CN101930704B - Information release terminal device with human body-sensing display - Google Patents
Information release terminal device with human body-sensing display Download PDFInfo
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- CN101930704B CN101930704B CN2010102486232A CN201010248623A CN101930704B CN 101930704 B CN101930704 B CN 101930704B CN 2010102486232 A CN2010102486232 A CN 2010102486232A CN 201010248623 A CN201010248623 A CN 201010248623A CN 101930704 B CN101930704 B CN 101930704B
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Abstract
The invention discloses an information release terminal device with a human body-sensing display, which comprises a liquid crystal display and a control module, wherein the liquid crystal display is provided with a sensor for sensing a human body approaching, the sensor sends sensing signals for indicating the human body approaching to the control module, and the control module controls the back light on-off action of the liquid crystal display after receiving the sensing signals sent by the sensor. By using the infrared human body-sensing technology, the back light lamp of the liquid crystal display of an information release terminal can automatically lights when a human body approaches to an area with a radius of 3-8 meters, and the back light lamp can is delayed 1-5 minutes after the human body is away from the area. The invention has the advantages of simple structure and convenient operation, and can effectively reduce energy waste and prolong life of products.
Description
Technical field
The present invention relates to a kind of audio-visual products that is used for the information issue, specifically a kind of information release terminal device that adopts human body sensing to show.
Background technology
At present, along with the fast development of modern city, the quick propagation of various information is had higher requirement, people hope the quick issue of the information that realizes through various electronic equipments.Thereby information release terminal used by company, school, government department more and more, is used for substituting original papery notice board.On the one hand information release terminal is as the derived product of advertisement machine, by mainboard, and display, memory device constitutes.The energy consumption of general memory device and mainboard is all lower with respect to liquid crystal display, and the life-span is all long with respect to liquid crystal display, so the critical piece of decision information release terminal life-span length and energy consumption height is exactly a liquid crystal display.Information release terminal is different from advertisement machine again on the other hand; The general information issue terminal is used in the office building of company or school, and the stream of people is less, obviously nobody the time; The operation of information delivery apparatus not only wastes energy but also has shortened the problem in the life-span of product, is a kind of tangible waste.
Summary of the invention
Technical matters to be solved by this invention is to above-mentioned prior art present situation, and a kind of information release terminal device that adopts human body sensing to show is provided, have simple in structure, easy to use, according to around whether the someone controls the bright dark advantage of liquid crystal display.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of information release terminal device that adopts human body sensing to show; Comprise LCD and control module; LCD be provided be used to respond to human body near induction installation; Induction installation with corresponding human body near induced signal send to control module, after control module receives the induced signal that induction installation sends, the switch motion of control backlight liquid crystal display.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned control module comprises backlight controller and the mainboard that is used to control backlight switch, and backlight controller receives the induced signal of induction installation and the control signal of mainboard, and sends the backlight switch control signal to LCD.
Above-mentioned induction installation comprises that being used to produce the inductive head of infrared induction signal and being used for the infrared induction analog signal conversion is the induction controller of digital induced signal, and induction controller sends to backlight controller with induced signal.
Above-mentioned LCD comprises first input interface and second input interface that is used to receive the mainboard shows signal that is used to receive the backlight switch control signal.
Above-mentioned mainboard is the Atom mainboard, and mainboard comprises and is used to send first port set of shows signal and second port set that is used to transmit control signal; No. three ports of second port set are connected the backlight controller power input interface with No. six ports, and No. four ports that are used to control backlight intensity are connected with backlight controller.
The 4th port set that above-mentioned backlight controller comprises the 3rd port set and is used to connect the luminotron of liquid crystal panel; ADJ port in the 3rd port set receives the signal of No. four ports in second port set, and the backlight switch signaling interface in the 3rd port set is connected with induction controller.
The slide rheostat that above-mentioned induction controller comprises single-chip microcomputer, the relay that is used to turn-off, is used to eliminate the filter capacitor of noise signal and is used to adjust turn off delay time.Above-mentioned mainboard is connected with power module of voltage regulation and loudspeaker.
Power module of voltage regulation comprises power input interface, transformer, rectifier bridge, voltage stabilizing chip and power output interface.
Above-mentioned inductive head is the infrared induction head, and the induction radius is 3 meters to 8 meters, and angular range is in 170 degree.
Compared with prior art; Information release terminal of the present invention adopts the infrared human body induction technology, and through the induction controller of independent research and being connected of backlight controller, the realization infrared induction is secretly controlled the bright of liquid crystal display; And in the induction controller circuit, add time-delay continuously and trigger function; If make and trigger once more in the time then time delayed turn-off liquid crystal display again, so just can not cause the bright dark frequent switching of liquid crystal display, the serviceable life of prolongation backlight at time delayed turn-off; What controller was controlled simultaneously is the digital signal of liquid crystal board backlight, is different from the power supply that backlight is closed in direct pass, and the control mode of this mode does not influence the serviceable life of liquid crystal board.The invention solves information release terminal of the prior art when nobody watches also in display message, promptly waste energy and shortened the problem in the life-span of product.The present invention is through the infrared human body induction technology, and in the time of can be in 3 meters to 8 meters scopes of human body approaching radius, the LCD backlight lamp of information release terminal lights automatically; Backlight is closed after after human body leaves distance of reaction, delaying time 1 minute to 5 minutes; Simple in structure, easy to use, can effectively reduce energy dissipation and prolong life of product; Can independently use, also can be conveniently incorporated to information release terminal in the market.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the modular structure synoptic diagram of the embodiment of the invention;
Fig. 3 is the electrical block diagram of the embodiment of the invention;
Fig. 4 is the electrical block diagram of induction installation among Fig. 3.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is extremely shown in Figure 4 to be structural representation of the present invention.Reference numeral wherein is: mainboard 1, backlight controller 2, LCD 3, inductive head 4, induction controller 5, single-chip microcomputer 51, relay 52, filter capacitor 53, slide rheostat 54, power module of voltage regulation 6, the first port set P2-1, the second port set P2-2, the 3rd port set P3-1, the 4th port set P3-2, backlight switch signaling interface ON/OFF.
A kind of information release terminal device that adopts human body sensing to show of the present invention; Comprise LCD 3 and control module; LCD 3 be provided be used to respond to human body near induction installation; Induction installation with corresponding human body near induced signal send to control module, after control module receives the induced signal that induction installation sends, the switch that control LCD 3 is backlight.
Induction installation comprises that being used to produce the inductive head 4 of infrared induction signal and being used for the infrared induction analog signal conversion is the induction controller 5 of digital induced signal, and induction controller 5 sends to backlight controller 2 with induced signal.
Modules such as the mainboard 1 in the present embodiment, backlight controller 2, induction controller 5 are installed in the back side of LCD 3.As shown in Figure 3.Can find out in the structural drawing internally, the present embodiment on the left side be power module of voltage regulation 6, it is through P1-1 port input 220V voltage, through transformer, rectifier bridge and voltage stabilizing chip, at last at P1-2 mouth output 12VDC.Its significant feature is exactly to give induction controller 5, Atom mainboard 1 and the power supply of peripheral control module.Center section is the port of Atom mainboard 1, the second port set P2-2 and the main power supply port that No. two ports are Atom mainboards 1, and the port set P1-2 of power module of voltage regulation 6 is connected with No. two ports with a port.No. three ports and No. six ports of the second port set P2-2 on the Atom mainboard 1 give backlight controller 2 power supplies, No. four port controlling backlight intensity, and No. five port controlling backlight switch, the first port set P2-1 on the mainboard 1 provides the shows signal of liquid crystal panel in addition.On the right side of Atom mainboard 1 is backlight controller 2; No. one of this module the 3rd port set P3-1 links to each other with the second port set P2-2 of mainboard 1 with No. six ports; It is the power port of backlight controller 2; The backlight switch signaling interface ON/OFF of the 3rd port set P3-1 links to each other with No. two ports of the P4-1 port of induction controller 5, and the ADJ port of the 3rd port set P3-1 links to each other with No. four ports of mainboard 1.The 4th port set P3-2 of backlight controller 2 connects the luminotron of liquid crystal panel.The induction control module is mainly exported a dry contact signal; Port through port set P4-1 and No. two ports link to each other with the backlight switch signaling interface ON/OFF of the 3rd port set P3-1 of No. five ports of the second port set P2-2 of mainboard 1 and backlight controller 2 respectively, reach the function of control backlight switch.
Fig. 4 is infrared induction head 4 and induction controller 5 inner components and parts synoptic diagram; As can be seen from the figure infrared induction head 4 parts have only an infrared induction element; Be in the scope of 170 degree whether the people to be arranged through induction 5 meters of radiuses, angle; Difference output low level or high level signal; Be defeated by induction controller 5 to level signal through electric wire, the single-chip microcomputer 51 in the induction controller 5 passes through internal logic s operation control relay 52 after receiving signal, and dumb contact signal of relay 52 outputs is given a port and No. two ports of port set P4-1.C1, C2, C3 are filter capacitors 53, receive extraneous touching and some noise signals of producing in order to eliminate the infrared induction element.Slide rheostat 54 among Fig. 4 changes the voltage signal that inputs to single-chip microcomputer 51 through changing resistance, makes the time that changes time-delay.Thereby hot outer induction element senses is during to human body; Export a high level signal and give single-chip microcomputer 51; 52 adhesives of single-chip microcomputer 51 pilot relays; When sense element senses during less than human body, the output low level signal is given single-chip microcomputer 51, and single-chip microcomputer 51 is according to the given voltage signal decision time delayed turn-off relay 52 in outside.Information release terminal of the present invention, through the induction human body near, decide the switch of information release terminal, nobody the time effective saves energy, reduce the ageing equipment loss simultaneously, the serviceable life of prolongation product.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (9)
1. information release terminal device that adopts human body sensing to show; Comprise LCD (3) and control module; It is characterized in that: described LCD (3) be provided be used to respond to human body near induction installation; Described induction installation with corresponding human body near induced signal send to control module, described control module is controlled the backlight switch action of said LCD (3) after receiving the induced signal that induction installation sends; Described control module comprises backlight controller (2) and the mainboard (1) that is used to control backlight switch; Described backlight controller (2) receives the induced signal of said induction installation and the control signal of said mainboard (1), and sends the backlight switch control signal to LCD (3).
2. a kind of information release terminal device that adopts human body sensing to show according to claim 1; It is characterized in that: described induction installation comprises the inductive head (4) that is used to produce the infrared induction signal and is used for the infrared induction analog signal conversion is the induction controller (5) of digital induced signal, and described induction controller (5) sends to described backlight controller (2) with described induced signal.
3. a kind of information release terminal device that adopts human body sensing to show according to claim 2 is characterized in that: described LCD (3) comprises first input interface and second input interface that is used to receive mainboard (1) shows signal that is used to receive the backlight switch control signal.
4. a kind of information release terminal device that adopts human body sensing to show according to claim 3; It is characterized in that: described mainboard (1) is the Atom mainboard, and mainboard (1) comprises and is used to send first port set (P2-1) of shows signal and second port set (P2-2) that is used to transmit control signal; No. three ports of said second port set (P2-2) are connected backlight controller (2) power input interface with No. six ports, and No. four ports that are used to control backlight intensity are connected with backlight controller (2).
5. a kind of information release terminal device that adopts human body sensing to show according to claim 4 is characterized in that: the 4th port set (P3-2) that described backlight controller (2) comprises the 3rd port set (P3-1) and is used to connect the luminotron of liquid crystal panel; ADJ port in said the 3rd port set (P3-1) receives the signal of No. four ports in second port set (P2-2), and the backlight switch signaling interface (ON/OFF) in said the 3rd port set (P3-1) is connected with induction controller (5).
6. a kind of information release terminal device that adopts human body sensing to show according to claim 5 is characterized in that: described induction controller (5) comprises single-chip microcomputer (51), the relay (52) that is used to turn-off, the filter capacitor (53) that is used to eliminate noise signal and the slide rheostat (54) that is used to adjust turn off delay time.
7. a kind of information release terminal device that adopts human body sensing to show according to claim 6, it is characterized in that: described mainboard (1) is connected with power module of voltage regulation (6) and loudspeaker.
8. a kind of information release terminal device that adopts human body sensing to show according to claim 7, it is characterized in that: described power module of voltage regulation (6) comprises power input interface, transformer, rectifier bridge, voltage stabilizing chip and power output interface.
9. a kind of information release terminal device that adopts human body sensing to show according to claim 8, it is characterized in that: described inductive head (4) is the infrared induction head, and the induction radius is 3 meters to 8 meters, and angular range is in 170 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102486232A CN101930704B (en) | 2010-08-05 | 2010-08-05 | Information release terminal device with human body-sensing display |
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| CN2010102486232A CN101930704B (en) | 2010-08-05 | 2010-08-05 | Information release terminal device with human body-sensing display |
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| CN101930704A CN101930704A (en) | 2010-12-29 |
| CN101930704B true CN101930704B (en) | 2012-07-04 |
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| CN2010102486232A Expired - Fee Related CN101930704B (en) | 2010-08-05 | 2010-08-05 | Information release terminal device with human body-sensing display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654912A (en) * | 2016-03-16 | 2016-06-08 | 重庆惠科金扬科技有限公司 | Screen backlight control circuit and display device |
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| JP5906878B2 (en) * | 2012-03-27 | 2016-04-20 | 富士ゼロックス株式会社 | Power supply control device, image processing device, power supply control program |
| CN104080252B (en) * | 2014-07-02 | 2016-03-23 | 成都零点六一八科技有限公司 | A kind of have the intelligent switch of human body near perceptional function |
| CN104751825B (en) * | 2015-04-08 | 2023-10-03 | 恒银金融科技股份有限公司 | Display screen brightness adjusting system and adjusting method of financial self-service terminal |
| CN104991606A (en) * | 2015-07-09 | 2015-10-21 | 苏州硅果电子有限公司 | Infrared induction display |
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| CN101930704A (en) | 2010-12-29 |
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