CN210924544U - Capacitive screen and interactive intelligent equipment - Google Patents
Capacitive screen and interactive intelligent equipment Download PDFInfo
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- CN210924544U CN210924544U CN201921659183.2U CN201921659183U CN210924544U CN 210924544 U CN210924544 U CN 210924544U CN 201921659183 U CN201921659183 U CN 201921659183U CN 210924544 U CN210924544 U CN 210924544U
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Abstract
The utility model discloses an electric capacity screen and mutual smart machine. Wherein, this capacitive screen includes: the capacitive touch screen comprises a plurality of capacitive screen units, a plurality of touch screen units and a touch screen, wherein each capacitive screen unit comprises a driving electrode, an induction electrode and a capacitive sensor, and the capacitive screen units are spliced to form a capacitive screen; and the touch control panel is respectively connected with the plurality of capacitive screen units through signal channel lines and is used for collecting control signals of the plurality of capacitive screen units through the signal channel lines, wherein the control signals are used for performing touch control on the capacitive screen. The utility model provides an among the prior art along with the increase of equipment size, the electric capacity screen also needs the increase, and then leads to having the technical problem of the transport of not being convenient for and equipment.
Description
Technical Field
The utility model relates to an electric capacity screen field particularly, relates to an electric capacity screen and mutual smart machine.
Background
The capacitive screen touch technology works by utilizing current induction of a human body and is applied to various intelligent terminals. However, with the generation of some large-screen devices, the size of the display device is larger and larger, and the capacitive touch screen needs to be larger and larger, so that the capacitive screen has the problems of poor carrying and assembling, easy board breaking, low production yield and high rejection rate, and the capacitive screen with a larger size cannot be produced, so that the requirement of the device is difficult to meet.
To the increase along with equipment size among the prior art, the electric capacity screen also needs to increase, and then leads to there being the problem of be not convenient for transport and equipment, has not proposed effectual solution at present.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an electric capacity screen and mutual smart machine to along with the increase of equipment size, the electric capacity screen also needs the increase among the at least prior art of solving, and then leads to having the technical problem of not being convenient for transport and equipment.
According to the utility model discloses an aspect of the embodiment provides a capacitive screen, include: the capacitive screen comprises a plurality of capacitive screen units, a plurality of touch sensing units and a plurality of touch sensing units, wherein each capacitive screen unit comprises a driving electrode, an induction electrode and a capacitive sensor; the touch control panel is respectively connected with the plurality of capacitive screen units through the signal channel lines and used for collecting control signals of the plurality of capacitive screen units through the signal channel lines, wherein the control signals are used for performing touch control on the capacitive screen.
Furthermore, the capacitive screen unit is rectangular, and the number of edges of the capacitive screen unit with the frame is less than four.
Furthermore, the capacitive screen comprises two capacitive screen units, and three sides of each capacitive screen unit are provided with frames.
Furthermore, the capacitive screen comprises four capacitive screen units, and only two adjacent sides of each capacitive screen unit are provided with the frames.
Furthermore, the induction electrode of each capacitive screen unit is led out through a signal channel line on a first flexible circuit board, and the driving electrode of each capacitive screen unit is led out through a signal channel line on a second flexible circuit board.
Further, the touch control panel comprises a plurality of interfaces, and the first flexible circuit board and the second flexible circuit board of each capacitive screen unit are connected to the interfaces of the touch control panel.
Furthermore, the touch control panel comprises a plurality of interfaces, after a plurality of first flexible circuit boards of the plurality of capacitive screen units are connected with the first adapter plate, the first adapter plate is connected with the first interface of the touch control panel, and/or after a plurality of second flexible circuit boards of the plurality of capacitive screen units are connected with the second adapter plate, the second adapter plate is connected with the second interface of the touch control panel.
Furthermore, the touch control panel comprises an interface, and after the first flexible circuit boards and the second flexible circuit boards of the capacitive screen units are connected to a third adapter plate, the third adapter plate is connected to the interface of the touch control panel.
According to the utility model discloses an aspect of the embodiment provides an mutual smart machine, include: a display screen; the capacitive touch screen comprises the capacitive screen of any one of the items; the touch control panel is connected to a main board of the interactive intelligent device, and the plurality of capacitive screens are fixed at corresponding positions on the front side of the display screen.
According to the utility model discloses an aspect of the embodiment provides a capacitive screen, include: the touch panel comprises a driving electrode, an induction electrode and a capacitive sensor, wherein the driving electrode and the induction electrode are connected to the touch control panel through a flexible circuit board; the frame sets up four edges at the electric capacity screen, and wherein, the frame on at least one limit of electric capacity screen is for dismantling the frame.
The capacitive screen in the embodiment of the utility model comprises a plurality of capacitive screen units and a touch control panel, wherein each capacitive screen unit comprises a driving electrode, an induction electrode and a capacitive sensor, and the plurality of capacitive screen units are spliced to form the capacitive screen; the touch control panel is respectively connected with the plurality of capacitive screen units through the signal channel lines and used for collecting control signals of the plurality of capacitive screen units through the signal channel lines, wherein the control signals are used for performing touch control on the capacitive screen. Make through above-mentioned scheme to use a plurality of electric capacity screen units to splice and obtain a big electric capacity screen to be convenient for transportation and equipment have reached the production yield height, the disability rate is low, cost-effective effect, and make the super large size field can not receive the influence of equipment processing procedure ability, solved among the prior art along with the increase of equipment size, the electric capacity screen also need increase, and then lead to having the technical problem of not being convenient for transport and equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic diagram of a capacitive screen according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a capacitive screen formed by two capacitive screen units according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a capacitive screen formed by four capacitive screen units according to an embodiment of the present invention;
fig. 4a is a schematic diagram of a back plate of a capacitive screen unit according to an embodiment of the present invention;
fig. 4b is a schematic diagram of another capacitive screen unit back plate according to an embodiment of the present invention;
FIG. 4c is a schematic view of the combination of the structures in FIGS. 4a and 4 b;
fig. 5a is a schematic diagram of a back plate of a capacitive screen unit according to an embodiment of the present invention;
fig. 5b is a schematic diagram of another capacitive screen unit back plate according to an embodiment of the present invention;
fig. 5c is a schematic diagram of another capacitive screen unit backplane according to an embodiment of the present invention;
fig. 5d is a schematic diagram of another capacitive screen unit backplane according to an embodiment of the present invention;
FIG. 5e is a schematic view of the combination of the structures in FIGS. 5a, 5b, 5c and 5 d;
fig. 6 is a schematic diagram of a capacitive screen unit accessing a touch control panel according to the present invention;
fig. 7 is a schematic diagram of another capacitive screen unit according to the present invention accessing a touch control panel;
fig. 8 is a schematic diagram of a detachable frame of the capacitive screen according to the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of 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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such system, article, or apparatus.
Example 1
According to the utility model discloses according to the embodiment provides an electric capacity screen's embodiment, and fig. 1 is according to the utility model discloses an electric capacity screen's schematic diagram, as shown in fig. 1, this electric capacity screen includes:
a plurality of capacitive screen units 10, every capacitive screen unit include drive electrode, response electrode and capacitive sensor, and a plurality of capacitive screen units constitute the capacitive screen through the concatenation.
Specifically, the capacitive screen control unit can be used as an independent capacitive screen after being connected to the touch control board. Each capacitive screen cell has an independent RX (sense electrode), TX (drive electrode) and capacitive sensor.
In an alternative embodiment, each capacitive screen unit has the same size, and the attaching of the plurality of capacitive screen units may be implemented by a fixing member. The capacitive screen unit can be of various capacitive screen structures such as G + G/G + F/G + F + F/OGS.
The touch control panel 20 is connected to the plurality of capacitive screen units through signal channel lines, and is configured to collect control signals of the plurality of capacitive screen units through the signal channel lines, where the control signals are used for performing touch control on the capacitive screen.
Specifically, the signal channel lines are lines led out from the RX and the TX, the control signals refer to signals generated during operation on the surface of the capacitive screen, the signal channel lines led out from the capacitive screen units are connected to a touch control board, the control signals are collected to the touch control board through the signal channel lines, and the touch control board can perform touch control on the capacitive screen units.
In an optional embodiment, the number of the capacitive screen units may be two, and the signal channel lines of the two capacitive screen units are respectively connected to the touch control screen, so that the two capacitive screens can be spliced to form a large capacitive screen.
It should be noted that, when the multiple capacitive screen units are spliced, the edges of the visible areas of the multiple capacitive screen units need to be aligned and attached, that is, the smaller the distance between the edges of the visible areas of the multiple capacitive screen units, the better, and therefore, the generation of a touch blind area is avoided.
Therefore, the capacitive screen of the above embodiment of the present invention includes a plurality of capacitive screen units and a touch control panel, each capacitive screen unit includes a driving electrode, an inductive electrode and a capacitive sensor, and the plurality of capacitive screen units are spliced to form a capacitive screen; the touch control panel is respectively connected with the plurality of capacitive screen units through the signal channel lines and used for collecting control signals of the plurality of capacitive screen units through the signal channel lines, wherein the control signals are used for performing touch control on the capacitive screen. Make through above-mentioned scheme to use a plurality of electric capacity screen units to splice and obtain a big electric capacity screen to be convenient for transportation and equipment have reached the production yield height, the disability rate is low, cost-effective effect, and make the super large size field can not receive the influence of equipment processing procedure ability, solved among the prior art along with the increase of equipment size, the electric capacity screen also need increase, and then lead to having the technical problem of not being convenient for transport and equipment.
As an alternative embodiment, the capacitive screen unit is rectangular, and the number of sides of the capacitive screen unit having the frame is less than four.
Because a plurality of capacitive screen units need to be spliced, the edge of the visible area of each capacitive screen unit adjacent to other capacitive screen units does not have a frame, otherwise, a touch blind area can be generated. The number of the edges of the capacitive screen unit with the frames is less than four, namely at least one edge of the capacitive screen unit does not have a frame, and the capacitive screen unit does not have a frame through at least one edge of the capacitive screen unit, so that when the capacitive screen unit is spliced with other capacitive screen units, a touch blind area does not exist among the capacitive screen units.
As an alternative embodiment, the capacitive screen includes two capacitive screen units, and three sides of the capacitive screen units have frames.
In the scheme, a large capacitive screen is formed by two capacitive screen units. Fig. 2 is according to the utility model discloses a through two electric capacity screen units constitute a schematic diagram of electric capacity screen, combine fig. 2 to show, two electric capacity screen units that the size is the same all have a limit not to have the frame, and the limit that will not have the frame splices as the visual zone edge, can obtain a big electric capacity screen, and the four sides of this big electric capacity screen all have the frame.
According to the scheme, only three sides of each capacitive screen unit are provided with the frame when the two capacitive screen units are spliced, so that the two sides without the frames can be spliced by the two capacitive screen units, the four sides of the capacitive screen with the large frames are formed, and the large capacitive screen obtained by splicing does not have touch control blind spots.
As an alternative embodiment, the capacitive screen includes four capacitive screen units, and only two adjacent sides of the capacitive screen units have the frame.
In the scheme, a large capacitive screen is formed by four capacitive screen units. Fig. 3 is according to the utility model discloses a schematic diagram that constitutes an electric capacity screen through four electric capacity screen units, it is shown to combine fig. 3, and four electric capacity screen units that the size is the same all have two limits to not have the frame, and the limit that will not have the frame splices as the visual zone edge, can obtain a big electric capacity screen, and the four sides of this big electric capacity screen all have the frame.
According to the scheme, when the four capacitive screen units are spliced, only two adjacent edges of each capacitive screen unit are provided with the frame, so that the four capacitive screen units can splice a plurality of edges without the frames, four edges of the capacitive screen with large frames are formed, and the large capacitive screen obtained by splicing does not have touch blind spots.
As an alternative embodiment, the sensing electrode of each capacitive screen unit is led out through a signal channel line on a first flexible circuit board, and the driving electrode of each capacitive screen unit is led out through a signal channel line on a second flexible circuit board.
In the above scheme, RX of each capacitive screen unit is led out through a signal channel line on one flexible circuit board, and TX of each capacitive screen unit is led out through a signal channel line on one flexible circuit board, so that each capacitive screen unit can be controlled independently.
Fig. 4a is a schematic diagram of a back plate of a capacitive screen unit according to an embodiment of the present invention, and as shown in fig. 4a, the back surface of the capacitive screen unit includes a capacitive sensor 40 (actually, a transparent conductor or a grid structure without affecting light transmission), a first flexible circuit board 41 and a second flexible circuit board 42, wherein the first flexible circuit board 41 leads out a line of RX, and the second flexible circuit board 42 leads out a line of TX. Fig. 4b is a schematic diagram of another capacitive screen unit back plate according to an embodiment of the present invention, and the structure thereof is similar to that in fig. 4a, and is not repeated.
Fig. 4c is a schematic diagram of the combination of the structures in fig. 4a and 4b, and the capacitive screen unit in fig. 4a and the capacitive screen unit in fig. 4b are combined to obtain the result shown in fig. 4c, and the combined capacitive screen includes two first flexible circuit boards and two second flexible circuit boards.
Fig. 5a is a schematic diagram of a back plate of a capacitive screen unit according to an embodiment of the present invention, and as shown in fig. 5a, the back surface of the capacitive screen unit includes a capacitive sensor 50 (actually, a transparent conductor or a grid structure without affecting light transmission), a first flexible circuit board 51 and a second flexible circuit board 52, wherein the first flexible circuit board 51 leads out a line of RX, and the second flexible circuit board 52 leads out a line of TX. Fig. 5b, fig. 5c and fig. 5d are schematic views of another capacitive screen unit back plate according to an embodiment of the present invention, and the structure thereof is similar to that in fig. 5a, and is not repeated.
Fig. 5e is a schematic diagram of the combination of the structures in fig. 5a, 5b, 5c and 5d, and the capacitive screen units in fig. 5a, 5b, 5c and 5d are combined to obtain the result shown in fig. 5e, and the combined capacitive screen includes four first flexible circuit boards and four second flexible circuit boards.
As an alternative embodiment, the touch control board includes a plurality of interfaces, and the first flexible circuit board and the second flexible circuit board of each capacitive screen unit are connected to the interfaces of the touch control board.
In the above scheme, the touch control panel is provided with the number of interfaces corresponding to the capacitive screen unit, so that each first flexible circuit board and each second flexible circuit board can be directly connected to the touch control panel. The first flexible circuit board and the second flexible circuit board of each capacitive screen unit are connected to the interface of the touch control panel, so that a large capacitive screen formed by a plurality of capacitive screen units can be integrally controlled as a capacitive screen.
Fig. 6 is a schematic diagram of the capacitive screen unit accessing to the touch control panel according to the present invention, and as shown in fig. 6, the capacitive screen control unit includes four interfaces, and four flexible circuit boards (63, 64, 65, 66) of the capacitive screen unit 61 and the capacitive screen unit 62 all directly access to the corresponding interfaces of the touch control panel 60.
Need attention toIn fig. 6, the touch control panel 60 further includes a communication interface 67, where the communication interface 67 is used for communicating with a main board of a device where the capacitive screen is located, where the communication interface 67 may be a USB interface or an I interface2A C interface or an SPI interface.
As an optional embodiment, the touch control panel includes a plurality of interfaces, after the plurality of first flexible circuit boards of the plurality of capacitive screen units are connected to the first adapter plate, the first adapter plate is connected to the first interface of the touch control panel, and/or after the plurality of second flexible circuit boards of the plurality of capacitive screen units are connected to the second adapter plate, the second adapter plate is connected to the second interface of the touch control panel.
In the above solution, the touch control panel may include two interfaces, one for accessing all the first flexible circuit boards, and the other for accessing all the second flexible circuit boards. The touch control panel can also comprise more than two interfaces, wherein a plurality of first flexible circuit boards are connected with one interface of the touch control panel through the adapter plate, and other second flexible circuit boards are directly connected with the touch control panel; or the plurality of second flexible circuit boards are connected with the touch control panel through the adapter plate, and other first flexible circuit boards are directly connected with the touch control panel.
That is, in the above scheme, the flexible circuit boards can be connected to the touch control board through the adapter board; or a part of the flexible circuit board can be connected to the touch control board after passing through the adapter plate, and other flexible circuit boards can be directly connected to the touch control board. According to the scheme, the plurality of first flexible circuit boards are connected into the first adapter plate, the plurality of second flexible circuits are connected into the second adapter plate, and then the first flexible circuits and the second flexible circuits are connected into the touch control panel through the first adapter plate and the second adapter plate respectively, so that the number of interfaces of the touch control panel can be reduced, and the wiring is simpler.
In an alternative embodiment, fig. 7 is a schematic diagram of another capacitive screen unit accessing a touch control board according to the present invention, as shown in fig. 7, the touch screen control unit includes six interfaces, among eight flexible circuit boards (75, 76, 77, 78, 79, 710, 711, 712) of the capacitive screen unit 71, the capacitive screen unit 72, the capacitive screen unit 73, and the capacitive screen unit 74, the flexible circuit board 75 and the flexible circuit board 76 access the touch control board 70 through the adapter plate 713, the flexible circuit board 77 and the flexible circuit board 78 access the touch control board 70 through the adapter plate 714, and other flexible circuit boards all directly access corresponding interfaces of the touch control board 70.
It should be noted that, in fig. 7, the touch control board 70 further includes a communication interface 715, and the communication interface 715 is used for communicating with a motherboard of a device in which the capacitive screen is located, where the communication interface 715 may be a USB interface, I2A C interface or an SPI interface.
As an alternative embodiment, the touch control panel includes an interface, and after the first flexible circuit boards and the second flexible circuit boards of the capacitive screen units are connected to a third adapter board, the third adapter board is connected to the interface of the touch control panel.
In the above scheme, only one interface may be arranged on the touch control panel, and after all the flexible circuit boards are connected to the adapter board, the flexible circuit boards are connected to the touch control panel through the adapter board. According to the scheme, after all the flexible circuits are connected into the same adapter plate, one adapter plate is connected into the touch control panel, so that the number of interfaces of the touch control panel is further reduced, and wiring when the capacitive screen units are spliced is further simplified.
Example 2
According to the embodiment of the utility model provides an embodiment of mutual smart machine is provided, this mutual smart machine includes:
a display screen;
a capacitive touch screen comprising the capacitive screen of any one of embodiments 1;
the touch control panel is connected to a main board of the interactive intelligent device, and the plurality of capacitive screens are fixed at corresponding positions on the front side of the display screen.
In this example, an interactive smart device was constructed by using the capacitive screen in example 1. Specifically, the touch control panel can be accessed into the mainboard of the interactive intelligent device through a serial port communication mode, and the capacitive screen can be pasted on the front side of the display screen and also can be fixed on the front side of the display screen through a fixing piece. Through the scheme, when the interactive intelligent equipment is manufactured in the ultra-large field, the limitation of the size of the capacitive screen is avoided.
Example 3
According to the utility model discloses embodiment provides an embodiment of electric capacity screen, this electric capacity screen includes:
the touch panel comprises a driving electrode, an induction electrode and a capacitive sensor, wherein the driving electrode and the induction electrode are connected to the touch control panel through a flexible circuit board;
the frame sets up four edges at rectangle electric capacity screen, and wherein, the frame on at least one limit of electric capacity screen is for dismantling the frame.
This embodiment has provided a frame detachable electric capacity screen, and this electric capacity screen is on the basis of electric capacity screen unit in embodiment 1, adds at least one frame and obtains, promptly, and electric capacity screen in this embodiment can dismantle the frame according to the demand, when using as electric capacity screen alone, and all frames in addition when using as electric capacity screen unit, the detachable frame of unloading comes to make up with other electric capacity screen units.
Fig. 8 is a schematic diagram according to the utility model discloses a can dismantle electric capacity screen of frame dismantles frame, combines fig. 8 to show, takes out an electric capacity screen unit in fig. 2, installs a frame for it is additional, can constitute an independent electric capacity screen. Similarly, if the capacitive screen unit in fig. 4 is taken out, two frames need to be added, and an independent capacitive screen can be obtained.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A capacitive screen, comprising:
the capacitive touch screen comprises a plurality of capacitive screen units, a plurality of touch screen units and a touch screen, wherein each capacitive screen unit comprises a driving electrode, an induction electrode and a capacitive sensor, and the capacitive screen units are spliced to form a capacitive screen;
and the touch control panel is respectively connected with the plurality of capacitive screen units through signal channel lines and is used for collecting control signals of the plurality of capacitive screen units through the signal channel lines, wherein the control signals are used for performing touch control on the capacitive screen.
2. The capacitive screen of claim 1, wherein the capacitive screen units are rectangular, and the number of sides of the capacitive screen units having a border is less than four.
3. The capacitive screen of claim 2, wherein the capacitive screen comprises two capacitive screen units, wherein three sides of the capacitive screen units have a border.
4. The capacitive screen of claim 2, wherein the capacitive screen comprises four capacitive screen units, wherein only two adjacent sides of the capacitive screen units have a border.
5. The capacitive screen of claim 1, wherein the sensing electrode of each capacitive screen unit is led out through a signal channel line on a first flexible circuit board, and the driving electrode of each capacitive screen unit is led out through a signal channel line on a second flexible circuit board.
6. The capacitive screen of claim 5, wherein the touch control board comprises a plurality of interfaces, and the first flexible circuit board and the second flexible circuit board of each capacitive screen unit are connected to the interfaces of the touch control board.
7. The capacitive screen of claim 5, wherein the touch control board comprises a plurality of interfaces, and after the first flexible circuit boards of the capacitive screen units are connected to the first adapter board, the first adapter board is connected to the first interface of the touch control board, and/or after the second flexible circuit boards of the capacitive screen units are connected to the second adapter board, the second adapter board is connected to the second interface of the touch control board.
8. The capacitive screen of claim 5, wherein the touch control board comprises an interface, and after the first flexible circuit boards and the second flexible circuit boards of the capacitive screen units are connected to a third adapter board, the third adapter board is connected to the interface of the touch control board.
9. An interactive smart device, comprising:
a display screen;
a capacitive touch screen comprising the capacitive touch screen of any one of claims 1 to 8;
the touch control panel is connected to a main board of the interactive intelligent device, and the plurality of capacitive screens are fixed at corresponding positions on the front side of the display screen.
10. A capacitive screen, comprising:
the touch panel comprises a driving electrode, an induction electrode and a capacitive sensor, wherein the driving electrode and the induction electrode are connected to the touch control panel through a flexible circuit board;
the frame sets up four edges of electric capacity screen, wherein, the frame on at least one limit of electric capacity screen is for dismantling the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921659183.2U CN210924544U (en) | 2019-09-30 | 2019-09-30 | Capacitive screen and interactive intelligent equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921659183.2U CN210924544U (en) | 2019-09-30 | 2019-09-30 | Capacitive screen and interactive intelligent equipment |
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| CN210924544U true CN210924544U (en) | 2020-07-03 |
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| CN201921659183.2U Active CN210924544U (en) | 2019-09-30 | 2019-09-30 | Capacitive screen and interactive intelligent equipment |
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