CN219644428U

CN219644428U - Electric vehicle converter

Info

Publication number: CN219644428U
Application number: CN202320161230.0U
Authority: CN
Inventors: 卜庆雷; 李冬侠
Original assignee: Fengxian Yunming Electronic Technology Co ltd
Current assignee: Fengxian Yunming Electronic Technology Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-09-05
Anticipated expiration: 2033-02-09

Abstract

The utility model belongs to the technical field of electric vehicle converters, and particularly relates to an electric vehicle converter which comprises a shell, wherein a shell cover is arranged at the opening end of the shell, and a circuit board is fixed at one end of the shell cover facing the shell. According to the utility model, the gap between the shell and the shell cover is not easy to be permeated by water vapor through the baffle frame, the convex edge and the sealing gasket, so that the dampproof effect is improved, and the external accumulated water is not easy to enter the position of the circuit board through the second baffle plate by arranging the first baffle plate, the second baffle plate, the vent hole, the first waterproof ventilation net and the second waterproof ventilation net, so that the circuit board and electronic elements on the circuit board are prevented from being corroded by water, and the cost of the electric vehicle converter is lower by arranging the first rotating shaft, the air suction fan blade, the motor, the second rotating shaft, the air supply fan blade, the transmission shaft, the first bevel gear and the second bevel gear, so that the air suction fan blade and the air supply fan blade can be driven completely by only one motor, and the fan blade rotates to drive the air circulation to have higher radiating efficiency.

Description

Electric vehicle converter

Technical Field

The utility model relates to the technical field of electric vehicle converters, in particular to an electric vehicle converter.

Background

The electric vehicle converter is used for converting the voltage of the storage battery into the working voltage of an electric appliance (such as a loudspeaker, an instrument, a car lamp and the like) on the electric vehicle, and generally comprises a main board, a control chip, an inductance coil, a diode, a triode, a capacitor and a MOS tube.

The utility model patent of China with publication number of CN211239676U discloses a special DC-DC12V25A converter with a 12V constant output function for an electric vehicle, the converter comprises a shell with one end open, a shell cover is arranged at the opening of the shell, a circuit board is fixedly connected to the inner side wall of the shell cover, a plurality of connecting wires are connected to the circuit board, the other end of each connecting wire penetrates through the shell cover and extends outwards, a motor is arranged on the inner side wall, far away from the shell cover, of the shell, the output end of the motor is connected with a rotating shaft through a coupler, a first fan blade and a main bevel gear are arranged on the shaft wall of the rotating shaft, an air suction pipe is communicated to the side wall, close to the shell cover, of the shell, and an air suction fan is arranged in the pipe orifice of the air suction pipe. According to the utility model, the heat dissipation of the electric vehicle converter is realized, and meanwhile, external water or water vapor is prevented from entering the shell, so that the circuit board is damaged due to damp, and the electric vehicle converter is convenient to mount and dismount, thereby being beneficial to the later maintenance of the circuit board.

The shell and the shell cover of the electric vehicle swivel device are directly attached, water vapor is easy to permeate from gaps between the shell and the shell cover when the electric vehicle swivel device works, so that the internal structure is affected with damp, meanwhile, the first fan blade of the electric vehicle converter is limited in wind force due to the fact that the first fan blade is close to one side wall of the shell, and in addition, two groups of fan radiating structures are arranged in the shell due to the fact that the motor, the first fan blade and the suction fan are arranged at the same time, the structure is relatively bulky, the cost of the electric vehicle converter is also improved, and therefore the electric vehicle converter is provided for solving the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an electric vehicle converter, which solves the problems that the water vapor cannot be prevented from penetrating from a gap between a shell and a shell cover and two groups of heat dissipation structures are arranged in the prior art, so that the structure is heavy and the heat dissipation efficiency is low.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an electric motor car converter, includes the shell, the open end of shell is provided with the cap, the cap is fixed with the circuit board towards the one end of shell, and installs converter electronic component and circuit on the circuit board, the inboard of shell open end is fixed with keeps off the frame, the one end of cap is fixed with sealed the pad, sealed pad closely laminates with keeping off the frame, the outside of shell open end is provided with protruding edge, the inboard at protruding edge is established to the cap cover, the one end that the shell was kept away from to the shell inside is fixed with first baffle and second baffle in proper order, the vent opening has been seted up in the well lower part of first baffle, the top that shell kept away from cap one end and the top of second baffle all have been seted up the opening, and be provided with first waterproof ventilative net and second waterproof ventilative net in the opening respectively, be connected with two first pivot of mutual symmetry between first baffle and the second baffle, all be fixed with the flabellum in the first pivot, the upper end and the drive end of one of first pivot links to each other with the motor, the motor is fixed on one of two pivot and one side of first pivot, two pivot and two bevel gears are connected with each other through two pivot, two bevel gears are connected with two bevel gears through the first pivot, two bevel gears are connected with two bevel gears each other.

Further, the both ends of cap all are fixed with the installation piece, the relative one end of installation piece is fixed with the sleeve, it has the slide bar to slip between the telescopic both ends, and its inside slip cap is equipped with the dog, the dog is fixed on the slide bar, fixedly connected with spring between dog and the telescopic one side inner wall, the outside at the slide bar is established to the spring housing, the both sides of shell open end all are fixed with the L template, offer the jack of pegging graft with the slide bar cooperation on the L template, the one end that the L template was kept away from to the slide bar is fixed with draws the piece.

Further, the lower ends of the two first rotating shafts are respectively provided with a first driving wheel, the first driving wheels are in driving connection through a first driving belt, the lower ends of the two second rotating shafts are respectively provided with a second driving wheel, and the second driving wheels are in driving connection through a second driving belt.

Further, the top of the shell is provided with radiating fins.

Further, the lower surface of shell is provided with L type stabilizer blade, set up the mounting hole on the L type stabilizer blade.

Further, the bottom of the vent is fixed with the swash plate, be provided with the drying package between first baffle and the second baffle, the drying package is placed on the interior diapire of shell.

(III) beneficial effects

Compared with the prior art, the utility model provides an electric vehicle converter, which has the following beneficial effects:

according to the utility model, the gap between the shell and the shell cover is not easy to be permeated by water vapor through the baffle frame, the convex edge and the sealing gasket, so that the dampproof effect is improved, and the external accumulated water is not easy to enter the position of the circuit board through the second baffle plate through the first baffle plate, so that the circuit board and the electronic components on the circuit board are prevented from being corroded by water.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a cross-sectional view of yet another internal structure of the present utility model;

FIG. 5 is a schematic side view of the present utility model;

FIG. 6 is a schematic view of the B-B direction structure of the present utility model;

FIG. 7 is a schematic view of the structure in the C-C direction of the present utility model.

In the figure: 1. a housing; 2. a cover; 3. a blocking frame; 4. a sealing gasket; 5. a convex edge; 6. a mounting block; 7. a sleeve; 8. a slide bar; 9. a stop block; 10. a spring; 11. an L-shaped plate; 12. pulling blocks; 13. a first baffle; 14. a second baffle; 15. a vent; 16. a first waterproof breathable net; 17. a second waterproof breathable net; 18. a first rotating shaft; 19. air extraction fan blades; 20. a first belt; 21. a motor; 22. a second rotating shaft; 23. air supply fan blades; 24. a second belt; 25. a transmission shaft; 26. a first bevel gear; 27. a second bevel gear; 28. a heat radiation fin; 29. an L-shaped support leg; 30. a sloping plate; 31. and (5) drying the bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 7, an electric vehicle converter according to an embodiment of the present utility model includes a housing 1, an open end of the housing 1 is provided with a housing cover 2, a circuit board is fixed at an end of the housing 2 facing the housing 1, and a converter electronic component and a circuit are mounted on the circuit board, a baffle frame 3 is fixed at an inner side of the open end of the housing 1, a sealing gasket 4 is fixed at an end of the housing 2, the sealing gasket 4 is tightly attached to the baffle frame 3, a flange 5 is provided at an outer side of the open end of the housing 1, the housing cover 2 is sleeved at an inner side of the flange 5, a first baffle 13 and a second baffle 14 are sequentially fixed at an end of the housing 1 far from the housing 2, a vent 15 is provided at a middle lower portion of the first baffle 13, openings are provided above an end of the housing 1 far from the housing 2 and above the second baffle 14, and a first waterproof ventilation net 16 and a second waterproof ventilation net 17 are respectively provided in the openings, two mutually symmetrical first rotating shafts 18 are rotationally connected between the first baffle 13 and the second baffle 14 through first connecting plates, air extraction fan blades 19 are fixedly arranged on the first rotating shafts 18, the upper end of one first rotating shaft 18 is connected with the driving end of a motor 21, the motor 21 is fixedly arranged on one first connecting plate, two mutually symmetrical second rotating shafts 22 are rotationally connected between the first baffle 13 and one side inner wall of the shell 1 through second connecting plates, air supply fan blades 23 are fixedly arranged on the second rotating shafts 22, a transmission shaft 25 penetrates through the first baffle 13, the transmission shaft 25 is rotationally connected with the first baffle 13 through bearings, first bevel gears 26 are fixedly arranged at two ends of the transmission shaft 25, one sides of the two first bevel gears 26 are respectively connected with a second bevel gear 27 in a meshed mode, and the two second bevel gears 27 are respectively fixedly connected with the adjacent first rotating shafts 18 and the second rotating shafts 22; in a summary of the present utility model it is known that, when the electric vehicle swivel is used, the shell cover 2 is inserted into the protruding edge 5 at one end of the shell 1, so that the sealing gasket 4 is attached to the baffle frame 3, at the moment, a gap between the shell 1 and the shell cover 2 is sealed by the sealing gasket 4, water is not easy to infiltrate, meanwhile, the protruding edge 5 is arranged, so that running water can not directly fall between the gap between the shell 1 and the shell 2, the probability of infiltration of water vapor and water drops from the gap between the two is further reduced, due to the arrangement of the first baffle 13 and the second baffle 14, external air needs to pass through the first waterproof breathable net 16 arranged on the shell 1, the vent 15 arranged on the first baffle 13 and the second waterproof breathable net 17 with color and luster on the second baffle 14, the first waterproof breathable net 16 and the second waterproof breathable net 17 can doubly isolate water vapor, meanwhile, due to the fact that the vent 15 is arranged at the middle lower part of the first baffle 13, a small amount of water vapor passing through the first waterproof and breathable net 16 is not easy to flow between the first baffle 13 and the second baffle 14 from the air vent 15 when being converged into water drops between the first baffle 13 and one side inner wall of the shell 1, so that excessive water contacted by the first waterproof and breathable net 16 in a short time or no water flowing into contact with the second waterproof and breathable net 17 is caused under the condition that the first waterproof and breathable net 16 is damaged, the water vapor entering is further controlled, the first rotating shaft 18 is driven to rotate by the motor 21, the air in the inner space of the shell 1 where the circuit board is positioned is pumped out by the air pumping fan blade 19, the second rotating shaft 22, the air pumping fan blade 23, the transmission shaft 25, the first bevel gear 26 and the second bevel gear 27 are arranged, when the first rotating shaft 18 rotates, the second rotating shaft 22 can be driven to rotate therewith, the air pumping fan blade 23 is driven to rotate, and the air pumping fan blade 23 is driven to continue to circulate outwards, only one motor 21 is needed to realize the work of the air suction fan blade 19 and the air supply fan blade 23, so that the operation is more efficient.

As shown in fig. 3, in some embodiments, the two ends of the casing cover 2 are both fixed with mounting blocks 6, one end of the mounting block 6 opposite to the mounting block is fixed with a sleeve 7, a sliding rod 8 is slidably penetrated between the two ends of the sleeve 7, a stop block 9 is sleeved in the sleeve 7, the stop block 9 is fixed on the sliding rod 8, a spring 10 is fixedly connected between the stop block 9 and one side inner wall of the sleeve 7, the spring 10 is sleeved outside the sliding rod 8, two sides of the opening end of the casing 1 are both fixed with L-shaped plates 11, the L-shaped plates 11 are provided with jacks matched and inserted with the sliding rod 8, and one end of the sliding rod 8 far away from the L-shaped plates 11 is fixed with a pull block 12; because fixed dog 9 on slide bar 8 passes through spring 10 and is fixed with the one side inner wall of sleeve 7, consequently spring 10 can pull slide bar 8, makes its one end in the jack of seting up on L template 11 of joint all the time under the effect of not receiving the external force for cap 2 is convenient for dismantle from shell 1.

As shown in fig. 2 and 7, in some embodiments, the lower ends of the two first rotating shafts 18 are respectively provided with a first driving wheel, the first driving wheels are in driving connection with each other through a first driving belt 20, the lower ends of the two second rotating shafts 22 are respectively provided with a second driving wheel, and the second driving wheels are in driving connection with each other through a second driving belt 24; by the arrangement of the first driving wheel and the first driving belt 20, the two first rotating shafts 18 rotate synchronously, and by the arrangement of the second driving wheel and the second driving belt 24, the two second rotating shafts 22 rotate synchronously, so that the two air suction fan blades 19 and the two air supply fan blades 23 can both rotate synchronously.

As shown in fig. 1, in some embodiments, the top of the housing 1 is provided with heat dissipating fins 28; by providing the heat radiating fins 28, the heat radiating performance of the housing 1 is improved.

As shown in fig. 1 and 5, in some embodiments, the lower surface of the housing 1 is provided with an L-shaped leg 29, and the L-shaped leg 29 is provided with a mounting hole; by providing the L-shaped support legs 29 and the mounting holes, the electric vehicle converter is conveniently fixed on the structure of the electric vehicle.

As shown in fig. 4, in some embodiments, a sloping plate 30 is fixed at the bottom of the vent 15, and a drying bag 31 is disposed between the first baffle 13 and the second baffle 14, and the drying bag 31 is placed on the inner bottom wall of the housing 1; through setting up swash plate 30, can play the effect of guiding air for the air that the air extraction flabellum 19 was blown is more easily flowed to the air feed flabellum 23, and the setting of drying package 31 for absorb the steam that enters into between first baffle 13 and the second baffle 14, further improves dampproofing performance.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An electric vehicle converter, comprising a housing (1), characterized in that: the utility model discloses a transformer electronic device, including shell (1), shell cover (2), circuit board, switch electronic component, circuit board, baffle frame (3), sealed pad (4) and baffle frame (3) are fixed to the open end of shell (1), the open end of shell (2) is provided with cap (2), the outside of shell (1) open end is provided with protruding edge (5), the inboard at protruding edge (5) is established to cap (2) cover, the inside one end that keeps away from cap (2) of shell (1) is fixed with first baffle (13) and second baffle (14) in proper order, the middle lower part of the first baffle (13) is provided with an air vent (15), the upper part of one end of the shell (1) far away from the shell cover (2) and the upper part of the second baffle (14) are provided with openings, a first waterproof ventilation net (16) and a second waterproof ventilation net (17) are respectively arranged in the openings, two mutually symmetrical first rotating shafts (18) are rotationally connected between the first baffle (13) and the second baffle (14) through a first connecting plate, air extraction fan blades (19) are respectively fixed on the first rotating shafts (18), the upper end of one first rotating shaft (18) is connected with the driving end of a motor (21), the motor (21) is fixed on one of the first connecting plates, two second rotating shafts (22) which are symmetrical to each other are connected between the first baffle (13) and one side inner wall of the shell (1) in a rotating mode through a second connecting plate, air supply fan blades (23) are fixed on the second rotating shafts (22), a transmission shaft (25) penetrates through the first baffle (13), the transmission shaft (25) is connected with the first baffle (13) in a rotating mode through a bearing, first bevel gears (26) are fixed at two ends of the transmission shaft (25), one sides of the two first bevel gears (26) are connected with second bevel gears (27) in a meshed mode, and the two second bevel gears (27) are fixedly connected with the adjacent first rotating shafts (18) and the second rotating shafts (22) respectively.

2. An electric vehicle converter as claimed in claim 1, wherein: the utility model discloses a shell cover, including shell cover (2), sleeve (7), slide bar (8) are fixed with at the both ends of cap (2), the relative one end of installation piece (6) is fixed with sleeve (7), slip is run through between the both ends of sleeve (7) has slide bar (8), and its inside slip cover is equipped with dog (9), dog (9) are fixed on slide bar (8), fixedly connected with spring (10) between one side inner wall of dog (9) and sleeve (7), the outside at slide bar (8) is established to spring (10) cover, the both sides of shell (1) open end all are fixed with L template (11), offer the jack of pegging graft with slide bar (8) cooperation on L template (11), the one end that L template (11) were kept away from to slide bar (8) is fixed with and draws piece (12).

3. An electric vehicle converter as claimed in claim 1, wherein: the lower ends of the two first rotating shafts (18) are respectively provided with a first driving wheel, the first driving wheels are in driving connection through a first driving belt (20), the lower ends of the two second rotating shafts (22) are respectively provided with a second driving wheel, and the second driving wheels are in driving connection through a second driving belt (24).

4. An electric vehicle converter as claimed in claim 1, wherein: the top of the shell (1) is provided with radiating fins (28).

5. An electric vehicle converter as claimed in claim 1, wherein: the lower surface of shell (1) is provided with L type stabilizer blade (29), set up the mounting hole on L type stabilizer blade (29).

6. An electric vehicle converter as claimed in claim 1, wherein: the bottom of the vent (15) is fixedly provided with an inclined plate (30), a drying bag (31) is arranged between the first baffle (13) and the second baffle (14), and the drying bag (31) is placed on the inner bottom wall of the shell (1).