CN203480998U - Built-in type amorphous alloy chip removing device in oil-immersed amorphous alloy transformer - Google Patents
Built-in type amorphous alloy chip removing device in oil-immersed amorphous alloy transformer Download PDFInfo
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- CN203480998U CN203480998U CN201320555528.6U CN201320555528U CN203480998U CN 203480998 U CN203480998 U CN 203480998U CN 201320555528 U CN201320555528 U CN 201320555528U CN 203480998 U CN203480998 U CN 203480998U
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Abstract
The utility model relates to devices in the field of electrical equipment, in particular to a built-in type amorphous alloy chip removing device in an oil-immersed amorphous alloy transformer. The built-in type amorphous alloy chip removing device is arranged at the bottom inside a box body of the oil-immersed type amorphous alloy transformer. The built-in type amorphous alloy chip removing device comprises a recycling piece, a cushion plate and an iron core baffle, wherein the cushion plate and the iron core baffle are arranged on the recycling piece. The iron core baffle is arranged between the box body of the transformer and the cushion plate. The recycling piece comprises a high-flux permanent magnet material. By means of the built-in type amorphous alloy chip removing device, amorphous alloy chips in oil can be automatically removed in real time, safe running of the oil-immersed amorphous alloy transformer is ensured, and insulation performance reduction and accidents caused by the amorphous alloy chips are avoided.
Description
Technical field
The utility model relates to the device of field of electrical equipment, is specifically related to the built-in scavenge unit of non-crystaline amorphous metal chip in a kind of oil-immersed type non-crystal alloy transformer.
Background technology
At present, along with improving constantly that energy-saving and emission-reduction require, the application of energy-economic transformer is increasing, country and relevant departments are intensive has put into effect a series of encouragement policies, guiding user uses energy-economic transformer in a large number, and amorphous alloy distribution transformer is because of its exclusive extreme low-altitude load-loss performance, by concerned, in National Development and Reform Committee, Ministry of Industry and Information and the Ministry of Finance combine in the 6th crowd of energy-efficient distribution transformer promotion and implementation of the < < energy-conserving product civilian-oriented project detailed rules and regulations > > issuing, the subsidy that clearly proposes the amorphous alloy distribution transformer of one-level energy consumption is respectively: 30 yuan/kVA (oil immersed type amorphous alloy distribution transformers) and 40 yuan/kVA (dry type amorphous alloy distribution transformer), not only rank first of all Energy Saving for Distribution Transformer subsidies, and it is 1.5 times and 1.6 times that equal energy consumption silicon steel transformer is subsidized.Therefore will there is explosive growth in amorphous alloy distribution transformer.
Due to high, the frangible characteristic of the intrinsic hardness of amorphous alloy strips, non-crystaline amorphous metal chip in oil-immersed type non-crystal alloy transformer can be followed the whole transformer of the mobile injection inside of transformer oil when operation, and non-crystaline amorphous metal chip is the conductor that a kind of electric conductivity is good, amount of debris in oil is increased to finite concentration or concentrates and is deposited on a certain specific region (between high-low voltage leads and ground outlet), and the even generation of short circuit accident of transformer insulated decline just very easily occurs.For a long time, this problem is perplexing applying of oil immersed type amorphous alloy distribution transformer always, and directly threaten the security of operation of oil-immersed type non-crystal alloy transformer, especially the major safety risks that the oil-immersed type non-crystal alloy transformer after long-time running exists, although each amorphous alloy transformer manufacturing enterprise has all carried out strict control to chip from being designed into processing links, but owing to can not removing in time the amorphous alloy strips chip producing in running, nor know the concrete quantity of chip (cannot monitor) in casing, therefore effectively do not solved so far.Many times to solve because of the mode that amorphous alloy transformer breaks down the passive labor cleaning of taking just or changes transformer.Passive like this processing mode not only weak effect and also cost high, this be because, for improving power supply reliability and ensureing customer power supply, distribution transformer is in running status in most cases, operation must have a power failure while processing with aforesaid way, to power supply enterprise, cause electric quantity loss and power supply reliability index to decline on the one hand, also to user, bring on the other hand a series of inconvenience such as power failure, be unfavorable for that social stability is with harmonious.This processing mode or be to break down simultaneously, or be exactly very blindly, many times stops after electricity, hangs and when the heart checks, but finds casing intraclast few.Therefore substantially do not adopt the mode checking in advance, special change is that now most oil immersed type amorphous alloy distribution transformers has adopted all-sealed structure, once put into operation, if do not break down, the maintenance of conventionally can not stopping transport.Therefore, adopt succinct method automatically to remove in real time the non-crystaline amorphous metal chip in oil immersed type amorphous alloy distribution transformer, guarantee the safe and reliable operation of oil immersed type amorphous alloy distribution transformer, be puzzlement Transformer Manufacturing Enterprises and power system operation department hard nut to crack for many years, fail for a long time effectively to solve.Although everybody has carried out unremitting effort in this respect, a kind of effective solution is not yet proposed so far, also there are no disclosed patent.。
Therefore, design a kind of safe and reliable, simple and easy to do, cost is low, effective, reusable, the free of contamination method of automatically in real time removing non-crystaline amorphous metal chip in oil-immersed type non-crystal alloy transformer is a new research topic.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide the built-in scavenge unit of non-crystaline amorphous metal chip in a kind of oil-immersed type non-crystal alloy transformer, this device is requiring oil immersed type amorphous alloy distribution transformer manufacturing process and security of operation all constant in the situation that, can automatically remove in real time the non-crystaline amorphous metal chip of amorphous alloy distribution transformer generation in service reusable.
The purpose of this utility model is to adopt following technical proposals to realize:
The utility model provides the built-in scavenge unit of non-crystaline amorphous metal chip in a kind of oil-immersed type non-crystal alloy transformer, its improvements are, described built-in scavenge unit is arranged on amorphous alloy transformer casing inside bottom, and built-in scavenge unit comprises recovery part, is arranged at the backing plate and the baffle plate unshakable in one's determination that reclaim on part; Described baffle plate unshakable in one's determination is arranged between transformer-cabinet and backing plate; Recovery part wherein comprises the permanent magnetic material of high magnetic flux.
Further, described built-in scavenge unit be shaped as rectangle, ellipse, semicircle, circular arc, polygon is trapezoidal or above-mentioned a kind of shape combines above.
Further, described backing plate is non magnetic backing plate.
Further, it is characterized in that, the high magnetic flow permanent magnet body material weight in described built-in scavenge unit is set according to the capacity of amorphous alloy transformer, is conventionally not less than 0.5kg/ platform.
Compared with the prior art, the beneficial effect that the utility model reaches is:
1. the direction of motion of non-crystaline amorphous metal chip when the utility model has been analyzed oil-immersed type non-crystal alloy transformer operation, use the basic principle of permanent magnetic material to the intrinsic absorption of magnetic material, the formula of putting scavenge unit permanent magnetism by the installing of device body bottom reclaims part, remove in real time the amorphous alloy core chip being scattered in transformer oil, reach the object of automatically clearing up in real time chip unshakable in one's determination in oil-immersed type non-crystal alloy transformer oil, its principle science, simple in structure, there is innovation and practical value.
2. the utility model has been installed a scavenge unit in transformer-cabinet bottom, but, compared with the prior art the utility model can not change under the prerequisite that project organization and any technical performance parameter and mounting process are constant, realization is removed automatically in real time to chip unshakable in one's determination in oil-immersed type non-crystal alloy transformer oil, effectively improve the security of operation level of oil-immersed type non-crystal alloy transformer oil, its effect is very remarkable.
3. what the scavenge unit in the utility model can be unlimited recycles, safety and environmental protection, and project organization is simple, implements convenience, wide application, good economy performance.The utility model can be widely used in oil-immersed type non-crystal alloy transformer and other need to be removed in the oil-filled transformer manufacture with magnetic material chip or impurity.
Accompanying drawing explanation
Fig. 1 is the structure chart of the built-in scavenge unit of amorphous alloy transformer that provides of the utility model; Wherein: 1: reclaim part; 2: backing plate; 3: baffle plate unshakable in one's determination; 4: casing; 5: relief valve; 6: bushing;
Fig. 2 is oil immersed type amorphous alloy distribution transformer structure chart in the embodiment of the present invention; Wherein: 1-1-stage clip; 1-2-top board; 1-3-baffle plate unshakable in one's determination; 1-4-fin; 1-5-coil; 1-6-amorphous alloy core; 1-7-high-voltage connection; 5-relief valve; 6-bushing; 1-10-shunting switch.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The built-in scavenge unit of non-crystaline amorphous metal chip in the oil-immersed type non-crystal alloy transformer that the utility model provides, can require in all constant situation oil immersed type amorphous alloy distribution transformer manufacturing process and security of operation, the non-crystaline amorphous metal chip that can automatically remove in real time amorphous alloy distribution transformer generation in service is also reusable.
The utility model is in the box inside bottom of oil-immersed type non-crystal alloy transformer, built-in scavenge unit is installed, the oil cooled natural flow of transformer while moving by transformer, the non-crystaline amorphous metal chip being scattered in transformer oil is automatically adsorbed in real time and is fixed on built-in scavenge unit surface, for realizing automatically removing in real time the non-crystaline amorphous metal chip of oil-immersed type non-crystal alloy transformer.
The structure chart of the built-in scavenge unit of amorphous alloy transformer that the utility model provides as shown in Figure 1, is specifically achieved through the following technical solutions:
Adopt the automatically real-time scavenge unit (hereinafter to be referred as built-in scavenge unit) of built-in non-crystaline amorphous metal chip, its structure chart as shown in Figure 1, it is the soft magnetism characteristic of utilizing non-crystaline amorphous metal chip intrinsic, some high magnetic flow permanent magnet materials (particle or monoblock all can) are encapsulated in the nonwoven fabrics of oil resistant or the bag of other material and fasten sack, and then built-in scavenge unit is placed directly in to the bottom in fuel tank, the circulating of transformer oil in fuel tank while utilizing so the intrinsic Action of Gravity Field of non-crystaline amorphous metal chip and transformer operation, by the non-crystaline amorphous metal chip automatic absorbing in oil and be fixed on the periphery of built-in scavenge unit, the magnetic attraction producing due to built-in scavenge unit is very large, therefore by its absorption and fixing non-crystaline amorphous metal chip, can again do not got back in oil, thereby realize the cleaning in real time automatically to non-crystaline amorphous metal chip in oil, ensure the safe operation of amorphous alloy transformer, avoid the decreasing insulating and the accident that by non-crystaline amorphous metal chip, are caused.
Built-in scavenge unit comprises recovery part 1, is arranged at the backing plate 2 and the baffle plate unshakable in one's determination 3 that reclaim on part; Described baffle plate unshakable in one's determination 3 is arranged between transformer-cabinet 4 and backing plate 2; At transformer-cabinet 4 top surface high order ends or low order end, be provided with relief valve 5, on transformer-cabinet top surface, be provided with the bushing 6 of parallel arrangement successively.Recovery part 1 wherein comprises the permanent magnetic material of high magnetic flux.Backing plate 2 is non magnetic backing plate.
Built-in scavenge unit can be a kind of in rectangle, ellipse, semicircle (circular arc), polygon, trapezoidal and any one shape type, can be also combination more than above-mentioned a kind of shape.
Described built-in scavenge unit should be arranged to a platypelloid type structure, permanent magnet is contained in the Non-woven cloth bag of transformer oil resistant corrosion, different according to transformer capacity, the permanent magnet weight holding in each built-in scavenge unit can be determined voluntarily according to the size of transformer capacity, but be advisable to be not less than 0.5kg/ platform.
Described oil immersed type amorphous alloy distribution transformer structure chart as shown in Figure 2, comprises casing, baffle plate 1-3 unshakable in one's determination, fin 1-4, coil 1-5, amorphous alloy core 1-6, high-voltage connection 1-7, relief valve 5, bushing 6 and shunting switch 1-8.Denoising device is put and is comprised top board 1-1 and stage clip 1-2, and described stage clip 1-2 is fixed on top board 1-1 bottom by bolt crimping mode or welding manner.
The built-in scavenge unit that the utility model provides is realized the cleaning in real time automatically to non-crystaline amorphous metal chip in oil, ensures the safe operation of amorphous alloy transformer, avoids the decreasing insulating and the accident that by non-crystaline amorphous metal chip, are caused.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. the built-in scavenge unit of non-crystaline amorphous metal chip in an oil-immersed type non-crystal alloy transformer, it is characterized in that, described built-in scavenge unit is arranged on oil-immersed type non-crystal alloy transformer box inside bottom, and built-in scavenge unit comprises recovery part, is arranged at the backing plate and the baffle plate unshakable in one's determination that reclaim on part; Described baffle plate unshakable in one's determination is arranged between transformer-cabinet and backing plate; Recovery part wherein comprises the permanent magnetic material of high magnetic flux.
2. built-in scavenge unit as claimed in claim 1, is characterized in that, described built-in scavenge unit be shaped as rectangle, ellipse, semicircle, circular arc, polygon is trapezoidal or above-mentioned a kind of shape combines above.
3. built-in scavenge unit as claimed in claim 1, is characterized in that, described backing plate is non magnetic backing plate.
4. the built-in scavenge unit as described in any one in claim 1-3, is characterized in that, the high magnetic flow permanent magnet body material weight in described built-in scavenge unit is set according to the capacity of amorphous alloy transformer, is not less than 0.5kg/ platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555528.6U CN203480998U (en) | 2013-09-09 | 2013-09-09 | Built-in type amorphous alloy chip removing device in oil-immersed amorphous alloy transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320555528.6U CN203480998U (en) | 2013-09-09 | 2013-09-09 | Built-in type amorphous alloy chip removing device in oil-immersed amorphous alloy transformer |
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| CN203480998U true CN203480998U (en) | 2014-03-12 |
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| CN201320555528.6U Expired - Lifetime CN203480998U (en) | 2013-09-09 | 2013-09-09 | Built-in type amorphous alloy chip removing device in oil-immersed amorphous alloy transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411068A (en) * | 2016-12-23 | 2017-02-15 | 潘学勇 | Power distribution station motor stator core fixing device |
-
2013
- 2013-09-09 CN CN201320555528.6U patent/CN203480998U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411068A (en) * | 2016-12-23 | 2017-02-15 | 潘学勇 | Power distribution station motor stator core fixing device |
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