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CN-224218129-U - Power supply switching charging circuit of main power supply and auxiliary power supply

CN224218129UCN 224218129 UCN224218129 UCN 224218129UCN-224218129-U

Abstract

The utility model discloses a power supply switching charging circuit of a main power supply and an auxiliary power supply, which comprises an electric storage main body, wherein a control module is arranged in the electric storage main body, a switching module, the main power supply, the auxiliary power supply and a power supply management module are arranged in the electric storage main body, the output end of the power supply management module is electrically connected with the input end of the switching module, the two output ends of the switching module are respectively electrically connected with the main power supply and the auxiliary power supply, the main power supply is electrically connected with a sampling module I, the output end of the sampling module I is electrically connected with the control module, the sampling module I can collect the temperature of the main power supply and transmit a temperature signal of the main power supply to the control module, the switching module can be used for controlling the power supply management module to be connected with and disconnected from the main power supply and the auxiliary power supply, and the auxiliary power supply is charged for the main power supply when the temperature of the main power supply is increased.

Inventors

  • ZHAO JUNHAO

Assignees

  • 广东电邦新能源科技有限公司

Dates

Publication Date
20260508
Application Date
20250408

Claims (6)

  1. 1. The power supply switching charging circuit of the main power supply (4) and the auxiliary power supply (5) is characterized by comprising an electric storage main body (1), wherein a control module (2) is arranged in the electric storage main body (1), a switching module (3), the main power supply (4), the auxiliary power supply (5) and a power supply management module (6) are arranged between the main power supply (4) and the auxiliary power supply (5), an input end of the power supply management module (6) is connected with an external circuit, an output end of the power supply management module (6) is electrically connected with an input end of the switching module (3), two output ends of the switching module (3) are respectively electrically connected with the main power supply (4) and the auxiliary power supply (5), the first output end of the sampling module (8) is electrically connected with the control module (2), the second output end of the sampling module (9) is electrically connected with the control module (2), and the output end of the second sampling module (9) is electrically connected with the output end of the control module (2); The first sampling module (8) can collect the temperature of the main power supply (4) and transmit the temperature signal of the main power supply (4) to the control module (2), the second sampling module (9) can collect the temperature of the auxiliary power supply (5) and transmit the temperature signal of the auxiliary power supply (5) to the control module (2), the control module (2) can be used for controlling the working state of the switching module (3), the working state of the switching module (3) can be controlled, and the switching module (3) can be used for controlling the connection and disconnection of the power management module (6) and the main power supply (4) and the auxiliary power supply (5).
  2. 2. The power switching charging circuit of a main power supply (4) and an auxiliary power supply (5) according to claim 1, wherein the switching module (3) comprises a first switching module (31) and a second switching module (32), an input end of the first switching module (31) is electrically connected with the power management switching module (3), an output end of the first switching module (31) is electrically connected with an input end of the main power supply (4), the first switching module (31) is electrically connected with a first output end of the control module (2), an input end of the second switching module (32) is electrically connected with the power management switching module (3), an output end of the second switching module (32) is electrically connected with an input end of the auxiliary power supply (5), and the second switching module (32) is electrically connected with a first output end of the control module (2).
  3. 3. The power switching charging circuit of a main power supply (4) and an auxiliary power supply (5) according to claim 2, wherein the control module (2) comprises a first comparison module, a second comparison module, a logic operation module and an MCU microprocessor, an input end of the first comparison module is electrically connected with the first sampling module (8), an output end of the first comparison module is electrically connected with the logic operation module, the logic operation module is electrically connected with the MCU microprocessor, the MCU microprocessor is electrically connected with the first switching module (31), an input end of the second comparison module is electrically connected with the second sampling module (9), an output end of the second comparison module is connected with the logic operation module, the logic operation module is electrically connected with the MCU microprocessor, and the MCU microprocessor is electrically connected with the second switching module (32).
  4. 4. A power switching charging circuit for a main power supply (4) and an auxiliary power supply (5) according to claim 3, wherein the MCU microprocessor is electrically connected with the power management module (6), the MCU microprocessor is electrically connected with a warning module (10), and the warning module (10) comprises a buzzer with a warning light.
  5. 5. A power switching charging circuit of a main power supply (4) and an auxiliary power supply (5) according to claim 3, wherein the first comparison module comprises a first comparator and a first memory, the first memory is electrically connected with the first comparator, the first sampling module (8) comprises a first detection film, the first detection film is arranged on the main power supply (4), the second comparison module comprises a second comparator and a second memory, the second memory is electrically connected with the second comparator, and the second sampling module (9) comprises a second detection film, and the second detection film is arranged on the auxiliary power supply (5).
  6. 6. A power switching charging circuit of a main power supply (4) and an auxiliary power supply (5) according to claim 4, wherein the warning lamp ring array is on the surface of the electricity storage main body (1).

Description

Power supply switching charging circuit of main power supply and auxiliary power supply Technical Field The utility model belongs to the technical field of battery power supplies, and particularly relates to a power supply switching charging circuit of a main power supply and an auxiliary power supply. Background Rechargeable lithium battery products on the market are often provided with a standby alkaline battery power supply system, which can be replaced by standby alkaline to continue power supply when the lithium battery is in low power, so that the capacity of the power supply is increased. For example, patent document CN108215906B discloses a mobile charger control system, that is, an auxiliary power supply is adopted to achieve the purpose of enhancing the battery capacity, and the main power supply and the auxiliary power supply need to be charged after being used, but in the prior art, the main power supply is charged first, and then the auxiliary power supply is charged after the main power supply is charged, and in a high-temperature environment in summer, the main power supply is continuously charged, so that the main power supply is excessively high in temperature to generate danger or the service life of the main power supply is reduced. Disclosure of utility model The utility model aims to provide a power supply switching charging circuit of a main power supply and an auxiliary power supply, so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The power supply switching charging circuit comprises an electric storage main body, wherein a control module, a switching module, a main power supply, an auxiliary power supply and a power supply management module are arranged in the electric storage main body, a heat insulation plate is arranged between the main power supply and the auxiliary power supply, the input end of the power supply management module is connected with an external circuit, the output end of the power supply management module is electrically connected with the input end of the switching module, the two output ends of the switching module are respectively electrically connected with the main power supply and the auxiliary power supply, the main power supply is electrically connected with a first sampling module, the output end of the first sampling module is electrically connected with the control module, the auxiliary power supply is electrically connected with a second sampling module, the output end of the second sampling module is electrically connected with the control module, and the output end of the control module is electrically connected with the input end of the switching module. The system comprises a first sampling module, a second sampling module, a control module and a switching module, wherein the first sampling module can collect the temperature of a main power supply and transmit a temperature signal of the main power supply to the control module, the second sampling module can collect the temperature of an auxiliary power supply and transmit a temperature signal of the auxiliary power supply to the control module, the control module can be used for controlling the working state of the switching module, the working state of the switching module can be controlled, and the switching module can be used for controlling the connection and disconnection of the power supply management module, the main power supply and the auxiliary power supply. According to a further technical scheme, the switching module comprises a first switching module and a second switching module, wherein the input end of the first switching module is electrically connected with the power management switching module, the output end of the first switching module is electrically connected with the input end of the main power supply, the first switching module is electrically connected with the first output end of the control module, the input end of the second switching module is electrically connected with the power management switching module, the output end of the second switching module is electrically connected with the input end of the auxiliary power supply, and the second switching module is electrically connected with the first output end of the control module. Further technical scheme, the control module includes contrast module one, contrast module two, logic operation module and MCU microprocessor, contrast module one's input with sampling module one electricity is connected, contrast module one's output with logic operation module is connected, logic operation module with MCU microprocessor electricity is connected, MCU microprocessor with switch module one electricity is connected, contrast module two's input with sampling module two electricity is connected, contrast module two's output with logic operation module is connected, logic operation module with MCU microprocess