Compatible charging circuit, charging method and charging system

Abstract

The invention provides a compatible charging circuit, a charging method and a charging system. The central processing module is connected with the connecting seat; the locking module is arranged between the central processing module and the connecting seat; the adaptation module comprises a voltage adjusting unit and a preset unit, the signal input end of the voltage adjusting unit is connected with the central processing module, the output end of the voltage adjusting unit is connected with the preset unit, and the preset unit is in signal connection with the connecting base. The invention can be suitable for electric appliances with different powers. In the process, the signal transmission response speed is high, the adjustment automation degree is high, the device can be matched with electric appliances of different standards and models in a short time, and compared with an existing conventional charging technology, the device has the remarkable advantages of being accurate, efficient, high in compatibility, wide in application range, convenient to operate and the like, and the device is suitable for popularization and application. Therefore, the method has a wide application prospect in the industry.

Description

Technical Field

[0001] The present invention relates to the technical field of charging equipment, and in particular to a compatible charging circuit, a charging method and a charging system. Background Art

[0002] With the rapid development of the electric vehicle industry, vehicle performance and charging requirements are becoming more diversified. However, existing charger technology faces the challenge of insufficient adaptability. Under the current technical background, conventional chargers have a fixed output power and cannot adapt to the charging power differences of different electric vehicles, which seriously limits the charging convenience and efficiency of electric vehicles.

[0003] At present, the charging power of electric vehicles ranges from a few kilowatts to hundreds of kilowatts, and different brands and models of electric vehicles have different requirements for chargers. This diverse charging demand is in sharp contrast to the single output power of existing chargers. Since the charger cannot perfectly match various electric vehicles, it leads to long charging time, low charging efficiency, and may even cause safety problems due to incompatibility between the charger and the vehicle.

[0004] In addition, the inconsistency of charging interfaces is also a prominent problem in the existing technology. Electric vehicles in different countries and regions may adopt different charging interface standards, which not only brings troubles to users in terms of selection and use, but also increases the complexity and cost of charging facilities. In this case, it is particularly urgent to develop a highly adaptable charger that can adapt to different charging power and is compatible with multiple charging interfaces. Summary of the invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problem of low adaptability of chargers in the prior art and to provide a compatible charging circuit, charging method and charging system.

[0006] In order to solve the above technical problems, the present invention provides a compatible charging circuit, which includes: a connecting socket, the connecting socket is connected to an external electrical device; a central processing module, the central processing module is connected to the connecting socket, and when the electrical appliance is connected to the connecting socket, the connecting socket transmits the charging power of the electrical appliance to the central processing module; a locking module, the locking module is arranged between the central processing module and the connecting socket; an adapter module, the adapter module includes a voltage adjustment unit and a preset unit, the signal input end of the voltage adjustment unit is connected to the central processing module, and the output end is connected to the preset unit, the preset unit is connected to the connecting socket signal, when the power of the connecting socket matches the electrical appliance, the central processing module drives the locking module to lock the electrical appliance and the connecting socket; when the power of the connecting socket does not match the electrical appliance, the central processing module drives the voltage adjustment unit to a predetermined value of the preset unit, and then locks the electrical appliance and the connecting socket through the locking module.

[0007] In one embodiment of the present invention, it also includes a control module, the input end of the control module signal is connected to the central processing unit, and the output end is connected to the locking module, which is powered by the connecting socket.

[0008] In one embodiment of the present invention, the control module includes a CAN bus, a voltage stabilizing unit and a control unit, the CAN bus is respectively connected to the voltage stabilizing unit and the control unit, and its signal output end is connected to the locking module, wherein the control unit is connected to the central processing module.

[0009] In one embodiment of the present invention, it also includes a logic control module, and the logic control module is connected between the connection socket and the signal output end of the central processing unit.

[0010] In one embodiment of the present invention, the adaption module further comprises a display module, wherein a signal input terminal of the display module is connected to the voltage regulating unit and the preset module, and an output terminal of the display module is connected to the connection socket.

[0011] In one embodiment of the present invention, the display module is configured as at least one of an indicator light, a display screen or a buzzer; and the central processing module detects the power of the electrical appliance through NTC.

[0012] The present invention also provides a charging method, which adopts the above-mentioned compatible charging circuit to perform power adaptation charging, and comprises the following steps: S1, connecting the electrical appliance to the connection socket; S2, detecting the power of the electrical appliance through a central processing module, and presetting parameters; when the power of the connection socket matches the preset parameters of the electrical appliance, locking the electrical appliance and the connection socket and starting charging; when the power of the connection socket does not match the preset parameters of the electrical appliance, the central processing module adjusts the supply voltage until the power of the connection socket matches the preset parameters of the electrical appliance, and then locking the electrical appliance and the connection socket and starting charging; S3, repeating step S2, so that the electrical appliance completes charging at a constant power.

[0013] In one embodiment of the present invention, in step S1, parameters of a preset module are set according to the detection result of the power of the electrical appliance; in step S2, when the power of the connection socket matches the preset parameters of the electrical appliance, the central processing module drives the electronic lock to lock and charge through the control module; when the power of the connection socket does not match the preset parameters of the electrical appliance, the central processing module performs voltage regulation through the boost module in the adapter module of the control module until the output voltage of the boost module is the same as the preset module parameters, and then the central processing module drives the electronic lock to lock and charge through the control module.

[0014] In one embodiment of the present invention, in step S2, when the power of the connection socket does not match the preset parameters of the electrical appliance, a warning is given through the display unit.

[0015] The present invention also provides a charging system, which includes the above-mentioned compatible charging circuit.

[0016] The above technical solution of the present invention has the following advantages compared with the prior art:

[0017] The compatible charging circuit, charging method and charging system described in the present invention are connected to an external electrical appliance through a connection socket, and then the charging power of the electrical appliance is detected by a central processing unit, and the locking module and the adapter module are adjusted according to the detection structure for adaptive charging, so that it can be applied to electrical appliances of different powers. In this process, the signal transmission response speed is fast, the adjustment automation degree is high, and it can be matched with electrical appliances of different standards and models in a short time. Compared with the existing conventional charging technology, this application has significant advantages such as precision and efficiency, strong compatibility, wide range of use and easy operation, so it has broad application prospects in this industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0019] Figure 1 is a schematic diagram of a compatible charging circuit architecture in a preferred embodiment of the present invention;

[0020] Figure 2 yes Figure 1 Schematic diagram of the control module architecture in the compatible charging circuit shown;

[0021] Figure 3 yes Figure 1 The circuit diagram of the central processing module in the compatible charging circuit shown;

[0022] Figure 4 yes Figure 1 Circuit diagram of the control unit in the compatible charging circuit shown;

[0023] Figure 5 yes Figure 1 The circuit diagram of the voltage stabilizing unit in the compatible charging circuit shown;

[0024] Figure 6 yes Figure 1 A circuit diagram of a display unit in the compatible charging circuit shown;

[0025] Figure 7 It is a schematic structural diagram of a charging system in another embodiment of the present invention.

[0026] Explanation of the reference numerals in the specification: 100, charging gun; 200, connecting socket; 300, voltage regulating unit; 400, controller; 500, adapter. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0028] Embodiment 1

[0029] See also Figure 1As shown, this embodiment provides a compatible charging circuit, which includes: a connecting socket, the connecting socket is connected to an external electrical device; a central processing module, the central processing module is connected to the connecting socket, and when the electrical appliance is connected to the connecting socket, the connecting socket transmits the charging power of the electrical appliance to the central processing module; a locking module, the locking module is arranged between the central processing module and the connecting socket; an adapter module, the adapter module includes a voltage regulating unit and a preset unit, the signal input end of the voltage regulating unit is connected to the central processing module, and the output end is connected to the preset unit, the preset unit is connected to the connecting socket signal, when the power of the connecting socket matches the electrical appliance, the central processing module drives the locking module to lock the electrical appliance and the connecting socket; when the power of the connecting socket does not match the electrical appliance, the central processing module drives the voltage regulating unit to a predetermined value of the preset unit, and then locks the electrical appliance and the connecting socket through the locking module.

[0030] The compatible charging circuit described in this embodiment is connected to an external electrical appliance through a connection socket, and then the charging power of the electrical appliance is detected by the central processing unit, and the locking module and the adapter module are adjusted according to the detection structure for adaptive charging, so that it can be applied to electrical appliances of different powers. In this process, the signal transmission response speed is fast, the adjustment automation is high, and it can be matched with electrical appliances of different standards and models in a short time. Compared with the existing conventional charging technology, this application has significant advantages such as precision and efficiency, strong compatibility, wide range of use, and easy operation, and thus has broad application prospects in this industry.

[0031] See also Figure 1 As shown, the connection socket in this embodiment is preferably a 20P connection socket, which is used to connect to external charging guns and other equipment. The central processing module is responsible for receiving the charging power information transmitted by the connection socket, and making corresponding processing decisions based on this information. Signal transmission is performed between the connection socket and the central processing module through the NTC detection line to realize the detection of the power of the electrical appliance. The locking module in this embodiment is used to ensure that the electrical appliance is stably connected to the connection socket to prevent it from falling off during charging. The adapter module is used for power matching, wherein the preset unit is used to set the output value of the voltage adjustment unit to ensure that the power after voltage adjustment can meet the requirements of the electrical appliance. When the power of the connection socket does not match the power required by the electrical appliance, the voltage adjustment unit will adjust the input signal to the required level.

[0032] See also Figure 2As shown, this embodiment also includes a control module, the input end of the control module signal is connected to the central processing unit, and the output end is connected to the locking module, which is powered by the connecting socket. Further, the control module includes a CAN bus, a voltage stabilizing unit and a control unit, the CAN bus is respectively connected to the voltage stabilizing unit and the control unit, and its signal output end is connected to the locking module, wherein the control unit is connected to the central processing module. Specifically, the internal circuit setting of the central processing module is shown in Figure 3 shown.

[0033] Furthermore, the control module is responsible for receiving instructions from the central processing module and controlling the locking module according to these instructions, thereby ensuring safety and stability during the charging process. At the same time, the control module is powered by the connector to achieve power transmission. Furthermore, the CAN bus (Controller Area Network, CAN) is used to connect the voltage stabilization unit and the control unit, and connect the signal output end to the locking module to transmit the control signal. The control unit receives instructions from the central processing module and sends control signals to the locking module through the CAN bus. The circuit is shown in Figure 4 The voltage stabilizing unit can ensure the stability of the voltage received by the control module, thereby preventing voltage fluctuations from causing damage to circuits and equipment. It communicates with the control unit and other modules through the CAN bus. The circuit is shown in Figure 5 shown.

[0034] This embodiment also includes a logic control module, which is connected between the connection socket and the signal output end of the central processing unit. When an electrical appliance is connected to the connection socket, the logic control module will parse the signal from the electrical appliance to determine its charging requirements and compatibility. It can convert the signal of the electrical appliance into a form that the central processing unit can understand and process, or convert the instructions of the central processing unit into signals that can be executed by the connection socket and the locking module.

[0035] Furthermore, in this embodiment, the adapter module also includes a display module, the signal input end of the display module is connected to the voltage adjustment unit and the preset module, and the output end is connected to the connection socket. Figure 6 Specifically, the display module in this embodiment is configured as an indicator light. In different embodiments, the display module can be configured as a display screen or a buzzer or other warning element according to actual use requirements, and the present invention does not impose any specific limitation on this.

[0036] Embodiment 2

[0037] This embodiment provides a charging method, which uses the compatible charging circuit described in Embodiment 1 to perform power adaptation charging, and includes the following steps:

[0038] S1. Connect the electrical appliance to the connection socket. In this embodiment, the parameters of the preset module are set according to the detection result of the power of the electrical appliance.

[0039] S2. Detect the power of electrical appliances through the central processing module and preset parameters;

[0040] When the power of the connection socket matches the preset parameters of the electrical appliance, the electrical appliance and the connection socket are locked and charging begins;

[0041] When the power of the connection socket does not match the preset parameters of the electrical appliance, the central processing module adjusts the supply voltage until the power of the connection socket matches the preset parameters of the electrical appliance, and then locks the electrical appliance and the connection socket and starts charging;

[0042] Specifically, when the power of the connection socket matches the preset parameters of the electrical appliance, the central processing module drives the electronic lock to lock and charge through the regulation module; when the power of the connection socket does not match the preset parameters of the electrical appliance, the central processing module performs voltage regulation through the boost module in the regulation module adapter module until the output voltage of the boost module is the same as the preset module parameters, and then the central processing module drives the electronic lock to lock and charge through the regulation module.

[0043] Furthermore, in this embodiment, when the power of the connection socket does not match the preset parameters of the electrical appliance, a warning is given through the display unit.

[0044] S3. Repeat step S2 to complete charging of the electrical appliance at a constant power.

[0045] Embodiment 3

[0046] This embodiment provides a charging system, which includes the compatible charging circuit described in the first embodiment. Figure 7 As shown, the charging system in this embodiment includes a controller 400, a voltage regulating unit 300, and a connecting socket 200 which are interconnected, wherein the central processing unit is arranged in the controller 400, the charging gun 100 is connected to the voltage regulating unit 300, and it includes a replaceable adapter 500.

[0047] In summary, the compatible charging circuit, charging method and charging system described in the present invention are connected to external electrical appliances through a connection socket, and then the charging power of the electrical appliances is detected by the central processing unit, and the locking module and the adapter module are adjusted according to the detection structure for adaptive charging, so that it can be applied to electrical appliances of different powers. In this process, the signal transmission response speed is fast, the adjustment automation degree is high, and it can be matched with electrical appliances of different standards and models in a short time. Compared with the existing conventional charging technology, this application has significant advantages such as precision and efficiency, strong compatibility, wide range of use and easy operation, so it has broad application prospects in this industry.

[0048] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. A compatible charging circuit, characterized in that: include: A connection socket, the connection socket being connected to an external electrical device; A central processing module, wherein the central processing module is connected to the connection socket, and when the electrical appliance is connected to the connection socket, the connection socket transmits the charging power of the electrical appliance to the central processing module; A locking module, the locking module is arranged between the central processing module and the connecting socket; The adapter module includes a voltage regulating unit and a preset unit, wherein the signal input end of the voltage regulating unit is connected to the central processing module, and the output end is connected to the preset unit, and the preset unit is connected to the connection socket signal. When the power of the connection socket matches that of the electrical appliance, the central processing module drives the locking module to lock the electrical appliance with the connection socket; When the power of the connection socket does not match the electrical appliance, the central processing module drives the voltage adjustment unit to a predetermined value of the preset unit, and then locks the electrical appliance and the connection socket through the locking module.

2. The compatible charging circuit according to claim 1, characterized in that: It also includes a control module, the input end of the control module signal is connected to the central processing unit, and the output end is connected to the locking module, and it is powered by the connecting socket.

3. The compatible charging circuit according to claim 2, characterized in that: The control module includes a CAN bus, a voltage stabilizing unit and a control unit, wherein the CAN bus is connected to the voltage stabilizing unit and the control unit respectively, and its signal output end is connected to the locking module, wherein the control unit is connected to the central processing module.

4. The compatible charging circuit according to claim 1, characterized in that: It also includes a logic control module, which is connected between the connection socket and the signal output end of the central processing unit.

5. The compatible charging circuit according to claim 1, characterized in that: The adapting module further comprises a display module, wherein a signal input end of the display module is connected to the voltage regulating unit and the preset module, and an output end of the display module is connected to the connection socket.

6. The compatible charging circuit according to claim 5, characterized in that: The display module is configured as at least one of an indicator light, a display screen or a buzzer; and the central processing module detects the power of the electrical appliance through NTC.

7. A charging method, characterized in that: The compatible charging circuit according to any one of claims 1 to 6 is used to perform power adaptation charging, which comprises the following steps: S1. Connect the electrical appliance to the connection socket; S2. Detect the power of electrical appliances through the central processing module and preset parameters; When the power of the connection socket matches the preset parameters of the electrical appliance, the electrical appliance and the connection socket are locked and charging begins; When the power of the connection socket does not match the preset parameters of the electrical appliance, the central processing module adjusts the supply voltage until the power of the connection socket matches the preset parameters of the electrical appliance, and then locks the electrical appliance and the connection socket and starts charging; S3. Repeat step S2 to complete charging of the electrical appliance at a constant power.

8. The charging method according to claim 7, characterized in that: In step S1, the parameters of the preset module are set according to the detection result of the power of the electrical appliance; in step S2, when the power of the connecting socket matches the preset parameters of the electrical appliance, the central processing module drives the electronic lock to lock and charge through the control module; when the power of the connecting socket does not match the preset parameters of the electrical appliance, the central processing module adjusts the voltage through the boost module in the adapter module of the control module until the output voltage of the boost module is the same as the preset module parameter, and the central processing module drives the electronic lock to lock and charge through the control module.

9. The charging method according to claim 7, characterized in that: In step S2, when the power of the connection socket does not match the preset parameters of the electrical appliance, a warning is given through the display unit.

10. A charging system, characterized in that: The compatible charging circuit comprises the compatible charging circuit as claimed in any one of claims 1 to 6.

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