CN203364900U - Passive wireless concentrated data collection water meter - Google Patents
Passive wireless concentrated data collection water meter Download PDFInfo
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- CN203364900U CN203364900U CN 201320438659 CN201320438659U CN203364900U CN 203364900 U CN203364900 U CN 203364900U CN 201320438659 CN201320438659 CN 201320438659 CN 201320438659 U CN201320438659 U CN 201320438659U CN 203364900 U CN203364900 U CN 203364900U
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Abstract
The utility model discloses a passive wireless concentrated data collection water meter which comprises a liquid flow collection module, a microprocessor, a wireless communication module and a power supply module. The liquid flow collection module is electrically connected with the microprocessor, the microprocessor is connected with the wireless communication module through a second switch tube and a serial interface, the power supply module comprises a water flow electricity generation module, a rectifying circuit and a boosting module, and the boosting module is connected with the power source input end of the microprocessor. The water flow electricity generation module enables the kinetic energy of water flow in a water tube to be converted into electric energy, and after rectification and boosting are carried out through the rectifying circuit and the boosting module, the electric energy is supplied to the microprocessor and the wireless communication module. The liquid flow collection module collects the use water amount to send the use water amount to the microprocessor, the microprocessor sends the data to the wireless communication module, and the working time of the wireless communication module is controlled through the second switch tube. The wireless communication module enables the data to be transmitted to a receiving server through a wireless network. The passive wireless concentrated data collection water meter is suitable for the field of use water amount metering.
Description
Technical field
The utility model relates to a kind of instrumentation, especially relates to a kind of passive and wireless collection of external supply line that do not need and copies water meter.
Background technology
For the meterage of urbanite water consumption, traditional meterage mode is counting cost by gas meter, is also the most frequently used mode.But there are many drawbacks in this traditional counting cost by gas meter mode, as too high as the trouble of registering one's residence, managerial cost, have potential safety hazard etc., be not suitable with the needs of modern estate management.Automatic meter reading system have save time, human and material resources, increase work efficiency, reduce the property cost, the advantage such as on can accurately and timely user's data of water meter being made a copy for, be the trend of charging development of checking meter.
At present, Automatic meter reading system mainly contains following three types:
1, smart card water meter
Adopt and to buy in advance the water yield, the mode of water then, but this mode can't feed back the actual used water amount in time owing to not checking meter, and easily cause supplying water scheduling and equilibrium are difficult to assurance.Once and the metering section of smart card water meter or control section malfunctioning, owing to there not being monitoring, will cause the direct economic loss of water undertaking.For the user, may damage due to smart card, forget that the subjective and objective involuntary expenses of taxation factor of being in arrears with such as supplementing with money causes supplying water and interrupt, and deprive non-mistake resident's watercourse, this is very irrational.
2, wired automatic meter reading system
Mainly comprise two kinds of patterns of separated time centralized automatic meter-reading processed and bus centralized automatic meter-reading processed, but these two kinds of patterns all need to lay special communication cable, have the problem of wiring, the hidden danger such as also had short circuit, open circuit, make the maintenance work difficulty, and cost is higher.
3, wireless kilowatt meter reading-out system
Water meter has data metering and processing capacity, and data realize receiving and sending by wireless mode.But existing scheme generally adopts powered battery, exist serviceable life short, the shortcoming of maintenance cost high (replacing battery).
It is the patent documentation of CN200947048Y that State Intellectual Property Office of the People's Republic of China discloses Granted publication number on 09 12nd, 2007, title is a kind of wireless watermeter, it comprises pulse water meter body, also comprise: a water meter main circuit board, it is comprised of micro-control unit MCU, latch, RAM, supply voltage conversion chip, serial port chip, realizes water meter counting, program download and keypress function; One ZIGBEE communication board, it comprises the CC2420 chip, the CC2420 chip by the radio frequency input/output circuitry, is launched signal or receives signal through antenna, complete and centrostigma/hand-held communicator between data communication work; The pulse water meter is connected by IO interface water meter main circuit board, and the water meter main circuit board is connected with the ZIGBEE communication board by spi bus.This scheme needs outside access 9V power supply, lays cable during installation loaded down with trivial details, goes wrong difficult in maintenance.
Summary of the invention
The utility model is mainly to solve the technical matters that prior art existing serviceable life is short, maintenance cost is high, provides a kind of the use not to be subject to the battery electric quantity restriction in powered battery, serviceable life, without the passive and wireless collection of regularly changing battery, to copy water meter.
The utility model is mainly solved by following technical proposals for above-mentioned technical matters: a kind of passive and wireless collection is copied water meter, comprise the fluid flow acquisition module, microprocessor, wireless communication module and be the supply module of whole water meter power supply, described fluid flow acquisition module is electrically connected to described microprocessor, be connected with the second switch pipe between described microprocessor and described wireless communication module, the controlled terminal of described second switch pipe is connected with the control end of microprocessor, the input end of described second switch pipe is connected with the power output end of microprocessor, the output terminal of described second switch pipe is connected with the power input of wireless communication module, described microprocessor also is connected by serial line interface with wireless communication module, described supply module comprises generating power by water current module, rectification circuit and boost module, the positive pole of described generating power by water current module connects the electrode input end of boost module by rectification circuit, the negative pole of generating power by water current module connects the negative input of boost module, and boost module connects the power input of microprocessor.
Rectification circuit adopts commutation diode.The generating power by water current module is converted into electric energy by the water flow dynamic energy in water pipe, the rectification by rectification circuit and boost module, boost after, be microprocessor and wireless communication module power supply.The structure of fluid flow acquisition module is identical with the structure of conventional electrical formula flowmeter.The water yield that the collection of fluid flow acquisition module is used sends to microprocessor, the data that microprocessor will send by universal serial bus pass to wireless communication module, and by the working time of second switch management and control wireless communication module processed, stop the power supply of wireless communication module when not needing to send data, save the energy.Wireless communication module passes to reception server by data by wireless network (as 2G, 3G network).
As preferably, described generating power by water current module comprises housing, impeller, coil and group of magnets, described impeller connects group of magnets by transmission shaft, described group of magnets is equipped with section in coil, the anodal port of described coil connects rectification circuit, described coil negative pole port is electrically connected to the negative input of boost module, comprise the first chamber and the second chamber in housing, coil and group of magnets are arranged in the first chamber, the second chamber includes the mouth of a river and water delivering orifice, the generating power by water current module is serially connected in water pipe by water inlet and water delivering orifice, impeller is arranged on the water stream channel of the second chamber.
The first chamber and the mutual seal isolation of the second chamber, transmission shaft connects the baffle plate of isolation use.Current enter the second chamber from water inlet and promote to leave the second chamber from water delivering orifice after wheel rotation.Impeller drives group of magnets by transmission shaft and rotates, coil cutting magnetic induction line generation current.Relative the second more close water end (W.E.) of using in chamber installation site in the installation site of liquid flowmeter.The generating power by water current module also can be arranged to group of magnets and fix, and coil is connected with transmission shaft, the pattern of rotating under transmission shaft drives.
As preferably, described supply module also comprises the stream electric capacity that continues, and the described positive pole that continues stream electric capacity connects the electrode input end of boost module, and the described negative pole that continues stream electric capacity connects the negative input of boost module.The stream electric capacity that continues is brought together the faint electric energy of front, for subsequent conditioning circuit, uses.
As preferably, described boost module comprises bootstrap circuit boost, charge pump and super capacitor, the input end of described bootstrap circuit boost connects the positive pole of the stream electric capacity that continues, the output terminal of described bootstrap circuit boost connects the positive pole of super capacitor, the control end of described charge pump connects the control end of bootstrap circuit boost, the other end of charge pump connects the negative pole of super capacitor, the cathode output end of the just very boost module of described super capacitor, the negative pole of described super capacitor is simultaneously as the negative input of boost module and the cathode output end of boost module, the electrode input end that the input end of described bootstrap circuit boost is boost module.
Boost module rises to by voltage the degree that enough subsequent conditioning circuits are used.
As preferably, described boost module also comprises protective circuit of voltage regulation, and the positive pole of described protective circuit of voltage regulation connects the positive pole of super capacitor, and the negative pole of described protective circuit of voltage regulation connects the negative pole of super capacitor.Protective circuit of voltage regulation prevents other elements of the excessive damage of the output voltage of boost module.
As preferably, also be serially connected with management circuit between described boost module and microprocessor, described management circuit comprises voltage checking chip and the first switching tube, described voltage checking chip is in parallel with super capacitor; The controlled terminal of described the first switching tube connects the control end of voltage checking chip, and the input end of described the first switching tube connects the positive pole of super capacitor, and the output terminal of the first switching tube connects the power input positive pole of microprocessor.Management circuit can the super capacitor collection of energy less than the time, system power supply power supply and late-class circuit are cut off fully, make the energy collection work at more efficient state.
As preferably, the passive and wireless collection is copied also involving vibrations generating sheet of water meter, described vibrating power-generation sheet laminating be arranged on water pipe and on circuit with coils from parallel connection of coils.In water pipe, have current by the time can produce vibration, this programme adopts piezoelectric ceramics vibration generating sheet, by adjusting its size and weight, makes it have the natural frequency approaching with water pipe, and resonance occurs, and produces electric energy for measuring system.
The beneficial effect that the utility model brings is, do not need external supply line and data circuit, can use for a long time, as long as there is water consumption just to have the electric energy that sends data, real-time is good, and reliability is high, easy to maintenance.
The accompanying drawing explanation
Fig. 1 is a kind of circuit structure diagram of the present utility model;
In figure: 1, vibrating power-generation sheet, 2, wireless communication module, 3, the generating power by water current module, 4, bootstrap circuit boost, 5, protective circuit of voltage regulation, 6, voltage checking chip, 7, microprocessor, 8, the fluid flow acquisition module.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of passive and wireless collection of the present embodiment is copied water meter, as shown in Figure 1, comprises fluid flow acquisition module 8, microprocessor 7, wireless communication module 2 and is the supply module of whole water meter power supply.Fluid flow acquisition module 8 is electrically connected to microprocessor 7, be connected with second switch pipe T2 between microprocessor 7 and wireless communication module 2, the controlled terminal of second switch pipe T2 is connected with the control end of microprocessor 7, the input end of second switch pipe T2 is connected with the power output end of microprocessor 7, the output terminal of second switch pipe T2 is connected with the power input of wireless communication module 2, and microprocessor 7 also is connected by the SPI serial communication interface with wireless communication module 2.
Supply module comprises generating power by water current module 3, vibrating power-generation sheet 1, rectification circuit, boost module, stream capacitor C 1 and management circuit continue.Rectification circuit adopts commutation diode D1.
Generating power by water current module 3 comprises housing, impeller, coil and group of magnets, impeller connects group of magnets by transmission shaft, group of magnets is equipped with section in coil, the anodal port of coil connects rectification circuit, coil negative pole port is electrically connected to the negative input of boost module, comprise the first chamber and the second chamber in housing, coil and group of magnets are arranged in the first chamber, the second chamber includes the mouth of a river and water delivering orifice, the generating power by water current module is serially connected in water pipe by water inlet and water delivering orifice, and impeller is arranged on the water stream channel of the second chamber.The first chamber and the mutual seal isolation of the second chamber, transmission shaft connects the baffle plate of isolation use.Current enter the second chamber from water inlet and promote to leave the second chamber from water delivering orifice after wheel rotation.Impeller drives group of magnets by transmission shaft and rotates, coil cutting magnetic induction line generation current.Relative the second more close water end (W.E.) of using in chamber installation site in the installation site of liquid flowmeter.
The positive pole of the stream capacitor C 1 that continues connects the electrode input end of boost module, and negative pole connects the negative input of boost module.
Boost module comprises bootstrap circuit boost 4, charge pump K, super capacitor C2 and protective circuit of voltage regulation 5, the input end of bootstrap circuit boost 4 connects the positive pole of the stream capacitor C 1 that continues, the output terminal of bootstrap circuit boost 4 connects the positive pole of super capacitor C2, the control end of charge pump K connects the control end of bootstrap circuit boost 4, the other end of charge pump K connects the negative pole of super capacitor C2, the cathode output end of the just very boost module of super capacitor C2, the negative pole of super capacitor C2 is simultaneously as the negative input of boost module and the cathode output end of boost module, the electrode input end that the input end of bootstrap circuit boost 4 is boost module.The positive pole of protective circuit of voltage regulation 5 connects the positive pole of super capacitor C2, and negative pole connects the negative pole of super capacitor C2.
Management circuit comprises voltage checking chip 6 and the first switch transistor T 1, and voltage checking chip 6 is in parallel with super capacitor C2; The controlled terminal of the first switch transistor T 1 connects the control end of voltage checking chip 6, and the input end of the first switch transistor T 1 connects the positive pole of super capacitor C2, and the output terminal of the first switch transistor T 1 connects the power input positive pole of microprocessor 7.
Vibrating power-generation sheet 1 laminating be arranged on water pipe and on circuit with coils from parallel connection of coils.
The generating power by water current module is converted into electric energy by the water flow dynamic energy in water pipe, and the vibrating power-generation sheet is electric energy by the energy conversion of water pipe vibration, the rectification by rectification circuit and boost module of two strands of electric energy, boost after, be microprocessor and wireless communication module power supply.The structure of fluid flow acquisition module is identical with the structure of conventional electrical formula flowmeter.The water yield that the collection of fluid flow acquisition module is used sends to microprocessor, the data that microprocessor will send by universal serial bus pass to wireless communication module, and by the working time of second switch management and control wireless communication module processed, stop the power supply of wireless communication module when not needing to send data, save the energy.Wireless communication module passes to reception server by data by wireless network (as 2G, 3G network).
This programme characteristics are as follows:
1, high-precision flow sampling unit: native system adopts the Hall components and parts, by detecting magnetic elements, produces count pulse, at the digital signal paired pulses through back, is processed, and instant computing goes out current fluid flow information.
2, super low-power consumption MCU design: native system is done power supply and low-power consumption management on program, uses few energy just can realize monitoring and the control of flow.
3, RF isolation technology: native system adopts the high frequency radio data transmission technology, and data sink and measured point be without any physical connection, the electrical isolation safety and reliability.
4, CRC check: native system adopts the CRC technology, and data receiver carries out CRC check to the data of receiving, further improves the reliability of measuring, and has avoided data to misrepresent deliberately and report by mistake.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more been used the terms such as generating power by water current module, bootstrap circuit boost, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (7)
1. a passive and wireless collection is copied water meter, comprise the fluid flow acquisition module, microprocessor, wireless communication module and be the supply module of whole water meter power supply, it is characterized in that, described fluid flow acquisition module is electrically connected to described microprocessor, be connected with the second switch pipe between described microprocessor and described wireless communication module, the controlled terminal of described second switch pipe is connected with the control end of microprocessor, the input end of described second switch pipe is connected with the power output end of microprocessor, the output terminal of described second switch pipe is connected with the power input of wireless communication module, described microprocessor also is connected by serial line interface with wireless communication module, described supply module comprises generating power by water current module, rectification circuit and boost module, the positive pole of described generating power by water current module connects the electrode input end of boost module by rectification circuit, the negative pole of generating power by water current module connects the negative input of boost module, and boost module connects the power input of microprocessor.
2. passive and wireless collection according to claim 1 is copied water meter, it is characterized in that, described generating power by water current module comprises housing, impeller, coil and group of magnets, described impeller connects group of magnets by transmission shaft, described group of magnets is equipped with section in coil, the anodal port of described coil connects rectification circuit, described coil negative pole port is electrically connected to the negative input of boost module, comprise the first chamber and the second chamber in housing, coil and group of magnets are arranged in the first chamber, the second chamber includes the mouth of a river and water delivering orifice, the generating power by water current module is serially connected in water pipe by water inlet and water delivering orifice, impeller is arranged on the water stream channel of the second chamber.
3. passive and wireless collection according to claim 2 is copied water meter, it is characterized in that, described supply module also comprises the stream electric capacity that continues, and the described positive pole that continues stream electric capacity connects the electrode input end of boost module, and the described negative pole that continues stream electric capacity connects the negative input of boost module.
4. passive and wireless collection according to claim 3 is copied water meter, it is characterized in that, described boost module comprises bootstrap circuit boost, charge pump and super capacitor, the input end of described bootstrap circuit boost connects the positive pole of the stream electric capacity that continues, the output terminal of described bootstrap circuit boost connects the positive pole of super capacitor, the control end of described charge pump connects the control end of bootstrap circuit boost, the other end of charge pump connects the negative pole of super capacitor, the cathode output end of the just very boost module of described super capacitor, the negative pole of described super capacitor is simultaneously as the negative input of boost module and the cathode output end of boost module, the electrode input end that the input end of described bootstrap circuit boost is boost module.
5. passive and wireless collection according to claim 4 is copied water meter; it is characterized in that; described boost module also comprises protective circuit of voltage regulation, and the positive pole of described protective circuit of voltage regulation connects the positive pole of super capacitor, and the negative pole of described protective circuit of voltage regulation connects the negative pole of super capacitor.
6. copy water meter according to the described passive and wireless collection of claim 4 or 5, it is characterized in that, also be serially connected with management circuit between described boost module and microprocessor, described management circuit comprises voltage checking chip and the first switching tube, and described voltage checking chip is in parallel with super capacitor; The controlled terminal of described the first switching tube connects the control end of voltage checking chip, and the input end of described the first switching tube connects the positive pole of super capacitor, and the output terminal of the first switching tube connects the power input positive pole of microprocessor.
7. copy water meter according to claim 2 or 3 or 4 or 5 described passive and wireless collection, it is characterized in that, go back involving vibrations generating sheet, described vibrating power-generation sheet laminating be arranged on water pipe and on circuit with coils from parallel connection of coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320438659 CN203364900U (en) | 2013-07-23 | 2013-07-23 | Passive wireless concentrated data collection water meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320438659 CN203364900U (en) | 2013-07-23 | 2013-07-23 | Passive wireless concentrated data collection water meter |
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| CN203364900U true CN203364900U (en) | 2013-12-25 |
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| CN 201320438659 Expired - Lifetime CN203364900U (en) | 2013-07-23 | 2013-07-23 | Passive wireless concentrated data collection water meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869738A (en) * | 2014-04-01 | 2014-06-18 | 山东潍微科技股份有限公司 | Passive meter reading and counting device |
| CN105781854A (en) * | 2016-05-04 | 2016-07-20 | 武景新 | Tap water pipeline water flow self- power generation device and use method thereof |
| CN107144771A (en) * | 2017-05-23 | 2017-09-08 | 康体佳智能科技（深圳）有限公司 | A kind of water flow indicator system of built-in intelligence monitoring function |
| CN108091060A (en) * | 2018-01-29 | 2018-05-29 | 福建天蕊光电有限公司 | One kind is based on piezoelectric ceramics self-powered intelligent water meter |
-
2013
- 2013-07-23 CN CN 201320438659 patent/CN203364900U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869738A (en) * | 2014-04-01 | 2014-06-18 | 山东潍微科技股份有限公司 | Passive meter reading and counting device |
| CN105781854A (en) * | 2016-05-04 | 2016-07-20 | 武景新 | Tap water pipeline water flow self- power generation device and use method thereof |
| CN107144771A (en) * | 2017-05-23 | 2017-09-08 | 康体佳智能科技（深圳）有限公司 | A kind of water flow indicator system of built-in intelligence monitoring function |
| CN108091060A (en) * | 2018-01-29 | 2018-05-29 | 福建天蕊光电有限公司 | One kind is based on piezoelectric ceramics self-powered intelligent water meter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |