Waterproof heat dissipation case
By using partitions to divide the space and designing internal air ducts in the photovoltaic power supply chassis, the problem of increased overall height and volume caused by fixing inductor slots and MOSFETs has been solved, achieving lightweight, low noise, low cost, and good heat dissipation and waterproofing.
Patent Information
- Application Number
- CN202423046546.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-11
AI Technical Summary
In existing photovoltaic power storage products, the way inductor slots and MOSFETs are fixed increases the overall height and size of the device, resulting in high noise, high cost, and a lack of good heat dissipation and waterproof performance.
The internal space of the chassis is divided into inner and outer spaces by a partition. The inductor is fixed to the inner side of the extruded profile, the MOSFET is fixed to the outer side of the extruded profile, and the axial fan is placed inside the chassis to form an internal air duct with air intake on the left and air exhaust on the right. A sealing structure is set to ensure waterproof performance.
The overall height and size of the machine were reduced, noise was lowered, and good heat dissipation and waterproof performance were achieved, thus reducing costs.
Smart Images
Figure CN223772280U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power supply technical field especially relates to a waterproof heat dissipation case. BACKGROUND
[0002] In prior art, two or more inductance grooves are independently fixed below the box body, the radiator adhered with MOS tube is also independently fixed below the box body, the inductance groove is fixed below the box body, which increases the height of the whole machine, the MOS tube radiator is fixed below the box body, which increases the volume of the whole machine, the MOS tube needs a separate radiator for heat dissipation, which increases the cost, and the axial flow fan is placed outside the case, so that the noise of the whole machine is too large.
[0003] Therefore, it is necessary to provide a waterproof heat dissipation case, which is small in size, beautiful, light in weight, low in price and good in heat dissipation and waterproof performance. UTILITY MODEL CONTENTS
[0004] The utility model discloses a waterproof heat dissipation case relates to the photovoltaic storage power supply industry, it can effectively solve the technical problem in the background art.
[0005] To achieve the above object, the technical scheme of the utility model is as follows:
[0006] A waterproof heat dissipation case, including lower shell and upper cover, the lower shell is open at the top, the upper cover is installed on the top of the lower shell, and the two form an internal space, the bottom surface of the lower shell is provided with a PCB board, the PCB board is provided with a partition plate, the partition plate is open at the bottom and abuts with the inner wall of the lower shell, the partition plate divides the internal space into a partition plate internal space and a partition plate external space, the partition plate internal space is provided with electrical device two and fan, the electrical device two is installed on the PCB board, the lower shell is provided with an air inlet and an air outlet corresponding to the position of the partition plate, during operation, external air enters the partition plate internal space through the air inlet, contacts the electrical device two, and then exits from the air outlet.
[0007] Specifically, the fan is an axial flow fan and is placed inside the case, which can reduce noise. The partition plate is provided for ventilation, air enters from the right side of the case and exits from the left side, which improves the heat dissipation performance and does not affect the waterproof performance. The air duct is arranged inside the case, the air inlet is made of an extruded profile (i.e. the partition plate), the inductor is fixed to the inner side of the extruded profile, and the MOS tube is fixed to the outer side of the extruded profile, which achieves good heat dissipation. The control box and the top cover are integrally stretched and formed, and the case is processed by stretching mold, which is simple to manufacture and low in cost.
[0008] As a preferred improvement of the utility model, the lower shell includes a bottom plate and a side plate, the side plate is fixed to the top surface of the bottom plate, the upper cover is installed on the top surface of the side plate, the lower shell is in the shape of a cuboid, and the side plate is provided with a waterproof joint in communication with the internal space.
[0009] As a preferred improvement of the utility model: the lower shell and the upper cover are screw-connected or snap-connected, and a sealing ring is arranged between the lower shell and the upper cover.
[0010] As a preferred improvement of the utility model: the partition plate is connected with the left side wall and the right side wall of the lower shell, and the partition plate is in the shape of a cuboid.
