CN206293874U - A kind of PT cabinets - Google Patents
A kind of PT cabinets Download PDFInfo
- Publication number
- CN206293874U CN206293874U CN201621441426.1U CN201621441426U CN206293874U CN 206293874 U CN206293874 U CN 206293874U CN 201621441426 U CN201621441426 U CN 201621441426U CN 206293874 U CN206293874 U CN 206293874U
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- Prior art keywords
- observation window
- control device
- overvoltage
- device body
- bus
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Abstract
The utility model discloses a kind of PT cabinets, including device body, second observation window, control device, wall bushing and isolation switch, the bottom of described device body is provided with the first observation window, control device is installed above second observation window, control button is installed on the right side of the ammeter, the inner upper left side of described device body is provided with supports insulative, overvoltage control device is provided with the right side of the wall bushing, electrification in high voltage sensor is installed on the right side of the bus-bar room, high-tension fuse is installed below the bus-bar room, earthing bar is fixed with below the high-tension fuse, and voltage transformer is installed on the right side of earthing bar, overvoltage protection device is provided with the right side of the voltage transformer, and the upper right side of overvoltage protection device is provided with current transformer.The utility model uses combined mechanism, and simple structure, reliable operation is easy to maintenance.
Description
Technical field
The utility model is related to electric device technical field, specially a kind of PT cabinets.
Background technology
At present, there are following several overvoltage in 3~35KV of China systems：The operation that breaker on-off action process is produced
Atmospheric over-voltage, resonance overvoltage produced when the arc overvoltage produced when voltage, single-phase earthing and thunderbolt etc..There is no at present
For the complete preservation scheme of these overvoltage, often occur cable blow out, motor insulation breakdown, Explosion of on Arrester and electricity
Pressure transformer such as burns at the accident.The reason for such accident occurs, except the property with the overvoltage protection device product of installing in system
Can have outside relation, system complexity in itself has important influence to overvoltage, for different systems, is protected using overvoltage
Need to consider connecing for the type on system power line road, the network structure of electric line, the property of load and system during shield product
Ground mode etc..Once simultaneously, in complicated system, it is difficult to which isolated use certain or several overvoltage protections comes complete
Face suppresses the overvoltage of all kinds system, while protective value can not match each other, it is impossible to thorough effectively suppression system mistake
Voltage.
Utility model content
The purpose of this utility model is to provide a kind of PT cabinets, to solve the problems, such as to propose had in above-mentioned background technology
Some beneficial effects are；Using combined mechanism, the setting of the first observation window and the second observation window can facilitate in maintainer's observation
Portion's equipment working state, control device is the nucleus equipment of the present apparatus, plays a part of to coordinate control so that the present apparatus can be just
Often work, the size of current for setting the energy real-time testing device of ammeter, the setting of supports insulative facilitates the erection of cable
With installation, the electriferous state for being provided for reflecting device of electrification in high voltage sensor, and energy forced blocking switch net door, high-voltage fuse
, from being damaged because of overtension, the apparatus structure is simple, reliable operation for the setting energy protection device of disconnected device, is easy to maintenance.
To achieve the above object, the utility model provides following technical scheme：A kind of PT cabinets, including device body, second
Observation window, control device, wall bushing and isolation switch, the bottom of described device body are provided with the first observation window, and first
The second observation window is provided with above observation window, control device is installed above second observation window, and control device
Right side is provided with ammeter, and control button is provided with the right side of the ammeter, and the inner upper left side of described device body sets
Supports insulative is equipped with, and the right side of supports insulative is fixed with wall bushing, and electricity was provided with the right side of the wall bushing
Bus-bar room is provided with below pressure control device, and overvoltage control device, electrification in high voltage is installed on the right side of the bus-bar room
Isolation switch is installed below sensor, and electrification in high voltage sensor, high-tension fuse is installed below the bus-bar room,
And vacuum contactor is provided with the right side of high-tension fuse, earthing bar, and earthing bar are fixed with below the high-tension fuse
Right side voltage transformer is installed, overvoltage protection device, and overvoltage protection device are provided with the right side of the voltage transformer
Upper right side current transformer is installed.
Preferably, described device body front upper, middle part and bottom are mounted on cabinet door.
Preferably, it is provided with electromagnetic lock on the right side of second observation window.
Preferably, it is provided with nameplate below second observation window.
Compared with prior art, the beneficial effects of the utility model are：The equipment uses combined mechanism, the first observation window and
The setting of the second observation window can facilitate maintainer to observe internal unit working condition, and control device is that the core of the present apparatus sets
It is standby, play a part of to coordinate control so that the present apparatus being capable of normal work, the electricity for setting the energy real-time testing device of ammeter
Stream size, settings of supports insulative facilitate the erection of cable and install, and electrification in high voltage sensor is provided for reflection device
Electriferous state, and can forced blocking switch net door, the setting energy protection device of high-tension fuse because of overtension from damaging
Bad, the apparatus structure is simple, reliable operation, is easy to maintenance.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is internal structure schematic diagram of the present utility model.
In figure：1- device bodies；2- cabinet doors；The observation windows of 3- first；4- nameplates；The observation windows of 5- second；6- control devices；7-
Ammeter；8- control buttons；9- electromagnetic locks；10- bus-bar rooms；11- supports insulatives；12- wall bushings；13- overvoltage is controlled
Device；14- electrification in high voltage sensors；15- isolation switch；16- vacuum contactors；17- current transformers；18- high-tension fuses；
19- overvoltage protection devices；20- voltage transformers；21- earthing bars.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, 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 for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, a kind of embodiment that the utility model is provided：A kind of PT cabinets, including device body 1, second
Observation window 5, control device 6, wall bushing 12 and isolation switch 15, the bottom of device body 1 are provided with the first observation window 3, and
The top of the first observation window 3 is provided with the second observation window 5, and the top of the second observation window 5 is provided with control device 6, and control dress
The right side for putting 6 is provided with ammeter 7, and the right side of ammeter 7 is provided with control button 8, and the inner upper left side of device body 1 sets
Supports insulative 11 is equipped with, and the right side of supports insulative 11 is fixed with wall bushing 12, the right side of wall bushing 12 is provided with
Overvoltage control device 13, and the lower section of overvoltage control device 13 is provided with bus-bar room 10, the right side of bus-bar room 10 is provided with
Electrification in high voltage sensor 14, and the lower section of electrification in high voltage sensor 14 is provided with isolation switch 15, the lower section of bus-bar room 10 is installed
There is high-tension fuse 18, and the right side of high-tension fuse 18 is provided with vacuum contactor 16, the lower section of high-tension fuse 18 is fixed
There is earthing bar 21, and the right side of earthing bar 21 is provided with voltage transformer 20, the right side of voltage transformer 20 is provided with overvoltage
Protector 19, and the upper right side of overvoltage protection device 19 is provided with current transformer 17, the front upper of device body 1, middle part and
Bottom is mounted on cabinet door 2, and the right side of the second observation window 5 is provided with electromagnetic lock 9, and the lower section of the second observation window 5 is provided with nameplate
4。
Operation principle：When using, the setting of the first observation window 3 and the second observation window 5 can facilitate maintainer to observe inside
Equipment working state, control device 6 is the nucleus equipment of the present apparatus, plays a part of to coordinate control so that the present apparatus can be just
Often work, the size of current for setting the energy real-time testing device of ammeter 7, the setting of supports insulative 11 facilitates the frame of cable
If with installation, the electriferous state for being provided for reflecting device of electrification in high voltage sensor 14, and energy forced blocking switch net door are high
The setting energy protection device of fuse 18 is pressed from being damaged because of overtension.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (4)
1. a kind of PT cabinets, including device body (1), the second observation window (5), control device (6), wall bushing (12) and isolation knife
Lock (15), it is characterised in that：The bottom of described device body (1) is provided with the first observation window (3), and the first observation window (3)
Top is provided with the second observation window (5), and control device (6), and control device are provided with above second observation window (5)
(6) ammeter (7) is installed on the right side of, control button (8), described device body (1) is installed on the right side of the ammeter (7)
Inner upper left side be provided with supports insulative son (11), and supports insulative son (11) on the right side of be fixed with wall bushing (12),
Overvoltage control device (13) is provided with the right side of the wall bushing (12), and the lower section of overvoltage control device (13) is set
There is bus-bar room (10), electrification in high voltage sensor (14), and electrification in high voltage sensor are installed on the right side of the bus-bar room (10)
(14) isolation switch (15) is installed below, high-tension fuse (18), and high pressure is installed below the bus-bar room (10)
Vacuum contactor (16) is provided with the right side of fuse (18), earthing bar is fixed with below the high-tension fuse (18)
(21) voltage transformer (20), and on the right side of earthing bar (21) is installed, was provided with the right side of the voltage transformer (20)
Voltage protector (19), and the upper right side of overvoltage protection device (19) is provided with current transformer (17).
2. a kind of PT cabinets according to claim 1, it is characterised in that：Described device body (1) front upper, middle part and under
Portion is mounted on cabinet door (2).
3. a kind of PT cabinets according to claim 1, it is characterised in that：Electricity is provided with the right side of second observation window (5)
Magnetic padlock (9).
4. a kind of PT cabinets according to claim 1, it is characterised in that：Inscription is provided with below second observation window (5)
Board (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621441426.1U CN206293874U (en) | 2016-12-27 | 2016-12-27 | A kind of PT cabinets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621441426.1U CN206293874U (en) | 2016-12-27 | 2016-12-27 | A kind of PT cabinets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293874U true CN206293874U (en) | 2017-06-30 |
Family
ID=59154716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621441426.1U Active CN206293874U (en) | 2016-12-27 | 2016-12-27 | A kind of PT cabinets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293874U (en) |
-
2016
- 2016-12-27 CN CN201621441426.1U patent/CN206293874U/en active Active
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