CN204087977U - The buried energy-economic transformer of a kind of inner cone connecting-type - Google Patents
The buried energy-economic transformer of a kind of inner cone connecting-type Download PDFInfo
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- CN204087977U CN204087977U CN201420585059.7U CN201420585059U CN204087977U CN 204087977 U CN204087977 U CN 204087977U CN 201420585059 U CN201420585059 U CN 201420585059U CN 204087977 U CN204087977 U CN 204087977U
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- inner cone
- fuel tank
- connector
- transformer
- cover plate
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Abstract
The utility model discloses the buried energy-economic transformer of a kind of inner cone connecting-type, comprise fuel tank, the cover plate being contained in the transformer core in fuel tank and being fixed on above fuel tank, also comprise setting interior tapered connector on the cover board, described interior tapered connector comprises the inner cone molded cannula be immersed in fuel tank, the set bolt being contained in the connector-copper seat bottom inner cone molded cannula and being fixed on described connector-copper seat, described inner cone molded cannula and connector-copper seat are tightly connected, described inner cone molded cannula is connected with cover plate for sealing by O RunddichtringO, described connector-copper seat is connected to the wire clamp place of transformer core by high-low voltage leads, described high-low voltage leads is fixed by set bolt and described connector-copper seat.Tapered connector in the utility model adopts, its inner space is formed and seals completely, and reach electrical safety and run, thus make water, moisture, dust, mechanical external force, toy etc. all can not affect, and immerses and destroys.
Description
Technical field
The utility model relates to field of electrical equipment, more particularly relates to the buried energy-economic transformer of a kind of inner cone connecting-type.
Background technology
Power transmission and distribution and control appliance manufacturing industry are national advanced manufacturing industry and new high-tech industry, by national multinomial policy support.In " People's Republic of China's national economy and social development the 12 five-year-plan outline ", chapter 11 promotes Section of three reinforcement energy transfer passage construction in production of energy and Land use systems change: the requirement adapting to extensive transregional transmission of electricity and new energy power generation grid-connection, accelerate modern power network System Construction, further expansion transferring electricity from the west to the east scale, improve region mains network, the Large Copacity such as development ultra high voltage, high efficiency, remote advanced technology of transmission of electricity, support information, the advanced technologies such as control and energy storage, propelling intelligent grid is built, the construction and upgrading of practical reinforcement urban and rural power grids, strengthen network optimization configuration power capability and power supply reliability.
State Council's National Program for Medium-to Long-term Scientific and Technological Development (2006-2020) proposes in " major fields and preferential theme thereof ": " the primary study exploitation remote HVDC Transmission Technology of Large Copacity and ultra-high voltage AC transmission technique and equipment, grid-connected and the transmission & distribution technology of fitful power, electric energy quality monitoring and control technology, the safeguard technology of extensive interconnected network, key technology in West-East Power Transmission Project, power system dispatching automation technique, efficient distribution and power supply management information technology and system "." " 12 " energy-conserving and environment-protective industrial development planning " proposes in chapter 3 Energy Saving Industry major fields: " electric motor and driving equipment.Demonstration And Extension rare earth permanent magnetic non-iron-core motor, the motor energy-saving efficient motor technology and equipments such as copper casting rotor technology; Widely popularize the technology and equipments such as middle-size and small-size threephase asynchronous that efficiency grade is firsts and seconds, ventilation blower, water pump, air compressor machine and frequency control, improve electric system overall operation efficiency." demand for development.And in Energy Saving Industry key technology, propose that " Medium Voltage Variable Frequency Speed Regulation Technology is used for the motor driving system such as high-power blower, water pump, compressor.Energy conservation potential about 1,000 hundred million kilowatt hour.Research Emphasis is critical component insulated gate polar form power tube (IGBT) and superpower Medium Voltage Variable Frequency Speed Regulation Technology." as giving priority to project." energy-saving and emission-reduction " 12 " planning " proposes in main task: promote efficiency level and improve, and " accelerates active service unit and electric power network technique transformation, reduces station service power consumption rate and power transmission and distribution line loss." to reach that electric network synthetic line loss rate to drop to 2015 from 6.53% in 2010 6.3%." ad hoc planning of intelligent grid great scientific and technological industrialization engineering " 12 " " that the promulgation of " electric power " 12 " development plan " and the Department of Science and Technology issue will promote the development of various places intelligent grid, and various places put into effect intelligent grid " 12 " development plan successively.During " 12 ", intelligent grid will be rapidly developed, and drive the fast development of power transmission and distribution and control appliance industry simultaneously.
As can be seen here, country will impel the sustainable development of one's own profession science, specification to the manufacturing encouragement of power transmission and distribution control appliance and support policy.
At present, China's actual conditions are had a large population and a few land, and on average take up an area 7.21m
2box-type substation be difficult to bear concerning close-packed Chinese business district.Town and country modernization construction progress faster, traditional box-type substation gold ground tying up downtown area disorderly straggly, seem incompatible with the urban environment of grace, according to Urban ecological design theory, Covered transformer is exactly requirement in order to meet above-mentioned field and a kind of electric power complete set of equipments designed and developed.
Current Covered transformer has two kinds of frame modes, and one is European, and it adopts epoxy resin as insulating material, products characteristics is easy for installation, hole of directly cutting the earth, landfill again after connection line, but capacity is very little, be generally no more than 100KVA, be only confined to street lighting.Another kind is American, also known as underground transformer, domesticly this, the compact converting equipments be positioned in fuel tank such as transformer, high voltage load switch, fuse is called underground combined transformer.It is arranged in melt pit, does not take spatial surface, and can be immersed in water within a period of time and run, and it is the distribution system extensively adopted in big and medium-sized cities, America.The New York of the U.S., Chicago, the flourishing big city of the ans inch of land is an inch of gold such as Canadian Vancouver, Toronto all adopts Covered transformer as the capital equipment of 10KVA distribution.
And the multiplex oil-filled transformer of Covered transformer of extensive use at present, shell by oil-filled transformer reaches the object of antiseep, waterproof, but in actual motion, all there is following a few class problem: the high pressure connected mode of a lot of Covered transformer adopts separable connector (connect-disconnect plug) connection used in common European or American outdoor cable branch box, sealing deficiency; The casing of most of Covered transformer is not through special soda acid PROCESS FOR TREATMENT, and do not possess long-play in the wet environment of underground, cabinet shell can be corroded, thus causes operation power potential safety hazard; A lot of Covered transformer self does not have underground operation function, can only rely on ground, basis, melt pit cover plate hermetically sealed come waterproof and dampproof, once cover plate is damaged, has water or moisture to immerse and just cause operation power potential safety hazard; The pulsating pump that the operation of a lot of Covered transformer relies on ground, basis, melt pit corner built-in carrys out draining, once run into the big yield situations such as heavy rain to pour into underground foundation, just loses Excretion, thus causes transformer security of operation hidden danger; The high pressure connected mode of a lot of Covered transformer adopts the traditional silicon rubber mode that is flexible coupling exposed in melt pit, effectively can not prevent the destruction of toy and mechanical external force, thus the security of operation hidden danger that increases electric power.
Utility model content
The problem that the utility model mainly solves is to solve the deficiencies in the prior art, provides one both energy-conservation, again can the buried energy-economic transformer of inner cone connecting-type that effectively waterproof, sealing are good.
For solving the problem, the utility model adopts following technical scheme:
The buried energy-economic transformer of a kind of inner cone connecting-type, comprise fuel tank, the cover plate being contained in the transformer core in fuel tank and being fixed on above fuel tank, also comprise setting interior tapered connector on the cover board, described interior tapered connector comprises the inner cone molded cannula be immersed in fuel tank, the set bolt being contained in the connector-copper seat bottom inner cone molded cannula and being fixed on described connector-copper seat, described inner cone molded cannula and connector-copper seat are tightly connected, described inner cone molded cannula is connected with cover plate for sealing by O RunddichtringO, described connector-copper seat is connected to the wire clamp place of transformer core by high-low voltage leads, described high-low voltage leads is fixed by set bolt and described connector-copper seat.
Further, described interior tapered connector comprise three for connect high-voltage line high-voltage line in tapered connector with four for be connected low-voltage line low-voltage line in tapered connector.
Further, described inner cone molded cannula is made up of insulating material.
Further, described inner cone molded cannula inside is the terminals of high-low pressure cable, and the connection jaws of described high-low pressure cable is the silicon rubber stress cone insulation annex that outer insulation diameter is greater than conical sleeve base inner diameter.
Further, described fuel tank encapsulation process, described fuel tank and cover plate are sealed by sealing ring, and described fuel tank and cover plate are made up of the material through special soda acid PROCESS FOR TREATMENT, and waterproof ability is strong.
Further, described transformer core is connected by fixed connecting piece with cover plate, and described cover plate top is provided with the suspension ring due to hook.
Further, the transformer core of described fuel tank internal is completely cut off by insulation board with the base being contained in tank bottoms.
Further, described tank bottoms is provided with the cross bar that two support described fuel tank, and described cross bar is by described fuel tank and surface separation.
Further, described lid surface is provided with the earth stud for ground connection.
Further, described transformer core uses S11, S13 type Energy-saving iron-core.
Owing to adopting technique scheme, the utility model has following superiority:
1, the buried energy-economic transformer of this inner cone connecting-type adopts S11, S13 type Energy-saving iron-core, and larger decreases unloaded power consumption and no-load current, meets the requirement of energy-conserving and environment-protective.
2, the tie point of this inner cone connecting-type buried energy-economic transformer high pressure inlet wire and low-pressure line-outgoing is all in sealing in tapered connector, the inner cone molded cannula of interior tapered connector is made by the epoxide resin material that all insulation hardness is high, and and cover plate for sealing, to be insulated annex stress interference fit by the silicon rubber stress cone in inner cone molded cannula and high-low pressure cable, make fitting tightly of interior tapered connector interior contact critical surface, its inner space is formed seal completely, reach electrical safety to run, thus make water, moisture, dust, mechanical external force, toys etc. all can not affect, immerse and destroy.
3, the fuel tank of the buried energy-economic transformer of this inner cone connecting-type and cover plate all use the material through special soda acid PROCESS FOR TREATMENT to make, can long period of soaking in water.
4, the cover plate of the buried energy-economic transformer of this inner cone connecting-type and transformer core affixed, cover plate is provided with suspension ring, only needs to lay down the fastening bolt connecting cover plate and fuel tank when needing repairing, and utilizes suspension ring that whole cover plate and transformer are sling and can be keeped in repair easily.
5, all fastening bolts of the buried energy-economic transformer of this inner cone connecting-type all adopt stainless steel material to make, and waterproof is antirust, extends the useful life of device.
Accompanying drawing explanation
Fig. 1 is the overall plan view of the buried energy-economic transformer of a kind of inner cone of the utility model connecting-type.
Fig. 2 is the top plan view of the buried energy-economic transformer of a kind of inner cone of the utility model connecting-type.
Fig. 3 is the lifting split schematic diagram of the buried energy-economic transformer of a kind of inner cone of the utility model connecting-type.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, protection range of the present utility model can not be limited with this.
Fig. 1 is the overall plan view of the buried energy-economic transformer of a kind of inner cone of the utility model connecting-type; Fig. 2 is the top plan view of the buried energy-economic transformer of a kind of inner cone of the utility model connecting-type; Fig. 3 is the lifting split schematic diagram of the buried energy-economic transformer of a kind of inner cone of the utility model connecting-type; Visible:
The buried energy-economic transformer of a kind of inner cone connecting-type, comprise fuel tank 1, the cover plate 3 being contained in the transformer core 2 in fuel tank 1 and being fixed on above fuel tank 1, also comprise the interior tapered connector be arranged on cover plate 3, interior tapered connector comprises the inner cone molded cannula 4 be immersed in fuel tank 1, the set bolt 6 being contained in the connector-copper seat 5 bottom inner cone molded cannula 4 and being fixed on connector-copper seat 5, inner cone molded cannula 4 and connector-copper seat 5 are tightly connected, inner cone molded cannula 4 is tightly connected by O RunddichtringO and cover plate 3, connector-copper seat 5 is connected to wire clamp 7 place of transformer core 2 by high-low voltage leads, high-low voltage leads is fixed by set bolt 6 and connector-copper seat 5.
In tapered connector comprise three for connect high-voltage line high-voltage line in tapered connector with four for be connected low-voltage line low-voltage line in tapered connector.
Inner cone molded cannula 4 is made up of insulating material.
Inner cone molded cannula 4 inside is the terminals of high-low pressure cable, and the connection jaws of high-low pressure cable is the silicon rubber stress cone insulation annex that outer insulation diameter is greater than conical sleeve base inner diameter.
Fuel tank 1 encapsulation process, fuel tank 1 and cover plate 3 are sealed by sealing ring, and fuel tank 1 and cover plate 3 are made up of the material through special soda acid PROCESS FOR TREATMENT, and waterproof ability is strong.
Transformer core 2 is connected by fixed connecting piece with cover plate 3, and cover plate 3 top is provided with the suspension ring 8 due to hook.
The transformer core 2 of fuel tank 1 inside is completely cut off by insulation board 10 with the base 9 be contained in bottom fuel tank 1.
Be provided with the cross bar that two support fuel tank 1 bottom fuel tank 1, cross bar is by fuel tank 1 and surface separation.
Cover plate 3 surface is provided with the earth stud 11 for ground connection.
Transformer core 2 uses S11, S13 type Energy-saving iron-core.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, one of ordinary skill in the art will be recognized, use scheme of the present utility model can also realize many optional embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. the buried energy-economic transformer of inner cone connecting-type, comprise fuel tank (1), be contained in the transformer core (2) in fuel tank (1) and be fixed on the cover plate (3) above fuel tank (1), it is characterized in that: also comprise the interior tapered connector be arranged on cover plate (3), described interior tapered connector comprises the inner cone molded cannula (4) be immersed in fuel tank (1), the connector-copper seat (5) being contained in inner cone molded cannula (4) bottom and the set bolt (6) be fixed on described connector-copper seat (5), described inner cone molded cannula (4) and connector-copper seat (5) are tightly connected, described inner cone molded cannula (4) is tightly connected by 0 RunddichtringO and cover plate (3), described connector-copper seat (5) is connected to wire clamp (7) place of transformer core (2) by high-low voltage leads, described high-low voltage leads is fixed by set bolt (6) and described connector-copper seat (5).
2. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, is characterized in that: described interior tapered connector comprise three for connect high-voltage line high-voltage line in tapered connector with four for be connected low-voltage line low-voltage line in tapered connector.
3. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, is characterized in that: described inner cone molded cannula (4) is made up of insulating material.
4. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, it is characterized in that: described inner cone molded cannula (4) inside is the terminals of high-low pressure cable, the connection jaws of described high-low pressure cable is the silicon rubber stress cone insulation annex that outer insulation diameter is greater than conical sleeve base inner diameter.
5. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, it is characterized in that: described fuel tank (1) encapsulation process, described fuel tank (1) and cover plate (3) are sealed by sealing ring, described fuel tank (1) and cover plate (3) are made up of the material through special soda acid PROCESS FOR TREATMENT, and waterproof ability is strong.
6. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, it is characterized in that: described transformer core (2) is connected by fixed connecting piece with cover plate (3), described cover plate (3) top is provided with the suspension ring (8) due to hook.
7. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, is characterized in that: the transformer core (2) that described fuel tank (1) is inner and the base (9) be contained in bottom fuel tank (1) are completely cut off by insulation board (10).
8. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, it is characterized in that: described fuel tank (1) bottom is provided with the cross bar that two support described fuel tank (1), and described cross bar is by described fuel tank (1) and surface separation.
9. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, is characterized in that: described cover plate (3) surface is provided with the earth stud (11) for ground connection.
10. the buried energy-economic transformer of a kind of inner cone connecting-type according to claim 1, is characterized in that: described transformer core (2) uses S11, S13 type Energy-saving iron-core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585059.7U CN204087977U (en) | 2014-09-28 | 2014-09-28 | The buried energy-economic transformer of a kind of inner cone connecting-type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585059.7U CN204087977U (en) | 2014-09-28 | 2014-09-28 | The buried energy-economic transformer of a kind of inner cone connecting-type |
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| CN204087977U true CN204087977U (en) | 2015-01-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118611A (en) * | 2015-07-13 | 2015-12-02 | 国家电网公司 | Method for reducing partial heating of transformer shell |
| CN106158257A (en) * | 2015-03-12 | 2016-11-23 | 刘洋 | A kind of earth-buried dry-type energy saving transformer |
-
2014
- 2014-09-28 CN CN201420585059.7U patent/CN204087977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158257A (en) * | 2015-03-12 | 2016-11-23 | 刘洋 | A kind of earth-buried dry-type energy saving transformer |
| CN105118611A (en) * | 2015-07-13 | 2015-12-02 | 国家电网公司 | Method for reducing partial heating of transformer shell |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |