Humidifier for fuel cell
By installing elastic components on the membrane tube of the fuel cell humidifier, the position of the membrane tube is variable, solving the problem of blockage caused by water vapor accumulation and improving the humidity increase efficiency.
Patent Information
- Application Number
- CN202420894743.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The inner membrane tube of existing fuel cell humidifiers is prone to aggregation due to the airflow circuit, resulting in water vapor blockage and affecting the humidity increase efficiency.
An elastic component is installed on the membrane tube to make the position of the membrane tube variable, thereby preventing water vapor from aggregating and improving humidity increase efficiency.
By changing the position of the membrane tube, water vapor is prevented from being blocked, the humidity increase efficiency of the humidifier is improved.
Smart Images
Figure CN222440627U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fuel cells, in particular to a humidifier for fuel cells. Background Art
[0002] A humidifier for a fuel cell is a device used to maintain an appropriate moisture level in a fuel cell system. A fuel cell needs to maintain a certain humidity to ensure the conductivity of the electrolyte membrane and the activity of the catalyst, so the humidifier plays a vital role in the fuel cell.
[0003] However, the membrane tube in the humidifier currently has the following problems: since the gas entering the inner shell of the humidifier will form an airflow loop in the shell, and then may gather in some areas of the inner shell, the membrane tube in the humidifier will often cause a certain blockage of water vapor. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a humidifier for a fuel cell. By installing an elastic component on the membrane tube, the distance between the membrane tubes will change, thereby preventing water vapor from gathering in the membrane tube, thereby improving the humidification efficiency of the humidifier.
[0005] The technical solution adopted by the utility model is as follows: The utility model provides a humidifier for a fuel cell, including a shell, a first cavity is provided in the shell, a first air inlet and a first air outlet are installed on the side wall of the shell, the first air inlet and the first air outlet are connected to the first cavity, a first end cover and a second end cover are respectively installed on both sides of the shell, the first end cover is provided with a second air outlet, the second end cover is provided with a second air inlet, a membrane tube assembly is installed in the first cavity, an elastic assembly is installed on the membrane tube assembly, a first partition is installed between the first end cover and the cavity, and a second partition is installed between the second end cover and the first cavity.
[0006] Furthermore, the membrane tube assembly includes a plurality of first membrane tubes installed between the first separator and the second separator.
[0007] Furthermore, a second cavity is disposed in the first end cover, a third cavity is disposed in the second end cover, and the first membrane tube is connected to the second cavity and the third cavity.
[0008] Furthermore, the elastic component includes a first support body mounted on the side wall of the first film tube, a first spring is mounted on the first support body, and a second support body is mounted on the first spring.
[0009] Furthermore, the second supports on the adjacent first membrane tubes in the first cavity are in contact with each other.
[0010] Furthermore, a first sealing gasket is installed between the first partition plate and the first end cover.
[0011] Furthermore, a second sealing gasket is installed between the second partition plate and the second end cover.
[0012] The beneficial effects achieved by the utility model using the above structure are as follows: the humidifier for a fuel cell provided by the present solution can change the position of the membrane tube at different positions in the first cavity by designing the membrane tube assembly and the elastic assembly, thereby preventing water vapor blockage caused by the membrane tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic diagram of the main structure of a humidifier for a fuel cell provided by the utility model;
[0014] Figure 2 A schematic diagram of the internal structure of a humidifier for a fuel cell provided by the utility model;
[0015] Figure 3 This is a diagram of the internal structure of the first end cover provided by the utility model;
[0016] Figure 4 This is a main structural diagram of the first membrane tube provided by the utility model;
[0017] Figure 5 for Figure 4 A partial enlarged view of part A in .
[0018] Among them, 1. shell, 101. first air inlet, 102. first air outlet, 2. first end cover, 201. second air inlet, 202. second air outlet, 3. second end cover, 4. membrane tube assembly, 401. first membrane tube, 5. elastic assembly, 501. first support body, 502. first spring, 503. second support body.
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention. Specific embodiment:
[0023] like Figure 1-Figure 5 As shown, the utility model provides a humidifier for a fuel cell, comprising a shell 1, wherein a first cavity is provided in the shell 1, a first air inlet 101 and a first air outlet 102 are mounted on the side wall of the shell 1, the first air inlet 101 and the first air outlet 102 are connected to the first cavity, a first end cover 2 and a second end cover 3 are mounted on both sides of the shell 1, a second air inlet 201 is mounted on the first end cover 2, a second air outlet 202 is mounted on the second end cover 3, a membrane tube assembly 4 is mounted in the first cavity, an elastic assembly 5 is mounted on the membrane tube assembly 4, a first partition is mounted between the first end cover 2 and the cavity, and a second partition is mounted between the second end cover 3 and the first cavity.
[0024] like Figure 2 As shown, the utility model provides a humidifier for a fuel cell, the membrane tube assembly 4 includes a plurality of first membrane tubes 401 installed between the first separator and the second separator.
[0025] like Figure 1 and Figure 2 As shown, the utility model provides a humidifier for a fuel cell, wherein the first end cover 2 is provided with a second cavity, the second end cover 3 is provided with a third cavity, and the first membrane tube 401 is connected to the second cavity and the third cavity.
[0026] like Figure 1 , Figure 2 and Figure 5 As shown, the utility model provides a humidifier for a fuel cell, the elastic component 5 includes a first support body 501 installed on the side wall of the first membrane tube 401, a first spring 502 is installed on the first support body 501, and a second support body 503 is installed on the first spring 502.
[0027] like Figure 1 and Figure 5 As shown, in the humidifier for a fuel cell provided by the utility model, the second supports 503 on the adjacent first membrane tubes 401 in the space within the first cavity are in contact with each other.
[0028] like Figure 2 and Figure 3 As shown, in the humidifier for a fuel cell provided by the utility model, a first sealing gasket is installed between the first separator and the first end cover 2 .
[0029] like Figure 2 and Figure 3 As shown, in the humidifier for a fuel cell provided by the utility model, a second sealing gasket is installed between the second separator and the second end cover 3 .
[0030] During specific use, the wet gas enters the shell 1 through the first air inlet 101, and the dry gas enters the first membrane tube 401 through the second air inlet 201, and then the dry air contacts the wet gas through the first membrane tube 401 to be humidified. At the same time, the wet gas continuously rotates in the shell 1, and the second support bodies 503 on the first membrane tube 401 at different positions contact each other. Under the action of the first spring 502, the first membrane tube 401 at different positions can produce relative displacement, and then the wet gas can move efficiently in the shell 1, and can fully contact the first membrane tube 401 to humidify the dry gas, and then the dry gas flows out through the second air outlet 202, and at the same time, the wet gas in the shell 1 flows out through the first air outlet 102.
[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A humidifier for a fuel cell, characterized in that: It includes a shell, a first cavity is provided in the shell, a first air inlet and a first air outlet are installed on the side wall of the shell, the first air inlet and the first air outlet are connected to the first cavity, a first end cover and a second end cover are installed on both sides of the shell, the second air inlet is installed on the first end cover, the second air outlet is installed on the second end cover, a membrane tube assembly is installed in the first cavity, an elastic assembly is installed on the membrane tube assembly, a first partition is installed between the first end cover and the cavity, and a second partition is installed between the second end cover and the first cavity.
2. A humidifier for a fuel cell according to claim 1, characterized in that: The membrane tube assembly includes a plurality of first membrane tubes installed between the first separator and the second separator.
3. A humidifier for a fuel cell according to claim 2, characterized in that: The first end cover is provided with a second cavity, the second end cover is provided with a third cavity, and the first membrane tube is connected to the second cavity and the third cavity.
4. A humidifier for a fuel cell according to claim 3, characterized in that: The elastic component comprises a first support body mounted on the side wall of the first film tube, a first spring is mounted on the first support body, and a second support body is mounted on the first spring.
5. A humidifier for a fuel cell according to claim 4, characterized in that: The second supports on the adjacent first film tubes in the first cavity are in contact with each other.
6. A humidifier for a fuel cell according to claim 5, characterized in that: A first sealing gasket is installed between the first partition plate and the first end cover.
7. A humidifier for a fuel cell according to claim 6, characterized in that: A second sealing gasket is installed between the second partition plate and the second end cover.