CN110989778B - A notebook computer key based on the principle of photoresistor, which is convenient for dust removal and heat dissipation - Google Patents
A notebook computer key based on the principle of photoresistor, which is convenient for dust removal and heat dissipation Download PDFInfo
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- CN110989778B CN110989778B CN201911284881.3A CN201911284881A CN110989778B CN 110989778 B CN110989778 B CN 110989778B CN 201911284881 A CN201911284881 A CN 201911284881A CN 110989778 B CN110989778 B CN 110989778B
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- shell
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- photoresistor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1662—Details related to the integrated keyboard
- G06F1/1671—Special purpose buttons or auxiliary keyboards, e.g. retractable mini keypads, keypads or buttons that remain accessible at closed laptop
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
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- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
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Abstract
本发明涉及电脑配件技术领域，且公开了一种基于光敏电阻原理便于除尘散热的笔记本电脑按键，包括外壳一和按键帽，所述外壳一的内底部固定连接有光敏电阻，外壳一的内底部固定连接有外壳二，外壳二的外部固定连接有负极，外壳一的内底部固定连接有外壳三，外壳三的表面开设有小孔，外壳三的内部固定连接有防尘层；通过按键帽、外壳三、小孔、防尘层、导气管、按压柱、弹簧、压板之间的相互作用下，可以保证当使用者按压按键帽时，压板的下移将外壳三内部的空气压出，再通过导气管将压出的空气传输到键盘表面将附近的灰尘吹走，完成清除灰尘的工作过程，压出的空气通过未设置防尘层的小孔将电脑内部的热空气排斥出电脑内部，完成散热的功能。
The invention relates to the technical field of computer accessories, and discloses a notebook computer key which is convenient for dust removal and heat dissipation based on the principle of photoresistor. The second shell is fixedly connected, the outside of the second shell is fixedly connected with a negative electrode, the inner bottom of the first shell is fixedly connected with the third shell, the surface of the third shell is provided with a small hole, and the inner part of the third shell is fixedly connected with a dust-proof layer; The interaction between the shell 3, the small hole, the dust-proof layer, the air duct, the pressing column, the spring, and the pressure plate can ensure that when the user presses the button cap, the downward movement of the pressure plate will press out the air inside the shell 3, and then press the button cap. The compressed air is transmitted to the surface of the keyboard through the air duct to blow away the nearby dust, and the work process of removing dust is completed. Complete the function of heat dissipation.
Description
Technical Field
The invention relates to the technical field of computer accessories, in particular to a notebook computer key convenient for dust removal and heat dissipation based on a photoresistor principle.
Background
The notebook computer is a small and portable personal computer; compared with a desktop computer, the notebook computer has similar structural components (a display, a keyboard/mouse, a CPU, an internal memory and a hard disk), but the advantages of the notebook computer are very obvious, and the notebook computer has the main advantages of small volume, light weight and convenience in carrying. Generally, portability is the greatest advantage of a notebook compared with a desktop computer, the weight of a common notebook computer is only about 2 kilograms, and the notebook computer can be carried about no matter the notebook computer is used for work or travels, so that the notebook computer is very convenient. The ultra-light and ultra-thin are the main development direction of notebook computers at present, but the performance improvement and the function abundance are not influenced. At the same time, its portability and stand-by power supply make mobile office possible. Due to the advantages, the notebook computer is more and more popular with users, and the market capacity is rapidly expanded.
Notebook computers have become common office and study tools at present, however, dust in the air is accumulated on the surfaces and the inside of the computers due to the use of the notebook computers for a long time, which affects the appearances of the computers, and excessive dust accumulation causes insensitive response of circuit boards inside the computers to generate overheating conditions, causes damage to computer components at different degrees, and affects the use of users; the computer is overheated due to long-time use in summer, the heat dissipation of the fan is not timely, and the running speed of the computer is influenced; the keys of the notebook computer used for a long time can also cause the sensitivity reduction of the keys, influence the use experience of a user and indirectly influence the efficiency of work and study.
Therefore, in order to solve the problems, a notebook computer key which is based on the principle of the photoresistor and is convenient for dust removal and heat dissipation is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a notebook computer key which is convenient for dust removal and heat dissipation based on a photoresistance principle, has the advantages of dust prevention, heat dissipation and sensitivity improvement, and solves the problems that the appearance of a computer is influenced due to the accumulation of dust in the air on the surface and inside of the computer caused by the use of the notebook computer for a long time, and the circuit board in the computer is insensitive to reaction and generates overheating due to the accumulation of excessive dust, so that computer components are damaged to different degrees and the use of a user is influenced; the computer is overheated due to long-time use in summer, the heat dissipation of the fan is not timely, and the running speed of the computer is influenced; the key sensitivity is reduced and the use experience of a user is influenced when the key of the notebook computer is used for a long time.
(II) technical scheme
In order to achieve the purposes of dust prevention, heat dissipation and sensitivity improvement, the invention provides the following technical scheme: a notebook computer key convenient for dust removal and heat dissipation based on a photoresistance principle comprises a first shell and a key cap, wherein the inner bottom of the first shell is fixedly connected with a photoresistance, the inner bottom of the first shell is fixedly connected with a second shell, the outer part of the second shell is fixedly connected with a negative electrode, the inner bottom of the first shell is fixedly connected with a third shell, the surface of the third shell is provided with a small hole, the inner part of the third shell is fixedly connected with a dustproof layer, the inner part of the third shell is fixedly connected with a limiting plate, the outer part of the third shell is fixedly connected with an air duct, the outer part of the air duct is fixedly connected with an elastic column, one end of the elastic column, far away from the air duct, is fixedly connected with a baffle plate, the top of the air duct is movably connected with a rotating wheel, the bottom of the key cap is fixedly connected, the bottom of the key cap is movably connected with a spring, and one end of the spring, which is far away from the key cap, is fixedly connected with a pressing plate.
Preferably, the surfaces of the left side and the right side of the shell are both provided with small holes and are symmetrical, the small holes on the left side are only distributed on the inner side of the joint of the air guide pipe and the shell, the dust-proof layer is arranged in the small holes on the left side, and the small holes on the right side are not arranged.
Preferably, the second shell is connected with the third shell through a dustproof layer.
Preferably, a dustproof layer is fixed on the inner side of the top of the air guide tube, and the baffle is movably connected with the air guide tube through a rotating wheel.
Preferably, there are two of the second and third housings, and the two housings are symmetrical along the center line of the photoresistor.
Preferably, the top of the second outer shell is provided with a sliding groove and matched with the negative electrode, and the width of a space formed between the two second outer shells is slightly larger than the diameter of the small lamp.
Preferably, the position of the limiting plate in the third inner part of the shell is higher than that of the small hole.
Preferably, the bottom of the pressure plate is fixedly connected with an elastic column, and the elastic column is made of a rubber material with a higher elastic coefficient.
(III) advantageous effects
Compared with the prior art, the invention provides the notebook computer key convenient for dust removal and heat dissipation based on the principle of the photoresistor, which has the following beneficial effects:
1. this be convenient for remove dust radiating notebook computer button based on photo resistance principle, through photo resistance, shell two, the negative pole, the lamp stand, the lamplet, press the post, under the interact between the positive pole, can guarantee when the user uses, press the pushing down of post, the positive pole attracts the negative pole to get into the inside spout of shell two, the light of lamplet shines into the space between two shells two this moment, simultaneously sensed by photo resistance, accomplish the function that this button corresponds, very big reduction like this the button of contact type because long-time pressing causes the loss of button internals, the sensitivity of button is increased.
2. This be convenient for remove dust radiating notebook computer button based on photo resistance principle, through pressing the key cap, shell three, the aperture, the dust layer, the air duct, press the post, a spring, under the interact between the clamp plate, can guarantee to press when the user presses the key cap, the clamp plate move down with the three inside air extrusions of shell, the air transmission of rethread air duct with the extrusion blows away near dust to the keyboard surface, accomplish the course of operation of cleaing away the dust, the air of extrusion is inside excluding the computer with the inside hot-air of computer through the aperture that does not set up the dust layer, accomplish radiating function.
3. This be convenient for dust removal radiating notebook computer button based on photo resistance principle sets up in every position with external air convection current through the dust layer, has guaranteed air admission or discharge, all can keep off the dust in external environment, has guaranteed the inside accumulation as few as possible of computer.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at C according to the present invention;
FIG. 5 is a schematic view of the structure shown at D in FIG. 1 according to the present invention.
In the figure: 1. a first shell; 2. a key cap; 3. a photoresistor; 4. a second shell; 5. a negative electrode; 6. a third shell; 7. a small hole; 8. a dust-proof layer; 9. a limiting plate; 10. an air duct; 11. an elastic column; 12. a baffle plate; 13. a rotating wheel; 14. a lamp socket; 15. a small lamp; 16. pressing the column; 17. a positive electrode; 18. a spring; 19. and (7) pressing a plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a notebook computer key convenient for dust removal and heat dissipation based on a photoresistor principle comprises a first shell 1 and a key cap 2, wherein the inner bottom of the first shell 1 is fixedly connected with a photoresistor 3, the inner bottom of the first shell 1 is fixedly connected with a second shell 4, the outer part of the second shell 4 is fixedly connected with a negative electrode 5, the inner bottom of the first shell 1 is fixedly connected with a third shell 6, and the two shells 4 and the three shell 6 are symmetrical along the center line of the photoresistor 3; the surface of the shell III 6 is provided with a small hole 7, the interior of the shell III 6 is fixedly connected with a dustproof layer 8, the interior of the shell III 6 is fixedly connected with a limiting plate 9, and the position of the limiting plate 9 in the shell III 6 is higher than that of the small hole 7; the outside fixedly connected with air duct 10 of three 6 shells, aperture 7 and symmetry have all been seted up on three 6 left sides of shell and right side surface, left side aperture 7 only distributes in the inboard of air duct 10 with three 6 junctions of shell, and the inside dust layer 8 that is provided with of left side aperture 7, set up at every position with the outside air convection through dust layer 8, guaranteed that the air admission is still discharged, all can keep off the dust in the external environment, guaranteed that the inside minimum of computer piles up.
The second shell 4 is connected with the third shell 6 through a dustproof layer 8; the right small hole 7 is not arranged; an elastic column 11 is fixedly connected to the outer part of the air duct 10, a baffle plate 12 is fixedly connected to one end, far away from the air duct 10, of the elastic column 11, a rotating wheel 13 is movably connected to the top of the air duct 10, a dust-proof layer 8 is fixed to the inner side of the top of the air duct 10, and the baffle plate 12 is movably connected with the air duct 10 through the rotating wheel 13; the bottom of the key cap 2 is fixedly connected with a lamp holder 14, a small lamp 15 is movably connected inside the lamp holder 14, the top of the second shell 4 is provided with a sliding groove and matched with the cathode 5, and the width of a space formed between the two second shells 4 is slightly larger than the diameter of the small lamp 15; according to the bottom fixedly connected with of button cap 2, press post 16, press the inside fixedly connected with positive pole 17 of post 16, through photo resistance 3, shell two 4, negative pole 5, lamp stand 14, little lamp 15, press post 16, under the interact between the positive pole 17, can guarantee when the user uses, press down of post 16, positive pole 17 attracts negative pole 5 to get into the inside spout of shell two 4, the light illumination of little lamp 15 enters the space between two shells two 4 this moment, simultaneously is sensed by photo resistance 3, accomplish the function that this button corresponds, very big reduction like this the button of contact type because long-time pressing causes the loss of button internals, increase the sensitivity of button.
The bottom of the key cap 2 is movably connected with a spring 18, and one end of the spring 18, which is far away from the key cap 2, is fixedly connected with a pressing plate 19; the bottom of the pressing plate 19 is fixedly connected with an elastic column 11, and the elastic column 11 is made of rubber materials with higher elastic coefficients; through pressing the key cap 2, three 6 on the shell, aperture 7, dust layer 8, the air duct 10, press the post 16, spring 18, under the interact between the clamp plate 19, can guarantee when the user presses the key cap 2, the inside air extrusion of three 6 on the shell is pressed down to clamp plate 19, the air transmission of rethread air duct 10 with the extrusion blows away near dust on the keyboard surface, accomplish the course of working of cleaing away the dust, the air of extrusion is inside the computer is rejected with the inside hot-air of computer through aperture 7 that does not set up dust layer 8, accomplish radiating function.
When a user uses the computer, the key cap 2 is pressed, the pressing column 16 moves downwards, the spring 18 contracts to drive the pressing plate 19 to move downwards, the elastic column 11 fixed at the bottom of the pressing plate 19 contracts to extrude the air in the shell III 6, the pressing column 16 is fixedly connected at the bottom of the key cap 2, the spring 18 is movably connected at the bottom of the key cap 2, one end, far away from the key cap 2, of the spring 18 is fixedly connected with the pressing plate 19, the air in the shell III 6 enters the air duct 10 through the small hole 7 provided with the dust-proof layer 8, the air presses the baffle plate 12, the baffle plate 12 rotates upwards under the action of the rotating wheel 13 movably connected with the outside of the baffle plate, the elastic column 11 extends, and the air clears nearby dust through the gap opened by the baffle plate 12, so that the dust-proof; meanwhile, air in the third shell 6 enters the keys through the small holes 7 without the dust-proof layer 8, hot air generated by a computer is extruded to enter the outside through gaps between the keys and the first shell 1, so that the heat dissipation effect is achieved, and when the key cap 2 is restored due to the elastic columns 11, the outside air enters the air guide pipe 10 through the gap formed by inward contraction of the baffle plate 12, so that the air temperature in the computer can be adjusted; simultaneously, the pressing column 16 is downward, the positive pole 17 moves downward, the positive pole 17 attracts the negative pole 5 to enter the inside chute of the second shell 4, the light of the small lamp 15 irradiates into the space between the two second shells 4 at the moment, the outside fixedly connected with negative pole 5 of the second shell 4, the top of the second shell 4 is provided with the chute and is matched with the negative pole 5, the inside fixedly connected with positive pole 17 of the pressing column 16, the bottom fixedly connected with lamp holder 14 of the key cap 2, the inside movably connected with of the lamp holder 14 is provided with the small lamp 15, the light of the small lamp 15 is sensed by the photosensitive resistor 3 arranged inside the two second shells 4 at the moment, the function corresponding to the key is completed, the loss of key internal parts caused by long-time pressing of the keys of contact type is reduced, and the key sensitivity is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a be convenient for dust removal radiating notebook computer button based on photo resistance principle, includes shell one (1) and presses key cap (2), its characterized in that: the inner bottom of the first shell (1) is fixedly connected with a photosensitive resistor (3), the inner bottom of the first shell (1) is fixedly connected with a second shell (4), the outer part of the second shell (4) is fixedly connected with a negative electrode (5), the inner bottom of the first shell (1) is fixedly connected with a third shell (6), small holes (7) are formed in the surface of the third shell (6), the inner part of the third shell (6) is fixedly connected with a dustproof layer (8), the inner part of the third shell (6) is fixedly connected with a limiting plate (9), the outer part of the third shell (6) is fixedly connected with an air duct (10), the outer part of the air duct (10) is fixedly connected with an elastic column (11), one end of the elastic column (11), which is far away from the air duct (10), is fixedly connected with a baffle (12), the top of the air duct (10) is movably connected with, a small lamp (15) is movably connected inside the lamp holder (14), a pressing column (16) is fixedly connected to the bottom of the key cap (2), an anode (17) is fixedly connected inside the pressing column (16), a spring (18) is movably connected to the bottom of the key cap (2), and a pressing plate (19) is fixedly connected to one end, far away from the key cap (2), of the spring (18);
the pressing column (16) downwards enables the positive pole (17) to move downwards, the positive pole (17) attracts the negative pole (5) to enter the sliding groove in the second shell (4), at the moment, light of the small lamp (15) irradiates the space between the two second shells (4), and the photoresistor (3) senses the light of the small lamp (15) to complete the function corresponding to the key.
2. The notebook computer key based on the photoresistor principle and convenient for dust removal and heat dissipation as claimed in claim 1, wherein: small holes (7) are formed in the left side surface and the right side surface of the third shell (6) and are symmetrical, the small holes (7) in the left side are only distributed on the inner side of the joint of the air guide pipe (10) and the third shell (6), a dustproof layer (8) is arranged inside the small holes (7) in the left side, and the small holes (7) in the right side are not arranged.
3. The notebook computer key based on the photoresistor principle and convenient for dust removal and heat dissipation as claimed in claim 1, wherein: the second shell (4) is connected with the third shell (6) through a dustproof layer (8).
4. The notebook computer key based on the photoresistor principle and convenient for dust removal and heat dissipation as claimed in claim 1, wherein: a dustproof layer (8) is fixed on the inner side of the top of the air duct (10), and the baffle plate (12) is movably connected with the air duct (10) through a rotating wheel (13).
5. The notebook computer key based on the photoresistor principle and convenient for dust removal and heat dissipation as claimed in claim 1, wherein: two of the second shell (4) and two of the third shell (6) are symmetrical along the center line of the photoresistor (3).
6. The notebook computer key based on the photoresistor principle and convenient for dust removal and heat dissipation as claimed in claim 1, wherein: the top of the second shell (4) is provided with a sliding groove and matched with the negative electrode (5), and the width of a space formed between the two second shells (4) is slightly larger than the diameter of the small lamp (15).
7. The notebook computer key based on the photoresistor principle and convenient for dust removal and heat dissipation as claimed in claim 1, wherein: the position of the limiting plate (9) in the shell III (6) is higher than that of the small hole (7).
8. The notebook computer key based on the photoresistor principle and convenient for dust removal and heat dissipation as claimed in claim 1, wherein: the bottom of the pressing plate (19) is fixedly connected with an elastic column (11), and the elastic column (11) is made of rubber materials with higher elastic coefficients.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284881.3A CN110989778B (en) | 2019-12-13 | 2019-12-13 | A notebook computer key based on the principle of photoresistor, which is convenient for dust removal and heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284881.3A CN110989778B (en) | 2019-12-13 | 2019-12-13 | A notebook computer key based on the principle of photoresistor, which is convenient for dust removal and heat dissipation |
Publications (2)
| Publication Number | Publication Date |
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| CN110989778A CN110989778A (en) | 2020-04-10 |
| CN110989778B true CN110989778B (en) | 2021-04-02 |
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| CN201911284881.3A Expired - Fee Related CN110989778B (en) | 2019-12-13 | 2019-12-13 | A notebook computer key based on the principle of photoresistor, which is convenient for dust removal and heat dissipation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541836B (en) * | 2020-05-10 | 2021-12-10 | 淮北中易光电科技有限公司 | Dust removal heat dissipation type watch-dog |
| CN112517540A (en) * | 2020-11-20 | 2021-03-19 | 乐清市天美贸易有限公司 | Keyboard |
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| CN1959602A (en) * | 2005-10-13 | 2007-05-09 | 保力马科技株式会社 | Key sheet |
| CN203909720U (en) * | 2014-06-17 | 2014-10-29 | 东莞市铭冠电子科技有限公司 | Dustproof keyboard |
| CN104299818A (en) * | 2014-10-27 | 2015-01-21 | 东莞市名键电子科技有限公司 | Keyboard key |
| CN204130394U (en) * | 2014-09-26 | 2015-01-28 | 东莞市凯华电子有限公司 | A kind of keyboard switch |
| CN206282239U (en) * | 2016-11-30 | 2017-06-27 | 贵州师范大学 | Keyboard |
| CN206788804U (en) * | 2017-04-17 | 2017-12-22 | 新乡医学院 | A kind of keyboard for carrying purging function |
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2019
- 2019-12-13 CN CN201911284881.3A patent/CN110989778B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959602A (en) * | 2005-10-13 | 2007-05-09 | 保力马科技株式会社 | Key sheet |
| CN203909720U (en) * | 2014-06-17 | 2014-10-29 | 东莞市铭冠电子科技有限公司 | Dustproof keyboard |
| CN204130394U (en) * | 2014-09-26 | 2015-01-28 | 东莞市凯华电子有限公司 | A kind of keyboard switch |
| CN104299818A (en) * | 2014-10-27 | 2015-01-21 | 东莞市名键电子科技有限公司 | Keyboard key |
| CN206282239U (en) * | 2016-11-30 | 2017-06-27 | 贵州师范大学 | Keyboard |
| CN206788804U (en) * | 2017-04-17 | 2017-12-22 | 新乡医学院 | A kind of keyboard for carrying purging function |
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| CN110989778A (en) | 2020-04-10 |
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