CN110047262A - A kind of infrared position detecting system of sales field SKU - Google Patents
A kind of infrared position detecting system of sales field SKU Download PDFInfo
- Publication number
- CN110047262A CN110047262A CN201910419246.5A CN201910419246A CN110047262A CN 110047262 A CN110047262 A CN 110047262A CN 201910419246 A CN201910419246 A CN 201910419246A CN 110047262 A CN110047262 A CN 110047262A
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- infrared
- sku
- singlechip
- sales field
- signal
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- 238000004891 communication Methods 0.000 claims abstract description 26
- 230000001133 acceleration Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000002082 fibula Anatomy 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention proposes a kind of infrared position detecting system of sales field SKU, including transmitting terminal, receiving end；Transmitting terminal is arranged in outside the SKU in sales field, including acceleration transducer, first singlechip and infrared launcher；When SKU is in moving process, acceleration transducer constantly acquires SKU acceleration information and is sent to first singlechip, and after first singlechip is waken up, driving infrared launcher emits infrared signal；Receiving end includes infrared receiving device, second singlechip and communication module；Infrared receiving device receives the infrared signal that infrared launcher issues and is sent to second singlechip, and second singlechip is by received data forwarding to backstage inspection center；For the same SKU, backstage inspection center obtains the data about the SKU that the receiving end of different location uploads, and is positioned by the way of multipoint positioning to corresponding SKU according to the location information of multiple receiving ends.The present invention solves the problems, such as that hard mark is easily lost at present and damage rate of goods is higher by the Fast Position Measurement to SKU.
Description
Technical field
The present invention relates to article position monitoring technical field, especially a kind of infrared position detecting system of sales field SKU.
Background technique
In front, sales field is by sticking electronic label or one on some biggish SKU mostly to the detection of SKU
The band magnetic device of a little fibula formulas, that is, the hard mark being commonly called as, then these SKU only when by the loss prevention door of supermarket,
The inside, which can be navigated to, SKU.Therefore, this monitoring technology has the following deficiencies:
(1) when a SKU is moved to another position by consumer, tally-man needs to rake about just find SKU
Position.For a part of commodity, such as fresh freezing and refrigeration product is equal to directly wave after placing corner for a period of time
Take, damage rate of goods is higher.
(2) positioning device on doorway is relied only on, positioning accuracy is limited.
(3) label or hard mark are easily lost, and are not easy to reuse.
(4) user can not be captured to SKU favorable rating, and adjust restocking product in time according to user demand.
Summary of the invention
Goal of the invention: to overcome the shortcomings of existing technologies, the present invention proposes a kind of infrared position detecting system of sales field SKU,
The system is able to solve hard mark at present and is easily lost and the higher problem of damage rate of goods.The data obtained by the system can and
When feedback into market seller's hand, the frequency that seller can be moved according to SKU knows the hobby of user, adjusts upper undercarriage in time
SKU。
Technical solution: in order to realize the above technical effect, technical solution proposed by the present invention are as follows:
A kind of infrared position detecting system of sales field SKU, including transmitting terminal, receiving end；
Transmitting terminal is arranged in outside the SKU in sales field, including acceleration transducer, first singlechip and infrared emission dress
It sets；When SKU is remain stationary, first singlechip is in a dormant state；When SKU is in moving process, acceleration transducer is constantly adopted
Collect SKU acceleration information, and export after acceleration information is converted to electric signal to first singlechip, first singlechip is called out
Wake up, first singlechip by the identity information of the signal received and the SKU of itself storage according to it is preset with receiving end it
Between serial port communicating protocol encoded, and be sent to infrared launcher, infrared emission for encoded signal as driving signal
Device emits infrared signal under driving；
Receiving end be it is multiple, multiple receiving ends are distributed in the top of sales field, including infrared receiving device, second singlechip and
Communication module；Infrared receiving device receives the infrared signal that infrared launcher issues, and is then converted to infrared signal
Electric signal is sent to second singlechip, and second singlechip parses the signal received according to serial port communicating protocol, and will deposit in advance
The own location information of storage and the signal received pass through communication module together and are sent to backstage inspection center；
For the same SKU, backstage inspection center obtains the data about the SKU that the receiving end of different location uploads,
Corresponding SKU is positioned by the way of multipoint positioning according to the location information of multiple receiving ends.
Further, the circuit structure of the infrared launcher includes: triode, infrared transmitting tube；First singlechip
Output signal send to the base stage of triode, the electric current formed after triode amplifies is formed just between infrared transmitting tube the two poles of the earth
To bias, infrared light is excited.
Further, the infrared receiving device include: infrared receiving tube, operational amplifier, comparator, resistance R1 extremely
R3；Infrared receiving tube receives infrared signal, and the homophase input of operational amplifier terminates infrared receiving tube output end, reverse input end
It being grounded by resistance R1, the output end of operational amplifier feeds back the inverting input terminal to operational amplifier by resistance R1 and R2,
Constitute series voltage negtive backword amplifying circuit；The output of operational amplifier terminates to the inverting input terminal of comparator, comparator
Noninverting input inputs comparison voltage, and the output end of comparator is pulled up by R3 resistance, and the signal of comparator output is square wave letter
Number.
Further, the multiple receiving end is distributed at the top of sales field in array shape.
Further, the communication module is wire communication module or wireless communication module.
Further, the communication module is bluetooth module, 3G/4G module or wifi module.
Further, the communication module is Zigbee module, and the Zigbee module of each receiving end collectively forms wirelessly
Mesh network, each Zigbee module in wireless mesh network are used as terminal node and routing node simultaneously.
Further, the model N76E003AQ20 of first, second single-chip microcontroller.
Further, the comparison voltage is 2.5V.
Further, the acceleration transducer is three axis accelerometer.
The utility model has the advantages that compared with prior art, present invention has the advantage that
The present invention can be realized the position SKU and quickly detect, and the current hard mark of solution, which is easily lost, and damage rate of goods is higher asks
Topic；The data of acquisition can timely be fed back into market seller's hand, and the frequency that seller can be moved according to SKU knows user's
Hobby adjusts upper undercarriage SKU in time.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention；
Fig. 2 is the circuit diagram of infrared launcher；
Fig. 3 is single chip machine controlling circuit figure；
Fig. 4 is three axis accelerometer circuit diagram；
Fig. 5 is the circuit diagram of infrared receiving device.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
Fig. 1 show overall structure figure of the invention, comprising: transmitting terminal, receiving end；
Transmitting terminal is arranged in outside the SKU in sales field, including acceleration transducer, first singlechip and infrared emission dress
It sets；When SKU is remain stationary, first singlechip is in a dormant state；When SKU is in moving process, acceleration transducer is constantly adopted
Collect SKU acceleration information, and export after acceleration information is converted to electric signal to first singlechip, first singlechip is called out
Wake up, first singlechip by the identity information of the signal received and the SKU of itself storage according to it is preset with receiving end it
Between serial port communicating protocol encoded, and be sent to infrared launcher, infrared emission for encoded signal as driving signal
Device emits infrared signal under driving；
Receiving end be it is multiple, multiple receiving ends are distributed in the top of sales field, including infrared receiving device, second singlechip and
Communication module；Infrared receiving device receives the infrared signal that infrared launcher issues, and is then converted to infrared signal
Electric signal is sent to second singlechip, and second singlechip parses the signal received according to serial port communicating protocol, and will deposit in advance
The own location information of storage and the signal received pass through communication module together and are sent to backstage inspection center；
For the same SKU, backstage inspection center obtains the data about the SKU that the receiving end of different location uploads,
Corresponding SKU is positioned by the way of multipoint positioning according to the location information of multiple receiving ends.As long as a SKU is being moved
Dynamic, the three axis accelerometer of transmitting terminal will constantly acquire its mobile data and be sent to receiving end, and receiving end is not by concluding
Position, finally can get the mobile route of the SKU, administrative staff can judge this SKU whether also in sales field according to mobile route
(not bought), if i.e. can follow mobile route finds the SKU to administrative staff also in sales field.
Below by the specific embodiment technical solution that the present invention is further explained.
Transmitting terminal: in the present embodiment, acceleration transducer is preferably three axis accelerometer, three axis accelerometer LIS3DH's
Structure is as shown in Figure 4.On the other hand, sales field administrative staff can judge that those SKU are frequently moved by data, and then sentence
The hobby of disconnected user adjusts upper undercarriage SKU in time.The circuit of infrared launcher is as shown in Figure 2, comprising: NPN type triode
SS8050, infrared transmitting tube D1, pull-up resistor R5, resistance R6, resistance R7, capacitor C9；The base series electricity of triode SS8050
R6 is hindered, the output end of another termination first singlechip of R6, R7 is in parallel with C9, and parallel branch one end connects the defeated of first singlechip
Outlet, other end ground connection, the emitter ground connection of triode SS8050, collector connect the cathode of infrared transmitting tube D1, infrared emission
The anode of pipe D1 connects 3V supply voltage.The electric operation control circuit figure of first singlechip as shown in figure 3, first singlechip model
N76E003AQ20.Fig. 2, Fig. 3, Fig. 4 collectively form the transmitting terminal circuit.In the circuit designed herein, first singlechip
The signal transmission of N76E003AQ20 control system, power consumption mode.Three axis accelerometer LIS3DH detects acceleration information, if
Vibration sends interrupt signal to first singlechip, sends driving signal to infrared launcher after first singlechip wake-up, infrared
The electric signal that SS8050 sends first singlechip in emitter circuit amplifies, and the electric current formed after amplification is in infrared transmitting tube
Forward bias is formed between the two poles of the earth, excites infrared light, and the electric signal that single-chip microcontroller is sent is sent according to universal serial port communications protocol, is turned
After turning to infrared signal, recipient can parse information according to universal serial port communications protocol.
Receiving end is using the circuit topology of Fig. 2 to 4, it can be achieved that suspend mode and wake-up, reach low-power consumption purpose, using general string
Mouth communications protocol, versatility are stronger.
Receiving end: in the present embodiment, second singlechip is identical as first singlechip model, and communication module is wifi module,
The circuit of the infrared receiving device of receiving end is as shown in figure 5, include infrared receiving tube, operational amplifier TLV9064, comparator
LM339, resistance R1 to R3；The homophase input termination infrared tube of TLV9064 amplifier receives signal in circuit, and reverse input end passes through
Resistance R1 ground connection, the output of amplifier constitute series voltage negtive backword by the inverting input terminal of resistance R1 and R2 feedback to amplifier
Amplifying circuit.The output of amplifier terminates to the inverting input terminal of LM339 comparator, and the noninverting input of comparator is more electric
Pressure, comparison voltage 2.5V.The output end of comparator is pulled up by R3 resistance, and the square-wave signal of output can be believed according to infrared receiver
Number become square-wave signal.
Using infrared receiving device circuit shown in fig. 5, the infrared signal of faint infrared signal and high speed can receive, lead to
Oversampling circuit is transformed into digital square-wave, can receive the signal of 115200HZ at present.
Further, the multiple receiving end is distributed at the top of sales field in array shape.
Further, the communication module is wire communication module or wireless communication module, and wireless communication module specifically wraps
Bluetooth module, 3G/4G module or wifi module, Zigbee module are included, when communication module uses Zigbee module, each reception
The Zigbee module at end collectively forms wireless mesh network, and each Zigbee module in wireless mesh network is used as terminal simultaneously
Node and routing node.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of infrared position detecting system of sales field SKU, which is characterized in that including transmitting terminal, receiving end；
Transmitting terminal is arranged in outside the SKU in sales field, including acceleration transducer, first singlechip and infrared launcher；SKU
When remaining stationary, first singlechip is in a dormant state；When SKU is in moving process, acceleration transducer constantly acquires SKU and adds
Speed data, and export after acceleration information is converted to electric signal to first singlechip, first singlechip is waken up, and first is single
Piece machine leads to the identity information of the signal received and the SKU of itself storage according to the preset serial ports between receiving end
News agreement is encoded, and is sent to infrared launcher for encoded signal as driving signal, and infrared launcher is driving
Lower transmitting infrared signal；
Receiving end be it is multiple, multiple receiving ends are distributed in the top of sales field, including infrared receiving device, second singlechip and communication
Module；Infrared receiving device receives the infrared signal that infrared launcher issues, and infrared signal is then converted to telecommunications
It number is sent to second singlechip, second singlechip parses the signal received according to serial port communicating protocol, and will be pre-stored
Own location information and the signal received pass through communication module together and are sent to backstage inspection center；
For the same SKU, backstage inspection center obtains the data about the SKU that the receiving end of different location uploads, according to
The location information of multiple receiving ends positions corresponding SKU by the way of multipoint positioning.
2. a kind of infrared position detecting system of sales field SKU according to claim 1, which is characterized in that the infrared emission
The circuit structure of device includes: triode, infrared transmitting tube；The output signal of first singlechip is sent to the base stage of triode, warp
The electric current formed after triode amplification forms forward bias between infrared transmitting tube the two poles of the earth, excites infrared light.
3. a kind of infrared position detecting system of sales field SKU according to claim 2, which is characterized in that the infrared receiver
Device includes: infrared receiving tube, operational amplifier, comparator, resistance R1 to R3；Infrared receiving tube receives infrared signal, operation
The homophase input of amplifier terminates infrared receiving tube output end, and reverse input end is grounded by resistance R1, operational amplifier it is defeated
Outlet feeds back the inverting input terminal to operational amplifier by resistance R1 and R2, constitutes series voltage negtive backword amplifying circuit；Fortune
The output for calculating amplifier terminates to the inverting input terminal of comparator, and the noninverting input of comparator inputs comparison voltage, comparator
Output end pulled up by R3 resistance, comparator output signal be square-wave signal.
4. a kind of infrared position detecting system of sales field SKU according to claim 3, which is characterized in that the multiple reception
It holds and is distributed at the top of sales field in array shape.
5. a kind of infrared position detecting system of sales field SKU according to claim 3, which is characterized in that the communication module
For wire communication module or wireless communication module.
6. a kind of infrared position detecting system of sales field SKU according to claim 5, which is characterized in that the wireless communication
Module is bluetooth module, 3G/4G module or wifi module.
7. a kind of infrared position detecting system of sales field SKU according to claim 5, which is characterized in that the wireless communication
Module is Zigbee module, and the Zigbee module of each receiving end collectively forms wireless mesh network, in wireless mesh network
Each Zigbee module is used as terminal node and routing node simultaneously.
8. a kind of infrared position detecting system of sales field SKU according to claim 3, which is characterized in that described first, second
The model N76E003AQ20 of single-chip microcontroller.
9. a kind of infrared position detecting system of sales field SKU according to claim 3, which is characterized in that the comparison voltage
For 2.5V.
10. a kind of infrared position detecting system of sales field SKU according to claim 3, which is characterized in that the acceleration passes
Sensor is three axis accelerometer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910419246.5A CN110047262A (en) | 2019-05-20 | 2019-05-20 | A kind of infrared position detecting system of sales field SKU |
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| CN201910419246.5A CN110047262A (en) | 2019-05-20 | 2019-05-20 | A kind of infrared position detecting system of sales field SKU |
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| CN201910419246.5A Pending CN110047262A (en) | 2019-05-20 | 2019-05-20 | A kind of infrared position detecting system of sales field SKU |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420364A (en) * | 2001-11-21 | 2003-05-28 | 上海奥达光电子科技有限公司 | Method and system for measuring position of indoor moving body |
| CN101681549A (en) * | 2008-03-11 | 2010-03-24 | 松下电器产业株式会社 | Tag sensor system and sensor device, and object position estimating device and object position estimating method |
| CN102981142A (en) * | 2011-09-02 | 2013-03-20 | 原相科技股份有限公司 | Optical positioning system |
| CN103823204A (en) * | 2014-03-10 | 2014-05-28 | 北京理工大学 | Indoor positioning method based on visible light label |
| CN204334554U (en) * | 2014-11-21 | 2015-05-13 | 广州中国科学院沈阳自动化研究所分所 | A kind of label for real-time positioning system |
| CN205139966U (en) * | 2015-09-15 | 2016-04-06 | 佛山市高卡氏智能科技有限公司 | Novel magnetism of active is detained |
| CN106405497A (en) * | 2016-06-08 | 2017-02-15 | 武汉湾流科技股份有限公司 | Location label |
| CN108347717A (en) * | 2018-01-19 | 2018-07-31 | 谭兆 | Indoor article tracking location system based on RFID and camera |
| CN109482506A (en) * | 2018-11-02 | 2019-03-19 | 冯军强 | Kinds of goods Automated Sorting System, method, computer equipment and storage medium |
| CN109522766A (en) * | 2018-12-06 | 2019-03-26 | 成都理工大学 | A kind of system that the direction of motion is detected by low power consumption active electronic lag |
| US20190142525A1 (en) * | 2017-11-15 | 2019-05-16 | Stryker Corporation | High Bandwidth And Low Latency Hybrid Communication Techniques For A Navigation System |
-
2019
- 2019-05-20 CN CN201910419246.5A patent/CN110047262A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420364A (en) * | 2001-11-21 | 2003-05-28 | 上海奥达光电子科技有限公司 | Method and system for measuring position of indoor moving body |
| CN101681549A (en) * | 2008-03-11 | 2010-03-24 | 松下电器产业株式会社 | Tag sensor system and sensor device, and object position estimating device and object position estimating method |
| CN102981142A (en) * | 2011-09-02 | 2013-03-20 | 原相科技股份有限公司 | Optical positioning system |
| CN103823204A (en) * | 2014-03-10 | 2014-05-28 | 北京理工大学 | Indoor positioning method based on visible light label |
| CN204334554U (en) * | 2014-11-21 | 2015-05-13 | 广州中国科学院沈阳自动化研究所分所 | A kind of label for real-time positioning system |
| CN205139966U (en) * | 2015-09-15 | 2016-04-06 | 佛山市高卡氏智能科技有限公司 | Novel magnetism of active is detained |
| CN106405497A (en) * | 2016-06-08 | 2017-02-15 | 武汉湾流科技股份有限公司 | Location label |
| US20190142525A1 (en) * | 2017-11-15 | 2019-05-16 | Stryker Corporation | High Bandwidth And Low Latency Hybrid Communication Techniques For A Navigation System |
| CN108347717A (en) * | 2018-01-19 | 2018-07-31 | 谭兆 | Indoor article tracking location system based on RFID and camera |
| CN109482506A (en) * | 2018-11-02 | 2019-03-19 | 冯军强 | Kinds of goods Automated Sorting System, method, computer equipment and storage medium |
| CN109522766A (en) * | 2018-12-06 | 2019-03-26 | 成都理工大学 | A kind of system that the direction of motion is detected by low power consumption active electronic lag |
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