CN220615739U - Unmanned motor sweeper of fuel cell and water recovery unit - Google Patents
Unmanned motor sweeper of fuel cell and water recovery unit Download PDFInfo
- Publication number
- CN220615739U CN220615739U CN202322070167.2U CN202322070167U CN220615739U CN 220615739 U CN220615739 U CN 220615739U CN 202322070167 U CN202322070167 U CN 202322070167U CN 220615739 U CN220615739 U CN 220615739U
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- China
- Prior art keywords
- water
- fuel cell
- steam
- semiconductor refrigerating
- unmanned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 239000000446 fuel Substances 0.000 title claims abstract description 42
- 241001417527 Pempheridae Species 0.000 title claims abstract description 26
- 238000011084 recovery Methods 0.000 title claims abstract description 24
- 239000004065 semiconductor Substances 0.000 claims abstract description 49
- 238000005057 refrigeration Methods 0.000 claims description 12
- 238000010408 sweeping Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000003749 cleanliness Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 230000005679 Peltier effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model provides a fuel cell unmanned cleaning vehicle and a water recovery device. The water recovery device includes: tail pipes of the fuel cell; the water tank is provided with a water adding port; the cyclone type steam-water separator is arranged at the water adding port and is provided with a steam inlet, a water outlet and an exhaust port, the steam inlet is connected with the tail calandria of the fuel cell, the water outlet faces to the bottom of the water tank, and the exhaust port faces to the outside of the water tank; the semiconductor refrigerating piece is closely connected with the top end cover of the steam-water separator below and is used for refrigerating the steam-water separator; and the power supply module is electrically connected with the semiconductor refrigerating sheet and is used for supplying power to the semiconductor refrigerating sheet. According to the utility model, the drainage of the fuel cell system is directly led into the water tank of the unmanned sweeper, so that the step of manually adding water is omitted, and the system is more water-saving. Meanwhile, the cleanliness in the water tank is guaranteed, and the service lives of the water pump and the spray head are prolonged.
Description
Technical Field
The utility model relates to the technical field of unmanned sweeping vehicles, in particular to a fuel cell unmanned sweeping vehicle and a water recovery device.
Background
Currently, unmanned fuel cell motor sweeper is provided with a special water tank. As shown in fig. 1, when cleaning is required, water in the water tank 3 is pressurized by the pump 4 and then ejected from the head 5. The water tank 3 is provided with a water filling port 6. When the water in the water tank 3 runs out, water needs to be manually added into the water tank 3 through the water adding port 6.
The prior art mainly has three problems: 1, special water is added manually; 2, the cleanliness in the water tank 3 can be affected by frequent opening of the water tank cover and the quality of the water source, and the pump 4 and the spray head 5 are easy to be blocked; 3 the water produced by the fuel cell system 1 itself is discharged into the air through the tail pipe 2, and is thus wasted.
Disclosure of Invention
The utility model aims to provide an unmanned fuel cell sweeper and a water recovery device, which are used for solving the technical problems in the prior art.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
a water recovery device for an unmanned fuel cell motor sweeper, comprising:
tail pipes of the fuel cell;
the water tank is provided with a water adding port;
the cyclone type steam-water separator is arranged at the water adding port and is provided with a steam inlet, a water outlet and an exhaust port, the steam inlet is connected with the tail calandria of the fuel cell, the water outlet faces to the bottom of the water tank, and the exhaust port faces to the outside of the water tank;
the semiconductor refrigerating piece is closely connected with the top end cover of the steam-water separator below and is used for refrigerating the steam-water separator;
and the power supply module is electrically connected with the semiconductor refrigerating sheet and is used for supplying power to the semiconductor refrigerating sheet.
Optionally, the semiconductor cooling fin further comprises a heat dissipation structure tightly connected with the upper part of the semiconductor cooling fin for dissipating heat of the semiconductor cooling fin so as to improve the cooling rate of the semiconductor cooling fin.
Optionally, the heat dissipation structure includes:
the substrate is tightly connected with the upper part of the semiconductor refrigerating sheet;
and the radiating fins are arranged on the substrate and are used for diffusing heat generated by the refrigeration of the semiconductor refrigeration sheet into the air.
Optionally, the power supply module includes:
the electric interface is connected with a power supply in the fuel cell unmanned sweeping vehicle and is used for supplying power to the semiconductor refrigerating sheet;
the current change-over switch is used for controlling the current direction and the current magnitude of the semiconductor refrigerating sheet so as to control the semiconductor refrigerating sheet to refrigerate or heat and control the heating or heat dissipation power of the semiconductor refrigerating sheet.
Optionally, the steam inlet is located the top lateral wall of steam-water separator, the top end cover is equipped with the heat transfer axle that extends towards the bottom, the outside of heat transfer axle is equipped with the guide vane bars, the heat transfer axle is cavity and top formation the gas vent.
Optionally, the shape of the guide blade grid is spiral.
Optionally, a drain valve is arranged at the water outlet at the bottom of the steam-water separator.
Optionally, the steam-water separator is made of aluminum.
A fuel cell unmanned sweeper comprising:
a main body of the sweeper;
a fuel cell system provided on the motor sweeper body;
the water recovery device as described above is provided on the sweeper body.
Compared with the prior art, the utility model has the following advantages:
according to the unmanned fuel cell sweeper and the water recovery device, drainage of the fuel cell system is directly led into the water tank of the unmanned sweeper, the step of manually adding water is omitted, and the system is more water-saving. Meanwhile, the cleanliness in the water tank is guaranteed, and the service lives of the water pump and the spray head are prolonged.
Drawings
For a clearer description of the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are one embodiment of the present utility model, and that, without inventive effort, other drawings can be obtained by those skilled in the art from these drawings:
FIG. 1 is a schematic layout of a prior art fuel cell unmanned sweeper;
fig. 2 is a schematic diagram of a water recovery device of the unmanned fuel cell sweeper provided by the utility model.
FIG. 3 is a schematic view of a cyclone steam-water separator according to the present utility model;
FIG. 4 is a top view of the inner guide blade cascade of the cyclone steam-water separator according to the utility model;
in the figure: 1. a fuel cell system; 2. tail pipes; 3. a water tank; 4. a water pump; 5. a spray head; 6. a water inlet; 7. a steam-water separator; 71. a steam inlet; 72. an exhaust port; 73. a top end cap; 74 heat transfer shafts; 75. a flow guide blade cascade; 76. a drain valve; 8. a semiconductor refrigeration sheet; 9 a power supply module; 10. a substrate; 11. and a heat radiating fin.
Detailed Description
The following provides a further detailed description of the proposed solution of the utility model with reference to the accompanying drawings and detailed description. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model.
As shown in fig. 2, the water recovery device of the unmanned fuel cell sweeper provided by the utility model comprises: a fuel cell tail pipe 2 for flowing water vapor generated by the fuel cell system 1 into the water recovery device; a water tank 3, the top of which is provided with a water inlet 6; the cyclone type steam-water separator 7 is arranged at the water adding port 6 and is provided with a steam inlet 71, a water outlet and an exhaust port 72, the steam inlet 71 is connected with the tail pipe 2, the water outlet faces the bottom of the water tank 3, the exhaust port 72 faces the outside of the water tank 3, steam flowing into the tail pipe 2 flows into the steam-water separator 7 through the steam inlet 71, and separated water flows into the water tank 3 through the water outlet and gas is discharged into the air through the exhaust port 72; the lower part of the semiconductor refrigerating plate 8 is tightly connected with the top end cover 73 of the steam-water separator 7 and is used for refrigerating the steam-water separator 7; and the power supply module 9 is electrically connected with the semiconductor refrigeration piece 8 and is used for supplying power to the semiconductor refrigeration piece 8.
The working principle of the utility model is as follows: the tail gas of the fuel cell system 1 is saturated wet air, the tail pipe 2 is connected to the steam-water separator 7, the water is injected into the water tank 3, and the dry air is discharged into the air through the gas outlet 72 of the steam-water separator 7, so that the water in the tail pipe 2 is effectively collected.
As shown in fig. 3 and 4, the steam inlet 71 is located on the upper side wall of the steam-water separator 7, the top end cover 73 is arranged at the top of the steam-water separator 7, the top end cover 73 is provided with a heat transfer shaft 74 extending towards the bottom, a flow guide blade grid 75 is arranged on the outer side of the heat transfer shaft 74, the heat transfer shaft 74 is hollow, and the top forms an exhaust port 72.
Optionally, the shape of the guide blade cascade 75 is spiral. After entering the vapor-water separator 7, the vapor is blocked by the spiral guide blade grid 75 in the rising process, the linear rising motion is changed into the spiral rising motion, the vapor generates centrifugal force in the rotating process, the liquid drops with high density are thrown to the inner wall of the vapor-water separator 7, the liquid drops are attached to the inner wall of the vapor-water separator 7, and fall along the inner wall of the vapor-water separator 7 under the action of gravity, so that gas and water are separated. The gas is discharged upward along the inside of the heat transfer shaft 74 through the gas outlet 72, and the moisture flows down to the bottom of the steam-water separator 7. A drain valve 76 is arranged at the bottom water outlet of the steam-water separator 7, and when the drain valve 76 is opened, liquid water is discharged into the water tank 3, so that water recovery is completed.
In the embodiment, the semiconductor refrigeration piece 8 based on the Peltier effect is adopted to control the temperature of the steam-water separator 7, so that the steam-water separation efficiency is improved. The steam-water separator 7 is made of aluminum. The power supply module 9 supplies power to the semiconductor refrigeration sheet 10 and cools the steam-water separator 7. Specifically, the power supply module 9 includes: the electric interface is connected with a power supply in the fuel cell unmanned sweeping vehicle to supply power for the semiconductor refrigerating sheet 8; the current change-over switch is used for controlling the current direction and the current magnitude of the semiconductor refrigerating sheet 8 so as to control the semiconductor refrigerating sheet 8 to perform refrigeration or heating and control the heating or heat dissipation power of the semiconductor refrigerating sheet 8. The power supply module 9 supplies power to the semiconductor cooling plate 8 in a forward direction, so that the lower part of the semiconductor cooling plate cools and the upper part of the semiconductor cooling plate heats. Lower refrigeration transfers the low temperature through the top end cap 73 to the heat transfer shaft 74 and the flow fence 75. The water in the steam-water separator 7, the heat transfer shaft 74 and the guide blade cascade 75, which are subjected to low temperatures during the swirling process, are condensed on the surface thereof and flow down to the bottom of the steam-water separator 7. When the drain valve 76 is opened, the liquid water is discharged into the water tank 3, and water recovery is completed.
Further, a heat dissipation structure may be further provided and tightly connected to the upper portion of the semiconductor cooling fin 8, so as to dissipate heat of the semiconductor cooling fin 8, so as to increase the cooling rate of the semiconductor cooling fin 8. Thereby, the heat generated above the semiconductor cooling fin 8 is dissipated in the air through the heat dissipation structure. Optionally, the heat dissipation structure includes: a substrate 10, wherein the substrate 10 is tightly connected with the upper part of the semiconductor refrigeration sheet 8; a plurality of heat radiating fins 11, the heat radiating fins 11 are mounted on the substrate 10 for diffusing heat generated when the semiconductor cooling fin 8 cools into the air.
In addition, drain valve 76 may be frozen during low temperature weather. At this time, the power supply module 9 can reversely supply power to the semiconductor cooling fin 8, and the lower side of the semiconductor cooling fin 8 can generate heat and cool the upper side. When the lower part heats up, the internal temperature of the steam-water separator 7 increases, and the drain valve 76 can be thawed.
Based on the same inventive concept, the utility model also provides a fuel cell unmanned sweeping vehicle, comprising: a main body of the sweeper; a fuel cell system provided on the motor sweeper body; the water recovery device as described above is provided on the main body of the sweeper.
In summary, the utility model recovers the water in the tail exhaust of the fuel cell system, and uses the water when the water is stored in the water tank for cleaning, so that the unmanned cleaning vehicle saves more water, the manual water adding process is omitted, the quality of water is ensured, and the service lives of the water pump and the spray head are prolonged.
What is not described in detail in this specification is prior art known to those skilled in the art.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (9)
1. A water recovery device for an unmanned fuel cell motor sweeper, comprising:
tail pipes of the fuel cell;
the water tank is provided with a water adding port;
the cyclone type steam-water separator is arranged at the water adding port and is provided with a steam inlet, a water outlet and an exhaust port, the steam inlet is connected with the tail calandria of the fuel cell, the water outlet faces to the bottom of the water tank, and the exhaust port faces to the outside of the water tank;
the semiconductor refrigerating piece is closely connected with the top end cover of the steam-water separator below and is used for refrigerating the steam-water separator;
and the power supply module is electrically connected with the semiconductor refrigerating sheet and is used for supplying power to the semiconductor refrigerating sheet.
2. The water recovery device of the unmanned fuel cell sweeper of claim 1, further comprising a heat dissipation structure closely connected to the upper part of the semiconductor refrigerating plate for dissipating heat from the semiconductor refrigerating plate to increase the refrigerating rate of the semiconductor refrigerating plate.
3. The water recovery device for a fuel cell unmanned sweeping vehicle of claim 2, wherein the heat dissipating structure comprises:
the substrate is tightly connected with the upper part of the semiconductor refrigerating sheet;
and the radiating fins are arranged on the substrate and are used for diffusing heat generated by the refrigeration of the semiconductor refrigeration sheet into the air.
4. The water recovery device for a fuel cell unmanned sweeping vehicle of claim 1, wherein the power supply module comprises:
the electric interface is connected with a power supply in the fuel cell unmanned sweeping vehicle and is used for supplying power to the semiconductor refrigerating sheet;
the current change-over switch is used for controlling the current direction and the current magnitude of the semiconductor refrigerating sheet so as to control the semiconductor refrigerating sheet to refrigerate or heat and control the heating or heat dissipation power of the semiconductor refrigerating sheet.
5. The water recovery device of the unmanned fuel cell motor sweeper of claim 1, wherein the steam inlet is positioned on the upper side wall of the steam-water separator, the top end cover is provided with a heat transfer shaft extending towards the bottom, the outer side of the heat transfer shaft is provided with a flow guide blade grid, the heat transfer shaft is hollow, and the top of the heat transfer shaft forms the exhaust port.
6. The water recovery device for a fuel cell unmanned sweeping vehicle of claim 5, wherein the guide blade row is spiral in shape.
7. The water recovery device of the unmanned fuel cell sweeper of claim 1, wherein a drain valve is arranged at a water outlet at the bottom of the steam-water separator.
8. The water recovery device for a fuel cell unmanned sweeping vehicle of claim 1, wherein the steam-water separator is made of aluminum.
9. A fuel cell unmanned sweeper, comprising:
a main body of the sweeper;
a fuel cell system provided on the motor sweeper body;
the water recovery device according to any one of claims 1 to 8, provided in the motor sweeper body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070167.2U CN220615739U (en) | 2023-08-02 | 2023-08-02 | Unmanned motor sweeper of fuel cell and water recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070167.2U CN220615739U (en) | 2023-08-02 | 2023-08-02 | Unmanned motor sweeper of fuel cell and water recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220615739U true CN220615739U (en) | 2024-03-19 |
Family
ID=90220867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322070167.2U Active CN220615739U (en) | 2023-08-02 | 2023-08-02 | Unmanned motor sweeper of fuel cell and water recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220615739U (en) |
-
2023
- 2023-08-02 CN CN202322070167.2U patent/CN220615739U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |