CN110706949A - Uninterrupted power conversion device for power distribution cabinet - Google Patents
Uninterrupted power conversion device for power distribution cabinet Download PDFInfo
- Publication number
- CN110706949A CN110706949A CN201910987112.3A CN201910987112A CN110706949A CN 110706949 A CN110706949 A CN 110706949A CN 201910987112 A CN201910987112 A CN 201910987112A CN 110706949 A CN110706949 A CN 110706949A
- Authority
- CN
- China
- Prior art keywords
- contact piece
- fixed contact
- group
- rotating
- power conversion
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000009826 distribution Methods 0.000 title claims abstract description 19
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000001052 transient effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/44—Contacts characterised by the manner in which co-operating contacts engage by sliding with resilient mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
- H01H5/10—Energy stored by deformation of elastic members by compression or extension of coil springs one end of spring being fixedly connected to the stationary or movable part of the switch and the other end reacting with a movable or stationary rigid member respectively through pins, cams, toothed or other shaped surfaces
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention belongs to the technical field of power engineering, and particularly relates to an uninterruptible power conversion device for a power distribution cabinet, which aims to solve the problems that the circuit components are easy to be impacted and even damaged under the condition that a transient open circuit occurs in the conventional conversion switch circuit. Comprises an outer shell; the middle part of the outer shell is axially connected with a group of rotating shafts; the rotating shaft is connected with a group of rotating contact discs in a sliding manner; the inside right side fixedly connected with three groups of the fixed contact piece of going up of shell body. The device compact structure is small and exquisite, can realize carrying out the power conversion under the circumstances of not cutting off the power supply, has improved the accuracy of operation, and the device has the automatic function of opening circuit simultaneously, appears emergency in the circuit and can realize automatic cutout, and protection circuit improves the security.
Description
Technical Field
The invention belongs to the technical field of power engineering, and particularly relates to an uninterruptible power conversion device for a power distribution cabinet.
Background
In the design of a power distribution cabinet, power is often required to be switched, and a power change-over switch is generally used for switching the power.
For example, application No.: CN201010175467.1 integrated power supply changeover switch, in which the separable parts are integrally formed, to reduce errors due to accumulated assembly tolerances and simplify the manufacturing process, improving the convenience of operation for the operator. The integrated power supply changeover switch includes: common power supply terminals or emergency power supply terminals respectively formed at upper portions of both sides of the integrated power supply changeover switch; a module including a load terminal formed at a lower portion of one side of the module to be spaced apart from a general power terminal or an emergency power terminal, the load terminal for supplying power supplied from the general power terminal or the emergency power terminal to an outside of the power conversion switch; and a movable contact selectively connected to a general power terminal or an emergency power terminal, the module being formed using an injection molding method, the side walls being integrally formed to electrically insulate between the power terminal connection part and the load terminal connection part so that there is no electrical contact between the power terminal connection part and the load terminal connection part. Based on the above, the existing change-over switch needs to be connected by cutting off the existing circuit and then switching the circuit, the situation of short circuit break can occur in the circuit in the process, the situation is not allowed in continuously operating equipment, and meanwhile, the short circuit break easily causes impact on circuit components and even damages the components and parts.
Disclosure of Invention
In order to solve the technical problems, the invention provides an uninterruptible power conversion device for a power distribution cabinet, which is used for solving the problems that the existing transfer switch needs to be disconnected firstly and then connected to be switched, the circuit is short-time broken in the process, the circuit is not allowed in continuously-operated equipment, and meanwhile, the short-time broken circuit easily causes impact on circuit components and even damages the components.
The invention relates to an uninterrupted power conversion device for a power distribution cabinet, which is realized by the following specific technical means:
an uninterruptible power conversion device for a power distribution cabinet comprises an outer shell; the middle part of the outer shell is axially connected with a group of rotating shafts; the rotating shaft is connected with a group of rotating contact discs in a sliding manner; the lower part of the inner side of the outer shell is fixedly connected with two groups of emergency circuit breaking devices; the left side inside the outer shell is fixedly connected with three groups of lower fixed contact pieces; the inside right side fixedly connected with three groups of the fixed contact piece of going up of shell body.
