Heating device of transformer oil tank
By designing the heating device of the transformer oil tank, the heating components and control components are used to achieve uniform heating of the oil tank, which solves the problems of cumbersome operation and difficult to control the heating temperature in the prior art, improves the drying effect and extends the service life of the oil tank.
Patent Information
- Application Number
- CN202421496854.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-26
AI Technical Summary
When heating and drying the transformer oil tank in the prior art, the operation is cumbersome, the workload is large, and the heating temperature is difficult to accurately control, which easily leads to aging of the transformer oil tank.
A heating device for transformer oil tank is designed. By dividing the outer surface of the oil tank into multiple areas to be heated, and heating components and temperature sensors are installed in each area, the control components are used to control the heating power of the heating structure in real time according to the temperature information, so as to achieve uniform heating of the oil tank.
The heating operation is simplified, the workload is reduced, and the precise control of the transformer oil tank heating is achieved, which avoids the aging of the oil tank and has a better drying effect.
Smart Images
Figure CN222762785U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformer oil tank drying, in particular to a heating device for a transformer oil tank. Background Art
[0002] Before the transformer is installed, the transformer oil tank needs to be dried. At present, the transformer oil tank is usually placed on a support frame to raise the transformer oil tank to form a heating space for the heater, and the heater is placed in the heating space. The air is heated by the heater, and then the heat is transferred to the transformer oil tank through the air to heat the transformer oil tank, thereby completing the drying of the transformer oil tank. However, the method of heating the transformer oil tank to dry the transformer oil tank in the above manner is cumbersome and labor-intensive, and the temperature of the transformer oil tank is difficult to accurately control, which can easily lead to aging of the transformer oil tank. Utility Model Content
[0003] The main purpose of the utility model is to propose a heating device for a transformer oil tank, aiming to solve the technical problems that the current method of heating the transformer oil tank to dry the transformer oil tank has complicated operation and large workload, and the temperature of heating the transformer oil tank is difficult to accurately control, which easily leads to aging of the transformer oil tank.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a heating device for a transformer oil tank, wherein the heating device comprises:
[0005] A heating component, each area to be heated of the transformer tank is provided with the heating component correspondingly, the heating component comprises a heating structure and a temperature sensor mounted on the heating structure, and the heating structure is detachably mounted on the corresponding area to be heated;
[0006] A control component, all the heating structures and all the temperature sensors are electrically connected to the control component, the heating structure is used to heat the corresponding area to be heated, the temperature sensor is used to sense the temperature information of the corresponding area to be heated, and the control component is used to control the heating structure where the temperature sensor is located according to the temperature information.
[0007] In one embodiment, each of the zones to be heated is provided with a corresponding heating module, each of the heating modules includes a plurality of the heating components, the control component includes a main control module and a plurality of sub-control modules electrically connected to the main control module, the number of the sub-control modules and the heating modules is the same and they are electrically connected one-to-one, and the main control module is used to control the corresponding heating module through each of the sub-control modules.
[0008] In one embodiment, the heating structure includes a shell and a heating element, the shell is detachably installed on the corresponding area to be heated, an installation cavity is formed in the shell, the heating element is installed in the installation cavity, the heating element is electrically connected to the control component, the heating element is used to generate heat to heat the corresponding area to be heated, and the control component is used to control the heating element of the heating structure where the temperature sensor is located according to the temperature information.
[0009] In one embodiment, a heating port is provided on a side of the shell close to the area to be heated, and the heating port is connected to the installation cavity. A heat-conducting structure is sealed at the heating port, and the heat-conducting structure is used to conduct the heat generated by the heating element to the corresponding area to be heated, so as to heat the corresponding area to be heated.
[0010] In one embodiment, the heat-conducting structure includes a heat-conducting plate and a plurality of heat-conducting sheets, the heat-conducting plate and the plurality of heat-conducting sheets are both arranged in the mounting cavity, and the plurality of heat-conducting sheets are all installed on the heat-conducting plate, the heating element is arranged close to the heat-conducting plate, and the plurality of heat-conducting sheets are arranged close to the heating port.
[0011] In one embodiment, a plurality of the heat conducting sheets are connected to form a corrugated structure.
[0012] In one embodiment, a folded edge is formed at the location of the heating port on the housing, the folded edge is extended in the direction of the heating port, and the heat conducting structure is detachably connected to the folded edge.
[0013] In one embodiment, a plurality of magnets are installed in the installation cavity, and each of the magnets is used to magnetically cooperate with the transformer oil tank to magnetically attract the housing to the area to be heated.
[0014] In one embodiment, a handle is installed on a side of the housing away from the area to be heated.
[0015] In one embodiment, a temperature controller is disposed in the installation cavity, and the temperature controller is used to control the heating element to stop heating when the temperature of the heating element exceeds a preset temperature.
[0016] The technical solution of the utility model provides a heating device, which includes a heating component and a control component. The outer surface of the transformer oil tank is divided into a plurality of heating zones. When the transformer oil tank needs to be heated to dry the transformer oil tank, a heating structure is installed in each heating zone. The transformer oil tank can be directly heated by the heating structure, so that the transformer oil tank can be heated, thereby drying the transformer oil tank. The operation is simple and convenient, and the heating of the transformer oil tank is uniform, the drying effect is good, and there is no need to set up a frame to raise the transformer oil tank, thereby reducing the workload of drying the transformer oil tank. The control component can control the heating structure of the heating zone according to the temperature information of the heating zone. It should be noted that if the temperature of the zone to be heated is too high, the control component controls the heating power of the heating structure of the zone to be heated to decrease or stop heating, so that the temperature of the zone to be heated decreases; if the temperature of the zone to be heated is too low, the control component controls the heating structure of the zone to be heated to start heating or controls the heating power of the heating structure to increase, so that the temperature of the zone to be heated increases, and then the temperature of the zone to be heated is within a reasonable temperature range, which can more accurately control the heating temperature of the transformer oil tank, achieve better drying effect, and effectively avoid aging of the transformer oil tank due to excessively high heating temperature. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0018] Figure 1 A schematic structural diagram of an embodiment of a heating device for a transformer oil tank provided by the utility model;
[0019] Figure 2 This is a structural schematic diagram of a heating structure in an embodiment of a heating device for a transformer oil tank provided by the utility model.
[0020] Description of Figure Numbers:
[0021] 100. Heating device; 10. Heating component; 11. Heating structure; 111. Housing; 1111. Installation cavity; 1112. Heating port; 1113. Folding edge; 1114. Magnet; 1115. Handle; 112. Heating element; 113. Heat-conducting structure; 1131. Heat-conducting plate; 1132. Heat-conducting sheet; 12. Temperature sensor; 20. Control component; 21. Main control module; 22. Sub-control module; 30. Temperature controller; 200. Transformer oil tank; 300. Heating zone.
[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.
[0025] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0026] The utility model provides a heating device 100 for a transformer oil tank 200 .
[0027] See also Figure 1 to Figure 2In one embodiment of the utility model, the heating device 100 of the transformer oil tank 200 includes a heating component 10 and a control component 20; wherein, each area to be heated 300 of the transformer oil tank 200 is correspondingly provided with a heating component 10, the heating component 10 includes a heating structure 11 and a temperature sensor 12 installed on the heating structure 11, and the heating structure 11 is detachably installed on the corresponding area to be heated 300; all heating structures 11 and all temperature sensors 12 are electrically connected to the control component 20, the heating structure 11 is used to heat the corresponding area to be heated 300, the temperature sensor 12 is used to sense the temperature information of the corresponding area to be heated 300, and the control component 20 is used to control the heating structure 11 where the temperature sensor 12 is located according to the temperature information.
[0028] The technical solution of the utility model provides a heating device 100, which includes a heating component 10 and a control component 20. The outer surface of the transformer oil tank 200 is divided into a plurality of heating zones 300. When the transformer oil tank 200 needs to be heated to dry the transformer oil tank 200, a heating structure 11 is installed in each heating zone 300. The transformer oil tank 200 can be directly heated by the heating structure 11, so that the transformer oil tank 200 can be heated, thereby drying the transformer oil tank 200. The operation is simple and convenient, and the heating of the transformer oil tank 200 is uniform, the drying effect is good, and there is no need to set up a frame to raise the transformer oil tank 200, thereby reducing the workload of drying the transformer oil tank 200. Then, the temperature information of the corresponding heating zone 300 can be obtained by the temperature sensor 12 installed on the heating structure 11, and then the temperature information is sent to the control component 20. The control component 20 can control the heating structure 11 of the heating zone 300 according to the temperature information of the heating zone 300. It should be noted that, if the temperature of the zone to be heated 300 is too high, the control component 20 controls the heating power of the heating structure 11 of the zone to be heated 300 to decrease or stop heating, so that the temperature of the zone to be heated 300 decreases; if the temperature of the zone to be heated 300 is too low, the control component 20 controls the heating structure 11 of the zone to be heated 300 to start heating or controls the heating power of the heating structure 11 to increase, so that the temperature of the zone to be heated 300 increases, and then the temperature of the zone to be heated 300 is within a reasonable temperature range, so that the heating temperature of the transformer oil tank 200 can be controlled more accurately, the drying effect is better, and the aging of the transformer oil tank 200 caused by excessively high heating temperature is effectively avoided.
[0029] It should be noted that the control process or interaction process between the control component 20, the temperature sensor 12 and the heating structure 11 can adopt existing technologies.
[0030] In one embodiment of the utility model, each heating zone 300 is correspondingly provided with a heating module, each heating module includes a plurality of heating components 10, the control component 20 includes a main control module 21 and a plurality of sub-control modules 22 electrically connected to the main control module 21, the number of sub-control modules 22 and the heating modules are the same and they are electrically connected one by one, and the main control module 21 is used to control the corresponding heating module through each sub-control module 22.
[0031] Specifically, as shown in the figure, a plurality of heating components 10 form a heating module, and a heating module is respectively set in each heating zone 300. The corresponding heating zone 300 can be heated by the plurality of heating structures 11 in the same heating module, and the heating is more uniform. And the control component 20 includes a main control module 21 and a plurality of sub-control modules 22. The main control module 21 controls the plurality of sub-control modules 22, and the sub-control modules 22 control the plurality of heating structures 11 in the corresponding heating modules. The control of the plurality of heating modules is realized by a double-level control module. When the control component 20 fails, the fault point in the control component 20 can be quickly found and repaired, which is easy to maintain.
[0032] It should be noted that the control process or interaction process between the main control module 21, the sub-control module 22, the temperature sensor 12 and the heating structure 11 can all adopt existing technologies.
[0033] In one embodiment of the utility model, the heating structure 11 includes a shell 111 and a heating element 112. The shell 111 can be detachably installed in its corresponding heating area 300. An installation cavity 1111 is formed in the shell 111. The heating element 112 is installed in the installation cavity 1111. The heating element 112 is electrically connected to the control component 20. The heating element 112 is used to generate heat to heat the corresponding heating area 300. The control component 20 is used to control the heating element 112 of the heating structure 11 where the temperature sensor 12 is located according to temperature information.
[0034] Specifically, as shown in the figure, by installing the heating element 112 in the installation cavity 1111 of the housing 111, effective protection can be provided for the heating element 112, effectively avoiding damage to the heating element 112, and improving the durability of the heating structure 11. In addition, the heating element 112 is installed in the housing 111, and the heating element 112 first dissipates heat into the installation cavity 1111 and conducts it to the housing 111, and then transfers the heat to the area to be heated 300 through the housing 111, so that the heat can be transferred to the area to be heated 300 more evenly.
[0035] In one embodiment of the utility model, a heating port 1112 is provided on one side of the shell 111 close to the zone to be heated 300, the heating port 1112 is connected to the installation cavity 1111, and a heat-conducting structure 113 is sealed at the heating port 1112. The heat-conducting structure 113 is used to conduct the heat generated by the heating element 112 to the corresponding zone to be heated 300, so as to heat the corresponding zone to be heated 300.
[0036] Specifically, as shown in the figure, the lower side of the shell 111 is arranged close to the zone to be heated 300, and a heating port 1112 is opened on the lower side of the shell 111. A heat-conducting structure 113 is installed at the heating port 1112. The heat in the installation cavity 1111 can be more evenly and quickly conducted to the zone to be heated 300 through the heat-conducting structure 113, and the heating effect is good.
[0037] In one embodiment of the utility model, the heat-conducting structure 113 includes a heat-conducting plate 1131 and a plurality of heat-conducting sheets 1132. The heat-conducting plate 1131 and the plurality of heat-conducting sheets 1132 are both arranged in the installation cavity 1111, and the plurality of heat-conducting sheets 1132 are all installed on the heat-conducting plate 1131. The heating element 112 is arranged close to the heat-conducting plate 1131, and the plurality of heat-conducting sheets 1132 are arranged close to the heating port 1112.
[0038] Specifically, as shown in the figure, the heat-conducting structure 113 includes a heat-conducting plate 1131 and a plurality of heat-conducting sheets 1132. The plurality of heat-conducting sheets 1132 are installed on the lower side of the heat-conducting plate 1131. The heat-conducting sheets 1132 are arranged close to the heating port 1112. The heat-conducting plate 1131 is arranged close to the heating element 112 and below the heating element 112. The heat dissipated from the heating element 112 to the installation cavity 1111 can be absorbed faster and better. The heat can be conducted to the heating area 300 more evenly and faster through the plurality of heating sheets arranged close to the heating port 1112 thereon, thereby achieving a good heating effect.
[0039] In one embodiment of the utility model, a plurality of heat conductive sheets 1132 are connected to form a corrugated structure, which can effectively increase the surface area of the heat conductive sheets 1132, so that heat can be transferred from the heating element 112 to the heating area 300 more quickly, resulting in a better heating effect.
[0040] In an embodiment of the utility model, a folded edge 1113 is formed at the location of the heating port 1112 on the housing 111 , and the folded edge 1113 is extended toward the heating port 1112 . The heat conducting structure 113 is detachably connected to the folded edge 1113 .
[0041] Specifically, as shown in the figure, a folded edge 1113 is formed on the lower side of the shell 111, and the folded edge 1113 is extended along the left and right direction and toward the heating port 1112. The heat-conducting structure 113 can be detachably connected to the upper side of the folded edge 1113 by rivets or bolts, so that the installation of the heat-conducting structure 113 can be completed, which is simple and convenient.
[0042] In an embodiment of the present invention, a plurality of magnets 1114 are installed in the installation cavity 1111 , and each magnet 1114 is used to magnetically cooperate with the transformer oil tank 200 to magnetically attract the housing 111 to the heating area 300 .
[0043] Specifically, as shown in the figure, the shell 111 is in a cube shape, and there are four magnets 1114. The magnets 1114 are arranged on the lower cavity wall of the installation cavity 1111 close to the heating port 1112. The four magnets 1114 are respectively located at the four corner ends of the installation cavity 1111. The shell 111 can be magnetically attracted to the heating area 300 more firmly through the four magnets 1114, which is stable and reliable.
[0044] In one embodiment of the present invention, a handle 1115 is installed on a side of the housing 111 away from the heating area 300 .
[0045] Specifically, as shown in the figure, a handle 1115 is provided on the upper side of the shell 111, and the operator can easily pick up the heating structure 11 through the handle 1115, and place the heating structure 11 in the heating area 300, which is simple, convenient and labor-saving.
[0046] In an embodiment of the present invention, a temperature controller 30 is disposed in the installation cavity 1111 , and the temperature controller 30 is used to control the heating element 112 to stop heating when the temperature of the heating element 112 exceeds a preset temperature.
[0047] Specifically, as shown in the figure, a temperature controller 30 is arranged in the installation cavity 1111. When the heating element 112 generates heat, the temperature controller 30 can monitor the temperature of the heating element 112. If the temperature of the heating element 112 exceeds the preset temperature, the temperature controller 30 controls the heating element 112 to stop generating heat, so that the heating element 112 stops working, which can avoid the heating element 112 from being too high in temperature, causing the transformer oil tank 200 to be heated to an excessively high temperature, and is stable and reliable.
[0048] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A heating device for a transformer oil tank, characterized in that: The heating device comprises: A heating component, each area to be heated of the transformer tank is provided with the heating component correspondingly, the heating component comprises a heating structure and a temperature sensor mounted on the heating structure, and the heating structure is detachably mounted on the corresponding area to be heated; A control component, all the heating structures and all the temperature sensors are electrically connected to the control component, the heating structure is used to heat the corresponding area to be heated, the temperature sensor is used to sense the temperature information of the corresponding area to be heated, and the control component is used to control the heating structure where the temperature sensor is located according to the temperature information.
2. The heating device for transformer oil tank according to claim 1, characterized in that: A heating module is correspondingly provided for each of the zones to be heated, each of the heating modules includes a plurality of the heating components, the control component includes a main control module and a plurality of sub-control modules electrically connected to the main control module, the number of the sub-control modules and the heating modules is the same and they are electrically connected one-to-one, and the main control module is used to control the corresponding heating module through each of the sub-control modules.
3. The heating device for transformer oil tank according to claim 1, characterized in that: The heating structure includes a shell and a heating element. The shell is detachably installed on the corresponding area to be heated. An installation cavity is formed in the shell. The heating element is installed in the installation cavity. The heating element is electrically connected to the control component. The heating element is used to generate heat to heat the corresponding area to be heated. The control component is used to control the heating element of the heating structure where the temperature sensor is located according to the temperature information.
4. The heating device for transformer oil tank according to claim 3, characterized in that: A heating port is provided on one side of the shell close to the area to be heated, and the heating port is connected to the installation cavity. A heat-conducting structure is sealed at the heating port, and the heat-conducting structure is used to conduct the heat generated by the heating element to the corresponding area to be heated, so as to heat the corresponding area to be heated.
5. The heating device for transformer oil tank according to claim 4, characterized in that: The heat-conducting structure includes a heat-conducting plate and a plurality of heat-conducting sheets. The heat-conducting plate and the plurality of heat-conducting sheets are both arranged in the mounting cavity, and the plurality of heat-conducting sheets are all installed on the heat-conducting plate. The heating element is arranged close to the heat-conducting plate, and the plurality of heat-conducting sheets are arranged close to the heating port.
6. The heating device for the transformer oil tank according to claim 5, characterized in that: A plurality of the heat conducting sheets are connected to form a corrugated structure.
7. The heating device for transformer oil tank according to claim 4, characterized in that: A folded edge is formed at the position of the heating port on the shell, the folded edge is extended in the direction of the heating port, and the heat conducting structure is detachably connected to the folded edge.
8. The heating device for a transformer oil tank according to any one of claims 3 to 7, characterized in that: A plurality of magnets are installed in the installation cavity, and each of the magnets is used to cooperate with the transformer oil tank by magnetic attraction to magnetically attract the shell to the area to be heated.
9. The heating device for a transformer oil tank according to any one of claims 3 to 7, characterized in that: A handle is installed on a side of the housing away from the area to be heated.
10. The heating device for a transformer oil tank according to any one of claims 3 to 7, characterized in that: A temperature controller is arranged in the installation cavity, and the temperature controller is used to control the heating element to stop heating when the temperature of the heating element exceeds a preset temperature.