CN203386191U - Infrared touch screen and circuit board connecting device - Google Patents
Infrared touch screen and circuit board connecting device Download PDFInfo
- Publication number
- CN203386191U CN203386191U CN201320445990.0U CN201320445990U CN203386191U CN 203386191 U CN203386191 U CN 203386191U CN 201320445990 U CN201320445990 U CN 201320445990U CN 203386191 U CN203386191 U CN 203386191U
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- CN
- China
- Prior art keywords
- circuit board
- protuberance
- infrared touch
- connecting device
- pcb
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- 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.)
- Expired - Lifetime
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Abstract
An infrared touch screen comprises at least two frames, wherein each frame at least comprises a PCB (Printed Circuit Board); every two adjacent PCBs are connected through a contact pin socket; one of the PCBs at the corner joint of every two adjacent frames is provided with a convex part, and the other is provided with a concave part matched with the convex part. A circuit board connecting device comprises at least two circuit boards, wherein every two circuit boards are connected through a contact pin socket; one of the circuit boards at the joint of every two adjacent circuit boards is provided with a convex part, and the other is provided with a concave part matched with the convex part. According to the infrared touch screen and the circuit board connecting device, the contact pin sockets are arranged on the PCBs at the joints, and cooperate with the convex parts and the corresponding concave parts to improve the success rate of butting of the PCBs and greatly facilitate the use of users.
Description
Technical field
The utility model relates to a kind of coupling arrangement, particularly relates to a kind of infrared touch panel and circuit board connecting device.
Background technology
Infrared touch panel is comprised of the four edges frame, wherein on two groups of opposite side frames, distinguishes installation infrared power valve and infrared receiving tube, obtains the position coordinates of touch point by the break-make of the infrared tube light path on two groups of opposite side.
Each frame of infrared touch panel is comprised of some circuit boards, between the adjacent circuit plate, by common contact pin socket, connect, but when the contact pin socket of contact pin socket especially corner junction connects when not in place, whole device will bad connection, and impact is used.
The utility model content
Based on this, be necessary for the problems referred to above, a kind of infrared touch panel and circuit board connecting device are provided.
A kind of infrared touch panel, comprise at least two frames, each described frame at least contains a PCB, and adjacent described PCB connects by the contact pin socket, wherein a PCB of adjacent described frame corner junction is provided with protuberance, and another PCB is provided with the recess be complementary with described protuberance.
Above-mentioned infrared touch panel, one PCB of adjacent described frame corner junction is provided with protuberance, another PCB is provided with the recess be complementary with described protuberance, in the process connected at the contact pin socket, the docking if described protuberance and described recess can not coincide effectively, contact pin socket bad connection is described, the guiding user operates again, has guaranteed the validity of infrared touch panel.
A kind of circuit board connecting device, comprise at least two circuit boards, and adjacent described circuit board connects by the contact pin socket, and wherein a circuit board of adjacent described circuit board junction is provided with protuberance, and another circuit board is provided with the recess be complementary with described protuberance.
The foregoing circuit board connecting equipment, one circuit board of adjacent described circuit board junction is provided with protuberance, another circuit board is provided with the recess be complementary with described protuberance, in the process connected at the contact pin socket, the docking if described protuberance and described recess can not coincide effectively, contact pin socket bad connection is described, the guiding user operates again, has guaranteed the validity that circuit board connects.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model infrared touch panel embodiment;
The structural representation that Fig. 2 is the utility model circuit board protuberance and recess embodiment;
Fig. 3 is the front schematic view that the utility model circuit board connects embodiment;
Fig. 4 is the schematic rear view that the utility model circuit board connects embodiment;
The structural representation that Fig. 5 is the utility model housing and corner connecting device embodiment.
Embodiment
Embodiment below in conjunction with accompanying drawing to the utility model infrared touch panel and circuit board connecting device is described in detail.
As shown in Figure 1 and Figure 2, consult in the lump Fig. 3 or Fig. 4, a kind of infrared touch panel, comprise at least two frames 1, each described frame 1 at least contains a PCB(printed circuit board (PCB)) 11, adjacent described PCB11 connects by contact pin socket 4, and wherein a PCB11 of adjacent described frame 1 corner junction is provided with protuberance, and another PCB11 is provided with the recess be complementary with described protuberance.
In a specific embodiment, the xsect of described protuberance or described recess can be zigzag or circular-arc or triangular shape or rectangle or trapezoidal etc., and as shown in Figure 2, the xsect of the utility model embodiment protuberance or recess is zigzag.
In a specific embodiment, described protuberance or described recess are at least one, and the quantity of described protuberance or described recess can be determined according to the size of protuberance or recess and the width of PCB11 corner junction.
In a specific embodiment, as shown in Figure 1, in the lump with reference to figure 5, infrared touch panel corner junction can comprise corner lid 2, and described corner lid 2 comprises bottom 21 and upper cover 22, and upper cover 22 is provided with screw, and screw is by described screw fixed bottom cover 21 and upper cover 22.
In a specific embodiment, as shown in Figure 1, infrared touch panel at least comprises a USB(USB (universal serial bus)) line 3, described USB line 3 is drawn from the infrared touch panel corner, for being connected and communication of external unit.
In a specific embodiment, infrared touch panel corner junction can be enclosed construction, and infrared touch panel is connected and communication with external unit by wireless network.
In a specific embodiment, as shown in Figure 5, described frame 1 can also comprise housing 12, and each described housing 12 peripheries, above corresponding described PCB11, below the LED lamp back side and PCB11 of PCB11, form protection to described PCB11.
