CN209374218U - Oil-immersed transformer shield and oil-immersed transformer - Google Patents
Oil-immersed transformer shield and oil-immersed transformer Download PDFInfo
- Publication number
- CN209374218U CN209374218U CN201920355970.1U CN201920355970U CN209374218U CN 209374218 U CN209374218 U CN 209374218U CN 201920355970 U CN201920355970 U CN 201920355970U CN 209374218 U CN209374218 U CN 209374218U
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- Prior art keywords
- oil
- immersed transformer
- bottom plate
- cover
- shield
- 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.)
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- 239000002828 fuel tank Substances 0.000 claims description 35
- 230000009466 transformation Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses oil-immersed transformer shield and oil-immersed transformer, the oil-immersed transformer shield includes cover, the cover is by top plate, long side plate, the box cube that short side plate and bottom plate assemble, opening is provided on the cover bottom plate, the bottom plate forms 4 rectangle projecting blocks in four angles of the opening, strip screw hole is provided on the rectangle projecting block, 2 cable perforatings are provided on the bottom plate, this oil-immersed transformer protective roof structure is simple, protection effect is outstanding, the outlet terminal of transformer can be completely encapsulated in inside cover, bottom plate will be placed under cable perforating, so that rainwater can not be infiltrated into shield by cable perforating again, the further perfect defencive function of shield, simultaneously, screw hole is arranged to strip, its cooperation range with fitted bolt can be expanded , so that this oil-immersed transformer shield can be suitably used for the oil-immersed transformer of more outer dimensions.
Description
Technical field
The utility model relates to transformer equipment fields, in particular to oil-immersed transformer shield and oil immersed type transformation
Device.
Background technique
Oil-immersed transformer is using mineral oil as transformer primary insulation medium and cooling medium, by transformer body
Element immerses in the fuel tank equipped with mineral oil, and in a kind of box type transformer of fuel tank cap Base top contact connecting terminal, oil immersed type becomes
The relatively other kinds of transformer of depressor, structure is relatively easy, and cost is relatively low, and maintenance cost is low, therefore application is compared
It extensively, is electrical equipment indispensable in existing power supply network system.
The oil-immersed transformer is by fuel tank, fuel tank cap, the electrical component that fuel tank internal is arranged in, setting outside fuel tank
Cooling fin and setting formed in fuel tank upper part of the cover connecting terminal, the connection cable is divided into high-voltage connection terminal and low pressure again
Two class of outlet terminal, the outlet cable of most of oil-immersed transformer is directly exposed on fuel tank cap top on the market at present, holds
It is interfered vulnerable to external environment influence, such as foreign object strike, impurity pollution, rainwater dust.
Chinese patent CN201120467424.0 proposes a kind of oil-immersed transformer of top tape safety guard, program energy
Enough connecting terminals to transformer top carry out insulation blocking, but the top of safety guard, rainwater is arranged in its cable perforating
Still it is easy to enter in safety guard from the cable perforating, is easy to cause ponding in safety guard for a long time, cause short circuit
Phenomenon, job stability and reliability have to be hoisted.
Utility model content
The main purpose of the utility model is to provide oil-immersed transformer shield and oil-immersed transformer, it is intended to solve existing
There is technology moderate rain water to be easy to penetrate into the problem inside oil-immersed transformer safety guard from the cable perforating at the top of safety guard.
To achieve the above object, the utility model proposes technical solution be:
Oil-immersed transformer shield, the oil-immersed transformer shield includes cover, and the cover is by top plate, length
The box cube that side plate, short side plate and bottom plate assemble is provided with opening on the cover bottom plate, and the bottom plate is in described spacious
Four angles of mouth form 4 rectangle projecting blocks, and strip screw hole is provided on the rectangle projecting block, is provided on the bottom plate
2 cable perforatings.
Preferably, the cable perforating is located at the position that bottom plate leans on the short side plate side, and the cable is worn
The shape in hole is circle, and the center line that 2 cable perforatings are parallel to the short side plate along the bottom plate is symmetrical.
Preferably, the cable perforating is embedded with ring-shaped rubber washer.
Preferably, watch window is provided on the long side plate.
Preferably, the watch window is transparent toughened glass in the long side plate, and the watch window
Shape is rectangle.
Preferably, dehumidifier is provided on the short side plate inner wall.
Preferably, humidity sensor is provided on the dehumidifier.
Preferably, the bottom plate lower part is provided with rubber washer along the marginal position of the opening.
Preferably, the material of the cover is stainless steel.
Oil-immersed transformer, including fuel tank cap and above-mentioned oil-immersed transformer shield, corner location in the fuel tank cap
It is provided with fitted bolt, the shield is fixed on the oil by the screw hole on the rectangle projecting block by the fitted bolt
On case lid.
Compared with prior art, the utility model at least have it is following the utility model has the advantages that
In technical solutions of the utility model, this oil-immersed transformer shield can wrap completely the outlet terminal of transformer
It is rolled in inside cover, structure is simple, and protection effect is outstanding, makes connecting terminal exempt to be affected by, such as foreign object strike, miscellaneous
Object pollution, rainwater dust etc.；And bottom plate will be placed under cable perforating, top plate completely encloses formula design, avoids existing set
Cable perforating is set to airtightness defect caused by protecting cover top plate in meter, rainwater can not be seeped by cable perforating again
Thoroughly in shield, the further perfect defencive function of shield.
Meanwhile screw hole is arranged to strip, its cooperation range with fitted bolt can be expanded, so that this oil immersed type transformation
Device shield can be suitably used for the oil-immersed transformer of more outer dimensions.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is 1 structural schematic diagram of embodiment of the oil-immersed transformer shield of the utility model；
Fig. 2 is that the embodiment 1 of the oil-immersed transformer shield of the utility model and the embodiment 1 of oil-immersed transformer fill
Distribution structure schematic diagram；
Fig. 3 is 1 structural schematic diagram of embodiment of the oil-immersed transformer of the utility model；
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Cover | 2 | Bottom plate |
| 21 | It is open | 3 | Rectangle projecting block |
| 4 | Screw hole | 5 | Cable perforating |
| 6 | Dehumidifier | 7 | Humidity sensor |
| 8 | Observation window | 9 | Fuel tank |
| 91 | Fuel tank cap | 92 | Fitted bolt |
| 93 | Fastening bolt | 10 | Connecting terminal |
| 11 | Cooling fin | 12 | Top plate |
| 13 | Long side plate | 14 | Short side plate |
| 15 | Anchor bolt | 16 | Sling frame |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes oil-immersed transformer shield and oil-immersed transformers.
As shown in Fig. 3, the embodiment 1 of oil-immersed transformer, the oil-immersed transformer include fuel tank 9, are set to fuel tank 9
Interior electrical component (not shown), fuel tank cap 91, the connecting terminal 10 being set in fuel tank cap 91 and it is set to fuel tank two
The cooling fin 11 of side, fuel tank 9 are stereo chamber type structure, are provided with fitted bolt 92 and fastening bolt 93 in the fuel tank cap 91,
Fitted bolt 92 is located at the position at 91 4 angles of fuel tank cap, and fastening bolt 93 is located at 91 top surrounding of fuel tank cap and (removes by edge
The position at four angles).
As shown in Fig. 1, the embodiment 1 of oil-immersed transformer shield, oil-immersed transformer shield include cover 1,
Cover 1 is the box cube assembled by top plate 12, long side plate 13, short side plate 14 and bottom plate 2, and the material of cover 1 is not
Become rusty steel, and opening 21, the ruler of the fuel tank cap 91 for being dimensioned slightly smaller than oil-immersed transformer of the opening 21 are provided on the bottom plate 2 of cover 1
Very little, bottom plate 2 forms 4 rectangle projecting blocks 3 in the position at four angles of opening 21, is provided with screw hole 4 on rectangle projecting block 3,
The screw hole 4 is strip screw hole, and the fitted bolt 92 in fuel tank cap 91 passes through this 4 screw holes 4, and cover 1 is fixed on oil with this
On case lid 91, strip screw hole can expand its cooperation range with fitted bolt 92, so that the oil immersed type transformation of the utility model
Device shield can be suitably used for the oil-immersed transformer of more outer dimensions.
Meanwhile because 91 top surrounding of fuel tank cap is provided with fastening bolt 93, bottom by edge (position for removing four angles)
The opening 21 that plate 2 opens up contact bottom plate 2 will not with fastening bolt 93, and fitted bolt 92 can be covered by protruding rectangular block 3
Position, when so that bottom plate 2 and fuel tank cap 91 being cooperatively connected, fastening bolt 93 will not interfere the fitting of bottom plate 2 and fuel tank cap 91,
Allow cover 1 and the connection sealing of fuel tank cap 91 more preferably.
In addition, 2 lower part of bottom plate is along open 21 marginal position (i.e. bottom plate 2 and fuel tank cap 91 mutually fit part)
It is provided with a circle rubber washer (not showing in attached drawing), which plays the effect of buffering and sealing.
As shown in Fig. 1,2 cable perforatings 5 are provided on bottom plate 2, the cable perforating 5 is to wear and terminals
The cable of 10 connection of son, this 2 cable perforatings 5 are located at the position that bottom plate 2 leans on 14 side of short side plate, are avoided that electricity in this way
The position interference of the cooling fin 11 of the position and lower section of cable perforating 5, and 2 cable perforatings 5 are parallel to short side along bottom plate 2
The center line of plate 14 is symmetrical, is more conducive to the arrangement of cable in this way, the shape of cable perforating 5 is circle, and cable is worn
Hole 5 is embedded with ring-shaped rubber washer (not shown), because oil-immersed transformer can generate a little vibration at work, the air ring
Circle can separate cable and cable perforating 5, play buffer function, at the same allow cover 1 sealing performance more preferably.
As shown in Fig. 1,8 mouthfuls of observation window are provided on the long side plate 13 of cover 1,8 mouthfuls of above-mentioned observation window is embedded in long sides
Transparent toughened glass window in plate 13, and 8 mouthfuls of observation window of shape is rectangle, 8 mouthfuls of observation window can allow staff intuitive
Each electrical component in cover is observed, the later period is facilitated to overhaul and conserve.
As shown in Fig. 2, the embodiment 1 of oil-immersed transformer and the assembly of the example 1 group of oil-immersed transformer shield
Close structure chart, when specific assembling, bottom plate 2 and fuel tank cap 91 match contact, open 21 presence make bottom plate 2 will not and fuel tank
The connecting terminal 10 and fastening bolt 93 for covering 91 contact, and will not interfere the normal operation of transformer, then by fuel tank cap 91
Fitted bolt 92 and rectangle projecting block 3 on screw hole 4 bottom plate 2 and fuel tank cap 91 are fixed together, thus by entire cover 1
It is fixed on the top of transformer, connecting terminal 10 is placed in inside cover 1, plays protective action with this pair of wire connection terminals 10.
Meanwhile as shown in Fig. 2, it is additionally provided with dehumidifier 6 in the short side wall in cover 1, is additionally provided on the dehumidifier 6
Humidity sensor 7, the dehumidifier 6 can be according to the signals of humidity sensor 7 to determine whether dehumidification function is opened, to keep covering
Being air-dried in body 1, dry air have more preferably insulating properties, the transformer connecting terminal being more conducive in cover 1
10 normal work.
In addition, as shown in Fig. 2, being also provided on two pieces of 14 inner walls of short side plate of cover 1 and slinging frame 16, this slings frame
16 facilitate staff to carry out lifting operation, the fixed rivet spiral shell used of top plate 12 and cover 1 to cover 1 when being assembled
Bolt 15 has better waterproof performance than plain bolt.
By using above-mentioned technical proposal, cable perforating 5 is set on bottom plate 2, sets top plate 12 to complete envelope
It closes, compared with prior art, while this oil-immersed transformer shield improves protective capacities, rainwater-proof performance more preferably, is arranged
Its cooperation range with fitted bolt 92 can be expanded for the screw hole 4 of strip, this oil-immersed transformer shield is applicable in
In the oil-immersed transformer of more outer dimensions.And structure is simple, it is easy to produce and promote.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. oil-immersed transformer shield, which is characterized in that the oil-immersed transformer shield includes cover, and the cover is
The box cube assembled by top plate, long side plate, short side plate and bottom plate is provided with opening, the bottom on the cover bottom plate
Plate forms 4 rectangle projecting blocks in four angles of the opening, and strip screw hole is provided on the rectangle projecting block, described
2 cable perforatings are provided on bottom plate.
2. oil-immersed transformer shield according to claim 1, which is characterized in that the cable perforating is located at
Bottom plate leans on the position of the short side plate side, and the shape of the cable perforating is circle, and 2 cable perforatings are along the bottom
The center line that plate is parallel to the short side plate is symmetrical.
3. oil-immersed transformer shield according to claim 2, which is characterized in that the cable perforating is embedded with ring
Shape rubber washer.
4. oil-immersed transformer shield according to claim 1, which is characterized in that be provided with observation on the long side plate
Window.
5. oil-immersed transformer shield according to claim 4, which is characterized in that the watch window is embedded in described
Transparent toughened glass in long side plate, and the shape of the watch window is rectangle.
6. oil-immersed transformer shield according to claim 1, which is characterized in that be provided on the short side plate inner wall
Dehumidifier.
7. oil-immersed transformer shield according to claim 6, which is characterized in that be provided with humidity on the dehumidifier
Sensor.
8. oil-immersed transformer shield according to claim 1, which is characterized in that the bottom plate lower part is along the opening
Marginal position be provided with rubber washer.
9. -8 any oil-immersed transformer shield according to claim 1, which is characterized in that the material of the cover is
Stainless steel.
10. oil-immersed transformer, which is characterized in that the oil immersed type transformation including fuel tank cap and as described in claim 1-9 is any
Device shield, corner location is provided with fitted bolt in the fuel tank cap, and the fitted bolt passes through on the rectangle projecting block
Screw hole the shield is fixed in the fuel tank cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355970.1U CN209374218U (en) | 2019-03-20 | 2019-03-20 | Oil-immersed transformer shield and oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355970.1U CN209374218U (en) | 2019-03-20 | 2019-03-20 | Oil-immersed transformer shield and oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374218U true CN209374218U (en) | 2019-09-10 |
Family
ID=67824060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920355970.1U Active CN209374218U (en) | 2019-03-20 | 2019-03-20 | Oil-immersed transformer shield and oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374218U (en) |
-
2019
- 2019-03-20 CN CN201920355970.1U patent/CN209374218U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee after: Huaxiang XiangNeng Technology Co.,Ltd. Address before: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee before: HXXN ELECTRICITY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil immersed transformer protective cover and oil immersed transformer Effective date of registration: 20231106 Granted publication date: 20190910 Pledgee: China Co. truction Bank Corp Yiyang branch Pledgor: Huaxiang XiangNeng Technology Co.,Ltd. Registration number: Y2023980063452 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |