CN209461341U - A kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight - Google Patents
A kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight Download PDFInfo
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- CN209461341U CN209461341U CN201920528491.5U CN201920528491U CN209461341U CN 209461341 U CN209461341 U CN 209461341U CN 201920528491 U CN201920528491 U CN 201920528491U CN 209461341 U CN209461341 U CN 209461341U
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- magnetic field
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- permanent magnet
- keycap
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Abstract
The utility model aim provides a kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight, including keycap, and the permanent magnet being arranged below keycap, the hall sensor being arranged below permanent magnet, the permanent magnet, hall sensor coaxial arrangement are in the cavity of same both ends open, it further include the electromagnetic field generating coil being arranged below the hall sensor, the electromagnetic field generating coil is fixed on pcb board, and the pcb board is located at below cavity and is detachably connected with cavity.This programme perceives the principle of keyboard using Hall magnetic field, by the way that electromagnetic field generating coil is arranged in the lower section of hall sensor, the magnetic field strength occurred by adjusting electromagnetic field generating coil, to adjust the repulsive force between permanent magnet and electromagnetic field generating coil, to change the pressing dynamics of key, solving current keyboard, there are no the keyboards of adjustable keystroke dynamics, according to the problem that keystroke dynamics of the use habit of different people to keyboard are all different.
Description
Technical field
The utility model belongs to a kind of keyboard axis body, and in particular to a kind of Hall magnetic field perception key of adjustable pressing weight
Dish axle body.
Background technique
Key general at present has mechanical key, silica gel push-button and film key, wherein has machinery to open in mechanical key
It closes, has metal spring inside mechanical switch, the function of on and off is realized by being turned on or off for contact, simple process, still
Sound is larger, and is unable to water proof and dust proof.
Silica gel push-button has the characteristics that excellent heat resistance, cold resistance, environment resistant, electric insulating quality, fatigue durability, but
Be belong to sense of touch type switch there is still a need for realizing the function of on and off using being turned on or off for hard contact, thus cannot its into
The encapsulation process of row water proof and dust proof.
Film key has been covered with metal dots on conductive film, when key moves downward, leading below key
Electric glue material either metal clips has just been fallen on above metal dots, achievees the effect that connection, to complete relevant work.With
Traditional silica gel push-button is compared, and film key has better feel, longer service life, can be improved indirectly using conductive film
All types of switches production efficiency.Film key is a kind of sense of touch type switch, cannot be carried out at water proof and dust proof to film key
It manages, otherwise film key cisco unity malfunction.
Magnetic Hall key is perceived using the magnetic variation rate of Hall element and magnet.
On the basis of with upper keyboard, there are no the keyboards of adjustable keystroke dynamics for current keyboard, and in life,
In different places and under different service conditions or according to the use habit of different people, all to the keystroke dynamics of keyboard
It is different.
Utility model content
The utility model mesh provides a kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight, solves at present
Keyboard there are no the keyboards of adjustable keystroke dynamics, and in life, in different places and in different use feelings
Under condition or according to the use habit of different people, all different problem of the keystroke dynamics to keyboard.
The technology employed by the present utility model is
A kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight, including be arranged below keycap and keycap
Permanent magnet, the hall sensor that permanent magnet lower section is arranged, the permanent magnet, hall sensor coaxial arrangement are in same both ends open
Cavity in, further include the electromagnetic field generating coil being arranged below the hall sensor, the electromagnetic field generating coil is fixed on
On pcb board, the pcb board is located at below cavity and is detachably connected with cavity.This programme is using Hall magnetic field perception keyboard
Principle is strong by adjusting the magnetic field that electromagnetic field generating coil occurs by the way that electromagnetic field generating coil is arranged in the lower section of hall sensor
Degree, to change the pressing dynamics of key, solves at present to adjust the repulsive force between permanent magnet and electromagnetic field generating coil
Keyboard there are no the keyboards of adjustable keystroke dynamics, and in life, in different places and in different use feelings
Under condition or according to the use habit of different people, all different problem of the keystroke dynamics to keyboard.
Further, it is horizontally arranged with partition in the middle part of cavity, cavity is divided into upper cavity and lower chamber by the partition, described
Partition is between permanent magnet and hall sensor.Since magnetic field penetration acts on, partition can be passed through with magnetic field and permanent magnet rebounds,
Caused changes of magnetic field without hindrance can also be incuded by hall sensor when permanent magnet pressing simultaneously, therefore, pass through cavity
Partition is laterally arranged in middle part, and cavity is divided into upper cavity and lower chamber, and key part is set on partition, electric part setting
Under partition, in this way, dust-proof and waterproof effect can be realized by partition, increase the practicability of keyboard.
Further, magnetic core is provided in electromagnetic field generating coil.
Further, magnetic core is soft magnetic core.When soft magnetic core is arranged, when coil no power, soft magnetic core without
Magnetic field, at this point, keycap is can to save space at this point, can be applied to space on notebook in the state being bonded with partition.
Further, magnetic core is Hard Magnetic magnetic core.When magnetic core is Hard Magnetic magnetic core, in the cold situation of coil, Hard Magnetic
Magnetic core can also have magnetic field, therefore, keycap can also be made to be in non-pressed state in cold situation, maintain keyboard shape
State is suitable for external keyboard at this time.
Further, limited block is symmetrically arranged on the outside of the cavity wall of cavity upper end, the lower section of the keycap is symmetrical arranged
Have with the matched position limiting clamp of limited block, the position limiting clamp include vertically disposed grip block and grip block lower end setting direction
The inclined position-limited claw of cavity wall；The lower end of the limited block is provided with and the matched inclined-plane of position-limited claw.Pass through limited block and limit
The limit of pawl, the position of fixed keycap；By being arranged to inclined-plane, keycap easy to disassemble, in this way, can be according to happiness below limited block
Good or keycap replaces keycap when damaging.
Further, the upper end of limited block is provided with inclined-plane, and the inclined-plane is higher than the other side close to the side of cavity wall.It is logical
It crosses the top in limited block and inclined-plane is set, facilitate the installation of keycap.
Further, permanent magnet is provided with a circle cushion below keycap.By the way that cushion is arranged, reduce keycap and cavity
The sound of wall collision, reduces noise.
The utility model has the following advantages and benefits:
1, the utility model perceives the principle of keyboard using Hall magnetic field, by the way that magnetic field is arranged in the lower section of hall sensor
Coil occurs, the magnetic field strength occurred by adjusting electromagnetic field generating coil, to adjust between permanent magnet and electromagnetic field generating coil
Repulsive force solve current keyboard there are no the keyboard of adjustable keystroke dynamics to change the pressing dynamics of key,
And in life, in different places and under different service conditions or according to the use habit of different people, to keyboard
The all different problem of keystroke dynamics；
2, the utility model can be passed through partition with magnetic field and permanent magnet be rebounded due to magnetic field penetration effect, while permanent magnet
Caused changes of magnetic field without hindrance can also be incuded by hall sensor when pressing, therefore, by laterally setting in the middle part of cavity
Set partition, cavity be divided into upper cavity and lower chamber, key part is set on partition, electric part be set to partition it
Under, in this way, dust-proof and waterproof effect can be realized by partition, increase the practicability of keyboard；
3, the utility model realizes different service conditions, increases the practicability of keyboard by the way that different magnetic cores is arranged；Pass through
The limit of limited block and position-limited claw, the position of fixed keycap；By being arranged to inclined-plane below limited block, keycap easy to disassemble, such as
This, replaces keycap when can damage according to hobby or keycap；By the way that inclined-plane is arranged in the top of limited block, facilitate the peace of keycap
Dress；By the way that cushion is arranged, reduces the sound of keycap and cavity wall collision, reduce noise.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the schematic diagram of the section structure of the utility model.
Label and corresponding parts title in attached drawing:
1- keycap, 2- partition, 3- permanent magnet, 4- hall sensor, 5- electromagnetic field generating coil, 6- magnetic core, 7-PCB plate, 8-
Upper cavity；9- lower chamber, 10- limited block, 11- position limiting clamp, 12- cushion.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1:
As shown in Figure 1, a kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight is present embodiments provided, 1. 1
The Hall magnetic field of the adjustable pressing weight of kind perceives the permanent magnet 3 of setting below keyboard axis body, including keycap 1 and keycap, forever
The hall sensor 4 being arranged below magnet 3, the permanent magnet 3, the coaxial arrangement of hall sensor 4 are in the chamber of same both ends open
In body, it is characterised in that: further include the electromagnetic field generating coil 5 being arranged below the hall sensor 4, line occurs for the magnetic field
Circle 5 is fixed on pcb board 7, and the pcb board 7 is located at below cavity and is detachably connected with cavity.When implementation, magnetic field occurs
The use of coil 5 is the coil in DC coil magnetic field generator, controls magnetic field by the size of current of control DC coil
Size.And the polarity of magnetic field upper end and the magnetism of permanent magnet lower end of the generation of electromagnetic field generating coil 5 are identical；
When implementation, it is horizontally arranged with partition 2 in the middle part of cavity, cavity is divided into upper cavity 8 and lower chamber 9, institute by the partition 2
Partition 2 is stated between permanent magnet 3 and hall sensor 4.Magnetic core 6 is provided in the electromagnetic field generating coil 5.
It is symmetrically arranged with limited block 10 on the outside of the cavity wall of cavity upper end, the lower section of the keycap 1 is symmetrically arranged with and limits
The position matched position limiting clamp 11 of block 10, the position limiting clamp 11 include vertically disposed grip block and the direction that grip block lower end is arranged
The inclined position-limited claw of cavity wall；The lower end of the limited block 10 is provided with and the matched inclined-plane of position-limited claw.When implementation, upper cavity top
Hold the height h1 apart from cushion between 4mm~11mm, position-limited claw bottom terminal ends in keyboard non-pressed state from partition away from
From h2 between 5mm~12mm, and h1 is less than h2, and the switch over travel of Hall key is that distance is h1.
The upper end of limited block 10 is provided with inclined-plane, and the inclined-plane is higher than the other side close to the side of cavity wall.1 lower section of keycap
Permanent magnet 3 is provided with a circle cushion 12.Foam pad or rubber pad can be used in the cushion 12.Pass through limited block and position-limited claw
Limit, the position of fixed keycap；By being arranged to inclined-plane, keycap easy to disassemble, in this way, can be according to hobby below limited block
Or keycap is replaced when keycap damage, when replacing keycap, directly keycap is broken out, due to lowermost limit pawl and limited block
Between be inclined-plane cooperation, when breaking out inclined-plane squeeze locating part make locating part generate deformation, locating part is integrally formed with keycap
's.When new keycap is installed, by the way that inclined-plane is arranged in the top of limited block, facilitate the installation of keycap.
In Hall key, when non-pressing keys cap, permanent magnet is between highest position, with hall sensor 204
Distance be h2, at this time hall sensor because coil magnetic field export a level.When pressing the button cap, permanent magnet is moved to
At bottom position, the magnetic field that a large amount of coils of the magnetic field cancellation of permanent magnet occur, hall sensor exports another level at this time,
The operation of case is perceived as a result,.
When adjusting pressing dynamics, the signal detection circuit that should control hall sensor is disconnected, and is adjusted to pressure
Afterwards, restore detection again, occur the perception information of mistake after avoiding Hall sensor from sensing changes of magnetic field.
Embodiment 2
The magnetic core 6 is soft magnetic core.When soft magnetic core is arranged, when coil no power, soft magnetic core without magnetic field,
At this point, keycap is can to save space at this point, can be applied to space on notebook in the state being bonded with partition.
Embodiment 3
The magnetic core 6 is Hard Magnetic magnetic core.When magnetic core is Hard Magnetic magnetic core, in the cold situation of coil, Hard Magnetic magnetic core
Also magnetic field can be had, therefore, keycap can also be made to be in non-pressed state in cold situation, maintain keyboard form, this
When be suitable for external keyboard.
As stated above, the principle using Hall magnetic field perception keyboard is had the effect that using this programme, by Hall
Electromagnetic field generating coil is arranged in the lower section of inductor, the magnetic field strength occurred by adjusting electromagnetic field generating coil, to adjust permanent magnetism
Repulsive force between iron and electromagnetic field generating coil solves current keyboard and not yet may be used to change the pressing dynamics of key
To adjust the keyboard of keystroke dynamics, and in life, in different places and under different service conditions or according to difference
People use habit, all different problem of the keystroke dynamics to keyboard；It is acted on, can be passed through with magnetic field using magnetic field penetration
Partition rebounds permanent magnet, while caused changes of magnetic field without hindrance can also be felt by hall sensor when permanent magnet pressing
It answers, therefore, by the way that partition is laterally arranged in the middle part of cavity, cavity is divided into upper cavity and lower chamber, key part is set to partition
On, electric part is set under partition, in this way, dust-proof and waterproof effect, increasing key can be realized by partition
The practicability of disk；By the way that different magnetic cores is arranged, realizes different service conditions, increase the practicability of keyboard；By limited block with
The limit of position-limited claw, the position of fixed keycap；By being arranged to inclined-plane, keycap easy to disassemble, in this way, can root below limited block
Keycap is replaced when damaging according to hobby or keycap；By the way that inclined-plane is arranged in the top of limited block, facilitate the installation of keycap；Pass through setting
Cushion reduces the sound of keycap and cavity wall collision, reduces noise.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of Hall magnetic field of adjustable pressing weight perceives setting below keyboard axis body, including keycap (1) and keycap
Permanent magnet (3), the hall sensor (4) that permanent magnet (3) lower section is arranged, the permanent magnet (3), hall sensor (4) are coaxially set
It is placed in the cavity of same both ends open, it is characterised in that: further include that the magnetic field being arranged below the hall sensor (4) is sent out
Raw coil (5), the electromagnetic field generating coil (5) are fixed on pcb board (7), and the pcb board (7) is located at below cavity and and chamber
Body is detachably connected.
2. a kind of Hall magnetic field of adjustable pressing weight according to claim 1 perceives keyboard axis body, it is characterised in that:
It is horizontally arranged with partition (2) in the middle part of the cavity, cavity is divided into upper cavity (8) and lower chamber (9) by the partition (2), described
Partition (2) is located between permanent magnet (3) and hall sensor (4).
3. a kind of Hall magnetic field of adjustable pressing weight according to claim 1 perceives keyboard axis body, it is characterised in that:
Magnetic core (6) are provided in the electromagnetic field generating coil (5).
4. a kind of Hall magnetic field of adjustable pressing weight according to claim 3 perceives keyboard axis body, it is characterised in that:
The magnetic core (6) is soft magnetic core.
5. a kind of Hall magnetic field of adjustable pressing weight according to claim 3 perceives keyboard axis body, it is characterised in that:
The magnetic core (6) is Hard Magnetic magnetic core.
6. a kind of Hall magnetic field of adjustable pressing weight according to claim 1 perceives keyboard axis body, it is characterised in that:
It is symmetrically arranged with limited block (10) on the outside of the cavity wall of the cavity upper end, is symmetrically arranged with and limits below the keycap (1)
Position block (10) matched position limiting clamp (11), the position limiting clamp (11) include vertically disposed grip block and the setting of grip block lower end
Towards the inclined position-limited claw of cavity wall；The lower end of the limited block (10) is provided with and the matched inclined-plane of position-limited claw.
7. a kind of Hall magnetic field of adjustable pressing weight according to claim 6 perceives keyboard axis body, it is characterised in that:
The upper end of the limited block (10) is provided with inclined-plane, and the inclined-plane is higher than the other side close to the side of cavity wall.
8. a kind of Hall magnetic field of adjustable pressing weight according to claim 1 perceives keyboard axis body, it is characterised in that:
Permanent magnet (3) are provided with a circle cushion (12) below the keycap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528491.5U CN209461341U (en) | 2019-04-17 | 2019-04-17 | A kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528491.5U CN209461341U (en) | 2019-04-17 | 2019-04-17 | A kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461341U true CN209461341U (en) | 2019-10-01 |
Family
ID=68048033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920528491.5U Expired - Fee Related CN209461341U (en) | 2019-04-17 | 2019-04-17 | A kind of Hall magnetic field perception keyboard axis body of adjustable pressing weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461341U (en) |
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2019
- 2019-04-17 CN CN201920528491.5U patent/CN209461341U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |