CN115743958A - Oxygen control refrigerated container based on fuel cell system - Google Patents
Oxygen control refrigerated container based on fuel cell system Download PDFInfo
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- CN115743958A CN115743958A CN202211198145.8A CN202211198145A CN115743958A CN 115743958 A CN115743958 A CN 115743958A CN 202211198145 A CN202211198145 A CN 202211198145A CN 115743958 A CN115743958 A CN 115743958A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The invention discloses an oxygen control refrigerated container based on a fuel cell system, which comprises a hydrogen device, an air supply device, a fuel cell stack, a fuel cell oxygen control device, a container body and a refrigerating unit, wherein the hydrogen device is connected with the air supply device; the fuel cell oxygen control device and the refrigerating unit are respectively arranged in the container body, and a cathode oxygen inlet of the fuel cell oxygen control device is communicated with the interior of the container body; the fuel cell stack is electrically connected with the refrigerating unit; the air outlet of the air supply device is connected with the cathode of the fuel cell stack; the cathode of the fuel cell stack is connected with the inside of the container body; a fuel cell stack is arranged to independently supply power to the refrigerating unit, and the cathode of the fuel cell stack consumes oxygen in the air and then conveys the oxygen into the container body; the cathode of the fuel cell oxygen control device reacts with oxygen in the container body, so that the oxygen content in the container body is reduced, and the fresh-keeping effect of the refrigerated container can be greatly improved with extremely low energy consumption.
Description
Technical Field
The invention relates to the technical field of containers, in particular to an oxygen control refrigerated container based on a fuel cell system.
Background
Along with the improvement of the quality of life of the very people of social development, people are increasingly high to the new freshness requirement of eating the material, and more vegetables, melon and fruit, flesh of fish, egg milk are through cold-stored storage and transportation assurance quality, and cold-stored transportation market demand increases day by day, and the cold chain trade develops rapidly, and the freight loss rate of fresh products has greatly reduced in the transportation of refrigerated container, in order to further improve fresh-keeping effect, can promote fresh-keeping effect greatly through reducing the indoor oxygen concentration of cold-stored fresh-keeping. The existing refrigerated containers are all finished by roads, so that the cost is high, and the refrigerated containers are not economical and environment-friendly. Therefore, the railway is urgently required to carry out the transportation of the refrigerated container business. The 'door-to-door' safe and efficient refrigerated container transportation is the development direction of railway refrigerated transportation. The railway machine protection vehicle is in refrigeration transportation, is slow in inverted loading and high in cost, and cannot be used for door to door. The refrigerated container transportation has the advantages of door-to-door, multi-mode intermodal transportation, storage replacement by boxes, less cargo loss and the like, and is the development direction of the refrigerated transportation.
Therefore, in order to meet the requirements of refrigerated transportation, how to greatly improve the fresh-keeping effect of the refrigerated container with extremely low energy consumption becomes a technical problem to be solved urgently in the field.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the oxygen control refrigerated container based on the fuel cell system is low in energy consumption and good in fresh-keeping effect.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an oxygen control refrigeration container based on a fuel cell system comprises a hydrogen device, an air supply device, a fuel cell stack, a fuel cell oxygen control device, a container body and a refrigerating unit; the fuel cell oxygen control device and the refrigerating unit are respectively installed in the container body, and a cathode oxygen inlet of the fuel cell oxygen control device is communicated with the inside of the container body and is used for consuming oxygen in the container body; the fuel cell stack is electrically connected with the refrigerating unit; the hydrogen outlet of the hydrogen device is connected with the anode hydrogen inlet of the fuel cell stack and the anode hydrogen inlet of the fuel cell oxygen control device through gas circuits; an air outlet of the air supply device is connected with a cathode air inlet of the fuel cell stack through an air path; and a cathode air outlet of the fuel cell stack is connected with the inside of the container body through an air path.
The invention has the beneficial effects that: the oxygen-control refrigeration container based on the fuel cell system has the advantages that the energy consumption is low, the fresh-keeping effect is good, the fuel cell stack is arranged to independently supply power to the refrigeration unit, and the cathode of the fuel cell stack consumes oxygen in the air and then conveys the oxygen into the container body; and the cathode of the fuel cell oxygen control device reacts with oxygen in the container body, so that the oxygen content in the container body is reduced, the fresh-keeping effect of the refrigerated container can be greatly improved with extremely low energy consumption, and the transportation requirement of the refrigerated container is met.
Drawings
Fig. 1 is a simplified structural schematic diagram of an oxygen control refrigerated container based on a fuel cell system according to a first embodiment of the present invention;
fig. 2 is a control schematic diagram of an oxygen-controlled refrigerated container based on a fuel cell system according to a first embodiment of the present invention.
Description of the reference symbols:
1. a hydrogen unit; 2. an air supply device; 3. a fuel cell stack; 4. a filtration device; 41. a condenser; 42. a gas-liquid separator; 43. a three-way valve; 5. a fuel cell oxygen control device; 51. an air suction fan; 6. A container body; 7. a refrigeration unit; 8. an oxygen concentration sensor; 9. and a temperature sensor.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, an oxygen-controlled refrigerated container based on a fuel cell system includes a hydrogen device 1, an air supply device 2, a fuel cell stack 3, a fuel cell oxygen-controlling device 5, a container body 6 and a refrigerating unit 7; the fuel cell oxygen control device 5 and the refrigerating unit 7 are respectively arranged in the container body 6, and a cathode oxygen inlet of the fuel cell oxygen control device 5 is communicated with the inside of the container body 6 and is used for consuming oxygen in the container body 6; the fuel cell stack 3 is electrically connected with the refrigerating unit 7; the hydrogen outlet of the hydrogen device 1 is connected with the anode hydrogen inlet of the fuel cell stack 3 and the anode hydrogen inlet of the fuel cell oxygen control device 5 through gas circuits; the air outlet of the air supply device 2 is connected with the cathode air inlet of the fuel cell stack 3 through an air path; and a cathode air outlet of the fuel cell stack 3 is connected with the inside of the container body 6 through an air path.
The working principle of the invention is briefly described as follows: a fuel cell is a device that converts chemical energy stored in a fuel and an oxidant into electrical energy, and hydrogen gas undergoes an oxidation reaction at an anode of the fuel cell: h2-2e =2H +; the oxygen in the air undergoes a reduction reaction at the anode of the fuel cell: o2+4H + +4e =2H2O; hydrogen is respectively conveyed to an anode hydrogen inlet of a fuel cell stack 3 and an anode hydrogen inlet of a fuel cell oxygen control device 5 through a hydrogen device 1 to generate oxidation reaction, air is conveyed to a cathode air inlet of the fuel cell stack 3 through an air supply device 2, the cathode of the fuel cell stack 3 and oxygen in the air generate reduction reaction, and the residual tail gas of the cathode reaction of the fuel cell stack 3 is conveyed into a container body 6; the electric power generated by the fuel cell stack 3 is supplied to the refrigerating unit 7.
From the above description, the beneficial effects of the present invention are: the fuel cell stack 3 is arranged to independently supply power to the refrigerating unit 7, and the cathode of the fuel cell stack 3 consumes oxygen in the air and then conveys the oxygen into the container 6; and the cathode of the fuel cell oxygen control device 5 reacts with the oxygen in the container body 6, so that the oxygen content in the container body 6 is reduced, the fresh-keeping effect of the refrigerated container can be greatly improved with extremely low energy consumption, and the transportation requirement of the refrigerated container is met.
Further, a suction fan 51 is arranged at the cathode oxygen inlet of the fuel cell oxygen control device 5.
As is apparent from the above description, the suction fan 51 can promote the efficiency of sucking the air in the container body 6 into the cathode oxygen inlet of the fuel cell oxygen control device 5, and further promote the consumption of oxygen in the container body 6.
Furthermore, the fuel cell system also comprises a filtering device 4, wherein the filtering device 4 is arranged on an air path between a cathode air outlet of the fuel cell stack 3 and the inside of the container body 6.
As is apparent from the above description, the filter device 4 can filter the exhaust gas after the cathode reaction of the fuel cell stack 3, and thus convey the filtered exhaust gas into the container body 6.
Further, the filtering device 4 includes a condenser 41 and a gas-liquid separator 42 connected by a gas path, the condenser 41 is connected with the cathode air outlet of the fuel cell stack 3 by a gas path, and the gas-liquid separator 42 is connected with the inside of the container body 6 by a gas path.
As can be seen from the above description, the tail gas after the cathode reaction of the fuel cell stack 3 is condensed by the condenser 41, and then enters the container body 6 after the liquid water is removed by the gas-liquid separator 42, so that the water content in the container body 6 is reduced.
Further, the filtering device 4 further includes a three-way valve 43, one end of the three-way valve 43 is connected to the gas-liquid separator 42 through a gas path, and the other end of the three-way valve 43 is connected to the inside of the container 6 through a gas path.
As is apparent from the above description, the three-way valve 43 is used to control the opening/closing of the gas path between the gas-liquid separator 42 and the container 6, thereby controlling the oxygen concentration in the container 6.
Further, the device comprises a main control unit, wherein the hydrogen device 1, the air supply device 2, the fuel cell stack 3, the refrigerating unit 7 and the fuel cell oxygen control device 5 are respectively electrically connected with the main control unit.
As is apparent from the above description, the main control unit is used to control the hydrogen device 1, the air supply device 2, the fuel cell stack 3, the refrigerator group 7, and the fuel cell oxygen control device 5.
Further, an oxygen concentration sensor 8 electrically connected with the main control unit is further arranged in the container body 6.
As is apparent from the above description, the oxygen concentration sensor 8 can detect the oxygen concentration in the container body 6.
Further, a temperature sensor 9 electrically connected with the main control unit is also arranged in the container body 6.
As is apparent from the above description, the temperature sensor 9 can detect the temperature inside the container body 6.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: an oxygen-control cold storage container based on a fuel cell system is used for keeping vegetables, fruits and other articles fresh in the long-distance cold storage transportation process; the oxygen control refrigerated container based on the fuel cell system comprises a hydrogen device 1, an air supply device 2, a fuel cell stack 3, a fuel cell oxygen control device 5, a container body 6 and a refrigerating unit 7; the fuel cell oxygen control device 5 and the refrigerating unit 7 are respectively arranged in the container body 6, and a cathode oxygen inlet of the fuel cell oxygen control device 5 is communicated with the inside of the container body 6 and is used for consuming oxygen in the container body 6; the fuel cell stack 3 is electrically connected with the refrigerating unit 7; the hydrogen outlet of the hydrogen device 1 is connected with the anode hydrogen inlet of the fuel cell stack 3 and the anode hydrogen inlet of the fuel cell oxygen control device 5 through gas circuits, and the hydrogen device 1 simultaneously provides hydrogen required by oxidation reaction for the anode of the fuel cell stack 3 and the anode of the fuel cell oxygen control device 5; the air outlet of the air supply device 2 is connected with the cathode air inlet of the fuel cell stack 3 through an air path; the cathode air outlet of the fuel cell stack 3 is connected with the inside of the container body 6 through an air path; it is noted that a fuel cell is a device that converts chemical energy stored in a fuel and an oxidant into electrical energy, and hydrogen gas undergoes an oxidation reaction at an anode of the fuel cell: h2-2e =2H +; the oxygen in the air undergoes a reduction reaction at the anode of the fuel cell: o2+4H + +4e =2H2O; hydrogen is respectively conveyed to an anode hydrogen inlet of a fuel cell stack 3 and an anode hydrogen inlet of a fuel cell oxygen control device 5 through a hydrogen device 1 to generate oxidation reaction, air is conveyed to a cathode air inlet of the fuel cell stack 3 through an air supply device 2, the cathode of the fuel cell stack 3 and oxygen in the air generate reduction reaction, and the residual tail gas of the cathode reaction of the fuel cell stack 3 is conveyed into a container body 6; the electric energy generated by the fuel cell stack 3 is supplied to the refrigerating unit 7; specifically, an air suction fan 51 is provided at the cathode oxygen inlet of the fuel cell oxygen control device 5, and the air suction fan 51 can promote the efficiency of sucking the air in the container 6 into the cathode oxygen inlet of the fuel cell oxygen control device 5, and further promote the consumption of oxygen in the container 6.
Preferably, the oxygen-control refrigerated container based on the fuel cell system further includes a filtering device 4, the filtering device 4 is disposed on an air path between a cathode air outlet of the fuel cell stack 3 and the inside of the container body 6, specifically, the filtering device 4 includes a condenser 41 and a gas-liquid separator 42 connected through the air path, the gas-liquid separator 42 is further provided with a drain pipe communicated with the outside, the condenser 41 is connected with the cathode air outlet of the fuel cell stack 3 through the air path, the gas-liquid separator 42 is connected with the inside of the container body 6 through the air path, tail gas after a cathode reaction of the fuel cell stack 3 is condensed by the condenser 41 and then enters the container body 6 after liquid water is removed by the gas-liquid separator 42, and the tail gas is nitrogen-rich gas with low oxygen content; in detail, the filtering apparatus 4 further includes a three-way valve 43, a first port of the three-way valve 43 is connected to the gas-liquid separator 42 through a gas path, a second port of the three-way valve 43 is connected to the inside of the container 6 through a gas path, and a third port of the three-way valve 43 is connected to the outside.
In this embodiment, the oxygen-controlled refrigerated container based on the fuel cell system further includes a main control unit, where the hydrogen device 1, the air supply device 2, the fuel cell stack 3, the filtering device 4, the refrigerating unit 7, and the fuel cell oxygen-controlling device 5 are respectively electrically connected to the main control unit, and the main control unit is configured to control the hydrogen device 1, the air supply device 2, the fuel cell stack 3, the refrigerating unit 7, and the fuel cell oxygen-controlling device 5; specifically, an oxygen concentration sensor 8 electrically connected with the main control unit is further arranged in the container body 6, and the oxygen concentration sensor 8 can detect the oxygen concentration in the container body 6; more specifically, a temperature sensor 9 electrically connected to the main control unit is further disposed in the container body 6, and the temperature sensor 9 can detect the temperature in the container body 6; in detail, the main control unit controls the start and stop of the fuel cell stack 3 according to the temperature detected by the temperature sensor 9 in the container body 6, so as to provide the electric power required by refrigeration for the refrigeration unit 7; the main control unit detects the oxygen concentration in the container body 6 according to the oxygen concentration sensor 8, controls the on-off of the three-way valve 43, leads the cathode tail gas of the fuel cell stack 3 into the container body 6, and controls the fuel cell oxygen control device 5 to further reduce the oxygen content in the container body 6.
In conclusion, the oxygen-control refrigerated container based on the fuel cell system has low energy consumption and good fresh-keeping effect, the fuel cell stack is arranged to independently supply power to the refrigerating unit, and the cathode of the fuel cell stack consumes oxygen in the air and then conveys the oxygen into the container body; the cathode of the fuel cell oxygen control device reacts with oxygen in the container body, so that the oxygen content in the container body is reduced, the fresh-keeping effect of the refrigerated container can be greatly improved with extremely low energy consumption, and the transportation requirement of the refrigerated container is met; the arrangement of the air suction fan can promote the efficiency of air in the container body to be sucked into the cathode oxygen inlet of the fuel cell oxygen control device, and further promote the oxygen consumption in the container body; the filtering device can filter the tail gas generated after the cathode reaction of the fuel cell stack, so that the filtered tail gas is conveyed to the container body.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields are included in the scope of the present invention.
Claims (8)
1. An oxygen control refrigeration container based on a fuel cell system is characterized by comprising a hydrogen device, an air supply device, a fuel cell stack, a fuel cell oxygen control device, a container body and a refrigerating unit; the fuel cell oxygen control device and the refrigerating unit are respectively arranged in the container body, and a cathode oxygen inlet of the fuel cell oxygen control device is communicated with the interior of the container body and is used for consuming oxygen in the container body; the fuel cell stack is electrically connected with the refrigerating unit; the hydrogen outlet of the hydrogen device is connected with the anode hydrogen inlet of the fuel cell stack and the anode hydrogen inlet of the fuel cell oxygen control device through gas circuits; the air outlet of the air supply device is connected with the cathode air inlet of the fuel cell stack through an air path; and a cathode air outlet of the fuel cell stack is connected with the inside of the container body through an air path.
2. A fuel cell system based oxygen control refrigerated container as claimed in claim 1 wherein the cathode oxygen inlet of the fuel cell oxygen control means is provided with an air suction fan.
3. A fuel cell system based oxygen control refrigerated container as claimed in claim 1 further comprising a filter means located in the air path between the cathode air outlet of the fuel cell stack and the interior of the container body.
4. A fuel cell system based oxygen control refrigerated container as claimed in claim 3 wherein the filtration means comprises a condenser and a gas liquid separator connected by gas paths, the condenser being connected by gas paths to the cathode air outlet of the fuel cell stack and the gas liquid separator being connected by gas paths to the interior of the container body.
5. The fuel cell system-based oxygen control refrigerated container as claimed in claim 4 wherein the filter further comprises a three-way valve, one end of the three-way valve is connected to the gas-liquid separator via a gas path, and the other end of the three-way valve is connected to the inside of the container body via a gas path.
6. The fuel cell system based oxygen control refrigerated container of claim 1 further comprising a master control unit, the hydrogen device, air supply device, fuel cell stack, refrigeration unit and fuel cell oxygen control device being electrically connected to the master control unit respectively.
7. The fuel cell system-based oxygen control refrigerated container as claimed in claim 6 wherein an oxygen concentration sensor electrically connected to the main control unit is further provided in the container body.
8. The fuel cell system based oxygen control refrigerated container of claim 6 further having a temperature sensor electrically connected to the master control unit within the container body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211198145.8A CN115743958A (en) | 2022-09-29 | 2022-09-29 | Oxygen control refrigerated container based on fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211198145.8A CN115743958A (en) | 2022-09-29 | 2022-09-29 | Oxygen control refrigerated container based on fuel cell system |
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| Publication Number | Publication Date |
|---|---|
| CN115743958A true CN115743958A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211198145.8A Pending CN115743958A (en) | 2022-09-29 | 2022-09-29 | Oxygen control refrigerated container based on fuel cell system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116344893A (en) * | 2023-04-12 | 2023-06-27 | 西华大学 | Hydrogen fuel cell box structure of hydrogen energy hybrid commercial vehicle |
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2022
- 2022-09-29 CN CN202211198145.8A patent/CN115743958A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116344893A (en) * | 2023-04-12 | 2023-06-27 | 西华大学 | Hydrogen fuel cell box structure of hydrogen energy hybrid commercial vehicle |
| CN116344893B (en) * | 2023-04-12 | 2024-05-14 | 深圳市智芯微纳科技有限公司 | Hydrogen fuel cell box structure of hydrogen energy hybrid commercial vehicle |
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