CN201355517Y - Antitheft calling device with capabilities of advertising and sale promotion - Google Patents

Antitheft calling device with capabilities of advertising and sale promotion Download PDF

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Publication number
CN201355517Y
CN201355517Y CNU2008202226093U CN200820222609U CN201355517Y CN 201355517 Y CN201355517 Y CN 201355517Y CN U2008202226093 U CNU2008202226093 U CN U2008202226093U CN 200820222609 U CN200820222609 U CN 200820222609U CN 201355517 Y CN201355517 Y CN 201355517Y
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China
Prior art keywords
unit
calling
antitheft
circuit
connecting line
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Expired - Fee Related
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CNU2008202226093U
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Chinese (zh)
Inventor
刘珉恺
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Xian Xinwei Information Technology Co Ltd
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Xian Xinwei Information Technology Co Ltd
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Priority to CNU2008202226093U priority Critical patent/CN201355517Y/en
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Abstract

The utility model belongs to an antitheft calling device with the capabilities of advertising and sale promotion in an internet bar, which is characterized in that an antitheft unit is fixed in a host computer box, a calling unit, a main control unit and a management unit are arranged outside the host computer box, the calling unit and the management unit are in radio connection with the main control unit, the calling unit is connected with the antitheft unit via cables, and the calling unit and the antitheft unit share a code; the buttons of a calling key and a cancel key of the calling unit are on an upper shell; a pyroelectric infrared sensor of the antitheft unit, a circuit of the pyroelectric infrared sensor and a power supply circuit are fixed on a circuit board in a shell, and the shell is connected into the host computer box via magnetic pieces; output signals are sent to the calling unit through the cables, and the calling unit sends wireless alarm information to the main control unit; and meanwhile an alarm sound is made. The antitheft calling system can send reliable prompt information to the main control unit, can send out prompt information in time when the calling unit is damaged or stolen, and can provide advertising and promotional activities, thereby effectively reducing the product cost.

Description

Antitheft, calling device with advertisement and promotion capability
Technical field
The utility model belongs to a kind of Internet bar management system, particularly a kind of antitheft, calling device with advertisement and promotion capability.
Background technology
The Internet bar is a consumption places with dense, in very little space, has every day a large amount of personnel to enter.It is recurrent thing that the Internet bar host part (as memory bar) occurs stolen, in order to strengthen management, main frame is put into the Security case body of reinforcing.But this also makes troubles for Internet bar's computer maintenance.A kind of comparatively advanced method is a Chinese patent 200420086254.1 disclosed " automatic alarm anti-theft computer desk "; it has overcome existing all kinds of computer desks does not have safety protection function; the defective that its host hard drive and internal memory are easily stolen; its main technical schemes is that a body is formed by the three faces system of enclosing; in the table body, be provided with desktop and slide key plate rail; desktop has mainframe and monitoring cabinet; mainframe is provided with the CD-ROM drive window outward; floppy drive window and switch hole; be provided with the door-inhale switch in the mainframe; be provided with magnetic switch and alarm in the monitoring cabinet, reach the monitoring cabinet on the table body and also be provided with pilot lamp and alarm lamp outward.When the mainframe of closure was opened, the door-inhale switch just made the magnetic switch energising, and the glittering alarm of alarm lamp pipes, and theft can't be carried out.
This yet " automatic alarm anti-theft computer desk " need make the main frame of Internet bar and table structural reform make, and this causes very big expense can for the owner of Internet bar, influences the popularization of system.Secondly be that supvr or net user open cabinet and can shout a shout.
And another problem that exists in Internet bar's management is, when the net user needed the webmaster service, not around it, the net user often taked loud calling as webmaster.Otherwise need just can obtain for a long time service.The former can influence cafe environment, and latter net user can not in time obtain service.Also be unfavorable for webmaster service objective evaluation.
Summary of the invention
A purpose of the present utility model provides a kind of antitheft, calling device with advertisement and promotion capability, no matter is to adopt which type of mode to steal main frame casing internal part can both send reliable information to main control unit.
Another purpose of the present utility model provides a kind of antitheft, calling device with advertisement and promotion capability, can in time send information so that calling unit is damaged or is removed.
The 3rd purpose of the present utility model provides a kind of antitheft, calling device with advertisement and promotion capability, provides advertisement and advertising campaign so that can make full use of this consumption places with dense in Internet bar, reaches the purpose of effective reduction cost of products.
The purpose of this utility model is to realize like this, antitheft, calling device with advertisement capability, it is characterized in that: comprise antitheft unit, calling unit, main control unit and administrative unit, antitheft unit is fixed in the computer mainframe box body, calling unit, main control unit and administrative unit are external at mainframe box, calling unit and administrative unit and main control unit dedicated radio link, calling unit is connected by connecting line with antitheft unit, coding of calling unit and antitheft units shared; Calling unit comprises single-chip microcomputer, battery, mu balanced circuit and assignment key, cancel key and radio transmitter, single-chip microcomputer, battery, mu balanced circuit and assignment key, cancel key and radio transmitter are fixed on the circuit board, circuit board is fixed in the housing, wherein, the screens that connects portable plate is arranged on the housing, upper shell and portable plate clamping or grafting or web member are connected as one by screens; The button of assignment key and cancel key is on upper shell; Antitheft unit comprises pyroelectric sensor, pyroelectric sensor circuit and power circuit, and pyroelectric sensor, pyroelectric sensor circuit and power circuit are fixed on the interior circuit board of housing, and housing is connected in the mainframe box body by magnetic part.
Described connecting line can be positive power source terminal connecting line, signal wire and negative power end connecting line, and the positive power source terminal of antitheft unit is connected with the negative power end connecting line by the positive power source terminal connecting line with earth terminal with the positive power source terminal of calling unit with earth terminal.
Described connecting line also can be positive power source terminal connecting line and negative power end connecting line, and the positive power source terminal of antitheft unit is connected with the negative power end connecting line by the positive power source terminal connecting line with earth terminal with the positive power source terminal of calling unit with earth terminal; On the positive power source terminal connecting line of antitheft unit or negative power end connecting line loop on-off circuit is arranged, the control end of on-off circuit is electrically connected with the pyroelectric sensor circuit output end.
Between described calling unit positive power source terminal connecting line and the negative power end connecting line power sense circuit is arranged.
Described power sense circuit is to be serially connected between power lead and the ground wire by resistance R 6 and R5 to constitute, and the tie point of resistance R 6 and R5 is electrically connected with a detection mouthful P60 of calling unit.
Described on-off circuit can adopt relay or triode or metal-oxide-semiconductor.
The course of work of the present utility model and advantage are: because the utility model comprises antitheft unit, calling unit, main control unit and administrative unit, calling unit is connected by connecting line with antitheft unit, coding of calling unit and antitheft units shared; Assignment key is pressed, and the Single-chip Controlling radio transmitter sends wireless calling information to main control unit; The wireless calling information that is sent includes pseudo random number; Main control unit receives after the wireless calling information and shows by computing machine numbering corresponding with coding section in the inquiry memory, and random number is stored in the buffer memory; When administrative unit when the main control unit request of sending shows the random number command information, main control unit will show random number.When finishing antitheft and calling out, can utilize the pseudo random number in the wireless calling information to realize on-the-spot prize drawing like this.When the sensed thermal infrared information of pyroelectric sensor, the output signal of pyroelectric sensor circuit offers calling unit by connecting line, and the Single-chip Controlling radio transmitter of calling unit sends radio alarming information to main control unit.Each calling unit and antitheft unit adopt same coding, like this main control unit only receive after the radio alarming information by a coding section in the inquiry memory corresponding with it the computing machine numbering, just can show correspondence computing machine number, and send alarm sound.Cafe environment safety is guaranteed.The screens that connects portable plate is arranged on the upper shell of calling unit housing, upper shell and portable plate clamping or grafting or web member are connected as one by screens; Can manufacture advertisement on the portable plate, regularly change.Portable plate is advertised and can be made the corresponding net user of advertisement, and provides an advertising network naturally to each net user, fully makes this consumption places with dense in Internet bar obtain utilizing.Priorly provide advertisement and advertising campaign, can reach the purpose of effective reduction cost of products, product price and user's buying expenses are shared from the advertisement that obtains, finally reach interests separately.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the utility model embodiment system architecture schematic block diagram;
Fig. 2 is antitheft unit and calling unit circuit embodiments 1 synoptic diagram among Fig. 1;
Fig. 3 is antitheft unit and calling unit circuit embodiments 2 synoptic diagram among Fig. 1;
Fig. 4 is a calling unit shell structure synoptic diagram;
Fig. 5 is the portable plate structural representation of calling unit housing among Fig. 4;
Fig. 6 is the main control unit circuit theory diagrams.
Among the figure: 1, mainframe box; 2, antitheft unit; 3, calling unit; 4, main control unit; 5, display; 6, connecting line; 7, on-off circuit; 8, portable plate; 9, upper shell; 10, socket; 11, screens; 12, housing; 13, strip bulge; 14, the portable plate back side; 15, display; 16, display driver circuit; 17, audio amplifier circuit; 18, single-chip microcomputer; 19, memory; 20, wireless receiving circuit; 21, radio transmitter; 22, sound circuit; 23, power circuit; 201, battery; 202, mu balanced circuit; 203, pyroelectric sensor; 204, pyroelectric sensor circuit; 301, battery; 302, mu balanced circuit; 303, single-chip microcomputer; 304, assignment key; 305, cancel key; 306, radio transmitter; 307, power sense circuit; 601, positive power source terminal connecting line; 602, signal wire; 603, negative power end connecting line.
Embodiment
As shown in Figure 1, the utility model comprises antitheft unit 2, calling unit 3, administrative unit and main control unit 4, antitheft unit 2 is fixed in computer mainframe box 1 body, calling unit 3, administrative unit and main control unit 4 are external at mainframe box 1, antitheft unit 2 and calling unit 3 adopt a coding, and this coding is the computing machine numbering of mainframe box 1 casing correspondence.A main control unit 4 can be managed many antitheft unit 2 and calling unit 3.Antitheft unit 2 is connected by connecting line 6 with calling unit 3, and connecting line 6 one ends and antitheft unit 2 directly weld.Connecting line 6 other ends are connected with the socket 10 of calling unit 3 by plug.The calling of the warning message of antitheft unit 2 and calling unit 3 and the unification of elimination information by the radio transmitter in the calling unit 3 306 to main control unit 4 wireless transmissions.Main control unit 4 is numbered according to corresponding computing machine in the information inquiry main control unit 4 that sends after receiving wireless messages, and the computing machine numbering is shown by display 5.
As shown in Figure 2, antitheft unit 2 comprises pyroelectric sensor 203, battery 201, mu balanced circuit 202 and pyroelectric sensor circuit 204, and pyroelectric sensor 203, battery 201, mu balanced circuit 202 and pyroelectric sensor circuit 204 are fixed on the circuit board.Circuit board and housing are fixed, and there is magnet the housing bottom surface, and housing underrun magnet is connected with computer mainframe box 1 casing magnetic, can guarantee like this to connect reliably, again can be easy to connect.
To comprise that the antitheft unit 2 that pyroelectric sensor 203, pyroelectric sensor circuit 204 and power circuit are formed is fixed in computer mainframe box 1 body,, can prevent to vibrate the false alarm that causes by induction human body thermal infrared signal.As long as have the people to open cabinet like this or hand puts in the cabinet, all to be responded to by pyroelectric sensor 203 rapidly by the thermal infrared that human body produces, pyroelectric sensor 203 induced signals amplify output by pyroelectric sensor circuit 204.
Pyroelectric sensor circuit 204 has two kinds of forms, and a kind of is special-purpose integrated circuit, and another kind is to constitute amplifying circuit by four high guaily unit, and circuit is provided by the manufacturer of pyroelectric sensor.The processing signals that offers calling unit 3 can directly directly obtain after amplifying shaping, obtains after also can being handled by single-chip microcomputer again.Directly can save a single-chip microcomputer, save cost by the integrated circuit or the four high guaily unit amplification shaping output of special use.
The power circuit of antitheft unit 2 comprises battery 201 and mu balanced circuit 202, battery 201 adopts two joint button cells to be connected in series, one joint button cell can provide 3v voltage, can obtain the 6v power supply after the two joint button cell series connection, the 6v power supply is exported the burning voltage of 3v after mu balanced circuit 202 carries out voltage stabilizing, the 3v burning voltage offers pyroelectric sensor 203, pyroelectric sensor circuit 204, and mu balanced circuit 202 is used HT7130, and quiescent current is very little.
