CN214591101U

CN214591101U - DCDC converter

Info

Publication number: CN214591101U
Application number: CN202120310253.4U
Authority: CN
Inventors: 高亚力; 刘志强
Original assignee: Anhui Tuogao Electronic Technology Co ltd
Current assignee: Anhui Tuogao Electronic Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-02
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a DCDC converter relates to DCDC converter field, and its technical scheme main points are: a plurality of louvre has been seted up to the box bottom, the box bottom of terminal box apron dorsad is equipped with the rectangular heat exchanger that looses that covers the box bottom, square cover is equipped with the rectangular hole along heat exchanger length direction dorsad box bottom, sliding connection has the sliding block in the rectangular hole, a plurality of rotating vane, each are worn to be equipped with by the sliding block through the axis of rotation towards the lateral wall of louvre rotating blade circumference sets up in the axis of rotation, the lateral wall that the sliding block was dispelled the heat dorsad is equipped with drive axis of rotation pivoted small-size motor, when using the DCDC converter, can cool off the DCDC converter fast, save time raises the efficiency.

Description

DCDC converter

Technical Field

The utility model relates to a DCDC converter technical field, more specifically say, it relates to a DCDC converter.

Background

Chinese patent publication No. CN209627237U discloses a DCDC power converter, which has the technical scheme: the improved cabinet is characterized by comprising a bottom cabinet body, wherein a cabinet upper cover plate, a safety box cover plate and a junction box cover plate are fixed on the upper surface of the cabinet body through bolts, a high-voltage input interface and a high-voltage output interface are connected to one side wall of the cabinet body, a heat dissipation cavity is formed in the bottom of the cabinet body, a water cooling coil is arranged in the heat dissipation cavity, and a water inlet pipe and a water outlet pipe are connected to the heat dissipation cavity.

However, in the above-mentioned scheme, when the DCDC power converter is used, an operator needs to introduce cooling water into the water inlet pipe, which wastes time and reduces efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a DCDC converter, when using DCDC converter, can cool off DCDC converter fast, save time raises the efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: a DCDC converter comprises a box body, wherein a case upper cover plate, a safety box cover plate and a junction box cover plate are fixed on the upper surface of the box body through bolts, a high-voltage input interface and a high-voltage output interface are connected on one side wall of the box body, a second thin film capacitor, a first thin film capacitor, a filter inductor and a freewheeling diode are arranged in the box body, a plurality of heat dissipation holes are formed in the bottom end of the box body, a rectangular heat dissipation cover covering the bottom end of the box body is arranged at the bottom end of the box body, which is opposite to the junction box cover plate, a long hole along the length direction of the heat dissipation cover is formed in the bottom end of the square cover, a sliding block is connected in the long hole in a sliding mode, a plurality of rotating blades are arranged on the side wall, facing the heat dissipation holes, of the sliding block in a penetrating mode through the rotating shaft, the rotating blades are circumferentially arranged on the rotating shaft, and a small motor driving the rotating shaft to rotate is arranged on the side wall, which is opposite to the heat dissipation holes, the small motor is fixedly arranged on the sliding block, an extending shaft of the small motor is fixedly connected to one end of the rotating shaft, and a driving piece for driving the sliding block to move in the long hole is arranged on the sliding block.

Through adopting above-mentioned technical scheme, when using the DCDC converter, start the small-size motor, the small-size motor drives each rotating vane high-speed rotatory, can cool off the DCDC converter fast, saves time, raises the efficiency, in addition, through the driving piece, lets in each louvre with cold wind fast in, raises the cooling efficiency.

Preferably, the driving piece includes the screw rod, the screw rod screw thread is worn to establish in the sliding block, screw rod one end is rotated and is connected on the heat dissipation cover inner wall, and the other end stretches out the outer wall of heat dissipation cover, the screw rod is equipped with just reversing motor in the one end that stretches out the heat dissipation cover outer wall, just reversing motor passes through the mount setting and covers at the heat dissipation.

Through adopting above-mentioned technical scheme, start positive reverse motor, the sliding block removes along the length direction of screw to drive each rotating vane and remove in rectangular hole, let in each louvre with cold wind fast, improve cooling efficiency.

Preferably, the outer wall of the heat dissipation cover is coated with heat dissipation silicone grease.

By adopting the technical scheme, the heat dissipation silicone grease is beneficial to heat dissipation of the heat dissipation cover.

Preferably, the outer wall of the heat dissipation cover, which is far away from the forward and reverse rotating motor, is provided with a plurality of heat dissipation fins.

By adopting the technical scheme, the radiating fins are directly contacted with the radiating silicone grease, so that the radiating cover is favorable for fast radiating.

Preferably, be equipped with the apron that seals or open the rectangular hole through the rotation axis on the radiator, establish the torsional spring of apron laminating on the radiator end wall on the rotation axis, work as when the sliding block is the biggest apart from the torsional spring interval, the one end laminating of apron dorsad torsional spring is in sliding block one side.

Through adopting above-mentioned technical scheme, when not using the DCDC converter, on removing the slider to the position apart from the torsional spring maximum distance, the apron is laminated in slider one side dorsad torsional spring's one end, reduces during outside dust and impurity get into heat exchanger and louvre from rectangular hole, protection DCDC converter.

Preferably, a pull ring is arranged on the cover plate.

By adopting the technical scheme, the operation of a user is facilitated.

As described above, first, when the DCDC converter is used, the small motor is started, and the small motor drives each of the rotary blades to rotate at a high speed, so that the DCDC converter can be cooled quickly, time can be saved, and efficiency can be improved.

Second, in addition, through the driving piece, let in each louvre with cold wind fast, improve cooling efficiency.

Thirdly, when the DCDC converter is not used, less external dust and impurities enter the heat dissipation cover and the heat dissipation holes from the strip holes, and the DCDC converter is protected.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment 1 and embodiment 2;

FIG. 2 is a schematic structural diagram of the present embodiment 1 for embodying the cover plate and the slider;

fig. 3 is a schematic structural diagram for embodying the torsion spring in the embodiment 1.

In the figure: 1. a box body; 2. heat dissipation holes; 3. a heat dissipation cover; 4. a strip hole; 5. a slider; 6. a rotating blade; 7. a rotating shaft; 8. a small-sized motor; 9. a screw; 10. a positive and negative rotation motor; 11. heat dissipation silicone grease; 12. a heat sink; 13. a cover plate; 14. a torsion spring; 15. a pull ring; 16. an upper cover plate of the case; 17. a fuse box cover plate; 18. a junction box cover plate; 19. a fixing frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1, a DCDC converter, referring to fig. 1, includes a box body 1, an upper surface of the box body 1 is fixed with an upper cover plate 16 of a case, a cover plate 17 of a fuse box and a cover plate 18 of a junction box by bolts, a side wall of the box body 1 is connected with a high voltage input interface and a high voltage output interface, a second thin film capacitor, a first thin film capacitor, a filter inductor and a freewheeling diode are arranged inside the box body 1, and the above structure is the same as the structure disclosed in chinese patent CN 209627237U.

Referring to FIGS. 1-3, a plurality of heat dissipating holes 2 are formed in the bottom end of a case 1, a rectangular heat dissipating cover 3 covering the bottom end of the case 1 is disposed at the bottom end of the case 1 facing away from a cover plate 18 of a junction box, a long hole 4 along the length direction of the heat dissipating cover 3 is disposed at the bottom end of the square cover facing away from the case 1, a sliding block 5 is slidably connected in the long hole 4, a plurality of rotating blades 6 are rotatably inserted into the sliding block 5 through a rotating shaft 7 toward the side wall of the heat dissipating holes 2, each rotating blade 6 is circumferentially disposed on the rotating shaft 7, a small motor 8 for driving the rotating shaft 7 to rotate is disposed at the side wall of the sliding block 5 facing away from the heat dissipating holes 2, the small motor 8 is fixedly disposed on the sliding block 5, an extending shaft of the small motor 8 is fixedly connected to one end of the rotating shaft 7, when the DCDC converter is used, the small motor 8 is started, the small motor 8 drives each rotating blade 6 to rotate at a high speed, so as to rapidly cool the DCDC converter, time is saved, and efficiency is improved.

As shown in fig. 1-3, in order to rapidly introduce cold air into each heat dissipation hole 2, the cooling efficiency is improved, a driving part for driving the sliding block 5 to move in the elongated hole 4 is arranged on the sliding block 5, the driving part comprises a screw rod 9, the screw rod 9 is threaded to penetrate through the sliding block 5, one end of the screw rod 9 is rotatably connected to the inner wall of the heat dissipation cover 3, the other end of the screw rod extends out of the outer wall of the heat dissipation cover 3, the screw rod 9 is provided with a forward and reverse motor 10 at one end extending out of the outer wall of the heat dissipation cover 3, the forward and reverse motor 10 is arranged on the heat dissipation cover 3 through a fixing frame 19, the forward and reverse motor 10 is started, the sliding block 5 moves along the length direction of the screw rod 9, so as to drive each rotating blade 6 to move in the elongated hole 4, the cold air is rapidly introduced into each heat dissipation hole 2, and the cooling efficiency is improved.

Referring to fig. 1-3, in order to increase the heat dissipation speed of the heat dissipation cover 3 and the box body 1, the outer wall of the heat dissipation cover 3 is coated with heat dissipation silicone grease 11, and the outer wall of the heat dissipation cover 3 away from the forward and reverse rotation motor 10 is provided with a plurality of heat dissipation fins 12.

As shown in fig. 1-3, when the DCDC converter is not used, in order to reduce the entry of external dust and impurities into the heat dissipation cover 3 and the heat dissipation hole 2 from the elongated hole 4, a cover plate 13 for closing or opening the elongated hole 4 is disposed on the heat dissipation cover 3 through a rotation shaft, a pull ring 15 is disposed on the cover plate 13, a torsion spring 14 attached to the end wall of the heat dissipation cover 3 is disposed on the rotation shaft, when the distance between the sliding block 5 and the torsion spring 14 is maximum, one end of the cover plate 13 facing away from the torsion spring 14 is attached to one side of the sliding block 5, the sliding block 5 is moved to a position away from the torsion spring 14 by the maximum distance, and one end of the cover plate 13 facing away from the torsion spring 14 is attached to one side of the sliding block 5, thereby reducing the entry of dust into the case 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A DCDC converter comprises a box body (1), wherein a case upper cover plate (16), a fuse box cover plate (17) and a junction box cover plate (18) are fixed on the upper surface of the box body (1) through bolts, a high-voltage input interface and a high-voltage output interface are connected to one side wall of the box body (1), and a second thin-film capacitor, a first thin-film capacitor, a filter inductor and a freewheeling diode are arranged inside the box body (1);

the novel solar battery box is characterized in that a plurality of heat dissipation holes (2) are formed in the bottom end of the box body (1), a rectangular heat dissipation cover (3) covering the bottom end of the box body (1) is arranged at the bottom end of the box body (1) back to a junction box cover plate (18), a long hole (4) along the length direction of the heat dissipation cover (3) is formed in the bottom end of the square cover back to the box body (1), a sliding block (5) is connected in the long hole (4) in a sliding mode, a plurality of rotating blades (6) are arranged on the side wall, facing the heat dissipation holes (2), of the sliding block (5) in a penetrating mode through a rotating shaft (7) in a rotating mode, the rotating blades (6) are circumferentially arranged on the rotating shaft (7), a small motor (8) driving the rotating shaft (7) to rotate is arranged on the side wall, facing away from the heat dissipation holes (2), of the sliding block (5), the small motor (8) is fixedly arranged on the sliding block (5), and an extending shaft of the small motor (8) is fixedly connected to one end of the rotating shaft (7), and a driving piece for driving the sliding block (5) to move in the strip hole (4) is arranged on the sliding block (5).

2. The DCDC converter according to claim 1, wherein: the driving piece includes screw rod (9), screw rod (9) screw thread is worn to establish in sliding block (5), screw rod (9) one end is rotated and is connected on heat dissipation cover (3) inner wall, and the other end stretches out the outer wall of heat dissipation cover (3), screw rod (9) are equipped with just reversing motor (10) in the one end of stretching out heat dissipation cover (3) outer wall, just reversing motor (10) set up on heat dissipation cover (3) through mount (19).

3. The DCDC converter according to claim 1, wherein: and the outer wall of the heat dissipation cover (3) is coated with heat dissipation silicone grease (11).

4. The DCDC converter according to claim 1, wherein: and a plurality of radiating fins (12) are arranged on the outer wall of the radiating cover (3) far away from the forward and reverse rotating motor (10).

5. The DCDC converter according to claim 1, wherein: be equipped with apron (13) that seals or open rectangular hole (4) through the rotation axis on heat dissipation cover (3), establish torsion spring (14) of apron (13) laminating on heat dissipation cover (3) end wall on the rotation axis, work as when sliding block (5) are apart from torsion spring (14) interval the biggest, the one end laminating of torsion spring (14) is in sliding block (5) one side dorsad in apron (13).

6. The DCDC converter according to claim 5, wherein: and a pull ring (15) is arranged on the cover plate (13).