CN2458702Y - Moisture absorption apparatus - Google Patents
Moisture absorption apparatus Download PDFInfo
- Publication number
- CN2458702Y CN2458702Y CN 01217057 CN01217057U CN2458702Y CN 2458702 Y CN2458702 Y CN 2458702Y CN 01217057 CN01217057 CN 01217057 CN 01217057 U CN01217057 U CN 01217057U CN 2458702 Y CN2458702 Y CN 2458702Y
- Authority
- CN
- China
- Prior art keywords
- lower flange
- flange
- oil
- unhurried current
- upper flange
- 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
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Abstract
The utility model relates to moisture absorbing equipment of oil filling electrical equipment, comprising an upper flange, a lower flange, a glass cylinder, an oil cup, a connecting ring with an air intake hole. The upper flange, the glass cylinder, and the lower flange are connected and fixed by screws and nuts. The oil cup is adhered on the connecting ring which is connected with the lower flange. A feed inlet is arranged on the upper flange. A sealing cover is arranged on the feed inlet. The lower flange with conical hole is connected with a slow flow cylinder in the oil ring. The upper part of the slow flow cylinder is provided with a perforated plate, and the bottom part of the slow flow cylinder is provided with a radial hole and an axial hole. The utility model has the advantage of simple structure, and is convenient for replacing the absorbent material. The utility model can ensure the continuous purification of the air, and can ensure the insulating strength of the transformer oil.
Description
The utility model relates to the damp-proof device of oil-filled electric equipment, is specially adapted to the oil-filled electric equipments of high pressure such as transformer, instrument transformer, circuit breaker.
Operating transformer all is equipped with dehydrating breather, to guarantee the dielectric strength of transformer oil.The quality of dehydrating breather performance, the length in useful life will directly influence the reliability of operation of electric equipment.As Chinese patent ZL92213694 disclosed " the transparent pair of lubricating cup dehumidifier that has the device that flows slowly ", by upper flange, lower flange, glass infuser, screw rod, trim ring, composition such as filter screen and lubricating cup, for the situation downstream that increases suddenly in positive negative pressure is slowly passed in and out, guarantee that effect on moisture extraction and anti-oil strain overflow, set up at the interior hub place at upper flange top by unhurried current valve block that has guide post and unhurried current device that spring is formed, the porous plate of transparent oil pipe and bottom thereof is formed transparent little oil ring, this little oil ring also is connected with lower flange with bolt and nut, adopt the dehumidifier of this structure, parts are more, the structure relative complex is installed loaded down with trivial details.Secondly during the hygroscopic material in changing glass tube, dehydrating breather be removed from electric equipment, remove lower flange again and change hygroscopic material, the operating time is long, can not guarantee the successional problem of air cleaning, simultaneously, also increases labor intensity of operating personnel.
The purpose of this utility model provides a kind of simple in structure, is convenient to change the dehydrating breather of hygroscopic material.
The utility model for the technical scheme that achieves the above object is: a kind of dehydrating breather, comprise upper flange, lower flange, glass infuser, lubricating cup, have the clamping ring of air admission hole, upper flange, glass infuser, lower flange are connected and fixed by screw rod and nut, lubricating cup is bonded on the clamping ring, clamping ring is connected with lower flange, it is characterized in that: charge door is arranged on the upper flange, seal cover is housed on the charge door, the unhurried current tube that endoporus is in cone shape lower flange and the lubricating cup is connected, porous plate is equipped with on unhurried current tube top, and the unhurried current tube bottom has radial hole and axial hole.
Described lower flange is provided with sealing ring with unhurried current tube junction.
Be provided with reinforcement in the endoporus of described lower flange.
The utility model adopts the advantage after the technique scheme to be: 1, axial hole and radial hole are arranged at a unhurried current of the present utility model bottom, can play unhurried current effect to air-flow, therefore can guarantee that air-flow slowly enters in the glass infuser on top equably purifies, to remove airborne moisture.Secondly the unhurried current tube is an one-piece parts, so dehydrating breather is simple in structure, and reliable operation, and adopt foundry goods, can improve its intensity.Do not have consumable accessory in addition, reliablely and stablely carry out work so can guarantee the unhurried current tube length phase.2, because upper flange has charging aperture, and the lower flange endoporus is coniform, when changing hygroscopic material,, need not the complete machine dismounting as long as screw off lubricating cup and unhurried current tube, the operating time is short, and is easy to operate, can guarantee the continuous purification of air.
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
Dehydrating breather of the present utility model as shown in Figure 1, comprise upper flange 1, lower flange 4, glass infuser 12, lubricating cup 6, have the clamping ring 5 of air admission hole 5-1, upper flange 1, glass infuser 12, lower flange 4 are connected and fixed by screw rod 3 and nut, for making the sealing property of glass infuser 12, sealing ring 2 is all arranged at two ends up and down of glass infuser 12.Lubricating cup 6 is bonded on the clamping ring 5, clamping ring 5 is connected with lower flange 4, lower flange 4 is provided with sealing ring 9 with unhurried current tube 7 junctions, in use, fill transformer oil in the lubricating cup 6, when extraneous air enters lubricating cup 6 by the air admission hole 5-1 on the clamping ring 5, air is filtered by the transformer oil in it.Charge door 1-1 is arranged on the upper flange 1, seal cover 11 is housed on the charge door 1-1, also have sealing plug 10 in the seal cover 11.The unhurried current tube 7 that endoporus 4-1 is in cone shape lower flange 4 and the lubricating cup 6 is connected, in the endoporus 4-1 of lower flange 4, be provided with reinforcement 4-2, so both increased the bulk strength of lower flange, and be cone shape endoporus and also be convenient to put hygroscopic material in the clean glass infuser, porous plate 8 is equipped with on unhurried current tube 7 tops, adds in the glass infuser 12 by charge door 1-1 when hygroscopic material, and then hygroscopic material is blocked by porous plate 8, and when changing hygroscopic material, as long as pull down lubricating cup 6 and unhurried current tube 7.As shown in Figure 1, in unhurried current tube 7 bottoms radial hole 7-1 and axial hole 7-2 are arranged, under the positive negative pressure situation of change of electric equipment, air-flow can slowly pass in and out.
When the utility model uses, dehydrating breather is screwed on the electric equipment connecting flange by upper flange 1, when the relative ambient temperature of the oil liquid temperature in the electric equipment changes and makes the fluid change in volume, radial hole 7-1 and axial hole 7-2 by unhurried current tube 7 bottoms cushion air-flow, allow air-flow slowly evenly by glass infuser 12, airborne moisture is fully absorbed by the hygroscopic material in the glass infuser 12.When having avoided negative pressure big simultaneously, the transformer oil in the lubricating cup 6 is splashed in the glass infuser 12 with air-flow; When malleation was big, the transformer oil in the lubricating cup 6 can not overflow lubricating cup 6 with air-flow, and air outside enters in the lubricating cup 6 at the air admission hole 5-1 through clamping ring 5, and is then isolated by the transformer oil of lubricating cup 6, guaranteed the cleannes and the dielectric strength of transformer oil.
Claims (3)
1, a kind of dehydrating breather, comprise upper flange (1), lower flange (4), glass infuser (12), lubricating cup (6), the clamping ring (5) that has air admission hole (5-1), upper flange (1), glass infuser (12), lower flange (4) is connected and fixed by screw rod (3) and nut, lubricating cup (6) is bonded on the clamping ring (5), clamping ring (5) is connected with lower flange (4), it is characterized in that: charge door (1-1) is arranged on the upper flange (1), seal cover (11) is housed on the charge door (1-1), the unhurried current tube (7) that endoporus (4-1) is in cone shape lower flange (4) and the oil ring (6) is connected, porous plate (8) is equipped with on unhurried current tube (7) top, and radial hole (7-1) and axial hole (7-2) are arranged at unhurried current tube (7) bottom.
2, dehydrating breather according to claim 1 is characterized in that: lower flange (4) is provided with sealing ring (9) with unhurried current tube (7) junction.
3, dehydrating breather according to claim 1 is characterized in that: be provided with reinforcement (4-2) in the endoporus (4-1) of lower flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01217057 CN2458702Y (en) | 2001-01-05 | 2001-01-05 | Moisture absorption apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01217057 CN2458702Y (en) | 2001-01-05 | 2001-01-05 | Moisture absorption apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2458702Y true CN2458702Y (en) | 2001-11-07 |
Family
ID=33635358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01217057 Expired - Fee Related CN2458702Y (en) | 2001-01-05 | 2001-01-05 | Moisture absorption apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2458702Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517703A (en) * | 2015-01-12 | 2015-04-15 | 国网福建南安市供电有限公司 | Transformer breather with function of replacing silica gel without dismounting |
| CN105070470A (en) * | 2015-08-11 | 2015-11-18 | 国网山西省电力公司临汾供电公司 | Breather for transformer |
| CN107240483A (en) * | 2017-07-31 | 2017-10-10 | 国网新疆电力公司巴州供电公司 | Transformer breather |
-
2001
- 2001-01-05 CN CN 01217057 patent/CN2458702Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517703A (en) * | 2015-01-12 | 2015-04-15 | 国网福建南安市供电有限公司 | Transformer breather with function of replacing silica gel without dismounting |
| CN105070470A (en) * | 2015-08-11 | 2015-11-18 | 国网山西省电力公司临汾供电公司 | Breather for transformer |
| CN107240483A (en) * | 2017-07-31 | 2017-10-10 | 国网新疆电力公司巴州供电公司 | Transformer breather |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |