CN109818602A - A kind of pressure sensitivity key and its trigger the method for keypress function, electric terminal equipment - Google Patents
A kind of pressure sensitivity key and its trigger the method for keypress function, electric terminal equipment Download PDFInfo
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- CN109818602A CN109818602A CN201910095997.6A CN201910095997A CN109818602A CN 109818602 A CN109818602 A CN 109818602A CN 201910095997 A CN201910095997 A CN 201910095997A CN 109818602 A CN109818602 A CN 109818602A
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- pressure
- pressure sensitivity
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- organism
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 64
- 230000006870 function Effects 0.000 claims abstract description 38
- 230000008447 perception Effects 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
The present invention relates to electric terminal equipment technical fields, it discloses a kind of pressure sensitivity key and its triggers the method for keypress function, electric terminal equipment, the pressure sensitivity key includes shell and pressure sensitivity keying body, pressure sensitivity key zone is formed on shell, pressure sensitivity keying body is set on the inside of pressure sensitivity key zone, pressure sensitivity keying body includes bioelectricity recognition unit, pressure sension unit and control unit, wherein: bioelectricity recognition unit, for generating organism trigger signal when the pressing object for pressing pressure sensitivity key zone is organism；Pressure sension unit, for generating pressure trigger signal in pre-set pressure range when the dynamics of pressing object pressing pressure sensitivity key zone；Control unit is connect with bioelectricity recognition unit and pressure perception cell signal, only when receiving organism trigger signal and pressure trigger signal simultaneously, generates keypress function trigger signal.There is bioelectricity recognition unit in the pressure sensitivity keying body of the pressure sensitivity key, can be avoided inorganic matter false triggering keypress function.
Description
Technical field
The present invention relates to electric terminal equipment technical field, in particular to a kind of pressure sensitivity key and its triggering keypress function
Method, electric terminal equipment.
Background technique
Currently, most of the pressure sensitivity key on electric terminal equipment be the size by stress to determine whether to trigger by
Key function, minority also have by forced area come while as limit trigger keypress function condition.
But the case where possible object causes false triggering in the prior art, as long as forced area and stress size reach requirement
Keypress function can be triggered, cannot identify that the source of this power is artificial or other thing false triggerings.
Summary of the invention
The present invention provides a kind of pressure sensitivity key and its trigger the method for keypress function, electric terminal equipment, above-mentioned pressure sensitivity
Key can be avoided inorganic matter false triggering keypress function.
In order to achieve the above objectives, the present invention the following technical schemes are provided:
A kind of pressure sensitivity key, including shell and pressure sensitivity keying body are formed with pressure sensitivity key zone on the shell, described
Pressure sensitivity keying body is set on the inside of the pressure sensitivity key zone, and the pressure sensitivity keying body includes bioelectricity recognition unit, pressure
Sension unit and control unit, in which:
The bioelectricity recognition unit, for generating biology when the pressing object for pressing the pressure sensitivity key zone is organism
Body trigger signal；
The pressure sension unit, for pressing the dynamics of the pressure sensitivity key zone in preset pressure model when the pressing object
Enclose interior generation pressure trigger signal；
Described control unit is connect, only when same with the bioelectricity recognition unit and pressure perception cell signal
When receiving the organism trigger signal and pressure trigger signal, generate keypress function trigger signal.
In above-mentioned pressure sensitivity key, pressure sensitivity keying body is set at the pressure sensitivity key zone inside of shell, pressure sensitivity keying body
Including bioelectricity recognition unit, pressure sension unit and control unit, control unit and bioelectricity recognition unit and pressure
Sension unit signal connection, when pressing object pressing pressure sensitivity key zone, if bioelectricity recognition unit recognizes pressing object as biology
Body then generates organism trigger signal, and pressure sension unit generates triggering if perceiving pressing dynamics in pre-set pressure range
Signal, control unit only when receiving organism trigger signal and pressure trigger signal simultaneously, just generate keypress function triggering
Signal, so that keypress function triggers；Wherein, bio-identification unit enables to just trigger key function when pressing object and being organism
Can, other inorganic matter false triggerings can be prevented when pressing dynamics meet restrictive condition, and then can be in no influence pressure sensitivity
The false triggering that pressure sensitivity key is solved the problems, such as in the case where press key equipment appearance and volume allows equipment with more operability.
In one possible implementation, the pressure sensitivity keying body is pressure sensitivity chip.
