CN209526035U - Magnetic induction keyboard - Google Patents
Magnetic induction keyboard Download PDFInfo
- Publication number
- CN209526035U CN209526035U CN201920318451.8U CN201920318451U CN209526035U CN 209526035 U CN209526035 U CN 209526035U CN 201920318451 U CN201920318451 U CN 201920318451U CN 209526035 U CN209526035 U CN 209526035U
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- magnetic
- hall switch
- switch
- handle
- magnetic element
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
- H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
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Abstract
The utility model discloses a kind of magnetic induction keyboards, the keyboard includes pcb board, multiple key switches, multiple Hall switch and multiple magnetic elements, key switch, Hall switch and magnetic element are one-to-one relationship, and each key switch includes handle moving up and down；For each key switch and its corresponding Hall switch and magnetic element, when handle is static, magnetic fields are on Hall switch caused by magnetic element, 90 degree of transverse cuts Hall switch of magnetic induction line in magnetic field produced by magnetic element, when handle pushes, and magnetic element is made to reach the position relatively parallel with Hall switch, the horizontal center line of magnetic element is parallel with Hall switch, and the contact in magnetic field and Hall switch caused by magnetic element is non-inductive.The utility model becomes from power that whether there is or not can be easily achieved better firing point consistency by the modes of emplacement of magnetic element and Hall switch relative dislocation in the horizontal direction, by the magnetic field strength of Hall switch induction.
Description
Technical field
The utility model relates to a kind of magnetic induction keyboards, belong to the research field of mechanical keyboard.
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 stationary plate,
In, the movable contact spring is tightly attached to a convex block on handle, one movable contact of pressing on the another side of U-shaped movable contact spring；The stationary plate
Stationary contact corresponding with movable contact.Axis body is fixed on panel, movable contact spring and static contact spring piece are inserted into pcb board and weld, and pass through
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, it is desirable to
The disadvantages of detachable maintaining is very troublesome, is easy poor contact, and service life is short.
Occur a kind of new keyboard on the market at present, replaces original luminescent crystal device, Hall using Hall switch
Switch has the characteristics that contactless, low-power consumption, long life, response frequency are high, and inside fills integral using epoxy resin envelope
Change, can reliably work under all kinds of adverse circumstances, the structure of key switch is as shown in Figure 1, key switch 2 includes upper housing
201, lower case 202 and handle 203, upper housing 201 are fixedly linked with lower case 202, and handle 203 can be arranged in up or down
On upper housing 201, lower case 202 is mounted on pcb board 1, and the working principle of key switch is as shown in Fig. 2, from magnetic element 4
Magnetic induction line 401 it can be seen that, magnetic direction 0 ° of vertical cutting Hall switch 3 always when moving up and down, for Hall switch 3
Speech magnetic field exists always, only strong and weak variation, and the moving process of the handle 203 of key switch 2 from top to bottom is magnetic field strength
The process to change from weak to strong, when handle 203 is moved to a certain position, when magnetic field strength reaches the intensity of the movement of Hall switch 3, suddenly
You are closed switch 3, but there are following three defects for this keyboard:
1) due to magnetic field of magnets strength difference, in addition difference of the Hall switch 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, and key is opened
The firing point of a pass not instead of accurate point, a fuzzy point cause the Hall switch of some position constantly to exist
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 switch 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 magnetic induction keyboard, the key
For disk by the modes of emplacement of magnetic element and Hall switch relative dislocation in the horizontal direction, the magnetic field that Hall switch is incuded is strong
Degree becomes that whether there is or not can be easily achieved better firing point consistency from power.
The purpose of this utility model can be reached by adopting the following technical scheme that:
A kind of magnetic induction keyboard, including pcb board and the multiple key switches being arranged on pcb board, each key switch packet
Handle moving up and down is included, further includes multiple Hall switch and multiple magnetic elements, the key switch, Hall switch and magnetic
Property element be one-to-one relationship, each Hall switch is arranged on pcb board, and each magnetic element setting is in corresponding key
On the handle of switch, and it is located at a upper side of corresponding Hall switch, the central axis of each Hall switch is in magnetropism
The horizontal center line of element, and it is parallel to the vertical center line of corresponding magnetic element；
For each key switch and its corresponding Hall switch and magnetic element, when handle is static, magnetic element institute
The magnetic fields of generation are on Hall switch, 90 degree of transverse cuts Hall switch of magnetic induction line in magnetic field produced by magnetic element, when
Handle pushes when magnetic element being made to reach the position relatively parallel with Hall switch, and horizontal center line and the Hall of magnetic element are opened
It closes in parallel, the contact in magnetic field and Hall switch caused by magnetic element is non-inductive.
Further, the Hall switch uses the chip of full pole Hall effect.
Further, each key switch 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, guide ramp is equipped in the lower case, second elastic element is torsional spring structure, the torsional spring
Structure includes torsional spring ontology, fixed column and swing arm, and the first end of the fixed column is fixed in lower case, the second end of fixed column
It is connected with torsional spring ontology, the first end of the swing arm is located above guide ramp, and is located at the lower section of drive block, and the second of swing arm
End is connected with torsional spring ontology.
Further, second elastic element is elastic piece structure.
Further, the lower end of the handle is equipped with the first guide post, and the intracorporal bottom of lower casing is equipped with the second guiding
Column, second guide post have pilot hole, and first guide post is inserted into the pilot hole.
Further, first elastic element is spring structure, and the spring structure is set in the first guide post and the
On the outside of two guide posts.
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 or down.
It further, further include multiple backlights, the key switch, Hall switch, magnetic element and backlight are
One-to-one relationship, each backlight are arranged on pcb board, and are located at the lower section of corresponding key switch.
The utility model have compared with the existing technology it is following the utility model has the advantages that
1, Hall switch 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 Hall switch, and the central axis of each Hall switch is in the horizontal centre of corresponding magnetic element
Line, and it is parallel to the vertical center line of corresponding magnetic element, since Hall switch and magnetic element are relatively wrong in the horizontal direction
The modes of emplacement of position, when handle is static, magnetic element be in initial position, the magnetic fields of generation on Hall switch,
90 degree of transverse cuts Hall switch of magnetic induction line in magnetic field, when handle pushing keeps magnetic element arrival relatively parallel with Hall switch
When position, the horizontal center line of magnetic element is parallel with Hall switch, the touching in magnetic field and Hall switch caused by magnetic element
Point is non-inductive, and for Hall switch, magnetic field strength does not have almost, is equivalent to magnetic field disappearance, the i.e. magnetic that is incuded of Hall switch
Field intensity is become by original power to be had unchanged, so that the conduction position of key switch is more accurate, i.e., key is opened
There is accurate firing point in pass, so that a key switch more than the 100 of keyboard all has fabulous consistency, and anti-dry
The ability of disturbing greatly reinforces, under extreme strong magnetic disturbance, would rather not signaling, error code will not be sent out；In addition, the utility model with it is existing
The key switch of ultrathin type can be used since moving distance is compared with the limitation of working principle in technology.
2, the key switch (upper housing, lower case and handle) of the utility model and Hall switch are separately positioned,
It is both mechanically and electrically completely separate setting, is advantageous for the disassembly of pcb board in this way, maintains easily and repairs；Due to machinery
It is separately positioned with electronics, so key switch can be mounted on pcb board, it can also be by straight cutting on pcb board, not only
It is easy for installation and convenient for safeguarding.
3, the utility model makes full use of inner space, can be so that in pressing process in the lesser situation of overall dimensions
In have good sense of touch, pass through the torsional spring structure in accommodating space and the drive block on handle, when press pressuring press handle when, swing arm
First end is moved down by guiding surface, so that the first end of swing arm is guided abjection drive block by guide ramp, so that torsional spring
The first end of momentary reset, swing arm hits lower case and generates sound, solves in ultra-thin key switch for a long time due to space
Limitation equally leads to the problem of sound without the larger-size key switch of the image of Buddha, promotes user's impression, and the first of fixed column
End is fixed on lower case, and lower case is allowed to reserve biggish space.
Detailed description of the invention
Fig. 1 is the plane structure chart of the key switch of the prior art.
Fig. 2 is the working principle diagram of the key switch of the prior art.
Fig. 3 is the plane structure chart of the magnetic induction keyboard of the utility model embodiment 1.
Fig. 4 is the plane structure chart of the key switch of the utility model embodiment 1.
Fig. 5 a~Fig. 5 c is the working principle diagram of the key switch of the utility model embodiment 1.
Fig. 6 is the plane structure chart of the key switch of the utility model embodiment 2.
Fig. 7 is the plane structure chart of the magnetic induction keyboard of the utility model embodiment 3.
Fig. 8 is the Facad structure figure of the key switch of the utility model embodiment 3.
Fig. 9 is the construction profile of the key switch of the utility model embodiment 3.
Figure 10 is the decomposition diagram of the key switch of the utility model embodiment 3.
Figure 11 is the structural schematic diagram of upper housing in the key switch of the utility model embodiment 3.
Figure 12 is the structural schematic diagram of lower case in the key switch of the utility model embodiment 3.
Figure 13 is the structural schematic diagram of handle in the key switch of the utility model embodiment 3.
Figure 14 is the structural schematic diagram of the second elastic element in the key switch of the utility model embodiment 3.
Figure 15 a~Figure 15 c is the working principle diagram of the key switch of the utility model embodiment 3.
Wherein, 1-PCB plate, 2- key switch, 201- upper housing, 2011- fixing buckle, 2012- opening, 202- lower case,
The second guide post of 2021-, 20211- pilot hole, 203- handle, the first guide post of 2031-, the first elastic element of 204-, 205-
Two elastic elements, 2051- torsional spring ontology, 2052- fixed column, 2053- swing arm, 20531- swing hook, 206- light guide plate, 3- Hall are opened
It closes, the contact 301-, 4- magnetic element, 401- magnetic induction line, 5- keycap, 6- upper cover, 7- lower cover, 8- fixed plate, 9- backlight.
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 shown in figure 3, present embodiments providing a kind of magnetic induction keyboard, which includes pcb board 1, multiple key switches
2, multiple Hall switch 3 and multiple magnetic elements 4, key switch 2, Hall switch 3 and magnetic element 4 are one-to-one pass
It is that key switch 2, Hall switch 3 and magnetic element 4 shown in figure are four, each Hall switch 3 is arranged in pcb board 1
On, the key switch of the present embodiment is the key switches such as black axis, red axis.
As shown in Figure 3 and Figure 4, the top of each key switch 2 is covered by a keycap 5 comprising upper housing 201, lower casing
Body 202 and handle 203, upper housing 201 are fixedly linked with lower case 202, and lower case 202 is mounted on pcb board 1, specifically, under
Shell 202 is mounted on pcb board 1 by upper cover 6, and upper cover 6 is fixedly linked with a lower cover 7, the accommodating of upper cover 6 and the formation of lower cover 7
Pcb board 1 is encapsulated by space, is fixed by way of engaging between the upper cover 6 and lower cover 7 of the present embodiment；Handle 203 can on
Under be movably arranged on upper housing 201, form accommodating space between upper housing 201 and lower case 202, set in the accommodating space
There is the first elastic element 204, the first elastic element 204 is located at 203 lower section of handle, which makes handle 3 can
To be pressed down and bounce；Magnetic element 4 is arranged on handle 203, and is located at a upper side of Hall switch 3, for making Hall
3 closing or opening of switch, due to the modes of emplacement of Hall switch 3 and magnetic element 4 relative dislocation in the horizontal direction, Ke Yishi
The miniaturization of existing key switch.
In conjunction with Fig. 3 and Fig. 4, for the working principle of each key switch as shown in Fig. 5 a~Fig. 5 c, Hall switch 3 uses full pole
The chip of Hall effect, such as MH248 can be mounted on pcb board 1, and magnetic element 4 can use magnet, can produce
Magnetic field, the as we can see from the figure magnetic induction line 401 in magnetic field produced by the contact 301 of Hall switch 3 and magnetic element 4, handle 203
When static, magnetic element 4 is in the top of the dislocation of Hall switch 3, which is initial position, as shown in Figure 5 a, magnetic member
The magnetic fields that part 4 generates are on Hall switch 3, and the vertical component of magnetic induction line 401 cuts Hall switch 3, at this time Hall switch 3
Closure, handle 203 push when magnetic element 4 being made to reach the position relatively parallel with Hall switch 3, which is trigger bit
Set, as shown in Figure 5 b, the horizontal center line of magnetic element 4 is parallel with Hall switch 3, magnetic field caused by magnetic element 4 with suddenly
Your contact 301 of switch 3 is non-inductive, and for Hall switch 3, magnetic field strength does not have almost, is equivalent to magnetic field disappearance, at this time suddenly
You disconnect switch 3, work normally key switch；After handle 203 bounces, magnetic element 4 also returns to start bit with handle 203
It sets, as shown in Figure 5 c；As it can be seen that magnetic direction 90 degree of transverse cuts Hall switch always when magnetic element 4 moves up and down, for
Magnetic field is from the variation having to nothing for Hall switch 3, i.e., the moving process of handle 203 from top to bottom is magnetic field by there is the mistake for becoming nothing
Journey.Further, the both ends of magnetic element 4 are respectively that the pole N and the pole S can make when magnetic element 4 is depressed into trigger position
The pole N of magnetic element 4 and Hall switch 3 are horizontal opposite, and the pole S of magnetic element 4 and Hall switch 3 can also be made horizontal opposite,
That is the extremely horizontal face Hall switch 3 in the pole N of magnetic element 4 or S, and with 3 horizontal direction parallel of Hall switch, and magnetic element 4
Horizontal center line (i.e. the center line of the pole N or the pole S) and Hall switch 3 central axis, the vertical center line of magnetic element 4
With the centerline parallel of Hall switch 3.
The modes of emplacement of magnetic element 4 and the relative dislocation of this horizontal direction of Hall switch 3, what Hall switch was incuded
Magnetic field strength is become by original power to be had unchanged, can preferably realize the consistency of firing point, can also be more
It applies well on ultrathin type key switch.Due to this special mode of magnetic element 4, magnetic element 4 is in the horizontal direction
On magnetic direction will be ignored and disregard because the magnetic field in horizontal direction can not cut Hall switch 3, vertical direction is only discussed
On magnetic field, when magnetic element 4 is in the top of the dislocation of Hall switch 3, the magnetic induction line 11 in the magnetic field in vertical direction can be cut
Hall switch 3 is cut, key switch is disconnected, when magnetic element 4 reaches the position relatively parallel with Hall switch 3, magnetic member
The magnetic induction line 11 in the magnetic field of part 4 in vertical direction can not cut to Hall switch 3, and key switch is closed at this time.
The present embodiment is that key switch disconnects when having magnetic field due to normality, so that its anti-interference ability mentions significantly
It is high, it is assumed that key switch is not pressed keyboard at this time, and side just has the earphone of carry magnet to be placed on keycap 5, due in earphone
Magnet it is too close apart from key switch, it is possible to act traditional key switch, but the key switch of the present embodiment is instead
Will not act because periphery is magnetic field-enhanced, key switch is more failure to actuate, to allow key switch movement will peripheral magnetic field just
By internal reverse magnetic field liquidate it is equal just can be with.
By the above, the key switch of the present embodiment has following three big features:
1) magnetic field that Hall switch incudes is become to have unchanged by the key switch of the present embodiment by original power,
So that the conduction position of key switch is more accurate, i.e., key switch has accurate firing point, so that more than the 100 of keyboard
A key switch all has fabulous consistency.
2) key switch of the present embodiment can use ultrathin type key switch.
3) the key switch anti-interference ability of the present embodiment greatly reinforces, under extreme strong magnetic disturbance, would rather not signaling,
Error code will not be sent out.
Under normal circumstances, Hall switch is closed when having magnetic field, and Hall switch disconnects when no magnetic field, but can also accomplish there is magnetic
When Hall switch disconnect, Hall switch is closed when no magnetic field, can be adjusted according to actual needs；In addition, Hall switch 3
It can also be using the chip of monopole Hall effect or the chip of bipolar Hall effect.
Embodiment 2:
As shown in fig. 6, the key switch of the present embodiment is the key switches such as green axis, tea axis, in order to realize that key switch exists
Sound and paragraph sense, the key switch of the present embodiment are generated after pressing, and the second elastic element 205 is additionally provided in accommodating space,
Second elastic element 205 of the present embodiment is elastic piece structure, and handle 203 is equipped with drive block, when handle 203 is pushed or is bounced,
Drive block acts on the second elastic element 205, make the second elastic element 205 shape generate variation, thus generate sound and
Paragraph sense.
Embodiment 3:
As shown in Fig. 7~Figure 10, present embodiments provide a kind of magnetic induction keyboard, the keyboard include pcb board 1, it is multiple by
Key switch 2, multiple Hall switch 3 and multiple magnetic elements 4, key switch 2, Hall switch 3 and magnetic element 4 shown in figure
It is three, key switch 2, Hall switch 3 and magnetic element 4 are one-to-one relationship, and each setting of Hall switch 3 exists
On pcb board 1, the key switch of the present embodiment is the key switches such as green axis, tea axis；Each key switch 2 include upper housing 201,
Lower case 202 and handle 203, upper housing 201 are fixedly linked with lower case 202, and lower case 202 is mounted on PCB by fixed plate 8
On plate 1, fixed by way of screw between pcb board 1 and fixed plate 12；Upper housing can be arranged in handle 203 up or down
On 201, accommodating space is formed between upper housing 201 and lower case 202, the first elastic element 204 is equipped in the accommodating space, the
One elastic element 204 is located at 203 lower section of handle, which allows handle 3 to be pressed down and bounce；It is magnetic
Element 4 is arranged on handle 203 apart from the closer side of Hall element 3, and is located at a upper side of Hall switch 3, for making
3 closing or opening of Hall switch can due to the modes of emplacement of Hall switch 3 and magnetic element 4 relative dislocation in the horizontal direction
To realize the miniaturization of key switch.
Transparent watertight paint can be immersed, brushes or spray by posting the pcb board 1 after the completion of all elements and functional test, make PCB
The outer surface of plate 1 has layer protecting film, transparent watertight paint light-permeable, and the normal function for not influencing pcb board 1 plays, and makes to protect
Cuticula plays the role of anti-insulation, antistatic, waterproof and dustproof to pcb board 1.
In order to realize that key switch generates sound and paragraph sense after pressing, is additionally provided in the accommodating space of the present embodiment
Two elastic elements 205, handle 203 is equipped with drive block, and when handle 203 is pushed or bounced, drive block acts on the second elasticity member
On part 205, the shape of the second elastic element 205 is set to generate variation, to generate sound and paragraph sense.
As shown in Fig. 8~Figure 14, second elastic element 205 of the present embodiment is torsional spring structure, which includes turning round
Spring ontology 2051, fixed column 2052 and swing arm 2053, the first end of fixed column 2052 are fixed in lower case 202, fixed column
2052 second end is connected with torsional spring ontology 2051, and the first end of swing arm 2053 is located at the top of guide ramp, and is located at driving
The second end of the lower section of block, swing arm 2053 is connected with torsional spring ontology 2051, when pressing pressuring press handle 203, the first end of swing arm 2053
It is moved down by guiding surface, so that the first end of swing arm 2053 is guided abjection drive block by guide ramp, so that torsional spring knot
The first end of structure momentary reset, swing arm 2053 hits lower case 202 and generates sound.
Further, the first end of swing arm 2053 forms swing hook 20531, and swing hook 20531 and swing arm 2053 are located at same water
Plane, and swing hook 20531 has connected circular arc bending part and the second horizontal part.
The lower end of the handle 203 is equipped with the first guide post 2031, and correspondingly, the bottom in lower case 202 also is provided with the
Two guide posts 2021, second guide post 2021 have pilot hole 20211, and the first guide post 301 is inserted into the pilot hole 2011, the
One elastic element 204 is spring, which is set in 2021 outside of the first guide post 2031 and the second guide post；Lower case 202
It is inside additionally provided with resettlement groove and limit buckle, torsional spring ontology 2051 and fixed column 2052 are placed in resettlement groove, and limit buckle 205 can limit
The position of fixed pendulum arm 2053.
In order to realize background luminescence function, the keyboard of the present embodiment further includes multiple backlights 9, which uses LED
Lamp is arranged on pcb board 1, can specifically be mounted on pcb board 1, correspondingly, in accommodating space be additionally provided with light guide plate 206,
The light guide plate 206 is for transmiting the light that backlight 9 is issued；It will be appreciated by those skilled in the art that can also in accommodating space
It is provided with loophole to be not provided with light guide plate 206, upper housing 201 and lower case 202 in the corresponding position of backlight 9, equally may be used
To transmit the light that backlight 9 is issued.
The working principle of the key switch of the present embodiment is similar to Example 1 as shown in Figure 15 a~Figure 15 c, herein no longer
It repeats one by one.
In conclusion Hall switch is arranged on pcb board the utility model, and magnetic element is arranged in handle
On, and magnetic element is located at a upper side of Hall switch, the central axis of each Hall switch is in corresponding magnetic element
Horizontal center line, and be parallel to the vertical center line of corresponding magnetic element, in the horizontal direction due to Hall switch and magnetic element
The modes of emplacement of upper relative dislocation, when handle is static, magnetic element is in initial position, and the magnetic fields generated are in Hall
On switch, 90 degree of transverse cuts Hall switch of magnetic induction line in magnetic field, when handle pushing reaches magnetic element and Hall switch phase
When to parallel position, the horizontal center line of magnetic element is parallel with Hall switch, magnetic field and Hall caused by magnetic element
The contact of switch is non-inductive, and for Hall switch, magnetic field strength does not have almost, is equivalent to magnetic field disappearance, i.e. Hall switch institute
The magnetic field strength of induction become by original power have it is unchanged so that the conduction position of key switch is more accurate,
I.e. key switch has accurate firing point, so that a key switch all has fabulous consistency more than the 100 of keyboard,
And anti-interference ability greatly reinforces, under extreme strong magnetic disturbance, would rather not signaling, error code will not be sent out；In addition, this is practical new
The key switch of ultrathin type can be used compared with the prior art is due to the limitation of moving distance and working principle in type.
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 magnetic induction keyboard, including pcb board and the multiple key switches being arranged on pcb board, each key switch includes
Handle moving up and down, which is characterized in that it further include multiple Hall switch and multiple magnetic elements, the key switch, suddenly
You are one-to-one relationship switch with magnetic element, and each Hall switch is arranged on pcb board, each magnetic element setting
On the handle of corresponding key switch, and it is located at a upper side of corresponding Hall switch, the central axis of each Hall switch
In the horizontal center line of corresponding magnetic element, and it is parallel to the vertical center line of corresponding magnetic element；
For each key switch and its corresponding Hall switch and magnetic element, when handle is static, produced by magnetic element
Magnetic fields on Hall switch, 90 degree of transverse cuts Hall switch of magnetic induction line in magnetic field produced by magnetic element work as handle
When pushing the position for keeping magnetic element arrival relatively parallel with Hall switch, the horizontal center line and Hall switch of magnetic element are flat
It goes, magnetic field caused by magnetic element and the contact of Hall switch are non-inductive.
2. magnetic induction keyboard according to claim 1, which is characterized in that the Hall switch is using full pole Hall effect
Chip.
3. -2 described in any item magnetic induction keyboards according to claim 1, which is characterized in that each key switch further includes upper casing
Body and lower case, the upper housing are fixedly linked with lower case, and the lower case is mounted on pcb board, and the handle can be upper and lower
It is movably arranged on upper housing, forms accommodating space between the upper housing and lower case, the is equipped in the accommodating space
One elastic element, first elastic element are located at below handle.
4. magnetic induction keyboard according to claim 3, which is characterized in that be additionally provided with the second elasticity member in the accommodating space
Part, the handle are equipped with drive block, and when the handle is pushed or bounced, the drive block is acted on the second elastic element,
The shape of the second elastic element is set to generate variation.
5. magnetic induction keyboard according to claim 4, which is characterized in that guide ramp is equipped in the lower case, it is described
Second elastic element is torsional spring structure, and the torsional spring structure includes torsional spring ontology, fixed column and swing arm, the first of the fixed column
End is fixed in lower case, and the second end of fixed column is connected with torsional spring ontology, and the first end of the swing arm is located in guide ramp
Side, and it is located at the lower section of drive block, the second end of swing arm is connected with torsional spring ontology.
6. magnetic induction keyboard according to claim 4, which is characterized in that second elastic element is elastic piece structure.
7. magnetic induction keyboard according to claim 3, which is characterized in that the lower end of the handle is equipped with the first guide post,
The intracorporal bottom of lower casing is equipped with the second guide post, and second guide post has pilot hole, the first guide post insertion
The pilot hole.
8. magnetic induction keyboard according to claim 7, which is characterized in that first elastic element is spring structure, institute
Spring structure is stated to be set on the outside of the first guide post and the second guide post.
9. magnetic induction keyboard according to claim 3, which is characterized in that the upper housing is equipped with fixing buckle and opening,
Upper housing is fixedly linked by fixing buckle and lower case, and the handle passes through opening, and upper housing can be arranged in up or down
On.
10. -2 described in any item magnetic induction keyboards according to claim 1, which is characterized in that it further include multiple backlights, it is described
Key switch, Hall switch, magnetic element and backlight are one-to-one relationship, and each backlight is arranged on pcb board,
And it is located at the lower section of corresponding key switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925856 | 2018-11-21 | ||
| CN201821925856X | 2018-11-21 |
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| Publication Number | Publication Date |
|---|---|
| CN209526035U true CN209526035U (en) | 2019-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910186992.4A Pending CN110048704A (en) | 2018-11-21 | 2019-03-13 | Magnetic induction keyboard |
| CN201920318451.8U Active CN209526035U (en) | 2018-11-21 | 2019-03-13 | Magnetic induction keyboard |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910186992.4A Pending CN110048704A (en) | 2018-11-21 | 2019-03-13 | Magnetic induction keyboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048704A (en) * | 2018-11-21 | 2019-07-23 | 乐清市合盈电子有限公司 | Magnetic induction keyboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021093757A1 (en) * | 2019-11-12 | 2021-05-20 | 珠海市学思电子科技有限公司 | Magnetomotive keyboard and working method for magnetomotive keyboard |
| CN110658922A (en) * | 2019-11-12 | 2020-01-07 | 珠海市学思电子科技有限公司 | Magnetic power keyboard |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013131040A (en) * | 2011-12-21 | 2013-07-04 | Yamaha Corp | Input device |
| CN204441154U (en) * | 2014-12-30 | 2015-07-01 | 东莞市环诺电子科技有限公司 | A kind of non-contacting keypad switch of multicolor backlight |
| CN204375615U (en) * | 2015-02-06 | 2015-06-03 | 郝小妮 | Based on the dynamo-electric separating type mechanical keyboard of Hall switch |
| CN105355496A (en) * | 2015-11-24 | 2016-02-24 | 东莞市高特电子有限公司 | Hall principle based LED lamp mechanical keyboard switch |
| CN110048704A (en) * | 2018-11-21 | 2019-07-23 | 乐清市合盈电子有限公司 | Magnetic induction keyboard |
-
2019
- 2019-03-13 CN CN201910186992.4A patent/CN110048704A/en active Pending
- 2019-03-13 CN CN201920318451.8U patent/CN209526035U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048704A (en) * | 2018-11-21 | 2019-07-23 | 乐清市合盈电子有限公司 | Magnetic induction keyboard |
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