[0011] As a preferred improvement of the utility model: an electric device one is arranged in the outer space of the partition plate, the electric device one abuts against the outer wall of the partition plate, the electric device one comprises a MOS tube, and the electric device two comprises an inductor and / or a transformer.
[0012] As a preferred improvement of the utility model: the connecting part of the partition plate, the PCB and the lower shell is coated with sealing glue, and the partition plate and the PCB are welded.
[0013] As a preferred improvement of the utility model: the upper cover is provided with a notch, the notch extends downward to form a control box, and the notch is provided with a control box cover.
[0014] As a preferred improvement of the utility model: the number of the fans is two, one is located at the air inlet, and the other is located at the air outlet, and the fans are axial flow fans.
[0015] As a preferred improvement of the utility model: the air inlet and the air outlet are both provided with filter screens, and the through holes of the filter screens are provided with downwardly inclined water baffles.
[0016] As a preferred improvement of the utility model: the waterproof heat dissipation case adopts a waterproof grade of IP54 or IP65.
[0017] The utility model has the advantages of the following:
[0018] The partition plate (i.e. an inductor groove, adopting an extruded profile) is fixed above the PCB and placed in the case, thereby reducing the height of the whole machine, meeting the characteristics of small size, beauty, light weight and low price of the power supply, the inductor groove (extruded profile) is placed in the case, thereby forming an air duct for the inductor and the transformer and dissipating heat for the MOS tube, achieving multiple purposes of one part, greatly saving the cost, the axial flow fan is placed in the case, thereby greatly reducing the noise of the whole machine, greatly improving the experience of the customer, and the case has good waterproof performance. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art without creative effort based on the drawings are within the scope of the present application.
[0020] Figure 1 It is a whole schematic view of the waterproof heat dissipation case of the present application.
[0021] Figure 2 It is a multi-angle schematic view of the case of the present application.
[0022] Figure 3 It is a schematic view of the inside of the case of the present application.
[0023] Figure 4 It is a top view of the inside of the case of the present application.
[0024] Figure 5 It is a sectional view along A-A line of the present application.
[0025] In the figure: 100 - lower shell, 110 - bottom plate, 120 - side plate, 121 - air inlet, 122 - air outlet, 123 - waterproof joint, 130 - PCB, 140 - partition, 150 - electric device one, 160 - electric device two, 170 - fan, 200 - upper cover, 210 - control box, 220 - control box cover. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below, obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of the present application.
[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), if the certain posture changes, the directional indications will also change accordingly.
[0028] In addition, the descriptions such as "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0029] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0030] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.
[0031] Please refer to Figures 1-5 As shown in the drawings, the utility model provides a waterproof heat dissipation case, including lower shell 100 and upper cover 200, lower shell 100 is top open, upper cover 200 is installed in lower shell 100 top, and both form a built-in space, the bottom surface of lower shell 100 inside is provided with PCB board 130, the PCB board 130 is equipped with the baffle 140, the baffle 140 is top open and with lower shell 100 inner wall abuts, the baffle 140 divides built-in space into the baffle inner space and baffle outer space that do not communicate with each other, and the baffle inner space is equipped with electrical device two 160 and fan 170, electrical device two 160 is installed on the PCB board 130, lower shell 100 is equipped with air inlet 121 and air outlet 122 with baffle 140's position corresponds, when working, external air enters baffle inner space through air inlet 121, contacts electrical device two 160, then from air outlet 122.
[0032] Specifically, the case is in the shape of a cuboid, the lower shell 100 and the upper cover 200 are connected to form a closed internal space, and the connection part is provided with a sealing ring and other waterproof structures. The lower shell 100 is internally provided with the partition plate 140, the partition plate 140 is in the shape of n, and a wind channel is formed to use wind flow to dissipate heat for the electrical devices. The partition plate 140 is in sealed connection with the lower shell 100 and the PCB 130, and sealing glue can be arranged at the connection part to ensure the sealing property and prevent water from penetrating, so that water carried by the wind flow in the partition plate 140 cannot enter the space between the upper cover 200 and the partition plate 140. A part of the electrical devices is located in the internal space of the partition plate, and the cold air formed by the fan 170 directly cools the electrical devices, and the PCB and the electrical devices 160 in the internal space of the partition plate are subjected to corresponding waterproof treatment.
[0033] As an implementation form, the lower shell 100 comprises a bottom plate 110 and a side plate 120, the side plate 120 is fixed to the top surface of the bottom plate 110, the upper cover 200 is installed on the top surface of the side plate 120, the lower shell 100 is in the shape of a cuboid, and the side plate 120 is provided with a waterproof connector 123 in communication with the internal space, which is used for connecting the internal devices of the case with the outside.
[0034] As an implementation form, the lower shell 100 and the upper cover 200 are in screw connection or buckle connection, and a sealing ring is arranged between the lower shell 100 and the upper cover 200, so that the connection can be easily disassembled for maintenance and good waterproof protection is achieved. It should be further explained that other components can be used to achieve the above effects, which should belong to the inventive concept of the present application and should belong to the protection scope of the present application.
[0035] As an implementation form, the partition plate 140 is connected with the left side wall and the right side wall of the lower shell 100, the partition plate 140 is in the shape of a cuboid, air is inhaled from the right side and exhaled from the left side; air can also be inhaled from the right side and exhaled from the lower side; or air is inhaled or exhaled from the bottom of the lower shell 100, the positions of the air inlets and the air outlets are determined according to the specific installation position of the case, and then the shape and the installation position of the partition plate 140 are determined.
[0036] As an implementation form, the partition plate 140 is connected with the left side wall and the right side wall of the lower shell 100, the partition plate 140 is in the shape of a cuboid, air is inhaled from the right side and exhaled from the left side; air can also be inhaled from the right side and exhaled from the lower side; or air is inhaled or exhaled from the bottom of the lower shell 100, the positions of the air inlets and the air outlets are determined according to the specific installation position of the case, and then the shape and the installation position of the partition plate 140 are determined. As an implementation form, the partition plate 140 is connected with the left side wall and the right side wall of the lower shell 100, the partition plate 140 is in the shape of a cuboid, air is inhaled from the right side and exhaled from the left side; air can also be inhaled from the right side and exhaled from the lower side; or air is inhaled or exhaled from the bottom of the lower shell 100, the positions of the air inlets and the air outlets are determined according to the specific installation position of the case, and then the shape and the installation position of the partition plate 140 are determined. As an implementation form, the partition plate 140 is connected with the left side wall and the right side wall of the lower shell 100, the partition plate 140 is in the shape of a cuboid, air is inhaled from the right side and exhaled from the left side; air can also be inhaled from the right side and exhaled from the lower side; or air is inhaled or exhaled from the bottom of the lower shell 100, the positions of the air inlets and the air outlets are determined according to the specific installation position of the case, and then the shape and the installation position of the partition plate 140 are determined.
[0037] In the embodiment, the partition plate 140 is coated with sealing glue at the connection with the PCB plate 130 and the lower shell 100, and the partition plate 140 is welded or screwed with the PCB plate 130 and the lower shell 100, and can also be fixed by using glue, so as to ensure the sealing and waterproof performance. The upper cover 200 is provided with a notch, the notch extends downward to form a control box 210, and the notch is provided with a control box cover 220. It should be further explained that other components can be used to achieve the above effects, which should belong to the inventive concept of the utility model and should belong to the protection scope of the utility model.
[0038] As an embodiment, the number of the fan 170 is two, one of which is located at the air inlet 121 and the other of which is located at the air outlet 122, and the fan 170 is an axial flow fan with good heat dissipation performance. The air inlet 121 and the air outlet 122 are both provided with a filter screen, and the through holes of the filter screen are provided with downwardly inclined water baffle plates to prevent dust and water.
[0039] Working principle: The entire air duct is inside the case, and an axial flow fan is placed inside the case, air is inhaled from the right side and exhaled from the left side, the main radiator (partition plate) is fixed on the PCB plate inside the box, the radiator and the PCB are partially filled with waterproof glue, the MOS tube is attached to the two sides of the extruded profile for heat dissipation, waterproof glue rings are used between the air inlets and outlets and the radiator, the control box and the top cover are integrally stretched and formed, the case is integrally stretched and formed, and waterproof glue rings are used between the case and the top cover. The fan 170 dissipates heat between the inductors in the partition plate 140, and the MOS tube in close contact with the partition plate 140 dissipates heat by contact, the case has the advantages of light weight, few parts, high waterproof quality, low price, low cost, small size and small space occupation.
[0040] Although the embodiments of the utility model have been disclosed as above, they are not limited to the application listed in the specification and the embodiments, and can be fully applied to various fields suitable for the utility model. For those skilled in the art, other modifications can be easily realized, and therefore the utility model is not limited to specific details and the drawings shown and described herein without departing from the general concept defined by the claims and the equivalent scope.
Claims
1. A waterproof heat-dissipating case, characterized in that: The application relates to a waterproof heat-dissipation machine case, which comprises a lower shell (100) and an upper cover (200), the lower shell (100) is in a top-opened shape, the upper cover (200) is installed on the top of the lower shell (100), and the lower shell (100) and the upper cover (200) form an inner space, a PCB board (130) is arranged on the inner bottom surface of the lower shell (100), a partition plate (140) is arranged on the PCB board (130), the partition plate (140) is in a bottom-opened shape and abuts against the inner wall of the lower shell (100), the partition plate (140) divides the inner space into a partition-plate-inner-space and a partition-plate-outer-space which are not communicated with each other, the partition-plate-inner-space is provided with electrical device two (160) and a fan (170), the electrical device two (160) is installed on the PCB board (130), the lower shell (100) is provided with an air inlet (121) and an air outlet (122) corresponding to the position of the partition plate (140), and when working, external air enters the partition-plate-inner-space through the air inlet (121), contacts the electrical device two (160) and then flows out from the air outlet (122).
2. The waterproof heat-dissipation case according to claim 1, characterized in that: The lower shell (100) comprises a bottom plate (110) and a side plate (120), the side plate (120) is fixed on the top surface of the bottom plate (110), the upper cover (200) is installed on the top surface of the side plate (120), the lower shell (100) is in a cuboid shape, and the side plate (120) is provided with a waterproof joint (123) which is communicated with the inner space.
3. The waterproof heat-dissipation case according to claim 1, characterized in that: The lower shell (100) and the upper cover (200) are connected through screwing or buckling, and a sealing ring is arranged between the lower shell (100) and the upper cover (200).
4. The waterproof heat-dissipation case according to claim 1, characterized in that: The partition plate (140) is connected with the left side wall and the right side wall of the lower shell (100), and the partition plate (140) is in a cuboid shape.
5. The waterproof heat-dissipation case according to claim 1, characterized in that: The partition-plate-outer-space is provided with electrical device one (150), the electrical device one (150) abuts against the outer wall of the partition plate (140), the electrical device one (150) comprises a MOS tube, and the electrical device two (160) comprises an inductor and / or a transformer.
6. The waterproof heat-dissipation case according to claim 1, characterized in that: Sealing glue is coated on the connecting position of the partition plate (140), the PCB board (130) and the lower shell (100), and the partition plate (140) is welded with the PCB board (130).
7. The waterproof heat-dissipation case according to claim 1, characterized in that: The upper cover (200) is provided with a notch, the notch extends downward to form a control box (210), and a control box cover (220) is arranged at the notch.
8. The waterproof heat-dissipation case according to claim 1, characterized in that: The number of the fans (170) is two, one of which is located at the air inlet (121) and the other is located at the air outlet (122), and the fans (170) are axial flow fans.
9. The waterproof heat-dissipation case according to claim 1, characterized in that: The air inlet (121) and the air outlet (122) are both provided with filter screens, and the through holes of the filter screens are provided with downwardly inclined water baffles.
10. The waterproof heat-dissipation case according to claim 1, characterized in that: The waterproof heat-dissipation machine case adopts a waterproof grade of IP54 or IP65.