CN101093599A - Self-help type burglary protection system for commodities, and method of use - Google Patents
Self-help type burglary protection system for commodities, and method of use Download PDFInfo
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- CN101093599A CN101093599A CN 200710049501 CN200710049501A CN101093599A CN 101093599 A CN101093599 A CN 101093599A CN 200710049501 CN200710049501 CN 200710049501 CN 200710049501 A CN200710049501 A CN 200710049501A CN 101093599 A CN101093599 A CN 101093599A
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- remote control
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Abstract
A burglar proof system of self-service commodity is prepared for adding remote control unit and display screen on said system, forming remote control emitter by coding control and modulation oscillation circuit as well as emission circuit, forming remote control receiving circuit by receiving head and decoding integrated circuit and digital potentiometer being used to replace existed mechanical potentiometer, setting said emitter and said receiving circuit at two sides of exit on department store for detecting out stolen commodity.
Description
(1) technical field: self-help type burglary protection system for commodities and using method are a kind of commodity wireless burglar alarm systems.Belong to warning device class (G08B), show class (G09F) and remote control adjustment class (G05B).
(2) background technology:
Existing burglary protection system for commodities is the important loss prevention section of accidentally dropping of market, supermarket, clothes shop etc., can be provided with electronic article detecting device, demoder or lockaid gun, hand-held detector and supplementary material etc.See Fig. 1, be provided with transmitter 1 and receiver 2 in the electronic article detecting device, be positioned over market or EXIT both sides respectively, soft label or hard label 3 are arranged on the commodity, soft label is pasted with the adhesive sticker form, and hard label is fixed with draw point or snap close.Behind customer payment, the cashier takes off hard label with soft label decoding or with lockaid gun with demoder from commodity, payment payment back commodity just waltz through transmitter and receiver and are taken away by client, otherwise, soft label and hard label because of not decoding is arranged on the arrearage commodity, during transmitter and receiver by outlet, warning device sends chimes of doom and stops that commodity are stolen to be taken away in the receiver.
Above-mentioned existing goods burglary-resisting system, there are the following problems: 1. at the product development initial stage, the product that comes into the market to move is few, and promptly the user is few, and concentrates on the big city, and the Installation and Debugging of all-work go to finish by the technician of producer at the scene.Along with development of market economy, burglary protection system for commodities has spread to market, supermarket, the clothes shop in small towns, produces huge on-the-spot Installation and Debugging amount thus producer can't be competent at.Cause that user's result of use is not good, after sale service seriously lags behind, influence product promotion and use.2. product must be opened casing in the Electromagnetic Interference degree difference in each market during technician's field adjustable, adjusts mechanical potentiometer with instrument, this mode Installation and Debugging trouble, and stabilization of equipment performance is poor.
(3) summary of the invention:
Self-help type burglary protection system for commodities and method that the present invention proposes solve the existing product market expansion exactly, and producer is difficult to artificial field adjustable, and cause that user's result of use is not good, poor stability, after sale service seriously lag behind, and influences problems such as product promotion application.Its technical scheme is as follows:
Self-help type burglary protection system for commodities comprises the electronic article detecting device and the supplementary material that contain transmitter 1 and receiver 2; Antenna 2.1, high-frequency receiver 2.2, wave detector 2.3, amplifier comparator 2.4, numerical analysis system 2.5 and alarm 2.6 are wherein arranged in the receiver 2, it is characterized in that
A) set up by what infrared ray, ultrasound wave or radiowave transmitted and exempt to dismantle telechiric device 4, this telechiric device 4 is provided with remote control transmitter 4.1 and remote-control receiving circuit 4.2; B) control circuit in the remote-control receiving circuit 4.2 is the digital regulation resistance W that is loaded in the receiver amplifier comparator 2.4
4.2; C) in receiver 2 case surface display screen 2.7 being set, this display screen 2.7 is provided with the display lamp 2.71～2.73 of expression electronic article detector sensitivity; And establish and regulate digital regulation resistance W
4.2Remote control transmitter button K
1, K
2With corresponding digital analytic system 2.5, in order to the control display lamp.
Can be provided with the encoding control circuit 4.11 of special chip in the above-mentioned remote control transmitter 4.1; Establish the decoder ic 4.21 that matches mutually with encoding control circuit 4.11 in the remote-control receiving circuit 4.2.Above-mentioned encoding control circuit 4.11 and decoder ic 4.2 1 can be provided with the receiving mode that matches or/and the extension bits pin 12,13 of remote control projects such as frequency hopping, and decoder ic extension bits pin 12,13 is 2.5 to be connected with the numerical analysis of receiver directly, and establishes corresponding display lamp on display screen 2.7.
Can adopt the crystal oscillator W of 38KHZ in the above-mentioned remote control transmitter 4.1
4.1Modulation oscillator circuit 4.12.Reception head in the above-mentioned remote-control receiving circuit 4.2 can adopt finished product infrared receiving terminal 4.22.Above-mentioned digital regulation resistance W
4.2Can adopt model is 9511 integrated package, or by pulse control gate circuit, decoding integration block, contain the universal circuit that the electronic switch of resistor chain is formed.Above-mentioned amplifier comparator 2.4 general level comparison circuit or the signal amplitude regulating circuits that adopt control sensitivity.Above-mentioned numerical analysis system 2.5 can adopt Single Chip Microcomputer (SCM) system 2.5, and the single-chip microcomputer model is PIC16 F873; Also can adopt digital integrated circuit or analog to digital conversion analytic system DSP.
The using method of above-mentioned self-help type burglary protection system for commodities is characterized in that this method comprises the following steps:
I. in the accessories of a product that dispatch from the factory, install with whole screws, connect electric wire and the auxiliary material, and have the explanation of remote control debugging step except that providing; Ii. the burglary protection system for commodities of selecting at this shop at factory carries out remote control transmitter 4.1 and encodes one to one; Iii. at the scene the user by the remote control debugging specification, according to the environmental electromagnetic wave degree of disturbance of display screen display lamp reflection, voluntarily with remote control transmitter to product sensitivity debug; Perhaps sensitivity, receiving mode and frequency hopping are carried out the remote control debugging in the lump.
Beneficial effect of the present invention: problem maximum during the i. burglary protection system for commodities uses is the external electromagnetic wave interference, and different regions are different with the place disturbed condition, can't debug in advance.System of the present invention is total can be popular be interpreted as＜user-friendly camera, set up telechiric device and display screen, technical realization human-computer interaction mode is debugged, the user can be according to on-the-spot display screen prompting, debugging is handled voluntarily.Solved that the difficulty of a large amount of large tracts of land after services of product and existing system debud mode need dismantle that casing etc. makes troubles and effect Cui not, realized that system's Installation and Debugging are easy, exempt from dismounting, stabilization of equipment performance height.Help product and popularize city and supermarket, small towns.Ii. be respectively equipped with encoding control circuit and decoder ic in the telechiric device 4, realize that each market uses a kind of control one to one of coding, the telechiric device mutually noninterfere in different markets.Iii. remote control transmitter is selected the carrier signal of 38KHZ for use, is convenient to improve stability, reduce cost.Select 38KHZ crystal oscillator W for use
4.1So circuit is simple, reliability is high, frequency is accurate.Iv. select for use finished product infrared receiving terminal high conformity, strong interference immunity, cost low.V. digital regulation resistance W
4.2The employing model is 9511 integrated package, to replace mechanical potentiometer.This 9511 is 8 pins, and circuit is simple.Vi. increase receiving mode and frequency hopping distant control function, the product usability is more perfect.
(4) description of drawings:
Fig. 1 electronic article detecting device and telechiric device 4 synoptic diagram
Fig. 2 electronic article detecting device receiver 2 block diagrams
A kind of circuit diagram 2.4a of the mat woven of fine bamboo strips of Fig. 3 receiver 2 amplifier comparators 2.4 (level comparison circuit)
Two kinds of circuit diagram 2.4b of the mat woven of fine bamboo strips of Fig. 4 receiver 2 amplifier comparators 2.4 (signal amplitude regulating circuit)
Three kinds of circuit diagram 2.4C of the mat woven of fine bamboo strips of Fig. 5 receiver 2 amplifier comparators 2.4 (signal amplitude regulating circuit)
Fig. 6 remote control transmitter 4.1 circuit diagrams
Fig. 7 remote-control receiving circuit 4.2 circuit diagrams (digital regulation resistance W among the figure
4.2Be a kind of control circuit 4.23a of the mat woven of fine bamboo strips)
Two kinds of control circuit 4.23b of the mat woven of fine bamboo strips are (as digital regulation resistance W in Fig. 8 remote-control receiving circuit 4.2
4.2)
Three kinds of control circuit 4.23c of the mat woven of fine bamboo strips are (as digital regulation resistance W in Fig. 9 remote-control receiving circuit 4.2
4.2)
Figure 10 Single Chip Microcomputer (SCM) system 2.5 circuit diagrams
(5) embodiment:
Embodiment 1: see Fig. 1, see Fig. 2, Fig. 4, Fig. 6, Fig. 7
See Fig. 1, the electronic article detecting device is made up of soft label on transmitter 1, receiver 2 and the commodity or hard label 3.Telechiric device 4 is made up of remote control transmitter 4.1 and the remote-control receiving circuit 4.2 that is loaded in receiver 2 printed boards.Display screen 2.7 is provided with three display lamps 2.71,2.72,2.73 of expression degree of disturbance grade; Establish power light 2.70 simultaneously, be the light emitting diode D2 among Fig. 7.
See Fig. 2, be provided with antenna 2.1, high-frequency receiver 2.2, wave detector 2.3, amplifier comparator 2.4, numerical analysis system 2.5 and alarm 2.6 in the receiver 2; Present embodiment 1 numerical analysis system adopts Single Chip Microcomputer (SCM) system 2.5, and directly is connected with the display screen 2.7 that is loaded on receiver 2 shells, shows single-chip microcomputer output information (simultaneously visible Fig. 1 and Figure 10).
In Fig. 3-Fig. 5, amplifier section is that I, rating unit are II in the amplifier comparator 2.4, and its input end A connects wave detector 2.3, and output terminal B connects single-chip microcomputer in the Single Chip Microcomputer (SCM) system 2.5 (PIC16F873) pin 4 (seeing Fig. 2, Figure 10).See Fig. 3, amplifier comparator 2.4 adopts a kind of circuit diagram 2.4a of the mat woven of fine bamboo strips (level comparison circuit), promptly controls sensitivity with comparative level, digital regulation resistance W
4.2Be connected on comparer 2.41 inverting inputs; 2.42 is operational amplifier among Fig. 3.See Fig. 4, amplifier comparator 2.4 adopts two kinds of circuit diagram 2.4b of the mat woven of fine bamboo strips (signal amplitude regulating circuit), promptly regulates sensitivity with signal amplitude, digital regulation resistance W
4.2Be connected between the inverting input and output terminal of operational amplifier 2.42; 2.41 is comparer among Fig. 4.See Fig. 5, amplifier comparator 2.4 adopts three kinds of circuit diagram 2.4C of the mat woven of fine bamboo strips (signal amplitude regulating circuit), promptly regulates sensitivity with signal amplitude, digital regulation resistance W
4.2Be connected between two operational amplifiers 2.42 and 2.43; 2.41 is comparer among Fig. 5.
See Fig. 6, remote control transmitter 4.1 by the encoding control circuit 4.11 of special chip, contain 38KHZ crystal oscillator W
4.1Modulation oscillator circuit 4.12 and radiating circuit 4.13 form.Special chip is adopted in coding control 4.11, and control function such as sensitivity increase and decrease are provided, and sees Fig. 1, Fig. 6, by K switch
1Or K switch
2Sensitivity is increased or minimizing.See Fig. 6, special chip 1 to 8 pin is the three condition bits of coded, and that each pin independently is provided with is unsettled, ground connection, connect the 5V power supply, and their combination is exactly a coding result.Every cover system coding is different, in order to avoid remote control transmitter 4.1 maloperations.Modulation oscillator circuit 4.12 is selected integrated circuit 4011 or other close general digital integrated circuit of function for use.Radiating circuit 4.13 has triode power amplifier Q1 and infrared tube D1.Modulation oscillator circuit 4.12 is gone back the modulation of received code control circuit 4.11, and the result is exported to power amplifier Q1, promotes infrared tube D1 emissioning controling signal.
See Fig. 7, remote-control receiving circuit 4.2 is made up of finished product infrared receiving terminal 4.22, decoder ic 4.21 and control circuit.Decoder ic 4.21 and encoding control circuit 4.11 pairings.Control circuit is the digital regulation resistance W in the amplifier comparator 2.4 in the receiver 2
4.2, the control circuit 4.23a that present embodiment 1 is selected for use is an integrated package 9511, connects decoder ic 4.21 pins 11 and 10 respectively by pin 1 and 2, by the W in IN and the OUT interface access amplifier comparator 2.4
4.2The position.D2 is the confirmation of receipt pilot lamp, and normal at ordinary times bright expression energising is normal, (also being power light 2.70 among Fig. 1), receive remote signal after, triode Q2 conducting, pilot lamp D2 extinguishes.
When sensitivity is transferred in remote control, see Fig. 6, Fig. 7, button K
1Or K
2, 11 pin that control sensitivity increases in the circuit 4.11 and 4.21 or control sensitivity reduce by 10 pin signal are passed to control circuit 9511, realize regulating digital regulation resistance W among Fig. 3, Fig. 4 or Fig. 5
4.2And connect single-chip microcomputer in the Single Chip Microcomputer (SCM) system 2.5 (PIC16F873) pin 4 (seeing Fig. 2, Figure 10) by output terminal B among Fig. 3-Fig. 5, pin 23,24,25 connects three display lamps 2.71,2.72,2.73 of expression degree of disturbance grade, and is contained on the display screen 2.7 and shows (see figure 1).
If need to increase the distant control function of receiving mode and frequency hopping, see Fig. 6, in remote control transmitter encoding control circuit 4.11, increase function extension bits pin 12 and 13 and corresponding key K
3Or K
4See Fig. 7, Figure 10 increases function extension bits pin 12 and 13 in remote-control receiving circuit encoding control circuit 4.21, use membrane type F
1With frequency hopping F
2Expression, and connect single-chip microcomputer 11 pin and 12 pin.Single- chip microcomputer pin 26,27 and 28 circuit connect display screen 2.7 display lamps 2.78,2.79 and 2.710, three kinds of switchable mode of operations of they expressions or processing mode: clean environment, home, dried sorrow environment.Single- chip microcomputer pin 15,16,17 and 18 circuit connect display screen 2.7 display lamps 2.74,2.75,2.76 and 2.77, and they represent four frequency hopping frequencies, by a K
4The key (see figure 6), modulating frequency changes once successively, and the outage memory function is arranged.If also will carry out other remote control project control, need to increase the decoder ic interface circuit.
The using method of present embodiment 1 self-help type burglary protection system for commodities is as follows:
I. in the accessories of a product that dispatch from the factory, install with whole screws, connect electric wire and the auxiliary material, and have the explanation of remote control debugging step except that providing; Ii. the burglary protection system for commodities of selecting at this shop at factory carries out remote control transmitter 4.1 and encodes one to one; Iii. see Fig. 1, press remote control transmitter button K
1Or K
2, lamp 2.71 bright expression environment have interference on the display screen, and lamp 2.72 bright expression environment have very strong jamming, and lamp 2.73 bright expressions close on warning, and if all do not work, sensitivity is on the low side; Iv. if the expansion distant control function is arranged, press remote control transmitter button K
3Or/and K
4, press display lamp 2.74-2.77 frequency modulation rate, press display lamp 2.78-2.70 and transfer mode of operation or processing mode.
Embodiment 2: see Fig. 8
Embodiment 3: see Fig. 9, present embodiment 3 is resistor chain R with embodiment 2 unique differences
1-R
16Be series connection, and embodiment 2 resistor chain R
1-R
16Be in parallel.All the other and embodiment 2 are identical.
Claims (10)
1. self-help type burglary protection system for commodities comprises the electronic article detecting device and the supplementary material that contain transmitter (1) and receiver (2); Antenna (2.1), high-frequency receiver (2.2), wave detector (2.3), amplifier comparator (2.4), numerical analysis system (2.5) and alarm (2.6) are wherein arranged in the receiver (2), it is characterized in that
A) set up the telechiric device (4) that transmits by infrared ray, ultrasound wave or radiowave, be provided with remote control transmitter (4.1) and remote-control receiving circuit (4.2) in this telechiric device;
B) control circuit in the remote-control receiving circuit (4.2) is for being loaded on the digital regulation resistance W in the receiver amplifier comparator (2.4)
4.2
C) in receiver (2) case surface display screen (2.7) is set, this display screen (2.7) is provided with the display lamp (2.71～2.73) of expression electronic article detector sensitivity; And be provided with and regulate digital regulation resistance W
4.2Remote control transmitter button K
1, K
2With corresponding digital analytic system (2.5), in order to the control display lamp.
2. by the described burglary protection system for commodities of claim 1, it is characterized in that being provided with in the remote control transmitter (4.1) encoding control circuit (4.11) of special chip; Establish the decoder ic (4.21) that matches mutually with encoding control circuit (4.11) in the remote-control receiving circuit (4.2).
3. by the described burglary protection system for commodities of claim 2, it is characterized in that encoding control circuit (4.11) and decoder ic (4.21) are equipped with the receiving mode that matches or/and the extension bits pin 12,13 of frequency hopping remote control project, and decoder ic extension bits pin 12,13 directly is connected with the numerical analysis system (2.5) of receiver, and establish corresponding display lamp (2.74～2.710) on display screen (2.7).
4. by the described burglary protection system for commodities of claim 1, it is characterized in that adopting in the remote control transmitter (4.1) the crystal oscillator W that contains 38KHZ
4.1Modulation oscillator circuit (4.12).
5. by the described burglary protection system for commodities of claim 1, it is characterized in that adopting in the remote-control receiving circuit (4.2) finished product infrared receiving terminal (4.22).
6. press the described burglary protection system for commodities of claim 1,, it is characterized in that digital regulation resistance W
4.2Adopt integrated package, model is 9511.
7. by the described burglary protection system for commodities of claim 1, it is characterized in that digital regulation resistance W
4.2Form by pulse control gate circuit, decoding integration block and the electronic switch that contains resistor chain.
8. by the described burglary protection system for commodities of claim 1, it is characterized in that described amplifier comparator (2.4) adopts the level comparison circuit or the signal amplitude regulating circuit of control sensitivity.
9. by claim 1 or 3 described burglary protection system for commodities, it is characterized in that numerical analysis system (2.5) adopts Single Chip Microcomputer (SCM) system (2.5), the single-chip microcomputer model is PIC16 F873.
10. press the using method of the described self-help type burglary protection system for commodities of claim 1 or 3, it is characterized in that this method comprises the following steps: that i. installs with whole screws except that providing, connects electric wire and the auxiliary material in the accessories of a product that dispatch from the factory, and have the explanation of remote control debugging step; Ii. the burglary protection system for commodities of selecting at this shop at factory carries out remote control transmitter and encodes one to one; Iii. the onsite user is by the remote control debugging specification, according to the environmental electromagnetic wave degree of disturbance of display screen display lamp reflection, voluntarily with remote control transmitter to product sensitivity debug; Or product sensitivity, receiving mode and frequency hopping are carried out remote control in the lump debug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100495019A CN100501784C (en) | 2007-07-12 | 2007-07-12 | Self-help type burglary protection system for commodities, and method of use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100495019A CN100501784C (en) | 2007-07-12 | 2007-07-12 | Self-help type burglary protection system for commodities, and method of use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101093599A true CN101093599A (en) | 2007-12-26 |
| CN100501784C CN100501784C (en) | 2009-06-17 |
Family
ID=38991836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100495019A Expired - Fee Related CN100501784C (en) | 2007-07-12 | 2007-07-12 | Self-help type burglary protection system for commodities, and method of use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100501784C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847302A (en) * | 2010-04-27 | 2010-09-29 | 广州天网安防科技有限公司 | Infrared anti-theft device and method thereof for automatically transforming modulating frequency |
| CN101719296B (en) * | 2009-11-26 | 2011-07-20 | 上海大学 | Commodity anti-theft detection system emitter capable of outputting selectable 8.2M/10M radio frequency |
| CN106558179A (en) * | 2015-09-24 | 2017-04-05 | 天津厚泽华达科技有限公司 | A kind of supermarket anti-theft detector gate |
-
2007
- 2007-07-12 CN CNB2007100495019A patent/CN100501784C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719296B (en) * | 2009-11-26 | 2011-07-20 | 上海大学 | Commodity anti-theft detection system emitter capable of outputting selectable 8.2M/10M radio frequency |
| CN101847302A (en) * | 2010-04-27 | 2010-09-29 | 广州天网安防科技有限公司 | Infrared anti-theft device and method thereof for automatically transforming modulating frequency |
| CN101847302B (en) * | 2010-04-27 | 2012-01-04 | 广州天网安防科技有限公司 | Infrared anti-theft device and method thereof for automatically transforming modulating frequency |
| CN106558179A (en) * | 2015-09-24 | 2017-04-05 | 天津厚泽华达科技有限公司 | A kind of supermarket anti-theft detector gate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100501784C (en) | 2009-06-17 |
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Granted publication date: 20090617 Termination date: 20120712 |