A charging docking pile and a docking method suitable for multiple scenes

Abstract

This invention discloses a charging pile and docking method adaptable to multiple scenarios, relating to the technical field of charging equipment for electric vehicles. The charging pile includes a housing and at least one set of charging docking structures. Each set of charging docking structures includes: a socket plate forming an annular groove with the front panel; an annular component placed in the annular groove; a socket covering the rear end face of the annular component, such that the rear side of the front panel, the inner side wall of the annular component, the connector, and the socket together enclose a docking cavity; a connecting plate with a gap between it and the front panel, forming an air inlet duct, which contains a desiccant; and an air outlet equipped with a miniature fan. This invention sets a continuous drying airflow path in the docking cavity, eliminating residual moisture in the docking cavity and on the plug itself through targeted continuous drying. It can stably and rapidly reduce the humidity of the contact interface below the corrosion critical point before power-on, improving its versatility across multiple scenarios, from dry areas to the rainy season.

Description

Technical Field

[0001] This invention relates to the field of charging equipment technology for electric bicycles, and in particular to a charging docking station and docking method adapted to multiple scenarios. Background Technology

[0002] With the increasing popularity of small electric vehicles such as electric bicycles and e-bikes, the demand for supporting public charging facilities has surged. Currently, most mainstream charging stations are wall-mounted or pole-mounted, with multiple AC sockets on the casing, allowing users to charge their devices using their own chargers. However, this design suffers from poor adaptability to various environmental scenarios, particularly posing serious risks to long-term reliability.

[0003] Charging stations operate outdoors year-round, facing vastly different climates including dryness, rain, fog, the plum rain season, and high salinity. During the plum rain season or in humid coastal areas, air humidity can consistently remain above 80% RH. Existing open-type socket structures cannot isolate humid air, causing a continuous film of water to adhere to the metal contact surfaces. This leads to a hidden yet highly dangerous technical problem: electrolytic corrosion of the contacts caused by microcurrents. Specifically, when a charging plug carrying ambient moisture is inserted into the socket, even before power is applied, a tiny conductive path forms between the two metal contacts through a thin film of water. This microcurrent, though small, is sufficient to trigger an electrolytic reaction, continuously and slowly corroding the contact metal, causing surface oxidation and roughening. This process is gradual and irreversible, directly resulting in an exponential increase in contact resistance. When a user performs normal high-current charging, this abnormally increased contact resistance will cause severe localized overheating of the contacts. This can accelerate material aging, cause deformation of plastic components, or even lead to fires, posing a serious safety hazard. Summary of the Invention

[0004] To address the aforementioned issues, this invention provides a charging docking station and docking method adaptable to multiple scenarios. Before the charging plug and socket contacts complete the electrical connection, a docking cavity with an active circulating drying air duct is constructed to effectively remove moisture from the charging plug, thereby improving the long-term durability and safety of the charging interface in various scenarios.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A charging docking station adaptable to multiple scenarios includes a housing and at least one set of charging docking structures disposed on the front panel of the housing, each set of the charging docking structures including:

[0007] The socket plate has its left and right sides fixed to the front panel by connectors, and an annular groove is formed between the socket plate and the front panel.

[0008] An annular component is placed in the annular groove, with its front end face flush with the front panel. The annular component extends backward in the thickness direction of the front panel and has a notch corresponding to the connector.

[0009] The socket has a cover plate extending radially outward. The cover plate covers the rear end face of the annular component, so that the rear side of the front panel, the inner side wall of the annular component, the connector, and the socket together enclose a mating cavity.

[0010] A connecting plate with a gap between it and the front panel. The left and right sides of the connecting plate are attached to the front panel, and the bottom side is attached to the outer wall of the annular part. The outer wall of the annular part is provided with an air inlet that radially penetrates through the gap, so that the top side of the connecting plate, the gap between the connecting plate and the front panel, and the air inlet constitute the air inlet channel of the docking cavity. The air inlet channel is provided with a desiccant.

[0011] An air outlet is provided on the cover plate and is located away from the air inlet, so that the dry air entering from the air inlet flows through the middle of the docking cavity and then flows out through the air outlet. A miniature fan is provided on the air outlet.

[0012] This technical solution sets up a continuous drying airflow path in the docking cavity. This continuous drying airflow path acts directly on the contact interface that may cause micro-current corrosion, concentrating the drying efficiency in the docking cavity for release. The volume of gas processed is small and the airflow path is short, so the efficiency is high. The desiccant in the air inlet provides continuous drying capability that is independent of the humidity of the external environment. By targeting and continuously drying, residual moisture in the docking cavity and on the plug itself is eliminated, thereby ensuring that the humidity of the contact interface can be stably and rapidly reduced to below the corrosion critical point before power-on, regardless of whether it is a dry season or a humid rainy season. This improves the versatility of the solution across multiple scenarios, from dry areas to the rainy season.

[0013] As a further improvement of the present invention: the air inlet duct is open from the air inlet towards the top end of the connecting plate, the bottom end of the connecting plate is adapted to the curvature of the outer wall of the annular component, and the air inlet is provided with a filter to prevent desiccant particles from entering the docking cavity. The air inlet duct of this improved solution is open, facilitating air circulation and desiccant maintenance, and the filter at the air inlet prevents solid desiccant substances from entering the docking cavity.

[0014] As a further improvement of the present invention: the rear end face of the connector is provided with a first buckle, and the cover plate is provided with a first slot corresponding to the position of the first buckle. The first buckle and the first slot realize the first-stage axial locking of the charging docking structure, realizing the quick and stable installation and disassembly of the socket, which facilitates production and maintenance.

[0015] As a further improvement of the present invention: the sidewall of the annular component is provided with second slots on the upper and lower sides, and the outer edge of the cover plate is provided with a second buckle corresponding to the position of the second slot. The second buckle and the second slot realize the second-stage axial locking of the charging docking structure, ensuring that the continuous dry airflow in the docking cavity flows through the set path, and at the same time further fixing the annular component to prevent it from loosening or rotating.

[0016] As a further improvement of the present invention: an LED light strip is embedded in the front end face of the annular component, and the LED light strip is used to display different colors and lighting patterns according to different working states of the charging pile. The LED light strip embedded in the front end face of the annular component intuitively conveys the system status to the user through changes in color and lighting patterns.

[0017] As a further improvement of the present invention: a humidity sensor is provided inside the docking cavity. The humidity sensor is installed inside the docking cavity to directly monitor the absolute humidity inside the docking cavity.

[0018] On the other hand, the present invention also provides a docking method, which utilizes a charging docking station adapted to multiple scenarios as described above to perform the following steps:

[0019] S1. Obtain a charging plug insertion signal, wherein the charging plug insertion signal is triggered by an infrared photoelectric sensor or a capacitive proximity sensor located in the docking cavity when an object is detected entering the docking cavity at a preset depth.

[0020] S2. Start the micro fan to obtain the initial humidity value H0 in the docking cavity as an environmental reference, and then use high-frequency sampling to record the real-time humidity value H during the identification window period after startup. n The change in humidity forms a humidity response curve, which is then analyzed.

[0021] If the real-time humidity value H is identified n First rise and exceed H0 to reach peak H p If the charging plug continues to descend, it is determined that it carries moisture, and step S3 is executed.

[0022] If the feature is not identified, proceed to step S4;

[0023] S3, based on the peak value H p The difference between the initial humidity value H0 and the initial humidity value H0 is ΔH = H p -H0, determines the drying time T for this feature. c The micro fan is controlled to start automatically and run continuously for drying time T. c ;

[0024] S4. Determine the baseline drying time T based on the initial humidity value H0. bThe micro fan is controlled to start automatically and run continuously for drying time T. b ;

[0025] S5. The drying time T during step S3. b Or perform the drying time T for step S4. c After completion, control the socket to be powered on.

[0026] This technical solution addresses the problem of microcurrent electrolytic corrosion of metal contacts in humid environments caused by interfacial water film after the user's charging plug is inserted.

[0027] As a further improvement of the present invention: in step S4:

[0028] When the initial humidity value H0 ≤ 60%RH, it is considered a dry scenario, and the drying time T b For 5-10 seconds;

[0029] When 60%RH < initial humidity H0 ≤ 75%RH, it is considered a humid environment, and the drying time T is... b It takes 10-15 seconds;

[0030] When the initial humidity value H0 > 75%RH, it is considered a high humidity scenario, and the drying time T b It takes 15-20 seconds.

[0031] This improved solution adapts the drying time to the installation environment, making it suitable for docking and charging in various scenarios.

[0032] As a further improvement of the present invention: in step S3:

[0033] When ΔH≤3%RH, it is determined to be sensor noise or trace moisture, and the micro fan is directly controlled to run continuously for drying time T. b ;

[0034] When 3%RH < ΔH ≤ 15%RH, then the drying time T c =T b +10s;

[0035] When ΔH > 15%RH, then the drying time T c =T b +20s.

[0036] This improved solution increases the drying time specifically to evaporate and remove additional moisture from the plug surface. When 3%RH < ΔH ≤ 15%RH, the drying time is increased by 10 seconds, mainly targeting light moisture, such as only dampness, providing ample evaporation time. When ΔH > 15%RH, the drying time is increased by 20 seconds, focusing on obvious moisture, such as water droplets, providing a stronger drying capacity margin.

[0037] As a further improvement of the present invention: in step S5:

[0038] Set the total continuous running time T of the miniature fan max ;

[0039] Regardless of whether step S3 or step S4 is executed, the continuous running time of the micro fan since startup reaches the total continuous running time T of the micro fan. max When the drying process is complete, power is supplied to the control socket, and the control light strip displays an abnormality warning signal.

[0040] This improved solution sets a total operating time T that is longer than the normal drying time. max This prevents the system from entering an infinite waiting or dead loop state due to any unforeseen failures, ensuring that the basic charging function is eventually available. Attached Figure Description

[0041] To more clearly illustrate the technical solution, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0042] Figure 1 This is a schematic diagram of the structure of the charging docking charging pile in the embodiment;

[0043] Figure 2 An exploded structural diagram of a charging docking charging pile as an example;

[0044] Figure 3 An exploded view of the charging docking structure and the front panel as an example;

[0045] Figure 4 This is a schematic diagram of the charging docking structure in an embodiment;

[0046] Figure 5 This is a schematic diagram of the socket structure in an embodiment;

[0047] Figure 6 This is a schematic diagram of the structure of the ring-shaped component in the embodiment;

[0048] Figure 7 This is a schematic diagram of the humidity response curve for an example.

[0049] In the diagram: 100: Housing, 110: Front panel, 120: Annular groove, 200: Insert plate, 210: Connector, 220: First buckle, 300: Annular part, 310: Notch, 320: Air inlet, 330: Second slot, 340: Cable hole, 400: Socket, 410: Cover plate, 420: Air outlet, 430: Miniature fan, 440: First slot, 450: Second buckle, 500: Connecting cavity, 600: Connecting plate. Detailed Implementation

[0050] In order to clearly and completely understand the technical solution, the present invention will be further described in conjunction with the embodiments and accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0051] Embodiments of the present invention provide a charging docking station adaptable to multiple scenarios, such as... Figures 1 to 6 As shown, the device includes a housing 100 and at least one set of charging docking structures disposed on the front panel 110 of the housing 100. Each set of charging docking structures includes:

[0052] The socket plate 200 is fixed to the front panel 100 on the left and right sides by connectors 210, and forms an annular groove 120 between the socket plate 200 and the front panel 100.

[0053] The annular component 300 is placed in the annular groove 120, with its front end face flush with the front panel 110. The annular component 300 extends backward in the thickness direction of the front panel 110 and has a notch 310 corresponding to the connector 210.

[0054] The socket 400 has a cover plate 410 extending radially outward. The cover plate 410 covers the rear end face of the annular member 300, so that the rear side of the front panel 110, the inner side wall of the annular member 300, the connector 210, and the socket together enclose a mating cavity 500.

[0055] The connecting plate 600 has a gap with the front panel 110. The left and right sides of the connecting plate 600 are attached to the front panel 110, and the bottom side is attached to the outer side wall of the annular member 300. The outer side wall of the annular member 300 is radially provided with an air inlet 320 corresponding to the gap, so that the top side of the connecting plate 600, the gap between the connecting plate 600 and the front panel 110, and the air inlet 320 constitute the air inlet channel of the docking cavity 500. The air inlet channel is provided with a desiccant.

[0056] An air outlet 420 is disposed on the cover plate 410 and away from the air inlet, so that dry air entering from the air inlet flows through the middle of the docking cavity 500 and then flows out through the air outlet 420. A miniature fan 430 is provided on the air outlet 420.

[0057] In this embodiment, the mating cavity is a relatively enclosed space formed by the rear side of the front panel, the inner wall of the annular component, the connector, and the front of the socket. It is a flat cylindrical cavity with a thickness of approximately 5-8 mm, enclosing part of the metal contact interface between the plug and the socket. Simultaneously, an effective targeted drying airflow path is formed within the mating cavity. A miniature fan draws air from the outlet, creating negative pressure within the mating cavity. This pressure drives air from the top side of the connecting plate into the air inlet duct. A desiccant in the air inlet duct dries the flowing air. The dried air enters the center of the mating cavity through the air inlet, flows through the plug and socket area, carrying away moisture from the cavity and the plug surface. Finally, the air carrying moisture is drawn out by the fan.

[0058] This embodiment aims to address the micro-current electrolytic corrosion of the metal contacts between the plug and socket in humid environments caused by an interfacial water film. Traditional charging piles' heat dissipation and dehumidification channels are designed specifically for the electrical components within the housing, allowing air convection within the housing space. This fails to guide dry airflow to the contact interface at the socket front. Furthermore, within the limited housing space, electrical components, heat dissipation channels, and multiple sockets must be accommodated. Traditional protection strategies focus more on immediate electrical safety (such as short-circuit and overload protection) and address environmental challenges through overall sealing (such as improving IP protection levels) or passive covering. Airflow circulates within the housing space, unable to reach or specifically address the environment between the socket front and the plug's metal contacts. This is especially problematic for the slow-developing electrochemical interfacial corrosion (micro-current corrosion) caused by ambient moisture at the contact interface. Its hazards are long-term and insidious, and its symptoms are similar to common problems like overload. The industry generally believes that improving the contact plating or adding dust covers is sufficient. Therefore, traditional solutions fail to recognize this technical challenge that requires prevention at the physical connection structure level. This embodiment uses an interlocking assembly on the front and rear sides of the front panel to form a docking cavity. The annular groove formed between the socket plate and the front panel serves as the positioning base, the annular component serves as the vertical sidewall of the docking cavity, and the socket cover serves as the rear end cover. Together, they form a compact docking cavity. This docking cavity does not require the addition of independent cavity components, forming a relatively closed area, which is equivalent to not occupying additional installation space (the docking cavity is only 5-8mm thick). Structurally, it overturns the traditional understanding that it is impossible to set up an independent and controllable environment for each socket interface in a compact space.

[0059] This invention features a continuous drying airflow path within the docking cavity. This path directly targets the contact interface, which may be subject to micro-current corrosion, concentrating the drying efficiency within the docking cavity. The small volume of gas processed and the short airflow path result in high efficiency. The desiccant in the air inlet provides continuous drying capability independent of external ambient humidity. Targeted continuous drying eliminates residual moisture within the docking cavity and on the plug itself, ensuring that the humidity at the contact interface can be rapidly reduced to below the corrosion critical point (e.g., 60% RH) before power-on, regardless of whether it is a dry season or a humid rainy season. This improves the versatility across various scenarios, from dry areas to the rainy season.

[0060] In an optional embodiment, such as Figures 2 to 6 As shown, the air inlet duct is open from the air inlet 320 toward the top end of the connecting plate 600. The bottom end of the connecting plate 600 is adapted to the curvature of the outer wall of the annular part 300. The air inlet 320 is provided with a filter screen (not shown in the figure) to prevent desiccant particles from entering the docking cavity 500.

[0061] In this embodiment, the air inlet is open, facilitating air circulation and desiccant maintenance. A dual-filtration filter assembly is installed at the air inlet. This assembly utilizes conventional technology. The first filter layer has pores smaller than the nominal particle size of the desiccant particles used (e.g., ≤0.5mm for 1-3mm particles), used to block intact particles. The second filter layer is a dense filter layer, such as non-woven fabric, used to intercept any desiccant powder that may be generated, thus preventing solid desiccant from entering the docking cavity. It should be noted that the desiccant is preferably high-strength, low-abrasion silica gel or molecular sieve, which is physically and chemically stable within its operating temperature range and does not deliquesce or liquefy.

[0062] In an optional embodiment, such as Figures 3 to 5 As shown, the rear end face of the connector 210 has a protruding first buckle 220, and the cover plate 410 has a through-hole first slot 440 corresponding to the position of the first buckle 220. The first buckle and the first slot achieve the first-stage axial locking of the charging docking structure, fixing the socket to the connector and the front panel, which serve as the structural skeleton, and bearing the main mechanical load and electrical connection stability. The buckle and slot connection enables the socket to be installed and disassembled quickly and securely, which is convenient for production and maintenance.

[0063] In an optional embodiment, such as Figures 4 to 6As shown, the annular component 300 has second slots 330 on its upper and lower sides, and the outer edge of the cover plate 410 has a second buckle 450 corresponding to the second slots 330. The second buckle and the second slots achieve the second-stage axial locking of the charging docking structure. The cover plate presses the rear end face of the annular component to ensure the rear side of the docking cavity is sealed, preventing the dry airflow from leaking from unexpected gaps. This ensures that the continuous dry airflow in the docking cavity flows along the set path, while further fixing the annular component to prevent it from loosening or rotating.

[0064] In an optional embodiment, such as Figure 4 and Figure 6 As shown, the front end face of the annular component 300 is embedded with an LED light strip (not shown in the figure). The LED light strip is used to display different colors and lighting modes according to different working states of the charging pile. The LED light strip is embedded in the front end face of the annular component 300. The power supply line of the LED light strip passes axially through the through hole 340 through the wall to the second slot 330 position, and then is electrically connected to the socket 400. It intuitively conveys the system status (standby, drying, rechargeable, charging, fault) to the user through changes in color (such as red, yellow, green, blue) and lighting mode (constant light, breathing, flashing).

[0065] In an optional embodiment, such as Figure 4 As shown, a humidity sensor (not shown in the figure) is installed inside the docking cavity 500. The humidity sensor is installed inside the docking cavity to directly monitor the absolute humidity inside the cavity. It should be noted that its installation position should represent the humidity of the core area of ​​the cavity and avoid installation in a dead airflow area. For example, the humidity sensor is preferably installed in the middle of the docking cavity or on the front surface of the socket, with its sensing surface exposed to the airflow.

[0066] On the other hand, embodiments of the present invention also provide a docking method, which utilizes one or more of the optional embodiments described above to perform the following steps using a charging docking charging pile adapted to multiple scenarios:

[0067] S1. Obtain a charging plug insertion signal, wherein the charging plug insertion signal is triggered by an infrared photoelectric sensor or a capacitive proximity sensor located in the docking cavity when an object is detected entering the docking cavity at a preset depth.

[0068] S2. Start the micro fan to obtain the initial humidity value H0 in the docking cavity as an environmental reference, and then use high-frequency sampling to record the real-time humidity value H during the identification window period after startup. n The change in humidity forms a humidity response curve, which is then analyzed.

[0069] If the real-time humidity value H is identified n First rise and exceed H0 to reach peak H pIf the charging plug continues to descend, it is determined that it carries moisture, and step S3 is executed.

[0070] If the feature is not identified, proceed to step S4;

[0071] S3, based on the peak value H p The difference between the initial humidity value H0 and the initial humidity value H0 is ΔH = H p -H0, determines the drying time T for this feature. c The micro fan is controlled to start automatically and run continuously for drying time T. c ;

[0072] S4. Determine the baseline drying time T based on the initial humidity value H0. b The micro fan is controlled to start automatically and run continuously for drying time T. b ;

[0073] S5. The drying time T during step S3. b Or perform the drying time T for step S4. c After completion, control the socket to be powered on.

[0074] In this embodiment, the identification window period is a pre-set fixed time, such as 3-5 seconds, starting from the start of the micro fan. During this period, high-frequency sampling and feature judgment are completed. After the identification window period ends, the continuous drying stage of step S3 or S4 begins. By analyzing the shape of the humidity curve within a short period (3-5 seconds) after the micro fan is turned on, whether it rises first and then falls, it is possible to diagnose whether the plug surface carries moisture. This is because the water on the plug surface evaporates rapidly under the impact of airflow, causing a sudden increase in local humidity, forming a peak H. p The evaporated moisture is then carried away by the airflow.

[0075] In a preferred embodiment, the plug enters the docking cavity, triggering the infrared photoelectric sensor to confirm the plug insertion signal, activating the micro fan, and reading the humidity sensor value to obtain an initial humidity value H0 = 65%RH. 65%RH is higher than the corrosion concern threshold of 60%RH (this threshold can be preset), indicating that the docking cavity is in a humid environment. This initial humidity value H0 = 65%RH will serve as the benchmark for judging subsequent humidity changes. During the recognition window after the fan starts, if set to 4 seconds, high-frequency sampling is performed at a frequency of 2 times per second to obtain the real-time humidity value H. n Assume the sampled data (%RH) are: t=0s: 65, t=1s: 68, t=2s: 75, t=3s: 82 (peak RH) p ), t=4s: 78, the sampled data were used to construct a humidity response curve with time as the horizontal axis and relative humidity as the vertical axis, referring to Figure 7In the figure, curve a clearly shows a characteristic pattern of first rising (65%RH→82%RH) and then falling (82%RH→78%RH). This characteristic is determined to match the model of rapid evaporation of water on the plug surface, meaning the charging plug carries moisture. Step S3 is then executed to perform the characteristic drying mode. In this embodiment, the humidity increases instead of decreasing within 4 seconds of fan activation because the airflow impacts the water droplets on the plug surface, increasing their evaporation rate and causing a localized surge in water vapor concentration, forming a peak H. p It can clearly distinguish between a humid environment and a plug that is wet. If the plug is dry, the humidity curve will gradually decrease from 65%RH, without this peak. p .

[0076] Then, calculate the peak value H. p The difference between the initial humidity value H0 and the initial humidity value H0 is ΔH = 82%RH - 65%RH = 17%RH. According to the rules set in the following embodiment, ΔH = 17%RH > 15%RH, which indicates a large amount of moisture. Therefore, the drying time T is determined. c =T b +20 seconds, based on the initial humidity value H0=65%RH, the landing is in a humid environment, drying time T b The time is 15 seconds. If no rise-then-fall pattern is observed within the identification window, refer to... Figure 7 If curve b at the bottom of the graph shows a gentle downward trend, it is determined that the plug is relatively dry. Based on H0 = 65%RH, the baseline drying time T is then applied. b =15 seconds, which is the time used to replace the humid air in the docking cavity. Driven by a micro fan, it can complete about 5-8 full air replacements in the cavity, which can effectively reduce the ambient humidity to a low level.

[0077] Next, the drying time T for step S3. c The setting is 35 seconds, which controls the miniature fan to run for a cumulative 35 seconds from the start. The additional 20 seconds is the working time required to evaporate and remove moisture from the plug surface. The miniature fan has already run for 4 seconds of the recognition window since the start, so it needs to continue running for another 31 seconds.

[0078] Finally, after the miniature fan has run for a total of 35 seconds, drying is considered complete. If the user has completed payment or confirmed the charging function, the main relay of the control socket closes to start charging the vehicle. At the same time, the light strip on the ring component switches from a white breathing (drying) mode to a solid green (charging) mode.

[0079] Those skilled in the art will understand that a user's charging operation generally involves: parking the car and connecting the charger, then inserting the charger's plug into the socket. At this time, the socket is not powered. Traditional solutions require waiting for the user to scan, select a socket number, place an order, or wait for successful payment before charging begins. In this embodiment, the drying process starts as soon as the user inserts the charging plug, bringing the drying process forward and running in parallel with the payment process. Within the tens of seconds that the user turns around to scan the code and pay (e.g., logging into the charging platform account, loading the mini-program, selecting the socket number, etc., which may take more than tens of seconds), this embodiment is already performing the drying process. When the user successfully pays, it is highly likely that the process is ready. At this point, the final power-on command must be linked with the backend payment system. That is, the control of the socket to power on in step S5 of this embodiment needs to receive the backend payment confirmation permission command to power on before execution. If the user pays very quickly (e.g., using password-free payment), the confirmation may be completed before drying is finished (e.g., at the 10th second). In this case, the power will not be turned on immediately, but the backend payment confirmation permission command will be temporarily stored, and the remaining drying time will continue (e.g., from the 11th to the 35th second) before power is turned on. This embodiment does not impose any restrictions on the user's charging process or control method. Technicians can set the charging control method according to the actual application scenario. This embodiment aims to solve the problem of microcurrent electrolytic corrosion of metal contacts caused by interface water film in humid environments after the user's charging plug is inserted.

[0080] In an optional embodiment, in step S4:

[0081] When the initial humidity value H0 ≤ 60%RH, it is considered a dry scenario, and the drying time T b For 5-10 seconds;

[0082] When 60%RH < initial humidity H0 ≤ 75%RH, it is considered a humid environment, and the drying time T is... b It takes 10-15 seconds;

[0083] When the initial humidity value H0 > 75%RH, it is considered a high humidity scenario, and the drying time T b It takes 15-20 seconds.

[0084] In this embodiment, 60% RH is used as the critical threshold for corrosion, and 75% RH is set as the critical threshold for dampness and high humidity. When the relative humidity of the environment is consistently below 60%, the thickness of the water film adsorbed on the metal surface is insufficient to form a continuous electrolyte solution, and the rate of electrochemical corrosion (including micro-current corrosion) will drastically decrease to a negligible level. To ensure reliable drying effect, considering factors such as airflow dead zones and flow attenuation caused by desiccant resistance, the drying time set in this embodiment is longer than the single replacement time, aiming to ensure more than 3-5 complete cavity air replacements. For example, the effective volume of the docking cavity in this embodiment is approximately 50 cm³. 3The selected miniature fan has a nominal flow rate of approximately 5-10 L / min (approximately 83-167 cm³) at rated voltage. 3 If the air density is / s, the theoretical total replacement time within the docking cavity is approximately 0.3-0.6 seconds per cycle. In dry environments, a drying time of 5 to 10 seconds is sufficient to complete 8-30 replacements, quickly reaching a steady state. In many regions during the rainy season or in coastal environments, the daily average relative humidity often remains between 75% and 95%. Above 75% RH, not only does the corrosion rate accelerate, but the moisture absorption of non-metallic materials (such as plastics) also increases significantly, potentially affecting insulation performance. In high-humidity environments, a drying time of 15 to 20 seconds can eliminate the humidity gradient within the docking cavity even with extremely high initial humidity, stabilizing it to a low humidity level through multiple replacements. This embodiment adapts the drying time to the installation environment, accommodating docking charging in various scenarios.

[0085] In an optional embodiment, in step S3:

[0086] When ΔH≤3%RH, it is determined to be sensor noise or trace moisture, and the micro fan is directly controlled to run continuously for drying time T. b ;

[0087] When 3%RH < ΔH ≤ 15%RH, then the drying time T c =T b +10s;

[0088] When ΔH > 15%RH, then the drying time T c =T b +20s.

[0089] In this embodiment, setting ΔH ≤ 3%RH effectively filters out reading fluctuations caused by the humidity sensor's own noise, minor airflow disturbances, or temperature fluctuations, preventing misinterpretation of measurement fluctuations as water in the plug and improving robustness. During testing, when ΔH > 15%RH, visible fine water droplets or films adhere to the plug's metal contacts, indicating a relatively severe humidity level in daily life (such as rain or condensation). The increased drying time in this embodiment is specifically designed to evaporate and remove additional moisture from the plug surface. When 3%RH < ΔH ≤ 15%RH, the drying time is increased by 10 seconds, primarily targeting mild moisture, such as just dampness, providing ample evaporation time. When ΔH > 15%RH, the drying time is increased by 20 seconds, focusing on significant moisture, such as water droplets, providing a stronger drying margin.

[0090] It should be noted that in extreme scenarios, such as inserting a plug carrying significant moisture (ΔH > 15%RH) in a high-humidity environment (H0 > 75%RH), the maximum drying time (approximately 40 seconds) set in this embodiment already includes redundancy for extreme cases, sufficient to eliminate the risk of leakage. Under the continuous forced convection generated by the micro-fan, the evaporation of moisture on the metal surface is a continuous and accelerated process. The initial evaporation rate is fast, removing most of the free water; although slower in the later stages, it is sufficient to handle any residual adsorbed water film that may lead to leakage. It is particularly important to note that the technical problem this invention aims to solve is based on the safety and reliability hazards faced by electric bicycle users under normal and reasonable usage scenarios. The goal is to proactively eliminate the interface water film that causes micro-current corrosion during normal user operation (i.e., when the plug is in a normally damp state, such as during drizzle, condensation, or a high-humidity environment). National standards and related safety regulations all assume that electrical equipment should undergo basic treatment (such as drying) before use after significant water exposure or immersion. The scenario of "plugging the plug while it is still charged after continuous rain or immersion" is considered an abnormal and unintended abuse scenario. The primary risk of such a scenario is direct electric shock and short circuit. Its protection mainly relies on the inherent safety design of the charger and vehicle, such as the basic insulation between the charger and the vehicle and the creepage distance.

[0091] This embodiment features a maximum drying time of 40 seconds of continuous strong convection drying, which, in testing, is sufficient to ensure that the water film thickness at the plug and socket contact interface is reduced to a level where a continuous conductive path cannot be formed, eliminating the risk of leakage. Furthermore, in practical applications, when a charging pile is in standby or charging mode, its internal power module, control circuit, and other components generate heat, causing the internal air temperature to typically be 3-10°C higher than the external ambient temperature. With a constant absolute moisture content, the relative humidity decreases significantly with increasing air temperature. Therefore, the actual relative humidity of the air drawn into the air intake from the top side of the connection plate is often lower than the external ambient humidity. This means that even in rainy weather (e.g., ambient temperature 30°C, 90%RH), the air entering the air intake may already be relatively dry (e.g., 33°C, 70%RH inside the pile). This air, after passing through the desiccant, has a higher drying efficiency than the theoretical value of using 90%RH air, completely controlling electrical connection risks within an absolutely safe range to prevent leakage.

[0092] In an optional embodiment, in step S5:

[0093] Set the total continuous running time T of the miniature fan max ;

[0094] Regardless of whether step S3 or step S4 is executed, the continuous running time of the micro fan since startup reaches the total continuous running time T of the micro fan. max When the drying process is complete, power is supplied to the control socket, and the control light strip displays an abnormality warning signal.

[0095] This embodiment sets a total operating time T that is longer than the normal drying time. max The 45-second or 60-second timeout is to prevent the system from entering an infinite wait or dead loop due to any unforeseen malfunctions (such as permanent damage to the humidity sensor, complete desiccant failure, or fan jamming causing airflow obstruction). Even if the system completely loses its humidity detection capability under extreme abnormal conditions, it will force the system to proceed to the next step after 45 or 60 seconds, ensuring that the basic charging function is ultimately usable. Total trigger run time T max The rear control light strip displays an abnormality warning signal (such as a red flashing light), visualizing the system fault status and prompting the operator to perform predictive maintenance, such as checking the desiccant, sensors, or fans.

[0096] The above disclosures are merely one or more preferred embodiments of the present invention, intended to help understand the inventive concept of the technical solution, and are not intended to limit the present invention in any other way. Any other equivalent or conventional substitution schemes made by those skilled in the art based on the features defined by the present invention shall still fall within the scope of the present invention.

Claims

1. A docking method for charging piles adaptable to multiple scenarios, characterized in that: The charging docking station includes a housing (100) and at least one set of charging docking structures on the front panel (110) of the housing (100), each set of the charging docking structures including: The socket plate (200) is fixed to the front panel (110) on the left and right sides by connectors (210), and forms an annular groove (120) between the socket plate (200) and the front panel (110). An annular component (300) is placed in the annular groove (120), with its front end face flush with the front panel (110). The annular component (300) extends backward in the thickness direction of the front panel (110) and has a notch (310) corresponding to the connector (210). The socket (400) has a cover plate (410) extending radially outward. The cover plate (410) covers the rear end face of the annular member (300), so that the rear side of the front panel (110), the inner side wall of the annular member (300), the connector (210), and the socket (400) together enclose a mating cavity (500). A connecting plate (600) has a gap with the front panel (110). The left and right sides of the connecting plate (600) are attached to the front panel (110), and the bottom side is attached to the outer wall of the annular part (300). The outer wall of the annular part (300) is radially provided with an air inlet (320) corresponding to the gap. The top side of the connecting plate (600), the gap between the connecting plate (600) and the front panel (110), and the air inlet (320) constitute the air inlet channel of the docking cavity (500). The air inlet channel is provided with a desiccant. An air outlet (420) is provided on the cover plate (410) and is located away from the air inlet, so that the dry air entering from the air inlet flows through the middle of the docking cavity (500) and then flows out through the air outlet (420). A miniature fan (430) is provided on the air outlet (420). The docking method utilizes a charging dock to perform the following steps: S1. Obtain a charging plug insertion signal, wherein the charging plug insertion signal is triggered by an infrared photoelectric sensor or a capacitive proximity sensor set in the docking cavity (500) when an object is detected to have entered the docking cavity (500) to a preset depth. S2. Start the micro fan (430) to obtain the initial humidity value H0 in the docking cavity (500) as the environmental reference, and then record the real-time humidity value H during the recognition window period after startup using high-frequency sampling. n The change in humidity forms a humidity response curve, which is then analyzed. If the real-time humidity value H is identified n First rise and exceed H0 to reach peak H p If the charging plug continues to descend, it is determined that it carries moisture, and step S3 is executed. If the feature is not identified, proceed to step S4; S3, based on the peak value H p The difference between the initial humidity value H0 and the initial humidity value H0 is ΔH = H p -H0, determines the drying time T for this feature. c The micro fan (430) is controlled to start automatically and run continuously for drying time T. c ; S4. Determine the baseline drying time T based on the initial humidity value H0. b The micro fan (430) is controlled to start automatically and run continuously for drying time T. b ; S5. The drying time T during step S3. b Or perform the drying time T for step S4. c After completion, the control socket (400) is powered on.

2. The docking method for charging piles adaptable to multiple scenarios according to claim 1, characterized in that: The air inlet duct is open from the air inlet (320) toward the top end of the connecting plate (600). The bottom end of the connecting plate (600) is adapted to the curvature of the outer wall of the annular part (300). The air inlet (320) is provided with a filter to prevent desiccant particles from entering the docking cavity (500).

3. The docking method for charging piles adaptable to multiple scenarios according to claim 1, characterized in that: The rear end face of the connector (210) is provided with a first buckle (220), and the cover plate (410) is provided with a first slot (440) corresponding to the position of the first buckle (220).

4. The docking method for charging piles adaptable to multiple scenarios according to claim 1, characterized in that: The annular component (300) has a second slot (330) on its sidewalls on the upper and lower sides, and the outer edge of the cover plate (410) has a second buckle (450) corresponding to the position of the second slot (330).

5. The docking method for charging piles adaptable to multiple scenarios according to claim 1, characterized in that: The front end face of the annular component (300) is embedded with an aperture light strip, which is used to display different colors and lighting modes according to different working states of the charging pile.

6. The docking method for charging piles adaptable to multiple scenarios according to claim 1, characterized in that: A humidity sensor is installed inside the docking cavity (500).

7. The docking method for charging piles adaptable to multiple scenarios according to claim 1, characterized in that, In step S4: When the initial humidity value H0 ≤ 60%RH, the drying time T b For 5-10 seconds; When 60%RH < initial humidity value H0 ≤ 75%RH, the drying time T b It takes 10-15 seconds; When the initial humidity value H0 > 75%RH, the drying time T b It takes 15-20 seconds.

8. The docking method for charging piles adaptable to multiple scenarios according to claim 7, characterized in that, In step S3: When ΔH≤3%RH, it is determined to be sensor noise or trace moisture, and the micro fan (430) is directly controlled to run continuously for drying time T. b ; When 3%RH < ΔH ≤ 15%RH, then the drying time T c =T b +10s; When ΔH > 15%RH, then the drying time T c =T b +20s.

9. The docking method for charging piles adaptable to multiple scenarios according to claim 1, characterized in that: In step S5: Set the total continuous running time T of the miniature fan (430). max ; Regardless of whether step S3 or step S4 is performed, when the continuous running time of the micro fan (430) since its start reaches the total continuous running time Tmax, the drying process is terminated and the control socket (400) is powered on. At the same time, the control ring light strip displays an abnormality reminder signal.

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