CN203720936U - Control circuit of water pipe inserting card metering valve - Google Patents
Control circuit of water pipe inserting card metering valve Download PDFInfo
- Publication number
- CN203720936U CN203720936U CN201320743367.3U CN201320743367U CN203720936U CN 203720936 U CN203720936 U CN 203720936U CN 201320743367 U CN201320743367 U CN 201320743367U CN 203720936 U CN203720936 U CN 203720936U
- Authority
- CN
- China
- Prior art keywords
- circuit
- control circuit
- card
- water pipe
- metering valve
- Prior art date
- 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 relates to a control circuit of a water pipe inserting card metering valve. The control circuit comprises a 16-bit ultra-low power consumption single-chip microcomputer, an LCD (Liquid Crystal Display) module, an IC (Integrated Circuit) card reader-writer circuit, an electromagnetic valve control circuit, a flow collection circuit, a pressure sensor and a voltage detection circuit, wherein the LCD module, the IC card reader-writer circuit, the electromagnetic valve control circuit, the flow collection circuit, the pressure sensor and the voltage detection circuit are connected with the 16-bit ultra-low power consumption single-chip microcomputer. The circuit control of the control circuit adopts an ultra-low power consumption single-chip microcomputer control technology to realize intelligent control of equipment, and the control circuit is simple in circuit, low in power consumption, high in measurement accuracy and easy to popularize; moreover, the pressure sensor is adopted for matching with double Hall sensors in the flow collection circuit so as to accurately measure the flow during the design process, thus the control circuit has the advantages of more accurate metering and the like.
Description
Technical field
The utility model relates to a kind of water pipe plug-in card metering valve, particularly relates to a kind of control circuit of water pipe plug-in card metering valve.
Background technology
At present, domestic enterprise and research institution are mainly devoted to the intelligent card type water meter systematic research exploitation of intelligent network remote transmitting water meter, as Ningbo Water Meter Factory, water meter factory of Shanghai Running-water Company etc. is all developing remote transmitting water meter in succession, because intelligent network remote transmitting water meter system needs supporting distant communication network support, its initial investment is large, therefore be only applicable in some new residential areas, form relatively independent little net, so put goods on the market not yet in a large number at present; And the management mode of water after employing post-pay paystation, when consumption charge difficulty, manual metering inefficiency in the situation that, more can obtain the favor of water supply administrative authority.
The utility model adopts super power consumption single-chip microcomputer control technology, the control to water pipe plug-in card metering valve.By working procedure, realize the intellectuality of water pipe plug-in card metering valve and control, its control circuit has the advantages such as volume is little, function is strong, cost is low, wide application.
Utility model content
The problem existing for prior art, the purpose of this utility model is to provide a kind of control circuit of water pipe plug-in card metering valve, and its circuit is controlled the intellectuality that adopts super power consumption single-chip microcomputer control technology to realize equipment and controlled, and this control circuit circuit is simple, low in energy consumption, measuring accuracy is high, is easy to promote; In addition, the accurate measurement of the dual-Hall sensor in design process in adopts pressure sensor cooperation flow collection circuit to flow, measures the advantages such as more accurate thereby reached.
The technical solution adopted in the utility model is:
A control circuit for water pipe plug-in card metering valve, comprises 16 super low power consuming single chip processors and the LCD LCD MODULE being connected with 16 super low power consuming single chip processors, IC-card read write line circuit, solenoid valve control circuit, flow collection circuit, pressure transducer and voltage detecting circuit.
Described 16 super low power consuming single chip processors possess super low-power consumption as its feature of control core, can realize the functions such as pulse signal acquisition, integrating processing, IC-card read-write, LCD liquid crystal display, the control of solenoid valve ON/OFF.
Described LCD LCD MODULE adopts 128*64 dot matrix, band Chinese word library, and interface is simple, adopts SPI interface, can inquire about at any time accumulative total water total amount and available surplus water.
Described IC-card read write line circuit is as the input interface of IC-card water pipe plug-in card metering valve, and its communication is when IC-card inserts read/write device, and what first read in is the password in card, to judge the legitimacy of this IC-card; Water meter after having judged the legitimacy of card, read in the purchased water yield and and water meter in surplus water add up, will on card, purchase the zero clearing of water yield unit simultaneously; The information such as water consumption, surplus water on write-back water meter, so that Running-water Company reads during next Gou Shui, realizes the feedback function of water meter information.
Described flow collection circuit adopts dual-Hall sensor, detects two-way hall signal simultaneously, and the judgement of timing sampling data is counting forward or counting in reverse, avoids single Hall element to affect accuracy and the measuring accuracy of water meter water consumption.Also avoid the backwater phenomenon because existing in pipeline simultaneously.Its measuring accuracy is higher, stable performance.
It is more accurate that described pressure transducer is used for coordinating in flow collection circuit dual-Hall sensor can reach measuring accuracy in detection signal process simultaneously.
Described voltage detecting circuit, after power down being detected, before power supply complete failure, is written in inner FLASH and protects by software control shut electromagnetic valve and to real-time field data.
A kind of control circuit of water pipe plug-in card metering valve is provided, and it comprises that 16 super low power consuming single chip processors, LCD LCD MODULE, IC-card read write line circuit, solenoid valve control circuit, flow collection circuit, pressure transducer, voltage detecting circuit form;
The utility model be take super low power consuming single chip processor as main body, in conjunction with computer technology and survey control technology, utilizes modern microelectric technique, Modern Transducer Technology, intellective IC card technology to measure water consumption and carries out the transmission of water data and clearing.This water pipe plug-in card metering valve except can to the water yield record and electronical display, can also to water consumption, automatically control according to agreement, and the water rate that automatically completes stepped water pricing calculates the function that can carry out the storage of water data simultaneously.For its data transmission and settlement of transactions, by IC-card, undertaken, thereby can realize the transformation that counting cost by gas meter goes to business office to pay dues to user oneself of visiting by staff.It is kernel control chip that the control circuit of water pipe plug-in card metering valve be take the single-chip microcomputer of super low-power consumption, and the reading and writing that complete whole water meter signal are processed, the function of monitoring water meter work.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
With reference to accompanying drawing 1: the utility model provides a kind of control circuit of water pipe plug-in card metering valve, it is characterized in that it comprises that 16 super low power consuming single chip processors, LCD LCD MODULE, IC-card read write line circuit, solenoid valve control circuit, flow collection circuit, pressure transducer, voltage detecting circuit form.16 described super low power consuming single chip processors possess super low-power consumption as its feature of control core, and its single-chip microcomputer has FLASH can store jumbo program and continuous data.The functions such as pulse signal acquisition, integrating processing, IC-card read-write, LCD liquid crystal display can have been realized; Described LCD LCD MODULE is characterized in that adopting 128*64 dot matrix, band Chinese word library, and interface is simple, adopts SPI interface, can inquire about at any time accumulative total water total amount and available surplus water; Described IC-card read write line circuit it as the input interface of IC-card water pipe plug-in card metering valve, its communication is when IC-card inserts read/write device, what first read in is the password in card, to judge the legitimacy of this IC-card; IC-card water pipe plug-in card metering valve after having judged the legitimacy of card, read in the purchased water yield and and water meter in surplus water add up, will on card, purchase the zero clearing of water yield unit simultaneously; The information such as water consumption, surplus water on write-back water meter, so that Running-water Company reads during next Gou Shui, realizes the feedback function of water meter information; Described solenoid valve control circuit is as the performer of this system, by flow collection circuit and pressure transducer, the Real-time Collection with water flow signal in water pipe is measured, the automatic control of finishing dealing with to the on/off valve of solenoid valve by super low power consuming single chip processor to this signal, thus reach the control to water consumption in water pipe; It is to adopt dual-Hall sensor for described flow collection circuit, detect two-way hall signal simultaneously, the judgement of timing sampling data is counting forward or counting in reverse, can avoid single Hall element to affect accuracy and the measuring accuracy of water meter water consumption, also can avoid the backwater phenomenon because existing in pipeline simultaneously.Its measuring accuracy is higher, stable performance; It is more accurate that described pressure transducer is used for coordinating in flow collection circuit dual-Hall sensor can reach measuring accuracy in detection signal process simultaneously; Described voltage detecting circuit is after power down being detected, before power supply complete failure, by software control shut electromagnetic valve and to real-time field data, is written in inner FLASH and protects.
Claims (4)
1. a control circuit for water pipe plug-in card metering valve, is characterized in that: comprise 16 super low power consuming single chip processors and the LCD LCD MODULE being connected with 16 super low power consuming single chip processors, IC-card read write line circuit, solenoid valve control circuit, flow collection circuit, pressure transducer and voltage detecting circuit.
2. the control circuit of a kind of water pipe plug-in card metering valve as claimed in claim 1, is characterized in that: described LCD LCD MODULE adopts 128*64 dot matrix, and band Chinese word library, adopts SPI interface, can inquire about at any time accumulative total water total amount and available surplus water.
3. the control circuit of a kind of water pipe plug-in card metering valve as claimed in claim 1, is characterized in that: described IC-card read write line circuit is as the input interface of IC-card water pipe plug-in card metering valve.
4. the control circuit of a kind of water pipe plug-in card metering valve as claimed in claim 1, is characterized in that: described flow collection circuit adopts dual-Hall sensor, detects two-way hall signal simultaneously, and the judgement of timing sampling data is counting forward or counting in reverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743367.3U CN203720936U (en) | 2013-11-20 | 2013-11-20 | Control circuit of water pipe inserting card metering valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743367.3U CN203720936U (en) | 2013-11-20 | 2013-11-20 | Control circuit of water pipe inserting card metering valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720936U true CN203720936U (en) | 2014-07-16 |
Family
ID=51160074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743367.3U Expired - Fee Related CN203720936U (en) | 2013-11-20 | 2013-11-20 | Control circuit of water pipe inserting card metering valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720936U (en) |
-
2013
- 2013-11-20 CN CN201320743367.3U patent/CN203720936U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140716 Termination date: 20141120 |
|
| EXPY | Termination of patent right or utility model |