CN112509791A - Transformer dehumidifying device - Google Patents

Transformer dehumidifying device Download PDF

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Publication number
CN112509791A
CN112509791A CN202011343328.5A CN202011343328A CN112509791A CN 112509791 A CN112509791 A CN 112509791A CN 202011343328 A CN202011343328 A CN 202011343328A CN 112509791 A CN112509791 A CN 112509791A
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CN
China
Prior art keywords
dehumidification
heating
transformer
dehumidifier
lead pipe
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.)
Pending
Application number
CN202011343328.5A
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Chinese (zh)
Inventor
邱茂光
房斌
侯磊
付应国
殷鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Pingyin Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Pingyin Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, Pingyin Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202011343328.5A priority Critical patent/CN112509791A/en
Publication of CN112509791A publication Critical patent/CN112509791A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/30—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/33—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Gases (AREA)

Abstract

变压器除湿装置，包括外引管，外引管的一端与变压器的油枕连接，另一端与除湿部件连接，外引管顶部设有外引管清理部件，除湿部件与加热部件连接，加热部件对除湿部件进行加热烘干，除湿部件、外引管清理部件及加热部件均与控制器连接。通过光伏发电板对加热部件进行加热，从而间接对位于加热部件内的除湿部件进行烘干加热，将除湿部件内的可再生吸湿料进行加热从而使得可再生吸湿料可以在不用拆卸更换的条件下进行可再生重复利用。通过至少两条并列的除湿线对外引管进行除湿，通过外引管清理部件对外引管内的潮气进行加强清理。

Figure 202011343328

The transformer dehumidification device includes an external lead pipe. One end of the external lead pipe is connected to the oil pillow of the transformer, and the other end is connected to the dehumidification part. The top of the external lead pipe is provided with an external lead pipe cleaning part. The dehumidification part is connected to the heating part. The dehumidifying part is heated and dried, and the dehumidifying part, the external lead pipe cleaning part and the heating part are all connected with the controller. The heating component is heated by the photovoltaic power generation panel, thereby indirectly drying and heating the dehumidifying component located in the heating component, and heating the regenerable hygroscopic material in the dehumidifying component, so that the regenerable hygroscopic material can be replaced without disassembly and replacement. Renewable and reused. The external lead pipe is dehumidified by at least two parallel dehumidification lines, and the moisture in the external lead pipe is reinforced by the external lead pipe cleaning part.

Figure 202011343328

Description

Transformer dehumidifying device
Technical Field
The invention relates to the technical field of power supply transformers, in particular to a dehumidification device for a transformer.
Background
In order to prevent the transformer oil from being corroded by moisture and reducing the electric strength, a moisture absorber is usually arranged on the transformer, one structure is that one end of a communicating pipe is arranged at the middle upper part in an oil conservator of the transformer, the other end of the communicating pipe is provided with a silica gel particle container for absorbing the moisture, the lower part of the container is an oil cup, and the container and the oil cup are adjusted to the highest position of the oil level of the oil conservator during installation. After the transformer is installed, the oil cup is taken down, a half cup of oil is filled into the oil cup, and then the oil cup is installed; when the transformer oil storage cabinet is used, when the transformer oil expands and contracts, air in the oil storage cabinet enters the container, and water vapor in the air is adsorbed by the silica gel particles in the process of contacting the air with the silica gel particles in the container; the other is that the upper end of the moisture absorber is connected to an oil conservator through a connecting pipe, and the lower end is provided with an air hole communicated with the atmosphere. In the operation process of the transformer, when the temperature of the insulating oil changes, the oil conservator plays a role in air suction and air exhaust, and air enters and exits the oil conservator through the moisture absorber. An oil seal device is arranged at the lower end air inlet of the moisture absorber, and the oil seal device is filled with moisture absorbing agents such as silica gel or calcium chloride and the like to remove dust and moisture in the absorbed air, so the moisture absorber is also called as an air filter; in the process, once moisture adsorbed by the silica gel particles is saturated, the silica gel particles lose the function and need to be replaced manually in time; if the transformer is too heavy due to moisture, the transformer is easy to catch fire or explode.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a dehumidifying device for a transformer.
The technical scheme adopted by the invention for solving the technical problems is as follows: this kind of transformer dehydrating unit, including leading the pipe outward, the one end of leading the pipe outward is connected with the conservator of transformer, and the other end is connected with the dehumidification part, and outer leading pipe top is equipped with outer leading pipe clearance part, and the dehumidification part is connected with the heater block, and the heater block heats the stoving to the dehumidification part, and dehumidification part, outer leading pipe clearance part and heater block all are connected with the controller.
Furthermore, there are two branches in outer induction pipe top, be first branch and second branch respectively, and first branch is connected with the conservator, and the second branch is connected with outer induction pipe clearance part, and the bottom of outer induction pipe is connected with the dehumidification part, and the dehumidification part includes two branches at least.
Furthermore, outer leading pipe clearance part includes fan and fan solenoid valve, and the fan passes through out tuber pipe and fan solenoid valve and is connected with the second branch, and the fan blows the moisture in second branch and the outer leading pipe to dehumidification part.
Furthermore, the dehumidifying part comprises at least two parallel dehumidifying lines, and at least one dehumidifying line dehumidifies the external guide pipe.
Furthermore, the dehumidification line includes the dehumidifier, is equipped with humidity transducer in the dehumidifier, and the import of dehumidifier is connected with the bottom of outer lead pipe through pipeline and dehumidification solenoid valve, and the bottom of dehumidifier is equipped with the filter screen.
Further, the dehumidifier is equipped with the heater block outward, and the heater block is the cartridge heater that corresponds with the dehumidifier appearance, and even in the cartridge heater is equipped with a plurality of heating pipes, and the heating pipe passes through the circuit and is connected with photovoltaic power generation board.
Further, the dehumidifier is equipped with the heater block outward, and the heater block is the cartridge heater that corresponds with the dehumidifier appearance, is equipped with the hot plate that surrounds the dehumidifier in the cartridge heater, and the hot plate passes through the circuit to be connected with photovoltaic power generation board.
Further, the heating cylinder comprises an inner wall and an outer wall, and a heat insulation layer is arranged close to the inner side of the outer wall.
Further, photovoltaic power generation board passes through the support mounting, and photovoltaic power generation board's angularly adjustable, photovoltaic power generation board's bottom is equipped with the bracing piece, bracing piece and photovoltaic power generation board's bottom swing joint.
Furthermore, a reproducible moisture absorption material is arranged in the dehumidifier.
In summary, the technical scheme of the invention has the following beneficial effects:
the heating part is heated through the photovoltaic power generation board, so that the dehumidifying part located in the heating part is indirectly dried and heated, and the renewable moisture absorption material in the dehumidifying part is heated, so that the renewable moisture absorption material can be recycled under the condition of replacement without being detached.
The outer guide pipe is dehumidified through at least two parallel dehumidifying wires, and moisture in the outer guide pipe is enhanced and cleaned through the outer guide pipe cleaning component.
The dehumidifying part is dried and heated through the photovoltaic power generation board, the energy is clean, and no pollution is caused.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a view showing the structure of a dehumidifying part of the present invention.
Fig. 3 is a structural view of an outer lead pipe cleaning part.
Fig. 4 is a cross-sectional view of a heating cartridge.
FIG. 5 is a cross-sectional view of another embodiment of a heating cartridge.
Fig. 6 is a view of a photovoltaic power generation panel mounting structure.
In the figure:
1 transformer, 2 conservators, 3 outer leading pipes, 4 first branches, 5 second branches, 6 fans, 7 dehumidifiers, 8 heating cylinders, 9 heating pipes, 10 heating plates, 11 outer walls, 12 inner walls, 13 heat insulation layers, 14 supports, 15 photovoltaic power generation boards, 16 bolts, 17 dehumidification solenoid valves, 18 humidity sensors, 19 fan solenoid valves and 20 supporting rods.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention includes an external lead pipe 3, one end of the external lead pipe 3 is connected to an oil conservator 2 of a transformer 1, the oil conservator 2 is connected to the transformer 1, and the other end is connected to a dehumidifying part. The outer guide pipe top is equipped with outer guide pipe clearance part, and the part that dehumidifies is connected with the heater block, and the heater block heats the stoving to the part that dehumidifies, and the part that dehumidifies, outer guide pipe clearance part and heater block all are connected with the controller.
As shown in fig. 2, the top of the outer guiding pipe has two branches, namely a first branch 4 and a second branch 5, the first branch 4 is connected with the conservator 2, and the second branch 5 is connected with the cleaning component of the outer guiding pipe. The bottom of the outer guide pipe is connected with a dehumidifying part, and the dehumidifying part at least comprises two branches.
Specifically, as shown in fig. 3, the outer duct cleaning part includes a blower 6 and a blower solenoid valve 19, the blower is connected to the second branch through the air outlet pipe and the blower solenoid valve, and the blower blows the moisture in the second branch and the outer duct to the dehumidifying part. Because the blower is disposed at the top of the outer duct, the blower can blow moisture in the outer duct into the dehumidifying part relatively more easily.
The dehumidifying part comprises at least two parallel dehumidifying lines, and at least one dehumidifying line dehumidifies the external guide pipe. In specific implementation, only one dehumidification line can be used for dehumidifying the external guide pipe, and a plurality of dehumidification lines can be used for dehumidifying the external guide pipe simultaneously. Or at least one dehumidification line is reserved as a standby dehumidification line, so that the dehumidification line meeting the dehumidification requirement can be replaced conveniently.
The dehumidification line comprises a dehumidifier 7, a humidity sensor 18 is arranged in the dehumidifier 7, an inlet of the dehumidifier is connected with the bottom of the external lead pipe through a pipeline and a dehumidification electromagnetic valve 17, and a filter screen is arranged at the bottom of the dehumidifier. The opening and closing of the solenoid valve is controlled by a controller.
As shown in fig. 4, the heating part is arranged outside the dehumidifier, the heating part is a heating cylinder 8 corresponding to the shape of the dehumidifier, a plurality of heating pipes 9 are uniformly arranged in the heating cylinder 8, and the heating pipes 9 are connected with the photovoltaic power generation panel 15 through circuits.
As shown in fig. 5, a heating part is arranged outside the dehumidifier, the heating part is a heating cylinder corresponding to the shape of the dehumidifier, a heating plate 10 surrounding the dehumidifier is arranged in the heating cylinder, and the heating plate 10 is connected with the photovoltaic power generation plate through a circuit.
The heating cylinder includes inner wall 12 and outer wall 11, is close to the outer wall inboard and is equipped with insulating layer 13, transmits the heat that heating pipe or hot plate produced to the dehumidification part as far as, improves stoving heating effect. Be equipped with the wet material of can regenerating in the dehumidifier, heat the dehumidifier through the heating part for the wet material of can regenerating in the dehumidifier can reuse.
As shown in fig. 6, the photovoltaic power generation panel 15 is installed through the support 14, the angle of the photovoltaic power generation panel is adjustable, the bottom of the photovoltaic power generation panel is provided with a support rod 20, and the support rod 20 is movably connected with the bottom of the photovoltaic power generation panel. Specifically, a bolt 16 is arranged on one side of the photovoltaic power generation panel, a threaded hole is formed in the support, and the mounting angle of the photovoltaic power generation panel can be adjusted by screwing the bolt 16 deeply. In addition, the bottom surface of the photovoltaic power generation board is provided with an annular buckle, one end of the supporting rod is installed on the support, and the other end of the supporting rod is connected with the annular opening through the annular buckle, so that the angle adjustment of the wide-range power generation board can be adapted within a certain range. During specific installation, the photovoltaic power generation panel is installed on the support according to a certain angle, then the buckle of the supporting rod is buckled on the annular buckle of the bottom surface of the photovoltaic power generation panel, and if the angle of the photovoltaic power generation panel is required to be finely adjusted, the screwing depth of the adjusting bolt can be directly adjusted.
In specific implementation, moisture in the outer guide pipe is dehumidified by a dehumidifier on at least one dehumidification line, and when a humidity sensor 18 corresponding to the dehumidifier on the dehumidification line in the dehumidification working state obtains a set value, the controller controls a dehumidification electromagnetic valve on the dehumidification line to be closed. Then the controller controls the dehumidifier and the dehumidification electromagnetic valve on the other dehumidification line to be opened for dehumidification. Then the fan and the fan electromagnetic valve of the controller external guide pipe cleaning component are started, and the external guide pipe is thoroughly dehumidified.
The heating part is heated through the photovoltaic power generation board, so that the dehumidifying part located in the heating part is indirectly dried and heated, and the renewable moisture absorption material in the dehumidifying part is heated, so that the renewable moisture absorption material can be recycled under the condition of replacement without being detached.
The outer guide pipe is dehumidified through at least two parallel dehumidifying wires, and moisture in the outer guide pipe is enhanced and cleaned through the outer guide pipe cleaning component.
The dehumidifying part is dried and heated through the photovoltaic power generation board, the energy is clean, and no pollution is caused.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.

Claims (10)

1.变压器除湿装置，其特征在于，包括外引管，外引管的一端与变压器的油枕连接，另一端与除湿部件连接，外引管顶部设有外引管清理部件，除湿部件与加热部件连接，加热部件对除湿部件进行加热烘干，除湿部件、外引管清理部件及加热部件均与控制器连接。1. Transformer dehumidification device, it is characterized in that, comprise external lead pipe, one end of external lead pipe is connected with the oil pillow of transformer, the other end is connected with dehumidification part, the top of external lead pipe is provided with external lead pipe cleaning part, dehumidification part and heating The components are connected, the heating component heats and dries the dehumidification component, and the dehumidification component, the external lead pipe cleaning component and the heating component are all connected to the controller. 2.根据权利要求1所述的变压器除湿装置，其特征在于，所述外引管顶部有两个分支，分别为第一分支和第二分支，第一分支与油枕连接，第二分支与外引管清理部件连接，外引管的底部与除湿部件连接，除湿部件至少包括两个分支。2 . The transformer dehumidification device according to claim 1 , wherein the top of the outer lead pipe has two branches, respectively a first branch and a second branch, the first branch is connected to the oil pillow, and the second branch is connected to the oil pillow. 3 . The external lead pipe is connected to the cleaning part, the bottom of the external lead pipe is connected to the dehumidification part, and the dehumidification part includes at least two branches. 3.根据权利要求2所述的变压器除湿装置，其特征在于，所述外引管清理部件包括风机和风机电磁阀，风机通过出风管及风机电磁阀与第二分支连接，风机将第二分支及外引管内的湿气吹至除湿部件。3. The transformer dehumidification device according to claim 2, wherein the outer lead pipe cleaning part comprises a fan and a fan solenoid valve, and the fan is connected with the second branch through the air outlet pipe and the fan solenoid valve, and the fan connects the second branch. The moisture in the branch and the outgoing pipe is blown to the dehumidifying part. 4.根据权利要求2所述的变压器除湿装置，其特征在于，所述除湿部件包括至少两条并列的除湿线，至少有一条除湿线对外引管进行除湿。4 . The transformer dehumidification device according to claim 2 , wherein the dehumidification component comprises at least two parallel dehumidification lines, and at least one dehumidification line dehumidifies the outer lead pipe. 5 . 5.根据权利要求4所述的变压器除湿装置，其特征在于，除湿线包括除湿器，除湿器内设有湿度传感器，除湿器的进口通过管道及除湿电磁阀与外引管的底部连接，除湿器的底部设有过滤网。5. The transformer dehumidification device according to claim 4, wherein the dehumidification line comprises a dehumidifier, a humidity sensor is arranged in the dehumidifier, and the inlet of the dehumidifier is connected to the bottom of the outer lead pipe through a pipeline and a dehumidification solenoid valve, and the dehumidifier is dehumidified. There is a filter at the bottom of the device. 6.根据权利要求4所述的变压器除湿装置，其特征在于，所述除湿器外设有加热部件，加热部件为与除湿器外形对应的加热筒，加热筒内均匀的设有若干加热管，加热管通过线路与光伏发电板连接。6 . The transformer dehumidification device according to claim 4 , wherein a heating element is provided outside the dehumidifier, and the heating element is a heating cylinder corresponding to the shape of the dehumidifier, and several heating pipes are evenly arranged in the heating cylinder, The heating pipe is connected with the photovoltaic power generation panel through a line. 7.根据权利要求4所述的变压器除湿装置，其特征在于，所述除湿器外设有加热部件，加热部件为与除湿器外形对应的加热筒，加热筒内设有包围除湿器的加热板，加热板通过线路与光伏发电板连接。7 . The transformer dehumidification device according to claim 4 , wherein a heating component is provided outside the dehumidifier, and the heating component is a heating cylinder corresponding to the shape of the dehumidifier, and a heating plate surrounding the dehumidifier is arranged in the heating cylinder. 8 . , the heating plate is connected with the photovoltaic power generation panel through the line. 8.根据权利要求6或7所述的变压器除湿装置，其特征在于，所述加热筒包括内壁和外壁，贴近外壁内侧设有隔热层。8. The transformer dehumidification device according to claim 6 or 7, wherein the heating cylinder comprises an inner wall and an outer wall, and a heat insulating layer is provided close to the inner side of the outer wall. 9.根据权利要求6或7所述的变压器除湿装置，其特征在于，所述光伏发电板通过支架安装，光伏发电板的角度可调，光伏发电板的底部设有支撑杆，支撑杆与光伏发电板的底部活动连接。9. The transformer dehumidification device according to claim 6 or 7, wherein the photovoltaic power generation panel is installed through a bracket, the angle of the photovoltaic power generation panel is adjustable, the bottom of the photovoltaic power generation panel is provided with a support rod, and the support rod is connected to the photovoltaic power generation panel. The bottom active connection of the power generation board. 10.根据权利要求5所述的变压器除湿装置，其特征在于，所述除湿器内设有可再生吸湿料。10 . The transformer dehumidification device according to claim 5 , wherein the dehumidifier is provided with a renewable moisture absorbing material. 11 .
CN202011343328.5A 2020-11-26 2020-11-26 Transformer dehumidifying device Pending CN112509791A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203386568U (en) * 2013-07-22 2014-01-08 沈阳科奇电器有限公司 Maintenance-free moisture absorber of transformer
CN103977675A (en) * 2014-04-30 2014-08-13 广东工业大学 Adsorption dehumidification process method and device
CN206806142U (en) * 2017-06-20 2017-12-26 国网山西省电力公司阳泉供电公司 The non-maintaining outdoor transformer dehydrating breather of solar energy
CN207117003U (en) * 2017-08-08 2018-03-16 国网福建省电力有限公司 Dehumidification system is combined in a kind of intelligent substation frequency conversion
CN108666093A (en) * 2018-03-29 2018-10-16 国网上海市电力公司 A kind of novel transformer dehydrating breather
CN210006575U (en) * 2019-07-02 2020-01-31 中国电建集团贵阳勘测设计研究院有限公司 automatic heating device for silica gel of transformer conservator respirator
CN111282409A (en) * 2020-04-08 2020-06-16 国网福建省电力有限公司南平供电公司 A kind of heat storage drying method of transformer main body moisture absorber

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203386568U (en) * 2013-07-22 2014-01-08 沈阳科奇电器有限公司 Maintenance-free moisture absorber of transformer
CN103977675A (en) * 2014-04-30 2014-08-13 广东工业大学 Adsorption dehumidification process method and device
CN206806142U (en) * 2017-06-20 2017-12-26 国网山西省电力公司阳泉供电公司 The non-maintaining outdoor transformer dehydrating breather of solar energy
CN207117003U (en) * 2017-08-08 2018-03-16 国网福建省电力有限公司 Dehumidification system is combined in a kind of intelligent substation frequency conversion
CN108666093A (en) * 2018-03-29 2018-10-16 国网上海市电力公司 A kind of novel transformer dehydrating breather
CN210006575U (en) * 2019-07-02 2020-01-31 中国电建集团贵阳勘测设计研究院有限公司 automatic heating device for silica gel of transformer conservator respirator
CN111282409A (en) * 2020-04-08 2020-06-16 国网福建省电力有限公司南平供电公司 A kind of heat storage drying method of transformer main body moisture absorber

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Application publication date: 20210316