A de-icing device

Abstract

This application discloses a de-icing device for de-icing battery-swapping vehicles. The battery pack of the battery-swapping vehicle is installed at the bottom of the vehicle body via a locking mechanism to facilitate quick battery pack swapping. The de-icing device includes a movable body and an electromagnetic heating unit installed on the body. The electromagnetic heating unit generates an alternating electromagnetic field around itself. The body can move to the bottom of the battery-swapping vehicle body, causing the bottom of the vehicle body and / or the locking mechanism to heat up under the action of the alternating electromagnetic field of the electromagnetic heating unit, thereby performing a de-icing operation on the bottom of the vehicle body and / or the locking mechanism. The heat for melting the ice layer comes from the heat energy generated by the locking mechanism and / or the vehicle body. This heat energy is transferred to the ice layer through direct contact solid-state conduction, greatly reducing the heat transfer loss from the locking mechanism and / or the body to the ice layer. This allows the ice layer to receive a larger amount of heat from the locking mechanism and / or the body, significantly increasing the ice-melting efficiency.

Description

Technical Field

[0001] This application belongs to the field of battery pack charging technology for battery swapping, and specifically relates to a de-icing device. Background Technology

[0002] In daily life, cars are becoming increasingly common, and the widespread use of gasoline-powered vehicles not only exacerbates the consumption of non-renewable resources but also pollutes the environment with exhaust emissions. Faced with the growing imbalance between supply and demand for traditional energy sources and the severe situation of global warming, electric vehicles (EVs) have emerged as a new energy mode of transportation. Due to their advantages such as low noise, high energy efficiency, and zero mobile exhaust emissions, EVs have become one of the strategic emerging industries that many countries prioritize. However, as EVs enter the market, driving range has become a significant factor hindering their development. Drawing inspiration from the traditional method of using refueling to extend the driving range of cars, for EVs, charging depleted battery packs or directly replacing them with fully charged ones has become a key research and development direction for increasing the driving range of EVs.

[0003] Due to limitations in battery material and charging technologies, new energy vehicles require at least tens of minutes to fully charge after running out of power. For some new energy freight vehicles with large battery packs, this charging time is even longer, significantly impacting the user's driving experience. This is especially true for commercial vehicle owners, as waiting for charging means reduced working hours. However, the time required to replace the battery pack is much shorter than the charging time. Therefore, more and more new energy vehicles are adopting detachable battery packs for energy supply, solving the disadvantages of long charging times and inconvenience associated with fixed battery packs. Specifically, multiple locking mechanisms need to be installed on the bottom of the vehicle. The installation or removal of the battery pack is achieved by locking or unlocking these mechanisms with mating parts on the battery pack. Furthermore, for these new energy vehicles, due to the large weight and volume of the battery pack, specialized battery swapping equipment is required for disassembly and installation. However, in cold northern weather, especially after heavy snow or rain, the underside of the vehicle can be covered with a thick layer of ice. This ice can also encase the locking mechanism and the bottom of the vehicle, affecting the unlocking of the locking mechanism and causing the battery pack to be frozen to the bottom of the vehicle, making it difficult or even impossible to remove. This significantly increases the vehicle's battery swapping time and leads to congestion at battery swapping stations.

[0004] Therefore, before replacing the battery pack, a de-icing device is needed to melt the ice layer on the locking mechanism. Existing de-icing devices typically use hot air to remove the ice layer on the locking mechanism and vehicle body. However, this de-icing method has the following problems: because the air outlet of the de-icing device is separated from the ice layer, the hot air is easily affected by the external environment, especially airflow, during its movement between the air outlet and the ice layer, which can easily cause heat loss and affect the de-icing efficiency. At the same time, the hot air is prone to displacement under the action of external airflow, affecting the delivery accuracy of the hot air and thus affecting the de-icing efficiency. Summary of the Invention

[0005] This application provides a de-icing device to solve the technical problems of low de-icing rate and poor de-icing accuracy of traditional de-icing devices.

[0006] The technical solution adopted in this application is as follows:

[0007] A de-icing device is disclosed for de-icing a battery swapping vehicle. The battery pack of the battery swapping vehicle is installed at the bottom of the vehicle body via a locking mechanism to facilitate quick battery swapping. The de-icing device includes a movable body and an electromagnetic heating unit installed on the body. The electromagnetic heating unit can generate an alternating electromagnetic field around itself. The body can move to the bottom of the battery swapping vehicle body and heat up the bottom of the vehicle body and / or the locking mechanism under the action of the alternating electromagnetic field of the electromagnetic heating unit to perform de-icing operation on the bottom of the vehicle body and / or the locking mechanism.

[0008] By adopting the above technical solution, the de-icing device of this application includes a body and an electromagnetic heating unit disposed on the body. When performing de-icing operation, the body needs to be pushed to the bottom of the vehicle body to cover the locking mechanism and / or the bottom of the vehicle body into the alternating electromagnetic field generated therein. The locking mechanism and / or the vehicle body are rapidly heated by the alternating electromagnetic field, thereby melting the ice layer covering its periphery. Since the heat for melting the ice comes from the locking mechanism and / or the vehicle body, this heat is transferred to the ice through direct solid-state conduction, greatly reducing heat loss from the locking mechanism and / or the vehicle body to the ice. This allows the ice to receive a larger amount of heat from the locking mechanism and / or the vehicle body, significantly increasing the ice-melting efficiency. Furthermore, because the electromagnetic heating unit heats the locking mechanism and / or the vehicle body, stable heating can be achieved simply by ensuring the alignment of the electromagnetic heating unit with the locking mechanism and / or the vehicle body. There is no interference from external factors such as airflow, significantly improving the de-icing accuracy of the de-icing device. Moreover, the de-icing device can adjust the heat of the locking mechanism and / or the vehicle body by adjusting the magnetic field strength of the electromagnetic heating unit, allowing for adjustments to the melting speed by adjusting the heating efficiency for ice of different thicknesses. Furthermore, the heating principle of the de-icing device in this application is to drive the locking mechanism and / or the body to heat up through the electromagnetic heating unit. Therefore, the electromagnetic heating unit itself does not generate heat. On the one hand, it effectively reduces the impact of high temperature on the de-icing device and helps to improve the service life of the de-icing device. On the other hand, it protects the electromagnetic heating unit from the impact of ice water dripping after the ice melts, thus improving the de-icing stability of the de-icing device.

[0009] Preferably, the electromagnetic heating unit is composed of multiple interconnected induction coils; the induction coils are composed of multiple concentric circular coils connected in order of increasing diameter, or the induction coils have a spiral disk-shaped structure.

[0010] By adopting the above technical solution, the electromagnetic heating unit is configured as multiple interconnected induction coils, which can form a denser alternating electromagnetic field at the coils, increasing the coverage density of the alternating electromagnetic field on the locking mechanism and / or body of the area to be de-iced, thereby improving the heating rate of the de-icing device. Furthermore, configuring the induction coil as a concentric circular coil connected in sequence with diameters ranging from small to large, or configuring the induction coil as a spiral disk-shaped structure, can improve the magnetic field strength and coverage area of ​​the alternating electromagnetic field generated by the induction coil, further increasing the heating rate and ice melting efficiency of the locking mechanism and / or body, while improving the uniformity of the alternating electromagnetic field coverage, achieving uniform heating of the locking mechanism and / or body, and achieving uniform melting of the ice layer.

[0011] Preferably, there are multiple locking mechanisms, which are arranged on the battery pack at preset positions, and the number of induction coils is equal to the number of locking mechanisms and they are aligned one-to-one; or, there are two rows of locking mechanisms, which are arranged on both sides of the battery pack along the length of the battery pack, and the induction coils are arranged in two corresponding rows and spaced apart from the locking mechanisms.

[0012] Setting multiple locking mechanisms and placing them in preset positions on the battery pack enables multi-point fixation of the battery pack, improving installation stability and reducing the stress on individual locking mechanisms. The number of induction coils is matched one-to-one with each locking mechanism, allowing each coil to synchronously heat its corresponding locking mechanism, improving the de-icing accuracy and efficiency of the de-icing device. Alternatively, arranging the locking mechanisms in two rows along the length of the battery pack on both sides also enhances load-bearing stability and reduces stress on the locking mechanisms. Furthermore, the two rows of induction coils, each aligned with one of the two rows of locking mechanisms, ensure uniform heating of the locking mechanisms.

[0013] Preferably, the electromagnetic heating unit further includes an upper plate located at the top of the body and a lower plate located below the upper plate, and the induction coil is located between the upper plate and the lower plate and fixed to the lower surface of the upper plate; preferably, the outer edges of the upper plate and the lower plate are connected by side plates, so that the upper plate and the lower plate are sealed to form a mounting cavity for accommodating the induction coil.

[0014] By setting up an upper and lower plate and placing the induction coil between them, the induction coil can be protected to a certain extent. The upper plate can stop dripping ice water from above, and the lower plate can prevent debris from the ground from affecting the induction coil. Fixing the induction coil to the lower surface of the upper plate can shorten the distance between the induction coil and the locking mechanism and / or the machine body, thereby covering the locking mechanism and / or the machine body in an area with a denser alternating electromagnetic field. This allows the locking mechanism and / or the machine body to heat up quickly, which helps to improve the ice-melting efficiency. In addition, a side plate is set to connect the outer edges of the upper and lower plates and form a mounting cavity, providing a relatively independent working space for the induction coil. This further reduces the possibility of interference from the external environment and helps to improve the working stability of the de-icing device.

[0015] Preferably, the upper surface of the upper plate is provided with at least one downwardly recessed water-receiving groove and a drainage groove connected to the water-receiving groove. The water-receiving groove is used to contain the ice water that melts after the bottom of the vehicle body and / or the locking mechanism is heated. The drainage groove extends from the water-receiving groove to the outer edge of the upper plate to guide the ice water out. The water-receiving groove and the drainage groove are respectively offset from the electromagnetic heating unit.

[0016] By incorporating a water tank and a drainage channel, a space is provided for the melted ice water to be contained and a drainage channel is created. Since the water tank is lower than the rest of the upper surface of the plate, the ice water dripping onto the upper plate can slide down into the water tank under gravity and flow out of the upper plate under the guidance of the drainage channel. This achieves the discharge of ice water from the upper plate, preventing its accumulation and reducing the cleaning pressure on the de-icing device. Furthermore, the water tank and drainage channel are staggered from the electromagnetic heating unit, preventing instability in the installation of the electromagnetic heating unit due to unevenness of the upper plate and improving the installation strength of the electromagnetic heating unit.

[0017] Preferably, the position where the induction coil is installed on the upper plate is the installation area. The upper plate has a first flow port that penetrates through the upper plate. The first flow port is not on the installation area and is lower than the installation area in the height direction. The first flow port is connected to the installation area by an inclined guide surface. The lower plate has a second flow port corresponding to the position of the first flow port, so that the ice water melted after the bottom of the vehicle body and / or the locking mechanism is heated flows out through the first flow port and the second flow port.

[0018] By setting up a first and a second outlet, a discharge channel is provided for the chilled water falling onto the upper plate. Due to the height difference between the first outlet and the installation area, and the fact that the first outlet and the installation area are connected by an inclined guide surface, when the chilled water falls onto the upper plate, it will slide down the guide surface to the first outlet under the action of gravity, and then continue to move downward under the action of gravity and flow out from the second outlet. This avoids the accumulation of chilled water on the upper plate, especially in the installation area, thereby preventing the chilled water from affecting the operation of the induction coil and helping to reduce the cleaning pressure on the de-icing device.

[0019] Preferably, the number of the first flow port and the second flow port is one, and they are respectively opened at the center position of the upper plate and the lower plate.

[0020] Setting the number of first and second flow ports to one can reduce the processing difficulty of the upper and lower plates and maintain the structural strength of the upper and lower plates as much as possible. In particular, the upper plate with higher structural strength can better support the induction coil.

[0021] Preferably, the body further includes a base located below the electromagnetic heating unit, and a lifting mechanism is provided between the base and the electromagnetic heating unit, so that the electromagnetic heating unit can be adjusted to different heights relative to the base to de-ice battery swapping vehicles of different heights; and / or, a horizontal moving mechanism is provided between the base and the electromagnetic heating unit, so that the electromagnetic heating unit can be adjusted to a horizontal position relative to the base to align with the bottom of the vehicle body and / or the locking mechanism;

[0022] By setting up a base and a lifting mechanism at the bottom of the base, the electromagnetic heating unit can be raised to a suitable height by lifting the base, so as to cover the locking mechanism and / or the body into the alternating electromagnetic field, thereby achieving rapid heating of the locking mechanism and / or the bottom of the vehicle body to achieve the purpose of rapid de-icing; and a horizontal moving mechanism is set between the base and the electromagnetic heating unit, which can adjust the horizontal position of the electromagnetic heating unit, thereby adjusting the electromagnetic heating unit to a position opposite to the locking mechanism and / or the body, enhancing the accuracy of the alternating electromagnetic field in covering the de-icing area and improving the de-icing efficiency.

[0023] Preferably, the de-icing device further includes a position detector, which can detect the height and horizontal position of the electromagnetic heating unit relative to the bottom of the vehicle body and / or the locking mechanism, so as to control the lifting mechanism and / or the horizontal moving mechanism to adjust the position of the electromagnetic heating unit;

[0024] By setting a position detector, the alignment of the electromagnetic heating unit with the bottom of the vehicle body and / or the locking mechanism can be automatically detected, and the horizontal moving mechanism can be controlled to adjust the horizontal position of the electromagnetic heating unit so that the electromagnetic heating unit is aligned with the locking mechanism and / or the bottom of the body. After the electromagnetic heating unit is aligned with the locking mechanism and / or the bottom of the body, the lifting mechanism is then controlled to raise the electromagnetic heating unit to a designated position, thus achieving the coverage of the locking mechanism and / or the bottom of the vehicle body by the alternating electromagnetic field. The operator does not need to observe the relative position of the electromagnetic heating unit with the locking mechanism and / or the bottom of the vehicle body, reducing the alignment difficulty for the operator and helping to improve de-icing efficiency.

[0025] Preferably, when the electromagnetic heating unit is in the heating position, the distance between the electromagnetic heating unit and the bottom of the vehicle body and / or the locking mechanism is 10-30mm.

[0026] Setting the distance between the electromagnetic heating unit and the bottom of the vehicle body and / or the locking mechanism to 10-30mm places the bottom of the vehicle body and / or the locking mechanism in a dense area of ​​alternating electromagnetic field, enabling rapid heating of the bottom of the vehicle body and / or the locking mechanism, increasing the ice melting speed. Furthermore, the presence of a certain distance between the bottom of the vehicle body and / or the locking mechanism and the electromagnetic heating unit reduces the impact of the bottom of the vehicle body and / or the locking mechanism on the electromagnetic heating unit under high temperature conditions.

[0027] Preferably, the upper plate and / or the lower plate are made of glass fiber material.

[0028] The upper and lower plates, made of fiberglass, have excellent heat insulation properties, which can effectively reduce the transfer of heat emitted by the locking mechanism and / or the body to the electromagnetic heating unit under high heat conditions, thus helping to extend the service life of the electromagnetic heating unit.

[0029] Preferably, the de-icing device further includes a power supply unit for providing power to the induction coil. The power supply unit is disposed in the body and located on the side away from the electromagnetic heating unit. The body includes a first support part for supporting the electromagnetic heating unit and a second support part for supporting the power supply unit. A through channel is provided between the first support part and the second support part, so that the cable of the power supply unit passes through the through channel and is connected to the induction coil.

[0030] By setting up a first support part, a second support part, and a connecting channel, relatively independent installation spaces are provided for the electromagnetic heating unit, the power supply unit, and the cable, respectively, avoiding mutual interference between the components. In addition, the first support part, the second support part, and the connecting channel can protect the electromagnetic heating unit, the power supply unit, and the cable, which helps to improve the working stability of the de-icing device. Attached Figure Description

[0031] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0032] Figure 1 This is a top view of a de-icing device according to one embodiment of this application;

[0033] Figure 2 This is a top view of a portion of the de-icing device according to one embodiment of this application. Figure 1 ;

[0034] Figure 3 for Figure 2 Enlarged view of part A;

[0035] Figure 4This is a top view of a portion of the de-icing device according to one embodiment of this application. Figure 2 ;

[0036] Figure 5 for Figure 4 Enlarged view of part B;

[0037] Figure 6 This is a top view of a portion of the de-icing device according to one embodiment of this application. Figure 3 ;

[0038] Figure 7 This is a top view of a portion of the de-icing device according to one embodiment of this application. Figure 4 ;

[0039] Figure 8 This is a cross-sectional view of an electromagnetic heating unit according to one embodiment of this application;

[0040] Figure 9 This is a schematic diagram of the de-icing device according to one embodiment of this application;

[0041] Figure 10 This is a top view of a portion of the de-icing device according to one embodiment of this application. Figure 5 .

[0042] in:

[0043] 1. Fuselage;

[0044] 2 electromagnetic heating unit, 21 induction coil, 22 upper plate, 23 lower plate, 24 side plate;

[0045] 3. First flow port;

[0046] 4. First load-bearing part;

[0047] 5. Second bearing section;

[0048] 6 connecting channels;

[0049] 7 Installation Area

[0050] 8 water tanks;

[0051] 9. Drainage channel. Detailed Implementation

[0052] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0053] Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below. It should be noted that, unless otherwise specified, the embodiments of this application and the features thereof can be combined with each other.

[0054] Furthermore, it should be understood in the description of this application that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0055] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0056] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0057] like Figures 1 to 10 As shown, a de-icing device is used to de-ice a battery swapping vehicle. The battery pack of the battery swapping vehicle is installed at the bottom of the vehicle body through a locking mechanism to facilitate quick battery pack swapping. The de-icing device includes a movable body 1 and an electromagnetic heating unit 2 installed on the body 1. The electromagnetic heating unit 2 can generate an alternating electromagnetic field around itself. The body 1 can move to the bottom of the battery swapping vehicle body and heat up the bottom of the vehicle body and / or the locking mechanism under the action of the alternating electromagnetic field of the electromagnetic heating unit 2 to perform de-icing operation on the bottom of the vehicle body and / or the locking mechanism.

[0058] The de-icing device of this application includes a body 1 and an electromagnetic heating unit 2 disposed on the body 1. When performing de-icing operation, the body 1 needs to be pushed to the bottom of the vehicle body to cover the locking mechanism and / or the bottom of the vehicle body into the alternating electromagnetic field generated therein. The locking mechanism and / or the vehicle body are rapidly heated by the alternating electromagnetic field, thereby melting the ice layer covering its periphery. Since the heat for melting the ice layer originates from the heat energy generated by the locking mechanism and / or the vehicle body, this heat energy is transferred to the ice layer through direct solid-state conduction, greatly reducing the heat transfer loss from the locking mechanism and / or the vehicle body to the ice layer. This allows the ice layer to receive a larger amount of heat from the locking mechanism and / or the vehicle body, significantly increasing the ice-melting efficiency. Furthermore, since the electromagnetic heating unit 2 heats the locking mechanism and / or the vehicle body, stable heating can be achieved simply by ensuring the alignment of the electromagnetic heating unit 2 with the locking mechanism and / or the vehicle body. There is no interference from external factors such as airflow, which greatly improves the de-icing accuracy of the de-icing device. Moreover, the de-icing device can adjust the heat of the locking mechanism and / or the vehicle body by adjusting the magnetic field strength of the electromagnetic heating unit 2, which allows for adjusting the ice-melting speed by adjusting the heating efficiency for ice layers of different thicknesses. Furthermore, the heating principle of the de-icing device in this application is to drive the locking mechanism and / or the vehicle body to heat up through the electromagnetic heating unit 2. Therefore, the electromagnetic heating unit 2 itself does not generate heat. On the one hand, it effectively reduces the impact of high temperature on the de-icing device and helps to improve the service life of the de-icing device. On the other hand, it protects the electromagnetic heating unit 2 from the impact of ice water dripping after the ice melts, thus improving the de-icing stability of the de-icing device.

[0059] Specifically, after being powered on, the electromagnetic heating unit 2 will form a surrounding alternating electromagnetic field. When the alternating electromagnetic field covers the metal, it will induce eddy currents in the metal. The heat generated by the eddy currents heats the metal. The electromagnetic heating unit 2 in this application covers the locking mechanism and / or the bottom of the vehicle body through the alternating electromagnetic field around it, thereby causing the locking mechanism and / or the bottom of the vehicle body to heat up and achieve the de-icing effect.

[0060] This application does not limit the structural form of the electromagnetic heating unit 2, which can adopt any of the following embodiments:

[0061] Implementation method one: such as Figure 2 , Figure 3 As shown, the electromagnetic heating unit 2 is composed of multiple interconnected induction coils 21; the induction coils 21 are composed of multiple concentric circular coils connected in order of increasing diameter.

[0062] Setting the electromagnetic heating unit 2 as multiple interconnected induction coils 21 can generate a denser alternating electromagnetic field at the coils, increasing the coverage density of the alternating electromagnetic field on the locking mechanism and / or vehicle body in the area to be de-iced, thereby improving the heating rate of the de-icing device. Setting the induction coil 21 as a combination of multiple concentric circular coils connected in ascending order of diameter can increase the magnetic field strength and coverage area of ​​the alternating electromagnetic field generated by the induction coil 21, further increasing the heating rate and ice melting efficiency of the locking mechanism and / or vehicle body, while improving the uniformity of the alternating electromagnetic field coverage, achieving uniform heating of the locking mechanism and / or vehicle body, and achieving uniform melting of the ice layer.

[0063] Implementation Method Two: (e.g.) Figure 4 , Figure 5 As shown, the electromagnetic heating unit 2 is composed of multiple interconnected induction coils 21; the induction coils 21 have a spiral disk-shaped structure.

[0064] Similar to Embodiment 1, the induction coil 21 is configured as a spiral disk-shaped structure. The purpose is to increase the magnetic field strength and coverage area of ​​the alternating electromagnetic field generated by the induction coil 21, thereby enhancing the heating rate of the locking mechanism and / or the vehicle body, and thus improving the ice melting efficiency.

[0065] In Embodiment 1 and Embodiment 2, the arrangement of the locking mechanism and the arrangement of the induction coil 21 are not limited, and can be any of the following embodiments:

[0066] Example 1: As Figure 6 , Figure 7 As shown, there are multiple locking mechanisms, which are set on the battery pack at preset positions. The number of induction coils 21 is equal to the number of locking mechanisms and they are aligned one-to-one. Setting multiple locking mechanisms and setting them at preset positions on the battery pack enables multi-point fixation of the battery pack, improving the installation stability of the battery pack, while reducing the stress on individual locking mechanisms. The one-to-one alignment of the number of induction coils 21 with the locking mechanisms allows each induction coil 21 to synchronously heat its corresponding locking mechanism, improving the de-icing accuracy of the de-icing device on the locking mechanisms and helping to improve de-icing efficiency.

[0067] Example 2: Figure 2 , Figure 4 As shown, the locking mechanism has two rows, arranged along the length of the battery pack on both sides. The induction coils 21 are correspondingly arranged in two rows, spaced apart from the locking mechanism. Arranging the locking mechanism in two rows along the length of the battery pack on both sides enhances the load-bearing stability of the battery pack and reduces the stress on the locking mechanism. Simultaneously, the arrangement of the induction coils 21 in two rows, aligned with the two rows of locking mechanisms, achieves uniform heating of the locking mechanism.

[0068] As a preferred embodiment of implementation methods one and two, such as Figure 8 As shown, the electromagnetic heating unit 2 also includes an upper plate 22 located at the top of the body 1 and a lower plate 23 located below the upper plate 22. The induction coil 21 is located between the upper plate 22 and the lower plate 23 and is fixed to the lower surface of the upper plate 22.

[0069] By setting up an upper plate 22 and a lower plate 23, and placing the induction coil 21 between the upper plate 22 and the lower plate 23, the induction coil 21 can be protected to a certain extent. The upper plate 22 can stop the dripping ice water from above, and the lower plate 23 can prevent debris or other objects protruding from the ground from affecting the induction coil 21. Fixing the induction coil 21 to the lower surface of the upper plate 22 can shorten the distance between the induction coil 21 and the locking mechanism and / or the vehicle body, thereby covering the locking mechanism and / or the vehicle body in an area with a relatively dense alternating electromagnetic field, allowing the locking mechanism and / or the vehicle body to heat up quickly, which helps to improve the ice melting efficiency.

[0070] Preferably, the outer edges of the upper plate 22 and the lower plate 23 are connected by side plates 24, so that the upper plate 22 and the lower plate 23 are sealed to form a mounting cavity for accommodating the induction coil 21.

[0071] A side plate 24 is provided to connect the outer edges of the upper plate 22 and the lower plate 23, forming a mounting cavity. This provides a relatively independent working space for the induction coil 21, further reducing the possibility of interference from the external environment to the induction coil 21 and helping to improve the working stability of the de-icing device.

[0072] As a preferred example in this embodiment, such as Figure 10 As shown, the upper surface of the upper plate 1 is provided with at least one downwardly recessed water tank 8 and a drainage channel 9 connected to the water tank 8. The water tank 8 is used to contain the ice water that melts after the bottom of the vehicle body and / or the locking mechanism is heated. The drainage channel 9 extends from the water tank 8 to the outer edge of the upper plate 22 to guide the ice water out. The water tank 8 and the drainage channel 9 are respectively offset from the electromagnetic heating unit 2.

[0073] By setting up a water tank 8 and a drainage channel 9, a space for containing the melted ice water and a drainage channel are provided. Since the water tank 8 is lower than the rest of the upper surface of the upper plate 22, the ice water dripping onto the upper plate 22 can slide down into the water tank 8 under the action of gravity, and flow out of the upper plate 22 under the guidance of the drainage channel 9, thereby realizing the discharge of ice water to the outside of the upper plate 22, avoiding the accumulation of ice water on the upper plate 22, and helping to reduce the cleaning pressure on the de-icing device. Furthermore, by setting the water tank 8 and the drainage channel 9 to be staggered with the electromagnetic heating unit 2, it is possible to avoid the instability of the installation of the electromagnetic heating unit 2 caused by the unevenness of the upper plate 22, which helps to improve the installation strength of the electromagnetic heating unit 2.

[0074] This example does not limit the number or arrangement of the drainage channels. Each water tank can have one drainage channel, or each water tank can be connected to multiple drainage channels. The drainage channels can extend in a straight line to the outer edge of the upper plate, or they can bend and extend to the outer edge of the upper plate.

[0075] As another preferred example under this embodiment, such as Figure 1 As shown, the position where the induction coil 21 is installed on the upper plate 22 is the installation area 7. The upper plate 22 has a first flow port 3 that passes through the upper plate 22. The first flow port 3 is not on the installation area 7 and the first flow port 3 is lower than the installation area 7 in the height direction. The first flow port 3 is connected to the installation area 7 by an inclined guide surface. The lower plate 23 has a second flow port that corresponds to the position of the first flow port 3, so that the ice water melted after the bottom of the vehicle body and / or the locking mechanism is heated flows out through the first flow port 3 and the second flow port.

[0076] By setting the first overflow port 3 and the second overflow port, a discharge channel is provided for the ice water falling onto the upper plate 22. Since there is a height difference between the first overflow port 3 and the installation area 7, and the first overflow port 3 and the installation area 7 are connected by an inclined guide surface, when the ice water falls onto the upper plate 22, it will slide down the guide surface to the first overflow port 3 under the action of gravity, and then continue to move downward under the action of gravity and flow out from the second overflow port. This avoids the accumulation of ice water on the upper plate 22, especially in the installation area 7, thereby avoiding the impact of ice water on the operation of the induction coil 21 and helping to reduce the cleaning pressure on the de-icing device.

[0077] This example does not limit the number or location of the overcurrent ports. In one approach, such as... Figure 1 As shown, there is one first flow port 3 and one second flow port, respectively located at the center of the upper plate 22 and the lower plate 23. Setting the number of first and second flow ports to one reduces the processing difficulty of the upper plate 22 and the lower plate 23, and maintains the structural strength of the upper plate 22 and the lower plate 23 as much as possible. Especially for the upper plate 22, a higher structural strength allows it to better support the induction coil 21. Furthermore, placing the first and second flow ports at the center of the upper plate 22 and the lower plate 23 ensures that the distance between the first flow port 3 and the upper surface of the upper plate 22 is relatively uniform, and the slope of the guide surface is the same for all parts, allowing the ice water to slide more easily into the first flow port 3. In another embodiment, there are multiple first and second flow ports 3, which are aligned and arranged on the upper plate 22 and the lower plate 23. Setting the number of first overflow port 3 and second overflow port to multiple can improve the collection efficiency of ice water on the upper plate 22 and reduce the risk of ice water accumulating on the upper plate 22.

[0078] Preferably, the body 1 also includes a base located below the electromagnetic heating unit 2. A lifting mechanism is provided between the base and the electromagnetic heating unit 2, allowing the electromagnetic heating unit 2 to be adjusted to different heights relative to the base to de-ice battery swapping vehicles of different heights. By providing the base and the lifting mechanism at the bottom of the base, the electromagnetic heating unit 2 can be raised to a suitable height by lifting the base, thereby covering the locking mechanism and / or the vehicle body in the alternating electromagnetic field, thus achieving rapid heating of the locking mechanism and / or the bottom of the vehicle body for rapid de-icing.

[0079] This application does not limit the structural form and type of the lifting mechanism, which can be a jack, hydraulic jack, electric jack, etc.

[0080] Furthermore, a horizontal moving mechanism is provided between the base and the electromagnetic heating unit 2, so that the electromagnetic heating unit 2 can be adjusted to a horizontal position relative to the base to align with the bottom of the vehicle body and / or the locking mechanism.

[0081] A horizontal moving mechanism is set between the base and the electromagnetic heating unit 2, which can adjust the horizontal position of the electromagnetic heating unit 2, thereby adjusting the electromagnetic heating unit 2 to a position relative to the locking mechanism and / or the vehicle body, enhancing the accuracy of the alternating electromagnetic field in covering the de-icing area and improving the de-icing efficiency.

[0082] Preferably, the horizontal moving mechanism can be set between the base and the electromagnetic heating unit 2 and below the lifting mechanism. The horizontal moving mechanism synchronously drives the lifting mechanism and the electromagnetic heating unit to move horizontally until they are aligned with the locking mechanism and / or the bottom of the vehicle body.

[0083] Furthermore, the horizontal moving mechanism includes a drive motor and a lead screw. The rotating output shaft of the drive motor drives the lead screw to move horizontally, thereby achieving horizontal movement of the lifting mechanism and the electromagnetic heating unit.

[0084] Preferably, the base is equipped with multiple casters. When the operator pushes the de-icing device to move, the casters can increase the smoothness of the movement of the de-icing device, so that the de-icing device can move in all directions.

[0085] Furthermore, the de-icing device also includes a position detector, which can detect the height and horizontal position of the electromagnetic heating unit 2 relative to the bottom of the vehicle body and / or the locking mechanism, so as to control the lifting mechanism and / or the horizontal moving mechanism to adjust the position of the electromagnetic heating unit 2.

[0086] By setting a position detector, the alignment of the electromagnetic heating unit 2 with the bottom of the vehicle body and / or the locking mechanism can be automatically detected, and the horizontal movement mechanism can be controlled to adjust the horizontal position of the electromagnetic heating unit 2 so that the electromagnetic heating unit 2 is aligned with the locking mechanism and / or the bottom of the vehicle body. After the electromagnetic heating unit 2 is aligned with the locking mechanism and / or the bottom of the vehicle body, the lifting mechanism is then controlled to raise the electromagnetic heating unit 2 to the designated position, thus achieving the coverage of the locking mechanism and / or the bottom of the vehicle body by the alternating electromagnetic field. The operator does not need to observe the relative position of the electromagnetic heating unit 2 with the locking mechanism and / or the bottom of the vehicle body, which reduces the alignment difficulty for the operator and helps to improve the de-icing efficiency.

[0087] Furthermore, when the electromagnetic heating unit 2 is in the heating position, the distance between the electromagnetic heating unit 2 and the bottom of the vehicle body and / or the locking mechanism is 10-30mm. Setting the distance between the electromagnetic heating unit 2 and the bottom of the vehicle body and / or the locking mechanism to 10-30mm places the bottom of the vehicle body and / or the locking mechanism in a dense area of ​​alternating electromagnetic field, enabling rapid heating of the bottom of the vehicle body and / or the locking mechanism, increasing the ice melting speed. Furthermore, the existence of a certain distance between the bottom of the vehicle body and / or the locking mechanism and the electromagnetic heating unit 2 reduces the impact of the bottom of the vehicle body and / or the locking mechanism at high temperatures on the electromagnetic heating unit 2. In this embodiment, the distance between the electromagnetic heating unit 2 and the bottom of the vehicle body and / or the locking mechanism can be any value between 10-30mm, such as 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 20mm, 29mm, 29.1mm, etc.

[0088] Preferably, the upper plate 22 and / or the lower plate 23 are made of fiberglass material. The upper plate 22 and lower plate 23, made of fiberglass material, have good heat insulation properties, which can effectively reduce the transfer of heat emitted by the locking mechanism and / or the vehicle body to the electromagnetic heating unit 2 under high-temperature conditions, thus helping to extend the service life of the electromagnetic heating unit 2.

[0089] As a preferred embodiment of this application, such as Figure 9 As shown, the de-icing device also includes a power supply unit for providing power to the induction coil 21. The power supply unit is located on the body 1 and on the side away from the electromagnetic heating unit 2. The body 1 includes a first support part 4 for supporting the electromagnetic heating unit 2 and a second support part 5 for supporting the power supply unit. A through channel 6 is provided between the first support part 4 and the second support part 5, so that the cable of the power supply unit passes through the through channel 6 and is connected to the induction coil 21.

[0090] By setting up the first support part 4, the second support part 5, and the connecting channel 6, relatively independent installation spaces are provided for the electromagnetic heating unit 2, the power supply unit, and the cable, respectively, avoiding mutual interference between the components. In addition, the first support part 4, the second support part 5, and the connecting channel 6 can protect the electromagnetic heating unit 2, the power supply unit, and the cable, which helps to improve the working stability of the de-icing device.

[0091] Preferably, the cable is made of flexible, high-temperature resistant insulating materials, such as silicone rubber, fluororubber, ceramic aerogel, polytetrafluoroethylene, etc.

[0092] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0093] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0094] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A de-icing device for de-icing a battery-swapping vehicle, wherein the battery pack of the battery-swapping vehicle is mounted on the bottom of the vehicle body via a locking mechanism to facilitate quick swapping of the battery pack, characterized in that, The de-icing device includes a movable body and an electromagnetic heating unit installed on the body. The electromagnetic heating unit can generate an alternating electromagnetic field around it. The body can move to the bottom of the battery swapping vehicle and heat up the bottom of the vehicle and / or the locking mechanism under the action of the alternating electromagnetic field of the electromagnetic heating unit to perform de-icing operation on the bottom of the vehicle and / or the locking mechanism.

2. The de-icing device according to claim 1, characterized in that, The electromagnetic heating unit is composed of multiple interconnected induction coils; the induction coils are composed of multiple concentric circular coils connected in order of increasing diameter, or the induction coils have a spiral disk-shaped structure.

3. The de-icing device according to claim 2, characterized in that, There are multiple locking mechanisms, which are arranged on the battery pack at preset positions. The number of induction coils is equal to the number of locking mechanisms and they are aligned one-to-one. Alternatively, there are two rows of locking mechanisms arranged along the length of the battery pack on both sides of the battery pack. The induction coils are arranged in two corresponding rows and are spaced apart from the locking mechanisms.

4. The de-icing device according to claim 2, characterized in that, The electromagnetic heating unit further includes an upper plate located at the top of the body and a lower plate located below the upper plate, and the induction coil is located between the upper plate and the lower plate and fixed to the lower surface of the upper plate; Preferably, the outer edges of the upper plate and the lower plate are connected by side plates, so that the upper plate and the lower plate are sealed to form a mounting cavity for accommodating the induction coil.

5. The de-icing device according to claim 4, characterized in that, The upper surface of the upper plate is provided with at least one downwardly recessed water-receiving groove and a drainage groove connected to the water-receiving groove. The water-receiving groove is used to contain the ice water that melts after the bottom of the vehicle body and / or the locking mechanism is heated. The drainage groove extends from the water-receiving groove to the outer edge of the upper plate to guide the ice water out. The water-receiving groove and the drainage groove are respectively offset from the electromagnetic heating unit.

6. The de-icing device according to claim 4, characterized in that, The position where the induction coil is installed on the upper plate is the installation area. The upper plate has a first flow port that penetrates through the upper plate. The first flow port is not on the installation area and is lower than the installation area in the height direction. The first flow port is connected to the installation area by an inclined guide surface. The lower plate has a second flow port that corresponds to the position of the first flow port, so that the ice water melted after the bottom of the vehicle body and / or the locking mechanism is heated flows out through the first flow port and the second flow port. Preferably, the number of the first flow port and the second flow port is one, and they are respectively opened at the center position of the upper plate and the lower plate.

7. The de-icing device according to any one of claims 1-6, characterized in that, The body also includes a base located below the electromagnetic heating unit. A lifting mechanism is provided between the base and the electromagnetic heating unit, allowing the electromagnetic heating unit to be adjusted to different heights relative to the base to de-ice battery swapping vehicles of different heights; and / or, a horizontal moving mechanism is provided between the base and the electromagnetic heating unit, allowing the electromagnetic heating unit to be adjusted to a horizontal position relative to the base to align with the bottom of the vehicle body and / or the locking mechanism. Preferably, the de-icing device further includes a position detector, which can detect the height and horizontal position of the electromagnetic heating unit relative to the bottom of the vehicle body and / or the locking mechanism, so as to control the lifting mechanism and / or the horizontal moving mechanism to adjust the position of the electromagnetic heating unit.

8. The de-icing device according to claim 7, characterized in that, When the electromagnetic heating unit is in the heating position, the distance between the electromagnetic heating unit and the bottom of the vehicle body and / or the locking mechanism is 10-30mm.

9. The de-icing device according to any one of claims 4 to 6, characterized in that, The upper plate and / or the lower plate are made of fiberglass material.

10. The de-icing device according to any one of claims 1-6, characterized in that, The de-icing device also includes a power supply unit for providing power to the induction coil. The power supply unit is disposed in the body and located on the side away from the electromagnetic heating unit. The body includes a first support part for supporting the electromagnetic heating unit and a second support part for supporting the power supply unit. A through channel is provided between the first support part and the second support part, so that the cable of the power supply unit passes through the through channel and is connected to the induction coil.

Images