CN203536998U - Battery power supply device for intelligent instrument - Google Patents
Battery power supply device for intelligent instrument Download PDFInfo
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- CN203536998U CN203536998U CN201320594601.0U CN201320594601U CN203536998U CN 203536998 U CN203536998 U CN 203536998U CN 201320594601 U CN201320594601 U CN 201320594601U CN 203536998 U CN203536998 U CN 203536998U
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- battery
- linear voltage
- stabilization chip
- chip
- voltage stabilization
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Abstract
The utility model discloses a battery power supply device for an intelligent instrument. The device comprises a battery, a first linear voltage-stabilization chip, a second linear voltage-stabilization chip, a voltage monitoring chip and a power storage device, wherein a power supply is connected with an input terminal of the first linear voltage-stabilization chip; the first linear voltage-stabilization chip and the second linear voltage-stabilization chip are in cascade connection; and an output terminal of the first linear voltage-stabilization chip is connected with the power storage device. By using the battery power supply device provided by the utility model, the operation power supply of the instrument is enabled to be stable and reliable, and the defect that the power supply voltage of the conventional instrument power supply method fluctuates with the battery voltage is overcome, so that subsequent circuits of the instrument can work with stability and safety; besides, the battery can be replaced by the users, facilitating the use of the users.
Description
Technical field
The utility model relates to intelligent instrument field, relates in particular to a kind of battery powdered device of intelligent instrument.
Background technology
On intellectual water meter, calorimeter, gas meter, flow meter, generally adopt at present be disposable lithium cell as the supply power mode of main power source, there is following significantly shortcoming in this supply power mode:
1. power unit does not have voltage stabilizing measure, and supply power voltage is with battery discharge voltage fluctuation, and the voltage of supplying with subsequent conditioning circuit changes between 2.0V at 3.6V, is unfavorable for the steady operation of subsequent conditioning circuit;
2. battery, due to the dispersiveness in manufacture process, cannot guarantee that battery capacity all reaches the ampere-hour number of demarcation, and just appearance is without electric phenomenon afterwards using 1 year to cause part instrument, and cannot reach the specification requirement of 5+1 useful life;
3. owing to not considering in use to change at any time battery, cell sealing is in plastic meter shell, under installment state, cannot change, after instrument must being removed, disintegration instrument, side's replaceable battery, and tear open table temporarily the total lock of Guan cut off the water in (gas), waste time and energy and affect user's normal use;
4. owing to adopting specialized lithium battery, market is without selling, and user cannot self-changeable, must be changed by the professional of Watch Factory or administration departments, and property maintenance workload is large and must within 24 hours, uninterruptedly have people on duty;
5. also there are minority Instrument use three to four joint AA batteries as the supply power mode of power supply main power source, but standby and protection problem when not thorough consideration voltage stabilizing and suddenly power-off, and multiple batteries power supply brings battery to close the too huge and problem wasting of resources.。
Summary of the invention
In order to address the above problem, the utility model provides a kind of battery powdered device of intelligent instrument, comprises battery, the first linear voltage stabilization chip, the second linear voltage stabilization chip, electric storage device, and wherein said battery connects the input of the first linear voltage stabilization chip; The first linear voltage stabilization chip, the second linear voltage stabilization chip cascade connect, and the output of described the first linear voltage regulator connects electric storage device.Said apparatus also comprises microprocessor, monitoring voltage chip, described microprocessor connects the output of the first linear voltage stabilization chip, the second linear voltage stabilization chip, described monitoring voltage chip input connects anode, and described monitoring voltage chip output connects microprocessor.The voltage of described battery is 9V, and the voltage of described electric storage device is 5V, and described the second linear voltage stabilization chip output voltage is 3.3V.
Adopt the utility model, instrumentation power supply is reliable and stable, has overcome existing instrument power supply mode supply power voltage with the drawback of cell voltage fluctuation, makes the subsequent conditioning circuit stable working safety of whole instrument; User can self-changeable battery, is user-friendly to, even if the special occasion such as just have a bath, cook night, festivals or holidays, user, and also self-changeable battery easily, and do not need Watch Factory or infrastructure management company to send special messenger to change, to use, brought facility.
Accompanying drawing explanation
Fig. 1 is circuit theory schematic diagram of the present utility model.
Embodiment
Below the utility model is elaborated.
Be these circuit theory diagrams as described in Figure 1, mainly comprise battery, the first linear voltage stabilization chip, the second linear voltage stabilization chip, electric storage device.
Described battery connects the input of the first linear voltage stabilization chip; The first linear voltage stabilization chip, the second linear voltage stabilization chip cascade connect, and the output of described the first linear voltage regulator also connects electric storage device.
Wherein, the output of the second linear voltage stabilization chip is the main power source to instrument power supply, owing to adopting secondary voltage stabilizing and installing storage point apparatus additional, has guaranteed instrument voltage stabilization.
It should be noted that, generally speaking, when existing instrument adopts the utility model, the voltage of battery is 9V, and the voltage of described electric storage device is 5V, and described the second linear voltage stabilization chip output voltage is 3.3V.The main power voltage that wherein 3.3V is instrument.Certainly, do not get rid of and adopt the specific (special) requirements of instrument of the present utility model to voltage.
Further, the utility model also comprises microprocessor and monitoring voltage chip.Described microprocessor connects the output of the first linear voltage stabilization chip, the second linear voltage stabilization chip, and described monitoring voltage chip input connects anode, and described monitoring voltage chip output connects microprocessor.
Above-mentioned microprocessor and monitoring voltage chip are realized the supervision to the voltage status of battery, electric storage device, two linear voltage stabilization chip outputs.
The utility model adopt two-stage linear voltage stabilization concatenation technology and install additional electric storage device as energy storage back-up source to instrument power supply.This can make instrumentation power supply reliable and stable, has overcome existing instrument power supply mode supply power voltage with the drawback of cell voltage fluctuation, makes the subsequent conditioning circuit stable working safety of whole instrument.And utilize software power in microprocessor and two-stage voltage stabilizing to add the hardware such as energy storage device and coordinate, make instrument power supply power unit realize intellectuality, the lifting of matter that made the power supply quality of instrument and reliable realization.
Further, battery of the present utility model adopts 9V layer-built battery.A 9V layer-built battery, with respect to the battery powered instrument of more piece AA, has reduced the use amount of battery more than 1/3, energy-conserving and environment-protective.
Further, energy storage device of the present utility model adopts farad capacitor, realizes quick charge and better service life cycle, and reduces complex circuit designs degree.Anodal the first linear voltage stabilization chip output, the minus earth of connecting of described farad capacitor.Certainly, electric storage device described in the utility model also can adopt other to have the device of charge storage ability.
In addition; as another contribution of the present utility model; for preventing that artificial destruction and other unpredictalbe high voltages are on the impact of instrument and destruction; in the loop of battery and the first linear voltage stabilization chip, be provided with protective circuit; be specially: in the loop of battery and the first linear voltage stabilization chip formation; be provided with the hot protective resistance of overvoltage; the hot protective resistance of described overvoltage one end connects anode; the other end connects the first linear voltage stabilization chip input, monitoring voltage chip input, and by lightning protection bidirectional diode ground connection.Certainly, the hot protective resistance of overvoltage, lightning protection bidirectional diode can be used separately as required.
Especially it should be noted that, use instrument of the present utility model battery case to be installed in outside, battery can be placed in battery case, facilitates client to change battery.
In sum, the advantage of the utility model supply power mode is:
1. instrumentation power supply is reliable and stable, has overcome existing instrument power supply mode supply power voltage with the drawback of cell voltage fluctuation, makes the subsequent conditioning circuit stable working safety of whole instrument;
2. user can self-changeable battery, be user-friendly to, even if the special occasion such as just have a bath, cook night, festivals or holidays, user, also self-changeable battery easily, and do not need Watch Factory or infrastructure management company to send special messenger to change, to use, brought revolutionary facility;
3. a 9V battery, with respect to the battery powered instrument of more piece AA, has reduced the use amount of battery more than 1/3, belongs to energy saving and environment friendly design.
4. power unit adopts Low-power Technology design, and overall power is less than 10 microamperes, can greatly extend the useful life of battery.
Claims (7)
1. a battery powdered device for intelligent instrument, is characterized in that: comprise battery, the first linear voltage stabilization chip, the second linear voltage stabilization chip, electric storage device, wherein
Described battery connects the input of the first linear voltage stabilization chip; The first linear voltage stabilization chip, the second linear voltage stabilization chip cascade connect, and the output of described the first linear voltage regulator connects electric storage device.
2. the battery powdered device of a kind of intelligent instrument as claimed in claim 1, it is characterized in that: also comprise microprocessor, monitoring voltage chip, described microprocessor connects the output of the first linear voltage stabilization chip, the second linear voltage stabilization chip, described monitoring voltage chip input connects anode, and described monitoring voltage chip output connects microprocessor.
3. the battery powdered device of a kind of intelligent instrument as claimed in claim 1 or 2, is characterized in that: described battery is 9V layer-built battery.
4. the battery powdered device of a kind of intelligent instrument as claimed in claim 1, is characterized in that: described electric storage device is farad capacitor described farad capacitor minus earth.
5. the battery powdered device of a kind of intelligent instrument as described in any one in claim 1,2,4, it is characterized in that: in the loop of battery and the first linear voltage stabilization chip formation, be provided with lightning protection bidirectional diode, described lightning protection bidirectional diode one end connects anode, one end ground connection.
6. the battery powdered device of a kind of intelligent instrument as described in any one in claim 1,2,4, is characterized in that: between battery and the first linear voltage stabilization chip input, be provided with the hot protective resistance of overvoltage.
7. the battery powdered device of a kind of intelligent instrument as claimed in claim 6; it is characterized in that: in the loop of battery and the first linear voltage stabilization chip formation, be also provided with lightning protection bidirectional diode; described lightning protection bidirectional diode connects anode, one end ground connection by the hot protective resistance of overvoltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594601.0U CN203536998U (en) | 2013-09-26 | 2013-09-26 | Battery power supply device for intelligent instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594601.0U CN203536998U (en) | 2013-09-26 | 2013-09-26 | Battery power supply device for intelligent instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203536998U true CN203536998U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320594601.0U Expired - Lifetime CN203536998U (en) | 2013-09-26 | 2013-09-26 | Battery power supply device for intelligent instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN203536998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490473A (en) * | 2013-09-26 | 2014-01-01 | 四川泰力智能仪表科技有限公司 | Battery power supply device of intelligent instrument |
| CN106644143A (en) * | 2016-11-15 | 2017-05-10 | 国网河南省电力公司漯河供电公司 | Power source system of single-phase intelligent electricity meter |
-
2013
- 2013-09-26 CN CN201320594601.0U patent/CN203536998U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490473A (en) * | 2013-09-26 | 2014-01-01 | 四川泰力智能仪表科技有限公司 | Battery power supply device of intelligent instrument |
| CN106644143A (en) * | 2016-11-15 | 2017-05-10 | 国网河南省电力公司漯河供电公司 | Power source system of single-phase intelligent electricity meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |