CN201007738Y - Battery electric quantity metering display circuit device of LED lamp - Google Patents
Battery electric quantity metering display circuit device of LED lamp Download PDFInfo
- Publication number
- CN201007738Y CN201007738Y CNU2007201069851U CN200720106985U CN201007738Y CN 201007738 Y CN201007738 Y CN 201007738Y CN U2007201069851 U CNU2007201069851 U CN U2007201069851U CN 200720106985 U CN200720106985 U CN 200720106985U CN 201007738 Y CN201007738 Y CN 201007738Y
- Authority
- CN
- China
- Prior art keywords
- display circuit
- electric quantity
- battery
- quantity metering
- battery electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to a device for a gagging and displaying circuit of battery power in an LED lamp apparatus. Electric charging signals generated in constant-current charging time are connected to the gagging and displaying circuit of battery power. Thermo-sensitive resistors disposed inside battery groups and the battery groups are connected to the gagging and displaying circuit of battery power. A constant-current discharge key and an LED light beam displaying circuit are connected to the gagging and displaying circuit of battery power. A light-on control circuit outputted by the gagging and displaying circuit of battery power is connected to a discharge constant-current source. The utility model has the advantages that capability of displaying remaining electric quantity of batteries is realized on the movable LED lamp apparatus capable of power of chargeable batteries, and a low-cost circuit device for a gagging and displaying circuit of battery power in an LED lamp apparatus is provided.
Description
Technical field
The utility model relates to the electric quantity metering of charging/discharging of secondary cell, mainly is battery electric quantity metering display circuit device in a kind of LED light fixture.
Background technology
At present, LED has developed into a kind of period of lighting source, because the electro-optical efficiency of LED is very high, for battery powered mobile illuminating lamp provides possibility.For the mobile LED light fixture of rechargeable battery power supply, people wish can show as mobile phone how many electric weight battery remains.But the domestic and international market does not still have this series products.
Because charging current is constant during charging, the rated capacity of battery is constant, so filling in the unit interval, the electric weight of battery is gageable, also since secondary cell charge near 100% o'clock, battery temperature begins to rise, can reach 55 ℃, thus the criterion that this battery temperature can be full of as battery, to revise the cumulative errors of electric quantity metering.
Because during discharge, discharge current is constant, so the electric weight that battery is emitted in the unit interval is gageable, also fixes owing to secondary cell sparking voltage lower limit, so this cell voltage can be as the criterion of battery emptying, to revise the cumulative errors of electric quantity metering.
The utility model content
The purpose of this utility model will solve above-mentioned existing shortcoming exactly, battery electric quantity metering display circuit device in a kind of light fixture of LED cheaply is provided, and outstanding pointer is to the metering of the battery electric quantity under the constant current charge-discharge situation and five dual-colored LED light beam display circuit devices.
The utility model solves the technical scheme that its technical matters adopts.Battery electric quantity metering display circuit device in this LED light fixture, the charging signals that produces during constant-current charge is connected to battery electric quantity metering display circuit, thermistor in the electric battery and electric battery are connected to battery electric quantity metering display circuit, the constant-current discharge button is connected to battery electric quantity metering display circuit, LED light beam display circuit is connected to battery electric quantity metering display circuit, and the control signal of turning on light of battery electric quantity metering display circuit output is connected to the discharge constant current source.
The effect that the utility model is useful is: the mobile LED light fixture in the rechargeable battery power supply has realized showing how many electric weight battery remains, and a kind of light fixture of LED cheaply battery electric quantity metering display circuit device is provided.
Description of drawings
Fig. 1 is a circuit square frame connection diagram of the present utility model;
Fig. 2 is a physical circuit principle schematic of the present utility model;
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As Fig. 1-shown in Figure 2, battery electric quantity metering display circuit device in this LED light fixture, the charging signals that produces during constant-current charge is connected to battery electric quantity metering display circuit, thermistor in the electric battery and electric battery are connected to battery electric quantity metering display circuit, the constant-current discharge button is connected to battery electric quantity metering display circuit, LED light beam display circuit is connected to battery electric quantity metering display circuit, and the control signal of turning on light of battery electric quantity metering display circuit output is connected to the discharge constant current source.
Charging signals described in the utility model is connected to CPU by resistance R 1, resistance R 2 after triode Q1 amplifies.
Thermistor RTM1 in the electric battery described in the utility model dividing potential drop of connecting with resistance R 12 is connected to the 1IN-pin of comparer U2, be connected to the 1IN+ pin of comparer U2 by the ambient compensation thermistor RTM2 back R15 in parallel dividing potential drop of connecting with R13 of connecting with resistance R 14, comparer U2 generation battery is full of signal and is connected to CPU from the 10UT pin.
Constant-current discharge button K1 described in the utility model is connected to CPU; During discharge, cell voltage VB+ is connected to the 2IN+ pin of comparer U2 via resistance R 17, resistance R 16 dividing potential drops, and relatively produces discharge emptying signal with reference voltage 2.49V and be connected to CPU from the 20UT pin.
LED light beam display circuit described in the utility model adopts five dual-colored LED light beams to be connected respectively to CPU, and when discharging and recharging, on behalf of battery, a red LED light beam have 20% of rated capacity; During charging, battery capacity reaches 100% back five light beams and is all green.
Claims (5)
1. battery electric quantity metering display circuit device in the LED light fixture, it is characterized in that: the charging signals that produces during constant-current charge is connected to battery electric quantity metering display circuit, thermistor in the electric battery and electric battery are connected to battery electric quantity metering display circuit, the constant-current discharge button is connected to battery electric quantity metering display circuit, LED light beam display circuit is connected to battery electric quantity metering display circuit, and the control signal of turning on light of battery electric quantity metering display circuit output is connected to the discharge constant current source.
2. battery electric quantity metering display circuit device in the LED light fixture according to claim 1, it is characterized in that: described charging signals is connected to CPU by resistance R 1, resistance R 2 after triode Q1 amplifies.
3. battery electric quantity metering display circuit device in the LED light fixture according to claim 1, it is characterized in that: the dividing potential drop of connecting with resistance R 12 of the thermistor RTM1 in the described electric battery is connected to the 1IN-pin of comparer U2, be connected to the 1IN+ pin of comparer U2 by the ambient compensation thermistor RTM2 back R15 in parallel dividing potential drop of connecting with R13 of connecting with resistance R 14, comparer U2 generation battery is full of signal and is connected to CPU from the 1OUT pin.
4. battery electric quantity metering display circuit device in the LED light fixture according to claim 1, it is characterized in that: described constant-current discharge button K1 is connected to CPU; Cell voltage VB+ during discharge is connected to the 2IN+ pin of comparer U2 via resistance R 17, resistance R 16 dividing potential drops, and relatively produces discharge emptying signal with reference voltage 2.49V and be connected to CPU from the 2OUT pin.
5. battery electric quantity metering display circuit device in the LED light fixture according to claim 1, it is characterized in that: described LED light beam display circuit adopts five dual-colored LED light beams to be connected respectively to CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201069851U CN201007738Y (en) | 2007-03-07 | 2007-03-07 | Battery electric quantity metering display circuit device of LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201069851U CN201007738Y (en) | 2007-03-07 | 2007-03-07 | Battery electric quantity metering display circuit device of LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201007738Y true CN201007738Y (en) | 2008-01-16 |
Family
ID=39003685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201069851U Expired - Fee Related CN201007738Y (en) | 2007-03-07 | 2007-03-07 | Battery electric quantity metering display circuit device of LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201007738Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605083A (en) * | 2013-12-10 | 2014-02-26 | 宁波市子华电器有限公司 | Electric quantity display circuit of electric vehicle |
| CN105137228A (en) * | 2015-09-11 | 2015-12-09 | 上海斐讯数据通信技术有限公司 | Electric discharging device and testing system comprising the same |
-
2007
- 2007-03-07 CN CNU2007201069851U patent/CN201007738Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605083A (en) * | 2013-12-10 | 2014-02-26 | 宁波市子华电器有限公司 | Electric quantity display circuit of electric vehicle |
| CN103605083B (en) * | 2013-12-10 | 2016-03-09 | 宁波市子华电器有限公司 | A kind of electric quantity display circuit of electric motor car |
| CN105137228A (en) * | 2015-09-11 | 2015-12-09 | 上海斐讯数据通信技术有限公司 | Electric discharging device and testing system comprising the same |
| CN105137228B (en) * | 2015-09-11 | 2017-12-19 | 上海斐讯数据通信技术有限公司 | A kind of electric discharge device and the test system comprising the electric discharge device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101854071B (en) | Intelligent multi-stage constant current charger | |
| CN102856940A (en) | Electronic device and charger capable of indicating battery charging state | |
| CN103023081A (en) | Mobile power supply with electric quantity detection function | |
| CN201007738Y (en) | Battery electric quantity metering display circuit device of LED lamp | |
| CN206533164U (en) | Charging and discharging lithium battery battery capacity indication circuit | |
| CN203522269U (en) | Mobile power supply circuit and mobile power supply | |
| CN202888945U (en) | Multi-cell control device | |
| CN204924421U (en) | Solar energy electronic scale | |
| CN206432735U (en) | A kind of dc source double work state control circuit | |
| CN209184292U (en) | A kind of lithium ion secondary battery intelligent charger | |
| CN203491747U (en) | Mobile power supply with accurate electric quantity display | |
| CN202260570U (en) | Multifunctional solar charger | |
| CN202872418U (en) | Solar charger with functions of electric quantity displaying and temperature protection | |
| CN202749858U (en) | Mobile power supply with precise power display | |
| CN201599709U (en) | Charging solar desk lamp | |
| CN201467520U (en) | Multifunctional solar lighting power supply | |
| CN203883527U (en) | Multifunctional portable power source | |
| CN219478165U (en) | Cultural lamp control circuit and cultural lamp thereof | |
| CN202197433U (en) | Portable light-emitting diode (LED) lighting lamp | |
| CN202333910U (en) | Automobile standby charge power supply capable of displaying electric quantity | |
| CN201916838U (en) | Control system for wind-to-solar energy lighting device | |
| CN211183440U (en) | Circuit with synchronous cell-phone electric quantity function of demonstration | |
| CN202931624U (en) | Rechargeable mobile LED fluorescent tube | |
| CN203504239U (en) | Novel solar portable power supply | |
| CN218217759U (en) | Touch dimming small night lamp circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20100307 |