CN210928430U

CN210928430U - Inverter heat dissipation device for photovoltaic

Info

Publication number: CN210928430U
Application number: CN201921771597.4U
Authority: CN
Inventors: 王文生
Original assignee: Beijing Xintailvneng Science And Technology Co ltd
Current assignee: Beijing Xintailvneng Science And Technology Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-03
Anticipated expiration: 2029-10-21

Abstract

The utility model provides an inverter heat abstractor for photovoltaic belongs to the dc-to-ac converter field, this inverter heat abstractor for photovoltaic, including box body, radiator unit and isolation component. The box body comprises a shell and a cover plate, wherein the upper end face of the shell is open, and the cover plate is arranged on the upper end face of the shell. The heat dissipation assembly comprises a heat dissipation plate, a heat dissipation fan and a heat pipe, the heat dissipation plate is arranged in the shell, and one end of the heat pipe is connected with the heat dissipation plate; the heat that the inside component of installation cavity produced is through the heating panel surface externally spread to drive the air current through starting the heat dissipation fan, make the air flow in the heat dissipation cavity, blow away the heat on heating panel surface and take away, set up in shell inner wall both sides through the heating panel, reinforcing radiating effect improves the direct component to the installation cavity of outside air and dispels the heat, has reduced the possibility that the dust adheres to on the component top layer in the air, has improved dustproof ability.

Description

Inverter heat dissipation device for photovoltaic

Technical Field

The utility model relates to an inverter field particularly, relates to an inverter heat abstractor for photovoltaic.

Background

The inverter converts direct current electric energy into alternating current. It is composed of inverter bridge, control logic and filter circuit. In life, inverters are widely used, but the use of inverters generally generates heat, so that the temperature of the inverters is increased, and heat dissipation is required by installing a heat dissipation device.

The existing heat dissipation assembly is characterized in that a heating component is connected with a heat dissipation sheet through a heat pipe, and the heat dissipation of the heat dissipation sheet is accelerated by driving airflow through a heat dissipation fan, so that the heat dissipation efficiency is low, the dustproof effect is poor, and the dust on the inner wall of a shell covers the surface of the component, thereby causing heat dissipation hidden danger.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides an inverter heat abstractor for photovoltaic aims at improving the radiating efficiency low, and the poor problem of dustproof effect.

The utility model discloses a realize like this:

an inverter heat dissipation device for photovoltaic comprises a box body, a heat dissipation assembly and an isolation assembly.

The box body comprises a shell and a cover plate, wherein the upper end face of the shell is open, and the cover plate is arranged on the upper end face of the shell.

The heat dissipation assembly comprises a heat dissipation plate, a heat dissipation fan and a heat pipe, the heat dissipation plate is arranged inside the shell, one end of the heat pipe is connected with the heat dissipation plate, and the heat dissipation fan is fixed at one end of the shell.

The isolation assembly comprises a first baffle and a second baffle, the first baffle and the second baffle are fixed to the bottom of the shell, the two heat dissipation plates are symmetrically arranged on two sides of the shell, and the two heat dissipation plates, the first baffle and the second baffle form an annular closed installation cavity.

Two the heating panel with form the heat dissipation chamber between the shell inner wall, the both ends of second baffle with form the thermovent between the shell inner wall, the thermovent with heat dissipation chamber intercommunication.

The utility model discloses an in the embodiment, the bottom of shell is provided with the base, the base with the lower surface joint of shell, the mounting hole has been seted up on the base surface.

The utility model discloses an in one embodiment, the draw-in groove has been seted up to the shell lower surface, fixed surface has the fixture block on the base, the fixture block with the draw-in groove joint.

In an embodiment of the present invention, the heat dissipation plate includes a heat conduction plate and heat dissipation fins, the heat dissipation fins are disposed on the outer surface of the heat conduction plate, and the heat dissipation fins are fixedly connected to the heat conduction plate.

In an embodiment of the present invention, one end of the heat pipe is fixed to the inner surface of the heat conducting plate by a bolt, and the joint of the heat pipe and the heat conducting plate is coated with heat conducting silicone grease.

In an embodiment of the present invention, both ends of the heat conducting plate are respectively connected to the end portions of the first baffle and the second baffle.

The utility model discloses an in an embodiment, first baffle with the constant head tank has all been seted up on the inner wall of second baffle, the fixed welding in both ends of heat-conducting plate has the locating piece, the locating piece peg graft in the constant head tank.

In an embodiment of the present invention, the first baffle and the second baffle are integrally formed with the bottom of the housing.

The utility model discloses an in one embodiment, threaded hole is seted up to the shell up end, it has the screw to peg graft in the counter bore that the apron upper surface was seted up, the lower extreme of screw with screw hole threaded connection.

The utility model discloses an in an embodiment, the through-hole has been seted up to the one end of shell, the heat dissipation fan is fixed in the through-hole, the through-hole outer port is provided with dustproof otter board, the mesh has been seted up to dustproof otter board surface array.

The utility model has the advantages that: the utility model discloses an above-mentioned design obtains an inverter heat abstractor for photovoltaic, during the use, the heat that the inside component of installation cavity produced is spread outward through the heating panel surface, and drive the air current through starting the heat dissipation fan, make the air flow in the heat dissipation cavity, blow away the heat on heating panel surface and take away, set up in shell inner wall both sides through the heating panel, the heat radiating area has been increased, the reinforcing radiating effect, improve the direct component to the installation cavity of outside air and dispel the heat, the possibility on the component top layer of dust adhesion in the air has been reduced, dustproof ability has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic view of a box structure provided by an embodiment of the present invention;

fig. 3 is a schematic view of a heat dissipation plate structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 1 according to an embodiment of the present invention.

In the figure: 100-a cartridge; 110-a housing; 111-card slot; 113-a heat sink; 115-a threaded hole; 117-dustproof mesh plate; 130-a cover plate; 131-screws; 150-a base; 151-a fixture block; 300-a heat sink assembly; 310-a heat sink plate; 311-heat conducting plate; 313-heat dissipation fins; 315-positioning block; 330-heat dissipation fan; 350-a heat pipe; 500-an isolation component; 510-a first baffle; 530-a second baffle; 540-positioning groove; 700-mounting a cavity; 900-heat dissipation chamber.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the utility model provides a. Embodiments, all other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an inverter heat sink for photovoltaic includes a case 100, a heat sink 300, and an isolation member 500.

Referring to fig. 2, the box 100 includes a housing 110 and a cover 130, wherein an upper end surface of the housing 110 is open, and the cover 130 is installed on the upper end surface of the housing 110. The bottom of shell 110 is provided with base 150, base 150 and shell 110's lower surface joint, the mounting hole has been seted up on base 150 surface, it is fixed to be convenient for shell 110's installation through setting up base 150, draw-in groove 111 has been seted up to shell 110 lower surface, base 150 upper surface is fixed with fixture block 151, wherein fixture block 151 and base 150 welded connection, fixture block 151 and draw-in groove 111 joint, shell 110 and base 150 pass through joint fixed connection, convenient to detach.

Referring to fig. 2, the upper end surface of the outer shell 110 is provided with a threaded hole 115, a screw 131 is inserted into a counter bore formed in the upper surface of the cover plate 130, and the lower end of the screw 131 is in threaded connection with the threaded hole 115, so that the outer shell 110 and the cover plate 130 are conveniently connected and fixed.

Referring to fig. 3-4, the heat dissipating assembly 300 includes a heat dissipating plate 310, a heat dissipating fan 330 and a heat pipe 350, the heat dissipating plate 310 is disposed inside the housing 110, the heat dissipating plate 310 includes a heat conducting plate 311 and heat dissipating fins 313, the heat dissipating fins 313 are disposed on an outer surface of the heat conducting plate 311, the heat dissipating fins 313 are fixedly welded to the heat conducting plate 311, the heat conducting plate 311 is conveniently externally diffused by the heat dissipating fins 313, the heat dissipating rate is increased, one end of the heat pipe 350 is connected to the heat dissipating plate 310, one end of the heat pipe 350 is fixed to an inner surface of the heat conducting plate 311 by bolts, a joint between the heat pipe 350 and the heat conducting plate 311 is coated with heat conducting silicone grease, the heat dissipating fan 330 is fixed to one end of the housing 110, one end of the housing 110 is provided with a through hole, the heat dissipating fan 330 is fixed to the through bolts, the outer port of the through hole is provided with a dustproof screen plate 117, and the surface of the dustproof screen plate 117 is provided with meshes in an array mode.

Referring to fig. 1, the isolation assembly 500 includes a first baffle 510 and a second baffle 530, the first baffle 510 and the second baffle 530 are fixed at the bottom of the housing 110, the first baffle 510 and the second baffle 530 are integrated with the bottom of the housing 110 to improve the connection strength between the structures and prevent the loosening effect, two heat dissipation plates 310 are symmetrically disposed at two sides of the housing 110, and the two heat dissipation plates 310, the first baffle 510 and the second baffle 530 form an annular closed installation cavity 700.

Next, a heat dissipation chamber 900 is formed between the two heat dissipation plates 310 and the inner wall of the housing 110, a heat dissipation opening 113 is formed between the two ends of the second baffle 530 and the inner wall of the housing 110, and the heat dissipation opening 113 is communicated with the heat dissipation chamber 900.

When specifically setting up, the both ends of heat-conducting plate 311 respectively with the tip joint of first baffle 510 and second baffle 530, all seted up constant head tank 540 on the inner wall of first baffle 510 and second baffle 530, the fixed welding in both ends of heat-conducting plate 311 has locating piece 315, locating piece 315 pegs graft in constant head tank 540, the installation of the heating panel 310 of being convenient for is dismantled, is convenient for maintain the use.

The working principle of the photovoltaic inverter heat dissipation device is as follows: during the use, through setting up installation cavity 700, be convenient for fix electrical components in installation cavity 700, be connected with treating radiating element through heat pipe 350, with heat transfer to heating panel 310, the heat that the inside component of installation cavity 700 produced is outwards diffused through heating panel 310 surface, and drive the air current through starting heat dissipation fan 330, make the air flow in the heat dissipation cavity 900, take away the heat on heating panel 310 surface, set up in shell 110 inner wall both sides through heating panel 310, heat radiating area has been increased, the reinforcing radiating effect, improve the direct component to in the installation cavity 700 of outside air and dispel the heat, the possibility that the dust is attached to on the component top layer in the air has been reduced, dustproof capacity has been improved.

It should be noted that the specific model specification of the heat dissipation fan 330 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the heat dissipation fan 330 and its principle will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An inverter heat dissipation device for photovoltaic is characterized by comprising

The box body (100) comprises a shell (110) and a cover plate (130), the upper end face of the shell (110) is open, and the cover plate (130) is installed on the upper end face of the shell (110);

the heat dissipation assembly (300) comprises a heat dissipation plate (310), a heat dissipation fan (330) and a heat pipe (350), wherein the heat dissipation plate (310) is arranged inside the shell (110), one end of the heat pipe (350) is connected with the heat dissipation plate (310), and the heat dissipation fan (330) is fixed at one end of the shell (110);

the isolation assembly (500) comprises a first baffle plate (510) and a second baffle plate (530), the first baffle plate (510) and the second baffle plate (530) are fixed at the bottom of the shell (110), the two heat dissipation plates (310) are symmetrically arranged at two sides of the shell (110), and the two heat dissipation plates (310), the first baffle plate (510) and the second baffle plate (530) form an annular closed installation cavity (700);

two heating panel (310) with form heat dissipation chamber (900) between shell (110) inner wall, the both ends of second baffle (530) with form thermovent (113) between shell (110) inner wall, thermovent (113) with heat dissipation chamber (900) intercommunication.

2. The inverter heat sink for photovoltaic as recited in claim 1, wherein a base (150) is disposed at a bottom of the housing (110), the base (150) is clamped to a lower surface of the housing (110), and a mounting hole is formed in a surface of the base (150).

3. The inverter heat sink for photovoltaic as claimed in claim 2, wherein a clamping groove (111) is formed in a lower surface of the housing (110), a clamping block (151) is fixed to an upper surface of the base (150), and the clamping block (151) is clamped with the clamping groove (111).

4. The inverter heat sink for photovoltaic use according to claim 1, wherein the heat sink (310) comprises a heat conducting plate (311) and heat dissipating fins (313), the heat dissipating fins (313) are disposed on an outer surface of the heat conducting plate (311), and the heat dissipating fins (313) are fixedly welded to the heat conducting plate (311).

5. The inverter heat sink for photovoltaic use according to claim 4, wherein one end of the heat pipe (350) is fixed on the inner surface of the heat conducting plate (311) by bolts, and the joint of the heat pipe (350) and the heat conducting plate (311) is coated with heat conductive silicone grease.

6. The inverter heat sink for photovoltaic as claimed in claim 5, wherein both ends of the heat conducting plate (311) are respectively engaged with the ends of the first baffle (510) and the second baffle (530).

7. The inverter heat sink for photovoltaic as recited in claim 6, wherein the inner walls of the first baffle (510) and the second baffle (530) are respectively provided with a positioning groove (540), positioning blocks (315) are fixedly welded to two ends of the heat conducting plate (311), and the positioning blocks (315) are inserted into the positioning grooves (540).

8. The inverter heat sink for photovoltaic use according to claim 1, wherein the first baffle (510) and the second baffle (530) are integrally formed with the bottom of the housing (110).

9. The inverter heat sink for photovoltaic as claimed in claim 1, wherein a screw hole (115) is formed on an upper surface of the housing (110), a screw (131) is inserted into a counter bore formed on an upper surface of the cover plate (130), and a lower end of the screw (131) is in threaded connection with the screw hole (115).

10. The inverter heat sink for photovoltaic as claimed in claim 1, wherein a through hole is formed at one end of the housing (110), the heat dissipation fan (330) is fixed in the through hole, a dust screen (117) is disposed at an outer port of the through hole, and meshes are formed on a surface of the dust screen (117).