In a specific embodiment, as shown in Figure 5, the described housing 12 corner junctions above described PCB11 at least are provided with a screw 121, and the described screw 121 of the present embodiment is 3.
In a specific embodiment, as shown in Figure 5, described frame 1 can also comprise corner connecting device 13, described corner connecting device 13 is provided with and the described housing 12 corresponding screws 131 in corner junction, described corner connecting device 13 is connected with described housing 12 by described screw 131, described corner connecting device 13 and base, in the upper and lower of contact pin socket 4, are stuck in it wherein, have guaranteed the validity connected.In the present embodiment, corner connecting device is the L-type corner.
In a specific embodiment, as shown in Figure 5, there is optical filtering bar 14 the LED lamp front of PCB11, and described optical filtering bar 14 surround lighting is to external world filtered, and reduces the interference of ambient light to the LED lamp wiring.
Above-mentioned infrared touch panel, one PCB11 of adjacent described frame 1 corner junction is provided with protuberance, another PCB11 is provided with the recess be complementary with described protuberance, in the process connected at contact pin socket 4, the docking if described protuberance and described recess can not coincide effectively, illustrate contact pin socket 4 bad connections, and the guiding user operates again, solved because maloperation or ignorant operate the adverse consequences of bringing, guaranteed the validity of infrared touch panel.
Based on above-mentioned infrared touch panel, this practicality newly also provides a kind of circuit board connecting device.
As shown in Figure 3, a kind of circuit board connecting device, comprise at least two circuit boards 11, and adjacent described circuit board 11 connects by contact pin socket 4, wherein a circuit board 11 of adjacent described circuit board 11 junctions is provided with protuberance, and another circuit board 11 is provided with the recess be complementary with described protuberance.
In a specific embodiment, the xsect of described protuberance or described recess can be zigzag or circular-arc or triangular shape or rectangle or trapezoidal etc., and as shown in Figure 3, the xsect of the utility model embodiment protuberance or recess is zigzag.
In a specific embodiment, described protuberance or described recess are at least one, and the quantity of described protuberance or described recess can be determined according to the size of protuberance or recess and the width of PCB11 corner junction.
The foregoing circuit board connecting equipment, one circuit board 11 of adjacent described circuit board 11 junctions is provided with protuberance, another circuit board 11 is provided with the recess be complementary with described protuberance, in the process connected at contact pin socket 4, the docking if described protuberance and described recess can not coincide effectively, illustrate contact pin socket 4 bad connections, and the guiding user operates again, solved because the adverse consequences that maloperation or ignorant operation bring has guaranteed the validity that circuit board connects.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. an infrared touch panel, comprise at least two frames, and each described frame at least contains a PCB, adjacent described PCB connects by the contact pin socket, it is characterized in that, a PCB of adjacent described frame corner junction is provided with protuberance, and another PCB is provided with the recess be complementary with described protuberance.
2. infrared touch panel according to claim 1, is characterized in that, the xsect of described protuberance or described recess is zigzag or circular-arc or triangular shape or rectangle or trapezoidal.
3. infrared touch panel according to claim 1, is characterized in that, described protuberance or described recess are at least one.
4. infrared touch panel according to claim 1, is characterized in that, described frame also comprises housing, and each described housing periphery is above corresponding described PCB, below the LED lamp back side and PCB of PCB.
5. infrared touch panel according to claim 4, is characterized in that, the described housing corner junction above described PCB at least is provided with a screw.
6. infrared touch panel according to claim 5, it is characterized in that, described frame also comprises corner connecting device, and described corner connecting device is provided with and the corresponding screw in described housing corner junction, and described corner connecting device is connected with described housing by described screw.
7. a circuit board connecting device, comprise at least two circuit boards, adjacent described circuit board connects by the contact pin socket, it is characterized in that, one circuit board of adjacent described circuit board junction is provided with protuberance, and another circuit board is provided with the recess be complementary with described protuberance.
8. circuit board connecting device according to claim 7, is characterized in that, the xsect of described protuberance or described recess is zigzag or circular-arc or triangular shape or rectangle or trapezoidal.
9. circuit board connecting device according to claim 7, is characterized in that, described protuberance or described recess are at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445990.0U CN203386191U (en) | 2013-07-24 | 2013-07-24 | Infrared touch screen and circuit board connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445990.0U CN203386191U (en) | 2013-07-24 | 2013-07-24 | Infrared touch screen and circuit board connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386191U true CN203386191U (en) | 2014-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320445990.0U Expired - Lifetime CN203386191U (en) | 2013-07-24 | 2013-07-24 | Infrared touch screen and circuit board connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203386191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103793111A (en) * | 2014-02-25 | 2014-05-14 | 北京东方中原教育科技有限公司 | Front-maintenance type infrared electronic whiteboard |
-
2013
- 2013-07-24 CN CN201320445990.0U patent/CN203386191U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103793111A (en) * | 2014-02-25 | 2014-05-14 | 北京东方中原教育科技有限公司 | Front-maintenance type infrared electronic whiteboard |
| CN103793111B (en) * | 2014-02-25 | 2017-01-18 | 北京东方中原教育科技有限公司 | Front-maintenance type infrared electronic whiteboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: GUANGZHOU CHUANGZHI TECHNOLOGY Co.,Ltd. Document name: Notification that Application Deemed not to be Proposed |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: GUANGZHOU CHUANGZHI TECHNOLOGY Co.,Ltd. Document name: Notice of suspension of procedure request for approval |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Yuxiang Document name: Notification of Termination of Procedure |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |