CN203364899U - Passive wireless concentrated data collection gas meter - Google Patents
Passive wireless concentrated data collection gas meter Download PDFInfo
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- CN203364899U CN203364899U CN 201320438657 CN201320438657U CN203364899U CN 203364899 U CN203364899 U CN 203364899U CN 201320438657 CN201320438657 CN 201320438657 CN 201320438657 U CN201320438657 U CN 201320438657U CN 203364899 U CN203364899 U CN 203364899U
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Abstract
The utility model discloses a passive wireless concentrated data collection gas meter which comprises a gas flow collection module, a microprocessor, a wireless communication module and a power supply module. The gas 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 gas 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 gas flow electricity generation module enables the kinetic energy of gas flow in a gas 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 gas flow collection module collects the use gas amount to send the use gas 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 gas meter is suitable for the field of use gas 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 battery and external supply line that do not need and copies gas meter.
Background technology
As the operator of gas, system is returned in the data acquisition that will be dispersed in time, exactly in the local measuring instrument of difference, is a most important ring in whole business activities.Variation along with people life style, " difficulty of checking meter of registering one's residence " problem becomes increasingly conspicuous, the installation base table of traditional approach, the manual monthly meter reading method of meter reading personnel be time-consuming, effort not only, the accuracy of meter reading data and promptness can not get ensureing, also relates to the problems such as user's privacy, security, meter reading personnel's working strength is large.
The IC intelligent gas meter is through the development of more than ten years, and total quality has also been brought up to the level that can substantially meet practical application, has solved the problems such as " difficulty of checking meter of registering one's residence ", " gas expense is taken over difficulty " of long-term puzzlement gas company.Yet energy prices in recent years go up, the gas company that is has been suffered loss in the middle of the combustion gas price modification.Can't carry out effective monitoring by his-and-hers watches, be also one of many gas companies reason that the IC-card table is lost the confidence.
It is the patent documentation of CN202092707U that State Intellectual Property Office of the People's Republic of China discloses Granted publication number on Dec 28th, 2011, title is a kind of wireless gas meter, it comprises base table, main control module, wireless module, main control module is arranged in base table, and wireless module is connected with main control module.Wireless gas meter is furnished with lithium battery, is furnished with the dry cell groove simultaneously.Wireless gas meter comprises a shell, and the material of this shell is plastics, and main control module, wireless module are arranged in this shell.This scheme has realized radio meter register, but adopt lithium battery power supply, need to regularly change battery, safeguards loaded down with trivial detailsly, and cost is higher.
Summary of the invention
The utility model is mainly to solve the existing technical matters that need to regularly change battery of prior art, provide a kind of not by powered battery, there is no external supply line, the passive and wireless collection that alleviates maintenance and cost copies gas 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 gas meter, comprise the gas flow acquisition module, microprocessor, wireless communication module and be the supply module of whole gas meter power supply, described gas 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 airflow power generation module, rectification circuit and boost module, the positive pole of described airflow power generation module connects the electrode input end of boost module by rectification circuit, the negative pole of airflow power generation module connects the negative input of boost module, and boost module connects the power input of microprocessor.
Rectification circuit adopts commutation diode.The airflow power generation module is converted into electric energy by the airflow kinetic energy in gas piping, the rectification by rectification circuit and boost module, boost after, be microprocessor and wireless communication module power supply.The structure of gas flow acquisition module is identical with the structure of conventional electrical formula gas meter.The gas quantity that the collection of gas 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 airflow power generation 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 comprises air intake opening and gas outlet, the airflow power generation module is serially connected in gas piping by air intake opening and gas outlet, impeller is arranged on the gas channel of the second chamber.
The first chamber and the mutual seal isolation of the second chamber, prevent that coiler part from producing electric spark and bringing potential safety hazard.Transmission shaft connects the baffle plate of isolation use.Air-flow enters the second chamber from air intake opening and promotes to leave the second chamber from gas outlet after wheel rotation.Impeller drives group of magnets by transmission shaft and rotates, coil cutting magnetic induction line generation current.The more close gas end of using in relative the second chamber installation site, the installation site of gas meter.The airflow power generation 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.
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 gas 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, gas flow acquisition module, 2, wireless communication module, 3, the airflow power generation module, 4, bootstrap circuit boost, 5, protective circuit of voltage regulation, 6, voltage checking chip, 7, microprocessor.
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 gas meter, as shown in Figure 1, comprises gas flow acquisition module 1, microprocessor 7, wireless communication module 2 and is the supply module of whole gas meter power supply.Gas flow acquisition module 1 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 airflow power generation module 3, rectification circuit, boost module, stream capacitor C 1 and management circuit continue.Rectification circuit adopts commutation diode D1.
Airflow power generation 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 comprises air intake opening and gas outlet, the airflow power generation module is serially connected in gas piping by air intake opening and gas outlet, and impeller is arranged on the gas 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.Air-flow enters the second chamber from air intake opening and promotes to leave the second chamber from gas outlet after wheel rotation.Impeller drives group of magnets by transmission shaft and rotates, coil cutting magnetic induction line generation current.The more close gas end of using in relative the second chamber installation site, the installation site of gas meter.
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.
The airflow power generation module is converted into electric energy by the airflow kinetic energy in gas piping, the rectification by rectification circuit and boost module, boost after, be microprocessor and wireless communication module power supply.The structure of gas flow acquisition module is identical with the structure of conventional electrical formula flowmeter.The gas quantity that the collection of gas 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: sampling unit gathers gas flow information with a kind of hot temperature difference hanging structure gas meter, and through special design circuit and digital signal processing, instant computing goes out gas flux and flow direction information.
2, super low-power consumption MCU design: native system adopts popular in the industry super low-power consumption MCU design, and does power supply and low-power consumption management on program, only needs very little energy just can give the whole system stable power-supplying.
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 gas flow acquisition module, wireless communication module, 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 (6)
1. a passive and wireless collection is copied gas meter, comprise the gas flow acquisition module, microprocessor, wireless communication module and be the supply module of whole gas meter power supply, it is characterized in that, described gas 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 airflow power generation module, rectification circuit and boost module, the positive pole of described airflow power generation module connects the electrode input end of boost module by rectification circuit, the negative pole of airflow power generation 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 gas meter, it is characterized in that, described airflow power generation 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 comprises air intake opening and gas outlet, the airflow power generation module is serially connected in gas piping by air intake opening and gas outlet, impeller is arranged on the gas channel of the second chamber.
3. passive and wireless collection according to claim 2 is copied gas 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 gas 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 gas 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 gas 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320438657 CN203364899U (en) | 2013-07-23 | 2013-07-23 | Passive wireless concentrated data collection gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320438657 CN203364899U (en) | 2013-07-23 | 2013-07-23 | Passive wireless concentrated data collection gas meter |
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| Publication Number | Publication Date |
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| CN203364899U true CN203364899U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320438657 Expired - Lifetime CN203364899U (en) | 2013-07-23 | 2013-07-23 | Passive wireless concentrated data collection gas meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854461A (en) * | 2014-03-05 | 2014-06-11 | 上海复展智能科技有限公司 | Communication device and communication method of wireless gas meter |
| WO2016099699A1 (en) * | 2014-12-19 | 2016-06-23 | Illinois Tool Works Inc. | Systems for energy harvesting using welding subsystems |
| CN107359685A (en) * | 2017-07-31 | 2017-11-17 | 辽宁航宇星物联仪表科技有限公司 | A kind of intelligent gas meter self charger |
| CN108759957A (en) * | 2018-08-27 | 2018-11-06 | 浙江蓝宝石仪表科技有限公司 | A kind of combustible gas metering arrangement based on no magnetic technology |
-
2013
- 2013-07-23 CN CN 201320438657 patent/CN203364899U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854461A (en) * | 2014-03-05 | 2014-06-11 | 上海复展智能科技有限公司 | Communication device and communication method of wireless gas meter |
| WO2016099699A1 (en) * | 2014-12-19 | 2016-06-23 | Illinois Tool Works Inc. | Systems for energy harvesting using welding subsystems |
| US10672967B2 (en) | 2014-12-19 | 2020-06-02 | Illinois Tool Works Inc. | Systems for energy harvesting using welding subsystems |
| CN107359685A (en) * | 2017-07-31 | 2017-11-17 | 辽宁航宇星物联仪表科技有限公司 | A kind of intelligent gas meter self charger |
| CN108759957A (en) * | 2018-08-27 | 2018-11-06 | 浙江蓝宝石仪表科技有限公司 | A kind of combustible gas metering arrangement based on no magnetic technology |
| CN108759957B (en) * | 2018-08-27 | 2024-02-27 | 浙江蓝宝石仪表科技有限公司 | Gas metering device based on non-magnetic technology |
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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 |