CN102779378B - Novel prepayment type gas meter and target gas measurement method thereof - Google Patents
Novel prepayment type gas meter and target gas measurement method thereof Download PDFInfo
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- CN102779378B CN102779378B CN201210267377.4A CN201210267377A CN102779378B CN 102779378 B CN102779378 B CN 102779378B CN 201210267377 A CN201210267377 A CN 201210267377A CN 102779378 B CN102779378 B CN 102779378B
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Abstract
The invention provides a novel prepayment type gas meter and a target gas measurement method thereof. The novel prepayment type gas meter comprises a shell, a target gas measurement management circuit, a prepayment management circuit and a gas inlet tube, wherein the prepayment management circuit comprises a microprocessor circuit I and a measurement signal sampling circuit, the target gas measurement management circuit comprises a microprocessor circuit II, a target gas detection sensor module and a controllable switch circuit, and the controllable switch circuit is connected between the microprocessor circuit I and the measurement signal sampling circuit. According to the method, whether the target gas concentration signal reaches the threshold value or not is judged by the microprocessor circuit II, the controllable switch circuit is controlled to be connected and measurement signals are read by the microprocessor circuit I if the target gas concentration signal reaches the threshold value, otherwise, the controllable switch circuit is turned off, reading of the microprocessor circuit I is stopped, and judgment is performed continuously; and the measurement signals are converted by the microprocessor circuit I, and the measured value is displayed. Accurate measurement can be realized by the gas meter, and the gas meter can be transformed easily. The method is simple and practical, and can be easily realized.
Description
Technical field
The present invention relates to a kind of gas meter, flow meter, specifically, related to a kind of novel prepayment gas meter, flow meter and object gas metering method thereof.
Background technology
Gas meter, flow meter, as a kind of gas metering equipment, is widely used in the middle of productive life, existing gas meter, flow meter can be divided into mechanical diaphragm gas meter and electronics diaphragm gas meter, they generally only measure the volume of gas that flows through gas meter, flow meter, to flowing through the object gas of gas meter, flow meter, do not detect judgement, therefore, in use, will there are some drawbacks: such as, for accelerating construction and the popularization and application of biogas engineering, China has adopted and has used biogas to obtain the policy of subsidy, but, in subsidy process, occurred that individual user adopts fan blower to blow and pretends to be biogas, gain the phenomenon of fiscal subsidy by cheating, this phenomenon had both been run counter to the original idea of national policy, biogas user's interests have been damaged again, in addition, in order to seek illegal profit, there is the phenomenon of using inferior quality combustion gas to adulterate, lead into a trap ignorant user in indivedual gas supply business.
For above-mentioned situation, due to the function that existing gas meter, flow meter does not detect flowing into the object gas of gas meter, flow meter, therefore, just cannot carry out examination and the Scientific Measurement of true and false object gas to the gas that flows into gas meter, flow meter.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, thereby the novel prepayment gas meter, flow meter that provide a kind of practical, perfect in shape and function, accurate measurement, be easy to transformation, improvement cost is low, also provides a kind of simple and practical, object gas metering method of being easy to the novel prepayment gas meter, flow meter of realizing.
To achieve these goals, the technical solution adopted in the present invention is: a kind of novel prepayment gas meter, flow meter, comprise prepayment diaphragm gas meter and object gas measuring control circuit, described prepayment diaphragm gas meter includes housing, pre-payment management circuit and be separately positioned on draft tube and the escape pipe on described housing, in described housing, be provided with the gas meter, flow meter gas return path between described draft tube and described escape pipe, described pre-payment management circuit comprises microcontroller circuit I and metering signal sample circuit, the metering signal collection terminal of described microcontroller circuit I connects the metering signal output terminal of described metering signal sample circuit, described object gas measuring control circuit comprises microcontroller circuit II, object gas detecting sensor module and gate-controlled switch circuit, the object gas concentration signal output terminal of described object gas detecting sensor module connects the object gas concentration signal collection terminal of described microcontroller circuit II, the control end of described microcontroller circuit II connects the control end of described gate-controlled switch circuit, described object gas detecting sensor module is arranged in described gas meter, flow meter gas return path, described gate-controlled switch circuit is connected between described microcontroller circuit I and described metering signal sample circuit.
Based on above-mentioned, described prepayment diaphragm gas meter also includes the gas volume metering character wheel device being arranged in described housing, and described gas volume metering character wheel device includes the character wheel I that represents minimum volume measurement unit; Described metering signal sample circuit comprises inductor and inductor identification circuit, and described inductor is arranged in described character wheel I, and certain on the movement locus of the corresponding described inductor of described inductor identification circuit a bit arranges.
Based on above-mentioned, described inductor is magnetic patch, and described magnetic patch is arranged on the wheel face of described character wheel I, and described inductor identification circuit is the on-off circuit consisting of tongue tube.
Based on above-mentioned, described pre-payment management circuit also includes display screen, and described microcontroller circuit I connects described display screen so that display-object gas volume variable.
Based on above-mentioned, on described housing, be provided with transparent window, the corresponding described transparent window setting of described gas volume metering character wheel device, described display screen is arranged on described housing or corresponding described transparent window setting.
An object gas metering method for novel prepayment gas meter, flow meter, comprises the following steps:
Based on above-mentioned, the method is further comprising the steps of: step 4, microcontroller circuit I show the object gas volumescope value obtaining by display screen.
The relative prior art of the present invention has outstanding substantive distinguishing features and marked improvement, specifically, this novel prepayment gas meter, flow meter can be differentiated the gas flowing through in gas meter, flow meter, object gas distinguishes truth from false, and the gas gross and the object gas that flow through gas meter, flow meter are measured respectively, and can be shown respectively, facilitated user, it has advantages of practical, perfect in shape and function, accurate measurement, is easy to transformation, improvement cost is low; That this object gas metering method has advantages of is simple and practical, be easy to realize.
Accompanying drawing explanation
Fig. 1 is the structural representation of novel prepayment gas meter, flow meter of the present invention.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
As shown in Figure 1, a kind of novel prepayment gas meter, flow meter, comprises prepayment diaphragm gas meter and object gas measuring control circuit.
Described prepayment diaphragm gas meter includes housing 1, pre-payment management circuit and is separately positioned on draft tube 2 and the escape pipe 3 on described housing 1, is provided with the gas meter, flow meter gas return path between described draft tube and described escape pipe in described housing.
Described pre-payment management circuit comprises microcontroller circuit I 6, metering signal sample circuit and display screen 7, the metering signal collection terminal of described microcontroller circuit I 6 connects the metering signal output terminal of described metering signal sample circuit, and described microcontroller circuit I 6 connects described display screen 7 so that display-object gas volume variable.
Described object gas measuring control circuit comprises microcontroller circuit II 8, object gas detecting sensor module and gate-controlled switch circuit 9, the object gas concentration signal output terminal of described object gas detecting sensor module connects the object gas concentration signal collection terminal of described microcontroller circuit II 8, the control end of described microcontroller circuit II 8 connects the control end of described gate-controlled switch circuit 9, described object gas detecting sensor module is arranged in described gas meter, flow meter gas return path, in the present embodiment, concrete corresponding described draft tube 2 inner side mouths arrange, described gate-controlled switch circuit 9 is connected between described microcontroller circuit I 6 and described metering signal sample circuit.
In the present embodiment, described prepayment diaphragm gas meter also includes the gas volume metering character wheel device 4 being arranged in described housing 1, and described gas volume metering character wheel device 4 includes the character wheel I 41 that represents minimum volume measurement unit; Described metering signal sample circuit comprises inductor 51 and inductor identification circuit 52, and described inductor 51 is arranged in described character wheel I 41, and certain on the movement locus of the corresponding described inductor 51 of described inductor identification circuit 52 a bit arranges; The present embodiment is got metering signal by the character wheel I of existing prepayment diaphragm gas meter, not only accurately but also reliable, is also easy to obtain, without the structure of the existing prepayment diaphragm gas meter of transformation, with low cost; It should be noted that, in other embodiments, according to different prepayment diaphragm gas list structures, also can adopt other mode being more suitable for to obtain metering signal, all should be within protection scope of the present invention.
In the present embodiment, described inductor 51 is magnetic patch, and described magnetic patch is arranged on the wheel face of described character wheel I 41, and described inductor identification circuit 52 is the on-off circuits that consist of tongue tube; Whenever character wheel I 41 is rotated a circle, with regard to Close approach once, tongue tube is subject to magnetic patch effect for magnetic patch and tongue tube, makes on-off circuit closure once, and microcontroller circuit, by counting and data reduction, can complete the volume of object gas is measured; It should be noted that, in other embodiments, inductor and inductor identification circuit can be also the metering signal sample circuits based on infrared induction technology or laser induced technology.
An object gas metering method for novel prepayment gas meter, flow meter, comprises the following steps:
The difference of the present embodiment and embodiment 1 is mainly: on described housing, be provided with transparent window, and the corresponding described transparent window setting of described gas volume metering character wheel device, described display screen is arranged on described housing or corresponding described transparent window setting.This structural design makes gas meter, flow meter can carry out object gas metering, also can utilize original metering method to carry out gas gross metering, and be shown respectively, makes it to have two Presentation Functions, facilitates user's comparison, use.
The difference of the present embodiment and embodiment 1,2 is mainly: microcontroller circuit I and microcontroller circuit II are same microcontroller circuit.That is, described microcontroller circuit I completes under the prerequisite of self working, all functions of the microcontroller circuit II of still having had the ability.
It is that object gas is also non-object gas that the present invention can judge accurately by the gas of gas meter, flow meter, and object gas is carried out to accurate measurement, really reach multiplex many benefits, few by few Huimin target of mending in biogas use procedure, thoroughly avoided deceiving the generation of complementary event.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request protection of the present invention.
Claims (7)
1. a novel prepayment gas meter, flow meter, comprise prepayment diaphragm gas meter, described prepayment diaphragm gas meter includes housing, pre-payment management circuit and be separately positioned on draft tube and the escape pipe on described housing, in described housing, be provided with the gas meter, flow meter gas return path between described draft tube and described escape pipe, described pre-payment management circuit comprises microcontroller circuit I and metering signal sample circuit, described metering signal sample circuit comprises inductor and inductor identification circuit, the metering signal collection terminal of described microcontroller circuit I connects the metering signal output terminal of described metering signal sample circuit, it is characterized in that: it also comprises object gas measuring control circuit, described object gas measuring control circuit comprises microcontroller circuit II, object gas detecting sensor module and gate-controlled switch circuit, the object gas concentration signal output terminal of described object gas detecting sensor module connects the object gas concentration signal collection terminal of described microcontroller circuit II, the control end of described microcontroller circuit II connects the control end of described gate-controlled switch circuit, described object gas detecting sensor module is arranged in described gas meter, flow meter gas return path, described gate-controlled switch circuit is connected between described microcontroller circuit I and described metering signal sample circuit.
2. novel prepayment gas meter, flow meter according to claim 1, it is characterized in that: described prepayment diaphragm gas meter also includes the gas volume metering character wheel device being arranged in described housing, described gas volume metering character wheel device includes the character wheel I that represents minimum volume measurement unit, described inductor is arranged in described character wheel I, and certain on the movement locus of the corresponding described inductor of described inductor identification circuit a bit arranges.
3. novel prepayment gas meter, flow meter according to claim 2, is characterized in that: described inductor is magnetic patch, described magnetic patch is arranged on the wheel face of described character wheel I, and described inductor identification circuit is the on-off circuit consisting of tongue tube.
4. according to the novel prepayment gas meter, flow meter described in claim 1 or 2 or 3, it is characterized in that: described pre-payment management circuit also includes display screen, described microcontroller circuit I connects described display screen so that display-object gas volume variable.
5. novel prepayment gas meter, flow meter according to claim 4, it is characterized in that: on described housing, be provided with transparent window, the corresponding described transparent window setting of described gas volume metering character wheel device, described display screen is arranged on described housing or corresponding described transparent window setting.
6. an object gas metering method for novel prepayment gas meter, flow meter as described in claim 1 or 2 or 3 or 4 or 5, is characterized in that, the method comprises the following steps:
Step 1, microcontroller circuit II gather the object gas concentration signal of draft tube inner side mouth by object gas detecting sensor module;
Step 2, microcontroller circuit II judges whether according to the object gas concentration signal gathering the object gas concentration threshold values that reaches default in microcontroller circuit II, if, microcontroller circuit II control gate-controlled switch circuit turn-on, microcontroller circuit I reads the metering signal of metering signal sample circuit, otherwise, microcontroller circuit II control gate-controlled switch circuit is closed, microcontroller circuit I stops reading the metering signal of metering signal sample circuit, microcontroller circuit II continues to judge whether according to the object gas concentration signal gathering the object gas concentration threshold values that reaches default in microcontroller circuit II,
Step 3, microcontroller circuit I convert the metering signal reading, and obtain object gas volumescope value.
7. the object gas metering method of novel prepayment gas meter, flow meter according to claim 6, is characterized in that, the method is further comprising the steps of:
Step 4, microcontroller circuit I show the object gas volumescope value obtaining by display screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210267377.4A CN102779378B (en) | 2012-07-31 | 2012-07-31 | Novel prepayment type gas meter and target gas measurement method thereof |
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| CN201210267377.4A CN102779378B (en) | 2012-07-31 | 2012-07-31 | Novel prepayment type gas meter and target gas measurement method thereof |
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| CN102779378A CN102779378A (en) | 2012-11-14 |
| CN102779378B true CN102779378B (en) | 2014-04-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103674122A (en) * | 2013-12-16 | 2014-03-26 | 天津市鑫丰仪表成套有限公司 | Novel biogas metering device |
| CN105547394A (en) * | 2016-01-28 | 2016-05-04 | 郑州创源智能设备有限公司 | Photoelectric direct-reading gas meter and gas reading system |
| CN110021117B (en) * | 2019-02-26 | 2021-07-27 | 杭州华宏通信设备有限公司 | Gas meter reading statistical system and method |
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| JP3220056B2 (en) * | 1997-08-06 | 2001-10-22 | 矢崎総業株式会社 | Prepaid energy meter |
| JP5324848B2 (en) * | 2008-07-09 | 2013-10-23 | 大阪瓦斯株式会社 | adapter |
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| JP2006252244A (en) * | 2005-03-11 | 2006-09-21 | Yazaki Corp | Prepaid gas supply control system |
| CN201107071Y (en) * | 2007-11-20 | 2008-08-27 | 济南市长清计算机应用公司 | Intelligent gas meter |
| CN101644594A (en) * | 2009-08-24 | 2010-02-10 | 上海埃科燃气测控设备有限公司 | Special valve-control connecting tube for gas control case and gas roots flowmeter metering case consisting of same |
| CN201508593U (en) * | 2009-09-30 | 2010-06-16 | 浙江威星智能仪表股份有限公司 | IC card prepaid gas meter |
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Address after: 450001 Zhengzhou high tech Development Zone, Henan, Cedar Road, No. 169 Patentee after: Hanwei Technology Group Limited by Share Ltd Address before: 450001 Zhengzhou high tech Development Zone, Henan, Cedar Road, No. 169 Patentee before: Henan Hanwei Electronics Co., Ltd. |