CN204009833U - There is the electronic whiteboard of radiator structure - Google Patents
There is the electronic whiteboard of radiator structure Download PDFInfo
- Publication number
- CN204009833U CN204009833U CN201420326734.4U CN201420326734U CN204009833U CN 204009833 U CN204009833 U CN 204009833U CN 201420326734 U CN201420326734 U CN 201420326734U CN 204009833 U CN204009833 U CN 204009833U
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- CN
- China
- Prior art keywords
- cooling tube
- optical sensor
- sensor equipment
- display surface
- screen assembly
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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.)
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Abstract
The utility model discloses a kind of electronic whiteboard with radiator structure, comprise display device, optical sensor equipment, light source and cooling tube; Described display device comprises screen assembly, and described screen assembly comprises the display surface of rectangle and is positioned at the sensing space of display surface front portion; Described optical sensor equipment is two and is arranged at respectively the two ends of a horizontal sides of described display surface and all towards described display surface; Described light source comprises luminescence component, and described luminescence component is two and arranges in the same way with described optical sensor equipment co-located; Described cooling tube lower end is positioned at described screen assembly bottom, described cooling tube upper end is positioned at described screen assembly top, described optical sensor equipment and described luminescence component are arranged in described cooling tube, and described cooling tube is except the opening of described top and bottom, and remainder is airtight.The electronic whiteboard with radiator structure described in the utility model is passive cooling structure and good cooling results.
Description
Technical field
The utility model relates to a kind of electronic whiteboard with radiator structure, belongs to smart electronics product technical field.
Background technology
Electronic whiteboard is mainly used in teaching and business meetings, and its principle is to utilize projector equipment as display device on the basis of PC agent structure, operates by touch-control.The touch controllable function of electronic whiteboard is mainly realized by optical touch control technology at present, its principle is mainly, by the two ends on a certain the limit at electronic whiteboard, two optical sensor equipment are set respectively, the common upper left corner at electronic whiteboard and the upper right corner respectively arrange an optical sensor equipment, the optical sensor equipment that is positioned at the electronic whiteboard upper left corner can sense touch control operation object (user's finger or pointer) and the line of itself and the angle a of vertical direction or horizontal direction, be positioned at the optical sensor equipment in the electronic whiteboard upper right corner equally to sense the angle b of touch control operation object and the line of itself and vertical direction or horizontal direction, system can be obtained the positional information of touch control operation object by gathering the value of angle a and angle b, thereby realize the correct input of instruction.As everyone knows, no matter the optical sensor equipment being applied in electronic whiteboard is CCD camera or CMOS camera, in the time processing fast-changing image, easily produce overheated phenomenon because curent change is too frequent, therefore carrying out cooling operations for optical sensor equipment is necessary, and main two kinds of the passive cooling and active coolings that adopt in prior art: active cooling sets up the refrigeratory of energising work, and complex structure, energy consumption are high; The passive cooling conducting-heat elements that arranges adopts nature cooling, and effect is undesirable, be of limited application.
Utility model content
The deficiency that the utility model exists for prior art just, provides a kind of electronic whiteboard with radiator structure, is passive cooling structure and good cooling results.
For addressing the above problem, technical solution adopted in the utility model is as follows:
An electronic whiteboard with radiator structure, comprising:
Display device, optical sensor equipment, light source and cooling tube; Described display device comprises screen assembly, and described screen assembly comprises the display surface of rectangle and is positioned at the sensing space of display surface front portion; Described optical sensor equipment is two and is arranged at respectively the two ends of a horizontal sides of described display surface and all towards described display surface; Described light source comprises luminescence component, and described luminescence component is two and arranges in the same way with described optical sensor equipment co-located;
Described cooling tube lower end is positioned at described screen assembly bottom, described cooling tube upper end is positioned at described screen assembly top, described optical sensor equipment and described luminescence component are arranged in described cooling tube, and described cooling tube is except the opening of described top and bottom, and remainder is airtight.
As the improvement of technique scheme, also comprise driving arrangement, described driving arrangement is provided with cooling package, and the outer wall of described cooling tube contacts with described cooling package for carrying out heat conduction.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
The electronic whiteboard with radiator structure described in the utility model, described optical sensor equipment and described luminescence component all can generate heat in the course of the work, air in cooling tube is heated and can rises, thereby make the lower end of cooling tube produce negative pressure, the final air-flow forming from bottom to top, air-flow can carry out cooling to described optical sensor equipment constantly; Further, by the outer wall of described cooling tube being contacted with described cooling package for carrying out heat conduction, further improved the flow velocity of air-flow, and be conducive to improve the serviceability of driving arrangement; The above-mentioned type of cooling is passive cooling structure, but approaches the effect of active cooling.
Brief description of the drawings
Fig. 1 is the electronic whiteboard structural representation with radiator structure described in the utility model.
Embodiment
Content of the present utility model is described below in conjunction with specific embodiments.
As shown in Figure 1, be the electronic whiteboard structural representation with radiator structure described in the utility model.The electronic whiteboard with radiator structure described in the utility model, comprising: display device, optical sensor equipment 2, light source and cooling tube 4; Described display device comprises screen assembly 11, and described screen assembly 11 comprises the display surface of rectangle and is positioned at the sensing space of display surface front portion; Described optical sensor equipment 2 is two and is arranged at respectively the two ends of a horizontal sides of described display surface and all towards described display surface; Described light source comprises luminescence component 31, and described luminescence component 31 is two and arranges in the same way with described optical sensor equipment 2 co-located; Described cooling tube 4 lower ends 41 are positioned at described screen assembly 11 bottoms, described cooling tube 4 upper ends 42 are positioned at described screen assembly 11 tops, described optical sensor equipment 2 and described luminescence component 31 are arranged in described cooling tube 4, and described cooling tube 4 is except described upper end 42 and lower end 41 openings, and remainder is airtight.Particularly, described light source can also comprise reflecting assembly 32, described reflecting assembly 32 be three and be arranged at respectively two vertical edges of described display surface and horizontal sides that one does not arrange described optical sensor equipment 2 on, the light that the reflective surface of described reflecting assembly 32 all sends in order to reflect described luminescence component 31 towards the inner side of described display surface.
Further, also comprise driving arrangement, described driving arrangement is provided with cooling package 51, and the outer wall of described cooling tube 4 contacts with described cooling package 51 for carrying out heat conduction.
The electronic whiteboard same as the prior artly, with radiator structure can also comprise particularly: driving arrangement, power-supply unit, loudspeaker apparatus.Described driving arrangement comprises the processor (particularly as MST801 chip) and the LCD TV decoding chip that move Android system; Described processor comprises HDMI signal output part, UART interface, the USB interface of output HDMI signal; Described LCD TV decoding chip comprises UART interface, receives HDMI interface, audio signal output end and the Low Voltage Differential Signal output terminal of the HDMI signal of described processor output; Described processor is connected by UART interface communication separately with LCD TV decoding chip; Display device is electrically connected with the USB interface of processor; The HDMI interface of described processor and LCD TV decoding chip is electrically connected with the HDMI signal output part of described processor.In addition, described LCD TV decoding chip can also arrange some signal receiving interfaces, and described signal receiving interface can be selected from one or more in Tuner interface, the AV interface of receiving video signals and the D-SUB interface of reception VGA signal that receives TV signal.
Particularly, described optical sensor equipment 2 comprises CMOS camera and signal processing circuit particularly, described signal processing circuit is electrically connected described CMOS camera and signal that described CMOS camera is received carries out analyzing and processing and determine with touch-control and move corresponding position signalling, and described signal processing circuit is also electrically connected with the USB interface of described processor; Described luminescence component 32 can be infrared transmitting tube, and described luminescence component 32 also comprises driving circuit, and described driving circuit is electrically connected described infrared transmitting tube and described infrared transmitting tube is sent to scan round signal.
Described display device also comprises LVDS interface, and described LVDS interface is electrically connected with the Low Voltage Differential Signal output terminal of described LCD TV decoding chip; Described loudspeaker apparatus is electrically connected with the audio signal output end of described LCD TV decoding chip; By the operation of display device described in described driving arrangement control and loudspeaker apparatus.
Above content is the detailed description of in conjunction with specific embodiments the utility model being done, and can not assert that the concrete enforcement of the utility model only limits to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to the scope of the utility model protection.
Claims (2)
1. an electronic whiteboard with radiator structure, is characterized in that, comprising: display device, optical sensor equipment (2), light source and cooling tube (4); Described display device comprises screen assembly (11), and described screen assembly (11) comprises the display surface of rectangle and is positioned at the sensing space of display surface front portion; Described optical sensor equipment (2) is two and is arranged at respectively the two ends of a horizontal sides of described display surface and all towards described display surface; Described light source comprises luminescence component (31), and described luminescence component (31) is two and arranges in the same way with described optical sensor equipment (2) co-located;
Described cooling tube (4) lower end (41) is positioned at described screen assembly (11) bottom, described cooling tube (4) upper end (42) is positioned at described screen assembly (11) top, described optical sensor equipment (2) and described luminescence component (31) are arranged in described cooling tube (4), and described cooling tube (4) is except described upper end (42) and lower end (41) opening, and remainder is airtight.
2. the electronic whiteboard with radiator structure as claimed in claim 1, it is characterized in that, also comprise driving arrangement, described driving arrangement is provided with cooling package (51), and the outer wall of described cooling tube (4) contacts with described cooling package (51) for carrying out heat conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326734.4U CN204009833U (en) | 2014-06-19 | 2014-06-19 | There is the electronic whiteboard of radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326734.4U CN204009833U (en) | 2014-06-19 | 2014-06-19 | There is the electronic whiteboard of radiator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204009833U true CN204009833U (en) | 2014-12-10 |
Family
ID=52049805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326734.4U Expired - Fee Related CN204009833U (en) | 2014-06-19 | 2014-06-19 | There is the electronic whiteboard of radiator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204009833U (en) |
-
2014
- 2014-06-19 CN CN201420326734.4U patent/CN204009833U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150619 |
|
| EXPY | Termination of patent right or utility model |