CN208365346U - A kind of light source module and keyboard membrane - Google Patents
A kind of light source module and keyboard membrane Download PDFInfo
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- CN208365346U CN208365346U CN201821262601.XU CN201821262601U CN208365346U CN 208365346 U CN208365346 U CN 208365346U CN 201821262601 U CN201821262601 U CN 201821262601U CN 208365346 U CN208365346 U CN 208365346U
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- light source
- source module
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- light
- shell
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Abstract
The utility model relates to a kind of light source module and keyboard membranes, wherein, light source module includes shell and rotary switch, and the shell is rectangular parallelepiped structure or cylindrical structure, is provided with internal cavities in shell, light source is provided in the internal cavities, one end of the shell is provided with the interface for connecting optical fiber, and the interface is connected with the internal cavities, and the other end of the shell is provided with for plug, it is connected for plug with the light source, is used to be light source power supply for plug；The rotary switch is set to the shell, rotary switch is used to adjust the brightness of light source, the utility model, it is compact-sized, not only can be according to the strong and weak brightness for adjusting back light of ambient light, but also the color of back light can be adjusted according to the hobby of user, while the drawbacks of effectively avoiding in the prior art, so that the illuminating effect of this light source module and keyboard membrane is more preferable, use is more flexible, more humane.
Description
Technical field
The utility model relates to computer fittings technical fields, and in particular to a kind of light source module and keyboard membrane.
Background technique
With the economic development and improvement of people's living standards, the phenomenon that one laptop of manpower, is more universal；
In real work and life, the not set back light of the keyboard of many laptops, so that being used when ambient light is darker
Family is not easy to see keyboard clearly, causes not only to waste time, but also seriously affect user and use notebook for often pressing the wrong button
Efficiency.
In the prior art, some keyboard membranes for being provided with back light are disclosed, are fitted on the keyboard of laptop,
It may be implemented to illuminate the function of keyboard, however, these keyboard membranes in the prior art, the brightness of back light is usually non-adjustable,
On the one hand, light is too strong, is easy to appear dazzling, twinkling problem, light is excessively dark, does not have good illuminating effect；Another party
Face, the energy consumption of keyboard membrane is high, cannot according to the strong and weak brightness for adjusting back light of ambient light so that the application of keyboard membrane by
Limit.
Utility model content
To improve the deficiency in the presence of the prior art, the technical scheme adopted by the utility model is
A kind of light source module, including shell and rotary switch, the shell are rectangular parallelepiped structure or cylindrical structure, shell
Internal cavities are inside provided with, light source is provided in the internal cavities, one end of the shell is provided with for connecting light guide fibre
The interface of dimension, the interface are connected with the internal cavities, and the other end of the shell is provided with for plug, for plug
It is connected with the light source, is used to be light source power supply for plug；The rotary switch is set to the shell, and rotary switch is used for
Adjust the brightness of light source.
In a kind of scheme, the light source includes at least two lamps, and the lamp passes through conductor in parallel in described for electric mortiser respectively
Head, and current supply circuit is constituted, the rotary switch is set to the current supply circuit, and the number for controlling the lamp being lit.
Preferably, the rotary switch include cylindrical knob, several auxiliary contacts being set to around cylindrical knob and
One main contacts and with the same number of several sub-joints of auxiliary contact and a major joint, each auxiliary contact respectively with it is corresponding
Sub-joint is electrically connected, and main contacts is electrically connected with major joint；The auxiliary contact and main contacts are outer with the cylindrical knob respectively
Side is in contact, and the lateral surface of the cylinder knob is provided with one section of arc Contact piece, is adjusted and is led by rotational circle cylindricality knob
The number of contact connection auxiliary contact.
Preferably, the contact, main contacts and auxiliary contact are made of copper.
Preferably, the light source includes three lamps and a rotary switch, and the rotary switch includes that three pairs connect
Head and a major joint, the major joint are connected by conducting wire for plug with described, the sub-joint pass through respectively conducting wire and
Three lamps be connected, three lamps pass through respectively conducting wire be connected to it is described for plug.To constitute current supply circuit.
Preferably, the lamp can be incandescent lamp or LED light.
Preferably, the light source may include the different lamp of multiple luminescent colors.
In one kind preferably scheme, the light source includes nine LED light, and nine LED light are according to the two-dimensional array side 3x3
Formula setting, wherein three LED light of the first row are blue LED lamp, and three LED light of the second row are white LED lamp, the third line
Three LED light be red LED lamp, pass through conductor in parallel respectively in described for plug with three LED light in a line, and point
Not Tong Guo the control of rotary switch with three LED light in a line light number.
Preferably, described for plug can be two-wire plug or USB plug.
Further, heat release hole and peep hole are additionally provided on the shell, heat release hole is mainly used for radiating, in peep hole
It is provided with lens, the case where peep hole observes enclosure interior convenient for user, such as whether there is light source damage etc..
A kind of keyboard membrane, including keyboard membrane body, optical fiber and said light source module, the optical fiber are embedded in
In the keyboard membrane body, keyboard membrane body is extended in one end of optical fiber, and is connected with the interface in the light source module
Logical, keyboard membrane body is used for overlay keyboard.
Compared with prior art, compact-sized using a kind of light source module provided by the utility model and keyboard membrane, not only
Can be according to the strong and weak brightness for adjusting back light of ambient light, and back light can be adjusted according to the hobby of user
Color, so that the illuminating effect of this light source module and keyboard membrane is more preferable, makes while the drawbacks of effectively avoiding in the prior art
With more flexible, more humane.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the light source module provided in the utility model embodiment 1.
Schematic diagram when Fig. 2 is light source module shown in FIG. 1 and the use of keyboard membrane body fits.
Fig. 3 is the circuit connection diagram of three lamps in a kind of light source module provided in the utility model embodiment 1.
Fig. 4 is a kind of light source module kind for providing in the utility model embodiment 1, rotary switch in use one
Kind state diagram.
Fig. 5 is a kind of light source module kind for providing in the utility model embodiment 1, rotary switch in use one
Kind state diagram.
Fig. 6 is a kind of light source module kind for providing in the utility model embodiment 1, rotary switch in use one
Kind state diagram.
Fig. 7 is the circuit connection diagram of nine lamps in a kind of light source module provided in the utility model embodiment 2.
Fig. 8 is a kind of light source module provided in embodiment 2, schematic diagram when using with keyboard membrane body fits.
Description of symbols in figure
Keyboard membrane body 101, optical fiber 102,
Light source module 201, shell 202, rotary switch 203, interface 204, for plug 205,
Cylindrical knob 301, contact 302, major joint 303, main contacts 304, sub-joint 305, auxiliary contact 1, pair touching
Point 2 307, auxiliary contact 3 308, rotary switch 1, rotary switch 2 310, rotary switch 3 311,
Lamp 1, lamp 2 402, lamp 3 403,
Blue LED lamp 501, white LED lamp 502, red LED lamp 503.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
Embodiment 1
As shown in Figures 1 and 2, a kind of light source module 201, including shell 202 and rotary switch are present embodiments provided
203, the shell 202 is rectangular parallelepiped structure or cylindrical structure, is provided with internal cavities in shell 202, sets in internal cavities
It is equipped with light source；One end of shell 202 is provided with the interface 204 for connecting optical fiber 102, interface 204 and the internal sky
Chamber is connected；In actual use, optical fiber 102 is embedded in keyboard membrane body 101, and one end of optical fiber 102 from
Extend out in keyboard membrane body 101, as shown in Fig. 2, and be connected in the interface 204, thus realize optical fiber 102 with
The connection of light source, the optical fiber 102 preferentially use entirely lighting optical fiber, and light caused by light source enters entirely lighting light
After fibre, light can be along entirely lighting optical fiber length direction homogenous diffusion, to realize the function to keyboard illumination；Shell 202
The other end is provided with for plug 205, is connected (electric connection) for plug 205 with the light source, can be inserted in for plug 205
On power supply, to be light source power supply；The rotary switch 203 is set to the shell 202, when using this light source module 201,
User to realize the adjusting to light-source brightness, and then can change optical fiber 102 by adjusting knob switch 203
The brightness of illuminated keyboard；The brightness that keyboard membrane body 101 can be adjusted according to the power difference of ambient light convenient for user, makes
Keyboard membrane body 101 using it is more flexible, conveniently, hommization, it is possible to prevente effectively from there is the too strong or excessively dark drawback of light,
Good illuminating effect can also not be had while reducing energy consumption.
In the present embodiment, two-wire plug can be used for plug 205, USB plug can also be used；Especially work as confession
When plug 205 is USB plug, this light source module 201 can be directly inserted on computer or use in charger baby, very side
Just.
Preferably, the light source in this light source module 201 includes at least two lamps, and the lamp passes through conductor in parallel in institute respectively
It states for plug 205, and constitutes current supply circuit, the rotary switch 203 is set to the current supply circuit, and for controlling by point
The number of bright lamp lights number by change lamp, can achieve the purpose for adjusting brightness, when all lamps are non-lit up,
This light source module 201 does not work, provides the function of illumination to lose for keyboard, is particularly suitable for the preferable field of the light such as daytime
It closes.
In the present embodiment, if rotary switch 203 includes cylindrical knob 301, is set to around cylindrical knob 301
Dry auxiliary contact and a main contacts 304 and with the same number of several sub-joints 305 of auxiliary contact and a major joint 303, respectively
Auxiliary contact is electrically connected with corresponding sub-joint 305 respectively, and main contacts 304 is electrically connected with major joint 303；Wherein, the cylinder
The lateral surface of knob 301 is provided with one section of arc Contact piece 302, the auxiliary contact and main contacts 304 and the cylindrical knob 301
The distance between respectively equal to contact 302 thickness, user can be manually rotated the cylindrical knob 301, and pass through rotation
The adjustable main contacts 304 of cylindrical knob 301 is connected to the number of auxiliary contact, i.e., during rotation, each auxiliary contact can be with
It passes sequentially through contact 302 and is connected to or disconnects with main contacts 304, so that change lamp in this light source module 201 lights number, finally
Realize the adjusting to backlight illumination in keyboard membrane.
In the present embodiment, contact 302, main contacts 304 and auxiliary contact are made of copper., so as to preferably conductive.
As shown in figure 3, the light source in light source module 201 includes three in a kind of preferred embodiment provided by the present embodiment
A lamp and a rotary switch 203, rotary switch 203 include three sub-joints 305 and a major joint 303, major joint
303 are connected by conducting wire with for plug 205, and sub-joint 305 is connected by conducting wire with three lamps respectively, three lamps difference
It is connected to the plug by conducting wire, to constitute current supply circuit.
For ease of description, shown three lamps are respectively lamp 1, lamp 2 402 and lamp 3 403, the rotary switch 203
In, three auxiliary contacts being connected with three sub-joints 305 are respectively auxiliary contact 1, auxiliary contact 2 307 and auxiliary contact three
308；As shown in figure 3, when light is preferable, the contact 302 when not needing using this light source module 201, in the rotary switch 203
At the position for not contacting any auxiliary contact, at this point, three lamps are in OFF state；When dark, user can be with
The rotary switch 203 (direction of rotation can be as shown in dotted line with the arrow in figure) is rotated, so that auxiliary contact 1 and main touching
Point 304 is connected to by contact 302, as shown in figure 4, brightness is lower at this point, lamp 1 is lit, is imitated with certain illumination
Fruit；When light is darker, user can further rotate the rotary switch 203 (direction of rotation can be as with the arrow in figure
Shown in dotted line) so that auxiliary contact 1 and auxiliary contact 2 307 are connected to main contacts 304 by contact 302, as shown in figure 5,
At this point, lamp 1 and lamp 2 402 are lit, brightness is higher, and illuminating effect is more preferable；When light is most dark, user can also be into
One step rotates the rotary switch 203 (direction of rotation can be as shown in dotted line with the arrow in figure), so that auxiliary contact 1,
Auxiliary contact 2 307 and auxiliary contact 3 308 are connected to main contacts 304 by contact 302, as shown in fig. 6, at this point, lamp 1,
Lamp 2 402 and lamp 3 403 are lit, brightness highest, and illuminating effect is best；When customer reverse rotates the rotary switch
When 203, brightness of illumination is gradually decreased, until three lamps all extinguish, which is not described herein again.
It is appreciated that when the lamp of other numbers is arranged in this light source module 201, it may have identical effect, here not
It enumerates again.
Preferably in scheme, the lamp can be incandescent lamp or LED light.
It is appreciated that usually also need that transformer is arranged in this light source module 201 for voltage needed for adaptation light source, and
And when light source is LED, usually also needing that driving circuit is arranged, on the one hand, these technologies are not the emphasis of the utility model,
On the other hand, these technologies are all existing common technologies, and what those skilled in the art can be convenient is configured, here not
It repeats again.
Embodiment 2
The present embodiment 2 and the main distinction of above-described embodiment 1 are, in the light source module 201 provided by the present embodiment,
The light source may include the different lamp of multiple luminescent colors.
For example, as shown in fig. 7, the light source in light source module 201 includes nine LED light, institute in a kind of preferably scheme
It states nine LED light to be arranged according to 3x3 two-dimensional array mode, it is preferable that nine LED light can be set in a substrate plate, lead to
It crosses substrate to be fixed, substrate can be fixed in the internal cavities of this light source module 201；Wherein, three LED light of the first row
It can be respectively blue LED lamp 501, for generating Blue backlight light, three LED light of the second row are respectively white LED lamp
502, for generating white backlight light, three LED light of the third line are respectively red LED lamp 503, for generating red backlight
Light passes through conductor in parallel in described for plug 205 with three LED light in a line respectively, and passes through a knob respectively
Switch 203 control lights number with three LED light in a line.
Specifically as shown in 7 figures, in the present embodiment, LED light in corresponding three rows is controlled by three rotary switches 203 respectively
Light number, for ease of description, three rotary switches 203 can be respectively rotary switch 1, rotary switch 2 310 with
And rotary switch 3 311, rotary switch 1 are set in the circuit of three LED light of the first row, rotary switch 2 310 is set
It is placed in the circuit of three LED light of the second row, rotary switch 3 311 is set in the circuit of three LED light of the third line；With
Family can arbitrarily replace backlight color, such as need blue background light, close rotary switch 2 310 and rotary switch 3 311, open
Rotary switch 1, it is very convenient；Meanwhile the brightness of the adjustable backlight of user, corresponding rotation need to be only rotated at this time
Button switch 203, in addition, this light source module 201 can also generate color background light, at this point, user need to only open two or two
A above rotary switch 203 not only can be with for example, user opens simultaneously rotary switch 1, rotary switch 3 311
The brightness of illumination is further enhanced, and can produce the mixed light of two kinds of colors of blue light and feux rouges, can satisfy different user
Needs, the scope of application is wider.
Further, it is additionally provided with heat release hole and peep hole on the shell 202 in this light source module 201, heat release hole is main
For radiating, lens are provided in peep hole, peep hole observes the situation inside shell 202 convenient for user, such as whether there is light source
Damage etc..
Embodiment 3
A kind of keyboard membrane, including keyboard membrane body 101, optical fiber 102 and light source module described in embodiment 1 201
Or light source module 201 as described in example 2；For example, as shown, optical fiber 102 is embedded in keyboard membrane body 101, light
Keyboard membrane body 101 is extended in the one end for leading fiber 102, and is connected with the interface 204 in the light source module 201；Make
Used time, keyboard membrane body 101 can be covered on keyboard, for that can light light source module 201 by adjusting knob switch 203
Internal light source, optical fiber 102 can collect light caused by light source, and make light along the length side of optical fiber 102
It goes out to homogenous diffusion, to realize the illumination functions to keyboard；In addition, user can also be according to actual needs by adjusting rotation
Button switch 203 adjusts brightness or color of light of illumination etc., very convenient, humanized.
It is appreciated that keyboard membrane commonly used in the prior art can also be used in keyboard membrane body 101, which is not described herein again.
It is appreciated that the number of optical fiber 102 can be one or more, and optical fiber 102 is in keyboard membrane body
Arrangement in 101, can according to the actual situation depending on, which is not described herein again.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of light source module, which is characterized in that including shell and rotary switch, the shell is rectangular parallelepiped structure or cylinder
Structure is provided with internal cavities in shell, light source is provided in the internal cavities, one end of the shell is provided with for connecting
The interface of optical fiber is connect, the interface is connected with the internal cavities, and the other end of the shell is provided with for plug,
It is connected for plug with the light source, is used to be light source power supply for plug；The rotary switch is set to the shell, knob
Switch the brightness for adjusting light source.
2. light source module according to claim 1, which is characterized in that the light source includes at least two lamps, the lamp point
Not Tong Guo conductor in parallel in described for plug, and constitute current supply circuit, the rotary switch is set to the current supply circuit, and
For controlling the number for the lamp being lit.
3. light source module according to claim 2, which is characterized in that the rotary switch includes cylindrical knob, setting
Several auxiliary contacts and a main contacts around cylindrical knob and with the same number of several sub-joints of auxiliary contact and one
A major joint, each auxiliary contact are electrically connected with corresponding sub-joint respectively, and main contacts is electrically connected with major joint；The auxiliary contact and master
Contact is in contact with the lateral surface of the cylindrical knob respectively, and the lateral surface of the cylinder knob is provided with one section of arc touching
Piece adjusts the number that main contacts is connected to auxiliary contact by rotational circle cylindricality knob.
4. light source module according to claim 3, which is characterized in that the contact, main contacts and auxiliary contact are by copper
It is made.
5. light source module according to claim 4, which is characterized in that the light source includes three lamps and a knob
Switch, the rotary switch include three sub-joints and a major joint, and the major joint passes through conducting wire and described for plug
It is connected, the sub-joint passes through conducting wire respectively and is connected with three lamps, and three lamps pass through respectively described in conducting wire is connected to
For plug.
6. light source module according to claim 4, which is characterized in that the lamp can be incandescent lamp or LED light.
7. light source module according to claim 6, which is characterized in that the light source includes that multiple luminescent colors are different
Lamp.
8. light source module according to claim 7, which is characterized in that the light source include nine LED light, described nine
LED light is arranged according to 3x3 two-dimensional array mode, wherein three LED light of the first row be blue LED lamp, three of the second row
LED light is white LED lamp, and three LED light of the third line are red LED lamp, passes through conducting wire respectively with three LED light in a line
It is parallel to described for plug, and number is lighted with three LED light in a line by the control of rotary switch respectively.
9. -8 any light source module according to claim 1, which is characterized in that it is described for plug be two-wire plug or
USB plug.
10. a kind of keyboard membrane, which is characterized in that including keyboard membrane body, optical fiber and any light of claim 1-9
Source module, the optical fiber are embedded in the keyboard membrane body, and keyboard membrane body is extended in one end of optical fiber, and with
Interface in the light source module is connected, and keyboard membrane body is used for overlay keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262601.XU CN208365346U (en) | 2018-08-07 | 2018-08-07 | A kind of light source module and keyboard membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262601.XU CN208365346U (en) | 2018-08-07 | 2018-08-07 | A kind of light source module and keyboard membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208365346U true CN208365346U (en) | 2019-01-11 |
Family
ID=64924030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821262601.XU Active CN208365346U (en) | 2018-08-07 | 2018-08-07 | A kind of light source module and keyboard membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208365346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758454A (en) * | 2018-08-07 | 2018-11-06 | 安徽信息工程学院 | A kind of light source module and keyboard membrane for keyboard membrane |
-
2018
- 2018-08-07 CN CN201821262601.XU patent/CN208365346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758454A (en) * | 2018-08-07 | 2018-11-06 | 安徽信息工程学院 | A kind of light source module and keyboard membrane for keyboard membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Minhui technology material Co.,Ltd. Assignor: ANHUI INSTITUTE OF INFORMATION TECHNOLOGY Contract record no.: X2022980005790 Denomination of utility model: A light source module and keyboard film Granted publication date: 20190111 License type: Common License Record date: 20220523 |
|
| EE01 | Entry into force of recordation of patent licensing contract |