Oil-immersed transformer with temperature monitoring and early warning functions
By using thermochromic ink in oil-immersed transformers, temperature monitoring and early warning without power supply are achieved, solving the problem of the inability to intuitively display temperature in existing technologies, and realizing accurate, environmentally friendly and energy-saving temperature monitoring.
Patent Information
- Application Number
- CN202520089991.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing oil-immersed transformers cannot display the internal temperature intuitively, and the electronically controlled temperature display suffers from energy loss and failure risks, and replacement is inconvenient.
The temperature-sensitive ink is used as the temperature display medium. It changes color by temperature changes to achieve temperature monitoring and early warning without power supply. Combined with stainless steel and heat transfer materials, it improves sensing sensitivity and feedback speed.
It achieves accurate temperature display without power supply, reduces power dependence and failure risk, improves monitoring accuracy and environmental friendliness, and saves energy.
Smart Images
Figure CN223757379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer temperature display technical field, concretely is an oil immersed transformer with temperature monitoring early warning. BACKGROUND
[0002] Oil immersed transformer begins to get extensive application in the 21st century, and this kind of transformer is three-phase winding core full-sealed oil immersed power transformer, and it is the energy-saving distribution transformer product with the optimal performance index at present. It adopts special core structure, greatly reduces the magnetic resistance, reduces 70%~85% of no-load current, improves the power factor and reduces the power grid loss.
[0003] But this kind of transformer is cooled by soaking in cooling oil, which makes the temperature of the transformer directly conduct to the cooling oil, and the working personnel cannot observe its cooling temperature due to the sealed design, and now commonly used electric control is used to display temperature, and this design has the defect of increasing energy loss, and manual replacement is required when failure occurs, therefore an apparatus capable of directly displaying internal temperature condition and not consuming electricity is proposed. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies in the prior art, the utility model provides an oil immersed transformer with temperature monitoring early warning, which has the advantages of convenient replacement and no need for electric control, and solves the problem of complicated replacement and instability of electric control.
[0006] (II) technical scheme
[0007] To achieve the above-mentioned purposes of convenient replacement and no need for electric control, the utility model provides the following technical scheme:
[0008] An oil immersed transformer with temperature monitoring early warning, comprising an oil tank, a base is fixedly installed at the bottom of the oil tank, three high-voltage bushings are equidistantly installed at the top of the oil tank, an oil pillow is installed at the left side of the top of the oil tank through a support, a heat dissipation device is installed on the front of the oil tank, an installation slot is plug-in installed at the middle of the front of the heat dissipation device, five iron cores are equidistantly installed inside the oil tank, and a temperature early warning device is plug-in installed inside the installation slot.
[0009] The temperature early warning device comprises an insertion plate, a handle is installed at the top of the insertion plate, a layer of temperature change ink is laid in the handle, and a back plate is fixedly connected to the back of the insertion plate.
[0010] As a preferred technical scheme of the utility model, a fixed support is installed at the bottom of the oil pillow, the fixed support is made of steel material, a transmission pipeline is installed at the bottom of the oil pillow, and the other side of the transmission pipeline is connected to the top of the oil tank.
[0011] As a preferred technical scheme of the utility model, the base is installed oppositely, and the outer side is treated by hollowing out, the base is connected to the bottom of the oil tank by welding, and the base is integrally made of steel material.
[0012] As a preferred technical scheme of the utility model, the mounting groove is inserted into the front of the heat dissipation device, and the back extends to the inner side of the oil tank, and the mounting groove and the heat dissipation device are sealed.
[0013] As a preferred technical scheme of the utility model, three high-pressure bushings are installed, and low-pressure bushings are installed on both sides of the bottom of the high-pressure bushing at the top of the oil tank.
[0014] As a preferred technical scheme of the utility model, the outer side of the insertion plate is treated by rounding, the insertion plate is integrally made of stainless steel material, and the outer side of the insertion plate is fixed with the temperature change ink on the inner side by rivets.
[0015] As a preferred technical scheme of the utility model, the top of the insertion plate is provided with a handle, the outer side of the handle is polished, the back of the insertion plate is provided with a back plate, and the back plate is made of heat transfer material.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides an oil-immersed transformer with temperature monitoring and early warning, which has the following beneficial effects:
[0018] 1. The oil-immersed transformer with temperature monitoring and early warning can display without power supply by temperature change ink, and does not need external power supply or wire connection, thereby reducing the dependence on power supply and potential failure risk.
[0019] 2. The oil-immersed transformer with temperature monitoring and early warning can realize high accuracy by temperature change ink, and the temperature sensing sensitivity of temperature change graphite is high, so that the running temperature of the transformer can be accurately reflected, and damage or performance decline of the equipment caused by too high or too low temperature can be avoided.
[0020] 3. The oil-immersed transformer with temperature monitoring and early warning can realize environmental protection and energy saving by temperature change ink, and temperature display by temperature change graphite does not produce harmful substances and is harmless to the environment, and also helps the transformer to realize energy-saving operation and reduce energy consumption. DRAWINGS
[0021] Figure 1 The utility model is an oil-immersed transformer structure schematic view;
[0022] Figure 2 It is the internal structure schematic view of the oil-immersed transformer of the utility model;
[0023] Figure 3 It is the structure schematic view of the insertion plate of the utility model;
[0024] Figure 4 It is the structure schematic view of the insertion plate side of the utility model.
[0025] In the figure: 1, oil tank; 2, mounting groove; 3, high voltage sleeve; 4, base; 5, heat dissipation device; 6, oil pillow; 7, core; 8, temperature change ink; 9, handle; 10, insertion plate; 11, back plate. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0027] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.
[0028] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0029] Please refer to Figures 1-4 An oil-immersed transformer with temperature monitoring and early warning, comprising an oil tank 1, a base 4 is fixedly installed at the bottom of the oil tank 1, three high voltage sleeves 3 are equidistantly installed at the top of the oil tank 1, an oil pillow 6 is installed at the top left side of the oil tank 1 through a support, a heat dissipation device 5 is installed on the front of the oil tank 1, a mounting groove 2 is insertedly installed on the front middle part of the heat dissipation device 5, five cores 7 are equidistantly installed inside the oil tank 1, and a temperature early warning device is insertedly installed inside the mounting groove 2.
[0030] The temperature warning device comprises an insertion plate 10, a handle 9 is installed on the top of the insertion plate 10, a temperature change ink 8 is laid in the handle 9, and a back plate 11 is fixedly connected to the back of the insertion plate 10.
[0031] Further, the bottom of the oil pillow 6 is provided with a fixed support made of steel, and the bottom of the oil pillow 6 is provided with a transmission pipeline connected to the top of the oil tank 1.
[0032] It should be noted that the oil pillow 6 is designed in an overhead manner, which enables it to be automatically injected by pressure without the need for external force to input cooling oil.
[0033] Further, the base 4 is installed in opposition, and the outer side thereof is treated by hollowing, the base 4 is welded to the bottom of the oil tank 1, and the base 4 is integrally made of steel.
[0034] It should be noted that the welding type installation can increase the stability of the device connection, and the hollow treatment can reduce the transportation load.
[0035] Further, the insertion type installation of the installation groove 2 is to the front of the heat dissipation device 5, the back of which extends to the inner side of the oil tank 1, and the installation groove 2 and the heat dissipation device 5 are sealed.
[0036] It should be noted that the sealing treatment can effectively prevent the leakage of cooling oil from causing equipment failure, and facilitate its disassembly and maintenance.
[0037] Further, the high-pressure sleeve 3 is provided with three, and the low-pressure sleeve is installed on both sides of the bottom of the high-pressure sleeve 3.
[0038] Further, the outer side of the insertion plate 10 is treated by rounding, the insertion plate 10 is integrally made of stainless steel, and the temperature change ink 8 is fixed to the inner side of the insertion plate 10 by rivets.
[0039] It should be noted that the rounding treatment can remove burrs and increase the smoothness of installation.
[0040] Further, the handle 9 is installed on the top of the insertion plate 10, the outer side of the handle 9 is polished, the back plate 11 is installed on the back of the insertion plate 10, and the back plate 11 is made of heat transfer material.
[0041] It should be noted that the back plate made of heat transfer material can improve the feedback speed of the temperature change ink 8 and improve the cooperation degree with the oil tank 1.
[0042] Beneficial effects:
[0043] 1. The oil-immersed transformer with temperature monitoring and early warning can realize display without power supply through temperature-changing ink, since the temperature-changing ink changes color by relying on temperature change, thus without external power supply or wire connection, reducing dependence on power supply and potential failure risk.
[0044] 2. The oil-immersed transformer with temperature monitoring and early warning can realize high accuracy through temperature-changing ink, the temperature-changing graphite has high temperature sensing sensitivity, can accurately reflect the operating temperature of the transformer, avoiding equipment damage or performance decline due to excessively high or low temperature.
[0045] 3. The oil-immersed transformer with temperature monitoring and early warning can realize environmental protection and energy saving, temperature display by using temperature-changing graphite will not produce harmful substances, harmless to the environment, and also helps the transformer to realize energy-saving operation, reducing energy consumption.
[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An oil immersed transformer with temperature monitoring warning comprising an oil tank (1) characterized in that: The bottom of the oil tank (1) is fixedly installed with a base (4), the top of the oil tank (1) is equidistantly installed with three high-pressure sleeves (3), the left side of the top of the oil tank (1) is installed with an oil pillow (6) through a support, the front of the oil tank (1) is installed with a heat dissipation device (5), the front of the heat dissipation device (5) is insertingly installed with a mounting groove (2), the inside of the oil tank (1) is equidistantly installed with five iron cores (7), and the inside of the mounting groove (2) is insertingly installed with a temperature early warning device. The temperature early warning device comprises an insertion plate (10), the top of the insertion plate (10) is installed with a handle (9), the inside of the handle (9) is paved with a layer of temperature-changing ink (8), and the back of the insertion plate (10) is fixedly connected with a back plate (11).
2. The oil immersed transformer with temperature monitoring and early warning according to claim 1, characterized in that: The bottom of the oil pillow (6) is installed with a fixed support made of steel material, and the bottom of the oil pillow (6) is installed with a transmission pipeline connected with the top of the oil tank (1) on the other side.
3. The oil immersed transformer with temperature monitoring and early warning according to claim 1, characterized in that: The base (4) is installed in opposition, the outer side thereof is treated by hollowing, the base (4) is welded to the bottom of the oil tank (1), and the base (4) is integrally made of steel material.
4. The oil immersed transformer with temperature monitoring and early warning according to claim 1, characterized in that: The mounting groove (2) is insertingly mounted to the front of the heat dissipation device (5), the back of the mounting groove (2) extends to the inside of the oil tank (1), and the mounting groove (2) and the heat dissipation device (5) are sealed.
5. The oil immersed transformer with temperature monitoring and warning according to claim 1, characterized in that: The high-pressure sleeve (3) is installed with three in total, and the bottom of the high-pressure sleeve (3) is installed with a low-pressure sleeve on both sides of the top of the oil tank (1).
6. The oil immersed transformer with temperature monitoring and early warning according to claim 1, characterized in that: The outer side of the insertion plate (10) is treated by rounding, the insertion plate (10) is integrally made of stainless steel material, and the outer side of the insertion plate (10) is fixedly installed with the temperature-changing ink (8) on the inside thereof through rivets.
7. The oil immersed transformer with temperature monitoring and warning according to claim 1, characterized in that: The top of the insertion plate (10) is installed with a handle (9), the outer side of the handle (9) is treated by polishing, the back of the insertion plate (10) is installed with a back plate (11), and the back plate (11) is made of heat transfer material.