Automatic plug-in device for photovoltaic battery vehicle and power storage

Abstract

The present invention belongs to the technical field of photovoltaic storage batteries. Specifically, it is an automatic plug-in device for a photovoltaic battery vehicle and a power warehouse, comprising a docking frame, a power interface is provided on the top of the front of the docking frame, a half-joint is fixedly installed on the inner side wall of the power interface, a plug-in shell is fixedly installed on the outer side of the power interface, the outer arc surface of the power interface is sleeved with a conical shell, the middle section of the outer arc surface of the conical shell is provided with an arc-shaped abutting surface, one end of the arc-shaped abutting surface is provided with a bent section near the power interface, the upper surface of the bent section is placed in the inner side wall of the power interface, and the head component is accurately inserted under the guidance of the conical shell guide structure, and then the locking component and the plug-in component automatically complete the locking and sealing without manual intervention. Compared with the traditional manual plug-in and unplugging method, the connection time is shortened and the working efficiency is improved. It is suitable for scenarios with high response speed requirements such as emergency power supply, and can quickly meet the power needs of the power warehouse.

Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic storage batteries, in particular to an automatic plugging device for a photovoltaic storage battery vehicle and a power storage compartment. Background Art

[0002] Against the backdrop of the global energy structure accelerating its transition to renewable energy, the integrated photovoltaic and storage system, with its characteristics of converting solar energy into electricity and realizing flexible storage and deployment, has become a key technical path to promote the green development of energy. As a mobile energy storage unit in the integrated photovoltaic and storage system, the photovoltaic battery vehicle can realize the flexible transportation and distribution of electricity and can be widely used in scenarios such as emergency power supply, distributed energy access, and power supply security in remote areas. However, the efficiency and stability of power transmission between the photovoltaic battery vehicle and the power storage warehouse has become the core bottleneck restricting its large-scale application.

[0003] The power warehouse is a terminal facility for receiving and using electricity, which can provide power support for surrounding areas and equipment. When used in conjunction with a photovoltaic battery vehicle, the power warehouse is connected to the photovoltaic battery vehicle through an automatic plug-in device, receiving the electricity transported by the battery vehicle to meet the electricity needs of itself and related areas.

[0004] A Chinese invention patent, published as CN104934767A, discloses a rotating, self-locking, pin-out electrical connection device, as well as a socket and plug, belonging to the field of conductive connection devices. The plug's plug-in pin has at least one self-locking portion on its sidewall. This portion is a circular hole, a groove with a curved surface, or a protruding point. The socket's receptacle is equipped with a socket self-locking portion that corresponds to the self-locking portion and locks the plug when the plug is rotated through a predetermined angle. The socket self-locking portion includes a retractable locking member with a convex or concave curved surface or a circular hole. This locking member cooperates with the self-locking portion to automatically lock the plug. The socket has an insertion position for inserting the plug and a power-on position, where the plug and socket are rotated through a predetermined angle to contact and energize the socket. The invention facilitates force application during rotational power-on, and the self-locking function is stable and reliable. The socket panel of the present invention has only a single, rotatable insertion and extraction notch, allowing the plug to be directly removed from the power-on position, resulting in faster power-off.

[0005] However, the above technologies often have the following defects: when used in the connection scenario between the photovoltaic battery vehicle and the power storage warehouse, the connection process between the photovoltaic battery vehicle and the power storage warehouse has high requirements for the docking process, and the rotating self-locking connection device requires manual guidance of the plug to be inserted and manually rotated to achieve connection, and still needs to rely on manual assistance. Moreover, during the manual operation process, the alignment of the plug and the socket will be deviated due to human operating errors, affecting the subsequent power transmission. Any looseness of the photovoltaic system in power transmission may cause poor contact, resulting in a decrease in power transmission efficiency.

