CN207693365U - A kind of intelligent service plate based on RFID - Google Patents
A kind of intelligent service plate based on RFID Download PDFInfo
- Publication number
- CN207693365U CN207693365U CN201720715790.0U CN201720715790U CN207693365U CN 207693365 U CN207693365 U CN 207693365U CN 201720715790 U CN201720715790 U CN 201720715790U CN 207693365 U CN207693365 U CN 207693365U
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- China
- Prior art keywords
- unit
- resistance
- processing unit
- service plate
- rfid
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- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 4
- 235000013311 vegetables Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The utility model is related to a kind of intelligent service plate, more particularly to a kind of intelligent service plates based on RFID.The utility model includes central processing unit, RF processing unit, communications interface unit, storage unit, Keyboard and display control unit, state indication unit, heating unit and power supply unit, the central processing unit respectively with RF processing unit, communications interface unit, storage unit, two-way communication link between Keyboard and display control unit, the signal output end of central processing unit is separately connected state indication unit, the signal input part of heating unit, said supply unit is used to power for each unit, two-way communication link between the communications interface unit and host computer.This intelligence service plate can realize the typing of price, and user can according to the temperature of hobby adjustment food, the utility model it is small, it is simple in structure, it is of low cost.
Description
Technical field
The utility model is related to a kind of intelligent service plate, more particularly to a kind of intelligent service plates based on RFID.
Background technology
Intelligent service plate is a novel technology product.This service plate can be by the grid for dish of filling a bowl with rice and small-sized clear
It lookes at tool and payment system has been integrated in a service plate.Fever when can be worked simultaneously using electronic component is come to its food
Heating.
With the continuous improvement of living standards, demand of the people to meal-trade industry is also higher and higher.Under this trend, intelligence
The concept of service plate is come into being.Current intelligent service plate have has a single function, volume is big, it is of high cost the defects of.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, it is more to provide a kind of function, small, of low cost for the utility model
The intelligent service plate based on RFID.
Solve the problems, such as that techniques discussed above, the technical solution that the utility model is taken are：
A kind of intelligent service plate based on RFID includes central processing unit, RF processing unit, communications interface unit, storage
Unit, Keyboard and display control unit, state indication unit, heating unit and power supply unit, the central processing unit difference
The two-way communication link between RF processing unit, communications interface unit, storage unit, Keyboard and display control unit, centre
The signal output end of reason unit is separately connected the signal input part of state indication unit, heating unit, and said supply unit is used for
It powers for each unit, two-way communication link between the communications interface unit and host computer.
Preferably, the central processing unit includes the LCP2136 chips of NXP companies production.
Preferably, the RF processing unit includes radio frequency chip, the model TI companies production of the radio frequency chip
TRF7960。
Preferably, the storage unit includes storage chip, the model W25Q16 of the storage chip.
Preferably, the Keyboard and display control unit is 4 × 6 key-press matrix keyboards.
Further, the state indication unit includes buzzer and LED light.
Further, the heating unit includes that one end of the first thermistor R1, the first thermistor R1 connects
The other end of one end of second resistance R2 and power supply, the first thermistor R1 is separately connected one end of the 6th resistance R6, third
The negative signal input terminal of one end of slide rheostat R3, the signal output end of central processing unit and operational amplifier, institute
The positive signal input terminal for stating operational amplifier is separately connected the other end of second resistance R2 and one end of the 5th resistance R5, institute
The other end for stating third slide rheostat R3 connects one end of the 4th resistance R4, the other end of the 4th resistance R4, the 5th electricity
The other end of resistance R5 is all connected with one end and the ground connection of the first capacitance C1, and the signal output end of operational amplifier is separately connected the 6th electricity
The other end of R6, one end of the 7th resistance R7 are hindered, the other end of the 7th resistance R7 is separately connected the another of the first capacitance C1
It holds, the base stage of the base stage of the first triode and the second triode, the collector connection power supply of first triode, the one or three
The emitter of pole pipe is separately connected one end of the 8th resistance R8 and the emitter of the second triode, the collection of second triode
Electrode connects power supply, one end of the other end refrigerator of the 8th resistance R8, the other end ground connection of the refrigerator.
Further, pass through I2C bus two-way communication links between the central processing unit and storage unit.
Further, connected by serial line interface two-way communication between the central processing unit and Keyboard and display control unit
It connects.
The beneficial effects of the utility model are：
(1), the utility model includes central processing unit, RF processing unit, communications interface unit, storage unit, key
Disk display control unit, state indication unit, heating unit and power supply unit, this intelligence service plate can realize the record of price
Enter, and user can according to hobby adjustment food temperature, the utility model it is small, it is simple in structure, it is of low cost.
(2) central processing unit includes the LCP2136 chips of NXP companies production, and chip price is relatively low, at signal
It is fast to manage speed；The heating unit has specific circuit structure, can freeze or heat, convenient for users to adjusting
Food temperature.
Description of the drawings
The content of every width attached drawing expression in the utility model specification and the label in figure are briefly described below：
Fig. 1 is that the composition of the utility model connects block diagram；
Fig. 2 is the circuit diagram of the heating unit of the utility model.
Reference numeral meaning in figure is as follows：
10-central processing unit 20-RF processing unit, 30-communications interface units
40-storage unit 50-Keyboard and display control, 60-state indication units of unit
70-80-power supply units of heating unit
Specific implementation mode
It is the shape of each component for example involved to specific embodiment of the present utility model, construction, each below against attached drawing
The effect of mutual alignment and connection relation, each section between part and operation principle etc. are described in further detail：
As shown in Figure 1, a kind of intelligent service plate based on RFID includes central processing unit 10, RF processing unit 20, leads to
Believe interface unit 30, storage unit 40, Keyboard and display control unit 50, state indication unit 60, heating unit 70 and power supply
Unit 80, the central processing unit 10 respectively with RF processing unit 20, communications interface unit 30, storage unit 40, keyboard
The signal output end of two-way communication link between display control unit 50, central processing unit 10 is separately connected state indication unit
60, the signal input part of heating unit 70, said supply unit 80 are used to power for each unit, the communications interface unit 30
The two-way communication link between host computer.
The central processing unit 10 includes the LCP2136 chips of NXP companies production, and highest work dominant frequency is reachable
The input power of 60MHz, processor are 3.3V, select the REST pins of MAX809 reset chips connection LCP2136 chips；It is described
RF processing unit 20 includes radio frequency chip, the TRF7960 of the model TI companies production of the radio frequency chip, TRF7960 cores
The carrier wave of piece is 13.56MHz, supports ISO15693, ISO14443A/B and FeliCa agreement；The storage unit 40 includes depositing
Chip is stored up, model W25Q16, the W25Q16 chip of the storage chip is communicated using SPI interface with processor；It is described
Keyboard and display control unit 50 is 4 × 6 film key matrix keyboards, is connected by 10 electrical cables and HD7279A chips
It connects, the sense of touch of film key matrix keyboard is good, being capable of water proof and dust proof；The state indication unit 60 includes buzzer and LED
Lamp is used to indicate the price typing state of the utility model.
As shown in Fig. 2, one end that the heating unit 70 includes the first thermistor R1, the first thermistor R1 connects
One end and the power supply of second resistance R2 are connect, the other end of the first thermistor R1 is separately connected one end of the 6th resistance R6,
The negative signal of one end of three slide rheostat R3, the signal output end of central processing unit 10 and operational amplifier inputs
End, the positive signal input terminal of the operational amplifier be separately connected second resistance R2 the other end and the 5th resistance R5 one
End, the other end of the third slide rheostat R3 connect one end of the 4th resistance R4, the other end of the 4th resistance R4, the
The other end of five resistance R5 is all connected with one end of the first capacitance C1 and ground connection, and the signal output end of operational amplifier is separately connected
The other end of six resistance R6, one end of the 7th resistance R7, the other end of the 7th resistance R7 are separately connected the first capacitance C1's
The collector of the base stage of the other end, the base stage of the first triode and the second triode, first triode connects power supply, the
The emitter of one triode is separately connected one end of the 8th resistance R8 and the emitter of the second triode, second triode
Collector connect power supply, one end of the other end refrigerator of the 8th resistance R8, the refrigerator the other end ground connection.
Pass through I2C bus two-way communication links between the central processing unit 10 and storage unit 40；The centre
Pass through serial line interface two-way communication link between reason unit 10 and Keyboard and display control unit 50.
Each unit of the utility model is integrated on same circuit board, and circuit board is integrated in the inside of cutlery box, with this intelligence
Label UID is needed on the plate that energy service plate is used in combination.
To keep technical solutions of the utility model of greater clarity, below by way of a specific embodiment to the utility model
The course of work illustrates.
After user's pick-up, the plate of label UID is placed on this intelligence service plate, the RF processing unit
The validity of 20 pairs of labels is read out, and the price of dish is written by Keyboard and display control unit 50 in by radio-frequency enabled
Central Processing Unit 10 preserves the pricing information of each vegetable, 60 indicative price of the state indication unit by storage unit 40
Typing state, overall dish valence is finally settled accounts in settlement device, user adjusts the temperature of vegetable by heating unit 70,
Vegetable is set to reach the temperature of suitable user, whole flow process is easy to operate, it is easy to accomplish.
The above content is the further descriptions made to the utility model in conjunction with specific preferred embodiment, cannot recognize
Determine specific embodiment of the present utility model and is confined to these explanations.For the common skill of the utility model technical field
For art personnel, the other embodiment obtained in the case where not departing from the technical solution of the utility model should be included in this practicality
In novel protection domain.
Claims (9)
1. a kind of intelligent service plate based on RFID, it is characterised in that：Including central processing unit (10), RF processing unit
(20), communications interface unit (30), storage unit (40), Keyboard and display control unit (50), state indication unit (60), heating
Unit (70) and power supply unit (80), the central processing unit (10) respectively with RF processing unit (20), communication interface
Two-way communication link between unit (30), storage unit (40), Keyboard and display control unit (50), central processing unit (10)
Signal output end is separately connected the signal input part of state indication unit (60), heating unit (70), said supply unit (80)
For powering for each unit, communications interface unit (30) two-way communication link between host computer.
2. a kind of intelligent service plate based on RFID as described in claim 1, it is characterised in that：The central processing unit (10)
Include the LCP2136 chips of NXP companies production.
3. a kind of intelligent service plate based on RFID as claimed in claim 2, it is characterised in that：The RF processing unit (20)
Including radio frequency chip, the TRF7960 of the model TI companies production of the radio frequency chip.
4. a kind of intelligent service plate based on RFID as claimed in claim 3, it is characterised in that：The storage unit (40) includes
Storage chip, the model W25Q16 of the storage chip.
5. a kind of intelligent service plate based on RFID as claimed in claim 4, it is characterised in that：The Keyboard and display control unit
(50) it is 4 × 6 key-press matrix keyboards.
6. a kind of intelligent service plate based on RFID as claimed in claim 5, it is characterised in that：The state indication unit (60)
Including buzzer and LED light.
7. a kind of intelligent service plate based on RFID as claimed in claim 6, it is characterised in that：The heating unit (70) includes
One end of one end connection second resistance R2 of first thermistor R1, the first thermistor R1 and power supply, the first temperature-sensitive
The other end of resistance R1 is separately connected one end of the 6th resistance R6, one end of third slide rheostat R3, central processing unit
(10) the negative signal input terminal of signal output end and operational amplifier, the positive signal input terminal of the operational amplifier
It is separately connected the other end of second resistance R2 and one end of the 5th resistance R5, the other end of the third slide rheostat R3 connects
One end of the 4th resistance R4 is connect, the other end of the 4th resistance R4, the other end of the 5th resistance R5 are all connected with the first capacitance C1
One end and ground connection, the signal output end of operational amplifier be separately connected the other end of the 6th resistance R6, the 7th resistance R7 one
End, the other end of the 7th resistance R7 are separately connected the base stage and second of the other end of the first capacitance C1, the first triode
The collector of the base stage of triode, first triode connects power supply, and the emitter of the first triode is separately connected the 8th electricity
One end of R8 and the emitter of the second triode are hindered, the collector of second triode connects power supply, the 8th resistance
One end of the other end refrigerator of R8, the other end ground connection of the refrigerator.
8. a kind of intelligent service plate based on RFID as described in claim 1, it is characterised in that：The central processing unit (10)
Pass through I2C bus two-way communication links between storage unit (40).
9. a kind of intelligent service plate based on RFID as described in claim 1, it is characterised in that：The central processing unit (10)
Pass through serial line interface two-way communication link between Keyboard and display control unit (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715790.0U CN207693365U (en) | 2017-06-20 | 2017-06-20 | A kind of intelligent service plate based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715790.0U CN207693365U (en) | 2017-06-20 | 2017-06-20 | A kind of intelligent service plate based on RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207693365U true CN207693365U (en) | 2018-08-07 |
Family
ID=63020312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720715790.0U Expired - Fee Related CN207693365U (en) | 2017-06-20 | 2017-06-20 | A kind of intelligent service plate based on RFID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207693365U (en) |
-
2017
- 2017-06-20 CN CN201720715790.0U patent/CN207693365U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20210620 |