CN216086495U

CN216086495U - Safe rectifier

Info

Publication number: CN216086495U
Application number: CN202122194953.4U
Authority: CN
Inventors: 彭长海; 张运锋
Original assignee: Dongguan Ruiguan Electronics Co ltd
Current assignee: Dongguan Ruiguan Electronics Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-03-18
Anticipated expiration: 2031-09-11

Abstract

The utility model discloses a safety rectifier, comprising: the front side plate, the rear side plate, the lower panel and the upper panel; the front side plate is arranged on the front side of the rectifier, and a front heat dissipation frame is arranged in the middle of the outer surface of the front side plate; the rear side plate is arranged at the rear side, and a rear heat dissipation frame is arranged in the middle of the outer surface of the rear side plate; the lower panel is arranged in the middle of the lower side of the rectifier, and a lower heat transfer plate is arranged on the lower surface of the lower panel; the upper panel is arranged in the middle of the upper side of the rectifier. The structure of the utility model is simple and reasonable, the left and right parts of the rectifier are provided with the radiating fin groups for large-area heat dissipation, the upper and lower surfaces of the rectifier are provided with the heat transfer plates, the upper heat transfer plate is provided with the radiating fan for air cooling fast heat dissipation, and the front and rear two side surfaces of the rectifier are provided with the radiating frames, so that the rectifier can be comprehensively radiated, the internal heat can be rapidly reduced, the operation can be kept safe, and the use is more reliable.

Description

Safe rectifier

Technical Field

The utility model relates to the technical field of rectifiers, in particular to a safety rectifier.

Background

A rectifier is a device that converts ac power to dc power, and can be used for power supply devices and detection of radio signals, etc., and can be made of vacuum tubes, ignition tubes, solid-state silicon semiconductor diodes, mercury arcs, etc., whereas a set of devices that convert dc power to ac power is called an "inverter", which is a rectifying device, in short, a device that converts ac power to dc power, and has two main functions: firstly, alternating current is converted into direct current, and the direct current is supplied to a load after being filtered or is supplied to an inverter; second, a charging voltage is supplied to the secondary battery. Thus, it also functions as a charger. However, the rectifier in the prior art is easy to overheat due to continuous current conversion, so that the internal temperature is too high, heat is difficult to evacuate, and certain potential safety hazard exists during use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, a safe rectifier is provided so as to solve the problems that the rectifier in the prior art is easy to load overheat due to continuous current conversion, the internal temperature is too high, heat is difficult to evacuate, and certain potential safety hazards exist during use.

To achieve the above object, there is provided a safety type rectifier, including: the front side plate, the rear side plate, the lower panel and the upper panel;

the front side plate is arranged on the front side of the rectifier, and a front heat dissipation frame is arranged in the middle of the outer surface of the front side plate;

the rear side plate is arranged at the rear side, and a rear heat dissipation frame is arranged in the middle of the outer surface of the rear side plate;

the lower panel is arranged in the middle of the lower side of the rectifier, a lower heat transfer plate is arranged on the lower surface of the lower panel, and a plurality of groups of wiring terminals are arranged below the lower heat transfer plate;

the upper panel is arranged in the middle of the upper side of the rectifier, and an upper heat transfer plate is arranged on the upper surface of the upper panel.

Furthermore, the left part of the rectifier is provided with a left radiating fin assembly, the right part of the rectifier is provided with a right radiating fin assembly, the left radiating fin assembly and the right radiating fin assembly are arranged in a bilateral symmetry mode about the center line of the rectifier, and meanwhile the left radiating fin assembly and the right radiating fin assembly are made of aluminum materials.

Furthermore, the lower heat transfer plate and the upper heat transfer plate are made of heat transfer silica gel, and the thickness of the lower heat transfer plate and the thickness of the upper heat transfer plate are both set to be 2-3 mm.

Furthermore, the front side plate and the rear side plate are symmetrically arranged in front and back directions relative to the center line of the rectifier, and both the front side plate and the rear side plate adopt a rectangular plate block structure made of ABS materials.

Furthermore, a top cover plate is arranged above the upper heat transfer plate in parallel, and a plurality of groups of thin rods are fixed between the upper heat transfer plate and the front part and the rear part of the top cover plate.

Further, install six groups of protection casings between last heat transfer board and the overhead guard board, and the protection casing adopts stainless steel mesh cover structure to all install radiator fan in every group protection casing, the last port of protection casing opens the setting simultaneously.

The utility model has the beneficial effects that:

1. according to the utility model, the left radiating fin assembly and the right radiating fin assembly are respectively arranged on the left part and the right part of the rectifier, and the left radiating fin assembly and the right radiating fin assembly are used for large-area heat evacuation from the left part and the right part of the rectifier respectively, so that the contact area between the left radiating fin assembly and the right radiating fin assembly and an external environment is large, the heat conduction is fast, and the heat dissipation is faster.

2. The lower heat transfer plate and the upper heat transfer plate are respectively positioned on the lower surface and the upper surface of the rectifier and used as a medium for the rectifier to transfer heat outwards, so that heat in the rectifier is conducted out.

3. The front side plate and the rear side plate are arranged to conveniently carry out safety protection on the front side and the rear side of the rectifier, the front side plate and the rear side plate are made of ABS plastic materials, the rectifier is more durable in use, and meanwhile the front heat dissipation frame and the rear heat dissipation frame are arranged to conveniently dissipate heat outwards.

4. Six groups of radiating fans are arranged between the upper heat transfer plate and the top cover plate so as to quickly radiate heat by utilizing air cooling, and meanwhile, the protective cover arranged on the radiating fan protects the radiating fan on the premise of not influencing heat radiation so as to safely radiate the heat.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic top view of an embodiment of the present invention;

FIG. 3 is a bottom view of an embodiment of the present invention;

FIG. 4 is a left side view of an embodiment of the present invention;

FIG. 5 is a schematic view of a cross-sectional structure A-A according to an embodiment of the present invention.

In the figure: 1. a rectifier; 2. a front side plate; 20. a front heat dissipation frame; 3. a rear side plate; 30. a rear heat dissipation frame; 4. a right heat dissipating fin assembly; 5. a left heat dissipating fin assembly; 6. a lower panel; 60. a lower heat transfer plate; 61. a wiring terminal; 7. an upper panel; 70. uploading a heat transfer plate; 71. a thin rod; 72. a heat radiation fan; 73. a protective cover; 74. a top cover plate.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Fig. 1 is a front view, fig. 2 is a top view, fig. 3 is a bottom view, fig. 4 is a left view, and fig. 5 is a cross-sectional structure of a-a according to an embodiment of the present invention.

Referring to fig. 1 to 5, the present invention provides a safety type rectifier, including: a front side plate 2, a rear side plate 3, a lower side plate 6 and an upper side plate 7; the front side plate 2 is arranged on the front side of the rectifier 1, and the middle part of the outer surface of the front side plate 2 is provided with a front heat dissipation frame 20; the rear side plate 3 is arranged at the rear side, and the middle part of the outer surface of the rear side plate 3 is provided with a rear heat dissipation frame 30; the lower panel 6 is arranged in the middle of the lower side of the rectifier 1, the lower surface of the lower panel 6 is provided with a lower heat transfer plate 60, and a plurality of groups of wiring terminals 61 are arranged below the lower heat transfer plate 60; the upper panel 7 is disposed at the upper middle portion of the rectifier 1, and the upper surface of the upper panel 7 is provided with an upper heat transfer plate 70.

In this embodiment, the left portion of the rectifier 1 is provided with a left heat radiation fin assembly 5, the right portion of the rectifier 1 is provided with a right heat radiation fin assembly 4, the left heat radiation fin assembly 5 and the right heat radiation fin assembly 4 are arranged in bilateral symmetry about the center line of the rectifier 1, and the left heat radiation fin assembly 5 and the right heat radiation fin assembly 4 are made of aluminum.

As a preferred embodiment, in the present invention, the left and right heat dissipating

fin assemblies

5 and 4 are respectively disposed at the left and right portions of the rectifier 1, and the left and right heat dissipating

fin assemblies

5 and 4 are used to dissipate heat from the left and right portions of the rectifier 1 in a large area, respectively, so that the left and right heat dissipating

fin assemblies

5 and 4 have a large contact area with the external environment, and the heat conduction is faster, so that the heat dissipation is faster.

In this embodiment, the lower heat transfer plate 60 and the upper heat transfer plate 70 are made of heat transfer silicone, and the thicknesses of the lower heat transfer plate 60 and the upper heat transfer plate 70 are set to be 2-3 mm.

In a preferred embodiment, the lower heat transfer plate 60 and the upper heat transfer plate 70 of the present invention are respectively located on the lower surface and the upper surface of the rectifier 1, and serve as an intermediary for the rectifier 1 to transfer heat to the outside, so as to conduct the heat inside the rectifier 1.

In the present embodiment, the front plate 2 and the rear plate 3 are symmetrically disposed in front and rear directions with respect to the center line of the rectifier 1, and both the front plate 2 and the rear plate 3 are made of rectangular plate blocks made of ABS material.

As a preferred embodiment, the front side plate 2 and the rear side plate 3 of the present invention are disposed to facilitate front and rear side safety protection of the rectifier 1, and the front side plate 2 and the rear side plate 3 are made of ABS plastic, so that they are more durable in use, and the front heat dissipation frame 20 and the rear heat dissipation frame 30 are disposed to facilitate external heat dissipation.

In the present embodiment, a top cover plate 74 is disposed above the upper heat transfer plate 70 in parallel, and a plurality of groups of thin rods 71 are fixed between the upper heat transfer plate 70 and the front and rear portions of the top cover plate 74; six groups of shields 73 are arranged between the upper heat-transfer plate 70 and the top cover plate 74, the shields 73 adopt a stainless steel mesh cover structure, a heat-dissipation fan 72 is arranged in each group of shields 73, and the upper ports of the shields 73 are opened.

As a preferred embodiment, six sets of heat dissipation fans 72 are installed between the upper heat transfer plate 70 and the top cover plate 74 in the present invention, so as to utilize air cooling to dissipate heat quickly, and the protective cover 73 provided on the heat dissipation fans 72 protects the heat dissipation fans 72 without affecting heat dissipation, so as to dissipate heat safely.

The utility model can effectively solve the problems of overhigh internal temperature, difficult heat evacuation and certain potential safety hazard in use of the rectifier in the prior art due to continuous current conversion and easy load overheating.

Claims

1. A safety rectifier, comprising: the front side plate (2), the rear side plate (3), the lower panel (6) and the upper panel (7);

the rectifier comprises a front side plate (2) arranged on the front side of the rectifier (1), and a front heat dissipation frame (20) is arranged in the middle of the outer surface of the front side plate (2);

the rear side plate (3) is arranged on the rear side, and a rear heat dissipation frame (30) is arranged in the middle of the outer surface of the rear side plate (3);

the rectifier comprises a lower panel (6) arranged in the middle of the lower side of the rectifier (1), wherein a lower heat transfer plate (60) is arranged on the lower surface of the lower panel (6), and a plurality of groups of wiring terminals (61) are arranged below the lower heat transfer plate (60);

the upper panel (7) is arranged in the middle of the upper side of the rectifier (1), and an upper heat transfer plate (70) is arranged on the upper surface of the upper panel (7).

2. The safety rectifier according to claim 1, wherein a left heat radiation fin assembly (5) is arranged at the left part of the rectifier (1), a right heat radiation fin assembly (4) is arranged at the right part of the rectifier (1), the left heat radiation fin assembly (5) and the right heat radiation fin assembly (4) are arranged in a left-right symmetrical manner about the center line of the rectifier (1), and the left heat radiation fin assembly (5) and the right heat radiation fin assembly (4) are made of aluminum.

3. The safety rectifier according to claim 1, wherein the lower heat transfer plate (60) and the upper heat transfer plate (70) are made of heat transfer silica gel, and the thicknesses of the lower heat transfer plate (60) and the upper heat transfer plate (70) are set to be 2-3 mm.

4. The safety type rectifier according to claim 1, wherein the front side plate (2) and the rear side plate (3) are symmetrically arranged in front and back with respect to a center line of the rectifier (1), and the front side plate (2) and the rear side plate (3) are both made of rectangular plate blocks made of ABS material.

5. The safety type rectifier according to claim 1, characterized in that a top cover plate (74) is arranged above the upper heat transfer plate (70) in parallel, and a plurality of groups of thin rods (71) are fixed between the upper heat transfer plate (70) and the front and rear parts of the top cover plate (74).

6. The safety type rectifier according to claim 5, characterized in that six groups of protective covers (73) are installed between the upper heat transfer plate (70) and the top cover plate (74), the protective covers (73) adopt a stainless steel net cover structure, a heat radiation fan (72) is installed in each group of protective covers (73), and the upper ports of the protective covers (73) are arranged in an open mode.