CN212012170U - Intelligent battery charging system - Google Patents
Intelligent battery charging system Download PDFInfo
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- CN212012170U CN212012170U CN202020412685.1U CN202020412685U CN212012170U CN 212012170 U CN212012170 U CN 212012170U CN 202020412685 U CN202020412685 U CN 202020412685U CN 212012170 U CN212012170 U CN 212012170U
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Abstract
The utility model discloses an intelligent battery charging system, include: a battery body; the charging module is used for charging the battery body; the detection module is used for detecting the temperature of the battery body and forming a detection signal; and the main control module is used for adjusting the ending voltage of the charging module according to the temperature in the detection signal. The utility model discloses a main control module is according to the corresponding end voltage of temperature adjustment of difference to reach the purpose of protection and optimization battery, make the battery be in optimal state. The reliability and the durability of the battery are improved, and the user experience is good; the repair rate of the battery is reduced, the reliability of the battery is improved, and the user satisfaction of the battery is improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of battery and specifically relates to an intelligent battery charging system is related to.
Background
With the development of technology, batteries have become one of the most common and most commonly used batteries in consumer appliances. The storage battery needs to be charged and discharged periodically during use, and the purpose of charging is to enable the storage battery to store electric energy and recover the capacity timely so as to meet the requirements of electric equipment. The purpose of discharging is to check the capacity parameters of the battery in time and to promote the activation reaction of the electrode active material. Therefore, the electrical performance and the service life of the storage battery are directly affected by the charging and discharging conditions of the storage battery.
However, the conventional battery charger realizes the constant-current and constant-voltage charging function through a comparator or an operational amplifier, and the output end of the battery charger is directly connected to the positive and negative ends of the battery so as to achieve the constant-current charging process and the final constant-voltage charging process. However, in the charging process of the battery charger, the voltage point of the constant voltage of the battery can be changed along with the change of the external environment temperature, and the battery is easy to be insufficiently or excessively charged for a long time, so that the capacity of the storage battery is greatly reduced, and the rejection rate and the maintenance rate of the battery are increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving at least the technical problem who exists among the prior art. Therefore, the utility model provides an intelligence battery charging system can be according to ambient temperature adjustment charging voltage, makes the battery be in the optimal state, improves the reliability of battery, reduces the maintenance rate of battery.
An embodiment of the utility model provides an intelligent battery charging system, include: a battery body;
the charging module is used for charging the battery body;
the detection module is used for detecting the temperature of the battery body and forming a detection signal;
and the main control module is used for adjusting the ending voltage of the charging module according to the temperature in the detection signal.
The utility model discloses an intelligent battery charging system has following beneficial effect at least: the main control module adjusts corresponding ending voltage according to different temperatures so as to achieve the purposes of protecting and optimizing the battery and enable the battery to be in an optimal state. The reliability and the durability of the battery are improved, and the user experience is good; the repair rate of the battery is reduced, the reliability of the battery is improved, and the user satisfaction of the battery is improved.
According to the utility model discloses an intelligent battery charging system of other embodiments still includes: and the display module is used for displaying the temperature state of the battery body.
According to the utility model discloses an intelligent battery charging system of other embodiments still includes: a protection module;
the protection module is electrically connected between the charging module and the battery body to isolate high voltage and high current and prevent reverse connection of the battery.
According to the utility model discloses an intelligent battery charging system of other embodiments, the module of charging includes: the alternating current-to-direct current unit is used for converting alternating current into a direct current power supply;
and the charging unit is used for inputting a direct current power supply to the battery body.
According to the utility model discloses an intelligent battery charging system of other embodiments, main control module includes:
a calculating unit for calculating a compensation voltage according to the temperature in the detection signal;
and the control unit is used for controlling the battery body to be charged according to the end voltage formed by the supplement voltage and the preset cut-off voltage.
According to the utility model discloses an intelligent battery charging system of other embodiments, detection module includes: a thermistor, a sixty-eight capacitor, and a sixty-nine capacitor;
one end of the thermistor is connected with the computing unit, and the other end of the thermistor is grounded;
one end of the sixty-eight capacitor is connected between the thermistor and the computing unit, and the other end of the sixty-eight capacitor is grounded;
one end of the sixty-nine capacitor is connected with the computing unit, and the other end of the sixty-nine capacitor is grounded.
According to the utility model discloses an intelligent battery charging system of other embodiments, the charging unit includes:
the charging circuit comprises a plurality of charging chips and a first peripheral circuit, wherein three charging chips are arranged and respectively defined as a first charging chip, a second charging chip and a third charging chip;
the model of the first charging chip is CSD87333Q3D, the model of the second charging chip is TS321, and the model of the third charging chip is TPS 40303.
According to another embodiment of the present invention, the computing unit and the control unit are integrated on a processor, and the processor model is HT50F 70.
Drawings
Fig. 1 is a block diagram of an embodiment of an intelligent battery charging system according to the present invention;
fig. 2 is a schematic circuit diagram of an embodiment of an intelligent battery charging system according to the present invention;
fig. 3 is a schematic circuit diagram of an embodiment of an intelligent battery charging system according to the present invention;
fig. 4 is a schematic circuit diagram of an embodiment of an intelligent battery charging system according to the present invention.
Reference numerals: 100. a battery body; 200. a charging module; 210. an AC-to-DC unit; 220. a charging unit; 300. a detection module; 400. a main control module; 410. a calculation unit; 420. a control unit; 500. A display module; 600. and a protection module.
Detailed Description
The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.
In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Referring to fig. 1, a block diagram of an intelligent battery charging system according to an embodiment of the present invention is shown. The embodiment of the utility model discloses intelligent battery charging system, include: the battery pack comprises a battery body 100, a charging module 200, a detection module 300 and a main control module 400, wherein the detection module 300 is used for detecting the temperature of the battery body 100 and forming a detection signal; a charging module 200 for charging the battery body 100; and the main control module 400 is configured to adjust the ending voltage of the charging module 200 according to the temperature in the detection signal. Detect the temperature on the battery body 100 through detection module 300, then main control module 400 calculates the end voltage that the battery body 100 charges according to the temperature and controls the module of charging 200 to charge for the battery body 100 according to the end voltage, adjust the charging voltage that corresponds according to different temperatures, so that battery body 100 can sufficient electric quantity under the different temperatures, in order to reach the purpose of protection and optimization battery, improve battery reliability, durability and good user experience, reduce the rate of reprocessing of battery, improve the reliability of battery, improve the user satisfaction of battery.
In some embodiments, an intelligent battery charging system further includes a protection module 600, wherein the protection module 600 is electrically connected between the charging module 200 and the battery body 100 to isolate high voltage and high current and prevent the battery body 100 from being reversely connected. The protection module 600 includes: a first protection unit for isolating the high current and the high voltage input from the charging module 200 to the battery body 100, and a second protection unit for stopping the charging of the charging module 200 to the battery body 100 according to the reverse connection of the battery body 100.
In some embodiments, the intelligent battery charging system further includes a display module 500, the display module 500 is configured to display a temperature state inside the battery body 100, and the display module 500 is configured to display the temperature state of the battery body 100, so that a user can observe the state of the battery body 100, and make different repairs according to different temperature states, thereby ensuring that the battery body 100 is stable in a charging process.
In some embodiments, the charging module 200 includes: the battery pack includes an ac-to-dc unit 210 and a charging unit 220, the ac-to-dc unit 210 is used for converting the commercial power ac into the dc power, and the charging unit 220 is used for inputting the dc power to the battery body 100, so as to complete the charging of the battery body 100.
The main control module 400 includes: a calculating unit 410 and a control unit 420, wherein the calculating unit 410 is used for calculating a compensation voltage according to the temperature value in the detection signal, and the control unit 420 is used for controlling the battery body 100 to be charged according to an end voltage formed by the compensation voltage and a preset cut-off voltage. And the control unit 420 also controls the charging module 200 to stop charging the battery body 100 according to the detection of the battery reverse connection by the second protection unit. The calculating unit 410 and the control unit 420 are integrated on a processor, the model of the processor is HT50F70, the processor is electrically connected to the peripheral circuits, specifically referring to fig. 3, the signals collected by the detecting module 300 are received by the fifteenth pin and the sixteenth pin of the processor U10 and processed to calculate the compensation voltages at different temperatures. The sixteenth pin of the processor U10 judges the current temperature of the battery body 100 by recognizing the voltage of the detection module 300 and comparing the voltage with the internal data, and calculates the compensation voltage according to the temperature, thereby preventing the undercharge at low temperature or the overcharge at high temperature.
Referring to fig. 1 and 2, the detection module 300 includes: a thermistor, a sixty-eight capacitor C68, a sixty-nine capacitor C69; the type of the thermistor is NTC2A, one end of the thermistor is connected with a sixteenth pin of the processor U10, and the other end of the thermistor is grounded; one end of a sixty-eight capacitor C68 is connected between the thermistor and the processor U10, and the other end of the sixty-eight capacitor C68 is grounded; one end of the sixty-nine capacitor C69 is connected to the processor and the other end is connected to ground. The thermistor forms different voltages according to different temperatures and inputs the voltages into the processor U10, so that the processor U10 can calculate and control the voltages.
Referring to fig. 1, 3, and 4, the first protection unit includes: the ninth MOS transistor Q9 and the tenth MOS transistor Q10, the ninth MOS transistor Q9 is N-channel, the tenth MOS transistor Q10 is P-channel, and the ninth MOS transistor Q9 and the tenth MOS transistor Q10 are connected in circuit as shown in fig. 3, when the voltage or current input by the charging module 200 is too high, the ninth MOS transistor Q9 and the tenth MOS transistor Q10 are turned off, and the high voltage and the high current output by the charging module 200 are not output to the battery body 100. The second protection unit comprises an optical coupler and a peripheral circuit, wherein the optical coupler is of the type EL817S1(C) (TU) -F. The negative pole of battery body 100 is connected to the first pin of opto-coupler, the positive pole of battery body 100 is connected to the second pin, and the twenty-fourth pin of treater U10 is connected to the third pin of opto-coupler, ground connection is connected to the fourth pin, when battery body 100 joins conversely, then the opto-coupler switches on, thereby treater U10's twenty-fourth pin inserts the high level, then treater U10 stops charging according to high level control charging module 200, thereby burn out when preventing battery body 100 joins conversely.
Referring to fig. 1, 3 and 4, the charging module 200 includes: referring to fig. 3, the first charging chip U3A, the second charging chip U4A, the third charging chip U7A and the peripheral circuit are connected in circuit, the first charging chip U3A, the second charging chip U4A, the third charging chip U7A and the peripheral circuit are connected in circuit, the first charging chip U3A is CSD87333Q3D, the second charging chip U4A is TS321, and the third charging chip U7A is TPS 40303. When the processor U10 recognizes that the sixteenth pin is changed, the fourteenth pin sends out a pulse signal with a different duty ratio, the pulse signal is output to one end of the voltage output end through the first hundred-second resistor R102, the first hundred-fourth resistor R104, the seventy-first capacitor C71 and the seventy-second capacitor C72, and the voltage input at the other end of the voltage output end is connected to the FB pin of the third charging chip U7A through the seventy-twelfth resistor R72 and the seventy-third resistor R73, so that the charging module 200 is controlled to be charged according to different end voltages.
Referring to fig. 1 and 3, the display module 500 includes: a ninth light emitting diode LED9, a tenth light emitting diode LED10, an eleventh light emitting diode LED11, and a twelfth light emitting diode LED 12; the anode of the ninth light emitting diode LED is connected with the eighth pin of the processor U10, and the cathode of the ninth light emitting diode LED is grounded; the positive electrode of the tenth light emitting diode LED10 is connected with the tenth pin of the processor U10, and the negative electrode of the tenth light emitting diode LED10 is grounded; the anode of the eleventh light emitting diode LED11 is connected with the fifth pin of the processor U10, and the cathode of the eleventh light emitting diode LED11 is grounded; the anode of the twelfth LED12 is connected to the ninth pin of the processor U10, and the cathode is grounded. When the detection module 300 detects that the temperature of the battery body 100 is too high, the twelfth light emitting diode LED12 is turned on, and if the temperature of the battery body 100 is too low, the ninth light emitting diode LED9, the tenth light emitting diode LED10, the eleventh light emitting diode LED11 and the twelfth light emitting diode LED12 are simultaneously turned on, and the current temperature state of the battery body 100 is displayed through the light emitting diodes, so that a user can make different repair measures according to different temperatures.
The following are shown: if the control module is set to cut off voltage at 14.5, the temperature compensation is different for batteries with different capacities. For a 12V cell, the temperature compensation is: (-3.3mV/° C/cell) (6 cells) ═ 19.8mV/° C. For a 6V cell, the temperature compensation is: (-3.3mV/° C/cell) (3 cells) ═ 9.9mV/° C, assuming a standard temperature of 25 ℃,
the voltage compensation at 10 ℃ is: (10 ℃ -25 ℃) x (-19.8mV/° c) 297mV compensation
The cut-off voltage is then: 14.5V +297mV 14.797V
If the voltage compensation at 35 ℃ is: (35 ℃ -25 ℃) x (-19.8mV/° c) -198mV compensation
The cut-off voltage is: 14.302V to 14.5V-198mV, the voltage compensation is implemented by the output voltage of the charging module 200 controlled by the single-chip microcomputer U10 without any interaction or indication from the user, thereby ensuring that the battery body 100 is in an optimal state, and improving reliability, durability and good user experience of the battery body 100.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (8)
1. An intelligent battery charging system, comprising: a battery body;
the charging module is used for charging the battery body;
the detection module is used for detecting the temperature of the battery body and forming a detection signal;
and the main control module is used for adjusting the ending voltage of the charging module according to the temperature in the detection signal.
2. The intelligent battery charging system of claim 1, further comprising: and the display module is used for displaying the temperature state of the battery body.
3. The intelligent battery charging system according to any one of claims 1 to 2, further comprising: a protection module;
the protection module is electrically connected between the charging module and the battery body to isolate high voltage and high current and prevent reverse connection of the battery.
4. The intelligent battery charging system of any one of claims 1 to 2, wherein the charging module comprises: the alternating current-to-direct current unit is used for converting alternating current into a direct current power supply;
and the charging unit is used for inputting a direct current power supply to the battery body.
5. The intelligent battery charging system of any one of claims 1 to 2, wherein the master control module comprises:
a calculating unit for calculating a compensation voltage according to the temperature in the detection signal;
and the control unit is used for controlling the battery body to be charged according to the end voltage formed by the supplement voltage and the preset cut-off voltage.
6. The intelligent battery charging system of claim 5, wherein the detection module comprises: a thermistor, a sixty-eight capacitor, and a sixty-nine capacitor;
one end of the thermistor is connected with the computing unit, and the other end of the thermistor is grounded;
one end of the sixty-eight capacitor is connected between the thermistor and the computing unit, and the other end of the sixty-eight capacitor is grounded;
one end of the sixty-nine capacitor is connected with the computing unit, and the other end of the sixty-nine capacitor is grounded.
7. The intelligent battery charging system of claim 4, wherein the charging unit comprises:
the charging circuit comprises a plurality of charging chips and a first peripheral circuit, wherein three charging chips are arranged and respectively defined as a first charging chip, a second charging chip and a third charging chip;
the model of the first charging chip is CSD87333Q3D, the model of the second charging chip is TS321, and the model of the third charging chip is TPS 40303.
8. The intelligent battery charging system of claim 5, wherein the computing unit and the control unit are integrated on a processor, and the processor is HT50F 70.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412685.1U CN212012170U (en) | 2020-03-26 | 2020-03-26 | Intelligent battery charging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412685.1U CN212012170U (en) | 2020-03-26 | 2020-03-26 | Intelligent battery charging system |
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| CN212012170U true CN212012170U (en) | 2020-11-24 |
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| CN202020412685.1U Active CN212012170U (en) | 2020-03-26 | 2020-03-26 | Intelligent battery charging system |
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Effective date of registration: 20201230 Address after: 543000 attached building, Yuegui building, the junction of the two provinces at the east exit of Wuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Yashi power (Guangxi) Co.,Ltd. Address before: 518116 buildings 12, 13, 14 and 15, No.1, Longhe Industrial Zone, Yangtian Road, Longgang community, Longgang street, Longgang District, Shenzhen City, Guangdong Province Patentee before: AIRLINE MECHANICAL Co.,Ltd. |