CN109300248A - A kind of SCM Based radio frequency flow control system - Google Patents
A kind of SCM Based radio frequency flow control system Download PDFInfo
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- CN109300248A CN109300248A CN201811375292.1A CN201811375292A CN109300248A CN 109300248 A CN109300248 A CN 109300248A CN 201811375292 A CN201811375292 A CN 201811375292A CN 109300248 A CN109300248 A CN 109300248A
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- flow
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- frequency card
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention belongs to auto-control technologies, provide a kind of SCM Based radio frequency flow control system, including single chip control unit, radio-frequency card acquisition unit, flow meter signal acquisition unit, information display unit, storage unit composition；Radio-frequency card acquisition unit is read out the information in radio-frequency card；Single chip control unit is for deducting data on flows in radio-frequency card；Flow meter signal acquisition unit passes through flow valve water for acquiring；Storage unit is for storing the deducted data of single chip control unit；System information display unit is for showing data in storage unit.The present invention controls flow by SCM system, can be deducted in real time to the flow in storage unit, and the waste to water resource is reduced.On the other hand, the present invention can be used for associated mechanical to the limitation demand of flow.
Description
Technical field
The invention belongs to auto-control technologies, and in particular to a kind of SCM Based radio frequency flow control system.
Background technique
Water resource is resource for the survival of mankind, and with the growth year by year of water consumption, therefore, water crisis and saving are used
Water is national question of common concern.Existing maximally efficient method is to carry out flow control to industry water.Flow control system
System is used widely in all trades and professions, such as industry, agricultural, forestry etc..
Summary of the invention
The present invention proposes a kind of SCM Based radio frequency flow control system, by reading flow information in radio-frequency card,
Flow is controlled, and according to the feedback signal of flowmeter, controls the switch of flow valve.
The specific technical solution of the present invention is as follows:
A kind of SCM Based radio frequency flow control system, including single chip control unit, radio-frequency card acquisition unit, flowmeter
Signal acquisition unit, information display unit, storage unit composition；Radio-frequency card acquisition unit reads the information in radio-frequency card
It takes；Single chip control unit is for deducting data on flows in radio-frequency card；Flow meter signal acquisition unit passes through flow for acquiring
Valve water；Storage unit is for storing the deducted data of single chip control unit；System information display unit is for showing storage
Data in unit.
Include: by the rate-determining steps that above system is carried out
(1) radio-frequency card acquisition unit is acquired radio frequency card inside information, passes information to single chip control unit；
(2) single-chip computer control system is deducted flow in card, and stores and arrive system memory unit, and in information display unit
Display；
(3) when the quantity in system memory unit is greater than zero, flow valve is opened, and water flow passes through flowmeter, and by flow
Meter signal acquisition unit is acquired to by the water flow of flowmeter；
(4) data collected are transferred to single-chip computer control system by flow meter signal acquisition unit, to system memory unit
The flow of middle storage is deducted in real time；
(5) when the flow in storage unit is zero, flow valve is closed, and water flow disconnects.
Preferably, the data in the storage unit are deducted in real time by flow meter signal acquisition unit, are deducted in real time
Data with by the water flow of flow valve it is equal.
Preferably, when the numerical value in storage unit is greater than zero, data are shown to information display unit in real time.
The present invention has the advantages that
The present invention controls flow by SCM system, can be deducted in real time to the flow in storage unit, and real
When show remaining flow in storage unit, help to grasp flow；Flowmeter control system is to the water flow passed through
It is acquired, flow control is accurate, in the case where meeting control actual demand, reduces the waste to water resource.On the other hand,
The present invention can be used for associated mechanical to the limitation demand of flow.
Detailed description of the invention
Fig. 1 is hardware block diagram of the invention.
Fig. 2 is work flow diagram of the invention.
Specific embodiment
Fig. 1 gives a kind of hardware block diagram of SCM Based radio frequency flow control system, and Fig. 2 gives one kind
The work flow diagram of SCM Based radio frequency flow control system.
A kind of SCM Based radio frequency flow control system, including single chip control unit, radio-frequency card acquisition unit, stream
Meter signal acquisition unit, information display unit, storage unit composition；Radio-frequency card acquisition unit carries out the information in radio-frequency card
It reads；Single chip control unit is for deducting data on flows in radio-frequency card；Flow meter signal acquisition unit passes through stream for acquiring
Measure valve water；Storage unit is for storing the deducted data of single chip control unit；System information display unit is deposited for showing
Data in storage unit.
The specific workflow of the present invention is as follows:
(1) radio-frequency card acquisition unit is acquired radio frequency card inside information, passes information to single chip control unit；
(2) single-chip computer control system is deducted flow in card, and stores and arrive system memory unit, and in information display unit
It has been shown that, system memory unit are external memory module；Memory module is stored using EPPROM inside single-chip microcontroller, or is used
Super capacitor is stored with the power down for realizing flow information；
(3) when the quantity in system memory unit is greater than zero, flow valve is opened, and water flow passes through flowmeter, and by flow
Meter signal acquisition unit is acquired to by the water flow of flowmeter；When the flow in storage unit is zero, flow valve is closed
It closes, water flow disconnects；
(4) after flow valve opening, water flow data is passed to single-chip microcontroller by flow meter signal acquisition unit by water flow
Control unit is deducted the data in storage unit, and the data collected are transferred to by flow meter signal acquisition unit
Single-chip computer control system is deducted the flow stored in system memory unit.
In the case that radio-frequency card deducts real-time traffic every time, real-time traffic charging card can be used as, at this time in storage unit
Data deducted in real time by flow meter signal acquisition unit, the data deducted in real time and pass through the water flow phase of flow valve
Deng.
Data are shown in real time when the numerical value in storage unit is greater than zero in order to real-time display data
To information display unit.
Claims (3)
1. a kind of SCM Based radio frequency flow control system characterized by comprising
The radio-frequency card acquisition unit that information in radio-frequency card is read out；
For deducting the single chip control unit of data on flows in radio-frequency card；
For acquiring the flow meter signal acquisition unit for passing through flow valve water；
For storing the storage unit of the deducted data of single chip control unit；
For showing the system information display unit of data in storage unit.
2. the control method that SCM Based radio frequency flow control system according to claim 1 is carried out, feature
It is, comprising the following steps:
1) radio-frequency card acquisition unit is acquired radio frequency card inside information, passes information to single chip control unit；
2) after deducting corresponding flow, new information is write in radio-frequency card by radio-frequency card acquisition unit；
3) after single-chip computer control system is deducted flow in card, system memory unit is arrived in storage, and shows in system information
Unit is shown；
4) single chip control unit in real time detects the data in system memory unit, when the data in storage unit are greater than
When zero, flow valve is opened；When the data in storage unit are null, flow valve is closed.
3. a kind of SCM Based radio frequency flow control system according to claim 1, it is characterised in that: the storage
Data in unit are deducted in real time by flow meter signal acquisition unit, the data deducted in real time and the water flow by flow valve
It measures equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375292.1A CN109300248A (en) | 2018-11-19 | 2018-11-19 | A kind of SCM Based radio frequency flow control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375292.1A CN109300248A (en) | 2018-11-19 | 2018-11-19 | A kind of SCM Based radio frequency flow control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109300248A true CN109300248A (en) | 2019-02-01 |
Family
ID=65143700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375292.1A Pending CN109300248A (en) | 2018-11-19 | 2018-11-19 | A kind of SCM Based radio frequency flow control system |
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| CN (1) | CN109300248A (en) |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190201 |
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| RJ01 | Rejection of invention patent application after publication |