CN206877345U - A kind of stock control device based on RFID technique - Google Patents
A kind of stock control device based on RFID technique Download PDFInfo
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- CN206877345U CN206877345U CN201720174756.7U CN201720174756U CN206877345U CN 206877345 U CN206877345 U CN 206877345U CN 201720174756 U CN201720174756 U CN 201720174756U CN 206877345 U CN206877345 U CN 206877345U
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- rfid label
- label tag
- random number
- control device
- read write
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Abstract
The utility model discloses a kind of stock control device based on RFID technique, including：The host computer of multiple RFID label tags, more RFID label tag read write lines and load store storage information database；More RFID label tag read write lines, for carrying out radio communication with multiple RFID label tags, and the data after read-write are updated in the storage storage information database of host computer loading.In general, by the contemplated above technical scheme of the utility model compared with prior art, due to taking more RFID label tag read write lines, and employ the RFID label tag that can solve multiple RFID label tags reading collision problems, so as to realize the operationies on incoming and outgoing inventory of lot cargo and make an inventory in batches at a distance, the following beneficial effect significantly saved human cost, improve warehousing management efficiency can be obtained.
Description
Technical field
The utility model belongs to communication technical field, more particularly, to a kind of stock control device.
Background technology
The stock control work in traditional warehouse is by having been manually done, although can be by scanning record or RFID
Label record aids in manual work.
The shortcomings that in order to overcome traditional stock control device, commercially start reference less identification devices class and help to manage production
The stock of product.This progress is expected during manufacture or when product is stored in warehouse to adhere to radio frequency identification (RFID) label
Onto product.Each RFID label tag includes an integrated circuit (IC), and it enables label to have unique identifier.Institute
With, such as when product takes out or is placed on the retail shelf from warehouse, product can be scanned, and provide comprehensive stock.And
And RFID tag technology is expected to provide the distribution stock control between manufacturer and retailer.For example, product is being sold every time
The information being stored in the RFID label tag of product can be used when being sold at business, manufacturer is reminded by internet.Manufacture
Then business forecasts supplement list to retailer using this information, to prevent situation in short supply.
Although above-mentioned RFID label tag exploitation helps to overcome some shortcomings of traditional permanent type stock control device, so
And the goods of batch go out storage record and make an inventory stock when, cost of labor is still higher, after stock's managing device,
Efficiency improves limited.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of storehouse based on RFID technique
Managing device is deposited, its object is to read and write multiple RFID label tags in a short time by more RFID label tag read write lines, realizes batch
Be put in storage and make an inventory, thus solve prior art in terms of storage record and the stock that makes an inventory is gone out, cost of labor remains high, and efficiency carries
High limited technical problem.
To achieve the above object, according to one side of the present utility model, there is provided a kind of stock based on RFID technique
Managing device, it is characterised in that including：
The host computer of multiple RFID label tags, more RFID label tag read write lines and load store storage information database；
The RFID label tag, include antenna, coupling element, chip, internal counter and tandom number generator；The inside
Counter and tandom number generator are connected with the chip respectively, and the antenna is connected by coupling element with chip；It is described
RFID label tag carries out radio communication by the antenna and the read write line；The internal counter is used to be marked according to the RFID
Communication instruction between label and read write line is counted；The tandom number generator is used for according to the RFID label tag and read write line
Between communication instruction produce random number；
More RFID label tag read write lines, for carrying out radio communication with multiple RFID label tags, and by after read-write
Data are updated in the storage storage information database of host computer loading.
Preferably, the stock control device, its more RFID label tag read write line, for being carried out with multiple RFID label tags
Radio communication, including selector, controller and read write line；The selector, the random number for reading the RIFD labels are produced
Random number caused by raw device, and the RFID label tag of single selection predetermined random number makees read operation or the write operation object of read write line：
When selector is chosen successfully, then unchecked RFID label tag device is produced random number and continue to select；When selector selects to fail
When, then reselect the RFID label tag；Controller is used to control the multiple RFID to mark according to the selection result of selector
Label；The data in the RFID label tag are read, or data are write to the RFID label tag.
Preferably, the stock control device, it, which stores storage information database, includes：Logistics information, go out to be put in storage information,
Storage condition and collapse state.
Preferably, the stock control device, after its logistics information is including the logistics track before storage and outbound
Logistics track.
Preferably, the stock control device, it, which goes out, is put in storage information, including the entry time of every sample article, outbound time.
Preferably, the stock control device, its condition of storing in a warehouse include temperature, humidity, illumination condition and packaging and added
Gu grading.
Preferably, the stock control device, its collapse state include intact and damage.
Preferably, the stock control device, its more RFID label tag read write line are communicated with RFID label tag based on RFID protocol,
Perceived distance is at 2.5 meters to 3.5 meters.
Preferably, the stock control device, its RFID label tag are active RFID tag.
Preferably, the stock control device, random number caused by its tandom number generator are the first random number or second
Random number, first random number and the second random number are two different numerical value.
In general, by the contemplated above technical scheme of the utility model compared with prior art, it is more due to taking
RFID label tag read write line, and the RFID label tag that can solve multiple RFID label tags reading collision problems is employed, so as to be implemented as
The operationies on incoming and outgoing inventory of shipments and make an inventory in batches at a distance, can obtain it is following significantly save human cost, improve storage pipe
Manage the beneficial effect of efficiency.
Brief description of the drawings
Fig. 1 is the stock control structure drawing of device provided by the utility model based on RFID technique；
Fig. 2 is RFDI label constructions schematic diagram provided by the utility model.
Fig. 3 is multiple RFID label tags and more RFID label tag read write line reading/writing method flow charts.
In all of the figs, identical reference is used for representing identical element or structure, wherein：1 is RFID label tag,
2 be more RFID label tag read write lines, and 3 be host computer,
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict each other, can is mutually combined.
Stock control device provided by the utility model based on RFID technique, as shown in figure 1, being marked including multiple RFID
The host computer of label, more RFID label tag read write lines and load store storage information database；
The RFID label tag, as shown in Fig. 2 being produced comprising antenna, coupling element, chip, internal counter and random number
Device；The internal counter and tandom number generator are connected with the chip respectively, and the antenna passes through coupling element and chip
It is connected；The RFID label tag carries out radio communication by the antenna and the read write line；The internal counter is used for basis
Communication instruction between the RFID label tag and read write line is counted；The tandom number generator is used to be marked according to the RFID
Communication instruction between label and read write line produces random number；Random number caused by the tandom number generator be the first random number or
Second random number, first random number and the second random number are two different numerical value.
More RFID label tag read write lines, for carrying out radio communication, including selector, control with multiple RFID label tags
Device and read write line processed；The selector, for reading random number caused by the tandom number generator of the RIFD labels, and it is single
The RFID label tag of selection predetermined random number makees read operation or the write operation object of read write line：When selector is chosen successfully, then make
Unchecked RFID label tag device, which produces random number, to be continued to select；When selector selects failure, then make the RFID label tag again
Selection；Controller is used to control the multiple RFID label tag according to the selection result of selector；Read in the RFID label tag
Data, or write data to the RFID label tag.
The host computer, the database of storage include：Logistics information, go out to be put in storage information, storage condition and damage shape
State；The logistics information includes the logistics track before storage and the logistics track after outbound；It is described to go out to be put in storage information,
Entry time, outbound time including every sample article；The storage condition includes temperature, humidity, illumination condition and packaging and added
Gu grading；The collapse state includes intact and damage.
More RFID label tag read write lines are communicated with RFID label tag based on RFID protocol, and perceived distance is at 2.5 meters to 3.5
Rice, go out the goods of storage, and the stock that makes an inventory in batch for controlling；It is preferred that use active RFID tag.
More RFID label tag read write lines, for carrying out radio communication with multiple RFID label tags, and by after read-write
Data are updated in the storage storage information database of host computer loading.
General RFID label tag read write line and RFID label tag reading/writing distance in typically read-write scope in 0~10cm, at a distance
Tag read-write equipment reads and writes scope in 60cm or so.It is a certain that such reading/writing distance can control RFID tag read-write equipments precisely to identify
Label, but such reading/writing distance, for batch is put in storage, individually read-write is wasted time and energy, it is necessary to batch goods is split,
Read and write successively.During stock-taking, because storage location is high, the inventory procedure closely read is needed with the RFID marks for holding movement
Label read write line presses close to article successively, is otherwise difficult to precisely identify.Go out storage due to more than and inventory procedure is complicated, cost of labor is huge
Greatly, therefore using the stock control device of ordinary RFID tag, in terms of advantage is mainly reflected in information, in human cost
Save simultaneously unobvious.
The utility model passes through the craft realized batch in-out-storehouse management, simplify link of making an inventory to save human cost
Operation, using more RFID label tag read write lines, multiple RFID label tags are once read and write, simplify link and save flow, it is preferred to use long-range,
Active RFID label tag can read RFID label tag in 2.5 meters to 3.5 meters batches so that self-contained article operationies on incoming and outgoing inventory need not be torn open
Divide, close to article, and in an a wide range of interior read write tag information.When making an inventory, the climbing up and down that can also reduce the personnel of making an inventory is lived
It is dynamic, personnel's amount of labour is reduced, avoids falling hazard.
As shown in figure 3, the multiple RFID label tag and more RFID label tag read write lines, are written and read according to method once
Operation：
S1, the RFID label tag for needing to carry out data exchange is arranged to state to be identified, and its internal counter set
For 0；The RFID label tag at least two for needing to carry out data exchange；
S2, if the RFID label tag in state to be identified, then it is all in states to be identified and internal counter be 0
RFID label tag to read write line send identification code；
Normally, the identification code of the RFID label tag is unique electronic code that the RFID label tag has.Such as can
To be encoded using EPC.Preferably, the information of EPC codings can include：Production firm's code name, client's code name, species numbering and
Serial number.
If the number for the identification code that S3, the read write line receive is more than 1, to all in state to be identified
RFID label tag sends and unsuccessfully ordered；If the number for the identification code that the read write line receives is 1, S7 is gone to step；
S4, if to receive the internal counter of the RFID label tag unsuccessfully ordered be not 0, the inside of the RFID label tag
Counter adds 1；If the internal counter for receiving the RFID label tag unsuccessfully ordered is 0, the RFID label tag produces first
Random number or the second random number；
If random number caused by S5, the RFID label tag is the first random number, the RFID marks of the first random number are produced
The internal counter of label remains 0, and sends identification code to read write line again, and goes to step S3；If the RFID label tag
Caused random number is the second random number, then the internal counter for producing the RFID label tag of the second random number adds 1, and goes to step
S6；
Specifically, first random number is different with the value of the second random number, is only used for playing a part of differentiation, to it
Specific value is not construed as limiting.Such as first random number is 1, second random number is 0；Or first random number is
0, second random number is 1.As long as meet the value difference of the first random number and the second random number.In the utility model
In embodiment in corresponding accompanying drawing, using first random number as 0, second random number illustrates exemplified by being 1.
If random number caused by S6, all RFID label tags is the second random number, read write line is in all
The RFID label tag of state to be identified sends success command, the RFID label tag of all states to be identified for receiving success command it is interior
Portion's counter subtracts 1, and goes to step S2；
If S7, the read write line are not properly received the identification code of the RFID label tag, the read write line sends one
Individual to retransmit order, the RFID label tag sends identification code to read write line, and goes to step S7；It is properly received if the read write line connects
To the identification code of the RFID label tag, then the data exchange command for including the identification code is sent, the RFID tag arrives
After the data exchange command, data exchange is carried out into data exchange state and the read write line, institute after the completion of data exchange
State RFID label tag and be updated to identification state；The read write line sends success command, all to receive the to be identified of success command
The internal counter of the RFID label tag of state subtracts 1；
In this step, further, if the read write line sends the number for retransmitting order more than given threshold (generally
The span of the given threshold is 3-10), then go to step S2；
Further, for data exchange command described in this step to read data command, the data exchange is the read-write
Device reads data from the RFID label tag；Or the data exchange command is writes data command, the data exchange is described
Read write line writes data to the RFID label tag.
If S8, the internal counter of only one RFID label tag are equal to 1 and return to response, S7 is gone to step；Otherwise turn
Step S3.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. stock control device based on RFID technique, it is characterised in that including：The host computer of multiple RFID label tags, more RFID label tag read write lines and load store storage information database；The RFID label tag, include antenna, coupling element, chip, internal counter and tandom number generator；The count internal Device and tandom number generator are connected with the chip respectively, and the antenna is connected by coupling element with chip；The RFID marks Label carry out radio communication by the antenna and the read write line；The internal counter is used for according to the RFID label tag and reading The communication instruction write between device is counted；The tandom number generator is used for according between the RFID label tag and read write line Communication instruction produces random number；More RFID label tag read write lines, for carrying out radio communications with multiple RFID label tags, and by the data after read-write It is updated in the storage storage information database of host computer loading.
- 2. stock control device as claimed in claim 1, it is characterised in that more RFID label tag read write lines, for it is more The individual RFID label tag carries out radio communication, including selector, controller and read write line；The selector, it is described for reading Random number caused by the tandom number generator of RIFD labels, and the RFID label tag of single selection predetermined random number makees the reading of read write line Operation or write operation object：When selector is chosen successfully, then unchecked RFID label tag device is produced random number and continue to select； When selector selects failure, then reselect the RFID label tag；Controller is used for the selection result control according to selector Make the multiple RFID label tag；The data in the RFID label tag are read, or data are write to the RFID label tag.
- 3. stock control device as claimed in claim 1, it is characterised in that the storage storage information database includes：Thing Stream information, go out to be put in storage information, storage condition and collapse state.
- 4. stock control device as claimed in claim 3, it is characterised in that the logistics information includes the logistics before storage Logistics track after track and outbound.
- 5. stock control device as claimed in claim 3, it is characterised in that it is described to go out to be put in storage information, including every sample article Entry time, outbound time.
- 6. stock control device as claimed in claim 3, it is characterised in that the storage condition includes temperature, humidity, illumination Condition and packaging reinforce grading.
- 7. stock control device as claimed in claim 3, it is characterised in that the collapse state includes intact and damage.
- 8. stock control device as claimed in claim 1, it is characterised in that more RFID label tag read write lines and RFID label tag Communicated based on RFID protocol, perceived distance is at 2.5 meters to 3.5 meters.
- 9. stock control device as claimed in claim 8, it is characterised in that the RFID label tag is active RFID tag.
- 10. stock control device as claimed in claim 1, it is characterised in that random number caused by the tandom number generator For the first random number or the second random number, first random number and the second random number are two different numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174756.7U CN206877345U (en) | 2017-02-24 | 2017-02-24 | A kind of stock control device based on RFID technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174756.7U CN206877345U (en) | 2017-02-24 | 2017-02-24 | A kind of stock control device based on RFID technique |
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| CN206877345U true CN206877345U (en) | 2018-01-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997479A (en) * | 2017-02-24 | 2017-08-01 | 武汉市龙腾创科技有限公司 | A kind of inventory management system based on RFID technique |
| CN114936568A (en) * | 2022-07-25 | 2022-08-23 | 浙江大学 | Hotel linen management method and system based on RFID through channel machine |
-
2017
- 2017-02-24 CN CN201720174756.7U patent/CN206877345U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997479A (en) * | 2017-02-24 | 2017-08-01 | 武汉市龙腾创科技有限公司 | A kind of inventory management system based on RFID technique |
| CN114936568A (en) * | 2022-07-25 | 2022-08-23 | 浙江大学 | Hotel linen management method and system based on RFID through channel machine |
| CN114936568B (en) * | 2022-07-25 | 2022-10-21 | 浙江大学 | Hotel linen management method and system based on RFID through channel machine |
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