CN110718517B - Heat dissipation device and heat dissipation method for small alternating-current electrical component - Google Patents
Heat dissipation device and heat dissipation method for small alternating-current electrical component Download PDFInfo
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- CN110718517B CN110718517B CN201911174211.6A CN201911174211A CN110718517B CN 110718517 B CN110718517 B CN 110718517B CN 201911174211 A CN201911174211 A CN 201911174211A CN 110718517 B CN110718517 B CN 110718517B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
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Abstract
The invention discloses a heat dissipation device and a heat dissipation method for a small alternating current electrical component. When current flows in the forward direction, the conductive block is electrified to move upwards under the action of the permanent magnet magnetic field, the air bag is extruded through the adjusting rod, the inserting rod and the pressing block, the air bag completes air spitting, air flow is formed through the air bag, heat dissipation treatment is further completed, the small electronic device at a specific position can be subjected to targeted heat dissipation through the guide mechanism, when the current flows in the reverse direction, the conductive block moves downwards under the action of the permanent magnet magnetic field, the air bag is loosened through the adjusting rod, the inserting rod and the pressing block, air can enter the air bag, preparation is conducted for next air spitting, and the fact that the air bag is recycled and continuous heat dissipation is guaranteed.
Description
The invention relates to a divisional application of a heat dissipation device for a small alternating current electric appliance element, which is applied for 2018, 07, 18 and CN 201810791195.4.
Technical Field
The invention relates to the technical field of heat dissipation devices, in particular to a heat dissipation device and a heat dissipation method for a small alternating-current electrical component.
Background
At present, industrial power and even household power are all alternating current, and some electronic components can generate some heat when used, so that some electronic components are damaged, so that a heat dissipation fan needs to be installed in some electric appliances to finish heat dissipation treatment, but in the actual use process of the heat dissipation fan, firstly, the alternating current cannot be used, and then the alternating current needs to be converted into direct current through a rectifier, so that the cost can be increased; in addition, the heat dissipation fan has a large volume, which causes a large package of the electronic device when being mounted, and the heat dissipation fan cannot dissipate heat for some small and specific electronic components, such as a small chip, which is not favorable for people to use.
To this end, we have devised a heat sink for small electrical components for ac power.
Disclosure of Invention
The invention aims to solve the problems that the cooling fan used by the existing electric appliance only can adopt direct current, the size of the cooling fan is large, the cooling fan is not beneficial to packaging and the use of some small electronic elements, and provides a cooling device for the small electric appliance elements of the alternating current.
In order to achieve the purpose, the invention adopts the following technical scheme:
a heat dissipation device for a small-sized alternating current electrical component comprises a first lead and a second lead, wherein an installation block is arranged between the first lead and the second lead, a cavity is arranged in the installation block, a conductive block is arranged in the cavity, two ends of the conductive block are respectively electrically connected with the first lead and the second lead, the top of the conductive block is fixedly connected with the inner top of the cavity through a plurality of telescopic rods, permanent magnets are fixedly connected with the front side and the rear side of the cavity, an installation frame is fixedly connected with the bottom of the installation block, an extension rod is fixedly connected with the bottom of the conductive block, the bottom of the extension rod penetrates through the inner bottom of the cavity and is fixedly connected with a movable block, fixed blocks are arranged on two sides of the extension rod, the fixed blocks are fixedly connected with the bottom of the installation block, an insertion rod is inserted on the fixed blocks, and one end, close to the movable block, of the insertion rod is connected with the, the both ends of adjusting the pole rotate with movable block and inserted bar respectively and are connected, the one end fixedly connected with suppression piece that the regulation pole was kept away from to the inserted bar, the inside wall fixedly connected with of installing frame and the gasbag that suppression piece position corresponds, the gasbag is close to one side of suppression piece and offsets with suppression piece, the gasbag is equipped with the end of giving vent to anger, the lateral wall of installing frame is equipped with the gas outlet that corresponds with the end of giving vent to anger, the inside wall fixedly connected with filter screen of gas outlet, the one end fixedly connected with guiding mechanism of gasbag is kept away from to the gas outlet.
Preferably, a plurality of first thread grooves are formed in the outer side walls of the mounting block and the mounting frame.
Preferably, the equal fixedly connected with mount pad of one end that movable block and inserted bar are close to the movable block, fixedly connected with pivot in the mount pad, the tip of adjusting the pole rotates to cup joint in the pivot.
Preferably, guiding mechanism includes the guide cylinder, the guide cylinder is the L type, the fixed flange that has cup jointed of one end lateral wall that the guide cylinder is close to the gas outlet, threaded connection has a plurality of bolts on the flange, the lateral wall of installing frame encircles and is equipped with a plurality of second thread grooves that correspond with the bolt, the one end fixedly connected with that the guide cylinder is close to the gas outlet corresponds with the rubber ring of gas outlet.
The invention has the beneficial effects that:
1. when the current flows in the positive direction, the conductive block is electrified to move upwards under the action of the magnetic field of the permanent magnet, and then the air bag is extruded by the adjusting rod, the inserting rod and the pressing block, so that the air bag completes air spitting, air flow is formed by the air spitting of the air bag, and then heat dissipation treatment is completed, wherein the small electronic device at a specific position can be subjected to targeted heat dissipation through the guide mechanism;
2. when current flows reversely, the conductive block moves downwards under the action of the magnetic field of the permanent magnet, so that the air bag is loosened through the adjusting rod, the inserting rod and the pressing block, air can enter the air bag, preparation is carried out for next air spitting, and the air bag is ensured to be recycled and continuously radiate heat.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation device for ac small electrical components according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic view showing the connection state between the conductive block and the permanent magnet when the current flows in the reverse direction in the heat dissipating device for AC small electrical components according to the present invention;
fig. 4 is a schematic structural view illustrating a state of heat dissipation by a guide mechanism in the heat dissipation device for ac small-sized electrical components according to the present invention;
FIG. 5 is a schematic view showing the connection state between the conductive block and the permanent magnet when the current flows in the forward direction in the heat dissipating device for the small-sized AC electrical component according to the present invention;
fig. 6 is a schematic structural view of a heat sink for ac small electrical components according to the present invention, in a state of dissipating heat horizontally through an air outlet.
In the figure: the device comprises a first lead 1, a second lead 2, a mounting block 3, a conductive block 4, a telescopic rod 5, a permanent magnet 6, a mounting frame 7, an extension rod 8, a movable block 9, a fixed block 10, an insertion rod 11, an adjusting rod 12, a pressing block 13, an air bag 14, an air outlet 15, a filter screen 16, a guide mechanism 17, a guide cylinder 171, a flange 172, a 173 bolt, a rubber ring 174 and a first thread groove 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a heat abstractor for small-size electrical components of alternating current, including first wire 1 and second wire 2, be equipped with installation piece 3 between first wire 1 and the second wire 2, be equipped with the cavity in the installation piece 3, be equipped with conducting block 4 in the cavity, the both ends of conducting block 4 respectively with first wire 1 and 2 electric connection of second wire, the top of conducting block 4 is through the interior top fixed connection of many telescopic links 5 with the cavity, the equal fixedly connected with permanent magnet 6 in both sides around the cavity, the bottom fixedly connected with installing frame 7 of installation piece 3, the lateral wall of installation piece 3 and installing frame 7 all is equipped with a plurality of first thread grooves 18, the stable connection of some electronic component and installation piece 3 and installing frame 7 of being convenient for through the effect of first thread groove 18 like this, guarantee the stability of this device, wherein need to explain: firstly, the mounting block 3 and the mounting frame 7 are made of insulating materials, such as plastics, so that the danger of electric shock of people caused by the contact of the conductive block 4 with the mounting block 3 and the mounting frame 7 can be avoided, and the safe use of people is ensured; secondly, the two permanent magnets 6 are arranged on two sides of the conductive block 4, the installation sequence is not available, because the device adopts alternating current, the conductive block 4 can be caused to move up and down along with the change of current, because the device is acted by ampere force, the movement direction can be determined by the left hand, the conductive block 4 not only plays a role of diversion, but also can move up and down under the action of ampere force in a magnetic field, and further the heat dissipation treatment is convenient to realize, thirdly, the telescopic rod 5 is made of insulating high-temperature-resistant materials, such as polyimide, the damage of the telescopic rod 5 is avoided, namely, the problem that the telescopic rod 5 is damaged because the telescopic rod 5 conducts the current and the conductive block 4 generates certain temperature when passing the current is avoided, wherein the telescopic rod 5 is used for ensuring that the conductive block 4 can stably move up and down, Four, wherein ampere power F BIL, then people can be through the magnetic induction intensity B who adjusts electric current I, permanent magnet 5 and the effective length L of conducting block 4 in the magnetic field and adjust the size of ampere power to make the up-and-down motion that the movable block can be stable, and then have sufficient driving force, can guarantee like this after the heat dissipation handles.
Wherein, the bottom fixedly connected with extension rod 8 of conducting block 4, it is to explain: what extension rod 8 adopted is the material the same with telescopic link 5, and its effect is the same to avoid the electric current to derive and probably appear the high temperature and lead to the damage of extension rod 8, and interior bottom and the fixedly connected with movable block 9 of cavity are run through to the bottom of extension rod 8, and the up-and-down motion through conducting block 4 like this drives the up-and-down motion of movable block 9 through extension rod 8 to heat dissipation after guaranteeing is handled.
Wherein, both sides of the extension rod 8 are provided with fixed blocks 10, the fixed blocks 10 are fixedly connected with the bottom of the mounting block 3, the fixed blocks 10 are inserted with insertion rods 11, one ends of the insertion rods 11 close to the movable block 9 are connected with the outer side wall of the movable block 9 through adjusting rods 12, both ends of the adjusting rods 12 are respectively rotatably connected with the movable block 9 and the insertion rods 11, one ends of the movable block 9 and the insertion rods 11 close to the movable block 9 are both fixedly connected with mounting seats, rotating shafts are fixedly connected in the mounting seats, the ends of the adjusting rods 12 are rotatably sleeved on the rotating shafts, so that the adjusting rod 12 is rotatably connected with the movable block 9 and the inserting rod 11, the conductive block 4 moves up and down under the action of ampere force, the movable block 9 is driven to move up and down, further, the adjusting rod 12 moves the plunger 11 forward and backward, so that the problem of heat dissipation can be solved by the forward and backward movement of the plunger 11.
Wherein, one end of the inserted link 11 far away from the adjusting rod 12 is fixedly connected with a press block 13, the inner side wall of the mounting frame 7 is fixedly connected with an air bag 14 corresponding to the press block 13, one side of the air bag 14 near the press block 13 is abutted against the press block 13, the air bag 14 is provided with an air outlet end, the side wall of the mounting frame 7 is provided with an air outlet 15 corresponding to the air outlet end, the inner side wall of the air outlet 15 is fixedly connected with a filter screen 16, one end of the air outlet 15 far away from the air bag 14 is fixedly connected with a guide mechanism 17, the guide mechanism 17 comprises a guide cylinder 171, the guide cylinder 171 is in an L shape, the outer side wall of one end of the guide cylinder 171 near the air outlet 15 is fixedly sleeved with a flange 172, the flange 172 is in threaded connection with a plurality of bolts 173, the outer side wall of the mounting frame 7 is provided with a plurality of second threaded, in this way, the heat dissipation process can be performed on a specific electronic device by the action of the guide mechanism 17, and it should be noted that: firstly, the cleanness of the air bag 14 can be ensured through the action of the filter screen 16; secondly, the air bag 14 can be made of a material with good restorability, such as a rubber material, so that the air bag has good restorability, when the movable block 9 moves downwards, the pressing block 13 moves backwards, the pressing block is separated from the air bag 14, the air bag 14 is made of the restorability material, so that the air bag 14 can automatically recover, and outside air can be sucked into the air bag in the recovery process of the air bag, when the movable block 9 moves upwards, the pressing block 13 moves forwards through the adjusting rod 12 and the inserting rod 11, so that the air bag 14 is extruded, the air bag 14 is compressed in the extrusion process, so that the compressed air bag 14 can eject the air in the air bag 14 outwards to drive the outside air to flow, and further, the heat dissipation treatment is performed on a specific position through the guide mechanism 17, wherein the process of the heat dissipation treatment of the air bag 14 is just like that people breathe and eject air to drive the air to flow to dissipate heat, in addition, when the device is powered on, the pressing plate 13 moves backwards due to the restorability of the air bag 14, and the movable block 9 and the extension rod 8 are driven by the reaction of the pressing plate 13 to restore the conductive block 4 to the initial position, so that the next use is ensured; thirdly, the specific electronic device is subjected to heat dissipation treatment through the installation and disassembly guide mechanism 17, namely, the position adjustment of the air outlet is adjusted through the cooperation of the air outlet 15 and the guide cylinder 171.
In the invention, a first lead 1 and a second lead 2 are connected to a specific electric appliance or electronic component, namely, the stability of a mounting block 3 is ensured through a first thread groove 18, then a power supply is connected, when current flows in a positive direction, referring to fig. 4 and 5, the current flows into the first lead 1 through a conductive block 4, so that the conductive block 4 moves upwards under the action of ampere force, which can be judged according to the left-hand rule, when the conductive block 4 moves upwards, a movable block 9 is driven to move upwards through an extension rod 8, a pressing block 13 moves forwards through the action of an adjusting rod 12 and an inserting rod 11, so that an air bag 14 is extruded, when the air bag 14 is extruded, the air bag 14 can be blown outwards, at the moment, people can radiate heat of upper and lower electronic devices of the mounting block 3 through an adjusting guide cylinder 171, namely, after the position of the guide cylinder 171 is adjusted, the bolt 173 is tightened to ensure the stability of the guide cylinder 171, and the rubber ring 174 is used to ensure the sealing connection between the air outlet 15 and the guide cylinder 171, so that when the two sides of the electronic device are required to be cooled, the bolt 173 can be unscrewed to remove the guide cylinder 171, thereby facilitating the cooling of the electronic device on the two sides through the air outlet 15, and the cooling of the electronic device on the two sides can be referred to fig. 6.
When the current flows in the reverse direction, referring to fig. 1 and 3, the conductive block 4 moves downward under the action of the permanent magnet 6, and it can be determined according to the left-hand rule, when the conductive block 4 moves downward, the movable block 9 is driven to move downward, so that the movable block moves backward through the adjusting rod 12 and the inserting rod 11, and the air bag 14 is removed from the pressing, the air bag automatically recovers, the air bag 14 is filled with new gas along with the recovery of the air bag 14, so that the air bag 14 is inflated when the air bag 14 is pressed next time, and the electronic device at a specific position is subjected to heat dissipation treatment through the guidance of the guide cylinder 171.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a heat abstractor for small-size electrical components of alternating current, includes first wire (1) and second wire (2), its characterized in that, be equipped with installation piece (3) between first wire (1) and second wire (2), be equipped with the cavity in installation piece (3), be equipped with conducting block (4) in the cavity, the both ends of conducting block (4) respectively with first wire (1) and second wire (2) electric connection, the top of conducting block (4) is through many telescopic links (5) and the interior top fixed connection of cavity, both sides all fixedly connected with permanent magnet (6) around the cavity, the bottom fixedly connected with installing frame (7) of installation piece (3), the bottom fixedly connected with extension rod (8) of conducting block (4), the bottom of extension rod (8) runs through the interior bottom and the fixedly connected with movable block (9) of cavity, the two sides of the extension rod (8) are respectively provided with a fixed block (10), the fixed block (10) is fixedly connected to the bottom of the mounting block (3), an insertion rod (11) is inserted in the fixed block (10), one end, close to the movable block (9), of the insertion rod (11) is connected with the outer side wall of the movable block (9) through an adjusting rod (12), two ends of the adjusting rod (12) are respectively rotatably connected with the movable block (9) and the insertion rod (11), one end, far away from the adjusting rod (12), of the insertion rod (11) is fixedly connected with a pressing block (13), the inner side wall of the mounting frame (7) is fixedly connected with an air bag (14) corresponding to the position of the pressing block (13), one side, close to the pressing block (13), of the air bag (14) is abutted against the pressing block (13), the air bag (14) is provided with an air outlet end, the side wall of the mounting frame (7) is provided with an air, a filter screen (16) is fixedly connected to the inner side wall of the air outlet (15), and a guide mechanism (17) is fixedly connected to one end, far away from the air bag (14), of the air outlet (15); a plurality of first thread grooves (18) are formed in the outer side walls of the mounting block (3) and the mounting frame (7); the equal fixedly connected with mount pad of one end that activity piece (9) and inserted bar (11) are close to activity piece (9), fixedly connected with pivot in the mount pad, the tip of adjusting pole (12) rotates to cup joint in the pivot.
2. The heat dissipation device for alternating current small-sized electrical components is characterized in that the guide mechanism (17) comprises a guide cylinder (171), the guide cylinder (171) is L-shaped, a flange (172) is fixedly sleeved on the outer side wall of one end of the guide cylinder (171) close to the air outlet (15), a plurality of bolts (173) are connected to the flange (172) in a threaded manner, a plurality of second threaded grooves corresponding to the bolts (173) are formed in the outer side wall of the mounting frame (7) in a surrounding manner, and a rubber ring (174) corresponding to the air outlet (15) is fixedly connected to one end of the guide cylinder (171) close to the air outlet (15).
3. A heat dissipating method using the heat dissipating device for small electric components for alternating current as claimed in claim 2, characterized in that: the first lead (1) and the second lead (2) are connected to an electric appliance or an electronic element, namely, the stability of the mounting block (3) is ensured through the first thread groove (18), then a power supply is connected, when current flows in the positive direction, the current flows into the first lead (1) through the conductive block (4), so that the conductive block (4) moves upwards under the action of ampere force, the judgment can be carried out according to the left-hand rule, when the conductive block (4) moves upwards, the movable block (9) is driven to move upwards through the extension rod (8), so that the pressing block (13) moves forwards through the action of the adjusting rod (12) and the insertion rod (11), the air bag (14) is extruded, when the air bag (14) is extruded, the air bag (14) can be inflated outwards, at the moment, people can radiate the upper electronic device and the lower electronic device of the mounting block (3) through adjusting the guide cylinder (171), after the position of the guide cylinder (171) is adjusted, the bolt (173) is screwed down to ensure the stability of the guide cylinder (171), and the rubber ring (174) is used for ensuring the sealing connection between the air outlet (15) and the guide cylinder (171), so that when the two sides of the electronic device need to be radiated, the bolt (173) can be unscrewed to take down the guide cylinder (171), and the electronic device on the two sides can be conveniently radiated through the air outlet (15);
when current flows reversely, the conductive block (4) moves downwards under the action of the permanent magnet (6), and can be judged according to the left-hand rule, when the conductive block (4) moves downwards, the movable block (9) is driven to move downwards, so that the movable block moves backwards through the adjusting rod (12) and the inserting rod (11), the air bag (14) is cancelled to be pressed, the air bag automatically recovers, the air bag (14) is filled with new gas along with the recovery of the air bag (14), the air bag (14) is inflated when the air bag (14) is extruded next time, and the electronic device at a specific position is subjected to heat dissipation treatment through the guide cylinder (171).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174211.6A CN110718517B (en) | 2018-07-18 | 2018-07-18 | Heat dissipation device and heat dissipation method for small alternating-current electrical component |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174211.6A CN110718517B (en) | 2018-07-18 | 2018-07-18 | Heat dissipation device and heat dissipation method for small alternating-current electrical component |
| CN201810791195.4A CN108933114B (en) | 2018-07-18 | 2018-07-18 | Heat radiator for be used for small-size electrical components of alternating current |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810791195.4A Division CN108933114B (en) | 2018-07-18 | 2018-07-18 | Heat radiator for be used for small-size electrical components of alternating current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110718517A CN110718517A (en) | 2020-01-21 |
| CN110718517B true CN110718517B (en) | 2021-03-30 |
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| CN201911174211.6A Active CN110718517B (en) | 2018-07-18 | 2018-07-18 | Heat dissipation device and heat dissipation method for small alternating-current electrical component |
| CN201810791195.4A Active CN108933114B (en) | 2018-07-18 | 2018-07-18 | Heat radiator for be used for small-size electrical components of alternating current |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810791195.4A Active CN108933114B (en) | 2018-07-18 | 2018-07-18 | Heat radiator for be used for small-size electrical components of alternating current |
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| CN109786608A (en) * | 2019-01-29 | 2019-05-21 | 吉林工程技术师范学院 | A kind of new-energy automobile damping battery case |
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| US6232680B1 (en) * | 1999-01-13 | 2001-05-15 | Samsung Electronics Co., Ltd. | Cooling apparatus for electronic device |
| CN1855458A (en) * | 2005-04-21 | 2006-11-01 | 索尼株式会社 | Jet generating device and electronic apparatus |
| KR101447832B1 (en) * | 2013-08-27 | 2014-11-25 | (주)토탈솔루션 | Cooling apparatus for electronic device |
| JP2016164949A (en) * | 2015-03-06 | 2016-09-08 | シチズン電子株式会社 | Vibration generation device and light-emitting device |
| CN108061024A (en) * | 2016-11-09 | 2018-05-22 | 英业达(重庆)有限公司 | Air flow-producing device and airflow generating method |
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| CN2510648Y (en) * | 2002-01-08 | 2002-09-11 | 魏徽 | Adjustable automatic inflating pump for balloon |
| TWI506206B (en) * | 2010-05-14 | 2015-11-01 | Foxconn Tech Co Ltd | Heat dissipation device and airflow generator thereof |
| JP5993603B2 (en) * | 2012-04-24 | 2016-09-14 | ミネベア株式会社 | Blower |
| CN205223326U (en) * | 2015-12-09 | 2016-05-11 | 哈尔滨理工大学 | Blow and power supersound aluminum alloy fuse -element purifier based on single tube |
| CN106098585B (en) * | 2016-08-23 | 2018-10-30 | 高邮市鼎天高分子材料有限公司 | A kind of heat dissipation pipeline applied to integrated circuit board detection |
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- 2018-07-18 CN CN201911174211.6A patent/CN110718517B/en active Active
- 2018-07-18 CN CN201810791195.4A patent/CN108933114B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6232680B1 (en) * | 1999-01-13 | 2001-05-15 | Samsung Electronics Co., Ltd. | Cooling apparatus for electronic device |
| CN1855458A (en) * | 2005-04-21 | 2006-11-01 | 索尼株式会社 | Jet generating device and electronic apparatus |
| KR101447832B1 (en) * | 2013-08-27 | 2014-11-25 | (주)토탈솔루션 | Cooling apparatus for electronic device |
| JP2016164949A (en) * | 2015-03-06 | 2016-09-08 | シチズン電子株式会社 | Vibration generation device and light-emitting device |
| CN108061024A (en) * | 2016-11-09 | 2018-05-22 | 英业达(重庆)有限公司 | Air flow-producing device and airflow generating method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108933114B (en) | 2020-01-07 |
| CN108933114A (en) | 2018-12-04 |
| CN110718517A (en) | 2020-01-21 |
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