwhile, the floating body can pull the elastic body to enable the elastic body to form a circle of waterproof membrane, water cannot penetrate through the membrane to enter the switch cabinet, the switch cabinet can be effectively prevented from being flooded, and meanwhile, the switch cabinet is fixed on the ground, so that the switch cabinet cannot fall down.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic plan view of the present invention.
FIG. 3 is a schematic view of the present invention when it encounters water.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a schematic view of the back structure of the door panel.
Fig. 6 is a schematic diagram of the circuit breaker in normal operation.
Fig. 7 is a schematic diagram of the circuit breaker with the second movable contact and the second stationary contact open.
Fig. 8 is a schematic diagram of the circuit breaker with the first movable contact and the first stationary contact open.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
Referring to fig. 1 to 8, a switch cabinet comprises a cabinet body 1, wherein a circuit breaker 2 is arranged in the cabinet body 1, a circle of floating body 3 and an elastic membrane 4 connected with the floating body 3 are further included, the bottom of the cabinet body 1 is arranged on the elastic membrane 4, and the density of the floating body 3 is smaller than that of water. When water is poured into the place where the switch cabinet is located, the floating body floats on the water surface under the buoyancy effect of the water, and meanwhile, the floating body can pull the elastic body to enable the elastic body to form a circle of waterproof membrane, water cannot penetrate through the membrane to enter the switch cabinet, the switch cabinet can be effectively prevented from being flooded, and meanwhile, the switch cabinet is fixed on the ground, so that the switch cabinet cannot fall down.
The cabinet body 1 comprises a frame 1a, a door 5 is arranged at one end of the frame 1a, a door lock 51 is arranged on the door 5, the door lock 51 comprises a lock cylinder, an external gear 52 is arranged on the back of the lock cylinder, a rotary table 53 is rotationally connected to the back of the door, a circle of internal gear 531 is arranged on one end face, close to the door, of the rotary table 53, the external gear 52 is kneaded with the internal gear 531, and the tooth ratio of the internal gear to the external gear is 1:2. The turntable 53 is rotatably connected with two rods 54, and the other ends of the rods 54 penetrate out of the top of the door 5 and are inserted into the frame 1 a. The effect of the lever is that after the door lock is locked, the upper end and the lower end of the door are locked, because the thickness of the door plate cannot be very thick, and if the upper end and the lower end are not fixed, the door is easily pried by a person. The external gear is matched with the internal gear to reduce the resistance of the key in rotation, and the length of the door is long, so that the length of the rod is long, the weight is heavy, the resistance of the key in rotation is increased, and the moment of the key in rotation can be amplified after the gear is increased, so that the key cannot feel forceful in locking.
The circuit breaker 2 comprises a body 2a, a first moving contact 21 made of graphite, a first fixed contact 22, a second moving contact 23 made of silver oxide and a second fixed contact 24 are arranged in the body 2a, a baffle 25 is connected to the second moving contact 23, the first moving contact 21 penetrates through the baffle 25, a spring 26 and a first stop block 27 are sequentially arranged after the first moving contact 21 penetrates through the baffle 25, two ends of the spring 26 are respectively contacted with the baffle 25 and the first stop block 27, and a second stop block 28 is arranged on the other side of the first moving contact 21, which is positioned on the baffle 25.
During normal operation, the first moving contact is contacted with the first fixed contact, the second moving contact is contacted with the second fixed contact, when the second moving contact is disconnected, the second moving contact is disconnected with the second fixed contact, and the first moving contact is continuously contacted with the first fixed contact under the action of the spring, so that an electric arc can not be generated when the second moving contact is disconnected with the second fixed contact, then the first moving contact continuously descends, the first fixed contact is separated from the first moving contact, and an electric arc and a large amount of heat can be generated when the first moving contact is separated from the first moving contact, but because the first moving contact and the first moving contact are made of graphite, the electrode can not be damaged due to the high temperature resistance of the graphite.
Claims (2)
1. The utility model provides a cubical switchboard, includes the cabinet body, the internal circuit breaker that is provided with of cabinet, its characterized in that: still include first circle floating body and with the elastic membrane that the floating body links to each other, the cabinet body bottom sets up on the elastic membrane, the density of floating body is less than the density of water, the cabinet body includes the frame, the one end of frame is provided with the door, be provided with the lock on the door, the lock includes the lock core, the back of lock core is provided with the external gear, the rotation is connected with the carousel on the back of door, the carousel is close to be provided with first round internal gear on the first terminal surface of door, the external gear with the internal gear meshes mutually, the rotation is connected with two poles on the carousel, the other end of pole wears out in the top back insertion frame of door, the circuit breaker includes the body, this internal first moving contact made by graphite, first moving contact and second moving contact and the second moving contact of being made by silver oxide, be connected with a baffle on the second moving contact, first moving contact passes the baffle, first moving contact has set gradually behind the carousel and the first moving contact, first moving contact and first moving contact are disconnected with first moving contact, and second moving contact and first moving contact are still connected with each other side, and first moving contact and second moving contact are still connected with each other in the same place, and first moving contact and second moving contact are still connected with each other, and first moving contact and second moving contact are still contact are in the second moving contact.
2. The switchgear as claimed in claim 1, wherein: the ratio of the number of teeth of the internal gear to the number of teeth of the external gear is 1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443100.4A CN110137810B (en) | 2019-05-26 | 2019-05-26 | Switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443100.4A CN110137810B (en) | 2019-05-26 | 2019-05-26 | Switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110137810A CN110137810A (en) | 2019-08-16 |
| CN110137810B true CN110137810B (en) | 2024-05-17 |
Family
ID=67581662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910443100.4A Active CN110137810B (en) | 2019-05-26 | 2019-05-26 | Switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110137810B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1137160A (en) * | 1995-05-13 | 1996-12-04 | Abb研究有限公司 | Circuit breaker |
| CN2263185Y (en) * | 1996-03-29 | 1997-09-24 | 贵阳永丰工贸公司 | Theft-proof door |
| CN201533268U (en) * | 2009-10-10 | 2010-07-21 | 翟佑华 | Anti-corrosive water resistance secondary short circuit polar plate |
| CN104727665A (en) * | 2015-02-27 | 2015-06-24 | 艾谱机电发展(宁波)有限公司 | Precision arms locker mechanism |
| CN206225278U (en) * | 2016-12-05 | 2017-06-06 | 浙江麦格电气有限公司 | A kind of vacuum circuit breaker |
| CN207819245U (en) * | 2018-02-11 | 2018-09-04 | 深圳市载宇电气技术有限公司 | A kind of waterproof low-voltage power distribution cabinet |
| CN109257580A (en) * | 2018-11-29 | 2019-01-22 | 陈二东 | A kind of electric power apparatus monitoring device |
| CN208589388U (en) * | 2018-09-03 | 2019-03-08 | 厦门大恒科技有限公司 | A kind of micro vacuum contact head mechanism |
| CN208738641U (en) * | 2018-09-06 | 2019-04-12 | 厦门斯玛特工贸有限公司 | Waterproof distribution cabinet body |
| CN209786439U (en) * | 2019-05-26 | 2019-12-13 | 余姚市宏宇输变电工程有限公司舜能电气分公司 | Switch cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7046108B2 (en) * | 2004-05-12 | 2006-05-16 | Tzo-Ing Lin | Electronic circuit breaker with magnetic mechanism |
-
2019
- 2019-05-26 CN CN201910443100.4A patent/CN110137810B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1137160A (en) * | 1995-05-13 | 1996-12-04 | Abb研究有限公司 | Circuit breaker |
| CN2263185Y (en) * | 1996-03-29 | 1997-09-24 | 贵阳永丰工贸公司 | Theft-proof door |
| CN201533268U (en) * | 2009-10-10 | 2010-07-21 | 翟佑华 | Anti-corrosive water resistance secondary short circuit polar plate |
| CN104727665A (en) * | 2015-02-27 | 2015-06-24 | 艾谱机电发展(宁波)有限公司 | Precision arms locker mechanism |
| CN206225278U (en) * | 2016-12-05 | 2017-06-06 | 浙江麦格电气有限公司 | A kind of vacuum circuit breaker |
| CN207819245U (en) * | 2018-02-11 | 2018-09-04 | 深圳市载宇电气技术有限公司 | A kind of waterproof low-voltage power distribution cabinet |
| CN208589388U (en) * | 2018-09-03 | 2019-03-08 | 厦门大恒科技有限公司 | A kind of micro vacuum contact head mechanism |
| CN208738641U (en) * | 2018-09-06 | 2019-04-12 | 厦门斯玛特工贸有限公司 | Waterproof distribution cabinet body |
| CN109257580A (en) * | 2018-11-29 | 2019-01-22 | 陈二东 | A kind of electric power apparatus monitoring device |
| CN209786439U (en) * | 2019-05-26 | 2019-12-13 | 余姚市宏宇输变电工程有限公司舜能电气分公司 | Switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110137810A (en) | 2019-08-16 |
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