In one possible implementation, the bioelectricity recognition unit is in the pressure sensitivity chip interior by lamination knot
The capacitance body being configured to.
In one possible implementation, the bioelectricity recognition unit is specifically used for:
Detect whether the pressing object can cause the capacitance of the capacitance body to become when pressing the pressure sensitivity key zone
Change；
If the capacitance keeps Initial fixed values constant, determine that the pressing object is not organism；
If the capacitance changes within the scope of predetermined capacitive, determine that the pressing object is organism, and generate biology
Body trigger signal.
In one possible implementation, the pressure sension unit is specifically used for:
It detects the pressing object and presses the strength in the pressure sensitivity key zone whether in the first pre-set pressure range；
If sending first pressure trigger signal to described control unit in first pre-set pressure range；
It detects the pressing object and presses the strength in the pressure sensitivity key zone whether in the second pre-set pressure range；
If sending second pressure trigger signal to described control unit in second pre-set pressure range.
In one possible implementation, first pre-set pressure range is more than or equal to 2N and to be less than or equal to 5N,
Second pre-set pressure range is greater than 5N and to be less than or equal to 10N.
In one possible implementation, described control unit is specifically used for:
When receiving the organism trigger signal and the first pressure trigger signal at the same time, the first key function is generated
It can trigger signal；
When receiving the organism trigger signal and the second pressure trigger signal at the same time, the second key function is generated
It can trigger signal.
In one possible implementation, the pressure sension unit also particularly useful for:
Detect whether the area that the pressing object presses the pressure sensitivity key zone is greater than preset area；
If the area of pressing is greater than the preset area, the dynamics that the pressing object presses the pressure sensitivity key zone is detected
Whether in pre-set pressure range.
The present invention also provides a kind of electric terminal equipment, any one pressure sensitivity including providing in above-mentioned technical proposal is pressed
Key.
The present invention also provides a kind of methods of pressure sensitivity key triggering keypress function, comprising:
Obtain the organism trigger signal that bioelectricity recognition unit generates and the pressure activated that pressure sension unit generates
Signal；
According to whether obtaining the organism trigger signal and pressure trigger signal judgement, obtained and if only if simultaneously
When getting the organism trigger signal and the pressure trigger signal, keypress function trigger signal is generated.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pressure sensitivity key provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of pressure sensitivity keying body provided in an embodiment of the present invention；
Fig. 3 is a kind of usage state diagram of pressure sensitivity key provided in an embodiment of the present invention；
Fig. 4 is the usage state diagram of another pressure sensitivity key provided in an embodiment of the present invention；
Fig. 5 is the method flow diagram that a kind of pressure sensitivity key provided in an embodiment of the present invention triggers keypress function.
Icon:
A- shell；B- pressure sensitivity key zone；
1- bioelectricity recognition unit；2- pressure sension unit；3- control unit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of pressure sensitivity key, including shell A and pressure sensitivity keying body, shell A
On be formed with pressure sensitivity key zone B, pressure sensitivity keying body is set on the inside of the B of pressure sensitivity key zone, and pressure sensitivity keying body includes bioelectricity
Recognition unit 1, pressure sension unit 2 and control unit 3, in which:
Bioelectricity recognition unit 1, for generating organism triggering when the pressing object for pressing pressure sensitivity key zone B is organism
Signal；
Pressure sension unit 2, for generating pressure in pre-set pressure range when the dynamics of pressing object pressing pressure sensitivity key zone B
Power trigger signal；
Control unit 3 is connect with bioelectricity recognition unit 1 and 2 signal of pressure sension unit, only receives life when simultaneously
When object trigger signal and pressure trigger signal, keypress function trigger signal is generated.
In the pressure sensitivity key that foregoing invention embodiment provides, pressure sensitivity keying body is set in the pressure sensitivity key zone B of shell A
At side, pressure sensitivity keying body includes bioelectricity recognition unit 1, pressure sension unit 2 and control unit 3, control unit 3 and raw
Object electricity recognition unit 1 and the connection of 2 signal of pressure sension unit, when pressing object pressing pressure sensitivity key zone B, bioelectricity identification is single
Member 1 generates organism trigger signal if recognizing pressing object and being organism, exists if pressure sension unit 2 perceives pressing dynamics
Then generate trigger signal in pre-set pressure range, control unit 3 only when receiving organism trigger signal and pressure activated simultaneously
When signal, keypress function trigger signal is just generated, so that keypress function triggers；Wherein, bio-identification unit 1 enable to when by
It presses object just to trigger keypress function when organism, can prevent other inorganic matters from accidentally touching when pressing dynamics meet restrictive condition
Hair, and then the false triggering of pressure sensitivity key can be solved the problems, such as in the case where no influence pressure sensitivity press key equipment appearance and volume,
Allow equipment with more operability.
In foregoing invention embodiment, specifically, pressure sensitivity keying body is pressure sensitivity chip.
Specifically, bioelectricity recognition unit 1 is the capacitance body formed in pressure sensitivity chip interior by laminated construction, structure letter
It is single, it is easy to make.The organism for pressing pressure sensitivity key can be the human bodies such as finger, and have bioelectricity (electrostatic) on finger,
When finger is close to capacitance body, the capacitance of capacitance body can change under the influence of bioelectric on finger.
According to the structure of above-mentioned bioelectricity recognition unit 1, when bioelectricity recognition unit 1 is initial, the capacitor of capacitance body has
Have the capacitance initially fixed, bioelectricity recognition unit 1 is specifically used for: detection pressing object is when pressing pressure sensitivity key zone B
Whether the capacitance variation of capacitance body can be caused；
If capacitance keeps Initial fixed values constant when pressing object pressing, then determine that pressing object is not organism, then not
Organism trigger signal is sent, as shown in Figure 4；
If capacitance changes within the scope of predetermined capacitive when pressing object pressing, then determine that pressing object is organism, and raw
At organism trigger signal, as shown in Figure 3.
It should be noted that the bioelectricity numerical values recited having on finger is different, finger causes the variation of capacitor body capacitance
It is also i.e. predetermined capacitive range within the scope of one.In the present embodiment, above-mentioned initially fixed capacitance and default electricity
Hold range to be not particularly limited, depending on actual conditions when application.
In foregoing invention embodiment, specifically, pressure sension unit 2 is specifically used for: detection pressing object pressing is pressed in pressure sensitivity
Whether the strength of keypad is in the first pre-set pressure range；If being sent out in the first pre-set pressure range to control unit
Send first pressure trigger signal；And whether detection pressing object presses the strength in pressure sensitivity key zone in the second preset pressure
In range；If sending second pressure trigger signal to control unit in the second pre-set pressure range.
Specifically, the first pre-set pressure range can be for more than or equal to 2N and less than or equal to 5N, the second pre-set pressure range
It can be for greater than 5N and less than or equal to 10N.The value of the first pre-set pressure range and the second pre-set pressure range is only made herein
For a kind of citing, herein with no restrictions, depending on needing according to the actual situation in the application.
Specifically, control unit 3 is specifically used for: receiving organism trigger signal and first pressure trigger signal at the same time
When, generate the first keypress function trigger signal；It is raw when receiving organism trigger signal and second pressure trigger signal at the same time
At the second keypress function trigger signal.Control unit 3 is according to the organism trigger signal and different pressure activateds received
Signal generates different keypress function trigger signals, realizes the triggering of different key functions.
In foregoing invention embodiment, pressure sension unit can also be specifically used for: detection pressing object presses pressure sensitivity key zone
Area whether be greater than preset area, for example, preset area can be set to the 80% of pressure sensitivity key zone area, do not do herein
Limitation, is arranged according to the actual situation；If the area of pressing is greater than preset area, the power of pressing object pressing pressure sensitivity key zone is detected
Whether degree is in pre-set pressure range.In the setting of above-mentioned pressure sension unit, the area in object pressing pressure sensitivity area will be pressed
As the limiting factor of false-touch prevention, the generation of equipment false triggering more can be effectively avoided.
A kind of electric terminal equipment is also provided in the embodiment of the present invention, including any one provided in above-mentioned technical proposal
Pressure sensitivity key.Here electric terminal equipment, including but not limited to following equipment, handheld mobile device, vehicle electronics, household
Electrical equipment etc..
The present invention also provides a kind of methods of pressure sensitivity key triggering keypress function, as shown in figure 5, specific steps include:
S501: the organism trigger signal that bioelectricity recognition unit generates and the pressure that pressure sension unit generates are obtained
Power trigger signal；
S502: according to whether the organism trigger signal and pressure trigger signal judgement are obtained, and if only if
When getting the organism trigger signal and the pressure trigger signal simultaneously, keypress function trigger signal is generated.
In the method for above-mentioned pressure sensitivity key triggering keypress function, only when control unit receives organism trigger signal simultaneously
When with pressure trigger signal, keypress function trigger signal is just generated, so that keypress function triggers；It ensures when pressing object is biology
Keypress function is just triggered when body, other inorganic matter false triggerings can be prevented when pressing dynamics meet restrictive condition, allows equipment
With more operability.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of pressure sensitivity key, including shell and pressure sensitivity keying body, pressure sensitivity key zone, the pressure are formed on the shell
Sense keying body is set on the inside of the pressure sensitivity key zone, which is characterized in that the pressure sensitivity keying body includes bioelectricity identification
Unit, pressure sension unit and control unit, in which:
The bioelectricity recognition unit, for generating organism touching when the pressing object for pressing the pressure sensitivity key zone is organism
It signals；
The pressure sension unit, for pressing the dynamics of the pressure sensitivity key zone in pre-set pressure range when the pressing object
Generate pressure trigger signal；
Described control unit connect with the bioelectricity recognition unit and pressure perception cell signal, only connects when simultaneously
When receiving the organism trigger signal and pressure trigger signal, keypress function trigger signal is generated.
2. pressure sensitivity key according to claim 1, which is characterized in that the pressure sensitivity keying body is pressure sensitivity chip.
3. pressure sensitivity key according to claim 2, which is characterized in that the bioelectricity recognition unit is in the pressure sensitivity core
The capacitance body formed inside piece by laminated construction.
4. pressure sensitivity key according to claim 3, which is characterized in that the bioelectricity recognition unit is specifically used for:
Detect whether the pressing object can cause the capacitance variation of the capacitance body when pressing the pressure sensitivity key zone；
If the capacitance keeps Initial fixed values constant, determine that the pressing object is not organism；
If the capacitance changes within the scope of predetermined capacitive, determine that the pressing object is organism, and generates organism touching
It signals.
5. pressure sensitivity key according to claim 1, which is characterized in that the pressure sension unit is specifically used for:
It detects the pressing object and presses the strength in the pressure sensitivity key zone whether in the first pre-set pressure range；If
In first pre-set pressure range, then first pressure trigger signal is sent to described control unit；
It detects the pressing object and presses the strength in the pressure sensitivity key zone whether in the second pre-set pressure range；If
In second pre-set pressure range, then second pressure trigger signal is sent to described control unit.
6. pressure sensitivity key according to claim 5, which is characterized in that first pre-set pressure range is more than or equal to 2N
And it is less than or equal to 5N, second pre-set pressure range is greater than 5N and to be less than or equal to 10N.
7. pressure sensitivity key according to claim 5, which is characterized in that described control unit is specifically used for:
When receiving the organism trigger signal and the first pressure trigger signal at the same time, the touching of the first keypress function is generated
It signals；
When receiving the organism trigger signal and the second pressure trigger signal at the same time, the touching of the second keypress function is generated
It signals.
8. pressure sensitivity key according to claim 1, which is characterized in that the pressure sension unit also particularly useful for:
Detect whether the area that the pressing object presses the pressure sensitivity key zone is greater than preset area；
If pressing area be greater than the preset area, detect it is described pressing object press the pressure sensitivity key zone dynamics whether
In pre-set pressure range.
9. a kind of electric terminal equipment, which is characterized in that including the described in any item pressure sensitivity keys of such as claim 1-8.
10. a kind of method of pressure sensitivity key triggering keypress function characterized by comprising
Obtain the organism trigger signal that bioelectricity recognition unit generates and the pressure activated letter that pressure sension unit generates
Number；
According to whether obtaining the organism trigger signal and pressure trigger signal judgement, got and if only if simultaneously
When the organism trigger signal and the pressure trigger signal, keypress function trigger signal is generated.
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| CN201910095997.6A CN109818602A (en) | 2019-01-31 | 2019-01-31 | A kind of pressure sensitivity key and its trigger the method for keypress function, electric terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095997.6A CN109818602A (en) | 2019-01-31 | 2019-01-31 | A kind of pressure sensitivity key and its trigger the method for keypress function, electric terminal equipment |
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| CN109818602A true CN109818602A (en) | 2019-05-28 |
Family
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Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant before: Huaqin Technology Co.,Ltd. Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |