CN208539637U - It can indicate the charging unit of charged state - Google Patents
It can indicate the charging unit of charged state Download PDFInfo
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- CN208539637U CN208539637U CN201821398047.8U CN201821398047U CN208539637U CN 208539637 U CN208539637 U CN 208539637U CN 201821398047 U CN201821398047 U CN 201821398047U CN 208539637 U CN208539637 U CN 208539637U
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Abstract
The utility model relates to battery charging fields, the utility model is to solve the problems, such as that existing charger can not indicate battery charging capacity, it is proposed a kind of charging unit that can indicate charged state, it include: microcontroller, multi-color LED, charging circuit, voltage detecting circuit and first resistor, pass through first resistor of connecting on charging circuit, the operating voltage at voltage detecting circuit detection first resistor both ends, go out the operating current of first resistor by the computing the resistor value of first resistor, the corresponding different operating current of the different battery capacities of charger, the operating voltage control multi-color LED that microcontroller is detected according to voltage detecting circuit shows different colors, the charging capacity of battery is indicated to realize, it is user-friendly, it is suitble to various charging scenarios.
Description
Technical field
The utility model relates to battery boosting technology fields, relate in particular to a kind of charging unit.
Background technique
During existing charger connection power supply charges the battery, mostly filled using light emitting diode group instruction battery
Electricity condition, mainly by the on and off of light emitting diode group, to indicate charged state, such as common electrical bike charger,
Red light emitting diodes and green LED are generally comprised, when charger connection power supply charges to battery, charger is aobvious
Show red, after battery is full of, charger display green, user can not know charging process and battery charging capacity, to use
Family brings inconvenience.
Utility model content
The purpose of this utility model is to solve the problems, such as that existing charger can not indicate battery charging capacity, proposes one
Kind can indicate the charging unit of charged state.
The utility model solves technical solution used by above-mentioned technical problem: can indicate the charging dress of charged state
It sets, comprising: one end of charging circuit, voltage detecting circuit and first resistor, the first resistor is connect with charging circuit, another
End ground connection, the both ends of first resistor connect with voltage detecting circuit, further include microcontroller and multi-color LED, described micro-
Controller is connect with multi-color LED and voltage detecting circuit respectively.
Further, for the battery capacity of more intuitive display charger, the color packet that the multi-color LED is shown
Include red, green and blue.
Further, to prevent multi-color LED from damaging, the charging unit for indicating charged state further includes
One end of second resistance, the second resistance is connect with microcontroller, and the other end is connect with multi-color LED.
Specifically, to keep current detecting more accurate, the voltage detecting circuit includes: the first bandwidth-limited circuit, the
Two bandwidth-limited circuits and amplifying circuit, first bandwidth-limited circuit are connect with charging circuit, second bandpass filtering
Circuit is connect with microcontroller, and the amplifying circuit is separately connected the first bandwidth-limited circuit and the second bandwidth-limited circuit.
Cost is researched and developed to save, a kind of specific structure of first bandwidth-limited circuit is provided: the first bandpass filtering electricity
Road includes: 3rd resistor, the 4th resistance and first capacitor, and one end of the 3rd resistor and one end of first resistor connect, separately
One end and one end of first capacitor connect, and the other end of first capacitor is connect with one end of the 4th resistance, the 4th resistance it is another
End ground connection.
Research and develop cost to save, provide a kind of specific structure of amplifying circuit: the amplifying circuit includes the 5th resistance, the
Six resistance, the 7th resistance and operational amplifier, one end of the 5th resistance and one end of first capacitor connect, the other end and fortune
Calculate the normal phase input end connection of amplifier, the other end of one end of the 6th resistance and first capacitor connects, the other end respectively with fortune
Calculate one end connection of the negative-phase input and the 7th resistance of amplifier, the other end of the 7th resistance and the output end of operational amplifier
Connection.
Cost is researched and developed to save, a kind of specific structure of second bandwidth-limited circuit is provided: the second bandpass filtering electricity
Road includes: the 8th resistance and the second capacitor, and one end of second capacitor connects with one end of microcontroller and the 8th resistance respectively
It connects, other end ground connection, the other end of the 8th resistance and the output end of operational amplifier connect.
The beneficial effects of the utility model are: the charging unit described in the utility model for indicating charged state, micro-control
The operating voltage range control multi-color LED that device processed is detected according to voltage detecting circuit shows different colors, user
Battery capacity can be judged by the color of multi-color LED, in addition, realizing only with a multi-color LED a variety of
Color is shown, easy for installation.
Detailed description of the invention
Fig. 1 is the electrical block diagram that the charging unit of charged state is indicated described in the utility model embodiment；
Description of symbols:
R1- first resistor；R2- second resistance；R3- 3rd resistor；The 4th resistance of R4-；The 5th resistance of R5-；The 6th electricity of R6-
Resistance；The 7th resistance of R7-；The 8th resistance of R8-；C1- first capacitor；The second capacitor of C2-；U1- operational amplifier；LED- is multicolor luminous
Diode.
Specific embodiment
The embodiments of the present invention is described in detail below in conjunction with attached drawing.
The charging unit described in the utility model for indicating charged state, comprising: charging circuit, voltage detecting circuit and
One end of first resistor, the first resistor is connect with charging circuit, other end ground connection, the both ends of first resistor and voltage detecting
Circuit connection, further includes microcontroller and multi-color LED, the microcontroller respectively with multi-color LED and electricity
Press detection circuit connection.Wherein, by first resistor of connecting on charging circuit, voltage detecting circuit detects first resistor both ends
Operating voltage, the operating current of first resistor, the different battery capacities pair of charger are gone out by the computing the resistor value of first resistor
The different operating currents answered, microcontroller control multi-color LED according to the operating voltage that voltage detecting circuit detects
It shows different colors, the charging capacity of battery is indicated to realize.
Embodiment
The charging unit of charged state is indicated described in the utility model embodiment, circuit structure diagram as shown in Figure 1,
Including microcontroller, multi-color LED LED, charging circuit, voltage detecting circuit and first resistor R1, wherein microcontroller
Device is connect with multi-color LED LED and voltage detecting circuit respectively, and one end of first resistor R1 is connect with charging circuit, separately
One end ground connection, the both ends of first resistor R1 are connect with voltage detecting circuit.
In order to make the battery capacity of the more intuitive judgement charger of user, the color of multi-color LED reality can be with
Including red, green and blue, after applying corresponding software method, control module is according to detecting through operating voltage meter
The operating current control multi-color LED of calculating issues different colors and is specifically as follows:
If I1 > 75%*I, multi-color LED are displayed in red and flash, at this point, indicating that battery capacity is lower；
If 50%*I < I1 < 75%*I, multi-color LED are displayed in blue and flash, at this point, indicate battery capacity compared with
It is high；
If I1 < 50%*I, multi-color LED display green simultaneously flashes, at this point, indicating that battery is soon full of；
If I1≤10%*I, multi-color LED display green, at this point, indicating that battery has been filled with；
If I1 ≈ 0A；Multi-color LED does not work, at this point, indicating that charging circuit and battery to be charged are in breaking shape
State, charger are in non-battery capacity；
In formula, I1 indicates that charging circuit operating current, I indicate the virtual value of charging circuit rated operational current；
Above-mentioned software approach needs to be arranged according to user, herein by way of example only.
To prevent multi-color LED from damaging, indicate that the charging unit of charged state further includes described in the present embodiment
One end of second resistance R2, second resistance R2 are connect with microcontroller, and the other end is connect with multi-color LED LED, wherein
Second resistance R2 is current-limiting resistance, can reduce the electric current for flowing through multi-color LED LED, prevents multi-color LED
LED damage.
The present embodiment provides a kind of particular circuit configurations of voltage detecting circuit, including the first bandwidth-limited circuit, second
Bandwidth-limited circuit and amplifying circuit, the first bandwidth-limited circuit are connect with charging circuit, the second bandwidth-limited circuit and micro-control
Device connection processed, amplifying circuit are separately connected the first bandwidth-limited circuit and the second bandwidth-limited circuit, wherein pass through bandpass filtering
It is readable to may amplify the signal to microcontroller by amplifying circuit for the influence that circuit can exclude the interference signal to operating voltage signal
Take range.
The present embodiment provides a kind of particular circuit configurations of first bandwidth-limited circuit, including 3rd resistor R3, the 4th electricity
R4 and first capacitor C1 is hindered, one end of 3rd resistor R3 is connect with one end of first resistor R1, and the other end is with first capacitor C1's
One end connection, the other end of first capacitor C1 are connect with one end of the 4th resistance R4, the other end ground connection of the 4th resistance R4, wherein
4th resistance R4 is current-limiting resistance.
The present embodiment provides a kind of particular circuit configurations of amplifying circuit, including the 5th resistance R5, the 6th resistance R6, the 7th
Resistance R7 and operational amplifier U1, one end of the 5th resistance R5 are connect with one end of first capacitor C1, the other end and operation amplifier
The normal phase input end of device U1 connects, and one end of the 6th resistance R6 is connect with the other end of first capacitor C1, the other end respectively with fortune
Calculate one end connection of the negative-phase input and the 7th resistance R7 of amplifier U1, the other end and operational amplifier U1 of the 7th resistance R7
Output end connection, wherein the ratio of the 6th resistance R6 and the 5th resistance R5 determines the amplification factor of amplifying circuit, can be according to reality
Border needs to select.
The present embodiment provides a kind of particular circuit configurations of second bandwidth-limited circuit, including the electricity of the 8th resistance R8 and second
Hold C2, one end of the second capacitor C2 is connect with one end of microcontroller and the 8th resistance R8 respectively, other end ground connection, the 8th resistance
The other end of R8 is connect with the output end of operational amplifier U1.
Its working principle is that: according to the amplification factor of operational amplifier U1, microcontroller calculates the both ends first resistor R1
Operating voltage, according to the computing the resistor value of the operating voltage of first resistor R1 and first resistor R1 go out first resistor R1 work electricity
Stream, since during the charging process, the operating current of charging circuit can reduce according to the increase of battery capacity, therefore microcontroller
Multi-color LED can be controlled according to the operating current of charging circuit and shows different colours to indicate battery charging capacity, used
Family can judge the charging capacity of battery according to the color change of multi-color LED.
It should be noted that provided by the utility model is only the specific of the charging unit that one kind can indicate charged state
Circuit structure, involved computer software programs or agreement is well known to those skilled in the art in itself in the system
Technology is not the improvements of this system, and details are not described herein again.
Claims (7)
1. the charging unit of charged state can be indicated, comprising: charging circuit, voltage detecting circuit and first resistor, described first
One end of resistance is connect with charging circuit, and other end ground connection, the both ends of first resistor are connect with voltage detecting circuit, and feature exists
In, further include microcontroller and multi-color LED, the microcontroller respectively with multi-color LED and voltage detecting
Circuit connection.
2. can indicate the charging unit of charged state as described in claim 1, which is characterized in that the multi-color LED
The color of display includes red, green and blue.
3. can indicate the charging unit of charged state as described in claim 1, which is characterized in that it further include second resistance, institute
The one end for stating second resistance is connect with microcontroller, and the other end is connect with multi-color LED.
4. can indicate the charging unit of charged state as described in claim 1, which is characterized in that the voltage detecting circuit packet
It includes: the first bandwidth-limited circuit, the second bandwidth-limited circuit and amplifying circuit, first bandwidth-limited circuit and charging circuit
Connection, second bandwidth-limited circuit are connect with microcontroller, and the amplifying circuit is separately connected the first bandwidth-limited circuit
With the second bandwidth-limited circuit.
5. can indicate the charging unit of charged state as claimed in claim 4, which is characterized in that the first bandpass filtering electricity
Road includes: 3rd resistor, the 4th resistance and first capacitor, and one end of the 3rd resistor and one end of first resistor connect, separately
One end and one end of first capacitor connect, and the other end of first capacitor is connect with one end of the 4th resistance, the 4th resistance it is another
End ground connection.
6. can indicate the charging unit of charged state as claimed in claim 4, which is characterized in that the amplifying circuit includes the
Five resistance, the 6th resistance, the 7th resistance and operational amplifier, one end of the 5th resistance and one end of first capacitor connect,
The connection of the normal phase input end of the other end and operational amplifier, one end of the 6th resistance and the other end of first capacitor connect, another
End is connect with one end of the negative-phase input of operational amplifier and the 7th resistance respectively, the other end and operation amplifier of the 7th resistance
The output end of device connects.
7. can indicate the charging unit of charged state as claimed in claim 4, which is characterized in that the second bandpass filtering electricity
Road includes: the 8th resistance and the second capacitor, and one end of second capacitor connects with one end of microcontroller and the 8th resistance respectively
It connects, other end ground connection, the other end of the 8th resistance and the output end of operational amplifier connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398047.8U CN208539637U (en) | 2018-08-28 | 2018-08-28 | It can indicate the charging unit of charged state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398047.8U CN208539637U (en) | 2018-08-28 | 2018-08-28 | It can indicate the charging unit of charged state |
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| Publication Number | Publication Date |
|---|---|
| CN208539637U true CN208539637U (en) | 2019-02-22 |
Family
ID=65377728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821398047.8U Active CN208539637U (en) | 2018-08-28 | 2018-08-28 | It can indicate the charging unit of charged state |
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| Country | Link |
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| CN (1) | CN208539637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290633A (en) * | 2020-10-28 | 2021-01-29 | 广东健奥科技有限公司 | Circuit and method for indicating power supply by using bicolor light-emitting diode and oximeter |
| CN112305947A (en) * | 2019-07-25 | 2021-02-02 | 鸿富锦精密工业(武汉)有限公司 | Control circuit and electronic device applying same |
-
2018
- 2018-08-28 CN CN201821398047.8U patent/CN208539637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305947A (en) * | 2019-07-25 | 2021-02-02 | 鸿富锦精密工业(武汉)有限公司 | Control circuit and electronic device applying same |
| CN112290633A (en) * | 2020-10-28 | 2021-01-29 | 广东健奥科技有限公司 | Circuit and method for indicating power supply by using bicolor light-emitting diode and oximeter |
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