CN203911311U - Substation - Google Patents
Substation Download PDFInfo
- Publication number
- CN203911311U CN203911311U CN201320823347.7U CN201320823347U CN203911311U CN 203911311 U CN203911311 U CN 203911311U CN 201320823347 U CN201320823347 U CN 201320823347U CN 203911311 U CN203911311 U CN 203911311U
- Authority
- CN
- China
- Prior art keywords
- zinc
- electrically connected
- insulation
- oxide piezoresistor
- zinc oxide
- Prior art date
- 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 - Fee Related
Links
Abstract
The utility model discloses a substation which includes a high-voltage chamber, a transformer chamber and a low-voltage chamber. An isolating switch connected to an external high-voltage cable, a lightning protection device and a high-voltage binding post for electrical connection to the transformer chamber are disposed in the high-voltage chamber. The lightning protection device comprises an insulating piercing clamp and a zinc oxide arrester. The zinc oxide arrester comprises an insulating housing, a zinc oxide piezoresistor, an upper electrical connection stud, a lower electrical connection stud, an upper conductive sheet, a lower conductive sheet, a resin protection layer wrapping the zinc oxide piezoresistor, a temperature sensor, a center control module electrically connected to the temperature sensor, and a wireless transceiver module connected to the center control module. The bottom end of the upper electrical connection stud is in crimp connection on the top end of the upper conductive sheet, and the top end of the lower electrical connection stud is in abutment connection on the bottom end of the lower conductive sheet. An air gap communicating with the atmosphere is left between the resin protective layer and the outer wall of the zinc oxide piezoresistor. The substation is more stable and reliable in electrical performance.
Description
Technical field
The utility model belongs to electrical equipment technical field, is specifically related to a kind of transformer station.
Background technology
Box-type substation is a kind of high voltage switchgear, distribution transformer and low-voltage distribution equipment, by indoor, the outdoor close-coupled controller switching equipment of certain connection plan row's all-in-one-piece prefabrication, being about to the functions such as high powered, transformer pressure-reducing, low-voltage distribution organically combines, be arranged on a protection against the tide, antirust, dustproof, protection against rodents, fire prevention, antitheft, heat insulation, totally-enclosed, movably in steel construction casing, electromechanical integration, totally-enclosed operation, be specially adapted to city net construction and upgrading, a kind of brand-new transformer station emerging after Shi Ji civil engineering transformer station.Transformer station has substituted original civil engineering power distribution room, power distribution station, become novel complete change power distribution equipment, be applicable to residential quarters, urban public change, bustling downtown area, construction power supply, mine, factory and enterprise, oil gas field and wind power station, user can select box change according to different service conditions, load level.Transformer station, since coming out, has developed very rapidly, at countries in Europe, has accounted for 70% of distribution transformer, and the U.S. has accounted for 90%.
In order to meet different clients' demand, the structural change of existing transformer station is more, and still, along with the expansion of purposes, its structure still has needs improvements badly.
Utility model content
The purpose of this utility model is to provide the good transformer station of a kind of electrical insulation properties.
The technical scheme that realizes the utility model object is: a kind of transformer station, comprises hyperbaric chamber, transformer room and low-pressure chamber, in hyperbaric chamber, be provided with the isolating switch, lightning arrester and the high tension terminal for being electrically connected to transformer room that are connected with external high-tension cable, lightning arrester is arranged on the line of isolating switch outlet column and high tension terminal, it is characterized in that: lightning arrester comprises and is provided with the insulation puncture line clamping in two clamp holes and the zinc oxide arrester being electrically connected to insulation puncture line clamping, described zinc oxide arrester comprises insulation crust, be arranged on the Zinc-oxide piezoresistor in insulation crust, on being electrically connected to Zinc-oxide piezoresistor upper end, connect electric double-screw bolt, under being electrically connected to Zinc-oxide piezoresistor lower end, connect electric double-screw bolt, be arranged on the upper conducting strip of Zinc-oxide piezoresistor upper end, be arranged on the lower conducting strip of Zinc-oxide piezoresistor lower end, the resin protective layer of parcel Zinc-oxide piezoresistor, temperature sensor, the middle control module being electrically connected to temperature sensor, and the radio receiving transmitting module being connected with middle control module, on connect electric double-screw bolt bottom be crimped on the top of conducting strip, under connect electric double-screw bolt top apical grafting on the bottom of lower conducting strip, between the outer wall of resin protective layer and Zinc-oxide piezoresistor, leave the air gap being communicated with atmosphere.
In such scheme, between a clamp hole of isolating switch outlet column and insulation puncture line clamping, by the first insulation cable, be electrically connected to, between another clamp hole of insulation puncture line clamping and high tension terminal, by the second insulation cable, be electrically connected to.
In such scheme, described temperature sensor comprises two thermo-sensitive resistors that are positioned at insulation crust, and these two thermo-sensitive resistors distribute and are arranged on the outside of Zinc-oxide piezoresistor; Described middle control module and radio receiving transmitting module cast in insulation crust.
In such scheme, thermo-sensitive resistor is in abutting connection with air gap setting.
The utility model, owing to adopting insulation puncture line clamping to be connected isolating switch outlet column and high tension terminal with insulation cable, can effectively promote the electrical insulation properties in hyperbaric chamber, and performance is more reliable and more stable.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of perspective view of lightning arrester in transformer station shown in Fig. 1;
Fig. 3 is a kind of schematic diagram that partly cuts open of lightning arrester shown in Fig. 2;
Fig. 4 is a kind of perspective view of lightning arrester shown in Fig. 2;
A kind of perspective view of Fig. 5 when to be lightning arrester shown in Fig. 2 observe from another angle.
Embodiment
(embodiment 1)
The present embodiment is a kind of transformer station, sees shown in Fig. 1 to Fig. 5, comprises hyperbaric chamber 71, transformer room 72 and low-pressure chamber 73; In hyperbaric chamber, be provided with the isolating switch 74, lightning arrester 75 and the high tension terminal 76 for being electrically connected to transformer room that are connected with external high-tension cable; Lightning arrester is arranged on the line of isolating switch outlet column 741 and high tension terminal; Lightning arrester comprises and is provided with the insulation puncture line clamping in two clamp holes and the zinc oxide arrester 5 being electrically connected to insulation puncture line clamping; Between a clamp hole of isolating switch outlet column and insulation puncture line clamping, by the first insulation cable 77, be electrically connected to, between another clamp hole of insulation puncture line clamping and high tension terminal, by the second insulation cable 78, be electrically connected to.
Described insulation puncture line clamping comprises insulating base 1, lower insulating base 2, is arranged on two puncture tool rests 3, upper positioning metal part 4, lower positioning metal part 5 and bolt fastening components 6 in insulating base and lower insulating base; The center of described two punctures tool rest 3, upper positioning metal part 4 and lower positioning metal parts 5 is equipped with the waist-shaped hole 100 running through along the vertical direction, described bolt fastening component comprises screw rod 61 and nut 62, screw rod is screwed onto in nut through after each waist-shaped hole from top to bottom successively, thereby upper positioning metal part, two puncture tool rests and lower positioning metal part are connected and fixed successively; Upper insulating base center is provided with the circular through-hole 11 running through along the vertical direction, and the forced section 611 of tightening of described screw rod exposes this circular through-hole; Described nut is the square column type that is provided with inner bolt hole, and the middle part of lower insulating base is provided with for the square containing cavity 21 of this nut is set.
The one-body molded setting of each tool rest that punctures, its one side is provided with the lancination 31 that four lines be arranged in parallel, the arc-shaped limit face 33 that another side center is provided with detent 32 and is positioned at detent both sides; The basic configuration of upper positioning metal part and lower positioning metal part is that arc is tabular, and its one side in abutting connection with each puncture tool rest is provided with for being connected to the location frustum 200 of detent, and described waist-shaped hole is positioned at this frustum center, location.The upper and lower clamping of two puncture tool rests forms two clamp holes.
Described zinc oxide arrester 5 comprises insulation crust 51, be arranged on Zinc-oxide piezoresistor 52 in insulation crust, be electrically connected to Zinc-oxide piezoresistor upper end on connect electric double-screw bolt 53, be electrically connected to Zinc-oxide piezoresistor lower end under connect electric double-screw bolt 54, temperature sensor 59, the middle control module being electrically connected to temperature sensor and the radio receiving transmitting module being connected with middle control module; The bottom of second folder is also provided with a screw 31, and the top that connects electric double-screw bolt on described is spirally connected and is fixedly installed in this screw.In the present embodiment, the upper end of Zinc-oxide piezoresistor is provided with conducting strip 55, the lower end of Zinc-oxide piezoresistor is provided with lower conducting strip 56, and the bottom that above connects electric double-screw bolt 53 is crimped on the top of conducting strip 55, under connect electric double-screw bolt 54 top apical grafting on the bottom of lower conducting strip 56.In addition, in insulation crust 51, be provided with for wrapping up the resin protective layer 57 of Zinc-oxide piezoresistor, between this resin protective layer 57 and the outer wall of Zinc-oxide piezoresistor, leave air gap 58; Described resin protective layer 57 is that liquid resin is cast in insulation crust, treats that its curing molding makes.Described temperature sensor 59 comprises two thermo-sensitive resistors that are positioned at insulation crust 51, and these two thermo-sensitive resistors distribute and are arranged on the outside of Zinc-oxide piezoresistor; Described middle control module and radio receiving transmitting module can cast in insulation crust 51, also can be arranged on outside insulation crust 51, only by wire, are electrically connected to thermo-sensitive resistor.In the present embodiment, each thermo-sensitive resistor arranges in abutting connection with air gap 58, because occur once thunderbolt, in this air gap, air themperature can sharply raise, and compares the cured resin inside that thermo-sensitive resistor is embedded in to non-conductor, and this structural response is rapid, sensitiveer reliable.In use, if monitor thermo-sensitive resistor, the variation of temperature rise is in preset range suddenly for this kind of structure, and middle control module judges that Zinc-oxide piezoresistor is by a thunder-strike current, and this information exchange is crossed to radio receiving transmitting module sends to distance host.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (4)
1.Yi Zhong transformer station, comprises hyperbaric chamber, transformer room and low-pressure chamber, in hyperbaric chamber, be provided with the isolating switch, lightning arrester and the high tension terminal for being electrically connected to transformer room that are connected with external high-tension cable, lightning arrester is arranged on the line of isolating switch outlet column and high tension terminal, it is characterized in that: lightning arrester comprises and is provided with the insulation puncture line clamping in two clamp holes and the zinc oxide arrester being electrically connected to insulation puncture line clamping, described zinc oxide arrester comprises insulation crust, be arranged on the Zinc-oxide piezoresistor in insulation crust, on being electrically connected to Zinc-oxide piezoresistor upper end, connect electric double-screw bolt, under being electrically connected to Zinc-oxide piezoresistor lower end, connect electric double-screw bolt, be arranged on the upper conducting strip of Zinc-oxide piezoresistor upper end, be arranged on the lower conducting strip of Zinc-oxide piezoresistor lower end, the resin protective layer of parcel Zinc-oxide piezoresistor, temperature sensor, the middle control module being electrically connected to temperature sensor, and the radio receiving transmitting module being connected with middle control module, on connect electric double-screw bolt bottom be crimped on the top of conducting strip, under connect electric double-screw bolt top apical grafting on the bottom of lower conducting strip, between the outer wall of resin protective layer and Zinc-oxide piezoresistor, leave the air gap being communicated with atmosphere.
2. transformer station according to claim 1, it is characterized in that: between a clamp hole of isolating switch outlet column and insulation puncture line clamping, by the first insulation cable, be electrically connected to, between another clamp hole of insulation puncture line clamping and high tension terminal, by the second insulation cable, be electrically connected to.
3. transformer station according to claim 2, is characterized in that: described temperature sensor comprises two thermo-sensitive resistors that are positioned at insulation crust, and these two thermo-sensitive resistors distribute and are arranged on the outside of Zinc-oxide piezoresistor; Described middle control module and radio receiving transmitting module cast in insulation crust.
4. transformer station according to claim 3, is characterized in that: thermo-sensitive resistor is in abutting connection with air gap setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823347.7U CN203911311U (en) | 2013-12-11 | 2013-12-11 | Substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823347.7U CN203911311U (en) | 2013-12-11 | 2013-12-11 | Substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911311U true CN203911311U (en) | 2014-10-29 |
Family
ID=51785557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320823347.7U Expired - Fee Related CN203911311U (en) | 2013-12-11 | 2013-12-11 | Substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203911311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730854A (en) * | 2013-12-11 | 2014-04-16 | 乐清市风杰电子科技有限公司 | Transformer substation |
-
2013
- 2013-12-11 CN CN201320823347.7U patent/CN203911311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730854A (en) * | 2013-12-11 | 2014-04-16 | 乐清市风杰电子科技有限公司 | Transformer substation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANXI JINGUO ELECTRIC POWER SURVEY + DESIGN CO., Free format text: FORMER OWNER: YUEQING FENGJIE ELECTRONICS TECHNOLOGY CO., LTD. Effective date: 20150716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150716 Address after: 034000, 4 buildings, 0005 hills, Fen Yuen Street, Xinzhou Development Zone, Shanxi Patentee after: Electric survey design industry Co., Ltd of Shanxi state Address before: Liushi Town, Yueqing city of Zhejiang Province, Wenzhou City West 325600 Ren Dang village Patentee before: YUEQING FENGJIE ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |