WO2020007280A1 - Interrupteur à clé capable de modifier une vitesse de réaction de pression - Google Patents

Interrupteur à clé capable de modifier une vitesse de réaction de pression Download PDF

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Publication number
WO2020007280A1
WO2020007280A1 PCT/CN2019/094341 CN2019094341W WO2020007280A1 WO 2020007280 A1 WO2020007280 A1 WO 2020007280A1 CN 2019094341 W CN2019094341 W CN 2019094341W WO 2020007280 A1 WO2020007280 A1 WO 2020007280A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbon film
key switch
film substrate
base
guide core
Prior art date
Application number
PCT/CN2019/094341
Other languages
English (en)
Chinese (zh)
Inventor
吴福喜
胡远锋
Original Assignee
东莞市凯华电子有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 东莞市凯华电子有限公司 filed Critical 东莞市凯华电子有限公司
Publication of WO2020007280A1 publication Critical patent/WO2020007280A1/fr

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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
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • 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
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • 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
    • H01H13/02—Details
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs

Definitions

  • the invention relates to a key switch, in particular to a key switch capable of changing the pressing response speed.
  • the key switch needs to have a faster and more sensitive response speed in order to improve the pleasure of playing games.
  • the pressing response speed has not been improved, and the response speed and sensitivity of each key switch are constant and cannot be changed, which is inconvenient for users. The user experience cannot be improved.
  • the object of the present invention is to provide a key switch that can change the pressing response speed.
  • the electrical performance (resistance value) changes at the time of conduction can be generated, and finally the pressing response can be achieved. Change in speed.
  • a key switch capable of changing the pressing response speed includes a base, a cover provided above the base, a guide core provided between the base and the cover, an elastic member provided below the guide core, and a An upper opening is formed on the cover for the upper end of the guide core to pass through, and the conductive component includes a carbon film substrate and a carbon film substrate provided on one side of the guide core.
  • An inner-side trigger component includes a carbon film on the inner surface of the carbon film substrate, and the on-state trigger component has at least two conductive contact pins for contacting the carbon film.
  • the carbon membrane as a whole is U-shaped or inverted U-shaped, and has two connecting ends.
  • the carbon film substrate is electrically connected to an upper PCB board, and three conductive terminals penetrating the base and inserted on the upper PCB board are provided at the lower end of the carbon film substrate, and the carbon film sheet One of the two connecting terminals of the is connected to one of the three conductive terminals, and the other of the two connecting terminals of the carbon diaphragm is connected to the other of the three conductive terminals Conductive terminal.
  • the three conductive terminals are riveted together with the carbon film substrate.
  • the conduction trigger is mainly composed of a connection piece connected to one side surface of the guide core and at least two of the conduction contact pins provided on the connection piece, wherein the conduction contact
  • the legs are formed by bending the lower end of the connecting sheet in a direction close to the carbon film substrate and extending upward.
  • the conducting contact leg includes a bent portion connected to the lower end of the connecting piece and bent in a direction close to the carbon film substrate, integrally formed on the upper end of the bent portion and in a direction close to the carbon film substrate.
  • a slanted inclined portion and a bent portion integrally formed on the upper end portion of the slanted portion and bent in a direction close to the connecting piece.
  • the conduction trigger is a brush.
  • the guide core and the conduction trigger are welded together.
  • a lower PCB board electrically connected to an upper PCB board is provided at the lower end of the base; a guide post is protruded upward at a center position of the upper end of the base, and is in the direction of the central axis of the guide post A perforation penetrating to the lower end surface of the base is opened from the top to the bottom; a guide groove is inserted upward from the lower end surface of the guide core for a guide post to be embedded; The perforation passes through and is embedded in the guide groove; the elastic member is a spring, the upper end of the spring is embedded in the guide groove, and the lower end is sleeved around the periphery of the guide post.
  • a torsion spring is provided on the base, and a springing protrusion for springing the torsion spring is protruded outwardly on one side of the guide core.
  • the beneficial effects of the present invention are as follows: through a conductive component consisting of an upper PCB board with a special structure design, a carbon film substrate, and a conductive trigger, the conductive contact pins on the conductive trigger are above and below the carbon film. Slide to change the electrical performance in the carbon film substrate, specifically the change in resistance value, so as to generate a signal that the electrical performance (resistance value) changes linearly at the time of on-state, while achieving the on and off functions of the key switch, By changing the speed of pressing the guide core, it is possible to realize the generation of signals that change the electrical performance (resistance value) at the time of conduction, and finally change the speed of the pressing response. Specifically, when the guide core is pressed quickly, the resistance value changes quickly during the conduction, the pressing response speed is fast and the response is sensitive; when the guide core speed is slow, and the resistance value changes slowly during the conduction time, the pressing response speed is relatively slow.
  • Figure 1 is an exploded view of the present invention
  • FIG. 2 is a schematic diagram of an external structure of the present invention.
  • FIG. 3 is a schematic structural diagram of a part of the present invention.
  • FIG. 4 is a schematic structural diagram of a carbon film substrate according to the present invention.
  • FIG. 5 is a schematic structural diagram of a conduction trigger of the present invention.
  • FIG. 6 is a schematic structural diagram of a conduction component according to the present invention.
  • FIG. 9 is another cross-sectional view of the present invention.
  • an embodiment of the present invention provides a key switch capable of changing the pressing response speed, which includes a base 1, a cover provided above the base 1, and a cover provided between the base 1 and the cover 2.
  • a guide core 3 in between, an elastic member 4 disposed below the guide core 3, and a conduction component 5 are provided on the cover 2 with an upper opening 21 through which the upper end of the guide core 3 passes, and the guide core 3 Dust-proof design.
  • the conduction component 5 of this embodiment includes a carbon film substrate 52 and a conduction trigger 53 disposed on one side of the guide core 3 and located inside the carbon film substrate 52.
  • a carbon film sheet 521 is provided on the inner surface of the film substrate 52, and at least two conductive contact pins 531 are provided on the conduction trigger 53 for contacting the carbon film sheet 521.
  • the carbon film substrate is electrically connected to an upper PCB board 51.
  • the upper PCB board 51 is an in-axis PCB board provided with corresponding electronic components, and is used in conjunction with the carbon film substrate 52 and the conduction trigger 53.
  • the conduction trigger 53 The sliding of the on-contact pin 531 on the carbon film sheet 521 changes the electrical properties in the carbon film substrate 52, specifically the change of the resistance value, so that the electrical performance (resistance value) at the time of conduction changes linearly.
  • Signals while realizing the on and off function of the key switch, can change the speed of pressing the guide core to realize the generation of signals that change the electrical performance (resistance value), and finally realize the change of the pressing response speed.
  • the overall shape of the carbon film sheet 521 may be various.
  • the carbon film sheet 521 is U-shaped or inverted U-shaped as a whole, and has two connecting ends 5211.
  • three conductive terminals 522 penetrating the base 1 and inserted on the upper PCB board 51 are provided at the lower end of the carbon film substrate 52, and one of the two connection ends 5211 of the carbon film sheet 521 is connected.
  • connection ends 5211 of the carbon film sheet 521 are connected to the other of the three conductive terminals 522.
  • the two connection ends 5211 of the carbon film sheet 521 are connected to the conductive terminals 522, and the resistance value signal on the carbon film substrate 52 can be transmitted to the upper PCB board 51 to generate the electrical performance (resistance value) in the key switch.
  • the carbon film substrate The resistance value in 52 is the smallest; when the guide core 3 is pressed to the end, the two conductive contact pins 531 slide to the bottom of the carbon film sheet 521, and the distance formed by the two conductive contact pins 531 on the carbon film sheet 521 becomes the maximum. It is long, that is, the connection line formed by connecting the two conductive contact pins 531 along the carbon film sheet 521 is the longest. At this time, the resistance value in the carbon film substrate 52 is the largest.
  • the carbon film sheet 521 is U-shaped as a whole, when the two conductive contact pins 531 have just contacted the carbon film sheet 521, when the guide core 3 is pressed to the bottom, the two conductive contact pins 531 are formed on the carbon film sheet 521.
  • the conduction trigger 53 is a brush.
  • the conduction trigger 53 is mainly composed of a connection piece 532 connected to a side surface of the guide core, and a connection piece 532.
  • the at least two conducting contact pins 531 are formed on the upper side.
  • the conducting contact pin 531 is formed by bending the lower end of the connecting piece 532 in a direction close to the carbon film substrate 52 and extending upward.
  • the conductive contact leg 531 includes a bent portion 5311 connected to the lower end of the connecting piece 532 and bent in a direction close to the carbon film substrate 52, and is integrally formed on the upper end of the bent portion 5311 and close to the carbon film substrate 52.
  • An inclined portion 5112 inclined in a direction and a bent portion 5313 integrally formed on an upper end portion of the inclined portion 5312 and bent in a direction close to the connecting piece 532.
  • the conduction trigger 53 is driven to move up and down, so that at least two conduction contact pins 531 on the conduction trigger 53 are up and down on the carbon film sheet 521 on the inside surface of the carbon film substrate 52 Slide to change the resistance value during conduction, and by changing the speed of pressing the guide core 3, you can change the speed of the resistance value change during conduction, thereby changing the speed of the button switch response to meet the needs of different users. .
  • the guide core 3 is pressed down a short distance, and the two conductive
  • the resistance value in the carbon film substrate 52 was the smallest, that is, the minimum on-resistance value.
  • the key switch was at the starting point of conduction; then, if the guide core 3 was quickly pressed down to the most At the lower end, the resistance value in the carbon film substrate 52 quickly becomes the maximum value, and the on-time resistance value changes from the minimum value to the maximum value in a short period of time.
  • the key switch is in the end state of conduction.
  • the key switch is rapidly changed from the starting point state to the ending point state, and the on-resistance value changes rapidly, thereby directly accelerating the pressing reaction of the key switch. speed.
  • the guide core 3 is pressed down to the lowermost end at a relatively slow speed, the resistance value in the carbon film substrate 52 becomes the maximum time. If the speed is slow, the on-resistance value changes slowly, thereby directly slowing down. The speed of the button switch response.
  • the guide core 3 is pressed down for a short distance.
  • the resistance value in the carbon film substrate 52 is the largest. That is, the on-resistance value is the largest.
  • the key switch is in the starting state of conduction.
  • the guide core 3 is quickly pressed down to the bottom, the resistance value in the carbon film substrate 52 is quickly reduced to the minimum value, and the time is short.
  • the on-resistance value changes quickly from the maximum value to the minimum value. At this time, the key switch is in the end-state of conduction.
  • connection methods between the three conductive terminals 522 and the carbon film substrate 52 and between the guide core 3 and the conduction trigger 53 can be adjusted according to specific conditions and needs.
  • the three conductive terminals 522 in this embodiment are riveted together with the carbon film substrate 52; at the same time, the guide core 3 and the conduction trigger 53 are welded together.
  • this embodiment adopts a structure design of intermediate light-emitting.
  • a lower PCB board 6 electrically connected to the upper PCB board 51 is provided at the lower end of the base 1, and is protruded upward at a center position of the upper end of the base 1.
  • a guide post 11 is provided in the central axis direction of the guide post 11 and a perforation 111 penetrating to the lower end surface of the base 1 is opened downward; a guide for the guide post 11 to be inserted is provided upward on the lower end surface of the guide core 3.
  • a light-emitting member 7, specifically an LED lamp, is provided on the lower PCB board 6, the upper end of the light-emitting member 7 penetrates through the perforation 111 and is embedded in the guide groove 31; the elastic member 4 is a spring, and the upper end of the spring is embedded into the guide The lower end of the groove 31 is sleeved around the periphery of the guide post 11.
  • the light-emitting member 7 is set at the center position of the base 1 and is conducted through the center of the guide core 3 to realize the effect of intermediate light emission, which greatly improves the light-emitting effect of the key switch to improve the user experience.
  • a sound generating structure is added in this embodiment.
  • a torsion spring 8 is provided on the base 1, and a spring for springing the torsion spring 8 is protruded outwardly on one side of the guide core 3.
  • Convex 32 Convex 32.
  • the torsion spring 8 is springed by the elastic protrusion 32 of the guide core 3, so that the torsion spring 8 hits the base 1 or the cover 2 to make a sound due to the spring, not only the pressing sound is achieved Effect, and improve the feel of pressing.

Landscapes

  • Push-Button Switches (AREA)

Abstract

L'invention concerne un interrupteur à clé capable de modifier une vitesse de réaction de pression comprenant une base, un couvercle disposé au-dessus de la base, un noyau conducteur disposé entre la base et le couvercle, un élément élastique disposé sous le noyau conducteur et un ensemble conducteur. Une ouverture supérieure destinée à être traversée par l'extrémité supérieure du noyau conducteur est formée sur le couvercle; l'ensemble conducteur inclut un substrat de film de carbone et une partie de déclenchement conductrice disposée sur un bord latéral du noyau conducteur et positionnée au niveau du côté interne du substrat de film de carbone, un film de carbone étant disposé sur la surface latérale interne du substrat de film de carbone et au moins deux broches de contact conductrices destinées à entrer en contact avec le film de carbone étant disposées sur la partie de déclenchement conductrice.
PCT/CN2019/094341 2018-07-02 2019-07-02 Interrupteur à clé capable de modifier une vitesse de réaction de pression WO2020007280A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810710253.6 2018-07-02
CN201810710253.6A CN109036914A (zh) 2018-07-02 2018-07-02 一种可改变按压反应速度的按键开关

Publications (1)

Publication Number Publication Date
WO2020007280A1 true WO2020007280A1 (fr) 2020-01-09

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ID=65521306

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Application Number Title Priority Date Filing Date
PCT/CN2019/094341 WO2020007280A1 (fr) 2018-07-02 2019-07-02 Interrupteur à clé capable de modifier une vitesse de réaction de pression

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Country Link
CN (1) CN109036914A (fr)
TW (1) TWM588872U (fr)
WO (1) WO2020007280A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109036914A (zh) * 2018-07-02 2018-12-18 东莞市凯华电子有限公司 一种可改变按压反应速度的按键开关
CN109950079B (zh) * 2019-03-20 2020-08-28 东莞市热动电子科技有限公司 一种电阻型导通行程可调按键
TWI726585B (zh) 2020-01-17 2021-05-01 宏碁股份有限公司 按鍵結構

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107680855A (zh) * 2017-09-01 2018-02-09 东莞市凯华电子有限公司 一种中间发光的按键开关
CN108089724A (zh) * 2017-01-25 2018-05-29 东莞市凯华电子有限公司 可编程按键开关
CN109036914A (zh) * 2018-07-02 2018-12-18 东莞市凯华电子有限公司 一种可改变按压反应速度的按键开关

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108089724A (zh) * 2017-01-25 2018-05-29 东莞市凯华电子有限公司 可编程按键开关
CN107680855A (zh) * 2017-09-01 2018-02-09 东莞市凯华电子有限公司 一种中间发光的按键开关
CN109036914A (zh) * 2018-07-02 2018-12-18 东莞市凯华电子有限公司 一种可改变按压反应速度的按键开关

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Publication number Publication date
TWM588872U (zh) 2020-01-01
CN109036914A (zh) 2018-12-18

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