Low-temperature-resistant high-safety fuel cell engine
By introducing heating components, humidifiers, sensors, and filtration systems into the fuel cell engine, combined with a sponge and perforated structure, the problem of the fuel cell engine not operating at low temperatures has been solved, enabling the engine to operate normally and with high safety in low-temperature environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JIAXING RES INST ZHEJIANG UNIV
- Filing Date
- 2023-12-14
- Publication Date
- 2026-06-02
AI Technical Summary
Existing fuel cell engines are prone to shutdown at prolonged low temperatures, resulting in engine failure and poor low-temperature performance.
A low-temperature resistant and highly safe fuel cell engine was designed. By incorporating heating components, a humidifier, sensors, and a filtration system inside the casing, combined with a sponge and perforated structure, water vapor is prevented from damaging the engine. Furthermore, a buffer plate is used to reduce vibration, ensuring that the engine can operate normally at low temperatures.
It effectively prevents the engine from failing to operate at low temperatures, increases the practicality and reliability of the device, and ensures that the engine operates normally in low-temperature environments.
Smart Images
Figure CN117855516B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of fuel cell engine technology, and more specifically to a low-temperature resistant and highly safe fuel cell engine. Background Technology
[0002] A fuel cell engine is an engine system that converts chemical energy into electrical energy through an electrochemical reaction of hydrogen and oxygen. It generally 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 output system. It can be used as a driving power source and auxiliary power source for vehicles, aerospace, and underwater devices.
[0003] Currently, a fuel cell engine with application number CN202010980307.8 includes a fixed frame comprising a first side fixed plate, a second side fixed plate, a third side fixed plate, and a fourth side fixed plate; a fuel cell comprising a housing, a stack, a distributor, and a first end cap and a second end cap facing each other in a third direction; a hydrogen supply system mounted on the first side fixed plate; a cooling circulation system mounted on the first side fixed plate; an air supply system mounted on the third side fixed plate; and a power distribution device mounted on the second side fixed plate. The fuel cell engine according to embodiments of the present invention has advantages such as high integration, compact structure, high volumetric power density, small size, easy assembly, high strength, and good shock resistance.
[0004] However, this fuel cell engine will stop working under prolonged low temperatures, indicating poor low-temperature resistance and easy engine shutdown. Therefore, it is necessary to design a low-temperature resistant and safe fuel cell engine to address the problem of engine failure at low temperatures. Summary of the Invention
[0005] Technical problem to be solved: When fuel cell engines are kept at low temperatures for extended periods, they may fail to operate. Therefore, it is necessary to design a low-temperature resistant and highly safe fuel cell engine to address the issue of engine failure at low temperatures.
[0006] To address the shortcomings of existing technologies, this invention provides a low-temperature resistant and highly safe fuel cell engine, solving the problems mentioned in the background section.
[0007] Technical solution:
[0008] To achieve the above objectives, the present invention provides the following technical solution:
[0009] A low-temperature resistant and highly safe fuel cell engine includes a housing with a through hole at the top, a protective door on the front of the housing with a handle on the surface of the protective door, an engine inside the housing, a box on one side of the housing with a protective door on the front of the box with a handle on the surface of the protective door, and a heating assembly inside the box.
[0010] In one possible implementation, a delivery pump is provided on the engine surface, one side of the delivery pump is fixedly connected to the engine surface, a pipeline is provided at the bottom of the delivery pump, a heat exchanger is provided on the side of the pipeline away from the delivery pump, the heat exchanger is fixedly connected to the engine surface, one end of the pipeline passes through the delivery pump and extends into the delivery pump, and the other end of the pipeline passes through the heat exchanger and extends into the heat exchanger.
[0011] In one possible implementation, another pipe is provided below the side of the heat exchanger where the pipe is located, and a humidifier is provided on the side of the pipe away from the heat exchanger. The humidifier is fixedly connected to the engine surface. Another pipe is provided at the bottom of both the humidifier and the bottom of the heat exchanger. The other pipe is connected through a base. A pressure sensor, a temperature sensor, a concentration sensor, and a flow sensor are provided at the bottom of the base, and a control valve is provided at the bottom of the base. A sponge is provided on the engine surface.
[0012] In one possible implementation, placement boxes are provided on both sides inside the outer casing, and dustproof nets are provided on the outside of the placement boxes.
[0013] In one possible implementation, a clamping plate is provided on the top of the engine, and a spring is provided on the side of the clamping plate away from the engine. The end of the spring away from the clamping plate is fixedly connected to the top of the inner casing.
[0014] In one possible implementation, the heating assembly includes a housing located on one side of the outer shell. A filter cover is provided on the inner side of the housing, and a support is provided inside the filter cover. A ventilation fan is provided on one side of the support and is fixedly connected to the support. A water tank is provided inside the housing, and a heating plate is provided at the bottom of the water tank. A resistance wire is provided on the surface of the heating plate. An air inlet pipe is provided on one side of the housing, and the air inlet pipe passes through the housing and extends into the outer shell.
[0015] In one possible implementation, a plurality of mounting plates are provided at the top of the interior of the tank, filter elements are provided between the mounting plates, and a filter screen is provided inside the water tank.
[0016] In one possible implementation, the bottom of the outer casing is provided with a base plate, the bottom of the base plate is provided with a buffer plate, and a protective sleeve is provided between the base plate and the buffer plate.
[0017] Beneficial effects:
[0018] 1. Add water to the water tank and heat it using a heating plate. Activate the ventilation fan to blow the steam generated by the heated water towards the air intake pipe on one side of the casing. Simultaneously, add chemical agents that can absorb water vapor to the placement boxes located on both sides inside the casing. Filter the agents through a dustproof net on the outside of the placement boxes to prevent chemical particles from sticking to the surface of the engine. A perforation is provided on the top of the casing, and a sponge is placed on the engine surface to prevent water vapor from damaging the engine, increasing the practicality of the device.
[0019] Second, the pressure sensor, temperature sensor, concentration sensor and flow sensor can effectively detect various data of the engine to ensure the normal operation of the engine. In addition, the filter element and filter screen can filter water vapor to prevent impurities from entering the engine and improve the temperature performance of the device.
[0020] Third, the base plate and buffer plate can effectively reduce engine vibration, making the installation of the outer casing more convenient, avoiding the impact of engine vibration on the engine body when the engine is working, and improving the practicality of the device. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.
[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0023] Figure 2 This is a schematic diagram of the internal structure of the present invention;
[0024] Figure 3 This is a schematic diagram of the engine structure of the present invention;
[0025] Figure 4 This is a schematic diagram of the top structure of the outer shell of the present invention;
[0026] Figure 5 This is a schematic diagram of the structure of the box in this invention.
[0027] Explanation of reference numerals in the attached figures:
[0028] 1. Outer shell; 2. Housing; 201. Filter cover; 202. Bracket; 203. Ventilation fan; 204. Water tank; 205. Heating plate; 206. Air inlet pipe; 207. Mounting plate; 208. Filter element; 209. Filter screen; 3. Through hole; 4. Engine; 401. Delivery pump; 402. Heat exchanger; 403. Humidifier; 404. Piping; 405. Pressure sensor; 406. Temperature sensor; 407. Concentration sensor; 408. Control valve; 409. Base; 410. Flow sensor; 411. Sponge; 412. Clamping plate; 413. Spring; 5. Protective door; 6. Placement box; 7. Base plate; 8. Buffer plate; 9. Protective cover; 10. Dustproof net. Detailed Implementation
[0029] This application provides a low-temperature resistant and highly safe fuel cell engine, thus solving the problems in the prior art.
[0030] The technical solution in this application is to solve the above problems, and the overall approach is as follows:
[0031] The specific structure of this embodiment is as follows: Figure 1-4 As shown, a low-temperature resistant and highly safe fuel cell engine includes a housing 1, a through hole 3 on the top of the housing 1, a protective door 5 on the front of the housing 1, a handle on the surface of the protective door 5, an engine 4 inside the housing 1, a box 2 on one side of the housing 1, a protective door 5 on the front of the box 2, a handle on the surface of the protective door 5, and a heating component inside the box 2.
[0032] In some examples, a delivery pump 401 is provided on the surface of the engine 4. One side of the delivery pump 401 is fixedly connected to the surface of the engine 4. A pipe 404 is provided at the bottom of the delivery pump 401. A heat exchanger 402 is provided on the side of the pipe 404 away from the delivery pump 401. The heat exchanger 402 is fixedly connected to the surface of the engine 4. One end of the pipe 404 passes through the delivery pump 401 and extends into the delivery pump 401. The other end of the pipe 404 passes through the heat exchanger 402 and extends into the heat exchanger 402. Another pipe 404 is provided below the side of the heat exchanger 402 where the pipe 404 is provided. A humidifier 403 is provided on the side of the pipe 404 away from the heat exchanger 402. The humidifier 403 is fixedly connected to the surface of the engine 4. Another pipe 404 is provided at the bottom of both the humidifier 403 and the bottom of the heat exchanger 402. The other pipe 404 is connected to a base 409. A pressure vessel is provided at the bottom of the base 409. The device includes a pressure sensor 405, a temperature sensor 406, a concentration sensor 407, and a flow sensor 410. A control valve 408 is located at the bottom of the base 409. The pressure sensor 405, temperature sensor 406, concentration sensor 407, and flow sensor 410 can effectively detect various data of the engine 4, ensuring the normal operation of the engine 4. The filter element 208 and filter screen 209 can filter water vapor to prevent impurities from entering the engine 4 and improve the temperature performance of the device. A sponge 411 is provided on the surface of the engine 4. Placement boxes 6 are provided on both sides inside the outer casing 1. A dustproof net 10 is provided on the outside of the placement boxes 6. A clamping plate 412 is provided on the top of the engine 4. A spring 413 is provided on the side of the clamping plate 412 away from the engine 4. The end of the spring 413 away from the clamping plate 412 is fixedly connected to the top of the inner part of the outer casing 1 to prevent water vapor from damaging the engine 4.
[0033] In some examples, the heating assembly includes a housing 2 located on one side of the outer shell 1. A filter cover 201 is provided on the inner side of the housing 2, and a support 202 is provided inside the filter cover 201. A ventilation fan 203 is provided on one side of the support 202 and is fixedly connected to the support 202. A water tank 204 is provided inside the housing 2, and a heating plate 205 is provided at the bottom of the water tank 204. A resistance wire is provided on the surface of the heating plate 205. An air inlet pipe 206 is provided on one side of the housing 2, passing through the housing 2 and extending into the outer shell 1. Several mounting brackets are provided at the top of the interior of the housing 2. A filter element 208 is installed between the mounting plates 207 and the water tank 204 is equipped with a filter screen 209. Water is added to the water tank 204 and heated by the heating plate 205. The water vapor generated by the heated water is blown towards the air intake pipe 206 on one side of the housing 2 by starting the ventilation fan 203. At the same time, chemical agents that can absorb water vapor are added to the placement boxes on both sides inside the outer shell 1. The top of the outer shell 1 is provided with a through hole 3. The surface of the engine 4 is covered with a sponge 411 to prevent water vapor from damaging the engine 4, thus increasing the practicality of the device.
[0034] In some examples, a base plate 7 is provided at the bottom of the outer casing 1, a buffer plate 8 is provided at the bottom of the base plate 7, and a protective sleeve 9 is provided between the base plate 7 and the buffer plate 8. The base plate 7 and the buffer plate 8 can effectively reduce the vibration of the engine 4 and improve the practicality of the device.
