CN101718844A - Battery capacity testing device - Google Patents
Battery capacity testing device Download PDFInfo
- Publication number
- CN101718844A CN101718844A CN200910213654A CN200910213654A CN101718844A CN 101718844 A CN101718844 A CN 101718844A CN 200910213654 A CN200910213654 A CN 200910213654A CN 200910213654 A CN200910213654 A CN 200910213654A CN 101718844 A CN101718844 A CN 101718844A
- Authority
- CN
- China
- Prior art keywords
- battery
- voltage
- accumulator
- voltage comparator
- led driver
- 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.)
- Pending
Links
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a battery capacity testing device comprising a voltage comparator, a reference voltage circuit, an LED driver and an LED indicator light. A battery supplies a working power supply for the reference voltage circuit; a positive pole of the battery and an output end of the reference voltage circuit are respectively connected with two input ends of the voltage comparator; and output ends of the voltage comparator are sequentially connected with the LED driver and the LED indicator light. With the scheme, the battery capacity testing device has the advantages that the real-time voltage of the battery can be detected by the voltage comparator; if the real-time voltage of the battery is lower than or higher a set voltage value or between interval values of set voltage, the voltage comparator outputs a corresponding control signal to the LED driver; the LED indicator light can be driven by the LED driver to emit light so that the capacity retaining quantity of the battery can be clearly indicated, a user can clearly know whether the battery needs supplementary charging or not and know the left time for battery use, therefore, on the one hand, the chance of damage of the battery because of overdischarge can be reduced, and on the other hand, the use of the battery can be known.
Description
Technical field
The present invention relates to field of power supplies, specifically is a kind of accumulator electric-quantity proving installation.
Background technology
Present accumulator does not all have electric quantity display device mostly, and how many electric weight accumulator in the use, also has indeterminate in storage on earth, needs charging also unclear, the situation that the accumulator that happens occasionally damages because of overdischarge.
Summary of the invention
The purpose of this invention is to provide a kind of accumulator electric-quantity proving installation, it can clearly indicate the electric weight recoverable amount of accumulator, allow the user know clearly whether accumulator needs boost charge, accumulator how long can also use, can reduce the chance that accumulator damages because of overdischarge on the one hand, also the use of accumulator be accomplished to know what's what on the other hand.
Technical scheme of the present invention is such: a kind of accumulator electric-quantity proving installation, comprise voltage comparator, reference voltage circuit, led driver and LED light, provide working power by accumulator for the said reference potential circuit, the output terminal of the positive pole of accumulator and said reference potential circuit is connected to two input ends of above-mentioned voltage comparator, and the output terminal of above-mentioned voltage comparator connects above-mentioned led driver and LED light successively.
Be connected with pushbutton switch between the positive pole of accumulator and the input end of above-mentioned comparer.
Above-mentioned voltage comparator has three, and the said reference potential circuit has three output terminals, the corresponding respectively respective input that is connected in above-mentioned each voltage comparator of each output terminal of said reference potential circuit.
After adopting such scheme, battery electric quantity proving installation of the present invention, beneficial effect is: the real-time voltage that detects battery by voltage comparator, when if the real-time voltage of battery is below or above setting voltage value, or when the setting voltage interval value, voltage comparator output control signal corresponding is given led driver, luminous by led driver driving LED pilot lamp, like this, just can clearly indicate the electric weight recoverable amount of accumulator, allow the user know clearly whether accumulator needs boost charge, how long accumulator can also be used, and can reduce the chance that accumulator damages because of overdischarge on the one hand, also the use of accumulator is accomplished to know what's what on the other hand.
Description of drawings
Fig. 1 is a fundamental diagram of the present invention.
Embodiment
A kind of accumulator electric-quantity proving installation of the present invention, as shown in Figure 1, comprise: voltage comparator A1, A2, A3, by resistance R 1, voltage stabilizing diode Z1, resistance R 2, voltage stabilizing diode Z2, reference voltage circuit (the voltage stabilizing diode Z1 that resistance R 2 and voltage stabilizing diode Z3 form, Z2, the voltage breakdown of Z3 increases progressively successively), led driver D1, D2, D3, LED light L1, L2, L3, and button switch K, the positive pole of accumulator S is connected to an end of button switch K, the other end of button switch K is connected to voltage comparator A1 respectively, A2, the detection input end of A3, the other end of button switch K also is connected to an end of resistance R 1 respectively, one end of resistance R 2 and an end of resistance R 3, the other end of resistance R 1, the other end of the other end of resistance R 2 and resistance R 3 is connected to voltage comparator A1 respectively, A2, the reference voltage input of A3, be connected to after resistance R 1 and the voltage stabilizing diode Z1 series connection between the negative pole of the other end of button switch K and accumulator, be connected to after resistance R 2 and the voltage stabilizing diode Z2 series connection between the negative pole of the other end of button switch K and accumulator, be connected to after resistance R 3 and the voltage stabilizing diode Z3 series connection between the negative pole of the other end of button switch K and accumulator, voltage comparator A1, A2, the output terminal of A3 connects led driver D1 respectively, D2, the input end of D3, led driver D1, D2, the output terminal of D3 connects LED light L1 respectively, L2, the anode of L3, LED light L1, L2, the negative electrode of L3 is connected to the negative pole of accumulator S respectively.
When needs are understood accumulator electric-quantity, press the button K switch, connect the power supply of accumulator electric-quantity proving installation, the accumulator electric-quantity proving installation is started working:
When the voltage of accumulator during less than 12.4V, the input voltage of the in-phase end of voltage comparator A2, A3 is less than the voltage breakdown of voltage stabilizing diode Z2, Z3, voltage comparator A2, A3 output low level, the input voltage of the in-phase end of voltage comparator A1 is higher than the voltage breakdown of voltage stabilizing diode Z1, voltage comparator A1 output high level is given led driver D1, light LED light L1 through led driver D1 driving, represent the accumulator electric-quantity wretched insufficiency, need charge in batteries;
When the voltage of accumulator greater than 12.4V during less than 12.8V, the input voltage of the in-phase end of voltage comparator A3 is less than the voltage breakdown of voltage stabilizing diode Z3, voltage comparator A3 output low level, the input voltage of the in-phase end of voltage comparator A1, A2 is higher than the voltage breakdown of voltage stabilizing diode Z1, Z2, voltage comparator A1, A2 export high level respectively and give led driver D1, D2, drive respectively through led driver D1, D2 and to light LED light L1, L2, represent the accumulator electric-quantity deficiency, need charge in batteries;
When the voltage of accumulator during greater than 12.8V, the input voltage of the in-phase end of voltage comparator A1, A2, A3 is greater than the voltage breakdown of voltage stabilizing diode Z1, Z2, Z3, voltage comparator A1, A2, A3 export high level respectively and give led driver D1, D2, D3, drive respectively through led driver D1, D2, D3 and to light LED light L1, L2, L3, represent the accumulator electric-quantity abundance.
Like this, the user sees that bright several LED light just can judge the real-time electric weight of accumulator simply, intuitively, allow the user know clearly whether accumulator needs boost charge, accumulator how long can also use, can reduce the chance that accumulator damages because of overdischarge on the one hand, also the use of accumulator be accomplished to know what's what on the other hand.
Claims (3)
1. accumulator electric-quantity proving installation, it is characterized in that: comprise voltage comparator, reference voltage circuit, led driver and LED light, provide working power by accumulator for the said reference potential circuit, the output terminal of the positive pole of accumulator and said reference potential circuit is connected to two input ends of above-mentioned voltage comparator, and the output terminal of above-mentioned voltage comparator connects above-mentioned led driver and LED light successively.
2. a kind of accumulator electric-quantity proving installation according to claim 1 is characterized in that: be connected with pushbutton switch between the positive pole of accumulator and the input end of above-mentioned comparer.
3. a kind of accumulator electric-quantity proving installation according to claim 1 and 2, it is characterized in that: above-mentioned voltage comparator has three, the said reference potential circuit has three output terminals, the corresponding respectively respective input that is connected in above-mentioned each voltage comparator of each output terminal of said reference potential circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213654A CN101718844A (en) | 2009-12-01 | 2009-12-01 | Battery capacity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213654A CN101718844A (en) | 2009-12-01 | 2009-12-01 | Battery capacity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101718844A true CN101718844A (en) | 2010-06-02 |
Family
ID=42433448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910213654A Pending CN101718844A (en) | 2009-12-01 | 2009-12-01 | Battery capacity testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101718844A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103080759A (en) * | 2010-09-10 | 2013-05-01 | 三菱电机株式会社 | Overvoltage detecting device for energy storage module |
| CN103091634A (en) * | 2011-10-31 | 2013-05-08 | 海洋王照明科技股份有限公司 | Battery level indicating circuit and indicating device and lamp |
| CN103323777A (en) * | 2012-03-21 | 2013-09-25 | 海洋王（东莞）照明科技有限公司 | Battery capacity detection circuit |
| CN103364620A (en) * | 2012-03-27 | 2013-10-23 | 海洋王照明科技股份有限公司 | Power monitoring circuit and equipment |
| CN103852726A (en) * | 2012-11-29 | 2014-06-11 | 海洋王（东莞）照明科技有限公司 | Battery electric quantity detection device |
| CN104181366A (en) * | 2013-05-27 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Battery capacity display circuit |
| CN104833927A (en) * | 2015-05-15 | 2015-08-12 | 惠州Tcl移动通信有限公司 | Battery capacity display method, system thereof and mobile terminal |
| CN104849663A (en) * | 2014-02-15 | 2015-08-19 | 岳景睿 | Circuit for detecting battery level |
