CN201765790U

CN201765790U - Information release terminal equipment adopting human body induction display

Info

Publication number: CN201765790U
Application number: CN201020285913XU
Authority: CN
Inventors: 宋四海; 王挺洲
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-05
Filing date: 2010-08-05
Publication date: 2011-03-16
Anticipated expiration: 2020-08-05

Abstract

The utility model discloses information release terminal equipment adopting human body induction display, which comprises a liquid crystal display and a control module. An induction device used for inducing the approaching of a human body is arranged on the liquid crystal display; the induction device transmits induced signals corresponding to the approaching of the human body to the control module; and the control module controls the on and off of a backlight switch of the liquid crystal display after receiving the induced signals transmitted by the induction device. The information release terminal equipment adopts the infrared human body induction technology, the backlight of the liquid crystal display of the information release terminal can be automatically turned on when the approaching radius of the human body is within the range of 3 to 8 meters, and the backlight is turned off by delaying 1 to 5 munities after the human body leaves the induction distance, and the information release terminal equipment has the advantages that the structure is simple, the use is convenient, and the energy waste can be effectively reduced and the service life of products is prolonged.

Description

A kind of information release terminal device that adopts human body sensing to show

Technical field

The utility model 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 wish the quick issue of the information that realizes by 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 problem to be solved in the utility model is at 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 utility model 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 is provided with and is used to respond to the close induction installation of human body, the induction installation induced signal that corresponding human body is close sends to control module, behind the induced signal that control module reception 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 second input interface that is used to receive first input interface of backlight switch control signal and is used to receive the mainboard shows 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 utility model adopts the infrared human body induction technology, by 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 utility model solved 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 utility model is by the infrared human body induction technology, 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 delaying time 1 minute to 5 minutes after human body leaves distance of reaction, 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 utility model embodiment;

Fig. 2 is the modular structure synoptic diagram of the utility model embodiment;

Fig. 3 is the electrical block diagram of the utility model embodiment;

Fig. 4 is the electrical block diagram of induction installation among Fig. 3.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is to Figure 4 shows that structural representation of the present utility model.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 utility model, comprise LCD 3 and control module, LCD 3 is provided with and is used to respond to the close induction installation of human body, the induction installation induced signal that corresponding human body is close sends 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.

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.When human body was come into information release terminal of the present utility model, inductive head 4 detected the approaching of human body, and induction installation just sends to control module with induced signal, and the backlight of LCD 3 is opened in control module control.Walk out the induction range of inductive head 4 when human body after, induction installation just send corresponding nobody the time induced signal, the backlight of LCD 3 is closed in control module control simultaneously.Control module comprises backlight controller 2 and the mainboard 1 that is used to control backlight switch, and backlight controller 2 receives the induced signal of induction installation and the control signal of mainboard 1, and sends the backlight switch control signal to LCD 3.LCD 3 comprises second input interface that is used to receive first input interface of backlight switch control signal and is used to receive mainboard 1 shows signal.Mainboard 1 is connected with power module of voltage regulation 6 and loudspeaker.On mainboard 1, can also connect a plurality of expansion modules.Power module of voltage regulation 6 comprises power input interface, transformer, rectifier bridge, voltage stabilizing chip and power output interface.Power module of voltage regulation 6 provides the output of stable power voltage for control module and induction installation.

Embodiment 1, and as shown in Figure 1, the information release terminal of present embodiment has a shell, and in an anterior embedded LCD 3 of housing, the chlamydate size of the big I of LCD 3 is selected different models.The inductive head 4 of induction installation can be installed in the optional position of shell, in the present embodiment, inductive head 4 be installed in LCD 3 directly over, in order to the induction human body near information release terminal, so that control module is made corresponding action.As shown in Figure 2, the internal components of the information release terminal of present embodiment comprises power module of voltage regulation 6, is used for the backlight controller 2, infrared human body inductive head 4 of mainboard 1, the control liquid crystal panel backlight of information processing, is the infrared induction conversion of signals induction controller 5 of digital controlled signal, the LCD 3 that is used for showing, loudspeaker and a part of expansion module.Backlight controller 2 is by induction controller 5 and mainboard 1 control, and LCD 3 is by mainboard 1 and backlight controller 2 controls.

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.Internally in the structural drawing as can be seen, the present embodiment on the left side be power module of voltage regulation 6, it is by 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 by 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, by 5 meters of radiuses of induction, angle is in 170 scopes of spending whether the people to be arranged, difference output low level or high level signal, through electric wire level signal is defeated by induction controller 5, 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, are subjected to 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 by 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 utility model, close by the induction human body, 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 utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.

Claims

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) is provided with and is used to respond to the close induction installation of human body, the described induction installation induced signal that corresponding human body is close sends to control module, behind the induced signal that described control module reception induction installation sends, control the backlight switch action of described 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 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 described induction installation and the control signal of described mainboard (1), and sends the backlight switch control signal to LCD (3).

3. a kind of information release terminal device that adopts human body sensing to show according to claim 2, 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.

4. a kind of information release terminal device that adopts human body sensing to show according to claim 3 is characterized in that: described LCD (3) comprises second input interface that is used to receive first input interface of backlight switch control signal and is used to receive mainboard (1) shows signal.

5. a kind of information release terminal device that adopts human body sensing to show according to claim 4, 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 described 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).

6. a kind of information release terminal device that adopts human body sensing to show according to claim 5 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 described 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 described the 3rd port set (P3-1) is connected with induction controller (5).

7. a kind of information release terminal device that adopts human body sensing to show according to claim 6 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.

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 mainboard (1) is connected with power module of voltage regulation (6) and loudspeaker.

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 power module of voltage regulation (6) comprises power input interface, transformer, rectifier bridge, voltage stabilizing chip and power output interface.

10. a kind of information release terminal device that adopts human body sensing to show according to claim 9, 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.