CN202058245U - Intelligent non-contact card style water meter - Google Patents
Intelligent non-contact card style water meter Download PDFInfo
- Publication number
- CN202058245U CN202058245U CN2011201518363U CN201120151836U CN202058245U CN 202058245 U CN202058245 U CN 202058245U CN 2011201518363 U CN2011201518363 U CN 2011201518363U CN 201120151836 U CN201120151836 U CN 201120151836U CN 202058245 U CN202058245 U CN 202058245U
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- water meter
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- control circuit
- valve
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Abstract
The utility model relates to an intelligent non-contact card style water meter, which is characterized by comprising a water meter flowmeter, a valve and a controller. The water meter flowmeter and the valve are respectively and electrically connected with the controller. The controller comprises a measuring circuit and a control circuit, and the measuring circuit comprises a 16-bit analog to digital (A/D) converter and a voltage-stabilizing circuit and is used for transmitting signals to the control circuit. The control circuit comprises a singlechip, and the singlechip receives the information from an integrated circuit (IC) card reading and writing circuit and a calculator and controls the valve, wherein the integrated circuit (IC) card reading and writing circuit is composed of a radio frequency receiving and sending circuit and a base station. The technical scheme of the intelligent non-contact card style water meter has the advantages of being safe in use, reliable and convenient to operate.
Description
Technical field
The utility model relates to the water meter in a kind of water supply pipe water supply installation, is specifically related to a kind of contact type intelligent card formula water meter.
Background technology
Along with The development in society and economy, China's water resource becomes to present day by day and lacks, and nearly all test all exists water shortage problem, and in big and medium-sized cities, this phenomenon is particularly outstanding.Therefore, water receiving becomes a problem with social development and people's lives substantial connection.The prepay water meter that a kind of people's of raising consciousness of saving water is arranged in the prior art, but, be easy to cause bayonet socket to make moist because it adopts the mode of Contact Type Ic Card, think that attack waits the insecure problem of work.
Summary of the invention
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of safe in utilization, reliable, easy to operate contact type intelligent card formula water meter.
For achieving the above object, the utility model provides following technical scheme: a kind of contact type intelligent card formula water meter, it is characterized in that: comprise watermeter flowing rate meter, valve and controller, watermeter flowing rate meter, valve are electrically connected with controller respectively, controller comprises metering circuit and control circuit, metering circuit comprises 16 A/D conversions, mu balanced circuit, and signal is delivered to control circuit; Control circuit comprises single-chip microcomputer, and it accepts free RF transmit-receive circuit, the IC-card read/write circuit of base station composition and the information of counter, and by-pass valve control.
The utility model further is set to: the metering circuit output measurement data of described controller is to communication port.
The utility model further is set to: the control circuit of described controller connects one and shows liquid crystal.
Technical solutions of the utility model, in the IC-card with the forward purchasing water yield and other user profile that the user will buy by administrative authority was placed on apart from the controller certain distance, the IC-card radio frequency read/write circuit in the controller was just discerned automatically and is read and write IC-card.After the information of confirming to be read and write, with the forward purchasing water yield in the IC-card read in the controller single-chip microcomputer and with this information storage, simultaneously by control circuit with valve open, this moment, water meter was in opening.When the current water meter of flowing through, the sensor of installing on the water meter just reaches controller with electric impulse signal.By the pulse signal of continuous acceptance from flowmeter, the single-chip microcomputer in the controller converts the umber of pulse of receiving to flow by the A/D conversion, and the electric pulse number of accepting along with controller constantly increases, and the flow of the accumulation in the single-chip microcomputer also adds up gradually.The integrated flux of storage current in the single-chip microcomputer (promptly purchasing the water yield in advance) with actual measurement subtracted each other, just can obtain the real surplus water yield in the water meter.Also reach communication port during this information of same, can be used for remote centralized meter-reading and control.Along with the continuous increase of the watermeter flowing rate of flowing through, the surplus water of controller single-chip microcomputer constantly reduces, and when surplus water reduced to a certain value, the hummer in the controller was purchased water with the alarm user.Continue to use and do not purchase water as the user, when being zero to the interior surplus water of table, the control circuit in the controller is then with valve closing.Need use again as the user, must purchase water with IC-card by administrative authority.So repeatedly, the user can constantly use IC-card to buy the water yield from administrative authority, reaches the purpose of water, and administrative authority also can carry out management of the use of water easily by user's the water information of purchasing.The utility model contact type intelligent card formula water meter has the following advantages: therefore the controller of water meter can be user-friendly to away from water meter, especially is installed in the water meter of specific position for some, and the advantage of this structure is particularly outstanding; Because the read-write of the IC-card of contactless water meter is noncontact, thereby many drawbacks of Contact Type Ic Card have been avoided, make moist, think attack, unreliable, the loss of data of work etc. as bayonet socket, therefore contact type intelligent card formula water meter has very high reliability, goes for some special places.In addition, the communication port of contact type intelligent card formula water meter can also be used as remote centralized meter-reading and control, links etc. like rain estate management or banking system.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the utility model contact type intelligent card formula water meter embodiment theory diagram.
Embodiment
Referring to accompanying drawing 1, the disclosed contact type intelligent card formula of the utility model water meter, comprise watermeter flowing rate meter 1, valve 3 and controller 2, watermeter flowing rate meter 1, valve 3 are electrically connected with controller 2 respectively, controller 2 comprises metering circuit and control circuit, metering circuit comprises 16 A/D conversions, mu balanced circuit, and signal is delivered to control circuit; Control circuit comprises single-chip microcomputer, and it accepts free RF transmit-receive circuit, the IC-card read/write circuit of base station composition and the information of counter, and control by-pass valve control 3.The metering circuit output measurement data of controller 2 is to communication port.The control circuit of controller 2 connects one and shows liquid crystal, shows that liquid crystal is fixed on the controller, but the integrated flow of display water-meter, surplus water, valve working state.It also has low electric alarm function.When the voltage of battery in the controller is lower than a certain numerical value, hummer in the controller 2 is also changed battery with alarm with the prompting user, continue use and do not change battery as the user, when cell voltage is lower than a certain numerical value, control circuit in the controller cuts out by-pass valve control, want to continue to use water meter as the user, must change battery.
The principle of work of contact type intelligent card formula water meter is: in the IC-card with the forward purchasing water yield and other user profile that the user will buy by administrative authority was placed on apart from controller 2 certain distances, the IC-card radio frequency read/write circuit in the controller 2 was just discerned automatically and is read and write IC-card.After the information of confirming to be read and write, with the forward purchasing water yield in the IC-card read in the controller 2 single-chip microcomputer and with this information storage, by control circuit valve 3 is opened simultaneously, this moment, water meter was in opening.When the current water meter of flowing through, the sensor of installing on the water meter just reaches electric impulse signal controller 2.By the pulse signal of continuous acceptance from flowmeter 2, the single-chip microcomputer in the controller 2 converts the umber of pulse of receiving to flow by the A/D conversion, and the electric pulse number of accepting along with controller 2 constantly increases, and the flow of the accumulation in the single-chip microcomputer also adds up gradually.The integrated flux of storage current in the single-chip microcomputer (promptly purchasing the water yield in advance) with actual measurement subtracted each other, just can obtain the real surplus water yield in the water meter.Also reach communication port during this information of same, can be used for remote centralized meter-reading and control.Along with the continuous increase of the watermeter flowing rate of flowing through, the surplus water of controller single-chip microcomputer constantly reduces, and when surplus water reduced to a certain value, the hummer in the controller 2 was purchased water with the alarm user.Continue to use and do not purchase water as the user, when being zero to the interior surplus water of table, the control circuit in the controller 2 then cuts out valve 3.Need use again as the user, must purchase water with IC-card by administrative authority.So repeatedly, the user can constantly use IC-card to buy the water yield from administrative authority, reaches the purpose of water, and administrative authority also can carry out management of the use of water easily by user's the water information of purchasing.
Contact type intelligent card formula water meter has the following advantages: therefore the controller 2 of water meter can be user-friendly to away from water meter, especially is installed in the water meter of specific position for some, and the advantage of this structure is particularly outstanding; Because the read-write of the IC-card of contactless water meter is noncontact, thereby many drawbacks of Contact Type Ic Card have been avoided, make moist, think attack, unreliable, the loss of data of work etc. as bayonet socket, therefore contact type intelligent card formula water meter has very high reliability, goes for some special places.In addition, the communication port of contact type intelligent card formula water meter can also be used as remote centralized meter-reading and control, links etc. like rain estate management or banking system.
Claims (3)
1. contact type intelligent card formula water meter, it is characterized in that: comprise watermeter flowing rate meter, valve and controller, watermeter flowing rate meter, valve are electrically connected with controller respectively, controller comprises metering circuit and control circuit, metering circuit comprises 16 A/D conversions, mu balanced circuit, and signal is delivered to control circuit; Control circuit comprises single-chip microcomputer, and it accepts free RF transmit-receive circuit, the IC-card read/write circuit of base station composition and the information of counter, and by-pass valve control.
2. contact type intelligent card formula water meter according to claim 1 is characterized in that: the metering circuit output measurement data of described controller is to communication port.
3. contact type intelligent card formula water meter according to claim 2 is characterized in that: the control circuit of described controller connects one and shows liquid crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201518363U CN202058245U (en) | 2011-05-13 | 2011-05-13 | Intelligent non-contact card style water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201518363U CN202058245U (en) | 2011-05-13 | 2011-05-13 | Intelligent non-contact card style water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202058245U true CN202058245U (en) | 2011-11-30 |
Family
ID=45018214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201518363U Expired - Fee Related CN202058245U (en) | 2011-05-13 | 2011-05-13 | Intelligent non-contact card style water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202058245U (en) |
-
2011
- 2011-05-13 CN CN2011201518363U patent/CN202058245U/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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG CHUANGLI ELECTRONIC CO., LTD. Free format text: FORMER NAME: WENZHOU CHUANGLI ELECTRONICS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 325000, No. 1599, Binhai, Wenzhou economic and Technological Development Zone, Wenzhou, Zhejiang Patentee after: Zhejiang Chuangli Electronic Co., Ltd. Address before: 325000, No. 2, building 10, 2 high tech Industrial Park, Zhejiang, Wenzhou Province Patentee before: Wenzhou Makepower Electronics Co., Ltd. |
|
| 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: 20111130 Termination date: 20180513 |