Fault detection method and system based on charging equipment, and storage medium

Abstract

The invention provides a fault detection method and system for charging equipment and a storage medium, and relates to the technical field of charging facilities, and the method comprises the steps: presetting a timed query task according to the real-time data information of the charging equipment, starting to query whether a charging use electricity consumption value is 0 or not when the charging duration reaches a preset parameter, and if yes, starting to query whether the charging use electricity consumption value is 0 or not; if yes, judging that the electric quantity metering module of the charging equipment fails; if not, storing the charging use electricity consumption value inquired this time and an instruction for waiting for inquiring the charging use electricity consumption value next time, after receiving a preset inquiry instruction and inquiring, determining whether the inquired charging use electricity consumption value is greater than the stored charging use electricity consumption value, and if not, judging that the electricity metering module of the charging equipment is in fault; and based on a preset timed query task, determining whether an electric quantity metering module of the charging equipment has a fault, if so, outputting fault recording alarm information, and issuing a charging ending instruction at the same time.

Description

Technical Field

[0001] The present invention relates to the field of charging devices, and more particularly to a fault detection method, system and storage medium based on a charging device. Background Art

[0002] In recent years, with the rapid development of the new energy vehicle industry, the demand for charging piles has been increasing day by day. How to reduce costs and improve reliability and safety has become an urgent need for charging pile R & D and manufacturers to enhance their competitiveness. When an electric vehicle is charging, if a fault occurs, the power supply can be cut off by the relay of the charging device to abort the charging. However, due to mechanical shock and life attenuation, the relay may stick, resulting in the spread of faults.

[0003] In order to ensure the safe and stable operation of the charging device, it is necessary to detect its faults and analyze its status. However, in the existing structure, only the voltage fluctuation can be simply detected after connection, and the detection mode and detection state cannot be switched through an adjustment device. There is a need to propose a new system and method. Summary of the Invention

[0004] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a fault detection method, system and storage medium based on a charging device. By installing a control box inside the outer shell, the composite controller is connected to multiple modules, which can form a detection system, facilitating unified control of data and detection states. And by installing an adjustment device and a connection structure inside, the connection position can be switched to change the detection circuit, thereby switching the detection mode, with high adaptability, convenient control, conducive to accurate detection and alarm, and high adaptability.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] A fault detection method, system and storage medium based on a charging device, including an outer shell. One side inside the outer shell is fixedly connected with a control box. One side of the control box is fixedly connected with a socket. One end of the socket is provided with a jack. One end of the control box is electrically connected to a detection box. One side of the detection box is fixedly installed with a connector. One end inside the outer shell is fixedly installed with a connection seat. One end of the connection seat is fixedly connected with a detection head. One side inside the outer shell is fixedly connected with a display box. One side of the display box is fixedly installed with a display lamp. An adjustment device is fixedly installed at the middle position inside the outer shell. A connection structure is assembled on the side of the adjustment device. The connection structure is respectively connected to one side of the detection box, the connection seat and the display box;

[0007] The interior of the control box includes a controller, which is connected in parallel with an input module, a storage module, and a sending module through circuits. The sending module is connected in series with an alarm module through a circuit. The controller is connected in parallel with a detection module. The detection module is connected in parallel with a driving module, a coupling module, and a switch module through circuits. The driving module is connected in series with a driver through a circuit. The switch module is connected in parallel with a voltage module, a current module, and a protection module through circuits. The voltage module, the current module, and the protection module are connected in parallel with a connector module through circuits;

[0008] The detection method of this detection system includes the following steps:

[0009] S1. Connect the connector to the power transmission line through a wire for charging connection, and connect the detection head to the charging device through a wire. After making the circuit connection, start the detection;

[0010] S2. Insert the control device through the jack and input data to set the detection parameters, including detection voltage, current, temperature, and duration, for manual control;

[0011] S3. Receive and process data through control, so as to perform linkage control in combination with the detection module, and drive and control the adjustment device to rotate in combination with the driving module;

[0012] S4. Connect the detection box and the detection head through the adjustment device in combination with the connection structure, so as to connect the charging device and the power supply, and perform detection during the charging process;

[0013] S5. Detect the charging circuit in combination with the voltage module and the current module, and the protection module performs threshold limitation. After exceeding the set threshold, power-off protection is performed;

[0014] S6. During the detection process, display in combination with the display box and the display lamp. The green light is displayed during the normal detection process, and the red light is displayed after the power-off protection;

[0015] S7. After the detection is completed, send the data through the sending module, and alarm the detection result through the alarm module. When the value does not meet the manually set value, sound and light alarms are given, and the detection data and results are stored through the storage module.

[0016] Furthermore, a through hole is provided on one side of the outer surface of the outer shell. A transparent window is fixedly installed inside the through hole. The transparent window is opposite to one side of the adjustment structure. By installing the transparent window through the through hole, the adjustment position of the adjustment device can be observed, ensuring the accuracy of circuit adjustment control and facilitating operation and use.

[0017] Furthermore, the adjustment structure includes an adjustment motor and a rotating rod. The rotating rod is rotatably installed at one end of the adjustment motor. The adjustment motor is fixedly installed inside the outer shell.

[0018] Further, positioning rings are sleeved and installed at both ends of the rotating rod, and insulating rods are fixedly connected to the outer surfaces of the positioning rings.

[0019] Further, a conductive ring is fixedly connected to one end of the insulating rod, and an avoidance notch is provided on one side of the conductive ring. By installing the rotating rod with a motor and connecting the insulating rod and the conductive ring through the positioning ring, combined installation and positioning can be achieved, which is beneficial for rotational control to switch connection lines, convenient for adjusting the detection mode, highly efficient and stable, and has high adaptability.

[0020] Further, a positioning screw is threadedly installed on one side of the outer surface of the positioning ring, and the positioning screw is tightly connected to the outer surface of the rotating rod.

[0021] Further, the connection structure includes a vertical insulating rod, and conductive blocks are fixedly connected to the middle and end positions of the vertical insulating rod. By connecting the conductive blocks at both ends of the insulating rod, a positive and negative electrode circuit can be formed, which can avoid interference and short circuit, and is also beneficial for synchronous adjustment, with high adaptability.

[0022] Further, an arc surface is provided at one end of the conductive block, and the arc surface is slidably connected to one side surface of the conductive ring.

[0023] Further, a connection wire is fixedly connected to one end of the conductive block, and the connection wire is respectively connected in parallel to the inside of the detection box, the connection seat and the display box through a circuit. By providing the arc surface and the connection wire on the conductive block, the circuit can be respectively connected for power conduction, which is convenient for switching control, highly efficient and stable, and is beneficial for use.

[0024] Compared with the prior art, the advantages of the present invention are as follows:

[0025] (1) In this solution, a control box is installed inside the outer shell, so that the composite controller is connected to multiple modules, and a detection system can be formed, which is beneficial for unified control of data and detection status. And by installing an adjustment device and a connection structure inside, the connection position can be switched to change the detection circuit, so as to switch the detection mode, with high adaptability, convenient control, beneficial for accurate detection and alarm, and high adaptability.

[0026] (2) By installing a transparent window through the through hole, the adjustment position of the adjustment device can be observed, ensuring the accuracy of circuit adjustment control, and being beneficial for operation and use.

[0027] (3) By installing the rotating rod with a motor and connecting the insulating rod and the conductive ring through the positioning ring, combined installation and positioning can be achieved, which is beneficial for rotational control to switch connection lines, convenient for adjusting the detection mode, highly efficient and stable, and has high adaptability.

[0028] (4) By connecting conductive blocks at both ends of the insulating rod, a positive and negative electrode circuit can be formed, which can avoid interference and short circuits, and is also conducive to synchronous adjustment with high adaptability.

[0029] (5) By providing an arc surface and a connecting wire on the conductive block, the circuit can be connected respectively for power conduction, which is convenient for switching control, highly efficient and stable, and conducive to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 is an internal cross-sectional view of the planar structure of the present invention;

[0032] Figure 3 is a system principle block diagram of the present invention;

[0033] Figure 4 is a partial structural diagram of the connection between the rotating rod and the conductive ring of the present invention;

[0034] Figure 5 is a three-dimensional structural diagram of the connection of the conductive ring of the present invention;

[0035] Figure 6 is a partial schematic diagram of the connection of the conductive ring of the present invention;

[0036] Figure 7 is a structural usage diagram of the conductive block of the present invention.

[0037] Description of the reference numerals in the drawings:

[0038] 1 outer housing, 11 control box, 12 socket, 13 jack, 14 detection box, 15 connector, 16 connection seat, 17 detection head, 18 display box, 19 display lamp, 2 adjustment device, 21 connection structure, 22 controller, 23 input module, 24 storage module, 25 sending module, 26 alarm module, 3 detection module, 31 drive module, 32 coupling module, 33 switch module, 34 driver, 35 voltage module, 36 current module, 37 protection module, 38 joint module, 4 through hole, 41 transparent window, 42 adjustment motor, 43 rotating rod, 44 positioning ring, 45 insulating rod, 46 conductive ring, 47 avoidance notch, 48 positioning screw, 5 vertical insulating rod, 51 conductive block, 52 arc surface, 53 connecting wire. DETAILED DESCRIPTION OF THE INVENTION

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0040] Please refer to Figure 1-7 , a fault detection method, system and storage medium based on a charging device, including a housing 1. On one side inside the housing 1, a control box 11 is fixedly connected. On one side of the control box 11, a socket 12 is fixedly connected. One end of the socket 12 is provided with a jack 13. One end of the control box 11 is electrically connected to a detection box 14 through a circuit. On one side of the detection box 14, a connector 15 is fixedly installed. At one end inside the housing 1, a connection seat 16 is fixedly installed. One end of the connection seat 16 is fixedly connected to a detection head 17. On one side inside the housing 1, a display box 18 is fixedly connected. On one side of the display box 18, a display lamp 19 is fixedly installed. At the middle position inside the housing 1, an adjustment device 2 is fixedly installed. On the side of the adjustment device 2, a connection structure 21 is assembled. The connection structure 21 is respectively connected to one side of the detection box 14, the connection seat 16 and the display box 18;

[0041] Inside the control box 11, there is a controller 22. The controller 22 is connected in parallel through a circuit with an input module 23, a storage module 24 and a sending module 25. The sending module 25 is connected in series through a circuit with an alarm module 26. The controller 22 is connected in parallel with a detection module 3. The detection module 3 is connected in parallel through a circuit with a driving module 31, a coupling module 32 and a switch module 33. The driving module 31 is connected in series through a circuit with a driver 34. The switch module 33 is connected in parallel through a circuit with a voltage module 35, a current module 36 and a protection module 37. The voltage module 35, the current module 36 and the protection module 37 are connected in parallel through a circuit with a joint module 38;

[0042] The detection method of this detection system includes the following steps:

[0043] S1. Connect the connector 15 to the power transmission line through a wire for charging connection. Connect the detection head 17 to the charging device through a wire. After making a circuit connection, start the detection;

[0044] S2. Insert a control device through the jack 13 and input data to set detection parameters, including detection voltage, current, temperature, and duration, for manual control;

[0045] S3. Receive and process data through the controller 22, thereby performing linkage control in combination with the detection module, and driving the adjustment device to perform rotational control in combination with the driving module;

[0046] S4. Connect the detection box 14 and the detection head 17 through the adjustment device 2 in combination with the connection structure 21, so as to connect the charging device and the power supply and perform detection during the charging process;

[0047] S5. Detect the charging circuit in combination with the voltage module 35 and the current module 36, and the protection module 37 performs threshold limitation, and power-off protection is performed after exceeding the set threshold;

[0048] S6. During the detection process, display in combination with the display box 18 and the display lamp 19. The green light is displayed during the normal detection process, and the red light is displayed after the power-off protection;

[0049] S7. After the detection is completed, the data is sent through the sending module 25, and an alarm is made for the detection result through the alarm module 26. When the value does not meet the manually set value, an audible and visual alarm is made, and the detection data and results are stored through the storage module 24.

[0050] Please refer to Figure 1 and Figure 2 , a through hole 4 is provided on one side of the outer surface of the outer housing 1, and a transparent window 41 is fixedly installed inside the through hole 4. The transparent window 41 is located on one side of the adjustment structure 2. By installing the transparent window through the through hole, the adjustment position of the adjustment device can be observed, ensuring the accuracy of circuit adjustment control and facilitating operation and use.

[0051] Please refer to Figure 4 , Figure 5 and Figure 6 , the adjustment structure 2 includes an adjustment motor 42 and a rotating rod 43. The rotating rod 43 is rotatably installed at one end of the adjustment motor 42. The adjustment motor 42 is fixedly installed inside the outer housing 1. Positioning rings 44 are sleeved at both ends of the rotating rod 43. An insulating rod 45 is fixedly connected to the outer surface of the positioning ring 44. One end of the insulating rod 45 is fixedly connected to a conductive ring 46. An avoidance notch 47 is provided on one side of the conductive ring 46. By installing the rotating rod through the motor and connecting the insulating rod and the conductive ring in combination with the positioning ring, it can be assembled and positioned, which is conducive to rotational control to switch the connection line, convenient for adjusting the detection mode, highly efficient and stable, and has high adaptability.

[0052] A positioning screw 48 is threadedly installed on one side of the outer surface of the positioning ring 44, and the positioning screw 48 is tightly connected to the outer surface of the rotating rod 43.

[0053] Please refer to Figure 2 and Figure 7, the connection structure 21 includes a vertical insulating rod 5. Conductive blocks 51 are fixedly connected to both the middle and the end of the vertical insulating rod 5. By connecting the conductive blocks at both ends of the insulating rod, a positive and negative electrode circuit can be formed, which can avoid interference and short circuit, and is also conducive to synchronous adjustment with high adaptability. An arc surface 52 is provided at one end of the conductive block 51, and the arc surface 52 is slidably connected to one side surface of the conductive ring 46. A connection wire 53 is fixedly connected to one end of the conductive block 51, and the connection wire 53 is respectively connected in parallel to the inside of the detection box 14, the connection seat 16, and the display box 18 through circuits. By providing the arc surface and the connection wire on the conductive block, the circuits can be respectively connected for power conduction, which is convenient for switching control, efficient and stable, and conducive to use. When the conductive ring 46 rotates and adjusts inside the arc surface 52, it can stably contact the conductive block 51, thereby connecting the circuit. By connecting through the connection wire 53, a parallel circuit can be formed, so that unified adjustment and control can be achieved, which is convenient and efficient. During the rotation and adjustment process, the driving motor 42 drives the rotating rod 43 to rotate, which can drive the conductive ring 46 to rotate, and then the connection position can be switched. Aligning the avoidance notch 47 to the position of the display box 18 can separately connect the detection box 14 and the connection seat 17 for direct detection. Aligning the avoidance notch 47 to the transparent window 41 can achieve parallel control. Aligning the avoidance notch 47 to the detector 14 can disconnect the connection, which is convenient for switching to different connection modes with high adaptability. After disconnecting the connection, the charging device can be directly connected to the display box 18 to detect the fault of reverse power supply, and then combined with the display lamp 19 for display, which is convenient for adjustment and use with high adaptability.

[0054] The above is only a preferred specific embodiment of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and all should be covered by the protection scope of the present invention.

Claims

1. A fault detection system based on a charging device, comprising an outer shell (1), characterized in that: A control box (11) is fixedly connected to one side of the inner part of the outer shell (1), a socket (12) is fixedly connected to one side of the control box (11), a jack (13) is provided at one end of the socket (12), a detection box (14) is connected to one end of the control box (11) through a circuit, a connector (15) is fixedly installed on one side of the detection box (14), a connection seat (16) is fixedly installed to one end of the inner part of the outer shell (1), a detection head (17) is fixedly connected to one end of the connection seat (16), a display box (18) is fixedly connected to one side of the display box (18), a display light (19) is fixedly installed on one side of the display box (18), an adjustment device (2) is fixedly installed at the middle position of the inner part of the outer shell (1), a connection structure (21) is installed on the side of the adjustment device (2), and the connection structure (21) is respectively connected to one side of the detection box (14), the connection seat (16) and the display box (18); The control box (11) comprises a controller (22) inside, the controller (22) is connected in parallel with an input module (23), a storage module (24) and a sending module (25) through a circuit, the sending module (25) is connected in series with an alarm module (26) through a circuit, the controller (22) is connected in parallel with a detection module (3), the detection module (3) is connected in parallel with a drive module (31), a coupling module (32) and a switch module (33) through a circuit, the drive module (31) is connected in series with a driver (34) through a circuit, the switch module (33) is connected in parallel with a voltage module (35), a current module (36) and a protection module (37) through a circuit, and the voltage module (35), the current module (36) and the protection module (37) are connected in parallel with a connector module (38) through a circuit; The detection method of the detection system comprises the following steps: S1, connecting the connector (15) to the transmission line through wires to perform charging connection, connecting the detection head (17) to the charging device through wires, and starting detection after the circuit connection is completed; S2, insert the control device through the jack (13), and input data to set the detection parameters, including detection voltage, current, temperature, and duration, for manual control; S3, receiving and processing data through control (22), thereby combining with the detection module to perform linkage control, and combining with the driving module to drive the adjustment device to perform rotation control; S4, connecting the detection box (14) and the detection head (17) by combining the adjustment device (2) with the connection structure (21) to make a circuit connection, thereby connecting the charging device and the power source, and performing detection during the charging process; S5, combining the voltage module (35) and the current module (36) to detect the charging circuit, and the protection module (37) sets a threshold value, and performs power-off protection when the threshold value is exceeded; S6, during the detection process, the display box (18) and the display light (19) are combined to display, a green light is displayed during normal detection, and a red light is displayed after power-off protection; S7. After the detection is completed, the data is sent through the sending module (25), and the detection result is alarmed through the alarm module (26). When it does not meet the manually set value, an audible and visual alarm is issued, and the detection data and results are stored through the storage module (24).

2. A fault detection system based on charging equipment according to claim 1, characterized in that: A through hole (4) is provided on one side of the outer surface of the outer shell (1), a transparent window (41) is fixedly installed inside the through hole (4), and the transparent window (41) is located opposite to one side of the adjustment structure (2).

3. A fault detection system based on charging equipment according to claim 1, characterized in that: The adjustment structure (2) comprises an adjustment motor (42) and a rotating rod (43); the rotating rod (43) is rotatably mounted on one end of the adjustment motor (42); and the adjustment motor (42) is fixedly mounted inside the outer shell (1).

4. A fault detection system based on charging equipment according to claim 3, characterized in that: Positioning rings (44) are sleeved and installed at both ends of the rotating rod (43), and an insulating rod (45) is fixedly connected to the outer surface of the positioning ring (44).

5. A fault detection system based on charging equipment according to claim 4, characterized in that: One end of the insulating rod (45) is fixedly connected to a conductive ring (46), and one side of the conductive ring (46) is provided with an avoidance notch (47).

6. A fault detection system based on charging equipment according to claim 4, characterized in that: A positioning screw (48) is threadedly mounted on one side of the outer surface of the positioning ring (44), and the positioning screw (48) is tightly connected to the outer surface of the rotating rod (43).

7. A fault detection system based on charging equipment according to claim 1, characterized in that: The connection structure (21) comprises a vertical insulating rod (5), and conductive blocks (51) are fixedly connected to the middle and end positions of the vertical insulating rod (5).

8. A fault detection system based on charging equipment according to claim 7, characterized in that: An arcuate surface (52) is provided at one end of the conductive block (51), and the arcuate surface (52) is slidably connected to a side surface of the conductive ring (46).

9. A fault detection system based on charging equipment according to claim 7, characterized in that: One end of the conductive block (51) is fixedly connected to a connecting wire (53), and the connecting wire (53) is respectively connected in parallel to the inside of the detection box (14), the connecting seat (16) and the display box (18) through a circuit.

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