CN205748588U - A kind of traceable electronic scale - Google Patents
A kind of traceable electronic scale Download PDFInfo
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- CN205748588U CN205748588U CN201620615363.0U CN201620615363U CN205748588U CN 205748588 U CN205748588 U CN 205748588U CN 201620615363 U CN201620615363 U CN 201620615363U CN 205748588 U CN205748588 U CN 205748588U
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- electronic scale
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Abstract
The utility model discloses a kind of traceable electronic scale, its drip irrigation device is to be placed on agricultural product on traceable electronic scale to weigh, obtain the weight information of agricultural product, and after by electronic labeling information on the identification module identification agricultural product that are arranged on traceable electronic scale, control module controls GPRS module and starts working, both information are transmitted to background server by cordless communication network by GPRS module through GPRS antenna, both information are recorded and put on record by background server, to facilitate places such as checking supermarket that agricultural product are sold situation, and there remains how many agricultural product in warehouse and do not sell and carry out detailed record, to facilitate interrogating and examining of employee's later stage, thus reduce employee and interrogate and examine the workload of stock's agricultural product surplus.
Description
Technical field
This utility model relates to electronic scale product scope, particularly to a kind of traceable electronic scale.
Background technology
Owing to agricultural product quality and safety event occurs again and again, agricultural product quality and safety is constantly subjected to pay close attention to both at home and abroad how
Tracking effective to agricultural product and reviewing, it has also become a global task the most urgent.
At present, notification number is that the Chinese patent of CN201917390U discloses and a kind of has tracing back of less radio-frequency read-write capability
Source electronic scale, it includes the microprocessor being arranged in electronic scale, microprocessor and a radio frequency identification module for reading and writing
Connecting, this radio frequency identification module for reading and writing is connected with radio frequency identification read-write antenna.
Although this traceable electronic scale can read any food electronic tag containing traceability code, it is possible to after changing
The information of tracing to the source writes back in the middle of label, and this traceable electronic scale is mainly used in the transaction places such as supermarket, in energy reading electronic labels
Preset information of tracing to the source, revises weight change information.But the transaction places such as supermarket, agricultural product exchange hand is huge, only interrogates and examines storehouse
The surplus depositing agricultural product causes workload huge unavoidably, and the most this traceable electronic scale exists certain improvements.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of traceable electronic scale, and it is right to have
The agricultural product real time data sold in weighing uploads the characteristic of renewal.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of traceable electronic scale, including the identification module for identifying agricultural product electronic label information, also includes being arranged on
Weighing module on traceable electronic scale, control module, GPRS module;
Described control module, is used for controlling Weighing module, identification module, GPRS module work;
Described Weighing module, is connected to control module, for obtaining the weight information of agricultural product;
Described control module, is additionally operable to the electronic labeling information of agricultural product and the weight information of agricultural product are flowed to GPRS
Module;
Described GPRS module, is connected to control module, obtains the electronic labeling information of agricultural product and the weight letter of agricultural product
Breath, and both information are carried out record by GPRS antenna through communication network transmission to background server.
By technique scheme, agricultural product are placed on traceable electronic scale and weigh, obtain the weight information of agricultural product,
And after by electronic labeling information on the identification module identification agricultural product that are arranged on traceable electronic scale, control module controls GPRS
Module is started working, and both information are transmitted to background server by cordless communication network by GPRS module through GPRS antenna, after
Both information are recorded and put on record by station server, to facilitate places such as checking supermarket that agricultural product are sold situation, and
There remains how many agricultural product in warehouse not sell and carry out detailed record, to facilitate interrogating and examining of employee's later stage, thus reduce employee
Interrogate and examine the workload of stock's agricultural product surplus.
Preferably, also including the input module being connected with control module, described input module is for inputting the list of agricultural product
Valency.
By technique scheme, input module is the button on keyboard, by checking the agricultural product of correspondence, and input correspondence
The unit price of agricultural product, to facilitate the weight according to agricultural product, calculates the total price of agricultural product.
Preferably, also including the display module being connected with control module, described display module is for showing the list of agricultural product
Valency, weight and total price.
By technique scheme, by the display on display module of unit price, weight and total price, facilitating purchase personnel
Check, to examine correct situation, it is to avoid sell giving short weight of personnel.
Preferably, also including the print module being connected with control module, described print module is for printing the list of agricultural product
Valency, weight, total price and electronic labeling information.
By technique scheme, print module will print has agricultural product unit price, weight, total price and electronic tag letter
The paper of breath, to facilitate examining of purchase personnel, and containing the date of manufacture of agricultural product, the day of dispatching from the factory in electronic labeling information
Phase, food safety code etc. of tracing to the source is traced to the source information, to facilitate purchase personnel understanding sufficient to agricultural product so that buy and more place
The heart.
Preferably, also including the memory module being connected with control module, described memory module is for storing the electricity of agricultural product
Subtab information.
By technique scheme, correct agricultural product electronic label information be will be stored in memory module, thus should
When kind agricultural products is placed on traceable electronic scale, believed by the electronic tag of identification module identification agricultural product, and at storage mould
Electronic labeling information in block scans for, mates, and whether there is mistake with the electronic tag facilitating employee to examine agricultural product.
Preferably, described Weighing module uses pressure transducer.
By technique scheme, pressure transducer purchase cost is low, to facilitate maintenance and the maintenance in later stage.
Preferably, control unit is also included, for providing the power module of traceable electronic scale running voltage and being preset with
The comparing unit of one reference voltage signal;
The pressure of traceable electronic scale is detected signal with output pressure for detecting agricultural product by described pressure transducer;
Described comparing unit is coupled to pressure transducer to receive pressure detecting signal, and by pressure detecting signal and benchmark
Comparison signal is exported after voltage signal;
Described control unit is coupled to comparing unit to receive comparison signal, and traces to the source electricity with conducting in response to comparison signal
Current supply circuit between sub-scale and power module.
By technique scheme, only weighing when agricultural product are placed on traceable electronic scale, pressure transducer is examined
Measuring the weight of agricultural product, the current supply circuit between traceable electronic scale and power module just can be switched on so that traceable electronic scale
Obtain electric and can use;Thus when pressure transducer receives agricultural product to the pressure of traceable electronic scale, traceable electronic scale will at
In off position, thus ensure that the saving of traceable electronic scale pair, to avoid electric energy waste without reason.
Preferably, described comparing unit is coupled with the configuration part for regulating reference voltage signal size.
By technique scheme, configuration part is for regulating the size of reference voltage signal, in order to the debugging in later stage and
Safeguard.
Preferably, also include that alarm unit, described alarm unit are coupled to comparing unit to receive comparison signal, and respond
In comparison signal to realize warning.
By technique scheme, the current supply circuit at traceable electronic scale is switched on, and is sold by alarm unit
Alert persons's information, to facilitate the personnel of selling to carry out weighing selling work by traceable electronic scale.
Preferably, described alarm unit is warned by light-emitting component.
By technique scheme, the mode of light-emitting component warning, the personnel that sell just can receive warning letter by glasses
Breath, not only ensure that information warning is passed on accurately, and avoids interfering the attention of the personnel of selling.
In sum, what this utility model in contrast to prior art has the beneficial effect that GPRS module will both information warps
GPRS antenna is transmitted to background server by cordless communication network, and both information are recorded and put on record by background server,
There remains how many agricultural product in situation, and warehouse not sell carry out in detail to facilitate places such as checking supermarket that agricultural product are sold
Thin record.
Accompanying drawing explanation
Fig. 1 is the system block diagram of embodiment one, main presentation control module, GPRS module, memory module, identification module it
Between annexation;
Fig. 2 is the structured flowchart of traceable electronic scale Inner Constitution;
Fig. 3 is the circuit theory diagrams of comparing unit, control unit, alarm unit.
Reference: 1, identification module;2, Weighing module;3, control module;4, GPRS module;5, GPRS antenna;6, after
Station server;7, input module;8, display module;9, print module;10, memory module;11, power module;12, list is controlled
Unit;13, comparing unit;14, configuration part;15, alarm unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Embodiment one:
A kind of traceable electronic scale, shown in Fig. 1 and Fig. 2, including the identification for identifying agricultural product electronic label information
Module 1, the Weighing module 2 also including being arranged on traceable electronic scale, control module 3, GPRS module 4;Control module 3, is used for
Control Weighing module 2, identification module 1, GPRS module 4 work;Weighing module 2, is connected to control module 3, is used for obtaining agricultural production
The weight information of product;Control module 3, is additionally operable to input to the electronic labeling information of agricultural product and the weight information of agricultural product
GPRS module 4;GPRS module 4, is connected to control module 3, obtains the electronic labeling information of agricultural product and the weight letter of agricultural product
Breath, and both information are carried out record through communication network transmission to background server 6 by GPRS antenna 5.
Identification module 1 is rfid interrogator and antenna assembly, and rfid interrogator is arranged on the bottom of traceable electronic scale, antenna
Device is placed on the both sides of traceable electronic scale weighing tray, thus the agricultural product posting electronic tag are placed on traceable electronic scale
When weighing, the electronic labeling information on agricultural product can be read out by rfid interrogator, to facilitate the letter of tracing to the source obtaining agricultural product
Breath, the information of tracing to the source includes that the date of manufacture of agricultural product, the date of production, food safety trace to the source the information etc. of code and manufacturing enterprise
Trace to the source information, thus conveniently set up perfect food safety traceability system, and rfid interrogator and antenna assembly, produce and
Use cost is low, therefore the least to the cost impact of electronic scale.
Weighing module 2 is to be placed on the pressure transducer below traceable electronic scale weighing tray, and pressure transducer is provided with
Multiple and be distributed on the lower section of weighing tray, thus reach accurately, the purpose of accurate weighing;It is placed on electronics of tracing to the source at agricultural product
Time on the weighing tray of scale, the pressure transducer that is in below weighing tray will be produced pressure, thus pressure transducer according to
Pressure to it, will obtain the weight information of agricultural product, and by A/D converter, the analogue signal of pressure is converted to pressure
Digital data transmission is to control module 3, to facilitate the identification of control module 3.
Control module 3 uses the single-chip microcomputer (8 51 microcontrollers of enhancement mode) of N79E8251A model, and control module 3 is arranged
In the inside of traceable electronic scale, thus realize input module in traceable electronic scale 7, Weighing module 2, GPRS module 4, display mould
Block 8, print module 9, the work of memory module 10.
The weight information of agricultural product is obtained and identification module 1 obtains agricultural product electronic label information at Weighing module 2
After, control GPRS module 4 is worked by control module 3, and GPRS module 4 is called for short general packet radio service technology, can pass through RS232
Interface is connected with traceable electronic scale, is provided with GPRS antenna 5 in GPRS module 4, is used for transmitting wireless data, GPRS antenna
5 are connected with background server 6 by cordless communication network;Thus the weight of the agricultural product of control module 3 is received in GPRS module 4
After amount information and electronic labeling information (weight information and electronic labeling information are digital signal), will weight through GPRS antenna 5
Amount information and electronic labeling information are transferred to background server 6 by cordless communication network, and background server 6 can use computer,
Thus background server 6 carries out record to weight information and electronic labeling information, to facilitate this agricultural products of statistics in supermarket etc.
Surplus in stock, thus transfer the data in background server 6 by employee and can know inventory balance, thus be greatly saved
Employee interrogates and examines working time of stock.
Embodiment two:
On the basis of embodiment one, as in figure 2 it is shown, also include the input module 7 being connected with control module 3, input
Module 7 is for inputting the unit price of agricultural product.Input module 7 uses the keyboard being arranged on traceable electronic scale, thus at agricultural product
When being placed on weighing tray, sell personnel's kind according to agricultural product, after keyboard inputs the unit price of agricultural product, and according to
The weight of agricultural product and obtain the total price of agricultural product.
Embodiment three:
On the basis of embodiment two, as in figure 2 it is shown, also include the display module 8 being connected with control module 3, display
Module 8 is for showing the unit price of agricultural product, weight and total price.Display module 8 uses LCD display screen, display module 8 to be provided with
Two pieces, one of it is arranged on traceable electronic scale and to be positioned at input module 7 other, is used for observing when the personnel of selling input unit price;
Another block arranges the top of traceable electronic scale by support, facilitates the observation of purchase personnel, supervision, reaches price transparent, work,
Prevent the purpose that the personnel of selling give short weight.
Embodiment four:
On the basis of embodiment four, as in figure 2 it is shown, also include the print module 9 being connected with control module 3, print
Module 9 is for printing the unit price of agricultural product, weight, total price and electronic labeling information.Print module 9 uses microminiature printer,
Print module 9 is arranged on traceable electronic scale, after agricultural product are weighed and sold, is used for printing agricultural product label, agricultural product
Label comprises the contents such as agricultural product unit price, weight, total price and electronic labeling information (information of tracing to the source), and one can also be comprised
Dimension bar code and two-dimensional bar code, to facilitate purchase personnel's barcode scanning to check the true or false of the information of tracing to the source.
Embodiment five:
On the basis of embodiment four, as it is shown in figure 1, also include the memory module 10 being connected with control module 3, storage
Module 10 is for storing the electronic labeling information of agricultural product.Memory module 10 uses storage chip, in advance by agricultural product
Electronic labeling information stores, thus after the electronic tag of agricultural product is read out by identification module 1, can be at storage chip
In scan for, mate, check the correctness of electronic tag, prevent employee when agricultural product are sticked electronic tag, cause
The situations such as patch Wrong, missing patch.
Embodiment six:
On the basis of embodiment five, as it is shown on figure 3, also include control unit 12, for providing traceable electronic scale work
Make the power module 11 of voltage and be preset with the comparing unit 13 of a reference voltage signal;Pressure transducer is used for detecting agriculture
The pressure of traceable electronic scale is detected signal with output pressure by product;Comparing unit 13 is coupled to pressure transducer to receive pressure
Detection signal, and export comparison signal after being compared with reference voltage signal by pressure detecting signal;Control unit 12 is coupled to ratio
Relatively unit 13 to receive comparison signal, and in response to comparison signal with conducting traceable electronic scale and power module 11 between power supply
Loop.
Comparing unit 13 includes comparator N1, resistance R1, resistance R2, and the in-phase end of comparator N1 connects after being connected to resistance R1
Connecing pressure transducer, the end of oppisite phase of comparator N1 connects power supply VCC after connecting resistance R2, and provides reference voltage by resistance R2
Signal;Thus when pressure transducer is by the pressure effect of agricultural product, the resistance causing pressure transducer is risen, so that
Obtain the pressure detecting signal of comparator N1 in-phase end more than reference voltage signal so that the outfan output high level of comparator N1
Comparison signal to control unit 12 so that the power supply that control unit 12 turns between traceable electronic scale and power module 11 is returned
Road.
The configuration part 14 for regulating reference voltage signal size it is coupled with on comparing unit 13.Configuration part 14 includes sliding
Rheostat RP1, slide rheostat RP1 are connected in parallel on the node between resistance R2 and comparator N1 end of oppisite phase;Thus variable resistance of sliding
Bleeder circuit is constituted between device RP1 and resistance R2, when changing the resistance of slide rheostat RP1, the resistance of resistance R2 also phase
Should change, so that the voltage of resistance R2 changes, reach to regulate the purpose of reference voltage signal.Wherein, on configuration part 14
It is parallel with voltmeter V, voltmeter V and can clearly show that the concrete numerical value of reference voltage signal, thus big to reference voltage signal
A little directly monitoring.
Control unit 12 includes audion Q1 and relay K M1 of NPN type, and the base stage of audion Q1 is connected to comparator N1
Outfan on, one end of relay K M1 coil connects power supply VCC, and the other end is connected on the colelctor electrode of audion Q1, three poles
The grounded emitter of pipe Q1, the power supply that the normally opened contact of relay K M1 is connected between traceable electronic scale and power module 11 is returned
Lu Shang.Series resistance R3 between the base stage and the outfan of comparator N1 of audion Q1, resistance R3 has the effect of current limliting, uses
Excessive in the electric current of the comparison signal preventing comparing unit 13 from exporting.
Embodiment seven:
On the basis of embodiment six, as it is shown on figure 3, also include alarm unit 15, alarm unit 15 is coupled to compare
Unit 13 to receive comparison signal, and in response to comparison signal with realize warning.Alarm unit 15 is warned by light-emitting component
Show.Light-emitting component is LED 1, and LED is connected on the current supply circuit of relay K M1 coil.
Work process:
Agricultural product are placed on traceable electronic scale and weigh so that comparing unit 13 exports the comparison signal of high level
To the base stage of audion Q1, audion Q1 turns on, and relay K M1 coil obtains electric, thus the normally opened contact of relay K M1 Guan Bi,
With the current supply circuit between turn-on power module 11 and traceable electronic scale so that traceable electronic scale is started working, and now send out
Optical diode LED1 obtains electroluminescence, to show that traceable electronic scale is in the state of work;
Now, identification module 1 identifies the electronic labeling information on agricultural product, and Weighing module 2 obtains the weight of agricultural product
Information, will both information conveyance to control module 3, control module 3 according to the electronic labeling information of agricultural product in storage chip
Search, coupling, if after the match is successful, both information are inputted to GPRS module 4 by control module 3, and GPRS module 4 will both information
Record is carried out by communication network transmission to background server 6 through GPRS antenna 5;
Now, employee inputs the unit price of agricultural product by input module 7, according to the weight of the agricultural product that Weighing module 2 obtains
Amount information, obtains the total price of agricultural product, and control unit 12 shows controlling the unit price of agricultural product, weight, total price on display module 8
Show, and concluded the business rear (after buying personnel's payment), print the electronic labeling information of agricultural product with basic by print module 9
Information gives purchase personnel.
The above is only exemplary embodiment of the present utility model, not for limiting protection model of the present utility model
Enclosing, protection domain of the present utility model is determined by appended claim.
Claims (10)
1. a traceable electronic scale, including the identification module (1) for identifying agricultural product electronic label information, is characterized in that: also
Including the Weighing module (2) being arranged on traceable electronic scale, control module (3), GPRS module (4);
Described control module (3), is used for controlling Weighing module (2), identification module (1), GPRS module (4) work;
Described Weighing module (2), is connected to control module (3), for obtaining the weight information of agricultural product;
Described control module (3), is additionally operable to the electronic labeling information of agricultural product and the weight information of agricultural product are flowed to GPRS
Module (4);
Described GPRS module (4), is connected to control module (3), obtains electronic labeling information and the weight of agricultural product of agricultural product
Information, and both information are carried out record by GPRS antenna (5) through communication network transmission to background server (6).
Traceable electronic scale the most according to claim 1, is characterized in that: also include the input mould being connected with control module (3)
Block (7), described input module (7) is for inputting the unit price of agricultural product.
Traceable electronic scale the most according to claim 1, is characterized in that: also include the display mould being connected with control module (3)
Block (8), described display module (8) is for showing the unit price of agricultural product, weight and total price.
Traceable electronic scale the most according to claim 1, is characterized in that: also include the impression block being connected with control module (3)
Block (9), described print module (9) is for printing the unit price of agricultural product, weight, total price and electronic labeling information.
Traceable electronic scale the most according to claim 1, is characterized in that: also include the storage mould being connected with control module (3)
Block (10), described memory module (10) is for storing the electronic labeling information of agricultural product.
Traceable electronic scale the most according to claim 1, is characterized in that: described Weighing module (2) uses pressure transducer.
Traceable electronic scale the most according to claim 6, is characterized in that: also includes control unit (12), trace to the source for offer
The power module (11) of electronic scale running voltage and be preset with the comparing unit (13) of a reference voltage signal;
The pressure of traceable electronic scale is detected signal with output pressure for detecting agricultural product by described pressure transducer;
Described comparing unit (13) is coupled to pressure transducer to receive pressure detecting signal, and by pressure detecting signal and benchmark
Comparison signal is exported after voltage signal;
Described control unit (12) is coupled to comparing unit (13) to receive comparison signal, and traces back with conducting in response to comparison signal
Current supply circuit between source electronic scale and power module (11).
Traceable electronic scale the most according to claim 7, is characterized in that: described comparing unit is coupled with for regulating on (13)
The configuration part (14) of reference voltage signal size.
Traceable electronic scale the most according to claim 7, is characterized in that: also include alarm unit (15), described alarm unit
(15) comparing unit (13) it is coupled to receive comparison signal, and in response to comparison signal to realize warning.
Traceable electronic scale the most according to claim 9, is characterized in that: described alarm unit (15) is entered by light-emitting component
Row warning.
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CN201620615363.0U CN205748588U (en) | 2016-06-21 | 2016-06-21 | A kind of traceable electronic scale |
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CN201620615363.0U CN205748588U (en) | 2016-06-21 | 2016-06-21 | A kind of traceable electronic scale |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106773935A (en) * | 2016-12-09 | 2017-05-31 | 优牧信息技术成都有限责任公司 | A kind of weighing device, system and method |
CN107449483A (en) * | 2017-08-04 | 2017-12-08 | 赵德省 | A kind of system for prompting and method of material surplus |
CN112556810A (en) * | 2020-12-23 | 2021-03-26 | 浙江智飨科技有限公司 | Intelligent information management and control electronic scale of tracing to source |
-
2016
- 2016-06-21 CN CN201620615363.0U patent/CN205748588U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106773935A (en) * | 2016-12-09 | 2017-05-31 | 优牧信息技术成都有限责任公司 | A kind of weighing device, system and method |
CN107449483A (en) * | 2017-08-04 | 2017-12-08 | 赵德省 | A kind of system for prompting and method of material surplus |
CN107449483B (en) * | 2017-08-04 | 2019-12-06 | 赵德省 | substance residual quantity reminding system and method |
CN112556810A (en) * | 2020-12-23 | 2021-03-26 | 浙江智飨科技有限公司 | Intelligent information management and control electronic scale of tracing to source |
CN112556810B (en) * | 2020-12-23 | 2024-01-12 | 浙江智飨科技有限公司 | Intelligent information management and control traceability electronic scale |
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