CN201837965U

CN201837965U - Keyboard

Info

Publication number: CN201837965U
Application number: CN2010202136431U
Authority: CN
Inventors: 金奇斌; 季进; 黄小康; 邓陶勇; 陶颍霞
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2010-05-29
Filing date: 2010-05-29
Publication date: 2011-05-18
Anticipated expiration: 2020-05-29

Abstract

The utility model discloses a keyboard, which comprises a Bluetooth module, a photoelectric mouse control module, a photosensitive control module, a light guide module and a PCB (printed circuit board). The light guide module comprises a flexible circuit board, and flexible circuit boards of the Bluetooth module, the photoelectric mouse control module, the photosensitive control module and the light guide module are integrated on the PCB.

Description

A kind of keyboard

Technical field

The utility model patent relates to a kind of keyboard.

Background technology

Keyboard is the important input equipment of computing machine, and a large amount of instructions is all by this external equipment input processor of keyboard.Along with improving constantly of people's living standard, people are more and more higher to the requirement of IT product, and IT product is also brought in constant renewal in the replacement.In the market common keyboard substantially all be wired external, only have the simple function of input instruction, far can not satisfy people's user demand.

Market is more and more to the functional requirement of keyboard, and demand is also more and more higher, but wishes keyboard controlled in wireless terminal, save the worry of wired connection; Wish that also keyboard when using night, leaves other people rest alone, do not have promptly that environment is backlight also can be used; Wish to have on the keyboard function of optical mouse; Wish that the outward appearance uniqueness has individual character or the like.At present, conventional keyboard often has only a kind of additional function, the improvement of no matter still needing on the convenience that outward appearance, light effect also are to use except input instruction.

The utility model content

The purpose of this utility model is to provide a kind of keyboard, and this keyboard can be wireless, contains light mouse module and is subjected to the environment backlight control.

The utility model discloses a kind of keyboard, comprise bluetooth module, optical mouse control die set, photosensitive control die set, leaded light module and PCB, wherein, the leaded light module comprises flexible circuit board, and the flexible circuit board of described bluetooth module, optical mouse control die set, photosensitive control die set and leaded light module is integrated on the PCB.

Further, comprise keyboard body, described keyboard body comprises keycap, plastic rubber bracket, silica gel contact, FPC and metal profile, silica gel contact and FPC are by after the adhesive adhesion, be connected with metal profile again, plastic rubber bracket matches with the snap device of metal profile and the snap device of keycap respectively

Further, described photosensitive control die set comprises environment is backlightly transferred to leaded light post on the light activated element, produces light activated element that corresponding electric current changes and electric current changed the photosensitive control chip of making response thereupon.

Further, described leaded light module mainly is made of LED lamp, flexible circuit board, reflecting piece, light guide sheet and anti-dazzling screen, and wherein, the LED lamp is connected with described photosensitive control die set by led circuit.

Further, described optical mouse control die set comprises left and right sides operating key and optical mouse.

Adopt the utility model scheme, make keyboard merge the module of multiple external equipment, broken through the disadvantage of existing stand-alone keypad function singleness.

Description of drawings

Fig. 1 is an exploded perspective view of the present utility model.

Fig. 2 is the utility model keyboard synoptic diagram.

Embodiment

Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.

The utility model keyboard comprises following a few part: keyboard case, keyboard body, leaded light module, PCB (printed circuit board (PCB), the abbreviation of Printed circuit board) and power supply, photosensitive control die set and optical mouse control die set.

Need to prove that the utility model indication keycap is common clear plastic keycap, can carry out radium carver skill; The indication support is promptly filled the plastic rubber bracket in keycap gap; The surface treatment mode that the indication leaded light strengthens comprises modes such as serigraphy, glue head bat printing, hot transfer printing, water transfer printing, spraying.

Below will further describe each ingredient:

1. keyboard case

The utility model keyboard case comprises A-Coverl1 and B-Coverl2, is provided with the mechanism and the space of fitted key disc main body, leaded light module, PCB module, photosensitive control die set.

The keyboard case base material adopts plastic cement or magnesium-aluminium alloy material, light being easy to carry about with one; The mode that surface treatment adopts wire drawing to combine with gorgeous 3D effect forms stereoeffect in case surface, realizes the touch sense on plane and the visual effect perfect adaptation of solid.

2. keyboard body

1) mainly constitutes keyboard body by keycap 21, plastic rubber bracket 22, silica gel contact 23, FPC 24 and metal profile 25.Wherein, silica gel contact 23 passes through the adhesive adhesion with FPC 24, again with metal profile 25 physical connections; Plastic rubber bracket 22 matches with the snap device of metal profile 25 and the snap device of keycap 21 respectively.

2) processing mode of keycap word original text zone leaded light enhancing is:

A) printing of normal transparent plastic cement keycap or spraying leaded light material;

B) keycap front spray paint;

C) radium carving exposes priming paint or base material as character zone;

D) spraying or printing protective finish;

Will be through the keycap set of this processing this keyboard of packing into, light when backlight, can realize the appearance of character leaded light, and brightness is satisfied the demand.

3) design of miscellaneous part

FPC 24 is designed to transparent in the leaded light zone, silica gel contact 23 adopts transparent raw material, is beneficial to the propagation of light.Plastic rubber bracket 22 adopts white POM (polyoxygenated polyoxymethylene), and surface design becomes the light face, strengthens the reflection of light, reduces the weakening of light.

The thickness of plastic rubber bracket 22, the design of width need take into account with keycap assembling after appearance and the complementary of light covered; The processing of plastic rubber bracket 22 must guarantee surface effect and the acceptable deformation extent of Gao Guang.

Mechanism's leaky hole of metal profile 25 need satisfy the needs of leaded light, and this zone can not cause the weakening of extra light leak and performances such as metal profile 25 intensity and rigidity simultaneously.

3. leaded light module

The leaded light module mainly is made of LED lamp, flexible circuit board 31, reflecting piece 32, light guide sheet 33 and anti-dazzling screen 34.Wherein, the LED lamp is connected with photosensitive control die set by led circuit, and inserts in the main circuit, is subjected to the dual control of photosensitive control die set and power supply.Under the situation of LED lamp power supply abundance, photosensitive control die set activates light activated switch by environment power backlight, thereby the switch of control LED lamp realizes lighting automatically and cutting out of character light guide effect.

Anti-dazzling screen 34 is of a size of with reference to designing with character zone, and purpose is to avoid gap that light transmission arrives keycap and support to form light leak, guarantees that light is only in the appearance of the position of needs.

4.PCB with power supply

With bluetooth module, light mouse module, photosensitive control chip, light activated element, master chip is integrated and rationally be arranged on the PCB, realizes the reasonable management and control of signal; Above each module is connected with primary power, optimizes circuit design, it is reasonable, unimpeded to guarantee to distribute; Optimize the size of PCB and the position of primary power, guarantee that the keyboard one-piece construction is attractive in appearance.

The PCB master chip is each module of control, realizes the maincenter of function, must guarantee to have enough calculating and processing power during design.

5. photosensitive control die set

Mainly formed photosensitive control die set by photosensitive control chip, light activated element and leaded light post.Wherein, the leaded light post transfers on the light activated element environment is backlight, light activated element produces corresponding electric current to be changed, photosensitive control chip changes electric current according to written program makes response, provides or cut off the current supply of LED lamp, thereby realizes lighting and extinguish with environment variation control character leaded light backlight, be not have environment night when backlight, photosensor chip control LED lamp is lighted, and realizes the character leaded light, to be user-friendly for the operation of keyboard.

6. optical mouse control die set

The optical mouse control die set is made up of left and right sides operating key 61 and optical mouse 62, optical mouse 62 is equal to the mouse of common computer, hand is placed on the centre position of optical mouse, move gently, cursor in the computer is with moving of setting about, and left and right sides operating key 61 is equal to the left and right sides operating key on the common computer mouse.

The main design thought of the utility model keyboard is by the module collection technology, overcome the difficult together control of multiple module collection, easily lost efficacy, unsettled characteristics, in the PCB design, with multiple module optimal combination to realize multiple function; Simultaneously, plan as a whole each components and parts size of design, external sight is checked and regulated and structure is accomplished the effect that minimum is the thinnest with fit key in each components and parts position of arranging meticulously.

The utility model keyboard comprises with the lower part according to the realization of difference in functionality:

1.PCB motherboard design and processing

In modules such as PCB upper set bluetooth, light mouse, photosensitive controls, programming is also optimized distribution signal control; And consider design, the layout of its apparent size, interface according to product structure.

2. the layout design of light sensor

The light demand of getting must be satisfied in the position of light sensor, also satisfies the needs of industrial design, structural design simultaneously; Trigger the switch of light sensor with the bright-dark degree of keyboard environment for use, and then realize backlight lighting and closing.

3. the design of leaded light module and processing

Utilize cold light source LED lamp,, realize the even distribution of light zone light intensity by the leaded light dot matrix on reflecting piece and the light guide plate, and the adjusting of luminance brightness.

4. the processing of light leak around the keycap

The light leak problem of leaded light keyboard is generally to perplex a big problem of manufacturer in the industry.The utility model is in conjunction with the demand of character luminance brightness, and the shape of design anti-dazzling screen and the height of size and key cap bracket to avoid light leak, make shaded effect reach optimum condition.

5. the keyboard body of chocolate outward appearance

Because this keyboard gathered numerous components and parts, when realizing chocolate appearance, remove the shaped design of keycap itself, also need arrange meticulously plastic rubber bracket mechanism and keycap, and take into full account the space of arranging of each assembly.And in conjunction with the leaded light requirement, mechanism's hole shape of appropriate design back up pad had both made enough light see through it and had projected on the keycap, also guaranteed the intensity and the rigidity of back up pad.

6. the surface treatment of leaded light enhancing

Because the distribution of a part of light on keycap blocked in the abundant design of anti-dazzling screen; The chocolate outward appearance of keycap increases elevation, has slackened the light that partly is distributed on the keycap again.More than cause undressed keycap character luminance brightness darker, had a strong impact on the surface effect of product.After keycap being strengthened the surface treatment of light guide effect, i.e. exploitation is suitable for the leaded light material of keycap and prime coat, adopts the mode of printing and spraying attached to key cap surface, and then the light secondary that projects on the keycap is strengthened, and reaches the character brightness of expectation.

By above each several part design, can realize wireless connections, contain light mouse module and be subjected to the stand-alone keypad of environment backlight control, the easy greatly external equipment of computing machine, and have that the character luminance brightness meets the requirements, the advantage of the no light leaks in place, slit such as keycap and support.

The utility model is compared the deficiency that has overcome function singleness with existing product, overcome problems such as the integrated circuit design of bringing of multiple module, signal Processing difficulty simultaneously; By optimization each components and parts of arranging, captured integrated too fat to move, the dilatory defective of bringing to outward appearance of multicomponent device; Overcome light activated element and be difficult for the difficulty of arranging, make that photosensitive control die set can be real according to environment backlight control LED lamp, realize not having use backlight night, eliminate environment backlight to around influence; Overcome the common light leak of leaded light keyboard and the problem of character luminance shortage, realized the light guide effect that character is comfortable.

In sum, more than be preferred embodiment of the present utility model only, be in order to help to understand the spirit and the main points of this patent, but be not to be used to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. keyboard, it is characterized in that, comprise bluetooth module, optical mouse control die set, photosensitive control die set, leaded light module and PCB, wherein, the leaded light module comprises flexible circuit board, and the flexible circuit board of described bluetooth module, optical mouse control die set, photosensitive control die set and leaded light module is integrated on the PCB.

2. a kind of keyboard as claimed in claim 1, it is characterized in that, comprise keyboard body, described keyboard body comprises keycap (21), plastic rubber bracket (22), silica gel contact (23), FPC (24) and metal profile (25), after silica gel contact (23) passes through the adhesive adhesion with FPC (24), be connected with metal profile (25), plastic rubber bracket (22) matches with the snap device of metal profile (25) and the snap device of keycap (21) respectively again.

3. a kind of keyboard as claimed in claim 1, it is characterized in that described photosensitive control die set comprises environment is backlightly transferred to leaded light post on the light activated element, produces light activated element that corresponding electric current changes and electric current changed the photosensitive control chip of making response thereupon.

4. a kind of keyboard as claimed in claim 1, it is characterized in that, described leaded light module mainly is made of LED lamp, flexible circuit board (31), reflecting piece (32), light guide sheet (33) and anti-dazzling screen (34), and wherein, the LED lamp is connected with described photosensitive control die set by led circuit.

5. a kind of keyboard as claimed in claim 1 is characterized in that, described optical mouse control die set comprises left and right sides operating key (61) and optical mouse (62).