CN205069322U - Novel transformer high pressure is qualified for next round of competitions device - Google Patents
Novel transformer high pressure is qualified for next round of competitions device Download PDFInfo
- Publication number
- CN205069322U CN205069322U CN201520756011.2U CN201520756011U CN205069322U CN 205069322 U CN205069322 U CN 205069322U CN 201520756011 U CN201520756011 U CN 201520756011U CN 205069322 U CN205069322 U CN 205069322U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- bushing
- conservator
- coil
- transformer body
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 7
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract 2
- 238000004880 explosion Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a novel transformer high pressure is qualified for next round of competitions device, including conservator, sleeve, high -tension bushing, play wire sleeve flange, the seat that risees, insulating fiber container I, insulating fiber container II, flexible coupling pass a bridge line, cable head sleeve pipe, XLPE cable, main body conservator, transformer main body, coil lead wire, transition lead wire, lead wire transition joint, the intraductal copper of cover pipe and the coil of becoming, the connection of conservator below is provided with closed sleeve pipe, it is provided with high -tension bushing and cable head sleeve pipe to seal the cover intraduct. The utility model discloses simple structure, it is very convenient that transformer bushing detects, as long as stop to detect in several hours temporarily in the trouble developing process, just can discover hidden danger so, avoids the emergence of explosion, and convenient operation, safe in utilization.
Description
Technical field
The utility model relates to a kind of novel transformer high-voltage terminal device.
Background technology
By technological requirement, the lead-in wire 14 in high pressure copper sleeve 3 all holds with dry crimped paper and tape half stacked, insulate to make lead-in wire and copper sleeve.Whole lead-in wire only has being fixedly connected with of meeting attribute with cannula tip, can not have second metallic contact point in addition, in order to avoid copper pipe is shunted and affects the safe operation of sleeve pipe in running.Find in actual motion, the nineties 20th century of part, the fastening screw (M12, interior hexangle type) of lead-in wire transition joint 15 of product was oversize, usually protruded joint plane 10 ~ 15mm.Because transformer has certain vibration, add electrodynamic impact, in the course of time, the screw rod of protrusion will gall outsourcing crimped paper and the tape of lead-in wire.There is metallic contact once exposed screw rod and copper pipe, no matter be intermittent also contact for a long time, copper pipe all can be caused to shunt.Particularly intermittence is touched and will be caused sparkover, causes sleeve pipe corresponding position local temperature rise, and then causes sleeve pipe thermoelectricity breakdown accident.Once there is 1 main transformer C phase bushing explosive incident October calendar year 2001 in certain company of south, causes of incident is exactly, after screw rod wears out surrounding layer, touch with copper pipe, causes shunting electric discharge, cause local overheating, finally cause capacitance of bushing layer to puncture and formed and puncture ground connection.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of novel transformer high-voltage terminal device, the housing construction of carbon removing machine is reasonable in design, easy to use, is convenient to mobile.
The utility model is achieved through the following technical solutions: a kind of novel transformer high-voltage terminal device, comprises conservator, sleeve, bushing, outlet casing tube flange, raise seat, insulating paper cylinder I, insulating paper cylinder II, be flexible coupling intercoil connection, cable end sleeve pipe, XLPE cable, main transformer body conservator, transformer body, coil lead, transition lead wire, lead-in wire transition joint, copper pipe and coil in sleeve pipe, closed casing is connected with below described conservator, described closed casing inside is provided with bushing and cable end sleeve pipe, described bushing is connected with cable end sleeve pipe by the intercoil connection that is flexible coupling, described bushing arranged outside has insulating paper cylinder I, described cable end outside of sleeve is provided with insulating paper cylinder II, XLPE cable is connected with below described cable end sleeve pipe, described bushing is provided with outlet casing tube flange, described bushing is connected with the rising seat be arranged in transformer body by outlet casing tube flange, main transformer body conservator is provided with above described main transformer body, described main transformer body inside is provided with coil, and described coil is connected with the lead-in wire transition joint of copper pipe in sleeve pipe by coil lead.
As preferably, described bushing and cable end sleeve pipe are outside equipped with metal cylinder.
As preferably, it is 100 ~ 200mm that described sleeve apical side height exceeds main transformer body conservator apical side height.
The utility model structure is simple, and bushing shell for transformer detects and talks about very easily, as long as so stop within several hours, to detect in fault progression process temporarily, just can scent a hidden danger, and avoids the generation of exploding; And easy to operate, use safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings;
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
As shown in Figure 1, the utility model relates to a kind of novel transformer high-voltage terminal device, comprises conservator 1, sleeve 2, bushing 3, outlet casing tube flange 4, raise seat 5, insulating paper cylinder I 6, insulating paper cylinder II 7, be flexible coupling intercoil connection 8, cable end sleeve pipe 9, XLPE cable 10, main transformer body conservator 11, transformer body 12, coil lead 13, transition lead wire 14, lead-in wire transition joint 15, copper pipe 16 and coil 17 in sleeve pipe, closed casing 2 is connected with below described conservator 1, described closed casing 2 inside is provided with bushing 3 and cable end sleeve pipe 9, described bushing 3 is connected with cable end sleeve pipe 9 by the intercoil connection 8 that is flexible coupling, described bushing 3 arranged outside has insulating paper cylinder I 6, described cable end sleeve pipe 9 arranged outside has insulating paper cylinder II 7, XLPE cable 10 is connected with below described cable end sleeve pipe 9, described bushing 3 is provided with outlet casing tube flange 4, described bushing 3 is connected with the rising seat 5 be arranged in transformer body 12 by outlet casing tube flange 4, main transformer body conservator 11 is provided with above described main transformer body 12, described main transformer body 12 inside is provided with coil 17, described coil 17 is connected with the lead-in wire transition joint 15 of copper pipe in sleeve pipe 16 by coil lead 13, universal wheel is provided with bottom described main transformer body 12, described main transformer body 12 is provided with observation window, described main transformer body 12 is provided with controller.It should be noted that described bushing 3 and cable end sleeve pipe 9 are outside equipped with metal cylinder.
It should be noted that described sleeve 2 apical side height exceeds main transformer body conservator 11 apical side height is 100 ~ 200mm.
The fastening screw of lead-in wire transition joint is processed polishing, the corner angle do not protruded after making it tighten again, strengthens the surrounding layer of whole lead-in wire simultaneously.In addition, after threading wrapped by lead-in wire, as a kind of final quality inspection means, the insulation resistance between lead-in wire and copper pipe (i.e. internal surface of sleeve pipe) to be measured before upper end is fixing.Method lead-in wire appropriateness is mentioned from sleeve upper end hole insulating cord, is encased inside upper end hole and lead ends and metal hole wall are separated, then survey it with 500V megohm meter with fish paper.General Requirements resistance value must not lower than 1M Ω.The too low explanation of resistance value: be not that insulating barrier is not wrapped is exactly that paper tape used is dirty or moisture is too heavy.The unit that these measures to rectify and reform can be provided with same category of device uses for reference, and corresponding technological requirement also should write maintenance procedure.
The aperture of brill 1 diameter 14mm in P place in seat plane is raised at sleeve bottom, and fill 1 small casing, then with 4mm2 oil resistant insulating wire, bottom shielding of bushing is connected with the small casing guide rod of new clothes, then with the copper litz wire of 10mm2, small casing guide rod outer end is connected with rising seat chassis.Like this, only need pressurize at neutral point when detection thimble, hold slotted line to draw the Cx of electric bridge to receive the small casing place that installs additional can (ground connection of small casing will be opened) simultaneously, easily.
After main transformer is stopped transport, to drain the oil interior inspection to sleeve, find that the sealing ring of the air vent bolt at G point place on C phase sleeve inner high voltage casing flange dish is bad, interior leak source is this place just.
From high-pressure side assembly structure, AB line is higher than CD line, when sleeve oil flows to main transformer body fuel tank in a large number when very serious (in leak), except there is full oil condition in body conservator, the accident of the ground connection that more seriously may cause because of oil starvation discharging between gap bridge line 8 pairs of sleeve metal shells.
(1) all seals in sleeve, especially with the relevant person of body oil, quality all should be excellent, and install reliable.
(2) sleeve should carry out associating considering with the setting height(from bottom) of body conservator.Generally speaking, CD line in Fig. 1 should be made higher than AB line 100 ~ 200mm, can to ensure that gap bridge line 8 there will not be scarce oil condition like this.
In sum, to the high-power transformer with transition lead wire joint and oil-filled sleeve closes outlet method, user should note following relevant points with manufacture commercial city:
(1) pigtail splice should be smooth fastening and hold good, prevents shunting and serious fever phenomenon.
(2) bushing must be monitored by prerun requirement, even if also will manage transformation bottom shielding of bushing lead-in wire to detect to above-mentioned enclosed construction.
(3) not only to consider the outside seal of oil system, be also noted that the interior leakage problem in two oil channel structures.Therefore want the quality of emphasis on interior seal, the position related question of body conservator and outgoing line device oil circuit will be considered simultaneously.
(4) should focus on patrolling and examining, analyze the change of large and small two oil pillow oil levels, so that the issuable interior burst of Timeliness coverage falls into.
The standardized element that the utility model uses all can be commercially, shaped piece all can carry out customized according to specification with the record of accompanying drawing, the concrete connected mode of each part all adopts the conventional means such as bolt, rivet, welding ripe in prior art, machinery, part and equipment all adopt in prior art, conventional model, add that circuit connects and adopt connected mode conventional in prior art, be not described in detail in this.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a novel transformer high-voltage terminal device, it is characterized in that, comprise conservator (1), sleeve (2), bushing (3), outlet casing tube flange (4), raise seat (5), insulating paper cylinder I (6), insulating paper cylinder II (7), be flexible coupling intercoil connection (8), cable end sleeve pipe (9), XLPE cable (10), main transformer body conservator (11), transformer body (12), coil lead (13), transition lead wire (14), lead-in wire transition joint (15), copper pipe (16) and coil (17) in sleeve pipe, described conservator (1) below is connected with closed casing (2), described closed casing (2) inside is provided with bushing (3) and cable end sleeve pipe (9), described bushing (3) is connected with cable end sleeve pipe (9) by the intercoil connection that is flexible coupling (8), described bushing (3) arranged outside has insulating paper cylinder I (6), described cable end sleeve pipe (9) arranged outside has insulating paper cylinder II (7), described cable end sleeve pipe (9) below is connected with XLPE cable (10), described bushing (3) is provided with outlet casing tube flange (4), described bushing (3) is connected with the rising seat (5) be arranged in transformer body (12) by outlet casing tube flange (4), described main transformer body (12) top is provided with main transformer body conservator (11), described main transformer body (12) inside is provided with coil (17), described coil (17) is connected with the lead-in wire transition joint (15) of copper pipe in sleeve pipe (16) by coil lead (13).
2. a kind of novel transformer high-voltage terminal device according to claim 1, is characterized in that, described bushing (3) and cable end sleeve pipe (9) are outside equipped with metal cylinder.
3. a kind of novel transformer high-voltage terminal device according to claim 1, is characterized in that, it is 100 ~ 200mm that described sleeve (2) apical side height exceeds main transformer body conservator (11) apical side height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756011.2U CN205069322U (en) | 2015-09-28 | 2015-09-28 | Novel transformer high pressure is qualified for next round of competitions device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756011.2U CN205069322U (en) | 2015-09-28 | 2015-09-28 | Novel transformer high pressure is qualified for next round of competitions device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069322U true CN205069322U (en) | 2016-03-02 |
Family
ID=55395843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520756011.2U Expired - Fee Related CN205069322U (en) | 2015-09-28 | 2015-09-28 | Novel transformer high pressure is qualified for next round of competitions device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742625A (en) * | 2019-03-08 | 2019-05-10 | 哈尔滨理工大学 | A kind of crude oil electric dewatering transformer high voltage flexible connecting device and its installation method |
| CN111029088A (en) * | 2019-12-24 | 2020-04-17 | 保定天威保变电气股份有限公司 | Anti-explosion structure between transformer lifting seat and sleeve and installation method |
-
2015
- 2015-09-28 CN CN201520756011.2U patent/CN205069322U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742625A (en) * | 2019-03-08 | 2019-05-10 | 哈尔滨理工大学 | A kind of crude oil electric dewatering transformer high voltage flexible connecting device and its installation method |
| CN109742625B (en) * | 2019-03-08 | 2023-06-06 | 哈尔滨理工大学 | High-voltage flexible connection device for crude oil electric dehydration transformer and installation method thereof |
| CN111029088A (en) * | 2019-12-24 | 2020-04-17 | 保定天威保变电气股份有限公司 | Anti-explosion structure between transformer lifting seat and sleeve and installation method |
| CN111029088B (en) * | 2019-12-24 | 2023-11-21 | 保定天威保变电气股份有限公司 | Explosion-proof structure between transformer lifting seat and sleeve and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Kai Inventor before: Dong Haibin |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160902 Address after: 221300, No. 6, Binhu Avenue, Pizhou hi tech Industrial Development Zone, Xuzhou, Jiangsu Patentee after: Xuzhou YONGGU Electric Equipment Co., Ltd. Address before: 325203 Zhejiang city of Wenzhou province Ruian City Xin Cheng Zhen Xian Jia Road No. 64 Patentee before: Dong Haibin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |