CN208506699U - Operable touch screen control of intelligent terminal in non-visual situation - Google Patents
Operable touch screen control of intelligent terminal in non-visual situation Download PDFInfo
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- CN208506699U CN208506699U CN201821272486.4U CN201821272486U CN208506699U CN 208506699 U CN208506699 U CN 208506699U CN 201821272486 U CN201821272486 U CN 201821272486U CN 208506699 U CN208506699 U CN 208506699U
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Abstract
The utility model discloses operable touch screen control of intelligent terminal in a kind of non-visual situation, comprising: touches and display module, pressure sensitive module, vibrational feedback module, main control chip, power supply module, each module are electrically connected with main control chip respectively；It touches and display module includes touch screen and display screen, pressure sensitive module is made of multiple groups pressure sensitive component, the pressure applied on the touchscreen for experiencing user；Vibrational feedback module includes vibrator and Piexoelectric actuator, and main control chip works for controlling each component in control of intelligent terminal；Power supply module uses lithium battery, is each component power supply in control of intelligent terminal.The utility model helps user accurately to carry out touching in the case where not having to visually display that screen finding accurately, determines positioning, and vibrate feedback by piezoelectric oscillator, can embody the key sense that entity is pressed, it is more convenient to operate, and the user experience of human-computer interaction is more preferable.
Description
Technical Field
The utility model relates to an intelligence remote control field especially involves an operable touch-sensitive screen intelligent control terminal under the non-visual condition.
Background
With the improvement of the science and technology level of society, the digitalization and the intellectualization are more and more deeply embodied in the daily life of people, and the digitalization and the intellectualization are embodied on automobiles, communication equipment and household appliances. Intelligence is not only a pursuit of corresponding designers on industrial technology, but also a better human-computer interaction experience with users.
Most of the existing touch control terminals for home devices are implemented by application programs installed on a tablet personal computer or a mobile phone, and such products have the disadvantages that during operation, a user needs to look down at the screen display content and trigger the function once touching the screen, and usually needs to continuously look over the screen key content for operation, for example, when controlling devices such as a television, the user often needs to concentrate attention on the television screen, and under such a situation, when using a common touch control terminal, the user needs to repeatedly switch the attention between the television screen and the touch terminal screen, and the use experience is poor. Moreover, the tactile feedback of the common touch control terminal cannot be compared with that of the traditional physical key.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides an operable touch-sensitive screen intelligent control terminal under the non-visual condition. The utility model utilizes the design of the concave or convex of the touch screen, and cooperates with the pressure sense and the vibration to carry out the blind operation of the touch screen, so that a user does not need to look down at the touch area to confirm the pressing position when controlling the equipment; the utility model discloses greatly improve touch control terminal's the experience of controlling. The utility model discloses a touch area location, forced induction, vibration feedback have simulated the use impression of traditional physics button, realize the blind operation of user button commonly used on the touch-sensitive screen.
In order to achieve the above object, the present invention is realized according to the following technical solution:
the utility model provides an operable touch-sensitive screen intelligent control terminal under non-visual condition, a serial communication port, include: the device comprises a touch and display module, a pressure sensing module, a vibration feedback module, a main control chip and a power supply assembly, wherein each module is electrically connected with the main control chip respectively;
the touch and display module comprises a touch screen and a display screen, the touch screen is connected with the main control chip and is used for a user to input a control instruction, and the display screen is used for displaying a control interface;
the pressure sensing module is composed of a plurality of groups of pressure sensing components which are uniformly distributed in the touch area and used for sensing the pressure applied by a user on the touch screen;
the vibration feedback module comprises a vibrator and a piezoelectric driving device; the main control chip receives a pressure signal fed back by the pressure sensing module and further triggers the vibrator to vibrate by driving the piezoelectric driving device; the vibration device quickly strikes the display screen, so that feedback experience of a user when using the entity key is simulated;
the power supply assembly adopts a lithium battery to supply power for all components in the control device.
In the above technical solution, the pressure sensing component is composed of a pressure sensor and an operational amplifier; or, the pressure sensing assembly is composed of a Wheatstone bridge circuit composed of strain gauges and an instrumentation amplifier.
In the technical scheme, the vibrator adopts a piezoelectric vibrator; alternatively, the vibrator employs a linear motor.
In the technical scheme, the touch screen is a capacitive touch screen, and the front surface of the capacitive touch screen is of a concave or convex structure, so that a user can be helped to quickly locate a common functional button area on the touch screen in a non-visual state.
In the technical scheme, the main control chip adopts a chip with an ARM Cortex-A53 architecture.
In the technical scheme, the wireless charging device further comprises a WIFI module, a Bluetooth module, an infrared module and a wireless charging module, wherein the WIFI module is connected with the Bluetooth module, the infrared module and the wireless charging module respectively and electrically connected with a main control chip.
In the technical scheme, the touch screen display device further comprises a middle frame, the main control chip is installed on the rear side of the middle frame, and the touch screen and the display screen are installed on the front side of the middle frame; the vibrator and the pressure sensing assembly are arranged on the middle frame and are positioned between the display screen and the middle frame.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses think about novel and reasonable in design, can help the user accurately touch under the condition that the display screen is not looked at visually and look for the accuracy to through the vibrator vibration repayment, simulate out the use of entity button and experience, man-machine interactive user experience is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
Fig. 1(a) and fig. 1(b) are schematic exploded structural diagrams of the present invention, respectively;
fig. 2 is a schematic diagram of a circuit structure of the touch screen intelligent control terminal of the present invention;
fig. 3 is a schematic diagram of the structure explosion of the touch screen intelligent control terminal of the present invention;
fig. 4 is a schematic diagram of a control method of the touch screen intelligent control terminal of the present invention;
wherein the reference numeral 1-touch and display module, 2-pressure sensing module, 3-vibration feedback module, 4-touch screen, 5-display screen, 6-pressure sensor, 7-vibrator, 8-lithium battery, 9-middle frame, 10-PCB circuit board, 11-rear shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Fig. 1(a) and fig. 1(b) are schematic exploded structural diagrams of the present invention, respectively; fig. 2 is a schematic diagram of the circuit structure of the present invention; with reference to fig. 1(a), fig. 1(b) and fig. 2, the present invention provides a touch screen intelligent control terminal operable under non-visual condition, which includes: the device comprises a touch and display module 1, a pressure sensing module 2, a vibration feedback module 3, a main control chip and a power supply assembly, wherein each module is electrically connected with the main control chip respectively;
as shown in fig. 2, the touch and display module 1 of the present invention comprises a touch screen and a display screen, wherein the touch screen is connected with a main control chip and is used for a user to input a control command, and the display screen is used for displaying a control interface;
in the specific embodiment of the utility model, the utility model discloses a LED display screen or LCD display screen can be selected to the display screen, and the technical personnel in the field can select according to actual need, no longer gives unnecessary details here.
The utility model discloses a touch-sensitive screen adopts capacitive touch screen, capacitive touch screen's front adopts sunken or protruding structure, and the help user fixes a position the function button region commonly used on the touch-sensitive screen under non-visual state fast.
It is known that polarization can occur by causing relative displacement of charged particles in a dielectric medium under the influence of an electric field. But in some dielectric crystals it is also possible to obtain the desired effect by purely mechanical action, for example: the polarization occurs due to tensile stress, compressive stress, shear stress, etc., and results in bound charges of opposite signs appearing in the surfaces of the two ends of the dielectric, the charge density of which is proportional to the external force. The piezoelectric effect refers to that some media are deformed under the action of force to cause the surface of the media to be charged, and the piezoelectric effect is a positive piezoelectric effect. On the contrary, when an excitation electric field is applied, the medium will generate mechanical deformation, which is called inverse piezoelectric effect. Therefore, when it is required to use low-frequency vibration, the vibration can be performed by using the inverse piezoelectric effect.
As shown in fig. 2, the vibration feedback module 3 of the present invention includes a vibrator and a piezoelectric driving device. The main control chip receives a signal transmitted from the pressure sensing module 2, and further triggers a vibrator of the vibration feedback module 3 to vibrate by driving a piezoelectric driving device of the vibration feedback module 3; after receiving a driving instruction from a main control chip, the piezoelectric driving device triggers the vibrator to vibrate, the vibration device quickly strikes the display screen and makes a 'clicking' sound, and feedback experience when a user uses an entity key is simulated.
The utility model discloses a can instantaneously reach maximum deformation during the vibrator vibration, strike the screen, the vibration feedback is clear dry and crisp, can the operation experience of true simulation entity button.
The utility model discloses a vibrator adopts piezoelectric vibrator. The piezoelectric vibrator is a piezoelectric vibrating reed including a ceramic base member and a pair of metal elastic pieces bonded to upper and lower surfaces of the base member. The piezoelectric vibrator has advantages such as good controllability for various frequencies and high response speed, compared to a conventional vibrator using an eccentricity. Of course, other types of vibrators can be selected by those skilled in the art according to actual needs. The utility model discloses a vibrator still can replace and adopt linear motor, and a vibration cycle can be accomplished in the short time to the linear motor of high acceleration to realize enough shortages and strong vibration effect, avoid the humming sound of ordinary motor.
The utility model discloses a piezoelectric vibrator includes piezoceramics layer and be located piezoceramics layer upper and lower surface respectively and with piezoceramics layer electric connection's electrode layer. When the piezoelectric vibrator works, the electrode layers on the upper surface and the lower surface of the piezoelectric ceramic layer are respectively provided with different potentials, usually a positive potential and a secondary potential, and a potential difference exists between the two electrode layers. In this embodiment, the number of the piezoelectric ceramic layers and the electrode layers may be designed according to the thickness of the product and the required vibration strength.
The utility model discloses a power supply module adopts the lithium cell, for each part power supply in the device. In the embodiment of the utility model, the utility model discloses in still be provided with electronic switch, electronic switch links to each other with touch-sensitive screen's virtual button for switch over and break off under the control of button, electronic switch still connects between power supply module and main control chip's the power input end, be used for switch over ground control the battery is to the inside main control chip of intelligent control terminal and other each module power supplies.
It should be noted that the pressure sensing module 2 of the present invention is used for sensing the operation of an external touch screen, the pressure sensing module 2 of the present invention is composed of a plurality of pressure sensing assemblies, and the plurality of pressure sensing assemblies are uniformly distributed in a touch area for sensing the pressure applied by a user on the touch screen; the utility model discloses a forced induction subassembly comprises pressure sensor and operational amplifier, pressure sensor passes through operational amplifier with main control chip electric connection, operational amplifier selects operational amplifier. The utility model discloses an operational amplifier model can select brand Atmel, model ATSAMD10D14A-UUT, and the operational amplifier of wafer level chip scale package (WLCSP encapsulation) that pad quantity is 20. It is a low power consumption, multi-functional microprocessor. An ADC with a 12bit, 350Ksps sampling rate integrated therein has a programmable amplification of 0.5 to 16 times. The method is particularly suitable for amplifying and collecting weak signals of the sensor. In addition, one skilled in the art can select any type of operational amplifier according to the requirement to realize the above functions. The present invention is not limited to this.
Alternatively, the pressure sensing assembly of the present invention comprises a wheatstone bridge circuit formed by strain gauges and an instrumentation amplifier. The circuits and other components in this embodiment are all prior art in this field, and those skilled in the art can select the corresponding model to implement according to actual needs.
The utility model discloses a main control chip adopts the chip of ARM Cortex-A53 framework, the utility model discloses do the chip of adopting other models, the utility model discloses do not limit to this. Furthermore, the utility model discloses still include WIFI module, bluetooth subassembly, infrared subassembly and wireless charging assembly, the WIFI module bluetooth subassembly, infrared subassembly and wireless charging assembly respectively with main control chip electric connection. Illustratively, the utility model discloses an infrared subassembly is when intelligent control terminal presses virtual button, sends data through serial ports connection, and relevant infrared circuit of rethread sends data conversion for infrared signal through infrared diode. These modules are the prior art in this field, and the present invention is not described in detail herein.
Fig. 3 is a schematic diagram of the structure explosion of the touch screen intelligent control terminal of the present invention; the utility model also comprises a middle frame 9, a PCB circuit board 10 is arranged at the rear side of the middle frame 9, a main control chip is integrated on the PCB circuit board 10, and a touch screen 4 and a display screen 5 are arranged at the front side of the middle frame 9; the vibrator 7 and the pressure sensor 6 in the pressure sensing assembly are mounted on the middle frame and located between the display screen 5 and the middle frame 9. A lithium battery 8 and a rear case 11 are also provided on the rear side of the middle frame 9. The partial structure of the present invention is not shown in the drawings of the present invention.
As shown in fig. 4, the utility model discloses operable touch-sensitive screen intelligent control terminal's control method under the non-visual condition, including following step:
step S1: a user positions the virtual keys of the touch screen by means of the depressions or the protrusions on the touch screen and then presses the virtual keys; the utility model discloses a sunken or protruding structure is adopted in the front of touch-sensitive screen, and the help user fixes a position the function button region commonly used on the touch-sensitive screen fast under the state of non-visual display screen.
Step S2: when the virtual key receives a finger pressing event, the pressure sensor senses a pressure signal starting to sense and continuously detects the pressure signal on the touch screen, and outputs the pressure signal detected by the pressure sensor to the operational amplifier; the operational amplifier processes the pressure signal detected by the pressure sensor and feeds the processed pressure signal back to the main control chip; specifically, the utility model discloses an operational amplifier carries out difference amplification, filtering, digital signal conversion with pressure sensor's signal and passes to inside microcontroller, passes to main control chip with signal protocol via the I2C bus at last again.
In the embodiment of the present invention, the operational amplifier can select the brand Atmel, the model atamd 10D 14A-UUT.
Step S3: and judging whether the pressure signal value acquired by the main control chip is greater than a key activation pressure threshold value preset by a user. The utility model discloses a user can predetermine the button activation pressure value of low, medium, high level difference. The pressure threshold can be set as desired by one skilled in the art.
Step S4: if the pressure signal value obtained by the main control chip is greater than the pressure threshold value, that is, the pressure meets the activation condition, the system judges that the user has pressed the virtual key, the virtual key function is activated, and informs the main control chip to send a vibration trigger instruction to the piezoelectric driving device in the vibration feedback module, and step S5 is executed; if the pressure signal value acquired by the main control chip is smaller than the pressure threshold value, it is determined that the virtual key function is only pressed, and the virtual key function is not activated, and the step S10 is executed;
step S5: after the piezoelectric driving device receives the instruction, the vibrator is triggered to vibrate, and the vibrator quickly strikes the display screen, so that feedback experience when a user uses the entity key is simulated;
step S6: the pressure sensor continuously senses and detects pressure signals on the touch screen, the pressure signals are processed through the operational amplifier and then fed back to the main control chip. Specifically, the utility model discloses an operational amplifier carries out difference amplification, filtering, digital signal conversion with pressure sensor's signal and passes to inside microcontroller, passes to main control chip with signal protocol via the I2C bus at last again.
Step S7: judging whether the pressure signal value acquired by the main control chip is smaller than a pressure threshold value;
step S8: if the pressure signal value acquired by the main control chip is smaller than the pressure threshold value, judging that the finger of the user is lifted, informing the main control chip to send a vibration trigger instruction to the piezoelectric driving device, and executing the step S9; if the pressure signal value acquired by the main control chip is greater than the pressure threshold value, returning to execute the step S6;
step S9: after the piezoelectric driving device receives the instruction, triggering the vibrator to vibrate again, and quickly knocking the display screen by the vibrator; thereby realizing the feedback experience when the user lifts the entity key;
step S10: judging whether the fingers of the user still contact the touch screen or not, and sensing a pressure signal on the touch screen through a pressure sensor;
step 11: if the user' S finger still touches the touch screen, go to step S2; and if the finger of the user leaves the touch screen, ending the process.
The utility model discloses think about novel and reasonable in design, can help the user accurately touch under the condition that the display screen is not looked at visually and look for the accuracy to through the vibrator vibration repayment, simulate out the use of entity button and experience, man-machine interactive user experience is better.
The utility model discloses but operable touch-sensitive screen intelligent control terminal can be a remote controller of controlling multimedia electronic equipment such as a plurality of house electrical apparatus under the non-visual condition.
One skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be implemented with the same program in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like, all by logically programming the method steps. Therefore, the system and the devices, modules and units thereof provided by the present invention can be regarded as a hardware component, and the devices, modules and units included therein for implementing various programs can also be regarded as structures in the hardware component; means, modules, units for realizing various functions can also be regarded as structures within both software programs and hardware components for realizing the methods.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A touch-screen intelligent control terminal operable under non-visual conditions, comprising: the device comprises a touch and display module, a pressure sensing module, a vibration feedback module, a main control chip and a power supply assembly, wherein each module is electrically connected with the main control chip respectively;
the touch and display module comprises a touch screen and a display screen, the touch screen is connected with the main control chip and is used for a user to input a control instruction, and the display screen is used for displaying a control interface;
the pressure sensing module is composed of a plurality of groups of pressure sensing components which are uniformly distributed in the touch area and used for sensing the pressure applied by a user on the touch screen;
the vibration feedback module comprises a vibrator and a piezoelectric driving device;
the main control chip receives a pressure signal fed back by the pressure sensing module and further triggers the vibrator to vibrate by driving the piezoelectric driving device; the vibration device quickly strikes the display screen, so that feedback experience when a user uses the entity key is simulated.
2. The touch-screen intelligent control terminal operable under the non-visual condition of claim 1, wherein the pressure sensing component is composed of a pressure sensor and an operational amplifier; or,
the pressure sensing assembly is composed of a Wheatstone bridge circuit composed of strain gauges and an instrument amplifier.
3. The touch screen intelligent control terminal operable under the non-visual condition of claim 1, wherein the vibrator is a piezoelectric vibrator; alternatively, the vibrator employs a linear motor.
4. The touch screen intelligent control terminal operable under the non-visual condition of claim 1, wherein the touch screen is a capacitive touch screen, and the front surface of the capacitive touch screen adopts a concave or convex structure to help a user quickly locate a common function button area on the touch screen under the non-visual condition.
5. The touch screen intelligent control terminal operable under the non-visual condition as claimed in claim 1, wherein the main control chip adopts a chip of ARM Cortex-A53 architecture.
6. The touch screen intelligent control terminal operable under the non-visual condition of claim 1, further comprising a WIFI module, a Bluetooth module, an infrared module and a wireless charging module, wherein the WIFI module, the Bluetooth module, the infrared module and the wireless charging module are respectively electrically connected with a main control chip.
7. The touch screen intelligent control terminal operable under the non-visual condition of claim 1, further comprising a middle frame, wherein the main control chip is installed at the rear side of the middle frame, and the touch screen and the display screen are installed at the front side of the middle frame; the vibrator and the pressure sensing assembly are arranged on the middle frame and are positioned between the display screen and the middle frame.
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| CN201821272486.4U CN208506699U (en) | 2018-08-08 | 2018-08-08 | Operable touch screen control of intelligent terminal in non-visual situation |
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| CN201821272486.4U CN208506699U (en) | 2018-08-08 | 2018-08-08 | Operable touch screen control of intelligent terminal in non-visual situation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108733218A (en) * | 2018-08-08 | 2018-11-02 | 汪澈 | It is non-visually in the case of operable touch screen control of intelligent terminal and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108733218A (en) * | 2018-08-08 | 2018-11-02 | 汪澈 | It is non-visually in the case of operable touch screen control of intelligent terminal and its control method |
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Granted publication date: 20190215 Termination date: 20200808 |