CN209927951U - Garrulous screen check out test set of electric capacity screen - Google Patents
Garrulous screen check out test set of electric capacity screen Download PDFInfo
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- CN209927951U CN209927951U CN201920554753.5U CN201920554753U CN209927951U CN 209927951 U CN209927951 U CN 209927951U CN 201920554753 U CN201920554753 U CN 201920554753U CN 209927951 U CN209927951 U CN 209927951U
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Abstract
The utility model discloses a broken screen detection device of a capacitance screen, which comprises a mobile phone shell, the capacitance screen, a detection device, a first lead, a jack, a circuit board and a processor, wherein the first lead is arranged in a transparent electrode of the capacitance screen of the mobile phone and is distributed with the transparent electrode in an S shape, two ends of the first lead are respectively connected with the processor and a sensing electrode, the sensing electrode is respectively connected with a resistor and the processor through guiding, the processor is used for carrying out data calculation on a signal of the sensing electrode and the resistance of the first lead, because the capacitance screen is broken, the first lead is broken along with the capacitance screen, when the processor receives the signal of the sensing electrode, and when the resistance of the first lead is reduced, the screen is judged to be slightly damaged but not broken, when the resistance of the transparent electrode and the first lead are not detected, the screen is judged to be damaged and broken, the beneficial effect of accurately judging the damage and the fragmentation condition of the screen is achieved.
Description
Technical Field
The utility model relates to a garrulous screen detects technical field, concretely relates to garrulous screen check out test set of electric capacity screen.
Background
With the rapid development of mobile devices and the continuous improvement of living standards of people, mobile phones have become indispensable communication tools in people's lives, and with the smart phone screen becoming larger, the mobile phone screen generally comprises: the mobile device comprises a display screen and a cover plate which are arranged from bottom to top, wherein the display screen is a touch functional layer of a mobile phone screen, and the cover plate is used for protecting the display screen and is usually made of glass materials, so that the screen is broken due to falling more and more, and because mobile devices such as smart phones generally adopt the touch screen to sense input commands or texts and other input operations, when the screen is broken due to falling, the input faults of the touch screen can be caused, and the phenomenon of input errors can occur.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the broken screen detection equipment for the capacitive screen is provided, the problem that the broken screen condition of the screen of the mobile phone cannot be accurately detected is solved, and the beneficial effect of accurately judging the damage and the fragmentation condition of the screen is achieved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a broken screen detection device of a capacitance screen, which comprises a mobile phone shell, the capacitance screen, a detection device, a first lead, a jack, a circuit board and a processor, wherein the capacitance screen is embedded in the middle of the top end of the mobile phone shell, the rear end inside the mobile phone shell is in bolt connection with the detection device, the bottom end inside the mobile phone shell is in bolt connection with the circuit board, the top end of the circuit board is provided with the processor, the processor is electrically connected with the detection device and the first lead respectively through a connecting port on the circuit board, the first lead is connected with a transparent electrode in the capacitance screen, the first lead penetrates through the transparent electrode to be connected with the detection device, the detection device consists of a protective shell, a fixed plate, an induction electrode, a resistor and a second lead, the top ends of the front side and the rear side of the protective shell are respectively provided with the fixed plate, the induction electrode and the resistor are embedded in a, the left end of the induction electrode is electrically connected with the resistor through a wire, the left side of the resistor is electrically connected with a connecting port of the circuit board through a second wire, the induction electrode is electrically connected with the connecting port of the circuit board through a wire, the first wire is electrically connected with the induction electrode, and the top end of the fixing plate is in bolt connection with the bottom end inside the mobile phone shell through a bolt.
Furthermore, the capacitive screen is composed of a liquid crystal display panel, a glass substrate, a transparent electrode, an adhesive layer and a protective layer, wherein the glass substrate is arranged at the top end of the liquid crystal display panel, the transparent electrode is arranged at the top end of the glass substrate, the top end of the transparent electrode is adhered to the protective layer through the adhesive layer, and the liquid crystal display panel, the glass substrate, the transparent electrode, the adhesive layer and the protective layer are all embedded into the top end inside the mobile phone shell and are fixed.
Further, an anti-reflection coating is arranged at the top end of the protective layer.
Furthermore, the fixed plate all is provided with two, sets up both ends around the protecting crust respectively, and inside is provided with the screw hole.
Furthermore, the first conducting wire is S-shaped and is fully distributed with the transparent electrode.
Furthermore, the outer side of the circuit board is provided with three wiring ports which are respectively a power supply port, a signal receiving port and a resistance signal acquisition port.
Furthermore, two leads are arranged at the left end of the induction electrode and are respectively connected with the resistor and a signal receiving port of the circuit board.
Further, the first conducting wire is made of PZST materials.
Further, the resistor is an RTX small carbon film resistor.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) in order to solve the problem that the screen breaking condition of the mobile phone screen cannot be accurately detected, a first lead is arranged in a transparent electrode of a mobile phone capacitive screen, the first lead is distributed with the transparent electrode in an S shape, two ends of the first lead are respectively connected with a processor and an induction electrode, the induction electrode is respectively connected with a resistor and the processor through a guide way, the resistor is connected with a resistance acquisition end on a circuit board through a second guide way, data calculation is carried out on signals of the induction electrode and the resistance of the first lead through the processor, when the capacitive screen is broken, the first lead is broken along with the capacitive screen, when the processor receives the signals of the induction electrode and the resistance of the first lead is reduced, the screen is judged to be slightly damaged but not broken, and when the resistance values of the undetected transparent electrode and the first lead are judged to be damaged and broken, the beneficial effect of accurately judging the damage and the fragmentation condition of the screen is achieved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the mobile phone case of the present invention;
fig. 3 is a schematic structural view of the capacitive screen of the present invention;
fig. 4 is a top view of the internal structure of the present invention;
fig. 5 is a schematic structural diagram of the detection apparatus of the present invention.
In the figure: the mobile phone comprises a mobile phone shell-1, a capacitive screen-2, a detection device-3, a first lead-4, a jack-5, a circuit board-6, a processor-7, a liquid crystal display panel-21, a glass substrate-22, a transparent electrode-23, an adhesive layer-24, a protective layer-25, a protective shell-31, a fixing plate-32, an induction electrode-33, a resistor-34 and a second lead-35.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a device for detecting a broken capacitive screen: the detection device comprises a mobile phone shell 1, a capacitive screen 2, detection equipment 3, a first lead 4, a jack 5, a circuit board 6 and a processor 7, wherein the capacitive screen 2 is embedded in the middle of the top end of the mobile phone shell 1, the rear end inside the mobile phone shell 1 is in bolt connection with the detection equipment 3, the bottom end inside the mobile phone shell 1 is in bolt connection with the circuit board 6, the processor 7 is arranged at the top end of the circuit board 6, the processor 7 is electrically connected with the detection equipment 3 and the first lead 4 through a connecting port on the circuit board 6, the first lead 4 is connected with a transparent electrode 23 in the capacitive screen 2, the first lead 4 penetrates through the transparent electrode 23 and is connected with the detection equipment 3, the detection equipment 3 consists of a protective shell 31, a fixed plate 32, an induction electrode 33, a resistor 34 and a second lead 35, the fixed plates 32 are arranged at the top ends of the front side and the rear side of the protective shell 31, the induction electrode, the left end of the induction electrode 33 is electrically connected with the resistor 34 through a lead, the left side of the resistor 34 is electrically connected with the connecting port of the circuit board 6 through a second lead 35, the induction electrode 33 is electrically connected with the connecting port of the circuit board 6 through a lead, the first lead 4 is electrically connected with the induction electrode 33, and the top end of the fixing plate 32 is connected with the bottom end inside the mobile phone shell 1 through a bolt.
The capacitive screen 2 is composed of a liquid crystal display panel 21, a glass substrate 22, a transparent electrode 23, an adhesive layer 24 and a protective layer 25, the glass substrate 22 is arranged at the top end of the liquid crystal display panel 21, the transparent electrode 23 is arranged at the top end of the glass substrate 22, the top end of the transparent electrode 23 is adhered to the protective layer 25 through the adhesive layer 24, and the liquid crystal display panel 21, the glass substrate 22, the transparent electrode 23, the adhesive layer 24 and the protective layer 25 are all embedded into the top end inside the mobile phone shell 1 and fixed.
The top end of the protective layer 25 is provided with an anti-reflection coating, which is beneficial to reflecting external light, so that the capacitive screen 2 can display under strong light.
Wherein, fixed plate 32 all is provided with two, sets up both ends around protective housing 31 respectively, and inside is provided with the screw hole, is favorable to fixing protective housing 31 in cell phone case 1.
The first wires 4 are S-shaped and are fully distributed with the transparent electrodes 23, which is beneficial to detecting damage to the transparent electrodes 23.
Wherein, the circuit board 6 outside is provided with three wiring ports, is power supply port, signal reception port and resistance signal acquisition port respectively, is favorable to respectively to first wire 4, second wire 35 and inductive electrode 33.
The left end of the sensing electrode 33 is provided with two wires, and the two wires are respectively connected with the resistor 34 and the signal receiving port of the circuit board 6, so that the first wire 4 can be detected in multiple ways.
The first lead 4 is made of PZST materials, so that the size is small, and the electric conductivity is good.
Wherein, the resistor 34 adopts an RTX small-sized carbon film resistor, and the current blocking is stable.
The resistor 34 described in this patent is generally directly called as a resistor in daily life, and is a current limiting element, and after the resistor is connected in a circuit, the resistance value of the resistor is fixed, and generally two pins, and it can limit the magnitude of current passing through the branch to which it is connected, and the resistor whose resistance value cannot be changed is called as a fixed resistor, and the resistor whose resistance value is variable is called as a potentiometer or a variable resistor.
The working principle is as follows: when the damage of the capacitive screen 2 is detected, a first lead 4 is arranged in a transparent electrode 23 of the capacitive screen 2, the first lead 4 is distributed with the transparent electrode 23 in an S shape, one end of the first lead 4 is connected with the circuit board 6, the other end of the first lead 4 penetrates through the transparent electrode 23 to be connected with an induction electrode 33, the induction electrode 33 is respectively connected with a resistor 34 and a signal receiving port of the circuit board 6 through two leads, the resistor 34 is connected with a resistance collecting port on the circuit board 6, the processor 7 is used for carrying out data calculation and electrifying the first lead 4, the first lead 4 forms a closed circuit through the induction electrode 33 and the resistor 34, when the capacitive screen 2 is broken, the first lead 4 can be broken along with the transparent electrode 23 in the capacitive screen 2, when the processor 7 receives a signal of the induction electrode 33, and the resistance of the first lead 4 is reduced, when the capacitive screen 2 is judged to be slightly damaged but not cracked, but the resistance values of the transparent electrode 23 and the first lead 4 are not detected, the capacitive screen 2 is judged to be damaged and cracked, and the beneficial effect of accurately judging the damage and the cracking condition of the capacitive screen 2 is achieved.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A screen breakage detection device of a capacitive screen comprises a mobile phone shell (1), the capacitive screen (2), a jack (5), a circuit board (6) and a processor (7), wherein the capacitive screen (2) is embedded in the middle of the top end of the mobile phone shell (1), the rear end inside the mobile phone shell (1) is in bolted connection with the detection device (3), the inside and the bottom of the mobile phone shell (1) are in bolted connection with the circuit board (6), the processor (7) is arranged at the top end of the circuit board (6), and the processor (7) is electrically connected with the detection device (3) and a first wire (4) through a connection port on the circuit board (6);
the method is characterized in that: the detection device comprises a detection device (3) and a first lead (4), wherein the first lead (4) is connected with a transparent electrode (23) in a capacitive screen (2), the first lead (4) penetrates through the transparent electrode (23) and is connected with the detection device (3), the detection device (3) consists of a protective shell (31), a fixing plate (32), an induction electrode (33), a resistor (34) and a second lead (35), the fixing plates (32) are arranged at the top ends of the front side and the rear side of the protective shell (31), the induction electrode (33) and the resistor (34) are embedded in a groove at the top end of the protective shell (31), the left end of the induction electrode (33) is electrically connected with the resistor (34) through a lead, the left side of the resistor (34) is electrically connected with a connection port of a circuit board (6) through the second lead (35), and the induction electrode (33) is electrically connected with the connection port of the circuit board (6) through a lead, the first lead (4) is electrically connected with the induction electrode (33), and the top end of the fixing plate (32) is connected with the bottom end inside the mobile phone shell (1) through a bolt.
2. A capacitive screen shatter detection apparatus according to claim 1 wherein: the capacitive screen (2) is composed of a liquid crystal display panel (21), a glass substrate (22), a transparent electrode (23), an adhesive layer (24) and a protective layer (25), the glass substrate (22) is arranged at the top end of the liquid crystal display panel (21), the transparent electrode (23) is arranged at the top end of the glass substrate (22), the top end of the transparent electrode (23) is adhered to the protective layer (25) through the adhesive layer (24), and the liquid crystal display panel (21), the glass substrate (22), the transparent electrode (23), the adhesive layer (24) and the protective layer (25) are embedded into the top end inside the mobile phone shell (1) and are fixed.
3. A capacitive screen shatter detection apparatus according to claim 2 wherein: and the top end of the protective layer (25) is provided with an anti-reflection coating.
4. A capacitive screen shatter detection apparatus according to claim 1 wherein: the fixing plates (32) are arranged at the front end and the rear end of the protective shell (31) respectively, and threaded holes are formed in the fixing plates.
5. A capacitive screen shatter detection apparatus according to claim 2 wherein: the first lead (4) is S-shaped and is fully distributed with transparent electrodes (23).
6. A capacitive screen shatter detection apparatus according to claim 1 wherein: the outer side of the circuit board (6) is provided with three wiring ports which are respectively a power supply port, a signal receiving port and a resistance signal acquisition port.
7. A capacitive screen shatter detection apparatus according to claim 1 wherein: two leads are arranged at the left end of the induction electrode (33) and are respectively connected with the resistor (34) and a signal receiving port of the circuit board (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554753.5U CN209927951U (en) | 2019-04-23 | 2019-04-23 | Garrulous screen check out test set of electric capacity screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554753.5U CN209927951U (en) | 2019-04-23 | 2019-04-23 | Garrulous screen check out test set of electric capacity screen |
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| Publication Number | Publication Date |
|---|---|
| CN209927951U true CN209927951U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920554753.5U Expired - Fee Related CN209927951U (en) | 2019-04-23 | 2019-04-23 | Garrulous screen check out test set of electric capacity screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209927951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114387889A (en) * | 2020-10-20 | 2022-04-22 | 北京小米移动软件有限公司 | Display screen module and electronic equipment |
-
2019
- 2019-04-23 CN CN201920554753.5U patent/CN209927951U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114387889A (en) * | 2020-10-20 | 2022-04-22 | 北京小米移动软件有限公司 | Display screen module and electronic equipment |
| CN114387889B (en) * | 2020-10-20 | 2024-05-07 | 北京小米移动软件有限公司 | Display screen module and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20210423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |