CN113708224A - High-efficient current-limiting distribution switch that distribution terminal used - Google Patents
High-efficient current-limiting distribution switch that distribution terminal used Download PDFInfo
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- CN113708224A CN113708224A CN202111258861.6A CN202111258861A CN113708224A CN 113708224 A CN113708224 A CN 113708224A CN 202111258861 A CN202111258861 A CN 202111258861A CN 113708224 A CN113708224 A CN 113708224A
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- switch
- power distribution
- main switch
- current limiting
- limiting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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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
- 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
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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
- H02B1/14—Shutters or guards for preventing access to contacts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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Abstract
The invention discloses a high-efficiency current-limiting power distribution switch for a power distribution terminal, relates to the technical field of power distribution switches, and solves the problems that the existing power distribution switch cannot prevent illegal operation of electricians, and cannot effectively inhibit electric shock accidents due to disconnection, maintenance and replacement of the switch under the condition of no power outage. A high-efficiency current-limiting power distribution switch for a power distribution terminal comprises a main switch; the main switch is larger in size and is arranged in the middle of the upper half part of the electric box back plate in a locking mode, three current limiting switches are in conductive connection with the main switch through cables, and two swinging cover plates are symmetrically and rotatably arranged at the front side positions of the upper end and the lower end of each current limiting switch; the main switch comprises six-edge vertical supporting shafts, and the left side and the right side of the main switch are symmetrically and fixedly provided with two six-edge vertical supporting shafts. All the swinging cover plates can be driven in a linkage manner by utilizing the up-and-down shifting force of the shifting handle of the main switch, the trouble of manually rotating the swinging cover plates of the switch additionally is saved, and the use is convenient, labor-saving and rapid.
Description
Technical Field
The invention relates to the technical field of distribution switches, in particular to a high-efficiency current-limiting distribution switch for a distribution terminal.
Background
The switch power distribution cabinet is one type of power distribution terminal, firstly enters a main control switch in the cabinet through an external line, then enters a branch control switch, each side switch is arranged according to the requirement, and a matched current-limiting power distribution switch is often needed in the power distribution terminal, particularly an electrical cabinet (box).
The existing power distribution switch mostly needs electrician personnel to additionally manually operate the switch to shield the cover plate when the switch is replaced and the wire is disconnected in order to avoid the accident of electric shock caused by mistake during the night operation, the operation is troublesome and inconvenient, the illegal operation of the electrician personnel can not be prevented, the disconnection maintenance and the replacement of the switch can not be realized under the condition of no power outage, and the occurrence of the electric shock accident can not be effectively inhibited.
Disclosure of Invention
The invention aims to provide a high-efficiency current-limiting power distribution switch for a power distribution terminal, which aims to solve the problems that the prior art can not prevent illegal operation of electricians, can not effectively inhibit electric shock accidents because disconnection maintenance and replacement are carried out on the switch under the condition of no power outage.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency current-limiting power distribution switch for a power distribution terminal comprises a main switch; the main switch is larger in size and is arranged in the middle of the upper half part of the electric box back plate in a locking mode, and the main switch is connected with an external power supply; a current limiting switch; the three current-limiting switches are arranged on the lower half part of the electric box back plate in an equidistance interval locking manner, are in conductive connection with the main switch through cables, and are symmetrically and rotatably provided with two swinging cover plates at the front positions of the upper end and the lower end of the current-limiting switches; the main switch comprises a hexagonal vertical supporting shaft, two hexagonal vertical supporting shafts are symmetrically and fixedly arranged on the left side and the right side of the main switch, and two poking rods are slidably sleeved on the two hexagonal vertical supporting shafts; a row of tooth sheets are arranged on the upper end section and the lower end section of the vertical rack, the two rows of tooth sheets are correspondingly meshed with upper driven gears and lower driven gears on the current-limiting switches for transmission, and the vertical rack can be meshed with the upper driven gears and the lower driven gears in a sliding manner up and down to control swing cover plates on three current-limiting switches to be opened and closed; the stabbing rod comprises sliding sleeves, two sliding sleeves are fixedly welded on the rear sides of the top end sections of the two stabbing rods, the two sliding sleeves are correspondingly in sliding fit with the two hexagonal vertical support shafts, and the tail ends of the two connecting rods are correspondingly connected with the two sliding sleeves in a rotating mode; the vertical rack comprises L-shaped stress rods, one L-shaped stress rod is welded and supported at the rear side of the middle section of the vertical rack, and the bottom sections of the two poking rods slide downwards to be in pushing contact with the two L-shaped stress rods arranged on the middle current-limiting switch; the current-limiting switch comprises vertical support positioning shafts, two groups of vertical support positioning shafts are symmetrically fixed on the left side and the right side of the current-limiting switch, two vertical racks are sleeved on the two groups of vertical support positioning shafts in a sliding mode through spring pushing, and an upper swinging cover plate and a lower swinging cover plate on the three current-limiting switches are in shaft connection transmission through six transmission shafts at four positions; the main switch comprises a cross-brace shaft lever, and two cross-brace shaft levers are symmetrically fixed on a toggle handle of the main switch; the head ends of the two cross-brace shaft levers are rotatably connected with one connecting rod; the main switch comprises a strip-shaped cover plate, and three wiring grooves at the top end of the main switch are tightly covered with one strip-shaped cover plate through a left pressing lock catch and a right pressing lock catch; a swinging cover plate is also rotatably arranged at the front side position of the bottom of the main switch, and the swinging cover plate is rotatably covered on the main switch and the wiring grooves of the current limiting switch; the swing cover plate comprises driven gears, the left end and the right end of a rotating shaft of the swing cover plate are symmetrically welded with the two driven gears, a hexagonal slot is concavely formed in the center of the outer side of the driven gear installed on the current limiting switch, and the hexagonal slot provides convenience for inserting and installing a hexagonal transmission shaft; the top end sections of the two poking rods are provided with a row of tooth sheets which are correspondingly meshed with the left driven gear and the right driven gear on the main switch for transmission, and the two poking rods can slide up and down and can be meshed with each other to drive the two driven gears on the main switch to rotate forwards and backwards to control the swinging cover plate on the bottom position of the main switch to swing and open; the left end and the right end of the hexagonal transmission shaft are correspondingly matched with hexagonal slots on the left driven gear and the right driven gear which are adjacent, and the power transmission of the hexagonal transmission shaft at four positions can drive the upper swinging cover plate and the lower swinging cover plate on the three current-limiting switches to be synchronously opened and closed, so that the trouble of sequentially opening and closing the six swinging cover plates is saved.
Compared with the prior art, the invention has the beneficial effects that: 1. the invention can synchronously drive the upper and lower six swinging cover plates on the three current-limiting switches to open and close through the power transmission of the four six-edge transmission shafts, thus saving the trouble of sequentially opening and closing the six swinging cover plates; 2. all the swinging cover plates can be driven in a linkage manner by utilizing the up-and-down shifting force of the shifting handle of the main switch, so that the trouble of manually rotating the swinging cover plates of the switch in an additional way is saved, and the use is convenient, labor-saving and rapid; 3. the main switch is a main switch of the power supply of the whole electric box, the wiring groove at the top end of the main switch is always electrified, the strip-shaped cover plate is always fixedly covered on the wiring groove at the top end of the main switch, so that the phenomenon that a person is touched by mistake to shock electricity when operating the main switch can be avoided, the swinging cover plate can cover the main switch and the wiring grooves on the current limiting switch, the probability that the operating switch is touched by mistake to shock electricity under the condition of lack of illumination at night is avoided, and the use safety of the switch is greatly improved; 4. the invention can ensure that all the swinging cover plates can be turned over and opened to implement normal wire dismounting after the main switch is forced to be closed and cut off current when the wire dismounting and connection of the wire outlet end of the main switch and the three current limiting switches are carried out, thereby effectively avoiding the uninterrupted operation of an electrician against safety regulations when the electrician maintains the switch to replace the wire dismounting and connection, and greatly reducing the occurrence of electric shock accidents when the switch is maintained to dismount and connection.
Drawings
FIG. 1 is a schematic view of the present invention in an installed and used state;
FIG. 2 is a schematic view of the switch lock installation of the present invention;
FIG. 3 is a schematic diagram of the back structure of the switch of the present invention;
FIG. 4 is a schematic view of the construction of the poke bar of the present invention;
FIG. 5 is a schematic diagram of a current limiting switch according to the present invention;
FIG. 6 is a schematic diagram of a back structure of a current limiting switch according to the present invention;
FIG. 7 is a schematic view of a vertical rack configuration of the present invention;
FIG. 8 is a schematic view of a swing cover according to the present invention;
FIG. 9 is a schematic view of the sliding mounting of two poking rods of the present invention;
FIG. 10 is a drive relationship diagram of the present invention;
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main switch; 101. a hexagonal vertical supporting shaft; 102. a cross-brace shaft lever; 103. a connecting rod; 104. a strip-shaped cover plate; 2. a current limiting switch; 201. a vertical supporting positioning shaft; 3. swinging the cover plate; 301. a driven gear; 4. a poke rod; 401. a sliding sleeve; 5. a hexagonal transmission shaft; 6. a vertical rack; 601. l-shaped stress rods.
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.
Referring to fig. 1 to 8, according to a first embodiment of the present invention: a high-efficiency current-limiting power distribution switch for a power distribution terminal comprises a main switch 1; the main switch 1 is larger in size and is arranged in the middle of the upper half part of the electric box back plate in a locking mode, and the main switch 1 is connected with an external power supply; the main switch 1 comprises a cross-brace shaft lever 102, and two cross-brace shaft levers 102 are symmetrically fixed on a toggle handle of the main switch 1; the head ends of the two cross-brace shaft levers 102 are rotatably connected with one connecting rod 103; the main switch 1 comprises a strip-shaped cover plate 104, the three wiring grooves at the top end of the main switch 1 are tightly covered with the strip-shaped cover plate 104 through a left pressing lock catch and a right pressing lock catch, the main switch 1 is a main switch of the whole electric box power supply, the wiring grooves at the top end of the main switch are always electrified, and the strip-shaped cover plate 104 is always fixedly covered on the wiring grooves at the top end of the main switch 1, so that the phenomenon that a person is touched by mistake to shock when operating the main switch 1 can be avoided;
the swing cover plate 3 is also rotatably arranged at the front side of the bottom of the main switch 1, the swing cover plate 3 swings and covers the wiring grooves of the main switch 1 and the current limiting switch 2, and the swing cover plate 3 can cover the wiring grooves of the main switch 1 and the current limiting switch 2, so that the probability of electric shock caused by mistaken touch of an operation switch under the condition of lack of illumination at night is avoided, and the use safety of the switch is greatly improved; a current limiting switch 2; the three current-limiting switches 2 are arranged on the lower half part of the electric box back plate in an equidistance interval locking mode, the three current-limiting switches 2 are in conductive connection with the main switch 1 through cables, and two swinging cover plates 3 are symmetrically and rotatably arranged on the front side positions of the upper end and the lower end of each current-limiting switch 2; the main switch 1 comprises a hexagonal vertical support shaft 101, two hexagonal vertical support shafts 101 are symmetrically and fixedly arranged on the left side and the right side of the main switch 1, and two poking rods 4 are slidably sleeved on the two hexagonal vertical support shafts 101; the current-limiting switch 2 comprises vertical support positioning shafts 201, two groups of vertical support positioning shafts 201 are symmetrically fixed on the left side and the right side of the current-limiting switch 2, two vertical racks 6 are slidably sleeved on the two groups of vertical support positioning shafts 201 through spring pushing, and upper and lower six swinging cover plates 3 on three current-limiting switches 2 are in shaft connection transmission through four hexagonal transmission shafts 5; the swing cover plate 3 comprises driven gears 301, the left end and the right end of a rotating shaft of the swing cover plate 3 are symmetrically welded with the driven gears 301, and a hexagonal slot is concavely formed in the center of the outer side of the driven gear 301 mounted on the current-limiting switch 2.
Furthermore, the top end sections of the two poking rods 4 are provided with a row of tooth sheets, and the two rows of tooth sheets are correspondingly meshed with the left driven gear 301 and the right driven gear 301 on the main switch 1 for transmission; the left end and the right end of the hexagonal transmission shaft 5 are correspondingly matched with hexagonal slots on the left driven gear 301 and the right driven gear 301 at two adjacent positions in an inserting manner; the upper end section and the lower end section of the vertical rack 6 are both provided with a row of tooth sheets, and the two rows of tooth sheets are correspondingly meshed with the upper driven gear 301 and the lower driven gear 301 on the current-limiting switch 2 for transmission.
Referring to fig. 9, the second embodiment of the present invention: a high-efficiency current-limiting power distribution switch for a power distribution terminal comprises a poking rod 4, wherein the poking rod 4 comprises sliding sleeves 401, two sliding sleeves 401 are welded and fixed at the rear sides of the top end sections of the two poking rods 4, the two sliding sleeves 401 are correspondingly matched with two six-edge vertical supporting shafts 101 in a sliding mode, the tail ends of two connecting rods 103 are correspondingly connected with the two sliding sleeves 401 in a rotating mode, the two connecting rods 103, the two sliding sleeves 401, the two poking rods 4 and two cross supporting shaft rods 102 are jointly connected to form a double-crank sliding rod mechanism, through the double-crank sliding rod mechanism, a toggle handle of a main switch 1 can push and drive the two poking rods 4 to slide up and down to control a swing cover plate 3 on the main switch 1 to turn over and open and close in a linked mode when the on-off switching of current by swinging up and down, and can push and contact with two L-shaped stress rods 601 and push and drive two middle vertical racks 6 to slide down along with continuous sliding down of the two poking rods 4, and a driving force for providing a synchronous turning cover plate for six swing 3 on three current-limiting switches 2, furthermore, all the swinging cover plates 3 can be driven in a linkage manner by utilizing the vertical shifting force of the shifting handle of the main switch 1, so that the trouble of manually rotating the swinging cover plates 3 by extra hands is saved, and the use is convenient, labor-saving and rapid.
Referring to fig. 10, a third embodiment of the present invention: a high-efficiency current-limiting power distribution switch for a power distribution terminal comprises a vertical rack 6 comprising an L-shaped stress rod 601, wherein one L-shaped stress rod 601 is welded and supported at the rear side of the middle section of the vertical rack 6, bottom sections of two poking rods 4 slide down to be in pushing contact with the two L-shaped stress rods 601 arranged on a middle current-limiting switch 2, when a toggle handle of a main switch 1 is in an upwarping state, all switches are in a power-on state, all swinging cover plates 3 can be meshed and driven to be placed in a drooping closed state to shield a wiring groove to avoid error contact, when the toggle handle of the main switch 1 is in a downward tilting state, all swinging cover plates 3 can be meshed and driven to be placed in a horizontal open using state by pushing the sliding down, the operation of disconnecting and connecting wires of cables is facilitated, and the invention can ensure that the main switch 1 must be forcibly closed and cut off when the wire-out end and the three current-limiting switches 2 of the main switch 1 are disconnected After the outage, all swing apron 3 just can be opened by the upset and implement normal wiring of tearing open, and this can effectively avoid electrician's personnel to violate the operation of not having a power failure of safety regulation when maintaining to change the wiring of tearing open the switch, reduces the emergence of electrocute accident when maintaining the wiring of tearing open the switch greatly.
The working principle is as follows: the two connecting rods 103, the two sliding sleeves 401, the two poking rods 4 and the two cross-brace shaft rods 102 are jointly connected to form a double-crank sliding rod mechanism, through the mechanism, a toggle handle of the main switch 1 can push and drive the two poking rods 4 to slide up and down to control the swing cover plate 3 on the main switch 1 to turn over and open and close when the poking handle is swung up and down to switch on and off the current, and along with the continuous sliding of the two poking rods 4, the poking handle can be in pushing contact with the two L-shaped stress rods 601 and push and drive the middle two vertical racks 6 to slide down, so that a driving force for synchronously turning and opening and closing is provided for the six swing cover plates 3 on the three current limiting switches 2;
when the toggle handle of main switch 1 is in the upwarp state, when all switches are in the on state, all swing apron 3 can be driven by the meshing and arrange in flagging closed state and implement to shelter from to avoid the mistake to touch to the wiring groove, and the toggle handle when main switch 1 is in the downward sloping state, and when all switches were in the outage state, two punishment poles 4 can be pushed away and drive the gliding and order about the user state of arranging in the level and opening with all swing apron 3 meshing, conveniently implement the operation of taking out stitches a separate stitches to the cable.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a high-efficient current-limiting distribution switch that distribution terminal used which characterized in that: a current limiting power distribution switch comprising: a main switch (1); the main switch (1) is large in size and is arranged in the middle of the upper half part of the electric box back plate in a locking mode, and the main switch (1) is connected to an external power supply; a current limiting switch (2); the three current-limiting switches (2) are arranged on the lower half part of the electric box back plate in a locking mode at equal intervals, the three current-limiting switches (2) are in conductive connection with the main switch (1) through cables, and two swinging cover plates (3) are symmetrically and rotatably arranged on the front side positions of the upper end and the lower end of each current-limiting switch (2); the main switch (1) comprises six-edge vertical supporting shafts (101), the left side and the right side of the main switch (1) are symmetrically and fixedly provided with two six-edge vertical supporting shafts (101), and the two poking rods (4) are slidably sleeved on the two six-edge vertical supporting shafts (101); the current limiting switch (2) comprises vertical support positioning shafts (201), two groups of vertical support positioning shafts (201) are symmetrically fixed on the left side and the right side of the current limiting switch (2), two vertical racks (6) are slidably sleeved on the two groups of vertical support positioning shafts (201) through spring pushing, and upper and lower six swinging cover plates (3) on the three current limiting switches (2) are in shaft connection transmission through four six-edge transmission shafts (5).
2. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: the main switch (1) comprises a cross-support shaft lever (102), wherein two cross-support shaft levers (102) are symmetrically fixed on a toggle handle of the main switch (1); the head ends of the two cross-brace shaft levers (102) are both rotatably connected with one connecting rod (103).
3. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: the main switch (1) comprises a strip-shaped cover plate (104), and the strip-shaped cover plate (104) is covered on three wiring grooves at the top end of the main switch (1) in a tightening manner through a left pressing lock catch and a right pressing lock catch.
4. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: the bottom front side position of main switch (1) also rotates and installs a swing apron (3), and swing apron (3) swing cover on the wiring groove of main switch (1) and current-limiting switch (2).
5. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: swing apron (3) include driven gear (301), swing apron (3) pivot about both ends symmetrical welding have two driven gear (301), wherein the outside center department indent of driven gear (301) of installing on current limiting switch (2) has seted up a hexagonal slot.
6. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: the top end sections of the two poking rods (4) are provided with a row of tooth sheets, and the two rows of tooth sheets are correspondingly meshed with the left driven gear (301) and the right driven gear (301) on the main switch (1) for transmission.
7. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: the left end and the right end of the hexagonal transmission shaft (5) are correspondingly matched with hexagonal slots on the left driven gear and the right driven gear (301) at two adjacent positions in an inserting manner.
8. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: the upper end section and the lower end section of the vertical rack (6) are respectively provided with a row of tooth sheets, and the two rows of tooth sheets are correspondingly meshed with the upper driven gear (301) and the lower driven gear (301) on the current limiting switch (2) for transmission.
9. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: the stabbing rod (4) comprises sliding sleeves (401), two sliding sleeves (401) are fixedly welded on the rear sides of the top end sections of the two stabbing rods (4), the two sliding sleeves (401) are correspondingly in sliding fit with the two six-edge vertical supporting shafts (101), and the tail ends of the two connecting rods (103) are correspondingly connected with the two sliding sleeves (401) in a rotating mode.
10. A high efficiency current limiting power distribution switch for a power distribution terminal as defined in claim 1, wherein: vertical rack (6) are including L form atress pole (601), the rear side welded support of vertical rack (6) interlude has one department L form atress pole (601), and two punishment bottom section gliding and install two department L form atress poles (601) of middle current limiting switch (2) and push away the contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111258861.6A CN113708224B (en) | 2021-10-28 | 2021-10-28 | High-efficient current-limiting distribution switch that distribution terminal used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111258861.6A CN113708224B (en) | 2021-10-28 | 2021-10-28 | High-efficient current-limiting distribution switch that distribution terminal used |
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| Publication Number | Publication Date |
|---|---|
| CN113708224A true CN113708224A (en) | 2021-11-26 |
| CN113708224B CN113708224B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111258861.6A Active CN113708224B (en) | 2021-10-28 | 2021-10-28 | High-efficient current-limiting distribution switch that distribution terminal used |
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| CN (1) | CN113708224B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927963A (en) * | 2022-05-09 | 2022-08-19 | 苏州明捷精密机械有限公司 | Power distribution cabinet panel with locking mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681034A (en) * | 2013-12-31 | 2014-03-26 | 北京双杰电气股份有限公司 | Ring main unit |
| CN104078642A (en) * | 2014-05-21 | 2014-10-01 | 宁波如意股份有限公司 | Anti-explosion power supply device of electric vehicle |
| CN204668740U (en) * | 2015-06-04 | 2015-09-23 | 北京昊创瑞通电气设备有限公司 | A kind of two on-load switch incoming line cabinet |
| CN105332735A (en) * | 2014-08-11 | 2016-02-17 | 山西全安新技术开发有限公司 | System and method for preventing live working and gas explosion in coal mine |
| CN207572958U (en) * | 2017-12-23 | 2018-07-03 | 珠海浩云电气有限公司 | A kind of power distribution cabinet temperature protection system |
| CN207966791U (en) * | 2018-03-23 | 2018-10-12 | 四川汉舟电气股份有限公司 | A kind of switch wire connection protective cover of interlocking |
| CN212810118U (en) * | 2020-08-19 | 2021-03-26 | 龚雪东 | Double-power switch interlocking mechanism |
| CN214013569U (en) * | 2020-12-25 | 2021-08-20 | 南京林业大学 | Be used for indoor pleasing to eye formula touch-proof electric brake box |
-
2021
- 2021-10-28 CN CN202111258861.6A patent/CN113708224B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681034A (en) * | 2013-12-31 | 2014-03-26 | 北京双杰电气股份有限公司 | Ring main unit |
| CN104078642A (en) * | 2014-05-21 | 2014-10-01 | 宁波如意股份有限公司 | Anti-explosion power supply device of electric vehicle |
| CN105332735A (en) * | 2014-08-11 | 2016-02-17 | 山西全安新技术开发有限公司 | System and method for preventing live working and gas explosion in coal mine |
| CN204668740U (en) * | 2015-06-04 | 2015-09-23 | 北京昊创瑞通电气设备有限公司 | A kind of two on-load switch incoming line cabinet |
| CN207572958U (en) * | 2017-12-23 | 2018-07-03 | 珠海浩云电气有限公司 | A kind of power distribution cabinet temperature protection system |
| CN207966791U (en) * | 2018-03-23 | 2018-10-12 | 四川汉舟电气股份有限公司 | A kind of switch wire connection protective cover of interlocking |
| CN212810118U (en) * | 2020-08-19 | 2021-03-26 | 龚雪东 | Double-power switch interlocking mechanism |
| CN214013569U (en) * | 2020-12-25 | 2021-08-20 | 南京林业大学 | Be used for indoor pleasing to eye formula touch-proof electric brake box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927963A (en) * | 2022-05-09 | 2022-08-19 | 苏州明捷精密机械有限公司 | Power distribution cabinet panel with locking mechanism |
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| Publication number | Publication date |
|---|---|
| CN113708224B (en) | 2022-03-18 |
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