CN218161869U - Deep fusion eight-path charging and discharging simultaneous switching circuit - Google Patents

Deep fusion eight-path charging and discharging simultaneous switching circuit Download PDF

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Publication number
CN218161869U
CN218161869U CN202222195621.2U CN202222195621U CN218161869U CN 218161869 U CN218161869 U CN 218161869U CN 202222195621 U CN202222195621 U CN 202222195621U CN 218161869 U CN218161869 U CN 218161869U
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circuit
terminals
battery charging
charging
battery
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严可逸
王宇
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Changzhou Electronic Research Instituteco ltd
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Changzhou Electronic Research Instituteco ltd
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Abstract

The utility model relates to a deep fusion eight-path charging and discharging simultaneous switching circuit, which comprises a power supply circuit, a voltage reduction circuit, a battery charging circuit and an eight-path relay driving circuit which are connected in sequence; the eight-path relay driving circuit comprises a group of driving output terminals, a group of relay control terminals and eight groups of battery charging terminals, the eight groups of battery charging terminals are respectively connected with the battery charging circuit, the driving output terminals and the relay control terminals are respectively connected with the eight groups of battery charging terminals, and when the external battery is not electrified, the relay control terminals are switched to enable the eight groups of battery charging terminals to respectively perform charging operation. This degree of depth fuses eight way charges and discharges and switch circuit simultaneously makes circuit breaker drive module's consumption obtain very big reduction, has practiced thrift the energy, and the more convenience of module power supply, the outside only needs 6V's lithium cell package just can supply power and drive, does not need very long power cord to receive the module on, it is more convenient to install.

Description

Deep fusion eight-path charging and discharging simultaneous switching circuit
Technical Field
The utility model belongs to the technical field of the electric wire netting equipment, especially, relate to a degree of depth fuses eight way charges and discharges and switches circuit simultaneously.
Background
According to the requirement of distribution network operation service management, the equipment selection standard needs to be improved, the quality control system is sound, the durability of the distribution network equipment is improved, the core of the equipment is highlighted, and the standardization work of the distribution equipment is comprehensively promoted according to the principles of safety, reliability, firmness, durability, unified standard, universal interchange, energy conservation and consumption reduction.
The existing power grid equipment is powered by 220V alternating current or 24V direct current, and needs to be locally powered according to actual conditions to obtain the required power supply voltage of the equipment through conversion.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a degree of depth fuses eight way charge-discharge and switches circuit simultaneously need not look for power supply according to local conditions, only needs just can supply power and drive circuit breaker on the 12kV outdoor post through outside 6V battery package, and the power supply is more portable, and it is more convenient to install, and this utility model has reduced drive module's consumption, has practiced thrift the energy.
The utility model discloses a realize through following technical scheme:
a deep fusion eight-path charging and discharging simultaneous switching circuit comprises a power supply circuit, a voltage reduction circuit, a battery charging circuit and an eight-path relay driving circuit;
the power supply circuit is used for providing voltage input;
the voltage reduction circuit is connected with the power supply circuit and is used for reducing the input voltage;
the battery charging circuit is connected with the voltage reduction circuit and the external battery and is used for charging the external battery;
the eight-path relay driving circuit is connected with the battery charging circuit and comprises a group of driving output terminals, a group of relay control terminals and eight groups of battery charging terminals, the eight groups of battery charging terminals are respectively connected with the battery charging circuit, and the driving output terminals and the relay control terminals are respectively connected with the eight groups of battery charging terminals and used for switching the relay control terminals to enable the eight groups of battery charging terminals to respectively perform charging operation when the external battery is not electrified.
In a preferred embodiment of the present invention, the power supply circuit provides a 6V input voltage.
Correspondingly, the voltage reduction circuit converts the 6V input voltage into 3.6V voltage output.
Preferably, HY2112-HB is adopted as the charging management chip of the battery charging circuit.
The utility model has the advantages that: this degree of depth fuses eight way charges and discharges and switch circuit simultaneously makes circuit breaker drive module's consumption obtain very big reduction, has practiced thrift the energy, and the more convenience of module power supply, the outside only needs 6V's lithium cell package just can supply power and drive, does not need very long power cord to receive the module on, it is more convenient to install.
Drawings
Fig. 1 is a system block diagram of the deep fusion eight-path charging and discharging simultaneous switching circuit of the present invention;
FIG. 2 is a schematic circuit diagram of the deep fusion eight-path charge-discharge simultaneous switching circuit of the present invention;
fig. 3 is a schematic circuit diagram of the voltage step-down circuit of the present invention;
fig. 4 is a schematic circuit diagram of the battery charging circuit of the present invention;
fig. 5 is a schematic circuit diagram of the eight-way relay driving circuit of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
The deep fusion eight-path charging and discharging simultaneous switching circuit shown in fig. 1 and 2 comprises a power supply circuit, a voltage reduction circuit, a battery charging circuit and eight-path relay driving circuits which are sequentially connected.
Specifically, the power supply circuit adopts a lithium battery for power supply, and the input voltage is 6V.
In conjunction with the step-down circuit shown in fig. 3, the input voltage 6V is stepped down to 3.6V by the DC-DC power chip of U1, where R1 and R2 are the voltage-regulating resistors of the power chip, and the output voltage can reach a voltage value of 3.6V according to VO = Vref (1 + R1/R2).
In combination with the battery charging circuit shown in fig. 4, the utility model discloses a HY2112-HB is used as a battery charging management chip for overcurrent and overvoltage protection of the lithium battery. Wherein R4 has the functions of current limiting, VDD stabilizing and ESD strengthening; the function of R3 is current limiting; in a battery in a normal operating state, when the battery voltage exceeds the overcharge detection voltage and the duration of the state exceeds the overcharge detection delay time or more during charging, HY2112 turns off a MOSFET (OC pin) for charge control to stop charging, and the state is called an "overcharge state"; when the battery in the normal operation state is discharged, when the battery voltage drops below the overdischarge detection voltage and the duration of the state exceeds the overdischarge detection delay time or more, the HY 2112-series IC turns off the MOSFET (OD pin) for discharge control to stop discharging, which is called the "overdischarge state", and the circuit can play a good role in charge protection.
The eight-path relay driving circuit shown in fig. 5 includes a set of driving output terminals, a set of relay control terminals, and eight sets of battery charging terminals, where the eight sets of battery charging terminals are connected to the battery charging circuit, respectively, and the driving output terminals and the relay control terminals are connected to the eight sets of battery charging terminals, respectively. The contact of the relay is sucked to 3,4 feet under the default condition of the eight-path relay driving circuit, so that the external connection part battery pack of each path is ensured to be in a parallel connection state, and the battery pack of each path is charged through the battery charging circuit; when the COM interface of the 5V relay driving terminal is pulled down, the driving relay is attracted to a pin 7,8 at the moment, so that the eight groups of battery packs are connected in series, the voltage is pulled up to more than 24V, and the voltage is output through the circuit breaker driving port to drive the circuit breaker. The utility model discloses a through 6V voltage input, change into 3.6V through the step-down circuit, charge for external battery package through battery charging circuit, eight way relay drive circuit can the actuation simultaneously on battery package charging contact at this moment to real-time detection battery package voltage, when charging and accomplishing, battery charging circuit can stop charging; when the circuit breaker is driven, the eight relay driving circuits can be simultaneously attracted to the discharging contacts to form eight battery packs connected in series, so that the driving voltage of the circuit breaker is achieved, and the working voltage is provided for driving the circuit breaker.
Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still make modifications or changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.

Claims (4)

1. The utility model provides a eight way charge-discharge switching circuit simultaneously of degree of depth fusion which characterized in that: the system comprises a power supply circuit, a voltage reduction circuit, a battery charging circuit and an eight-path relay driving circuit;
the power supply circuit is used for providing voltage input;
the voltage reduction circuit is connected with the power supply circuit and is used for reducing the input voltage;
the battery charging circuit is connected with the voltage reduction circuit and the external battery and is used for charging the external battery;
the eight-path relay driving circuit is connected with the battery charging circuit and comprises a group of driving output terminals, a group of relay control terminals and eight groups of battery charging terminals, the eight groups of battery charging terminals are respectively connected with the battery charging circuit, and the driving output terminals and the relay control terminals are respectively connected with the eight groups of battery charging terminals and used for switching the relay control terminals to enable the eight groups of battery charging terminals to respectively perform charging operation when the external battery is not electrified.
2. The deep fusion eight-path charging and discharging simultaneous switching circuit according to claim 1, characterized in that: the power supply circuit provides a 6V input voltage.
3. The deep fusion eight-path charging and discharging simultaneous switching circuit according to claim 2, characterized in that: the voltage reduction circuit converts the 6V input voltage into 3.6V voltage output.
4. The deep-fusion eight-way charge-discharge simultaneous switching circuit according to claim 3, characterized in that: the charging management chip of the battery charging circuit adopts HY2112-HB.
CN202222195621.2U 2022-08-18 2022-08-18 Deep fusion eight-path charging and discharging simultaneous switching circuit Active CN218161869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222195621.2U CN218161869U (en) 2022-08-18 2022-08-18 Deep fusion eight-path charging and discharging simultaneous switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222195621.2U CN218161869U (en) 2022-08-18 2022-08-18 Deep fusion eight-path charging and discharging simultaneous switching circuit

Publications (1)

Publication Number Publication Date
CN218161869U true CN218161869U (en) 2022-12-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222195621.2U Active CN218161869U (en) 2022-08-18 2022-08-18 Deep fusion eight-path charging and discharging simultaneous switching circuit

Country Status (1)

Country Link
CN (1) CN218161869U (en)

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