CN105809871A - Independent alarm device based on RFID technical design - Google Patents
Independent alarm device based on RFID technical design Download PDFInfo
- Publication number
- CN105809871A CN105809871A CN201610261409.8A CN201610261409A CN105809871A CN 105809871 A CN105809871 A CN 105809871A CN 201610261409 A CN201610261409 A CN 201610261409A CN 105809871 A CN105809871 A CN 105809871A
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- Prior art keywords
- foot
- circuit
- electric capacity
- chip
- module
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
- G08B13/2414—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
- G08B13/2417—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags having a radio frequency identification chip
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2431—Tag circuit details
Abstract
The invention discloses an independent alarm device based on RFID technical design.The independent alarm device comprises a processing chip circuit, an indicator light interface circuit, a 2.4 G module circuit, a sound alarm circuit and a power source circuit; the processing chip circuit is connected with the interface circuit, the 2.4 module circuit, the sound alarm circuit and the power source circuit, and the power source circuit is also connected with the 2.4 G module circuit; the processing chip circuit comprises a processing chip U2 and a power supply circuit, the power supply circuit is connected with the processing chip U2 and the power source circuit, the power supply circuit comprises a capacitor C1 and a capacitor C4, the capacitor C1 and the capacitor C4 are connected in parallel and connected with the VCC pin and the GND pin of the processing chip U2 respectively, and the capacitor C1 is connected to the two ends of the power source circuit.By means of the independent alarm device based on RFID technical design, whether alarm operation is conducted or not is determined by identifying an electronic label matched with the alarm device, and the independent alarm device has the advantages of being high in identification signal sensitivity, safe to apply and the like.
Description
Technical field
The present invention relates to technical field of RFID, specifically, be a kind of independent alarm based on RFID technique design.
Background technology
RF identification, RFID (RadioFrequencyIdentification) technology, also known as radio frequency identification, is a kind of communication technology, radio signals identification specific objective can be passed through and read and write related data, without setting up machinery or optical contact between the system of identification and specific objective.
Radio frequency is usually microwave, 1-100GHz, it is adaptable to short distance identification communicates.
Rfid interrogator also divides movable type and fixed, and the application of current RFID technique is very wide, as: library, gate control system, food safety is traced to the source.
Radio-frequency (RF) tag is the physical support of product electronic code (EPC), is attached on traceable article, can circulation worldwide it is identified and reads and writes.RFID (RadioFrequencyIdentification) technology receives the concern of people in recent years as the key technology building " Internet of Things ".RFID technique early originates from Britain, is applied in World War II and distinguishes enemy and we's aircraft identity, and the sixties in 20th century starts commercialization.RFID technique is a kind of automatic identification technology, and after U.S. Department of Defense specifies on January in 2005 1, all military materials will use RFID tag；FDA Food and Drug Administration (FDA) advises that pharmaceutical manufacturer utilized RFID to follow the tracks of the medicine often faked from 2006.A series of action such as Walmart, Metro retail business applying RFID technology have promoted RFID in global application upsurge especially.When 2000, the price of each RFID tag is 1 dollar.Many researcheres think that RFID tag is much more expensive, and only reducing cost could large-scale application.When 2005, the price of each RFID tag is about 12 cents, and the price of present ultrahigh frequency RFID is about 10 cents.Can RFID wants large-scale application, is to reduce RFID tag price on the one hand, bring value-added service after seeing applying RFID on the other hand.The statistical data of statistics office of European Union shows, 2010, there was company's applying RFID technology of 3% in European Union, application distribution identity document and access control, supply chain and inventory tracking, vehicle toll collection, antitheft, produce control, asset management.
RF identification (RFID) is a kind of wireless communication technology, it is possible to by radio signals identification specific objective and read and write related data, without setting up machinery or optical contact between the system of identification and specific objective.
Wireless signal is the electromagnetic field by furnishing radio frequency, and data are sent out from being attached on the label article, with automatic identification with follow the trail of these article.Some label can be obtained by energy when identifying from the electromagnetic field that evaluator sends, and is not required to battery；Also label itself is had to have power supply, it is possible to actively to send radio wave (electromagnetic field of furnishing radio frequency).Label contains the information of Electronic saving, can identify within several meters.With bar code the difference is that, radio-frequency (RF) tag need not be within evaluator sight line, it is also possible to embeds within tracked object.
Summary of the invention
It is an object of the invention to provide a kind of independent alarm based on RFID technique design, a kind of independent alarm based on RFID technique design, can by matched electronic tag be identified, determine whether to carry out operation of reporting to the police, have and identify the characteristics such as signal sensitivity is high, application safety.
The present invention is achieved through the following technical solutions: a kind of independent alarm based on RFID technique design, including processing chip circuit, display lamp interface circuit, 2.4G modular circuit, audible alarm circuit and power circuit, described process chip circuit connects display lamp interface circuit, 2.4G modular circuit, audible alarm circuit and power circuit respectively, and described power circuit is also connected with 2.4G modular circuit.
Further to better implement the present invention, it is specifically arranged to following structure: described process chip circuit includes processing chip U2, power supply circuits, described power supply circuits connect process chip U2 and power circuit respectively, described power supply circuits include electric capacity C1 and electric capacity C4, described electric capacity C1 and electric capacity C4 is in parallel and is connected the VCC foot processing chip U2 and GND foot respectively, the first termination power circuit of described electric capacity C1, the second end ground connection of described electric capacity C1.
Further to better implement the present invention, it is specifically arranged to following structure: described electric capacity C1 adopts the positive pole termination of electrochemical capacitor and electric capacity C1 to process the VCC foot of chip U2.
Further to better implement the present invention, it is specifically arranged to following structure: described audible alarm circuit includes inductance U3, connector P5, audion S1, electric capacity C7, resistance R6,1 foot and 3 feet of described inductance U3 are connected with connector P5, and public 2 feet of inductance U3 are connected with the colelctor electrode of audion S1, the grounded emitter of described audion S1, and the base stage of audion S1 is connected with the crus secunda of resistance R6, first foot of described resistance R6 is connected with the CMP+/P5.5 foot processing chip U2；First foot of described electric capacity C7 is connected with the VCC foot of 1 foot of inductance U3 and process chip U2 respectively, the crus secunda ground connection of described electric capacity C7.
Further to better implement the present invention, it is specifically arranged to following structure: described electric capacity C7 is electrochemical capacitor, and the positive terminal of electric capacity C7 is connected with the VCC foot processing chip U2.
Further to better implement the present invention, it is specifically arranged to following structure: described 2.4G modular circuit includes 1 foot and 2 feet that 2.4G module P7 and electric capacity C11, described electric capacity C11 connect 2.4G module P7 respectively；null2 feet of described 2.4G module P7 connect the positive terminal of electric capacity C7，The 1 foot ground connection of described 2.4G module P7，The 3 foot connections of described 2.4G module P7 process the P1.1/ADC1/CCP0 foot of chip U2，The 4 foot connections of described 2.4G module P7 process the CMPO/ECI/SS/ADC2/P1.2 foot of chip U2，The 5 foot connections of described 2.4G module P7 process the SCLK/ADC5/P1.5 of chip U2，6 feet of described 2.4G module P7 connect the MOSI/ADC3/P1.3 foot of processor chips U2，The 7 foot connections of described 2.4G module P7 process the MISO/ADC4/P1.4 foot of chip U2，The 8 foot connections of described 2.4G module P7 process the P3.3/INT1 foot of chip U2.
Further to better implement the present invention, it is specifically arranged to following structure: described display lamp interface circuit includes connector P2, resistance R1, resistance R2,1 foot of described connector P2 is connected with the P3.1/TXD/T2 foot processing chip U2 by resistance R1, and 3 feet of described connector P2 are by the P3.0/RXD/ of resistance R2 and processor chips U2/ T2CLKO foot connects, and the 2 foot ground connection of described connector P2.
Further to better implement the present invention, it is specifically arranged to following structure: described process chip U2 adopts STC15W408AS_16.
Further to better implement the present invention, described motive power adopts the lithium battery being output as 3.3v.
The present invention compared with prior art, has the following advantages and beneficial effect:
The characteristics such as a kind of independent alarm that the present invention designs based on RFID technique, it is possible to by matched electronic tag is identified, determines whether to carry out operation of reporting to the police, and has identification signal sensitivity high, application safety.
Accompanying drawing explanation
Fig. 1 is process chip circuit figure of the present invention
Fig. 2 is display lamp interface circuit figure of the present invention
Fig. 3 is 2.4G module circuit diagram of the present invention
Fig. 4 is audible alarm circuit diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
A kind of independent alarm based on RFID technique design, as shown in Figure 1, Figure 2, Figure 3, Figure 4, including processing chip circuit, display lamp interface circuit, 2.4G modular circuit, audible alarm circuit and power circuit, described process chip circuit connects display lamp interface circuit, 2.4G modular circuit, audible alarm circuit and power circuit respectively, and described power circuit is also connected with 2.4G modular circuit.
It is powered to process chip circuit, display lamp interface circuit, 2.4G modular circuit, audible alarm circuit by power circuit, 2.4G modular circuit carries out the identification of electronic tag and the information recognized transmission is processed to processor chips circuit, display lamp interface circuit will be issued instructions to when abnormal conditions occur, it is connected to the display lamp on display lamp interface circuit and will send the light of different colours, utilize audible alarm circuit to carry out audible alarm, thus realizing warning function simultaneously；The characteristics such as a kind of independent alarm based on RFID technique design, it is possible to by matched electronic tag is identified, determines whether to carry out operation of reporting to the police, and has identification signal sensitivity high, application safety.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, as shown in Figure 1, Figure 2, Figure 3, Figure 4, it is specifically arranged to following structure: described process chip circuit includes processing chip U2, power supply circuits, described power supply circuits connect process chip U2 and power circuit respectively, described power supply circuits include electric capacity C1 and electric capacity C4, described electric capacity C1 and electric capacity C4 is in parallel and is connected the VCC foot processing chip U2 and GND foot respectively, the first termination power circuit of described electric capacity C1, the second end ground connection of described electric capacity C1.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, as shown in Figure 1, Figure 2, Figure 3, Figure 4, it is specifically arranged to following structure: described electric capacity C1 adopts the positive pole termination of electrochemical capacitor and electric capacity C1 to process the VCC foot of chip U2.
Described electric capacity C1 adopts the electrochemical capacitor of 470uF/10V, and described electric capacity C4 adopts 104Pf patch capacitor.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, it is specifically arranged to following structure: described audible alarm circuit includes inductance U3, connector P5, audion S1, electric capacity C7, resistance R6, 1 foot and 3 feet of described inductance U3 are connected with connector P5, and public 2 feet of inductance U3 are connected with the colelctor electrode of audion S1, the grounded emitter of described audion S1, and the base stage of audion S1 is connected with the crus secunda of resistance R6, first foot of described resistance R6 is connected with the CMP+/P5.5 foot processing chip U2；First foot of described electric capacity C7 is connected with the VCC foot of 1 foot of inductance U3 and process chip U2 respectively, the crus secunda ground connection of described electric capacity C7；Described power circuit adopts the lithium battery being output as 3.3v.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, as shown in Figure 1, Figure 2, Figure 3, Figure 4, it is specifically arranged to following structure: described electric capacity C7 is electrochemical capacitor, and the positive terminal of electric capacity C7 is connected with the VCC foot processing chip U2.
Described inductance U3 adopts ribbon core inductance, and described audion S1 adopts Npn triode S8050, described electric capacity C7 to adopt the electrochemical capacitor of 470uF/10V, and described resistance R6 adopts the Chip-R of 1k.
Embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, as shown in Figure 1, Figure 2, Figure 3, Figure 4, it is specifically arranged to following structure: described 2.4G modular circuit includes 1 foot and 2 feet that 2.4G module P7 and electric capacity C11, described electric capacity C11 connect 2.4G module P7 respectively；null2 feet of described 2.4G module P7 connect the positive terminal of electric capacity C7，The 1 foot ground connection of described 2.4G module P7，The 3 foot connections of described 2.4G module P7 process the P1.1/ADC1/CCP0 foot of chip U2，The 4 foot connections of described 2.4G module P7 process the CMPO/ECI/SS/ADC2/P1.2 foot of chip U2，The 5 foot connections of described 2.4G module P7 process the SCLK/ADC5/P1.5 of chip U2，6 feet of described 2.4G module P7 connect the MOSI/ADC3/P1.3 foot of processor chips U2，The 7 foot connections of described 2.4G module P7 process the MISO/ADC4/P1.4 foot of chip U2，The 8 foot connections of described 2.4G module P7 process the P3.3/INT1 foot of chip U2；Described electric capacity C11 adopts 106Pf patch capacitor.
Embodiment 7:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, as shown in Figure 1, Figure 2, Figure 3, Figure 4, it is specifically arranged to following structure: described display lamp interface circuit includes connector P2, resistance R1, resistance R2,1 foot of described connector P2 is connected with the P3.1/TXD/T2 foot processing chip U2 by resistance R1, and 3 feet of described connector P2 are by the P3.0/RXD/ of resistance R2 and processor chips U2/ T2CLKO foot connects, and the 2 foot ground connection of described connector P2；Described resistance R1 and resistance R2 all adopts 200 Ω Chip-Rs.
Embodiment 8:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, is specifically arranged to following structure: described process chip U2 adopts STC15W408AS_16.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every above example is made according to the technical spirit of the present invention any simple modification, equivalent variations, each fall within protection scope of the present invention.
Claims (9)
1. the independent alarm based on RFID technique design, it is characterized in that: include processing chip circuit, display lamp interface circuit, 2.4G modular circuit, audible alarm circuit and power circuit, described process chip circuit connects display lamp interface circuit, 2.4G modular circuit, audible alarm circuit and power circuit respectively, and described power circuit is also connected with 2.4G modular circuit.
2. a kind of independent alarm based on RFID technique design according to claim 1, it is characterized in that: described process chip circuit includes processing chip U2, power supply circuits, described power supply circuits connect process chip U2 and power circuit respectively, described power supply circuits include electric capacity C1 and electric capacity C4, described electric capacity C1 and electric capacity C4 is in parallel and is connected the VCC foot processing chip U2 and GND foot respectively, the first termination power circuit of described electric capacity C1, the second end ground connection of described electric capacity C1.
3. a kind of independent alarm based on RFID technique design according to claim 2, it is characterised in that: described electric capacity C1 adopts the positive pole termination of electrochemical capacitor and electric capacity C1 to process the VCC foot of chip U2.
4. a kind of independent alarm based on RFID technique design according to claim 3, it is characterized in that: described audible alarm circuit includes inductance U3, connector P5, audion S1, electric capacity C7, resistance R6,1 foot and 3 feet of described inductance U3 are connected with connector P5, and public 2 feet of inductance U3 are connected with the colelctor electrode of audion S1, the grounded emitter of described audion S1, and the base stage of audion S1 is connected with the crus secunda of resistance R6, first foot of described resistance R6 is connected with the CMP+/P5.5 foot processing chip U2；First foot of described electric capacity C7 is connected with the VCC foot of 1 foot of inductance U3, power circuit and process chip U2 respectively, the crus secunda ground connection of described electric capacity C7.
5. a kind of independent alarm based on RFID technique design according to claim 4, it is characterised in that: described electric capacity C7 is electrochemical capacitor, and the positive terminal of electric capacity C7 is connected with the VCC foot processing chip U2.
6. a kind of independent alarm based on RFID technique design according to claim 5, it is characterised in that: described 2.4G modular circuit includes 1 foot and 2 feet that 2.4G module P7 and electric capacity C11, described electric capacity C11 connect 2.4G module P7 respectively；null2 feet of described 2.4G module P7 connect the positive terminal of electric capacity C7，The 1 foot ground connection of described 2.4G module P7，The 3 foot connections of described 2.4G module P7 process the P1.1/ADC1/CCP0 foot of chip U2，The 4 foot connections of described 2.4G module P7 process the CMPO/ECI/SS/ADC2/P1.2 foot of chip U2，The 5 foot connections of described 2.4G module P7 process the SCLK/ADC5/P1.5 of chip U2，6 feet of described 2.4G module P7 connect the MOSI/ADC3/P1.3 foot of processor chips U2，The 7 foot connections of described 2.4G module P7 process the MISO/ADC4/P1.4 foot of chip U2，The 8 foot connections of described 2.4G module P7 process the P3.3/INT1 foot of chip U2.
7. a kind of independent alarm based on RFID technique design according to claim 6, it is characterized in that: described display lamp interface circuit includes connector P2, resistance R1, resistance R2,1 foot of described connector P2 is connected with the P3.1/TXD/T2 foot processing chip U2 by resistance R1, and 3 feet of described connector P2 are by resistance R2 and processor chips U2's Foot connects, and the 2 foot ground connection of described connector P2.
8. a kind of independent alarm based on RFID technique design according to any one of claim 2-7, it is characterised in that: described process chip U2 adopts STC15W408AS_16.
9. a kind of independent alarm based on RFID technique design according to any one of claim 2-7, it is characterised in that: described power circuit adopts the lithium battery being output as 3.3v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261409.8A CN105809871A (en) | 2016-04-25 | 2016-04-25 | Independent alarm device based on RFID technical design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261409.8A CN105809871A (en) | 2016-04-25 | 2016-04-25 | Independent alarm device based on RFID technical design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105809871A true CN105809871A (en) | 2016-07-27 |
Family
ID=56457564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610261409.8A Withdrawn CN105809871A (en) | 2016-04-25 | 2016-04-25 | Independent alarm device based on RFID technical design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105809871A (en) |
-
2016
- 2016-04-25 CN CN201610261409.8A patent/CN105809871A/en not_active Withdrawn
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Application publication date: 20160727 |
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