CN213783635U - Plane light-emitting lamp block integrated with induction electrode and human-computer interaction system applying same - Google Patents
Plane light-emitting lamp block integrated with induction electrode and human-computer interaction system applying same Download PDFInfo
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- CN213783635U CN213783635U CN202022310771.4U CN202022310771U CN213783635U CN 213783635 U CN213783635 U CN 213783635U CN 202022310771 U CN202022310771 U CN 202022310771U CN 213783635 U CN213783635 U CN 213783635U
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- 230000003993 interaction Effects 0.000 title claims abstract description 12
- 230000006698 induction Effects 0.000 title claims description 43
- 239000002184 metal Substances 0.000 claims abstract description 36
- 230000004044 response Effects 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000005286 illumination Methods 0.000 claims description 8
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an integrated response electrode's plane luminescent lamp piece and use its human-computer interaction system, wherein, integrated response electrode's plane luminescent lamp piece includes that light-emitting component installs in printed circuit board assembly's upper surface one side, metal response electrode unit mount is at printed circuit board assembly's lower surface, light guide plate unit mount is in printed circuit board assembly top, light guide plate unit, light-emitting component, printed circuit board assembly and metal response electrode unit all inlay in the reflection base. The utility model discloses a plane luminescent lamp piece of integrated response electrode, through the human touch button of metal response electrode subassembly response, provide the light source through light-emitting component, and then can derive the light source through the light guide plate subassembly, can reflect the light source through printed circuit board subassembly's surface again, strengthen luminous luminance to realize that luminous region and touch region do not influence each other, can realize jumbo size touch and jumbo size luminous icon, simple structure, low cost.
Description
Technical Field
The utility model belongs to the technical field of electronic equipment's touch key, concretely relates to plane luminescent lamp piece of integrated response electrode and use its human-computer interaction system.
Background
The existing luminous icon generally adopts a mode of combining an LED lamp and a touch spring to realize touch operation, namely, the touch spring is arranged under the luminous icon, the LED lamp is arranged in the middle of the touch spring, the touch spring is pressed against the back of a face shell to form an induction electrode, and a light source of the LED lamp shines through a light-transmitting area of the face shell icon.
However, the above-mentioned luminous icon has the following disadvantages: 1. when the inner diameter of the spring is too large, the middle vacant position cannot realize touch or touch insensitivity due to no induction electrode; 2. the spring is positioned above the light source, and if the illumination area is larger and the inner diameter of the spring is too small, the light-emitting area can be shielded.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an integrated response electrode's plane luminescent light piece realizes that luminous region and touch area do not influence each other, can realize jumbo size touch and jumbo size luminous icon, simple structure, low cost.
Another object of the present invention is to provide a human-computer interaction system.
The utility model adopts the technical proposal that:
the utility model provides an integrated response electrode's plane luminescent lamp piece, includes light guide plate subassembly, light-emitting component, printed circuit board subassembly, metal response electrode subassembly and the reflection base that has the surface reflection function, light-emitting component installs in printed circuit board subassembly's upper surface one side, metal response electrode subassembly is installed at printed circuit board subassembly's lower surface, light guide plate unit mount is in printed circuit board subassembly top, light guide plate subassembly, light-emitting component, printed circuit board subassembly and metal response electrode subassembly are all inlayed in the reflection base.
Preferably, the first conductive pin and the second conductive pin which are arranged on the light emitting assembly are connected with the printed circuit board assembly and penetrate through the reflection base to form a positive conductive pin and a negative conductive pin respectively, and the third conductive pin which is arranged on the printed circuit board assembly is connected with the metal sensing electrode assembly and penetrates through the reflection base to form a touch sensing area conductive pin.
Preferably, the printed circuit board assembly is a double-sided board, and a reflective film is attached to the upper surface of the printed circuit board assembly.
Preferably, the light emitting assembly comprises at least one LED light tube.
Preferably, one side of the light guide plate assembly is provided with an entrance port, and the position of the entrance port corresponds to the position of the light emitting assembly.
Preferably, the reflection base is a cover-free box body, and a hollow guide column for inserting the positive conductive needle, the negative conductive needle and the touch sensing area conductive needle is arranged at the bottom of the reflection base.
Preferably, the light guide plate assembly is made of a transparent material, and the upper surface, the lower surface and the periphery of the light guide plate assembly are smooth.
Preferably, the lower surface of the light guide plate assembly is provided with silk screen printing.
Preferably, the lower surface of the light guide plate assembly is dotted by laser to form dot matrixes with different densities or different sizes.
The utility model discloses a another technical scheme is realized like this:
a man-machine interaction system comprises a planar light-emitting lamp block integrated with an induction electrode and a control module, wherein the control module comprises an illumination driving unit and a touch monitoring unit, the illumination driving unit is electrically connected with a light-emitting assembly, and the touch monitoring unit is electrically connected with a metal induction electrode assembly.
Compared with the prior art, the planar light-emitting lamp block integrated with the induction electrode of the utility model forms a capacitance effect with a human finger when being touched through the metal induction electrode assembly, and the human finger presses the metal induction electrode assembly to cause the change of the induction capacitance capacity and then is detected and sensed by the touch chip, thereby achieving the purpose of controlling the planar light-emitting lamp block integrated with the induction electrode; the light source is provided through the light emitting component, so that the light source can be led out through the light guide plate component, the light source can be reflected through the surface of the printed circuit board component, the brightness of the light emitting is enhanced, the light emitting area and the touch area are not affected with each other, large-size touch and large-size light emitting icons can be realized, the structure is simple, and the cost is low.
Drawings
Fig. 1 is a schematic structural diagram of a planar light-emitting lamp block integrated with an induction electrode according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a human-computer interaction system provided in embodiment 2 of the present invention.
Description of the reference numerals
The system comprises a light guide plate assembly, a light emitting assembly, a printed circuit board assembly, a 4-metal induction electrode assembly, a 5-reflection base, a 6-control module, a 61-lighting driving unit and a 62-touch monitoring unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment 1 of the utility model provides a planar luminescent lamp piece of integrated response electrode, as shown in fig. 1, including light guide plate subassembly 1, light-emitting component 2, printed circuit board subassembly 3, metal response electrode subassembly 4 and the reflection base 5 that has the surface reflection function, light-emitting component 2 installs in printed circuit board subassembly 3's upper surface one side, the lower surface at printed circuit board subassembly 3 is installed to metal response electrode subassembly 4, light guide plate subassembly 1 is installed in printed circuit board subassembly 3 top, light guide plate subassembly 1, light-emitting component 2, printed circuit board subassembly 3 and metal response electrode subassembly 4 all inlay in reflection base 5.
In this way, a capacitance effect is formed by the metal induction electrode assembly 4 and a human finger when the metal induction electrode assembly 4 is touched, and the human finger presses the metal induction electrode assembly 4 to cause the change of the capacitance of the induction capacitor and then is detected and sensed by the touch chip, so that the aim of controlling the planar light-emitting lamp block integrated with the induction electrode is fulfilled; the light source is provided through the light emitting component on the printed circuit board component 3, so that the light source can be guided out through the light guide plate component 1, the light source can be reflected through the surface of the printed circuit board component 3, the light emitting brightness is enhanced, the light emitting area and the touch area are not affected with each other, large-size touch and large-size light emitting icons can be realized, the structure is simple, and the cost is low.
The light-emitting component 2 is provided with a first conductive needle and a second conductive needle which are connected with the printed circuit board component 3 and penetrate out of the reflection base 5 to form a positive conductive needle and a negative conductive needle respectively, and the printed circuit board component 3 is provided with a third conductive needle which is connected with the metal induction electrode component 4 and penetrates out of the reflection base 5 to form a touch induction area conductive needle.
Thus, the light-emitting component 2 is provided with a first conductive pin and a second conductive pin which are connected with the printed circuit board component 3 and penetrate out of the reflection base 5 to form a positive conductive pin and a negative conductive pin respectively, the positive conductive pin and the negative conductive pin are electrically connected with the control module, and the control module sends an instruction to control the light-emitting component to emit light; the printed circuit board assembly 3 is provided with a third conductive pin which is connected with the metal induction electrode assembly 4 and penetrates out of the reflection base 5 to form a touch induction area conductive pin, and the touch induction area conductive pin is electrically connected with the control module, so that the control module receives instruction information transmitted by the touch induction area conductive pin.
The printed circuit board assembly 3 is a double-sided board, and a reflective film is attached to the upper surface of the printed circuit board assembly 3.
Thus, the light emitted from the light emitting element 2 is reflected strongly by the reflective film on the upper surface of the printed circuit board assembly 3, and the light emission luminance is enhanced.
The light emitting component comprises at least one LED.
Therefore, the light-emitting component is an LED (light-emitting diode), such as a surface-mounted LED, so that a good light source can be provided for a large-size touch pattern. Meanwhile, the number of the light emitting assemblies comprises at least one, and the more the number is, the more light sources can be provided for the large-size touch pattern.
And an incident port is arranged on one side of the light guide plate component 1, and the position of the incident port corresponds to that of the light emitting component 2.
Like this, one side through light guide plate subassembly 1 is equipped with the entrance, the position of entrance corresponds with light-emitting component 2's position to be convenient for light-emitting component 2's light source to penetrate light guide plate subassembly 1 and printed circuit board subassembly 3 surface, form diffuse reflection through the coarse dot matrix in light guide plate subassembly 1 bottom surface, follow the upper surface and jet out, reflection film reflection light through printed circuit board subassembly 3 surface, thereby make the pointolite form even area source.
The reflection base 5 is a cover-free box body, and the bottom of the reflection base 5 is provided with a hollow guide column for inserting a positive conductive needle, a negative conductive needle and a touch induction area conductive needle.
Thus, the reflection base 5 is a cover-free box body, so that the light guide plate assembly 1, the light emitting assembly 2, the printed circuit board assembly 3 and the metal induction electrode assembly 4 are all embedded in the reflection base 5, the periphery of the light guide plate assembly 1 is surrounded by the peripheral protruded edges around the reflection base 5, and light rays can not be emitted from the bottom and the periphery of the reflection base 5. Meanwhile, the bottom of the reflection base 5 is provided with a hollow guide column for inserting the positive conductive needle, the negative conductive needle and the touch sensing area conductive needle, so that the positive conductive needle, the negative conductive needle and the touch sensing area conductive needle respectively penetrate out of the hollow guide column to form corresponding welding electrodes.
The light guide plate assembly 1 is made of transparent materials, and the upper surface, the lower surface and the periphery of the light guide plate assembly are smooth.
Thus, the light guide plate assembly 1 is made of a transparent material, such as plastic, so that the light source of the light emitting assembly can be transmitted; the upper surface and the lower surface of the light guide plate component 1 and the periphery of the light guide plate component are smooth, so that the light guide plate component is more convenient for people to touch fingers and provides better touch experience for the people to control the fingers.
And the lower surface of the light guide plate component 1 is provided with silk screen printing.
Like this, the lower surface of light guide plate subassembly 1 is equipped with the silk screen printing to play the effect of dodging, thereby make light emitting component's light source follow the clearance of nonmetal panel fretwork pattern and jet out, the user of being convenient for watches.
The lower surface of the light guide plate component 1 is dotted by laser to form dot matrixes with different densities or sizes.
Like this, the lower surface of light guide plate subassembly 1 is got ready through the laser and is formed the dot matrix of different density or equidimension to play even light effect, thereby make light emitting component's light source follow the clearance of nonmetal panel fretwork pattern and jet out, the user of being convenient for watches.
The reflecting film on the upper surface of the printed circuit board component 3, the light guide plate component 1 of the light-emitting component 2 and the peripheral protruding edge of the reflecting base 5 are surrounded to form a uniform high-luminous-efficiency plane light source; the lower layer circuit of the printed circuit board assembly 3 forms a metal induction electrode assembly 4 through etching processing, a large-area induction electrode can be formed, the shape is indefinite, a larger relative area is formed with a finger during key operation, a large-area touch area is realized, and the touch sensitivity is higher.
The working principle is as follows:
the realization principle of the plane light source is as follows: the light emitting component 2(LED luminotron) generates a point light source after being electrified, light rays are emitted from an incident port of the light guide plate 1, the light rays are reflected or totally reflected in the light guide plate component 1, the light rays are prevented from being emitted from the side surface or the bottom surface of the reflecting base 5, diffuse reflection can be carried out only through a silk-screen or rough dot matrix on the lower surface of the light guide plate component 1, and the light rays are emitted from the upper surface of the light guide plate component 1, so that the point light source forms a uniform surface light source; meanwhile, the reflection of light is enhanced by the printed circuit board assembly 3 having a surface reflection function.
The realization principle of touch sensing is as follows: the metal induction electrode assembly 4 is used as a polar plate of the induction capacitor and is electrically connected with the touch chip. When a human finger presses a pattern position on the panel, the finger serves as another polar plate to form a capacitance effect with the metal induction electrode assembly 4, the light guide plate 1 and the nonmetal panel of the device serve as a medium between two polar plates of a capacitor, the pressing action of the finger causes the capacitance change of the induction capacitor, the sensing is detected by the control module (touch chip), and the control module performs corresponding processing to realize a human-computer interaction process.
The utility model discloses a plane luminescent lamp piece of integrated response electrode forms the electric capacity effect through metal response electrode subassembly and people's finger when touching, and people's finger presses metal response electrode subassembly and arouses that the response capacitance capacity changes after being detected the perception by the touch-control chip, and then reaches the purpose of controlling the plane luminescent lamp piece of integrated response electrode; the light source is provided through the light emitting component, so that the light source can be led out through the light guide plate component, the light source can be reflected through the surface of the printed circuit board component, the brightness of the light emitting is enhanced, the light emitting area and the touch area are not affected with each other, large-size touch and large-size light emitting icons can be realized, the structure is simple, and the cost is low.
Example 2
As shown in fig. 2, embodiment 2 of the present invention provides a human-computer interaction system, including the planar light-emitting lamp block and the control module 6 of the integrated sensing electrode, the control module 6 includes the lighting driving unit 61 and the touch monitoring unit 62, the lighting driving unit 61 is electrically connected to the light-emitting component 2, the touch monitoring unit 62 is electrically connected to the metal sensing electrode component 4.
In this way, the lighting driving unit 61 is electrically connected to the welding electrode of the light emitting device 2, the touch monitoring unit 62 is electrically connected to the welding electrode of the metal induction electrode device 4, the lighting driving unit 61 controls the light emitting device 2 to emit light for illumination, and the touch monitoring unit 62 receives touch information sent by the metal induction electrode device 4, so as to control the internal device.
The planar light-emitting lamp block with one or more integrated induction electrodes is assembled on the back of an operation panel of the electronic equipment or the household appliance and is connected with the control module 6 through electrical connection, the control module 6 can realize large-area pattern illumination on the operation panel through the illumination driving unit 61, the touch monitoring unit 62 can sense touch actions of a user, and the human-computer interaction of the electronic equipment or the household appliance can be realized by combining with the logic control of the processor.
The man-machine interaction system of the utility model controls the light-emitting component on the printed circuit board to emit light through the lighting driving unit, receives touch information sent by the metal induction electrode component through the touch monitoring unit, forms capacitance effect through the metal induction electrode component and a human finger when touching, and the human finger presses the metal induction electrode component to cause the change of the induction capacitance capacity and then is detected and sensed by the touch monitoring unit, thereby achieving the purpose of controlling the plane light-emitting lamp block of the integrated induction electrode; the light source is provided through the light emitting component, so that the light source can be led out through the light guide plate component, the light source can be reflected through the surface of the printed circuit board component, the brightness of the light emitting is enhanced, the light emitting area and the touch area are not affected with each other, large-size touch and large-size light emitting icons can be realized, the structure is simple, and the cost is low.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an integrated response electrode's plane luminescent lamp piece, its characterized in that, includes light guide plate subassembly (1), light-emitting component (2), printed circuit board subassembly (3), metal response electrode subassembly (4) and reflection base (5) that have the surface reflection function, light-emitting component (2) are installed in upper surface one side of printed circuit board subassembly (3), the lower surface at printed circuit board subassembly (3) is installed in metal response electrode subassembly (4), install in printed circuit board subassembly (3) top light guide plate subassembly (1), light-emitting component (2), printed circuit board subassembly (3) and metal response electrode subassembly (4) are all inlayed in reflection base (5).
2. The planar light emitting lamp module with integrated sensing electrode as claimed in claim 1, wherein the first conductive pin and the second conductive pin disposed on the light emitting assembly (2) are connected to the printed circuit board assembly (3) and penetrate through the reflective base (5) to form a positive conductive pin and a negative conductive pin, respectively, and the third conductive pin disposed on the printed circuit board assembly (3) is connected to the metal sensing electrode assembly (4) and penetrates through the reflective base (5) to form a touch sensing area conductive pin.
3. The planar light-emitting lamp block with integrated sensing electrode as claimed in claim 1 or 2, wherein the printed circuit board assembly (3) is a double-sided board, and a reflective film is attached to the upper surface of the printed circuit board assembly (3).
4. The planar light emitting lamp block integrated with the induction electrode as claimed in claim 1 or 2, wherein the light emitting assembly (2) comprises at least one LED light emitting tube.
5. The planar light-emitting lamp block with integrated induction electrode as claimed in claim 1 or 2, wherein one side of the light guide plate assembly (1) is provided with an entrance port, and the position of the entrance port corresponds to the position of the light-emitting assembly (2).
6. The planar light-emitting lamp block with the integrated sensing electrode as claimed in claim 2, wherein the reflecting base (5) is a case without a cover, and the bottom of the reflecting base (5) is provided with a hollow guiding column for inserting the positive conductive pin, the negative conductive pin and the touch sensing area conductive pin.
7. The planar light-emitting lamp block with integrated sensing electrode as claimed in claim 1 or 2, wherein the light guide plate assembly (1) is made of transparent material, and the upper and lower surfaces and the periphery thereof are smooth.
8. The planar light emitting lamp block with integrated sensing electrode as claimed in claim 1 or 2, wherein the lower surface of the light guide plate assembly (1) is provided with silk screen.
9. The planar light-emitting lamp block with integrated induction electrodes as claimed in claim 1 or 2, wherein the lower surface of the light guide plate assembly (1) is dotted by laser to form a lattice of different densities or sizes.
10. A human-computer interaction system, comprising the planar light-emitting lamp block integrated with the sensing electrode and a control module (6) as claimed in any one of claims 1 to 9, wherein the control module (6) comprises an illumination driving unit (61) and a touch monitoring unit (62), the illumination driving unit (61) is electrically connected with the light-emitting assembly (2), and the touch monitoring unit (62) is electrically connected with the metal sensing electrode assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310771.4U CN213783635U (en) | 2020-10-16 | 2020-10-16 | Plane light-emitting lamp block integrated with induction electrode and human-computer interaction system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310771.4U CN213783635U (en) | 2020-10-16 | 2020-10-16 | Plane light-emitting lamp block integrated with induction electrode and human-computer interaction system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213783635U true CN213783635U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022310771.4U Active CN213783635U (en) | 2020-10-16 | 2020-10-16 | Plane light-emitting lamp block integrated with induction electrode and human-computer interaction system applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213783635U (en) |
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2020
- 2020-10-16 CN CN202022310771.4U patent/CN213783635U/en active Active
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