CN106997819A - A kind of metal key-press - Google Patents
A kind of metal key-press Download PDFInfo
- Publication number
- CN106997819A CN106997819A CN201610051767.6A CN201610051767A CN106997819A CN 106997819 A CN106997819 A CN 106997819A CN 201610051767 A CN201610051767 A CN 201610051767A CN 106997819 A CN106997819 A CN 106997819A
- Authority
- CN
- China
- Prior art keywords
- key
- metal
- press
- coil
- induction coil
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 61
- 230000006698 induction Effects 0.000 claims abstract description 39
- 239000011230 binding agent Substances 0.000 claims abstract description 18
- 238000013507 mapping Methods 0.000 claims abstract description 3
- 239000007769 metal material Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/008—Casings metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/024—Miscellaneous with inductive switch
Abstract
The invention provides a kind of metal key-press, including：Metal shell, pressing key mapping is above metal shell；Supporting plate with holes；Coil plate, induction coil is arranged in coil plate；First binding agent and the second binding agent, respectively between metal shell and supporting plate with holes, supporting plate with holes and coil plate.
Description
Technical field
The present invention relates to a kind of by sensing metal and electronic coil displacement come the technology of identifying processing button, more particularly to it is a kind of according to pressing force cause the size of metal displacement judge and processing button application.
Background technology
The existing meter key of in the market uses silica gel push-button and film key substantially, and wherein silica gel push-button is because service life is short and is gradually eliminated.Usual more than 1,000,000 times of film key life-span；In industry spot button easy artificial damage in itself；Keyboard antistatic process cost is high；It is chronically under wet environment, insulation can decline between line, cause less reliable.
The content of the invention
The purpose of the present invention is for the not enough there is provided a kind of metal key-press of above-mentioned silica gel push-button and film key, by sensing metal with electronic coil displacement come identifying processing button.
A kind of metal key-press, including：Metal shell, presses key mapping above metal shell, or below metal shell, or in metal shell；Supporting plate with holes；Coil plate, induction coil is arranged in coil plate；First binding agent and the second binding agent, respectively between metal shell and supporting plate with holes, supporting plate with holes and coil plate.
Further, the quantity of the pressing key and the induction coil is identical, and is corresponded.
An only step, the induction coil connects microprocessor.
Further, the induction coil connection electrical parameter digital quantizer, the electrical parameter digital quantizer connects microprocessor.
Further, multiple induction coils connect same multiplexer, and the multiplexer connects microprocessor.
Further, multiple induction coils connect same multiplexer, and the multiplexer reconnects electrical parameter digital quantizer, and the electrical parameter digital quantizer reconnects microprocessor.
Further, pressing key is made up of metal material.
Further, pressing key is made up of the plastics with the coat of metal.
The present invention has advantages below：
1. existing meter key is made up of multilayers such as panel layer, circuit layer and gums, it is necessary to paste operation；And metal key-press can directly silk-screen, photoetching, be etched in the metal of key flag or the other materials surface with the coat of metal；
2. the existing easy artificial damage of meter key；And metal key-press can bear the pressing of the sharp instrument such as screwdriver；
3. some button in existing meter key can only do a key identifying processing；And metal key-press can be divided into multikey identification according to by the size of bonding force；
4. magnitude of the existing meter key life-span at million times；And metal key-press is up to the magnitude of ten million time；
5. existing meter key keyboard antistatic process needs to be embedded in the electrostatic leakage path of bonding jumper etc；And metal key-press can be realized naturally.
Brief description of the drawings
It is that they are included and constitute the part of the application, and accompanying drawing shows embodiments of the invention to provide further understanding of the invention including accompanying drawing, and plays a part of together with this specification explaining the principle of the invention.In accompanying drawing：
Fig. 1 shows the structure chart one of metal key-press.
Fig. 2 shows the structure chart two of metal key-press.
Fig. 3 shows the structure chart three of metal key-press.
Fig. 4 shows the structure chart four of metal key-press.
Embodiment
Embodiments of the invention are described with detailed reference to accompanying drawing now.
With reference first to Fig. 1, the figure shows the structure one of metal key-press.
Metal key-press 100 includes metal shell 101, binding agent 102 and 104, supporting plate with holes 103, coil plate 105, wherein, induction coil 106 is located at the top of coil plate 105.Also include pressing key 107, the plastics by metal material or with metal material are made, user can press pressing key 107.Binding agent 102 is located between metal shell 101 and supporting plate with holes 103, and binding agent 104 is located at supporting plate 103 with holes and coil is done between 105.
When pressing key 107 along F directions, pressing the distance between key 107 and induction coil 106 change.
With reference to Fig. 2, the figure shows the structure chart two of metal key-press.
Several induction coils 106 connect a multiplexer so that the change of the distance between multiple pressing keys 107 and induction coil 106 is transmitted by same multiplexer.Multiplexer reconnects electrical parameter digital quantizer, and electrical parameter digital quantizer gathers the change of the distance between above-mentioned pressing key 107 and induction coil 106, and is converted into data signal, then transmits to microprocessor and handled.Microprocessor is filtered denoising, so as to identify whether whether effective, pressing force meets a key multipotency threshold values, the cross jamming processing of adjacent key to button, and then identifies effective button and carries out corresponding application operating.
With reference to Fig. 3, the figure shows the structure chart three of metal key-press.
When the quantity of induction coil 106 is few, induction coil 106 can be directly connected to electrical parameter digital quantizer.
During along F directions pressing keys, pressing the distance between key 107 and induction coil 106 change.The change is gathered by electrical parameter digital quantizer and is converted into data signal, transmit again to microprocessor and be filtered denoising, so as to identify whether whether effective, pressing force meets a key multipotency threshold values to button, the cross jamming processing of adjacent key, and then identify effective button and carry out corresponding application operating.
With reference to Fig. 4, the figure shows the structure chart four of metal key-press.
Several induction coils 106 connect a multiplexer, so that the change of pressing the distance between key 107 and induction coil 106 is transmitted to microprocessor by same multiplexer, the change is converted into data signal by microprocessor, denoising is filtered again, so as to identify whether whether effective, pressing force meets a key multipotency threshold values to button, the cross jamming processing of adjacent key, and then identify effective button and carry out corresponding application operating.
Embodiment one
As shown in figure 1, metal key-press 100 includes metal shell 101, binding agent 102 and 104, supporting plate with holes 103, coil plate 105, wherein, induction coil 106 is located at the top of coil plate 105.Also include pressing key 107, the plastics by metal material or with metal material are made, user can press pressing key 107.Binding agent 102 is located between metal shell 101 and supporting plate with holes 103, and binding agent 104 is located at supporting plate 103 with holes and coil is done between 105.
Several induction coils 106 connect a multiplexer so that the change of pressing the distance between key 107 and induction coil 106 is transmitted by same multiplexer.Multiplexer reconnects electrical parameter digital quantizer, and above-mentioned change is converted into data signal by electrical parameter digital quantizer, and transmits to microprocessor and handled.
In addition, metal key-press 100 also includes some electric capacity, induction coil constitutes resonance circuit with some electric capacity, and with resonant frequency.
During along F directions pressing keys 107, pressing the distance between key 107 and induction coil 106 change, so that the inductance of induction coil 106 changes, the resonant frequency of resonance circuit changes.The change is transmitted to electrical parameter digital quantizer by multiplexer, above-mentioned change is converted into data signal, and denoising is filtered by microprocessor, so as to identify whether whether effective, pressing force meets a key multipotency threshold values to button, the cross jamming processing of adjacent key, and then identify effective button and carry out corresponding application operating.
Embodiment two
As shown in figure 1, metal key-press 100 includes metal shell 101, binding agent 102 and 104, supporting plate with holes 103, coil plate 105, wherein, induction coil 106 is located at the top of coil plate 105.Also include pressing key 107, the plastics by metal material or with metal material are made, user can press pressing key 107.Binding agent 102 is located between metal shell 101 and supporting plate with holes 103, and binding agent 104 is located at supporting plate 103 with holes and coil is done between 105.
Several induction coils 106 connect a multiplexer so that the change of pressing the distance between key 107 and induction coil 106 is transmitted by same multiplexer.Multiplexer reconnects electrical parameter digital quantizer, and above-mentioned change is converted into data signal by electrical parameter digital quantizer, and transmits to microprocessor and handled.
In addition, metal key-press 100 also includes some electric capacity, induction coil constitutes resonance circuit with some electric capacity, and with resonant frequency.
During along F directions pressing keys 107, pressing the distance between key 107 and induction coil 106 change, so that resonant resistance changes.The change is transmitted to electrical parameter digital quantizer by multiplexer, above-mentioned change is converted into data signal, and denoising is filtered by microprocessor, so as to identify whether whether effective, pressing force meets a key multipotency threshold values to button, the cross jamming processing of adjacent key, and then identify effective button and carry out corresponding application operating.
Embodiment three
As shown in figure 1, metal key-press 100 includes metal shell 101, binding agent 102 and 104, supporting plate with holes 103, coil plate 105, wherein, induction coil 106 is located at the top of coil plate 105.Also include pressing key 107, user can press pressing key 107.Binding agent 102 is located between metal shell 101 and supporting plate with holes 103, and binding agent 104 is located at supporting plate 103 with holes and coil is done between 105.
Several induction coils 106 connect a multiplexer so that the change of pressing the distance between key 107 and induction coil 106 is transmitted by same multiplexer.Multiplexer reconnects electrical parameter digital quantizer, and above-mentioned change is converted into data signal by electrical parameter digital quantizer, and transmits to microprocessor and handled.
In addition, metal key-press 100 also includes some electric capacity, induction coil constitutes resonance circuit with some electric capacity, and with resonant frequency.
During along F directions pressing keys 107, pressing the distance between key 107 and induction coil 106 change, so that electric capacity changes, the resonant frequency of resonance circuit changes.The change is transmitted to electrical parameter digital quantizer by multiplexer, above-mentioned change is converted into data signal, and denoising is filtered by microprocessor, so as to identify whether whether effective, pressing force meets a key multipotency threshold values to button, the cross jamming processing of adjacent key, and then identify effective button and carry out corresponding application operating.
Those skilled in the art can be obvious, can carry out various modifications and variations without departing from the spirit and scope of the present invention to the above-mentioned example embodiment of the present invention.Accordingly, it is intended to make present invention covering fall modifications of the present invention and modification in the range of appended claims and its equivalent arrangements.
Claims (8)
1. a kind of metal key-press, including：
Metal shell, presses key mapping above metal shell, or below metal shell, or positioned at metal
In shell；
Supporting plate with holes；
Coil plate, induction coil is arranged in coil plate；
First binding agent and the second binding agent, respectively positioned at metal shell and supporting plate with holes, supporting plate with holes
Between coil plate.
2. metal key-press as claimed in claim 1, the quantity of the pressing key and the induction coil is identical
, and correspond.
3. metal key-press as claimed in claim 1, the induction coil connects microprocessor.
4. metal key-press as claimed in claim 3, the induction coil connects electrical parameter digital quantizer, institute
State electrical parameter digital quantizer connection microprocessor.
5. metal key-press as claimed in claim 3, multiple induction coils connect same multiplexer,
The multiplexer connects microprocessor.
6. the metal key-press as described in any one of claim 3 to 5, multiple induction coil connections are same
Multiplexer, the multiplexer reconnects electrical parameter digital quantizer, the electrical parameter numeral conversion
Device reconnects microprocessor.
7. metal key-press as claimed in claim 1, pressing key is made up of metal material.
8. metal key-press as claimed in claim 1, pressing key is made up of the plastics with the coat of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051767.6A CN106997819A (en) | 2016-01-26 | 2016-01-26 | A kind of metal key-press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051767.6A CN106997819A (en) | 2016-01-26 | 2016-01-26 | A kind of metal key-press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106997819A true CN106997819A (en) | 2017-08-01 |
Family
ID=59428742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610051767.6A Pending CN106997819A (en) | 2016-01-26 | 2016-01-26 | A kind of metal key-press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106997819A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11762480B2 (en) | 2019-12-31 | 2023-09-19 | Mettler-Toledo (Changzhou) Measurement Technology Ltd. | Key determination method for metal key |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201515361U (en) * | 2009-09-25 | 2010-06-23 | 中山市晶威电子科技有限公司 | Inductor inductance type touch press key |
| TW201036019A (en) * | 2009-03-20 | 2010-10-01 | Hon Hai Prec Ind Co Ltd | Keyswitch structure |
| TW201040996A (en) * | 2009-05-07 | 2010-11-16 | Soyal Technology Co Ltd | Waterproof metal pushbutton capable of being penetrated by magnetic field lines |
| CN103839397A (en) * | 2014-03-07 | 2014-06-04 | 四川恒芯科技有限公司 | Data acquirer based on inductance type sensing technology and data acquisition method |
| CN105099427A (en) * | 2015-07-14 | 2015-11-25 | 佛山市顺德区美的电热电器制造有限公司 | Metal touch control keystroke component and household electric appliance |
| CN105162448A (en) * | 2015-09-09 | 2015-12-16 | 佛山市鸿源利电子科技有限公司 | Metal inductive touch device |
| CN205487870U (en) * | 2016-01-26 | 2016-08-17 | 梅特勒-托利多(常州)测量技术有限公司 | Metal press -key |
-
2016
- 2016-01-26 CN CN201610051767.6A patent/CN106997819A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201036019A (en) * | 2009-03-20 | 2010-10-01 | Hon Hai Prec Ind Co Ltd | Keyswitch structure |
| TW201040996A (en) * | 2009-05-07 | 2010-11-16 | Soyal Technology Co Ltd | Waterproof metal pushbutton capable of being penetrated by magnetic field lines |
| CN201515361U (en) * | 2009-09-25 | 2010-06-23 | 中山市晶威电子科技有限公司 | Inductor inductance type touch press key |
| CN103839397A (en) * | 2014-03-07 | 2014-06-04 | 四川恒芯科技有限公司 | Data acquirer based on inductance type sensing technology and data acquisition method |
| CN105099427A (en) * | 2015-07-14 | 2015-11-25 | 佛山市顺德区美的电热电器制造有限公司 | Metal touch control keystroke component and household electric appliance |
| CN105162448A (en) * | 2015-09-09 | 2015-12-16 | 佛山市鸿源利电子科技有限公司 | Metal inductive touch device |
| CN205487870U (en) * | 2016-01-26 | 2016-08-17 | 梅特勒-托利多(常州)测量技术有限公司 | Metal press -key |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11762480B2 (en) | 2019-12-31 | 2023-09-19 | Mettler-Toledo (Changzhou) Measurement Technology Ltd. | Key determination method for metal key |
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| PB01 | Publication | ||
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