CN203931779U - Single-phase potential transformer and voltage transformer case and gas-filling cabinet - Google Patents
Single-phase potential transformer and voltage transformer case and gas-filling cabinet Download PDFInfo
- Publication number
- CN203931779U CN203931779U CN201420280072.1U CN201420280072U CN203931779U CN 203931779 U CN203931779 U CN 203931779U CN 201420280072 U CN201420280072 U CN 201420280072U CN 203931779 U CN203931779 U CN 203931779U
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- China
- Prior art keywords
- voltage transformer
- cabinet
- fuse
- transformer
- gas
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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.)
- Expired - Lifetime
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- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
A kind of single-phase potential transformer and voltage transformer case and gas-filling cabinet, comprise instrument transformer body, on the outer wall of described body, be provided with external terminal, first and second winding and the molten well of the fuse being connected of single-phase potential transformer are installed in described body, described single-phase potential transformer is connected by plug-in electric cable accessories with described external terminal, described plug-in electric cable accessories is flexible cable, and described flexible cable can be connected with the external casing of variety classes, and described fuse is two-phase fuse.The beneficial effect that the single-phase potential transformer that the utility model provides and voltage transformer case and gas-filling cabinet bring is: the mode that adopts flexible cable annex to be fixedly connected with, and instrument transformer is all insulation structure, a high-pressure side band fuse protection; The rear voltage transformer of assembling takes up an area little, and instrument transformer outer surface spray metal, can realize outer surface zero potential, reaches tangibly fail safe.
Description
Technical field
The utility model relates to a kind of single-phase potential transformer, relates to a kind of voltage transformer case, also relates to a kind of gas-filling cabinet that this voltage transformer case is installed.
Background technology
Three mounting meanss of the general employing of mode that the voltage transformer in 40.5KV gas-filling cabinet line side connects at present, most of user only need to measure two-phase, uses three instrument transformers, and cost takes up an area all uneconomical material benefits.One time high-pressure side is connected by flexible cable with SF6 cabinet high pressure leading-in end, makes full use of cabinet space, is not subject to the restriction of cabinet spaced apart, has avoided all insulation voltage transformer to use the plug-in terminal that hard connection may cause when SF6 gas-filling cabinet damaged simultaneously.Be more suitable in the growth requirement of miniaturization gas switch cabinet, be convenient to safeguard and install.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, provides the volume after a kind of assembling little, the single-phase potential transformer being user-friendly to, the scope of application of expansion gas-filling cabinet.
The main technical schemes that a kind of single-phase potential transformer providing according to the utility model adopts is: comprise body, on described body, flexible cable is installed, alive plug on described body is connected with a fuse, one end of described flexible cable is provided with outer cone plug, and described outer cone plug is plugged on described body.
The single-phase potential transformer that the utility model provides also can have following attached technical characterictic:
Described fuse is two-phase fuse.
Described single-phase potential transformer and described fuse surface are equipped with metal level.
The main technical schemes that a kind of voltage transformer case providing according to the utility model adopts is: comprise casing, on the outer wall of described casing, be provided with external terminal, in described casing, single-phase potential transformer is installed, described single-phase potential transformer comprises body, on described body, flexible cable is installed, alive plug on described body is connected with a fuse, one end of described flexible cable is provided with outer cone plug, described outer cone plug is plugged on described body, and the other end of described flexible cable is connected with described external terminal.
The voltage transformer case that the utility model provides also can have following attached technical characterictic:
The bottom of described casing is provided with fixed head, and described fuse is arranged on described fixed head.
The other end of described flexible cable is provided with inner cone plug, and described inner cone plug is connected with described external terminal.
The main technical schemes that a kind of gas-filling cabinet providing according to the utility model adopts is: comprise cabinet, voltage transformer case is installed on described cabinet, described voltage transformer case comprises casing, on the outer wall of described casing, be provided with external terminal, in described casing, single-phase potential transformer is installed, described single-phase potential transformer comprises body, on described body, flexible cable is installed, alive plug on described body is connected with a fuse, one end of described flexible cable is provided with outer cone plug, described outer cone plug is plugged on described body, the other end of described flexible cable is connected with described external terminal.
The gas-filling cabinet that the utility model provides also can have following attached technical characterictic:
Described input terminal is inner cone socket.
The electric pressure of described cabinet is 40.5kV.
On described cabinet, be provided with fixedly ear.
The beneficial effect that adopts single-phase potential transformer that the utility model provides and voltage transformer case and gas-filling cabinet to bring is: the mode that adopts flexible cable annex to be fixedly connected with, and instrument transformer is all insulation structure, a high-pressure side band fuse protection; Instrument transformer outer surface spray metal, can realize outer surface zero potential, reaches tangibly fail safe; One time high-pressure side is connected by flexible cable with SF6 cabinet high pressure leading-in end, makes full use of cabinet space, is not subject to the restriction of cabinet spaced apart, has avoided all insulation voltage transformer to use the plug-in terminal that hard connection may cause when SF6 gas-filling cabinet damaged simultaneously.Voltage transformer volume after assembling is little, is user-friendly to, and is applicable to gas insulation switch cabinet body, and it is convenient to change fuse, is convenient to safeguard and install.Be more suitable in the growth requirement of miniaturization gas switch cabinet, be convenient to safeguard and install.
Accompanying drawing explanation
Fig. 1 is the structure chart of voltage transformer case described in the utility model.
Fig. 2 is the vertical view of voltage transformer in voltage transformer case described in the utility model.
Fig. 3 is the structure chart of the gas-filling cabinet of installation voltage transformer case described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The embodiment of a kind of single-phase potential transformer providing according to the utility model, comprise body 3, on described body 3, flexible cable 5 is installed, alive plug on described body 3 is connected with a fuse 4, one end of described flexible cable 5 is provided with outer cone plug 52, and described outer cone plug 52 is plugged on described body 3.The utility model provides single-phase potential transformer body 3 to be directly installed on device to be measured by flexible cable 5, more directly simple, and has reduced production cost.
The single-phase potential transformer providing according to the utility model, described fuse 4 is two-phase fuse, and described single-phase potential transformer 3 and described fuse 4 surfaces are equipped with metal level, single-phase potential transformer 3 outer surface spray metals, can realize outer surface zero potential, reach tangibly fail safe.
As shown in Figure 1 to Figure 2, the embodiment of a kind of voltage transformer case providing according to the utility model, comprise casing 1, on the outer wall of described casing 1, be provided with external terminal 2, the single-phase potential transformer of above-described embodiment is installed in described casing 1, and the other end of described flexible cable 5 is connected with described external terminal 2.The utility model is arranged on single-phase potential transformer 3 and fuse 4 in same casing 1, measurement casing after assembling is long-pending little, be user-friendly to, and change fuse 4 convenience, be convenient to safeguard and install, the mode being fixedly connected with that adopts flexible cable 5, makes full use of casing 1 space, is not subject to the restriction of casing spaced apart; The plug-in terminal that may cause while simultaneously having avoided hard connection is damaged.
Referring to Fig. 1 to Fig. 2, the voltage transformer case providing according to the utility model, the bottom of described casing 1 is provided with fixed head 6, described fuse 4 is arranged on described fixed head 6, voltage transformer volume after assembling is little, is user-friendly to, and is applicable to gas insulation switch cabinet body, and it is convenient to change fuse, be convenient to safeguard and install.
Referring to Fig. 1 to Fig. 2, the voltage transformer case providing according to the utility model, inner cone plug 51 is installed respectively at the two ends of described flexible cable 5, and described inner cone plug 51 is connected with described external terminal 2, described outer cone plug 52 is connected with described single-phase potential transformer 3
As shown in Figure 1 to Figure 3, a kind of gas-filling cabinet providing according to the utility model, comprise cabinet 7, on described cabinet 7, voltage transformer case 8 is installed, described voltage transformer case 8 is the voltage transformer case described in above-described embodiment, on described cabinet 7, be provided with input terminal 71, the described input terminal 71 on described cabinet 7 is connected with the described external terminal 2 on described casing 1.Described input terminal 71 is inner cone socket, and the electric pressure of described cabinet 7 is 40.5kV, is provided with fixedly ear 72 on described cabinet 7.Gas-filling cabinet volume after assembling is little, be user-friendly to, and it is convenient to change fuse, is convenient to safeguard and install, and single-phase potential transformer 3 is connected by inner cone socket with Inflatable cabinet body 7.Single-phase potential transformer of the present utility model is not limited to be incorporated in a casing and is installed on gas-filling cabinet, also can directly the single-phase potential transformer of above-described embodiment be directly connected by flexible cable with the input terminal in gas-filling cabinet.
Voltage transformer case described in the utility model is not limited to the line side that is arranged on 40.5KV gas-filling cabinet, can also be arranged on All other routes side.
Claims (10)
1. a single-phase potential transformer, comprise body, it is characterized in that: on described body, flexible cable is installed, the alive plug on described body is connected with a fuse, one end of described flexible cable is provided with outer cone plug, and described outer cone plug is plugged on described body.
2. voltage transformer as claimed in claim 1, is characterized in that: described fuse is two-phase fuse.
3. voltage transformer as claimed in claim 1, is characterized in that: described single-phase potential transformer and described fuse surface are equipped with metal level.
4. a voltage transformer case, comprise casing, on the outer wall of described casing, be provided with external terminal, it is characterized in that: single-phase potential transformer as described in claim 1-3 any one is installed in described casing, and the other end of described flexible cable is connected with described external terminal.
5. voltage transformer case as claimed in claim 4, is characterized in that: the inside of described casing is provided with fixing molten well, and described fuse is arranged in described molten well.
6. voltage transformer case as claimed in claim 4, is characterized in that: the other end of described flexible cable is provided with inner cone plug, and described inner cone plug is connected with described external terminal.
7. the gas-filling cabinet that voltage transformer case is installed, comprise cabinet, it is characterized in that: voltage transformer case is installed on described cabinet, described voltage transformer case is voltage transformer case described in claim 4-6 any one, on described cabinet, be provided with input terminal, the described input terminal on described cabinet is connected with the described external terminal on described casing.
8. gas-filling cabinet as claimed in claim 7, is characterized in that: described input terminal is inner cone socket.
9. gas-filling cabinet as claimed in claim 7, is characterized in that: the electric pressure of described cabinet is 40.5kV.
10. gas-filling cabinet as claimed in claim 7, is characterized in that: on described cabinet, be provided with fixedly ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280072.1U CN203931779U (en) | 2014-05-28 | 2014-05-28 | Single-phase potential transformer and voltage transformer case and gas-filling cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280072.1U CN203931779U (en) | 2014-05-28 | 2014-05-28 | Single-phase potential transformer and voltage transformer case and gas-filling cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931779U true CN203931779U (en) | 2014-11-05 |
Family
ID=51827552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280072.1U Expired - Lifetime CN203931779U (en) | 2014-05-28 | 2014-05-28 | Single-phase potential transformer and voltage transformer case and gas-filling cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996509A (en) * | 2014-05-28 | 2014-08-20 | 北京科锐配电自动化股份有限公司 | Single-phase voltage transformer, voltage transformer box and inflatable cabinet |
-
2014
- 2014-05-28 CN CN201420280072.1U patent/CN203931779U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996509A (en) * | 2014-05-28 | 2014-08-20 | 北京科锐配电自动化股份有限公司 | Single-phase voltage transformer, voltage transformer box and inflatable cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
|
| CX01 | Expiry of patent term |