CN205375662U - Intelligence vending machine mainboard circuit structure with watchdog circuit - Google Patents
Intelligence vending machine mainboard circuit structure with watchdog circuit Download PDFInfo
- Publication number
- CN205375662U CN205375662U CN201620144314.3U CN201620144314U CN205375662U CN 205375662 U CN205375662 U CN 205375662U CN 201620144314 U CN201620144314 U CN 201620144314U CN 205375662 U CN205375662 U CN 205375662U
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- Prior art keywords
- circuit
- watchdog
- control
- power supply
- vending machine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an intelligence vending machine mainboard circuit structure with watchdog circuit, control mainboard in locating intelligent vending machine, be equipped with main control circuit and power supply circuit on the control mainboard, power supply circuit is connected with an outside watchdog circuit, be equipped with power control CPU and watchdog control circuit in the outside watchdog circuit, power control CPU's input and the main CPU RK3128 communication among the main control circuit are connected, power control CPU's output end control connects watchdog control circuit, watchdog control circuit is continuous with power supply circuit's input control again, the utility model discloses set up power control CPU and watchdog control circuit in the outside watchdog circuit, according to program set, when the mistake appeared in system software, power control CPU restarted with regard to the control source, directly restarted system power supply, can strengthen the fault -tolerant ability of system and improve system stability, ensured that system's operation is more reliable and more stable.
Description
Technical field
This utility model relates to intelligence vending machine technical field, particularly relates to a kind of intelligent vending machine motherboard circuit structure being provided with watchdog circuit.
Background technology
Development along with intelligent interconnection network technology, merge the intelligent vending machine of intelligent interconnection network technology also in popularization and application progressively, intelligence vending machine can adopt multiple form of payment, advertisement can be play, consumer can utilize the application software on smart mobile phone to participate in interaction, increasingly obtains liking of consumer.Intelligence vending machine needs long-time steady operation, reduce the generation of fault as far as possible, guarantee that consumer has better experience, it is thus desirable to ensure the stability of each system in intelligence vending machine, control mainboard in intelligence vending machine is critical component therein, and the power circuit controlled in mainboard in prior art cannot really control, when systems soft ware goes wrong, system cannot directly restart system power supply, improve system stability, it is necessary to Optimal improvements further.
Summary of the invention
For overcoming the deficiencies in the prior art, this utility model provides can restart system power supply, the improve system stability intelligent vending machine motherboard circuit structure being provided with watchdog circuit when a kind of systems soft ware goes wrong.
This utility model is reach above-mentioned technical purpose to be the technical scheme is that a kind of intelligent vending machine motherboard circuit structure being provided with watchdog circuit, including the control mainboard being located in intelligence vending machine, described control mainboard is provided with main control circuit and power circuit, described power circuit is connected to an outer watchdog circuit, described outer watchdog circuit is provided with power supply and controls CPU and Watchdog control circuit, described power supply controls the input of CPU and is connected with the host CPU RK3128 communication in described main control circuit, described power supply controls the outfan of CPU and controls to connect described Watchdog control circuit, described Watchdog control circuit controls to be connected with the input of described power circuit again；According to program setting, when systems soft ware goes wrong, Watchdog control circuit just controls power supply and restarts, and directly restarts system power supply, it is possible to strengthens Fault Tolerance and improves system stability.
It is STM8 single-chip microcomputer that described power supply controls CPU.
WDT chip model in described Watchdog control circuit is MAX813.
The beneficial effects of the utility model are: adopt said structure, by arranging an outer watchdog circuit in the power circuit controlled on mainboard in intelligence vending machine, outer watchdog circuit arranges power supply and controls CPU and Watchdog control circuit, according to program setting, when systems soft ware goes wrong, power supply controls CPU just control power supply and restarts, and directly restarts system power supply, Fault Tolerance can be strengthened and improve system stability, it is ensured that system is run more reliable and more stable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.Wherein:
Fig. 1 is the theory diagram that this utility model is provided with the intelligent vending machine motherboard circuit structure of watchdog circuit；
Fig. 2 is this utility model power circuit and the circuit theory diagrams of outer watchdog circuit part.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to describe in detail.
Refer to shown in Fig. 1 and Fig. 2, this utility model is provided with the control mainboard 1 that the intelligent vending machine motherboard circuit structure of watchdog circuit includes being located in intelligence vending machine, described control mainboard 1 is provided with main control circuit 11 and power circuit 12, described power circuit 12 is connected to an outer watchdog circuit 13, described outer watchdog circuit 13 is provided with power supply and controls CPU131 and Watchdog control circuit 132, described power supply controls the input of CPU131 and is connected with the host CPU RK3128 communication in described main control circuit 11, described power supply controls the outfan of CPU131 and controls to connect described Watchdog control circuit 132, described Watchdog control circuit 132 controls to be connected with the input of described power circuit 12 again.
It is STM8 single-chip microcomputer that described power supply controls CPU131.
WDT chip model in described Watchdog control circuit 132 is MAX813.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing this utility model description and accompanying drawing content to make; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.
Claims (3)
1. the intelligent vending machine motherboard circuit structure being provided with watchdog circuit, it is characterized in that: include the control mainboard being located in intelligence vending machine, described control mainboard is provided with main control circuit and power circuit, described power circuit is connected to an outer watchdog circuit, described outer watchdog circuit is provided with power supply and controls CPU and Watchdog control circuit, described power supply controls the input of CPU and is connected with the host CPU RK3128 communication in described main control circuit, described power supply controls the outfan of CPU and controls to connect described Watchdog control circuit, described Watchdog control circuit controls to be connected with the input of described power circuit again.
2. a kind of intelligent vending machine motherboard circuit structure being provided with watchdog circuit according to claim 1, it is characterised in that: it is STM8 single-chip microcomputer that described power supply controls CPU.
3. a kind of intelligent vending machine motherboard circuit structure being provided with watchdog circuit according to claim 1, it is characterised in that: the WDT chip model in described Watchdog control circuit is MAX813.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144314.3U CN205375662U (en) | 2016-02-26 | 2016-02-26 | Intelligence vending machine mainboard circuit structure with watchdog circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144314.3U CN205375662U (en) | 2016-02-26 | 2016-02-26 | Intelligence vending machine mainboard circuit structure with watchdog circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205375662U true CN205375662U (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620144314.3U Expired - Fee Related CN205375662U (en) | 2016-02-26 | 2016-02-26 | Intelligence vending machine mainboard circuit structure with watchdog circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205375662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114860493A (en) * | 2022-05-16 | 2022-08-05 | 深圳市诚金晖精密机械有限公司 | Monitoring circuit for core board of intelligent container |
-
2016
- 2016-02-26 CN CN201620144314.3U patent/CN205375662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114860493A (en) * | 2022-05-16 | 2022-08-05 | 深圳市诚金晖精密机械有限公司 | Monitoring circuit for core board of intelligent container |
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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: 20160706 Termination date: 20180226 |