CN111963641A - SMA spring temperature difference driving heat dissipation device - Google Patents
SMA spring temperature difference driving heat dissipation device Download PDFInfo
- Publication number
- CN111963641A CN111963641A CN202010711403.2A CN202010711403A CN111963641A CN 111963641 A CN111963641 A CN 111963641A CN 202010711403 A CN202010711403 A CN 202010711403A CN 111963641 A CN111963641 A CN 111963641A
- Authority
- CN
- China
- Prior art keywords
- chain
- heat dissipation
- chain wheel
- sma spring
- small
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/065—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with a plurality of driving or driven shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/041—Wound springs with means for modifying the spring characteristics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/06—Wound springs with turns lying in cylindrical surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
- F16G13/07—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links the links being of identical shape, e.g. cranked
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/18—Chains having special overall characteristics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
- F16G15/12—Chain links
-
- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses an SMA spring temperature difference driving heat dissipation device, which comprises a shell, and a chain transmission mechanism, a gear transmission mechanism and a heat dissipation fan which are arranged on the shell; the chain comprises a large chain wheel, a small chain wheel and a chain for connecting the large chain wheel and the small chain wheel; the chain is formed by connecting chain links in series in a hinge pair mode, each outer chain link comprises a pair of parallel outer chain plates, a pair of parallel inner chain plates, a roller and a pin shaft, two ends of each inner chain plate and two ends of each outer chain plate are oppositely provided with a hole and a strip-shaped groove respectively, and every two adjacent inner chain plates and two adjacent outer chain plates are overlapped in a staggered mode, so that the holes or the strip-shaped grooves of the inner chain plates and the outer chain plates are aligned; the hinge pins are inserted in the superposed holes or the strip-shaped grooves, two ends of the hinge pins extend outwards, and SMA springs are fixedly connected between the two hinge pins on the same outer chain plate. The SMA spring driven heat dissipation device can be combined with the chain in a transmission mode through the SMA spring to convert heat energy into mechanical energy and drive the heat dissipation fan to rotate.
Description
Technical Field
The invention relates to the technical field of energy conservation and emission reduction of mechanical components, in particular to a Shape Memory Alloy (SMA) spring temperature difference driving heat dissipation device.
Background
The living and production of human beings are the main ways of energy consumption, and with the acceleration of the industrialization process, the waste gas and waste liquid generated in the production and living process of people are multiplied. At present, the technology for recycling domestic high-temperature waste heat resources is relatively mature, but the utilization rate of medium-low temperature waste heat is only about 30%, and the recycling is relatively difficult. Over 70 percent of low-temperature waste heat which is difficult to utilize often exists in computers, induction cookers, refrigerators and other large-scale domestic electrical appliances, and the waste heat resources can not be properly utilized and can cause certain damage to most of electrical appliances and electronic products in the market. According to the research data, electronic components such as a CPU, a transistor, a resistor, a capacitor, and the like are greatly affected by the ambient temperature during operation, and in order to dissipate heat of these electronic products, an additional power supply is required to supply power to the heat dissipation device, which increases the cost.
The shape memory alloy has shape memory effect, and in the case of a spring made of memory alloy, the spring is put in hot water, the length of the spring is immediately stretched, and then the spring is put in cold water, and the spring can be immediately restored.
Disclosure of Invention
The invention aims to provide an SMA spring temperature difference driving heat dissipation device to solve the problems that low-temperature waste heat on electrical equipment in the prior art is directly discharged, an electronic product is damaged, and energy is wasted.
In order to achieve the technical purpose, the technical scheme of the invention comprises an SMA spring temperature difference driving heat dissipation device, which comprises a shell, and a chain transmission mechanism and a heat dissipation fan which are arranged on the shell, wherein the chain transmission mechanism drives the heat dissipation fan to rotate in a transmission manner;
the chain transmission mechanism comprises a first rotating shaft, a second rotating shaft, a large chain wheel, a small chain wheel and a chain for connecting the large chain wheel and the small chain wheel; one end of each of the first rotating shaft and the second rotating shaft is fixed on the shell, the large chain wheel and the small chain wheel are respectively fixed on the first rotating shaft and the second rotating shaft, and the bottom of the small chain wheel is close to a heat source;
the chain is formed by connecting a plurality of chain links in series in a hinge pair mode, each chain link comprises a pair of parallel outer chain plates, a pair of parallel inner chain plates, a roller and a pin shaft, two ends of each inner chain plate and two ends of each outer chain plate are oppositely provided with a hole and a strip-shaped groove respectively, and every two adjacent inner chain plates and two adjacent outer chain plates are overlapped in a staggered mode, so that the holes or the strip-shaped grooves of the inner chain plates and the outer chain plates are aligned; the pin shaft is inserted into the overlapped holes or the strip-shaped grooves, two ends of the pin shaft extend outwards, and the roller is sleeved on the pin shaft and is positioned between the pair of inner chain plates; the SMA springs are fixedly connected between the end parts of the two pin shafts on the same outer chain plate.
Furthermore, the other ends of the first rotating shaft and the second rotating shaft are fixedly provided with a synchronizing wheel, and the synchronizing wheels are connected through a synchronous belt in a transmission mode.
The chain transmission mechanism drives the heat dissipation fan to dissipate heat through transmission of the gear transmission mechanism; the gear transmission mechanism comprises a third rotating shaft, a large gear and a small gear, one end of the third rotating shaft is fixed on the shell, the other end of the third rotating shaft is fixedly connected with a fan blade shaft of the cooling fan, the small gear is fixed on the third rotating shaft, and the large gear is meshed with the small gear. Further, the first rotating shaft, the second rotating shaft and the third rotating shaft are all fixedly mounted on the shell through bearings.
Further, the SMA spring is a shape memory alloy spring, and the shape memory alloy is Ni-Ti alloy.
Further, the large chain wheel and the small chain wheel are both made of industrial nylon materials.
Further, the pitch of the large chain wheel is 1.5 times that of the small chain wheel, and the chain and the small chain wheel are alternately meshed by single teeth and double teeth.
Further, the pitch of the large chain wheel is 19.05mm, the pitch of the small chain wheel is 12.7mm, the minimum center distance between the hole of the inner chain plate and the strip-shaped groove is 19.5mm, the maximum center distance between the hole of the outer chain plate and the strip-shaped groove is 19.5mm, and the center distance of the strip-shaped groove is 6.35 mm.
Further, the chain is arranged by inclining upwards at an angle of 45-50 degrees.
Further, the transmission ratio between the large chain wheel and the small chain wheel is 3: 2.
Compared with the prior art, the invention has the beneficial effects that:
1. the pitch of the chain of the SMA spring temperature difference driving heat dissipation device provided by the invention can be automatically adjusted along with the change of the length of the SMA spring, so that the free stretching of the memory alloy wire during working is ensured, and the smooth operation of the device is realized.
2. According to the SMA spring temperature difference driving heat dissipation device, the characteristic that the pulling force generated by the memory alloy spring changes along with the temperature change is utilized, the function of generating different heat dissipation effects at different temperatures is realized, and the effect of intelligent regulation without power is achieved.
3. According to the SMA spring temperature difference driving heat dissipation device, the SMA spring is combined with the chain wheel structure design, so that heat energy is converted into mechanical energy, and the recycling of medium-low temperature waste heat is realized.
Drawings
FIG. 1 is an external view of an SMA spring temperature differential driven heat sink provided by the present invention;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a mechanism schematic of the chain drive mechanism of FIG. 2;
FIG. 4 is a schematic structural diagram of a chain part at the bottom of a small chain wheel contracted by heating of an SMA spring;
FIG. 5 is a schematic structural view of an outer link plate;
FIG. 6 is a schematic structural view of an outer link plate;
1-shell, 2-first rotating shaft, 3-second rotating shaft, 4-large chain wheel, 5-small chain wheel, 6-synchronous wheel, 7-synchronous belt, 8-SMA spring and 9-outer chain plate; 10-inner chain plate, 11-one-way bearing, 12-big gear, 13-small chain wheel, 14-cooling fan, 15-pin shaft, 16-roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the present embodiment provides an SMA spring temperature difference driving heat dissipation apparatus, which includes a housing 1, and a chain transmission mechanism, a gear transmission mechanism and a heat dissipation fan 14 mounted on the housing 1, where the chain transmission mechanism is used as a driving apparatus to drive the heat dissipation fan 14 to rotate through the transmission of the gear transmission mechanism.
The chain transmission mechanism comprises a first rotating shaft 2, a second rotating shaft 3, a large chain wheel 4, a small chain wheel 5 and a chain for connecting the large chain wheel 4 and the small chain wheel 5. One ends of the first rotating shaft 2 and the second rotating shaft 3 are fixed on the shell 1 through bearings, the large chain wheel 4 and the small chain wheel 5 are fixed on the first rotating shaft 2 and the second rotating shaft 3 respectively, the large chain wheel 4 is located above the small chain wheel 5 in an inclined mode, and the bottom of the small chain wheel is close to a heat source. The chain inclines upwards, and preferably the chain inclines upwards at an angle of 45-50 degrees.
The chain is formed by connecting a plurality of chain links in series in a hinge pair mode, and every the chain link all includes a pair of parallel outer chain plate 9, a pair of parallel inner chain plate 10, roller 16 and round pin axle 15, a hole and bar groove have all been seted up respectively to the both ends of inner chain plate 10 and outer chain plate 9 on the contrary, and the bar groove has been seted up to the left end of inner chain plate 10 promptly, and the right-hand member is seted up porosely, and the left end of outer chain plate 9 is seted up porosely, and the bar groove has been seted up to the. And two adjacent inner chain plates 10 and two adjacent outer chain plates 9 are overlapped in a staggered manner, so that the holes or strip-shaped grooves of the inner chain plates 10 and the outer chain plates 9 are aligned. The pin shaft 15 is inserted into the overlapped holes or the strip-shaped grooves, two ends of the pin shaft extend outwards, and the roller 16 is sleeved on the pin shaft 15 and is positioned between the pair of inner chain plates 10; the SMA springs 8 are fixedly connected between the end parts of the two pin shafts 15 on the same outer chain plate 9.
Wherein in order to improve SMA spring 8's fixed effect, avoid SMA spring 8 pine to take off, every the both ends of round pin axle 15 all are equipped with a protruding cap, are used for right 8 tip of SMA spring block.
The pitch of the large chain wheel 4 is 1.5 times that of the small chain wheel 5, preferably, the pitch of the large chain wheel 4 is 19.05mm, the pitch of the small chain wheel 5 is 12.7mm, and the chain and the small chain wheel are alternately meshed by single teeth and double teeth.
The length of the inner chain plate 10 is greater than that of the outer chain plate 9, preferably, the minimum center distance L between the hole of the inner chain plate 10 and the strip-shaped groove is 19.5mm, the maximum center distance L between the hole of the outer chain plate 9 and the strip-shaped groove is 19.5mm, and the center distance of the strip-shaped groove is 6.35 mm.
In the heat abstractor working process, at initial condition, when normal atmospheric temperature state promptly, the chain with one end with mesh between the big sprocket 4, the other end with for single bidentate meshing in turn between the little sprocket 5, SMA spring 8 on the chain of little sprocket 5 bottom is close to the source that generates heat, because the variable property of memory alloy spring 8 coefficient of stiffness possesses the temperature, can make memory alloy spring 8 coefficient of stiffness change by 0 when normal atmospheric temperature, thereby make memory alloy spring shrink, consequently, when the source that generates heat, memory alloy spring 8 produces the shrink because the temperature difference and makes roller move in the bar inslot in the chain, thereby make the minimum pitch of chain become 12.7mm, the maximum pitch becomes 23.4mm, and alternate arrangement. The small chain wheel 5 generates torque higher than the large chain wheel 4 by the tensile force generated by the contraction of the memory alloy spring, so that the transmission of a chain transmission mechanism is realized, and the transmission of the chain transmission mechanism drives the transmission of the gear transmission mechanism and drives the fan heat dissipation 14 to rotate. At the moment, the pitch of the chain on the large chain wheel 4 is not changed and still remains at 19.05mm, the chain on the small chain wheel and the small chain wheel 5 are in single-double-tooth alternate meshing in a normal meshing state, the part of the chain at the bottom of the small chain wheel 5 which is about to enter the meshing state with the small chain wheel generates a pulling force effect on the small chain wheel 5 under the action of the memory alloy spring, so that the small chain wheel 5 is driven to rotate clockwise, the large chain wheel 4 is driven to rotate through the transmission of the chain, and the large chain wheel 4 rotates to drive the heat dissipation fan 14 to dissipate heat through the transmission belt of the gear transmission structure. In the heat dissipation working process, the higher the heat source temperature is, the faster the spring stiffness coefficient rises, so that the torque is larger, and the fan rotates faster.
Because single-tooth and double-tooth alternate meshing is adopted between the small chain wheel 5 and the chain link, the transmission ratio is unstable, so that in order to stabilize the transmission ratio, the end parts of the first rotating shaft 2 and the second rotating shaft 3 are fixedly provided with a synchronous wheel 6, and the synchronous wheels 6 are in transmission connection through a synchronous belt 7.
The gear transmission mechanism comprises a third rotating shaft, a large gear 12 and a small gear 13, one end of the third rotating shaft is fixed on the shell 1, the other end of the third rotating shaft is fixedly connected with a fan blade shaft of the heat dissipation fan 14, the small gear 13 is fixed on the third rotating shaft, and the large gear 12 is meshed with the small gear 13.
When big sprocket 12 is in when taking place to rotate under the chain drive's the effect, drive first axis of rotation 2 and rotate, first axis of rotation 2 rotates and drives gear wheel 12 rotates, gear wheel 12 with pinion 13 meshes, therefore gear wheel 12 rotates and moves greatly pinion 13 rotates, thereby drives third axis of rotation and radiator fan 14 rotate the heat dissipation.
Wherein, the gear ratio of the big gear 12 and the small gear 13 is preferably 3: 2.
Wherein, in order to reduce the abrasion of the gear and the chain wheel caused by the external dust, the chain transmission mechanism and the gear transmission mechanism are preferably arranged inside the shell 1, and the heat radiation fan 14 is positioned outside the shell 1.
In order to improve the deformation effect of the SMA spring 8 and improve the wear resistance thereof, the SMA spring 8 is a shape memory alloy spring, and the shape memory alloy is Ni-Ti alloy.
In order to reduce the cost and the noise generated in the transmission process, the large chain wheel 12 and the small chain wheel 13 are both made of industrial nylon materials.
According to the SMA spring temperature difference driving heat dissipation device, the SMA spring is combined with the chain wheel structure, so that heat energy is converted into mechanical energy, recycling of medium-low temperature waste heat is achieved, and meanwhile cost is saved.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A temperature difference driving heat dissipation device of an SMA spring is characterized by comprising a shell, a chain transmission mechanism and a heat dissipation fan, wherein the chain transmission mechanism and the heat dissipation fan are installed on the shell;
the chain transmission mechanism comprises a first rotating shaft, a second rotating shaft, a large chain wheel, a small chain wheel and a chain for connecting the large chain wheel and the small chain wheel; one end of each of the first rotating shaft and the second rotating shaft is fixed on the shell, the large chain wheel and the small chain wheel are respectively fixed on the first rotating shaft and the second rotating shaft, the bottom of the small chain wheel is close to a heat source, and the large chain wheel is positioned above the small chain wheel in an inclined manner;
the chain is formed by connecting a plurality of chain links in series in a hinge pair mode, each chain link comprises a pair of parallel outer chain plates, a pair of parallel inner chain plates, a roller and a pin shaft, two ends of each inner chain plate and two ends of each outer chain plate are oppositely provided with a hole and a strip-shaped groove respectively, and every two adjacent inner chain plates and two adjacent outer chain plates are overlapped in a staggered mode, so that the holes or the strip-shaped grooves of the inner chain plates and the outer chain plates are aligned; the pin shaft is inserted into the superposed holes or the strip-shaped grooves, and two ends of the pin shaft extend outwards; the roller is sleeved on the pin shaft and is positioned between the pair of inner chain plates; the SMA springs are fixedly connected between the end parts of the two pin shafts on the same outer chain plate.
2. The SMA spring temperature difference driving heat dissipation device of claim 1, wherein one synchronizing wheel is fixedly mounted at the other end of each of the first rotating shaft and the second rotating shaft, and the synchronizing wheels are connected through a synchronous belt drive.
3. The SMA spring temperature difference driven heat dissipation device of claim 1, further comprising a gear transmission mechanism, wherein the chain transmission mechanism drives the heat dissipation fan to dissipate heat through transmission of the gear transmission mechanism, the gear transmission mechanism comprises a third rotation shaft, a gearwheel and a pinion, one end of the third rotation shaft is fixed on the housing, the other end of the third rotation shaft is fixedly connected with a fan blade shaft of the heat dissipation fan, the pinion is fixed on the third rotation shaft, and the gearwheel is meshed with the pinion.
4. The SMA spring differential temperature driven heat sink of claim 3, wherein the first, second, and third rotational shafts are each fixedly mounted to the housing by bearings.
5. The SMA spring temperature differential drive heat dissipation device of claim 1, wherein the SMA spring is a shape memory alloy spring, the shape memory alloy being a Ni-Ti alloy.
6. The SMA spring temperature difference driven heat sink of claim 1, wherein the large and small sprockets are both made of an industrial nylon material.
7. The SMA spring temperature difference driven heat sink device according to claim 1, wherein the pitch of the large chain wheel is 1.5 times that of the small chain wheel, and the chain and the small chain wheel are alternately engaged by single and double teeth.
8. The SMA spring temperature difference driving heat sink device according to claim 7, wherein the pitch of the large chain wheel is 19.05mm, the pitch of the small chain wheel is 12.7mm, the minimum center distance between the hole of the inner chain plate and the strip-shaped groove is 19.5mm, the maximum center distance between the hole of the outer chain plate and the strip-shaped groove is 19.5mm, and the center distance between the strip-shaped grooves is 6.35 mm.
9. The SMA spring temperature difference driven heat sink of claim 1, wherein the chain is angled upward at an angle of 45 ° to 50 °.
10. The SMA spring temperature differential drive heat dissipation device of claim 2, wherein the transmission ratio between the large sprocket and the small sprocket is 3: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711403.2A CN111963641A (en) | 2020-07-22 | 2020-07-22 | SMA spring temperature difference driving heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711403.2A CN111963641A (en) | 2020-07-22 | 2020-07-22 | SMA spring temperature difference driving heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963641A true CN111963641A (en) | 2020-11-20 |
Family
ID=73362460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010711403.2A Pending CN111963641A (en) | 2020-07-22 | 2020-07-22 | SMA spring temperature difference driving heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111963641A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635188A (en) * | 2021-10-15 | 2021-11-12 | 徐州东坤耐磨材料有限公司 | Passive heat dissipation is from fixed ore surface appearance of polishing of discernment laminating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324228A (en) * | 2008-07-18 | 2008-12-17 | 哈尔滨工程大学 | Creeping type mini pump based on shape memory alloy drive |
| CN102650275A (en) * | 2011-02-28 | 2012-08-29 | 通用汽车环球科技运作有限责任公司 | Shape memory alloy heat engines and energy harvesting systems |
| GB2558618A (en) * | 2017-01-10 | 2018-07-18 | Kostov Mihail | Bistable valve actuator |
| CN109322808A (en) * | 2018-10-24 | 2019-02-12 | 浙江大学 | A kind of high energy efficiency, the memorial alloy drive system of high frequency sound |
| CN110985320A (en) * | 2019-12-24 | 2020-04-10 | 武汉理工大学 | Novel waste heat and waste heat utilization device based on shape memory alloy |
-
2020
- 2020-07-22 CN CN202010711403.2A patent/CN111963641A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324228A (en) * | 2008-07-18 | 2008-12-17 | 哈尔滨工程大学 | Creeping type mini pump based on shape memory alloy drive |
| CN102650275A (en) * | 2011-02-28 | 2012-08-29 | 通用汽车环球科技运作有限责任公司 | Shape memory alloy heat engines and energy harvesting systems |
| GB2558618A (en) * | 2017-01-10 | 2018-07-18 | Kostov Mihail | Bistable valve actuator |
| CN109322808A (en) * | 2018-10-24 | 2019-02-12 | 浙江大学 | A kind of high energy efficiency, the memorial alloy drive system of high frequency sound |
| CN110985320A (en) * | 2019-12-24 | 2020-04-10 | 武汉理工大学 | Novel waste heat and waste heat utilization device based on shape memory alloy |
Non-Patent Citations (1)
| Title |
|---|
| 彭渝程: "基于形状记忆合金的无电力智能散热装置", 《节能》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635188A (en) * | 2021-10-15 | 2021-11-12 | 徐州东坤耐磨材料有限公司 | Passive heat dissipation is from fixed ore surface appearance of polishing of discernment laminating |
| CN113635188B (en) * | 2021-10-15 | 2022-02-22 | 徐州东坤耐磨材料有限公司 | Passive heat dissipation is from fixed ore surface appearance of polishing of discernment laminating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111963641A (en) | SMA spring temperature difference driving heat dissipation device | |
| ITTO20060296A1 (en) | ECOLOGICAL ENERGY ENERGY PRODUCTION SYSTEM | |
| CN208424117U (en) | A kind of generator heat-radiation protective device | |
| CN208074113U (en) | A kind of push-and-pull transmission circulation rotating power generator | |
| CN213020539U (en) | Drying device for polyester fiber | |
| TW201632724A (en) | Power supply device | |
| CN112097554A (en) | Device for assisting heat dissipation of heat pipe radiator | |
| CN109920905A (en) | A kind of double segment type thermoelectric material devices | |
| CN216009410U (en) | Bilateral single strand workstation | |
| CN208138443U (en) | Gear-box heat to electricity conversion structure and the active energy-saving gear case of passive self-powered | |
| CN203474858U (en) | Heat treatment device for austenitic stainless steel pipes | |
| CN207334551U (en) | A kind of radiator for LED light | |
| CN201221476Y (en) | Wind power exhaust fan | |
| CN208817571U (en) | A kind of energy-saving electrical heating | |
| CN207518430U (en) | A kind of motor with heat sinking function | |
| CN211287339U (en) | Metal door | |
| CN211953550U (en) | Double-input double-shaft paddle dryer | |
| CN205331022U (en) | Air cooling island drive arrangement for fan | |
| CN206376982U (en) | A kind of torque limiter of driving chain of wind generating set | |
| CN204322670U (en) | A kind of PVC film is heated laminating cooling device | |
| CN110388442A (en) | Gear-box heat to electricity conversion structure and the active energy-saving gear case of passive self-powered | |
| CN212242948U (en) | Blade opening and closing transmission device for automobile active air inlet grille | |
| CN217874007U (en) | Planetary cycloidal pin gear speed reducer | |
| CN103352787A (en) | Rotary device based on chain transmission and driven by shape memory effect | |
| CN211175308U (en) | Speed reducer with heat abstractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201120 |
|
| RJ01 | Rejection of invention patent application after publication |