CN102109367A - Intelligent gas meter with power generating function and power generating method thereof - Google Patents
Intelligent gas meter with power generating function and power generating method thereof Download PDFInfo
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- CN102109367A CN102109367A CN 201010565750 CN201010565750A CN102109367A CN 102109367 A CN102109367 A CN 102109367A CN 201010565750 CN201010565750 CN 201010565750 CN 201010565750 A CN201010565750 A CN 201010565750A CN 102109367 A CN102109367 A CN 102109367A
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Abstract
The invention discloses an intelligent gas meter with a power generating function and a power generating method thereof. The intelligent gas meter comprises a character wheel and a control circuit; the intelligent gas meter is internally provided with a power generating coil, and when pressure difference in a pipeline pushes the characteristic wheel to rotate, induction voltage is generated by the power generating coil; the induction voltage is in proportion to the rotating speed of the characteristic wheel, while the rotating speed of the characteristic wheel is uncertain, the induction voltage can fluctuate in certain range; the intelligent gas meter comprises a charge pump circuit through which the induction voltage is increased; and the intelligent gas meter further comprises a LDO (Low Drop Output) linear voltage regulator, through which stable power supply voltage is provided for the control circuit of the intelligent gas meter. In the intelligent gas meter with the power generating function and the power generating method thereof disclosed by the invention, extra power is provided by a charging device, and stable power supply voltage is provided for the control circuit of the intelligent gas meter, so that the service lives of a dry battery and a disposable lithium battery are prolonged.
Description
Technical field
The invention belongs to the gas meter, flow meter technical field, relate to a kind of intelligent gas meter, relate in particular to a kind of intelligent gas meter with electricity generate function; Simultaneously, the invention further relates to the electricity-generating method of above-mentioned intelligent gas meter.
Background technology
The tradition gas meter, flow meter adopts the membrane type mechanical count, promotes mechanical character wheel by the pressure differential in the gas pipeline and rotates, and realizes tally function simultaneously.Along with developing rapidly of electronic technology, electronic technology is incorporated in the gas meter, flow meter, realize the gas meter, flow meter intellectuality.Count by the electronics mode, can realize the IC-card gas meter, flow meter of pre-payment; By telecommunications, can realize wired or wireless remote installed meter.
Yet electronic product all needs electric power system, or present intelligence table generally all adopts the mode of dry cell disposable lithium cell to power.
Adopt dry cell power supply, dry cell generally can use about one or two years, after dry cell exhausts, needs the user in time more to renew battery, otherwise can't use combustion gas.
Employing disposable lithium cell power supply, the life-span of lithium battery is generally 5-6, yet domestic gas meter, flow meter may use the more than ten years, after lithium battery exhausted, gas meter, flow meter promptly can't use.Gas Company's table of must sending someone to change increases use cost greatly, has reduced the possibility of popularizing.
Summary of the invention
Technical matters to be solved by this invention is: a kind of intelligent gas meter with electricity generate function is provided, stable supply voltage is provided can for the control circuit of intelligent gas meter, prolong the serviceable life of dry cell and disposable lithium cell.
In addition, the present invention further provides the electricity-generating method of above-mentioned intelligent gas meter, stable supply voltage is provided for the control circuit of intelligent gas meter, prolong the serviceable life of dry cell and disposable lithium cell.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of intelligent gas meter with electricity generate function, described intelligent gas meter comprises: character wheel, control circuit;
Power coil is installed in intelligent gas meter, when the pressure differential in pipeline promotes the character wheel rotation, produces induced voltage by power coil;
The velocity of rotation of described induced voltage and character wheel is directly proportional, and the velocity of rotation of character wheel is uncertain, and induced voltage can fluctuate within the specific limits; Described intelligent gas meter comprises charge pump circuit, by the described induced voltage of this charge pump circuit lifting;
Described intelligent gas meter further comprises linear voltage regulator LDO, stable supply voltage is provided for the control circuit of intelligent gas meter by linear voltage regulator LDO.
As a preferred embodiment of the present invention, described intelligent gas meter is connected with power module.
As a preferred embodiment of the present invention, described charge pump circuit comprises voltage detection unit.
A kind of electricity-generating method of above-mentioned intelligent gas meter, described electricity-generating method comprises the steps:
S1, power coil is installed in intelligent gas meter, the pressure differential in pipeline promotes character wheel when rotating, and produces induced voltage by power coil;
S2, by the described induced voltage of described charge pump circuit lifting;
S3, stable supply voltage is provided for the control circuit of intelligent gas meter by described linear voltage regulator LDO.
As a preferred embodiment of the present invention, described intelligent gas meter is connected with power module.
As a preferred embodiment of the present invention, described charge pump circuit comprises voltage detection unit.
Beneficial effect of the present invention is: the intelligent gas meter and the electricity-generating method thereof of the band electricity generate function that the present invention proposes, provide extra electric energy by this charging device, stable supply voltage is provided for the control circuit of intelligent gas meter, thereby prolongs the serviceable life of dry cell and disposable lithium cell.
Description of drawings
Fig. 1 is the composition synoptic diagram of intelligent gas meter electricity generation module of the present invention.
Fig. 2 is the process flow diagram of electricity-generating method of the present invention.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, the present invention has disclosed a kind of intelligent gas meter with electricity generate function, and described intelligent gas meter comprises: character wheel 10, control circuit 50.
The velocity of rotation of described induced voltage and character wheel is directly proportional, and the velocity of rotation of character wheel 10 is uncertain amounts, so induced voltage can fluctuate within the specific limits.Described intelligent gas meter comprises charge pump circuit 30, by the described induced voltage of these charge pump circuit 30 liftings.Described charge pump circuit 30 comprises voltage detection unit.
Described intelligent gas meter further comprises linear voltage regulator LDO 40, stable supply voltage is provided for the control circuit 50 of intelligent gas meter by linear voltage regulator LDO 40.
Above-mentioned electricity generate function module can cooperate dry cell or disposable lithium cell, for intelligent gas meter provides electric power.
More than introduced the intelligent gas meter of band electricity generate function of the present invention, the present invention also discloses a kind of electricity-generating method of above-mentioned intelligent gas meter in the intelligent gas meter that discloses above-mentioned band electricity generate function.See also Fig. 2, described electricity-generating method comprises the steps:
S1, power coil is installed in intelligent gas meter, the pressure differential in pipeline promotes character wheel when rotating, and produces induced voltage by power coil;
S2, by the described induced voltage of described charge pump circuit lifting;
S3, stable supply voltage is provided for the control circuit of intelligent gas meter by described linear voltage regulator LDO.
In sum, the intelligent gas meter and the electricity-generating method thereof of the band electricity generate function that the present invention proposes, provide extra electric energy by this charging device, stable supply voltage is provided for the control circuit of intelligent gas meter, thereby prolongs the serviceable life of dry cell and disposable lithium cell.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change are possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or essential characteristic, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (6)
1. the intelligent gas meter with electricity generate function is characterized in that, described intelligent gas meter comprises: character wheel, control circuit;
Power coil is installed in intelligent gas meter, when the pressure differential in pipeline promotes the character wheel rotation,
Produce induced voltage by power coil;
The velocity of rotation of described induced voltage and character wheel is directly proportional, and the velocity of rotation of character wheel is uncertain, and induced voltage can fluctuate within the specific limits; Described intelligent gas meter comprises charge pump circuit, by the described induced voltage of this charge pump circuit lifting;
Described intelligent gas meter further comprises linear voltage regulator LDO, stable supply voltage is provided for the control circuit of intelligent gas meter by linear voltage regulator LDO.
2. the intelligent gas meter of band electricity generate function according to claim 1 is characterized in that:
Described intelligent gas meter is connected with power module.
3. the intelligent gas meter of band electricity generate function according to claim 1 is characterized in that:
Described charge pump circuit comprises voltage detection unit.
4. the electricity-generating method of the described intelligent gas meter of claim 1 is characterized in that, described electricity-generating method comprises the steps:
S1, power coil is installed in intelligent gas meter, the pressure differential in pipeline promotes character wheel when rotating, and produces induced voltage by power coil;
S2, by the described induced voltage of described charge pump circuit lifting;
S3, stable supply voltage is provided for the control circuit of intelligent gas meter by described linear voltage regulator LDO.
5. electricity-generating method according to claim 4 is characterized in that:
Described intelligent gas meter is connected with power module.
6. electricity-generating method according to claim 4 is characterized in that:
Described charge pump circuit comprises voltage detection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010565750 CN102109367A (en) | 2010-11-26 | 2010-11-26 | Intelligent gas meter with power generating function and power generating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010565750 CN102109367A (en) | 2010-11-26 | 2010-11-26 | Intelligent gas meter with power generating function and power generating method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102109367A true CN102109367A (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010565750 Pending CN102109367A (en) | 2010-11-26 | 2010-11-26 | Intelligent gas meter with power generating function and power generating method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314408Y (en) * | 1997-11-21 | 1999-04-14 | 周亚非 | Intelligent integrated gas meter |
| CN101350118A (en) * | 2008-08-14 | 2009-01-21 | 成都秦川科技发展有限公司 | IC card intelligent gas meter |
| CN201402163Y (en) * | 2009-04-28 | 2010-02-10 | 武汉蓝焰自动化应用技术有限责任公司 | Photoelectric direct reading wire transmission diaphragm-type gas meter for domestic use |
| CN201434703Y (en) * | 2009-04-21 | 2010-03-31 | 广东联塑科技实业有限公司 | Passive self-powered water meter system |
-
2010
- 2010-11-26 CN CN 201010565750 patent/CN102109367A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314408Y (en) * | 1997-11-21 | 1999-04-14 | 周亚非 | Intelligent integrated gas meter |
| CN101350118A (en) * | 2008-08-14 | 2009-01-21 | 成都秦川科技发展有限公司 | IC card intelligent gas meter |
| CN201434703Y (en) * | 2009-04-21 | 2010-03-31 | 广东联塑科技实业有限公司 | Passive self-powered water meter system |
| CN201402163Y (en) * | 2009-04-28 | 2010-02-10 | 武汉蓝焰自动化应用技术有限责任公司 | Photoelectric direct reading wire transmission diaphragm-type gas meter for domestic use |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110629 |