Dehumidifying device and inverter

Abstract

The utility model discloses a dehumidifier and inverter, dehumidifier includes: main part has dehumidification chamber and through -hole, through -hole with dehumidification chamber intercommunication, waterproof air -permeable membrane is connected in the main part, and waterproof air -permeable membrane is used for closing through -hole. The dehumidifier of the utility model can effectively avoid liquid water to flow out.

Description

Technical Field

[0001] This utility model relates to the field of inverter technology, and in particular to a dehumidification device and an inverter. Background Technology

[0002] In related technologies, high-power power electronic systems generate heat during operation, such as high-power inverters. When an inverter shuts down, its temperature drops suddenly. In some cases, due to high humidity in the surrounding environment, moisture condenses on the circuit board terminal blocks, leading to decreased insulation, short circuits, or corrosion. To address these issues, a dehumidification device is typically installed to remove moisture.

[0003] Furthermore, a dehumidifier can dehumidify the inverter. However, in some cases, condensed liquid water may enter the inverter and damage it. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a dehumidification device that can effectively prevent liquid water from flowing out.

[0005] This utility model also proposes an inverter.

[0006] The dehumidification device according to a first aspect embodiment of the present invention includes:

[0007] The main body has a dehumidification chamber and a through hole, wherein the through hole and the dehumidification chamber are connected;

[0008] A waterproof and breathable membrane is attached to the main body and is used to seal the through holes.

[0009] The dehumidification device according to the embodiments of this utility model has at least the following beneficial effects: the main body of the dehumidification device has a dehumidification chamber and a through hole, wherein a waterproof and breathable membrane can be connected to the main body, and the waterproof and breathable membrane is used to seal the through hole. After the waterproof and breathable membrane seals the through hole, it only allows gaseous water to enter and flow out. When the gaseous water is cooled into liquid water, the waterproof and breathable membrane can effectively prevent liquid water in the dehumidification chamber from flowing out, thus preventing liquid water from damaging the inverter. Specifically, the dehumidification device can effectively prevent liquid water from flowing out.

[0010] According to some embodiments of the present invention, the dehumidification device further includes a baffle plate with dustproof holes, the baffle plate is connected to the main body, and the two sides of the waterproof and breathable membrane are respectively connected to the baffle plate and the main body.

[0011] According to some embodiments of the present invention, the dehumidification device further includes a refrigeration component and a condenser component, wherein the condenser component is disposed at the top of the dehumidification chamber and the refrigeration component is connected to the condenser component.

[0012] According to some embodiments of the present invention, the dehumidification device further includes a heat dissipation component connected to the side of the refrigeration component away from the condenser component.

[0013] According to some embodiments of the present invention, the dehumidification device further includes a heat insulation component located between the heat dissipation component and the condensation component.

[0014] According to some embodiments of the present invention, the dehumidification device further includes a blower for blowing air onto the heat dissipation component.

[0015] According to some embodiments of the present invention, the dehumidification device further includes a drain valve located at the bottom of the dehumidification chamber, and the drain valve is used to drain liquid.

[0016] According to some embodiments of the dehumidification device of the present invention, multiple through holes and multiple waterproof and breathable membranes are provided, with each waterproof and breathable membrane corresponding to one through hole.

[0017] According to some embodiments of the present invention, in the dehumidification device, a plurality of the through holes are arranged around the center of the dehumidification chamber.

[0018] The inverter according to a second aspect embodiment of the present invention includes the dehumidification device described in any one of the first aspect embodiments.

[0019] The inverter according to the embodiments of this utility model has at least the following beneficial effects: the main body of the dehumidification device has a dehumidification chamber and a through hole, wherein a waterproof and breathable membrane can be connected to the main body, and the waterproof and breathable membrane is used to seal the through hole. After the waterproof and breathable membrane seals the through hole, it only allows gaseous water to enter and flow out. When the gaseous water is cooled into liquid water, the waterproof and breathable membrane can effectively prevent liquid water in the dehumidification chamber from flowing out, thus preventing liquid water from damaging the inverter. Specifically, the dehumidification device can effectively prevent liquid water from flowing out. Furthermore, the inverter with this dehumidification device is not easily damaged, thus having a longer service life.

[0020] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0022] Figure 1 This is a schematic diagram of a dehumidification device according to some embodiments of the present invention;

[0023] Figure 2 This is an exploded schematic diagram of a dehumidification device according to some embodiments of the present invention;

[0024] Figure 3 This is a cross-sectional schematic diagram of a dehumidification device according to some embodiments of the present invention.

[0025] Figure label:

[0026] Dehumidifier 10, main body 100, dehumidification chamber 110, through hole 120, waterproof and breathable membrane 200, baffle 300, refrigeration component 400, condenser component 500, heat dissipation component 600, heat insulation component 700, blower component 800, drain valve 900. Detailed Implementation

[0027] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] In related technologies, high-power power electronic systems generate heat during operation, such as high-power inverters. When an inverter shuts down, its temperature drops suddenly. In some cases, due to high humidity in the surrounding environment, moisture condenses on the circuit board terminal blocks, leading to insulation degradation, short circuits, or corrosion. To address these issues, a dehumidification device 10 is typically installed to remove moisture.

[0033] Furthermore, the dehumidifier 10 can dehumidify the inverter. However, in some cases, condensed liquid water may enter the inverter and damage it. Therefore, this application proposes a dehumidifier 10.

[0034] In some embodiments, the dehumidifier 10 includes a main body 100 and a waterproof and breathable membrane 200. The main body 100 has a dehumidification chamber 110 and a through hole 120, which communicates with the dehumidification chamber 110. The main body 100 can be a shell, which may include two parts, such as an upper shell and a lower shell. The upper shell has one half-cavity, and the lower shell has one half-cavity. After the upper shell and the lower shell are connected, the two half-cavities merge into one dehumidification chamber 110. The upper shell and the lower shell can be connected by bolts, or they can be connected by snap-fit. When the upper shell and the lower shell are connected, a sealing ring can also be provided between them to improve the sealing performance of the main body 100. The through hole 120 is mainly used to allow gaseous water vapor outside the dehumidification chamber 110 to enter. After the gaseous water vapor enters the dehumidification chamber 110, it can be condensed into liquid water by the combined action of the condenser 500 and the refrigeration unit 400, thereby achieving the dehumidification effect. The shape of the through hole 120 is not specifically limited; the shape of the through hole 120 can be a square, rectangle, triangle, pentagon, circle, or ellipse.

[0035] A waterproof and breathable membrane 200 is connected to the main body 100 and is used to seal the through hole 120. Specifically, the main body 100 of the dehumidification device 10 has a dehumidification chamber 110 and a through hole 120. The waterproof and breathable membrane 200 can be connected to the main body 100 and is used to seal the through hole 120. After the waterproof and breathable membrane 200 seals the through hole 120, it only allows gaseous water to enter and flow out. When the gaseous water is cooled into liquid water, the waterproof and breathable membrane 200 can effectively prevent liquid water in the dehumidification chamber 110 from flowing out, thus preventing liquid water from damaging the inverter. Specifically, the dehumidification device 10 can effectively prevent liquid water from flowing out.

[0036] Furthermore, the waterproof and breathable membrane 200 can be made of E-PTFE membrane, also known as expanded polytetrafluoroethylene (PTFE) membrane. Expanded PTFE membrane is a microporous film formed from polytetrafluoroethylene (PTFE) through a special process, with a pore size typically ranging from 0.02 to 10 micrometers and a porosity of 90% to 97%. This structure gives it both waterproof and breathable properties, while allowing water vapor to pass through. Specifically, the waterproof and breathable membrane 200 only allows gaseous water to enter and exit; that is, gaseous water with higher moisture content can enter the dehumidification chamber 110, and gaseous water with lower moisture content can exit the dehumidification chamber 110. Liquid water cannot enter or exit the dehumidification chamber 110. In addition, whether the dehumidification device 10 is moving or stationary, the waterproof and breathable membrane 200 effectively prevents liquid water from entering and exiting.

[0037] Furthermore, in some embodiments, the dehumidification device 10 further includes a baffle 300, which has dustproof holes. The baffle 300 is connected to the main body 100, and the two sides of the waterproof and breathable membrane 200 are respectively connected to the baffle 300 and the main body 100. Specifically, the baffle 300 can be made of plastic or metal, and the metal material can be iron, stainless steel, copper, or aluminum, etc. The number of dustproof holes is not specifically limited; there can be multiple dustproof holes, such as two, three, four, ten, twenty, thirty, fifty, or one hundred, etc. The baffle 300 can protect the waterproof and breathable membrane 200. That is, the waterproof and breathable membrane 200 is relatively fragile and easily damaged by sharp objects. After the baffle 300 is set, it can protect the waterproof and breathable membrane 200. In addition, after the dustproof holes are set on the baffle 300, the baffle 300 will not affect the entry of water vapor into the dehumidification chamber 110. Furthermore, when installing the waterproof and breathable membrane 200 and the baffle 300, the waterproof and breathable membrane 200 can be used to cover the through hole 120 first, and then the baffle 300 can be placed on the waterproof and breathable membrane 200 and fixed to the main body 100 with bolts.

[0038] Further, the following describes how the dehumidification device 10 performs dehumidification. In some embodiments, the dehumidification device 10 also includes a cooling element 400 and a condenser element 500. The condenser element 500 is disposed at the top of the dehumidification chamber 110, and the cooling element 400 is connected to the condenser element 500. Specifically, the cooling element 400 can be a semiconductor cooling element 400, which is a solid-state active cooling device based on the Peltier effect, achieving directional heat transfer through direct current drive. That is, after being energized, one end of the cooling element 400 has a lower temperature, which can be conducted to the thermally connected condenser element 500. After water vapor enters the dehumidification chamber 110, it encounters the condenser element 500 and condenses into liquid water droplets that fall to the bottom of the dehumidification chamber 110, thus dehumidifying the surrounding environment. The condenser element 500 may be provided with several fins, which are spaced apart. The surface of the fins can be coated with a hydrophobic coating, the fin spacing is ≥2.5mm, and the fins can be designed to be tilted at an angle of ≥15°, which can facilitate water flow and prevent frost formation.

[0039] Furthermore, when the aforementioned cooling component 400 is in operation, it includes a hot end and a cold end. Since the hot end has a higher temperature, heat dissipation is required. Specifically, in some embodiments, the dehumidification device 10 further includes a heat sink 600 connected to the side of the cooling component 400 away from the condenser 500. The heat sink 600 can dissipate heat from the cooling component 400. Specifically, the heat sink 600 includes several outwardly extending fins, which are spaced and staggered. This disperses and dissipates the heat generated at the hot end of the semiconductor cooling component 400, improving heat dissipation efficiency. The material of the fins is not specifically limited; that is, the fins can be aluminum fins or copper fins. When the fins are aluminum fins, they are low in cost and lightweight. When the fins are copper fins, the heat dissipation effect is better. In addition, the dehydrated air can flow through the waterproof and breathable membrane 200 through the heat sink 600 and out of the dehumidification chamber 110, absorbing heat and becoming dry, warm air, preventing a sudden drop in temperature.

[0040] Furthermore, it is conceivable that the area of ​​the cooling component 400 is smaller than the area of ​​the condenser component 500, and the area of ​​the cooling component 400 is smaller than the area of ​​the heat dissipation component 600. The cooling component 400 is located between the condenser component 500 and the heat dissipation component 600. Due to the smaller area of ​​the cooling component 400, this would cause the condenser component 500 and the heat dissipation component 600 to come into contact, thereby reducing condensation efficiency. Therefore, a heat insulation component 700 can be used to separate the condenser component 500 and the heat dissipation component 600. Specifically, in some embodiments, the dehumidification device 10 further includes a heat insulation component 700, which is located between the heat dissipation component 600 and the condenser component 500. The heat insulation component 700 can be provided with a placement hole, in which the cooling component 400 is placed. Both sides of the heat insulation component 700 contact the heat dissipation component 600 and the condenser component 500 respectively, thus achieving a heat insulation effect. The material of the heat insulation component 700 can be silicone.

[0041] Furthermore, in some embodiments, the dehumidification device 10 further includes a blower 800 for blowing air onto the heat sink 600. Specifically, the blower 800 may be a fan, which can drive gas flow to improve heat exchange efficiency.

[0042] Furthermore, in some embodiments, the dehumidifier 10 also includes a drain valve 900, located at the bottom of the dehumidification chamber 110, for draining liquid. Specifically, when water vapor encounters the condenser 500 and is condensed into liquid water, water accumulates at the bottom of the dehumidification chamber 110. Therefore, the drain valve 900 can drain the accumulated water at the bottom, preventing the ground from being constantly wet. The drain valve 900 can be of various types, such as mechanical valves, which include float type, diaphragm type, and gravity-spring composite type. In the float type, when the liquid level rises and the float is lifted, the lever can open the valve, thereby draining the liquid from the dehumidification chamber 110. In the diaphragm type, the liquid pressure squeezes the diaphragm, opening the valve, and then the spring returns to its original position. In the gravity-spring composite type, when the weight of the liquid is greater than the preload of the spring, the valve opens, and the liquid can be drained. For example, when the water level in the dehumidification chamber 110 is ≥12-17g, the drain valve 900 automatically drains the water. The electronic system primarily uses sensors, controllers, and solenoid valves working together. For instance, when the sensor detects that the water level has reached a preset value, the controller can open the solenoid valve, thereby draining the liquid from the dehumidification chamber 110. When the drain valve 900 is draining liquid, a pipe can be connected below it to allow liquid water to exit the dehumidification chamber 110.

[0043] Furthermore, in some embodiments, multiple through holes 120 and waterproof breathable membranes 200 are provided, with each waterproof breathable membrane 200 corresponding to one through hole 120. Specifically, there can be two, three, four, five, or six through holes 120, etc. Multiple through holes 120 can improve the dehumidification efficiency of the dehumidification device 10, allowing more water vapor to enter the dehumidification chamber 110. It is conceivable that in some embodiments, the number of baffles 300 is also multiple, with each baffle 300 corresponding to one waterproof breathable membrane 200.

[0044] Furthermore, in some embodiments, a plurality of through holes 120 are arranged around the center of the dehumidification chamber 110. Specifically, the arrangement of the plurality of through holes 120 around the center of the dehumidification chamber 110 facilitates processing. In addition, this arrangement is reasonable, and the horizontal placement of the main body 100 reduces the demand on the internal space of the cabinet and improves the space utilization of the cabinet.

[0045] In some embodiments, the inverter includes a dehumidification device 10 as described in any of the above embodiments. Specifically, the main body 100 of the dehumidification device 10 has a dehumidification chamber 110 and a through hole 120. A waterproof and breathable membrane 200 can be connected to the main body 100, and the waterproof and breathable membrane 200 is used to seal the through hole 120. After the waterproof and breathable membrane 200 seals the through hole 120, it only allows gaseous water to enter and flow out. When the gaseous water is cooled into liquid water, the waterproof and breathable membrane 200 can effectively prevent the liquid water in the dehumidification chamber 110 from flowing out, thus preventing liquid water from damaging the inverter. Specifically, the dehumidification device 10 can effectively prevent liquid water from flowing out. Furthermore, the inverter with this dehumidification device 10 is not easily damaged, thus having a longer service life. In addition, the dehumidification device 10 can effectively reduce the humidity inside the cabinet. Moreover, the usable space inside the cabinet is limited, and the dehumidification device 10 is small in size and does not take up much space. Moisture in the air condenses into water after entering the dehumidification chamber 110, and is then drained out of the cabinet in a measured amount through the water pipe, thereby achieving a good dehumidification effect in the small environment inside the cabinet and ensuring the safe operation of the circuits inside the cabinet.

[0046] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof can be combined with each other unless otherwise specified.

Claims

1. A dehumidification device, characterized in that, include: The main body has a dehumidification chamber and a through hole, wherein the through hole and the dehumidification chamber are connected; A waterproof and breathable membrane is attached to the main body, and the waterproof and breathable membrane is used to seal the through holes; The dehumidification device also includes a baffle with dustproof holes. The baffle is connected to the main body, and the two sides of the waterproof and breathable membrane are respectively connected to the baffle and the main body.

2. The dehumidification device according to claim 1, characterized in that, The dehumidification device further includes a refrigeration component and a condenser component. The condenser component is disposed at the top of the dehumidification chamber, and the refrigeration component is connected to the condenser component.

3. The dehumidification device according to claim 2, characterized in that, The dehumidification device also includes a heat dissipation component, which is connected to the side of the refrigeration component away from the condenser component.

4. The dehumidification device according to claim 3, characterized in that, The dehumidification device also includes a heat insulation component, which is located between the heat dissipation component and the condensation component.

5. The dehumidification device according to claim 3, characterized in that, The dehumidification device also includes a blower for blowing air onto the heat dissipation component.

6. The dehumidification device according to claim 2, characterized in that, The dehumidification device also includes a drain valve located at the bottom of the dehumidification chamber, which is used to drain liquid.

7. The dehumidification device according to claim 1, characterized in that, Both the through holes and the waterproof and breathable membrane are provided in multiple ways, with each waterproof and breathable membrane corresponding to one of the through holes.

8. The dehumidification device according to claim 7, characterized in that, Multiple through holes are arranged around the center of the dehumidification chamber.

9. An inverter, characterized in that, Includes the dehumidification device as described in any one of claims 1 to 8.

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