Power-off reset device of automatic charging equipment

Abstract

The utility model provides a power-off reset device of automatic charging equipment, which comprises a switching unit, a driver and a standby power supply module, the switching unit is respectively connected with commercial power and the standby power supply module, a first input end of the driver is connected with the switching unit, and a second input end of the driver is connected with the standby power supply module. The output end of the driver is connected with the automatic charging equipment mechanical arm, and the standby power module is further connected with the mains supply. Therefore, when the mains supply is cut off in the automatic charging process, the standby power supply module can be switched to continuously supply power to the mechanical arm of the automatic charging equipment, and the phenomenon that the mechanical arm cannot be automatically separated from the vehicle end due to the mains supply is cut off, so that the vehicle cannot normally run away or the mechanical arm is damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic charging, in particular to a power-off resetting device for automatic charging equipment. Background Art

[0002] At present, automatic charging equipment connects to the vehicle through its robotic arm for automatic charging. If the mains power is cut off or abnormal during the charging process, the automatic charging equipment cannot be powered, which results in the robotic arm being unable to detach from the vehicle, causing the vehicle to be unable to drive away or the robotic arm to be damaged. It is necessary to send personnel to the site to operate the detachment, which is time-consuming and labor-intensive, resulting in increased maintenance costs, and the demand for automatic charging equipment without personnel management cannot be realized. Utility Model Content

[0003] In order to solve one of the above-mentioned technical problems, the utility model proposes the following technical solution.

[0004] The first aspect of the utility model embodiment proposes a power-off reset device for automatic charging equipment, including a switching unit, a driver and a backup power supply module, wherein the switching unit is connected to the mains and the backup power supply module respectively, the first input end of the driver is connected to the switching unit, the second input end of the driver is connected to the backup power supply module, the output end of the driver is connected to the automatic charging equipment mechanical arm, and the backup power supply module is also connected to the mains.

[0005] In addition, the power-off resetting device of the automatic charging device according to the above embodiment of the utility model may also have the following additional technical features.

[0006] In some examples, the backup power supply module includes a detection unit, a converter unit, a battery unit and a first communication control board, wherein the detection unit is connected to the AC power and the first communication control board, respectively, the converter unit is connected to the AC power, the switching unit, the first communication control board and the battery unit, respectively, and the first communication control board is also connected to the second input terminal of the driver.

[0007] In some examples, the power-off resetting device of the automatic charging equipment also includes a second communication control board and an auxiliary power supply, wherein the auxiliary power supply is respectively connected to the switching unit and the second communication control board, and the second communication control board is respectively connected to the first communication control board and the second input end of the driver.

[0008] In some examples, the converter unit includes an AC-to-DC converter and a DC-to-AC converter.

[0009] In some examples, the converter unit includes a bidirectional AC-DC converter.

[0010] The technical solution of the embodiment of the utility model adopts a switching unit and a backup power supply module. When the AC power is cut off during the automatic charging process, it can switch to the backup power supply module to continue to power the mechanical arm of the automatic charging equipment, which is beneficial to avoid the mechanical arm being unable to automatically detach from the vehicle end due to the AC power outage, thereby causing the vehicle to be unable to leave normally or the mechanical arm to be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a structural block diagram of a power-off resetting device for an automatic charging device according to an embodiment of the utility model.

[0012] Figure 2 This is a structural block diagram of a power-off resetting device for an automatic charging device according to an example of the present utility model.

[0013] Figure 3 This is a flowchart of powering off and resetting the mechanical arm of an automatic charging device according to an example of the utility model. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] In view of some problems in the related art caused by the inability to provide power to the automatic charging device when the mains power is cut off or abnormal, the embodiment of the utility model proposes a power-off reset device for the automatic charging device, which can continue to supply power to the mechanical arm of the automatic charging device when the mains power is cut off or abnormal, thereby facilitating the resetting of the mechanical arm without manual work.

[0016] Figure 1 This is a structural block diagram of a power-off resetting device for an automatic charging device according to an embodiment of the utility model.

[0017] like Figure 1 As shown, the power-off resetting device of the automatic charging device includes a switching unit 1, a driver 2 and a backup power module 3. The switching unit 1 is connected to the mains 4 and the backup power module 3 respectively, the first input end (power supply end) of the driver 2 is connected to the switching unit 1, the second input end (control end) of the driver 2 is connected to the backup power module 3, the output end of the driver 2 is connected to the automatic charging device mechanical arm 5, and the backup power module 3 is also connected to the mains 4.

[0018] Specifically, the utility model provides a backup power module 3, which includes an internal battery unit, and the battery unit is usually charged by the mains 4. When the automatic charging device mechanical arm 5 is connected to the vehicle for automatic charging, the mains 4 supplies power to the automatic charging device mechanical arm 5 through the switching unit 1 and the driver 2. When the mains 4 is powered off or abnormal, it is immediately switched to the backup power module 3 through the switching unit 1, and the backup power module 3 is used to replace the mains 4, so that the backup power module 3 supplies power to the automatic charging device mechanical arm 5 through the switching unit 1 and the driver 2. The backup power module 3 is also connected to the driver 2, which can be achieved: when the backup power module 3 supplies power to the mechanical arm, the backup power module 3 can control the driver 2 to drive the mechanical arm to forcibly detach from the vehicle end, and forcibly reset the mechanical arm, ensuring that in the case of a mains power outage, the mechanical arm can automatically complete the detachment action without manual operation, and the vehicle can drive away smoothly.

[0019] Among them, the structures of the switching unit 1, the driver 2 and the backup power supply module 3 can be any existing ones. The switching unit 1 can be any existing switch with a switching function, such as a relay with a set of conversion contacts. The driver 2 can be the automatic charging device's own driver. The backup power supply module 3 can be any existing structure with power supply and control functions. Therefore, the embodiment of the utility model does not limit the specific structure of each module.

[0020] Compared with the related art, when the city power is cut off, the embodiment of the utility model does not need to manually detach the robotic arm, but switches to the backup power module 3 to power the robotic arm, and can further control the driver 2 to drive the robotic arm to smoothly detach from the vehicle end and force reset, thereby avoiding damage to the robotic arm, saving labor costs, reducing maintenance costs, and realizing the need for automatic charging equipment without personnel management.

[0021] Therefore, the power-off resetting device of the automatic charging equipment in the embodiment of the utility model can switch to the backup power supply module to continue to supply power to the mechanical arm of the automatic charging equipment when the AC power is cut off during the automatic charging process, which is helpful to avoid the mechanical arm being unable to automatically detach from the vehicle end due to the AC power outage, thereby causing the vehicle to be unable to leave normally or the mechanical arm to be damaged.

[0022] In one example of the present invention, Figure 2 As shown, the backup power supply module 3 includes a detection unit 31, a converter unit 32, a battery unit 33 and a first communication control board 34, wherein the detection unit 31 is respectively connected to the AC power 4 and the first communication control board 34, the converter unit 32 is respectively connected to the AC power 4, the switching unit 1, the first communication control board 34 and the battery unit 33, and the first communication control board 34 is also connected to the second input terminal of the driver 2.

[0023] Among them, the detection unit 31 can be any existing structure that can monitor the mains power and can (directly or indirectly) send a power-off signal when the mains power is abnormal or power-off. When detecting the input side voltage, a resistor voltage divider or a transformer voltage reduction can be used to perform detection and comparison to determine whether the mains power is abnormal or power-off; the converter unit 32 includes an AC-to-DC converter and a DC-to-AC converter (inverter), or the converter unit includes a bidirectional AC-to-DC converter. The specific circuit structure of each converter can be any feasible structure in the prior art, for example, the AC-to-DC converter can be a half-wave rectifier circuit, a full-wave rectifier circuit, or a bridge rectifier circuit.

[0024] Further, refer to Figure 2 The power-off reset device of the automatic charging device also includes a second communication control board 6 and an auxiliary power supply 7. The auxiliary power supply 7 is respectively connected to the switching unit 1 and the second communication control board 6. The second communication control board 6 is respectively connected to the first communication control board 34 and the second input end (control end) of the driver 2.

[0025] Specifically, if Figure 3 As shown, during the charging process of the automatic charging device, the detection unit 31 can be used to monitor in real time whether the mains power is normal. When the detection unit 31 detects the input side voltage, it can use a resistor to divide the voltage or a transformer to reduce the voltage, and perform detection and comparison to determine whether the mains power is normal. If it is normal, the mains power 4 can be converted from AC to DC through the converter unit 32 to charge the battery unit 33 until it is fully charged. When the detection unit 31 detects that the mains power is off or abnormal, the switching unit 1 immediately switches to the converter unit 32, and the detection unit 31 can send a power-off signal to the first communication control board 34. The first communication control board 34 controls the converter unit 32 to convert DC to AC. The battery unit 33 is discharged and converted from DC to AC by the converter unit 32, and then the AC power is provided to the driver 2 through the switching unit 1, so as to power the automatic charging device mechanical arm 5 through the battery unit 33. Moreover, when the system power failure is detected, the detection unit 31 sends a power failure signal to the first communication control board 34, and the first communication control board 34 sends a forced reset command according to the power failure signal, and transmits it to the driver 2 through the second communication control board 7. After receiving the forced reset command, the driver 2 drives the mechanical arm to detach from the vehicle end, thereby realizing the forced reset of the mechanical arm. That is, the battery unit 33 in the backup power module 3 provides energy to the mechanical arm, so that the mechanical arm can complete the detachment action and report the fault status, which can avoid the mechanical arm being unable to detach from the vehicle end due to power failure, resulting in the vehicle being unable to drive away normally or other safety hazards.

[0026] In summary, the power-off reset device of the embodiment of the utility model can detect the interruption or abnormality of the mains power through the detection unit, and provide a forced reset command to force the mechanical arm of the automatic charging device to disengage and reset; by providing a backup power supply, when the mains power is cut off, there is still enough power to unplug the automatic charging device, so that the mechanical arm can be smoothly separated from the vehicle, and the automatic reset of the mechanical arm is completed.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the utility model. Those of ordinary skill in the art can change, modify, replace and modify the above embodiments within the scope of the utility model.

Claims

1. A power-off reset device for automatic charging equipment, characterized in that: It includes a switching unit, a driver and a backup power supply module. The switching unit is connected to the mains and the backup power supply module respectively. The first input end of the driver is connected to the switching unit, the second input end of the driver is connected to the backup power supply module, the output end of the driver is connected to the automatic charging device mechanical arm, and the backup power supply module is also connected to the mains.

2. The power-off reset device for automatic charging equipment according to claim 1, characterized in that: The backup power supply module includes a detection unit, a converter unit, a battery unit and a first communication control board, wherein the detection unit is connected to the AC power and the first communication control board respectively, the converter unit is connected to the AC power, the switching unit, the first communication control board and the battery unit respectively, and the first communication control board is also connected to the second input terminal of the driver.

3. The power-off reset device for automatic charging equipment according to claim 2, characterized in that: It also includes a second communication control board and an auxiliary power supply, wherein the auxiliary power supply is respectively connected to the switching unit and the second communication control board, and the second communication control board is respectively connected to the first communication control board and the second input end of the driver.

4. The power-off reset device for automatic charging equipment according to claim 2 or 3, characterized in that: The converter unit includes an AC-to-DC converter and a DC-to-AC converter.

5. The power-off reset device for automatic charging equipment according to claim 2 or 3, characterized in that: The converter unit includes a bidirectional AC / DC converter.

Images