| CN105787140A (en) * | 2014-12-22 | 2016-07-20 | 惠州Tcl金能电池有限公司 | Method for determining retaining amount and injection amount of electrolyte solution of lithium ion battery |
| CN109041882A (en) * | 2018-07-18 | 2018-12-21 | 三亚新大兴园林生态有限公司 | A kind of trees automatic infusion device and its method with prompting function |
| CN110071556A (en) * | 2019-06-04 | 2019-07-30 | 南京矽力杰半导体技术有限公司 | Battery capacity indication circuit and indicating means |
| CN110380467A (en) * | 2019-06-26 | 2019-10-25 | 合山市华美新能源科技有限公司 | The storage battery power supply control method and its system of solar LED street lamp |
| US11139735B2 (en) | 2019-08-15 | 2021-10-05 | Silergy Semiconductor Technology (Hangzhou) Ltd | Drive circuit, drive method and integrated circuit thereof |
-
2009
- 2009-12-01 CN CN200910213654A patent/CN101718844A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103080759A (en) * | 2010-09-10 | 2013-05-01 | 三菱电机株式会社 | Overvoltage detecting device for energy storage module |
| CN103091634A (en) * | 2011-10-31 | 2013-05-08 | 海洋王照明科技股份有限公司 | Battery level indicating circuit and indicating device and lamp |
| CN103091634B (en) * | 2011-10-31 | 2016-09-28 | 海洋王照明科技股份有限公司 | A kind of battery electric quantity indicating circuit, instruction device and light fixture |
| CN103323777A (en) * | 2012-03-21 | 2013-09-25 | 海洋王（东莞）照明科技有限公司 | Battery capacity detection circuit |
| CN103364620A (en) * | 2012-03-27 | 2013-10-23 | 海洋王照明科技股份有限公司 | Power monitoring circuit and equipment |
| CN103852726A (en) * | 2012-11-29 | 2014-06-11 | 海洋王（东莞）照明科技有限公司 | Battery electric quantity detection device |
| CN104181366A (en) * | 2013-05-27 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Battery capacity display circuit |
| CN104849663A (en) * | 2014-02-15 | 2015-08-19 | 岳景睿 | Circuit for detecting battery level |
| CN105787140A (en) * | 2014-12-22 | 2016-07-20 | 惠州Tcl金能电池有限公司 | Method for determining retaining amount and injection amount of electrolyte solution of lithium ion battery |
| CN104833927A (en) * | 2015-05-15 | 2015-08-12 | 惠州Tcl移动通信有限公司 | Battery capacity display method, system thereof and mobile terminal |
| CN104833927B (en) * | 2015-05-15 | 2017-12-12 | 惠州Tcl移动通信有限公司 | A kind of display methods of battery electric quantity, system and mobile terminal |
| CN109041882A (en) * | 2018-07-18 | 2018-12-21 | 三亚新大兴园林生态有限公司 | A kind of trees automatic infusion device and its method with prompting function |
| CN110071556A (en) * | 2019-06-04 | 2019-07-30 | 南京矽力杰半导体技术有限公司 | Battery capacity indication circuit and indicating means |
| US11476687B2 (en) | 2019-06-04 | 2022-10-18 | Silergy Semiconductor Technology (Hangzhou) Ltd | Power indication circuit and power indication method |
| CN110380467A (en) * | 2019-06-26 | 2019-10-25 | 合山市华美新能源科技有限公司 | The storage battery power supply control method and its system of solar LED street lamp |
| US11139735B2 (en) | 2019-08-15 | 2021-10-05 | Silergy Semiconductor Technology (Hangzhou) Ltd | Drive circuit, drive method and integrated circuit thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101718844A (en) | Battery capacity testing device | |
| CN203152489U (en) | Electronic cigarette | |
| KR101690607B1 (en) | Portable backup power supply | |
| CN202455095U (en) | Charging indicating lamp line of vehicle-mounted charger | |
| CN105262192A (en) | Vehicle-mounted direct current system capable of stabilizing power supply and charging batteries | |
| CN203301136U (en) | Charging protector and charger thereof | |
| CN101937016A (en) | Low voltage promoting device | |
| CN206533164U (en) | Charging and discharging lithium battery battery capacity indication circuit | |
| CN104779585B (en) | A kind of secondary battery protection circuit | |
| CN102684255A (en) | Battery charger with LED group display | |
| CN202132855U (en) | Solar emergency lamp | |
| CN210670645U (en) | Control system for solar street lamp | |
| CN2850094Y (en) | Automatic balance protector for battery charging | |
| CN101325341B (en) | Mobile phone charger with USB plug | |
| CN104283195A (en) | Storage battery protection circuit preventing overcharge | |
| CN202353272U (en) | Saturation indicating circuit | |
| CN207398906U (en) | A kind of car emergency starter | |
| CN202737450U (en) | Over-discharge protector of storage battery | |
| CN110636673A (en) | Control system for solar street lamp | |
| CN202333887U (en) | Solar direct-current power supply system | |
| CN204761085U (en) | Control circuit and have this control circuit's that charges laser instrument charges | |
| CN103701178A (en) | Computer USB (Universal Serial Bus) port lithium battery rapid-level and slow-level charger | |
| CN203849386U (en) | Automobile battery indicator | |
| CN208835224U (en) | A kind of battery protecting circuit and battery pack | |
| CN202602319U (en) | Battery charger with LED group display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100602 |