New energy vehicle auxiliary equipment power supply device

Abstract

The present invention discloses a power supply device for auxiliary equipment of new energy vehicles, which relates to the field related to new energy vehicles, including a box installed at the installation position of the auxiliary equipment of the new energy vehicle, a battery assembly is installed at the top internal position of the box, and the power connection position of the battery assembly is connected to the power supply of the auxiliary equipment of the new energy vehicle through the power transmission assembly; and also includes: a placement plate for placing the battery assembly is arranged inside the box, and a limiting mechanism is arranged at the bottom of the placement plate, and the linkage work of the limiting mechanism drives the interference mechanism to act on the damping spring to prevent the elastic force of the damping spring from causing the battery assembly to move. The power supply device for auxiliary equipment of new energy vehicles is provided with an interference mechanism. Through the auxiliary setting of the interference mechanism, the damping effect of the damping spring can be changed, resulting in the box and the battery assembly being effectively prevented from being worn at the bottom of the battery assembly during the stabilization process.

Description

Technical Field

[0001] The present invention relates to the technical field related to power supply or electric energy storage systems for new energy vehicles, and specifically to a power supply device for auxiliary equipment of new energy vehicles. Background Art

[0002] The battery pack is a common component in new energy vehicles. It can power the auxiliary equipment of new energy vehicles and effectively provide power for the auxiliary equipment.

[0003] The vehicle will vibrate during driving, but the existing battery box does not have the function of shock absorption. With long-term use, the battery box group is easily damaged, causing unnecessary losses;

[0004] In order to overcome the above defects, reference can be made to the prior art (a new energy vehicle battery box disclosed in publication number CN109591624A, which was published on April 9, 2019). The battery box is provided with a support plate and a buffer spring inside, and the buffer spring reduces the impact of vibration on the battery box, plays a role of self-protection, and prolongs the service life;

[0005] Another example is the prior art (a new energy vehicle power storage device disclosed in publication number CN112319200A, which was published on 2021-02-05). The power storage device is provided with a shock absorbing mechanism and uses a plurality of third springs to reduce the damage caused by vibration to the battery, thereby increasing the service life of the device;

[0006] Although the existing technology can solve the problem of preventing the batteries inside the battery box from vibrating and causing wear on the bottom of the batteries during use, there are other problems. When the spring is set to perform shock absorption, the spring is unstable. When the spring vibrates, its interior is not stable. Therefore, it is necessary to interfere with the force of the spring to effectively avoid wear on the bottom of the battery.

[0007] Therefore, we proposed a new energy vehicle auxiliary equipment power supply device to solve the above-mentioned problems. Summary of the invention

[0008] The purpose of the present invention is to provide a power supply device for auxiliary equipment of new energy vehicles to solve the problem proposed in the above background technology that the battery box on the market is currently subjected to shock absorption treatment by means of a spring, and the spring is unstable at this time. When the spring vibrates, its interior is not stable, so it is necessary to interfere with the force of the spring, thereby effectively avoiding the problem of wear on the bottom of the battery.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a power supply device for auxiliary equipment of a new energy vehicle, comprising a box body installed at the installation position of the auxiliary equipment of the new energy vehicle, a battery assembly is installed at the top inner position of the box body, and the power connection position of the battery assembly is connected to the power supply of the auxiliary equipment of the new energy vehicle through a power transmission assembly;

[0010] It also includes that a battery cover is provided at the top of the box, and the edge of the battery cover is fixedly connected to the top of the box through a locking bolt;

[0011] The box body is provided with a placement plate for placing the battery assembly, and a limit mechanism is provided at the bottom of the placement plate. The linkage work of the limit mechanism drives the interference mechanism to act on the damping spring to prevent the elastic force of the damping spring from causing the battery assembly to move;

[0012] The interference mechanism includes a moving rod installed at the bottom corner of the placement plate, a damping spring is fixed at the bottom position of the moving rod, and the bottom end of the damping spring is fixed to the upper end of the disc, and the disc and the damping spring are both arranged inside the fixed sleeve, the bottom position of the disc is fixed to the inside of the fixed sleeve through two groups of guide rods, the bottom position of the disc is threadedly connected to the outside of the rotating screw, and the middle outer position of the rotating screw is connected to the bottom position of the fixed sleeve through a first torsion spring, and a pull rope is wrapped around the outside of the bottom of the rotating screw.

[0013] Preferably, the limiting mechanism includes a worm gear rotatably arranged below the placement plate, and the outer side of the worm gear is meshedly connected to the outer side of the worm wheel, the upper shaft end of the worm wheel is fixed at the bottom center position of the connecting gear, and the front and rear sides of the connecting gear are meshedly connected to the outer side of the limiting tooth plate, and the top of the limiting tooth plate is slidably arranged in a slide groove, and the slide groove is opened through the placement plate.

[0014] Preferably, the worm gear is rotatably arranged on the outside of the bottom end of the box body, and the two groups of limiting tooth plates form a sliding structure between the connecting gear and the inside of the slide groove, and the moving directions of the two groups of limiting tooth plates are relatively arranged, and a group of rubber pads are fixed on the inner sides of the two groups of slide grooves.

[0015] Preferably, four groups of pull ropes are wound around the bottom of the worm wheel, and the outer ends of the four groups of pull ropes are connected to the bottom of four groups of rotating screws.

[0016] Preferably, the disc forms a sliding structure with the interior of the fixed sleeve through the rotating screw.

[0017] Preferably, a delivery pipe is connected to the middle position of the fixed sleeve, a group of nozzles are fixed to the tail end position of the delivery pipe, the top position of the nozzle is fixed to the bottom position of the return spring, the top position of the return spring is fixed to the inner top end of the movable gear cylinder, the outer position of the movable gear cylinder is meshed and connected with a group of rotating gears, the center position of the rotating gears is fixed to the outside of the rotating shaft, and one end position of the rotating shaft is rotatably arranged at the inner position of the box.

[0018] Preferably, one end of the rotating shaft is fixed at the end of the bottom heat sink, the outer side of the heat sink is connected to the inner side of the box through a second torsion spring, and the outer side of the delivery pipe is fixed inside the box.

[0019] Preferably, the tooth blocks arranged on the outside of the movable gear cylinder are arranged with gap distribution, and the rotating gear and the tooth blocks fixed on the outside of the movable gear cylinder are arranged with intermittent meshing, and the rotating shaft forms a reset rotating structure with the inside of the box through the rotating gear and the second torsion spring.

[0020] Preferably, the outer side of the heat sink is arranged outside the box, and several groups of heat sinks are rotatably arranged inside the box, and the axial ends of the several groups of heat sinks are connected by a synchronous belt.

[0021] Preferably, the heat sinks are arranged in two groups symmetrically about a horizontal transverse center line of the box body, and the rotation range of the heat sinks is -30° to 30°.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: the power supply device of the auxiliary equipment of the new energy vehicle is provided with an interference mechanism, and the damping effect of the damping spring can be changed through the auxiliary setting of the interference mechanism, so that the box and the battery assembly can effectively avoid the phenomenon of the bottom of the battery assembly being worn during the stabilization process. The specific contents are shown as follows:

[0023] 1. A limiting mechanism is set. After the worm is rotated, the worm wheel meshed with the outside of the worm will also rotate at the bottom of the placement plate, and the two sets of limiting tooth plates meshed with the outside of the connecting gear will move relatively. The rubber pad fixed on the inside of the limiting tooth plate will also limit the outside of the battery assembly, so as to achieve the purpose of limiting the battery assembly;

[0024] 2. An interference mechanism is provided. When the pull rope is contracted, the other end of the pull rope will also drive the rotating screw to rotate, so that the disc threadedly connected to the outer side of the rotating screw will also move stably inside the fixed sleeve through the guide rod, so that the disc will squeeze the bottom of the damping spring, so that the position of the damping spring changes, and the damping effect of the damping spring is changed at this time;

[0025] Furthermore, a delivery pipe is provided, and the gas is delivered to the inside of the movable gear cylinder through a nozzle, so that the height of the movable gear cylinder can be adjusted, and the rotating gear can drive the rotating shaft to be adjusted on the outside of the box body, thereby facilitating heat dissipation.

[0026] Furthermore, when the battery assembly vibrates, the moving rod also moves inside the fixed sleeve. At this time, the gas also drives the moving gear cylinder to adjust its height, and the intermittently arranged tooth blocks drive the rotating gear to rotate. When it is no longer engaged, the heat sink is reset by the second torsion spring, which makes heat dissipation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the left side cross-sectional structure of the box body of the present invention;

[0029] Figure 3 It is a schematic diagram of the front cross-sectional structure of the battery assembly of the present invention;

[0030] Figure 4 This is a schematic diagram of the main cross-sectional structure of the box body of the present invention;

[0031] Figure 5 This is a schematic diagram of the cross-sectional structure of the placement plate of the present invention when viewed from above;

[0032] Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle;

[0033] Figure 7 This is a schematic diagram of the main cross-sectional structure of the fixing sleeve of the present invention;

[0034] Figure 8 This is a schematic diagram of the front cross-sectional structure of the movable gear cylinder of the present invention;

[0035] Fig. 9 It is a partial front view structural schematic diagram of the heat sink of the present invention;

[0036] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at B in the middle.

[0037] In the figure: 1. box body; 2. battery cover; 3. locking bolt; 4. power transmission assembly; 5. battery assembly; 6. placement plate; 7. worm; 8. worm wheel; 9. connecting gear; 10. limit gear plate; 11. slide groove; 12. pull rope; 13. rotating screw; 14. first torsion spring; 15. fixing sleeve; 16. disc; 17. guide rod; 18. damping spring; 19. moving rod; 20. delivery pipe; 21. nozzle; 22. return spring; 23. moving gear cylinder; 24. rotating gear; 25. rotating shaft; 26. heat sink; 2601, second torsion spring; 27. synchronous belt. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-Figure 10 , the present invention provides the following technical solutions:

[0040] Embodiment 1: In order to solve the problem that the battery box on the market currently uses a spring to perform shock absorption, the spring is unstable at this time. When the spring vibrates, its internal part is not stable. Therefore, it is necessary to interfere with the force of the spring, thereby effectively avoiding the problem of wear on the bottom of the battery. Please refer to the attached Figure 1 -Attached Figure 7, including a box body 1 installed at the installation position of the auxiliary equipment of the new energy vehicle, a battery assembly 5 is installed at the top internal position of the box body 1, and the power connection position of the battery assembly 5 is connected to the power supply of the auxiliary equipment of the new energy vehicle through the power transmission assembly 4; it also includes that a battery cover plate 2 is arranged at the top position of the box body 1, and the edge position of the battery cover plate 2 is fixedly connected to the top position of the box body 1 through a locking bolt 3; a placement plate 6 for placing the battery assembly 5 is arranged inside the box body 1, and a limiting mechanism is arranged at the bottom of the placement plate 6, and the linkage work of the limiting mechanism drives the interference mechanism to act on the damping spring 18 to prevent the elastic force of the damping spring 18 from causing the electric The pool assembly 5 moves; the interference mechanism includes a moving rod 19 installed at the bottom corner of the placement plate 6, a damping spring 18 is fixed at the bottom of the moving rod 19, and the bottom end of the damping spring 18 is fixed to the upper end of the disc 16, and the disc 16 and the damping spring 18 are both arranged inside the fixed sleeve 15, the bottom of the disc 16 is fixed to the inside of the fixed sleeve 15 through two sets of guide rods 17, the bottom of the disc 16 is threadedly connected to the outside of the rotating screw 13, and the middle outer position of the rotating screw 13 is connected to the bottom position of the fixed sleeve 15 through the first torsion spring 14, and a pull rope 12 is wound around the bottom outer side of the rotating screw 13. The disc 16 forms a sliding structure between the rotating screw 13 and the inside of the fixed sleeve 15.

[0041] When the limit mechanism cooperates, the pull rope 12 wound around the bottom of the connecting gear 9 will also shrink. When the pull rope 12 shrinks, the other end of the pull rope 12 will also drive the rotating screw 13 to rotate, so that the disc 16 threadedly connected to the outer side of the rotating screw 13 will also move stably inside the fixed sleeve 15 through the guide rod 17, so that the disc 16 will squeeze the bottom of the damping spring 18, so that the position of the damping spring 18 changes, and the damping effect of the damping spring 18 is changed, so that the damping effect of the damping spring 18 can be better achieved;

[0042] Embodiment 2: In order to facilitate the positioning of the battery assembly 5, please refer to the attached Figure 1 -Attached Figure 6The limiting mechanism includes a worm 7 rotatably arranged at the lower position of the placement plate 6, and the outer position of the worm 7 is meshed and connected to the outer position of the worm wheel 8, the upper shaft end position of the worm wheel 8 is fixed at the bottom center position of the connecting gear 9, and the front and rear sides of the connecting gear 9 are meshed and connected to the outer position of the limiting tooth plate 10, and the top of the limiting tooth plate 10 is slidably arranged in the slide groove 11, and the slide groove 11 is opened in the placement plate 6. The worm 7 is rotatably arranged at the outer side of the bottom end of the box body 1, and the two groups of limiting tooth plates 10 form a sliding structure between the connecting gear 9 and the inside of the slide groove 11, and the moving directions of the two groups of limiting tooth plates 10 are relatively arranged, and a group of rubber pads are fixed on the inner side of the two groups of slide grooves 11. Four groups of pull ropes 12 are wound around the bottom position of the worm wheel 8, and the outer ends of the four groups of pull ropes 12 are connected to the bottom positions of the four groups of rotating screws 13.

[0043] When using the device, first place the battery assembly 5 in the placement plate 6 provided inside the box 1, and then rotate the outer sides of the front and rear ends of the battery assembly 5 through the cooperation setting of the limiting mechanism. When the worm 7 provided on the outer side of the box 1 is rotated, the worm wheel 8 meshed and connected to the outer side of the worm 7 will also rotate at the bottom position of the placement plate 6. At this time, the worm wheel 8 will also drive the connecting gear 9 fixed on the top to rotate. At this time, the two sets of limiting tooth plates 10 meshed and connected to the outer side of the connecting gear 9 will move relatively, and the rubber pad fixed on the inner side of the limiting tooth plate 10 will also limit the outer side of the battery assembly 5. At this time, the purpose of limiting the battery assembly 5 can be achieved, and after limiting, by setting the cooperation setting of the battery cover plate 2 and the locking bolt 3, the battery cover plate 2 can be stably fixed and connected to the top position of the box 1, and the connecting wire of the power transmission assembly 4 is connected to the connection part of the auxiliary equipment of the new energy vehicle;

[0044] Embodiment 3: In order to dissipate heat for the box body 1 and the battery assembly 5 disposed inside the box body 1, please refer to the attached Figure 1 -Attached Figure 4 and attached Figure 7 -Attached Fig.10The middle position of the fixed sleeve 15 is connected with a delivery pipe 20, and a group of nozzles 21 are fixed at the tail end of the delivery pipe 20. The top position of the nozzle 21 is fixed with the bottom position of the return spring 22. The top position of the return spring 22 is fixed at the top of the inside of the moving gear cylinder 23. The outer position of the moving gear cylinder 23 is meshed with a group of rotating gears 24. The center position of the rotating gear 24 is fixed at the outer side of the rotating shaft 25. One end of the rotating shaft 25 is rotatably arranged at the inner position of the box body 1. One end of the rotating shaft 25 is fixed at the end position of the bottom heat sink 26. The outer side of the heat sink 26 is connected to the inner position of the box body 1 through the second torsion spring 2601. The outer position of the delivery pipe 20 is fixed inside the box body 1. The tooth blocks arranged on the outer side of the moving gear cylinder 23 are arranged with gap distribution, and the rotating gear 24 and the tooth blocks fixed on the outer side of the moving gear cylinder 23 are arranged in intermittent meshing. The rotating shaft 25 forms a reset rotation structure with the inner part of the box body 1 through the rotating gear 24 and the second torsion spring 2601. The outer side of the heat sink 26 is arranged outside the box 1, and several groups of heat sinks 26 are rotatably arranged inside the box 1, and the axial ends of the several groups of heat sinks 26 are connected by a synchronous belt 27. Two groups of heat sinks 26 are symmetrically distributed about the horizontal transverse center line of the box 1, and the rotation range of the heat sink 26 is -30° to 30°.

[0045] When the rotating screw 13 rotates, the gas inside the fixed sleeve 15 will be transported through the delivery pipe 20, so that the gas is transported to the inside of the mobile gear cylinder 23 and the nozzle 21 through the delivery pipe 20, so that the height of the mobile gear cylinder 23 is adjusted by the return spring 22. When the mobile gear cylinder 23 is adjusted in height, the tooth block arranged on the outside of the mobile gear cylinder 23 will drive the rotating gear 24 to rotate, and the rotating shaft 25 fixed by the center of the rotating gear 24 drives the heat sink 26 to rotate, and the lowermost heat sink 26 drives the other second torsion springs 2601 to rotate through the synchronous belt 27. At this time, the angle adjustment of the heat sink 26 inside the box 1 can be realized, so as to facilitate heat dissipation. In addition, when vibration occurs, the mobile rod 19 will also move inside the fixed sleeve 15. At this time, the gas will also drive the mobile gear cylinder 23 to adjust its height, so that the intermittently arranged tooth block drives the rotating gear 24 to rotate. When it is no longer engaged, the heat sink 26 will be reset by the second torsion spring 2601, which is more convenient for heat dissipation.

[0046] The above-described embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Therefore, any equivalent changes or modifications made according to the structures, features and principles described in the scope of the present invention should be included in the scope of the present invention.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A power supply device for auxiliary equipment of a new energy vehicle, comprising a box (1) installed at an installation position of the auxiliary equipment of the new energy vehicle, a battery assembly (5) installed at an internal position on the top of the box (1), and a power connection position of the battery assembly (5) connected to a power supply position of the auxiliary equipment of the new energy vehicle through a power transmission assembly (4); Features: The box body (1) is also provided with a battery cover (2) at the top thereof, and the edge of the battery cover (2) is fixedly connected to the top of the box body (1) via a locking bolt (3); The box body (1) is provided with a placement plate (6) for facilitating placement of the battery assembly (5), and a limit mechanism is provided at the bottom of the placement plate (6). The linkage operation of the limit mechanism drives the interference mechanism to act on the damping spring (18), thereby preventing the elastic force of the damping spring (18) from causing the battery assembly (5) to move; The interference mechanism comprises a moving rod (19) installed at the bottom corner of the placement plate (6), a damping spring (18) is fixed at the bottom of the moving rod (19), and the bottom end of the damping spring (18) is fixed to the upper end of the disc (16), and the disc (16) and the damping spring (18) are both arranged inside the fixed sleeve (15), the bottom of the disc (16) is fixed to the inside of the fixed sleeve (15) through two groups of guide rods (17), the bottom of the disc (16) is threadedly connected to the outside of the rotating screw (13), and the middle outer position of the rotating screw (13) is connected to the bottom position of the fixed sleeve (15) through a first torsion spring (14), and a pull rope (12) is wound around the bottom outer side of the rotating screw (13); The limiting mechanism comprises a worm (7) rotatably arranged at a position below the placement plate (6), and the outer position of the worm (7) is meshedly connected to the outer position of the worm wheel (8), the upper shaft end position of the worm wheel (8) is fixed at the bottom center position of the connecting gear (9), and the front and rear sides of the connecting gear (9) are meshedly connected to the outer position of the limiting tooth plate (10), and the top of the limiting tooth plate (10) is slidably arranged in a slide groove (11), and the slide groove (11) is opened through the placement plate (6); The worm (7) is rotatably arranged on the outside of the bottom end of the box body (1), and the two groups of limit tooth plates (10) form a sliding structure by connecting the gear (9) and the inside of the slide groove (11), and the moving directions of the two groups of limit tooth plates (10) are relatively arranged, and a group of rubber pads are fixed on the inner sides of the two groups of slide grooves (11); Four groups of pull ropes (12) are wound around the bottom of the worm wheel (8), and the outer ends of the four groups of pull ropes (12) are connected to the bottom of four groups of rotating screws (13).

2. The power supply device for auxiliary equipment of new energy vehicles according to claim 1, characterized in that: The disc (16) forms a sliding structure with the interior of the fixed sleeve (15) by rotating the screw rod (13).

3. The power supply device for auxiliary equipment of new energy vehicles according to claim 1, characterized in that: The middle position of the fixed sleeve (15) is connected to a delivery pipe (20), and a group of nozzles (21) are fixed to the tail end of the delivery pipe (20). The top position of the nozzle (21) is fixed to the bottom position of the return spring (22), and the top position of the return spring (22) is fixed to the inner top end of the moving gear cylinder (23). The outer position of the moving gear cylinder (23) is meshedly connected to a group of rotating gears (24), and the center position of the rotating gear (24) is fixed to the outer side of the rotating shaft (25), and one end position of the rotating shaft (25) is rotatably arranged in the inner position of the box body (1).

4. The power supply device for auxiliary equipment of new energy vehicles according to claim 3, characterized in that: One end of the rotating shaft (25) is fixed at the end of the bottom heat sink (26), the outer side of the heat sink (26) is connected to the inner side of the box (1) via a second torsion spring (2601), and the outer side of the delivery pipe (20) is fixed inside the box (1).

5. The power supply device for auxiliary equipment of new energy vehicles according to claim 3, characterized in that: The tooth blocks arranged on the outer side of the movable gear cylinder (23) are arranged in a gap distribution, and the rotating gear (24) and the tooth blocks fixed on the outer side of the movable gear cylinder (23) are arranged in an intermittent meshing arrangement, and the rotating shaft (25) forms a reset rotating structure with the interior of the box body (1) through the rotating gear (24) and the second torsion spring (2601).

6. The power supply device for auxiliary equipment of new energy vehicles according to claim 4, characterized in that: The outer sides of the heat sink (26) are arranged outside the box (1), and the plurality of groups of heat sinks (26) are rotatably arranged inside the box (1), and the shaft ends of the plurality of groups of heat sinks (26) are connected via a synchronous belt (27).

7. The power supply device for auxiliary equipment of new energy vehicles according to claim 4, characterized in that: The heat sinks (26) are arranged in two groups symmetrically distributed about the horizontal transverse center line of the box body (1), and the rotation range of the heat sinks (26) is -30° to 30°.

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