CN209675164U - Unipolarity magnetic induction key switch and mechanical keyboard - Google Patents
Unipolarity magnetic induction key switch and mechanical keyboard Download PDFInfo
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- CN209675164U CN209675164U CN201920666264.9U CN201920666264U CN209675164U CN 209675164 U CN209675164 U CN 209675164U CN 201920666264 U CN201920666264 U CN 201920666264U CN 209675164 U CN209675164 U CN 209675164U
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Abstract
The utility model discloses a kind of unipolarity magnetic induction key switch and mechanical keyboards, the key switch includes Switch main body, unipolarity Hall element and magnetic element, Switch main body includes the handle that can be moved up and down, unipolarity Hall element surface is arranged on pcb board, and the magnetic induction direction of unipolarity Hall element is vertical direction, magnetic element is arranged on handle, and the NS extreme direction of magnetic element is horizontal direction；When handle is static, magnetic element is located at a upper side of unipolarity Hall element；With the up and down motion of handle, magnetic element does reciprocating along the horizontal plane of unipolarity Hall element in vertical direction, when magnetic element is coplanar parallel with the horizontal plane of unipolarity Hall element, the pole N or the pole S of magnetic element and the horizontal face of unipolarity Hall element.The key switch of the utility model can greatly improve the consistency and reliability of mechanical keyboard, be connected various informative, it is easier to which volume production, without being limited, stability is more preferable.
Description
Technical field
The utility model relates to a kind of unipolarity magnetic induction key switch and mechanical keyboards, belong to the research neck of mechanical keyboard
Domain.
Background technique
Mechanical keyboard is a kind of common keyboard, each of which key has one individually to switch to control closure.Machine
Tool keyboard is used as always a kind of representative of high-end product, by the welcome of more and more computer users and game player, but
It is traditional mechanical keyboard is that a feed-through assembly is set in lower case, which includes a movable contact spring and a quiet spring, logical
Cross pressing makes movable contact spring close and close with contact point on static contact spring piece by pressuring press handle, to realize the on-off of electricity.Because of welding and pcb board, think
It wants detachable maintaining very troublesome, is easy poor contact, the disadvantages of service life is short.
Occur a kind of new keyboard on the market at present, replaces original luminescent crystal device, Hall using Hall element
Element has the characteristics that contactless, low-power consumption, long life, response frequency are high, but this keyboard has the following deficiencies:
1) due to magnetic field of magnets strength difference, in addition difference of the Hall element to magnetic induction intensity, that is, key are opened
The firing point of pass is inconsistent, shows on key switch, is exactly that trigger point is inconsistent, it is assumed that and moving integrally distance is 4mm, for
For the same key switch, it is possible to be connected at 1mm pushing, triggering is possible to be connected at pushing 2mm again, key
The firing point of a switch not instead of accurate point, a fuzzy point lead to the Hall element of some position constantly
It is converted between Push And Release, to cause the continuous signaling of key switch.
2) since keyboard generally has 100 key switches, i.e. 100 firing points, Hall element has no idea to become power
The consistency of change is controlled, and causes defeated structure movement always can not be consistent with function input, user's feel and experience sense are significantly
It reduces.
3) anti-interference ability is not strong, as long as extraneous magnetic field is powerful enough, for some key switch, as long as close to the key
Switch can all trigger key switch conducting, for entire keyboard, when external magnet close to when, have most key switch
It is triggered unknowablely, unknowable loss is brought to user.
Utility model content
Purpose of the utility model is to solve the defects of the above-mentioned prior art, provide a kind of unipolarity magnetic induction key
Switch, the key switch, will by the modes of emplacement of magnetic element and unipolarity Hall element relative dislocation in the horizontal direction
Magnetic field strength from power become whether there is or not, the consistency and reliability of mechanical keyboard can be greatly improved, can accomplish it is normally opened or
Normally closed form is connected various informative, it is easier to which volume production, without being limited, stability is more preferable.
The another object of the utility model is to provide a kind of mechanical keys comprising above-mentioned unipolarity magnetic induction key switch
Disk.
The purpose of this utility model can be reached by adopting the following technical scheme that:
A kind of unipolarity magnetic induction key switch, including Switch main body, unipolarity Hall element and magnetic element, it is described to open
Closing ontology includes the handle that can be moved up and down, and unipolarity Hall element surface is arranged on pcb board, and unipolarity Hall member
The magnetic induction direction of part is vertical direction, and the magnetic element is arranged on handle, and the NS extreme direction of magnetic element is level
Direction；
When handle is static, magnetic element is located at a upper side of unipolarity Hall element；With the up and down motion of handle,
The aperture that magnetic element passes through on pcb board does reciprocating along the horizontal plane of unipolarity Hall element in vertical direction, makes
Unipolarity Hall element closing or opening, magnetic element are first with unipolarity Hall always during moving up and down with handle
The horizontal plane holding antarafacial of part is parallel or coplanar parallel, when magnetic element is coplanar parallel with the horizontal plane of unipolarity Hall element
When, the pole N or the pole S and the horizontal face of unipolarity Hall element of magnetic element.
Further, the unipolarity Hall element surface mount is in pcb board upper surface or lower surface.
Further, the magnetic element is in the range of reciprocating, when unipolarity Hall element and magnetic element
Polarity meet be attracted polarization state when, magnetic element have can make unipolarity Hall element be attracted magnetic field strength.
Further, the Switch main body further includes upper housing and lower case, and the upper housing is fixedly linked with lower case,
The lower case is mounted on pcb board, and the handle can be arranged on upper housing up or down, the upper housing and lower case
Between form accommodating space, the first elastic element is equipped in the accommodating space, first elastic element is located at handle lower section.
Further, the second elastic element is additionally provided in the accommodating space, the handle is equipped with drive block, described to press
When handle is pushed or bounced, the drive block is acted on the second elastic element, and the shape of the second elastic element is made to generate variation.
Further, second elastic element is torsional spring structure or elastic piece structure.
Further, the upper housing is equipped with fixing buckle and opening, and upper housing passes through fixing buckle and lower case stationary phase
Even, the handle passes through opening, and can be arranged on upper housing up and down.
It further, further include backlight, the backlight is arranged on pcb board, and is located at the underface of Switch main body.
Further, the Switch main body is all-transparent structure.
Further, the Switch main body is nontransparent structure, and Switch main body is equipped with light transmission corresponding with backlight
Hole.
The another object of the utility model can be reached by adopting the following technical scheme that:
A kind of mechanical keyboard is equipped with including pcb board and above-mentioned unipolarity magnetic induction key switch, the pcb board
Aperture, the aperture are located at the underface of handle, and the Switch main body is mounted on pcb board by fixed plate.
The utility model have compared with the existing technology it is following the utility model has the advantages that
1, unipolarity Hall element is arranged on pcb board the utility model, and magnetic element is arranged on handle,
And magnetic element is located at a upper side of unipolarity Hall element, in the horizontal direction due to unipolarity Hall element and magnetic element
The modes of emplacement of upper relative dislocation, when handle is static, unipolarity Hall element keeps one when magnetic element is in home position
The stable level state of kind, when handle pushes the side-lower for making magnetic element reach unipolarity Hall element, unipolarity is suddenly
The level state that your element keeps another stable, i.e., key switch has accurate firing point, so that mechanical keyboard
Multiple key switches all have fabulous consistency, and anti-interference ability greatly reinforces, under extreme strong magnetic disturbance, often
Closed form key switch would rather not signaling, error code will not be sent out, when being applied to mechanical keyboard, different presses open type key switch
Bond number can share a program；In addition, taking full advantage of the aperture on PCB, the use of ultrathin type key switch can be used as,
And unipolarity Hall element is used, power consumption is lower, can be made Wireless Keyboard or bluetooth keyboard.
2, the utility model switch is the extremely short time variable of a moment, In when low and high level changes
It is again a stable quantity after variation, that is to say, that unipolarity Hall element is the extremely outstanding switch of a performance, the wink of variation
Between several milliseconds or less and firing point it is consistent, the level after variation can at least maintain several ms or more again, prevent to open completely
The double-click by two subcategory numbers of primary hair closed, greatly improves the stability and reliability of switch.
3, the Switch main body (upper housing, lower case and handle) of the utility model is to separate to set with unipolarity Hall element
It sets, i.e., is both mechanically and electrically completely separate setting, is advantageous for the disassembly of pcb board in this way, maintain easily and repair；Due to
Be both mechanically and electrically it is separately positioned, so unipolarity Hall element may be mounted at pcb board upper surface, also may be mounted at
Pcb board lower surface, it is not only easy for installation but also convenient for safeguarding.
Detailed description of the invention
Fig. 1 is the side block diagram of the unipolarity magnetic induction key switch of the utility model embodiment 1.
Fig. 2 is the overlooking structure figure of the unipolarity magnetic induction key switch of the utility model embodiment 1.
Fig. 3 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 1 is in the magnetic strength in home position
Answer schematic diagram.
Fig. 4 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 1 moves downwardly to critical localisation
Facing structure figure.
Fig. 5 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 1 moves downwardly to critical localisation
Magnetic induction principle figure.
Fig. 6 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 1 moves downwardly to lower position
Facing structure figure.
Fig. 7 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 1 moves downwardly to lower position
Magnetic induction principle figure.
Fig. 8 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 2 is in the magnetic strength in home position
Answer schematic diagram.
Fig. 9 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 2 moves downwardly to critical localisation
Magnetic induction principle figure.
Figure 10 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 2 moves downwardly to lower position
Magnetic induction principle figure.
Figure 11 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 3 is in the magnetic strength in home position
Answer schematic diagram.
Figure 12 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 3 moves downwardly to critical localisation
Magnetic induction principle figure.
Figure 13 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 3 moves downwardly to lower position
Magnetic induction principle figure.
Figure 14 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 4 is in the magnetic strength in home position
Answer schematic diagram.
Figure 15 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 4 moves downwardly to critical localisation
Magnetic induction principle figure.
Figure 16 is that the handle of the unipolarity magnetic induction key switch of the utility model embodiment 4 moves downwardly to lower position
Magnetic induction principle figure.
Figure 17 is the overlooking structure figure of the unipolarity magnetic induction key switch of the utility model embodiment 5.
Figure 18 is the overlooking structure figure of the unipolarity magnetic induction key switch of the utility model embodiment 6.
Figure 19 is the overlooking structure figure of the unipolarity magnetic induction key switch of the utility model embodiment 7.
Figure 20 is the overlooking structure figure of the unipolarity magnetic induction key switch of the utility model embodiment 8.
Wherein, 1- unipolarity Hall element, 2- magnetic element, 3-PCB plate, 4- upper housing, 5- lower case, 6- handle, 7-
First elastic element, 8- aperture, 9- backlight, 10- loophole, first magnetic line of force of A11-, second magnetic line of force of A12-, A13- third
The magnetic line of force.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of unipolarity magnetic induction key switch, including Switch main body, list are present embodiments provided
Polarity Hall element 1 and magnetic element 2, unipolarity Hall element 1 are arranged on pcb board 3, specifically, unipolarity Hall element 1
It is mounted on 3 upper surface of pcb board or lower surface by welding, and the magnetic induction direction of unipolarity Hall element 1 is vertical
Direction.
The Switch main body includes upper housing 4, lower case 5 and handle 6, and upper housing 4 is fixedly linked with lower case 5, lower casing
Body 5 is mounted on pcb board 3, and handle 6 can be arranged in up and down on upper housing 4, and specifically, upper housing 4 is equipped with fixing buckle
(not shown) and opening (not shown), upper housing 4 are fixedly linked by fixing buckle with lower case 5, and handle 6 is passed through and opened
Mouthful, and can be arranged in up and down on upper housing 4.
Further, accommodating space is formed between upper housing 4 and lower case 5, the first elasticity member is equipped in the accommodating space
Part 7, the first elastic element 7 are located at 6 lower section of handle, which can be spring, allow handle 6 by under
It presses (moving downward) and bounces and (move upwards)；Magnetic element 2 is arranged on handle 6, and the NS extreme direction of magnetic element 2 is water
Square to from fig. 2 it can be seen that the front side of handle 6, unipolarity Hall element 1 is arranged in the magnetic element 2 of the present embodiment
Below the front side of magnetic element 2, the chip of monopole Hall effect is used, with the up and down motion of handle 6, magnetic element 2
May pass through the aperture on pcb board 3, this median plane does reciprocating fortune in vertical direction along the horizontal plane of unipolarity Hall element 1
It is dynamic.
The unipolarity Hall element 1 of the present embodiment is the polar unipolarity Hall element of S, the closure when there is magnetic field, in nothing
It is disconnected when magnetic field, when the S of magnetic element 2 extremely incudes close to the front of the polar unipolarity Hall element of S, the polar monopole of S
Property Hall element be attracted, export low level, when magnetic element 2 N extremely close to the polar unipolarity Hall element of S front induction
When, the polar unipolarity Hall element of S is failure to actuate, and high level is exported, and this phenomenon is referred to as the polar unipolarity Hall element of S
Positive qualities；Characteristic of the polar unipolarity Hall element of S at its 180 degree back side is equivalent to the polar unipolarity Hall element of N
Positive qualities be equivalent to magnetic member when the N of magnetic element 2 extremely incudes close to the back side of the polar unipolarity Hall element of S
Extremely close to the front of the polar unipolarity Hall element of N, the polar unipolarity Hall element of S is attracted the N of part 2, exports low level,
When the S of magnetic element 2 extremely incudes close to the back side of the polar unipolarity Hall element of S, the pole S for being equivalent to magnetic element 2 is leaned on
The front of the polar unipolarity Hall element of nearly N, the polar unipolarity Hall element of S are failure to actuate, and high level is exported.
The key switch of the present embodiment is open type key switch, and 2 front end of magnetic element is the pole N, and rear end is the pole S, such as Fig. 1
With shown in Fig. 3, when handle 6 is static, magnetic element 2 is located at the front side top of unipolarity Hall element 1, and magnetic element 2 with
1 antarafacial of unipolarity Hall element is parallel, and the first magnetic line of force A11 and the second magnetic line of force A12 of magnetic element 2 can not hang down again at this time
Histogram cuts unipolarity Hall element 1 upwards, so this two groups of magnetic lines of force do not generate shadow to the state of unipolarity Hall element 1
It rings, and the vertical component of third magnetic line of force A13 cutting unipolarity Hall element 1 may generate shadow to unipolarity Hall element 1
It rings, but third magnetic line of force A13 is N extreme direction close to the front of the polar unipolarity Hall element of S, so unipolarity Hall member
Part 1 is failure to actuate, and high level is exported.
As shown in Figure 4 and Figure 5, when handle 6 moves downwardly to critical localisation (apart from home position from home position
When 1.8mm), the pole N of magnetic element 2 and the horizontal face of unipolarity Hall element 1, and magnetic element 2 and unipolarity Hall element 1
Coplanar parallel, the first magnetic line of force A11 of magnetic element 2, the second magnetic line of force A12 and third magnetic line of force A13 are in vertical direction at this time
On can not all cut unipolarity Hall element 1, so unipolarity Hall element 1 is still failure to actuate, keep high level.
As shown in Figure 6 and Figure 7, when handle 6 moves downwardly to lower position from critical localisation (apart from home position 4mm)
When, magnetic element 2 passes through the aperture 8 on pcb board 3 with handle 6 and moves downwardly to below the front side of unipolarity Hall element 1, and
Magnetic element 2 is parallel with 1 antarafacial of unipolarity Hall element, at this time the second magnetic line of force A12 and the third magnetic line of force of magnetic element 2
A13 can not cut Hall element in vertical direction again, so this two groups of magnetic lines of force do not generate 1 state of unipolarity Hall element
It influences, the vertical component cutting unipolarity Hall element 1 of only the first magnetic line of force A11 may produce unipolarity Hall element 1
Raw to influence, the first magnetic line of force A11 is N extreme direction close to the back side of the polar unipolarity Hall element of S, is equivalent to first magnetic line of force
A11 is N extreme direction close to the front of the polar unipolarity Hall element of N, so the actuation of unipolarity Hall element 1, exports low electricity
It is flat.
When handle 6 moves up to critical localisation from lower position, lower position is moved downwardly to from critical localisation
It is an equivalent reverse process, unipolarity Hall element 1 is attracted, and keeps low level, at critical localisation, unipolarity Hall
Element 1 is failure to actuate, and high level is exported.
When handle 6 moves up to home position from critical localisation, critical localisation is moved downwardly to from home position
It is an equivalent reverse process, unipolarity Hall element 1 is still failure to actuate, and high level is kept.
It is handle 6 above in the whole states for pushing and bouncing, movement of the magnetic element 2 in critical localisation and lower position
In range (including lower position), there is the magnetic field strength that unipolarity Hall element 1 can be made to be attracted, it can be seen that magnetic element
2 with handle 6 during moving up and down, parallel with the horizontal plane of unipolarity Hall element 1 holding antarafacial always or coplanar flat
Row, wherein being unipolarity Hall member when magnetic element 2 moves downwardly to coplanar parallel with unipolarity Hall element 1 with handle 6
The turning point of 1 state change of part, correspondence are followed successively by high level, high level, low level on level；On the contrary, when magnetic element 2 with
Handle 6 moves upwards when returning to original state, and correspondence is exactly low level, high level, high level on level, from above procedure
It will be seen that whether high level or low level, all maintain one after 1 state of unipolarity Hall element changes
The section time, this plays the role of to pass the stability of the low and high level after state change, and such key switch is in height
It is the extremely short time variable of a moment when level changes, is again a stable quantity after variation, that is to say, that single
Polarity Hall element is the extremely outstanding switch of a performance, moment of variation several milliseconds or less and firing point it is consistent, variation
Level afterwards can at least maintain several ms or more again, prevent the double-click by two subcategory numbers of primary hair of key switch completely
Property, greatly improve the stability of key switch.
In order to realize background luminescence function, the key switch of the present embodiment further includes backlight 9, which uses
LED light is arranged on pcb board 3, can specifically be mounted on pcb board 3, and the Switch main body of the present embodiment is nontransparent structure,
Loophole 10 corresponding with backlight 9 can be set on upper housing 4 and lower case 5, backlight can be transmitted by loophole 10
The light that lamp 9 is issued；It will be understood by those skilled in the art that the Switch main body of the present embodiment may be transparent configuration, directly
The light that transmission backlight 9 is issued.
By the above it is found that the key switch of the present embodiment has following characteristics:
1) magnetic field that unipolarity Hall element 1 incudes is become to have by the key switch of the present embodiment by original power
Unchanged, so that the conduction position of key switch is more accurate, i.e., key switch has accurate firing point, so that keyboard
More than 100 a key switches all have fabulous consistency.
2) key switch of the present embodiment is open type key switch, and under normality, it is first that magnetic element 2 be in unipolarity Hall
One upper side of part 1, unipolarity Hall element 1 exports high level not by the effect of magnetic element 2 at this time, and magnetic element 2 is downward
When moving to a side-lower of unipolarity Hall element 1, level conversion is low level output, when key is released, low electricity before this
It is flat, after be high level, this level after variation can at least maintain several ms or more again, prevent key switch completely
By the double-click of two subcategory numbers of primary hair, the stability of key switch is greatly improved.
3) the key switch anti-interference ability of the present embodiment greatly reinforces, under extreme strong magnetic disturbance, than full polarity Hall
The anti-interference of element is doubled.
4) key switch of the present embodiment can use ultrathin type key switch.
5) key switch of the present embodiment can use the key switch of all-transparent.
Under normal circumstances, unipolarity Hall element 1 is closed when having magnetic field, exports low level, unipolarity Hall when no magnetic field
Element 1 disconnects, and unipolarity Hall element 1 disconnects when exporting high level, but can also accomplish to have magnetic field, exports low level, no magnetic
Unipolarity Hall element 1 is closed when field, is exported high level, can be adjusted according to actual needs.
The present embodiment utilizes above-mentioned key switch, can produce a kind of mechanical keyboard, which includes pcb board 3
With multiple above-mentioned key switches, fixed plate can be equipped between pcb board 3 and key switch, the lower case on Switch main body is logical
Fixed plate is crossed to be mounted on pcb board 3；Pcb board 3 is fixed with screw between fixed plate or by way of engaging.
Embodiment 2:
For the primary structure of the key switch of the present embodiment with embodiment 1, unipolarity Hall element 1 is similarly polar for S
Unipolarity Hall element, specific difference are as follows:
The key switch of the present embodiment is closed type key switch, and 2 front end of magnetic element is the pole S, and rear end is the pole N, such as Fig. 8
Shown, when handle 6 is static, magnetic element 2 is located at the front side top of unipolarity Hall element 1, and magnetic element 2 and unipolarity
1 antarafacial of Hall element is parallel, and the first magnetic line of force A11 and the second magnetic line of force A12 of magnetic element 2 can not vertical direction again at this time
Upper cutting unipolarity Hall element 1, so this two groups of magnetic lines of force do not have an impact the state of unipolarity Hall element 1, and the
The vertical component cutting unipolarity Hall element 1 of three magnetic line of force A13 may have an impact unipolarity Hall element 1, and
Third magnetic line of force A13 is S extreme direction close to the front of the polar unipolarity Hall element of S, so unipolarity Hall element 1 is inhaled
It closes, exports low level.
As shown in figure 9, when handle 6 moves downwardly to critical localisation from home position, the pole S of magnetic element 2 and monopole
The property horizontal face of Hall element 1, and magnetic element 2 is coplanar parallel with unipolarity Hall element 1, at this time the first of magnetic element 2
Magnetic line of force A11, the second magnetic line of force A12 and third magnetic line of force A13 can not cut unipolarity Hall element 1 in vertical direction,
So unipolarity Hall element 1 is failure to actuate, high level is exported.
As shown in Figure 10, when handle 6 moves downwardly to lower position from critical localisation, magnetic element 2 is worn with handle 6
The aperture 8 crossed on pcb board 3 moves downwardly to below the front side of unipolarity Hall element 1, and magnetic element 2 and unipolarity Hall
1 antarafacial of element is parallel, and the second magnetic line of force A12 and third magnetic line of force A13 of magnetic element 2 can not be cut in vertical direction again at this time
Hall element is cut, so this two groups of magnetic lines of force do not have an impact 1 state of unipolarity Hall element, only the first magnetic line of force A11
Vertical component cutting unipolarity Hall element 1 unipolarity Hall element 1 may be had an impact, the first magnetic line of force A11 is S
Close to the back side of the polar unipolarity Hall element of S, being equivalent to the first magnetic line of force A11 is that S extreme direction is polar close to N for extreme direction
The front of unipolarity Hall element keeps high level so unipolarity Hall element 1 is still failure to actuate.
When handle 6 moves up to critical localisation from lower position, lower position is moved downwardly to from critical localisation
It is an equivalent reverse process, unipolarity Hall element 1 is still failure to actuate, and is kept high level, is similarly protected at critical localisation
Hold high level.
When handle 6 moves up to home position from critical localisation, critical localisation is moved downwardly to from home position
It is an equivalent reverse process, unipolarity Hall element 1 is attracted, and exports low level.
It is handle 6 above in the whole states for pushing and bouncing, movement of the magnetic element 2 in home position and critical localisation
In range (including home position), there is the magnetic field strength that unipolarity Hall element 1 can be made to be attracted, it can be seen that magnetic element
2 with handle 6 during moving up and down, parallel with the horizontal plane of unipolarity Hall element 1 holding antarafacial always or coplanar flat
Row, wherein being unipolarity Hall member when magnetic element 2 moves downwardly to coplanar parallel with unipolarity Hall element 1 with handle 6
The turning point of 1 state change of part, correspondence are followed successively by low level, high level, high level on level；On the contrary, when magnetic element 2 with
Handle 6 moves upwards when returning to original state, and correspondence is exactly high level, high level, low level on level, from above procedure
It will be seen that whether high level or low level, all maintain one after 1 state of unipolarity Hall element changes
The section time, this plays the role of to pass the stability of the low and high level after state change, and such key switch is in height
It is the extremely short time variable of a moment when level changes, is again a stable quantity after variation, that is to say, that single
Polarity Hall element is the extremely outstanding switch of a performance, moment of variation several milliseconds or less and firing point it is consistent, variation
Level afterwards can at least maintain several ms or more again, prevent the double-click by two subcategory numbers of primary hair of key switch completely
Property, greatly improve the stability of key switch.
The above, the key switch of the present embodiment are closed type key switch, and under normality, magnetic element 2 is in monopole
Property Hall element 1 a upper side, effect of the unipolarity Hall element 1 by magnetic element 2 at this time exports low level, magnetic
When element 2 moves downwardly to a side-lower of unipolarity Hall element 1, level conversion is high level output, when key is released,
High level before this, after be low level, this level after variation can at least maintain several ms or more again, prevented completely by
The double-click by two subcategory numbers of primary hair of key switch, greatly improves the stability of key switch.
Embodiment 3:
For the primary structure of the key switch of the present embodiment with embodiment 1, specific difference is as follows:
The unipolarity Hall element 1 of the present embodiment is the polar unipolarity Hall element of N, when the N of magnetic element 2 is extremely close
When the front induction of the polar unipolarity Hall element of N, the polar unipolarity Hall element of N is attracted, and is exported low level, is worked as magnetism
When the S of element 2 extremely incudes close to the front of the polar unipolarity Hall element of N, the polar unipolarity Hall element of N is failure to actuate,
High level is exported, this phenomenon is referred to as the polar unipolarity Hall element positive qualities of N；The polar unipolarity Hall element of N
Characteristic at its 180 degree back side is equivalent to the positive qualities of the polar unipolarity Hall element of S, when the S of magnetic element 2 is extremely close
When the back side induction of the polar unipolarity Hall element of N, the S of magnetic element 2 is equivalent to extremely close to the polar unipolarity Hall member of S
The front of part, the polar unipolarity Hall element of N are attracted, and low level are exported, when the N of magnetic element 2 is extremely close to the polar monopole of N
Property Hall element the back side induction when, be equivalent to the N of magnetic element 2 extremely close to the front of the polar unipolarity Hall element of S, N
Polar unipolarity Hall element is failure to actuate, and high level is exported.
The key switch of the present embodiment is open type key switch, and 2 front end of magnetic element is the pole S, and rear end is the pole N, is such as schemed
Shown in 11, when handle 6 is static, magnetic element 2 is located at the front side top of unipolarity Hall element 1, and magnetic element 2 and monopole
Property 1 antarafacial of Hall element is parallel, and the first magnetic line of force A11 and the second magnetic line of force A12 of magnetic element 2 can not Vertical Squares again at this time
Cutting unipolarity Hall element 1 upwards, so this two groups of magnetic lines of force do not have an impact the state of unipolarity Hall element 1, and
The vertical component cutting unipolarity Hall element 1 of third magnetic line of force A13 may have an impact unipolarity Hall element 1, but
It is third magnetic line of force A13 is S extreme direction close to the front of the polar unipolarity Hall element of N, so unipolarity Hall element 1 is not
Movement exports high level.
As shown in figure 12, when handle 6 moves downwardly to critical localisation, the pole S of magnetic element 2 and unipolarity Hall element
1 horizontal face, and magnetic element 2 is coplanar parallel with unipolarity Hall element 1, at this time the first magnetic line of force A11 of magnetic element 2,
Second magnetic line of force A12 and third magnetic line of force A13 can not cut unipolarity Hall element 1 in vertical direction, so unipolarity
Hall element 1 is still failure to actuate, and high level is kept.
As shown in figure 13, when handle 6 moves downwardly to lower position from critical localisation, magnetic element 2 is worn with handle 6
The aperture 8 crossed on pcb board 3 moves downwardly to below the front side of unipolarity Hall element 1, and magnetic element 2 and unipolarity Hall
1 antarafacial of element is parallel, and the second magnetic line of force A12 and third magnetic line of force A13 of magnetic element 2 can not be cut in vertical direction again at this time
Hall element is cut, so this two groups of magnetic lines of force do not have an impact 1 state of unipolarity Hall element, only the first magnetic line of force A11
Vertical component cutting unipolarity Hall element 1 unipolarity Hall element 1 may be had an impact, the first magnetic line of force A11 is N
Close to the back side of the polar unipolarity Hall element of S, being equivalent to the first magnetic line of force A11 is that S extreme direction is polar close to S for extreme direction
The front of unipolarity Hall element exports low level so unipolarity Hall element 1 is attracted.
When handle 6 moves up to critical localisation from lower position, lower position is moved downwardly to from critical localisation
It is an equivalent reverse process, unipolarity Hall element 1 is attracted, and keeps low level, at critical localisation, unipolarity Hall
Element 1 is failure to actuate, and high level is exported.
When handle 6 moves up to home position from critical localisation, critical localisation is moved downwardly to from home position
It is an equivalent reverse process, unipolarity Hall element 1 is still failure to actuate, and high level is kept.
It is handle 6 above in the whole states for pushing and bouncing, movement of the magnetic element 2 in critical localisation and lower position
In range (including lower position), there is the magnetic field strength that unipolarity Hall element 1 can be made to be attracted, it can be seen that magnetic element
2 with handle 6 during moving up and down, parallel with the horizontal plane of unipolarity Hall element 1 holding antarafacial always or coplanar flat
Row, wherein being unipolarity Hall member when magnetic element 2 moves downwardly to coplanar parallel with unipolarity Hall element 1 with handle 6
The turning point of 1 state change of part, correspondence are followed successively by high level, high level, low level on level；On the contrary, when magnetic element 2 with
Handle 6 moves upwards when returning to original state, and correspondence is exactly low level, high level, high level on level, from above procedure
It will be seen that whether high level or low level, all maintain one after 1 state of unipolarity Hall element changes
The section time, this plays the role of to pass the stability of the low and high level after state change, and such key switch is in height
It is the extremely short time variable of a moment when level changes, is again a stable quantity after variation, that is to say, that single
Polarity Hall element is the extremely outstanding switch of a performance, moment of variation several milliseconds or less and firing point it is consistent, variation
Level afterwards can at least maintain several ms or more again, prevent the double-click by two subcategory numbers of primary hair of key switch completely
Property, greatly improve the stability of key switch.
The above, the key switch of the present embodiment are open type key switch, and under normality, magnetic element 2 is in monopole
Property Hall element 1 a upper side, unipolarity Hall element 1 exports high level not by the effect of magnetic element 2 at this time, magnetic
When element 2 moves downwardly to a side-lower of unipolarity Hall element 1, level conversion is low level output, when key is released,
Low level before this, after be high level, this level after variation can at least maintain several ms or more again, prevented completely by
The double-click by two subcategory numbers of primary hair of key switch, greatly improves the stability of key switch.
Embodiment 4:
For the primary structure of the key switch of the present embodiment with embodiment 3, unipolarity Hall element 1 is similarly polar for N
Unipolarity Hall element, specific difference are as follows:
The key switch of the present embodiment is closed type key switch, and 2 front end of magnetic element is the pole N, and rear end is the pole S, is such as schemed
Shown in 14, when handle 6 is static, magnetic element 2 is located at the front side top of unipolarity Hall element 1, and magnetic element 2 and monopole
Property 1 antarafacial of Hall element is parallel, and the first magnetic line of force A11 and the second magnetic line of force A12 of magnetic element 2 can not Vertical Squares again at this time
Cutting unipolarity Hall element 1 upwards, so this two groups of magnetic lines of force do not have an impact the state of unipolarity Hall element 1, and
The vertical component cutting unipolarity Hall element 1 of third magnetic line of force A13 may have an impact unipolarity Hall element 1, and
And third magnetic line of force A13 is N extreme direction close to the front of the polar unipolarity Hall element of N, so unipolarity Hall element 1 is inhaled
It closes, exports low level.
As shown in figure 15, when handle 6 moves downwardly to critical localisation from home position, the pole N of magnetic element 2 and monopole
The property horizontal face of Hall element 1, and magnetic element 2 is coplanar parallel with unipolarity Hall element 1, at this time the first of magnetic element 2
Magnetic line of force A11, the second magnetic line of force A12 and third magnetic line of force A13 can not cut unipolarity Hall element 1 in vertical direction,
So unipolarity Hall element 1 is failure to actuate, high level is exported.
As shown in figure 16, when handle 6 moves downwardly to lower position from critical localisation, magnetic element 2 is worn with handle 6
The aperture 8 crossed on pcb board 3 moves downwardly to below the front side of unipolarity Hall element 1, and magnetic element 2 and unipolarity Hall
1 antarafacial of element is parallel, and the second magnetic line of force A12 and third magnetic line of force A13 of magnetic element 2 can not be cut in vertical direction again at this time
Hall element is cut, so this two groups of magnetic lines of force do not have an impact 1 state of unipolarity Hall element, only the first magnetic line of force A11
Vertical component cutting unipolarity Hall element 1 unipolarity Hall element 1 may be had an impact, the first magnetic line of force A11 is N
Close to the back side of the polar unipolarity Hall element of N, being equivalent to the first magnetic line of force A11 is that N extreme direction is polar close to S for extreme direction
The front of unipolarity Hall element keeps high level so unipolarity Hall element 1 is still failure to actuate.
When handle 6 moves up to critical localisation from lower position, lower position is moved downwardly to from critical localisation
It is an equivalent reverse process, unipolarity Hall element 1 is still failure to actuate, and is kept high level, is similarly protected at critical localisation
Hold high level.
When handle 6 moves up to home position from critical localisation, critical localisation is moved downwardly to from home position
It is an equivalent reverse process, unipolarity Hall element 1 is attracted, and exports low level.
It is handle 6 above in the whole states for pushing and bouncing, movement of the magnetic element 2 in home position and critical localisation
In range (including home position), there is the magnetic field strength that unipolarity Hall element 1 can be made to be attracted, it can be seen that magnetic element
2 with handle 6 during moving up and down, parallel with the horizontal plane of unipolarity Hall element 1 holding antarafacial always or coplanar flat
Row, wherein being unipolarity Hall member when magnetic element 2 moves downwardly to coplanar parallel with unipolarity Hall element 1 with handle 6
The turning point of 1 state change of part, correspondence are followed successively by low level, high level, high level on level；On the contrary, when magnetic element 2 with
Handle 6 moves upwards when returning to original state, and correspondence is exactly high level, high level, low level on level, from above procedure
It will be seen that whether high level or low level, all maintain one after 1 state of unipolarity Hall element changes
The section time, this plays the role of to pass the stability of the low and high level after state change, and such key switch is in height
It is the extremely short time variable of a moment when level changes, is again a stable quantity after variation, that is to say, that single
Polarity Hall element is the extremely outstanding switch of a performance, moment of variation several milliseconds or less and firing point it is consistent, variation
Level afterwards can at least maintain several ms or more again, prevent the double-click by two subcategory numbers of primary hair of key switch completely
Property, greatly improve the stability of key switch.
The above, the key switch of the present embodiment are closed type key switch, and under normality, magnetic element 2 is in monopole
Property Hall element 1 a upper side, effect of the unipolarity Hall element 1 by magnetic element 2 at this time exports low level, magnetic
When element 2 moves downwardly to a side-lower of unipolarity Hall element 1, level conversion is high level output, when key is released,
High level before this, after be low level, this level after variation can at least maintain several ms or more again, prevented completely by
The double-click by two subcategory numbers of primary hair of key switch, greatly improves the stability of key switch.
Embodiment 5:
The same Examples 1 to 4 of the primary structure of the key switch of the present embodiment, difference are as follows: as shown in figure 17, unipolarity Hall
Element 1 is located at below the left side of magnetic element 2, and the left end of magnetic element 2 is the pole N, and right end is the pole S.
Embodiment 6:
The primary structure embodiment 5 of the key switch of the present embodiment, as shown in figure 18, unipolarity Hall element 1 are located at magnetic
Property element 2 left side below, and 90 degree are rotated clockwise on pcb board 3, the left end of magnetic element 2 is the pole N, and right end is the pole S.
Embodiment 7:
The same Examples 1 to 4 of the primary structure of the key switch of the present embodiment, difference are as follows: as shown in figure 19, unipolarity Hall
Element 1 is located at the lower right-hand side of magnetic element 2, and the left end of magnetic element 2 is the pole N, and right end is the pole S.
Embodiment 8:
The primary structure of the key switch of the present embodiment is the same as embodiment 7, difference are as follows: as shown in figure 20, unipolarity Hall member
Part 1 is located at the lower right-hand side of magnetic element 2, and is rotated by 90 ° counterclockwise on pcb board 3, and the left end of magnetic element 2 is the pole N,
Right end is the pole S.
Embodiment 9:
The key switch of the present embodiment is the key switches such as green axis, tea axis, in order to realize that key switch generates after pressing
Sound and paragraph sense, the key switch of the present embodiment are additionally provided with the second elastic element in accommodating space, and the second of the present embodiment
Elastic element is torsional spring structure or elastic piece structure, and handle 6 is equipped with drive block, and when handle 6 is pushed or bounced, drive block is acted on
On second elastic element, the shape of the second elastic element is set to generate variation, to generate sound and paragraph sense.Remaining same embodiment
1-8。
In conclusion unipolarity Hall element is arranged on pcb board the utility model, and magnetic element setting is existed
On handle, and magnetic element is located at a upper side of Hall switch, since unipolarity Hall element and magnetic element are in level side
The modes of emplacement of upward relative dislocation, when handle is static, unipolarity Hall element is kept when magnetic element is in home position
A kind of stable level state, when handle pushes the side-lower for reaching magnetic element with Hall switch, unipolarity Hall
The level state that element keeps another stable, i.e. key switch have accurate firing point, so that mechanical keyboard
Multiple key switches all have fabulous consistency, and anti-interference ability greatly reinforces, normally closed under extreme strong magnetic disturbance
Type Hall switch would rather not signaling, error code will not be sent out, open type key switch is when being applied to mechanical keyboard, different keys
Number can share a program；In addition, taking full advantage of the aperture on PCB, the use of ultrathin type key switch can be used as, and
Using unipolarity Hall element, power consumption is lower, can be made Wireless Keyboard or bluetooth keyboard.
The above, only the utility model patent preferred embodiment, but the protection scope of the utility model patent is simultaneously
Not limited to this, anyone skilled in the art is in the range disclosed in the utility model patent, according to this
Technical solution and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent
Protection scope.
Claims (10)
1. a kind of unipolarity magnetic induction key switch, including Switch main body, the Switch main body includes the handle that can be moved up and down,
It is characterized in that, further including unipolarity Hall element and magnetic element, unipolarity Hall element surface is arranged in pcb board
On, and the magnetic induction direction of unipolarity Hall element is vertical direction, the magnetic element is arranged on handle, and magnetic element
NS extreme direction be horizontal direction；
When handle is static, magnetic element is located at a upper side of unipolarity Hall element；It is magnetic with the up and down motion of handle
The aperture that element passes through on pcb board does reciprocating along the horizontal plane of unipolarity Hall element in vertical direction, makes monopole
Property Hall element closing or opening, magnetic element during moving up and down with handle, always with unipolarity Hall element
Horizontal plane holding antarafacial is parallel or coplanar parallel, when magnetic element is coplanar parallel with the horizontal plane of unipolarity Hall element, magnetic
Property element the pole N or the pole S and the horizontal face of unipolarity Hall element.
2. unipolarity magnetic induction key switch according to claim 1, which is characterized in that the unipolarity Hall element table
Face paste is mounted in pcb board upper surface or lower surface.
3. unipolarity magnetic induction key switch according to claim 1, which is characterized in that the magnetic element is reciprocating
In the range of movement, when the polarity of unipolarity Hall element and magnetic element meets the polarization state being attracted, magnetic element tool
There is the magnetic field strength that unipolarity Hall element can be made to be attracted.
4. unipolarity magnetic induction key switch according to claim 1-3, which is characterized in that the Switch main body
It further include upper housing and lower case, the upper housing is fixedly linked with lower case, and the lower case is mounted on pcb board, described
Handle can be arranged on upper housing up or down, and accommodating space is formed between the upper housing and lower case, and the accommodating is empty
Interior to be equipped with the first elastic element, first elastic element is located at below handle.
5. unipolarity magnetic induction key switch according to claim 4, which is characterized in that be additionally provided in the accommodating space
Second elastic element, the handle are equipped with drive block, and when the handle is pushed or bounced, the drive block acts on the second bullet
Property element on, make the second elastic element shape generate variation.
6. unipolarity magnetic induction key switch according to claim 5, which is characterized in that second elastic element is to turn round
Spring structure or elastic piece structure.
7. unipolarity magnetic induction key switch according to claim 1-3, which is characterized in that further include backlight
Lamp, the backlight are arranged on pcb board, and are located at the underface of Switch main body.
8. unipolarity magnetic induction key switch according to claim 7, which is characterized in that the Switch main body is all-transparent
Structure.
9. unipolarity magnetic induction key switch according to claim 7, which is characterized in that the Switch main body is nontransparent
Structure, and Switch main body is equipped with loophole corresponding with backlight.
10. a kind of mechanical keyboard, including pcb board, which is characterized in that further include multiple described in any item lists of claim 1-9
Polarity magnetic induction key switch, the pcb board are equipped with aperture, and the aperture is located at the underface of handle, the Switch main body
It is mounted on pcb board by fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666264.9U CN209675164U (en) | 2019-05-10 | 2019-05-10 | Unipolarity magnetic induction key switch and mechanical keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666264.9U CN209675164U (en) | 2019-05-10 | 2019-05-10 | Unipolarity magnetic induction key switch and mechanical keyboard |
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| Publication Number | Publication Date |
|---|---|
| CN209675164U true CN209675164U (en) | 2019-11-22 |
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ID=68575027
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834151A (en) * | 2020-07-22 | 2020-10-27 | 浪潮电子信息产业股份有限公司 | Server, control key and magnetic induction triggering structure |
| TWI831546B (en) * | 2022-12-28 | 2024-02-01 | 群光電子股份有限公司 | Keyboard device |
-
2019
- 2019-05-10 CN CN201920666264.9U patent/CN209675164U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834151A (en) * | 2020-07-22 | 2020-10-27 | 浪潮电子信息产业股份有限公司 | Server, control key and magnetic induction triggering structure |
| TWI831546B (en) * | 2022-12-28 | 2024-02-01 | 群光電子股份有限公司 | Keyboard device |
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