CN204101704U - The electric quantity detection apparatus of portable power source - Google Patents
The electric quantity detection apparatus of portable power source Download PDFInfo
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- CN204101704U CN204101704U CN201420173189.XU CN201420173189U CN204101704U CN 204101704 U CN204101704 U CN 204101704U CN 201420173189 U CN201420173189 U CN 201420173189U CN 204101704 U CN204101704 U CN 204101704U
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of electric quantity detection apparatus of portable power source, comprise charging module, charging module is connected with the first input end of micro-control module and charging current detection module respectively, charging current detection module is connected with the second input end of micro-control module and rechargeable battery respectively, rechargeable battery is connected with discharge module, discharge module is connected with discharge current detection module, discharge current detection module is connected with the 3rd input end of micro-control module, the four-input terminal of micro-control module is connected with charged battery voltage detecting module, and the output terminal of micro-control module is connected with display module.The utility model, by measuring charging current and the discharge current of each different time sections of rechargeable battery, calculates the mean value of the charging current of each different time sections and the numerical value of discharge current, then calculates charge capacity and discharge electricity amount.Compared with prior art, the utility model voltage solved by detecting rechargeable battery calculates the electricity of rechargeable battery and causes the problem that electricity error is larger.
Description
Technical field
The utility model relates to a kind of electric quantity detection apparatus of portable power source.
Background technology
At present, existing portable power source electric power detection mode is: the voltage first detecting rechargeable battery in portable power source, then logical superpotential size calculate electricity number, due to rechargeable battery repeatedly charging and discharging, rechargeable battery is easily aging, cause the voltage of the rechargeable battery recorded to be forbidden, the electricity error therefore by calculating is also comparatively large, and error is about 30% of normal electricity.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides the electric quantity detection apparatus of the portable power source that a kind of degree of accuracy is high.
The utility model realizes like this, a kind of electric quantity detection apparatus of portable power source, comprise a charging module, described charging module is connected with the first input end of a micro-control module and a charging current detection module respectively, described charging current detection module is connected with the second input end of described micro-control module and a rechargeable battery respectively, described rechargeable battery is connected with a discharge module, described discharge module is connected with a discharge current detection module, described discharge current detection module is connected with the 3rd input end of described micro-control module, the four-input terminal of described micro-control module is connected with a charged battery voltage detecting module, the output terminal of described micro-control module is connected with a display module.
The utility model is by measuring charging current and the discharge current of each different time sections of rechargeable battery, calculate the mean value of the charging current of each different time sections and the numerical value of discharge current, calculate the numerical value of charge capacity and discharge electricity amount again, control display module by micro-control module the numerical value of the charge capacity calculated and discharge electricity amount is shown, regulate the voltage of rechargeable battery different time sections again, make the electricity recording rechargeable battery more accurate.Compared with prior art, the utility model solves prior art and causes by detecting the voltage of rechargeable battery and calculating the electricity of rechargeable battery the problem that electricity error is larger.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the electric quantity detection apparatus of the portable power source that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, the electric quantity detection apparatus of a kind of portable power source that the utility model embodiment provides, comprise charging module 1, charging module 1 is connected with the first input end of micro-control module 2 and charging current detection module 3 respectively, charging current detection module 3 is connected with the second input end of micro-control module 2 and rechargeable battery 4 respectively, rechargeable battery 4 is connected with discharge module 5, discharge module 5 is connected with discharge current detection module 6, discharge current detection module 6 is connected with the 3rd input end of micro-control module 2, the four-input terminal of micro-control module 2 is connected with charged battery voltage detecting module 7, the output terminal of micro-control module is connected with display module 8.
Principle of work of the present utility model is: when charging, the electric current of external power supply (not shown) charges to rechargeable battery 4 through charging module 1 and charging current detection module 3, simultaneously, the numerical value of the charging current of each different time sections of the charging module 1 detected is inputted micro-control module 2 by the first input end of micro-control module 2 by charging current detection module 3, and micro-control module 2 controls display module 8 and shown by the numerical value of the charging current of each different time sections.
Upon discharging, the electric current of rechargeable battery 4 powers to external equipment (not shown) through discharge module 5 and discharge current detection module 6, simultaneously, the numerical value of the discharge current of each different time sections of the rechargeable battery 4 detected is inputted micro-control module 2 by the second input end of micro-control module 2 by discharge current detection module 6, micro-control module 2 controls display module 8 and is shown by the numerical value of the discharge current of each different time sections, in addition, the voltage that micro-control module 8 also controls the rechargeable battery 4 of each different time sections that charged battery voltage detecting module 7 detects by display module 2 shows.
When while charging and discharging time, the electric current of external power supply charges 4 through charging module 1 and charging current detection module 3 to rechargeable battery, the electric current of rechargeable battery 4 powers to external connection electrical apparatus (not shown) through discharge module 5 and discharge current detection module 6, simultaneously, the numerical value of the discharge current of each different time sections that the numerical value of the charging current of each different time sections that charging current detection module 3 detects and discharge current detection module 6 detect, the charging current of variant time period and the numerical value of discharge current are respectively by first input end and the second input end input micro-control module 2 of micro-control module 2, micro-control module 2 controls display module 8 and is first compared by the numerical value of charging current and discharge current, calculate the mean value of the charging current of each different time sections and the numerical value of discharge current, by formula W=UIt(wherein W be electricity, U is voltage, I is electric current, t is the time) calculate charge capacity and the discharge electricity amount of rechargeable battery 4, the numerical value that display module 8 demonstrates charge capacity and discharge electricity amount is controlled by micro-control module 2, in addition, micro-control module 2 also controls the voltage that charged battery voltage detecting module 7 detects the rechargeable battery 4 of each different time sections by display module 8 and shows, then regulates the voltage of rechargeable battery 4, makes the electricity recording rechargeable battery 4 more accurate.
The utility model is by measuring charging current and the discharge current of each different time sections of rechargeable battery 4, calculate the mean value of the charging current of each different time sections and the numerical value of discharge current, calculate the charge capacity of rechargeable battery 4 and the numerical value of discharge electricity amount again, control display module 8 by micro-control module 2 numerical value of the charge capacity calculated and discharge electricity amount is shown, regulate the voltage of each different time sections of rechargeable battery 4 again, make the electricity recording rechargeable battery 4 more accurate.Compared with prior art, the utility model solves prior art and causes by detecting the voltage of rechargeable battery and calculating the electricity of rechargeable battery the problem that electricity error is larger.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (1)
1. the electric quantity detection apparatus of a portable power source, it is characterized in that, comprise a charging module, described charging module is connected with the first input end of a micro-control module and a charging current detection module respectively, described charging current detection module is connected with the second input end of described micro-control module and a rechargeable battery respectively, described rechargeable battery is connected with a discharge module, described discharge module is connected with a discharge current detection module, described discharge current detection module is connected with the 3rd input end of described micro-control module, the four-input terminal of described micro-control module is connected with a charged battery voltage detecting module, the output terminal of described micro-control module is connected with a display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173189.XU CN204101704U (en) | 2014-04-11 | 2014-04-11 | The electric quantity detection apparatus of portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173189.XU CN204101704U (en) | 2014-04-11 | 2014-04-11 | The electric quantity detection apparatus of portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204101704U true CN204101704U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173189.XU Expired - Fee Related CN204101704U (en) | 2014-04-11 | 2014-04-11 | The electric quantity detection apparatus of portable power source |
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| CN (1) | CN204101704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931567A (en) * | 2015-05-29 | 2015-09-23 | 苏州合欣美电子科技有限公司 | Automatic mercury ion concentration detection and control system with power supply optimization function |
-
2014
- 2014-04-11 CN CN201420173189.XU patent/CN204101704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931567A (en) * | 2015-05-29 | 2015-09-23 | 苏州合欣美电子科技有限公司 | Automatic mercury ion concentration detection and control system with power supply optimization function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20200411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |