CN213544446U - Energy-saving casing temperature rise test device - Google Patents
Energy-saving casing temperature rise test device Download PDFInfo
- Publication number
- CN213544446U CN213544446U CN202022270462.9U CN202022270462U CN213544446U CN 213544446 U CN213544446 U CN 213544446U CN 202022270462 U CN202022270462 U CN 202022270462U CN 213544446 U CN213544446 U CN 213544446U
- Authority
- CN
- China
- Prior art keywords
- oil tank
- winding
- metal oil
- insulating partition
- partition plates
- 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.)
- Active
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses an energy-saving casing pipe temperature rise test device, which comprises a metal oil tank, insulating partition plates, a separating brake switch and windings, wherein a plurality of insulating partition plates are uniformly and vertically fixed on the metal oil tank, and the windings are wound on the insulating partition plates; the opening switch is connected with the winding; a plurality of insulation space bars structures are the same, are rectangular shape board, and the long limit of rectangular shape board one side is equipped with trapezoidal tooth, and the long limit of opposite side is vertical to be fixed on metal oil tank's outer wall, and the winding is at a plurality of insulation space bars to during the trapezoidal tooth of each insulation space bar of embedding, the winding height of winding covers metal oil tank's whole or partial height, and trapezoidal tooth mouth use diameter is less than the winding of 15mm multiple wire. The utility model heats the transformer oil by a physical method; the insulating partition plates are used for partitioning the heat of the outer wall of the metal oil tank in a segmented mode, and the winding is not easily softened by the high temperature of the outer surface of the metal oil tank; the insulating space bar is suitable for the wire that the diameter is less than 15mm, and temperature monitoring work lasts, the accurate going on.
Description
Technical Field
The utility model relates to a sleeve pipe test frock specifically is an energy-saving sleeve pipe temperature rise test device.
Background
China is a large energy consumption country, and more than 74% of China is from thermal power generation, namely, power generation is performed by using combustibles such as coal. In the face of the contradiction between energy shortage and huge demand, in addition to saving power consumption in daily life, the electric quantity needs to be reduced in the process of improving the use of equipment, so that the utilization rate of the equipment is maximized, the efficiency is maximized, and the effect of reducing energy consumption is achieved through technical means.
According to the requirements regulated by the national standard GB/T4109: bushings immersed at one or both ends in oil or other liquid insulating medium should be immersed in oil at ambient temperature, but for transformer bushings the oil temperature should remain 60K + -2K above ambient temperature. According to the standard requirement, when the sleeve is used for carrying out a temperature rise test, the oil temperature needs to be heated to 60K +/-2K. The original useful temperature rise test equipment is mostly formed by welding metal oil tanks, after a proper amount of transformer oil is filled in the tanks, the transformer oil is deeply filled into the oil tanks through high-power heating rods (furnaces) to raise the temperature of the oil, the temperature is not accurately controlled and lacks flexibility, the control on the precision is slow, and the temperature in the oil tanks is difficult to control. The metal steel drum heat conductivity is big, and the heat dissipation is fast to the personnel that burn easily of metal drum, the transformer oil temperature can not accurately be controlled to this kind of device, and the wire winding can not be used to the metal oil tank surface, and lacks the flexibility, can not reach the requirement in the precision, and temperature control is inaccurate, lacks stability.
SUMMERY OF THE UTILITY MODEL
Inaccurate, lack flexibility and temperature variation fast to current sleeve pipe temperature-rise test device temperature control, lack not enough such as stability, the to-be-solved problem of the utility model is to provide an energy-saving sleeve pipe temperature-rise test device that can reduce the power consumption cost.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides an energy-saving casing temperature rise test device, which comprises a metal oil tank, insulating partition plates, a separating switch and windings, wherein a plurality of insulating partition plates are uniformly and vertically fixed on the metal oil tank, and the windings are wound on the insulating partition plates; the opening switch is electrically connected with the winding.
A plurality of insulation space bars structures are the same, are rectangular shape board, and the long limit of rectangular shape board one side is equipped with trapezoidal tooth, and the long limit of opposite side is vertical to be fixed on metal oil tank's outer wall, and the winding is at a plurality of insulation space bars to during the trapezoidal tooth of each insulation space bar of embedding, the winding height of winding covers metal oil tank's whole or partial height, and trapezoidal tooth mouth use diameter is less than the winding of 15mm multiple wire.
The number of the insulating partition plates of one oil tank is 8-16.
The metal oil tank is cylindrical, the upper end face of the metal oil tank extends beyond the cylindrical wall along the horizontal direction to form an upper edge, the lower end face of the metal oil tank extends outwards to form a base, and the upper end and the lower end of each insulating partition plate are abutted against the upper edge and the base and are clamped and fixed by the upper edge and the base.
The metal oil tank is one section or two sections, and two sections structures are including upper oil tank and lower oil tank, and wherein upper oil tank bottom all is equipped with the seal groove with lower oil tank upper portion contact surface, and two seal grooves keep with the axle center, and sealed the pad is placed in the middle of two notches, and two sections oil tanks pass through bolt and nut fastening.
The utility model has the following beneficial effects and advantages:
1. the utility model utilizes the eddy magnetic field generated by the coil circulation to be converted into a thermal field, and heats the transformer oil by a physical method; insulating partition plates with low heat conductivity are adopted and are placed on the outer wall of the metal oil tank at intervals in sections, so that the winding is not easily softened by the high temperature on the outer surface of the metal oil tank; the trapezoidal teeth of the insulating partition plate are suitable for wires with diameters smaller than 15mm and different specifications, so that the temperature monitoring work can be continuously and accurately carried out;
2. the utility model provides a separating brake switch independent control is coil current separately to the temperature of adjustment transformer oil reduces the energy consumption, improves the coil rate of utilization.
3. The utility model relates to an energy-saving temperature rise test device can very big degree lifting sleeve pipe temperature rise test efficiency, practices thrift fund, reduces the power consumption cost, for the productivity gain of enterprise. Small transformers are also suitable.
Drawings
FIG. 1 is a schematic structural view of the energy-saving casing temperature rise test device of the present invention;
FIG. 2 is a schematic structural view of the middle insulation partition plate of the present invention;
FIG. 3 is a schematic structural view of a connecting portion of a two-section metal fuel tank of the present invention;
fig. 4 is a partially enlarged view of fig. 3.
The oil tank comprises a sleeve 1, a metal oil tank 2, an upper oil tank 201, a lower oil tank 202, a bolt 203, a nut 204, a sealing washer 205, an insulating partition plate 3, a separating switch 4 and a winding 5.
Detailed Description
The invention will be further explained with reference to the drawings attached to the specification.
As shown in fig. 1, the utility model provides an energy-saving casing temperature rise test device, which comprises a metal oil tank 2, insulating partition plates 3, a separating switch 4 and windings 5, wherein a plurality of insulating partition plates 3 are uniformly and vertically fixed on the metal oil tank 2, and the windings 5 are wound on the insulating partition plates 3; the opening switch is electrically connected with the winding 5.
As shown in fig. 2, a plurality of insulating space bars 3 are the same in structure and are strip-shaped plates, the long edge of one side of each strip-shaped plate is provided with trapezoidal teeth, the long edge of the other side of each strip-shaped plate is vertically fixed on the outer wall of the metal oil tank 2, the winding 5 is wound on the insulating space bars 3 and is embedded into the trapezoidal teeth of the insulating space bars 3, and the winding height of the winding 5 covers the whole height or partial height of the metal oil tank 2.
The metal oil tank 2 is cylindrical, the upper end surface of the metal oil tank extends beyond the cylindrical wall along the horizontal direction to form an upper edge, the lower end surface of the metal oil tank extends outwards to form a base, and the upper end and the lower end of each insulating partition plate 3 are abutted against the upper edge and the base and are clamped and fixed by the upper edge and the base.
The insulating partition plate 3 of a section of oil tank is 8-16, and the installation mode is time-saving and labor-saving, does not need bolt fastening, and does not need to be bonded on the outer wall of the metal oil tank 2. In the embodiment, 12 insulating partition plates 3 are adopted, and the upper end and the lower end of each insulating partition plate are abutted against the upper edge and the base and are clamped and fixed by the upper edge and the base. The 12 trapezoidal tooth openings on the insulating partition plate 3 are integrally wound with the winding 5 formed by the conducting wires, so that the fixing of the insulating partition plate 3 is further strengthened while the conducting wires are prevented from sliding and falling off.
According to the different length of the end of the sleeve immersed in oil, the metal oil tank 2 is one section or two sections, the two sections of structures comprise an upper oil tank 201 and a lower oil tank 202, wherein the contact surfaces of the bottom of the upper oil tank 201 and the upper part of the lower oil tank 202 are respectively provided with a sealing groove, the two sealing grooves keep the same axis, and a sealing gasket is arranged between the two notches. The two oil tanks are fastened together by bolts and nuts, as shown in fig. 3-4.
The two-section structure metal oil tank 1 is designed by considering the difference of the lengths of the oil immersion parts of the sleeves to adjust, and meanwhile, the number of the windings is controlled according to the difference of the lengths of the oil immersion parts of the sleeves, so that the two-section structure metal oil tank is flexible to use, reduces energy consumption and saves cost.
In the embodiment, the insulating partition plate is made of insulating materials, so that the heat conductivity is small, the heat dissipation is not easy, and the wires are not easy to melt after being contacted. The winding 5 adopts the wire that the diameter is 10mm, and two ends of wire are connected with separating brake switch 4, connect the power through separating brake switch 4, and the quantity of switch can freely be adjusted, and the vortex intensity of group control winding 5, accurate control oil temperature. The opening and closing of the switch can be manually controlled.
The utility model provides a 2 circumference external use insulating space bars 3 of metal oil tank are evenly fixed, make winding and metal oil tank outer wall on the insulating space bar 3 separate. The metal oil tank 2 can be heated by an electric heating rod (or an electric heating furnace), and the temperature in the metal oil tank 2 can accurately reach a standard specified value by a method of heating the metal oil tank 2 through a winding 5 by using eddy current.
The utility model discloses a working process and principle as follows:
according to the difference of the lengths of the oil immersion ends of the sleeves, an oil tank with a proper height is selected, and the sleeves are placed in the metal oil tank 1.
A plurality of insulating partition plates are uniformly distributed and fixed on the outer wall of the metal oil tank, the outer side edge of each partition plate adopts a trapezoidal tooth structure, a winding 5 formed by a lead is wound on the partition plates, the winding 5 is wound at the trapezoidal groove to prevent the lead from sliding, falling off or moving, and meanwhile, the transformer oil is uniformly heated;
during the temperature rise test, the opening switch 4 is closed, and the winding 5 is electrified. The alternating current generates an eddy magnetic field through the winding 5, so that the temperature of the metal oil tank 2 is raised, and heat is transferred to oil through the outer wall of the metal oil tank 2.
If the lower oil end of the sleeve 1 immersed in the metal oil tank 2 is longer, the metal oil tank 2 with two sections of structures needs to be assembled into a whole for use, the two sections of metal oil tanks 2 are fastened by bolts and nuts, and the middle part is refueled with a sealing ring to prevent oil leakage. When the temperature in the metal oil tank 2 is about to reach the specified value of 60K, the valves are separated one by one, and the temperature rise speed of the transformer oil is accurately controlled.
The utility model discloses utilize the thermal field that the eddy current magnetic field that the coil circulation produced changes, heat transformer oil. Meanwhile, the insulating partition plates 3 with low heat conductivity are adopted to partition the outer wall of the metal oil tank in sections, so that the winding 5 is not easily softened by the high temperature on the outer surface of the metal oil tank; the insulating partition plate 3 is suitable for wires of various specifications, so that the temperature monitoring work can be continuously and accurately carried out; the opening switch 4 controls the current of each coil independently to adjust the temperature of the transformer oil, reduce energy consumption, improve the utilization rate of the coils and improve the controllability and reliability of the state of equipment.
The utility model discloses greatly shortened the heat time of transformer oil. The outer winding 5 on the insulating partition board 2 can be formed by one coil or multiple coils. The coils of the multiple groups are connected with the switches to control the on-off of the current. The trapezoidal teeth of the insulating spacer plate 3 can accommodate and replace wires with different specification diameters, for example, in the embodiment, the trapezoidal teeth of the insulating spacer plate 3 are designed to be 117, and a circle of wires can be wound by three teeth at each interval, and the wires can also be wound by four to five teeth. The winding can be wound in sections according to the height, each section is connected with one opening switch, and the winding is controlled according to the section (as shown in figure 3, four opening switches are adopted); each section of lead wire is immersed into the metal oil tank 2 according to different lengths of the sleeve, the height of the metal oil tank 2 is adjusted, the number of turns of the winding 5 is correspondingly adjusted, the use method is flexible, the energy consumption is reduced, and the cost is saved.
The utility model discloses also can adopt inside, two kinds of outside heating methods to rise the oily temperature, use the heating rod in the oil tank promptly, the outside utilizes the mode of circular telegram coil eddy current heating. The two methods can be used together or separately.
Claims (5)
1. The utility model provides an energy-saving bushing temperature rise test device which characterized in that: the device comprises a metal oil tank, insulating partition plates, a separating switch and windings, wherein the insulating partition plates are uniformly and vertically fixed on the metal oil tank, and the windings are wound on the insulating partition plates; the opening switch is electrically connected with the winding.
2. The energy-saving casing temperature rise test device of claim 1, wherein: a plurality of insulation space bars structures are the same, are rectangular shape board, and the long limit of rectangular shape board one side is equipped with trapezoidal tooth, and the long limit of opposite side is vertical to be fixed on metal oil tank's outer wall, and the winding is at a plurality of insulation space bars to during the trapezoidal tooth of each insulation space bar of embedding, the winding height of winding covers metal oil tank's whole or partial height, and trapezoidal tooth mouth use diameter is less than the winding of 15mm multiple wire.
3. The energy-saving type casing temperature rise test device according to claim 1 or 2, characterized in that: the number of the insulating partition plates is 8-16.
4. The energy-saving casing temperature rise test device of claim 1, wherein: the metal oil tank is cylindrical, the upper end face of the metal oil tank extends beyond the cylindrical wall along the horizontal direction to form an upper edge, the lower end face of the metal oil tank extends outwards to form a base, and the upper end and the lower end of each insulating partition plate are abutted against the upper edge and the base and are clamped and fixed by the upper edge and the base.
5. The energy-saving casing temperature rise test device of claim 1, wherein: the metal oil tank is one section or two sections, and two sections structures are including upper oil tank and lower oil tank, and wherein upper oil tank bottom all is equipped with the seal groove with lower oil tank upper portion contact surface, and two seal grooves keep with the axle center, and sealed the pad is placed in the middle of two notches, and two sections oil tanks pass through bolt and nut fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022270462.9U CN213544446U (en) | 2020-10-13 | 2020-10-13 | Energy-saving casing temperature rise test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022270462.9U CN213544446U (en) | 2020-10-13 | 2020-10-13 | Energy-saving casing temperature rise test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213544446U true CN213544446U (en) | 2021-06-25 |
Family
ID=76497131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022270462.9U Active CN213544446U (en) | 2020-10-13 | 2020-10-13 | Energy-saving casing temperature rise test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213544446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354671A (en) * | 2020-10-13 | 2022-04-15 | 沈阳和新套管有限公司 | Energy-saving sleeve pipe temperature rise test device |
-
2020
- 2020-10-13 CN CN202022270462.9U patent/CN213544446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354671A (en) * | 2020-10-13 | 2022-04-15 | 沈阳和新套管有限公司 | Energy-saving sleeve pipe temperature rise test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213544446U (en) | Energy-saving casing temperature rise test device | |
| CN114354671A (en) | Energy-saving sleeve pipe temperature rise test device | |
| CN111556600B (en) | Sleeve type transformer oil heating device and method based on electromagnetic induction heating principle | |
| CN206758217U (en) | A kind of core for transformer | |
| CN205029901U (en) | Novel explosion -proof energy -conserving electromagnetic heating stick | |
| CN203744512U (en) | Electromagnetic water heater | |
| CN211290574U (en) | Explosion-proof electric heating rod | |
| CN210042257U (en) | Hot-jacket type thrust collar heating device for hydropower station | |
| CN114673979B (en) | High-voltage electrode boiler with changed power regulation mode and power regulation method thereof | |
| CN105571114A (en) | Novel immersed heating electrode | |
| CN203279234U (en) | Flexible assembly type induction heater | |
| CN212211432U (en) | Sleeve type transformer oil heating device based on electromagnetic induction heating principle | |
| CN201417664Y (en) | Medium-high frequency transformer for high and low tension coil | |
| CN221807211U (en) | Electromagnetic electrode power control device | |
| CN203015161U (en) | Haversian type electromagnetic heater | |
| CN202547372U (en) | Magnet yoke device of intermediate frequency induction melting furnace | |
| CN108882413B (en) | Electrothermal tube connection structure of combined high-voltage heater | |
| CN207118008U (en) | A kind of radiationless high-efficiency electromagnetic induction heating equipment | |
| CN209744350U (en) | Avoid steam wine of scale deposit to examine boiler | |
| CN221706181U (en) | Medium frequency graphite electric furnace | |
| CN211980378U (en) | Energy-saving transformer structure | |
| CN111292928B (en) | Novel oil becomes insulating formed part | |
| CN211831218U (en) | Ceramic heating tube | |
| CN204922920U (en) | Steam cabinet | |
| CN204836633U (en) | Novel high -efficient high frequency induction heating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |