CN212969090U - Control system capable of prolonging service life of rechargeable battery or charging and discharging total electric quantity - Google Patents
Control system capable of prolonging service life of rechargeable battery or charging and discharging total electric quantity Download PDFInfo
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- CN212969090U CN212969090U CN202021434172.7U CN202021434172U CN212969090U CN 212969090 U CN212969090 U CN 212969090U CN 202021434172 U CN202021434172 U CN 202021434172U CN 212969090 U CN212969090 U CN 212969090U
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Abstract
The utility model discloses a control system which can prolong the service life of a rechargeable battery or increase the total charge and discharge electric quantity, comprising a central processing unit which is used for controlling the work of the whole circuit; the switch control unit is used for detecting the voltage of the battery and controlling the charging and discharging of the battery; a display unit for displaying a charging state and a charging mode; a selection button for adjusting the battery charge-discharge mode for a user; a battery unit for supplying electric energy; the switch control unit, the display unit and the selection button are respectively electrically connected with the central processing unit; the battery unit is electrically connected with the central processing unit, the switch control unit and the display unit respectively. The control system can automatically detect the voltage and the current of the battery in the charging and discharging process of the rechargeable battery so as to judge whether the battery is in the optimal charging or discharging state; the central processing unit can control the charging and discharging depth of the battery according to the charging and discharging state of the battery, thereby prolonging the service life of the battery or increasing the total charging and discharging electric quantity of the battery.
Description
Technical Field
The utility model relates to a can increase rechargeable battery life-span or charge-discharge total electric quantity's control system.
Background
Rechargeable batteries are used in many electrical appliances, such as vacuum cleaners, etc., and the motors of the vacuum cleaners are powered by the rechargeable batteries. The rechargeable battery needs to be charged firstly when in use and then discharges and supplies power to an electric load, if the rechargeable battery is charged too fully in the charging process, the service life of the battery can be influenced, or the total electric quantity of charging and discharging is reduced, the service life of the battery can be influenced by over-discharging of the rechargeable battery, and the service life of the battery can be reduced by over-low electric quantity and constant discharging of the rechargeable battery when in use. In addition, the common rechargeable battery only has one charging mode, namely a deep charging and discharging mode, and in the deep charging and discharging mode, the rechargeable battery can be charged all the time after being connected with an external power supply until the rechargeable battery is fully charged, and the rechargeable battery can be discharged all the time during discharging, so that the rechargeable battery has few choices for users and is inconvenient to use. The total charge of the battery is the sum of the charge and discharge of the battery over its lifetime.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a control system which can prolong the service life of a rechargeable battery or charge and discharge total electric quantity, and can automatically detect the voltage and the current of the battery in the charging and discharging process of the rechargeable battery so as to judge whether the battery is in the best charging or discharging state; the central processing unit can control the charging and discharging depth of the battery according to the charging and discharging state of the battery, so that the service life of the battery is prolonged, or the total charging and discharging electric quantity of the battery is increased, and a user can select a battery charging and discharging mode as required.
In order to achieve the above object, the utility model adopts the following technical scheme:
a control system capable of increasing the service life of a rechargeable battery or the total charge and discharge capacity of the rechargeable battery comprises a central processing unit for controlling the operation of the whole circuit; the switch control unit is used for detecting the voltage of the battery and controlling the charging and discharging of the battery; a display unit for displaying a charging state and a charging mode; a selection button for adjusting the battery charge-discharge mode for a user; a battery unit for supplying electric energy; the switch control unit, the display unit and the selection button are respectively electrically connected with the central processing unit; the battery unit is electrically connected with the central processing unit, the switch control unit and the display unit respectively.
Preferably, the switch control unit includes a first resistor, a second resistor, a third resistor and an MOS transistor, a first end of the first resistor is electrically connected to the positive electrode of the battery unit, a second end of the first resistor is electrically connected to a first end of the second resistor and the central processing unit, a second end of the second resistor is electrically connected to the central processing unit, a first end of the third resistor is electrically connected to the negative electrode of the battery unit, a second end of the third resistor is electrically connected to the central processing unit, a first end of the MOS transistor is electrically connected to the central processing unit, and a second end of the MOS transistor is electrically connected to a second end of the third resistor.
Compared with the prior art, the utility model discloses control system that can increase rechargeable battery life-span or charge-discharge total electric quantity's beneficial effect lies in: by arranging the central processing unit, the detecting unit and the switch control unit, the charging and discharging voltage of the battery can be automatically detected in the charging and discharging process of the battery, so that whether the battery is in the optimal charging and discharging state is judged; the central processing unit can control the charging and discharging depth of the battery according to the charging and discharging state of the battery, so that the service life of the battery is prolonged, or the total electric quantity of charging and discharging of the battery is increased, a user can select a battery charging and discharging mode according to needs, convenience is improved, in a protective discharging mode, if the electric quantity is needed to be used in the last working process, the deep discharging mode can be switched, the battery releases the reserved electric quantity to complete the working, and therefore the battery protection is facilitated, and the working is not influenced.
Drawings
Fig. 1 is the circuit schematic diagram of a control system capable of prolonging the service life of a rechargeable battery or charging and discharging total electric quantity.
The respective symbols in the figure are as follows: 1. a battery cell; 2. a central processing unit; 3. a display unit; 4. a selection button; 5. an MOS tube; r1, a first resistor; r2, a second resistor; r3 and a third resistor.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Referring to fig. 1, the present invention provides a control system capable of increasing the service life of a rechargeable battery or the total charge/discharge capacity, including a central processing unit 2 for controlling the operation of the whole circuit; the switch control unit is used for detecting the voltage of the battery and controlling the charging and discharging of the battery; a display unit 3 for displaying a charging state and a charging mode; a selection button 4 for adjusting the battery charge-discharge mode for the user; a battery unit 1 for supplying electric power; the switch control unit, the display unit 3 and the selection button 4 are respectively electrically connected with the central processing unit 2; the battery unit is electrically connected with the central processing unit 2, the switch control unit and the display unit 3 respectively.
Preferably, the switch control unit includes a first resistor R1, a second resistor R2, a third resistor R3, and a MOS transistor 5(MOS transistor MOS), a first end of the first resistor R1 is electrically connected to the positive electrode of the battery unit 1, a second end of the first resistor R1 is electrically connected to the first end of the second resistor R2 and the central processing unit 2, a second end of the second resistor R2 is electrically connected to the central processing unit 2, a first end of the third resistor R3 is electrically connected to the negative electrode of the battery unit 1, a second end of the third resistor R3 is electrically connected to the central processing unit 2, a first end of the MOS transistor 5 is electrically connected to the central processing unit 2, and a second end of the MOS transistor 5 is electrically connected to the second end of the third resistor R3.
The battery charge-discharge mode generally includes 2 types, that is, a deep charge-discharge mode in which the rechargeable battery can be fully charged and the discharge voltage is high, and a protective charge-discharge mode in which the rechargeable battery is not fully charged, and generally can be charged only to about 80%, and the discharge voltage is low. In the protective charging and discharging mode, the service life of the battery is longer. When the user first presses the selection button 4 to select the desired battery operating mode, the cpu 2 can detect the voltages of the first resistor R1 and the second resistor R2 and the current of the third resistor R3, and can know the total voltage and the total current of the battery. During charging, if the total voltage and the total current of the battery are detected to be too large, a protective charging mode is generally selected, in which the central processing unit 2 controls the MOS transistor 5 to be turned off to stop charging when the battery voltage reaches 80% of the full load, so that the battery cannot be fully charged, the battery is protected, and the total charging capacity of the battery is increased. If the deep charging mode is selected, the central processing unit 2 controls the MOS transistor 5 to be switched on, and the third resistor R3 has current to output +, so that the rechargeable battery can be fully charged. When discharging, the protective discharging mode is selected, the voltage of the battery is low to a certain degree, for example, the voltage is low to 20% of the full charge, the MOS tube 5 is closed, the discharging is stopped, the battery can be protected, and the total discharging charge of the battery is increased. On the contrary, if the battery needs to continue to discharge, the deep charge-discharge mode is switched to, in the deep charge-discharge mode, the MOS tube 5 is opened, the battery can discharge the remaining 20% of electric quantity all the time, and finally the MOS tube 5 is closed to stop discharging.
In summary, the control system provided by the utility model can automatically detect the voltage and current of the battery in the charging and discharging process of the rechargeable battery, so as to determine whether the battery is in the best charging or discharging state; the central processing unit can control the charging and discharging depth of the battery according to the charging and discharging state of the battery, thereby prolonging the service life of the battery or increasing the total charging and discharging electric quantity of the battery. Through the experiment statistics, adopt the utility model provides a control system can make battery cycle life prolong to charge-discharge 2000 times from charge-discharge 300 times, and battery charge-discharge's total electric quantity has also increased. In addition, a selection opportunity of a battery charging and discharging mode is provided for a user, the arc can select a deep charging and discharging mode or a protective charging and discharging mode according to conditions, in the protective discharging mode, if the electric quantity is insufficient in the protective discharging mode at the end of the work of the user, the deep discharging mode can be switched to through the selection button 4, the battery can release the reserved electric quantity to complete the work, and therefore the battery can be protected and normal work is not influenced.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (2)
1. A control system capable of increasing the life or total charge/discharge capacity of a rechargeable battery, comprising: a central processing unit for controlling the whole circuit to work; the switch control unit is used for detecting the voltage of the battery and controlling the charging and discharging of the battery; a display unit for displaying a charging state and a charging mode; a selection button for adjusting the battery charge-discharge mode for a user; a battery unit for supplying electric energy; the switch control unit, the display unit and the selection button are respectively electrically connected with the central processing unit; the battery unit is electrically connected with the central processing unit, the switch control unit and the display unit respectively.
2. The system of claim 1, wherein the switch control unit comprises a first resistor, a second resistor, a third resistor, and a MOS transistor, a first end of the first resistor is electrically connected to a positive terminal of the battery unit, a second end of the first resistor is electrically connected to a first end of the second resistor and a CPU, a second end of the second resistor is electrically connected to the CPU, a first end of the third resistor is electrically connected to a negative terminal of the battery unit, a second end of the third resistor is electrically connected to the CPU, a first end of the MOS transistor is electrically connected to the CPU, and a second end of the MOS transistor is electrically connected to a second end of the third resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021434172.7U CN212969090U (en) | 2020-07-20 | 2020-07-20 | Control system capable of prolonging service life of rechargeable battery or charging and discharging total electric quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021434172.7U CN212969090U (en) | 2020-07-20 | 2020-07-20 | Control system capable of prolonging service life of rechargeable battery or charging and discharging total electric quantity |
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| Publication Number | Publication Date |
|---|---|
| CN212969090U true CN212969090U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021434172.7U Active CN212969090U (en) | 2020-07-20 | 2020-07-20 | Control system capable of prolonging service life of rechargeable battery or charging and discharging total electric quantity |
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| Country | Link |
|---|---|
| CN (1) | CN212969090U (en) |
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- 2020-07-20 CN CN202021434172.7U patent/CN212969090U/en active Active
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