Air valve and fuel cell

Abstract

The air valve comprises a shell and a valve element assembly, the shell is provided with a first installation part and a plurality of switching parts, the first installation part is provided with an installation port, each switching part is provided with a switching port, the installation port and the switching ports are communicated with one another through an internal flow channel of the shell, and the valve element assembly is arranged in the shell. Each switching part communicates with the corresponding air pipeline through the corresponding switching port, the valve element assembly is fixedly arranged on the first mounting part, and at least part of the valve element assembly extends into the shell through the mounting port. Therefore, the shell of the air valve comprises the switching part used for being connected with the air pipeline, in the matched assembly process of the air valve and the air pipeline, the switching part is directly communicated with the corresponding air pipeline through the switching port, compared with a traditional air valve, the switching part is directly integrated on the shell of the air valve, and therefore a special switching head does not need to be arranged; therefore, the problems such as bolt loosening and breakage are avoided, and the reliability of a fuel cell system is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air valves, in particular to an air valve and a fuel cell. Background Art

[0002] The air flow path of the fuel cell system is mainly composed of air compressor, intercooler, humidifier, air valve and other components. Among them, the air valve, as an important part of the fuel cell system, can realize different functions in different positions. For example, the air valve can realize functions such as air diversion, back pressure or cutoff.

[0003] At present, the air valve of the fuel cell system is usually connected to the corresponding air pipeline by an adapter, and the air valve and the adapter are fixedly connected by bolts. In related technologies, in order to reduce the weight of the adapter, designers usually design it to be made of plastic. Therefore, in some vibration conditions, the bolts are prone to loosening or even breaking, thereby reducing the reliability of the fuel cell system. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the first purpose of the utility model is to provide an air valve, the housing of the air valve includes an adapter for connecting to an air pipeline, during the assembly process of the air valve and the air pipeline, the adapter is directly connected to the corresponding air pipeline through an adapter port, compared with a traditional air valve, the adapter is directly integrated on the housing of the air valve, so there is no need to set a special adapter, thereby avoiding problems such as bolt loosening and breaking, which is conducive to improving the reliability of the fuel cell system.

[0005] The second objective of the present invention is to provide a fuel cell.

[0006] In order to achieve the above-mentioned object, the first embodiment of the utility model provides an air valve, comprising:

[0007] The shell has a first mounting portion and a plurality of adapter portions, the first mounting portion has a mounting port, each adapter portion has an adapter port, the mounting port and the plurality of adapter ports are interconnected through an internal flow channel of the shell, and each adapter portion is connected to a corresponding air pipeline through the adapter port;

[0008] The valve core assembly is fixedly mounted on the first mounting portion, and at least a portion of the valve core assembly extends into the housing through the mounting opening.

[0009] According to the air valve of the embodiment of the utility model, the shell of the air valve includes an adapter part for connecting to the air pipeline. During the assembly process of the air valve and the air pipeline, the adapter part is directly connected to the corresponding air pipeline through the adapter interface. Compared with the traditional air valve, the adapter part is directly integrated on the shell of the air valve. Therefore, there is no need to set a special adapter, thereby avoiding problems such as loosening and breaking of bolts, which is beneficial to improving the reliability of the fuel cell system.

[0010] According to some examples of the utility model, multiple adapter parts include: a first adapter part and a second adapter part, the first adapter part has a first adapter interface and a first adapter channel connected to the first adapter interface, the second adapter part has a second adapter interface and a second adapter channel connected to the second adapter interface, and the valve core assembly selectively connects the first adapter channel and the second adapter channel.

[0011] According to some examples of the present invention, the first transfer channel includes a first sub-channel and a second sub-channel, and an angle is formed between the first sub-channel and the second sub-channel.

[0012] According to some examples of the present invention, the second transfer flow channel includes a third sub-flow channel and a fourth sub-flow channel, and an angle is formed between the third sub-flow channel and the fourth sub-flow channel.

[0013] According to some examples of the present invention, the valve core assembly has a second mounting portion, the first mounting portion has a first mounting plane, the second mounting portion has a second mounting plane arranged opposite to the first mounting plane, and the first mounting plane and the second mounting plane are suitable for being fixedly connected by fasteners.

[0014] According to some examples of the present invention, the second mounting portion has a mounting boss, and the mounting boss protrudes in a direction away from the second mounting plane.

[0015] According to some examples of the present invention, the further comprising: a sealing member, wherein the sealing member is arranged between the first mounting plane and the second mounting plane.

[0016] According to some examples of the present invention, the housing is an integrally formed part.

[0017] According to some examples of the present invention, the material of the housing is plastic.

[0018] In order to achieve the above-mentioned purpose, a second embodiment of the present invention provides a fuel cell, comprising the air valve in the first embodiment.

[0019] According to the fuel cell of the embodiment of the utility model, the air valve mentioned above is provided, and the shell of the air valve includes an adapter part for connecting to the air pipeline. During the assembly process of the air valve and the air pipeline, the adapter part is directly connected to the corresponding air pipeline through the adapter interface. Compared with the traditional air valve, the adapter part is directly integrated on the shell of the air valve. Therefore, there is no need to set a special adapter, thereby avoiding problems such as loosening and breaking of bolts, which is beneficial to improving the reliability of the fuel cell system.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an assembly diagram of an air valve according to an embodiment of the utility model.

[0022] Figure 2 It is a schematic diagram of a housing according to an embodiment of the utility model.

[0023] Figure 3 It is a schematic diagram of a valve core assembly according to an embodiment of the utility model.

[0024] Reference numerals:

[0025] Air valve 100;

[0026] Shell 1; first mounting portion 11; mounting opening 111; first mounting plane 112; first adapter portion 12; first adapter port 121; first adapter channel 122; first sub-channel 1221; second sub-channel 1222; second adapter portion 13; second adapter port 131; second adapter channel 132; third sub-channel 1321; fourth sub-channel 1322;

[0027] The valve core assembly 2 ; the second mounting portion 21 ; the second mounting plane 211 ; the mounting boss 212 ; the valve core 22 ; and the valve core bearing 23 . DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] It should be noted that traditional air valves in fuel cell systems are usually connected to corresponding air pipes using adapters, and the air valve and the adapter are fixedly connected by bolts. In related technologies, in order to reduce the weight of the adapter, designers usually design it to be made of plastic. Therefore, in some vibration conditions, the bolts are prone to loosening or even breaking, thereby reducing the reliability of the fuel cell system.

[0030] Based on this, the present application proposes an air valve 100, the shell 1 of which includes an adapter part for connecting to an air pipeline. During the assembly of the air valve 100 and the air pipeline, the adapter part is directly connected to the corresponding air pipeline through an adapter interface. Compared with the traditional air valve, the adapter part is directly integrated on the shell 1 of the air valve 100, so there is no need to set a special adapter, thereby avoiding problems such as loosening and breaking of bolts, which is beneficial to improving the reliability of the fuel cell system.

[0031] The air valve 100 and the fuel cell according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

[0032] like Figure 1-Figure 3 As shown, the air valve 100 according to the first embodiment of the utility model includes a housing 1 and a valve core assembly 2.

[0033] Among them, Figure 2 As shown, the housing 1 has a first mounting portion 11 and a plurality of adapter portions. For example, the number of the adapter portions can be 2, 3, 4, or 5, which is specifically determined according to the number of air pipelines connected to the air valve 100, and each adapter portion is connected to one air pipeline.

[0034] Furthermore, the first mounting portion 11 has a mounting port 111, and each adapter portion has an adapter port, wherein the mounting port 111 and the plurality of adapter ports are interconnected through the internal flow channel of the housing 1. When the valve core assembly 2 is assembled with the housing 1, the valve core assembly 2 is fixed to the first mounting portion 11, and at least a portion of the valve core assembly 2 extends into the housing 1 through the mounting port 111. Specifically, Figure 3 As shown, the valve core assembly 2 includes a valve core 22 and a valve core bearing 23, the valve core 22 is arranged on the valve core bearing 23, and the valve core bearing 23 is connected to the motor. During the assembly process of the valve core assembly 2 and the housing 1, the valve core bearing 23 and the valve core 22 are extended into the housing 1 through the installation port 111. It can be understood that when the valve core assembly 2 and the housing 1 are assembled, the valve core assembly 2 closes the installation port 111 to prevent air leakage from the installation port 111, and the motor can drive the valve core bearing 23 to rotate to drive the valve core 22 to open and close, thereby realizing the connection and disconnection between different transfer interfaces. It should be noted that using the valve core 22 in the air valve 100 to control the connection and disconnection between different transfer interfaces belongs to the prior art and will not be described in detail here.

[0035] Furthermore, the adapter portion of the shell 1 is used to connect with the corresponding air pipeline. Specifically, during the assembly process of the air valve 100 and the air pipeline, the adapter portion is directly connected to the corresponding air pipeline through the adapter interface. For example, the adapter portion and the air pipeline are directly connected with a clamp. The adapter portion has the function of diverting the air flow channel, that is, the air diversion function of the air valve 100 is realized. Compared with the traditional air valve, the air valve 100 of the present application directly integrates the adapter portion on the shell 1 of the air valve 100, so there is no need to set a special adapter, thereby avoiding problems such as loosening and breaking of bolts, which is beneficial to improving the reliability of the fuel cell system. According to the air valve 100 of the embodiment of the utility model, the shell 1 of the air valve 100 includes an adapter part for connecting to the air pipeline. During the assembly of the air valve 100 and the air pipeline, the adapter part is directly connected to the corresponding air pipeline through the adapter interface. Compared with the traditional air valve, the adapter part is directly integrated on the shell 1 of the air valve 100. Therefore, there is no need to set a special adapter, thereby avoiding problems such as loosening and breaking of bolts, which is beneficial to improving the reliability of the fuel cell system.

[0036] In some embodiments of the present invention, Figure 2 As shown, multiple adapter parts include: a first adapter part 12 and a second adapter part 13, the first adapter part 12 has a first adapter port 121 and a first adapter channel 122 connected to the first adapter port 121, the second adapter part 13 has a second adapter port 131 and a second adapter channel 132 connected to the second adapter port 131, and the valve core assembly 2 selectively connects the first adapter channel 122 and the second adapter channel 132.

[0037] Specifically, Figure 2As shown, the shell 1 is taken as an example to have a first adapter part 12 and a second adapter part 13. It is assumed that the first adapter part 12 is connected to the air inlet pipeline and the second adapter part 13 is connected to the air outlet pipeline. Specifically, the first adapter part 12 has a first adapter port 121 and a first adapter flow channel 122 connected to the first adapter port 121. The first adapter part 12 is connected to the air inlet pipeline through the first adapter port 121, so that the air in the air inlet pipeline can be transferred and guided to the first adapter flow channel 122. Furthermore, the second adapter part 13 has a second adapter port 131 and a second adapter flow channel 132 connected to the second adapter port 131. The second adapter part 13 is connected to the air outlet pipeline through the second adapter port 131. When the valve core assembly 2 makes the first adapter channel 122 and the second adapter channel 132 conductive, the air in the air outlet pipeline passes through the first adapter channel 122 and the second adapter channel 132 in turn and enters the air outlet pipeline, thereby realizing the air flow diversion function of the air valve 100. The first adapter part 12 and the second adapter part 13 are both part of the air valve 100 housing 1, and can be directly connected to the air outlet pipeline and the air inlet pipeline without setting a special adapter, thereby avoiding problems such as loosening and breaking of bolts, and is beneficial to improving the reliability of the fuel cell system.

[0038] In some embodiments of the present invention, Figure 2 As shown, the first switching channel 122 includes a first sub-channel 1221 and a second sub-channel 1222, and there is an angle between the first sub-channel 1221 and the second sub-channel 1222. In other words, the first switching channel 122 is composed of a first sub-channel 1221 and a second sub-channel 1222 with a certain angle, and the first sub-channel 1221 is connected to the second sub-channel 1222. The angle can be 45°, 90°, or 135°, which is specifically set according to the arrangement of the air pipeline and is not specifically limited here. Specifically, as Figure 2 As shown, the first sub-channel 1221 is connected to the first adapter port 121, and the first adapter portion 12 is connected to the air intake pipe via the first adapter port 121, so that the air in the air intake pipe can be directed to the first sub-channel 1221, and then directed from the first sub-channel 1221 to the second sub-channel 1222. In this way, the first adapter channel 122 is configured to achieve transfer and diversion.

[0039] In some embodiments of the present invention, Figure 2As shown, the second switching channel 132 includes a third sub-channel 1321 and a fourth sub-channel 1322, and there is an angle between the third sub-channel 1321 and the fourth sub-channel 1322. In other words, the second switching channel 132 is composed of the third sub-channel 1321 and the fourth sub-channel 1322 with a certain angle, and the third sub-channel 1321 and the fourth sub-channel 1322 are connected. The angle can be 45°, 90°, or 135°, which is specifically set according to the arrangement of the air pipeline and is not specifically limited here. Specifically, as Figure 2 As shown, the third sub-channel 1321 is connected to the second adapter port 131, and the second adapter part 13 is connected to the air outlet pipeline through the second adapter port 131. When the valve core assembly 2 makes the first adapter channel 122 and the second adapter channel 132 conductive, the air in the second sub-channel 1222 enters the fourth sub-channel 1322 and the third sub-channel 1321 in turn, and enters the air outlet pipeline from the second adapter port 131, thereby realizing the transfer and diversion of the second adapter channel 132. With such an arrangement, the air diversion function of the air valve 100 can be realized by the coordinated use of the first adapter channel 122 and the second adapter channel 132.

[0040] In some embodiments of the present invention, Figure 2 and Figure 3 As shown, the valve core assembly 2 has a second mounting portion 21, the first mounting portion 11 has a first mounting plane 112, the second mounting portion 21 has a second mounting plane 211 arranged opposite to the first mounting plane 112, and the first mounting plane 112 and the second mounting plane 211 are suitable for being fixedly connected by fasteners.

[0041] Specifically, refer to Figure 2 and Figure 3As shown, the first mounting portion 11 of the housing 1 has a first mounting plane 112, and the second mounting portion 21 of the valve core assembly 2 has a second mounting plane 211. The first mounting plane 112 and the second mounting plane 211 are arranged opposite to each other, wherein the second mounting plane 211 is provided with a valve core 22 and a valve core bearing 23. When the valve core assembly 2 is assembled with the housing 1, the valve core 22 and the valve core bearing 23 are extended into the housing 1, and the first mounting plane 112 and the second mounting plane 211 are abutted and fitted, and then the first mounting plane 112 and the second mounting plane 211 are fixedly connected together by fasteners. For example, the first mounting plane 112 and the second mounting plane 211 are each provided with a plurality of mounting holes, so that the first mounting plane 112 and the second mounting plane 211 can be fixedly connected together by tightening bolts. Such an arrangement facilitates the assembly of the valve core assembly 2 with the housing 1, which is conducive to improving the assembly efficiency, and the first mounting plane 112 and the second mounting plane 211 can also play a certain sealing role by mutually assembling to avoid air leakage at the mounting port 111. It should be noted that the bolt parameters can be selected based on the actual situation as long as the sealing requirements are met.

[0042] In some embodiments of the present invention, Figure 3 As shown, the second mounting portion 21 has a mounting boss 212, and the mounting boss 212 protrudes in a direction away from the second mounting plane 211. That is, the second mounting portion 21 is provided with a protruding mounting boss 212 in a direction away from the second mounting plane 211. When the second mounting plane 211 is provided with a mounting hole, the mounting boss 212 can reserve a certain installation space for the tightening assembly of the bolt, so that the bolt is conveniently installed near the mounting boss 212, and the bolt is prevented from interfering with the valve core assembly 2 during installation.

[0043] In some embodiments of the utility model, it also includes: a sealing member, which is arranged between the first mounting plane 112 and the second mounting plane 211. That is to say, during the assembly process of the valve core assembly 2 and the housing 1, a sealing member is installed on the first mounting plane 112 and the second mounting plane 211. Optionally, the sealing member can be a rubber sealing member, or a sealant can be applied between the first mounting plane 112 and the second mounting plane 211. After the sealant solidifies, the seal between the two is ensured. Such an arrangement can further improve the sealing degree of the first mounting plane 112 and the second mounting plane 211, and further prevent the installation port 111 from leaking.

[0044] In some embodiments of the present invention, the housing 1 is an integrally formed part. That is, the housing 1 can be constructed as an integrally formed part. Specifically, the housing 1 can be integrally cast or integrally injection molded. Setting the housing 1 as an integrally formed part can simplify the connection process and reduce assembly time. At the same time, the mold design can be performed according to actual needs, which is convenient for mass production and helps to reduce production costs.

[0045] In some embodiments of the utility model, the material of the housing 1 is plastic. It should be noted that in order to prevent the bolts from loosening and breaking, the material of the adapter is replaced with metal in the traditional air valve, but this will increase the weight of the fuel cell system and increase the processing and manufacturing costs. Based on this, the air valve 100 in the present application integrates the adapter on the housing 1. Since the air valve 100 and the adapter are no longer bolted, plastic material can be used, which is beneficial to reduce the weight and cost of the air valve 100.

[0046] The fuel cell according to the second embodiment of the utility model includes the air valve 100 in the first embodiment.

[0047] According to the fuel cell of the embodiment of the utility model, the above-mentioned air valve 100 is provided, and the shell 1 of the air valve 100 includes an adapter part for connecting to the air pipeline. During the assembly process of the air valve 100 and the air pipeline, the adapter part is directly connected to the corresponding air pipeline through the adapter interface. Compared with the traditional air valve, the adapter part is directly integrated on the shell 1 of the air valve 100, so there is no need to set a special adapter, thereby avoiding problems such as loosening and breaking of bolts, which is beneficial to improving the reliability of the fuel cell system.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. An air valve (100), characterized in that: include: A housing (1), the housing (1) comprising a first mounting portion (11) and a plurality of adapter portions, the first mounting portion (11) comprising a mounting port (111), each of the adapter portions comprising an adapter port, the mounting port (111) and the plurality of adapter ports being interconnected via an internal flow channel of the housing (1), and each of the adapter portions being connected to a corresponding air pipeline via the adapter port; A valve core assembly (2), wherein the valve core assembly (2) is fixedly mounted on the first mounting portion (11), and at least a portion of the valve core assembly (2) extends into the housing (1) through the mounting opening (111).

2. The air valve (100) according to claim 1, characterized in that: The plurality of adapter parts include: a first adapter part (12) and a second adapter part (13); the first adapter part (12) has a first adapter port (121) and a first adapter channel (122) connected to the first adapter port (121); the second adapter part (13) has a second adapter port (131) and a second adapter channel (132) connected to the second adapter port (131); the valve core assembly (2) selectively conducts the first adapter channel (122) and the second adapter channel (132).

3. The air valve (100) according to claim 2, characterized in that: The first transfer channel (122) comprises a first sub-channel (1221) and a second sub-channel (1222), and an angle is formed between the first sub-channel (1221) and the second sub-channel (1222).

4. The air valve (100) according to claim 2, characterized in that: The second switching flow channel (132) comprises a third sub-flow channel (1321) and a fourth sub-flow channel (1322), and an angle is formed between the third sub-flow channel (1321) and the fourth sub-flow channel (1322).

5. The air valve (100) according to claim 1, characterized in that: The valve core assembly (2) has a second mounting portion (21), the first mounting portion (11) has a first mounting plane (112), the second mounting portion (21) has a second mounting plane (211) arranged opposite to the first mounting plane (112), and the first mounting plane (112) and the second mounting plane (211) are suitable for being fixedly connected by fasteners.

6. The air valve (100) according to claim 5, characterized in that: The second mounting portion (21) has a mounting boss (212), and the mounting boss (212) protrudes in a direction away from the second mounting plane (211).

7. The air valve (100) according to claim 5, characterized in that: Also includes: A sealing member is provided between the first mounting plane (112) and the second mounting plane (211).

8. The air valve (100) according to any one of claims 1 to 7, characterized in that: The housing (1) is an integrally formed part.

9. The air valve (100) according to any one of claims 1 to 7, characterized in that: The material of the housing (1) is plastic.

10. A fuel cell, characterized in that: It comprises an air valve (100) according to any one of claims 1-9.

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