A dehumidification device for new energy oil-immersed power transformer

Abstract

The present invention discloses a dehumidification device for a new energy oil-immersed power transformer, including a dehumidification device for a new energy oil-immersed power transformer, including a mounting frame, a box, an oil pillow, a high-low voltage bushing, a heat dissipation component and a dehumidification component, wherein the box is fixedly connected to the top of the mounting frame, the oil pillow is fixedly connected to one end of the top of the box, the high-low voltage bushing is fixedly connected to the top of the box, the heat dissipation component is installed on one side of the box, and the dehumidification component is installed on the other side of the box. The present invention heats and removes moisture in the insulating oil by heating the insulating oil in the box into the interior of a mixed heating bin, and then the insulating oil enters the adsorption bin to adsorb and remove moisture, thereby improving the moisture treatment efficiency, and then the insulating oil is transported to a semiconductor refrigeration unit by an oil pump, and then re-enters the interior of the box after cooling, thereby achieving the effect of moisture removal.

Description

Technical Field

[0001] The invention relates to the technical field of transformer equipment, and in particular to a dehumidification device for a new energy oil-immersed power transformer. Background Art

[0002] Oil-immersed power transformer is a common power equipment, mainly used in power systems and electrical engineering to increase or decrease voltage levels. Oil-immersed transformers have iron cores and windings inside, which are immersed in insulating oil. In addition to being used for insulation, the insulating oil also plays a cooling role, helping to take away the heat generated when the transformer is running.

[0003] According to the publication number CN214175821U, a dehumidification device for oil-immersed power transformer is disclosed, including a transformer box and an oil tank, a distribution box is provided on the transformer box, a control panel is provided on the transformer box, the control panel is electrically connected to the distribution box, an air suction pipe is provided on the top of the transformer box, the air suction pipe is fixedly connected to the transformer box by screws, an oil tank is provided at the bottom of the transformer box, insulating oil is provided in the oil tank, an oil pipe is provided on the right side of the oil tank, an oil outlet is provided on the top of the oil pipe, the oil outlet is fixedly connected to the oil tank by screws, an oil inlet is provided at the bottom of the oil pipe, the oil inlet is fixedly connected to the oil tank by screws, and the technical field of puzzle clothes drying racks for assembly is involved. This dehumidification device for oil-immersed power transformer can circulate the air in the transformer, process the air in advance, and better remove the moisture in the insulating oil through the circulation of the insulating oil in the oil tank. It has perfect functions and greatly avoids transformer failure.

[0004] However, the above device still has shortcomings. The moisture in the insulating oil can be fully absorbed by the drying pipe on the oil pipe, and a multi-layer heating template is provided in the drying pipe to further avoid the presence of moisture in the insulating oil. However, bubbles will be generated when moisture contacts the insulating oil. The presence of bubbles will affect the moisture removal efficiency of the insulating oil, making it difficult to remove the moisture.

[0005] Therefore, it is necessary to design a dehumidification device for new energy oil-immersed power transformers that is highly practical and has better moisture treatment efficiency. Summary of the invention

[0006] The object of the present invention is to provide a dehumidification device for a new energy oil-immersed power transformer to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a dehumidification device for a new energy oil-immersed power transformer, comprising a mounting frame, a box, an oil pillow, high and low voltage bushings, a heat dissipation component and a dehumidification component, the box being fixedly connected to the top of the mounting frame, the oil pillow being fixedly connected to one end of the top of the box, the high and low voltage bushings being fixedly connected to the top of the box, the heat dissipation component being installed on one side of the box, and the dehumidification component being installed on the other side of the box.

[0008] The dehumidification component includes an installation box, a mixing heating bin, a driving motor, a connecting pipe, an adsorption bin, a through pipe, an oil pump, a semiconductor refrigeration unit and a cooling fan. The installation box is fixedly connected to one side of the box body, the mixing heating bin is fixedly connected to the bottom inside the installation box, the driving motor is fixedly connected to the top of one side of the mixing heating bin, the connecting pipe is installed below the driving motor, the adsorption bin flange is connected to the other end of the connecting pipe, the through pipe flange is connected to the top of the adsorption bin, the oil pump flange is connected to the other end of the through pipe, the semiconductor refrigeration unit is arranged on the top of the oil pump, and the cooling fan is installed at one end of the bottom of the semiconductor refrigeration unit. The insulating oil in the box body enters the interior of the mixing heating bin, and after heating, the moisture in the insulating oil is heated and removed, and then the insulating oil enters the adsorption bin to adsorb and remove moisture, thereby improving the moisture treatment efficiency, and then the insulating oil is transported to the semiconductor refrigeration unit through the oil pump, and re-enters the interior of the box after cooling to achieve the effect of moisture removal.

[0009] According to the above technical solution, the mixed heating bin includes a bin body, a mounting rod, a heating tube, a rotating roller and a stirring paddle. The mounting rod is fixedly connected to the inner wall of the bin body, the heating tube is fixedly connected to the inner side of the mounting rod, the rotating roller is rotatably connected to the inside of the bin body and is located on the upper and lower sides of the mounting rod, the stirring paddle is fixedly connected to the outside of the rotating roller, the output shaft of the driving motor passes through the bin body and is fixedly connected to the rotating roller, the driving motor drives the stirring paddle to rotate, heats the insulating oil, and achieves the effect of removing moisture. The stirring of the stirring paddle is used to ensure uniform heating of the insulating oil, and to avoid fixed heating of part of the insulating oil, which causes deterioration of the oil quality.

[0010] According to the above technical solution, the stirring paddle includes a plate body and a spiked cone, the spiked cone is fixedly connected to the outside of the plate body, the plate body is fixedly connected to the outside of a rotating roller, the rotating roller drives the plate body to rotate, so that the spiked cone rotates in the insulating oil to break larger bubbles and improve the moisture removal effect.

[0011] According to the above technical solution, the interior of the stirring paddle includes a slide rail, a moving block, an impact block and a resonance block. The slide rail is fixedly connected to the inside of the plate body, the moving block is slidably connected to the inside of the slide rail, the impact block is fixedly connected to the inner wall of the plate body, the resonance block is fixedly connected to one end of the impact block and part of the resonance block extends through the plate body to the outside of the plate body. The plate body is driven to rotate by a rotating roller, and the moving block is driven to move outward by the centrifugal force of the rotation. It is guided by the slide rail and collides with the impact block. The vibration is transmitted to the resonance block through the impact block, and the vibration is converted into resonance through the resonance block, so that the tiny bubbles containing moisture in the insulating oil are broken, thereby improving the moisture treatment efficiency.

[0012] According to the above technical solution, a fixing plate is arranged above the mounting rod, the fixing plate is fixedly connected to the inner wall of the bin body, one end of the fixing plate is fixedly connected to the mounting column, the other end of the mounting column is fixedly connected to the vibration plate, and a rubber plate is arranged on the top of the vibration plate. During the rotation of the stirring paddle, the stirring paddle collides with the rubber plate, thereby driving the vibration of the vibration plate. Through the vibration of the rubber plate, the fine bubbles in the insulating oil are vibrated and broken, which is convenient for heating treatment of moisture.

[0013] According to the above technical solution, the mounting column includes a fixed seat, a movable groove, a spring and a connecting block. The fixed seat is fixedly connected to one end of the fixed plate, the movable groove is opened inside the fixed seat, the spring is fixedly connected to the inside of the movable groove, the connecting block is fixedly connected to one end of the spring, and the other end of the connecting block is fixedly connected to the vibration plate. By setting the movable groove and the spring, the vibration amplitude of the vibration plate can be made larger, thereby better achieving the effect of removing tiny moisture bubbles.

[0014] According to the above technical solution, a respirator is provided on the side of the mixing and heating bin, which serves to balance the pressure and remove moisture, while preventing air and moisture from entering and controlling the gas content in the oil.

[0015] According to the above technical solution, a transmission belt is arranged outside the output shaft of the driving motor, and the transmission belt drives the two rotating rollers to rotate, so as to achieve the effect of uniformly stirring the insulating oil in the mixed heating chamber and uniformly heating the insulating oil.

[0016] According to the above technical solution, heat dissipation grooves are opened on both sides of the installation box, which are used to dissipate heat from the equipment inside the installation box to avoid damage to the equipment due to overheating. Secondly, the moisture discharged by the respirator is transported to the outside of the installation box through the cooling fan.

[0017] According to the above technical solution, there are two vibration plates, which are respectively arranged on one side of the two groups of stirring paddles, so that the two groups of stirring paddles can have the effect of collision vibration on the vibration plates.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0019] The present invention allows the insulating oil in the box to enter the interior of a mixed heating bin, where moisture in the insulating oil is removed by heating. The insulating oil then enters an adsorption bin to adsorb and remove moisture, thereby improving moisture treatment efficiency. The insulating oil is then transported to a semiconductor refrigeration unit by an oil pump, where it is cooled and then re-enters the interior of the box, thereby achieving the effect of moisture removal.

[0020] The present invention heats the insulating oil by driving a stirring paddle to rotate through a driving motor, thereby achieving the effect of removing moisture. The stirring of the stirring paddle ensures uniform heating of the insulating oil, thereby avoiding fixed heating of part of the insulating oil, which causes deterioration of the oil quality.

[0021] The invention provides a spike cone, and a rotating roller drives the plate body to rotate, so that the spike cone rotates in the insulating oil, breaks up larger bubbles, and improves the moisture removal effect.

[0022] The present invention converts vibration into resonance through a resonance block, so that tiny bubbles containing moisture in the insulating oil are broken. The vibration of the rubber plate is used to break the tiny bubbles in the insulating oil, which is convenient for heating the moisture and improving the moisture treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0024] In the attached picture:

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the structure of the dehumidification component of the present invention;

[0027] Figure 3 It is a schematic diagram of the internal structure of the mixing and heating chamber of the present invention;

[0028] Figure 4 It is a structural schematic diagram of the warehouse body of the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the stirring paddle of the present invention;

[0030] Figure 6 Schematic diagram of the internal structure of the stirring paddle of the present invention;

[0031] Figure 7 It is a structural schematic diagram of the mounting column of the present invention.

[0032] In the figure: 1, mounting frame; 2, box body; 3, oil pillow; 4, high and low pressure bushings; 5, heat dissipation components; 6, dehumidification components; 101, mounting box; 102, mixed heating chamber; 103, driving motor; 104, connecting pipe; 105, adsorption chamber; 106, through pipe; 107, oil pump; 108, semiconductor refrigeration unit; 109, cooling fan; 110, chamber body; 111, mounting rod; 112, heating pipe; 113, rotating roller; 114, stirring paddle; 115, fixing plate; 116, mounting column; 117, vibration plate; 118, rubber plate; 120, plate body; 121, spike cone; 122, slide rail; 123, moving block; 124, impact block; 125, resonance block; 130, fixing seat; 131, movable groove; 132, spring; 133, connecting block. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-7 The present invention provides the following technical solution: a dehumidification device for a new energy oil-immersed power transformer, comprising a mounting frame 1, a box body 2, an oil pillow 3, a high and low voltage bushing 4, a heat dissipation component 5 and a dehumidification component 6, the box body 2 is fixedly connected to the top of the mounting frame 1, the oil pillow 3 is fixedly connected to one end of the top of the box body 2, the high and low voltage bushing 4 is fixedly connected to the top of the box body 2, the heat dissipation component 5 is installed on one side of the box body 2, and the dehumidification component 6 is installed on the other side of the box body 2.

[0035] The dehumidification component 6 includes an installation box 101, a mixed heating chamber 102, a drive motor 103, a connecting pipe 104, an adsorption chamber 105, a through pipe 106, an oil pump 107, a semiconductor refrigeration unit 108 and a cooling fan 109. The installation box 101 is fixedly connected to one side of the box body 2, the mixed heating chamber 102 is fixedly connected to the bottom inside the installation box 101, the drive motor 103 is fixedly connected to the top of one side of the mixed heating chamber 102, the connecting pipe 104 is installed below the drive motor 103, the adsorption chamber 105 is flange-connected to the other end of the connecting pipe 104, the through pipe 106 is flange-connected to the top of the adsorption chamber 105, the oil pump 107 is flange-connected to the other end of the through pipe 106, the semiconductor refrigeration unit 108 is arranged on the top of the oil pump 107, and the cooling fan 109 is installed at one end of the bottom of the semiconductor refrigeration unit 108. The insulating oil in the box body 2 enters the interior of the mixed heating chamber 102, and after heating, the insulating oil The moisture in the mixing and heating chamber 102 is heated and removed, and then the insulating oil enters the adsorption chamber 105, and then adsorbs and removes the moisture, thereby improving the moisture treatment efficiency. Subsequently, the insulating oil is transported to the semiconductor refrigeration unit 108 through the oil pump 107, and re-enters the interior of the box body 2 after cooling, thereby achieving the effect of moisture removal. A respirator is arranged on the side of the mixing and heating chamber 102, which balances the pressure and removes moisture, while preventing air and moisture from entering and controlling the gas content in the oil. A transmission belt is arranged on the outside of the output shaft of the driving motor 103, and the transmission belt drives the two rotating rollers 113 to rotate, thereby achieving the effect of uniformly stirring the insulating oil in the mixing and heating chamber 102 and uniformly heating the insulating oil. Heat dissipation grooves are provided on both sides of the installation box 101, and the heat dissipation grooves are used to dissipate heat from the equipment inside the installation box 101 to avoid damage to the equipment caused by overheating. Secondly, the moisture removed by the respirator is transported to the outside of the installation box 101 through the cooling fan 109.

[0036] The mixed heating bin 102 includes a bin body 110, a mounting rod 111, a heating tube 112, a rotating roller 113 and a stirring paddle 114. The mounting rod 111 is fixedly connected to the inner wall of the bin body 110, the heating tube 112 is fixedly connected to the inner side of the mounting rod 111, the rotating roller 113 is rotatably connected to the inside of the bin body 110 and is located at the upper and lower sides of the mounting rod 111, the stirring paddle 114 is fixedly connected to the outside of the rotating roller 113, the output shaft of the driving motor 103 passes through the bin body 110 and is fixedly connected to the rotating roller 113, the driving motor 103 drives the stirring paddle 114 to rotate, heats the insulating oil, and achieves the effect of removing moisture. The stirring of the stirring paddle 114 is used to ensure that the insulating oil is heated evenly, and to avoid fixed heating of part of the insulating oil, which causes the oil quality to deteriorate.

[0037] The stirring paddle 114 includes a plate body 120 and a spike cone 121. The spike cone 121 is fixedly connected to the outside of the plate body 120. The plate body 120 is fixedly connected to the outside of the rotating roller 113. The rotating roller 113 drives the plate body 120 to rotate, so that the spike cone 121 rotates in the insulating oil to break larger bubbles and improve the moisture removal effect.

[0038] The interior of the stirring paddle 114 includes a slide rail 122, a moving block 123, an impact block 124 and a resonance block 125. The slide rail 122 is fixedly connected to the inside of the plate body 120, the moving block 123 is slidably connected to the inside of the slide rail 122, the impact block 124 is fixedly connected to the inner wall of the plate body 120, the resonance block 125 is fixedly connected to one end of the impact block 124 and part of the resonance block 125 extends through the plate body 120 to the outside of the plate body 120. The plate body 120 is driven to rotate by the rotating roller 113, and the moving block 123 is driven to move outward by the centrifugal force of the rotation. It is guided by the slide rail 122 and collides with the impact block 124. The vibration is transmitted to the resonance block 125 through the impact block 124, and the vibration is converted into resonance by the resonance block 125, so that the tiny bubbles containing moisture in the insulating oil are broken, thereby improving the moisture treatment efficiency.

[0039] A fixing plate 115 is provided above the mounting rod 111, and the fixing plate 115 is fixedly connected to the inner wall of the bin body 110. A mounting column 116 is fixedly connected to one end of the fixing plate 115, and a vibration plate 117 is fixedly connected to the other end of the mounting column 116. A rubber plate 118 is provided on the top of the vibration plate 117. The stirring paddle 114 collides with the rubber plate 118 during rotation, thereby driving the vibration of the vibration plate 117. Through the vibration of the rubber plate 118, the fine bubbles in the insulating oil are vibrated and broken, which is convenient for heating the moisture. There are two vibration plates 117, which are respectively provided on one side of the stirring paddle 114, so that the two groups of stirring paddles 114 can collide and vibrate the vibration plate 117.

[0040] The mounting column 116 includes a fixing seat 130, a movable groove 131, a spring 132 and a connecting block 133. The fixing seat 130 is fixedly connected to one end of the fixing plate 115. The movable groove 131 is opened inside the fixing seat 130. The spring 132 is fixedly connected to the inside of the movable groove 131. The connecting block 133 is fixedly connected to one end of the spring 132. The other end of the connecting block 133 is fixedly connected to the vibration plate 117. Through the arrangement of the movable groove 131 and the spring 132, the vibration amplitude of the vibration plate 117 can be made larger, thereby better achieving the effect of removing tiny moisture bubbles.

[0041] In summary, when the device is in use, the insulating oil in the box 2 enters the interior of the mixed heating chamber 102, and the rotating roller 113 is driven to rotate by the driving motor 103, so that the stirring paddle 114 stirs the insulating oil, and the heating of the heating tube 112 is combined to remove moisture from the insulating oil, and the spike cone 121 set on the stirring paddle 114 is used to break large bubbles, and the resonance of the small bubbles by the impact block 124 and the resonance block 125 inside the stirring paddle 114 is combined with the vibration generated by the collision of the stirring paddle 114 with the vibration plate 117 to achieve the effect of vibration to remove small bubbles, so as to facilitate the treatment of moisture, and the heated moisture is discharged through the respirator, and then the insulating oil enters the interior of the adsorption chamber 105, and the residual moisture is removed for the second time by the adsorbent, and then the insulating oil is input into the semiconductor refrigeration unit 108 for cooling through the action of the oil pump 107, and is injected into the interior of the box 2 again to complete the treatment of moisture.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dehumidification device for a new energy oil-immersed power transformer, comprising a mounting frame (1), a box (2), an oil pillow (3), high and low voltage bushings (4), a heat dissipation component (5) and a dehumidification component (6), characterized in that: The box body (2) is fixedly connected to the top of the mounting frame (1), the oil pillow (3) is fixedly connected to one end of the top of the box body (2), the high and low pressure bushings (4) are fixedly connected to the top of the box body (2), the heat dissipation component (5) is installed on one side of the box body (2), and the dehumidification component (6) is installed on the other side of the box body (2); The dehumidification component (6) comprises an installation box (101), a mixing and heating chamber (102), a driving motor (103), a connecting pipe (104), an adsorption chamber (105), a through pipe (106), an oil pump (107), a semiconductor refrigeration unit (108) and a cooling fan (109); the installation box (101) is fixedly connected to one side of the box body (2); the mixing and heating chamber (102) is fixedly connected to the bottom of the installation box (101); and the driving motor (103) is fixedly connected to the mixing and heating chamber (105). The semiconductor refrigeration unit (108) is disposed on the top of one side of the semiconductor refrigeration unit (108), the connecting pipe (104) is installed below the driving motor (103), the adsorption chamber (105) is flange-connected to the other end of the connecting pipe (104), the through pipe (106) is flange-connected to the top of the adsorption chamber (105), the oil pump (107) is flange-connected to the other end of the through pipe (106), the semiconductor refrigeration unit (108) is disposed on the top of the oil pump (107), and the heat dissipation fan (109) is installed at one end of the bottom of the semiconductor refrigeration unit (108); The mixing and heating bin (102) comprises a bin body (110), a mounting rod (111), a heating tube (112), a rotating roller (113) and a stirring paddle (114); the mounting rod (111) is fixedly connected to the inner wall of the bin body (110); the heating tube (112) is fixedly connected to the inner side of the mounting rod (111); the rotating roller (113) is rotatably connected to the inside of the bin body (110) and is located at the upper and lower sides of the mounting rod (111); and the stirring paddle (114) is fixedly connected to the outside of the rotating roller (113).

2. A dehumidification device for a new energy oil-immersed power transformer according to claim 1, characterized in that: The stirring paddle (114) comprises a plate body (120) and a spike cone (121), wherein the spike cone (121) is fixedly connected to the outside of the plate body (120), and the plate body (120) is fixedly connected to the outside of a rotating roller (113). The stirring paddle (114) comprises a plate body (120) and a spike cone (121), wherein the spike cone (121) is fixedly connected to the outside of the plate body (120), and the plate body (120) is fixedly connected to the outside of a rotating roller (113). The stirring paddle (114) comprises a plate body (120) and a spike cone (121), wherein the spike cone (121) is fixedly connected to the outside of the plate body (120), and the plate body (120) is fixedly connected to the outside of a rotating roller (113).

3. A dehumidification device for a new energy oil-immersed power transformer according to claim 2, characterized in that: The interior of the stirring paddle (114) comprises a slide rail (122), a moving block (123), an impact block (124) and a resonance block (125); the slide rail (122) is fixedly connected to the interior of the plate body (120); the moving block (123) is slidably connected to the interior of the slide rail (122); the impact block (124) is fixedly connected to the inner wall of the plate body (120); the resonance block (125) is fixedly connected to one end of the impact block (124) and a portion of the resonance block (125) passes through the plate body (120) and extends to the outside of the plate body (120).

4. A dehumidification device for a new energy oil-immersed power transformer according to claim 3, characterized in that: A fixing plate (115) is arranged above the mounting rod (111), the fixing plate (115) being fixedly connected to the inner wall of the bin body (110), one end of the fixing plate (115) being fixedly connected to a mounting column (116), the other end of the mounting column (116) being fixedly connected to a vibration plate (117), and a rubber plate (118) being arranged on the top of the vibration plate (117).

5. A dehumidification device for a new energy oil-immersed power transformer according to claim 4, characterized in that: The mounting column (116) comprises a fixed seat (130), a movable groove (131), a spring (132) and a connecting block (133); the fixed seat (130) is fixedly connected to one end of the fixed plate (115); the movable groove (131) is opened inside the fixed seat (130); the spring (132) is fixedly connected to the inside of the movable groove (131); the connecting block (133) is fixedly connected to one end of the spring (132); and the other end of the connecting block (133) is fixedly connected to the vibration plate (117).

6. A dehumidification device for a new energy oil-immersed power transformer according to claim 5, characterized in that: A respirator is provided on the side of the mixing and heating chamber (102).

7. A dehumidification device for a new energy oil-immersed power transformer according to claim 6, characterized in that: A transmission belt is arranged outside the output shaft of the driving motor (103).

8. A dehumidification device for a new energy oil-immersed power transformer according to claim 7, characterized in that: Heat dissipation grooves are provided on both sides of the installation box (101).

9. A dehumidification device for a new energy oil-immersed power transformer according to claim 8, characterized in that: There are two vibration plates (117), which are respectively arranged on one side of the two groups of stirring paddles (114).

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