CN110377188A - Infrared touch display screen - Google Patents
Infrared touch display screen Download PDFInfo
- Publication number
- CN110377188A CN110377188A CN201910260336.4A CN201910260336A CN110377188A CN 110377188 A CN110377188 A CN 110377188A CN 201910260336 A CN201910260336 A CN 201910260336A CN 110377188 A CN110377188 A CN 110377188A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- display screen
- touch display
- frame
- infrared touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
Abstract
This application discloses a kind of infrared touch display screens, frame including display screen peripheral is arranged in, the frame includes the first frame and the first circuit board component that is installed on first frame, the first circuit board component includes first circuit board and multiple infrared components for being set on the first circuit board, it further include at least one image acquisition element being set on the first circuit board and at least one element that quiets down, each described image acquisition elements are arranged between two adjacent infrared components, each element that quiets down is arranged between two adjacent infrared components, and the element that quiets down described in a described image acquisition elements or one is at most set between two infrared components of arbitrary neighborhood.The structure of infrared touch display screen provided by the present application is more compact, and improves assembly efficiency, reduces production cost, realizes the infrared touch display screen of narrow frame.
Description
Technical field
This application involves electronic technology field, especially a kind of infrared touch display screen.
Background technique
With the development of electronic technology, the application of various display screens is more and more wider, and wherein infrared touch display screen is because it is suitable
The advantages that answering wide range, strong antijamming capability is widely used, in the prior art, the camera shooting on infrared touch display screen
Head, Mike etc. are required to that individual PCB circuit board is arranged, and the integrated level of each circuit board is low, it is therefore desirable to reserve on a display screen
The space for installing these PCB circuit boards generallys use the mode of bold border width or camera, Mike is individually made into one
Large-size screen monitors upper end or lower end are hung on outside a module, causes that the structure of display screen is not compact and assembly efficiency is low, high production cost.
Summary of the invention
In view of this, the purpose of the application is to provide a kind of infrared touch display screen, it is low to solve circuit board integrated level, with
And the problem of structure of infrared touch display screen is not compact, assembly efficiency is low, high production cost.
In order to achieve the above objectives, the application adopts the following technical scheme that
A kind of infrared touch display screen, the frame including display screen peripheral is arranged in, the frame include the first frame and
The first circuit board component being installed on first frame, the first circuit board component include first circuit board and are set to
Multiple infrared components on the first circuit board further include at least one Image Acquisition being set on the first circuit board
Element and at least one element that quiets down, each described image acquisition elements are arranged between two adjacent infrared components,
Each element that quiets down is arranged between two adjacent infrared components, and two infrared members of arbitrary neighborhood
The element that quiets down described in one described image acquisition elements or one is at most set between part.
Preferably, the first circuit board component further include: for handling the first processing units of infrared signal, described
One processing unit is electrically connected with the infrared components；For handling the second processing unit of picture signal, for handling sound letter
Number third processing unit, described the second processing unit and third processing unit respectively with described image acquisition elements and the member that quiets down
Part electrical connection.
Preferably, described image acquisition elements are provided with one or two, and described image acquisition elements are taken the photograph for short focus
As head.
Preferably, the frame further includes the second frame and third frame being connected respectively with first frame, described
Second frame and the third frame are separately installed with tertiary circuit plate, are provided with described at least one on the tertiary circuit plate
Image acquisition element.
Preferably, there are two the settings of described image acquisition elements, it is arranged at least one between two short focus cameras
A element that quiets down.
Preferably, the infrared touch display screen further includes second circuit board component, and the second circuit board component includes
Second circuit board and the multiple infrared components being set on the second circuit board, it is not set described on the second circuit board
Image acquisition element and the element that quiets down, the first circuit board are electrically connected with the second circuit board.
Preferably, the middle part of first frame has the first accommodating chamber, and the both ends of first frame have second to hold
Receive chamber, the first circuit board component is placed in first accommodating chamber, and the second circuit board component is placed in described second
Accommodating chamber.
Preferably, first frame includes preceding frame portion and positioning link, first accommodating chamber be formed in it is described before
The middle part of frame portion, second accommodating chamber are formed in the both ends of the preceding frame portion, the first circuit board component and the positioning
Connector connects to form mounting assembly, and the mounting assembly is installed on the preceding frame portion.
Preferably, the back side of the preceding frame portion is provided with mounting groove, and the opening of the mounting groove is towards the preceding frame portion
Back side, the positioning link are placed in the mounting groove；First accommodating chamber is connected to the mounting groove, so that institute
It states mounting assembly and is placed in the mounting groove and first accommodating chamber.
Preferably, the opposite two side walls of first accommodating chamber are matched with the first circuit board component respectively.
Preferably, the first circuit board is strip structure, length direction of the mounting groove along the first circuit board
Both ends side wall respectively with the positioning link cooperate.
Preferably, the first mounting hole is provided on the first circuit board, be provided on the positioning link with it is described
Corresponding second mounting hole of first mounting hole.
Preferably, the positioning link includes the first connecting portion with mounting groove cooperation, further includes by described the
The leading flank of one interconnecting piece protrudes the second connecting portion to be formed, and the second connecting portion leans with the first circuit board, institute
It states the second mounting hole and is set to the second connecting portion.
Preferably, it is provided with third mounting hole on the positioning link, is provided in the preceding frame portion and the third
Corresponding 4th mounting hole of mounting hole.
Preferably, the both ends of the positioning link are provided with lug, and the back side of the preceding frame portion is corresponding with the lug
Position is provided with recess portion, and the third mounting hole is arranged on the lug, and the 4th mounting hole is arranged at the recess portion,
The inner bottom surface of the lug and the recess portion leans.
Preferably, the preceding frame portion is made of profile, and the middle part of the profile removes forward some materials shape from its back side
At the mounting groove.
Preferably, it is provided in the profile and extends along the perforative through slot in direction, the through slot, which forms described first, to be held
Receive chamber and second accommodating chamber, the top and bottom of the through slot are provided with leads with the positioning of second circuit board cooperation
To slot, the back side of the mounting groove from the profile is penetrated through to the positioning and guiding slot.
In infrared touch display screen provided by the present application, it is mounted in the circuit board assemblies on the first frame, image is adopted
Collection element, quiet down element and infrared components are arranged on same circuit board, in this way, no longer needing to individually to image acquisition element, receipts
Circuit board is arranged in sound component, so that circuit board assemblies is compact-sized, and then may make the structure of infrared touch display screen
It is more compact, and assembly efficiency is improved, production cost is reduced, in addition, by image acquisition element, the interspersed setting of the element that quiets down
An image acquisition element is at most set between infrared components, and between two infrared components of arbitrary neighborhood or one quiets down
Element, on the one hand makes image acquisition element, the setting for the element that quiets down does not influence the arrangement of infrared components, on the other hand makes red
The frame of outer touch display screen only needs to have the width of one circuit board of installation enough, and then realizes that the infrared touch of narrow frame is shown
Screen.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present application, the above-mentioned and other purpose of the application, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the functional block diagram of first circuit board component provided by the present application；
Fig. 2 shows the circuit diagrams for the first circuit board component that one preferred embodiment of the application provides；
Fig. 3 shows the structural schematic diagram of first circuit board component provided by the present application；
Fig. 4 shows the structural schematic diagram of infrared touch display screen provided by the present application；
Fig. 5 is shown in infrared touch display screen provided by the present application, the first frame and first circuit board component, second circuit
The explosive view of board group part, optical filtering part；
Fig. 6 shows the enlarged drawing in Fig. 5 at A；
Fig. 7 shows the enlarged drawing in Fig. 5 at B；
Fig. 8 shows the enlarged drawing in Fig. 5 at C；
Fig. 9 is shown in infrared touch display screen provided by the present application, the structural schematic diagram of positioning link；
Figure 10 is shown in infrared touch display screen provided by the present application, the first frame and first circuit board component, the second electricity
The assembling stereogram of road board group part；
Figure 11 shows the enlarged drawing in Figure 10 at D；
Figure 12 is shown in infrared touch display screen provided by the present application, the first frame and first circuit board component, the second electricity
Main view after the assembly of road board group part；
Figure 13 shows in Figure 12 E-E to cross-sectional view；
Figure 14 is shown in infrared touch display screen provided by the present application, the main view of preceding frame portion；
Figure 15 shows in Figure 14 F-F to cross-sectional view；
Figure 16 shows in Figure 14 G-G to cross-sectional view.
In figure,
100, first circuit board component；101, first circuit board；102, infrared components；103, image acquisition element；104,
Quiet down element；105, first processing units；106, the second processing unit；107, third processing unit；108, connector；109,
One mounting hole；
200, second circuit board component；201, second circuit board；
300, frame；11, the first frame；111, preceding frame portion；1111, top plate；1112, foreboard；1113, interconnecting piece；1114,
4th mounting hole；1115, groove；1116, insert port；1117, positioning and guiding slot；1118, card slot；1119, mounting groove；1110,
Second card slot；112, rear frame portion；1121, the plate structure of L shape；1122, clamping structure；1123, card base；113, chimb；
1131, the first card slot；114, optical filtering part；115, recess portion；12, positioning link；121, first connecting portion；1211, lug；
1212, third mounting hole；122, second connecting portion；1221, the second mounting hole；21, the second frame；31, third frame.
Specific embodiment
The application is described below based on embodiment, but the application is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in the datail description of the application, in order to avoid obscuring the essence of the application,
There is no narrations in detail for well known method, process, process, element.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present application, it is to be understood that term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Wherein, the nouns of locality such as "front", "rear" described herein, "top", "bottom", "left", "right" refer to infrared touching
Touch display screen in normal operation, orientation infrared touch display screen when in face of infrared touch display screen faces the one of user
Side is " preceding ", and opposite side is " rear " with " preceding ", is "top" in the upside of vertical direction, downside is "bottom", and user is in face of red
When outer touch display screen positioned at the side of user's right hand be " right side ", left hand side be " left side ".
This application provides a kind of infrared touch display screens, as shown in Figure 4 comprising the frame of display screen peripheral is arranged in
300, infrared components 102 is provided in frame 300, and infrared components 102 can issue infrared ray, by constantly detecting infrared ray
Whether it is blocked by the body to realize positioning purpose, and then the functions such as touch, writing for realizing infrared touch display screen.
Specifically, the first circuit board component 100 that frame 300 frame 11 and be installed on the first frame 11 including first,
Wherein frame 300 can be rectangular frame, and it can be the top of frame 300 that the first frame 11, which is wherein one side of frame 300,
(referring to Fig. 4), or the left and right sides of the following or frame 300 of frame 300.As shown in figures 1 and 3, the first electricity
Road board group part 100 includes first circuit board 101 and the multiple infrared components 102 being set on first circuit board 101, the first circuit
Plate 101 is in strip structure, and multiple infrared components 102 are successively intervally arranged along the extending direction of first circuit board 101, infrared components
102 for issuing infrared ray, with functions such as touch, writings for realizing infrared touch display screen.Below with the first frame 11
It is described for top for frame 300, the other positions that frame 300 is set to for it can be correspondingly arranged.
First circuit board component 100 further includes at least one image acquisition element 103 being set on first circuit board 101
With at least one element 104 that quiets down, wherein image acquisition element 103 is for carrying out Image Acquisition, and image acquisition element 103
It such as may include camera, also may include any other device that can be realized image-acquisition functions, the element 104 that quiets down is used for
Sound collection is carried out, such as may include Mike, also may include any other device that can be realized sound collection function.Such as
This, these elements can be realized by first circuit board 101 mutual connection and with external connection, nothing
It needs that circuit board individually is arranged to image acquisition element 103, the element 104 that quiets down again, so that the integrated level of circuit board assemblies is improved,
So that the structure of infrared touch display screen is more compact, and improves the assembly efficiency of infrared touch display screen, production is reduced
Cost.
Further, each image acquisition element 103 is arranged between two adjacent infrared components 102, is each quieted down
Element 104 is arranged between two adjacent infrared components 102, also, between two infrared components 102 of arbitrary neighborhood at most
One image acquisition element 103 or the element 104 that quiets down are set, that is, can be between the two neighboring infrared components 102 in part not
It is arranged any element (being both not provided with image acquisition element 103, be also not provided with the element 104 that quiets down), the two neighboring infrared member in part
One image acquisition element 103 is only set between part 102, is only arranged one between the two neighboring infrared components 102 in part and quiets down
Element 104, but image acquisition element 103 will not be set simultaneously between two neighboring infrared components 120 and the element 104 that quiets down.Such as
This, by image acquisition element 103, the interspersed setting of the element 104 that quiets down between infrared components 102, and two of arbitrary neighborhood are red
One image acquisition element 103 or the element 104 that quiets down at most are set between external component 102, on the one hand make Image Acquisition
The setting of element 103, the element 104 that quiets down does not influence the arrangement of infrared components 102, on the other hand makes infrared touch display screen
Frame 300 only needs to have the width of one circuit board of installation enough, and then realizes the infrared touch display screen of narrow frame.
Further, first circuit board component 100 further includes the first processing units 105 for handling infrared signal, the
One processing unit 105 is electrically connected with infrared components 102, and first processing units 105 can be set on first circuit board 101, and
It is realized by first circuit board 101 and is electrically connected with infrared components 102, the signal of infrared components 102 can pass through the first circuit
Plate 101 is transmitted to first processing units 105, and first processing units 105 handle received signal, certainly, by the first electricity
The limitation of space layout on road plate 101, first processing units 105 also can be set in other positions, such as be arranged infrared
On the mainboard of touch display screen.
First circuit board component 100 further includes the second processing unit 106 for handling picture signal, the second processing unit
106 are electrically connected with image acquisition element 103, and the second processing unit 106 can be set on first circuit board 101, and pass through the
One circuit board 101 is realized to be electrically connected with image acquisition element 103, and the information of the acquisition of image acquisition element 103 can be by the
One circuit board 101 is transmitted to the second processing unit 106, and the second processing unit 106 adopts such as camera of image acquisition element 103
The picture signal of collection is handled, for example, the second processing unit 106 is picture processing chip.Certainly, by first circuit board 101
On space layout limitation, the second processing unit 106 also can be set in other positions, such as setting is shown in infrared touch
On the mainboard of screen.
First circuit board component 100 further includes the third processing unit 107 for handling voice signal, third processing unit
107 are electrically connected with the element 104 that quiets down, and third processing unit 107 can be set on first circuit board 101, and pass through the first electricity
The realization of road plate 101 is electrically connected with the element 104 that quiets down, and the information of the element 104 that quiets down acquisition can be passed by first circuit board 101
Transport to third processing unit 107, third processing unit 107 to such as voice signal of Mike's acquisition of element 104 that quiets down at
Reason, for example, third processing unit 107 is digital signal processing module.Certainly, by the space layout on first circuit board 101
Limitation, third processing unit 107 also can be set in other positions, such as be arranged on large-size screen monitors mainboard.
Further, as shown in Figure 1, the second processing unit 106 is electrically connected with third processing unit 107, in this way, at second
Reason unit 106 and third processing unit 107 can transmit signal, and the signal such as through the processing of third processing unit 107 is transmitted to the
Two processing units 106, the second processing unit 106 are also used to handle the signal after being processed with through third processing unit 107
Signal fused；Alternatively, being also possible to be transmitted to third processing unit 107, third through the signal that the second processing unit 106 is handled
The signal and the signal fused handled through the second processing unit 106 that processing unit 107 is also used to be processed.
Further, first circuit board component 100 further includes connector 108, for first circuit board component 100 with it is infrared
The connection of the mainboard of touch display screen is electrically connected in the second processing unit 106 with third processing unit 107, and second processing list
In the embodiment for the signal fused that member 106 is also used to handle by the signal after being processed and through third processing unit 107, second
The signal that processing unit 106 and first processing units 105 export accesses connector 108, as shown in Figure 1；In second processing list
Member 106 is electrically connected with third processing unit 107, and third processing unit 107 is also used to by the signal after being processed and through the
In the embodiment of the signal fused of two processing units 106 processing, what third processing unit 107 and first processing units 105 exported
Signal accesses connector 108.Specifically, in first processing units 105, (or the third processing unit of the second processing unit 106
107) and connector 108 is when being set to first circuit board 101, the second processing unit 106 (or third processing unit 107) and the
The output signal line of one processing unit 105 is routed on first circuit board 101 respectively, is ultimately connected to connector 108, by one
The output of connector 108 is connected to mainboard, these signals are handled and realized with relevant control by large-size screen monitors mainboard.Certainly,
A connector can be directly connected to respectively with first processing units 105, the second processing unit 106 and third processing unit 107
108, respective signal is output to mainboard respectively.
In a specific embodiment, as shown in Fig. 2, the element 104 that quiets down is Mike, one or more has been can be set
A element 104 that quiets down, such as two, three or more, four, respectively Mike 1, Mike 2, Mike 3 and wheat are shown in figure
Grams 4.Third processing unit 107 is digital signal processing module, and image acquisition element 103 is camera, can be set one
Or multiple images acquisition elements 103, such as two, three or more, show and set there are two camera in figure, two camera shootings
Head connect with the second processing unit 106 respectively, and the second processing unit 106 is picture processing chip, first processing units 105 and the
Two processing units 106 are connect with connector 108, first processing units 105, the second processing unit 106, third processing unit
107 and connector 108 be set on first circuit board 101, when work, Mike carries out voice pickup, and voice signal is changed
To be sent to digital signal processing module after electric signal, digital signal processing module is handled to obtain to received electric signal
IIS signal, and IIS signal is sent to picture processing chip, while picture processing chip is responsible for the image procossing of camera
IIS signal is incorporated, fused signal is exported into usb signal (i.e. D+/D-), the usb signal and first processing units above-mentioned
The signals of 105 processing are transmitted separately to connector 108, finally by connector 108 output to mainboard, connector at this time
108 be USB interface.It should be noted that above-mentioned usb signal may be other data-signals, it is only necessary to connector 108
Interface matches.
Image acquisition element 103 on first circuit board 101 may be provided with one or two, it is preferable that such as Fig. 3 institute
Show, image acquisition element 103 uses short focus camera, since the axial direction of short focus camera is (i.e. where the optical axis of camera
Direction) length it is shorter, therefore the thickness of frame 300 can be reduced using short focus camera (i.e. frame 300 is along front and back
To size), so that infrared touch display screen in a thickness direction smaller, structure is more compact.It is highly preferred that in order to
Extension captures visual angle space, and there are two the settings of short focus camera, and two short focus cameras can be about first circuit board 101
Vertical median plane be symmetrical arranged, extending direction of the vertical median plane perpendicular to first circuit board 101.Specifically, two short focus
It can be set according to the field range of Image Acquisition away from the distance between camera.Optionally, two short focus cameras
Between be at least spaced 8-12 infrared components 102, such as 8,9,10,11,12, to guarantee the camera shooting of two short focus
The distance between head, and then guarantee the collection effect of image.
Preferably, when setting is there are two short focus camera on first circuit board 101, between two short focus cameras
At least one element 104 that quiets down is set, is i.e. one can be set between two short focus cameras and quieted down element 104, two
Quiet down element 104 or more elements 104 that quiet down, for example, in the embodiment shown in fig. 3, setting between short focus camera
It sets there are two the element 104 that quiets down, the element 104 that quiets down, multiple members that quiet down respectively are arranged in the two sides of each short focus camera respectively
Part is symmetrical arranged about above-mentioned vertical median plane, be so, it is possible to obtain preferably to quiet down and effect and is guaranteed sound and image
Synchronism.
Due to being not only provided with infrared components 102 on the first circuit board 101 in first circuit board component 100, but also it is provided with
Image acquisition element 103 and quiet down element 104, need to carry out the printed circuit on first circuit board 101 specific setting with
Meet the circuit connection between each element, in order to facilitate processing, infrared touch display screen further includes second circuit board component 200,
Second circuit board component 200 is similar to the circuit board assemblies on conventional infrared touch display screen comprising second circuit board 201 with
And it is set to multiple infrared components (not shown)s on second circuit board 201, that is, be not provided on second circuit board 201
Image acquisition element, quiet down element, and first circuit board 101 is electrically connected with second circuit board 201, in this way, in the first frame 11
The region for needing to be arranged image acquisition element 103 and the element 104 that quiets down, is set as and the matched knot of first circuit board component 100
Structure, do not need setting image acquisition element 103, quiet down element 104, it is only necessary to the region of infrared components is set, be set as with
The matched structure of second circuit board component 200.In addition, the first electricity that image acquisition element 103, the element 104 that quiets down will be provided with
Road board group part 100, which is separately provided, to be also beneficial to the accurate positionin to image acquisition element 103, the element 104 that quiets down and (has below specific
It introduces).
In one embodiment, as shown in figure 5, image acquisition element 103, the element 104 that quiets down are generally arranged at the first side
The intermediate region of frame 11, at this point, a first circuit board component 100 is arranged at the middle part of the first frame 11, in first circuit board
The both ends of component 100 are respectively provided with second circuit board component 200, and the second circuit board 201 of two second circuit board components 200 is distinguished
It is electrically connected with the both ends of the first circuit board 101 of the first circuit board component 100 at middle part, to realize first circuit board component 100
Signal transmitting between second circuit board component 200.Specifically, the middle part of the first frame 11 have the first accommodating chamber, first
Circuit board assemblies 100 are placed in the first accommodating chamber, and the both ends of the first frame 11 have the second accommodating chamber, second circuit board component
200 are placed in the second accommodating chamber, and the first accommodating chamber and the second accommodating chamber are interconnected, in this way, in second circuit board 201 and first
When circuit board 101 is installed on the first frame 11, facilitate the connection of second circuit board 201 Yu first circuit board 101；And the two connects
The whole extending direction along the first frame 11 afterwards extends, and further, second circuit board 201 can be with first circuit board 101
Equivalent width, so, it is only necessary to the first frame 11 setting same widths the first accommodating chamber and the second accommodating chamber, Jin Ergeng
Be conducive to the narrow frame setting of the first frame 11.It is, of course, understood that being located at the first circuit board component 100 at middle part
Can be set to two or more and second circuit board component 200 can also be provided only with one, or setting there are two with
On, no matter first circuit board component 100 and second circuit board component are provided with two several, adjacent circuit board assemblies and are electrically connected
It connects, in order to signal transmitting.
Further, second circuit board component 200 can also include the optical signal prosessing being set on second circuit board 201
Unit, optical signal processing unit are electrically connected with the infrared components on second circuit board 201, to red on second circuit board 201
The signal that external component 102 is sent is handled.
Further, the second electricity of the first circuit board 101 of first circuit board component 100 and second circuit board component 200
Road plate 201 is connected, and on the one hand realizes infrared components 102 on two circuit boards, signal processing unit (such as first processing units
105, the second processing unit 106, third processing unit 107) between electrical connection, on the other hand realize two circuit boards it is mechanical even
It connects.For example, the infrared components 102 when being not provided with first processing units 105 on first circuit board 101, on first circuit board 101
It can be electrically connected by second circuit board 201 with optical signal processing unit, thus at using the optical signal on second circuit board 201
Reason unit handles the signal of the infrared components 102 on first circuit board 101；Alternatively, being also possible to second circuit board 201
On be not provided with optical signal processing unit, using the first processing units 105 on first circuit board 101 on second circuit board 201
Infrared components carry out signal processing；It can also be to be provided with light processing unit, while first circuit board on second circuit board 201
It is provided with first processing units 105 on 101, the signal of the infrared components 102 on light processing cell processing second circuit board 201,
First processing units 105 handle the signal of the infrared components 102 on first circuit board 101, and light processing unit and the first processing are single
Member 105 can be realized by first circuit board 101 and second circuit board 201 and is connected with each other, to transmit signal.
First circuit board 101 and second circuit board 201 modes such as can be connected, are bonded by grafting, fastener and be connected to
Together, it assembles for convenience, it is preferable that the end of second circuit board 201 and the end plug connection of first circuit board 101, example
Such as, it is provided with attachment base in the end of the end of first circuit board 101 and second circuit board 201, is realized by attachment base
First circuit board 101 and second circuit board 201 be electrically connected and the connection of mechanical structure.
Further, the first frame 11 includes positioning link 12, is used for first circuit board component 100 in the first frame
Installation site on 11 is positioned, so, it is possible on first circuit board component 100 image acquisition element 103, quiet down member
Part 104 carries out more accurately positioning, and then improves the stability and reliability of 100 performance of first circuit board component.Positioning knot
Structure for example can be the structures such as locating slot, the positioning protrusion being arranged on the first frame 11, assemble for convenience and few as far as possible
Change border structure.
Specifically, the first frame 11 further includes preceding frame portion 111 and rear frame portion 112, wherein the first accommodating chamber is formed in front frame
The middle part of the above-mentioned extending direction in portion 111, frame portion 111 is along the both ends of above-mentioned extending direction, the first electricity before the second accommodating chamber is formed in
Road board group part 100 connect to form mounting assembly with positioning link 12, before mounting assembly is installed on again in frame portion 111.For example,
First mounting hole 109 is set on the first circuit board 101 of first circuit board component 100, is correspondingly arranged on positioning link 12
Two mounting holes 1221 realize by fastener, the first mounting hole 109 and the second mounting hole 1221 as shown in Fig. 9, Figure 13
One circuit board assemblies 100 are fixedly connected with positioning link 12 and (have specific introduction below).
As shown in fig. 6, preceding frame portion 111 includes the top plate 1111 and foreboard 1112 being connected, further include and top plate 1111
Bottom surface connected (can be to be detachably connected, can also be structure as a whole with top plate 1111) is in elongated interconnecting piece 1113, even
Socket part 1113 and foreboard 1112 are all set in the bottom surface side of top plate 1111；Top plate 1111, foreboard 1112 and interconnecting piece 1113 it
Between form the first accommodating chamber and the second accommodating chamber, first circuit board component 100 and second circuit board component 200 are located at foreboard 1112
Between interconnecting piece 1113.The back side (one side for deviating from foreboard 1112) of preceding frame portion 111 is provided with mounting groove 1119, installs
The opening of slot 1119 is arranged backwards towards the back side of preceding frame portion 111, the first accommodating chamber is connected to mounting groove 1119, also
It is to say, mounting groove 1119 can be formed from the back side of preceding frame portion 111 to the recess of foreboard 1112, and perforation is to the first accommodating chamber, such as
This, positioning link 12 is placed in mounting groove 1119, and first circuit board component 100 is placed in the first accommodating chamber, specifically, elongated
Interconnecting piece 1113 middle part be arranged notch, the notch i.e. form the mounting groove 1119, as shown in Figure 7.Foreboard 1112 with
It is provided with through-hole at the image acquisition element 103 of first circuit board component 100, the corresponding position of element 104 that quiets down, for each
Element exposes, and convenient for Image Acquisition and quiets down.With continued reference to Fig. 7, the position of the close first circuit board component 100 of interconnecting piece 1113
The place of setting is provided with the 4th mounting hole 1114, and third mounting hole 1212 is provided on positioning link 12, as shown in figure 9, by tight
Firmware, third mounting hole 1212 and the 4th mounting hole 1114 realization positioning link 12 are fixedly connected with preceding frame portion 111, when
So, preceding frame portion 111 can also be connect with positioning link 12 by other connection structures, such as buckle structure etc..
In order to improve the positioning accuracy of first circuit board component 100, mounting groove 1119 is along the length side of first circuit board 101
To (i.e. above-mentioned extending direction) both ends side wall (two side walls i.e. opposite along above-mentioned extending direction) respectively with positioning link
12 cooperations, to realize mounting assembly and limit of first frame 11 on above-mentioned extending direction.
Further, as shown in figure 9, positioning link 12 includes the first connecting portion for cooperating with mounting groove 1119
121 and the second connecting portion 122 formed is protruded by the leading flank of first connecting portion 121, first connecting portion 121 is used for and front frame
Portion 111 is fixedly connected, and second connecting portion 122 with first circuit board component 100 for being fixedly connected, with reference to Fig. 9, Figure 13, second
Interconnecting piece 122 and first circuit board 101 are against to be supported first circuit board component 100.In a kind of embodiment, first
Interconnecting piece 121 is respectively arranged with lug 1211 along the both ends of the length direction of first circuit board 101, and lug 1211 is along above-mentioned length
Direction is to the external protrusion of first connecting portion 121, and third mounting hole 1212 is arranged on lug 1211, correspondingly, such as Fig. 7 institute
Show, the back side of preceding frame portion 111 position corresponding with lug 1211 is provided with recess portion 115, and the 4th mounting hole 1114 is arranged in recess portion
At 115, in this way, lug 1211 and the inner bottom surface of recess portion 115 lean, to realize the limit to mounting assembly in the longitudinal direction
Position, so that the too pursuit of advanced studies for avoiding mounting assembly from being inserted into mounting groove 1119 is sent out at first circuit board component 100 and foreboard 1112
Raw contact even squeezes, and then improves the yield rate of infrared touch display screen；In addition, so set, after completing assembly, moreover it is possible to
Make the back side of positioning link 12 and the back side flush of preceding frame portion 111, enough in order to for example rear frame portion 112 of subsequent and other component
Installation.
Preferably, as shown in figure 9, second connecting portion 122 be in the form of a column and be spaced apart from each other along above-mentioned extending direction be provided with it is more
It is a, second mounting hole 1221 is respectively provided in each columnar second connecting portion 122, as shown in Figure 12 and Figure 13, second connects
The end face of socket part 122 leans with first circuit board 101, so, it is possible to avoid positioning link 12 and first circuit board component
The interference of component on 100 improves the connection reliability of positioning link 12 and first circuit board component 100.
In order to facilitate the installation of second circuit board component 200, it is preferable that formed and the first accommodating chamber in preceding frame portion 111
Second accommodating chamber of connection, the second accommodating chamber have insert port for installing second circuit board component 200, the second accommodating chamber
1116, second circuit board component 200 by insert port 1116 be inserted into the second accommodating chamber in, and with the first circuit in mounting groove 1119
Board group part 100 forms plug connection.In one embodiment, as shown in fig. 6, one opposite with foreboard 1112 of interconnecting piece 1113
The groove 1115 being open towards foreboard 1112 is provided on face, which can be logical to penetrate through along above-mentioned extending direction
Slot, in this way, the middle part of through slot forms the first accommodating chamber, both ends form the second accommodating chamber, and one end far from mounting groove 1119
Opening forms insert port 1116.
It is further preferred that positioning guiding structure is additionally provided in the second accommodating chamber, for second circuit board component
200 installation is positioned and is oriented to, for example, as shown in fig. 6, positioning guiding structure is to be arranged on the side wall of groove 1115
Positioning and guiding slot 1117, positioning and guiding slot 1117 are preferably provided on the top and bottom sidewall of groove 1115, as shown in Figure 10 and Figure 11,
The second circuit board 201 of second circuit board component 200 is inserted into positioning and guiding slot 1117, and sliding along positioning and guiding slot 1117
It is dynamic, so that second circuit board component 200 is positioned, so that second circuit board component 200 is smoothly inserted into the second accommodating chamber, and with
First circuit board component 100 connects.
In order to enable second circuit board component 200 be inserted into the second accommodating chamber in after, can accurately with first circuit board group
Part 100 connects, and needs to position first circuit board component 100 well, therefore, be provided in preceding frame portion 111 to peace
The location structure that arrangement is positioned.Preferably, the opposite two side walls of the first accommodating chamber respectively with first circuit board group
Part 100 matches, and is limited with a direction to mounting assembly, and the direction was both hung down with the extending direction of the first frame 11
Directly, and it is vertical with front-rear direction, for example, the direction is up and down direction when the first frame 11 is top margin (i.e. the top) of frame,
Two side walls described herein refer to the first accommodating chamber two side walls face opposite along the vertical direction, and each side wall surface is prolonged along above-mentioned
Direction extension is stretched, as described above, the both ends side wall of mounting groove 1119 cooperates with positioning link 12 respectively, to installation
Component is limited in extending direction, for example, when the first frame 11 is the top margin of frame, to the left and right directions of mounting assembly into
Row limit.Specifically, which can be above-mentioned positioning and guiding slot 1117, i.e., positioning and guiding slot 1117 is along above-mentioned extension side
To perforation, at this point, the back side of mounting groove 1119 from preceding frame portion 111 is penetrated through to positioning and guiding slot 1117, lug 1211 and recess portion 115
Inner bottom surface lean, so that first circuit board component 100 is positioned at part of the positioning and guiding slot 1117 at mounting groove 1119, from
And the front-rear direction of mounting assembly is limited.In addition, due to the perforation of mounting groove 1119 to positioning and guiding slot 1117, that is,
It says, the groove bottom wall of two positioning and guiding slots 1117 is matched with the top and bottom of first circuit board component 100 respectively, to peace
The up and down direction of arrangement is limited, to realize that the front and back of first circuit board component 100, upper and lower, left and right position.
As shown in fig. 6, the bottom surface of interconnecting piece 1113 has been downwardly extending chimb 113, the first card is provided on chimb 113
Slot 1131, the lower end of foreboard 1112 are provided with the second card slot 1110, the optical filtering part 114 for filtering to infrared components 102
It is fastened between the first card slot 1131 and the second card slot 1110, i.e., infrared touch display screen further includes optical filtering part 114, optical filtering part
114 are fastened between the first card slot 1131 and the second card slot 1110.First card slot 1131 and the respective notch of the second card slot 1110
Direction can be obliquely installed relative to vertical direction, and specific tilt angle, which can according to need, to be configured.Specifically, chimb
113 can be set the one side edge in interconnecting piece 1113 close to foreboard 1112.
Preceding frame portion 111 and the connection type of rear frame portion 112 such as can connect at the modes for example for clamping, bonding, fastener, be
Improve the bonding strength of preceding frame portion 111 and rear frame portion 112, it is preferable that preceding frame portion 111 and rear frame portion 112 by clamping with tightly
The mode that firmware connection combines links together.In one embodiment, as shown in figure 8, rear frame portion 112 is in including cross section
The plate structure 1121 of L shape and the clamping structure 1122 being set on front side of the plate structure 1121 of the L shape, clamping structure
1122 top is provided with card base 1123, and clamping structure 1122 is connected to a line of the plate structure 1121 of L shape；Accordingly
Ground, as shown in fig. 6, the bottom surface of interconnecting piece 1113 is provided with card slot 1118, card base 1123 fastens with card slot 1118, such as Figure 11 institute
Show, the bottom surface of the plate being transversely arranged and interconnecting piece 1113 in the plate structure 1121 of L shape fits, the plate of L shape
The plate being vertically arranged in structure 1121 is bonded with the back side of interconnecting piece 1113, and fixed by fastener and interconnecting piece 1113
Connection, using the plate structure 1121 of this L shape, rear frame portion 112 can be positioned simultaneously in front-rear direction and up and down direction,
And since the length of preceding frame portion 111 and rear frame portion 112 is all bigger, after such setting, additionally it is possible to which the bending for extenuating the two becomes
Shape.It should be noted that card base 1123 can be extended along above-mentioned extending direction, in this embodiment, if positioning link
The cross section of 12 first connecting portion 121 is consistent with the cross section of preceding 111 corresponding position of frame portion, then on positioning link 12
It is provided with above-mentioned card slot 1118, i.e. card slot 1118 penetrates through preceding frame portion 111 and positioning link 12.Wherein, cross section is perpendicular to upper
State extending direction.
It is further preferred that in the assembled condition, the plate being vertically arranged in the plate structure 1121 of L shape is also and fixed
The back side patch merga pass fastener of the interconnecting piece 122 of position connector 12 is fixedly connected with interconnecting piece 122, as shown in figure 13, from
And further increase the whole structural reliability of the first frame 11.
In order to facilitate processing, it is preferable that as shown in Figure 14 to 16, preceding frame portion 111 is made of profile, the middle part of profile from its
The back side remove forward some materials formed mounting groove 1119, further, in profile be provided with extend along direction it is perforative on
Through slot is stated, which is groove 1115 above-mentioned, in top and bottom (the i.e. opposite two side walls along the vertical direction of through slot
Face) positioning and guiding slot 1117 is set, mounting groove 1119 is penetrated through from the back side of profile to positioning and guiding slot 1117.Wherein, first connects
Socket part 121 is identical as the shape of the material removed on profile, in order to preceding frame portion 111 and mounting assembly after the assembly is completed with
The installation of frame portion 112 afterwards.
In the embodiment shown in Fig. 5 and Figure 11, the first frame 11 and first circuit board component 100, second circuit board group
The assembling process of part 200 is first to be fixedly connected with positioning link 12 with first circuit board component 100, forms mounting assembly,
Then mounting assembly is fixedly connected with preceding frame portion 111, so that first circuit board component 100 is located in mounting groove 1119, by two
A second circuit board component 200 respectively from the insert port 1116 at preceding 111 both ends of frame portion be inserted into, and with first circuit board component 100
Connection is formed, rear frame portion 112 is clamped with preceding frame portion 111 finally and is fixedly connected by fastener, to complete entire assembly
Process.
In addition, frame 300 can also include the second frame 21 and third frame 31 being connected respectively with the first frame 11, the
Two frames 21 and third frame 31 are separately installed with tertiary circuit plate (not shown), are provided at least one on tertiary circuit plate
A image acquisition element 103, such as when frame 11 is the top of frame 300, the second frame 21 and third frame 31 are respectively
The left side and the right of frame 300.Preferably, there are two image acquisition element 103, the second frames for setting at the first frame 11 at this time
21 and third frame 31 be respectively arranged with an image acquisition element, in this way, the entire infrared touch display screen of further expansion
Field range.Wherein, infrared components 102 also can be set on tertiary circuit plate and/or the element 104 that quiets down, the second frame
21 and third frame 31 can with the first frame 11 use identical structure, be opened in the corresponding position with image acquisition element 103
If through-hole.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the basic of the application
In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made
It changes, is all included within the scope of claims hereof.
Claims (17)
1. a kind of infrared touch display screen, the frame including display screen peripheral is arranged in, the frame include the first frame and peace
Loaded on the first circuit board component on first frame, the first circuit board component includes first circuit board and is set to institute
State multiple infrared components on first circuit board, which is characterized in that further include at least one be set on the first circuit board
A image acquisition element and at least one element that quiets down, it is described infrared that each described image acquisition elements are arranged in adjacent two
Between element, each element that quiets down is arranged between two adjacent infrared components, and two of arbitrary neighborhood
The element that quiets down described in one described image acquisition elements or one is at most set between the infrared components.
2. infrared touch display screen according to claim 1, which is characterized in that the first circuit board component further include:
For handling the first processing units of infrared signal, the first processing units are electrically connected with the infrared components；For handling
The second processing unit of picture signal, for handling the third processing unit of voice signal, described the second processing unit and third
Processing unit is electrically connected with described image acquisition elements and the element that quiets down respectively.
3. infrared touch display screen according to claim 1, which is characterized in that described image acquisition elements are provided with one
Or two, described image acquisition elements are short focus camera.
4. infrared touch display screen according to claim 3, which is characterized in that the frame further includes respectively with described
One frame connected the second frame and third frame, second frame and the third frame are separately installed with tertiary circuit
Plate is provided at least one described image acquisition elements on the tertiary circuit plate.
5. infrared touch display screen according to claim 3, which is characterized in that described image acquisition elements are provided with two
It is a, the element that quiets down is set described at least one between two short focus cameras.
6. infrared touch display screen according to claim 1-5, which is characterized in that the infrared touch display screen
It further include second circuit board component, the second circuit board component includes second circuit board and is set to the second circuit board
On multiple infrared components, not set described image acquisition elements and the element that quiets down on the second circuit board, described
One circuit board is electrically connected with the second circuit board.
7. infrared touch display screen according to claim 6, which is characterized in that the middle part of first frame has first
Accommodating chamber, the both ends of first frame have the second accommodating chamber, and the first circuit board component is placed in described first and accommodates
Chamber, the second circuit board component are placed in second accommodating chamber.
8. infrared touch display screen according to claim 7, which is characterized in that first frame includes preceding frame portion and determines
Position connector, first accommodating chamber are formed in the middle part of the preceding frame portion, and second accommodating chamber is formed in the preceding frame portion
Both ends, the first circuit board component connect to form mounting assembly with the positioning link, and the mounting assembly is installed on
The preceding frame portion.
9. infrared touch display screen according to claim 8, which is characterized in that the back side of the preceding frame portion is provided with installation
Slot, towards the back side of the preceding frame portion, the positioning link is placed in the mounting groove for the opening of the mounting groove；It is described
First accommodating chamber is connected to the mounting groove, is accommodated so that the mounting assembly is placed in the mounting groove and described first
Chamber.
10. infrared touch display screen according to claim 9, which is characterized in that opposite two of first accommodating chamber
Side wall surface is matched with the first circuit board component respectively.
11. infrared touch display screen according to claim 9, which is characterized in that the first circuit board is strip structure,
The mounting groove cooperates with the positioning link respectively along the both ends side wall of the length direction of the first circuit board.
12. infrared touch display screen according to claim 9, which is characterized in that be provided on the first circuit board
One mounting hole is provided with the second mounting hole corresponding with first mounting hole on the positioning link.
13. infrared touch display screen according to claim 12, which is characterized in that the positioning link include with it is described
The first connecting portion of mounting groove cooperation, further includes that the second connecting portion formed, institute are protruded by the leading flank of the first connecting portion
It states second connecting portion to lean with the first circuit board, second mounting hole is set to the second connecting portion.
14. infrared touch display screen according to claim 8, which is characterized in that be provided on the positioning link
Three mounting holes are provided with the 4th mounting hole corresponding with the third mounting hole in the preceding frame portion.
15. infrared touch display screen according to claim 14, which is characterized in that the both ends of the positioning link are arranged
There is lug, the back side of the preceding frame portion and the lug corresponding position are provided with recess portion, and the third mounting hole is arranged described
On lug, the 4th mounting hole is arranged at the recess portion, and the inner bottom surface of the lug and the recess portion leans.
16. the infrared touch display screen according to one of claim 9 to 13, which is characterized in that the preceding frame portion is by profile
It constitutes, the middle part of the profile removes forward some materials from its back side and forms the mounting groove.
17. infrared touch display screen according to claim 16, which is characterized in that be provided with and extend along in the profile
The perforative through slot in direction, the through slot form first accommodating chamber and second accommodating chamber, the top surface and bottom of the through slot
Face is provided with the positioning and guiding slot with second circuit board cooperation, and the back side of the mounting groove from the profile is penetrated through to institute
State positioning and guiding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260336.4A CN110377188A (en) | 2019-04-02 | 2019-04-02 | Infrared touch display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260336.4A CN110377188A (en) | 2019-04-02 | 2019-04-02 | Infrared touch display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110377188A true CN110377188A (en) | 2019-10-25 |
Family
ID=68248618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910260336.4A Pending CN110377188A (en) | 2019-04-02 | 2019-04-02 | Infrared touch display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110377188A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220035468A1 (en) * | 2020-07-29 | 2022-02-03 | Shenzhen Ktc Commercial Display Technology Co., Ltd. | Infrared touch screen bezel for installing functional assembly and display terminal comprising the same |
-
2019
- 2019-04-02 CN CN201910260336.4A patent/CN110377188A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220035468A1 (en) * | 2020-07-29 | 2022-02-03 | Shenzhen Ktc Commercial Display Technology Co., Ltd. | Infrared touch screen bezel for installing functional assembly and display terminal comprising the same |
| US11675461B2 (en) * | 2020-07-29 | 2023-06-13 | Shenzhen Ktc Commercial Display Technology Co., Ltd. | Infrared touch screen bezel for installing functional assembly and display terminal comprising the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3349430B1 (en) | Camera module and mobile terminal | |
| US20200266562A1 (en) | Stack structure of printed circuit boards using interposer and electronic device including the same | |
| GB2461795A (en) | Lens unit frame comprising two printed circuit board openings | |
| US20190311180A1 (en) | Face sensing module and computing device using same | |
| CN110377188A (en) | Infrared touch display screen | |
| EP3681135A1 (en) | Electronic device including display assembly | |
| CN101452182B (en) | Reduced-component flash assembly for a digital image capturing apparatus, and a digital image capturing apparatus including the same | |
| JP4117680B2 (en) | CAMERA MODULE DEVICE PRODUCTION METHOD AND SHIELD CASE COMPOSITION CASE USED FOR THE METHOD | |
| CN108495015B (en) | Shooting device and electronic equipment | |
| CN108462822B (en) | Light sensing component and electronic equipment | |
| CN101452102B (en) | Reduced-component digital image capturing apparatus and assembly method thereof | |
| WO2019228479A1 (en) | Image capture device and electronic apparatus | |
| CN209842588U (en) | Infrared touch display screen | |
| EP4134739A1 (en) | Electronic device, and accessory | |
| US20090147128A1 (en) | Digital photographing apparatus | |
| CN210168288U (en) | Circuit board module | |
| CN220368750U (en) | Image acquisition structure and intelligent pen | |
| CN202916819U (en) | Infrared touch screen | |
| CN216561603U (en) | Display device | |
| WO2022141604A1 (en) | Optical fingerprint detection apparatus and electronic device | |
| CN215378974U (en) | Double-camera module and mobile terminal | |
| CN210694195U (en) | Integrated 3D imaging device and electronic equipment | |
| CN216053104U (en) | Portable electronic device | |
| CN210573136U (en) | Multifunctional back of camera | |
| CN214756623U (en) | Image splicing processor of plug-in multi-input interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |