CN208489089U - Oil-immersed transformer radiator - Google Patents
Oil-immersed transformer radiator Download PDFInfo
- Publication number
- CN208489089U CN208489089U CN201820209919.5U CN201820209919U CN208489089U CN 208489089 U CN208489089 U CN 208489089U CN 201820209919 U CN201820209919 U CN 201820209919U CN 208489089 U CN208489089 U CN 208489089U
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- CN
- China
- Prior art keywords
- cooling fin
- temperature sensor
- module
- microprocessor
- fan
- 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.)
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Abstract
The utility model discloses a kind of oil-immersed transformer radiators, are related to transformer technology field.The radiator includes being sequentially connected the simultaneously internal upper oil collecting pipe being connected to, cooling fin and lower oil collecting pipe, it further include temperature sensor, microprocessor, several mini-fans and power module, the cooling fin is full of twists and turns shape, each zigzag part of the cooling fin is equipped with one or more ventilation holes for running through its left and right, one mini-fan is set in each detour unit, the temperature sensor is located at the outer surface of the cooling fin, and the signal output end of the temperature sensor is connect with the signal input part of the microprocessor, temperature sensor is used to incude the surface temperature of cooling fin；The control terminal of the mini-fan is connect with the signal output end of the microprocessor, and microprocessor is used to control the fan work according to the temperature information of temperature sensor senses.The characteristics of radiator is conducive to the circulation with hot-air, has radiating rate fast, good heat dissipation effect.
Description
Technical field
The utility model relates to transformer technology fields more particularly to a kind of oil-immersed transformer that heat-sinking capability is strong to radiate
Device.
Background technique
When transformer station high-voltage side bus, the loss in winding and iron core can generate amount of heat, it is necessary to be dissipated away in time in order to avoid mistake
Heat and cause insulation damages.To small capacity transformer, the ratio between external surface area and transformer volume are relatively large, can use self cooling
Mode can be dispersed heat by radiation and free convection.But the loss of transformer is proportional to its volume, with transformer
The increase of capacity, volume and loss will be increased with the cube of core dimensions, and external surface area is only increased with the quadratic power of size
Add.Therefore, high-power transformer iron core and winding need to soak in the oil, take the cooling provision of oil.Tank surface is wanted
Wrinkle shape is made into increase radiating surface, or installs chip or flat-tube radiator additional, circulates oil in radiator.With to height
The demand of the increase of pressure, super-pressure, high-power transformer demand, the dedicated gilled radiator of transformer is incrementally increasing.
Currently, oil-immersed transformer is to reach the temperature rise for reducing immersion oil in transformer using its radiator, which dissipates
Hot device is made of multiple cooling fins, and each cooling fin is after being pressed into flute profile oil duct by sheet metal, and two panels group is welded into a piece of dissipate
Backing, then group is welded into gilled radiator again.In order to increase heat dissipation area, occur largely having in the prior art full of twists and turns
The radiator in portion, and fan is cooperated to radiate, but the wind of fan discharge is not easily accessed the rebate of cooling fin, heat dissipation
Ability is restricted.
Utility model content
Technical problem to be solved in the utility model is how to provide a kind of oil-immersed transformer that heat-sinking capability is strong to dissipate
Hot device.
In order to solve the above technical problems, technical solution adopted in the utility model is: a kind of oil-immersed transformer heat dissipation
Device, including upper oil collecting pipe, cooling fin and the lower oil collecting pipe being sequentially connected and inside is connected to, it is characterised in that: further include that temperature passes
Sensor, microprocessor, several mini-fans and power module, the cooling fin be full of twists and turns shape, the cooling fin it is every
A zigzag part is equipped with one or more ventilation holes for running through its left and right, and a mini-fan is arranged in each detour unit,
The temperature sensor is located at the outer surface of the cooling fin, and the signal output end of the temperature sensor and the micro process
The signal input part of device connects, and temperature sensor is used to incude the surface temperature of cooling fin；The control terminal of the mini-fan with
The signal output end of the microprocessor connects, and microprocessor is used for according to the control of the temperature information of temperature sensor senses
Fan work；The power module is connect with the power input of the temperature sensor, microprocessor and mini-fan, is used
Yu Weiqi provides working power.
A further technical solution lies in: the sheet body of the cooling fin is sandwich, and heat absorption is equipped in the interlayer
Phase-change material.
A further technical solution lies in: the ventilation hole is circle.
A further technical solution lies in: the power module is lithium battery.
A further technical solution lies in: the power module includes rectification module, voltage transformation module and pressure stabilizing mould
The input of block, the rectification module terminates 220V alternating current, and the output end of the rectification module is defeated with the voltage transformation module
Enter end connection, the rectification module is used to 220V alternating current being converted to direct current；The output end of the voltage transformation module and institute
The input terminal connection of Voltage stabilizing module is stated, the DC voltage that the voltage transformation module is used to export rectification module carries out at decompression
Reason is transformed to required voltage described in microprocessor, temperature sensor and mini-fan；The output end of the Voltage stabilizing module is
The output end of the power module.
The beneficial effects of adopting the technical scheme are that the cooling fin of the radiator is full of twists and turns
Shape is equipped with one or more ventilation holes for running through its left and right on each zigzag part, and one is arranged in each detour unit
Mini-fan, when the temperature information that temperature sensor senses arrive is greater than preset threshold value, microprocessor controls all miniature
The wind of fan work, the fan blowout largely passes through the outside that ventilation hole is discharged to the cooling fin, is conducive to hot-air
Circulation, can further speed up the radiating rate of the cooling fin, prevent the high oil temperature in cooling fin.
In addition, the sheet body of the cooling fin can also be sandwich, heat absorption phase-change material is equipped in the interlayer, when
When the phase-change material absorbs heat, another state can be become from a kind of state, improve the heat-sinking capability of the cooling fin, it can be into one
The high oil temperature of step prevented in cooling fin.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the partial cross-sectional structural diagram of cooling fin in radiator described in the utility model embodiment；
Fig. 2 is the connection principle block diagram of electrical component in radiator described in the utility model embodiment；
Wherein: 1, upper oil collecting pipe 2, cooling fin 21, zigzag part 22, ventilation hole 23, detour unit 24, heat absorption phase-change material 3,
Lower oil collecting pipe 4, mini-fan.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Many details are explained in the following description in order to fully understand the utility model, but this is practical new
Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case where novel intension, therefore the utility model is not limited by the specific embodiments disclosed below.
As shown in Figure 1, the utility model embodiment discloses a kind of oil-immersed transformer radiator, including it is sequentially connected simultaneously
Upper oil collecting pipe 1, cooling fin 2 and the lower oil collecting pipe 3 of inside connection.As shown in Fig. 2, radiator described in the utility model further includes temperature
Spend sensor, microprocessor, several mini-fans 4 and power module.The cooling fin 2 is full of twists and turns shape, the heat dissipation
Each zigzag part 21 of piece 2 is equipped with one or more ventilation holes 22 for running through its left and right, is arranged in each detour unit 23
One mini-fan 4.The temperature sensor is located at the outer surface of the cooling fin 2, and the signal of the temperature sensor is defeated
Outlet is connect with the signal input part of the microprocessor, and temperature sensor is used to incude the surface temperature of cooling fin 2；It is described micro-
The control terminal of type fan 4 is connect with the signal output end of the microprocessor, and microprocessor is used for according to temperature sensor senses
Temperature information control the fan work；The power module and the temperature sensor, microprocessor and mini-fan 4
Power input connection, for providing working power for it.
The cooling fin of the radiator is full of twists and turns shape, is equipped on each zigzag part one or more left through it
Right ventilation hole, and a mini-fan is set in each detour unit, when the temperature information that temperature sensor senses arrive is big
When preset threshold value, microprocessor controls all mini-fan work, and the wind of the fan blowout largely passes through ventilation
Hole is discharged to the outside of the cooling fin, is conducive to the circulation of hot-air, can further speed up the radiating rate of the cooling fin, prevents
The only high oil temperature in cooling fin.
As shown in Figure 1, the sheet body of the cooling fin 2 is sandwich, heat absorption phase-change material 24 is equipped in the interlayer.
When phase-change material heat absorption, another state can be become from a kind of state, improve the heat-sinking capability of the cooling fin, it can be into
The high oil temperature of one step prevented in cooling fin.Furthermore it is preferred that, the ventilation hole is circle, it should be noted that described logical
The shape of air holes can also be rectangular, trapezoidal etc., and those skilled in the art can carry out adjustment appropriate according to actual needs.
In the present embodiment, the power module at least there are two types of selection, the first: the power module be lithium battery.The
Two kinds: the power module includes rectification module, voltage transformation module and Voltage stabilizing module, the input termination of the rectification module
220V alternating current, the output end of the rectification module are connect with the input terminal of the voltage transformation module, and the rectification module is used for
220V alternating current is converted into direct current；The output end of the voltage transformation module is connect with the input terminal of the Voltage stabilizing module, institute
It states DC voltage of the voltage transformation module for exporting rectification module and carries out decompression processing, be transformed to microprocessor, temperature passes
Required voltage described in sensor and mini-fan；The output end of the Voltage stabilizing module is the output end of the power module.It needs
Have a talk about bright, that in the specifically used both the above of power module is a kind of, needs the size according to transformer and uses ring
Border carries out adjustment appropriate.
Claims (5)
1. a kind of oil-immersed transformer radiator, including be sequentially connected and the internal upper oil collecting pipe (1) being connected to, cooling fin (2) and
Lower oil collecting pipe (3), it is characterised in that: it further include temperature sensor, microprocessor, several mini-fans (4) and power module,
The cooling fin (2) is full of twists and turns shape, and each zigzag part (21) of the cooling fin (2) is equipped with one or more through it
The ventilation hole (22) of left and right, is arranged a mini-fan (4) in each detour unit (23), and the temperature sensor is located at institute
The outer surface of cooling fin (2) is stated, and the signal input part of the signal output end of the temperature sensor and the microprocessor connects
It connects, temperature sensor is used to incude the surface temperature of cooling fin (2)；The control terminal and the micro process of the mini-fan (4)
The signal output end of device connects, and microprocessor is used to control the fan work according to the temperature information of temperature sensor senses；
The power module is connect with the power input of the temperature sensor, microprocessor and mini-fan (4), for being it
Working power is provided.
2. oil-immersed transformer radiator as described in claim 1, it is characterised in that: the sheet body of the cooling fin (2) is folder
Layer structure, is equipped with heat absorption phase-change material (24) in the interlayer.
3. oil-immersed transformer radiator as described in claim 1, it is characterised in that: the ventilation hole is circle.
4. oil-immersed transformer radiator as described in claim 1, it is characterised in that: the power module is lithium battery.
5. oil-immersed transformer radiator as described in claim 1, it is characterised in that: the power module includes rectification mould
The input of block, voltage transformation module and Voltage stabilizing module, the rectification module terminates 220V alternating current, the output of the rectification module
End is connect with the input terminal of the voltage transformation module, and the rectification module is used to 220V alternating current being converted to direct current；It is described
The output end of voltage transformation module is connect with the input terminal of the Voltage stabilizing module, and the voltage transformation module is used for rectification module
The DC voltage of output carries out decompression processing, is transformed to microprocessor, temperature sensor and mini-fan required voltage；Institute
The output end for stating Voltage stabilizing module is the output end of the power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209919.5U CN208489089U (en) | 2018-02-07 | 2018-02-07 | Oil-immersed transformer radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209919.5U CN208489089U (en) | 2018-02-07 | 2018-02-07 | Oil-immersed transformer radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489089U true CN208489089U (en) | 2019-02-12 |
Family
ID=65255041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209919.5U Expired - Fee Related CN208489089U (en) | 2018-02-07 | 2018-02-07 | Oil-immersed transformer radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261381A (en) * | 2020-03-09 | 2020-06-09 | 贵州电网有限责任公司 | Integrated heat dissipation type energy router capable of being adjusted and matched |
-
2018
- 2018-02-07 CN CN201820209919.5U patent/CN208489089U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261381A (en) * | 2020-03-09 | 2020-06-09 | 贵州电网有限责任公司 | Integrated heat dissipation type energy router capable of being adjusted and matched |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20200207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |