CN205069484U - Disconnector for transformer - Google Patents
Disconnector for transformer Download PDFInfo
- Publication number
- CN205069484U CN205069484U CN201520866990.7U CN201520866990U CN205069484U CN 205069484 U CN205069484 U CN 205069484U CN 201520866990 U CN201520866990 U CN 201520866990U CN 205069484 U CN205069484 U CN 205069484U
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- China
- Prior art keywords
- connecting rod
- insulator
- transformer
- electrode
- top board
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- Expired - Fee Related
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Abstract
The utility model discloses a disconnector for transformer, including support frame, roof, horizontal backup pad and vertical supporting plates, the top left end of roof is equipped with the connecting rod, and the top of connecting rod installs and connect the sudden strain of a muscle syringe needle, connect the lower extreme that dodges the syringe needle to be equipped with the insulating ware of preventing dodging, the end of mounting panel is equipped with the stationary contact, the bottom of support frame is equipped with controller and telescopic link, be equipped with the base in the horizontal backup pad, the top of insulator is equipped with the movable contact, the lower part of insulator is equipped with the connection copper bar, the top of first bracing piece is equipped with the float electrode connecting rod, and the lower extreme of float electrode connecting rod is equipped with telluric electricity field, and the side of fixed plate is equipped with current transformer, and the device passes through to form discharge gap between telluric electricity field and the wiring electrode, not only can the lightning protection hit, enables still that transformer discharge voltage rate of accuracy is high, the dispersibility is little, small, the installation and debugging of being convenient for, and the reliability is high.
Description
Technical field
The utility model relates to transformer technology field, is specially a kind of transformer isolating switch.
Background technology
Isolating switch uses maximum a kind of electrical equipment in high-voltage switch electric appliance, as its name suggests, the principles and structure being the itself playing buffer action is in circuit fairly simple, but because use amount is large, functional reliability requires high, to electric substation, the design of power plant, the impact of foundation and safe operation is all larger, traditional isolating switch behavior scope is single, different voltage specification can only be applicable to corresponding voltage specification, switching device will be changed in change in voltage, and traditional isolating switch volume ratio is huger, directly scene is transported to after installing all after manufacture, be not suitable for carrying out Installation and Debugging at the scene, so just cause the restriction of the scope of application, traditional clavate discharging gap discharge voltage accuracy rate is low, dispersed high, characteristic is unstable, and moving contact is around a fulcrum, after long-term rotation, the radial direction of rotary motion trace is easily caused to depart from, cause difficulty of closing a floodgate, in addition, long-term rotation easily causes fulcrum to loosen, cause the loose contact of transformer isolating switch.
Utility model content
The purpose of this utility model is to provide a kind of transformer isolating switch, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of transformer isolating switch, comprise bracing frame, top board, cross-brace plate and vertical supporting plate, the top of support frame as described above is provided with top board, the structure and top board and bracing frame are formed in one, the top left of described top board is provided with connecting rod, and the top of connecting rod is provided with and connects sudden strain of a muscle syringe needle, the described lower end dodging syringe needle that connects is provided with the anti-sudden strain of a muscle device of insulation, the bottom of described connecting rod is provided with lightning-arrest counter, the top of described top board is provided with mounting panel, the lower end of described mounting panel is provided with fixed contact, and fixed contact runs through top board, the bottom of support frame as described above is provided with controller and expansion link, and the top of expansion link is provided with cross-brace plate, described cross-brace plate is connected with top board by vertical supporting plate, described cross-brace plate is provided with base, and base is provided with insulator, the top of described insulator is provided with moving contact, the bottom of described insulator is provided with connection copper bar, and the end connecting copper bar is provided with the first support bar, the top of described first support bar is provided with float electrode connecting rod, and the lower end of float electrode connecting rod is provided with grounding electrode, the right-hand member of described cross-brace plate is provided with fixed head, and the side of fixed head is provided with current transformer, described current transformer is provided with the first insulator string and the second insulator string from top to bottom successively, the top of described first insulator string is provided with fixed electrode connecting rod, and the top of fixed electrode connecting rod is provided with the link electrode corresponding with grounding electrode, the top of described second insulator string is provided with earth connection, described controller and expansion link are electrically connected.
Preferably, described fixed head is connected by fixed block with cross-brace plate, and fixed block and fixed head are provided with corresponding screwed hole.
Preferably, described connecting rod is connected with earth connection by wire.
Preferably, certain discharging gap is left between described grounding electrode and link electrode.
Compared with prior art, the beneficial effects of the utility model are: this utility model realizes the connection of moving contact and fixed contact by cross-brace plate and expansion link, moving contact is avoided to cause fulcrum to loosen phenomenon around fulcrum for a long time, ensure that the contact stabilization of moving contact and fixed contact, and by forming discharging gap between grounding electrode and link electrode, can not only be anti-lightning strike, high, dispersed little, the stability of characteristics of transformer discharge voltage accuracy rate can also be made, this device volume is little, be convenient to Installation and Debugging, reliability is high.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1 bracing frame, 2 top boards, 3 mounting panels, 4 fixed contacts, 5 moving contacts, 6 insulators, 7 bases, 8 cross-brace plates, 9 vertical supporting plates, 10 expansion links, 11 controllers, 12 connect sudden strain of a muscle syringe needle, the anti-sudden strain of a muscle device of 13 insulation, 14 connecting rods, 15 lightning-arrest counters, 16 first support bars, 17 float electrode connecting rods, 18 grounding electrodes, 19 link electrodes, 20 fixed electrode connecting rods, 21 first insulator strings, 22 second insulator strings, 23 earth connections, 24 current transformers, 25 fixed heads, 26 fixed blocks, 27 connect copper bar.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of transformer isolating switch, comprise bracing frame 1, top board 2, cross-brace plate 8 and vertical supporting plate 9, the top of support frame as described above 1 is provided with top board 2, the structure and top board 2 and bracing frame 1 are formed in one, the top left of described top board 2 is provided with connecting rod 14, described connecting rod 14 is connected with earth connection 23 by wire, and the top of connecting rod 14 be provided with connect dodge syringe needle 12, the described lower end dodging syringe needle 12 that connects is provided with the anti-sudden strain of a muscle device 13 of insulation, the bottom of described connecting rod 14 is provided with lightning-arrest counter 15, the top of described top board 2 is provided with mounting panel 3, the lower end of described mounting panel 3 is provided with fixed contact 4, and fixed contact 4 runs through top board 2, the bottom of support frame as described above 1 is provided with controller 11 and expansion link 10, and the top of expansion link 10 is provided with cross-brace plate 8, described cross-brace plate 8 is connected with top board 2 by vertical supporting plate 9, described cross-brace plate 8 is provided with base 7, and base 7 is provided with insulator 6, the top of described insulator 6 is provided with moving contact 5, the bottom of described insulator 6 is provided with and connects copper bar 27, and the end connecting copper bar 27 is provided with the first support bar 16, the top of described first support bar 16 is provided with float electrode connecting rod 17, and the lower end of float electrode connecting rod 17 is provided with grounding electrode 18, certain discharging gap is left between described grounding electrode 18 and link electrode 19, the right-hand member of described cross-brace plate 8 is provided with fixed head 25, and the side of fixed head 25 is provided with current transformer 24, described fixed head 25 is connected by fixed block 26 with cross-brace plate 8, and fixed block 26 and fixed head 25 are provided with corresponding screwed hole, described current transformer 24 is provided with the first insulator string 21 and the second insulator string 22 from top to bottom successively, the top of described first insulator string 21 is provided with fixed electrode connecting rod 20, and the top of fixed electrode connecting rod 20 is provided with the link electrode 19 corresponding with grounding electrode 18, the top of described second insulator string 22 is provided with earth connection 23, described controller 11 is electrically connected with expansion link 10, the flexible moving contact 5 that makes that this utility model controls expansion link 10 by controller 11 is connected with fixed contact 4, therefore the handover operation of realizing circuit, the operational mode of change system, separated by vertical supporting plate 9 between insulator 6, avoid being short-circuited, when running into thunderbolt, first discharge with anti-the cooperatively interacting of sudden strain of a muscle device 13 of insulation by connecing sudden strain of a muscle syringe needle 12, then remaining electricity is delivered on earth connection 23 by connecting rod 14, finally pour the earth into, reach lightning-arrest object, and can discharge prior to the first insulator string 21 in the gap between link electrode 19 and grounding electrode 18, reduce the electric arc on the first insulator string 21, reach protection first insulator string 21 and lightning-arrest object, current transformer 24 is converted to the less secondary current of numerical value primary current larger for numerical value by certain no-load voltage ratio, realize the protection to transformer and measurement.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. a transformer isolating switch, comprise bracing frame (1), top board (2), cross-brace plate (8) and vertical supporting plate (9), the top of support frame as described above (1) is provided with top board (2), the structure and top board (2) and bracing frame (1) are formed in one, it is characterized in that: the top left of described top board (2) is provided with connecting rod (14), and the top of connecting rod (14) be provided with connect dodge syringe needle (12), the described lower end dodging syringe needle (12) that connects is provided with the anti-sudden strain of a muscle device (13) of insulation, the bottom of described connecting rod (14) is provided with lightning-arrest counter (15), the top of described top board (2) is provided with mounting panel (3), the lower end of described mounting panel (3) is provided with fixed contact (4), and fixed contact (4) runs through top board (2), the bottom of support frame as described above (1) is provided with controller (11) and expansion link (10), and the top of expansion link (10) is provided with cross-brace plate (8), described cross-brace plate (8) is connected with top board (2) by vertical supporting plate (9), described cross-brace plate (8) is provided with base (7), and base (7) is provided with insulator (6), the top of described insulator (6) is provided with moving contact (5), the bottom of described insulator (6) is provided with and connects copper bar (27), and the end connecting copper bar (27) is provided with the first support bar (16), the top of described first support bar (16) is provided with float electrode connecting rod (17), and the lower end of float electrode connecting rod (17) is provided with grounding electrode (18), the right-hand member of described cross-brace plate (8) is provided with fixed head (25), and the side of fixed head (25) is provided with current transformer (24), described current transformer (24) is provided with the first insulator string (21) and the second insulator string (22) from top to bottom successively, the top of described first insulator string (21) is provided with fixed electrode connecting rod (20), and the top of fixed electrode connecting rod (20) is provided with the link electrode (19) corresponding with grounding electrode (18), the top of described second insulator string (22) is provided with earth connection (23), described controller (11) and expansion link (10) are electrically connected.
2. a kind of transformer isolating switch according to claim 1, is characterized in that: described fixed head (25) is connected by fixed block (26) with cross-brace plate (8), and fixed block (26) and fixed head (25) are provided with corresponding screwed hole.
3. a kind of transformer isolating switch according to claim 1, is characterized in that: described connecting rod (14) is connected with earth connection (23) by wire.
4. a kind of transformer isolating switch according to claim 1, is characterized in that: leave certain discharging gap between described grounding electrode (18) and link electrode (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866990.7U CN205069484U (en) | 2015-11-02 | 2015-11-02 | Disconnector for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866990.7U CN205069484U (en) | 2015-11-02 | 2015-11-02 | Disconnector for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069484U true CN205069484U (en) | 2016-03-02 |
Family
ID=55396004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520866990.7U Expired - Fee Related CN205069484U (en) | 2015-11-02 | 2015-11-02 | Disconnector for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861124A (en) * | 2019-02-21 | 2019-06-07 | 南京华脉科技股份有限公司 | A kind of pull-out type low-voltage metering mechanism and low-voltage metering cabinet |
-
2015
- 2015-11-02 CN CN201520866990.7U patent/CN205069484U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861124A (en) * | 2019-02-21 | 2019-06-07 | 南京华脉科技股份有限公司 | A kind of pull-out type low-voltage metering mechanism and low-voltage metering cabinet |
| CN109861124B (en) * | 2019-02-21 | 2023-12-19 | 南京华脉科技股份有限公司 | Draw-out type low-voltage metering device and low-voltage metering cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161102 |