Furthermore, the lower fixed contact piece and the upper fixed contact piece are both of a fan-shaped structure, the lower fixed contact piece further comprises the input wiring terminal, and the outer sides of the lower fixed contact piece and the upper fixed contact piece are both fixedly connected with a group of input wiring terminals;
furthermore, the outer shell also comprises the output wiring terminals, three groups of the output wiring terminals are fixedly connected to the rear end face of the outer shell, the output wiring terminals are internally provided with spring clamping piece structures, and the wiring terminals are arranged on the outer sides of the output wiring terminals;
furthermore, the rotating shaft further comprises the spline and the tension springs, a group of tension springs is arranged at the bottom of the rotating shaft, one end of each tension spring is hinged to the outer shell, and the other end of each tension spring is eccentrically hinged to the rotating shaft;
furthermore, the rotary contact disc also comprises the spline holes, the rotary contact piece, the pushing piece and the return springs, a group of splines is arranged in the middle of the rotary shaft, a group of spline holes is arranged in the middle of the rotary contact disc, a group of return springs are arranged on the upper end surface and the lower end surface of the rotary contact disc, and the spline holes are in sliding connection with the splines;
furthermore, three groups of sector-shaped rotating contact pieces are arranged on the left side of the rotating contact disc, the size of each rotating contact piece is larger than that of the lower fixed contact piece and that of the upper fixed contact piece, the lower fixed contact piece is arranged on the lower plane of the rotating contact piece, the upper fixed contact piece is arranged on the upper plane of the rotating contact piece, the bottom of the rotating contact piece is in contact with the upper end face of the lower fixed contact piece when the rotating contact piece rotates to the left side, and the top of the rotating contact piece is in contact with the lower end face of the upper fixed contact piece when the rotating contact piece rotates to the right side;
furthermore, a spring clamping piece structure inside the output wiring terminal is connected with the rotating contact piece in a clamping manner;
furthermore, a group of pushing pieces are arranged at the bottom of the rotating contact disc, the positions of the pushing pieces are the same as those of the rotating contact sheet, the left group of emergency circuit breaking devices are arranged right above the pushing pieces, and the right group of emergency circuit breaking devices are arranged right below the pushing pieces;
furthermore, the emergency circuit-breaking device also comprises the electromagnet and the movable armature, a group of electromagnets is arranged at the bottom of the emergency circuit-breaking device, and a group of movable armatures is connected to the top of the emergency circuit-breaking device through a spring.
Compared with the prior art, the invention has the following beneficial effects:
the device compact structure is small and exquisite, can realize carrying out power conversion under the circumstances of not cutting off the power supply, through adopting the extension spring, guarantees to target in place at power conversion's in-process can the fast revolution, prevents to cause two sets of electric power on-time overlengths or the misoperation that does not rotate to the position to appear in the intermediate position stagnation, has improved the accuracy of operation, and the device has the automatic function of opening circuit simultaneously, and emergency appears in the circuit can realize automatic cutout, and protection circuit improves the security.
Drawings
FIG. 1 is a schematic axial side view of the present invention.
Fig. 2 is a rear axle side structural schematic of the present invention.
Fig. 3 is a schematic view of the internal axial side structure of the present invention.
FIG. 4 is a schematic view of the internal rear axial side structure of the present invention.
Fig. 5 is a schematic view of the structure of the rotating shaft of the present invention.
Fig. 6 is a schematic diagram of the side structure of the rotating contact disk of the present invention.
Fig. 7 is a schematic axial side view of the emergency circuit interrupting device of the present invention.
Fig. 8 is a schematic view of the structure of the upper and lower fixed contact pieces on the axial side of the present invention.
Fig. 9 is a schematic view of the upper and lower fixed contact mounting shaft side structure of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. an outer housing; 101. an output terminal; 2. a rotating shaft; 201. a spline; 202. a tension spring; 3. rotating the contact disc; 301. a splined bore; 302. rotating the contact sheet; 303. a push sheet; 304. a return spring; 4. an emergency disconnect device; 401. an electromagnet; 402. a movable armature; 5. a lower fixed contact piece; 501. an input connecting terminal; 6. and an upper fixed contact piece.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides an uninterrupted power conversion device for a power distribution cabinet, which comprises: an outer shell 1; the middle part of the outer shell 1 is axially connected with a group of rotating shafts 2; the rotating shaft 2 is connected with a group of rotating contact discs 3 in a sliding way; the lower part of the inner side of the outer shell 1 is fixedly connected with two groups of emergency circuit breakers 4; the left side inside the outer shell 1 is fixedly connected with three groups of lower fixed contact pieces 5; three sets of upper fixed contact pieces 6 are fixedly connected to the right side inside the outer shell 1.
The lower fixed contact piece 5 and the upper fixed contact piece 6 are both of a fan-shaped structure, the lower fixed contact piece 5 further comprises an input wiring terminal 501, the outer sides of the lower fixed contact piece 5 and the upper fixed contact piece 6 are fixedly connected with a group of input wiring terminals 501, and the input wiring terminals 501 are connected with a power supply line in use.
The outer shell 1 further comprises an output wiring terminal 101, the three groups of output wiring terminals 101 are fixedly connected to the rear end face of the outer shell 1, the inside of each output wiring terminal 101 is of a spring clip structure, and the outer side of each output wiring terminal is a wiring terminal which is connected with electric equipment through the output wiring terminal 101 in use.
The rotating shaft 2 further comprises a spline 201 and a tension spring 202, the bottom of the rotating shaft 2 is provided with a group of tension springs 202, one end of each tension spring 202 is hinged to the outer shell 1, and the other end of each tension spring is hinged to the rotating shaft 2 in an eccentric mode.
Wherein, it still includes splined hole 301 to rotate contact dish 3, rotate contact piece 302, promote piece 303, reset spring 304, the middle part of rotation axis 2 is provided with a set of spline 201, it is provided with a set of splined hole 301 to rotate contact dish 3 middle part, the up-and-down terminal surface that rotates contact dish 3 all is provided with a set of reset spring 304, splined hole 301 and spline 201 sliding connection, it keeps rotating contact dish 3 suitable position through splined hole 301 and rotation axis 2 sliding connection and through reset spring 304 to rotate contact dish 3.
The left side of the rotating contact disc 3 is provided with three groups of fan-shaped rotating contact pieces 302, the size of the rotating contact pieces 302 is larger than that of the lower fixed contact piece 5 and the upper fixed contact piece 6, the lower fixed contact piece 5 is arranged on the lower plane of the rotating contact piece 302, the upper fixed contact piece 6 is arranged on the upper plane of the rotating contact piece 302, the bottom of the rotating contact piece 302 is contacted with the upper end face of the lower fixed contact piece 5 when the rotating contact piece 302 rotates to the left side, and the top of the rotating contact piece 302 is contacted with the lower end face of the upper fixed contact piece 6 when the rotating contact piece 302 rotates to the right side, so that the purpose of power.
Wherein, the inside spring clamping piece structure of output terminal 101 is connected with the clamp of rotation contact piece 302, realizes output terminal 101 and the good connection of rotation contact piece 302 in use, and in the gliding in-process about rotating contact dish 3, guarantee that output terminal 101 can have certain deformability and realize rotating contact dish 3's gliding from top to bottom.