For the signal wire 602 that guarantees pyroelectric sensor circuit 204 can not cause misoperation by external interference signals, pull-up resistor or pull down resistor are arranged at signal wire 602 and power end.
Calling unit 3 comprises single-chip microcomputer 303, battery 301, mu balanced circuit 302 and assignment key 304, cancel key 305 and radio transmitter 306, single-chip microcomputer 303, battery 301, mu balanced circuit 302 and assignment key 304, cancel key 305 and radio transmitter 306 are fixed on the circuit board, circuit board is fixed in the housing 308, battery 301 is behind mu balanced circuit 302, offer single-chip microcomputer 303 voltage of voltage regulation by mu balanced circuit 302 output terminals, mu balanced circuit 302 can be stabilivolt or integrated regulator, as HT7130.Battery 301 both positive and negative polarities are electrically connected with radio transmitter 306 positive-negative power ends, and what just offer radio transmitter 306 is the output voltage of battery 301.Battery 301 adopts two joint button cells to be connected in series, one joint button cell can provide 3v voltage, can obtain the 6v power supply after the two joint button cell series connection, being added in radio transmitter 306 like this is 6v power supplys, guarantee transmitting range, the 6v power supply is exported the burning voltage of 3v after mu balanced circuit 302 carries out voltage stabilizing.Radio transmitter 306 control ends are electrically connected with single-chip processor i/o mouth P61.Assignment key 304, cancel key 305 1 ends are electrically connected with pull-up resistor R3, R4 respectively, and the other end is ground connection respectively, and assignment key 304, cancel key 305 are electrically connected with two I/O mouth P64, P65 of single-chip microcomputer respectively with the electric connection point of pull-up resistor R3, R4.Assignment key 304, when cancel key 305 disconnects, I/O mouth P64, P65 is high level, assignment key 304, during cancel key 305 short circuits, I/O mouth P64, P65 is low level, single-chip microcomputer 303 adopts EM78P153 or EM78P152, be in dormant state at ordinary times, two I/O mouth P64, any one mouthful of P65 level changes, single-chip microcomputer 303 identifies assignment key 304 at once or cancel key 305 is pressed, be that assignment key 304 is pressed, single-chip microcomputer 303 sends call information by P61 control radio transmitter 306 to main control unit 4, is that cancel key 305 is pressed, and sends elimination information by P61 control radio transmitter 306 to main control unit 4 by single-chip microcomputer 303.
Table 1 is that assignment key 304 is pressed, and single-chip microcomputer 303 control radio transmitters 306 send the wireless calling information format to main control unit 4; Wireless calling information comprises pseudo random number section, command frame command phase and coding section; Wireless calling information is three bytes, and wherein D23-D16 is byte of pseudo random number section, can export pseudo random number in 0-255; The information that the command frame command phase definition is sent is call information or elimination information or warning message.Wireless calling information is the call information order this section definition.Coding section has 12 at D11-D0, can produce 2048 different codings.After main control unit 4 receives the call information order, will look into
Field Definition The pseudo random number section Command frame command phase Coding section
Field size D23-D16 D15-D12 D11-D0
Table 1
Ask computer code corresponding in main control unit 4 memories, as shown in table 2, table 2 is mappings of main control unit 4 memories, and address 00H-01H is the numbering 25 of computing machine, the volume of calling unit 1
The address The computing machine numbering The address The calling unit numbering
00H-01H 25 80-81H 1
02H-03H 33 82-83H 2
04H-05H 56 84-85H 5
06H-07H 78 86-87H 6
Table 2
Number corresponding with it; Address 02H-03H is the numbering 33 of computing machine, and calling unit coding 2 is corresponding with it, is stored in 82-83H.Address 04H-05H is the numbering 56 of computing machine, and calling unit coding 5 is corresponding with it, is stored in 84-85H.Address 06H-07H is the numbering 78 of computing machine, and calling unit coding 6 is corresponding with it, is stored in 86-87H.Therefore, main control unit 4 receives as calling unit coding 2, then shows 33 on display.Adopt this digital mapping mode, help managing, can carry out corresponding with an any computing machine numbering calling unit of any coding.
Equally, cancel key 305 is pressed, Single-chip Controlling radio transmitter 306 sends wireless elimination information to main control unit 4, wireless elimination information and wireless calling information are different at command frame command phase, the wireless elimination information of a calling set is identical with the coding section of wireless calling information, when therefore, main control unit 4 receives wireless elimination information the numbering of the computing machine of corresponding main control unit 4 buffer areas of coding section removed and both can.When having a plurality of call informations to produce simultaneously, after main control unit 4 need compare identification, accurately remove the numbering of the computing machine of buffer area.When the sensed thermal infrared information of pyroelectric sensor 203, the output signal of pyroelectric sensor circuit 204 offers calling unit 3 by connecting line 6, and the single-chip microcomputer 303 control radio transmitters 306 of calling unit 3 send radio alarming information to main control unit 4; Radio alarming information and wireless calling information are different at command frame command phase, the wireless elimination information of a calling set also is identical with the coding section of wireless calling information, after main control unit 4 receives the radio alarming message command, to inquire about computer code corresponding in main control unit 4 memories equally, as: what the D15-D12 in the radio alarming information provided is the warning message order, then main control unit 4 is according to the mapping table of memory, and the numbering that obtains computing machine shows, sends alarm sound simultaneously.
In the utility model, calling unit 3 is connected by connecting line 6 with antitheft unit 2.Connecting line 6 comprises positive power source terminal connecting line 601, signal wire 602 and negative power end connecting line 603, and the power end of antitheft unit 2 is connected with negative power end connecting line 603 by positive power source terminal connecting line 601 with earth terminal with the power end of calling unit 3 with earth terminal.The weak point because calling unit 3 frequency of utilization height, effective voltage are held time.Therefore, calling unit 3 cell voltages are under-voltage or when not having pressure, in order not influence work, the power end of the power end of antitheft unit 2 and earth terminal and calling unit 3 and earth terminal with after negative power end connecting line 603 is connected, can provide standby power supply by positive power source terminal connecting line 601 to calling unit 3.And the signal end of antitheft unit 2 signal ends and calling unit 3 is electrically connected by signal wire 602, provides antitheft information to calling unit 3, sends antitheft information by radio transmitter 306 to main control unit 4 by calling unit 3.Calling unit 3 and antitheft unit 2 shared radio transmitters 306 can reduce cost, and make antitheft unit 2 detect antitheft information simultaneously and can in time be transmitted into main control unit 4.
In order to prevent from artificially to take out the battery 301 of calling unit 3.Between being connected in series a little, 301 liang of batteries of battery draw a signal end, signal end is electrically connected with the input port P62 of calling unit 3, when taking out calling unit 3 batteries 301, the input port P62 of calling unit 3 will be by high step-down, single-chip microcomputer 303 sends wireless signal by P61 control radio transmitter 306 to main control unit 4, by the display 5 show Calls unit 3 corresponding main frame numberings of main control unit 4.
And for stealing calling unit 3, need equally in time by main control unit 4 prompting webmasters.Its testing circuit is to realize by the power sense circuit 307 that enters between calling unit 3 positive power source terminal connecting lines 601 and the negative power end connecting line 603.Be serially connected between positive power source terminal connecting line 601 and the negative power end connecting line 603 by resistance R 6 and R5, the tie point of resistance R 6 and R5 is electrically connected with a detection mouthful P60 of calling unit 3.When the power end of antitheft unit 2 is connected by connecting line 6 with earth terminal with the power end of calling unit 3 with earth terminal, resistance R 6 and R5 provide high level to the I/O mouth P60 of the single-chip microcomputer 303 of calling unit 3, when positive power source terminal connecting line 601 and 603 short circuits of negative power end connecting line or when opening circuit (artificial destruction), resistance R 6 and R5 provide low level to the I/O mouth P60 of the single-chip microcomputer 303 of calling unit 3, just the single-chip microcomputer 303 of calling unit 3 detects I/O mouth P60 has level from high to low to change, and calling unit 3 directly sends wireless signal by I/O mouth P61 control radio transmitter 306 to main control unit 4.
