Novel safety protection device for lead-acid charging port with cover

Abstract

The utility model provides a novel lead-acid charging port safety protection device with a cover, which relates to the technical field of battery chargers, and comprises a charging wire main body and a charging head main body, the top surface of the charging head main body is provided with a recovery groove, one end in the recovery groove is provided with a damping rotating shaft, and the surface of the damping rotating shaft is coupled with a monitoring early warning device. The top surface of the monitoring early warning device is in shaft connection with a monitoring probe, the front surface of the monitoring early warning device is provided with a display panel, one end of the charging head main body is connected with a battery joint, the battery joint is internally provided with a connecting contact, the monitoring early warning device is rotated to be opened during charging, and the surrounding of a charging environment is monitored through the monitoring probe; according to the charging head, the charging state is monitored, the monitoring picture and the charging state are displayed and recorded through the display panel, the charging process is controlled through the display panel, and when the charging head body is directly pulled out, early warning is carried out through the loudspeaker, so that the charging environment is conveniently monitored and recorded, and the safety of the charging environment is improved; and the charging head main body is prevented from being maliciously plugged and unplugged to interfere with charging.

Description

Technical Field

[0001] The utility model relates to the technical field of battery chargers, in particular to a novel safety protection device for a lead-acid charging port with a cover. Background Art

[0002] According to a safety protection device for a charging port of an electric vehicle charging pile disclosed in China Publication No. CN103163805A, the device includes a housing, a stepper motor, a door, a gear, a rack, a guide plate, an infrared reflection type proximity switch sensor, a Hall sensor, a magnet and a single-chip control circuit; the housing and the guide plate are fixed on the inner wall of the charging pile, the housing is provided with a straight opening matched with the guide plate to form a guide mechanism, and the door is placed in the guide mechanism; a gear is provided on the shaft of the stepper motor, and a rack matched with the gear is provided on the door; two infrared reflection type proximity switch sensors are provided on the inner wall of the charging pile, respectively used to detect whether the door is fully opened or fully closed; a magnet is provided on the outer end face edge of the gear, and a Hall sensor is provided at the corresponding position; the infrared reflection type proximity switch sensor, the Hall sensor, and the stepper motor are respectively connected to the corresponding ports of the single-chip control circuit. The safety protection device is not only safe and reliable, but also has low energy consumption, simple structure, and convenient operation.

[0003] The above patent documents and prior art have the following technical problems: when the charging head is connected to the car for charging, there is a lack of effective safety protection measures, especially in open environments such as public charging stations, the charging interface is vulnerable to malicious damage or improper operation, resulting in low charging efficiency and increased safety hazards. In addition, most traditional charging equipment lacks real-time monitoring and early warning functions, making it difficult to detect and deal with potential safety issues in a timely manner. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that the charging interface cannot be monitored and warned and has low safety, and to propose a new lead-acid charging port safety protection device with a cover.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a new type of covered lead-acid charging port safety protection device, comprising a charging cable body and a charging head body, a recovery groove is opened on the top surface of the charging head body, a damping shaft is provided at one end inside the recovery groove, a monitoring and early warning device is axially connected to the surface of the damping shaft, a monitoring probe is axially connected to the top surface of the monitoring and early warning device, a display panel is provided on the front of the monitoring and early warning device, a battery connector is connected to one end of the charging head body, a connecting contact is provided inside the battery connector, and the connecting contact is electrically connected to the monitoring and early warning device.

[0006] Preferably, one end of the charging cable body away from the battery connector is connected to the end of the charging cable body, and the recovery groove is a blind groove.

[0007] Preferably, a limiting finger groove is provided on the side of the top of the monitoring alarm close to the display panel, and the limiting finger groove is a blind groove, and the cross-section of the limiting finger groove is arc-shaped.

[0008] Preferably, a control mainboard is provided inside the monitoring warning device, the control mainboard is electrically connected to the connection contacts, and the control mainboard is electrically connected to the monitoring probe and the display panel.

[0009] Preferably, both sides of the monitoring warning device abut against the inner wall of the recovery slot, and when one side of the display panel of the monitoring warning device abuts against the recovery slot, the top surface is coplanar with the top surface of the charging head body.

[0010] Preferably, a speaker is provided on a surface of the monitoring warning device away from the display panel, and the speaker is electrically connected to the control mainboard.

[0011] Preferably, the outer surface edges of the charging head body are all rounded, and the outer surface edges of the monitoring alarm are all rounded.

[0012] Beneficial Effects

[0013] In the utility model, a recovery groove is provided on the top surface of the charging head body to recover and install the monitoring warning device, so that when the charging head body is charging the car through the battery connector, the monitoring warning device is rotated to open, and the surrounding charging environment is monitored through the monitoring probe on the surface, and the monitoring screen and charging status are displayed and recorded through the display panel. The charging process is controlled through the display panel, and when the charging head body is directly unplugged, an early warning is issued through the speaker, which is convenient for monitoring and recording the charging environment, improves the safety of the charging environment, prevents the charging head body from being maliciously unplugged and interfered with charging, and increases the safety of the charging port. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0015] Figure 2 It is a structural diagram of the internal part of the utility model;

[0016] Figure 3 This is a folding structure diagram of the utility model;

[0017] Figure 4 It is a folded top view of the utility model;

[0018] Figure 5 This is a structural diagram of the main part of the charging head of the utility model.

[0019] Legend:

[0020] 1. Charging cable body; 2. Charging head body; 3. Battery connector; 4. Connection contacts; 5. Recovery slot; 6. Monitoring alarm; 7. Damping shaft; 8. Display panel; 9. Speaker; 10. Monitoring probe; 11. Control main board; 12. Limit finger slot. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0022] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings. Specific embodiment one:

[0024] Reference Figure 1-5 A new type of lead-acid charging port safety protection device with a cover comprises a charging cable body 1 and a charging head body 2. A recovery groove 5 is provided on the top surface of the charging head body 2. One end of the charging cable body 1 away from the battery connector 3 is connected to the end of the charging cable body 1. The recovery groove 5 is a blind groove. One end of the charging head body 2 is connected to the battery connector 3. The battery connector 3 is provided with a connecting contact 4 inside. In actual use, the charging head body 2 is connected to an external power supply station or power supply battery through the charging cable body 1 to connect the vehicle. After the battery connector 3 is inserted into the charging interface of the vehicle, the connecting contact 4 is connected to the built-in terminal of the charging interface of the vehicle to realize the connection of the line, which is convenient for the passage of current, and the vehicle is charged through the charging cable body 1 and the charging head body 2.

[0025] During charging, in order to increase the safety of the entire device, a damping shaft 7 is provided at one end of the recovery slot 5, a monitoring warning device 6 is axially connected to the surface of the damping shaft 7, a monitoring probe 10 is axially connected to the top surface of the monitoring warning device 6, a display panel 8 is provided on the front of the monitoring warning device 6, the connecting contact 4 is electrically connected to the monitoring warning device 6, and a recovery slot 5 is provided on the top surface of the charging head body 2 to recover and install the monitoring warning device 6, so that when the charging head body 2 charges the car through the battery connector 3, the monitoring warning device 6 is rotated open, and the surrounding charging environment is monitored through the monitoring probe 10 on the surface, and the monitoring screen and charging status are displayed and recorded through the display panel 8, and the charging process is controlled through the display panel 8. When the charging head body 2 is directly unplugged, an early warning is issued through the speaker 9, which is convenient for monitoring and recording the charging environment, improving the safety of the charging environment, preventing the charging head body 2 from being maliciously unplugged and interfering with charging, and increasing the safety of the charging port.

[0026] The other limiting structure of the entire monitoring warning device 6 is that a limiting finger groove 12 is provided on the side of the top of the monitoring warning device 6 close to the display panel 8, and the limiting finger groove 12 is a blind groove, and the cross-section of the limiting finger groove 12 is an arc. By setting the limiting finger groove 12, after the entire monitoring warning device 6 is recovered in the recovery slot 5, since the two sides of the monitoring warning device 6 are against the inner wall of the recovery slot 5, and the top surface of one side of the display panel 8 of the monitoring warning device 6 is coplanar with the top surface of the charging head body 2 when it is against the recovery slot 5, the limiting finger groove 12 can facilitate the user to insert the index finger and middle finger into the recovery slot 5 and then bend it, and apply force to the monitoring warning device 6 through the limiting finger groove 12, so that the monitoring warning device 6 is convenient to rotate and open from the inside of the recovery slot 5. For environmental monitoring, a control mainboard 11 is provided inside the monitoring and early warning device 6, and the control mainboard 11 is electrically connected to the connection contact 4, and the control mainboard 11 is electrically connected to the monitoring probe 10 and the display panel 8. A speaker 9 is provided on the side of the monitoring and early warning device 6 away from the display panel 8, and the speaker 9 is electrically connected to the control mainboard 11. The edges of the outer surface of the charging head body 2 are all rounded, and the edges of the surface of the monitoring and early warning device 6 are all rounded. The operation of the entire monitoring and early warning device 6 is controlled by the control mainboard 11, the information of the monitoring probe 10 is returned, and displayed through the display panel 8, and an early warning is issued through the speaker 9. The information data transmission and control of the entire monitoring and early warning device 6 are controlled by the control mainboard 11. Specific embodiment 2:

[0028] Reference Figure 1-5 According to the contents in the above specific embodiments, the following contents are further disclosed:

[0029] The monitoring and warning device 6 captures images of the charging environment and possible abnormal conditions such as abnormal temperature, excessive humidity, approaching foreign objects, etc. in real time through the built-in monitoring probe 10. When potential danger or abnormal conditions are detected, the monitoring and warning device 6 will immediately start the warning program. First, a visual warning is issued to the user through the warning light or text prompt on the display panel 8; at the same time, the built-in speaker 9 of the monitoring and warning device 6 will sound an alarm to attract the attention of people around. In addition, the monitoring and warning device 6 also has a remote communication function, which needs to be coordinated with the corresponding remote monitoring system. The warning information can be sent to the owner's mobile phone or monitoring center in real time to achieve remote monitoring and immediate response.

[0030] The monitoring warning device 6 not only has the warning function, but also undertakes comprehensive monitoring tasks. Its monitoring probe 10 uses a high-definition camera, which can clearly capture every detail of the charging process, including the plug-in status of the charging interface, subtle changes in the surrounding environment, etc. All monitoring images are recorded in real time and stored in the built-in memory of the monitoring warning device 6. Users can play back and view them through the display panel 8, or access historical monitoring records through the remote system. This function is of great significance for analyzing the causes of charging accidents and tracing malicious sabotage behaviors.

[0031] Details of information transmission between the connection point 4 and the monitoring alarm 6

[0032] The connection contact 4 serves as an electrical connection bridge between the battery connector 3 and the monitoring and warning device 6, and is responsible for transmitting power and data signals. When the charging head body 2 is docked with the vehicle battery interface, the connection contact 4 first establishes a physical connection, and then activates the monitoring and warning device 6 through an electrical signal. The control motherboard 11 inside the monitoring and warning device 6 receives power supply from the vehicle battery through the connection contact 4, and simultaneously establishes a data communication link. This link supports two-way data transmission: on the one hand, the monitoring and warning device 6 transmits the monitored charging status, environmental parameters and other information to the vehicle battery management system BMS or remote monitoring system through the connection contact 4; on the other hand, the BMS or remote system can also send control instructions to the monitoring and warning device 6 through the connection contact 4, such as adjusting the monitoring sensitivity, starting / stopping the warning, etc.

[0033] In actual use, the control mainboard 11 has at least the following module contents:

[0034] The control mainboard 11 is the core control unit of the monitoring alarm 6. It integrates a variety of electronic components and circuits, and is uniformly managed and coordinated by core processors such as a microprocessor MCU or a digital signal processor DSP. The overall layout of the mainboard is compact, and the components are arranged in an orderly manner to ensure the stability and efficiency of signal transmission.

[0035] Main components

[0036] Core processor CPU / MCU / DSP: As the brain of the control motherboard 11, it is responsible for receiving and processing data signals from input devices such as monitoring probes 10 and connection contacts 4, executing preset algorithms and programs, analyzing and judging monitoring data to trigger early warnings or execute other control instructions, and communicating and exchanging data with other functional modules such as display panel 8, speaker 9, communication module, etc.

[0037] Storage module: includes ROM read-only memory for storing firmware programs and basic parameters; RAM random access memory for temporarily storing data and instructions during processing. Some high-end models may also contain non-volatile memory such as EEPROM or Flash for storing important information such as monitoring records and configuration parameters.

[0038] Input / output interface I / O interface: provides connection interfaces with external devices such as monitoring probes 10, connection contacts 4, display panels 8, speakers 9, etc., including analog signal interfaces such as ADC for receiving analog monitoring signals, digital signal interfaces such as GPIO for controlling external devices, and communication interfaces such as UART, SPI, I2C, etc. for communicating with other modules or external devices.

[0039] Power management module: responsible for converting external power, such as power obtained from a charging port or an independent power supply, into the stable voltage and current required by the electronic components on the control motherboard 11. It may include voltage conversion circuits, current protection circuits, battery management circuits, etc. to ensure the stability and safety of the power supply.

[0040] Communication module: supports remote communication functions, such as sending monitoring data and warning information to the remote monitoring center or the owner's mobile phone through wireless communication technologies such as Wi-Fi, Bluetooth, Zigbee, etc., and includes wired communication interfaces such as RS-232, RS-485, Ethernet, etc., to facilitate wired connection and data exchange with specific devices or systems.

[0041] Warning processing module: According to the analysis results of the core processor, it controls the speaker 9 to sound an alarm, drives the display panel 8 to display warning information or flash indicator lights, etc., including an emergency power-off circuit, which is used to cut off the charging circuit in serious abnormal situations to protect the safety of the vehicle and equipment.

[0042] Display driver module: drives the display panel 8 such as LCD or LED display to display monitoring images, charging status, warning information, etc., and is responsible for converting the image or text data output by the core processor into a signal format that can be recognized by the display panel 8 and displaying it.

[0043] Environmental sensing module: Integrates environmental sensing elements such as temperature sensors and humidity sensors to monitor the temperature, humidity and other parameters of the charging environment in real time.

[0044] Positioning module: such as GPS or Beidou positioning module, used to record the geographic location information of the charging device.

[0045] Encryption and authentication module: provides data encryption and identity authentication functions to ensure the security of data transmission.

[0046] In summary, the structural design of the control mainboard 11 highly integrates a variety of electronic components and circuits, and realizes the warning and monitoring functions of the monitoring alarm 6 through reasonable layout and careful design. Specific embodiment three:

[0048] Reference Figure 1-5 ,Based on the contents in the above specific embodiments, the following contents are further disclosed:.

[0049] During the charging process of an electric vehicle, the charging cable body 1, the charging head body 2, the battery connector 3 and the connection contacts 4 work together to ensure that the electric vehicle can be charged safely and effectively. The following is a detailed description of how these components connect to the electric vehicle charging interface and charge:

[0050] Charging cable body 1: As the main channel for power transmission, the charging cable body 1 connects the charging device and the charging interface of the electric vehicle. It is usually made of abrasion-resistant and high-temperature-resistant insulating materials and contains multiple wires inside to transmit power and signals;

[0051] Charging head body 2: located at the end of the charging cable body 1, directly connected to the charging port of the electric vehicle. The charging head body 2 may include an indicator light, a locking mechanism, etc. to ensure a stable and safe connection;

[0052] Battery connector 3: located at the end of the charging head body 2, it is a key component for connecting the battery system of the electric vehicle. It usually includes a plurality of connection contacts 4, which are used to connect with the corresponding contacts on the charging interface of the electric vehicle to realize the transmission of electric energy;

[0053] Connection contacts 4: Located on the battery connector 3 and the electric vehicle charging port, they are the physical medium for the transmission of power and signals. They need to fit tightly and have good contact to ensure the efficiency and safety of the charging process.

[0054] Connection and charging process:

[0055] Make sure the electric vehicle is parked in a safe charging area, turn off the vehicle power, and check whether the charging equipment including the charging cable body 1 and the charging head body 2 are intact and free of safety hazards such as leakage and short circuit;

[0056] Place the charging head body 2 close to the charging port of the electric vehicle, ensure that the positions and directions of the two are correctly aligned, and gently insert the charging head body 2 into the charging port of the electric vehicle until you hear a "click" sound or feel that the locking mechanism is locked, indicating that the connection is successful. The battery connector 3 on the charging head body 2 fits tightly with the connection contact 4 on the charging port of the electric vehicle to form a circuit path.

[0057] Start the charging device such as a charging pile or a portable charger, select the appropriate charging mode and parameters according to the charging needs of the electric vehicle, the charging device transmits electric energy to the battery system of the electric vehicle through the charging cable body 1, and the electric energy enters the battery pack of the electric vehicle through the connection contact 4 for charging. During the charging process, the charging device may monitor the battery status, charging current, charging voltage and other parameters in real time, and adjust them as needed to ensure the safety and efficiency of the charging process. When the battery is full or reaches the preset charging amount, the charging device will automatically stop charging or send a prompt signal, and the user can confirm whether the charging is completed according to the prompt signal or the display information of the charging device;

[0058] After charging is completed, turn off the power of the charging device first. If it supports automatic power-off, no operation is required. Then gently press the unlock button on the charging head body 2 or push the locking mechanism to release the charging head body 2, unplug the charging head body 2 from the charging port of the electric vehicle, and properly store the charging device and the charging cable body 1.

[0059] In summary:

[0060] A recovery slot 5 is provided on the top surface of the charging head body 2 to recover and install the monitoring warning device 6, so that when the charging head body 2 charges the car through the battery connector 3, the monitoring warning device 6 is rotated to open, and the surrounding charging environment is monitored through the monitoring probe 10 on the surface, and the monitoring screen and charging status are displayed and recorded through the display panel 8. The charging process is controlled through the display panel 8. When the charging head body 2 is directly unplugged, an early warning is issued through the speaker 9, which is convenient for monitoring and recording the charging environment, improving the safety of the charging environment, preventing the charging head body 2 from being maliciously unplugged and interfering with charging, and increasing the safety of the charging port.

[0061] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0062] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel lead-acid charging port safety protection device with a cover, comprising a charging cable body (1) and a charging head body (2), characterized in that: The top surface of the charging head body (2) is provided with a recovery groove (5), one end of the recovery groove (5) is provided with a damping shaft (7), the surface of the damping shaft (7) is axially connected with a monitoring and early warning device (6), the top surface of the monitoring and early warning device (6) is axially connected with a monitoring probe (10), the front of the monitoring and early warning device (6) is provided with a display panel (8), one end of the charging head body (2) is connected with a battery connector (3), a connection contact (4) is provided inside the battery connector (3), and the connection contact (4) is electrically connected to the monitoring and early warning device (6).

2. A novel safety protection device for lead-acid charging port with cover according to claim 1, characterized in that: One end of the charging cable body (1) away from the battery connector (3) is connected to the end of the charging cable body (1), and the recovery groove (5) is a blind groove.

3. A novel safety protection device for lead-acid charging port with cover according to claim 1, characterized in that: A limit finger groove (12) is provided on the side of the top of the monitoring warning device (6) close to the display panel (8), and the limit finger groove (12) is a blind groove, and the cross section of the limit finger groove (12) is arc-shaped.

4. A novel safety protection device for lead-acid charging port with cover according to claim 1, characterized in that: The monitoring warning device (6) is internally provided with a control mainboard (11), the control mainboard (11) is electrically connected to the connection contact (4), and the control mainboard (11) is electrically connected to the monitoring probe (10) and the display panel (8).

5. A novel safety protection device for lead-acid charging port with cover according to claim 1, characterized in that: Both sides of the monitoring warning device (6) abut against the inner wall of the recovery slot (5), and when one side of the display panel (8) of the monitoring warning device (6) abuts against the recovery slot (5), the top surface is coplanar with the top surface of the charging head body (2).

6. A novel safety protection device for lead-acid charging port with cover according to claim 4, characterized in that: A speaker (9) is provided on a surface of the monitoring warning device (6) which is away from the display panel (8), and the speaker (9) is electrically connected to the control mainboard (11).

7. A novel safety protection device for lead-acid charging port with cover according to claim 1, characterized in that: The outer edges of the charging head body (2) are all rounded, and the outer edges of the monitoring warning device (6) are all rounded.

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