CN110970251A - Triggering type magnetic key - Google Patents
Triggering type magnetic key Download PDFInfo
- Publication number
- CN110970251A CN110970251A CN201811147618.5A CN201811147618A CN110970251A CN 110970251 A CN110970251 A CN 110970251A CN 201811147618 A CN201811147618 A CN 201811147618A CN 110970251 A CN110970251 A CN 110970251A
- Authority
- CN
- China
- Prior art keywords
- magnet
- film
- circuit board
- control circuit
- middle shaft
- 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
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Classifications
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- 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
- H01H13/7065—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 characterised by the mechanism between keys and layered keyboards
-
- 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
- H01H13/84—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 characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
- H01H13/85—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 characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback characterised by tactile feedback features
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a triggered magnetic button, in a natural state, a baffle plate is pushed under the action of a return spring to drive a central shaft to move upwards, a first magnet and a second magnet are mutually attracted, meanwhile, an electromagnetic field generator is arranged at the bottom of a base, when pressure is applied to the button, the button drives the central shaft to move downwards, a trigger assembly generates a trigger signal, a control circuit board receives the trigger signal and then generates magnetic fields in different directions for the electromagnetic field generator through control current, and the second magnet moves to impact the baffle plate to generate a falling sensation.
Description
Technical Field
The invention relates to the field of keyboard accessories, in particular to a trigger type magnetic key.
Background
The keyboard is the most common and main input device for computers, and English letters, numbers, punctuations and the like can be input into the computer by knocking the keyboard, so as to send commands, input data and the like to the computer. The keyboard is divided into a mechanical keyboard, a thin film keyboard, a conductive silica gel keyboard and a capacitance keyboard, wherein the rhythm sense of the mechanical keyboard is strong, and the hand feeling can not be changed after long-term use and is deeply favored by game players.
At present, the paragraph feeling and the pressure of the mechanical keyboard mainly change the paragraph feeling by adopting different axes, such as four axes of black, red, green and tea which are commonly used in the market. The black axis segment has the strongest sense; the red axis has substantially no paragraph sense; the green axis segment sense is small, but the gradation is obvious, and the sound has obvious rhythm; the tea axis segment sense is similar to the green axis sense, but the layering sense is not strong. If one wants to feel different hand feel, the user must purchase mechanical keyboards with different color axes. If the preference of the user is not clear, the user can easily purchase a mechanical keyboard which is not suitable for the user, so that the user can repeatedly purchase the mechanical keyboard, and the cost is wasted. The paragraph sense and force of the mechanical axis can not be defined according to the preference of the user.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a trigger type magnetic button which changes the impact strength of a magnet by controlling the current of a coil so as to change the strength of the section sensing of a mechanical shaft,
in order to achieve the purpose, the invention adopts the technical scheme that: a triggering type magnetic key comprises a base and a middle shaft arranged in the base, wherein a reset spring is sleeved on the surface of the middle shaft, the top of the middle shaft is connected with a key, the middle shaft can reciprocate in the base along the vertical direction, the triggering type magnetic key further comprises a first magnet, a second magnet and a third magnet, the first magnet is fixed at the bottom of the upper key, a baffle is arranged on the middle shaft, the second magnet is sleeved on the middle shaft and positioned between the first magnet and the baffle, the third magnet is arranged at the bottom of the base, the middle shaft penetrates through the third magnet, the first magnet and the second magnet are mutually magnetically attracted, the third magnet is an electromagnetic field generator, a control circuit board for applying control current to the third magnet is fixedly arranged at the bottom end of the base, a triggering component for triggering and controlling the control circuit board is arranged on the control circuit board, and the triggering component generates a triggering signal through downward movement of, the trigger assembly is connected with the input end of the control circuit board, and the control output end of the control circuit board is connected with the third magnet.
Specifically, the trigger assembly comprises a photosensitive element and an emission light source corresponding to the photosensitive element, the photosensitive element receives light of the emission light source and is connected with the input end of the control circuit board, the middle shaft is provided with a light-transmitting groove through which the light of the emission light source can penetrate, and the light-transmitting groove is located between the photosensitive element and the emission light source corresponding to the photosensitive element when the middle shaft moves downwards, so that the light penetrates through the middle shaft from the light-transmitting groove to reach the photosensitive element.
Specifically, the trigger assembly is a three-layer film, the three-layer film is composed of three layers of films arranged in the vertical direction, a contactable conduction circuit is printed at the corresponding position of the upper layer film and the lowest layer film, the conduction circuit is connected with the input end of the control circuit board, the middle layer film is arranged between the upper layer film and the lower layer film, holes are formed at the corresponding position of the conduction circuit of the upper layer film and the lower layer film, the upper layer film and the lower layer film are not contacted under the condition of no external force, the upper layer film and the lower layer film deform under the condition of the downward moving pressure of the central shaft and are contacted with each other through the hole forming position of the middle layer film, and therefore circuit conduction is achieved.
Specifically, the trigger assembly is a first metal elastic sheet, the first metal elastic sheet is connected with the input end of the control circuit board, the center shaft is provided with a second metal elastic sheet corresponding to the first metal elastic sheet, and the center shaft moves downwards under stress to enable the first metal elastic sheet and the second metal elastic sheet to be in contact conduction.
Specifically, the first magnet is a sheet-shaped soft magnet, the second magnet is a permanent magnet, and the third magnet is an electromagnet or an air-core coil.
Specifically, the second magnet is an annular permanent magnet which is magnetized along the axial direction of the central axis.
Specifically, the outer edge of button bottom is equipped with the guide post, the base inner wall is equipped with the guide slot that corresponds with the guide post, and the guide post plug-in is in the guide slot.
The invention has the beneficial effects that: under the natural state, because reset spring effect promotes the baffle and drives the axial motion, first magnet and second magnet magnetism each other are inhaled, is provided with logical electromagnetic field generator in the bottom of base simultaneously, on applying a pressure to the button, the button drives the axial motion down, makes trigger assembly produce trigger signal, and control circuit board receives trigger signal and gives electromagnetic field generator earlier through control current and produces the magnetic field of equidirectional, makes the second magnet motion impact baffle produce the section and feels.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the first embodiment;
fig. 3 is an exploded view of the second embodiment.
The reference numbers illustrate: 1-a base; 2-the middle axis; 3-pressing a key; 31-a guide post; 4-a baffle plate; 5-a first magnet; 6-a second magnet; 7-a return spring; 8-a third magnet; 9-base pin; 10-solder feet; 11-a photosensitive element; 12-a light emitting source; 13-a control circuit board; 14-a light-transmitting slot; 15-a light emitting diode; 161-upper film; 162-middle layer film; 163-lower film.
Detailed Description
Example 1
Referring to fig. 1-2, the present embodiment includes a base 1 and a middle shaft 2 disposed in the base 1, a return spring 7 is sleeved on a surface of the middle shaft 2, a key 3 is connected to a top of the middle shaft 2, the middle shaft 2 can reciprocate in the base 1 along a vertical direction, the present embodiment further includes a first magnet 5, a second magnet 6, and a third magnet 8, wherein the bottom of the key 3 is fixedly provided with the first magnet 5, the middle shaft 2 is provided with a baffle 4 dividing the middle shaft 2 into an upper section and a lower section, the upper section of the middle shaft 2 is sleeved with the second magnet 6, the second magnet 6 is disposed between the first magnet 5 and the baffle 4, the first magnet 5 and the second magnet 6 are magnetically attracted to each other, the third magnet 8 is disposed at a bottom of the base 1, the middle shaft 2 penetrates through the third magnet 8, the third magnet 8 is a field-on generator, a control circuit board 13 for applying a control current to the third magnet 8 is fixedly disposed at a bottom, the control circuit board 13 is provided with a trigger component for triggering and controlling the control circuit board 13, the trigger component moves downwards through the central shaft 2 to generate a trigger signal, and the control output end of the control circuit board 13 is connected with the third magnet 8. In this embodiment, the trigger assembly includes a photosensitive element 11 and an emission light source 12 corresponding to the photosensitive element 11, the photosensitive element 11 receives an optical signal of the emission light source 12 and is connected to an input end of a control circuit board 13, the central shaft 2 is provided with a light-transmitting groove 14 through which light of the emission light source 12 can penetrate, and when the central shaft 2 moves downward, the light-transmitting groove 14 is located between the photosensitive element 11 and the emission light source 12 corresponding to the photosensitive element 11, so that the light source penetrates the central shaft 2 from the light-transmitting groove 14 to reach the photosensitive element 11.
Under the natural state, the baffle plate 4 is pushed by the action of the return spring 7 to drive the middle shaft 2 to move upwards, the middle shaft 2 drives the second magnet 6 and the key 3 to be kept on the upper part of the base 1 under the action of the baffle plate 4, and when the third magnet 8 does not exert suction force on the second magnet 6, the second magnet 6 is adsorbed on the first magnet 5.
When a pressure is applied to the key 3, the key 3 drives the central shaft 2 to move downwards, when light of the emission light source 12 passes through the light-transmitting groove 14 on the central shaft 2 to reach the photosensitive element 11, the photosensitive element 11 generates a trigger signal to the control circuit board 13, the control circuit board 13 firstly applies a reverse magnetic force to the third magnet 8 to the second magnet 6 through control current, the second magnet 6 pushes the key 3 to generate an upward pushing force, then the control current enables the third magnet 8 to generate an attraction force to the second magnet 6, and the magnet is separated from the first magnet 5 to rapidly move downwards to impact the baffle 4 to generate a paragraph feeling. Meanwhile, the middle shaft 2 is switched on through non-mechanical contact triggering, so that the service life of the key 3 is greatly prolonged, and the problem of short service life of a mechanical keyboard due to the fact that the mechanical keyboard is switched on in a mechanical contact mode is effectively solved.
In this embodiment, the trigger signal generated by the photosensitive element 11 may be generated by receiving the light from the light emitting source 12, or may be generated by cutting off the light.
In this embodiment, the first magnet 5 is a sheet-shaped soft magnetic material, the second magnet 6 is an annular permanent magnet magnetized along the axial direction of the central axis 2, the third magnet 8 is an electromagnet or an air coil, wherein the third magnet 8 is connected with a pin 9, a solder fillet 10 corresponding to the pin 9 is arranged at the input end of the control circuit board 13, and the third magnet 8 is connected with the solder fillet 10 through the pin 9.
In this embodiment, the light emitting diode 15 is further included, and the light emitting diode 15 is disposed on the control circuit board 13 and emits light to illuminate the key 3 after being powered on.
In this embodiment, the outer edge of the bottom of the key 3 is provided with a guide post 31, the inner wall of the base 1 is provided with a guide groove corresponding to the guide post 31, and the guide post 31 is inserted into the guide groove to guide the key when the key is pressed down or reset.
Example two
Referring to fig. 3, the difference between the first embodiment and the second embodiment is that the trigger assembly of the present embodiment includes three layers of films, the three layers of films are formed by three layers of films disposed along a vertical direction, the positions corresponding to the upper layer of film 161 and the lower layer of film 163 are printed with a contactable conduction circuit, the conduction circuit is connected to the input end of the control circuit board 13, the middle layer of film 162 is disposed between the upper layer of film 161 and the lower layer of film 163, and holes are formed at the positions corresponding to the conduction circuits of the upper layer of film 161 and the lower layer of film 163, so that the upper layer of film 161 and the lower layer of film 163 are not contacted under the condition of no external force, and the upper layer of film 161 and the lower layer of film 163 are deformed and contacted with each other through the positions of the holes of the middle layer of film 162 under the downward movement pressure of the central shaft 2.
EXAMPLE III
The difference between this embodiment and the first and second embodiments is that the trigger component of this embodiment is a first metal elastic sheet, the first metal elastic sheet is connected to the input end of the control circuit board 13, the middle shaft 2 is provided with a second metal elastic sheet corresponding to the first metal elastic sheet, and the middle shaft 2 moves downward under a force to make the first metal elastic sheet and the second metal elastic sheet contact and conduct.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (7)
1. A triggering type magnetic key comprises a base and a middle shaft arranged in the base, wherein a reset spring is sleeved on the surface of the middle shaft, the top of the middle shaft is connected with a key, the middle shaft can reciprocate in the base along the vertical direction, the triggering type magnetic key is characterized by further comprising a first magnet, a second magnet and a third magnet, the first magnet is fixed at the bottom of the upper key, a baffle is arranged on the middle shaft, the second magnet is sleeved on the middle shaft and positioned between the first magnet and the baffle, the third magnet is arranged at the bottom in the base, the middle shaft penetrates through the third magnet, the first magnet and the second magnet are mutually magnetically attracted, the third magnet is a through electromagnetic field generator, a control circuit board used for applying control current to the third magnet is fixedly arranged at the bottom end of the base, a triggering component for triggering and controlling the control circuit board is arranged on the control circuit board, and the triggering component moves downwards to generate a triggering signal through, the trigger assembly is connected with the input end of the control circuit board, and the control output end of the control circuit board is connected with the third magnet.
2. The touch-activated magnetic push-button of claim 1, wherein the touch-activated assembly comprises a photosensitive element and a light source corresponding to the photosensitive element, the photosensitive element receives light from the light source and is connected to the input terminal of the control circuit board, the bottom bracket has a light-transmitting slot for allowing the light from the light source to pass through, and the light-transmitting slot is located between the photosensitive element and the light source corresponding to the photosensitive element when the bottom bracket moves downward, so that the light passes through the bottom bracket from the light-transmitting slot to the photosensitive element.
3. The touch-activated magnetic button of claim 1, wherein the touch-activated assembly is a three-layered film, the three-layered film is composed of three layers of films disposed in a vertical direction, the upper layer of film and the lowest layer of film have conductive circuits printed thereon, the conductive circuits are connected to the input terminal of the control circuit board, the middle layer of film is disposed between the upper layer of film and the lower layer of film, and holes are formed at positions corresponding to the conductive circuits of the upper layer of film and the lower layer of film, so that the upper layer of film and the lower layer of film are not in contact with each other in the absence of external force, and the upper layer of film and the lower layer of film are deformed and are in contact with each other through the holes of the middle layer of film when the middle shaft is pressed downward, thereby achieving circuit conduction.
4. The touch-activated magnetic button of claim 1, wherein the touch-activated assembly is a first metal spring, the first metal spring is connected to the input terminal of the control circuit board, the bottom bracket has a second metal spring corresponding to the first metal spring, and the bottom bracket moves downward under force to make the first metal spring contact with the second metal spring.
5. The touch-activated magnetic key of any one of claims 1-4, wherein said first magnet is a soft magnetic sheet, said second magnet is a permanent magnet, and said third magnet is an electromagnet or an air-cored coil.
6. The touch-activated magnetic key of claim 5, wherein the second magnet is an annular permanent magnet that is magnetized in a direction axial to the central axis.
7. The touch-activated magnetic button of claim 5, wherein the outer edge of the bottom of the button is provided with a guide post, the inner wall of the base is provided with a guide groove corresponding to the guide post, and the guide post is inserted into the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147618.5A CN110970251A (en) | 2018-09-29 | 2018-09-29 | Triggering type magnetic key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147618.5A CN110970251A (en) | 2018-09-29 | 2018-09-29 | Triggering type magnetic key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110970251A true CN110970251A (en) | 2020-04-07 |
Family
ID=70027302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811147618.5A Pending CN110970251A (en) | 2018-09-29 | 2018-09-29 | Triggering type magnetic key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110970251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022037135A1 (en) * | 2020-08-21 | 2022-02-24 | 东莞市热动电子科技有限公司 | Force-controllable key |
-
2018
- 2018-09-29 CN CN201811147618.5A patent/CN110970251A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022037135A1 (en) * | 2020-08-21 | 2022-02-24 | 东莞市热动电子科技有限公司 | Force-controllable key |
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Address after: 523000 Room 201, building 1, 28 jinyuling Road, Dongcheng Street, Dongguan City, Guangdong Province Applicant after: DONGGUAN JINGYANG ELECTRONICS AND TECHNOLOGY Co.,Ltd. Address before: 523000 No. 509, area B, Datang e-commerce center, Taixin Road, pailouji community, Wanjiang street, Dongguan City, Guangdong Province (cluster registration) Applicant before: DONGGUAN JINGYANG ELECTRONICS AND TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information |