Need to prove, be serially connected in by resistance R 6 and R5 that to constitute power sense circuit 307 between positive power source terminal connecting line 601 and the negative power end connecting line 603 be not unique, by resistance and stabilivolt series connection, also can constitute power sense circuit 307, reach identical purpose, therefore but the price of a stabilivolt will be higher than the price manyfold of a resistance, is serially connected in by resistance R 6 and R5 to constitute power sense circuit 307 between positive power source terminal connecting line 601 and the negative power end connecting line 603 and make cost of products reduce.
Antitheft unit 2 can also adopt another form with calling unit 3 by what connecting line 6 was connected, as shown in Figure 3, connecting line 6 comprises positive power source terminal connecting line 601 and negative power end connecting line 603 in Fig. 3, just wrapping at antitheft unit 2 and calling unit 3 has on-off circuit 7 on the power supply link circuit, the control end of on-off circuit 7 is electrically connected with pyroelectric sensor circuit 204 output terminal C.In this structure, connecting line can be economized one, the output signal of pyroelectric sensor circuit 204 can realize by the output terminal C gauge tap circuit 7 of pyroelectric sensor circuit 204, when thermal infrared induction pyroelectric sensor 203, the output terminal C of pyroelectric sensor circuit 204 is a high level, on-off circuit 7 is disconnected, resistance R 6 in calling unit 3 and R5 are owing to be serially connected between power lead 601 and the ground wire 603, by high step-down, the variation that detects mouthful P60 just can make single-chip microcomputer 303 send antitheft information by radio transmitter 306 to main control unit 4 by resistance R 6 and R5 dividing potential drop.On-off circuit 7 can adopt relay or triode or metal-oxide-semiconductor, and when control end was low, on-off circuit 7 was connected, and when control end was high level, on-off circuit 7 disconnected.
For the enforcement circuit that Fig. 3 provides, its anti-interference is better than the enforcement circuit that Fig. 2 provides, but for reliably, need further determine whether it is to produce the pyroelectricity signal because thermal infrared causes pyroelectric sensor.
Fig. 4 has provided the shell structure synoptic diagram of calling unit 3.The screens 11 that connects portable plate 8 is arranged on the upper shell 9 of housing 12, and screens 11 can be the connection fastener on draw-in groove or portable plate 8 and the upper shell 9.As shown in Figure 5, there is strip bulge 13 at the portable plate back side 14, and upper shell 9 fronts are the inclined-plane, and corresponding strip groove is arranged on the inclined-plane; Strip bulge 13 constitutes screens 11 with strip groove.Be connected with strip bulge 13 wringing fits by strip groove, portable plate 8 and upper shell 9 are formed as one.Can do various advertisements or binding and layout picture in the front of portable plate 8 like this.
Administrative unit in the utility model is a Digiplex, and its data layout that sends wireless messages is identical with the wireless calling information of calling unit 3, and it has defined request at command frame command phase and has shown the random number order.Certainly request shows that the random number command information will directly provide corresponding computing machine number information, so that demonstration is the calling unit 3 that really sends call information.Main control unit 4 request of receiving shows the random number command information commands, random number that show Calls unit 3 sends on display 5 and corresponding computing machine numbering.
Fig. 6 is the circuit theory diagrams of main control unit 4 embodiment, and display unit 4 comprises single-chip microcomputer 18 (AT89C2051), group of four figures tube display 15, wireless receiving circuit 20, radio transmitter 21, memory 19, display driver circuit 16, sound circuit 22, audio amplifier circuit 17 and power circuit 23.Display driver circuit 16 adopts serial line interface charactron drive IC, and as MAX7219, it is few that it has the resource of taking, and controls characteristics easily.Single-chip microcomputer 18 can adopt the AT89C2051 or the AT89C51 of 51 series, also can adopt other single-chip microcomputer.Because display driver circuit 16 is a serial port drive, the The whole control circuit fully can with a slice AT89C2051.The P1.0 of AT89C2051, P1.1, P1.2 are connected with DIN, CLK, the LOAD of MAX7219, and the display 15 that connects at MAX7219 is 4 charactrons.Adopt 4 charactrons to be because general maximum seats in the plane, Internet bar can not surpass 4 figure places.Also be fine with two or 3 for little Internet bar.
In order to finish reception and the emission to wireless signal, AT89C2051 controls radio transmitter 21 with P3.6, and radio transmitter 21 can be existing wireless module circuit (market sale).Receive the signal of wireless receiving module 20 (market sale) with P1.7.AT89C2051 is used to store the numbering mapping of calling unit 3 and corresponding computing machine by the memory 24C02 of I/OP1.3, P1.4 electrical connection serial line interface.In addition, other I/O mouth of AT89C2051 such as P3.5 and P3.7 are connected with sound circuit 17, and the output of sound circuit 17 drives the loudspeaker output sound by voice amplifying circuit 22 again.Sound circuit 17 is divided into different source of sound sections, and call information, elimination information, warning message that calling unit is sent have alternative sounds.Power circuit 23 can provide the linear power supply between the 20v-9v, also can be Switching Power Supply.

Claims (6)

1, antitheft, the calling device that have advertisement capability, it is characterized in that: comprise antitheft unit (2), calling unit (3), main control unit (4) and administrative unit, antitheft unit (2) is fixed in computer mainframe box (1) body, calling unit (3), main control unit (4) and administrative unit are external at mainframe box (1), calling unit (3) and administrative unit and main control unit (4) dedicated radio link, calling unit (3) is connected by connecting line (6) with antitheft unit (2), the shared coding in calling unit (3) and antitheft unit (2); Calling unit (3) comprises single-chip microcomputer (303), battery (301), mu balanced circuit (302) and assignment key (304), cancel key (305) and radio transmitter (306), single-chip microcomputer (303), battery (301), mu balanced circuit (302) and assignment key (304), cancel key (305) and radio transmitter (306) are fixed on the circuit board, circuit board is fixed in the housing (12), wherein, the screens (11) of connection portable plate (8) is arranged on the housing (12), upper shell (9) and portable plate clamping or grafting or web member are connected as one by screens (11); The button of assignment key (304) and cancel key (305) is on upper shell (9); Antitheft unit (2) comprises pyroelectric sensor (203), pyroelectric sensor circuit (204) and power circuit, pyroelectric sensor (203), pyroelectric sensor circuit (204) and power circuit are fixed on the interior circuit board of housing (12), and housing (12) is connected in mainframe box (1) body by magnetic part.
2, antitheft, the calling device with advertisement capability according to claim 1, it is characterized in that: described connecting line (6) can be positive power source terminal connecting line (601), signal wire (602) and negative power end connecting line (603), and the positive power source terminal of antitheft unit (2) is connected with negative power end connecting line (603) by positive power source terminal connecting line (601) with earth terminal with the positive power source terminal of calling unit (3) with earth terminal.
3, antitheft, the calling device with advertisement capability according to claim 1, it is characterized in that: described connecting line (6) also can be positive power source terminal connecting line (601) and negative power end connecting line (603), and the positive power source terminal of antitheft unit (2) is connected with negative power end connecting line (603) by positive power source terminal connecting line (601) with earth terminal with the positive power source terminal of calling unit (3) with earth terminal; On the positive power source terminal connecting line (601) of antitheft unit (2) or negative power end connecting line (603) loop on-off circuit (7) is arranged, the control end of on-off circuit (7) is electrically connected with pyroelectric sensor circuit (204) output terminal.
4, antitheft, the calling device with advertisement capability according to claim 3 is characterized in that: between described calling unit (3) positive power source terminal connecting line (601) and the negative power end connecting line (603) power sense circuit (307) is arranged.
5, antitheft, the calling device with advertisement capability according to claim 4, it is characterized in that: described power sense circuit (307) is to be serially connected between power lead and the ground wire by resistance R 6 and R5 to constitute, and the tie point of resistance R 6 and R5 is electrically connected with a detection mouthful P60 of calling unit.
6, antitheft, the calling device with advertisement capability according to claim 3, it is characterized in that: described on-off circuit (7) can adopt relay or triode or metal-oxide-semiconductor.
CNU2008202226093U 2008-11-25 2008-11-25 Antitheft calling device with capabilities of advertising and sale promotion Expired - Fee Related CN201355517Y (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107886599A (en) * 2016-09-30 2018-04-06 江汉大学 A kind of theater audiences number real-time statistics system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107886599A (en) * 2016-09-30 2018-04-06 江汉大学 A kind of theater audiences number real-time statistics system

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