CN208240007U - metal touch device - Google Patents
metal touch device Download PDFInfo
- Publication number
- CN208240007U CN208240007U CN201820937766.6U CN201820937766U CN208240007U CN 208240007 U CN208240007 U CN 208240007U CN 201820937766 U CN201820937766 U CN 201820937766U CN 208240007 U CN208240007 U CN 208240007U
- Authority
- CN
- China
- Prior art keywords
- metal
- circuit board
- flexible circuit
- decking
- touch device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 153
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 153
- 239000000853 adhesive Substances 0.000 claims abstract description 33
- 230000001070 adhesive effect Effects 0.000 claims abstract description 33
- 239000011810 insulating material Substances 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 16
- 239000011889 copper foil Substances 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 7
- 235000015110 jellies Nutrition 0.000 claims description 6
- 239000008274 jelly Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 31
- 230000008859 change Effects 0.000 abstract description 25
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000036760 body temperature Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000005684 electric field Effects 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003796 beauty Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The utility model provides a kind of metal touch device, the device includes metal decking, insulating materials, conductive metal, capacitive sensing chip and pcb board, insulating materials is arranged between metal decking and conductive metal, form capacitor, conductive metal connects capacitive sensing chip, capacitive sensing chip is connected on pcb board, insulating materials can be flexible circuit board, conductive metal is the conductive metal wire being embedded on flexible circuit board, aperture is provided on metal decking, when human body is close to metal decking, the setting of aperture is so that form field coupling between human body and conductive metal, capacitor capacitance variation, capacitive sensing chip detects capacitance change signal；Insulating materials can also be double-sided adhesive, when human body touch metal decking, there are temperature differences with metal decking temperature for human body temperature, so that double-sided adhesive expands with heat and contract with cold, the thickness of double-sided adhesive changes, the capacitor of capacitor is set to change, capacitive sensing chip detects capacitance change signal, realizes metal touch detection.
Description
Technical field
The utility model relates to controller fields, more particularly, to a kind of metal touch device.
Background technique
Currently, capacitive induction is widely used in touch sensible, and touch material through slot be plastics, ceramics, timber,
The non-conducting materials such as glass, and metal touch panel reliable and stable touch sensible relatively difficult to achieve, reason are that metal surface will
Induction electrode issues electric field line shielding, so that electric field line can not penetrate metal, to be difficult to detect touch.And existing skill
In art, metal decking is pressed by hand, so that metal decking is deformed, capacitor is caused to change, realizes touch detection, still
Metal decking deformation is small, it is desirable that the distance between metal decking and capacitive sensing device are very close, and fit on difficulty is big, it is difficult to measure
It produces.
Utility model content
The main purpose of the utility model is to provide a kind of metal touch device of non-pushed formula.
To realize above-mentioned main purpose, metal touch device provided by the utility model includes metal decking, in metal
The lower surface of panel is provided with flexible circuit board, capacitive sensing chip and pcb board, and capacitive sensing chip is connect with pcb board, flexible
Circuit board is arranged between metal decking and pcb board, and conductive metal wire, conductive metal wire and capacitor are inlaid in flexible circuit board
Induction chip connects, and is provided with aperture, aperture face flexible circuit board on metal decking.
It can be seen that flexible circuit board between metal and conductive metal wire, which forms capacitor, works as human contact
When metal decking, field coupling is formed between human body and conductive metal wire, so that the capacitor that metal and conductive metal wire are formed
Size change, the capacitive sensing chip for connecting conductive metal wire detects capacitance change signal, can control connecting PCB board
Other electronic components work, be provided with opening on metal, the electric field line of conductive metal wire enabled to be pierced by metal decking,
When human body is closer to metal decking, field coupling formation is stronger, and the capacitance change signal that capacitive sensing chip detects is bigger；It should
The structure of touch device is simple, and installs easy to accomplish, uses flexible circuit board as a part of capacitor, amount easy to accomplish
It is at low cost while production.
Further embodiment is that conductive metal wire is arranged in grid.
As it can be seen that in grid setting conductive metal wire can widen electric metal line flexible circuit board oh in distribution,
It is easier to the position of cooperation aperture, so that the field coupling between human body and electric metal line is stronger.
Further embodiment is that the conductive metal wire in flexible circuit board connects conductive pin, axis of the conductive pin towards aperture
To extension.
As it can be seen that the conductive pin of connection conductive metal wire becomes the induction electrode in capacitor, conductive pin extends towards aperture, makes
It obtains conductive pin to be more nearly with human body, capacitance change signal is stronger.
Further embodiment is that insulating materials is filled in the aperture of metal decking.
As it can be seen that fill insulant in the aperture of metal decking avoids human body direct while guaranteeing product appearance beauty
Touch exposed conductive pin.
Further embodiment is that the lower surface of metal decking is additionally arranged at light guide plate, and LED light, LED are provided in light guide plate
Lamp is arranged on pcb board, and light guide plate is arranged between flexible circuit board and pcb board.
As it can be seen that LED light connecting PCB board is sent a control signal to when capacitive sensing chip detects capacitance change signal
On pcb board others electronic component, the LED light of pcb board is driven to open, the success of user's touch-control can be reminded, have turned on electrical appliance.
Further embodiment is that flexible circuit board is translucent flexible circuit board or transparent flexible circuit board.
As it can be seen that the light of LED light can penetrate translucent soft since light guide plate is arranged between flexible circuit board and pcb board
Property circuit board.
Further embodiment is that uniform light film is provided between metal decking and flexible circuit board.
As it can be seen that making user be not easy to find out under aperture since flexible circuit board is arranged between uniform light film and light guide plate
The flexible circuit board on surface enhances visual effect.
To realize above-mentioned main purpose, metal touch device provided by the utility model, including metal decking, metal covering
The lower surface of plate is provided with adhesive insulation layer, conductive metal sheet, capacitive sensing chip and pcb board, adhesive insulation layer and is bonded in
Between metal decking and conductive metal sheet, adhesive insulation layer is jelly, and conductive metal sheet connects capacitive sensing chip, capacitor sense
Chip is answered to be connected on pcb board.
It can be seen that being provided with adhesive insulation layer between metal decking and conductive metal sheet, which forms capacitor, when
When human body touch metal decking, it is cold that the temperature difference formed between human body temperature and metal temperature makes adhesive insulation layer that heat expansion occur
The phenomenon that contracting, adhesive insulation layer are jelly, and the thermal expansion and contraction of jelly is more obvious, and the thickness of adhesive insulation layer occurs
Variation, so that the capacitor that metal decking is formed with conductive metal sheet changes, connects the torch induction chip of conductive metal sheet
Detect capacitance change signal, to realize the touch detection of metal, the structure of the metal touch device is simple, it is easily installed,
It is not necessary that component is further processed, component costs are low, easily realization volume production.
Further embodiment is that adhesive insulation layer is double-sided adhesive.
As it can be seen that double-sided adhesive is cheap, so that the touch device low manufacture cost.
Further embodiment is that conductive metal sheet is copper foil.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model metal touch device embodiment one.
Fig. 2 is the sectional view of the utility model metal touch device embodiment one.
Fig. 3 is the sectional view of the utility model metal touch device embodiment two.
Fig. 4 is the change curve of the capacitor output size of the utility model metal touch device embodiment two.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
The metal touch device of the utility model is applied in the controller of electrical appliance, such as soft-touch control；Metal touch-control dress
Capacitor is provided in setting, which includes metal decking, metal electrode and insulating materials between the two, the capacitor
Capacitive sensing chip is connected, when human contact's metal decking, the capacitance variations of the capacitor in touch device, capacitive sensing core
Piece is used for the capacitance change signal of sensing capacitor, to realize the touch detection of metal decking.
Embodiment one: referring to Fig. 1 and Fig. 2, the metal touch device of the utility model includes metal decking 1, flexible circuit
Plate 2, capacitive sensing chip 5 and pcb board 4, the lower surface of metal decking 1 are disposed with flexible circuit board 2 and pcb board 4.It is soft
Property circuit board 2 be arranged between metal decking 1 and pcb board 4, flexible circuit board 2 is welded on pcb board 4.
Conductive metal wire 3 is inlaid in flexible circuit board 2, conductive metal wire copper wire 3 is distributed in grid, in the present embodiment
In, conductive metal wire is copper wire.
Capacitive sensing chip 5 is connected on pcb board 4.Copper wire 3 is connect with capacitive sensing chip 5, is convenient for capacitive sensing chip
5 detection capacitance change signals.
Aperture 10,10 face flexible circuit board 2 of aperture are provided on metal decking 1.
Flexible circuit board 2 between metal decking 1 and copper wire 3, the structure form capacitor, and wherein metal decking 1 is it
One electrode, copper wire 3 are another electrode, and the insulating materials between two electrodes is electricity made of the plastic base of flexible circuit board 2
Road plate.When human contact's metal decking 1, field coupling is formed between the copper wire 3 in human body and the capacitor, so that capacitor
Capacitance size change, the capacitive sensing chip 5 of connection copper wire 3 detects capacitance change signal, capacitive sensing chip 5 to
Outer output capacitance variable signal, the control module in electrical appliance drives electrical appliance work according to this capacitance change signal, thus real
The touch detection that cash belongs to is provided with opening on metal decking 1, so that metal decking 1 does not reabsorb the electric field line of copper wire 3, copper
The electric field line of line 3 can penetrate out metal decking 1, when human body forms electric field between metal decking 1, the copper wire 3 of human body
Coupling is stronger, and the capacitance change signal that capacitive sensing chip 5 detects is bigger.Copper wire 3 is in grid point in flexible circuit board 2
Cloth widens copper wire 3 in 2 distribution of flexible circuit board, it is easier to cooperate the position of aperture 10, so that between human body and copper wire 3
Field coupling it is stronger.The structure of the touch device is simple, installs easy to accomplish, and component processing is easy to operate, component at
This low, volume production easy to accomplish.
Conductive pin 6 is additionally provided in metal touch device, which connects along the first end of the axial direction of conductive pin 6
Connecing the copper wire 3 in flexible circuit board 2, the second end of conductive pin 6 extends towards aperture 10, in the present embodiment, the of conductive pin 6
Two ends extend in the aperture 10 of metal decking 1.The conductive pin 6 of copper wire 3 is connected as the induction electrode in capacitor, conductive pin
6 towards the axially extending of aperture 10, so that conductive pin 6 is more nearly with human body, capacitance variations are apparent, capacitive sensing chip 5
The capacitive sensing signal that can be sensed is stronger.
It is filled with insulating materials in the aperture 10 of metal decking 1, while guaranteeing product appearance beauty, avoids human body direct
Contact or observe exposed conductive pin 6.
The lower surface of metal decking 1 is additionally arranged at light guide plate 7, and LED light 8 is provided in light guide plate 7, and the setting of LED light 8 exists
On pcb board 4, light guide plate 7 is arranged between flexible circuit board 2 and pcb board 4.LED light 8 is arranged on pcb board 4, when capacitor sense
When chip 5 being answered to detect capacitance change signal, capacitive sensing chip 5 sends the control module of capacitance change signal to electrical appliance
On, control module drives the LED light 8 on pcb board 4 to work, and reminds the success of user's touch-control.Light guide plate 7 is used for the light of LED light 8
Line more evenly, improves the luminance of LED light 8.Flexible circuit board 2 be translucent flexible circuit board or transparent flexible circuit board,
In the present embodiment, due to the flexibility of flexible circuit board 2, the two sides of flexible circuit board 2 can be welded on pcb board 4, so that leading
Tabula rasa 7 is arranged between flexible circuit board 2 and pcb board 4, and the light of LED light 8 can penetrate translucent flexible circuit board.Metal
Uniform light film 9 is provided between panel 1 and flexible circuit board 2, since flexible circuit board 2 is arranged in uniform light film 9 and light guide plate 7
Between, make user be not easy to find out the flexible circuit board 2 of 10 lower surface of aperture, enhances visual effect, and uniform light film 9 can make
The light for penetrating flexible circuit board 2 is more uniform, and user can observe light with 10 hollow part of aperture of metal decking 1, thus
The insulating materials filled in aperture 10 can also be transparent or semitransparent insulating materials, and insulating materials can be AB glue or hot melt adhesive.
Embodiment two: referring to Fig. 3, the metal touch device of the utility model, including metal decking 1, adhesive insulation layer 12,
Conductive metal sheet 11, capacitive sensing chip 5 and pcb board 4,5 connecting PCB board 4 of capacitive sensing chip, adhesive insulation layer are glue
Object.In the present embodiment, conductive metal sheet 11 is copper foil.The lower surface of metal decking 1 is disposed with adhesive insulation layer 12, copper
Foil 11 and pcb board 4, adhesive insulation layer 12 are arranged between metal decking 1 and copper foil 11, and copper foil 11 connects capacitive sensing chip 5.
In the present embodiment, adhesive insulation layer 12 is double-sided adhesive, and double-sided adhesive is cheap, so that the touch device low manufacture cost.It is double
Face glue 12 is Nian Jie with conductive metal sheet by metal decking 1 simultaneously, completes the connection between metal decking and conductive metal sheet.
Double-sided adhesive 12 between metal decking 1 and copper foil 11, double-sided adhesive 12 insulate, and metal decking 1 and copper foil 11 are respectively to feel
Electrode is answered, which forms capacitor, which connects capacitive sensing chip 5.Due to jelly thermal expansion and contraction compared with
To be obvious, and double-sided adhesive has flexibility, and the thermal expansion and contraction of flexible jelly becomes apparent.When human body touch metal covering
When plate 1, human body temperature is transferred on metal decking 1, and the temperature difference formed between human body temperature and metal temperature makes double-sided adhesive
12 there is a phenomenon where expanding with heat and contract with cold, and the thickness of double-sided adhesive 12 changes, so that the capacitor that metal decking 1 and copper foil 11 are formed is sent out
The capacitive sensing chip 5 of changing, connection copper foil 11 detects capacitance change signal, thus realize the touch detection of metal, it should
The structure of metal touch device is simple, is easily installed, and it is not necessary that component is further processed, component costs are low, easily realizes
Volume production.
Referring to fig. 4, transverse axis represents time (time) in Fig. 4, and longitudinal axis represents capacitor output size (ADC
Output), the curve in figure is the growth with the time, the change curve of capacitor output size.Using the touch device
In the process, after hand touches metal decking, there is decline region in the output of capacitor, and the decline of numerical value indicates the increase of capacitor, capacitor
Output numerical value change, so that capacitive sensing chip is able to detect that capacitance change signal.When hand touches metal decking,
Since the temperature of human epidermal temperature and the inside of touch device has differences, transmitted according to heat, so that the temperature of metal decking
Decline, so that the thickness of the double-sided adhesive of binding metal panel becomes smaller, so that the capacitance size of capacitor output changes, hand is de-
After metal decking, at room temperature, double-sided adhesive is gradually recovered, and capacitance size is also gradually recovered.
In the present embodiment, double-sided adhesive 12 can be the double-sided adhesive of Minnesota Mining and Manufacturing Company's production.Alternatively, may be used
One layer of glue is coated in the lower surface of metal decking 1.
Finally it is emphasized that the above is only the preferred embodiment of the present invention, it is not limited to this reality
With novel, for those skilled in the art, the utility model can have various change and change, all in the utility model
Spirit and principle within, any modification, equivalent substitution, improvement and etc. done should be included in the protection model of the utility model
Within enclosing.
Claims (10)
1. metal touch device, including metal decking, it is characterised in that: the lower surface of the metal decking is provided with flexible electrical
Road plate, capacitive sensing chip and pcb board, the capacitive sensing chip are connect with the pcb board, and the flexible circuit board setting exists
Between the metal decking and the pcb board, be inlaid with conductive metal wire in the flexible circuit board, the conductive metal wire with
The capacitive sensing chip connects, and is provided with aperture, flexible circuit board described in the aperture face on the metal decking.
2. metal touch device according to claim 1, it is characterised in that:
The conductive metal wire is arranged in grid.
3. metal touch device according to claim 1, it is characterised in that:
The conductive metal wire in the flexible circuit board connects conductive pin, and the axial direction of the conductive pin towards the aperture is prolonged
It stretches.
4. metal touch device according to claim 3, it is characterised in that:
Insulating materials is filled in the aperture of the metal decking.
5. metal touch device according to any one of claims 1 to 4, it is characterised in that:
The lower surface of the metal decking is additionally arranged at light guide plate, and LED light, the LED light setting are provided in the light guide plate
On the pcb board, the light guide plate is arranged between the flexible circuit board and the pcb board.
6. metal touch device according to claim 5, it is characterised in that:
The flexible circuit board is translucent flexible circuit board or full transparent and soft circuit board.
7. metal touch device according to claim 6, it is characterised in that:
Uniform light film is provided between the metal decking and the flexible circuit board.
8. metal touch device, including metal decking, it is characterised in that: the lower surface setting toughness of the metal decking insulate
Layer, conductive metal sheet, capacitive sensing chip and pcb board, the adhesive insulation layer are bonded in the metal decking and lead with described
Between electric metal piece, the adhesive insulation layer is jelly, and the conductive metal sheet connects the capacitive sensing chip, the electricity
Hold induction chip to be connected on the pcb board.
9. metal touch device according to claim 8, it is characterised in that:
The adhesive insulation layer is double-sided adhesive.
10. metal touch device according to claim 8, it is characterised in that:
The conductive metal sheet is copper foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820937766.6U CN208240007U (en) | 2018-06-15 | 2018-06-15 | metal touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820937766.6U CN208240007U (en) | 2018-06-15 | 2018-06-15 | metal touch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240007U true CN208240007U (en) | 2018-12-14 |
Family
ID=64574399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820937766.6U Active CN208240007U (en) | 2018-06-15 | 2018-06-15 | metal touch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108491118A (en) * | 2018-06-15 | 2018-09-04 | 珠海普林芯驰科技有限公司 | metal touch device |
-
2018
- 2018-06-15 CN CN201820937766.6U patent/CN208240007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108491118A (en) * | 2018-06-15 | 2018-09-04 | 珠海普林芯驰科技有限公司 | metal touch device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI269213B (en) | A capacitor type touch pad using thin film and the process thereof | |
| CN201440650U (en) | Touch control device | |
| CN104168009A (en) | Light-emitting touch-control switch gear and light-emitting touch-control switch module | |
| EP2338228A2 (en) | Sensitive panel | |
| CN105204688A (en) | Touch display device | |
| CN208240007U (en) | metal touch device | |
| CN110297567B (en) | Touch display module, display device and electronic equipment | |
| CN105225613A (en) | Touch LED display and display device | |
| CN108491118A (en) | metal touch device | |
| CN109656428A (en) | Touch panel | |
| CN105700738A (en) | Touch display screen and electronic device | |
| CN104951156A (en) | Capacitive touch control device | |
| CN201689397U (en) | Touch module | |
| JP2016122401A (en) | Touch panel | |
| CN201725303U (en) | Matrix touch panel | |
| CN105162448A (en) | Metal inductive touch device | |
| CN202533906U (en) | Three-dimensional touch module | |
| CN207399167U (en) | A kind of capacitive induction switch of integrated control plate | |
| CN202142030U (en) | Capacitive touch control panel and touch control module thereof | |
| CN212313456U (en) | Take interior trim part of intelligence touch-control | |
| CN108302702A (en) | Remote controler and air conditioner | |
| CN204836126U (en) | Capacitanc response touch remote controller | |
| CN201022189Y (en) | Plane display with induction touch device | |
| CN105892777A (en) | Capacitive touch screen | |
| CN205486042U (en) | Capacitive touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI SPACETOUCH Ltd. Contract record no.: X2022980021423 Denomination of utility model: Metal touch device Granted publication date: 20181214 License type: Exclusive License Record date: 20221115 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Metal touch device Effective date of registration: 20221118 Granted publication date: 20181214 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI SPACETOUCH Ltd. Registration number: Y2022980022393 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231228 Granted publication date: 20181214 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI SPACETOUCH Ltd. Registration number: Y2022980022393 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI SPACETOUCH Ltd. Contract record no.: X2022980021423 Date of cancellation: 20240103 |