CN208911778U - A kind of oil-immersed power transformer dehumidification device - Google Patents
A kind of oil-immersed power transformer dehumidification device Download PDFInfo
- Publication number
- CN208911778U CN208911778U CN201821701713.0U CN201821701713U CN208911778U CN 208911778 U CN208911778 U CN 208911778U CN 201821701713 U CN201821701713 U CN 201821701713U CN 208911778 U CN208911778 U CN 208911778U
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- China
- Prior art keywords
- oil
- sieve plate
- hygroscopic agent
- shell
- power transformer
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- 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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- Drying Of Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The utility model provides a kind of oil-immersed power transformer dehumidification device, including oil-immersed power transformer, oil conservater and moisture absorber device, the moisture absorber device includes pedestal, the top of the pedestal is fixedly connected with the bottom margin of shell, the case top is connect with top plate seal, the lower part of the top plate and the first sieve plate are tightly connected, the hollow part of the pedestal is provided with the second sieve plate, granular hygroscopic agent is filled between first sieve plate of the enclosure interior and the second sieve plate, oil line pipe is provided in the granular hygroscopic agent, the oil line pipe passes through the shell and is connected with the fuel tank of the oil-immersed power transformer, the circular hole at the top of the top plate and one end of connecting pipe are tightly connected, the other end of the connecting pipe is connected with oil conservater.The structure design of the utility model is reasonable, it is no longer necessary to replace absorbent, hygroscopic agent can reuse, and can reduce the operating cost and downtime of transformer.
Description
Technical field
The utility model relates to a kind of dehumidification device for power equipment more particularly to a kind of oil-immersed power transformers
Use dehumidification device.
Background technique
It is usually provided with the oil conservater for being connected to outside air outside oil-immersed power transformer, to compensate by temperature
The volume change of transformer oil caused by fluctuating, and oil conservater is with outside air due to contacting, wherein it can be mixed into sundries and moisture,
The dielectric strength of transformer oil is not can guarantee, dehydrating breather is exactly to enter for removing and drying the variation due to temperature of oil in transformer
Sundries and moisture in the air of oil conservater.
Object in dehydrating breather for absorbing and drying is hygroscopic agent, and hygroscopic agent can only absorb before reaching saturation point to be had
The water of limitation, and then dry performance is lost, it needs to be replaced frequently.But the entire method for replacing absorbent is and its not
Easily, the connection for having to be off oil conservater and transformer, dismantles entire dehumidification device, and clearing systems it is each every
Room, and then new absorbent is introduced, disassembly process is inconvenient and time-consuming, and the amount of absorbent used is usually 1.2 to 4.5 thousand
Gram, the hygroscopic agent of replacement can generally be discarded, and cost is increased.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of oil-immersed power transformer dehumidification device,
It is reasonable in design, it is no longer necessary to replace absorbent, hygroscopic agent can reuse, can reduce transformer operating cost and
Downtime.
To achieve the goals above, the utility model is achieved by the following technical programs:
A kind of oil-immersed power transformer dehumidification device, which is characterized in that including oil-immersed power transformer, oil conservater
And moisture absorber device, the oil-immersed power transformer top are connected with the oil conservater, the moisture absorber device includes pedestal,
The pedestal is hollow endless member, and the top of the pedestal is fixedly connected with the bottom margin of shell, the case top
It is connect with top plate seal, the lower part of the top plate is hollow cyclic structure, and the lower part of the top plate and the sealing of the first sieve plate connect
It connects, the hollow part of the pedestal is provided with the second sieve plate, and first sieve plate and the second sieve plate are with multiple poroid knots
The plate structure of structure is filled with granular hygroscopic agent between first sieve plate of the enclosure interior and the second sieve plate,
The diameter of first sieve plate and the cavernous structure on the second sieve plate is respectively less than the particle diameter of the granular hygroscopic agent,
That is, the granular hygroscopic agent can be contained on first sieve plate and the second sieve plate and will not be from first sieve plate
It is dropped out on the second sieve plate, oil line pipe is provided in the granular hygroscopic agent, the oil line pipe is by the graininess
Hygroscopic agent surrounded, the oil line pipe pass through the shell be connected with the fuel tank of the oil-immersed power transformer, institute
The hole for being provided on shell and matching with the oil line pipe is stated, the hole on the oil line pipe and the shell is tightly connected,
The top of the top plate is to have round-meshed plate structure, and the circular hole at the top of the top plate and one end of connecting pipe seal and connect
It connects, the other end of the connecting pipe is connected with the oil conservater.
Further, the shell is transparent configuration, and the granular hygroscopic agent is silica gel, and silica gel can be sent out when saturated
The variation of raw color becomes red from blue.
Further, stratie is additionally provided in the granular hygroscopic agent, the left end of the top plate is fixed
It is connected with power connector, the power connector is connected with the stratie.
The utility model has the following beneficial effects: oil line pipe is connected with the fuel tank of oil-immersed power transformer, i.e.,
It is transformer oil in oil line pipe, under normal circumstances, granular hygroscopic agent can be heated by the temperature of transformer oil,
Moisture content in granular hygroscopic agent is leaked out from the hole of the second sieve plate, in oil line pipe oil to granular hygroscopic agent into
After row heating, can also cooling and heat dissipation be carried out to the oil in transformer to a certain extent.When the moisture content in air is especially big, inhale
Due to having sucked enough moisture content the variation of color can occur for humectant, become red from blue, observe graininess by shell
Hygroscopic agent color change, startup power supply connector, is connected to power supply by power connector at this time, and to resistance heating member
Part is heated, and leaks out moisture content from the hole of the second sieve plate.The structure design of the utility model is reasonable, it is no longer necessary to which replacement is inhaled
Agent is received, hygroscopic agent can reuse, and can reduce the operating cost and downtime of transformer.
Detailed description of the invention
It, below will be to use required in embodiment for the clearer technical solution for illustrating the utility model embodiment
Attached drawing be briefly described, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, not structure
The improper restriction of pairs of the utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the dehumidification device of the utility model.
Fig. 2 is the structural schematic diagram of the first sieve plate.
The structural schematic diagram of the second sieve plate of the position Fig. 3.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to understand
The utility model is not used to limit the utility model.
As shown in Figure 1-3, including oil-immersed power transformer 10, storage in a kind of oil-immersed power transformer dehumidification device
Oil Tank 9 and moisture absorber device are connected with the oil conservater 9 at the top of the oil-immersed power transformer 10.
The moisture absorber device includes pedestal 1, and the pedestal 1 is hollow endless member, the top of the pedestal 1 and shell
The bottom margin of body 2 is fixedly connected, and 2 top of shell is tightly connected with top plate 3, and the lower part of the top plate 3 is hollow ring
Shape structure, the lower part of the top plate 3 and the first sieve plate 4 are tightly connected, and the hollow part of the pedestal 1 is provided with the second sieve plate 5,
First sieve plate 4 and the second sieve plate 5 are the plate structure with multiple cavernous structures, inside the shell 2 described in
Granular hygroscopic agent 6, the hole on first sieve plate 4 and the second sieve plate 5 are filled between first sieve plate 4 and the second sieve plate 5
The diameter of shape structure is respectively less than the particle diameter of the granular hygroscopic agent 6, that is, the granular hygroscopic agent 6 can be contained
It is placed on first sieve plate 4 and the second sieve plate 5 and will not be dropped out from first sieve plate 4 and the second sieve plate 5, described
Oil line pipe 7 is provided in granular hygroscopic agent 6, the oil line pipe 7 is surrounded by the granular hygroscopic agent 6, described
Oil line pipe 7 pass through the shell 2 be connected with the fuel tank of oil-immersed power transformer, be provided on the shell 2 with it is described
The hole that oil line pipe 7 matches, the oil line pipe 7 are tightly connected with the hole on the shell 2, and the top of the top plate 3 is
Has round-meshed plate structure, the circular hole at the top of the top plate 3 and one end of connecting pipe 8 are tightly connected, the connecting tube
The other end in road 8 is connected with the oil conservater 9.
Further, the shell 2 is transparent configuration, and the granular hygroscopic agent 6 is silica gel, and silica gel when saturated can
The variation that color occurs becomes red from blue.
Further, stratie 11, the left end of the top plate 3 are additionally provided in the granular hygroscopic agent 6
It is fixedly connected with power connector, the power connector is connected with the stratie 11.
Working principle: oil line pipe 7 is connected with the fuel tank of oil-immersed power transformer, i.e., is transformation in oil line pipe 7
Device oil can heat granular hygroscopic agent 6 by the temperature of transformer oil, by granular moisture absorption under normal circumstances
Moisture content in agent 6 is leaked out from the hole of the second sieve plate 5, after the oil in oil line pipe 7 heats granular hygroscopic agent 6,
To a certain extent can also cooling and heat dissipation be carried out to the oil in transformer.When the moisture content in air is especially big, hygroscopic agent due to
The variation of color can be occurred by having sucked enough moisture content, become red from blue, observed granular hygroscopic agent by shell 2
6 color change needs startup power supply connector at this time, is connected to power supply by power connector, and to stratie
11 are heated, and leak out moisture content from the hole of the second sieve plate 5, after the color of granular hygroscopic agent restores normal, are cut
Power-off source.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
It applies example the utility model is described in detail, those skilled in the art is it is understood that it still can be to aforementioned reality
Technical solution documented by example is applied to modify or equivalent replacement of some of the technical features；And these modification or
Person's replacement, the spirit and scope for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution.
Claims (3)
1. a kind of oil-immersed power transformer dehumidification device, which is characterized in that including oil-immersed power transformer (10), oil storage
Cabinet (9) and moisture absorber device, oil-immersed power transformer (10) top are connected with the oil conservater (9), the dehydrating breather
Device includes pedestal (1), and the pedestal (1) is hollow endless member, the top of the pedestal (1) and the bottom of shell (2)
Edge is fixedly connected, and is tightly connected at the top of the shell (2) with top plate (3), and the lower part of the top plate (3) is hollow cyclic annular knot
Structure, the lower part and the first sieve plate (4) of the top plate (3) are tightly connected, and the hollow part of the pedestal is provided with the second sieve plate
(5), first sieve plate (4) and the second sieve plate (5) are the plate structure with multiple cavernous structures, in the shell (2)
Granular hygroscopic agent (6) are filled between internal first sieve plate (4) and the second sieve plate (5), first sieve plate (4)
The particle diameter of the granular hygroscopic agent (6), the particle are respectively less than with the diameter of the cavernous structure on the second sieve plate (5)
It is provided with oil line pipe (7) in the hygroscopic agent (6) of shape, the oil line pipe (7) is wrapped by the granular hygroscopic agent (6)
It encloses, the oil line pipe (7) passes through the shell (2) and is connected with the fuel tank of the oil-immersed power transformer, the shell
(2) hole to match with the oil line pipe (7) is provided on, the hole on the oil line pipe (7) and the shell, which seals, to be connected
It connects, the top of the top plate (3) is to have round-meshed plate structure, the circular hole at the top of the top plate (3) and connecting pipe (8)
One end be tightly connected, the other end of the connecting pipe (8) is connected with the oil conservater (9).
2. a kind of oil-immersed power transformer dehumidification device according to claim 1, which is characterized in that the shell
It (2) is transparent configuration, the granular hygroscopic agent (6) is silica gel.
3. a kind of oil-immersed power transformer dehumidification device according to claim 2, which is characterized in that in the particle
It is additionally provided in the hygroscopic agent of shape stratie (11), the left end of the top plate is fixedly connected with power connector, the electricity
Source connector is connected with the stratie (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701713.0U CN208911778U (en) | 2018-10-19 | 2018-10-19 | A kind of oil-immersed power transformer dehumidification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701713.0U CN208911778U (en) | 2018-10-19 | 2018-10-19 | A kind of oil-immersed power transformer dehumidification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208911778U true CN208911778U (en) | 2019-05-31 |
Family
ID=66709882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821701713.0U Expired - Fee Related CN208911778U (en) | 2018-10-19 | 2018-10-19 | A kind of oil-immersed power transformer dehumidification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208911778U (en) |
-
2018
- 2018-10-19 CN CN201821701713.0U patent/CN208911778U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20201019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |