Fuel cell engine and air inlet pipeline structure thereof
By integrating the coolant inlet and outlet pipes into the inlet pipes and integrating the sensor fixed position, the problems of low space utilization efficiency and high maintenance costs in the fuel cell engine are solved, and higher space efficiency and integration are achieved.
Patent Information
- Application Number
- CN202323668960.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The intake pipes of existing fuel cell engines are independently set up with the coolant inlet and outlet pipes, resulting in low efficiency of internal space utilization, affecting the lightweight product, and increasing maintenance costs.
The coolant inlet and outlet pipe is integrated into the air inlet pipe, fixed to the substrate through the mounting seat, the air inlet pipe is connected to the air compressor, and the coolant inlet and outlet pipe group is arranged in parallel in the air inlet pipe to avoid interference, and integrate the sensor fixing position to improve the Integration degree.
It improves the internal space utilization efficiency of fuel cell engines, reduces the distribution of individual parts, reduces maintenance costs, and enhances the integration of the intake pipes.
Smart Images
Figure CN222168444U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fuel cell engines, in particular to a fuel cell engine and an air intake pipeline structure thereof. Background Art
[0002] A fuel cell engine is an engine system that converts chemical energy from hydrogen and oxygen into electrical energy through an electrochemical reaction. It typically includes a fuel cell stack, a gas distribution and recovery system, a heat dissipation and humidification system, a monitoring and control system, a hydrogen safety system, an auxiliary power supply, and an electrical energy output system. It can be used as a driving power source and auxiliary power source for vehicles, aerospace, and underwater devices. Currently, fuel cell engines use an air compressor to supply high-pressure gas, which is compressed and transported through an intake duct. However, current intake ducts are generally independent and easily interfere with the coolant supply ducts for the air compressor. This requires more space for piping, which takes up the internal space of the fuel cell engine, affects the efficiency of the internal space utilization of the fuel cell engine, and is not conducive to product lightweighting. Utility Model Content
[0003] The purpose of the utility model is to provide a fuel cell engine and its intake duct structure, which does not require other space to accommodate the coolant inlet and outlet pipes, thereby ensuring the internal space utilization efficiency of the fuel cell engine. On the other hand, it also makes the integration of the intake duct higher, reduces the distribution of separate parts, and reduces maintenance costs.
[0004] In order to achieve the above-mentioned object, the present invention provides an intake duct structure for a fuel cell engine, comprising:
[0005] An air intake pipe, wherein a mounting seat is provided on the air intake pipe;
[0006] A coolant inlet and outlet pipe group is integrally formed on the air intake pipe.
[0007] Compared with the prior art, the intake duct structure of a fuel cell engine in an embodiment of the present utility model has the following beneficial effects: the intake duct is connected to the air compressor of the fuel cell engine for conveying high-pressure gas, and the coolant inlet and outlet ducts are integrated into the intake duct and will not interfere with the intake duct. There is no need to free up other space to accommodate the coolant inlet and outlet ducts, thereby ensuring the internal space utilization efficiency of the fuel cell engine. On the other hand, it also makes the integration of the intake duct higher, reduces the distribution of separate parts, and reduces maintenance costs.
[0008] In the air intake pipe structure of the fuel cell engine of the embodiment of the present utility model, the coolant inlet and outlet pipe group includes a coolant inlet pipe and a coolant outlet pipe arranged in parallel with each other.
[0009] In the air intake pipe structure of the fuel cell engine of the embodiment of the present utility model, the coolant inlet pipe and the coolant outlet pipe are both arranged in parallel with the air intake pipe.
[0010] In the intake pipe structure of the fuel cell engine of the embodiment of the present utility model, a first connecting portion is provided between the coolant inlet pipe and the coolant outlet pipe.
[0011] In the air intake duct structure of the fuel cell engine according to the embodiment of the present utility model, a first groove is provided in the first connecting portion.
[0012] In the air intake pipe structure of the fuel cell engine of the embodiment of the present utility model, the air intake pipe is provided with a second connecting portion connected to the coolant inlet and outlet pipe group.
[0013] In the intake duct structure of the fuel cell engine according to the embodiment of the present utility model, a second groove is formed on the second connecting portion.
[0014] In the intake duct structure of the fuel cell engine of the embodiment of the present invention, a sensor fixing position is integrally formed on the intake duct, and the sensor fixing position includes a groove recessed toward the direction of the intake duct.
[0015] In the intake duct structure of the fuel cell engine according to the embodiment of the present invention, the sensor fixing position includes a first slot for fixing the pressure sensor and a second slot for fixing the air flow meter.
[0016] The present utility model also provides a fuel cell engine, comprising a substrate, an air compressor and the air intake duct structure described in any one of the above embodiments, wherein the air intake duct is fixed to the substrate through the mounting base, the inlet of the air intake duct is connected to the outlet of the air compressor, and the coolant inlet and outlet pipe group is used to provide coolant to the air compressor.
[0017] Compared with the prior art, the fuel cell engine of the embodiment of the present utility model has the following beneficial effects: the fuel cell engine fixes the air compressor and the air intake pipe structure through a base plate, the air intake pipe is connected to the air compressor of the fuel cell engine for conveying high-pressure gas, the coolant inlet and outlet pipe group is used to provide coolant to the air compressor, the coolant inlet and outlet pipes are integrated into the air intake pipe and will not interfere with the air intake pipe. There is no need to free up other space to accommodate the coolant inlet and outlet pipes, thereby ensuring the internal space utilization efficiency of the fuel cell engine. On the other hand, it also makes the integration of the air intake pipe higher, reduces the distribution of separate parts, and reduces maintenance costs.
[0018] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 Schematic diagram of the intake duct structure of a fuel cell engine according to an embodiment of the present invention;
[0020] Figure 2 This is a partial structural diagram of a fuel cell engine according to an embodiment of the present utility model;
[0021] In the figure, 1. Air intake pipe; 21. Coolant inlet pipe; 22. Coolant outlet pipe; 2. Coolant inlet and outlet pipe group; 3. First connecting part; 31. First slot; 4. Second connecting part; 41. Second slot; 5. Sensor fixing position; 51. First fixing position; 52. Second fixing position; 6. Air compressor; 7. Base plate. DETAILED DESCRIPTION
[0022] The following describes embodiments of the present invention in detail. 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 intended only to explain the present invention and are not to be construed as limiting the present invention.
[0023] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They 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 orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.
[0024] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.
[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0026] like Figure 1 and Figure 2As shown, an intake duct structure of a fuel cell engine in a preferred embodiment of the present invention includes an intake duct 1 and a coolant inlet and outlet pipe group 2. The intake duct 1 is connected to the air compressor 6 of the fuel cell engine for conveying high-pressure gas. A mounting seat 11 is provided on the intake duct 1, and screw holes are provided on the mounting seat 11 for fixing the intake duct 1 in the fuel cell engine by bolts; the coolant inlet and outlet pipe group 2 is also connected to the air compressor 6 for providing coolant to the air compressor 6. The coolant inlet and outlet pipe group 2 is integrally formed on the intake duct 1 and will not interfere with the intake duct 1. There is no need to free up other space to accommodate the coolant inlet and outlet pipes, which ensures the internal space utilization efficiency of the fuel cell engine. On the other hand, it also makes the integration of the intake duct 1 higher, reduces the distribution of separate parts, and reduces maintenance costs.
[0027] In some embodiments of the present invention, the coolant inlet and outlet pipe assembly 2 includes a coolant inlet pipe 21 and a coolant outlet pipe 22 arranged in parallel with each other. The coolant inlet pipe 21 is used to input coolant into the air compressor 6, and the coolant outlet pipe 22 is used to receive coolant cooled in the air compressor 6. The coolant inlet pipe 21 and the coolant outlet pipe 22 are both fixed to the air intake pipe 1, making the air intake pipe 1 more integrated. The parallel arrangement of the coolant inlet pipe 21 and the coolant outlet pipe 22 minimizes space usage and does not affect each other, further optimizing the spatial arrangement within the fuel cell generator.
[0028] In some embodiments of the present invention, the coolant inlet pipe 21 and the coolant discharge pipe 22 are both arranged parallel to the air intake pipe 1. The coolant inlet pipe 21 and the coolant discharge pipe 22 arranged parallel to the air intake pipe 1 optimize the space occupancy of the three, ensure the space utilization rate at the air intake pipe 1, and further optimize the space layout within the fuel cell generator; the coolant inlet pipe 21, the coolant discharge pipe 22 and the air intake pipe 1 are arranged at a certain distance from each other, and heat transfer will not occur to each other, causing heat exchange failure.
[0029] In some embodiments of the present invention, a first connecting portion 3 is provided between the coolant inlet pipe 21 and the coolant outlet pipe 22, and both ends of the first connecting portion 3 are fixedly connected to the coolant inlet pipe 21 and the coolant outlet pipe 22, respectively, integrating the coolant inlet pipe 21 and the coolant outlet pipe 22 together, further stabilizing the structure of the coolant inlet pipe 21 and the coolant outlet pipe 22, making the fixation of the two more secure and the structure more stable.
[0030] In some embodiments of the present invention, a first slot 31 is provided in the first connecting portion 3. The provision of the first slot 31 enables the first connecting portion 3 to save the material required for manufacturing the first connecting portion 3 while ensuring the fixing effect, thereby improving the economy of the coolant inlet and outlet pipe group 2 and saving the manufacturing cost of the fuel cell engine.
[0031] In some embodiments of the present invention, a second connecting portion 4 connected to the coolant inlet and outlet pipe group 2 is provided on the air intake pipe 1, and the two ends of the second connecting portion 4 are fixedly connected to the coolant inlet and outlet pipe group 2 and the air intake pipe 1 respectively, integrating the coolant inlet and outlet pipe group 2 and the air intake pipe 1 together, further stabilizing the structure of the coolant inlet and outlet pipe group 2 and the air intake pipe 1, making the fixation of the two more secure, and improving the overall structural stability of the device.
[0032] In some embodiments of the present invention, a second groove 41 is provided on the second connecting part 4. The setting of the second groove 41 saves the material required for manufacturing the second connecting part 4 while ensuring the fixing effect, thereby improving the economy of the intake pipe 1 and saving the manufacturing cost of the fuel cell engine.
[0033] In some embodiments of the present invention, a sensor mounting position 5 is integrally formed on the intake duct 1. The sensor mounting position 5 comprises a recessed slot facing the intake duct 1. The sensor mounting position 5 is used to mount various sensors. Integrating the sensors into the intake duct 1 allows for accurate detection of gas conditions within the intake duct 1, thereby improving the integration of the intake duct 1, saving space for separately mounting external sensors, and optimizing the interior of the fuel cell engine. The sensor mounting position 5 may include multiple slots for mounting a variety of different sensors.
[0034] In some embodiments of the present invention, the sensor fixing position 5 includes a first fixing position 51 for fixing the pressure sensor and a second fixing position 52 for fixing the air flow meter. The first fixing position 51 and the second fixing position 52 are arranged in parallel, and the pressure sensor and the air flow meter are integrated into the intake pipe 1, which improves the overall integration of the device, reduces the distribution of separate parts, and facilitates subsequent maintenance.
[0035] A fuel cell engine according to a preferred embodiment of the present invention comprises a substrate 7, an air compressor 6 and an air intake duct 1 structure according to any one of the above embodiments. The air intake duct 1 is fixed to the substrate 7 via a mounting base 11. The inlet of the air intake duct 1 is connected to the outlet of the air compressor 6. The coolant inlet and outlet pipe group 2 is used to provide coolant to the air compressor 6. The fuel cell engine fixes the air compressor 6 and the air intake duct 1 structure via the substrate 7. The substrate 7 is also provided with components such as a cold row. The air intake duct 1 is connected to the air compressor 6 of the fuel cell engine for conveying high-pressure gas. The coolant inlet and outlet pipe group 2 is used to provide coolant to the air compressor 6. The coolant inlet and outlet pipes are integrally formed in the air intake duct 1 and will not interfere with the air intake duct 1. There is no need to free up other space to accommodate the coolant inlet and outlet pipes, thereby ensuring the internal space utilization efficiency of the fuel cell engine. On the other hand, it also makes the air intake duct 1 more integrated, reduces the distribution of separate parts, and reduces maintenance costs.
[0036] The working process of the present invention is as follows: the coolant inlet and outlet pipe group 2 is integrally formed with the air intake pipe 1 and is arranged parallel to the air intake pipe 1. The air intake pipe 1 is also integrated with a variety of sensors.
[0037] In summary, the embodiment of the present invention provides a fuel cell engine and its intake pipe 1 structure, in which the coolant inlet and outlet pipes interfere with the intake pipe 1, and there is no need to free up other space to accommodate the coolant inlet and outlet pipes, thereby ensuring the internal space utilization efficiency of the fuel cell engine. On the other hand, it also makes the integration of the intake pipe 1 higher, reduces the distribution of separate parts, and reduces maintenance costs.
[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.
Claims
1. An intake duct structure for a fuel cell engine, characterized in that: include: An air intake pipe, wherein a mounting seat is provided on the air intake pipe; A coolant inlet and outlet pipe group, wherein the coolant inlet and outlet pipe group is integrally formed on the air intake pipe.
2. The intake duct structure of the fuel cell engine according to claim 1, characterized in that: The coolant inlet and outlet pipe group comprises a coolant inlet pipe and a coolant outlet pipe which are arranged in parallel with each other.
3. The air intake duct structure of the fuel cell engine according to claim 2, characterized in that: The coolant inlet pipe and the coolant outlet pipe are both arranged in parallel with the air intake pipe.
4. The intake duct structure of the fuel cell engine according to claim 2, characterized in that: A first connecting portion is provided between the coolant inlet pipe and the coolant outlet pipe.
5. The air intake duct structure of the fuel cell engine according to claim 4, characterized in that: A first slot is defined in the first connecting portion.
6. The intake duct structure of the fuel cell engine according to claim 1, characterized in that: The air intake pipe is provided with a second connecting portion connected to the coolant inlet and outlet pipe group.
7. The air intake duct structure of the fuel cell engine according to claim 6, characterized in that: The second connecting portion is provided with a second slot.
8. The intake duct structure of the fuel cell engine according to claim 1, characterized in that: A sensor fixing position is integrally formed on the air intake pipe, and the sensor fixing position includes a groove recessed toward the air intake pipe.
9. The air intake duct structure of the fuel cell engine according to claim 8, characterized in that: The sensor fixing position includes a first slot for fixing the pressure sensor and a second slot for fixing the air flow meter.
10. A fuel cell engine, characterized in that: It comprises a base plate, an air compressor and an air intake duct structure as described in any one of claims 1 to 9, wherein the air intake duct is fixed to the base plate through the mounting base, the inlet of the air intake duct is connected to the outlet of the air compressor, and the coolant inlet and outlet pipe group is used to provide coolant to the air compressor.