CN210984573U - Pressure-sensing key device, automobile steering wheel and vehicle - Google Patents
Pressure-sensing key device, automobile steering wheel and vehicle Download PDFInfo
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- CN210984573U CN210984573U CN201921682718.8U CN201921682718U CN210984573U CN 210984573 U CN210984573 U CN 210984573U CN 201921682718 U CN201921682718 U CN 201921682718U CN 210984573 U CN210984573 U CN 210984573U
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Abstract
The utility model provides a pressure sensing button device, which comprises an entity button layer, a soft button layer, a double-layer circuit board and a device base in sequence; the solid key layer comprises a key supporting seat and a plurality of solid keys; the soft key layer is provided with a plurality of soft keys, and upper/lower conductive contacts which are separated by a first pressing stroke are arranged on the soft keys; the double-layer circuit board comprises an upper layer circuit board and a lower layer circuit board, wherein a plurality of sets of switch contacts are arranged on the upper layer circuit board and the lower layer circuit board, the switch contacts comprise upper layer switch contacts and lower layer switch contacts which are positioned on the upper layer circuit board and the lower layer circuit board, and the distance between the upper layer switch contacts and the lower layer switch contacts is a second pressing stroke; at least one of the lower switch contact and the lower conductive contact is an elastic contact, and the deformation quantity larger than the difference between the first pressing stroke and the second pressing stroke can be generated by stress. The pressure sensing key equipment can realize that the same entity key outputs two different control signals under different pressing force states, thereby greatly compressing the occupied space. The utility model also provides a steering wheel and vehicle.
Description
Technical Field
The utility model belongs to the mobile unit field, more specifically say, relate to a button equipment, auto steering wheel and vehicle of pressure perception.
Background
With the increasing intellectualization of automobiles, the vehicle-mounted game is an inevitable trend of automobile development in the future, however, the vehicle-mounted game is limited to the driving function and the limited space of an automobile steering wheel, and the layout of keys on the automobile steering wheel has larger limitation, which puts higher requirements on the space compression of the layout of the keys.
At present, for space compression of keys, the most widely known is the 3D Touch technology of iPhone, and the technology can utilize a Touch area as an identification parameter, identify the state of pressing force according to the judgment of a corresponding sensor on a screen, and output different control signals according to different pressing force states, so that different function outputs are generated at the same Touch screen key position, and the space occupied by multiple function keys is effectively compressed.
However, the 3D Touch technology is mainly used for electronic products, and in addition, a Touch screen needs to be mounted, which is difficult to be applied to a steering wheel of an automobile, and does not meet the requirements of driving of the automobile on stability and reliability. Therefore, it is an urgent need to solve the above-mentioned problems by those skilled in the art to find a stable and reliable key device suitable for a steering wheel of an automobile, which effectively reduces the occupied space of the key.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a button equipment, auto steering wheel and vehicle of pressure perception to it is limited to solve on-vehicle button overall arrangement space, is difficult to the problem of extended functionality button.
In order to achieve the above object, the utility model adopts the following technical scheme: providing pressure sensing key equipment which sequentially comprises a solid key layer, a soft key layer, a double-layer circuit board and an equipment base;
the solid key layer comprises a key supporting seat and a plurality of solid keys arranged on the key supporting seat;
the soft key layer is provided with a plurality of soft keys which correspond to the entity keys one by one, and each soft key is provided with an upper layer conductive contact and a lower layer conductive contact which are separated by a first pressing stroke;
the double-layer circuit board comprises an upper layer circuit board and a lower layer circuit board, wherein a plurality of sets of switch contacts which are in one-to-one correspondence with the soft keys are arranged on the double-layer circuit board, each set of switch contact comprises an upper layer switch contact positioned on the upper layer circuit board and a lower layer switch contact positioned on the lower layer circuit board, the distance between the upper layer switch contact and the lower layer switch contact in each set of switch contacts is a second pressing stroke, and the second pressing stroke is smaller than the first pressing stroke;
in arbitrary a pair of switch contact and software button, upper switch contact and upper conductive contact correspond to set up and make when contacting upper circuit board switches on, lower floor's switch contact and lower conductive contact correspond to set up and make when contacting lower floor's circuit board switches on, lower floor's switch contact with at least one in the lower floor's conductive contact is elastic contact, elastic contact atress can produce and is greater than first stroke of pressing with the second presses the deformation volume of stroke difference.
Optionally, the upper layer switch contact is annular.
Optionally, the software key is a silica gel key.
Optionally, the difference between the first pressing stroke and the second pressing stroke is 0.15 to 0.25 mm.
Optionally, the lower switch contact is an elastic contact, and a spring with an elastic deformation range larger than or equal to the deformation amount is embedded in the elastic contact.
Optionally, when the lower layer circuit board is conducted and the upper layer circuit board is not conducted, the key device outputs a first signal; and when the lower layer circuit board and the upper layer circuit board are both conducted, the key equipment outputs a second signal.
Optionally, the double-layer circuit board further includes an identification chip, configured to determine whether a time interval between successive conduction exceeds a preset interval time when the lower-layer circuit board and the upper-layer circuit board are successively conducted, if yes, identify that the lower-layer circuit board is conducted and the upper-layer circuit board is not conducted, and if not, identify that both the lower-layer circuit board and the upper-layer circuit board are conducted.
The utility model also provides a steering wheel, including foretell pressure perception's button equipment.
The utility model also provides a vehicle, including foretell pressure perception's button equipment, perhaps, including foretell steering wheel.
The utility model provides a pair of button equipment of pressure perception's beneficial effect lies in: compared with the prior art, the utility model discloses can realize that same entity button exports two different control signals under the pressing force state of difference, and only occupy the space of an entity button, compress the shared space of key set greatly to the equipment structure of entity button can perfectly be applicable to the auto steering wheel, compares in touch button and has promoted stability and reliability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is an exploded view of a pressure sensing button device according to an embodiment of the present invention;
fig. 2 is a top view of a double-layer circuit board provided in an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a key and a circuit board of a pressure sensing key device according to an embodiment of the present invention in a non-operating state;
fig. 4 is a schematic cross-sectional view of a key and a circuit board of a pressure-sensing key device according to an embodiment of the present invention in a light-pressed state;
fig. 5 is a schematic cross-sectional view of a key and a circuit board of the pressure-sensing key device according to an embodiment of the present invention in a heavy-pressing state.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Referring to fig. 1 to 5, a pressure sensing key device according to the present invention will now be described. The pressure sensing key equipment sequentially comprises an entity key layer 1, a software key layer 2, a double-layer circuit board 3 and an equipment base 4;
the solid key layer 1 comprises a key supporting seat 11 and a plurality of solid keys 12 arranged on the key supporting seat 11;
a plurality of soft keys 21 corresponding to the solid keys 12 one by one are arranged on the soft key layer 2, and an upper conductive contact 22 and a lower conductive contact 23 which are separated by a first pressing stroke are arranged on each soft key 21;
the double-layer circuit board 3 comprises an upper layer circuit board 31 and a lower layer circuit board 32, wherein a plurality of sets of switch contacts corresponding to the soft keys 21 one by one are arranged on the double-layer circuit board, each set of switch contact comprises an upper layer switch contact 33 positioned on the upper layer circuit board 31 and a lower layer switch contact 34 positioned on the lower layer circuit board 32, the distance between the upper layer switch contact 33 and the lower layer switch contact 34 in each set of switch contact is a second pressing stroke, and the second pressing stroke is smaller than the first pressing stroke;
in any pair of switch contacts and software button 21, upper switch contact 33 and upper conductive contact 22 make when corresponding the setting and the contact upper circuit board 31 switches on, lower floor's switch contact 34 makes when corresponding the setting and the contact with lower floor's conductive contact 23 lower floor's circuit board 32 switches on, lower floor's switch contact 34 with at least one in the lower floor's conductive contact 23 is elastic contact, elastic contact atress can produce and is greater than the first deformation amount of pressing the stroke with the difference of stroke is pressed to the second.
Preferably, as shown in fig. 2, the upper switch contact 33 may be a ring-shaped contact, which may effectively increase the contact area and is adapted to most of the silicone keys.
Preferably, the software key 21 may be a silicone key.
Preferably, a difference between the first pressing stroke and the second pressing stroke may be 0.15 to 0.25mm, and particularly, a difference between the first pressing stroke and the second pressing stroke is 0.2 mm.
Preferably, the lower switch contact 34 may be an elastic contact, and a spring having an elastic deformation range greater than or equal to the deformation amount is embedded inside the elastic contact, it can be understood that the deformation direction of the spring is consistent with the pressing direction of the physical key, and the soft-pressing state and the hard-pressing state of the physical key can be effectively distinguished by controlling the elastic coefficient of the spring.
Preferably, when the lower circuit board 32 is turned on and the upper circuit board 31 is not turned on, the key device outputs a first signal; when the lower layer circuit board 32 and the upper layer circuit board 31 are both conducted, the key device outputs a second signal.
Preferably, the double-layer circuit board 3 further includes an identification chip, configured to determine whether a time interval between successive conduction exceeds a preset interval time when the lower-layer circuit board 32 and the upper-layer circuit board 31 are successively conducted, if yes, identify that the lower-layer circuit board 32 is conducted and the upper-layer circuit board 31 is not conducted, and if not, identify that both the lower-layer circuit board 32 and the upper-layer circuit board 31 are conducted.
For ease of understanding, the operating principle and the operating state of the key device will be described in detail below:
as shown in fig. 3, in the non-operating state, the physical key is not pressed, and the corresponding software key is in the non-pressed state, at this time, the lower conductive contact 23 is separated from the lower switch contact 34 by the stroke S1, and the upper conductive contact 22 is separated from the upper switch contact 33 by the stroke S2, so that both pairs of contacts are not in contact, and neither of the upper circuit board 31 and the lower circuit board 32 is conducted.
As shown in fig. 4, in an operating state, a user may lightly press any physical key, and the physical key is pressed to push a software key below the physical key, so that the software key is pushed by a lightly pressing acting force to generate a displacement S1, at this time, the lightly pressing acting force is not enough to cause the elastic contact to generate a deformation greater than a preset deformation amount (which may be 0.2mm), that is, S1+ the current deformation amount is less than S2, at this time, the lower conductive contact 23 is in contact with the lower switch contact 34, and the lower circuit board 32 is turned on; the upper conductive contact 22 is still spaced apart from the upper switch contact 33 by a distance (S2-S1-current deformation amount), the upper conductive contact 22 is not in contact with the upper switch contact 33, the upper wiring board 31 is not conductive, and only the lower wiring board 32 of the key device is conductive, thereby outputting the first signal.
As shown in fig. 5, in the operating state, the user can press any physical key again, and the physical key is pressed to push the software key below the physical key, so that the software key is pushed downwards by the pressing force to generate a displacement S2, at this time, the pressing force is enough to make the elastic contact generate a deformation greater than a preset deformation amount (which may be 0.2mm), that is, S1+ the current deformation amount is greater than or equal to S2, at this time, the lower conductive contact 23 is in contact with the lower switch contact 34, and the lower circuit board 32 is turned on; the upper layer conductive contact 22 is also in contact with the upper layer switch contact 33, the upper layer circuit board 31 is turned on, and therefore, both the upper layer circuit board 32 and the lower layer circuit board 32 are turned on, and the key device outputs the second signal.
In this embodiment, in order to avoid that the key device is pressed again to determine that the lower layer circuit board 32 is turned on and output the first signal first, the double-layer circuit board 3 may be additionally provided with an identification chip, an interval time △ T may be preset on the identification chip, when the lower layer circuit board 32 is turned on, the identification chip may wait for at least one interval time △ T, if the upper layer circuit board 31 is also turned on within an interval time △ T, it is identified that the lower layer circuit board 32 and the upper layer circuit board 31 are both turned on, that is, the current pressing state of the user is pressed again, otherwise, if the upper layer circuit board 31 is not turned on within an interval time △ T, it is identified that the lower layer circuit board 32 is turned on and the upper layer circuit board 31 is not turned on, that is the current pressing state of the user is pressed lightly.
As can be seen from the above, the key device can set at least the following three operation modes according to the needs of the actual situation:
a self-defining mode: in this mode, the same entity key can realize a plurality of functions, namely, in the same mode, the same entity key can be pressed lightly or heavily, so that the method is suitable for a control mode with complex function requirements on automobiles/games, and is mainly applied to a large-scale complex game mode, a complex multimedia or vehicle-mounted control environment.
A game mode: the key device mainly uses the light pressing function of the entity key, particularly on a vehicle-mounted game, when the game mode is entered, the pressing force needs to be reduced to improve the operation experience, the heavy pressing function of the key device can be temporarily closed, and the key device is suitable for a control mode which emphasizes the operation control experience and does not need complex operation, such as a vehicle-mounted small game.
The driving mode is as follows: the key pressing function of the entity key is mainly used, the key pressing function can be used in the normal running process of an automobile, the key pressing function is more stable due to the fact that mistaken touch is required to be prevented, and the safety of automobile driving is guaranteed.
To sum up, the utility model provides a pair of button equipment of pressure perception can realize that same entity button exports two different control signals under the pressing force state of difference, and only occupies the space of an entity button, has compressed the shared space of button equipment greatly to the equipment structure of entity button can perfectly be applicable to the auto steering wheel, compares in touch button and has promoted stability and reliability.
The embodiment of the utility model provides a still provide a steering wheel, this steering wheel includes the button equipment of the arbitrary pressure perception of description in the above-mentioned embodiment, can know, the function and the characteristic that the button equipment of pressure perception possessed, this steering wheel also correspondingly possesses, include but not limited to: the vehicle-mounted key can output two different control signals under different pressing force states, only occupies the space of one entity key, greatly compresses the space occupied by key equipment, and improves the stability and reliability of the vehicle-mounted key during use. For this reason, the performance of the steering wheel of the automobile is not described in detail.
The embodiment of the utility model provides a still provide a vehicle, this vehicle includes the button equipment of any kind of pressure perception of the description in the above-mentioned embodiment, perhaps, including the arbitrary kind of steering wheel of car of the description in the above-mentioned embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The pressure-sensing key equipment is characterized by comprising an equipment base, a key layer and a double-layer circuit board, wherein the key layer and the double-layer circuit board are arranged on the equipment base;
the key layer comprises a plurality of movable keys, and each movable key is provided with an upper conductive contact and a lower conductive contact which are separated by a first pressing stroke;
the double-layer circuit board comprises an upper layer circuit board and a lower layer circuit board, wherein a plurality of sets of switch contacts which are in one-to-one correspondence with the movable keys are arranged on the double-layer circuit board, each set of switch contact comprises an upper layer switch contact positioned on the upper layer circuit board and a lower layer switch contact positioned on the lower layer circuit board, the distance between the upper layer switch contact and the lower layer switch contact in each set of switch contacts is a second pressing stroke, and the second pressing stroke is smaller than the first pressing stroke;
in arbitrary a pair of switch contact and activity button, upper switch contact and upper conductive contact correspond to set up and make when contacting upper circuit board switches on, lower floor's switch contact and lower floor's conductive contact correspond to set up and make when contacting lower floor's circuit board switches on, lower floor's switch contact with at least one in the lower floor's conductive contact is elastic contact, elastic contact atress can produce and be greater than first stroke of pressing with the second presses the deformation volume of stroke difference.
2. The pressure-sensing keypad apparatus of claim 1 wherein the keypad layer comprises a physical keypad layer and a soft keypad layer, each of the active keys is composed of a physical key mounted on the physical keypad layer and a soft key mounted on the soft keypad layer, and the upper conductive contact and the lower conductive contact of the active key are disposed on the soft keys thereon.
3. The pressure-sensing keypad apparatus of claim 1, wherein the upper switch contact is annular.
4. The pressure-aware key device of claim 2, wherein the soft keys are silicone keys.
5. The pressure-aware key device of claim 1, wherein the difference between the first pressing stroke and the second pressing stroke is 0.15-0.25 mm.
6. The pressure-sensitive key device of claim 1, wherein the lower switch contact is an elastic contact having a spring with an elastic deformation range greater than or equal to the deformation amount embedded therein.
7. The pressure-sensing key device of any one of claims 1-6, wherein the key device outputs a first signal when the lower layer circuit board is conductive and the upper layer circuit board is non-conductive; and when the lower layer circuit board and the upper layer circuit board are both conducted, the key equipment outputs a second signal.
8. The pressure-sensing keypad apparatus of claim 7, wherein the dual-layer circuit board further comprises an identification chip, configured to determine whether a time interval between successive conduction exceeds a preset interval time when the lower-layer circuit board and the upper-layer circuit board are successively conducted, and if yes, identify that the lower-layer circuit board is conducted and the upper-layer circuit board is not conducted, and if not, identify that both the lower-layer circuit board and the upper-layer circuit board are conducted.
9. An automobile steering wheel, characterized in that it comprises a pressure-sensitive push-button device according to any one of claims 1 to 8.
10. A vehicle comprising a pressure-sensitive key device according to any one of claims 1 to 8, or comprising a motor vehicle steering wheel according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682718.8U CN210984573U (en) | 2019-09-30 | 2019-09-30 | Pressure-sensing key device, automobile steering wheel and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682718.8U CN210984573U (en) | 2019-09-30 | 2019-09-30 | Pressure-sensing key device, automobile steering wheel and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210984573U true CN210984573U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921682718.8U Active CN210984573U (en) | 2019-09-30 | 2019-09-30 | Pressure-sensing key device, automobile steering wheel and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210984573U (en) |
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2019
- 2019-09-30 CN CN201921682718.8U patent/CN210984573U/en active Active
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