CN117524772A - Backlight assembly of notebook keyboard - Google Patents
Backlight assembly of notebook keyboard Download PDFInfo
- Publication number
- CN117524772A CN117524772A CN202410019542.7A CN202410019542A CN117524772A CN 117524772 A CN117524772 A CN 117524772A CN 202410019542 A CN202410019542 A CN 202410019542A CN 117524772 A CN117524772 A CN 117524772A
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- Prior art keywords
- plate
- fixed
- frame
- keyboard
- flat
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 210000003437 trachea Anatomy 0.000 claims description 15
- 239000012634 fragment Substances 0.000 claims description 14
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000009351 contact transmission Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000011324 bead Substances 0.000 abstract description 17
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 50
- 238000010586 diagram Methods 0.000 description 5
- 241000628997 Flos Species 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
Abstract
The invention relates to the technical field of LED backlight, in particular to a backlight component of a notebook keyboard, which comprises a shading square frame, a shading hard plate, a flat air pipe, an air suction unit, an LED lamp strip, a filter cotton and a main straight plate spring sheet, wherein a keyboard main body is fixed on one side of the shading square frame, a shading hard plate is fixed on the other side of the shading square frame, a sealing square plate cavity is arranged among the shading square frame, the shading hard plate and the keyboard main body, the flat air pipe, the air suction unit and the LED lamp strip are distributed in the sealing square plate cavity, the LED lamp strip of the notebook keyboard in the prior art is arranged at the edge position of the keyboard, all keys can be made to emit light through a few lamp beads on the lamp strip, but individual keys cannot be distinguished independently, and the independent LED backlight keyboard technology in the prior art is combined.
Description
Technical Field
The invention relates to the technical field of LED backlight, in particular to a backlight assembly of a notebook keyboard.
Background
The backlight of the keyboard of the notebook computer is derived from the requirement of users for convenience in typing in dark environments, and with the progress of technology, the backlight keyboard not only becomes the standard of the high-end notebook computer, but also is popularized in medium-end models. A notebook keyboard backlight technology in the prior art is that an LED lamp strip is fixed at the edge position of one side of a notebook keyboard, all keys can be illuminated by the lamp beads on the LED lamp strip, the existing defect is that the LED lamp strip illuminates a key in an area, if a single key needs to be independently illuminated, each key can be set with independent colors, and obviously, the mode of arranging the lamp strip at the edge cannot be achieved. The research and development principle of the independent backlight keyboard in the prior art is based on optical and electronic engineering, tiny LED lamp beads are arranged below each key cap or at the bottom of the keyboard and are connected with a computer main board through a keyboard circuit, a user sends instructions to the system through an operating system or shortcut keys, the computer main board responds to the instructions, the brightness or color change of the LED lamps is controlled through the circuit, the LED lamps can generate backlight with different colors through mixing red, green and blue light rays, each key can have independent colors, and if the technology of the external backlight keyboard is used on a notebook keyboard, the function of the notebook keyboard can be improved.
The problem that the heat generation amount of an edge lamp strip illumination mode in the prior art is less and can be ignored is solved, if a plurality of lamp strips are arranged at the bottom of the notebook keyboard, each lamp bead on the lamp strip correspondingly illuminates one key, so that the problem of heat generation of the lamp beads cannot be ignored, for example, the ultrathin keyboard key cap is also ultrathin in design, and the key cap is easy to crack due to expansion with heat and contraction with cold and continuous knocking due to the luminous design of LED luminous heating, and because of cost, the backlight of the ultrathin keyboard uses the luminous LED which emits heat, expansion with heat and contraction with cold are necessarily brought, so that the key cap is aged in an accelerated manner and even is damaged. Therefore, independent lamp beads are arranged below each key of the notebook keyboard, the problem of heat dissipation needs to be solved, and heat cannot be retained for a long time.
Disclosure of Invention
The present invention is directed to a backlight assembly for a notebook keyboard, which solves the above-mentioned problems of the related art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a backlight unit of notebook keyboard, includes shading square frame, shading hard board, flat trachea, the unit of breathing in, LED lamp area, filters cotton and main straight board shell fragment, and one side of shading square frame is fixed with the keyboard main part, the opposite side of shading square frame is fixed with shading hard board, is sealed square board chamber between shading square frame, shading hard board and the keyboard main part, and distributes in the sealed square board chamber and have flat trachea, the unit of breathing in and LED lamp area, the one end external fixation of shading square frame has filters cotton, has seted up a row of inlet port on the shading square frame on one side of the filtering cotton, the other end casing of shading square frame is run through to flat trachea one end, and flat trachea end connection has main straight board shell fragment, flat trachea one side is connected with a plurality of units of breathing in, and the LED lamp area includes the lamp pearl of being connected on the area body, and every lamp pearl one side corresponds the distribution unit of breathing in, and the button back position of lamp pearl distribution in the keyboard main part.
Preferably, the air suction unit comprises an auxiliary plate, a brake column, an integrated piece and a flat air cylinder, wherein two brake columns are vertically fixed on the auxiliary plate, the brake columns slide through the fine holes formed in the shading frame, the brake columns are fixedly connected with a key cap on the shading frame, the brake columns axially move along with the pressing of the key cap, one side of the auxiliary plate is in contact transmission with the integrated piece, one side of the flat air cylinder is fixedly communicated with the flat air cylinder, and the flat air cylinder and the integrated piece are connected.
Preferably, the integrated piece comprises an adjusting part, a movable frame, an L-shaped guide column, a fixed frame and a pressure-supply elastic sheet, wherein the adjusting part is connected between the movable frame and the fixed frame, the L-shaped guide column is connected at two ends of the movable frame, one end of the L-shaped guide column is fixed on a shell of the shading square frame, the pressure-supply elastic sheet is fixed at two ends of the fixed frame, and one end of the pressure-supply elastic sheet is connected with the movable frame.
Preferably, the fixed frame is slidably inserted into a groove on the movable frame, and one end of the fixed frame is fixed on the outer wall of the shell of the keyboard main body.
Preferably, the fixed frame is rectangular, two ventilation plate holes which are symmetrically distributed are formed in a shell on one side of the rectangular frame, and a flat air cylinder penetrates through the shell on the other side of the fixed frame.
Preferably, move the frame and roll over little frame, power T board, door plant shell fragment and guide cylinder including the concave, the both ends of rolling over little frame all are fixed with power T board, and the one end of every power T board all is fixed with the guide cylinder, and L guide post slides and passes the hole of guide cylinder, all sets up a plate hole on every power T board, and power T board hole is towards one side cover of fixed frame has the door plant shell fragment, and door plant shell fragment one end is fixed on power T board, and pressure shell fragment one end is fixed on power T board for.
Preferably, the shape of the concave folding small frame is concave folded plate shape, the waist of the concave folding small frame is provided with an inclined plane, and one side edge of the auxiliary plate is contacted with the inclined plane of the concave folding small frame.
Preferably, the regulation portion includes the tie down ring, outer support shell fragment, warp the pole, concave flat board, L type baffle and the group of connection of rolling over, one side sliding contact of fixed bolster has two symmetrical distribution's L type baffles, runs through a concave flat board of rolling over between two L type baffles, and connects an outer support shell fragment between two L type baffles, but support thermal expansion's deformation pole between L type baffle and the concave flat board tip, be connected with the group of connection between L type baffle and the power T board, one side of concave flat board of rolling over is fixed with a plurality of tie down rings, warp the pole and pass in the tie down ring.
Preferably, the end part of the concave folding flat plate is fixed on the fixed frame, the concave folding flat plate slides through a plate hole formed in the L-shaped baffle, the end part of the outer supporting spring plate is fixed on the L-shaped baffle, and a space for deformation of the deformation rod is reserved inside the binding ring.
Preferably, the connection group comprises a first L-shaped plate, an L-shaped sealing plate and a second L-shaped plate, one end plate body of the L-shaped sealing plate is in sliding contact with the L-shaped baffle, the other end plate body of the L-shaped sealing plate is in sliding contact with the power T plate, a square frame is formed by matching the L-shaped sealing plate, the fixed frame partial plate body and the power T plate partial plate body, an inner cavity of the square frame is communicated with a plate hole passing through an air plate hole on the fixed frame and a plate hole on the power T plate respectively, one end of the first L-shaped plate is fixed on the L-shaped baffle, the first L-shaped plate slides to penetrate through a flat cylinder inner hole fixed at one end of the L-shaped sealing plate, one end of the second L-shaped plate is fixed on the power T plate, and the second L-shaped plate slides to penetrate through a flat cylinder inner hole fixed at the other end of the L-shaped sealing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the LED lamp strips of the notebook keyboard in the prior art are arranged at the edge positions of the keyboard, all keys can emit light through a few lamp beads on the lamp strips, but individual keys cannot be distinguished independently, and the independent LED backlight keyboard technology in the prior art is combined.
2. Because the increase of the number of the lamp beads can lead to more heat dissipation, the invention realizes heat absorption by correspondingly arranging one air suction unit on one side of each lamp bead, and the power for absorbing the heat comes from the power generated when a user knocks the keyboard, so that the notebook automatically completes heat transfer and discharge when the notebook keyboard is normally used.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of a structure of a shading hard plate.
Fig. 3 is a schematic view of the position of the suction unit.
Fig. 4 is a schematic view of the position of an LED strip.
Fig. 5 is a schematic diagram of the structure at a in fig. 4.
Fig. 6 is a schematic diagram of a filter plug position.
Fig. 7 is a schematic diagram of the structure at B in fig. 6.
Fig. 8 is a schematic diagram of an integrated component structure.
Fig. 9 is a schematic view of a movable frame structure.
Fig. 10 is a schematic view of the structure of the adjusting portion.
In the figure: the light shielding frame 1, a light shielding hard plate 2, a flat air pipe 3, an air suction unit 4, an LED lamp strip 5, a filter cotton 6, a main straight plate elastic sheet 7, a keyboard main body 8, a key light transmission window 9, an auxiliary plate 10, a brake column 11, an integrated piece 12, a flat air cylinder 13, an adjusting part 14, a movable frame 15, an L-shaped guide column 16, a fixed frame 17, a pressure-supply elastic sheet 18, a concave folding small frame 19, a power T plate 20, a door plate elastic sheet 21, a guide cylinder 22, a binding ring 23, an outer supporting elastic sheet 24, a deformation rod 25, a concave folding flat plate 26, an L-shaped baffle 27, a connecting group 28, a first L-shaped plate 29, an L-shaped sealing plate 30 and a second L-shaped plate 31.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a backlight unit of notebook keyboard, including shading square frame 1, shading hard board 2, flat trachea 3, the unit 4 of breathing in, LED lamp area 5, filter cotton 6 and main straight board shell fragment 7, one side of shading square frame 1 is fixed with keyboard main part 8, the opposite side of shading square frame 1 is fixed with shading hard board 2, be sealed square board chamber between shading square frame 1, shading hard board 2 and the keyboard main part 8, and it has flat trachea 3 to distribute in the sealed square board chamber, the unit 4 of breathing in and LED lamp area 5, the one end external fixation of shading square frame 1 has filter cotton 6, a row of inlet port has been seted up on the shading square frame 1 of filtering cotton 6 one side, the other end casing of shading square frame 1 is run through to flat trachea 3 one end, and flat trachea 3 end connection has main straight board shell fragment 7, flat trachea 3 one side is connected with a plurality of units 4 of breathing in, LED lamp area 5 includes the lamp pearl that area is connected on the area body and the area body, a unit 4 of breathing in is distributed to every lamp pearl one side correspondence, and the button back position of lamp pearl distribution on keyboard main part 8.
The invention discloses a portable notebook computer, which is characterized in that the heat emitted by lamp beads is gathered in a sealed square plate cavity, the lamp beads are arranged on the back of part of keys, the number and the positions of keys for arranging the lamp beads are selectively determined according to the requirements in actual production, the light of the lamp beads is transmitted to the keys through key light-transmitting windows 9, namely, the heat is mainly gathered around the lamp beads, the heat emitted by the lamp beads is absorbed nearby through an air suction unit 4, so that keyboard cooling is performed in time, the absorbed heat is transferred and discharged along with air flow through a flat air pipe 3, an exhaust end is abutted into a heat dissipation mechanism of the notebook computer, new air is needed to be supplemented into the sealed square plate cavity, namely, the position of a filter floss 6 is provided with an exhaust hole, after the outside air is filtered through the filter floss 6, the outside air is injected into the sealed square plate cavity through air holes, thus the air outlet and air inlet is balanced, the collection and transfer of hot air flow need driving force, the power generated by the keyboard is the power generated by knocking the keyboard when the notebook computer is normally used, and the power of each time the keyboard is knocked.
The air suction unit 4 comprises an auxiliary plate 10, a brake column 11, an integrated piece 12 and a flat air cylinder 13, wherein two brake columns 11 are vertically fixed on the auxiliary plate 10, the brake columns 11 slide through the fine holes formed in the shading frame 1, the brake columns 11 are fixedly connected with key caps on the shading frame 1, the brake columns 11 axially move along with the pressing of the key caps, the integrated piece 12 is in contact transmission with one side of the auxiliary plate 10, the flat air cylinder 13 is fixedly communicated with one side of the flat air cylinder 3, and the flat air cylinder 13 is connected with the integrated piece 12.
The integrated piece 12 comprises an adjusting part 14, a movable frame 15, an L-shaped guide post 16, a fixed frame 17 and a pressure-supply elastic sheet 18, wherein the adjusting part 14 is connected between the movable frame 15 and the fixed frame 17, the two ends of the movable frame 15 are connected with the L-shaped guide post 16, one end of the L-shaped guide post 16 is fixed on the shell of the shading frame 1, the two ends of the fixed frame 17 are both fixed with the pressure-supply elastic sheet 18, and one end of the pressure-supply elastic sheet 18 is connected with the movable frame 15.
The fixed frame 17 is slidably inserted into a groove on the movable frame 15, and one end of the fixed frame 17 is fixed to the outer wall of the housing of the keyboard main body 8.
The fixed frame 17 is a rectangular frame, two ventilation plate holes which are symmetrically distributed are formed in a shell on one side of the rectangular frame, and a flat air cylinder 13 penetrates through the shell on the other side of the rectangular frame of the fixed frame 17.
The movable frame 15 comprises a concave folding small frame 19, power T plates 20, door plate elastic pieces 21 and guide cylinders 22, wherein the power T plates 20 are respectively fixed at two ends of the concave folding small frame 19, one end of each power T plate 20 is respectively fixed with a guide cylinder 22, an L-shaped guide column 16 slides through an inner hole of each guide cylinder 22, each power T plate 20 is provided with a plate hole, one side of the plate hole of each power T plate 20 facing the fixed frame 17 is covered with the door plate elastic pieces 21, one end of each door plate elastic piece 21 is fixed on each power T plate 20, and one end of each pressure-giving elastic piece 18 is fixed on each power T plate 20.
The concave small frame 19 is shaped like a concave plate, the waist of the concave small frame 19 is provided with an inclined plane, and one side edge of the auxiliary plate 10 is in inclined plane contact with the concave small frame 19.
The adjusting part 14 comprises a binding ring 23, an outer supporting elastic sheet 24, a deformation rod 25, a concave folding flat plate 26, an L-shaped baffle 27 and a connecting group 28, wherein two symmetrically distributed L-shaped baffles 27 are in sliding contact with one side of the fixed frame 17, the concave folding flat plate 26 penetrates through the two L-shaped baffles 27, the outer supporting elastic sheet 24 is connected between the two L-shaped baffles 27, the deformation rod 25 capable of expanding in a heating mode is supported between the L-shaped baffles 27 and the end part of the concave folding flat plate 26, the connecting group 28 is connected between the L-shaped baffles 27 and the power T plate 20, a plurality of binding rings 23 are fixed on one side of the concave folding flat plate 26, and the deformation rod 25 penetrates through the binding rings 23.
The end of the concave folding flat plate 26 is fixed on the fixed frame 17, the concave folding flat plate 26 slides through a plate hole formed in the L-shaped baffle 27, the end of the outer supporting spring plate 24 is fixed on the L-shaped baffle 27, and a space for the deformation of the deformation rod 25 is reserved inside the binding ring 23.
The connection group 28 comprises a first L-shaped plate 29, an L-shaped sealing plate 30 and a second L-shaped plate 31, one end plate body of the L-shaped sealing plate 30 is in sliding contact with the L-shaped baffle 27, the other end plate body of the L-shaped sealing plate 30 is in sliding contact with the power T plate 20, a square frame is formed by matching the L-shaped sealing plate 30, a part plate body of the fixed frame 17 and a part plate body of the power T plate 20, an inner cavity of the square frame is communicated with an air passing plate hole on the fixed frame 17 and a plate hole on the power T plate 20 respectively, one end of the first L-shaped plate 29 is fixed on the L-shaped baffle 27, the first L-shaped plate 29 slides through a flat cylinder inner hole fixed at one end of the L-shaped sealing plate 30, one end of the second L-shaped plate 31 is fixed on the power T plate 20, and the second L-shaped plate 31 slides through a flat cylinder inner hole fixed at the other end of the L-shaped sealing plate 30.
The working power of the air suction unit 4 comes from knocking keys, the key caps are pressed down to drive the brake columns 11, after the keys are loosened, the key caps drive the brake columns 11 to reset, in the process of knocking once, the brake columns 11 complete one-time axial reciprocating movement, the brake columns 11 drive the auxiliary plates 10, the auxiliary plates 10 reciprocate to drive the integrated pieces 12, particularly the auxiliary plates 10 move to press the concave folding small frames 19, the concave folding small frames 19 drive the power T plates 20 to buckle to the fixed frames 17, the power T plates 20, the fixed frames 17 and the L-shaped sealing plates 30 form a square frame, and the back side shell of the keyboard main body 8 buckled on one side and the shading hard plates 2 on the other side just form a sealed small square cavity, the power T plates 20 are pressed to the fixed frames 17, gas in the small square cavity is extruded out, the door plate elastic plates 21 can only swing and open towards the inside of the small square cavity, gas in the small square cavity is discharged through the holes on the fixed frames 17, then the flat 13 is discharged outside in the process of pressing the reset, the concave folding small frames 19 drives the power T plates 20 to reversely move and reset, the air in the small square cavity is increased, and the heat is directly discharged from the air suction plate 4 and the air cylinder is directly around the air cylinder through the flat elastic plates 7, and the outside the air suction plate is cooled down, and the heat is directly discharged from the outside of the air cylinder is directly by the air suction plate is directly after the air suction plate is cooled down, and the air is cooled down by the air in the air of the air pump, and the outside of the air is cooled down by the air is directly consumed by the air and the outside.
According to the invention, the single air guide amount in the small square cavity is changed through the adjusting part 14, so long as the keyboard is effectively cooled, no ventilation of the atmospheric air is needed, because the ventilation air inlet needs to be filtered by the filter floss 6, the larger the air speed is, the more the filter floss 6 can be aged and polluted in advance, as shown in fig. 9 and 10, one end of the deformation rod 25 props against the movable L-shaped baffle 27, if the ambient air is overheated, the deformation rod 25 stretches to push the L-shaped baffle 27, the L-shaped baffle 27 moves towards the middle part of the fixed frame 17, the space of the square cavity formed by the power T plate 20, the fixed frame 17 and the L-shaped sealing plate 30 is increased, at the moment, the power T plate 20 moves relative to the fixed frame 17 again, the moving distance is unchanged, but the transverse area is increased, so that the air quantity guided by single reciprocating movement is increased, the heat emitted by the lamp beads can be rapidly discharged, namely, if the space where the lamp beads are located is too much, the air suction unit 4 can automatically enhance the strength of the heat discharged.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a backlight unit of notebook keyboard, includes shading square frame (1), shading hard board (2), flat trachea (3), unit of breathing in (4), LED lamp area (5), filter cotton (6) and main straight board shell fragment (7), and one side of shading square frame (1) is fixed with keyboard main part (8), its characterized in that: the utility model discloses a keyboard, including shading square frame (1), keyboard main part (8), shading square frame (1), shading square frame (2) and keyboard main part (8) are fixed with shading hard board (2), are sealed square board chamber between, and distribute flat trachea (3), inhale unit (4) and LED lamp area (5) in the sealed square board chamber, the one end outside of shading square frame (1) is fixed with and filters cotton (6), has seted up a row of inlet port on shading square frame (1) of filtering cotton (6) one side, the other end casing of shading square frame (1) is run through to flat trachea (3) one end, and flat trachea (3) end connection has main straight board shell fragment (7), flat trachea (3) one side is connected with a plurality of units of breathing in (4), and LED lamp area (5) are including the lamp pearl of being connected on the area body, and every lamp pearl one side corresponds and distributes one and inhale unit (4), and the lamp pearl distributes the button back position on keyboard main part (8).
2. The backlight assembly of a notebook keyboard as claimed in claim 1, wherein: the utility model provides a suction unit (4) is including subplate (10), brake column (11), integrated piece (12) and flat inflator (13), perpendicular two brake column (11) that are fixed with on subplate (10), the pore of seting up on brake column (11) slip pass shading square frame (1), and key cap fixed connection on brake column (11) and shading square frame (1), brake column (11) follow key cap and press and axial displacement, the contact transmission of one side of subplate (10) has integrated piece (12), and flat inflator (13) are fixed to communicate on one side of flat inflator (3), and flat inflator (13) and integrated piece (12) are connected.
3. The backlight assembly of a notebook keyboard as claimed in claim 2, wherein: the integrated piece (12) comprises an adjusting part (14), a movable frame (15), an L-shaped guide column (16), a fixed frame (17) and a pressure-supply elastic sheet (18), wherein the adjusting part (14) is connected between the movable frame (15) and the fixed frame (17), the L-shaped guide column (16) is connected to the two ends of the movable frame (15), one end of the L-shaped guide column (16) is fixed on a shell of the shading square frame (1), the pressure-supply elastic sheet (18) is fixed to the two ends of the fixed frame (17), and one end of the pressure-supply elastic sheet (18) is connected with the movable frame (15).
4. A backlight assembly of a notebook keyboard according to claim 3, wherein: the fixed frame (17) is inserted into the groove on the movable frame (15) in a sliding mode, and one end of the fixed frame (17) is fixed on the outer wall of the keyboard main body (8).
5. A backlight assembly of a notebook keyboard according to claim 3, wherein: the fixed frame (17) is rectangular, two ventilation plate holes which are symmetrically distributed are formed in the shell on one side of the rectangular frame, and flat air cylinders (13) penetrate through the shell on the other side of the rectangular frame of the fixed frame (17).
6. The backlight assembly of a notebook computer keyboard as claimed in claim 5, wherein: the movable frame (15) comprises a concave folding small frame (19), power T plates (20), door plate elastic pieces (21) and guide cylinders (22), wherein the power T plates (20) are fixed at two ends of the concave folding small frame (19), the guide cylinders (22) are fixed at one end of each power T plate (20), an L-shaped guide column (16) slides through an inner hole of each guide cylinder (22), a plate hole is formed in each power T plate (20), one side of each power T plate hole, facing the fixed frame (17), of each power T plate (20) is covered with the door plate elastic pieces (21), one end of each door plate elastic piece (21) is fixed on each power T plate (20), and one end of each pressure-giving elastic piece (18) is fixed on each power T plate (20).
7. The backlight assembly of a notebook keyboard as claimed in claim 6, wherein: the shape of the concave folding small frame (19) is concave folded plate shape, the waist of the concave folding small frame (19) is provided with an inclined plane, and one side edge of the auxiliary plate (10) is contacted with the inclined plane of the concave folding small frame (19).
8. The backlight assembly of a notebook keyboard as claimed in claim 6, wherein: the utility model provides an adjusting part (14) including tie down ring (23), outer support shell fragment (24), deformation pole (25), concave flat board (26), L type baffle (27) and link group (28), one side sliding contact of fixed bolster (17) has two symmetrical distribution's L type baffle (27), run through a concave flat board (26) between two L type baffles (27), and connect an outer support shell fragment (24) between two L type baffles (27), but support between L type baffle (27) and concave flat board (26) tip and be connected with link group (28) between L type baffle (27) and the power T board (20), one side of concave flat board (26) is fixed with a plurality of tie down rings (23), deformation pole (25) are passed from tie down ring (23).
9. The backlight assembly of a notebook keyboard of claim 8, wherein: the end part of the concave folding flat plate (26) is fixed on the fixed frame (17), the concave folding flat plate (26) slides through a plate hole formed in the L-shaped baffle plate (27), the end part of the outer supporting spring plate (24) is fixed on the L-shaped baffle plate (27), and a space for the deformation rod (25) to deform is reserved in the binding ring (23).
10. The backlight assembly of a notebook keyboard of claim 8, wherein: the connecting group (28) comprises a first L-shaped plate (29), an L-shaped sealing plate (30) and a second L-shaped plate (31), one end plate body of the L-shaped sealing plate (30) is in sliding contact with the L-shaped baffle (27), the other end plate body of the L-shaped sealing plate (30) is in sliding contact with the power T plate (20), the L-shaped sealing plate (30), the fixed frame (17) partial plate body and the power T plate (20) partial plate body are matched to form a square frame, an inner cavity of the square frame is communicated with an air passing plate hole on the fixed frame (17) and a plate hole on the power T plate (20) respectively, one end of the first L-shaped plate (29) is fixed on the L-shaped baffle (27), one end of the first L-shaped plate (29) is fixed on the power T plate (20) in a sliding manner, one end of the second L-shaped plate (31) is fixed on the power T plate (20), and the other end of the second L-shaped plate (31) is fixed on the power T plate (30) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410019542.7A CN117524772B (en) | 2024-01-05 | 2024-01-05 | Backlight assembly of notebook keyboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410019542.7A CN117524772B (en) | 2024-01-05 | 2024-01-05 | Backlight assembly of notebook keyboard |
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| CN117524772A true CN117524772A (en) | 2024-02-06 |
| CN117524772B CN117524772B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410019542.7A Active CN117524772B (en) | 2024-01-05 | 2024-01-05 | Backlight assembly of notebook keyboard |
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| CN213877894U (en) * | 2020-10-30 | 2021-08-03 | 苏州华之杰电讯股份有限公司 | High-definition backlight indicating switch with colorful display effect |
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| CN216980412U (en) * | 2022-01-24 | 2022-07-15 | 广西世纪创新显示电子有限公司 | Indicator light shading structure of key and display device |
| CN217214537U (en) * | 2022-03-24 | 2022-08-16 | 深圳市汇创达科技股份有限公司 | Backlight keyboard module with microstructure light guide film |
| CN219677112U (en) * | 2023-05-04 | 2023-09-12 | 深圳博诚信电子有限公司 | Backlight metal module of mini LED luminous keyboard |
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2024
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| JP2000106056A (en) * | 1998-09-30 | 2000-04-11 | Brother Ind Ltd | Keyboard |
| CN201514618U (en) * | 2010-01-22 | 2010-06-23 | 佛山市顺德区顺达电脑厂有限公司 | Heat radiation type keyboard |
| US20120318655A1 (en) * | 2011-06-20 | 2012-12-20 | Fih (Hong Kong) Limited | Keypad assembly for electronic devices |
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| CN213877894U (en) * | 2020-10-30 | 2021-08-03 | 苏州华之杰电讯股份有限公司 | High-definition backlight indicating switch with colorful display effect |
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| CN219677112U (en) * | 2023-05-04 | 2023-09-12 | 深圳博诚信电子有限公司 | Backlight metal module of mini LED luminous keyboard |
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| Publication number | Publication date |
|---|---|
| CN117524772B (en) | 2024-04-12 |
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