CN103996509A - Single-phase voltage transformer, voltage transformer box and inflatable cabinet - Google Patents
Single-phase voltage transformer, voltage transformer box and inflatable cabinet Download PDFInfo
- Publication number
- CN103996509A CN103996509A CN201410231614.0A CN201410231614A CN103996509A CN 103996509 A CN103996509 A CN 103996509A CN 201410231614 A CN201410231614 A CN 201410231614A CN 103996509 A CN103996509 A CN 103996509A
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- China
- Prior art keywords
- voltage transformer
- cabinet
- transformer
- flexible cable
- fuse
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Abstract
The invention relates to a single-phase voltage transformer, a voltage transformer box and an inflatable cabinet. The single-phase voltage transformer comprises a transformer body. The outer wall of the transformer body is provided with an external terminal. A primary winding and a secondary winding of the single-phase voltage transformer and a fuse protector fusion well connected with the primary winding and the second winding are installed in the transformer body. The single-phase voltage transformer is connected with the external terminal through a pluggable cable accessory which is a flexible cable. The flexible cable can be connected with external boxes of different types. A fuse protector is a two-phase fuse protector. The single-phase voltage transformer, the voltage transformer box and the inflatable cabinet have the advantages that the flexible cable accessory is adopted for fixed connection, the transformer is of a full-insulation structure, and a primary high-voltage side is protected by the fuse protector; after assembly, the voltage transformer occupies a small space, and the outer surface of the transformer is coated with metal in a spraying mode. Accordingly, zero potential on the outer surface of the transformer can be achieved, and the safety of tangibility is achieved.
Description
Technical field
The present invention relates to a kind of single-phase potential transformer, relate to a kind of voltage transformer case, also relate 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 breakage that hard connection may cause in the time of SF6 gas-filling cabinet simultaneously.Be more suitable in the growth requirement of miniaturization gas switch cabinet, be convenient to safeguard and install.
Summary of the invention
Technical problem to be solved by this invention 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 adopting according to a kind of single-phase potential transformer provided by the invention 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.
Single-phase potential transformer provided by the invention 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 adopting according to a kind of voltage transformer case provided by the invention 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.
Voltage transformer case provided by the invention 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 adopting according to a kind of gas-filling cabinet provided by the invention 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.
Gas-filling cabinet provided by the invention 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 fixing ear.
The beneficial effect that adopts single-phase potential transformer provided by the invention 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 breakage that hard connection may cause in the time of SF6 gas-filling cabinet 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.
Brief description of the drawings
Fig. 1 is the structure chart of voltage transformer case of the present invention.
Fig. 2 is the vertical view of voltage transformer in voltage transformer case of the present invention.
Fig. 3 is the structure chart of the gas-filling cabinet of installation voltage transformer case of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
According to the embodiment of a kind of single-phase potential transformer provided by the invention, 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 invention provides single-phase potential transformer body 3 can be directly installed on device to be measured by flexible cable 5, more directly simple, and has reduced production cost.
According to single-phase potential transformer provided by the invention, 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, according to the embodiment of a kind of voltage transformer case provided by the invention, 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 present invention 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 breakage that may cause while simultaneously having avoided hard connection.
Referring to Fig. 1 to Fig. 2, according to voltage transformer case provided by the invention, 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, according to voltage transformer case provided by the invention, 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, and described outer cone plug 52 is connected with described single-phase potential transformer 3,
As shown in Figure 1 to Figure 3, according to a kind of gas-filling cabinet provided by the invention, 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 fixing 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 invention 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 of the present invention 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, described inner cone plug is connected with described external terminal.
7. one kind is provided with the gas-filling cabinet of voltage transformer case, comprise cabinet, it is characterized in that: voltage transformer case is installed on described cabinet, described voltage transformer case is to measure 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 fixing ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410231614.0A CN103996509A (en) | 2014-05-28 | 2014-05-28 | Single-phase voltage transformer, voltage transformer box and inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410231614.0A CN103996509A (en) | 2014-05-28 | 2014-05-28 | Single-phase voltage transformer, voltage transformer box and inflatable cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103996509A true CN103996509A (en) | 2014-08-20 |
Family
ID=51310644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410231614.0A Pending CN103996509A (en) | 2014-05-28 | 2014-05-28 | Single-phase voltage transformer, voltage transformer box and inflatable cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103996509A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001525994A (en) * | 1997-05-22 | 2001-12-11 | シュリン リ | Combination device of distribution transformer and switch |
| CN201789206U (en) * | 2010-09-03 | 2011-04-06 | 广西银河迪康电气有限公司 | High-voltage potential transformer cabinet |
| CN103066507A (en) * | 2012-12-31 | 2013-04-24 | 青岛特锐德电气股份有限公司 | Switch cabinet |
| CN203931779U (en) * | 2014-05-28 | 2014-11-05 | 北京科锐配电自动化股份有限公司 | Single-phase potential transformer and voltage transformer case and gas-filling cabinet |
-
2014
- 2014-05-28 CN CN201410231614.0A patent/CN103996509A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001525994A (en) * | 1997-05-22 | 2001-12-11 | シュリン リ | Combination device of distribution transformer and switch |
| CN201789206U (en) * | 2010-09-03 | 2011-04-06 | 广西银河迪康电气有限公司 | High-voltage potential transformer cabinet |
| CN103066507A (en) * | 2012-12-31 | 2013-04-24 | 青岛特锐德电气股份有限公司 | Switch cabinet |
| CN203931779U (en) * | 2014-05-28 | 2014-11-05 | 北京科锐配电自动化股份有限公司 | Single-phase potential transformer and voltage transformer case and gas-filling cabinet |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140820 |
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| RJ01 | Rejection of invention patent application after publication |