Vehicle and pantograph device, charging pantograph, pantograph, plate

Abstract

The present invention relates to a vehicle and a pantograph device, a charging pantograph, a pantograph, and a plate. The pantograph device includes a bracket and a charging pantograph fixed on the bracket for outputting current and a pantograph matched with the charging pantograph for receiving current. The charging pantograph and the pantograph are provided with matching plates. The surface on the plate used for electrical connection with the matching plate is an electrical connection surface. An elastic contact component is provided on the electrical connection surface of one of the charging pantograph and the pantograph, and the two matching plates are electrically connected through the elastic contact component. With the above structure, an elastic contact component is provided on the electrical connection surface of the pantograph to make up for the gap between the charging pantograph and the pantograph caused by the tilt of the vehicle, thereby achieving reliable contact without dead angles between the charging pantograph and the pantograph, increasing the conductive contact area between the pantographs, avoiding damage to the pantographs, and ensuring the normal charging of the electric vehicle.

Description

Technical Field

[0001] The invention relates to a vehicle and a pantograph device, a charging pantograph, a pantograph and a pole plate. Background Art

[0002] At present, under the dual pressure of energy crisis and environmental pollution, the development of new energy has become a general trend. Among them, the development of new energy vehicles is extremely rapid. With the promotion and popularization of new energy vehicles, the number of electric vehicles is increasing, especially in the field of urban public transportation, more and more buses are using electric buses. Since electric vehicles have limited power, they need to enter the station to replenish power. The function of the charging interface is to realize the electrical connection between the charging equipment and the vehicle to charge the electric vehicle. At present, a charging gun is used to insert the vehicle for connection. However, the national standard charging gun is limited by the maximum working current. In order to achieve fast charging and reduce the waiting time for charging, electric buses have gradually used pantographs with higher current carrying capacity to establish electrical connections from the top of the car.

[0003] The pantograph device has a pair of charging pantographs and pantographs that cooperate with each other. The charging pantograph relies on a vertical base to hang on the top of the car body, and the charging interface is installed on the bottom of the charging pantograph. The pantograph that cooperates with the charging pantograph is installed on the top of the car body, and the corresponding charging interface is also installed on the top of the pantograph. When charging, the electric car drives to the bottom of the charging device and stops. The charging pantograph descends, and the upper plate of the charging pantograph and the lower plate of the pantograph are pressed together and then contacted to achieve electrical connection. The charging plates are generally long strips of metal. When in use, the two are in cross-contact, which allows a large deviation in the front and rear parking positions of the vehicle. However, due to the complex actual road conditions and environment, the road surface where the vehicle stops cannot be completely horizontal or the tire pressure of the vehicle is unbalanced, which directly causes the vehicle to tilt, which further causes the contact surface of the lower plate of the pantograph on the roof to be not in a horizontal position, such as Figure 8 As shown, the upper plate 1 of the charging bow and the lower plate 2 of the pantograph become in line contact, the contact area becomes smaller, the resistance becomes larger, and the plate temperature rises too high during charging, resulting in a large amount of energy loss. In severe cases, discharge occurs on the upper and lower plates, which not only damages the pantograph but also seriously affects the charging of the electric vehicle. Summary of the invention

[0004] The purpose of the present invention is to provide a pantograph device to solve the problem in the prior art that during the charging process of a vehicle, the conductive contact area between the pantographs is reduced due to the non-parallel positions of the lower plate of the charging pantograph and the upper plate of the pantograph, and the existence of a gap, which damages the pantograph and seriously affects the charging work of the electric vehicle. In addition, the purpose of the present invention is to provide a charging pantograph with the same structure as the charging pantograph on the pantograph device, a pantograph with the same structure as the pantograph on the pantograph device, a plate with the same structure as the plate on the pantograph device, and a vehicle using the pantograph.

[0005] In order to achieve the above-mentioned purpose, the pantograph device of the present invention adopts the following technical solutions:

[0006] A pantograph device comprises a bracket and a charging pantograph fixed on the bracket for outputting current and a pantograph cooperating with the charging pantograph for receiving current. The charging pantograph and the pantograph are provided with matching pole plates, and the surface of the pole plate used for electrical connection with the matching pole plate is an electrical connection surface. An elastic contact component is provided on the electrical connection surface of one of the pantographs in the charging pantograph and the pantograph, and the two matching pole plates are electrically connected via the elastic contact component.

[0007] By adopting the above structure, an elastic contact component is arranged on the electrical connection surface of the pantograph to make up for the gap between the charging pantograph and the pantograph caused by the tilt of the vehicle, thereby achieving reliable contact without dead angles between the charging pantograph and the pantograph, increasing the conductive contact area between the pantographs, avoiding damage to the pantograph, and ensuring the normal charging of the electric vehicle.

[0008] Furthermore, the elastic contact component includes at least two contact pieces arranged along the width direction of the electrode plate.

[0009] At least two contacts facilitate adequate electrical conduction between the plates.

[0010] Furthermore, the elastic contact component is a strip-shaped spring sheet, which includes at least two contact sheets arranged along the width direction of the electrode plate, and the contact sheets constitute the contact piece.

[0011] The strip spring is convenient for installation and covers the electrical connection surface on the pantograph, thereby achieving full contact between the charging pantograph and the pantograph during the charging process.

[0012] Furthermore, the strip-shaped spring piece includes a torsion bracket for fixing the contact piece, the torsion bracket includes a frame body and an elastic torsion arm arranged on the frame body, and the contact piece is fixed on the elastic torsion arm.

[0013] The contact piece is fixed on the elastic torsion arm, and the up and down movement of the contact piece is realized by the elastic deformation of the elastic torsion arm. The purpose of setting the torsion bracket is also to facilitate the later repair and maintenance. When one contact piece of the strip spring is damaged, it can be replaced separately. If the strip spring is an integrated structure, the damage of one contact piece will require the replacement of the entire strip spring.

[0014] Furthermore, a slot is provided at the end of the contact piece, and the torsion elastic arm is clamped in the slot.

[0015] The card slot facilitates the installation and removal of the "human" shaped contact piece, which is convenient and quick in the later maintenance process.

[0016] Furthermore, the contact piece is a "human" shaped contact piece.

[0017] The "human" shaped contact piece has a simple structure and is easy to process and manufacture.

[0018] Furthermore, the tip of the “human” shaped contact piece is a tongue-shaped contact surface.

[0019] The tongue-shaped contact surface of the "human"-shaped reed has a larger conductive contact area, which is beneficial to the transmission of current.

[0020] Furthermore, the electrical connection surface is provided with a mounting groove, and the strip-shaped spring is embedded in the mounting groove.

[0021] The strip spring embedded in the installation groove is fixed firmly and is not easy to fall off.

[0022] Furthermore, an inwardly turned edge is provided at the notch of the installation slot for limiting the strip-shaped spring from falling out.

[0023] The inwardly turned edge can prevent the strip spring from falling out of the mounting groove.

[0024] To achieve the above purpose, the charging bow of the present invention adopts the following technical solutions:

[0025] A charging bow includes a charging bow bracket and a plate arranged on the charging bow bracket. The surface of the plate used for electrical connection with the matching plate is an electrical connection surface. An elastic contact component is provided on the electrical connection surface. The plates are electrically connected through the elastic contact component.

[0026] By adopting the above structure, an elastic contact component is arranged on the electrical connection surface of the pantograph to make up for the gap between the charging pantograph and the pantograph caused by the tilt of the vehicle, thereby achieving reliable contact without dead angles between the charging pantograph and the pantograph, increasing the conductive contact area between the pantographs, avoiding damage to the pantograph, and ensuring the normal charging of the electric vehicle.

[0027] Furthermore, the elastic contact component includes at least two contact pieces arranged along the width direction of the electrode plate.

[0028] At least two contacts facilitate adequate electrical conduction between the plates.

[0029] Furthermore, the elastic contact component is a strip-shaped spring sheet, which includes at least two contact sheets arranged along the width direction of the electrode plate, and the contact sheets constitute the contact piece.

[0030] The strip spring is convenient for installation and covers the electrical connection surface on the pantograph, thereby achieving full contact between the charging pantograph and the pantograph during the charging process.

[0031] Furthermore, the strip-shaped spring piece includes a torsion bracket for fixing the contact piece, the torsion bracket includes a frame body and an elastic torsion arm arranged on the frame body, and the contact piece is fixed on the elastic torsion arm.

[0032] The contact piece is fixed on the elastic torsion arm, and the up and down movement of the contact piece is realized by the elastic deformation of the elastic torsion arm. The purpose of setting the torsion bracket is also to facilitate the later repair and maintenance. When one contact piece of the strip spring is damaged, it can be replaced separately. If the strip spring is an integrated structure, the damage of one contact piece will require the replacement of the entire strip spring.

[0033] Furthermore, a slot is provided at the end of the contact piece, and the torsion elastic arm is clamped in the slot.

[0034] The card slot facilitates the installation and removal of the "human" shaped contact piece, which is convenient and quick in the later maintenance process.

[0035] Furthermore, the contact piece is a "human" shaped contact piece.

[0036] The "human" shaped contact piece has a simple structure and is easy to process and manufacture.

[0037] Furthermore, the tip of the “human” shaped contact piece is a tongue-shaped contact surface.

[0038] The tongue-shaped contact surface of the "human"-shaped reed has a larger conductive contact area, which is beneficial to the transmission of current.

[0039] Furthermore, the electrical connection surface is provided with a mounting groove, and the strip-shaped spring is embedded in the mounting groove.

[0040] The strip spring embedded in the installation groove is fixed firmly and is not easy to fall off.

[0041] Furthermore, an inwardly turned edge is provided at the notch of the installation slot for limiting the strip-shaped spring from falling out.

[0042] The inwardly turned edge can prevent the strip spring from falling out of the mounting groove.

[0043] To achieve the above object, the pantograph of the present invention adopts the following technical solutions:

[0044] The pantograph comprises a pantograph bracket and a pole plate arranged on the pantograph bracket. The surface of the pole plate used for electrical connection with the matching pole plate is an electrical connection surface. An elastic contact component is arranged on the electrical connection surface. The pole plates are electrically connected through the elastic contact component.

[0045] By adopting the above structure, an elastic contact component is arranged on the electrical connection surface of the pantograph to make up for the gap between the charging pantograph and the pantograph caused by the tilt of the vehicle, thereby achieving reliable contact without dead angles between the charging pantograph and the pantograph, increasing the conductive contact area between the pantographs, avoiding damage to the pantograph, and ensuring the normal charging of the electric vehicle.

[0046] Furthermore, the elastic contact component includes at least two contact pieces arranged along the width direction of the electrode plate.

[0047] At least two contacts facilitate adequate electrical conduction between the plates.

[0048] Furthermore, the elastic contact component is a strip-shaped spring sheet, which includes at least two contact sheets arranged along the width direction of the electrode plate, and the contact sheets constitute the contact piece.

[0049] The strip spring is convenient for installation and covers the electrical connection surface on the pantograph, thereby achieving full contact between the charging pantograph and the pantograph during the charging process.

[0050] Furthermore, the strip-shaped spring piece includes a torsion bracket for fixing the contact piece, the torsion bracket includes a frame body and an elastic torsion arm arranged on the frame body, and the contact piece is fixed on the elastic torsion arm.

[0051] The contact piece is fixed on the elastic torsion arm, and the up and down movement of the contact piece is realized by the elastic deformation of the elastic torsion arm. The purpose of setting the torsion bracket is also to facilitate the later repair and maintenance. When one contact piece of the strip spring is damaged, it can be replaced separately. If the strip spring is an integrated structure, the damage of one contact piece will require the replacement of the entire strip spring.

[0052] Furthermore, a slot is provided at the end of the contact piece, and the torsion elastic arm is clamped in the slot.

[0053] The card slot facilitates the installation and removal of the "human" shaped contact piece, which is convenient and quick in the later maintenance process.

[0054] Furthermore, the contact piece is a "human" shaped contact piece.

[0055] The "human" shaped contact piece has a simple structure and is easy to process and manufacture.

[0056] Furthermore, the tip of the “human” shaped contact piece is a tongue-shaped contact surface.

[0057] The tongue-shaped contact surface of the "human"-shaped reed has a larger conductive contact area, which is beneficial to the transmission of current.

[0058] Furthermore, the electrical connection surface is provided with a mounting groove, and the strip-shaped spring is embedded in the mounting groove.

[0059] The strip spring embedded in the installation groove is fixed firmly and is not easy to fall off.

[0060] Furthermore, an inwardly turned edge is provided at the notch of the installation slot for limiting the strip-shaped spring from falling out.

[0061] The inwardly turned edge can prevent the strip spring from falling out of the mounting groove.

[0062] To achieve the above object, the vehicle of the present invention adopts the following technical solutions:

[0063] A vehicle includes a vehicle body and a pantograph arranged on the vehicle body, the pantograph includes a pantograph bracket and a pole plate arranged on the pantograph bracket, the surface of the pole plate used for electrical connection with an adapted pole plate is an electrical connection surface, an elastic contact component is arranged on the electrical connection surface, and the pole plates are electrically connected via the elastic contact component.

[0064] By adopting the above structure, an elastic contact component is arranged on the electrical connection surface of the pantograph to make up for the gap between the charging pantograph and the pantograph caused by the tilt of the vehicle, thereby achieving reliable contact without dead angles between the charging pantograph and the pantograph, increasing the conductive contact area between the pantographs, avoiding damage to the pantograph, and ensuring the normal charging of the electric vehicle.

[0065] Furthermore, the elastic contact component includes at least two contact pieces arranged along the width direction of the electrode plate.

[0066] At least two contacts facilitate adequate electrical conduction between the plates.

[0067] Furthermore, the elastic contact component is a strip-shaped spring sheet, which includes at least two contact sheets arranged along the width direction of the electrode plate, and the contact sheets constitute the contact piece.

[0068] The strip spring is convenient for installation and covers the electrical connection surface on the pantograph, thereby achieving full contact between the charging pantograph and the pantograph during the charging process.

[0069] Furthermore, the strip-shaped spring piece includes a torsion bracket for fixing the contact piece, the torsion bracket includes a frame body and an elastic torsion arm arranged on the frame body, and the contact piece is fixed on the elastic torsion arm.

[0070] The contact piece is fixed on the elastic torsion arm, and the up and down movement of the contact piece is realized by the elastic deformation of the elastic torsion arm. The purpose of setting the torsion bracket is also to facilitate the later repair and maintenance. When one contact piece of the strip spring is damaged, it can be replaced separately. If the strip spring is an integrated structure, the damage of one contact piece will require the replacement of the entire strip spring.

[0071] Furthermore, a slot is provided at the end of the contact piece, and the torsion elastic arm is clamped in the slot.

[0072] The card slot facilitates the installation and removal of the "human" shaped contact piece, which is convenient and quick in the later maintenance process.

[0073] Furthermore, the contact piece is a "human" shaped contact piece.

[0074] The "human" shaped contact piece has a simple structure and is easy to process and manufacture.

[0075] Furthermore, the tip of the “human” shaped contact piece is a tongue-shaped contact surface.

[0076] The tongue-shaped contact surface of the "human"-shaped reed has a larger conductive contact area, which is beneficial to the transmission of current.

[0077] Furthermore, the electrical connection surface is provided with a mounting groove, and the strip-shaped spring is embedded in the mounting groove.

[0078] The strip spring embedded in the installation groove is fixed firmly and is not easy to fall off.

[0079] Furthermore, an inwardly turned edge is provided at the notch of the installation slot for limiting the strip-shaped spring from falling out.

[0080] The inwardly turned edge can prevent the strip spring from falling out of the mounting groove.

[0081] To achieve the above purpose, the electrode plate of the present invention adopts the following technical solutions:

[0082] The pole plate has a surface on the pole plate used for electrical connection with the matching pole plate as an electrical connection surface, and an elastic contact component is arranged on the electrical connection surface, and the pole plates are electrically connected through the elastic contact component.

[0083] By adopting the above structure, an elastic contact component is arranged on the electrical connection surface of the electrode plate to make up for the gap between the charging pantograph and the pantograph caused by the tilt of the vehicle, thereby achieving reliable contact without dead angles between the charging pantograph and the pantograph, increasing the conductive contact area between the pantographs, avoiding damage to the pantograph, and ensuring the normal charging of the electric vehicle.

[0084] Furthermore, the elastic contact component includes at least two contact pieces arranged along the width direction of the electrode plate.

[0085] At least two contacts facilitate adequate electrical conduction between the plates.

[0086] Furthermore, the elastic contact component is a strip-shaped spring sheet, which includes at least two contact sheets arranged along the width direction of the electrode plate, and the contact sheets constitute the contact piece.

[0087] The strip spring is convenient for installation and covers the electrical connection surface on the pantograph, thereby achieving full contact between the charging pantograph and the pantograph during the charging process.

[0088] Furthermore, the strip-shaped spring piece includes a torsion bracket for fixing the contact piece, the torsion bracket includes a frame body and an elastic torsion arm arranged on the frame body, and the contact piece is fixed on the elastic torsion arm.

[0089] The contact piece is fixed on the elastic torsion arm, and the up and down movement of the contact piece is realized by the elastic deformation of the elastic torsion arm. The purpose of setting the torsion bracket is also to facilitate the later repair and maintenance. When one contact piece of the strip spring is damaged, it can be replaced separately. If the strip spring is an integrated structure, the damage of one contact piece will require the replacement of the entire strip spring.

[0090] Furthermore, a slot is provided at the end of the contact piece, and the torsion elastic arm is clamped in the slot.

[0091] The card slot facilitates the installation and removal of the "human" shaped contact piece, which is convenient and quick in the later maintenance process.

[0092] Furthermore, the contact piece is a "human" shaped contact piece.

[0093] The "human" shaped contact piece has a simple structure and is easy to process and manufacture.

[0094] Furthermore, the tip of the “human” shaped contact piece is a tongue-shaped contact surface.

[0095] The tongue-shaped contact surface of the "human"-shaped reed has a larger conductive contact area, which is beneficial to the transmission of current.

[0096] Furthermore, the electrical connection surface is provided with a mounting groove, and the strip-shaped spring is embedded in the mounting groove.

[0097] The strip spring embedded in the installation groove is fixed firmly and is not easy to fall off.

[0098] Furthermore, an inwardly turned edge is provided at the notch of the installation slot for limiting the strip-shaped spring from falling out.

[0099] The inwardly turned edge can prevent the strip spring from falling out of the mounting groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0100] Figure 1 is a schematic diagram of the overall structure of a specific embodiment 1 of the pantograph device of the present invention;

[0101] Figure 2 is a side view of the upper plate of the charging pantograph of the specific embodiment 1 of the pantograph device of the present invention;

[0102] Figure 3 is an enlarged structural schematic diagram of a strip-shaped spring sheet of a specific embodiment 1 of the pantograph device of the present invention;

[0103] Figure 4 1 is a schematic diagram of the specific structure of the strip spring of the specific embodiment 1 of the pantograph device of the present invention;

[0104] Figure 5 is a side view of the specific embodiment 1 of the pantograph device of the present invention when it is in horizontal operation;

[0105] Figure 6 is a side view of the specific embodiment 1 of the pantograph device of the present invention when it is tilted;

[0106] Figure 7 is a schematic structural diagram of a specific embodiment 11 of the pantograph device of the present invention;

[0107] Figure 8 It is a schematic diagram of the working structure of the charging bow when it is tilted in the prior art;

[0108] In the figure: 1. Upper plate of charging bow; 2. Lower plate of pantograph; 3. Strip spring; 4. Tongue-shaped contact surface; 5. Mounting groove; 6. Torsion bracket; 7. Torsion elastic arm; 8. Card slot; 9. Compression spring; 10. Connector. DETAILED DESCRIPTION

[0109] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0110] Specific embodiment 1 of the pantograph device of the present invention: Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the pantograph device includes an upper plate 1 for outputting current and a lower plate 2 for receiving current in cooperation with the upper plate 1 of the charging pantograph; the upper plate 1 of the charging pantograph is suspended by a bracket, and the lower plate 2 of the pantograph is installed on the top of the vehicle. The surface of the upper plate 1 of the charging pantograph and the lower plate 2 of the pantograph for charging through electrical connection is the electrical connection surface, and the transmission of current is achieved by the mutual fit of the electrical connection surfaces of the upper plate 1 of the charging pantograph and the lower plate 2 of the pantograph. The cross-shaped cross-contact arrangement of the two can allow a large deviation in the front and rear parking positions of the vehicle to facilitate the charging work. Among them, the upper plate 1 of the charging pantograph is provided with an elastic contact component for making the electrical connection surface fully conductively contact with the lower plate 2 of the pantograph during the charging process. The elastic contact component used in this embodiment is a strip spring 3, and the strip spring 3 includes a plurality of contact pieces arranged along the width direction of the plate for contacting the upper plate 1 of the charging pantograph.

[0111] In this embodiment, the contact piece includes a plurality of "human" shaped contact pieces arranged along the width direction of the electrode plate, each "human" shaped contact piece is upwardly tilted, and at the same time, the tip of each "human" shaped contact piece is a tongue-shaped contact surface 4, and the tongue-shaped contact surface 4 has a large conductive contact area, which is conducive to the transmission of current. However, it is not limited to this. In other embodiments, the tip of the "human" shaped contact piece can also be a contact surface of other configurations, such as a circular contact surface. At the same time, the contact piece on the strip spring piece 3 is not only a "human" shaped contact piece. In other embodiments, spring pieces of other configurations, such as "M" shaped contacts, can also be used.

[0112] In this embodiment, the strip spring 3 also includes a torsion bracket 6 for fixing the "human" shaped contact piece. The torsion bracket 6 includes a rectangular frame body, the end of the frame body is an upwardly twisted torsion elastic arm 7, and a connector 10 is provided in the middle of the frame body. The connector 10 is used to connect two adjacent torsion brackets to form a strip structure. The two ends of the "human" shaped contact piece are provided with a card slot 8, and the card slot 8 is used to engage with the torsion elastic arm 7 at both ends of the torsion bracket 6 to fix the position of the "human" shaped contact piece. At the same time, the torsion elastic arm 7 is twisted at a certain angle to make the "human" shaped contact piece installed in the card position warp up, so as to make up for the gap between the upper plate 1 of the charging pantograph and the lower plate 2 of the pantograph due to the non-parallelism, thereby increasing the conductive contact area. However, in other embodiments, a spring piece with a certain curvature and upward warping can also be used and fixed directly on the electrical connection surface, so that the torsion bracket 6 is not provided.

[0113] like Figure 5 , Figure 6 As shown, during the charging process, due to the tilt of the vehicle, when the upper plate 1 of the charging bow and the lower plate 2 of the pantograph are not parallel and there is a certain angle, since the upper plate 1 of the charging bow descends and presses on the lower plate 2 of the pantograph, the lower part of one end of the upper plate 1 of the charging bow causes the strip spring 3 at the corresponding position to be compressed and tilted to one side under the downward pressure, and at this time, the higher part of the other end of the upper plate 1 of the charging bow directly contacts the uncompressed strip spring 3 at the corresponding position, and finally the upper plate 1 of the charging bow and the lower plate 2 of the pantograph can be fully elastically contacted, thereby compensating the gap between the upper plate 1 of the charging bow and the lower plate 2 of the pantograph and increasing the conductive contact area.

[0114] In this embodiment, the strip spring 3 is installed and fixed by being embedded in the installation groove 5 provided on the electrical connection surface of the lower plate 2 of the pantograph. The inverted edge provided at the notch of the installation groove 5 can prevent the strip spring 3 from being separated from the installation groove 5. The strip spring is embedded in the installation groove, which is not only convenient for installation but also firmly fixed. In other embodiments, other fixing methods can also be selected, such as using rivets to directly fix the strip spring 3 on the electrical connection surface.

[0115] The strip-shaped spring piece 3 in this embodiment constitutes the elastic contact component, and the "human"-shaped contact piece on the strip-shaped spring piece 3 constitutes the contact piece.

[0116] The above-mentioned specific embodiment 1 is the optimal implementation mode of the pantograph device of the present invention. In other embodiments, the corresponding structures can be adjusted or simplified as needed.

[0117] Specific embodiment 2 of the pantograph device of the present invention: The pantograph device includes an upper plate of the charging pantograph and an upper plate of the pantograph. An elastic contact component is provided on the electrical connection surface of the upper plate of the charging pantograph. The structure of the elastic contact component is simplified in this embodiment. In embodiment 1, a "human" shaped contact piece and a torsion bracket adapted thereto are used. However, in this embodiment, the elastic contact component may be an integral contact piece provided on the electrical connection surface, and the contact piece may be an elastic metal plate. Of course, an elastic contact finger piece of an integral structure may also be used. The elastic contact finger piece is made of copper material, and an upwardly tilted elastic contact finger is provided on the elastic contact finger piece, which has the same function as the contact piece used in embodiment 1.

[0118] The elastic contact finger piece is very convenient to install, but the structure is inconvenient to repair and maintain in the later stage. Once a contact finger is damaged, the entire elastic contact finger piece needs to be replaced.

[0119] Specific embodiment 3 of the pantograph device of the present invention is a further optimization of specific embodiment 2: the elastic contact component includes at least two contact members arranged along the width direction of the plate. The contact members are arranged along the width direction of the upper plate of the charging pantograph. This arrangement is because the positions of the lower plate of the pantograph and the upper plate of the charging pantograph are perpendicular to each other when they are in contact. The contact members are consistent with the direction of the lower plate of the pantograph along the width direction, which is convenient for filling the gap between the plates when the vehicle is tilted. However, in other embodiments, the contact members can also be arranged in an array, but it is necessary to ensure that at least two contact members are arranged along the width direction of the plate.

[0120] Specific embodiment 4 of the pantograph device of the present invention is a further optimization of specific embodiment 3: the elastic contact component is a strip-shaped spring, the strip-shaped spring includes at least two contact pieces arranged along the width direction of the pole plate, and the contact pieces constitute the contact piece.

[0121] The number of the strip-shaped spring pieces is at least two in order to better and comprehensively cover the electrical connection surface of the pole plate, increase the contact area when the pole plates contact each other, and ensure the charging efficiency, wherein the "human" shaped contact piece on the strip-shaped spring piece constitutes the contact piece.

[0122] Specific embodiment 5 of the pantograph device of the present invention is a further optimization of specific embodiment 4: the strip spring includes a torsion bracket for fixing the contact piece, the torsion bracket includes a frame body and an elastic torsion arm arranged on the frame body, and the contact piece is fixed on the elastic torsion arm. The contact piece is installed and fixed by using the torsion bracket with the elastic torsion arm. Since the contact piece itself is not elastic, the elastic function of the strip spring piece is realized by the elastic deformation of the elastic torsion arm.

[0123] Specific embodiment 6 of the pantograph device of the present invention is a further optimization of specific embodiment 5: in order to facilitate the installation of the contact piece and the torsion bracket, slots are provided at both ends of the contact piece for inserting the elastic torsion arm of the torsion bracket, and the torsion elastic arm is snapped into the slot. This combined elastic contact component is adopted in consideration of the situation that the contact piece may be damaged and need to be replaced during long-term use. In this case, only the contact piece on the corresponding torsion bracket needs to be replaced.

[0124] Specific embodiment 7 of the pantograph device of the present invention is a further optimization of specific embodiments 3-5: the contact piece is a "human" shaped contact piece. The "human" shaped contact piece is used as the contact piece because of its stable structure and convenient production. However, the style of the contact piece is not unique. In other embodiments, it can also be other configurations, such as the arc-shaped spring piece mentioned in specific embodiment 1.

[0125] Specific embodiment 8 of the pantograph device of the present invention is a further optimization of specific embodiment 7, in which the tip of the "human" shaped contact piece is a tongue-shaped contact surface. The tongue-shaped contact surface has a large contact area, which is convenient for current transmission. The configuration of the contact surface is not unique. In other embodiments, the tip of the "human" shaped contact piece can also be a contact surface of other configurations, such as the circular contact surface mentioned in specific embodiment 1.

[0126] Specific embodiment 9 of the pantograph device of the present invention is a further optimization of specific embodiments 3-5: in order to facilitate the fixation of the strip spring, a mounting groove is opened on the electrical connection surface, and fixing the strip spring by embedding is safer and more reliable, but in other embodiments, it can also be fixed by other means, such as fixing the strip spring by welding.

[0127] Specific embodiment 10 of the pantograph device of the present invention is a further optimization of specific embodiment 9: an inward-turned edge is provided at the mouth of the installation groove for limiting the escape of the strip spring. The inward-turned edge is provided at the outlet of the installation groove to further improve the stability of the strip spring and prevent it from escaping from the installation groove.

[0128] Specific embodiment 11 of the pantograph device of the present invention: The difference between this embodiment and the above-mentioned embodiment 1 is that the strip spring 3 is replaced by Figure 7 The contact surface of the compression spring 9 shown in the figure can be a plane or an inclined surface according to working requirements.

[0129] Specific embodiment 12 of the pantograph device of the present invention: The difference between this embodiment and the above-mentioned embodiment 1 is that the strip spring piece 3 arranged on the upper plate 1 of the charging pantograph can be arranged on the lower plate 2 of the pantograph, and in this case, the strip spring piece 3 does not need to be arranged on the charging pantograph. However, if there are many electric vehicles, such an arrangement will greatly increase the cost.

[0130] The specific embodiments of the charging bow of the present invention and the specific structure of the charging bow are the same as the structure of the charging bow described in any one of the specific embodiments 1-12 of the above-mentioned pantograph device, and will not be described in detail.

[0131] The specific embodiment of the pantograph of the present invention and the specific structure of the pantograph are the same as the structure of the pantograph described in any one of the specific embodiments 1-12 of the above-mentioned pantograph device, and will not be described in detail.

[0132] In a specific embodiment of the vehicle of the present invention, the vehicle includes a vehicle body and a pantograph arranged on the vehicle body. The specific structure of the pantograph is the same as the structure of the pantograph described in any one of the specific embodiments 1-12 of the above-mentioned pantograph device, and will not be repeated herein.

[0133] The specific embodiments of the pole plate of the present invention and the specific structure of the pole plate are the same as the structure of the pole plate described in any one of the specific embodiments 1-12 of the above-mentioned pantograph device, and will not be described in detail.

Claims

1. A pantograph device, comprising a bracket, a charging pantograph fixed on the bracket for outputting current, and a pantograph matched with the charging pantograph for receiving current, wherein the charging pantograph and the pantograph are arranged in a cross shape, and the charging pantograph and the pantograph are provided with matching pole plates, and the surface of the pole plate for electrical connection with the matching pole plate is an electrical connection surface, characterized in that: An elastic contact component is provided on the electrical connection surface of one of the charging pantograph and the pantograph, and the two matching pole plates are electrically connected through the elastic contact component; the elastic contact component is a strip spring, the spring is a compression spring, and the contact surface on the top of the compression spring is a plane, and the elastic contact component includes at least two contact pieces arranged along the width direction of the pole plate, and the contact piece is a contact piece, and the contact piece is consistent with the direction of the other pantograph pole plate along the width direction of the pole plate.

2. A charging pantograph, comprising a charging pantograph bracket and a plate arranged on the charging pantograph bracket, wherein the surface of the plate used for electrical connection with the matching plate is an electrical connection surface, and the charging pantograph and the pantograph are arranged in a cross shape, characterized in that: An elastic contact component is provided on the electrical connection surface, and the plates are electrically connected through the elastic contact component; the elastic contact component is a strip-shaped spring leaf, the spring leaf is a compression spring, and the contact surface on the top of the compression spring is a plane. The elastic contact component includes at least two contact pieces arranged along the width direction of the plate, and the contact piece is a contact piece, and the contact piece is consistent with the direction of the lower plate of the pantograph along the width direction.

3. A pantograph, comprising a pantograph support and a plate arranged on the pantograph support, wherein the surface of the plate used for electrical connection with the matching plate is an electrical connection surface, the charging pantograph and the pantograph are arranged in a cross shape, and characterized in that: An elastic contact component is provided on the electrical connection surface, and the plates are electrically connected through the elastic contact component; the elastic contact component is a strip-shaped spring leaf, the spring leaf is a compression spring, and the contact surface on the top of the compression spring is a plane. The elastic contact component includes at least two contact pieces arranged along the width direction of the plate, and the contact piece is a contact piece. The contact piece is consistent with the direction of the plate on the charging bow along the width direction.

4. A vehicle, comprising a vehicle body and a pantograph arranged on the vehicle body, wherein the pantograph comprises a pantograph bracket and a plate arranged on the pantograph bracket, wherein a surface of the plate used for electrical connection with a matching plate is an electrical connection surface, and the charging pantograph and the pantograph are arranged in a cross shape, characterized in that: An elastic contact component is provided on the electrical connection surface, and the plates are electrically connected through the elastic contact component; the elastic contact component is a strip spring, the spring is a compression spring, and the contact surface on the top of the compression spring is a plane. The elastic contact component includes at least two contact pieces arranged along the width direction of the plate, the contact pieces are contact pieces, and the contact pieces are consistent with the direction of the other pantograph plate along the width direction of the plate.

5. The plate, the surface of the plate used for electrical connection with the matching plate is the electrical connection surface, the charging pantograph and the pantograph are arranged in a cross shape, characterized by: An elastic contact component is provided on the electrical connection surface, and the plates are electrically connected through the elastic contact component; the elastic contact component is a strip spring, the spring is a compression spring, and the contact surface on the top of the compression spring is a plane. The elastic contact component includes at least two contact pieces arranged along the width direction of the plate, the contact pieces are contact pieces, and the contact pieces are consistent with the direction of the other pantograph plate along the width direction of the plate.

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