Pantograph device and electric vehicle

Abstract

The present invention discloses a pantograph device and an electric vehicle, wherein the pantograph device comprises a cover body, an insulating bracket and at least two spaced copper bars, the copper bar is arranged on the copper bar mounting portion of the insulating bracket, the cover body covers the insulating bracket and the copper bar, the cover body is provided with an opening for the copper bar to extend out, the edge of the opening and both the copper bar and the insulating bracket are spaced apart, a contact surface of the copper bar for overlapping with a charging pantograph device extends out of the cover body through the opening so that the copper bar can contact the charging pantograph device; the cover body comprises a first mounting portion and a second mounting portion which are arranged inside the cover body and are used to be connected with the insulating bracket and are respectively located on both sides of the opening; the insulating bracket comprises a third mounting portion connected to the first mounting portion, and a fourth mounting portion connected to the second mounting portion, the third mounting portion and the fourth mounting portion are both configured to be located outside the water flow path entering from the opening, the structure can avoid conduction between the copper bar and the cover body, and improve the reliability of the pantograph device.

Description

Technical Field

[0001] The present invention relates to the technical field of electric locomotive power supply equipment, and in particular to a pantograph device and an electric vehicle. Background Art

[0002] A pantograph is a current-collecting device used by large electric vehicles to receive current from a charging bow. Since the multiple electrodes of the pantograph are usually installed on the roof of the electric vehicle through insulators, the electrodes of the pantograph have the problem of reduced reliability due to being touched by foreign objects.

[0003] To this end, the related technology provides a pantograph device with a cover, which is installed on the top of the electric vehicle, and is provided with a plurality of openings corresponding to the plurality of electrodes. Each electrode can extend to the outside of the cover through the corresponding opening, so that the electrode of the pantograph can be connected with the electrode of the charging pantograph. However, such a configuration makes it easy for a water-conductive film to form on the surface of the pantograph cover on rainy days, making it easy for the copper busbar to be conductive with the cover, thereby making it easy for the surfaces of the plurality of copper busbars of the pantograph to be conductive, reducing the reliability of the pantograph.

[0004] Therefore, how to provide a pantograph device that can avoid the copper bar of the pantograph device from being conductive to the cover body and the surfaces of multiple copper bars from being conductive to each other in rainy or snowy days, thereby improving the reliability of the pantograph device is a technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] In view of this, an object of the present invention is to provide a pantograph device that can prevent the copper bar of the pantograph device from being conductive to the cover body and the surfaces of multiple copper bars from being conductive to each other in rainy or snowy days, thereby effectively improving the reliability of the pantograph device.

[0006] Another object of the present invention is to provide an electric vehicle.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A pantograph device, comprising a cover, an insulating bracket and at least two copper bars arranged at intervals, wherein the copper bars are arranged on the copper bar mounting portion of the insulating bracket, the cover is arranged to cover the insulating bracket and the copper bars, the cover is provided with an opening for the copper bars to extend out, the edge of the opening and both the copper bars and the insulating bracket are arranged at intervals, and a contact surface of the copper bars for overlapping with the charging pantograph device extends out of the cover through the opening so that the copper bars can contact with the charging pantograph device;

[0009] The cover body comprises a first mounting portion and a second mounting portion which are arranged inside the cover body and are used to be connected to the insulating bracket, and the first mounting portion and the second mounting portion are respectively located on two sides of the opening;

[0010] The insulating bracket includes a third mounting portion connected to the first mounting portion, and a fourth mounting portion connected to the second mounting portion, and the third mounting portion and the fourth mounting portion are both configured to be located outside a water flow path entering from the opening.

[0011] Preferably, the cover body further comprises a water retaining portion arranged at the opening, and the first mounting portion and the second mounting portion are located on a side of the water retaining portion away from the opening.

[0012] Preferably, the first mounting portion and the second mounting portion are both arranged on the top wall of the cover body; or the first mounting portion and the second mounting portion are both arranged on the water retaining portion; or the first mounting portion and the second mounting portion are both arranged on the side wall of the cover body, and the first mounting portion and the second mounting portion are both higher than the bottom end of the water retaining portion.

