CN216435949U - Overhead radiator thermal management system and fuel cell with hydrogen elimination device - Google Patents
Overhead radiator thermal management system and fuel cell with hydrogen elimination device Download PDFInfo
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- CN216435949U CN216435949U CN202120927473.1U CN202120927473U CN216435949U CN 216435949 U CN216435949 U CN 216435949U CN 202120927473 U CN202120927473 U CN 202120927473U CN 216435949 U CN216435949 U CN 216435949U
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- fuel cell
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- management system
- dehydrogenation
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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
Abstract
The utility model discloses a top-mounted radiator heat management system and a fuel cell with a hydrogen elimination device, which comprises a cell, an electrolyte tank, a heat dissipation device, an electrolyte pump, a first temperature sensor, oxygen generation equipment and a control module, wherein the electrolyte tank is arranged in the cell; still including the dehydrogenation device, the dehydrogenation device including the dehydrogenation unit, the dehydrogenation unit include the casing, the both ends of casing are air inlet and gas outlet respectively, air inlet and gas outlet between set gradually absorbent cotton, active carbon, molecular sieve, color changing silica gel and catalyst. The utility model can automatically discharge hydrogen into the atmosphere through the dehydrogenation device by utilizing the characteristics of the hydrogen by arranging the dehydrogenation device on the upper part of the fuel cell, realizes dehydrogenation through the reaction and decomposition of the dehydrogenation device on the hydrogen, further realizes the cooling of the fuel cell through the double-circulation cooling arrangement of the fuel cell, has long-term effectiveness of the cooling device, and finally realizes the cooling of the fuel cell through the fan and the heat dissipation device arranged by cooling.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a thermal management system of an overhead radiator and a fuel cell with a hydrogen elimination device.
Background
At present, a plurality of metal air monomers are connected in series in the existing metal fuel cell to meet the performance requirement of the metal fuel cell structure. The common metal air monomer is rectangular in shape and comprises a shell, a rectangular metal plate and an air electrode. The metal plate and the electrolyte in the battery are continuously consumed along with the reaction, the temperature near the monomer and in the space is continuously increased along with the continuous reaction, the working efficiency is reduced due to the temperature increase, and the overall performance of the battery is further influenced. Meanwhile, gases harmful to human bodies, such as hydrogen, are released in the reaction process, and the gases are difficult to treat properly in the prior art.
Therefore, how to effectively collect and treat the harmful gas generated during the operation of the fuel cell and how to improve the heat dissipation capability of the fuel cell has become a technical problem to be solved and a target to be pursued by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat management system of an overhead radiator and a fuel cell with a hydrogen elimination device, which can collect and treat harmful gases in the operation process of the fuel cell.
The technical scheme adopted by the utility model is as follows:
a fuel cell with a heat management system of an overhead radiator and a hydrogen elimination device comprises a cell, an electrolyte tank, a heat dissipation device, an electrolyte pump, a first temperature sensor, oxygen generation equipment and a control module, wherein a liquid outlet of the electrolyte tank is connected with a liquid inlet of the cell through the first temperature sensor and the electrolyte pump in sequence, and a liquid outlet of the cell is communicated with a liquid inlet of the electrolyte tank; the hydrogen absorption device comprises a hydrogen absorption unit, the hydrogen absorption unit comprises a shell, an air inlet and an air outlet are respectively arranged at two ends of the shell, and absorbent cotton, activated carbon, a molecular sieve, allochroic silica gel and a catalyst are sequentially arranged between the air inlet and the air outlet; the dehydrogenation device is vertically arranged at the top end of the closed space of the fuel cell, and the air inlet is communicated with the closed space.
The absorbent cotton is provided with a plurality of layers which are arranged up and down.
The molecular sieve is crystalline silicate or aluminosilicate, can separate molecules with different properties, removes partial alkali and water molecules through filtering, and has the advantages of strong adsorption capacity, strong thermal stability and the like.
The active components of the catalyst are Pt and Pb.
The heat dissipation device comprises a heat exchanger, a second temperature sensor, a cooling liquid pump, a cooling liquid source and a radiator; the heat exchanger is arranged in the electrolyte tank and is arranged on one side of the liquid inlet of the electrolyte tank; the liquid outlet of coolant liquid connect heat exchanger's inlet, heat exchanger's liquid outlet loops through the inlet that second temperature sensor and coolant pump are connected the radiator, the inlet of coolant liquid source is connected to the liquid outlet of radiator, the input of output connection control module of second temperature sensor, the control module's output is connected the start-stop control input of coolant pump.
The electrolytic tank is characterized by further comprising a separation plate, wherein the separation plate is vertically arranged at the bottom of the electrolytic tank, and the height of the separation plate is smaller than that of the electrolytic tank.
The oxygen making equipment is an oxygen candle, and the oxygen candle is fixedly arranged at the bottom of the end part of the liquid outlet of the electrolyte tank through a fixing device.
The fixing device comprises a heat insulation plate, a heat conduction silicone layer and a jack; the heat insulation plate, the heat conduction silicone layer, the oxygen candles and the jack are sequentially arranged from top to bottom, and the heat insulation plate can be detachably arranged above the heat conduction silicone layer.
The heat dissipation device is characterized by further comprising a heat dissipation fan, wherein the heat dissipation fan is installed on the radiator and arranged on the top of the radiator, and the air outlet corresponds to the air inlet of the dehydrogenation device.
The utility model can automatically discharge hydrogen into the atmosphere through the dehydrogenation device by utilizing the characteristics of the hydrogen by arranging the dehydrogenation device on the upper part of the fuel cell, realizes dehydrogenation through the reaction and decomposition of the dehydrogenation device on the hydrogen, further realizes the cooling of the fuel cell through the double-circulation cooling arrangement of the fuel cell, has long-term effectiveness of the cooling device, and finally realizes the cooling of the fuel cell through the fan and the heat dissipation device arranged by cooling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a dehydrogenation apparatus according to the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
fig. 3 is an electrical schematic block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, 2 and 3, the utility model comprises a battery 4, an electrolyte tank 5, a heat sink, an electrolyte pump 9, a first temperature sensor 7, an oxygen generation device and a control module, wherein a liquid outlet of the electrolyte tank 5 is connected with a liquid inlet of the battery 4 sequentially through the first temperature sensor 7 and the electrolyte pump 9, and a liquid outlet of the battery 4 is communicated with a liquid inlet of the electrolyte tank 5; the hydrogen absorption device comprises a hydrogen absorption unit, the hydrogen absorption unit comprises a shell 27, an air inlet and an air outlet are respectively arranged at two ends of the shell 27, and absorbent cotton 21, activated carbon 23, a molecular sieve 24, allochroic silica gel 25 and a catalyst 26 are sequentially arranged between the air inlet and the air outlet; the dehydrogenation device is vertically arranged at the top end of the closed space of the fuel cell, and the air inlet is communicated with the closed space.
The absorbent cotton is provided with a plurality of layers which are arranged up and down, as shown in the figure, a second layer of absorbent cotton 22 is also arranged, and the effect is better when the plurality of layers are used.
The molecular sieve 24 is crystalline silicate or aluminosilicate, can separate molecules with different properties, filters partial alkali and water molecules, and has the advantages of strong adsorption capacity, strong thermal stability and the like.
The active components of the catalyst 26 are mainly Pt and Pb, and can well eliminate hydrogen.
The allochroic silicagel 25 is prepared by taking fine-pore silicagel as a carrier and combining cobalt chloride on the surface of an inner gap of the allochroic silicagel through a special process; the dehydration condition of the procedures (absorbent cotton and molecular sieve) is mainly detected.
The utility model provides a device that disappears comprises the body that disappears and gas filter. The dehydrogenation body is a hydrogen catalysis composite reaction site, and the gas filter is used for dehydrating and removing alkali from hydrogen. Through setting up the hydrogen device that disappears in the topmost of airtight space, because the quality of hydrogen is lighter, in fuel cell's continuous operation, hydrogen can gather in the space upper end, through the hydrogen device that disappears, collects hydrogen and converts into the gaseous release harmless to the human body. The general layout of an overhead radiator and a fuel cell with a hydrogen elimination device is shown in the figure, wherein the radiator is positioned at the top of a cabinet; the dehydrogenation device consists of a dehydrogenation body and a gas filter. The hydrogen elimination body is a hydrogen catalytic composite reaction site, and the gas filter is used for dehydrating and removing alkali from the hydrogen; finally, the gas is converted into harmless gas to human bodies and is discharged out of the cabinet.
The heat dissipation device comprises a heat exchanger 3, a second temperature sensor 8, a cooling liquid pump 10, a cooling liquid source 2 and a radiator 1; the heat exchanger 3 is arranged in the electrolyte tank 5 and is arranged on one side of a liquid inlet of the electrolyte tank 5; the liquid outlet of coolant liquid source 2 connect the inlet of heat exchanger 3, the liquid outlet of heat exchanger 3 loops through the inlet that second temperature sensor 8 and coolant pump 10 connect radiator 1, the inlet of coolant liquid source 2 is connected to the liquid outlet of radiator 1, the input of output connection control module of second temperature sensor 8, the control module's output is connected the start-stop control input of coolant pump 10. The electrolytic tank also comprises a partition plate 6, wherein the partition plate 6 is vertically arranged at the bottom of the electrolytic tank 5, and the height of the partition plate 6 is less than that of the electrolytic tank 5;
the electrolyte tank is divided into two parts by a partition plate 6, then an anti-corrosion heat exchanger 3 is arranged at the liquid inlet end part of the electrolyte tank 5, then the electrolyte entering the electrolyte tank 5 can be rapidly cooled by flowing the cooling liquid in the heat exchanger 3 to reach the expected temperature requirement, the cooled electrolyte flows to a liquid outlet of the electrolyte tank 5 under the pumping action of the electrolyte pump 9, and then circularly enters the battery to work, and the high-temperature cooling liquid after the cooling liquid is exchanged in the heat exchanger 3 can carry out the circular heat exchange again after the heat dissipation of the radiator 1, thereby well realizing the cooling of the electrolyte, avoiding the electrolyte from entering the heat exchanger 3 in the cooling process, and further avoiding the phenomena of corrosion, liquid leakage and the like which are easy to occur under the action of the corrosion of the electrolyte on the inner wall of the radiator 3.
The oxygen making equipment is an oxygen candle, and the oxygen candle is fixedly arranged at the bottom of the end part of the liquid outlet of the electrolyte tank through a fixing device. The fixing device comprises a heat insulation plate, a heat conduction silicone layer and a jack; the heat insulation plate, the heat conduction silicone layer, the oxygen candles and the jack are sequentially arranged from top to bottom, and the heat insulation plate can be detachably arranged above the heat conduction silicone layer. This application makes oxygen through the oxygen candle, because its is small, and the oxygenerating volume is big to when reducing the holistic bulk size of fuel cell, the demand of satisfying the system oxygen that both can be fine, the heat that utilizes the oxygen candle that can also be fine and produce the in-process production of oxygen heats electrolyte, thereby realization fuel cell's that can be fine cold start.
The heat exchanger is a common heat exchanger, and the outer surface of the heat exchanger is added with an anti-corrosion layer, so that the heat exchanger has corrosion resistance and good heat conduction performance.
The main components of the electrolyte are potassium hydroxide, gallium hydroxide, potassium manganate and the like.
Still including radiator fan, radiator fan install on the radiator and the two all put the top setting, the air outlet corresponds with the air intake of dehydrogenation device, sets up like this and can satisfy radiating simultaneously, the air after the heat dissipation directly gets into in the dehydrogenation device and dispels the hydrogen, need not extra kinetic energy and can improve the efficiency of dehydrogenation device greatly.
Before the fuel cell is used, the oxygen candle can be ignited firstly, the oxygen candle can also be made of other materials capable of generating heat automatically, the electrolyte box is heated, a heat insulation layer and a heat conduction silicone layer are arranged between the electrolyte box and the oxygen candle, and the heat insulation layer is convenient for isolating a heat source in time to heat the electrolyte box. When the temperature is lower, can use manual disjunctor jack to part oxygen candle, heat conduction silicone grease and heat insulating board and electrolyte case, take out the thermal-insulated sheet layer, heat conduction silicone grease mainly plays and links to each other the function of heat conduction with electrolyte case and oxygen candle, makes the produced heat of oxygen candle can transmit the electrolyte in the electrolyte case fast. When the temperature of the electrolyte is higher, the heat insulation plate is inserted to reduce the heat transfer of the oxygen candle to the electrolyte tank.
Starting the fuel cell, enabling electrolyte to enter each monomer of the cell to react under the action of an electrolyte pump, wherein the electrolyte pump has a function of adjusting flow, and because the fuel cell generates a large amount of heat in the power generation process and flows out of each monomer of the cell along with the electrolyte to enter a left electrolyte tank, a heat exchanger is contained in the left electrolyte tank and can perform heat exchange on the hot electrolyte, the heat exchanger has corrosion resistance and good heat conduction performance, the heat exchanger is connected with a cooling liquid tank, a radiator and the cooling liquid pump to form a cooling loop system, the radiator comprises a radiating fan, and the fan has a function of adjusting rotating speed; the coolant pump has a function of adjusting the flow rate of the coolant. The left electrolyte tank and the right electrolyte tank are separated by a heat insulation plate, and the cooled electrolyte in the left electrolyte tank overflows into the right electrolyte tank through the heat insulation plate to participate in the circulation again.
At the beginning of the battery operation, because the electrolyte temperature is relatively low, under control system's effect, cooling circuit system's coolant flow is lower, and radiator fan's speed is also lower simultaneously, has temperature sensor in electrolyte right side case, battery outlet liquid department, gives control system in real time transmission, and control system can make corresponding decision to temperature sensor's real-time temperature to coolant pump flow, radiator fan rotational speed, carry out corresponding control. Under the action of the control system and the heat dissipation system, the temperature of the electrolyte can quickly reach and maintain a proper temperature range.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the application of the principles of the technology. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the specific embodiments described herein, and may include more effective embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. A fuel cell with an overhead heat sink thermal management system and a hydrogen-dissipating device, comprising: the device comprises a battery, an electrolyte tank, a heat dissipation device, an electrolyte pump, a first temperature sensor, oxygen generation equipment and a control module, wherein a liquid outlet of the electrolyte tank is connected with a liquid inlet of the battery through the first temperature sensor and the electrolyte pump in sequence, and a liquid outlet of the battery is communicated with a liquid inlet of the electrolyte tank; the hydrogen absorption device comprises a hydrogen absorption unit, the hydrogen absorption unit comprises a shell, an air inlet and an air outlet are respectively arranged at two ends of the shell, and absorbent cotton, activated carbon, a molecular sieve, allochroic silica gel and a catalyst are sequentially arranged between the air inlet and the air outlet; the dehydrogenation device is vertically arranged at the top end of the closed space of the fuel cell, and the air inlet is communicated with the closed space.
2. The overhead radiator thermal management system and fuel cell with a hydrogen elimination device of claim 1, wherein: the absorbent cotton is provided with a plurality of layers which are arranged up and down.
3. The overhead radiator thermal management system and fuel cell with a hydrogen elimination device of claim 2, wherein: the molecular sieve is a crystalline silicate or aluminosilicate.
4. The overhead radiator thermal management system and fuel cell with a hydrogen elimination device of claim 3, wherein: the heat dissipation device comprises a heat exchanger, a second temperature sensor, a cooling liquid pump, a cooling liquid source and a radiator; the heat exchanger is arranged in the electrolyte tank and is arranged on one side of the liquid inlet of the electrolyte tank; the liquid outlet of coolant liquid connect heat exchanger's inlet, heat exchanger's liquid outlet loops through the inlet that second temperature sensor and coolant pump are connected the radiator, the inlet of coolant liquid source is connected to the liquid outlet of radiator, the input of output connection control module of second temperature sensor, the control module's output is connected the start-stop control input of coolant pump.
5. The overhead radiator thermal management system and fuel cell with a hydrogen elimination device of claim 4, wherein: the electrolytic tank is characterized by further comprising a separation plate, wherein the separation plate is vertically arranged at the bottom of the electrolytic tank, and the height of the separation plate is smaller than that of the electrolytic tank.
6. The overhead radiator thermal management system and fuel cell with a hydrogen elimination device of claim 1, wherein: the oxygen making equipment is an oxygen candle, and the oxygen candle is fixedly arranged at the bottom of the end part of the liquid outlet of the electrolyte tank through a fixing device.
7. The overhead radiator thermal management system and fuel cell with a hydrogen getter of claim 6, wherein: the fixing device comprises a heat insulation plate, a heat conduction silicone layer and a jack; the heat insulation plate, the heat conduction silicone layer, the oxygen candles and the jack are sequentially arranged from top to bottom, and the heat insulation plate can be detachably arranged above the heat conduction silicone layer.
8. The overhead radiator thermal management system and fuel cell with a hydrogen elimination device of claim 7, wherein: the heat dissipation device is characterized by further comprising a heat dissipation fan, wherein the heat dissipation fan is installed on the radiator and arranged on the top of the radiator, and the air outlet corresponds to the air inlet of the dehydrogenation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120927473.1U CN216435949U (en) | 2021-04-30 | 2021-04-30 | Overhead radiator thermal management system and fuel cell with hydrogen elimination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120927473.1U CN216435949U (en) | 2021-04-30 | 2021-04-30 | Overhead radiator thermal management system and fuel cell with hydrogen elimination device |
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| Publication Number | Publication Date |
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| CN216435949U true CN216435949U (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120927473.1U Active CN216435949U (en) | 2021-04-30 | 2021-04-30 | Overhead radiator thermal management system and fuel cell with hydrogen elimination device |
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| CN (1) | CN216435949U (en) |
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- 2021-04-30 CN CN202120927473.1U patent/CN216435949U/en active Active
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