CN101644593A - Power supply method for electronic gauge - Google Patents
Power supply method for electronic gauge Download PDFInfo
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- CN101644593A CN101644593A CN200810117719A CN200810117719A CN101644593A CN 101644593 A CN101644593 A CN 101644593A CN 200810117719 A CN200810117719 A CN 200810117719A CN 200810117719 A CN200810117719 A CN 200810117719A CN 101644593 A CN101644593 A CN 101644593A
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- Prior art keywords
- battery
- power supply
- electronic gauge
- supply method
- external
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a method for power supply and relay charge for primary and secondary batteries of an electronic gauge, which uses primary and secondary rechargeable batteries as power supplies, wherein the external battery can be conveniently taken down for off-site charge and can charge the internal battery through an integrated circuit, while the internal battery temporarily assists theexternal battery in supplying power during the off-site charge of the external battery. The method realizes low-cost manufacture and low-cost use of the electronic gauge, can continuously and metrically work under general conditions, and has the function of reliably cutting off the flow of the metered medium at emergency under special conditions.
Description
Technical field
The present invention relates to the power supply supply mode of electronic gauge, particularly relating to a kind of electronic gauge, to use major-minor powered battery and external rechargeable battery be the method for built-in rechargeable battery charging.
Background technology
At present, electronic water meter, gas meter, flow meter etc. usually adopt the method for built-in disposable lithium battery or external conveniently replaced dry cell to provide power supply for electronic gauge.Along with multifunction, the high-intelligentization of electronic water meter, gas meter, flow meter etc., the manufacturing maintenance cost of electronic gauge and user's the level of consumption also improve constantly.(application number: 99223804.8) proposed to use the scheme of rechargeable battery solar cell in parallel as IC-card gas meter, flow meter power supply, because the installation environment of solar cell has specific requirement, such scheme can not guarantee to work reliably continuously utility model patent.Utility model patent (application number: 200420087996.6) proposed the solution of a kind of rechargeable type intellectual water meter, gas meter, its power supply adopts rechargeable battery, be provided with charging circuit and the outlet or the plug that are used to be connected external power supply, when dead battery, the user can ownly be connected to power supply on outlet or the plug and charge, and pulls up plug after the charging and gets final product.Use above-mentioned solution, if use the power supply adaptor charging, influenced by intellectual water meter, gas meter installation environment and installation position, charging process is inconvenient; If charge power supply is a civil power, charging process was both dangerous, and was also inconvenient.
Summary of the invention
The invention provides major-minor powered battery of electronic gauge and relay charging method, can realize low-cost the manufacturing, the low-cost use, and the power supply mode of continuous type electronic gauge are supplied with the problem that exists to solve power supplys such as existing electronic water meter, gas meter, flow meter.
Major-minor powered battery of electronic gauge provided by the invention and relay charging method, promptly be a kind of with the power supply of major-minor two rechargeable batteries as electronic gauge, at external main rechargeable battery (to call external battery in the following text) undertension or after stopping power supply, change and power by built-in auxilliary rechargeable battery (to call internal battery in the following text).
In said method, external battery and internal battery are rechargeable battery, and internal battery uses a rechargeable battery, and external battery is used two or more than two rechargeable battery that is in series.
In said method, external battery uses charger to charge at harbor, after internal battery then relies on external battery to be installed on the gauging table it is carried out the relay charging.
The invention has the beneficial effects as follows, realized that electronic gauge is low-cost to make, the low-cost use, and can be, the function of the media that are measured such as emergency switching-off water, combustion gas reliably under specific condition in continuous measurement work under the usual conditions.
Embodiment
Implement this power supply method for electronic gauge, electronic gauge configuration external battery and two batteries of internal battery are as power supply, and wherein external battery can conveniently be taken off, and is primary power; Internal battery is inadvisable down, is auxilliary power supply.When the supply voltage of electronic gauge integrated circuit detection external battery drops to final voltage, change by internal battery temporarily substituting the external battery auxiliary power supply.After taking off external battery from electronic gauge, use supporting with it charger to charge in the place that commercial power socket is provided.After external battery is full of electricity, reinstall on the electronic gauge.After the voltage that the electronic gauge integrated circuit detects external battery is higher than final voltage, cut off the power supply of internal battery, change the external battery power supply into.Simultaneously, external battery is charged to internal battery by charging circuit.During the auxiliary external battery power supply of internal battery, when the supply voltage that the electronic gauge integrated circuit detects internal battery dropped to final voltage, the start-up control device cut off flowing of the media that are measured such as water or combustion gas, stops gage work.
Claims (9)
1, a kind of power supply method for electronic gauge is characterized in that: use the power supply of major-minor two batteries as electronic gauge.
2, power supply method for electronic gauge according to claim 1 is characterized in that: external battery is a main battery, and internal battery is auxilliary battery.
3, power supply method for electronic gauge according to claim 1 and 2 is characterized in that: external battery and internal battery are rechargeable battery.
4, power supply method for electronic gauge according to claim 1 and 2 is characterized in that: internal battery uses a rechargeable battery, and external battery is used two or more than two rechargeable battery that is in series.
5, power supply method for electronic gauge according to claim 1 and 2 is characterized in that: external battery uses charger to charge at harbor, after internal battery relies on external battery to be installed on the gauging table it is carried out the relay charging.
6, power supply method for electronic gauge according to claim 1 and 2 is characterized in that: external battery is by integrated current-limiting charge, in limited time the circuit of charge function is to built-in battery charge.
7, power supply method for electronic gauge according to claim 1 and 2 is characterized in that: after the voltage drop of external battery is low to moderate final voltage, changes and powered by internal battery.
8, power supply method for electronic gauge according to claim 1 and 2 is characterized in that: after voltage that the electronic gauge integrated circuit detects external battery is higher than final voltage, cut off the power supply of internal battery, change the external battery power supply into.
9, power supply method for electronic gauge according to claim 1 and 2, it is characterized in that: during the auxiliary external battery power supply of internal battery, when the supply voltage that the electronic gauge integrated circuit detects internal battery drops to final voltage, the start-up control device, cut-out the flowing of medium that be measured stops gage work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810117719A CN101644593A (en) | 2008-08-04 | 2008-08-04 | Power supply method for electronic gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810117719A CN101644593A (en) | 2008-08-04 | 2008-08-04 | Power supply method for electronic gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101644593A true CN101644593A (en) | 2010-02-10 |
Family
ID=41656574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810117719A Pending CN101644593A (en) | 2008-08-04 | 2008-08-04 | Power supply method for electronic gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101644593A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200585A (en) * | 2011-05-06 | 2011-09-28 | 李钢坤 | Exogenous wrist strap type electronic monitoring terminal |
| CN102389300A (en) * | 2011-07-26 | 2012-03-28 | 李钢坤 | Intelligent heart rate locating and monitoring wristwatch with external power supply |
| CN102593944A (en) * | 2012-01-12 | 2012-07-18 | 天翼电信终端有限公司 | Mobile terminal device and power supply circuit thereof |
| CN111123528A (en) * | 2020-02-04 | 2020-05-08 | Oppo广东移动通信有限公司 | Head-mounted device |
-
2008
- 2008-08-04 CN CN200810117719A patent/CN101644593A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200585A (en) * | 2011-05-06 | 2011-09-28 | 李钢坤 | Exogenous wrist strap type electronic monitoring terminal |
| CN102200585B (en) * | 2011-05-06 | 2013-06-12 | 李钢坤 | Exogenous wrist strap type electronic monitoring terminal |
| CN102389300A (en) * | 2011-07-26 | 2012-03-28 | 李钢坤 | Intelligent heart rate locating and monitoring wristwatch with external power supply |
| CN102389300B (en) * | 2011-07-26 | 2014-03-05 | 李钢坤 | Intelligent heart rate locating and monitoring wristwatch with external power supply |
| CN102593944A (en) * | 2012-01-12 | 2012-07-18 | 天翼电信终端有限公司 | Mobile terminal device and power supply circuit thereof |
| CN111123528A (en) * | 2020-02-04 | 2020-05-08 | Oppo广东移动通信有限公司 | Head-mounted device |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100210 |