CN215344373U

CN215344373U - DC-DC converter with linear over-temperature protection function

Info

Publication number: CN215344373U
Application number: CN202120745696.6U
Authority: CN
Inventors: 朱卫东
Original assignee: Nanjing Xinda Shangpin Intelligent Technology Co ltd
Current assignee: Nanjing Xinda Shangpin Intelligent Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-28
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a DC-DC converter with a linear over-temperature protection function, which comprises a converter main body, wherein a wiring port is fixedly arranged at the middle position of the left side surface of the converter main body, a protection box is clamped on the outer side surface of the converter main body, a bottom plate is fixedly arranged at the bottom of the protection box, a buckle is fixedly arranged on the upper surface of the protection box, a radiating pipe is fixedly arranged in the buckle, ventilation openings are formed in the front and rear side surfaces of the protection box, a through hole is formed in the upper surface of the bottom plate, a spring is fixedly arranged on the upper surface of the through hole, a supporting rod is fixedly arranged at the top of the spring, a supporting plate is fixedly arranged at the lower end of the supporting rod, a groove is formed in the lower surface of the bottom plate, and a radiating fan is fixedly arranged in the groove. The whole heat dissipation and cooling effect is better through the vent, the cooling fan and the cooling tube that set up, and the impact force that wholly received can effectively be slowed down through the spring that sets up.

Description

DC-DC converter with linear over-temperature protection function

Technical Field

The utility model belongs to the technical field of DC-DC converters, and particularly relates to a DC-DC converter with a linear over-temperature protection function.

Background

The DC-DC converter is a voltage converter that effectively outputs a fixed mounting voltage after converting an input voltage. DC-DC converters are divided into three categories: a step-up DC-DC converter, a step-down DC-DC converter, and a step-up/step-down DC-DC converter. Three types of control can be used as required. The PWM control type is efficient and has good output voltage ripple and noise. The PFM control type has an advantage of low power consumption even when used for a long time, particularly when used under a small load. The PWM/PFM switching type PFM control is carried out at the time of a small load, and is automatically switched to the PWM control at the time of a heavy load. DC-DC converters are widely used in products such as mobile phones, MP3, digital cameras, portable media players, and the like. Belonging to chopper circuits in circuit type classification.

The existing DC-DC converter is easy to cause damage to internal electronic elements caused by overhigh temperature due to working at normal time, has poor heat dissipation effect, is fixedly installed, and cannot well perform buffering vibration protection on the converter.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a DC-DC converter with a linear over-temperature protection function, and solves the problems that the conventional DC-DC converter is easy to damage internal electronic elements caused by over-high temperature due to long-time operation, has poor heat dissipation effect, is fixedly installed and cannot well buffer and vibrate and protect the converter.

In order to achieve the purpose, the utility model provides the following technical scheme: a DC-DC converter with a linear over-temperature protection function comprises a converter main body, wherein a wiring port is fixedly arranged at the middle position of the left side surface of the converter main body, a protection box is clamped on the outer side surface of the converter main body, a notch is formed in the left side surface of the protection box, a bottom plate is fixedly arranged at the bottom of the protection box, screws are fixedly arranged on the left side surface and the right side surface of the protection box, a buckle is fixedly arranged on the upper surface of the protection box, a radiating pipe is fixedly arranged in the buckle, ventilation openings are formed in the front side surface and the rear side surface of the protection box, a through hole is formed in the upper surface of the bottom plate, a spring is fixedly arranged on the upper surface of the through hole, a supporting rod is fixedly arranged at the top of the spring, a supporting plate is fixedly arranged at the lower end of the supporting rod, a mounting hole is formed in the upper surface of the supporting plate, a groove is formed in the lower surface of the bottom plate, and a heat radiation fan is fixedly arranged in the groove.

Preferably, the positions of the notches correspond to the positions of the wiring ports, and two wiring ports are symmetrically arranged.

Preferably, the screws are four, the screws are fixedly arranged on the left side surface and the right side surface of the protection box in a symmetrical structure, the protection box is fixedly arranged on the upper surface of the bottom plate through the screws, and the protection box and the bottom plate form a fixed installation detachable structure through the screws.

Preferably, the vent symmetry is provided with a plurality of, ten are no less than to the quantity of buckle, be symmetrical structure fixed mounting between the buckle at the upper surface of protecting the box, the cooling tube is S type structure fixed mounting in the buckle.

Preferably, the number of the through holes and the number of the springs are four, the through holes are symmetrically arranged at four corners of the upper surface of the bottom plate, and the springs are symmetrically fixed on the edge of the upper surface of the through holes.

Preferably, the number of the supporting rods and the number of the supporting plates are four, the supporting rods form an elastic telescopic adjusting structure through springs, and the mounting holes are distributed at the positions, close to the corners, of the upper surface of the supporting plate in a triangular mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. the detachable protection box is arranged on the outer side of the converter main body, so that the converter main body can be well protected, the converter main body is prevented from being damaged due to external impact, the cooling fan arranged at the bottom of the protection box, the ventilation opening formed in the surface of the protection box and the cooling pipe arranged on the upper surface of the protection box can be used for introducing cooling air or cooling liquid to dissipate heat of the converter main body, and the damage caused by overhigh internal temperature due to long-time work of the converter main body is avoided;

2. through being equipped with the support that can carry out the flexible regulation of elasticity according to the spring at the upper surface of bottom plate for whole device installation is accomplished the back, when receiving external striking, and the spring can slow down received and has strikeed, avoids the too big converter main part of causing the damage of impact force.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic bottom view of the present invention.

In the figure: 1. a converter main body; 2. a wiring port; 3. a protective case; 31. a notch; 4. a base plate; 5. a screw; 6. buckling; 7. a radiating pipe; 8. a vent; 9. a through hole; 10. a spring; 11. a support bar; 12. a support plate; 13. mounting holes; 14. a groove; 15. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution: a DC-DC converter with a linear over-temperature protection function comprises a converter main body 1, a wiring port 2 is fixedly arranged at the middle position of the left side surface of the converter main body 1, a protection box 3 is clamped on the outer side surface of the converter main body 1, a notch 31 is formed in the left side surface of the protection box 3, a bottom plate 4 is fixedly arranged at the bottom of the protection box 3, screws 5 are fixedly arranged on the left side surface and the right side surface of the protection box 3, a buckle 6 is fixedly arranged on the upper surface of the protection box 3, a radiating pipe 7 is fixedly arranged in the buckle 6, ventilation openings 8 are formed in the front side surface and the rear side surface of the protection box 3, a through hole 9 is formed in the upper surface of the bottom plate 4, a spring 10 is fixedly arranged on the upper surface of the through hole 9, a support rod 11 is fixedly arranged at the top of the spring 10, a support plate 12 is fixedly arranged at the lower end of the support rod 11, a mounting hole 13 is formed in the upper surface of the support plate 12, a groove 14 is formed in the lower surface of the bottom plate 4, a heat radiation fan 15 is fixedly installed in the groove 14.

In this embodiment, through mounting hole 13, with backup pad 12 fixed mounting in assigned position, place converter main part 1 on bottom plate 4, through screw 5, make protection box 3 fixed mounting on converter main part 1, through being connected to cooling air or cooling water with the both ends of cooling tube 7, be used for cooling down converter main part 1, through radiator fan 15 and the vent 8 of protection box 3 side of bottom, make the radiating effect of converter main part 1 better, when receiving the striking, spring 10 can be used to cushion the produced impact force of striking.

Example two:

as shown in fig. 1-4, on the basis of the first embodiment, the present invention provides a technical solution: the position of breach 31 corresponds to the position of wiring mouth 2, and wiring mouth 2 symmetry is provided with two, and screw 5 is provided with four, is symmetrical structure fixed mounting between screw 5 and controls the side surface at protection box 3, and protection box 3 passes through screw 5 fixed mounting at the upper surface of bottom plate 4, and protection box 3 passes through screw 5 and constitutes fixed mounting detachable construction with bottom plate 4.

In this embodiment, the protection box 3 can be fixedly mounted on the bottom plate 4 through the screws 5 to protect the converter main body 1, thereby preventing the converter main body 1 from being damaged due to collision.

Example three:

as shown in fig. 1 to 4, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: vent 8 symmetry is provided with a plurality of, and ten are no less than to buckle 6' S quantity, is symmetrical structure fixed mounting between buckle 6 at the upper surface of protection box 3, and cooling tube 7 is S type structure fixed mounting in buckle 6.

In this embodiment, through the cooling tube 7 that sets up a plurality of vents 8 and set up at the top of protection box 3 for holistic heat dissipation is better with the cooling effect, avoids inside high temperature easily to cause inside electronic component's damage.

Example four:

as shown in fig. 1 to 4, on the basis of the first embodiment, the second embodiment and the third embodiment, the present invention provides a technical solution: through-hole 9 and spring 10 all are provided with four, and through-hole 9 is symmetrical structure setting in bottom plate 4 upper surface four corners position, and spring 10 is symmetrical structure fixed mounting in the upper surface border position of through-hole 9, and bracing piece 11 and backup pad 12 all are provided with four, and bracing piece 11 and backup pad 12 all constitute the flexible regulation structure of elasticity through spring 10, and mounting hole 13 is triangular distribution in the upper surface lean on the angle position of backup pad 12.

In this embodiment, the spring 10 is disposed on the upper surface of the bottom plate 4, and the support rod 11 can be elastically adjusted in a telescopic manner by the spring 10, so that the converter body 1 can be elastically adjusted in a telescopic manner, thereby buffering the impact force generated when the converter body 1 is impacted, and effectively protecting the converter body 1.

The working principle and the using process of the utility model are as follows: through mounting hole 13, with backup pad 12 fixed mounting in the assigned position, place converter main part 1 on bottom plate 4, through screw 5, make protection box 3 fixed mounting on converter main part 1, through being connected to cooling air or cooling water with the both ends of cooling tube 7, be used for cooling down converter main part 1, through radiator fan 15 of bottom and the vent 8 of protection box 3 side, make the radiating effect of converter main part 1 better, when receiving the striking, spring 10 can be used for buffering the produced impact force of striking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A DC-DC converter with a linear over-temperature protection function, comprising a converter body (1), characterized in that: the left side surface middle position fixed mounting of converter main part (1) has wiring mouth (2), the outside surface joint of converter main part (1) has protection box (3), breach (31) have been seted up to the left side surface of protection box (3), the bottom fixed mounting of protection box (3) has bottom plate (4), the left and right sides fixed surface mounting of protection box (3) has screw (5), the last fixed surface mounting of protection box (3) has buckle (6), fixed mounting has cooling tube (7) in buckle (6), vent (8) have been seted up to the front and back side surface of protection box (3), through-hole (9) have been seted up to the upper surface of bottom plate (4), the last fixed surface mounting of through-hole (9) has spring (10), the top fixed mounting of spring (10) has bracing piece (11), the lower end of the supporting rod (11) is fixedly provided with a supporting plate (12), the upper surface of the supporting plate (12) is provided with a mounting hole (13), the lower surface of the bottom plate (4) is provided with a groove (14), and a cooling fan (15) is fixedly arranged in the groove (14).

2. A DC-DC converter having a linear over-temperature protection function according to claim 1, characterized in that: the position of breach (31) corresponds to the position of wiring mouth (2), wiring mouth (2) symmetry is provided with two.

3. A DC-DC converter having a linear over-temperature protection function according to claim 1, characterized in that: the novel protective box is characterized in that the number of the screws (5) is four, the screws (5) are fixedly arranged on the left side surface and the right side surface of the protective box (3) in a symmetrical structure, the protective box (3) is fixedly arranged on the upper surface of the bottom plate (4) through the screws (5), and the protective box (3) and the bottom plate (4) form a fixed mounting detachable structure through the screws (5).

4. A DC-DC converter having a linear over-temperature protection function according to claim 1, characterized in that: vent (8) symmetry is provided with a plurality of, ten are no less than in the quantity of buckle (6), be symmetrical structure fixed mounting at the upper surface of protecting box (3) between buckle (6), cooling tube (7) are S type structure fixed mounting in buckle (6).

5. A DC-DC converter having a linear over-temperature protection function according to claim 1, characterized in that: the four through holes (9) and the four springs (10) are arranged, the through holes (9) are symmetrically arranged at four corners of the upper surface of the bottom plate (4), and the springs (10) are symmetrically fixed on the edge of the upper surface of the through holes (9).

6. A DC-DC converter having a linear over-temperature protection function according to claim 1, characterized in that: the supporting rods (11) and the supporting plates (12) are four in number, the supporting rods (11) and the supporting plates (12) form an elastic telescopic adjusting structure through springs (10), and the mounting holes (13) are distributed at the positions, close to the corners, of the upper surfaces of the supporting plates (12) in a triangular mode.