Wherein, the bottom of the rotating contact disc 3 is provided with a group of pushing sheets 303, the positions of the pushing sheets 303 are the same as the positions of the rotating contact sheets 302, the group of emergency breaking devices 4 on the left side is arranged right above the pushing sheets 303, and the group of emergency breaking devices 4 on the right side is arranged right below the pushing sheets 303.
The emergency circuit-breaking device 4 further comprises an electromagnet 401 and a movable armature 402, a group of electromagnets 401 is arranged at the bottom of the emergency circuit-breaking device 4, the top of the emergency circuit-breaking device 4 is connected with the group of movable armatures 402 through a spring, the movable armatures 402 are attracted by the electromagnet 401 through magnetic force in use, when the circuit is in a state, the electromagnet 401 is powered off, the movable armatures 402 are ejected out under the action of the elastic force of the spring, the push sheet 303 is pushed, the rotary contact disc 3 slides downwards or upwards, the rotary contact disc 3 is separated from the lower fixed contact piece 5 or the upper fixed contact piece 6 to achieve a circuit-breaking function, and electricity is protected.
When in use: when the rotary contact disc 3 rotates to the position, the rotary contact disc 302 is separated from the lower fixed contact piece 5, and the output connecting terminal 101 is always contacted with the rotary contact piece 302 in the process; when an emergency occurs, the electromagnet 401 loses power, the movable armature 402 is ejected under the action of the spring, the pushing sheet 303 is pushed, the rotating contact disc 3 slides downwards or upwards, and the rotating contact disc 3 is separated from the lower fixed contact piece 5 or the upper fixed contact piece 6 to break the circuit.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (9)
1. An uninterrupted power conversion device for a power distribution cabinet is characterized in that: the uninterrupted power conversion device for the power distribution cabinet comprises: an outer casing (1); the middle part of the outer shell (1) is axially connected with a group of rotating shafts (2); the rotating shaft (2) is connected with a group of rotating contact discs (3) in a sliding manner; the lower part of the inner side of the outer shell (1) is fixedly connected with two groups of emergency circuit breaking devices (4); the left side in the outer shell (1) is fixedly connected with three groups of lower fixed contact pieces (5); the right side of the inside of the outer shell (1) is fixedly connected with three groups of upper fixed contact pieces (6).
2. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: the lower fixed contact piece (5) and the upper fixed contact piece (6) are both fan-shaped structures, the lower fixed contact piece (5) further comprises an input wiring terminal (501), and the outer sides of the lower fixed contact piece (5) and the upper fixed contact piece (6) are fixedly connected with a group of input wiring terminals (501).
3. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: the outer shell (1) is characterized in that the output wiring terminal (101) is further included, three groups of the output wiring terminal (101) are fixedly connected to the rear end face of the outer shell (1), the output wiring terminal (101) is internally provided with a spring clamping piece structure, and the outer side of the output wiring terminal is provided with a wiring terminal.
4. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: the rotating shaft (2) is further provided with the spline (201), the tension spring (202), the bottom of the rotating shaft (2) is provided with a group of tension spring (202), one end of the tension spring (202) is hinged to the outer shell (1), and one end of the tension spring is hinged to the rotating shaft (2) in an eccentric mode.
5. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: rotate contact dish (3) still including splined hole (301) rotate contact piece (302) promote piece (303) reset spring (304), the middle part of rotation axis (2) is provided with a set of spline (201), it is provided with a set of to rotate contact dish (3) middle part spline hole (301), the upper and lower terminal surface that rotates contact dish (3) all is provided with a set of reset spring (304), spline hole (301) with spline (201) sliding connection.
6. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: rotate contact dish (3) left side and be provided with three fan-shaped rotating contact piece (302) of group, just rotating contact piece (302) size is greater than down fixed contact piece (5) with go up the size of fixed contact piece (6), down fixed contact piece (5) set up rotate on the lower part plane of contact piece (302), it sets up to go up fixed contact piece (6) rotate the upper portion plane of contact piece (302), work as when rotating contact piece (302) rotates the left side the bottom of rotating contact piece (302) with the up end contact of lower fixed contact piece (5), work as when rotating contact piece (302) rotates the right side the top of rotating contact piece (302) with the end face contact under last fixed contact piece (6).
7. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: and a spring clamping piece structure inside the output wiring terminal (101) is in clamping connection with the rotating contact piece (302).
8. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: the bottom of the rotary contact disc (3) is provided with a group of pushing pieces (303), the positions of the pushing pieces (303) are the same as those of the rotary contact pieces (302), the group of emergency circuit breaking devices (4) on the left side are arranged right above the pushing pieces (303), and the group of emergency circuit breaking devices (4) on the right side are arranged right below the pushing pieces (303).
9. The uninterruptible power conversion apparatus for power distribution cabinets of claim 1, wherein: the emergency circuit-breaking device (4) further comprises the electromagnet (401) and the movable armature (402), a group of electromagnets (401) is arranged at the bottom of the emergency circuit-breaking device (4), and a group of movable armatures (402) is connected to the top of the emergency circuit-breaking device (4) through springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987112.3A CN110706949B (en) | 2019-10-17 | 2019-10-17 | Uninterrupted power conversion device for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987112.3A CN110706949B (en) | 2019-10-17 | 2019-10-17 | Uninterrupted power conversion device for power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110706949A true CN110706949A (en) | 2020-01-17 |
| CN110706949B CN110706949B (en) | 2021-06-18 |
Family
ID=69200363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910987112.3A Active CN110706949B (en) | 2019-10-17 | 2019-10-17 | Uninterrupted power conversion device for power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110706949B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090250483A1 (en) * | 2008-04-08 | 2009-10-08 | Yong Woo Lee | Electromotion type automatic clip-ejecting apparatus |
| CN201393078Y (en) * | 2009-03-24 | 2010-01-27 | 深圳市捷益达电子有限公司 | Uninterrupted power supply |
| CN204067757U (en) * | 2014-07-09 | 2014-12-31 | 电连精密技术有限公司 | Signal switching connector |
| CN104779085A (en) * | 2015-02-17 | 2015-07-15 | 任宏宇 | Wheel type dish-shaped movable contact piece and switching and bridging mechanism thereof assembly |
| CN204614720U (en) * | 2015-04-21 | 2015-09-02 | 东莞福哥电子有限公司 | A kind of continuous output device of rotation of belt switch function |
| CN105632800A (en) * | 2015-12-31 | 2016-06-01 | 上海浦核科技有限公司 | Lip-tongue type shift switching member and lip-tongue type change-over switch |
| CN106169392A (en) * | 2016-05-27 | 2016-11-30 | 宁波安德奥电力设备有限公司 | Vacuum shunting switch |
| CN206226407U (en) * | 2016-11-30 | 2017-06-06 | 北京北广科技股份有限公司 | One kind switching switch |
| CN206301684U (en) * | 2016-12-29 | 2017-07-04 | 上海吴淞电气实业有限公司 | A kind of threephase potential transformer with disconnecting switch |
| CN207426961U (en) * | 2017-11-23 | 2018-05-29 | 天津优能云智电力技术有限公司 | A kind of electric power converter used for wind power generation |
| CN208369457U (en) * | 2018-04-27 | 2019-01-11 | 国网安徽省电力有限公司滁州供电公司 | A kind of electric power converter used for wind power generation |
| CN209169014U (en) * | 2019-02-12 | 2019-07-26 | 张崇阳 | A kind of electric power locomotive combined switch device |
-
2019
- 2019-10-17 CN CN201910987112.3A patent/CN110706949B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090250483A1 (en) * | 2008-04-08 | 2009-10-08 | Yong Woo Lee | Electromotion type automatic clip-ejecting apparatus |
| CN201393078Y (en) * | 2009-03-24 | 2010-01-27 | 深圳市捷益达电子有限公司 | Uninterrupted power supply |
| CN204067757U (en) * | 2014-07-09 | 2014-12-31 | 电连精密技术有限公司 | Signal switching connector |
| CN104779085A (en) * | 2015-02-17 | 2015-07-15 | 任宏宇 | Wheel type dish-shaped movable contact piece and switching and bridging mechanism thereof assembly |
| CN204614720U (en) * | 2015-04-21 | 2015-09-02 | 东莞福哥电子有限公司 | A kind of continuous output device of rotation of belt switch function |
| CN105632800A (en) * | 2015-12-31 | 2016-06-01 | 上海浦核科技有限公司 | Lip-tongue type shift switching member and lip-tongue type change-over switch |
| CN106169392A (en) * | 2016-05-27 | 2016-11-30 | 宁波安德奥电力设备有限公司 | Vacuum shunting switch |
| CN206226407U (en) * | 2016-11-30 | 2017-06-06 | 北京北广科技股份有限公司 | One kind switching switch |
| CN206301684U (en) * | 2016-12-29 | 2017-07-04 | 上海吴淞电气实业有限公司 | A kind of threephase potential transformer with disconnecting switch |
| CN207426961U (en) * | 2017-11-23 | 2018-05-29 | 天津优能云智电力技术有限公司 | A kind of electric power converter used for wind power generation |
| CN208369457U (en) * | 2018-04-27 | 2019-01-11 | 国网安徽省电力有限公司滁州供电公司 | A kind of electric power converter used for wind power generation |
| CN209169014U (en) * | 2019-02-12 | 2019-07-26 | 张崇阳 | A kind of electric power locomotive combined switch device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110706949B (en) | 2021-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9184010B2 (en) | Rapid tri-state bidirectional switching device | |
| CN102592879B (en) | Switch unit and switchgear | |
| CN202018932U (en) | Double-breakpoint universal breaker | |
| WO2016064482A1 (en) | Electrical switching apparatus and transmission assembly therefor | |
| EP2485229B1 (en) | Flexible shunt for vacuum circuit breaker | |
| CN110706949B (en) | Uninterrupted power conversion device for power distribution cabinet | |
| EP2892068B1 (en) | Transfer switch appliance | |
| CN219958848U (en) | Power distribution system | |
| CN201117996Y (en) | Coaxial connector with switch | |
| CN101208764B (en) | Modular switching equipment | |
| CN221747035U (en) | Contact structure, pole unit, change-over switch, low-voltage switch and distribution equipment | |
| CN110911221A (en) | Energy storage closing operation mechanism | |
| CN201780900U (en) | Rotary make-and-break mechanism with arc extinguishing function | |
| CN211907313U (en) | Fuse type isolating switch | |
| CN110739194A (en) | Circuit breaker testing device and circuit breaker with same | |
| CN215417983U (en) | Modular isolator fuse group | |
| CN116487207B (en) | Clapping type dual-power rapid transfer switch | |
| CN219457509U (en) | Residual current operated circuit breaker | |
| CN202049917U (en) | Universal circuit breaker movable contact device capable of avoiding arc discharge | |
| CN218769312U (en) | Auxiliary contact module of contactor | |
| CN212750756U (en) | Circuit breaker with function of detecting breaking state | |
| CN217655813U (en) | Operation device of isolating switch | |
| CN220984365U (en) | Automatic transfer switch electric appliance and contact system thereof | |
| CN110942947B (en) | Operating mechanism and switch cabinet with same | |
| CN212967556U (en) | High temperature resistant type circuit breaker shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210528 Address after: Room 433, building 7, 855 Pinghai Road, Situan Town, Fengxian District, Shanghai 201100 Applicant after: Kaxin Electronic Technology (Shanghai) Co.,Ltd. Address before: 312400 No.3, Anping East Road, Shengzhou City, Shaoxing City, Zhejiang Province Applicant before: Feng Shuai |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |