CN208903800U - The non-maintaining intelligent moisture absorber of transformer - Google Patents
The non-maintaining intelligent moisture absorber of transformer Download PDFInfo
- Publication number
- CN208903800U CN208903800U CN201821799429.1U CN201821799429U CN208903800U CN 208903800 U CN208903800 U CN 208903800U CN 201821799429 U CN201821799429 U CN 201821799429U CN 208903800 U CN208903800 U CN 208903800U
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- China
- Prior art keywords
- hothouse
- transformer
- humidity sensor
- temperature humidity
- heats
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- Drying Of Gases (AREA)
- Transformer Cooling (AREA)
Abstract
The utility model discloses a kind of non-maintaining intelligent moisture absorbers of transformer, including the hothouse for dry gas, the top of hothouse is provided with the flange connecting with transformer oil storage pneumostome, the bottom end of hothouse was provided with the by-pass filtration room of air filtering, connected the respiratory state indicator of an indicating transformer respiratory state at the bottom port of by-pass filtration room by three connecting pipes；The top of the hothouse is provided with the secondary filter for preventing desiccant powder from entering transformer oil storage in air-breathing.The utility model can enter on the basis of being air-dried of oil conservater in guarantee, it effectively prevent the harm of silica white foot couple oil conservater in desiccant, simultaneously can also the respiratory state to transformer intuitively shown that convenient working personnel grasp the operating status of transformer oil storage in time.
Description
Technical field
Dehydrating breather the utility model relates to transformer technology field, on especially a kind of for transformer oil conservater.
Background technique
Moisture absorber of transformer, also known as transformer breather are the equipment for having configuration on general large and medium-sized transformer, make
For in the external gas breathing pipeline of oil conservater.The basic structure of moisture absorber of transformer be by upper and lower covers, vitreum, connector,
Desiccant and two end connectors composition, the filtering, dehumidifying of for transformer oil conservater pneumostome, guarantee to enter transformer oil storage
It is air-dried, moisture in air is avoided to enter in the transformer oil of oil conservater, prevent the insulation oil degradation of transformer.
Desiccant used in moisture absorber of transformer usually selects silica-gel desiccant, because constantly wearing after long-time use,
It will appear many silica gel powder, these powder are drawn onto dehydrating breather air flue with transformer breathing, and silica gel powder constantly deposits
It will lead to the blocking of dehydrating breather air flue, cause transformer oil storage that cannot breathe to cause accident；Meanwhile also having part silicone gel
Powder is inhaled into oil conservater and deposits and shorten the oil conservater service life.
In addition, most of moisture-adsorption device for transformer are generally existing at present cannot directly observe asking for transformer respiratory state
Topic, part of the manufacturer have installed respiratory state instruction device additional, but indicate not intuitive, observation inconvenience.There are also part of the manufacturer to refer to
Common dehydrating breather lubricating cup instruction structure, lubricating cup are open design, are easy crystallization after transformer oil hygroscopic moisture and impurity and block
Pneumostome needs to regularly replace the transformer oil in lubricating cup, and non-maintaining effect is not achieved.
Utility model content
The utility model technical issues that need to address are to provide a kind of non-maintaining intelligent moisture absorber of transformer, are protecting
Card enters on the basis of being air-dried of oil conservater, and effectively prevent the harm of silica white foot couple oil conservater in desiccant, simultaneously also
Can the respiratory state to transformer intuitively shown that convenient working personnel grasp the operation shape of transformer oil storage in time
State.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
A kind of non-maintaining intelligent moisture absorber of transformer, including the hothouse for dry gas, the top of hothouse is set
It is equipped with the flange connecting with transformer oil storage pneumostome, the bottom end of hothouse was provided with the by-pass filtration room of air filtering, and one
The respiratory state indicator of an indicating transformer respiratory state is connected at the bottom port of grade filter chamber by three connecting pipes；It is described
The top of hothouse is provided with the secondary filter for preventing desiccant powder from entering transformer oil storage in air-breathing.
The outer wall of the non-maintaining intelligent moisture absorber of above-mentioned transformer, the hothouse is reticular structure, and hothouse is nested with
Being provided with drying silica-gel desiccant makes it restore the heats of moisture pick-up properties, fills out in the cavity between heats and hothouse
Filled with the silica-gel desiccant for dry gas；The heats is hollow pipe-type structure, is opened up on the side wall of heats
There is the trough type venthole of centre of compliance axis；The bottom of the heats is along the bottom with hothouse along coplanar, by-pass filtration
The top port of room is connected to the cavity between heats and hothouse；It is hollow that the secondary filter is inlaid in heats
The top of cavity and do not stop trough type venthole.
The non-maintaining intelligent moisture absorber of above-mentioned transformer, is provided with heating sheet between the hothouse and by-pass filtration room.
The non-maintaining intelligent moisture absorber of above-mentioned transformer, the hothouse are arranged with coaxial condensation chamber, condensation chamber folder outside
Hold the fixed company of stainless steel bolt that condensation chamber axis is parallel between Temperature Humidity Sensor room and by-pass filtration and by two
It connects.
The non-maintaining intelligent moisture absorber of above-mentioned transformer, is provided with Temperature Humidity Sensor between the condensation chamber and flange
Room is provided with for detecting the Temperature Humidity Sensor for flowing through aerial temperature and humidity value in Temperature Humidity Sensor room；The temperature and humidity passes
Ceramic capillary gas liquid separating filtering piece, institute are provided between the bottom port of sensor room and the secondary filter on heats top
State the top port periphery that flange is located at Temperature Humidity Sensor room.
The non-maintaining intelligent moisture absorber of above-mentioned transformer, the side of the condensation chamber are provided with top and Temperature Humidity Sensor
The control cabinet that room is fixedly connected is provided with the PLC controller of control heats working condition in control cabinet, PLC controller
The output end of input terminal connection Temperature Humidity Sensor.
The non-maintaining intelligent moisture absorber of above-mentioned transformer, the flange be lap joint flange, the bottom end of lap joint flange with it is fixed
External screw thread snorkel on Temperature Humidity Sensor ceiling end face is threadedly coupled, the top port position of the Temperature Humidity Sensor room
In the bottom face center of external screw thread snorkel.
The non-maintaining intelligent moisture absorber of above-mentioned transformer, the respiratory state indicator include going out with the side of three connecting pipes
The vertical column glass tube that mouth is tightly connected, the bottom of column glass tube are provided with the damping hole being connected with three connecting pipes,
Column glass tube place one under airflow function can automatic lifting floating ball.
Due to using above technical scheme, technological progress acquired by the utility model is as follows.
The setting of heats in the utility model can be thermally dried processing to silica-gel desiccant, so that
Desiccant realizes non-maintaining function, extends the service life of dehydrating breather without frequently replacement；Heats is set as hollow
Structure forms air ventilation passage, can be used as the temporarily providing room of powder, can blow out powder when transformer is exhaled
Air flue has prevented silica gel powder and has deposited the case where resulting in blockage dehydrating breather generation；The setting of secondary filter at the top of air flue, also
Effect prevents silica gel powder to enter oil conservater, both ensure that the unobstructed of oil conservater pneumostome, has in turn ensured transformer in oil conservater
The purity of oil.
The setting of the utility model bottom respiratory state indicator becomes monitoring for observing the respiratory state of transformer
It must be more convenient, is intuitive.
In addition, the setting of control cabinet and Temperature Humidity Sensor, can make PLC controller effectively control adding for silica-gel desiccant
The hot time, meanwhile, PLC controller can also speculate transformer breathing time table by big data analysis, and control is after silica gel saturation
And silica gel is heated under expiration state, prevent the vapor for heating silica gel generation in transformer air-breathing because of time error from entering storage
In Oil Tank.Further, the utility model passes through the ceramic capillary gas liquid separating filtering piece mistake being arranged at the top of secondary filter
Hot steam in air filtering can thoroughly avoid the vapor generated during dry silica gel from entering oil conservater, be reliable
The aridity that control enters oil conservater air provides guarantee.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model.
Wherein: 1. lap joint flanges, 2. Temperature Humidity Sensor rooms, 3. control cabinets, 4. stainless steel bolts, 5. by-pass filtration rooms,
6. respiratory state indicator, 7. instruction floating balls, 8. 3 connecting pipes, 9. Temperature Humidity Sensors, 10. primary filter, 11. heating
Piece, 12. condensation chambers, 13. hothouses, 14. heats, 15. elongated slot ventholes, 16. secondary filters, 17. ceramic capillary gas
Liquid separating and filtering piece.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described in detail.
A kind of non-maintaining intelligent moisture absorber of transformer, structure is as shown in Figure 1, include the temperature set gradually from top to bottom
Humidity sensor room 2, main body, by-pass filtration room 5 and respiratory state indicator 6, the side of main body are provided with control cabinet 3；It is warm and humid
Spend transducer room bottom face on be provided with bottom port, be provided on top end face top port, Temperature Humidity Sensor room it is upper
Side is provided with flange, for being connected to transformer oil storage pneumostome and Temperature Humidity Sensor room；The top of by-pass filtration room is arranged
There is top port, bottom is provided with bottom port, and the bottom port of by-pass filtration room is connected to atmosphere and breathing by three connecting pipes
Positioning indicator.
Main body is used to that the air for entering oil conservater to be dried, while can also be to the desiccant of dry air
Carry out heating, drying processing.
The structure of main body is as shown in Fig. 2, include Zi in outer, nested and coaxial arrangement heats 14, hothouse 13
With condensation chamber 12.
Hothouse keeps its extensive for the dry air for entering oil conservater, heats 14 for heating, drying silica-gel desiccant
Relapse wet performance.Hothouse is cylinder-shaped structure, and the outer wall of hothouse is reticular structure.
Heats 14 is used to carry out heating, drying processing to the indoor silica-gel desiccant of drying, it is made to keep moisture absorption function
Can, to realize the non-maintaining function of the utility model.In the present embodiment, heats is hollow pipe-type structure, hollow cavity
Form air flue；The trough type venthole 15 of centre of compliance axis is offered on the side wall of heats, venthole is connected to hothouse
With the hollow cavity of heats, supplied gas and desiccant powder pass through；The bottom of heats is along the bottom with hothouse along putting down altogether
The top port in face, by-pass filtration room is connected to the cavity between heats and hothouse, between heats and hothouse
Cavity in be filled with silica-gel desiccant, gas is dried when flowing through the cavity between heats and hothouse.Add
The top of hot core hollow cavity is provided with secondary filter 16, and secondary filter 16 does not stop trough type venthole, is used for
Filtering drying machine agent powder when transformer air-breathing will stay in air flue after the silica gel powder filter in air, prevent desiccant powder
End enters transformer oil storage in transformer air-breathing.Meanwhile also desiccant powder can be made with transformation when transformer is exhaled
The expiration of device enters in the cavity between hothouse and heats by trough type venthole blowout air flue.
Condensation chamber is for the hot steam that condensation generates when drying to the indoor silica-gel desiccant of drying, this implementation
In example, condensation chamber uses quartz glass tube.Condensation chamber is clamped between Temperature Humidity Sensor room 2 and by-pass filtration room 5, and passes through
Two stainless steel bolts 4 for being parallel to condensation chamber axis are fixedly connected, as shown in Figure 2.It is set in the peripheral sidewalls of condensation chamber bottom
It is equipped with the through-hole for condensed water outflow.
The Temperature Humidity Sensor 9 for detecting aerial temperature and humidity is provided in Temperature Humidity Sensor room 2 above main body, temperature
Humidity sensor 9 is connected to control cabinet by passing through the water-proof cable of Temperature Humidity Sensor room 2.For convenience of overhauling and replace, temperature
Humidity sensor 9 is generally arranged in the internal side wall of Temperature Humidity Sensor room.
Side on Temperature Humidity Sensor ceiling end face positioned at top port is provided with external screw thread snorkel, in the present embodiment
Flange use lap joint flange 1, lap joint flange 1 is threadedly coupled with external screw thread snorkel, facilitates and is breathed according to different oil conservaters
It mouthful replaces suitable flange, dehydrating breather is made to meet standardization of products requirement.
Ceramic capillary is provided between the bottom port of Temperature Humidity Sensor room and the secondary filter on heats top
Gas liquid separating filtering piece 17, the hot steam generated when for drying silica-gel desiccant separate, and prevent steam from entering
In oil conservater.
By-pass filtration room below main body is provided with heating sheet between hothouse and by-pass filtration room for filtering air
11, for heating the filter screen of by-pass filtration room, prevent primary filter ice blockage.
Respiratory state indicator 6 includes the vertical column glass tube connecting with the side exit seal of three connecting pipes, column
The bottom of glass tube is provided with the damping hole being connected with three connecting pipes, and column glass tube places one under airflow function
Can automatic lifting floating ball 7.When transformer air-breathing, floating ball rests on column glass bottom of the tube because of self gravity；Transformer is exhaled
When gas, air-flow enters column glass tube by damping hole, pushes instruction floating ball to top position, thus according to the position of floating ball
Variable condition intuitively to show the respiratory state of transformer.
Control cabinet 3 is located at body side, and top is fixedly connected with Temperature Humidity Sensor room, and control is provided in control cabinet and is added
The PLC controller of hot 14 working condition of core, the input terminal of PLC controller connect Temperature Humidity Sensor by Waterproof cable joint
9 output end further judges silica-gel desiccant in hothouse for acquiring the aerial temperature and humidity value of Temperature Humidity Sensor acquisition
Degree of saturation；When temperature and humidity value reaches the limit value of setting, PLC controller controls heats work, to silica-gel desiccant
Heating, drying processing is carried out, in the process, the moisture in silica-gel desiccant constantly evaporates, and hot steam is through on dry chamber outer wall
Mesh enter condensation chamber, the condensed water generated under the action of condensation chamber can be flowed away by the through-hole of condensation chamber bottom, protect
Hold the moisture pick-up properties of desiccant.In the utility model, PLC controller can also speculate transformer breathing time by big data analysis
Table, control heat silica gel after silica gel saturation and under expiration state, prevent from heating silicon in transformer air-breathing because of time error
The vapor that glue generates enters in oil conservater.
The working principle of the utility model are as follows: when transformer air-breathing, air is after three connecting pipes and the filtering of by-pass filtration room
Heated heating enters hothouse, enters heats by elongated slot venthole after silica-gel desiccant dehumidifying in hothouse
Air flue becomes the air of dry cleansing, then behind Temperature Humidity Sensor room, eventually flow to transformation after secondary filtration net filtration
Device oil conservater, since air-flow is fainter, indicates floating ball the bottom of at this time in transformer breathing process in respiratory state indicator
Portion position；When transformer is exhaled, because transformer oil thermal expansion extrudes the air in oil conservater, at this time with the sky of certain pressure
Gas flows into Temperature Humidity Sensor room through oil conservater pneumostome, through secondary filter air intake duct, the silica gel powder that will be deposited in air flue
After trough type venthole blows out air flue, by-pass filtration room is flowed to, air is divided into two-way by three connecting pipes at this time, all the way through three
Connecting pipe outflow, another way enter in respiratory state indicator, will indicate that floating ball pushes top to by damping hole.
Claims (8)
1. the non-maintaining intelligent moisture absorber of transformer, it is characterised in that: including the hothouse (13) for dry gas, hothouse
Top be provided with the flange connecting with transformer oil storage pneumostome, the bottom end of hothouse was provided with the level-one mistake of air filtering
Filter chamber (5) connects the breathing shape of an indicating transformer respiratory state at the bottom port of by-pass filtration room by three connecting pipes (8)
State indicator (6)；The top of the hothouse is provided with prevent desiccant powder from entering transformer oil storage in air-breathing two
Grade filter screen (16).
2. the non-maintaining intelligent moisture absorber of transformer according to claim 1, it is characterised in that: the outer wall of the hothouse
For reticular structure, hothouse, which is nested with, to be provided with drying silica-gel desiccant it is made to restore the heats (14) of moisture pick-up properties, is added
Filled with the silica-gel desiccant for dry gas in cavity between hot core and hothouse；The heats (14) is sky
Heart tubular structure offers the trough type venthole (15) of centre of compliance axis on the side wall of heats；The heats
Bottom along coplanar, the top port of by-pass filtration room is connected to the sky between heats and hothouse with the bottom of hothouse
Chamber；The secondary filter (16) is inlaid in the top of heats hollow cavity and does not stop trough type venthole.
3. the non-maintaining intelligent moisture absorber of transformer according to claim 2, it is characterised in that: the hothouse and level-one
Heating sheet (11) are provided between filter chamber.
4. the non-maintaining intelligent moisture absorber of transformer according to claim 2, it is characterised in that: be arranged outside the hothouse
Have coaxial condensation chamber (12), condensation chamber is clamped between Temperature Humidity Sensor room (2) and by-pass filtration room (5) and by two
The stainless steel bolt (4) for being parallel to condensation chamber axis is fixedly connected.
5. the non-maintaining intelligent moisture absorber of transformer according to claim 4, it is characterised in that: the condensation chamber and flange
Between be provided with Temperature Humidity Sensor room (2), be provided in Temperature Humidity Sensor room (2) and flow through aerial temperature and humidity value for detecting
Temperature Humidity Sensor (9)；Between the bottom port of the Temperature Humidity Sensor room and the secondary filter on heats top
It is provided with ceramic capillary gas liquid separating filtering piece (17), the flange is located at the top port periphery of Temperature Humidity Sensor room.
6. the non-maintaining intelligent moisture absorber of transformer according to claim 5, it is characterised in that: the condensation chamber (12)
Side is provided with the control cabinet (3) that top is fixedly connected with Temperature Humidity Sensor room, is provided with control heats in control cabinet
(14) PLC controller of working condition, the output end of input terminal connection Temperature Humidity Sensor (9) of PLC controller.
7. the non-maintaining intelligent moisture absorber of transformer according to claim 5, it is characterised in that: the flange is loop method
Blue (1), the bottom end of lap joint flange are threadedly coupled with the external screw thread snorkel being installed on Temperature Humidity Sensor room (2) top end face,
The top port of the Temperature Humidity Sensor room is located at the bottom face center of external screw thread snorkel.
8. the non-maintaining intelligent moisture absorber of transformer according to claim 1, it is characterised in that: the respiratory state instruction
Device (6) includes the vertical column glass tube connecting with the side exit seal of three connecting pipes, and the bottom of column glass tube is provided with
The damping hole being connected with three connecting pipes, column glass tube place one under airflow function can automatic lifting floating ball
(7)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799429.1U CN208903800U (en) | 2018-11-02 | 2018-11-02 | The non-maintaining intelligent moisture absorber of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799429.1U CN208903800U (en) | 2018-11-02 | 2018-11-02 | The non-maintaining intelligent moisture absorber of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903800U true CN208903800U (en) | 2019-05-24 |
Family
ID=66577512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821799429.1U Expired - Fee Related CN208903800U (en) | 2018-11-02 | 2018-11-02 | The non-maintaining intelligent moisture absorber of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109102997A (en) * | 2018-11-02 | 2018-12-28 | 保定泓翔电力设备有限公司 | The non-maintaining intelligent moisture absorber of transformer |
| CN110364331A (en) * | 2019-08-26 | 2019-10-22 | 陕西金源自动化科技有限公司 | A kind of maintenance-free moisture absorber that state can monitor and monitoring method |
| CN110767423A (en) * | 2019-11-14 | 2020-02-07 | 杭州优朴信息技术有限公司 | Transformer respirator with optimized structure |
-
2018
- 2018-11-02 CN CN201821799429.1U patent/CN208903800U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109102997A (en) * | 2018-11-02 | 2018-12-28 | 保定泓翔电力设备有限公司 | The non-maintaining intelligent moisture absorber of transformer |
| CN110364331A (en) * | 2019-08-26 | 2019-10-22 | 陕西金源自动化科技有限公司 | A kind of maintenance-free moisture absorber that state can monitor and monitoring method |
| CN110767423A (en) * | 2019-11-14 | 2020-02-07 | 杭州优朴信息技术有限公司 | Transformer respirator with optimized structure |
| CN110767423B (en) * | 2019-11-14 | 2020-08-28 | 浙江镜小二网络科技有限公司 | Transformer respirator with optimized structure |
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| 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: 20190524 Termination date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |