CN204204113U - High precision IC-card water meter - Google Patents
High precision IC-card water meter Download PDFInfo
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- CN204204113U CN204204113U CN201420647131.4U CN201420647131U CN204204113U CN 204204113 U CN204204113 U CN 204204113U CN 201420647131 U CN201420647131 U CN 201420647131U CN 204204113 U CN204204113 U CN 204204113U
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Abstract
The utility model discloses a kind of high precision IC-card water meter, comprise measuring apparatus, photoelectric sensor, caliberating device, dry bourdon tube sensor, single-chip microcomputer, IC-card interface circuit, data-carrier store, liquid crystal display, power circuit, interface circuit, electromagnetic valve and Hall element, single-chip microcomputer gathers the information of measuring apparatus by dry bourdon tube sensor, single-chip microcomputer gathers the information of electromagnetic valve by Hall element, caliberating device, IC-card interface circuit, data-carrier store, liquid crystal display is connected with the corresponding pin of single-chip microcomputer respectively, the signal output part of measuring apparatus is connected with the signal input part of photoelectric sensor and the signal input part of dry bourdon tube sensor respectively, the signal output part of photoelectric sensor is connected with the photosignal input end of caliberating device, power circuit provides power supply for this water meter.In the utility model, caliberating device can improve accuracy of water meter, and photoelectric sensor is used for the rotating speed that timing signal accurately measures water meter.
Description
Technical field
The utility model relates to a kind of IC-card water meter, particularly relates to a kind of high precision IC-card water meter.
Background technology
The teletransmission dry-type meter used in the IC-card water meter of current domestic production is imitated or buys external remote transmitting water meter, still the metering method of traditional mechanical water meter is adopted with the metering of water, the measuring accuracy of table is still ensured by mechanical part, the calibration process workload of table is large, the raising difficulty of measuring accuracy, existing IC-card water meter is from reliably, practical and cost control aspect considers, generally all adopt common dry cell as the power supply of power supply, but common dry cell electricity is limited, therefore, normal appearance causes the situation of cutting off the water because of the dead battery of IC-card water meter.
Utility model content
The purpose of this utility model is just to provide a kind of high precision IC-card water meter to solve the problem.
In order to achieve the above object, the utility model have employed following technical scheme:
A kind of high precision IC-card water meter, comprises measuring apparatus, photoelectric sensor, caliberating device, dry bourdon tube sensor, single-chip microcomputer, IC-card interface circuit, data-carrier store, liquid crystal display, power circuit, interface circuit, electromagnetic valve and Hall element, the signal input part of described measuring apparatus is connected with the signal output part of described electromagnetic valve, the signal output part of described measuring apparatus is connected with the signal input part of described photoelectric sensor and the signal input part of described dry bourdon tube sensor respectively, the signal output part of described photoelectric sensor is connected with the photosignal input end of described caliberating device, the described signal output part of dry bourdon tube sensor is connected with the signals collecting end of described single-chip microcomputer, described caliberating device, described IC-card interface circuit, described data-carrier store, described liquid crystal display is connected with the corresponding pin of described single-chip microcomputer respectively, the output terminal of described power circuit is connected with the power input of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the signal input part of described electromagnetic valve by described interface circuit, and the signal output part of described electromagnetic valve is connected with the signals collecting end of described single-chip microcomputer by described Hall element.
In said structure, caliberating device can improve accuracy of water meter; Photoelectric sensor is used for the rotating speed that timing signal accurately measures water meter; Measuring apparatus is used for the rotating speed of impeller in measuring apparatus to pass to dry bourdon tube sensor, and dry bourdon tube sensor is for realizing the cumulative measurement of water consumption and being electric signal by Water interaction.
Particularly, the model of described single-chip microcomputer is PIC16F84; Single-chip microcomputer to be gone forward side by side row relax for receiving electric signal, and liquid crystal display is for showing the information after single-chip microcomputer process.
Particularly, the power circuit of described high precision IC-card water meter comprises AC power, battery, transformer, bridge rectifier circuit, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first diode, second diode, first integrated regulator, second integrated regulator, 3rd integrated regulator, time-base integrated circuit, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, first switching tube, second switch pipe, photocoupler, voltage stabilizing diode and voltage table, the first end of described AC power is connected with the first end of the primary coil of described transformer, second end of described AC power is connected with the second end of the primary coil of described transformer, the first end of the secondary coil of described transformer is connected with the first ac voltage input of described bridge rectifier circuit, second end of the secondary coil of described transformer is connected with the second ac voltage input of described bridge rectifier circuit, the negative pole of described bridge rectifier circuit respectively with the first end of described first electric capacity, the first end of described second electric capacity, the first end of described 4th electric capacity, the earth terminal of described first integrated regulator, the first end of described 3rd electric capacity, the earth terminal of described second integrated regulator is connected rear ground connection with the negative pole of described second diode, second end of described first electric capacity is connected with the negative pole of described first diode, the positive pole of described first diode is connected with the second end of described second electric capacity and the input end of described first integrated regulator respectively, the output terminal of described first integrated regulator is connected with the second end of described 3rd electric capacity and the input end of described second integrated regulator respectively, the output terminal of described second integrated regulator is connected with the output terminal of described 3rd integrated regulator and the collector of described second switch pipe respectively, the output terminal of described second integrated regulator is the first signal output part of described power circuit, the positive pole of described bridge rectifier circuit respectively with the second end of described 4th electric capacity, the first end of described 3rd resistance, the emitter of described second switch pipe is connected with the first end of described 4th resistance, second end of described 3rd resistance is connected with the input end of described 3rd integrated regulator and the base stage of described second switch pipe respectively, the earth terminal of described 3rd integrated regulator is connected with the positive pole of described second diode, second end of described 4th resistance is connected with the first end of described 5th resistance and the emitter of described first switching tube respectively, second end of described 5th resistance is connected with the first end of described 6th resistance and the base stage of described first switching tube respectively, the collector of described first switching tube is connected with the first end of described voltage table and the negative pole of described voltage stabilizing diode respectively, the secondary signal output terminal of the very described power circuit of current collection of described first switching tube, second end ground connection of described voltage table, second end of described 6th resistance is connected with the collector of described photocoupler, the emitter of described photocoupler is connected rear ground connection with the first end of described 7th resistance, second end of described 7th resistance is connected with the positive pole of described voltage stabilizing diode and the discharge end of described time-base integrated circuit respectively, the negative pole of described photocoupler is connected with the first end of described 8th resistance, second end ground connection of described 8th resistance, the positive pole of described photocoupler is connected with the output terminal of described time-base integrated circuit, the threshold value input of described time-base integrated circuit respectively with the positive pole of described battery, the first end of described first resistance, the reset terminal of described time-base integrated circuit is connected with the power end of described time-base integrated circuit, second end of described first resistance is connected with the trigger end of described time-base integrated circuit and the first end of described second resistance respectively, second end ground connection of described second resistance, the earth terminal ground connection of described time-base integrated circuit.
The beneficial effects of the utility model are:
In the utility model, caliberating device can improve accuracy of water meter, photoelectric sensor is used for the rotating speed that timing signal accurately measures water meter, power circuit of the present utility model adopts Alternating Current Power Supply and battery powered mode, there will not be and cause the situation of cutting off the water because of the dead battery of IC-card water meter, after with electric fault or power failure, by the dry cell power supply in battery case, also can not cause the situation of cutting off the water caused because of having a power failure.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of a kind of high precision IC-card of the utility model water meter;
Fig. 2 is the circuit structure schematic diagram of the power circuit of a kind of high precision IC-card of the utility model water meter.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of high precision IC-card of the utility model water meter, comprises measuring apparatus, photoelectric sensor, caliberating device, dry bourdon tube sensor, single-chip microcomputer, IC-card interface circuit, data-carrier store, liquid crystal display, power circuit, interface circuit, electromagnetic valve and Hall element, the signal input part of measuring apparatus is connected with the signal output part of electromagnetic valve, the signal output part of measuring apparatus is connected with the signal input part of photoelectric sensor and the signal input part of dry bourdon tube sensor respectively, the signal output part of photoelectric sensor is connected with the photosignal input end of caliberating device, the signal output part of dry bourdon tube sensor is connected with the signals collecting end of single-chip microcomputer, caliberating device, IC-card interface circuit, data-carrier store, liquid crystal display is connected with the corresponding pin of single-chip microcomputer respectively, the output terminal of power circuit is connected with the power input of single-chip microcomputer, the control signal output terminal of single-chip microcomputer is connected with the signal input part of electromagnetic valve by interface circuit, and the signal output part of electromagnetic valve is connected with the signals collecting end of single-chip microcomputer by Hall element, the model of single-chip microcomputer is PIC16F84.
As shown in Figure 2, the power circuit of high precision IC-card water meter comprises AC power AC, battery, transformer T, bridge rectifier circuit BR, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, first diode D1, second diode D2, first integrated regulator IC1, second integrated regulator IC2, 3rd integrated regulator IC3, time-base integrated circuit IC4, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, 8th resistance R8, first switching tube Q1, second switch pipe Q2, photocoupler OC, voltage stabilizing diode ZD and voltage table P, the first end of AC power AC is connected with the first end of the primary coil of transformer T, second end of AC power AC is connected with the second end of the primary coil of transformer T, the first end of the secondary coil of transformer T is connected with first ac voltage input of bridge rectifier circuit BR, second end of the secondary coil of transformer T is connected with second ac voltage input of bridge rectifier circuit BR, the negative pole of bridge rectifier circuit BR respectively with the first end of the first electric capacity C1, the first end of the second electric capacity C2, the first end of the 4th electric capacity C4, the earth terminal of the first integrated regulator IC1, the first end of the 3rd electric capacity C3, the earth terminal of the second integrated regulator IC2 is connected rear ground connection with the negative pole of the second diode D2, second end of the first electric capacity C1 is connected with the negative pole of the first diode D1, the positive pole of the first diode D1 is connected with second end of the second electric capacity C2 and the input end of the first integrated regulator IC1 respectively, the output terminal of the first integrated regulator IC1 is connected with second end of the 3rd electric capacity C3 and the input end of the second integrated regulator IC2 respectively, the output terminal of the second integrated regulator IC2 is connected with the output terminal of the 3rd integrated regulator IC3 and the collector of second switch pipe Q2 respectively, the output terminal of the second integrated regulator IC2 is the first signal output part of power circuit, the positive pole of bridge rectifier circuit BR respectively with second end of the 4th electric capacity C4, the first end of the 3rd resistance R3, the emitter of second switch pipe Q2 is connected with the first end of the 4th resistance R4, second end of the 3rd resistance R3 is connected with the input end of the 3rd integrated regulator IC3 and the base stage of second switch pipe Q2 respectively, the earth terminal of the 3rd integrated regulator IC3 is connected with the positive pole of the second diode D2, second end of the 4th resistance R4 is connected with the first end of the 5th resistance R5 and the emitter of the first switching tube Q1 respectively, second end of the 5th resistance R5 is connected with the first end of the 6th resistance R6 and the base stage of the first switching tube Q1 respectively, the collector of the first switching tube Q1 is connected with the first end of voltage table P and the negative pole of voltage stabilizing diode ZD respectively, the secondary signal output terminal of the current collection of the first switching tube Q1 very power circuit, the second end ground connection of voltage table P, second end of the 6th resistance R6 is connected with the collector of photocoupler OC, the emitter of photocoupler OC is connected rear ground connection with the first end of the 7th resistance R7, second end of the 7th resistance R7 is connected with the positive pole of voltage stabilizing diode ZD and the discharge end of time-base integrated circuit IC4 respectively, the negative pole of photocoupler OC is connected with the first end of the 8th resistance R8, the second end ground connection of the 8th resistance R8, the positive pole of photocoupler OC is connected with the output terminal of time-base integrated circuit IC4, the threshold value input of time-base integrated circuit IC4 respectively with the positive pole of battery, the first end of the first resistance R1, the reset terminal of time-base integrated circuit IC4 is connected with the power end of time-base integrated circuit IC4, second end of the first resistance R1 is connected with the trigger end of time-base integrated circuit IC4 and the first end of the second resistance R2 respectively, the second end ground connection of the second resistance R2, the earth terminal ground connection of time-base integrated circuit IC4.
During enforcement, photoelectric sensor is used for the rotating speed that timing signal accurately measures water meter, power circuit of the present utility model adopts Alternating Current Power Supply and battery powered mode, there will not be and cause the situation of cutting off the water because of the dead battery of IC-card water meter, after with electric fault or power failure, by the dry cell power supply in battery case, also can not cause the situation of cutting off the water caused because of having a power failure.
Claims (3)
1. a high precision IC-card water meter, is characterized in that: comprise measuring apparatus, photoelectric sensor, caliberating device, dry bourdon tube sensor, single-chip microcomputer, IC-card interface circuit, data-carrier store, liquid crystal display, power circuit, interface circuit, electromagnetic valve and Hall element, the signal input part of described measuring apparatus is connected with the signal output part of described electromagnetic valve, the signal output part of described measuring apparatus is connected with the signal input part of described photoelectric sensor and the signal input part of described dry bourdon tube sensor respectively, the signal output part of described photoelectric sensor is connected with the photosignal input end of described caliberating device, the described signal output part of dry bourdon tube sensor is connected with the signals collecting end of described single-chip microcomputer, described caliberating device, described IC-card interface circuit, described data-carrier store, described liquid crystal display is connected with the corresponding pin of described single-chip microcomputer respectively, the output terminal of described power circuit is connected with the power input of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the signal input part of described electromagnetic valve by described interface circuit, and the signal output part of described electromagnetic valve is connected with the signals collecting end of described single-chip microcomputer by described Hall element.
2. high precision IC-card water meter according to claim 1, is characterized in that: the model of described single-chip microcomputer is PIC16F84.
3. high precision IC-card water meter according to claim 1, it is characterized in that: the power circuit of described high precision IC-card water meter comprises AC power, battery, transformer, bridge rectifier circuit, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first diode, second diode, first integrated regulator, second integrated regulator, 3rd integrated regulator, time-base integrated circuit, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, first switching tube, second switch pipe, photocoupler, voltage stabilizing diode and voltage table, the first end of described AC power is connected with the first end of the primary coil of described transformer, second end of described AC power is connected with the second end of the primary coil of described transformer, the first end of the secondary coil of described transformer is connected with the first ac voltage input of described bridge rectifier circuit, second end of the secondary coil of described transformer is connected with the second ac voltage input of described bridge rectifier circuit, the negative pole of described bridge rectifier circuit respectively with the first end of described first electric capacity, the first end of described second electric capacity, the first end of described 4th electric capacity, the earth terminal of described first integrated regulator, the first end of described 3rd electric capacity, the earth terminal of described second integrated regulator is connected rear ground connection with the negative pole of described second diode, second end of described first electric capacity is connected with the negative pole of described first diode, the positive pole of described first diode is connected with the second end of described second electric capacity and the input end of described first integrated regulator respectively, the output terminal of described first integrated regulator is connected with the second end of described 3rd electric capacity and the input end of described second integrated regulator respectively, the output terminal of described second integrated regulator is connected with the output terminal of described 3rd integrated regulator and the collector of described second switch pipe respectively, the output terminal of described second integrated regulator is the first signal output part of described power circuit, the positive pole of described bridge rectifier circuit respectively with the second end of described 4th electric capacity, the first end of described 3rd resistance, the emitter of described second switch pipe is connected with the first end of described 4th resistance, second end of described 3rd resistance is connected with the input end of described 3rd integrated regulator and the base stage of described second switch pipe respectively, the earth terminal of described 3rd integrated regulator is connected with the positive pole of described second diode, second end of described 4th resistance is connected with the first end of described 5th resistance and the emitter of described first switching tube respectively, second end of described 5th resistance is connected with the first end of described 6th resistance and the base stage of described first switching tube respectively, the collector of described first switching tube is connected with the first end of described voltage table and the negative pole of described voltage stabilizing diode respectively, the secondary signal output terminal of the very described power circuit of current collection of described first switching tube, second end ground connection of described voltage table, second end of described 6th resistance is connected with the collector of described photocoupler, the emitter of described photocoupler is connected rear ground connection with the first end of described 7th resistance, second end of described 7th resistance is connected with the positive pole of described voltage stabilizing diode and the discharge end of described time-base integrated circuit respectively, the negative pole of described photocoupler is connected with the first end of described 8th resistance, second end ground connection of described 8th resistance, the positive pole of described photocoupler is connected with the output terminal of described time-base integrated circuit, the threshold value input of described time-base integrated circuit respectively with the positive pole of described battery, the first end of described first resistance, the reset terminal of described time-base integrated circuit is connected with the power end of described time-base integrated circuit, second end of described first resistance is connected with the trigger end of described time-base integrated circuit and the first end of described second resistance respectively, second end ground connection of described second resistance, the earth terminal ground connection of described time-base integrated circuit.
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|---|---|---|---|
| CN201420647131.4U CN204204113U (en) | 2014-10-30 | 2014-10-30 | High precision IC-card water meter |
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| CN201420647131.4U CN204204113U (en) | 2014-10-30 | 2014-10-30 | High precision IC-card water meter |
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| CN204204113U true CN204204113U (en) | 2015-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282087A (en) * | 2014-10-30 | 2015-01-14 | 成都龙腾中远信息技术有限公司 | High-precision IC card water meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282087A (en) * | 2014-10-30 | 2015-01-14 | 成都龙腾中远信息技术有限公司 | High-precision IC card water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yi Huayong Inventor after: Cheng Xiaokun Inventor after: Zhang Deren Inventor before: Li Yabin Inventor before: Zhang Xingxing Inventor before: Tian Jianhao |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160517 Address after: 101100 Beijing city Tongzhou District Guan Village Tongzhou Science Park Bridge Science and technology industrial base of Jing Sheng two Street South Street No. 25, floor 23 Patentee after: Beijing Fine & Clean Energy Co., Ltd. Address before: High tech Zone Tianchen road Chengdu City, Sichuan province 610041 No. 88 Patentee before: Chengdu Longteng Zhongyuan Information Technology Co., Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 101102 Tongzhou District science and Technology Park, Zhongguancun, Tongzhou science and Technology Park Jinqiao Park Industrial Park, the base of the king of the south, two street, building No. 23, No. 25 Patentee after: Beijing jiajieneng Polytron Technologies Inc Address before: 101100 Beijing city Tongzhou District Guan Village Tongzhou Science Park Bridge Science and technology industrial base of Jing Sheng two Street South Street No. 25, floor 23 Patentee before: Beijing Fine & Clean Energy Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-precision IC card water meter Effective date of registration: 20180921 Granted publication date: 20150311 Pledgee: Bank of Beijing Zhongguancun branch, Limited by Share Ltd, Haidian Pledgor: Beijing jiajieneng Polytron Technologies Inc Registration number: 2018990000862 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210419 Granted publication date: 20150311 Pledgee: Bank of Beijing Zhongguancun branch Limited by Share Ltd. Haidian Pledgor: BEIJING JIAJIENENG TECHNOLOGY Co.,Ltd. Registration number: 2018990000862 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |