CN204595983U - Based on the bill acceptor system of STM32 and BV20 - Google Patents
Based on the bill acceptor system of STM32 and BV20 Download PDFInfo
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- CN204595983U CN204595983U CN201520237681.3U CN201520237681U CN204595983U CN 204595983 U CN204595983 U CN 204595983U CN 201520237681 U CN201520237681 U CN 201520237681U CN 204595983 U CN204595983 U CN 204595983U
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- stm32
- chip
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- bill acceptor
- paper currency
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Abstract
Based on a bill acceptor system of STM32 and BV20, comprise controller, Paper currency identifier, LCDs, touch screen controller, described controller adopts STM32 chip as kernel control module; Described Paper currency identifier adopts BV20 Paper currency identifier; This BV20 Paper currency identifier is directly connected with the serial ports of STM32 chip, and the input port of STM32 chip is connected with the output port of touch screen controller, and the output port of STM32 chip is connected with the input port of LCDs.Lower and the stable performance of cost of the present utility model, good looking appearance, easy to operate, novel structure, has larger market attractiveness.
Description
Technical field
The utility model relates to a kind of bill acceptor system, particularly a kind of bill acceptor system based on STM32 and BV20.
Background technology
Along with domestic growth in the living standard, numerous automation services terminals sets up the focus in our life, the automatic machine at subway, station, the automatic vending machine in supermarket, the automatic car washing machine in carwash shop etc.Commercially numerous bill acceptor systems uses the Paper currency identifier combo architectures of ARM9 and USB interface all substantially at present, and this architecture system is complicated, cost is high, is only applicable to the occasion that safety requirements is high.And the occasion not too high to cost sensitivity, stability requirement, the bill acceptor system of this framework is not too applicable.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of stable performance, the lower-cost bill acceptor system based on STM32 and BV20.
The technical scheme solved the problems of the technologies described above is: a kind of bill acceptor system based on STM32 and BV20, comprises controller, Paper currency identifier, LCDs, touch screen controller, and described controller adopts STM32 chip as kernel control module; Described Paper currency identifier adopts BV20 Paper currency identifier; This BV20 Paper currency identifier is directly connected with the serial ports of STM32 chip, and the input port of STM32 chip is connected with the output port of touch screen controller, and the output port of STM32 chip is connected with the input port of LCDs.
Further technical scheme of the present utility model is: described STM32 chip is STM32F103C8T6 chip.
Further technical scheme of the present utility model is: described LCDs adopts 3.2inch LCDs.
Further technical scheme more of the present utility model is: described 3.2inch LCDs is with 16 bit data interface, this 16 bit data interface is connected with the high eight-bit of the PB port of STM32 chip, low eight of pc port respectively, and the control end of 3.2inch LCDs is connected to the high eight-bit of the pc port of STM32 chip.
Further technical scheme more of the present utility model is: described LCDs is provided with touch key-press, and this touch key-press comprises startup button and closes button.
Further technical scheme more of the present utility model is: described touch screen controller adopts ADS7843 four-line resistive touch screen control chip, and the embedded SPI interface of this ADS7843 four-line resistive touch screen control chip is connected with the SPI1 interface of STM32 chip internal.
Owing to adopting said structure, the bill acceptor system based on STM32 and BV20 of the utility model compared with prior art, has following beneficial effect:
1. stable performance:
Because bill acceptor system of the present utility model comprises controller, Paper currency identifier, LCDs, touch screen controller, its middle controller adopts STM32 chip as kernel control module, Paper currency identifier adopts BV20 Paper currency identifier, its receptance up to 99.8%, can adopt without card coin channels designs; STM32 chip is STM32F103C8T6 chip, it is the ARM microprocessor of 32 high speeds based on up-to-date Cortex-M3 kernel, power dissipation ratio is lower, frequency of operation is up to 72MHZ, it has the ROM of 60KB, the RAM of 20KB, has 3 USART, 2 SPI interfaces, and nearly 37 GPIO (general input/output port) can realize controlling mass data collection and preservation in real time.Therefore, Performance comparision of the present utility model is stablized.
2. cost is lower:
Because the utility model adopts the Paper currency identifier combo architectures of STM32 and BV20 combination, its architecture system is simple, and cost is lower, and cost performance is high.
3. good looking appearance, easy to operate:
Due to employing of the present utility model 3.2 cun of liquid crystal touch display screens, show above screen and welcome to use printed words, the Identification display bank note amount of money is used in the middle of screen, virtual key is provided with below screen, virtual key comprises startup button and end key, profile is not only attractive in appearance, and its good human-computer interaction interface brings very large convenience to operation.
4. framework is novel:
General bill acceptor system uses the Paper currency identifier combo architectures of ARM9 and USB interface all substantially, the utility model is based on STM32 controller and BV20 Paper currency identifier combo architectures, and its framework is novel, and has good stability, cost is lower, has larger market attractiveness.
Below, be further described with the technical characteristic of embodiment to the bill acceptor system based on STM32 and BV20 of the utility model by reference to the accompanying drawings.
Accompanying drawing explanation
Fig. 1: the Organization Chart of the bill acceptor system based on STM32 and BV20 of the utility model,
Fig. 2: the runnable interface figure of the bill acceptor system based on STM32 and BV20 of the utility model.
Embodiment
A kind of bill acceptor system based on STM32 and BV20, comprise controller, Paper currency identifier, LCDs, touch screen controller, described controller adopts STM32 chip as kernel control module, this STM32 chip is STM32F103C8T6 chip, and Paper currency identifier adopts the BV20 Paper currency identifier of TTL serial ports; This BV20 Paper currency identifier is directly connected with the serial ports of STM32 chip.
Described LCDs adopts the LCDs of the built-in ILI9320 display driver chip of 3.2inch, this 3.2inch LCDs is with 16 bit data interface GPIO, this 16 bit data interface is connected with the high eight-bit of the PB port of STM32 chip, low eight of pc port respectively, and the control end of 3.2inch LCDs is connected to the high eight-bit of the pc port of STM32 chip.Show above described LCDs and welcome to use printed words, be used for the Identification display bank note amount of money in the middle of screen, be provided with touch key-press below screen, touch key-press comprises startup button and closes button, profile is not only attractive in appearance, and its good human-computer interaction interface brings very large convenience to operation.
Described touch screen controller adopts ADS7843 four-line resistive touch screen control chip, and the embedded SPI interface of this ADS7843 four-line resistive touch screen control chip is connected with the SPI1 interface of STM32 chip internal.
Use the serial ports of STM32 internal hardware, write SSP protocol-decoding program by C language, realize the proper communication of STM32 and BV20.
During use, user is by clicking the touch button in LCDs, trigger BV20 Paper currency identifier start to suck bank note and start to identify amount of money number, pass to STM32 chip by serial ports, STM32 chip resolution data also shows the amount of money in the LCD screen of 3.2inch.
Claims (6)
1. based on a bill acceptor system of STM32 and BV20, it is characterized in that: comprise controller, Paper currency identifier, LCDs, touch screen controller, described controller adopts STM32 chip as kernel control module; Described Paper currency identifier adopts BV20 Paper currency identifier; This BV20 Paper currency identifier is directly connected with the serial ports of STM32 chip, and the input port of STM32 chip is connected with the output port of touch screen controller, and the output port of STM32 chip is connected with the input port of LCDs.
2. the bill acceptor system based on STM32 and BV20 according to claim 1, is characterized in that: described STM32 chip is STM32F103C8T6 chip.
3. the bill acceptor system based on STM32 and BV20 according to claim 1, is characterized in that: described LCDs adopts 3.2inch LCDs.
4. the bill acceptor system based on STM32 and BV20 according to claim 3, it is characterized in that: described 3.2inch LCDs is with 16 bit data interface, this 16 bit data interface is connected with the high eight-bit of the PB port of STM32 chip, low eight of pc port respectively, and the control end of 3.2inch LCDs is connected to the high eight-bit of the pc port of STM32 chip.
5. the bill acceptor system based on STM32 and BV20 according to claim 1, is characterized in that: described LCDs is provided with touch key-press, and this touch key-press comprises startup button and closes button.
6. the bill acceptor system based on STM32 and BV20 according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described touch screen controller adopts ADS7843 four-line resistive touch screen control chip, and the embedded SPI interface of this ADS7843 four-line resistive touch screen control chip is connected with the SPI1 interface of STM32 chip internal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237681.3U CN204595983U (en) | 2015-04-17 | 2015-04-17 | Based on the bill acceptor system of STM32 and BV20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237681.3U CN204595983U (en) | 2015-04-17 | 2015-04-17 | Based on the bill acceptor system of STM32 and BV20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204595983U true CN204595983U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520237681.3U Expired - Fee Related CN204595983U (en) | 2015-04-17 | 2015-04-17 | Based on the bill acceptor system of STM32 and BV20 |
Country Status (1)
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| CN (1) | CN204595983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994963A (en) * | 2017-03-24 | 2017-08-01 | 武汉朗宇智能科技有限公司 | A kind of Self-help car washer system |
-
2015
- 2015-04-17 CN CN201520237681.3U patent/CN204595983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994963A (en) * | 2017-03-24 | 2017-08-01 | 武汉朗宇智能科技有限公司 | A kind of Self-help car washer system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150826 Termination date: 20200417 |