[0013] Preferably, the insulating support further comprises a first accommodating groove and a second accommodating groove which are in communication with the opening, and the length directions of the first accommodating groove and the second accommodating groove both extend along the length direction of the copper bar;

[0014] Along the width direction of the copper busbar insulating bracket, the third mounting portion and the fourth mounting portion are respectively located at two ends of the insulating bracket, the first accommodating groove is arranged between the copper busbar mounting portion and the third mounting portion, the second accommodating groove is arranged between the copper busbar mounting portion and the fourth mounting portion, and the first accommodating groove and the second accommodating groove are both arranged lower than the third mounting portion and the fourth mounting portion.

[0015] Preferably, the first accommodating groove and the second accommodating groove are both provided with drainage holes communicated with the opening.

[0016] Preferably, the insulating bracket is further provided with a lead hole for the copper busbar adapter terminal and the copper busbar adapter wire to pass through, and the lead hole is arranged at one end of the copper busbar mounting portion away from the drainage hole.

[0017] Preferably, the contact surface is arranged in an arc shape, and the copper busbar is arranged with a middle portion being higher and two sides being lower along its width direction.

[0018] Preferably, the pantograph device comprises four copper bars, the cover comprises two sub-covers, and the two sub-covers are connected by a connecting portion;

[0019] Each of the sub-covers comprises two openings and a spacing groove arranged between the two openings. Each of the openings is used for allowing one of the copper bars to extend out, and the length direction of the spacing groove is perpendicular to the length direction of the opening.

[0020] Preferably, the sub-cover includes a top plate and side plates arranged on both sides of the top plate, the opening is arranged on the top plate, the width of the opening is greater than the width of the copper bar, and the length of the opening is greater than the length of the copper bar;

[0021] The top plate is arranged obliquely, and a portion of the top plate close to the opening is higher than a portion of the top plate far from the opening;

[0022] The side panels are arranged obliquely, and the side panels are inclined outwards from top to bottom.

[0023] An electric vehicle comprises the pantograph device described in any one of the above.

[0024] It can be seen from the above technical scheme that, compared with the prior art, the pantograph device provided in the present application can prevent water on the surface of the cover body from flowing to the first mounting part and the second mounting part inside the cover body by setting the above-mentioned cover body and the insulating bracket, thereby achieving the purpose of insulation between the cover body and the copper busbar surface, and can prevent the phenomenon that the surfaces of multiple copper buses of the pantograph device are conductive to each other when the pantograph device is wetted by water on rainy or snowy days, thereby improving the reliability of the pantograph device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the three-dimensional structure of a pantograph device disclosed in an embodiment of the present invention;

[0027] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0028] Figure 3 It is a schematic diagram of the main structure of the pantograph device disclosed in the embodiment of the present invention;

[0029] Figure 4 for Figure 3 A schematic diagram of the cross-sectional structure along the BB direction;

[0030] Figure 5 for Figure 4Schematic diagram of the enlarged structure at C in the middle;

[0031] Figure 6 This is a schematic diagram of the overall structure of the copper busbar and the insulating bracket disclosed in the embodiment of the present invention;

[0032] Figure 7 for Figure 6 Schematic diagram of the main structure;

[0033] Figure 8 The figure is a schematic top view of the insulating bracket disclosed in the embodiment of the present invention.

[0034] The names of the components are as follows:

[0035] 100 is a sub-cover body, 101 is a top plate, 1011 is an opening, 1012 is a spacing groove, 102 is a side plate, 103 is a water retaining part, 104 is a first mounting part, 105 is a second mounting part, 106 is a fifth mounting part, 200 is a connecting part, 300 is an insulating bracket, 301 is a copper busbar mounting part, 302 is a first accommodating groove, 303 is a second accommodating groove, 304 is a drainage hole, 305 is a third mounting part, 306 is a fourth mounting part, 307 is a lead hole, 400 is a copper busbar, 500 is a copper busbar adapter terminal, and 600 is a copper busbar adapter wire. DETAILED DESCRIPTION

[0036] In view of this, the core of the present invention is to provide a pantograph device. When the pantograph device is wetted in rainy or snowy days, the pantograph device can avoid conduction between the copper busbar and the cover body and conduction between the surfaces of multiple copper busbars, thereby effectively improving the reliability of the pantograph device.

[0037] Another core of the present invention is to provide an electric vehicle.

[0038] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] Please refer to Figures 1 to 5The pantograph device disclosed in the embodiment of the present invention comprises a cover, an insulating bracket 300 and at least two copper bars 400 arranged at intervals, wherein the copper bar 400 is arranged on the copper bar mounting portion 301 of the insulating bracket 300, and the cover is arranged to cover the insulating bracket 300 and the copper bar 400, wherein the cover is provided with an opening 1011 for the copper bar 400 to extend out, and the edge of the opening 1011 and the copper bar 400 and the insulating bracket 300 are arranged at intervals, and the contact surface of the copper bar 400 for overlapping with the charging pantograph device passes through the opening 1011. 11 extends out of the cover body; the cover body includes a first mounting portion 104 and a second mounting portion 105 which are arranged inside the cover body and are used to be connected to the insulating bracket, and the first mounting portion 104 and the second mounting portion 105 are respectively arranged on both sides of the opening 1011; the insulating bracket 300 includes a third mounting portion 305 connected to the first mounting portion 104, and a fourth mounting portion 306 connected to the second mounting portion 105, and the third mounting portion 305 and the fourth mounting portion 306 are configured to be located outside the water flow path entering from the opening 1011.

[0040] Compared with the prior art, the pantograph device can prevent water on the surface of the cover from flowing to the first mounting portion 104 and the second mounting portion 105 on the inner side of the cover by providing the cover and the insulating bracket 300, thereby achieving insulation between the cover and the insulating bracket 300, thereby achieving insulation between the surface of the cover and the copper busbar 400, and preventing the multiple copper buses 400 of the pantograph device from being electrically connected to each other when the pantograph device is wetted by water on rainy or snowy days, thereby improving the reliability of the pantograph device.

[0041] Preferably, the cover body also includes a water retaining portion 103 arranged at the opening 1011, and the first mounting portion 104 and the second mounting portion 105 are located on the side of the water retaining portion 103 away from the opening 1011, wherein the setting of the water retaining portion 103 can further prevent accumulated water from soaking the third mounting portion 305 and the fourth mounting portion 306, thereby further preventing conduction between the cover body and the surface of the copper busbar 400.

[0042] In this embodiment, the water retaining portion 103 extends downward from the top wall of the cover body, and the water retaining portion 103 is arranged in a closed ring around the opening 1011. "The first mounting portion 104 and the second mounting portion 105 are located on the side of the water retaining portion 103 away from the opening" specifically means that the first mounting portion 104 and the second mounting portion 105 are located on the outside of the water retaining portion 103 arranged in a closed ring, and the opening 1011 is located on the inside of the water retaining portion 103.

[0043] In other embodiments, the water retaining portion 103 can also be two baffles that are arranged at intervals and extend along the length direction of the copper busbar 400. The two baffles are respectively located on both sides of the opening 1011, and the two baffles are respectively arranged in a one-to-one correspondence with the first mounting portion 104 and the second mounting portion 105. The first mounting portion 104 and the second mounting portion 105 are respectively located on the side of the corresponding baffle away from the opening 1011.

[0044] In order to optimize the above embodiment, the first mounting portion 104 and the second mounting portion 105 disclosed in the embodiment of the present invention can be arranged on the top wall of the cover body. Such an arrangement is conducive to ensuring that the first mounting portion 104 and the second mounting portion 105 are away from the power receiving device, thereby avoiding the first mounting portion 104 and the second mounting portion 105 from contacting the surface of the power receiving device, thereby avoiding the situation where the first mounting portion 104 and the second mounting portion 105 are also soaked in water when the surface of the power receiving device is soaked in water, causing the insulating bracket 300 and the cover body to be conductive.

[0045] In another embodiment, the first mounting portion 104 and the second mounting portion 105 may also be disposed on the water retaining portion 103 and located on a side of the water retaining portion 103 facing away from the outlet 1011 . Such an arrangement makes the structure simple and compact.

[0046] In other embodiments, the first mounting portion 104 and the second mounting portion 105 may also be arranged on the side wall of the cover body, and the first mounting portion 104 and the second mounting portion 105 are both higher than the bottom end of the water retaining portion 103. Of course, the first mounting portion 104 and the second mounting portion 105 may also be arranged at other parts of the cover body according to specific needs, as long as it can be ensured that the first mounting portion 104 and the second mounting portion 105 are both arranged on the inner side of the cover body and are both located outside the water flow path entering from the opening 1011, the present invention does not make specific restrictions.

[0047] It should be noted that the cover body also includes a fifth mounting portion 106 connected to the power receiving device. In this embodiment, the fifth mounting portion 106 is located at the bottom end of the cover body, and the number of the fifth mounting portions 106 is four. Of course, in other embodiments, the number and position of the fifth mounting portion 106 can also be adjusted according to specific needs. The present invention does not specifically limit the installation position and number of the fifth mounting portion. As long as the structure meets the use requirements of the present invention, it is within the protection scope of the present invention.

[0048] Please refer to Figures 5 and 6In the pantograph device disclosed in the embodiment of the present invention, the insulating bracket 300 also includes a first accommodating groove 302 and a second accommodating groove 303 connected to the opening 1011, wherein the length directions of the first accommodating groove 302 and the second accommodating groove 302 both extend along the length direction of the copper bar 400, and along the width direction of the copper bar 400, the third mounting portion 305 and the fourth mounting portion 306 are respectively located at both ends of the insulating bracket 300, the first accommodating groove 302 is arranged between the copper bar mounting portion 301 and the third mounting portion 305, the second accommodating groove 303 is arranged between the copper bar mounting portion 301 and the fourth mounting portion 306, and the first accommodating groove 302 and the second accommodating groove 303 are both arranged lower than the third mounting portion 305 and the fourth mounting portion 306. Such a configuration is conducive to collecting rainwater flowing from the opening 1011 and the copper busbar 400, which can prevent rainwater from staying on the copper busbar 400, and is conducive to increasing the creepage distance between the copper busbar 400 and the first mounting portion 104 and the second mounting portion 105, thereby facilitating the insulation performance of the copper busbar 400 and the first mounting portion 104, as well as the insulation performance of the copper busbar 400 and the second mounting portion 105.

[0049] Preferably, the first receiving groove 302 and the second receiving groove 303 are both provided with drainage holes 304 communicating with the opening 1011. Such a configuration is conducive to timely discharge of accumulated water from the first receiving groove 302 and the second receiving groove 303, and is conducive to preventing water entering from the opening 1011 from soaking the first mounting portion 104 and the second mounting portion 105.

[0050] It should be noted that the cross-sections of the first receiving groove 302 and the second receiving groove 303 perpendicular to the length direction are both U-shaped, the copper bar 400 is located above the first receiving groove 302 and the second receiving groove 303, and the bottom of the copper bar 400 is spaced from both the first receiving groove 302 and the second receiving groove 303. The drainage hole 304 is preferably provided at the bottom of the first receiving groove 302 and the second receiving groove 303, and the first mounting portion 104 and the second mounting portion 105 are respectively located at the upper part of the first receiving groove 302 and the second receiving groove 303 and away from the side of the opening 1011. Such a configuration is convenient for collecting accumulated water and preventing accumulated water from accumulating between the cover body and the copper bar 400 and affecting the safety of the copper bar 400.

[0051] Please refer to Figures 7 and 8 The insulating bracket 300 disclosed in the embodiment of the present invention is also provided with a lead hole 307 for the copper bar adapter terminal 500 and the copper bar adapter wire 600 to pass through, and the lead hole 307 is arranged at one end of the copper bar installation part 301 away from the drainage hole 304. Such a setting facilitates the routing of the copper bar adapter wire 600, and can prevent the copper bar adapter wire terminal 500 from being soaked by water, and the copper bar adapter wire 600 from being soaked by water, further improving the reliability and safety of the pantograph device.

[0052] In order to allow the accumulated water on the top of the copper busbar 400 to be drained quickly and stably, the contact surface on the copper busbar 400 disclosed in the embodiment of the present invention for overlapping with the charging bow device is arranged in an arc shape, and the copper busbar 400 is arranged to be high in the middle and low on both sides along its width direction.

[0053] The pantograph device disclosed in the embodiment of the present invention includes four copper bars 400, the cover includes two sub-covers 100, and the two sub-covers 100 are connected by a connecting portion 200.

[0054] Each sub-cover 100 includes two openings 1011 and a spacing groove 1012 disposed between the two openings 1011. Each opening 1011 is used for a copper busbar 400 to extend out, and the length direction of the spacing groove 1012 is perpendicular to the length direction of the opening 1011. Such a configuration is conducive to improving the consistency of assembly of multiple copper busbars 400 while increasing the creepage distance.

[0055] The sub-cover body 100 disclosed in the embodiment of the present invention includes a top plate 101 and side plates 102 arranged on both sides of the top plate 101, wherein an opening 1011 is arranged on the top plate 101, the width of the opening 1011 is greater than the width of the copper busbar 400, and the length of the opening 1011 is greater than the length of the copper busbar 400.

[0056] The top plate 101 is tilted, and a portion of the top plate 101 close to the opening 1011 is higher than a portion of the top plate 101 far from the opening 1011 .

[0057] The side panels 102 are tilted and tilt outward from top to bottom.

[0058] It should be explained that “inclined outward” means that the side plate 102 is inclined along its height direction toward a direction away from the opening 1011 .

[0059] The inner side wall of the sub-cover body 100 disclosed in the embodiment of the present invention is preferably made of insulating and waterproof material.

[0060] An embodiment of the present invention further discloses an electric vehicle, comprising the pantograph device disclosed in any one of the above embodiments.

[0061] Since the electric vehicle adopts the pantograph device, the electric vehicle has the technical advantages of the pantograph device, which will not be described in detail in the embodiment of the present invention.

[0062] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application 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 present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0063] Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0064] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pantograph device, characterized in that: The invention comprises a cover body, an insulating bracket and at least two copper bars arranged at intervals, wherein the copper bar is arranged on the copper bar mounting portion of the insulating bracket, the cover body is arranged to cover the insulating bracket and the copper bar, the cover body is provided with an opening for the copper bar to extend out, the edge of the opening and the copper bar and the insulating bracket are arranged at intervals, and the contact surface of the copper bar for overlapping with the charging bow device extends out of the cover body through the opening, so that the copper bar can contact with the charging bow device; The cover body comprises a first mounting portion and a second mounting portion which are arranged inside the cover body and are used to be connected to the insulating bracket, and the first mounting portion and the second mounting portion are respectively located on two sides of the opening; The insulating bracket includes a third mounting portion connected to the first mounting portion, and a fourth mounting portion connected to the second mounting portion, wherein the third mounting portion and the fourth mounting portion are both configured to be located outside a water flow path entering from the opening; The insulating support further includes a first accommodating groove and a second accommodating groove communicated with the opening, and the length directions of the first accommodating groove and the second accommodating groove both extend along the length direction of the copper busbar.

2. The pantograph device according to claim 1, characterized in that: The cover body further comprises a water retaining portion arranged at the opening, and the first mounting portion and the second mounting portion are located at a side of the water retaining portion away from the opening.

3. The pantograph device according to claim 2, characterized in that: The first mounting portion and the second mounting portion are both arranged on the top wall of the cover body; or the first mounting portion and the second mounting portion are both arranged on the water retaining portion; or the first mounting portion and the second mounting portion are both arranged on the side wall of the cover body, and the first mounting portion and the second mounting portion are both higher than the bottom end of the water retaining portion.

4. The pantograph device according to claim 1, characterized in that: Along the width direction of the copper busbar, the third mounting portion and the fourth mounting portion are respectively located at two ends of the insulating bracket, the first accommodating groove is arranged between the copper busbar mounting portion and the third mounting portion, the second accommodating groove is arranged between the copper busbar mounting portion and the fourth mounting portion, and the first accommodating groove and the second accommodating groove are both arranged lower than the third mounting portion and the fourth mounting portion.

5. The pantograph device according to claim 4, characterized in that: The first accommodating groove and the second accommodating groove are both provided with drainage holes communicated with the opening.

6. The pantograph device according to claim 5, characterized in that: The insulating bracket is also provided with a lead hole for the copper busbar adapter terminal and the copper busbar adapter wire to pass through, and the lead hole is arranged at one end of the copper busbar mounting portion away from the drainage hole.

7. The pantograph device according to claim 1, characterized in that: The contact surface is arranged in an arc shape, and the copper busbar is arranged in a manner that it is high in the middle and low on both sides along its width direction.

8. The pantograph device according to claim 1, characterized in that: The pantograph device comprises four copper bars, the cover comprises two sub-covers, and the two sub-covers are connected by a connecting portion; Each of the sub-covers comprises two openings and a spacing groove arranged between the two openings. Each of the openings is used for allowing one of the copper bars to extend out, and the length direction of the spacing groove is perpendicular to the length direction of the opening.

9. The pantograph device according to claim 8, characterized in that: The sub-cover body includes a top plate and side plates arranged on both sides of the top plate, the opening is arranged on the top plate, the width of the opening is greater than the width of the copper bar, and the length of the opening is greater than the length of the copper bar; The top plate is arranged obliquely, and a portion of the top plate close to the opening is higher than a portion of the top plate far from the opening; The side panels are arranged obliquely, and the side panels are inclined outwards from top to bottom.

10. An electric vehicle, characterized in that: Comprising the pantograph device according to any one of claims 1-9.

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