CN215068199U - Capacitive touch circuit and display screen thereof - Google Patents
Capacitive touch circuit and display screen thereof Download PDFInfo
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- CN215068199U CN215068199U CN202121606311.4U CN202121606311U CN215068199U CN 215068199 U CN215068199 U CN 215068199U CN 202121606311 U CN202121606311 U CN 202121606311U CN 215068199 U CN215068199 U CN 215068199U
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Abstract
The utility model relates to a display device field, concretely relates to electric capacity touch-control circuit and display screen thereof, supporting component includes shell and support frame, display screen body and shell fixed connection, install the protection through the shell to the display screen body, support frame and shell fixed connection, first through-hole and second through-hole are located the both sides of shell, slider and support frame sliding connection, baffle and slider sliding connection, the slider slides on the support frame and drives the slide damper to slide, the baffle slides to the position that first through-hole and second through-hole correspond, then get into first through-hole and protect the display screen body, it accomodates to get into the second through-hole, when making things convenient for to protect the display screen body, the required space of movable baffle has been reduced, be fit for using in narrow and small space.
Description
Technical Field
The utility model relates to a display device field especially relates to an electric capacity touch-control circuit and display screen thereof.
Background
With the rapid development of social economy, modernization and intellectualization are realized in both daily life of people and enterprise production, display screens are increasingly applied to various instruments, most of the existing display screens only have simple display functions, and do not have any function, and are connected with a control device and completely controlled by the control device; meanwhile, with the advent of smart phones and the like, people are more and more accustomed to the setting of touch screens.
The existing touch display screen does not have a protection structure, so that the existing touch display screen is easily damaged by foreign objects when not used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric capacity touch-control circuit and display screen thereof aims at solving current touch display screen and does not have protection architecture for the problem of being made bad by the foreign object when not using easily.
In order to achieve the above object, in a first aspect, the utility model provides a capacitance touch display screen, including display screen body, touch-control circuit, supporting component and protection component, the supporting component includes shell and support frame, the display screen body with shell fixed connection, and be located in the shell, the support frame has spout, first through-hole and second through-hole, first through-hole with the second through-hole is located the both sides of spout, the support frame with shell fixed connection, first through-hole with the second through-hole still is located the both sides of shell, the protection component includes slider and baffle, the slider with support frame sliding connection, and be located in the spout, the baffle with slider sliding connection, and pass the slider, touch-control circuit with this body coupling of display screen.
The support component further comprises a limiting ring, and the limiting ring is fixedly connected with the shell and is positioned on one side of the shell.
The baffle can insert in the spacing ring when being located the shell back to through spacing ring with the support frame is to the baffle supports, makes to place more stably.
The protection assembly further comprises a first spring, and the first spring is fixedly connected with the support frame and the sliding block and is positioned between the support frame and the sliding block.
The baffle is pulled out after the scope of display screen body, can stimulate under the effect of first spring the sliding block with the baffle moves down, thereby makes the baffle can enter into the position of second through-hole, and it is more convenient to use.
The protection assembly further comprises a limiting block, wherein the limiting block is fixedly connected with the baffle and is positioned on one side, far away from the display screen body, of the baffle.
The limiting block prevents the baffle from sliding out of the sliding block.
The protection assembly further comprises an elastic pad, the elastic pad is fixedly connected with the baffle and is positioned on one side, close to the display screen body, of the baffle.
The elastic pad is arranged between the display screen body and the baffle, so that the baffle can be protected by buffering through the elastic pad when being impacted.
The protection assembly further comprises a pull rod, and the pull rod is fixedly connected with the baffle and is positioned on one side of the baffle.
The baffle can be moved more conveniently by the pull rod.
The support assembly further comprises a lock rod, and the lock rod is connected with the shell in a sliding mode and located on one side of the limiting block.
When the limiting block moves to the bottom of the shell, the limiting block can be locked by sliding the lock rod, so that the protection is more stable.
The second aspect, the utility model provides a capacitance touch control circuit, PMOS pipe, MOS pipe Mn including three resistance, three diode, a grid and source electrode short circuit, this touch control induction circuit protection architecture's connected mode as follows: the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3, the resistor R2, the resistor R1 and the diode D1 are sequentially connected; the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3, the resistor R2 and the diode D2 are sequentially connected; the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3 and the diode D3 are sequentially connected; the power supply input end VDD, the grid electrode and the source electrode of the PMOS tube with the short circuit are connected, and the output end of the other end of the PMOS tube with the short circuit of the grid electrode and the source electrode is grounded; the anode ends of the diode D1, the diode D2 and the diode D3 are connected together and then grounded; and the negative end of the resistor R1 is connected with the touch circuit.
The utility model discloses a capacitance touch control circuit and a display screen thereof, the supporting component comprises a shell and a supporting frame, the display screen body is fixedly connected with the shell and is positioned in the shell, the display screen body is installed and protected through the shell, the supporting frame is provided with a chute, a first through hole and a second through hole, the first through hole and the second through hole are positioned at two sides of the chute, the supporting frame is fixedly connected with the shell, the first through hole and the second through hole are also positioned at two sides of the shell, the protecting component comprises a sliding block and a baffle plate, the sliding block is connected with the supporting frame in a sliding way and is positioned in the chute, the baffle plate is connected with the sliding block in a sliding way and passes through the sliding block, the sliding block can slide on the supporting frame, thereby driving the baffle plate to slide, the baffle plate can slide to the position corresponding to the first through hole and the second through hole, thereby can get into first through-hole is right the display screen body is protected, gets into the second through-hole is accomodate for when the convenience is protected the display screen body, reduced the removal the required space of baffle is fit for using in narrow and small space, thereby solves current touch display screen and does not have protective structure, makes the problem of being badly done by the foreign object when not using easily.
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 these drawings without creative efforts.
Fig. 1 is a structural diagram of a capacitive touch display screen according to the present invention;
fig. 2 is a back structure diagram of a capacitive touch circuit and a display screen thereof according to the present invention;
fig. 3 is a schematic cross-sectional view of a capacitive touch circuit and a display screen thereof according to the present invention;
FIG. 4 is an enlarged partial view of detail A of FIG. 3;
fig. 5 is a structural diagram of a capacitive touch circuit according to the present invention.
The display screen comprises a display screen body 1, a support component 2, a protection component 3, a touch control circuit 4, a shell 21, a support frame 22, a limiting ring 23, a locking rod 24, a sliding block 31, a baffle 32, a first spring 33, a limiting block 34, an elastic pad 35, a pull rod 36, a sliding groove 221, a first through hole 222 and a second through hole 223.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, in a first aspect, the present invention provides a capacitive touch display screen:
comprises a display screen body 1, a touch circuit 4, a supporting component 2 and a protection component 3, wherein the supporting component 2 comprises a shell 21 and a supporting frame 22, the display screen body 1 is fixedly connected with the shell 21, and is positioned in the housing 21, the support frame 22 has a sliding slot 221, a first through hole 222 and a second through hole 223, the first through hole 222 and the second through hole 223 are located at both sides of the sliding groove 221, the supporting frame 22 is fixedly connected with the housing 21, the first through hole 222 and the second through hole 223 are also located at two sides of the housing 21, the protection component 3 comprises a sliding block 31 and a baffle 32, the sliding block 31 is connected with the supporting frame 22 in a sliding way, and is located in the chute 221, the baffle 32 is connected with the sliding block 31 in a sliding manner, and penetrates through the sliding block 31, and the touch circuit 4 is connected with the display screen body 1.
In this embodiment, the supporting assembly 2 includes a housing 21 and a supporting frame 22, the display panel body 1 is fixedly connected to the housing 21 and is located in the housing 21, the display panel body 1 is installed and protected by the housing 21, the supporting frame 22 has a sliding slot 221, a first through hole 222 and a second through hole 223, the first through hole 222 and the second through hole 223 are located at two sides of the sliding slot 221, the supporting frame 22 is fixedly connected to the housing 21, the first through hole 222 and the second through hole 223 are also located at two sides of the housing 21, the protecting assembly 3 includes a sliding block 31 and a baffle 32, the sliding block 31 is slidably connected to the supporting frame 22 and is located in the sliding slot 221, the baffle 32 is slidably connected to the sliding block 31 and passes through the sliding block 31, the sliding block 31 can slide on the supporting frame 22, thereby can drive baffle 32 slides, baffle 32 can slide first through-hole 222 with the position that second through-hole 223 corresponds, thereby can get into first through-hole 222 is right display screen body 1 protects, gets into second through-hole 223 is accomodate for when conveniently protecting display screen body 1, reduced the removal the required space of baffle 32 is fit for using in narrow and small space, thereby solves current touch display screen and does not have protection architecture, makes the problem of being badly done by the foreign object when not using easily.
Further, the support assembly 2 further includes a limiting ring 23, and the limiting ring 23 is fixedly connected to the housing 21 and located on one side of the housing 21.
In this embodiment, the baffle 32 can be inserted into the limiting ring 23 when being located at the back of the housing 21, and the baffle 32 is supported by the limiting ring 23 and the supporting frame 22, so that the placement is more stable.
Further, the protection component 3 further includes a first spring 33, and the first spring 33 is fixedly connected to the support frame 22 and the sliding block 31 and is located between the support frame 22 and the sliding block 31.
In this embodiment, after the baffle 32 is pulled out of the range of the display screen body 1, the sliding block and the baffle 32 can be pulled to move downwards under the action of the first spring 33, so that the baffle 32 can enter the position of the second through hole 223, and the use is more convenient.
Further, protection component 3 still includes stopper 34, stopper 34 with baffle 32 fixed connection, and be located baffle 32 is kept away from one side of display screen body 1, supporting component 2 still includes locking lever 24, locking lever 24 with shell 21 sliding connection, and be located one side of stopper 34.
In this embodiment, the stopper 34 prevents the baffle 32 from sliding out of the slider 31. When the limiting block 34 moves to the bottom of the shell 21, the locking rod 24 can slide to lock, so that the protection is more stable, the locking rod 24 mainly comprises a compression spring and a triangular block, and the position of the limiting block 34 can be limited through the triangular block.
Further, the protection assembly 3 further includes an elastic pad 35, and the elastic pad 35 is fixedly connected to the baffle 32 and is located on one side of the baffle 32 close to the display screen body 1.
In the present embodiment, the elastic pad 35 is disposed between the display screen body 1 and the baffle 32, so that the baffle 32 can be protected by buffering through the elastic pad 35 when being impacted.
Further, the protection assembly 3 further includes a pull rod 36, and the pull rod 36 is fixedly connected to the baffle 32 and is located on one side of the baffle 32.
In the present embodiment, the shutter 32 can be moved more easily by the pull rod 36. In addition, a bracket may be provided at one side of the support frame 22 so that the display screen can be supported by rotating the bracket.
In a second aspect, please refer to fig. 5, the present invention further provides a capacitive touch circuit, which includes a PMOS transistor and a MOS transistor Mn, wherein the PMOS transistor and the MOS transistor are shorted by three resistors, three diodes, a gate and a source, and the connection mode of the touch sensing circuit protection structure is as follows: the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3, the resistor R2, the resistor R1 and the diode D1 are sequentially connected; the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3, the resistor R2 and the diode D2 are sequentially connected; the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3 and the diode D3 are sequentially connected; the power supply input end VDD, the grid electrode and the source electrode of the PMOS tube with the short circuit are connected, and the output end of the other end of the PMOS tube with the short circuit of the grid electrode and the source electrode is grounded; the anode ends of the diode D1, the diode D2 and the diode D3 are connected together and then grounded; the negative terminal of the resistor R1 is connected to the touch circuit 4.
In this embodiment, the resistances of the resistor R1, the resistor R2, and the resistor R3 are all 100 ohms. The protection structure can provide a plurality of discharge paths by utilizing the current limiting and voltage dividing functions of the three-level resistor and the diode network, so that large current is discharged step by step, and the circuit protection capability is improved. The bars breakdown voltage of Mn is 12.5V, according to the utility model discloses touch-control induction circuit protection principle, the voltage that falls on the Mn grid after multistage current-limiting resistor must be less than the bars breakdown voltage of this pipe, and protection circuit could play the guard action, through calculating, adopts tertiary diode to reach the purpose of protection Mn with resistance network structure.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A capacitive touch display screen is characterized in that,
including display screen body, touch-control circuit, supporting component and protection component, the supporting component includes shell and support frame, the display screen body with shell fixed connection, and be located in the shell, the support frame has spout, first through-hole and second through-hole, first through-hole with the second through-hole is located the both sides of spout, the support frame with shell fixed connection, first through-hole with the second through-hole still is located the both sides of shell, the protection component includes slider and baffle, the slider with support frame sliding connection, and be located in the spout, the baffle with slider sliding connection, and pass the slider, the touch-control circuit with this body coupling of display screen.
2. The capacitive touch screen of claim 1,
the support component further comprises a limiting ring, and the limiting ring is fixedly connected with the shell and is positioned on one side of the shell.
3. The capacitive touch screen of claim 1,
the protection assembly further comprises a first spring, and the first spring is fixedly connected with the supporting frame and the sliding block and is positioned between the supporting frame and the sliding block.
4. The capacitive touch screen of claim 1,
the protection assembly further comprises a limiting block, and the limiting block is fixedly connected with the baffle and is positioned on one side, far away from the display screen body, of the baffle.
5. The capacitive touch screen of claim 4,
the protection assembly further comprises an elastic pad, and the elastic pad is fixedly connected with the baffle and is positioned on one side, close to the display screen body, of the baffle.
6. The capacitive touch screen of claim 1,
the protection assembly further comprises a pull rod, and the pull rod is fixedly connected with the baffle and is positioned on one side of the baffle.
7. The capacitive touch screen of claim 4,
the support assembly further comprises a lock rod, and the lock rod is connected with the shell in a sliding mode and is located on one side of the limiting block.
8. A capacitive touch control circuit applied to the capacitive touch control display screen according to any one of claims 1 to 7,
the touch control induction circuit protection structure comprises three resistors, three diodes, a PMOS (P-channel metal oxide semiconductor) tube and an MOS (metal oxide semiconductor) tube Mn, wherein the grid electrode and the source electrode are in short circuit, and the touch control induction circuit protection structure is connected in the following way: the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3, the resistor R2, the resistor R1 and the diode D1 are sequentially connected; the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3, the resistor R2 and the diode D2 are sequentially connected; the power supply input end VDD, the PMOS tube with the grid electrode and the source electrode in short circuit, the MOS tube Mn, the resistor R3 and the diode D3 are sequentially connected; the power supply input end VDD, the grid electrode and the source electrode of the PMOS tube with the short circuit are connected, and the output end of the other end of the PMOS tube with the short circuit of the grid electrode and the source electrode is grounded; the anode ends of the diode D1, the diode D2 and the diode D3 are connected together and then grounded; and the negative end of the resistor R1 is connected with the touch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121606311.4U CN215068199U (en) | 2021-07-14 | 2021-07-14 | Capacitive touch circuit and display screen thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121606311.4U CN215068199U (en) | 2021-07-14 | 2021-07-14 | Capacitive touch circuit and display screen thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215068199U true CN215068199U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121606311.4U Active CN215068199U (en) | 2021-07-14 | 2021-07-14 | Capacitive touch circuit and display screen thereof |
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| Country | Link |
|---|---|
| CN (1) | CN215068199U (en) |
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- 2021-07-14 CN CN202121606311.4U patent/CN215068199U/en active Active
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