CN206672849U - A kind of special anti-overheat of power equipment disconnecting switch safe to use - Google Patents
A kind of special anti-overheat of power equipment disconnecting switch safe to use Download PDFInfo
- Publication number
- CN206672849U CN206672849U CN201720454561.8U CN201720454561U CN206672849U CN 206672849 U CN206672849 U CN 206672849U CN 201720454561 U CN201720454561 U CN 201720454561U CN 206672849 U CN206672849 U CN 206672849U
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- China
- Prior art keywords
- disconnecting switch
- ceramic insulator
- overheat
- stainless steel
- power equipment
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- 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.)
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Abstract
The utility model discloses a kind of special anti-overheat of power equipment disconnecting switch safe to use, including separating brake limiting plate, ceramic insulator and inlet wire plate, the ceramic insulator is arranged at left and right sides of the top of channel-section steel, the inlet wire plate is arranged on upper left opening position of the top close to channel-section steel of ceramic insulator, the upper left of the stainless steel contact knife piece is provided with lock ring, and the separating brake limiting plate is arranged on the right side of stainless steel contact knife piece at the top position of ceramic insulator；The beneficial effects of the utility model are：The special anti-overheat of power equipment disconnecting switch safe to use is scientific and reasonable for structure, it is safe and convenient to use, a current sensor and transformer are provided with disconnecting switch, when current sensor, which detects that electric current is excessive, has exceeded rated current, the high current of high tension loop will be changed into low pressure low current by transformer, avoiding disconnecting switch from overloading causes contact heating scaling loss fingertip, and use is safer.
Description
Technical field
The utility model belongs to disconnecting switch technical field, and in particular to a kind of special anti-overheat of power equipment is safe to use
Disconnecting switch.
Background technology
Disconnecting switch, i.e., when dividing position, there are the insulation distance for meeting regulation requirement and obvious disconnect to indicate between contact;
When closing position, the electric current under normal loop condition can be carried and the switch of the electric current under exceptional condition is set at the appointed time
It is standby.Disconnecting switch is generally referred to as high voltage isolator, i.e., rated voltage is in 1kV and its disconnecting switch of the above, generally abbreviation
It is most commonly used a kind of electrical equipment in high-voltage switch electric appliance for disconnecting switch, the principles and structure of itself is fairly simple,
But because usage amount is big, functional reliability requires high, and the influence to electric substation, the design of power plant, foundation and safe operation is equal
It is larger.Disconnecting switch is mainly characterized by no arc extinguishing ability, can only divide in the case of no load current, close circuit.Isolation
Switch and be used for each step voltage, as changing circuit connection or making circuit or equipment and isolated from power, it does not have cutout abilities, can only
Operated again after first circuit is disconnected with miscellaneous equipment.The general interlock with maloperation when preventing from switching on-load, sometimes
Pin is needed to prevent from disconnecting switch under the magneticaction of big failure.Disconnecting link is mainly characterized by no arc extinguishing ability, can only
Divide in the case of no load current, close circuit.
Some defects during use be present in existing disconnecting switch, for example, electric current is excessive to have exceeded rated current,
Disconnecting switch is overloaded, and contact heating is caused fingertip scaling loss；And ceramic insulator is larger and by external force due to the temperature difference
Influence, easily cause porcelain piece to be broken, cause potential safety hazard, use unusual inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of special anti-overheat of power equipment disconnecting switch safe to use, with solution
The problem of disconnecting switch overload proposed in certainly above-mentioned background technology easily makes contact heating cause fingertip scaling loss and porcelain piece to be broken.
To achieve the above object, the utility model provides following technical scheme：A kind of special anti-overheat of power equipment uses
The disconnecting switch of safety, including separating brake limiting plate, ceramic insulator and inlet wire plate, the ceramic insulator are arranged on the upper of channel-section steel
The side left and right sides, and insulator protective cover is provided with the outside of ceramic insulator, the upper left of the channel-section steel is exhausted close to ceramics
Current sensor is provided with the right positions of edge, and the top of channel-section steel is provided with the right positions of current sensor
Transformer, the current sensor are electrically connected with transformer, and the inlet wire plate is arranged on the top of ceramic insulator close to groove
The upper left opening position of steel, and the top of inlet wire plate is provided with stainless steel close to the upper right opening position of ceramic insulator and touched
Blade, the upper left of the stainless steel contact knife piece are provided with lock ring, and the close lock in surface behind the left side of stainless steel contact knife piece
The lower position of clasp is provided with touch spring, and the separating brake limiting plate is arranged on the right side of stainless steel contact knife piece close to ceramics
At the top position of insulator, and the lower section of separating brake limiting plate is provided with outlet board at the top position of ceramic insulator.
Preferably, the ceramic insulator is provided with two altogether, and two ceramic insulators are separately mounted to the upper of channel-section steel
The side left and right sides.
Preferably, the insulator protective cover is provided with two altogether, and two insulator protective covers are separately mounted to two
The outside of ceramic insulator.
Preferably, the touch spring is provided with two altogether, and two touch springs are installed on stainless steel contact knife piece.
Preferably, the stainless steel contact knife piece is fixedly connected with separating brake limiting plate by nut.
Compared with prior art, the beneficial effects of the utility model are：The special anti-overheat of the power equipment is safe to use
Disconnecting switch is scientific and reasonable for structure, safe and convenient to use, and a current sensor and transformer are provided with disconnecting switch, when
When current sensor detects that electric current is excessive and exceeded rated current, the high current of high tension loop will be changed into low by transformer
Low current is pressed, avoids disconnecting switch overload from causing contact heating scaling loss fingertip；And it is provided with one in the outside of ceramic insulator
Individual protective cover, influence of the external environment condition to porcelain piece is reduced, prevents porcelain piece to be broken, use is safer.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1- touch springs, 2- locks ring, 3- stainless steel contact knifes piece, 4- separating brakes limiting plate, 5- outlet boards, 6- mutual inductances
Device, 7- channel-section steels, 8- current sensors, 9- insulators protective cover, 10- ceramic insulators, 11- inlet wire plates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of special anti-overheat of power equipment is safe to use
Disconnecting switch, including separating brake limiting plate 4, ceramic insulator 10 and inlet wire plate 11, ceramic insulator 10 are arranged on the top of channel-section steel 7
The left and right sides, and the outside of ceramic insulator 10 is provided with insulator protective cover 9, the upper left of channel-section steel 7 is close to ceramic insulation
Current sensor 8 is provided with the right positions of son 10, and the top of channel-section steel 7 is set at the right positions of current sensor 8
Transformer 6 is equipped with, current sensor 8 is electrically connected with transformer 6, and the top that inlet wire plate 11 is arranged on ceramic insulator 10 is close
The upper left opening position of channel-section steel 7, and the top of inlet wire plate 11 is provided with close to the upper right opening position of ceramic insulator 10
Stainless steel contact knife piece 3, the upper left of stainless steel contact knife piece 3 are provided with lock ring 2, and table behind the left side of stainless steel contact knife piece 3
Face is provided with touch spring 1 close to the lower position of lock ring 2, and separating brake limiting plate 4 is arranged on the right side of stainless steel contact knife piece 3
At the top position of ceramic insulator 10, and the lower section of separating brake limiting plate 4 is at the top position of ceramic insulator 10
It is provided with outlet board 5.
Ceramic insulator 10 is provided with two altogether, and two ceramic insulators 10 are separately mounted to top of channel-section steel 7 or so
Both sides.Insulator protective cover 9 is provided with two altogether, and two insulator protective covers 9 are separately mounted to two ceramic insulators 10
Outside.Touch spring 1 is provided with two altogether, and two touch springs 1 are installed on stainless steel contact knife piece 3.Stainless steel touches
Blade 3 is fixedly connected with separating brake limiting plate 4 by nut.
Transformer 6 in the utility model by the first winding of mutually insulated, secondary winding, iron core and framework, housing,
Binding post etc. is formed, and the high current of high tension loop or low tension loop can be changed into low pressure low current by it.
Operation principle and process for using of the present utility model：The special anti-overheat of power equipment disconnecting switch safe to use
After installing, the completion that is in contact of the static contact on stainless steel contact knife piece 3 and inlet wire plate 11 is set to have closed a floodgate conduction using ring 2 is latched
Effect, the effect of touch spring 1 are after disconnecting switch is closed a floodgate, to contact the static contact on stainless steel contact knife piece 3 and inlet wire plate 11
Pressure keeps certain numerical value, when insulating power supply is not needed, stainless steel contact knife piece 3 is opened using insulating bar, by dividing
Lock limiting plate 4 limits the size of the separating brake of stainless steel contact knife piece 3, ensures the safe insulation of stainless steel contact knife piece 3 and static contact fracture
Distance.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of special anti-overheat of power equipment disconnecting switch safe to use, including separating brake limiting plate（4）, ceramic insulator
（10）With inlet wire plate（11）, it is characterised in that：The ceramic insulator（10）Installed in channel-section steel（7）Top at left and right sides of, and
Ceramic insulator（10）Outside be provided with insulator protective cover（9）, the channel-section steel（7）Upper left close to ceramic insulator
（10）Right positions at be provided with current sensor（8）, and channel-section steel（7）Top close to current sensor（8）Right lateral position
The place of putting is provided with transformer（6）, the current sensor（8）With transformer（6）It is electrically connected with, the inlet wire plate（11）It is arranged on
Ceramic insulator（10）Top close to channel-section steel（7）Upper left opening position, and inlet wire plate（11）Top close to ceramics absolutely
Edge（10）Upper right opening position be provided with stainless steel contact knife piece（3）, the stainless steel contact knife piece（3）Upper left set
It is equipped with lock ring（2）, and stainless steel contact knife piece（3）Left side after surface close to lock ring（2）Lower position be provided with it is tactile
Head spring（1）, the separating brake limiting plate（4）Installed in stainless steel contact knife piece（3）Right side close to ceramic insulator（10）It is upper
Square opening position, and separating brake limiting plate（4）Lower section close to ceramic insulator（10）Top position at be provided with outlet board（5）.
A kind of 2. special anti-overheat of power equipment according to claim 1 disconnecting switch safe to use, it is characterised in that：
The ceramic insulator（10）Two, and two ceramic insulators are provided with altogether（10）It is separately mounted to channel-section steel（7）Top it is left
Right both sides.
A kind of 3. special anti-overheat of power equipment according to claim 1 disconnecting switch safe to use, it is characterised in that：
The insulator protective cover（9）Two, and two insulator protective covers are provided with altogether（9）It is separately mounted to two ceramic insulators
（10）Outside.
A kind of 4. special anti-overheat of power equipment according to claim 1 disconnecting switch safe to use, it is characterised in that：
The touch spring（1）Two, and two touch springs are provided with altogether（1）It is installed in stainless steel contact knife piece（3）On.
A kind of 5. special anti-overheat of power equipment according to claim 1 disconnecting switch safe to use, it is characterised in that：
The stainless steel contact knife piece（3）With separating brake limiting plate（4）It is fixedly connected by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454561.8U CN206672849U (en) | 2017-04-27 | 2017-04-27 | A kind of special anti-overheat of power equipment disconnecting switch safe to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454561.8U CN206672849U (en) | 2017-04-27 | 2017-04-27 | A kind of special anti-overheat of power equipment disconnecting switch safe to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206672849U true CN206672849U (en) | 2017-11-24 |
Family
ID=60371239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720454561.8U Expired - Fee Related CN206672849U (en) | 2017-04-27 | 2017-04-27 | A kind of special anti-overheat of power equipment disconnecting switch safe to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206672849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148211A (en) * | 2018-09-21 | 2019-01-04 | 江苏江阴华明电气设备有限公司 | Intelligent outdoor high-voltage vacuum breaker with conduit connection row's protective device |
-
2017
- 2017-04-27 CN CN201720454561.8U patent/CN206672849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148211A (en) * | 2018-09-21 | 2019-01-04 | 江苏江阴华明电气设备有限公司 | Intelligent outdoor high-voltage vacuum breaker with conduit connection row's protective device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20180427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |