TWI730802B - Control system and method of charging device - Google Patents

Abstract

A control system for a charging device. The control system includes a charging device, an energy storage device and a power line. The charging device includes a first controller, a first transceiver unit, and a first power transmission port. The energy storage device includes a second controller, a second transceiver unit, and a second power transmission port. The first controller sends the detection signal to the first transceiver unit. The first transceiver unit sends the first carrier wave including the detection signal to the second transceiver unit. The second transceiver unit transmits the detection signal to the second controller. The second controller returns the identification signal to the second transceiver unit according to the detection signal. The second transceiver unit sends a second carrier wave including the identification signal to the first transceiver unit. The first controller recognizes the compatibility between the charging device and the energy storage device according to the identification signal to generate a compatible signal.

Description

Control system and method of charging device

The present invention relates to a control system and method thereof, and more particularly to a control system and method of a charging device.

With the continuous advancement of charging technology, various devices that require power have more possible applications. Notebook computers, mobile phones, tablet computers and other devices can already provide one or more days of operation when applying the latest charging technology. When electric vehicles use the latest rechargeable batteries, they can already have enough driving distance to provide daily use.

Charging often requires charging with a charger. However, there are potential risks of overheating, damage, fire, and explosion when using the charger for charging. If the device is charged with an unsuitable charger, it will greatly increase the chance of accidents. Therefore, how to provide protection and improve reliability of the charging device is actually the focus of attention of relevant personnel in the art.

The "prior art" paragraph is only used to help understand the content of the present invention, so the contents disclosed in the "prior art" paragraph may include some conventional technologies that do not constitute the common knowledge in the technical field. The content disclosed in the "prior art" paragraph does not represent the content or the problem to be solved by one or more embodiments of the present invention, and has been known or recognized by those with ordinary knowledge in the technical field before the application of the present invention.

The invention provides a control system for a charging device, which can improve the reliability and safety of the charging device.

The present invention also provides a charging device control method and a charging method, which can improve the reliability and safety of the control system of the charging device.

The other objectives and advantages of the present invention can be further understood from the technical features disclosed in the present invention.

The control system of the charging device of the present invention includes a charging device, an energy storage device and a power line. The charging device includes a first controller, a first transceiver unit, and a first power transmission port. The first transceiver unit is electrically connected to the first controller. The first power transmission port is coupled to the first transceiver unit. The energy storage device includes a second controller, a second transceiver unit, and a second power transmission port. The second transceiver unit is electrically connected to the second controller. The second power transmission port is coupled to the second transceiver unit. The power line is electrically connected to the first power transmission port and the second power transmission port. The power line, the first power transmission port and the second power transmission port form a transmission path. The control system is configured to perform the following operations: the first controller sends a first detection signal to the first transceiver unit. The first transceiver unit sends a first carrier wave including the first detection signal to the second transceiver unit via the transmission path. The second transceiver unit transmits the first detection signal to the second controller. The second controller returns a first identification signal to the second transceiver unit according to the first detection signal. The second transceiver unit sends a second carrier wave including the first identification signal to the first transceiver unit via the transmission path. The first controller recognizes the compatibility between the charging device and the energy storage device according to the first identification signal to generate a first compatibility signal.

In an embodiment of the present invention, the aforementioned control system further performs the following operations: the second controller sends a second detection signal to the second transceiver unit. The second transceiver unit sends a third carrier including the second detection signal to the first transceiver unit via the transmission path. The first transceiver unit transmits the second detection signal to the first controller. The first controller returns a second identification signal to the first transceiver unit according to the second detection signal. And the first transceiving unit transmits a fourth carrier wave including the second identification signal to the second transceiving unit via the transmission path, and the second controller identifies the charging device and the energy storage device according to the second identification signal Compatibility between the two to generate a second compatible signal.

In an embodiment of the present invention, the above-mentioned charging device transmits an electric power to the energy storage device through the power line, and the first carrier and the second carrier are carriers loaded on the electric power.

In an embodiment of the present invention, the above-mentioned charging device further includes a first shunt and a first power regulator, and the first shunt is coupled to the first transceiver unit and the first power transmission port. Meanwhile, the first power conditioner is coupled to the first shunt, the first shunt receives the first detection signal from the first transceiver unit, and the first power conditioner transmits a power to the first shunt , The first shunt combines the power and the first detection signal to generate the first carrier.

In an embodiment of the present invention, the above-mentioned energy storage device further includes a second shunt and a second power regulator, and the second shunt is coupled to the second power transmission port and the second transceiver unit Between, the second power regulator is coupled to the second shunt, the second shunt receives the first carrier, the second shunt transmits the first detection signal to the second transceiver unit, the second The shunt transmits the power to the second power regulator.

In an embodiment of the present invention, the aforementioned charging device further includes a power unit coupled to the first power regulator, and the power unit provides the power to the first power regulator.

In an embodiment of the present invention, the aforementioned energy storage device further includes a load unit, the load unit is coupled to the second power regulator, and the second power regulator transmits the power to the load unit.

The control method of the charging device of the present invention includes: providing a charging device. The charging device includes a first controller, a first transceiver unit, and a first power transmission port. The first transceiver unit is electrically connected to the first controller. The first power transmission port is coupled to the first transceiver unit. An energy storage device is provided, the energy storage device includes a second controller, a second transceiving unit, and a second power transmission port, the second transceiving unit is electrically connected to the second controller, and the second power transmission port Coupled to the second transceiver unit. A power line is provided, the power line is electrically connected to the first power transmission port and the second power transmission port, and the power line, the first power transmission port and the second power transmission port form a transmission path. The first controller sends a first detection signal to the first transceiver unit. The first transceiver unit sends a first carrier wave including the first detection signal to the second transceiver unit via the transmission path. The second transceiver unit transmits the first detection signal to the second controller. The second controller returns a first identification signal to the second transceiver unit according to the first detection signal. And the second transceiver unit sends a second carrier wave including the first identification signal to the first transceiver unit via the transmission path, and the first controller identifies the charging device and the energy storage device according to the first identification signal Compatibility between the two to generate a first compatible signal.

In an embodiment of the present invention, the control method of the above-mentioned charging device further includes: the second controller sends a second detection signal to the second transceiver unit. The second transceiver unit sends a third carrier including the second detection signal to the first transceiver unit via the transmission path. The first transceiver unit transmits the second detection signal to the first controller. The first controller returns a second identification signal to the first transceiver unit according to the second detection signal. And the first transceiving unit transmits a fourth carrier wave including the second identification signal to the second transceiving unit via the transmission path, and the second controller identifies the charging device and the energy storage device according to the second identification signal Compatibility between the two to generate a second compatible signal.

The charging method of the present invention includes: providing a charging device, the charging device includes a first controller, a first transceiver unit, a first power transmission port, the first transceiver unit is electrically connected to the first controller, the The first power transmission port is coupled to the first transceiver unit. An energy storage device is provided, the energy storage device includes a second controller, a second transceiving unit, and a second power transmission port, the second transceiving unit is electrically connected to the second controller, and the second power transmission port Coupled to the second transceiver unit. A power line is provided, the power line is electrically connected to the first power transmission port and the second power transmission port, and the power line, the first power transmission port and the second power transmission port form a transmission path. The first controller sends a first detection signal to the first transceiver unit. The first transceiver unit sends a first carrier wave including the first detection signal to the second transceiver unit via the transmission path. The second transceiver unit transmits the first detection signal to the second controller. The second controller returns a first identification signal to the second transceiver unit according to the first detection signal. The second transceiving unit transmits a second carrier wave including the first identification signal to the first transceiving unit via the transmission path, and the first controller recognizes the relationship between the charging device and the energy storage device according to the first identification signal Compatibility, and generate a first compatible signal. The charging device and the energy storage device determine whether to charge via the transmission path according to the first compatible signal.

Based on the above, the control system of the charging device provided by the present invention transmits the detection signal and the identification signal through the power line, and provides a charging device and an energy storage device without additional electrical pins and transmission lines for detection and identification. The signal transmission path between the charging devices increases the applicability (for example, downward compatibility) of the charging device, and also improves the reliability and safety of the charging device.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

The foregoing and other technical content, features, and effects of the present invention will be clearly presented in the following detailed description of a preferred embodiment with reference to the drawings. The directional terms mentioned in the following embodiments, for example: up, down, left, right, front or back, etc., are only directions for referring to the attached drawings. Therefore, the directional terms used are used to illustrate but not to limit the present invention.

Please refer to FIG. 1, which is a schematic diagram of a control system 1 of a charging device 10 according to an embodiment of the present invention. The control system 1 includes a charging device 10, an energy storage device 20 and a power line 30. The power line 30 is electrically connected to the charging device 10 and the energy storage device 20. The charging device 10 provides power to the energy storage device 20 (not shown in FIG. 1). The charging device 10 and the energy storage device 20 can be identified by mutual transmission of signals through the power line 30 to avoid various possible power transmission accidents. The specific operation details will be described in detail in FIG. 2.

In this embodiment, the energy storage device 20 takes a notebook computer as an example, and the charging device 10 is a charging power adapter (Charger Power Adapter) that provides power to the notebook computer. The charging device 10 uses a power source The cable is connected to a mains AC to charge the battery of the notebook computer (not shown). In other embodiments of the present invention, the charging device 10 may also be a device such as a mobile power supply. The present invention does not limit the type or type of the charging device 10 or the energy storage device 20, as long as it is a device that can provide power or needs power, it falls within the scope of the present invention.

Please refer to FIG. 2, which is a schematic diagram of functional blocks of the control system 1 of the charging device 10 of the embodiment shown in FIG. 1. The control system 1 of the charging device 10 includes the charging device 10, the energy storage device 20 and the power line 30. The charging device 10 includes a first controller 11, a first transceiver unit 13, and a first power transmission port 15. The first transceiver unit 13 is electrically connected to the first controller 11. The first power transmission port 15 is coupled to the first transceiver unit 13. The energy storage device 20 includes a second controller 21, a second transceiver unit 23, and a second power transmission port 25. The second transceiver unit 23 is electrically connected to the second controller 21. The second power transmission port 25 is coupled to the second transceiver unit 23. The power line 30 is electrically connected to the first power transmission port 15 and the second power transmission port 25. The power line 30, the first power transmission port 15 and the second power transmission port 25 form a transmission path T. The charging device 10 transmits an electric power E to the energy storage device 20 to provide the electric power E to the energy storage device 20.

The control system 1 is configured to perform the following operations:

(a) The first controller 11 sends a first detection signal S1 to the first transceiver unit 13.

(b) The first transceiver unit 13 transmits a first carrier W1 including the first detection signal S1 to the second transceiver unit 23 of the energy storage device 20 via the transmission path T.

(c) The second transceiver unit 23 transmits the first detection signal S1 to the second controller 21. The second controller 21 returns a first identification signal S2 to the second transceiver unit 23 according to the first detection signal S1.

(d) The second transceiver unit 23 sends a second carrier W2 including the first identification signal S2 to the first transceiver unit 13 via the transmission path T.

(e) The first controller 11 recognizes the compatibility between the charging device 10 and the energy storage device 20 according to the first identification signal S2 to generate a first compatibility signal S3.

(f) The charging device 10 and the energy storage device 20 determine whether to charge via the transmission path T according to the first compatible signal S3.

In detail, the first detection signal S1 may include, for example, an inquiry signal to inquire about the information of the energy storage device 20. The first detection signal S1 may include, for example, various possible information of the charging device 10, such as available voltage, current, frequency, power, model, etc. The first identification signal S2 may include various possible information of the energy storage device 20, such as voltage, current, frequency, power, model, etc. required for operation. The first compatible signal S3 generated by the first controller 11 of the charging device 10 may include, for example, compatible, incompatible, or partially compatible information. The charging device 10 and/or the energy storage device 20 can perform corresponding actions according to the first compatible signal S3. For example, when the first compatible signal S3 includes incompatible signal content, the charging device 10 and/or the energy storage device 20 may stop power transmission or display an error message. For example, when the first compatible signal S3 includes partially compatible signal content, the first compatible signal S3 may also include corresponding actions or warning information (such as normal operation, limited operation, or non-operation, etc.). In this way, the control system 1 first confirms the compatibility between the charging device 10 and the energy storage device 20 before deciding whether to charge, which can protect the operation of the charging device 10 and/or the energy storage device 20 , To avoid the occurrence of problems or accidents, and greatly improve the reliability and safety of the charging device 10 and/or the energy storage device 20.

Specifically, the first carrier W1 and/or the second carrier W2 are carriers loaded on the power E signal. In this embodiment, the first carrier W1 including the first detection signal S1 and the second carrier W2 including the first identification signal S2 are transmitted through the power line 30. Therefore, the control system 1 of the present invention can be applied to the hardware architecture of an existing device (such as a notebook computer or an electric locomotive, etc.), and can use the port of the existing device to transmit a signal for identification and confirmation to increase the charging device 10 The signal transmission path between the energy storage device 20 and the energy storage device 20 can easily provide power protection. The reliability of the charging device 10 is improved. There is no need to provide additional electrical pins and transmission lines for identification and confirmation.

In this embodiment, the first controller 11 and/or the second controller 21 may be implemented by components such as a processor, an electronic component, and/or a circuit, for example. The first transceiving unit 13 and/or the second transceiving unit 23 may be implemented by components such as electronic components and/or circuits, for example. The first power transmission port 15 and/or the second power transmission port 25 can be implemented by any possible electrical connection ports.

In detail, the charging device 10 further includes a first splitter 17 (splitter) and a first power regulator 19 (power regulator). The first shunt 17 is coupled between the first transceiver unit 13 and the first power transmission port 15. The first power regulator 19 is coupled to the first shunt 17. The first shunt 17 receives the first detection signal S1 from the first transceiver unit 13. The first power regulator 19 transmits the electric power E to the first shunt 17. The first shunt 17 combines the power E and the first detection signal S1 to generate the first carrier W1.

The first transceiver unit 13 to generate the first carrier W1 through the first splitter 17 and the first power regulator 19 is only a possible implementation manner of the present invention. The present invention does not limit the manner in which the first transceiver unit 13 generates the first carrier W1.

In addition, the charging device 10 also includes a power unit 18. The power unit 18 is coupled to the first power regulator 19. The power unit 18 provides the power E to the first power regulator 19. The power unit 18 can be implemented by any possible power source (for example, AC power), and the present invention is not limited to this.

Furthermore, the energy storage device 20 further includes a second shunt 27 and a second power regulator 29. The second shunt 27 is coupled between the second transceiver unit 23 and the second power transmission port 25. The second power regulator 29 is coupled to the second shunt 27. The second splitter 27 receives the first carrier W1. The second shunt 27 transmits the first detection signal S1 to the second transceiver unit 23. The second shunt 27 transmits the electric power E to the second power regulator 29.

In addition, the energy storage device 20 further includes a load unit 28 coupled to the second power regulator 29. The second power conditioner 29 transmits the electric power E to the load unit 28. The load unit 28 may be, for example, a rechargeable battery, but the invention is not limited thereto. In this way, the charging device 10 can provide the power E to the load unit 28. The control system 1 can protect the operation of the charging device 10, avoid problems or accidents, and greatly improve the reliability of the charging device 10.

The first shunt 17, the first power regulator 19, the second shunt 27, and the second power regulator 29 can be implemented by electronic components and/or circuits, for example.

In an embodiment of the present invention, the control system 1 is further configured to perform the following operations:

(a) The second controller 21 sends a second detection signal S4 to the second transceiver unit 23.

(b) The second transceiver unit 23 sends a third carrier W3 including the second detection signal S4 to the first transceiver unit 13 of the charging device 10 via the transmission path T.

(c) The first transceiver unit 13 transmits the second detection signal S4 to the first controller 11. The first controller 11 returns a second identification signal S5 to the first transceiver unit 13 according to the second detection signal S4.

(d) The first transceiving unit 13 transmits a fourth carrier W4 including the second identification signal S5 to the second transceiving unit 23 via the transmission path T.

(e) The second controller 21 recognizes the compatibility between the charging device 10 and the energy storage device 20 according to the second identification signal S5 to generate a second compatibility signal S6.

(f) The charging device 10 and the energy storage device 20 determine whether to charge via the transmission path T according to the second compatible signal S6.

The second detection signal S4, the second identification signal S5, the second compatible signal S6 and the aforementioned first detection signal S1, the first identification signal S2, and the first compatible signal of this embodiment S3 is similar, and its details will not be repeated here. In this embodiment, the connection port of the existing device can be used to transmit the signal for identification and confirmation, so as to increase the signal transmission path between the charging device 10 and the energy storage device 20, and easily provide power protection.

Please refer to FIG. 3, which is a schematic diagram of the control system 2 of the charging device 10 according to another embodiment of the present invention. The structure and function of the control system 2 of this embodiment are similar to the control system 1 shown in FIGS. 1 and 2. The difference between this embodiment and the embodiment shown in FIG. 1 and FIG. 2 is that the control system 2 includes an energy storage device 20a. The energy storage device 20a is an electric locomotive. The energy storage device 20a includes a second controller 21a, a second transceiver unit 23a, a second power transmission port 25a, and a load unit 28a. The structures and functions of the second controller 21a, the second transceiver unit 23a, the second power transmission port 25a, and the load unit 28a are the same as those of the aforementioned second controller 21, the second transceiver unit 23, and the second power The transmission port 25 is similar to the load unit 28, and the details are not repeated here.

In other embodiments of the present invention, the energy storage device may be, for example, an electric car.

Please refer to FIG. 4, which is a flowchart of a control method of the charging device 10 according to an embodiment of the present invention. Please refer to Figure 1 and Figure 2 at the same time. The steps of the control method include: in step S101, the first controller sends a first detection signal to the first transceiver unit. Next, in step S103, the first transceiver unit sends a first carrier wave including the first detection signal to the second transceiver unit of the energy storage device via the transmission path. In step S105, the second transceiver unit transmits the first detection signal to the second controller, and the second controller returns a first identification signal to the second transceiver unit according to the first detection signal. In step S107, the second transceiver unit sends a second carrier wave including the first identification signal to the first transceiver unit via the transmission path. Next, in step S109, the first controller identifies the compatibility between the charging device and the energy storage device according to the first identification signal and generates a first compatibility signal.

Please refer to FIG. 5, which is a flowchart of a control method of the charging device 10 according to an embodiment of the present invention. Please refer to Figure 1 and Figure 2 at the same time. The steps of the control method include: in step S201, the second controller sends a second detection signal to the second transceiver unit. Next, in step S203, the second transceiver unit sends a third carrier wave including the second detection signal to the first transceiver unit of the charging device via the transmission path. In step S205, the first transceiver unit transmits the second detection signal to the first controller, and the first controller returns a second identification signal to the first transceiver unit according to the second detection signal. Step S207: The first transceiving unit sends a fourth carrier including the second identification signal to the second transceiving unit via the transmission path. Next, in step S209, the second controller recognizes the compatibility between the charging device and the energy storage device according to the second identification signal and generates a second compatibility signal.

With regard to the multiple implementation details of the steps described in FIG. 4 and FIG. 5, the foregoing multiple embodiments and implementations have been described in detail, and will not be repeated here.

In summary, the control system of the charging device of the embodiment of the present invention transmits the detection signal and the identification signal through the power line, and provides the charging device and the identification signal without additional electrical pins and transmission lines for detection and identification. The signal transmission path between the energy storage devices increases the applicability of the charging device (for example, downward compatibility), and also improves the reliability and safety of the charging device.

1, 2: Control system 10: Charging device 11: The first controller 13: The first transceiver unit 15: The first power transmission port 17: The first shunt 18: Power unit 19: The first power regulator 20, 20a: Energy storage device 21, 21a: second controller 23, 23a: second transceiver unit 25, 25a: second power transmission port 27: second shunt 28, 28a: load cell 29: The second power regulator 30: Power line AC: Mains E: Electricity S1: The first detection signal S2: The first identification signal S3: First compatible signal S4: Second detection signal S5: Second identification signal S6: Second compatible signal T: Transmission path W1: first carrier W2: second carrier W3: third carrier W4: fourth carrier

Fig. 1 is a schematic diagram of a control system of a charging device according to an embodiment of the present invention. Fig. 2 is a schematic diagram of functional blocks of a control system of a charging device according to an embodiment of the present invention. Fig. 3 is a schematic diagram of a control system of a charging device according to another embodiment of the present invention. Fig. 4 is a flowchart of a control method of a charging device according to an embodiment of the present invention. Fig. 5 is a flowchart of a control method of a charging device according to an embodiment of the present invention.

10: Charging device

11: The first controller

13: The first transceiver unit

15: The first power transmission port

17: The first shunt

18: Power unit

19: The first power regulator

20: Energy storage device

21: second controller

23: The second transceiver unit

25: The second power transmission port

27: second shunt

28: load cell

29: The second power regulator

30: Power line

E: Electricity

S1: The first detection signal

S2: The first identification signal

S3: First compatible signal

S4: Second detection signal

S5: Second identification signal

S6: Second compatible signal

T: Transmission path

W1: first carrier

W2: second carrier

W3: third carrier

W4: fourth carrier

Claims (10)

A control system of a charging device includes: A charging device includes a first controller, a first transceiver unit, and a first power transmission port. The first transceiver unit is electrically connected to the first controller, and the first power transmission port is coupled to the first transceiver unit; An energy storage device includes a second controller, a second transceiving unit, and a second power transmission port. The second transceiving unit is electrically connected to the second controller, and the second power transmission port is coupled to the second Transceiver unit; and A power line electrically connecting the first power transmission port and the second power transmission port, and the power line, the first power transmission port and the second power transmission port form a transmission path; Among them, the control system is configured to perform the following operations: The first controller sends a first detection signal to the first transceiver unit; The first transceiving unit sends a first carrier wave including the first detection signal to the second transceiving unit via the transmission path; The second transceiver unit transmits the first detection signal to the second controller; The second controller returns a first identification signal to the second transceiver unit according to the first detection signal; and The second transceiving unit transmits a second carrier wave including the first identification signal to the first transceiving unit via the transmission path, and the first controller recognizes the relationship between the charging device and the energy storage device according to the first identification signal A first compatible signal is generated. The control system of the charging device according to claim 1, wherein the control system further performs the following operations: The second controller sends a second detection signal to the second transceiver unit; The second transceiving unit sends a third carrier including the second detection signal to the first transceiving unit via the transmission path; The first transceiver unit transmits the second detection signal to the first controller; The first controller returns a second identification signal to the first transceiver unit according to the second detection signal; and The first transceiving unit transmits a fourth carrier wave including the second identification signal to the second transceiving unit via the transmission path, and the second controller recognizes the relationship between the charging device and the energy storage device according to the second identification signal A second compatible signal is generated. The control system for a charging device according to claim 1, wherein the charging device transmits an electric power to the energy storage device through the power line, and the first carrier and the second carrier are carriers loaded on the electric power. The control system for a charging device according to claim 1, wherein the charging device further includes a first shunt and a first power regulator, and the first shunt is coupled to the first transceiver unit and the first power Between the transmission ports, the first power regulator is coupled to the first shunt, the first shunt receives the first detection signal from the first transceiver unit, and the first power regulator transmits a power to the first shunt. A shunt. The first shunt combines the power and the first detection signal to generate the first carrier. The control system for a charging device according to claim 4, wherein the energy storage device further includes a second shunt and a second power regulator, and the second shunt is coupled to the second power transmission port and the first Between the two transceiver units, the second power regulator is coupled to the second splitter, the second splitter receives the first carrier, and the second splitter transmits the first detection signal to the second transceiver unit, The second shunt transmits the power to the second power conditioner. The control system for a charging device according to claim 4, wherein the charging device further includes a power unit, the power unit is coupled to the first power regulator, and the power unit provides the power to the first power regulator. The control system of the charging device according to claim 5, wherein the energy storage device further includes a load unit, the load unit is coupled to the second power regulator, and the second power regulator transmits the power to the load unit. A control method of a charging device includes: A charging device is provided. The charging device includes a first controller, a first transceiving unit, and a first power transmission port. The first transceiving unit is electrically connected to the first controller, and the first power transmission port is coupled to The first transceiver unit; An energy storage device is provided, the energy storage device includes a second controller, a second transceiving unit, and a second power transmission port, the second transceiving unit is electrically connected to the second controller, and the second power transmission port Coupled to the second transceiver unit; Providing a power line that electrically connects the first power transmission port and the second power transmission port, and the power line, the first power transmission port and the second power transmission port form a transmission path; The first controller sends a first detection signal to the first transceiver unit; The first transceiving unit sends a first carrier wave including the first detection signal to the second transceiving unit via the transmission path; The second transceiver unit transmits the first detection signal to the second controller; The second controller returns a first identification signal to the second transceiver unit according to the first detection signal; and The second transceiving unit transmits a second carrier wave including the first identification signal to the first transceiving unit via the transmission path, and the first controller recognizes the relationship between the charging device and the energy storage device according to the first identification signal A first compatible signal is generated. The control method of the charging device according to claim 8, further including: The second controller sends a second detection signal to the second transceiver unit; The second transceiving unit sends a third carrier including the second detection signal to the first transceiving unit via the transmission path; The first transceiver unit transmits the second detection signal to the first controller; The first controller returns a second identification signal to the first transceiver unit according to the second detection signal; and The first transceiving unit transmits a fourth carrier wave including the second identification signal to the second transceiving unit via the transmission path, and the second controller recognizes the relationship between the charging device and the energy storage device according to the second identification signal A second compatible signal is generated. A charging method includes: A charging device is provided. The charging device includes a first controller, a first transceiving unit, and a first power transmission port. The first transceiving unit is electrically connected to the first controller, and the first power transmission port is coupled to The first transceiver unit; An energy storage device is provided, the energy storage device includes a second controller, a second transceiving unit, and a second power transmission port, the second transceiving unit is electrically connected to the second controller, and the second power transmission port Coupled to the second transceiver unit; Providing a power line that electrically connects the first power transmission port and the second power transmission port, and the power line, the first power transmission port and the second power transmission port form a transmission path; The first controller sends a first detection signal to the first transceiver unit; The first transceiving unit sends a first carrier wave including the first detection signal to the second transceiving unit via the transmission path; The second transceiver unit transmits the first detection signal to the second controller; The second controller returns a first identification signal to the second transceiver unit according to the first detection signal; The second transceiving unit transmits a second carrier wave including the first identification signal to the first transceiving unit via the transmission path, and the first controller recognizes between the charging device and the energy storage device according to the first identification signal Compatibility, and generate a first compatible signal; and The charging device and the energy storage device determine whether to charge via the transmission path according to the first compatible signal.

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