[0035] In a specific application scenario, water is added to the water tank 204 and heated by the heating plate 205. The water vapor generated by the heated water is blown towards the air intake pipe 206 on one side of the housing 2 by starting the ventilation fan 203. At the same time, chemical agents that can absorb water vapor are added to the placement boxes 6 on both sides inside the outer shell 1. The top of the outer shell 1 is provided with a through hole 3, and the surface of the engine 4 is provided with a sponge 411 to prevent water vapor from damaging the engine 4, thus increasing the practicality of the device.
[0036] By adopting the above technical solution, the engine 4 can be protected at low temperatures, preventing problems such as engine 4 failing to operate at low temperatures, thus increasing the practicality of the device.
[0037] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.
Claims
1. A low-temperature resistant and highly safe fuel cell engine, characterized in that: Includes an outer shell (1), the top of which is provided with a through hole (3), the front of which is provided with a protective door (5), the inside of which is provided with an engine (4), a box (2) is provided on one side of the outer shell (1), the front of which is provided with a protective door (5), the surface of which is provided with a handle, and the inside of which is provided with a heating component; A delivery pump (401) is provided on the surface of the engine (4). One side of the delivery pump (401) is fixedly connected to the surface of the engine (4). A pipe (404) is provided at the bottom of the delivery pump (401). A heat exchanger (402) is provided on the side of the pipe (404) away from the delivery pump (401). The heat exchanger (402) is fixedly connected to the surface of the engine (4). One end of the pipe (404) passes through the delivery pump (401) and extends into the delivery pump (401). The other end of the pipe (404) passes through the heat exchanger (402) and extends into the heat exchanger (402). Below the heat exchanger (402) on one side where the pipe (404) is located, another pipe (404) is provided. On the side of the other pipe (404) away from the heat exchanger (402), a humidifier (403) is provided. The humidifier (403) is fixedly connected to the surface of the engine (4). Another pipe (404) is also provided at the bottom of the humidifier (403) and the bottom of the heat exchanger (402). The other pipes (404) provided at the bottom of the humidifier (403) and the bottom of the heat exchanger (402) are all connected to the base (409). A pressure sensor (405), a temperature sensor (406), a concentration sensor (407), and a flow sensor (410) are provided at the bottom of the base (409). A control valve (408) is provided at the bottom of the base (409). A sponge (411) is provided on the surface of the engine (4). The top of the engine (4) is provided with a clamping plate (412), and a spring (413) is provided on the side of the clamping plate (412) away from the engine (4). The end of the spring (413) away from the clamping plate (412) is fixedly connected to the top of the inner part of the outer casing (1). The inner side of the box (2) is provided with a filter cover (201), and a bracket (202) is provided inside the filter cover (201). A ventilation fan (203) is provided on one side of the bracket (202), and the ventilation fan (203) is fixedly connected to the bracket (202). A water tank (204) is provided inside the box (2), and a heating plate (205) is provided at the bottom of the water tank (204). A resistance wire is provided on the surface of the heating plate (205). An air inlet pipe (206) is provided on one side of the box (2), and the air inlet pipe (206) passes through the box (2) and extends into the outer shell (1).
2. The low-temperature resistant and highly safe fuel cell engine according to claim 1, characterized in that: The outer shell (1) has a placement box (6) on both sides inside, and a dustproof net (10) is provided on the outside of the placement box (6).
3. The low-temperature resistant and highly safe fuel cell engine according to claim 1, characterized in that: The top of the inside of the box (2) is provided with several mounting plates (207), and filter elements (208) are provided between the mounting plates (207). The inside of the water tank (204) is provided with a filter screen (209).
4. A low-temperature resistant and highly safe fuel cell engine according to claim 1, characterized in that: The bottom of the outer shell (1) is provided with a bottom plate (7), the bottom of the bottom plate (7) is provided with a buffer plate (8), and a protective sleeve (9) is provided between the bottom plate (7) and the buffer plate (8).