JP3235290U - Multi-docking charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connection expansion type charging unit in which the number of rechargeable batteries is not limited, and to supply power from a single outlet with a single power cord regardless of the number of rechargeable batteries. Provide a docking charger. A multi-docking charger has a charge control circuit for charging a predetermined number of batteries 4, a battery mounting structure 2, and a function of identifying whether or not a battery is mounted, and also has a common power transmission port. , And the power receiving port 5 is provided, power is supplied to the power receiving port of any charging unit 1 directly from the outlet or by a power cord, and the power receiving port of another charging unit is connected to the power transmission port of the charging unit. By connecting the power transmission port of the charging unit to the power receiving port of different charging units, the power supply of commercial power is supplied to all of the connected charging units, and charging is possible from one outlet to one power cable. [Selection diagram] Fig. 1

Description

The charging unit for charging the battery built in the portable terminal receives commercial power from the outlet with the power cord and performs the required charging with the battery charge control circuit, battery mounting structure, charging power supply, etc. The number of batteries that can be charged by the unit is predetermined for each charging unit.

If it is possible to charge more batteries with a charging unit that has a predetermined number of rechargeable batteries, it is necessary to use multiple charging units. For example, in the case of a charging unit that can charge 6 batteries. The number of rechargeable batteries is expanded to 6 x n by adding n batteries, but n power cords are required at the same time. If you want to reduce the number of power cords, you need to increase the number of rechargeable batteries in the charging unit, but as you increase the number of rechargeable batteries, there is a high possibility that there will be a surplus for the number of batteries that are really needed. ..

The problem that the device tries to solve

By reducing the number of rechargeable batteries in the charging unit, a charging configuration that does not easily generate a surplus with respect to the number of batteries required for charging becomes possible. For example, if a configuration is used to charge one battery, the surplus can be set to 0. Although it is possible, in order to be able to charge a plurality of batteries, it is necessary to use a plurality of charging units, and there is a problem that the number of power cords increases according to the number of charging units. Since the power cord is generally as long as about 3 m in consideration of the distance from the outlet, many power cords are not aesthetically pleasing and complicated, and a large number of outlets are required.

Means to solve problems

It has a charge control circuit for charging a predetermined number of batteries, a battery mounting structure, and a function to identify whether or not a battery is mounted, and also has a common power transmission port and power receiving port, and can be used for any charging unit. Power is supplied to the power receiving port directly from the outlet or by a power cord, and the power receiving port of another charging unit is connected to the power transmitting port of the charging unit. By connecting, power is supplied to all of the connected charging units, and a charging block can be configured by connecting multiple charging units, and a charging group can be further connected to form a charging group. Charging is possible from one outlet with one power cable

Effect of the device

The number of rechargeable batteries in the charging unit can be charged to facilitate optimization in terms of the number of batteries that need to be charged, the charge control circuit, the battery mounting structure, the cost and size of charging components such as the charging power supply. It is a connected expansion type charging unit that does not limit the number of batteries, and even if the number of rechargeable batteries increases, power can be supplied from a single outlet with a single power cord.

FIG. 1 is a configuration conceptual diagram showing a state in which the battery 4 is mounted on the battery plate of the charging unit composed of the charging unit 1, the battery mounting structure 2, and the charging power supply 3, and the number of batteries is one. Since the shape, size, battery connection terminal, charging voltage, and charging current are different for each battery to be charged, the battery mounting structure 2, the battery connection terminal, and the charging power supply 3 are adapted for each battery. Each charging unit is connected by a power receiving port 5 and a power transmission port (the power transmission port is shown in FIG. 5). FIG. 2 shows an example in which three charging units shown in FIG. 1 are connected to form a charging block. The power cord 7 is connected to the power receiving port 5 of the first charging unit, the power transmission port is connected to the power receiving port of the second charging unit, and the transmitting port of the second charging unit is connected to the power receiving port of the third charging unit. By connecting, AC100V is powered by one power cord from one outlet.

FIG. 3 shows an example in which a charging block composed of three charging units is connected to a charging block arranged at a position away from the block by a connection cable 8 to form a charging group, but a single power cable is used. AC100V is supplied from one outlet. FIG. 4 is a conceptual diagram of a connection cable 8 and a power cord 7 when a group is formed by a charging unit, and has basically the same configuration. FIG. 5 shows a conceptual diagram of the configuration of the charge control circuit in the charging unit 1. The charging current charged in the charging processing cycle 9 is supplied from the battery connection terminal 10 to the + and G terminals of the battery, and the temperature state of the battery is changed. Shown on the T terminal. Reference numeral 16 indicates a sensor for identifying whether or not the battery is mounted in the battery mounting structure. If it is identified as mounted, the charge status of the battery is checked at predetermined intervals, and if it is not mounted, the battery charge status is checked. It is used as an auxiliary function for charging, such as not checking. The sensor may be either a non-contact type such as a photo sensor or a contact type such as a micro switch.

A charging unit corresponding to the charging of one battery based on the present invention was prototyped with the configuration shown in FIG. 1, but the battery is a lithium ion battery of H: 60 mm, W: 35 mm, D: 50 mm used in medical equipment. The charging power supply is H: 35 mm, W: 100 mm, D: 35 mm, and the capacity is 26 V. As an AC adapter of 4 A, consideration is given to the compatibility with changes in the standard depending on the battery. The power receiving port and power transmission port are composed of a general plug and outlet structure, and a neodymium magnet is attached as a connecting fixture to strengthen the connecting and fixing of the charging unit. In this way, the number of rechargeable batteries in the charging unit can be easily optimized in terms of the number of batteries that need to be charged, the battery charge control circuit, the battery mounting structure, the cost and size of charging components such as the charging power supply. Therefore, it is a connected expansion type charging unit that does not limit the number of rechargeable batteries, and even if the number of rechargeable batteries increases, power can be supplied from a single outlet with a single power cord. A non-contact photo sensor is used as a sensor to identify whether or not the battery is mounted in the battery mounting structure, and when a new battery is mounted, charging starts immediately and charging is already completed. The state of charge of the installed battery is monitored every 3 hours, and if the charge is attenuated, it is recharged. It should be noted that the materials, functions, structures and dimensions shown in the examples can be changed or modified without departing from the spirit of the present invention.

Constructual diagram of the charging unit based on the present invention Conceptual diagram showing the state where three charging units are directly connected Conceptual diagram showing a state where three charging units are directly connected and one is connected with a connection cable. Conceptual diagram of power cord and connection cable Construct diagram of charge control circuit

1. 1. Charging unit 2. Battery mounting structure 3. Charging power supply 4. Battery 5. Power receiving port 6. Power transmission port 7. Power cord 8. Connection cable 9. Charge processing circuit 10. Battery connection terminal 11. Circuit power supply 12. AC100V input 13. DC output 14. Fuse 15. Connecting fixture 16. Battery-equipped identification sensor

Claims (2)

For a charging unit with a connected expansion configuration that does not limit the number of batteries that can be charged, it has a charge control circuit for charging a predetermined number of batteries, a battery mounting structure, and a function to identify whether or not a battery is mounted. At the same time, it is equipped with a common power transmission port and power reception port, and power is supplied to the power reception port of any charging unit directly from the outlet or by a power cord, and the power reception port of another charging unit is connected to the power transmission port of the charging unit. By connecting the power transmission ports of the charging units to the power receiving ports of different charging units in sequence, commercial power is supplied to all of the connected charging units, and a charging block is configured by connecting multiple charging units. A multi-docking charger that can be connected to a charging block to form a charging group, and can be charged from one outlet with a single power cable. The multi-docking charger according to claim 1, further comprising a sensor of a type that contacts or does not contact the battery as a function of identifying whether or not the battery is mounted.

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