[0006] To this end, the present invention provides an automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment. Summary of the Invention

[0007] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0008] The technical solution adopted by the present invention to solve its technical problem is: an automatic plug-in device for connecting a photovoltaic battery vehicle and a power warehouse according to the present invention comprises a docking frame, the top of the front face of the docking frame is provided with a power interface, the inner side wall of the power interface is fixedly installed with a half-body joint, the outer side of the power interface is fixedly installed with a plug-in shell, the outer arc surface of the power interface is sleeved with a conical shell, the middle section of the outer arc surface of the conical shell is provided with an arc-shaped abutting surface, one end of the arc-shaped abutting surface is provided with a bent section near the power interface, the upper surface of the bent section is placed in the inner side wall of the power interface, a contact piece is movably sleeved between the arc-shaped abutting surface and the bent section, one end of the contact piece near the bent section is provided with a rest end, the side of the contact piece away from the rest end is provided with an elastic bow surface, a support portion is provided between the rest end and the elastic bow surface, and a locking assembly is fitly connected to the support portion of the outer arc surface of the contact piece;

[0009] The locking assembly includes a radial connecting rib sleeved on the inner arc surface of the conical shell, and the inner arc surface of the radial connecting rib is provided with a deformation cavity.

[0010] An opening is provided on one side of the outer arc surface of the radial connecting rib, the top of the outer arc surface of the radial connecting rib fits with the inner arc surface of the arc-shaped abutting surface, and the bottom of the outer arc surface of the radial connecting rib abuts with a tightening tongue.

[0011] The bottom of the outer arc surface of the tightening tongue close to the radial connecting rib is provided with a pressing surface, and the end of the tightening tongue away from the pressing surface is provided with a pressing end, and the top of the pressing end is connected to the extending elastic surface.

[0012] The lower surface of the pressing end is placed on the top of the elastic bow surface, and the contact piece and the outer arc surface of the tightening tongue are both provided with plug-in grooves, and the plug-in grooves on both sides are in the same plane.

[0013] The bottom surface of the elastic bow surface in the contact piece abuts against the half-body joint, and the outer arc surface of the half-body joint is sleeved with a plug-in component. The plug-in component includes a positioning support sleeved on the outer arc surface of the half-body joint, and auxiliary holes are opened on both sides of the front of the positioning support.

[0014] Elastic arms are provided on both sides of the positioning support, one end of the elastic arm is placed in the inner bottom wall of the power interface, and the outer arc surface of the elastic arm abuts against the inner side wall of the power interface.

[0015] The inner arc surface of the auxiliary hole is movably sleeved with a plug sleeve, the outer arc surface of the plug sleeve is provided with an outer flange, and one side surface of the outer flange is placed on the back of the positioning support.

[0016] One end of the plug sleeve is provided with a connecting section, one side of the connecting section is provided with an inner groove, the inner arc surface of the inner groove is fixedly mounted with a spring, and a load-bearing end is provided at the connection between the plug sleeve and the spring.

[0017] The end face of the bearing end is fixedly connected to the spring, and a sliding sleeve is fixedly installed on the other end of the spring. The inner arc surface of the sliding sleeve is provided with a guide surface. There are two plug-in sleeves, which are distributed inside the two auxiliary holes in a mirror-symmetrical manner.

[0018] The outer arc surface of the sliding sleeve is provided with heat dissipation holes, the interior of the sliding sleeve is a hollow structure, and the guide surface in the sliding sleeve is sleeved on the outer arc surface of the half-body joint.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The head component is precisely inserted under the guidance of the conical shell guide structure, and then the locking component and the plug-in component automatically complete the locking and sealing without manual intervention. Compared with the traditional manual plug-in method, it shortens the connection time and improves the working efficiency. It is suitable for scenarios with high response speed requirements such as emergency power supply, and can quickly meet the power needs of power warehouses.

[0021] 2. The precise guiding structure formed by the bent section of the conical shell and the arc-shaped abutment surface, in conjunction with the synergistic effect of the contact piece, locking assembly and plug-in assembly, ensures that the plug component can be accurately inserted into the power interface. The contraction and clamping force generated by the locking assembly on the contact piece, and the double locking structure formed by the plug-in assembly, reduce the contact resistance to an extremely low level, ensuring stable and efficient transmission of electric energy, reducing power loss, and improving the overall energy efficiency of the photovoltaic storage system.

[0022] 3. The elastic arm undergoes elastic deformation during the plug insertion process and abuts against the inner wall of the power interface, which not only plays a role in precise positioning, but also effectively cushions the impact force when the plug is inserted and protects the internal connection components. At the same time, the deformation cavity automatically starts after the plug is inserted into place, quickly filling the interface gap, isolating external dust and moisture, and eliminating leakage, providing all-round safety protection for the power transmission process, reducing the risk of equipment failure and safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings.

[0024] Figure 1 This is a three-dimensional diagram of the docking frame of the photovoltaic battery vehicle of the present invention;

[0025] Figure 2It is a schematic diagram of the overall structure of the power interface of the present invention;

[0026] Figure 3 It is a schematic diagram of the docking plane structure of the present invention;

[0027] Figure 4 It is a schematic diagram of the overall vertical structure of the conical shell in the present invention;

[0028] Figure 5 This is a schematic diagram showing the internal plan view of the present invention;

[0029] Figure 6 It is a schematic diagram of the disassembled structure of the conical housing and the contact member in the present invention;

[0030] Figure 7 This is a schematic diagram of the disassembled structure of the plug-in assembly in the present invention;

[0031] Figure 8 It is a partial cross-sectional structural diagram of the plug-in assembly of the present invention;

[0032] Figure 9 In the present invention Figure 5 Schematic diagram of the enlarged structure at A in the middle;

[0033] Figure 10 This is a schematic diagram of the battery car plug-in structure of the present invention;

[0034] Figure 11 It is a schematic diagram of the overall three-dimensional cross-sectional structure of the present invention.

[0035] In the figure: 1. Docking frame; 2. Power interface; 3. Half-body connector; 4. Plug-in housing;

[0036] 5. Conical housing; 51. Arc-shaped abutting surface; 52. Bend section;

[0037] 6. Contact piece; 61. Abutment end; 62. Elastic bow surface

[0038] 7. Locking assembly; 71. Radial connecting rib; 72. Deformation cavity; 73. Tightening tongue; 74. Pressing surface; 75. Pressing end; 76. Extended spring surface; 77. Insertion slot; 78. Opening;

[0039] 8. Plug-in assembly; 81. Positioning support; 82. Auxiliary hole; 83. Elastic arm; 84. Plug-in sleeve; 841. Outer flange; 842. Connecting section; 843. Inner groove; 844. Load-bearing end; 85. Spring; 86. Sliding sleeve; 861. Lead-in surface. DETAILED DESCRIPTION

[0040] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0041] like Figure 1 、 Figure 2 and Figure 3 As shown, the embodiment of the present invention includes a docking frame 1, an electrical interface 2 is provided on the top of the front of the docking frame 1, a half-joint 3 is fixedly installed on the inner side wall of the electrical interface 2, a plug-in shell 4 is fixedly installed on the outer side of the electrical interface 2, a conical shell 5 is sleeved on the outer arc surface of the electrical interface 2, an arc-shaped abutting surface 51 is provided in the middle section of the outer arc surface of the conical shell 5, and a bent section 52 is provided at one end of the arc-shaped abutting surface 51 near the electrical interface 2, and the upper surface of the bent section 52 is placed on the inner side wall of the electrical interface 2. A contact piece 6 is movably connected between the arc-shaped abutting surface 51 and the bent section 52. The end of the contact piece 6 close to the bent section 52 is provided with a resting end 61, and the side of the contact piece 6 away from the resting end 61 is provided with an elastic bow surface 62. A support portion is provided between the resting end 61 and the elastic bow surface 62. A locking assembly 7 is fitted and connected to the support portion of the outer arc surface of the contact piece 6. The locking assembly 7 includes a radial connecting rib 71 that is sleeved on the inner arc surface of the conical shell 5, and the inner arc surface of the radial connecting rib 71 is provided with a deformation cavity 72.

[0042] In the initial state, the docking frame 1 is installed in a suitable position in the power warehouse, the power interface 2 is exposed to the outside, the half connector 3, the plug shell 4, the conical shell 5, the contact 6 and the locking assembly 7, and the plug assembly 8 are all in an inoperative state. At this time, the arc-shaped abutting surface 51 of the conical shell 5 and the bent section 52 together constitute a guiding structure. The special curved surface design of the bent section 52 guides the direction for subsequent plug docking; the abutting end 61 of the contact 6 is placed on the inner wall of the power interface 2, and the elastic bow surface 62 maintains a natural curvature. In the locking assembly 7, the radial connecting rib 71 fits the inner arc surface of the conical shell 5, and the tightening tongue 73 stretches freely. The various components cooperate with each other to form a stable initial structure.

[0043] During the photovoltaic power generation stage, the photovoltaic panels on the photovoltaic storage battery car convert the absorbed solar energy into electrical energy through the photoelectric conversion principle, and stably store the electrical energy in the battery pack in the battery car through the on-board charging management system. When the power warehouse needs electricity, the fully charged photovoltaic storage battery car is transported to the location of the power warehouse by a truck. Multiple laser positioning piles are installed at the entrance and surrounding areas of the power warehouse. The laser receiver on the battery car receives the laser signal emitted by the positioning piles. The relative position and angle deviation between the battery car and the power warehouse are calculated through the on-board control system, and the driving direction and speed of the battery car are adjusted in real time so that the battery car can accurately enter the power warehouse. At the same time, guide wheels can be set at the bottom of the battery car to cooperate with the guide rails preset on the ground of the power warehouse to further ensure that the battery car can move along a precise path and achieve precise alignment with the power interface 2. The automatic plug-in and disconnection processes are automatically performed by the battery car. The operation process is simple and clear, which reduces the workload and skill requirements of the operator.

[0044] As the plug goes deeper, the liquid cooling connection port reserved inside the plug will precisely dock with the pipe interface of the liquid cooling mechanism in the power consumption compartment. When the plug is inserted into place, the pipes of the liquid cooling mechanism in the power consumption compartment are seamlessly connected with the liquid cooling channels in the mobile battery car. At this time, the circulation pump starts, and the coolant begins to flow in the liquid cooling circulation system of the battery car and the power consumption compartment. During the power transmission process, the heat generated by the battery pack and conductive components is absorbed and carried away by the coolant in the liquid cooling channel. After dissipation of heat by the radiator in the power consumption compartment, the low-temperature coolant flows into the battery car again, forming an efficient heat dissipation cycle, ensuring that the battery car maintains a suitable temperature during operation, and avoiding overheating that affects battery performance and service life.

[0045] When the battery cart moves to the vicinity of the power interface 2, the automatic plugging process begins. The plug component on the battery cart gradually approaches the power interface 2 under the push of the driving device. The plug first contacts the bent section 52 of the conical shell 5. The curved surface design of the bent section 52 plays a secondary guiding role, guiding the plug to smoothly enter the power interface 2 along the arc-shaped abutting surface 51 of the conical shell 5. During the advancement of the plug, the contact piece 6 is squeezed, and the contact piece 6 moves along the arc-shaped abutting surface 51 in the direction away from the power interface 2. The elastic bow surface 62 is deformed. (According to Hooke's law), the deformation of the elastic bow surface 62 generates a strong elastic restoring force. The generated thrust acts on the downward pressing end 75 of the tightening tongue 73, and the tightening tongue 73 rotates around the connection point with the radial connecting rib 71. The pressing surface 74 gradually fits the outer arc surface of the radial connecting rib 71. The locking or release is achieved through the relative movement of the two. The actual rotating component is the tightening tongue 73, not the radial connecting rib 71. The radial connecting rib 71 serves as a fixed fulcrum, providing a rotation point for the tightening tongue 73. When the plug is inserted, the contact 6 is squeezed, and its elastic bow surface 62 is deformed to generate thrust, which acts on the downward pressing end 75 of the tightening tongue 73. The tightening tongue 73 and the radial connecting rib 71 are hinged at a hinge position as a rotation fulcrum. The downward pressing end 75 of the tightening tongue 73 is the force point, and the hinge point is used as a fulcrum to rotate toward the outer arc surface of the radial connecting rib 71, so that the tightening surface 74 gradually fits the outer arc surface, driving the locking assembly 7 to contract and achieve radial locking. As a fulcrum, the radial connecting rib 71 must not move to convert the thrust of the contact 6 into the rotational torque of the tightening tongue 73 through the lever principle. The structure at the opening 78 undergoes elastic deformation, and the entire locking assembly 7 generates a contraction and clamping force on the contact 6, pressing the contact 6 tightly against the surface of the plug component, achieving close contact between the plug and the contact 6, and effectively reducing the contact resistance.

[0046] like Figure 4 、 Figure 7 and Figure 8As shown, the bottom surface of the elastic bow surface 62 in the contact member 6 abuts against the half-body joint 3, and the outer arc surface of the half-body joint 3 is sleeved with a plug-in component 8, which includes a positioning support 81 sleeved on the outer arc surface of the half-body joint 3, and auxiliary holes 82 are opened on both sides of the front of the positioning support 81.

[0047] Elastic arms 83 are provided on both sides of the positioning support 81, one end of the elastic arm 83 is placed in the inner bottom wall of the power interface 2, the outer arc surface of the elastic arm 83 is in contact with the inner side wall of the power interface 2, the inner arc surface of the auxiliary hole 82 is movably connected with a plug sleeve 84, the outer arc surface of the plug sleeve 84 is provided with an outer flange 841, one side surface of the outer flange 841 is placed on the back of the positioning support 81, one end of the plug sleeve 84 is provided with a connecting section 842, one side of the connecting section 842 is provided with an inner groove 843, a spring 85 is fixedly installed on the inner arc surface of the inner groove 843, a bearing end 844 is provided at the connection between the plug sleeve 84 and the spring 85, the end face of the bearing end 844 is fixedly connected to the spring 85, and the other side of the spring 85 A sliding sleeve 86 is fixedly installed at one end, and the inner arc surface of the sliding sleeve 86 is provided with an introduction surface 861. There are two plug-in sleeves 84, which are distributed in a mirror-symmetrical manner inside the two auxiliary holes 82. The outer arc surface of the sliding sleeve 86 is provided with heat dissipation holes. The interior of the sliding sleeve 86 is a hollow structure. The introduction surface 861 in the sliding sleeve 86 is sleeved on the outer arc surface of the half-body joint 3. The heat dissipation holes provided on the outer arc surface of the sliding sleeve 86 and the hollow structure inside can form a convection channel with the outside air. The hollow structure expands the internal air circulation space. When current passes through the conductive parts of the half-body joint 3 to generate heat, the heat will be conducted to the sliding sleeve 86, and the heat dissipation will be accelerated through the heat dissipation holes and the hollow structure, effectively reducing the temperature of the plug-in part.

[0048] At the same time, the plug component pushes the sleeve 86 to slide in the plug sleeve 84, and the guide surface 861 of the sleeve 86 cooperates with the plug component to make the plug insertion smoother. The spring 85 is compressed during the sliding process of the sleeve 86. When the plug component is fully inserted into place, the elastic force of the spring 85 acts on the plug sleeve 84 through the load-bearing end 844, so that the outer flange 841 of the plug sleeve 84 tightly presses against the positioning support 81, further enhancing the connection stability between the plug and the half-body joint 3. The elastic arm 83 elastically deforms during the plug insertion process and tightly presses against the inner side wall of the power interface 2, which not only plays a positioning role, but also effectively buffers the impact force when the plug is inserted and protects the internal connection components. In addition, a deformation chamber 72 is provided at the contact part between the power interface 2 and the plug component. When the plug is inserted into place, the deformation chamber 72 is automatically inflated by air to fill the gap at the interface to prevent external dust and water vapor from entering, while avoiding leakage during the plugging process to ensure power safety.

[0049] like Figure 5 、 Figure 6 and Figure 9As shown, an opening 78 is provided on one side of the outer arc surface of the radial connecting rib 71, the top of the outer arc surface of the radial connecting rib 71 fits with the inner arc surface of the arc-shaped abutting surface 51, and the bottom of the outer arc surface of the radial connecting rib 71 abuts with a tightening tongue 73. The tightening tongue 73 is provided with a pressing surface 74 near the bottom of the outer arc surface of the radial connecting rib 71, and the end of the tightening tongue 73 away from the pressing surface 74 is provided with a pressing end 75, and the top of the pressing end 75 is connected to the extended elastic surface 76, and the lower surface of the pressing end 75 is placed on the top of the elastic bow surface 62. The outer arc surfaces of the contact piece 6 and the tightening tongue 73 are both provided with plug-in grooves 77, and the plug-in grooves 77 on both sides are in the same plane.

