CN109910653B - Charging system for pure electric vehicle - Google Patents

Abstract

The invention discloses a pure electric vehicle charging system which comprises a vehicle body, a battery pack and a docking cylinder, wherein a docking groove is formed in the side wall of the vehicle body and is provided with a protective cover, a charging slot is formed in the middle position of the inner wall of the left side of the docking groove and is electrically connected with the battery pack, a miniature electric telescopic rod is horizontally connected in the vehicle body at the upper side and the lower side of the position of the docking groove, the miniature electric telescopic rod is electrically connected with the power supply end of the battery pack, and meanwhile, the telescopic end of the miniature electric telescopic rod is positioned in the docking groove. The invention generates a saturation feedback signal after the battery pack is fully charged, and generates an electric signal jump through the relay, so that the miniature electric telescopic rod is extended, the charging plug and the sliding column are pushed back into the butting cylinder through the cooperation of the clamping block and the U-shaped clamping frame, the complete disconnection after the charging is completed is realized, the continuous charging damage circuit is avoided, and the butting cylinder is prevented from falling out of the vehicle body due to the fact that the end of the rotating rod is buckled in the buckling groove.

Description

A pure electric vehicle charging system

technical field

The invention relates to the technical field of electric vehicle charging, in particular to a pure electric vehicle charging system.

Background technique

New energy vehicles refer to all other energy vehicles except gasoline and diesel engines, including fuel cell vehicles, hybrid vehicles, hydrogen energy vehicles and pure electric vehicles, among which pure electric vehicles generally need to be charged through charging piles at fixed locations .

The traditional pure electric vehicle charging system has the following deficiencies:

Generally, the body of a pure electric vehicle has a charging slot for docking with the movable charging plug on the charging pile. However, it takes a period of time for the charging plug to be plugged into the charging slot to charge, and it is impossible for someone to watch it all the time. Afterwards, the charging plug will not be pulled out of the charging slot in time, which will easily damage the circuit and cause some damage to the car's battery; the general charging plug is easily pulled off by external forces when inserted in the charging slot, and the connection is stable. The safety is not high enough; Generally, after the charging plug is removed from the car body, the protective cover needs to be put on manually, because the charging plug is directly exposed, and the protective cover needs to be manually removed when using it, which is not convenient enough. Not safe enough.

Contents of the invention

The purpose of the present invention is to provide a pure electric vehicle charging system to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a pure electric vehicle charging system, including a car body, a battery pack and a docking barrel, a docking groove is opened on the side wall of the car body and a protective cover is provided for the docking groove There is a charging slot in the middle of the inner wall on the left side of the docking slot, and the charging slot is electrically connected to the battery pack. The interior of the car body on the upper and lower sides of the docking slot is horizontally connected with a miniature electric telescopic rod and the miniature electric telescopic rod It is electrically connected to the power supply end of the battery pack, and the telescopic end of the miniature electric telescopic rod is inside the docking slot, and a relay is electrically connected between the miniature electric telescopic rod and the saturation feedback module of the battery pack, and the position of the charging slot is The inner wall of the docking groove is surrounded by a ring-shaped slideway. A swivel is embedded in the ring-shaped slideway and the swivel ring surrounds the charging slot. Curved springs are fitted at the diagonal positions of the ring-shaped slideway. One end of the curved spring is fixed to the inner wall of the annular slideway and the other end is fixed to the side wall of the swivel. The outer end surface of the swivel is provided with a card slot on the upper and lower sides. The inner bottom of the card slot is provided with a contraction switch and the contraction switch The electrical connection is between the miniature electric telescopic rod and the circuit connected to the power transmission end of the battery pack. The docking cylinder is inserted into the docking groove and a sliding column is horizontally arranged inside the docking cylinder. The left end of the sliding column is fixed and connected with a charging and the charging plug is directly facing the charging slot. The right end of the sliding column is fixedly connected with a power line and the power line is electrically connected to the charging plug. The upper and lower side walls of the left end of the tube are fixed with a U-shaped card frame, the telescopic end of the miniature electric telescopic rod is fixed with a card block and the card block is correspondingly stuck in the U-shaped card frame, the upper and lower outer walls of the left end of the docking tube The elastic telescopic rods are fixed horizontally at all places, and the telescopic ends of the elastic telescopic rods are inserted into the card slot. The docking cylinder surrounds and fixes the limit plate on the outer wall near the left end, and the limit plate is attached to the position of the docking groove. on the outer wall of the vehicle.

Further, the butt joint cylinder is provided with slide rails horizontally at the inner upper and lower side walls near the right end, and the upper and lower sides of the right end of the slide column are all connected in the slide rails through sliders, and at the same time, the inner side walls of the slide rails are fitted and fixed. With rubber pads.

Further, a cylindrical groove is horizontally opened on the inner side of the right end of the docking cylinder, and the transmission line passes through the cylindrical groove. At the same time, the upper and lower inner walls of the cylindrical groove are movably fitted and connected with balls, and the balls are clamped on the upper and lower sides of the transmission line.

Further, the upper and lower outer walls of the right end of the docking cylinder are fixed with a signal light and the signal light is equipped with a battery, and at the same time, a light control switch is fixed on the inner wall of the docking cylinder facing the right end of the sliding column, and the sliding column is squeezed on the lamp. control switch.

Further, pulleys are fixedly arranged on the upper and lower edges of the limiting disk.

Further, there are openings on the upper and lower sides of the handover position between the limit plate and the docking cylinder, and a rotating rod is connected to the opening through the tilting of the rotating shaft, and buckle grooves are opened on the inner walls of the upper and lower sides of the docking groove. The left end of the rotating rod is bent and folded in the buckle groove, and a return spring is vertically fixed between the right end of the rotating rod and the outer wall of the docking cylinder simultaneously.

Further, the upper and lower outer walls of the middle section of the docking cylinder are connected with a pressure handle through the rotation of the shaft frame, and the right end of the pressure handle is tilted outward, and the left end of the pressure handle is moved and connected with the right end of the rotating rod through the movable ring.

Compared with prior art, the beneficial effect of the present invention is:

1. The docking tube of the present invention is removed from the charging pile and inserted into the docking slot opened on the car body, and covers the miniature electric telescopic rod in the docking slot. The mouth is in the horizontal position, and when the limit plate is attached to the outer wall of the car body, the vertical plane where the left side frame of the paired U-shaped card frame on the side wall of the sliding column inside the docking cylinder is just in the connection with the telescopic end of the miniature electric telescopic rod. The card block is located on the left side of the vertical surface. In this case, rotate the docking cylinder so that the two openings on the limit plate can be turned to the vertical position, and the U-shaped card frame will rotate accordingly to bite the card. The position of the block is convenient for the miniature electric telescopic rod to push and pull the sliding column;

2. The elastic telescopic rod connected to the left end of the docking cylinder of the present invention shrinks due to extrusion when it touches the inner wall of the docking groove, and rotates with the rotation of the docking cylinder until it is aligned with the slot, the elastic telescopic rod is elastically reset and inserted into the slot inside, so that the docking tube is stable, and the elastic telescopic rod touches the contraction switch inside the card slot, triggering the contraction of the micro electric telescopic rod, and the micro electric telescopic rod pulls the sliding column to the left of the docking tube through the cooperation of the clamping block and the U-shaped card frame Slide the side port outside until the charging plug at the end of the sliding column is inserted into the charging slot to charge;

3. In the process of inserting the docking cylinder into the docking groove, the pressing handle is pressed by hand so that when the right end of the rotating rod is tilted, it is convenient for the bending head at the left end of the rotating rod to enter the docking groove, and due to the function of the limit plate As well as the rotation of the docking cylinder, the left bending head of the rotating rod is finally aligned with the buckle groove in the docking groove, and then relying on the rebound force of the return spring, the left bending head of the rotating rod is buckled into the buckle groove to realize the stability of the docking cylinder Buckle in the docking slot, after the battery pack is fully charged, a saturation feedback signal will be generated, and an electrical signal jump will be generated through the relay, so that the miniature electric telescopic rod will be extended, so that the charging plug will Push back into the docking barrel with the sliding column to realize complete disconnection after charging is completed, avoiding further charging to damage the circuit, and the charging plug is also stored and protected, and at this time, because the end of the rotating rod is buckled in the buckle groove, the docking barrel is avoided fall out of the vehicle body;

4. In the present invention, when the docking cylinder needs to be removed, just rotate the docking cylinder 90 degrees in any direction, and then the clamping block on the miniature electric telescopic rod will break away from the U-shaped clamping frame on the sliding column. The elastic telescopic rod in the card slot will drive the card slot to rotate through the swivel ring to prevent the rotation of the docking tube from being hindered, and then the docking tube can be pulled away.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a pure electric vehicle charging system of the present invention;

Fig. 2 is a right view structural diagram of the connection between the swivel ring and the vehicle body in a pure electric vehicle charging system of the present invention;

Fig. 3 is a left view structural diagram of the connection between the limit plate and the docking cylinder in a pure electric vehicle charging system according to the present invention;

Fig. 4 is a right view structural diagram of the connection between the card block and the U-shaped card frame in a pure electric vehicle charging system of the present invention;

Fig. 5 is a left view structural diagram of a slide rail in a pure electric vehicle charging system of the present invention;

Fig. 6 is a partial enlarged structural diagram of the docking groove and the docking barrel in a battery charging system for a pure electric vehicle according to the present invention.

In Figure 1-6: 1-car body; 2-battery pack; 3-relay; 4-miniature electric telescopic rod; 5-charging slot; 6-docking slot; 7-buckle slot; 8-charging plug; 9- Sliding column; 10-pressure handle; 11-rotary rod; 12-movable ring; 13-slide rail; 14-light control switch; 15-docking barrel; 16-signal light; Power line; 20-limit plate; 21-pulley; 22-opening; 23-ring slide; 24-curve spring; 25-swivel; 26-U-shaped card frame; 27-block; 28-elastic expansion Rod; 29-rubber pad; 30-return spring; 31-card slot; 32-retraction switch.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a pure electric vehicle charging system, including a vehicle body 1, a battery pack 2 and a docking cylinder 15, and a docking groove 6 is opened on the side wall of the vehicle body 1 And the docking groove 6 is equipped with a protective cover, the middle position of the inner wall on the left side of the docking groove 6 is provided with a charging slot 5 and the charging slot 5 is electrically connected to the battery pack 2, and the vehicle on the upper and lower sides of the docking groove 6 is located. There is a miniature electric telescopic rod 4 connected horizontally inside the body 1, and the miniature electric telescopic rod 4 is electrically connected to the power supply end of the battery pack 2. A relay 3 is electrically connected between the saturation feedback modules of the battery pack 2, and the inner wall of the docking groove 6 where the charging slot 5 is located is surrounded by an annular slideway 23, and a swivel is embedded in the annular slideway 23 25 and the swivel 25 surrounds the charging slot 5, and the diagonal position of the annular slide 23 is fitted with a curved spring 24, one end of the curved spring 24 is fixed to the inner wall of the annular slide 23 and the other end is fixed to the inner wall of the annular slide 23. The side wall of the swivel 25, the upper and lower sides of the outer end surface of the swivel 25 are provided with a draw-in slot 31, the inner bottom of the draw-in slot 31 is provided with a contraction switch 32 and the contraction switch 32 is electrically connected to the miniature electric telescopic rod 4 and the battery. Between the circuits connected to the power transmission end of group 2, the docking cylinder 15 is inserted into the docking groove 6 and a sliding column 9 is horizontally arranged inside the docking cylinder 15, and a charging plug 8 is fixedly connected to the left end of the sliding column 9 and The charging plug 8 is facing the charging slot 5. The right end of the sliding post 9 is fixedly connected with a power line 19 and the power line 19 is electrically connected to the charging plug 8. At the same time, the end of the power line 19 passes through the docking cylinder 15 and is connected to the charging port on the right side. pile, the upper and lower side walls of the left end of the sliding column 9 are fixedly connected with a U-shaped card frame 26, and the telescopic end of the miniature electric telescopic rod 4 is fixed and connected with a card block 27 and the card block 27 is correspondingly stuck on the U-shaped card. In the frame 26, the upper and lower outer walls of the left end of the docking cylinder 15 are horizontally fixed with elastic telescopic rods 28, and the telescopic ends of the elastic telescopic rods 28 are inserted into the slot 31, and the docking cylinder 15 is surrounded on the outer wall near the left end. The limiting plate 20 is fixed and handed over, and the limiting plate 20 is attached to the outer wall of the vehicle body 1 where the docking groove 6 is located.

The butt joint cylinder 15 is provided with a slide rail 13 laterally at the inner upper and lower side walls near the right end, and the upper and lower sides of the right end of the slide column 9 are all connected in the slide rail 13 by a slider, and the inner side wall of the slide rail 13 is fitted The rubber pad 29 is fixedly connected to the slide rail 13 to facilitate the smooth sliding of the sliding column 9 in the docking cylinder 15. At the same time, the rubber pad 29 increases the friction force on the inner wall of the sliding rail 13, so that the sliding column 9 slides to the corresponding position under the action of external force. hold on tight.

The inner side of the right end of the docking cylinder 15 is horizontally provided with a cylindrical groove 17, and the transmission line 19 passes through the cylindrical groove 17. At the same time, the upper and lower inner walls of the cylindrical groove 17 are movable and fitted with balls 18, and the balls 18 are clamped on the transmission line 19. On the upper and lower sides, the cylindrical groove 17 relies on the collocation of the ball 18 to facilitate the sliding and pulling of the transmission line 19 in the docking cylinder 15 .

The upper and lower outer walls of the right end of the docking cylinder 15 are fixedly provided with a signal lamp 16 and the signal lamp 16 is equipped with a battery. Squeeze on the light control switch 14, when the sliding column 9 is inserted into the charging slot 5 with the charging plug 8 and slides back into the docking barrel 15 after charging, the sliding column 9 is squeezed to the light control switch 14, so that the signal light 16 Luminous, convenient to remind the charging personnel to pull out the docking tube 15.

Pulleys 21 are fixedly arranged on the upper and lower edges of the limiting disc 20 , and the pulleys 21 are convenient for the limiting disc 20 to rotate when it fits the outer wall of the vehicle body 1 .

The upper and lower sides of the position where the limit plate 20 and the docking cylinder 15 are handed over are provided with a through hole 22, and the inside of the through hole 22 is connected with a rotating rod 11 through an inclined shaft, and the upper and lower inner walls of the docking groove 6 are provided with There is a buckle groove 7 and the left end of the rotating rod 11 is bent and folded in the buckle groove 7, and a return spring 30 is vertically fixed between the right end of the rotating rod 11 and the outer wall of the docking cylinder 15 simultaneously, when the right end of the rotating rod 11 When tilted, the bent head of the left end of the rotating rod 11 is convenient to enter the docking groove 6, and is aligned with the buckle groove 7 due to the effect of the limit plate 20, and then relies on the resilience effect of the back-moving spring 30, and the left end of the rotating rod 11 is bent. The folded head is buckled into the buckle groove 7, so that the docking cylinder 15 is firmly buckled in the docking groove 6, and the docking cylinder 15 is prevented from being directly separated from the vehicle body 1 after the charging plug 8 is separated from the charging slot 5.

The upper and lower outer walls of the middle section of the docking cylinder 15 are connected with a pressure handle 10 through the rotation of the shaft frame, and the right end of the pressure handle 10 protrudes outwards, and the left end of the pressure handle 10 is connected to the right end of the rotary rod 11 through the movable ring 12. The pressing handle 10 is convenient for the user to directly press the docking cylinder 15 with his hand, thereby tilting the right end of the rotating rod 11 for convenient docking.

Working principle: The docking tube 15 of the invention is removed from the charging pile and inserted into the docking slot 6 opened on the car body 1, and is caught in the miniature electric telescopic rod 4 in the docking slot 6. During the insertion process, the limit plate The two through-holes 22 that are docked on 20 are in the transverse position, and when the limit plate 20 is attached to the outer wall of the vehicle body 1, the left side of the paired U-shaped card frame 26 on the side wall of the sliding column 9 inside the docking cylinder 15 The vertical surface where the frame is located is just on the left side of the vertical surface where the block 27 connected to the telescopic end of the miniature electric telescopic rod 4 is located. The vertical position is enough, and then the U-shaped clamping frame 26 is just rotated to the position of biting the clamping block 27 thereupon, so that the miniature electric telescopic rod 4 pushes and pulls the sliding column 9, and the elastic telescopic rod 28 connected to the left end of the docking cylinder 15 is When it collides with the inner wall of the docking groove 6, it shrinks due to extrusion, and rotates with the rotation of the docking cylinder 15 until it is aligned with the slot 31. The elastic telescopic rod 28 is elastically reset and inserted into the slot 31, so that the docking cylinder 15 is stable. , and the elastic telescopic rod 28 collides with the shrink switch 32 inside the card slot 31, triggering the contraction of the miniature electric telescopic rod 4, and the miniature electric telescopic rod 4 pulls the sliding column 9 to dock through the cooperation of the locking block 27 and the U-shaped card frame 26. The port on the left side of the cylinder 15 slides outside until the charging plug 8 at the end of the sliding post 9 is inserted into the charging slot 5 to realize charging, and when the docking cylinder 15 is inserted into the docking groove 6, press the pressure handle 10 , so that when the right end of the rotating rod 11 is tilted up, it is convenient for the bending head at the left end of the rotating rod 11 to enter the docking groove 6, and due to the function of the limit plate 20 and the rotation of the docking cylinder 15, the bending head at the left end of the rotating rod 11 will eventually Align the buckle groove 7 in the docking groove 6, and then rely on the resilience of the return spring 30, the left end of the rotating rod 11 is buckled into the buckle groove 7, so that the docking cylinder 15 is firmly buckled in the docking groove 6, then After the battery pack 2 is fully charged, a saturation feedback signal is generated, and the electrical signal jump is generated through the relay 3, so that the miniature electric telescopic rod 4 is extended, so that the charging plug 8 and the The spool 9 is pushed back into the docking barrel 15 to realize complete disconnection after the charging is completed, avoiding further charging to damage the circuit, and the charging plug 8 has also been stored and protected. Avoiding the docking cylinder 15 from falling out from the car body 1, when it is necessary to take off the docking cylinder 15, just rotate the docking cylinder 15 ninety degrees in any direction, and then the block 27 on the miniature electric telescopic rod 4 will be disengaged The U-shaped card frame 26 on the sliding column 9, during this process, the elastic telescopic rod 28 inserted in the card slot 31 will drive the card slot 31 to rotate through the swivel ring 25, so as to avoid the rotation of the docking tube 15 being hindered, and then pull out the docking tube 15 is enough.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (1)

1. A pure electric vehicle charging system, comprising a vehicle body (1), a battery pack (2) and a docking barrel (15), characterized in that a docking groove (6) is opened on the side wall of the vehicle body (1) ) and the docking slot (6) is equipped with a protective cover, a charging slot (5) is opened in the middle of the left inner wall of the docking slot (6), and the charging slot (5) is electrically connected to the battery pack (2), so The interior of the car body (1) on the upper and lower sides of the above-mentioned docking groove (6) is horizontally connected with a miniature electric telescopic rod (4) and the miniature electric telescopic rod (4) is electrically connected to the power supply terminal of the battery pack (2), and the micro The telescopic end of the electric telescopic rod (4) is inside the docking slot (6), and a relay (3) is electrically connected between the miniature electric telescopic rod (4) and the saturation feedback module of the battery pack (2), and the charging plug The inner wall of the docking groove (6) where the groove (5) is located is surrounded by an annular slideway (23), and a swivel (25) is embedded in the annular slideway (23), and the swivel ring (25) surrounds the The charging slot (5), the diagonal position of the annular slideway (23) is fitted with a curved spring (24), one end of the curved spring (24) is fixed to the inner wall of the annular slideway (23) and the other One end is fixed to the side wall of the swivel (25), and the outer end surface of the swivel (25) is provided with a card slot (31) on the upper and lower sides, and the inner bottom of the card slot (31) is provided with a contraction switch (32) and The contraction switch (32) is electrically connected between the circuit connected to the power transmission end of the miniature electric telescopic rod (4) and the battery pack (2), the docking cylinder (15) is inserted in the docking groove (6) and the docking cylinder (15 ) is horizontally provided with a sliding post (9), the left end of the sliding post (9) is fixed with a charging plug (8) and the charging plug (8) is facing the charging slot (5), the sliding post The right end of (9) is fixedly connected with the power line (19) and the power line (19) is electrically connected to the charging plug (8). The upper and lower side walls of the left end of the sliding column (9) are fixed with a U-shaped card frame (26), and the telescopic end of the miniature electric telescopic rod (4) is fixed with a card block (27) and the card block (27 ) corresponding to the card in the U-shaped card frame (26), the upper and lower outer walls of the left end of the docking cylinder (15) are horizontally fixed with elastic telescopic rods (28) and the telescopic ends of the elastic telescopic rods (28) are inserted into the card Inside the groove (31), the docking cylinder (15) surrounds and fixes the handover limit plate (20) on the outer wall near the left end, and the limit plate (20) is attached to the car body (1) where the docking groove (6) is located. On the outer wall, the butt joint cylinder (15) is provided with slide rails (13) horizontally on the inner upper and lower side walls near the right end, and the upper and lower sides of the right end of the slide column (9) are connected to the slide rail (13) through sliders. At the same time, a rubber pad (29) is pasted and fixed on the inner side wall of the slide rail (13), and a cylindrical groove (17) is horizontally opened on the inner side of the right end of the docking cylinder (15), and the power line (19) passes through the circle Cylinder groove (17), at the same time, the upper and lower inner walls of the cylinder groove (17) are movable and fitted with balls (18) and the balls (18) are clamped on the upper and lower sides of the transmission line (19), and the right end of the docking cylinder (15) Signal lamps (16) are fixedly installed on the outer walls of the upper and lower sides, and the signal lamps (16) are equipped with batteries. The sliding column (9) is squeezed on the light control switch (14), and pulleys (21) are fixed on the upper and lower edges of the limit plate (20), and the limit plate (20) and the docking cylinder ( 15) There are openings (22) on the upper and lower sides of the handover position, and there are rotating rods (11) in the openings (22) through the tilting of the rotating shaft, and the upper and lower inner walls of the docking groove (6) are provided with There is a buckle groove (7) and the left end of the rotating rod (11) is bent and folded in the buckle groove (7), and at the same time, there is a reset vertically fixed between the right end of the rotating rod (11) and the outer wall of the docking cylinder (15). The spring (30), the upper and lower outer walls of the middle section of the docking cylinder (15) is connected with the pressure handle (10) through the shaft frame rotation, and the right end of the pressure handle (10) is tilted outward, and the left end of the pressure handle (10) Head is passed the right end of rotating rod (11) by movable ring (12) activity.