CN106973543A - One kind self-regulation high-low temperature protective device - Google Patents
One kind self-regulation high-low temperature protective device Download PDFInfo
- Publication number
- CN106973543A CN106973543A CN201610024434.4A CN201610024434A CN106973543A CN 106973543 A CN106973543 A CN 106973543A CN 201610024434 A CN201610024434 A CN 201610024434A CN 106973543 A CN106973543 A CN 106973543A
- Authority
- CN
- China
- Prior art keywords
- fin
- housing
- heat
- plate bracket
- bimetal plate
- 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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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention discloses one kind self-regulation high-low temperature protective device, including：Housing, bimetal plate bracket, fin；Wherein, the fin is arranged on housing side, and the contact surface of the fin is in housing, and the radiating surface of the fin is exposed to hull outside；Described bimetal plate bracket one end is fixed on enclosure interior, and the other end is fixedly connected with heat-sensitive component；The bimetal plate bracket produces different degrees of flexural deformation at different temperatures, makes to contact or separate with fin with the heat-sensitive component that the bimetal plate bracket is connected.
Description
Technical field
The present invention relates to device temperature regulation technology, more particularly to a kind of self-regulation high-low temperature protective device.
Background technology
Out of doors in the R＆D process of equipment, outdoor huge circumstance of temperature difference how is adapted to, is the one of thermal design
Individual main difficult technical.Outdoor temperature is very high sometimes, such as：Summer it is afternoon, generally require reinforcement dissipate
Hot measure, to reduce the temperature rise of internal circuit unit, makes its temperature be unlikely to the tolerance band beyond device；
Outdoor temperature is sometimes again than relatively low, such as：In the morning in winter, under such low temperature environment, above-mentioned dissipates
Hot measure can cause the temperature rise very little of device interior, temperature being permitted possibly lower than device of internal circuit unit
Can scope, cause function or property loss of energy；In order to ensure the function and performance under low temperature, it is sometimes desirable to draw
Enter special heater, start at low temperature, the circuit unit inside firing equipment；But, heater is not
Understand consumption electric power with can avoiding, waste the energy.
The use of temperature-controlled fan is also a conventional measure；Temperature-controlled fan starts at high temperature, strengthens dissipating for equipment
Heat；Stop at low temperature, the heat-sinking capability of equipment weakens, and is favorably improved internal temperature.But, fan
Long-term work can produce abrasion, and its service life typically only has thousands of hours, be unfavorable for improving reliability, week
Change to phase property fan and also result in the maintenance cost of equipment and substantially rise.
In existing outdoor equipment, mainly there are following several wide temperature ranges to realize equipment to work：First,
Heater, is characterized in that cost is relatively low, reliability is higher；But power consumption is big, and winter power wastage is serious.2nd,
Temperature-controlled fan, is characterized in that cost is relatively low, power consumption is relatively low；But poor reliability, maintenance cost is high.3rd, specially
With air-conditioning, it is characterized in that performance is good, the air-conditioning specially designed is applicable to very big range of temperature；But
Cost is very high, and power consumption is very big；Reliability is poor, safeguards complicated.
As seen from the above analysis, the best technology of current effect is exactly to use special air conditioner, but its cost
Costliness, leads to not apply in small inexpensive equipment.And in outdoor electrical equipment, such as communication equipment, this
The temperature that printed circuit board (PCB) (PCB, Printed Circuit Board) component in class of electronic devices can be stood
The upper limit is about 90 degree or so, far above the outdoor highest temperature, is usually no more than 60 degree, so,
Air-conditioning is rarely employed on mini-plant.Then respectively have a quality as temperature-controlled fan and heater, temperature-controlled fan it is weak
Point is that poor reliability needs maintenance, and heater can cause Overall Power Consumption to increase considerably, and be unfavorable for energy-conservation.
Equipment is improved heat-sinking capability in high temperature environments, and work temperature can be kept at low ambient temperatures
Degree, tackles broader ambient temperature range, is equipment supplier's urgent problem to be solved.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of self-regulation high-low temperature protective device, in high temperature ring
Heat-sinking capability can be improved under border, and operating temperature can be kept at low ambient temperatures, the environment temperature of equipment is improved
Spend accommodation.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The embodiments of the invention provide one kind self-regulation high-low temperature protective device, described device includes：Housing,
Bimetal plate bracket, fin；Wherein,
The fin is arranged on housing side, and the contact surface of the fin is in housing, the fin
Radiating surface be exposed to hull outside；
Described bimetal plate bracket one end is fixed on enclosure interior, and the other end is fixedly connected with heat-sensitive component；
The bimetal plate bracket produces different degrees of flexural deformation at different temperatures, makes and double gold
The heat-sensitive component of category plate rack connection is contacted or separated with fin.
In such scheme, the bimetal plate bracket is the metal by two or more different linear expansion rates, and/
Or, the composite construction that metal alloy is overlapped into；
The metal alloy includes：Manganin manganin alloy, dilval.
In such scheme, the shape of the bimetal plate bracket includes：It is U-shaped, or, yi word pattern.
In such scheme, the bimetal plate bracket is connected by screw bolts with heat-sensitive component；By adjusting spiral shell
Bolt, adjusts the distance between the heat-sensitive component and described fin.
In such scheme, the fin uses unitary metallic structure, or, Split type structure with the housing.
In such scheme, the housing of the Split type structure uses hot non-conductor conductor material, or, metal material
Material is made.
In such scheme, the hot non-conductor material includes：Plastics；The metal material includes：Aluminium,
Copper.
In such scheme, in addition to：Minute surface coating is used in the enclosure interior, and in enclosure interior filling
Heat-barrier material.
In such scheme, the surface of the heat-sensitive component and the fin cooling surface contacts is additionally provided with gold
Category pad.
In such scheme, the metal gasket surface is additionally provided with heat conductive pad.
The self-regulation high-low temperature protective device that the embodiment of the present invention is provided, including：Housing, bimetal leaf branch
Frame, fin；Wherein, the fin is arranged on housing side, and the contact surface of the fin is in housing
Interior, the radiating surface of the fin is exposed to hull outside；Described bimetal plate bracket one end is fixed on housing
Inside, the other end is fixedly connected with heat-sensitive component；The bimetal plate bracket is produced not at different temperatures
With the flexural deformation of degree, the heat-sensitive component being connected with the bimetal plate bracket is set to be connect with fin
Touch or separate；In this way, heat-sensitive component and fin contact are radiated under high-temperature situation, low-temperature condition
Operating temperature is maintained in lower heat-sensitive component income housing, the environment temperature accommodation of equipment is improved.
Brief description of the drawings
Fig. 1 is the composition structural representation of self-regulation high-low temperature protective device of the embodiment of the present invention；
Fig. 2 is the composition knot for the self-regulation high-low temperature protective device that the embodiment of the present invention is used for protection circuit component
Structure schematic diagram；
Fig. 3 is the composition structural representation of the U-shaped bimetal plate bracket of the embodiment of the present invention；
Fig. 4 is the composition structural representation of the self-regulation high-low temperature protective device of integrative-structure of the embodiment of the present invention
Figure；
Fig. 5 is the composition structural representation of another bimetal plate bracket set location of the embodiment of the present invention.
Embodiment
In the embodiment of the present invention, the self-regulation high-low temperature protective device includes：Housing, bimetal leaf branch
Frame, fin；Wherein, the fin is arranged on housing side, and the contact surface of the fin is in housing
Interior, the radiating surface of the fin is exposed to hull outside；Described bimetal plate bracket one end is fixed on housing
Inside, the other end is fixedly connected with heat-sensitive component；The bimetal plate bracket is produced not at different temperatures
With the flexural deformation of degree, the heat-sensitive component being connected with the bimetal plate bracket is set to be connect with fin
Touch or separate.
With reference to embodiment, the present invention is further described in more detail.
Fig. 1 is a kind of self-regulation high-low temperature protective device provided in an embodiment of the present invention, as shown in figure 1, institute
Stating device includes：Housing 1, bimetal plate bracket 2, fin 3；
Specifically, the fin 3 being made up of metals such as aluminium, copper can be arranged on outside the side of housing, dissipate
The radiating surface of backing 3, such as：Surface where radiation tooth, radiating fin, exposes outside housing 1, is used for
Radiated by air flow；The contact surface of fin 3 is located at the inner side of housing 1, for contacting and conducting heat
Amount, the contact surface can be an even curface.
To it is thermo-responsive, need carry out temperature protection heat-sensitive component 4 be arranged in the housing 1 of described device
Portion；Here, as shown in Fig. 2 the heat-sensitive component 4 can be circuit unit, by PCB 5 and attachment
Constituted in the electronic component 6 of PCB surface.
The heat-sensitive component 4 is fixed on inside housing 1 by bimetal plate bracket 2, bimetal plate bracket
2 one end are fixed on housing 1, and the other end and heat-sensitive component 4 are fixed, make heat-sensitive component 4 need into
Contact surface of the one side of row radiating just to the fin 3；The bimetal plate bracket 2 can use U-shaped
Structure, it would however also be possible to employ the other structures such as type structure, to adapt to various behaviours in service；Here, it is thermo-responsive
Part 4 needs the outer surface that the one side radiated can be electronic component 6 on PCB 5.
The cross-section structure of bimetal plate bracket 2 can be with as shown in figure 3, be overlapped by two kinds of metal or metal alloy
Composition.Inboard portion 10 can be the higher material of thermal coefficient of expansion, such as manganin manganin alloy；Outboard Sections
11 can be the relatively low material of thermal coefficient of expansion, such as dilval.This structure cause the U-shape structure by
When hot, two ends can be extended away to both sides, when to the cold, then two ends can be close to contract.Two end points tools
The displacement of body, can neatly be customized.In this way, when temperature is raised in housing 1, bimetal leaf branch
The two ends of frame 2 are extended away to both sides, and the heat-sensitive component 4 being fixed on bimetal plate bracket 2 can be pushed to
Fin 3, is externally radiated by fin 3；When the temperature of housing 1 is colder, bimetal plate bracket 2
Shrink, the heat-sensitive component 4 being fixed on bimetal plate bracket 2 can be pulled in housing 1 and fin 3
Depart from, be isolated from the outside by housing 1, preserve operating temperature.Further, bimetal plate bracket 2
Quantity can set one or more according to actual conditions, to ensure the energy of heat-sensitive component 4 and institute
Fin 3 is stated to be brought into close contact.
Further, as shown in Fig. 2 bimetal plate bracket 2 and heat-sensitive component 4 can use bolt 9
It is fixed, and can be adjusted by bolt 9 between heat-sensitive component 4 and the contact surface of the fin 3 away from
From；So can be in the case where bimetal leaf profile be fixed, to heat-sensitive component 4 and the fin 3
The distance between contact surface is adjusted, and adapts to broader temperature range.
As shown in Fig. 2 the surface of the heat-sensitive component 4 and the cooling surface contacts of fin 3, also may be used
To set one piece of smooth metal gasket 7, it is brought into close contact by thermal grease with heat-sensitive component 4, can be by
Metal gasket 7 is transmitted to, in favor of radiating the even heat of heat-sensitive component 4；In the metal gasket 7
Other side, can also be attached with one layer of elastic conducting heat pad 8, such as silica gel piece；So, it is ensured that
Fin 3 can closely be pasted by heat conductive pad 8 and metal gasket 7 with the heat-sensitive component 4 when temperature is raised
Close, improve heat conduction efficiency.Wherein, the metal gasket 7 can be made using materials such as aluminium, copper.
The housing 1 and fin 3 can be split designs, and fin 3 can be using gold such as aluminium, copper
Belong to material to make, strengthen radiating effect；Housing 1 can using metal material make, be used in temperature compared with
High environment.The housing 1 can also be made using the hot non-conductor such as plastics, it is adaptable to temperature change compared with
High environment, is radiated when environment temperature is high by fin 3, can be with when environment temperature is low
Heat-sensitive component 4 is departed from fin 3, temperature in shell is kept by housing 1；Further, Ke Yi
The inner side filling with insulation material of housing 1, using technologies such as minute surface coating, is greatly reduced heat-sensitive component 4 and shell
Pass through the heat-sinking capability of convection current and radiation between body 1.
As shown in figure 4, the housing and fin can also be integral, one is formed with heat sinking function
Housing 12, the housing 12 with heat sinking function can be made using the metal material such as aluminium, copper, in this way, can be with
Increase area of dissipation, it is adaptable to the higher situation of environment temperature.
As shown in figure 5, in practical application, the position that the bimetal plate bracket 2 is set can also be according to reality
The adjustment of border situation, in this case, the Outboard Sections of bimetal plate bracket 2 can for thermal coefficient of expansion compared with
High material, and inboard portion can be the relatively low material of thermal coefficient of expansion；In this way, this structure causes this
U-shape structure is when heated, then two ends can be close to contract, when to the cold, and two ends can stretch remote to both sides
From.
The present invention is played a part of being described in further detail with reference to specific example.
Here, with an outdoor version ustomer premises access equipment (CPE, Customer Premises Equipment)
Design, illustrates the realization of technical scheme of the embodiment of the present invention.
As shown in Fig. 2 the housing 1 of the outdoor CPE in the present embodiment is made and completely close by metallic aluminum material
Envelope, in the side of housing 1, is designed with the fin 3 of aluminum, fin 3 is radiating in the outside of housing 1
Tooth, fin 3 is an even curface in the inner side of housing 1, and its section is as shown in Figure 1.
In device interior, all electronic components 6 are arranged on one piece of PCB 5 both sides, PCB 5 chi
Very little is 120mm*120mm.Above the device of the wherein side of the PCB 5, one block of smooth gold is installed
Belong to aluminium sheet as metal gasket 7, size is 100mm*100mm, metal aluminum sheet is fixed on one with PCB 5
Rise, and be in close contact with the electronic component 6 on PCB 5；In the other side of the metal aluminum sheet, also
One layer of general elastic heat conducting material is attached with as heat conductive pad 8.
Above-mentioned circuit board assemblies, by four U-shaped bimetal plate brackets 2 and bolt 9, are fixed on housing
Inside 1.The U-shaped length of bimetal plate bracket 2 is 30mm, and the distance at its two ends is at 25 degrees Celsius without external force
When be 10mm.Using U-shaped bimetal plate bracket 2, the PCB components of aluminium sheet will be installed indirectly, Gu
It is scheduled on inside housing 1, and parallel alignment is located at the inner surface of fin 3 on housing 1.
First, by the length of regulating bolt 9, it may be adjusted to when more than 25 degrees Celsius, circuit unit
The inner side of housing 1 is touched, and when temperature is less than 15 degrees Celsius, circuit unit departs from the inner side of housing 1.
In CPE in the present embodiment, the suitable size of fin 3 is selected, housing 1 can be controlled to environment
Thermal resistance be every watt of 1 degree of temperature rise；Internal circuit unit with housing 1 when being not in contact with, and temperature rise is every watt
5 degrees Celsius, and when circuit unit touches 1 inner side of housing, because heat loss through conduction is very capable, its heat
Resistance drops to every watt of 2 degree of temperature rise.
The temperature range that circuit unit can be born is 0-80 degree, 5 watts of power consumption.The equipment institute can be calculated
The maximum environmental temperature scope that can be born；When circuit unit reaches 80 degree of maximum temperature, housing 1 is touched
Inwall, entire thermal resistance is 3 degree every watt, and stagnation temperature is upgraded to 5*3=15 degrees Celsius.Then highest environment temperature is
80-15=65 degree.
When circuit unit temperature is reduced to minimum 0 degree Celsius, circuit unit departs from the inwall of housing 1,
Entire thermal resistance is 6 degrees Celsius every watt, then 5 watts of corresponding temperature rises are 30 degree.So, minimum environment temperature is
It is 0-30=-30 degrees Celsius, i.e., subzero 30 degree.
In summary, the ambient temperature range that the equipment can be born is subzero 30 Dao 65 degrees Celsius above freezing.
As a comparison, if the equipment is without using such scheme, and heater scheme is used, then it is subzero
In the environment of 30 degree, 3 degrees Celsius every watt of thermal resistance is still kept, in order to reach 0 degree of minimum work temperature
Degree, it is necessary to thermal power be 30/3=10 watts, but circuit unit oneself power consumption only has 5W, it is therefore desirable to attached
Plus 10-5=5W heater, the environment temperature requirement at -30 to 65 degrees Celsius, the energy could be met
Waste very big.
It is described above, it is only the good embodiment of the present invention, is not intended to limit the protection model of the present invention
Enclose, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc. all should
Within protection scope of the present invention.
Claims (10)
1. one kind self-regulation high-low temperature protective device, it is characterised in that described device includes：Housing, double gold
Belong to plate rack, fin；Wherein,
The fin is arranged on housing side, and the contact surface of the fin is in housing, the fin
Radiating surface be exposed to hull outside；
Described bimetal plate bracket one end is fixed on enclosure interior, and the other end is fixedly connected with heat-sensitive component；
The bimetal plate bracket produces different degrees of flexural deformation at different temperatures, makes and double gold
The heat-sensitive component of category plate rack connection is contacted or separated with fin.
2. device according to claim 1, it is characterised in that the bimetal plate bracket is by two kinds
The metal of above difference linear expansion rate, and/or, the composite construction that metal alloy is overlapped into；
The metal alloy includes：Manganin manganin alloy, dilval.
3. device according to claim 1, it is characterised in that the shape of the bimetal plate bracket
Including：It is U-shaped, or, yi word pattern.
4. device according to claim 1, it is characterised in that the bimetal plate bracket and temperature-sensitive
Sense part is connected by screw bolts；By adjustment bolt, adjust between the heat-sensitive component and the fin
Distance.
5. device according to claim 1, it is characterised in that the fin is adopted with the housing
Use unitary metallic structure, or, Split type structure.
6. device according to claim 5, it is characterised in that the housing of the Split type structure is used
Hot non-conductor conductor material, or, metal material are made.
7. device according to claim 6, it is characterised in that the hot non-conductor material bag
Include：Plastics；The metal material includes：Aluminium, copper.
8. the device according to claim 6 or 7, it is characterised in that use mirror in the enclosure interior
Face coating, and in enclosure interior filling with insulation material.
9. the device according to any one of claim 1 to 7, it is characterised in that the heat-sensitive component
Metal gasket is additionally provided with the surface of the fin cooling surface contacts.
10. device according to claim 9, it is characterised in that the metal gasket surface is additionally provided with
Heat conductive pad.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024434.4A CN106973543A (en) | 2016-01-14 | 2016-01-14 | One kind self-regulation high-low temperature protective device |
| PCT/CN2016/095552 WO2017121111A1 (en) | 2016-01-14 | 2016-08-16 | Self-regulating high and low temperature protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024434.4A CN106973543A (en) | 2016-01-14 | 2016-01-14 | One kind self-regulation high-low temperature protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106973543A true CN106973543A (en) | 2017-07-21 |
Family
ID=59310712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610024434.4A Withdrawn CN106973543A (en) | 2016-01-14 | 2016-01-14 | One kind self-regulation high-low temperature protective device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106973543A (en) |
| WO (1) | WO2017121111A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378250A (en) * | 2018-10-26 | 2019-02-22 | 佛山市欧电器制造厂有限公司 | A kind of band PTC power-off restoration temperature control device shell of good heat dissipation |
| CN112636163A (en) * | 2020-10-09 | 2021-04-09 | 金雷 | Temperature control device of electronic device |
| CN112902436A (en) * | 2021-01-21 | 2021-06-04 | 哈尔滨工业大学 | Intelligent thermal protector with heat flow concentration and rotation conversion functions |
| CN115720891A (en) * | 2022-12-21 | 2023-03-03 | 温州市大瓯电器有限公司 | Assembled heating element and electric heating mosquito killer |
| CN116113193A (en) * | 2023-03-29 | 2023-05-12 | 北京理工大学 | Bimetallic strip type self-adaptive temperature thermal management structure |
| CN116113193B (en) * | 2023-03-29 | 2024-05-31 | 北京理工大学 | Bimetallic strip type self-adaptive temperature thermal management structure |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108207097B (en) * | 2018-02-09 | 2022-04-29 | 中兴通讯股份有限公司 | Heat insulation device and electronic product |
| CN110072359B (en) * | 2019-05-23 | 2024-02-09 | 四川省众望科希盟科技有限公司 | Heat preservation and heat dissipation device for sealed cabin |
| US11388812B1 (en) * | 2020-12-22 | 2022-07-12 | Hamilton Sundstrand Corporation | Thermal active heat sink |
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| CN1239399A (en) * | 1998-06-17 | 1999-12-22 | 日本电气株式会社 | Housing suitable for outdoor-installation |
| US20030081385A1 (en) * | 2001-10-26 | 2003-05-01 | Fujikura Ltd | Heat radiating structure for electronic device |
| CN102594289A (en) * | 2012-01-31 | 2012-07-18 | 华为终端有限公司 | Heat-sensitive device and heat radiating system thereof |
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| CN202616139U (en) * | 2012-06-26 | 2012-12-19 | 惠州电道科技股份有限公司 | Overload protection device |
| CN202931574U (en) * | 2012-10-22 | 2013-05-08 | 九阳股份有限公司 | Dry burning-resistant thick membrane heating device and thick membrane heating kettle |
| CN103429051A (en) * | 2012-05-22 | 2013-12-04 | 波音公司 | Heat dissipation switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04186869A (en) * | 1990-11-21 | 1992-07-03 | Denki Kagaku Kogyo Kk | Metal plate base circuit board |
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- 2016-01-14 CN CN201610024434.4A patent/CN106973543A/en not_active Withdrawn
- 2016-08-16 WO PCT/CN2016/095552 patent/WO2017121111A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060925A (en) * | 1990-10-19 | 1992-05-06 | 美国电话电报公司 | The self-regulation heat abstractor of very lagre scale integrated circuit (VLSIC) assembly |
| CN1239399A (en) * | 1998-06-17 | 1999-12-22 | 日本电气株式会社 | Housing suitable for outdoor-installation |
| US20030081385A1 (en) * | 2001-10-26 | 2003-05-01 | Fujikura Ltd | Heat radiating structure for electronic device |
| CN102655728A (en) * | 2011-03-01 | 2012-09-05 | 联想(北京)有限公司 | Heat radiation control device, electronic device and heat radiation control method |
| CN102594289A (en) * | 2012-01-31 | 2012-07-18 | 华为终端有限公司 | Heat-sensitive device and heat radiating system thereof |
| CN103429051A (en) * | 2012-05-22 | 2013-12-04 | 波音公司 | Heat dissipation switch |
| CN202616139U (en) * | 2012-06-26 | 2012-12-19 | 惠州电道科技股份有限公司 | Overload protection device |
| CN202931574U (en) * | 2012-10-22 | 2013-05-08 | 九阳股份有限公司 | Dry burning-resistant thick membrane heating device and thick membrane heating kettle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378250A (en) * | 2018-10-26 | 2019-02-22 | 佛山市欧电器制造厂有限公司 | A kind of band PTC power-off restoration temperature control device shell of good heat dissipation |
| CN112636163A (en) * | 2020-10-09 | 2021-04-09 | 金雷 | Temperature control device of electronic device |
| CN112902436A (en) * | 2021-01-21 | 2021-06-04 | 哈尔滨工业大学 | Intelligent thermal protector with heat flow concentration and rotation conversion functions |
| CN115720891A (en) * | 2022-12-21 | 2023-03-03 | 温州市大瓯电器有限公司 | Assembled heating element and electric heating mosquito killer |
| CN116113193A (en) * | 2023-03-29 | 2023-05-12 | 北京理工大学 | Bimetallic strip type self-adaptive temperature thermal management structure |
| CN116113193B (en) * | 2023-03-29 | 2024-05-31 | 北京理工大学 | Bimetallic strip type self-adaptive temperature thermal management structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017121111A1 (en) | 2017-07-20 |
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Application publication date: 20170721 |
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| WW01 | Invention patent application withdrawn after publication |