[0050] When the power storage compartment has completed the energy replenishment and needs to separate the photovoltaic battery car from the power storage compartment, the reverse operation is performed. The battery car slowly moves backward under the command of the control system, and the plug component is pulled out from the power interface 2. As the plug component is pulled out, the elastic bow surface 62 gradually recovers its deformation, and the pressure on the tightening tongue 73 is reduced. The tightening tongue 73 is reset under the action of its own elasticity and related components, and the holding force of the locking assembly 7 on the contact 6 is released. At the same time, the spring 85 returns to its original state, pushing the sliding sleeve 86 to reset, the plug sleeve 84 is separated from the plug component, and the elastic arm 83 also returns to its initial state. The sealing structure is deflated or contracted. The entire automatic plug-in device returns to its initial state. As for axial locking, on the one hand, when the plug component is fully inserted into place, the spring 85 acts on the plug sleeve 84 through the load-bearing end 844, so that the outer flange 841 is tightly against the positioning support 81, forming a double locking structure, which ensures the stability of the plug in the axial direction and prevents it from easily falling out of the axial direction. On the other hand, the elastic arm 83 undergoes elastic deformation during the plug insertion process and tightly abuts against the inner wall of the power interface 2, which not only plays a positioning role, but also can buffer the axial external force impact to a certain extent, further enhancing the axial stability.

[0051] In practical applications, the size of the docking frame 1, the specifications of the power interface 2 and the specific parameters of each component can be adjusted accordingly according to the different specifications of photovoltaic battery vehicles and power warehouses to ensure the compatibility and applicability of the automatic plug-in device.

[0052] Specific steps:

[0053] The on-board sensor detects the signal sent by the power interface 2 and automatically triggers the plug-in program. The plug component on the battery car is pushed by the driving mechanism to move toward the power interface 2. The front end of the plug first contacts the bent section 52 of the conical shell 5. The curved surface of the bent section 52 uses the principle of inclined plane mechanics to decompose the oblique force of the plug into horizontal propulsion force and vertical guiding force, guiding the plug to slide along the arc-shaped abutment surface 51 into the power interface 2.

[0054] As the plug goes deeper, its outer surface squeezes the contact piece 6. The contact piece 6 has good elastic deformation ability and moves backward along the arc-shaped abutting surface 51 after being subjected to force. Its elastic bow surface 62 is deformed. According to the principle of elastic mechanics, the deformation of the elastic bow surface 62 generates an elastic restoring force, which is transmitted to the lower pressing end 75 of the tightening tongue 73. The tightening tongue 73 is hinged to the radial connecting rib 71 and rotates around the hinge point under the action of the elastic restoring force, so that the pressing surface 74 fits the outer arc surface of the radial connecting rib 71. The structure at the opening 78 is elastically deformed, driving the locking assembly 7 to contract, generating a clamping force on the contact piece 6, and pressing the contact piece 6 tightly against the surface of the plug component to achieve close electrical contact and reduce contact resistance.

[0055] At the same time, the insertion of the plug component pushes the sleeve 86 to slide in the plug sleeve 84. The guide surface 861 of the sleeve 86 cooperates with the plug component to reduce the insertion resistance. The spring 85 is compressed when the sleeve 86 slides to store elastic potential energy. When the plug is fully inserted into place, the spring 85 releases the potential energy and pushes the plug sleeve 84 through the load-bearing end 844, so that the outer flange 841 abuts against the positioning support 81, forming a double locking structure, thereby enhancing the connection stability between the plug and the half-body joint 3. In addition, the elastic arm 83 undergoes elastic deformation during the plug insertion process, abutting the inner wall of the power interface 2, using elastic force to achieve plug positioning and cushion the insertion impact force. When the plug is inserted into place, the sealing rubber ring or sealing airbag at the contact part of the power interface 2 and the plug component is automatically inflated or expanded under the action of the control system to fill the gap and achieve sealing to prevent leakage.

[0056] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0057] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.

[0058] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment, characterized by: The invention comprises a docking frame (1), wherein the top of the front of the docking frame (1) is provided with an electric interface (2), the inner side wall of the electric interface (2) is fixedly mounted with a half-body joint (3), the outer side of the electric interface (2) is fixedly mounted with a plug shell (4), the outer arc surface of the electric interface (2) is sleeved with a conical shell (5), the middle section of the outer arc surface of the conical shell (5) is provided with an arc-shaped abutting surface (51), one end of the arc-shaped abutting surface (51) is provided with a bent section (52) near the electric interface (2), and the bent section The upper surface of (52) is placed in the inner side wall of the power interface (2), and a contact piece (6) is movably sleeved between the arc-shaped abutting surface (51) and the bent section (52), and an end of the contact piece (6) close to the bent section (52) is provided with a resting end (61), and a side of the contact piece (6) away from the resting end (61) is provided with an elastic bow surface (62), and a support portion is provided between the resting end (61) and the elastic bow surface (62), and a locking assembly (7) is fitted and connected to the support portion of the outer arc surface of the contact piece (6); The locking assembly (7) includes a radial connecting rib (71) sleeved in the inner arc surface of the conical shell (5), the inner arc surface of the radial connecting rib (71) is provided with a deformation cavity (72), one side of the outer arc surface of the radial connecting rib (71) is provided with an opening (78), the top of the outer arc surface of the radial connecting rib (71) is in contact with the inner arc surface of the arc-shaped abutting surface (51), the bottom of the outer arc surface of the radial connecting rib (71) is abutted with a tightening tongue (73), the tightening tongue (73) is provided with a pressing surface (74) near the bottom of the outer arc surface of the radial connecting rib (71), the end of the tightening tongue (73) away from the pressing surface (74) is provided with a downward pressing end (75), and the top of the downward pressing end (75) is connected to an extended elastic surface (76); The lower surface of the pressing end (75) is placed on the top of the elastic bow surface (62), and the outer arc surfaces of the contact piece (6) and the tightening tongue (73) are both provided with plug-in grooves (77), and the plug-in grooves (77) on both sides are in the same plane.

2. The automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment according to claim 1, characterized in that: The bottom surface of the elastic bow surface (62) in the contact piece (6) abuts against the half-body joint (3), and the outer arc surface of the half-body joint (3) is sleeved with a plug-in assembly (8); The plug-in assembly (8) comprises a positioning support (81) sleeved on the outer arc surface of the half-body joint (3), and auxiliary holes (82) are provided on both sides of the front surface of the positioning support (81).

3. The automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment according to claim 2, characterized in that: Elastic arms (83) are provided on both sides of the positioning support (81), one end of the elastic arm (83) is placed in the inner bottom wall of the power interface (2), and the outer arc surface of the elastic arm (83) abuts against the inner side wall of the power interface (2).

4. The automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment according to claim 3, characterized in that: The inner arc surface of the auxiliary hole (82) is movably sleeved with a plug sleeve (84), and the outer arc surface of the plug sleeve (84) is provided with an outer flange (841), and one side surface of the outer flange (841) is placed on the back of the positioning support (81).

5. The automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment according to claim 4, characterized in that: One end of the plug sleeve (84) is provided with a connecting section (842), one side of the connecting section (842) is provided with an inner groove (843), a spring (85) is fixedly mounted on the inner arc surface of the inner groove (843), and a bearing end (844) is provided at the connection between the plug sleeve (84) and the spring (85).

6. The automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment according to claim 5, characterized in that: The end surface of the bearing end (844) is fixedly connected to the spring (85), and the other end of the spring (85) is fixedly mounted with a sliding sleeve (86), and the inner arc surface of the sliding sleeve (86) is provided with a guide surface (861). The number of the plug sleeves (84) is two, and they are distributed inside the two auxiliary holes (82) in a mirror-symmetrical manner.

7. The automatic plug-in device for a photovoltaic battery vehicle and a power storage compartment according to claim 6, characterized in that: The outer arc surface of the sliding sleeve (86) is provided with heat dissipation holes, the interior of the sliding sleeve (86) is a hollow structure, and the introduction surface (861) in the sliding sleeve (86) is sleeved on the outer arc surface of the half-body joint (3).

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