CN111342075A - Hydrogen fuel battery pack of fuel cell automobile and heat radiating device - Google Patents
Hydrogen fuel battery pack of fuel cell automobile and heat radiating device Download PDFInfo
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- CN111342075A CN111342075A CN202010154318.0A CN202010154318A CN111342075A CN 111342075 A CN111342075 A CN 111342075A CN 202010154318 A CN202010154318 A CN 202010154318A CN 111342075 A CN111342075 A CN 111342075A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04291—Arrangements for managing water in solid electrolyte fuel cell systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or fuel cell stacks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04768—Pressure; Flow of the coolant
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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
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- 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
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Abstract
The invention discloses a fuel cell automobile hydrogen fuel cell set and a heat dissipation device, belonging to the technical field of fuel cells, the fuel cell automobile hydrogen fuel cell set and the heat dissipation device comprise a fuel cell body, a high-pressure hydrogen tank and an air compressor, and are characterized in that: the fuel cell body is including installation shell and a plurality of group battery, a pair of baffle of fixedly connected with in the installation shell, and a pair of baffle will install the shell and cut apart into two group batteries and place cavity and a wind-force heat dissipation chamber, and wind-force heat dissipation chamber is located the lower tip of installation shell, be connected with wide face heat dissipation mechanism on the installation shell, wide face heat dissipation mechanism includes speed governing fan and quick heat dissipation post, a pair of speed governing fan is installed in wind-force heat dissipation chamber, a plurality of quick heat dissipation post evenly distributed are in the installation shell upper end, it can realize guaranteeing the homogeneity of the temperature field of group battery in the use, improve the reliability and the uniformity of battery performance, and then realize showing performance and the operation security that improves whole car.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a hydrogen fuel cell pack of a fuel cell automobile and a heat dissipation device.
Background
The wide application of human beings to new energy leads to the rapid expansion of the market of secondary batteries, the requirements of secondary batteries in the current new energy system are ubiquitous, no matter electric vehicles, wind energy, solar energy grid connection or power grid peak regulation, a secondary battery with low price, reliability, safety and long service life is urgently needed, the secondary batteries developed at present mainly concentrate on lithium ion batteries, high-temperature sodium-sulfur batteries, sodium-nickel-chlorine batteries and vanadium flow batteries, the batteries have respective advantages, such as long service life and high energy density of the lithium ion batteries and the high-temperature sodium-sulfur batteries, the vanadium flow batteries theoretically have infinite service life and the like, but no matter which batteries can not simultaneously meet the requirements of low price, reliability, safety and long service life, the fuel batteries are new power supplies with development future, and generally adopt hydrogen, carbon, methanol, borohydride, hydrogen, carbon, boron hydride and the like, The main difference between the conventional battery and the conventional battery is that the active material of the conventional battery is previously placed inside the battery, and thus the battery capacity depends on the amount of the active material stored; the active materials (fuel and oxidant) of the fuel cell are continuously supplied while reacting, and therefore, such a cell is actually only an energy conversion device. The battery has the advantages of high conversion efficiency, large capacity, high specific energy, wide power range, no need of charging and the like.
The fuel cell is considered as one of ten technologies affecting the future world, is a device for directly converting chemical energy of fuel (hydrogen, natural gas, liquefied gas, methanol and the like) into electric energy, has the characteristics of high efficiency, low pollution, no noise and the like, is generally regarded by all countries in the world, has breakthrough development recently, is applied to automobiles, ships and the like, and is applied to the automobiles, ships and the like, the core element of the current fuel cell is a proton exchange membrane, and the change of temperature has great influence on the proton exchange membrane, and researches show that when the temperature of the fuel cell is between 70 ℃ and 80 ℃, the water distribution in the membrane can be improved, the transfer speed of protons in the membrane can be improved, the membrane resistance can be reduced, the performance of the fuel cell can be improved, however, as the fuel cell continuously works, chemical reaction is continuously carried out to output electric energy, and simultaneously, along with the release of a large amount of heat, the temperature of the, the core of the power battery cooling system is how to maintain the whole battery in a proper temperature range, and ensure the temperature uniformity between the battery monomer and the batteries in the battery pack, because the power density of the battery pack is limited by the energy density of the power battery at the present stage, the power density of the battery pack still does not reach a satisfactory degree, compared with the traditional fuel vehicle, the performance of the electric vehicle is still different and is mainly limited by the endurance mileage, the charging time and the cycle life of the battery, at present, the technical development trend of the power battery is high energy density and long service life, the ever-increasing energy density will tend to further increase the temperature of the battery in the charging and discharging process, and in various performance factors influencing the service life of the power battery, the influence of battery temperature is very big, too high battery temperature can make the inside irreversible reactant of battery increase, thereby reduce battery capacity and cycle life, in addition, the inside temperature distribution of group battery is inhomogeneous also can lead to the performance between each battery monomer and the battery module inhomogeneous, and finally influence the uniformity of battery performance and the accuracy of battery state of charge estimation, therefore, it is crucial to maintaining battery cycle life and charge-discharge performance to maintain appropriate battery temperature and even temperature distribution, and high performance battery cooling system will certainly further increase the volume and the weight of group battery, be unfavorable for electric automobile's lightweight, consume more parasitic power, further reduce continuation of the journey mileage.
The fuel cell has not been popularized in society, the development of the fuel cell is definitely limited by the endurance mileage, the charging time and the cycle life of the battery, and the excessive temperature of the fuel cell during operation is an important factor that the fuel cell is not ready to be solved.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a hydrogen fuel cell pack of a fuel cell automobile and a heat dissipation device, which can ensure the uniformity of a temperature field of the cell pack in the using process, improve the reliability and consistency of the performance of the cell and further obviously improve the performance and the running safety of the whole automobile.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a fuel cell car hydrogen fuel cell group and heat abstractor, includes fuel cell body, high-pressure hydrogen gas jar and air compressor, its characterized in that: the fuel cell comprises a fuel cell body and a plurality of battery packs, wherein a pair of clapboards is fixedly connected in the mounting shell and divides the mounting shell into two battery pack placing cavities and a wind power heat dissipation cavity, the wind power heat dissipation cavity is positioned at the lower end part of the mounting shell, the mounting shell is connected with a wide-area heat dissipation mechanism, the wide-area heat dissipation mechanism comprises a speed-adjusting fan and a quick heat dissipation column, the speed-adjusting fan is arranged in the wind power heat dissipation cavity, the quick heat dissipation columns are uniformly distributed at the upper end of the mounting shell and are arranged in a staggered manner with the ventilation holes, the ventilation holes are drilled in the mounting shell and the clapboards, the battery packs are uniformly arranged in the battery pack placing cavities, an electric cabinet is arranged between each two adjacent battery packs, a pair of overhead heat dissipation plates is connected between the battery packs and the clapboards, and each battery pack comprises a plurality of battery monomers which are connected in, the battery monomer includes casing, hydrogen electrode, oxygen electrode and asbestos membrane, and hydrogen electrode and oxygen electrode are located asbestos membrane both ends about respectively, casing left end intercommunication has the hydrogen intake pipe, and the hydrogen intake pipe is connected with high-pressure hydrogen jar, casing right-hand member intercommunication has the oxygen intake pipe, and the oxygen intake pipe is connected with air compressor, be equipped with sub heat dissipation mechanism in the battery monomer, can realize guaranteeing the homogeneity of the temperature field of group battery in the use, improve the reliability and the uniformity of battery performance, and then realize showing the performance and the operational safety who improve whole car.
Further, the sub-heat dissipation mechanism comprises a main cooling pipe, a standby cooling pipe and a cooling liquid tank, an annular cooling cavity is formed in the shell, a plurality of main cooling pipes are uniformly distributed in the annular cooling cavity, a pair of main cooling pipes on the upper side and the lower side are communicated with the cooling liquid tank through circulating pipes, a booster pump and an electromagnetic valve are further connected between the cooling liquid tank and the main cooling pipes, an adjacent pair of main cooling pipes are communicated through a soft short pipe, a plurality of temperature response mechanisms distributed in an annular array are further connected between the adjacent pair of main cooling pipes, each temperature response mechanism comprises a heat conduction plate, an elastic reset piece and a temperature response pipe, the heat conduction plate is fixedly connected to one end side wall, close to the asbestos membrane, of the annular cooling cavity, the pair of elastic reset pieces are fixedly connected between the heat conduction plate and the temperature response pipes, and arc-shaped seats are fixedly connected between the upper end and the lower end of each temperature response pipe and the adjacent main, the sub-radiating mechanism is used for carrying out overall radiation on each battery monomer, and the temperature response mechanism is matched with the sub-radiating mechanism to carry out self-adaptive adjustment on radiating performance according to the temperature distribution of the battery monomers, so that uniform radiating of the battery monomers is realized, proper battery temperature and uniform temperature distribution are maintained, the cycle life of the battery is prolonged, and the charging and discharging performance is improved.
Further, still open the reserve cavity that has and annular cooling chamber to be linked together in the casing, reserve cooling tube is located reserve cavity, be equipped with the rigid link pole between reserve cooling tube and the adjacent main cooling tube, same fixedly connected with arc seat between rigid link pole and adjacent main cooling tube and the reserve cooling tube, when battery monomer bulk temperature was too high, a pair of reserve cooling tube can play the effect of supplementary heat dissipation cooling.
Furthermore, elasticity resets and includes memory spring and heat conduction net, and the laminating of heat conduction net is at memory spring's surface, not only can be with the heat direction temperature response pipe in the battery monomer for the temperature response pipe can respond according to the temperature, and can provide the effort that supplementary main cooling tube resets.
Furthermore, the hydrogen electrode and the oxygen electrode respectively comprise a current collecting plate, a diffusion layer and a catalytic layer from outside to inside, and the asbestos membrane is an asbestos membrane containing 35% of caustic potash solution, so that electrochemical reaction in the cell unit is performed fully and orderly.
Further, the casing is close to hydrogen electrode one end and is dug there is the backward flow hole, through hydrogen back flow intercommunication between backward flow hole and the hydrogen intake pipe, can retrieve the unnecessary hydrogen that is not dissociated to can make the unnecessary hydrogen backward flow of collection directly participate in chemical reaction, reduce cost and reduce extravagantly, the casing is close to oxygen electrode one end and is dug there is the hole of falling into the water, the hole of falling into the water is connected with the water storage box through collecting the water pipe, and the reactant of electrochemistry is water, and is clean environmental protection, collects and can realize recycle.
Furthermore, the quick heat dissipation post includes heat conduction post and heat radiation fins, and a plurality of heat radiation fins all with distribute at the surface of heat conduction post, quick heat dissipation post upper end fixedly connected with heat dissipation ball cooperates the wind-force of downside speed governing fan to distribute away the heat from the installation shell rapidly, and heat dispersion is excellent.
Further, install control panel and temperature sensor on the installation shell one end lateral wall, and temperature sensor, speed governing fan and solenoid valve all with control panel electric connection, gather temperature data in real time through temperature sensor to transmit to in the control panel through the flow of the rotational speed wind-force of the pertinence regulation speed governing fan and solenoid valve after data processing calculates.
Further, the casing surface scribbles high temperature resistant insulating layer, scribble heat conduction silica gel outside the high temperature resistant insulating layer, improve the free electrical insulation of battery and the thermal diffusivity of self.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can ensure the uniformity of the temperature field of the battery pack in the using process, improve the reliability and consistency of the performance of the battery, and further realize the remarkable improvement of the performance and the operation safety of the whole vehicle.
(2) The sub-heat dissipation mechanism comprises a main cooling pipe, a standby cooling pipe and a cooling liquid box, an annular cooling cavity is formed in the shell, a plurality of main cooling pipes are uniformly distributed in the annular cooling cavity, a pair of main cooling pipes on the upper side and the lower side are communicated with the cooling liquid box through circulating pipes, a booster pump and an electromagnetic valve are connected between the cooling liquid box and the main cooling pipes, a pair of adjacent main cooling pipes are communicated through a soft short pipe, a plurality of temperature response mechanisms distributed in an annular array are connected between the pair of adjacent main cooling pipes, each temperature response mechanism comprises a heat conduction plate, an elastic reset piece and a temperature response pipe, the heat conduction plates are fixedly connected to the side wall of one end, close to the asbestos membrane, of the annular cooling cavity, the pair of elastic reset pieces are fixedly connected between the heat conduction plates and the temperature response pipes, and arc-shaped seats are fixedly connected between the upper end and the, the sub-radiating mechanism is used for carrying out overall radiation on each battery monomer, and the temperature response mechanism is matched with the sub-radiating mechanism to carry out self-adaptive adjustment on radiating performance according to the temperature distribution of the battery monomers, so that uniform radiating of the battery monomers is realized, proper battery temperature and uniform temperature distribution are maintained, the cycle life of the battery is prolonged, and the charging and discharging performance is improved.
(3) Still open the chisel in the casing and have the reserve cavity that is linked together with annular cooling chamber, reserve cooling pipe is located reserve cavity, is equipped with the rigid link pole between reserve cooling pipe and the adjacent main cooling pipe, same fixedly connected with arc seat between rigid link pole and adjacent main cooling pipe and the reserve cooling pipe, when battery monomer bulk temperature was too high, a pair of reserve cooling pipe can play the effect of supplementary heat dissipation cooling.
(4) Elasticity resets and includes memory spring and heat conduction net, and the laminating of heat conduction net is at memory spring's surface, not only can be with the heat direction temperature response pipe in the battery monomer for the temperature response pipe can respond according to the temperature, and can provide the effort that supplementary main cooling tube resets.
(5) The hydrogen electrode and the oxygen electrode respectively comprise a current collecting plate, a diffusion layer and a catalytic layer from outside to inside, and the asbestos membrane is an asbestos membrane containing 35% of caustic potash solution, so that electrochemical reaction in the battery unit is performed fully and orderly.
(6) The casing is close to hydrogen electrode one end and cuts out there is the backward flow hole, through hydrogen back flow intercommunication between backward flow hole and the hydrogen intake pipe, can retrieve the unnecessary hydrogen that is not dissociated, and can make the unnecessary hydrogen backward flow of collection directly participate in chemical reaction, reduce cost and reduction are extravagant, the casing is close to oxygen electrode one end and cuts out there is the hole in the water, the hole in the water is connected with the water storage box through collecting the water pipe, the reactant of electrochemistry is water, it is clean environmental protection, it can realize recycle to collect.
(7) The quick heat dissipation column comprises a heat conduction column and a plurality of heat dissipation fins, the heat dissipation fins are distributed on the outer surface of the heat conduction column, a heat dissipation ball is fixedly connected to the upper end of the quick heat dissipation column, the wind power of the speed regulation fan at the lower side is matched to rapidly dissipate heat from the installation shell, and the quick heat dissipation column is excellent in heat dissipation performance.
(8) Install control panel and temperature sensor on the lateral wall of installation shell one end, and temperature sensor, speed governing fan and solenoid valve all with control panel electric connection, gather temperature data in real time through temperature sensor to transmit to in the control panel through the flow of the rotational speed wind-force of the pertinence regulation speed governing fan and solenoid valve after data processing calculates.
(9) The surface of the shell is coated with a high-temperature-resistant insulating layer, and the heat-conducting silica gel is coated outside the high-temperature-resistant insulating layer, so that the electric insulating property of the battery monomer and the heat dissipation performance of the battery monomer are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a cell portion according to the present invention;
FIG. 3 is a schematic view of the structure of a hydrogen electrode portion of the present invention;
FIG. 4 is a schematic structural view of the case of the present invention during normal heat dissipation;
FIG. 5 is a schematic view of the upper end of the shell of the present invention when it is hot;
FIG. 6 is a schematic view of the lower end of the present invention when it is hot;
fig. 7 is a diagram showing the electrochemical reaction equations in the vicinity of the hydrogen electrode and the oxygen electrode according to the present invention.
The reference numbers in the figures illustrate:
001 fuel cell body, 1 battery monomer, 101 casing, 102 hydrogen electrode, 103 oxygen electrode, 104 asbestos membrane, 105 hydrogen intake pipe, 106 oxygen intake pipe, 2 installation shell, 3 group battery, 4 electric cabinet, 5 speed governing fan, 6 high-pressure hydrogen tank, 7 water storage box, 8 coolant tank, 9 quick heat dissipation post, 10 heat dissipation ball, 11 control panel, 12 temperature sensor, 13 annular cooling chamber, 14 main cooling pipe, 15 spare cooling pipe, 16 heat-conducting plate, 17 elasticity piece that resets, 18 arc seat, 19 temperature response pipe, 20 rigid connection pole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Example 1:
referring to fig. 1, a hydrogen fuel cell stack and a heat dissipation device for a fuel cell vehicle comprises a fuel cell body 001, a high-pressure hydrogen tank 6 and an air compressor, wherein the fuel cell body 001 comprises a mounting case 2 and a plurality of cell stacks 3, a pair of partition plates is fixedly connected in the mounting case 2, and divides the mounting case 2 into two cell stack placing cavities and a wind power heat dissipation cavity, the wind power heat dissipation cavity is located at the lower end part of the mounting case 2, a wide-area heat dissipation mechanism is connected on the mounting case 2 and integrally dissipates heat of the mounting case 2, the wide-area heat dissipation mechanism comprises a speed-adjustable fan 5 and a fast heat dissipation column 9, the pair of speed-adjustable fans 5 is mounted in the wind power heat dissipation cavity, the plurality of fast heat dissipation columns 9 are uniformly distributed at the upper end of the mounting case 2, the fast heat dissipation columns 9 and ventilation holes are arranged in a staggered manner, the fast heat dissipation column 9 comprises heat conduction columns and heat dissipation fins, the plurality of radiating fins are distributed on the outer surface of the heat conducting column, the upper end of the rapid radiating column 9 is fixedly connected with a radiating ball 10, the heat is rapidly radiated from the installation shell 2 by matching with the wind power of the speed regulating fan 5 at the lower side, the radiating ball is excellent in radiating performance, the installation shell 2 and the partition plate are provided with ventilation holes, the speed regulating fan 5 can conveniently take away the heat in the installation shell 2 upwards by utilizing the wind power and rapidly radiate the heat through the rapid radiating column 9, the plurality of battery packs 3 are uniformly installed in the battery pack placing cavity, the electric cabinet 4 is installed between the adjacent pair of battery packs 3, the running condition of the battery packs 3 is monitored in real time, a pair of overhead radiating plates are connected between the battery packs 3 and the partition plate to conveniently release the heat at the bottoms of the battery packs 3, each battery pack 3 comprises a plurality of battery monomers 1 which are connected in series, each battery, An oxygen electrode 103 and a asbestos film 104, wherein the hydrogen electrode 102 and the oxygen electrode 103 are respectively positioned at the left end and the right end of the asbestos film 104, the surface of the shell 101 is coated with a high-temperature resistant insulating layer, the outside of the high-temperature resistant insulating layer is coated with heat-conducting silica gel, the electrical insulation property and the self heat dissipation of the battery cell 1 are improved, the hydrogen electrode 102 is used as an anode in the electrochemical reaction and is also used as a cathode in the electrochemical reaction, the oxygen electrode 103 is also used as an anode of the battery cell 1, the electrochemical reaction formula of the hydrogen electrode 102 and the oxygen electrode 103 is shown in figure 7, the left end of the shell 101 is communicated with a hydrogen inlet pipe 105, the hydrogen inlet pipe 105 is connected with a high-pressure hydrogen tank 6, the right end of the shell 101 is communicated with an oxygen inlet pipe 106, the oxygen inlet pipe 106 is connected with an air compressor, a return hole is drilled at one end of the shell 101 close to the hydrogen, can retrieve the unnecessary hydrogen that is not dissociated, and can make the unnecessary hydrogen backward flow of collection directly participate in chemical reaction, reduce cost and waste reduction, casing 101 is near oxygen electrode 103 one end and cuts the hole of falling into water, the hole of falling into water is connected with water storage box 7 through collecting the water pipe, the reactant of electrochemistry is water, it is clean environmental protection, collect and to realize recycle, install control panel 11 and temperature sensor 12 on the installation 2 one end lateral wall, and temperature sensor 12, speed governing fan 5 and solenoid valve all with control panel 11 electric connection, gather temperature data in real time through temperature sensor 12, and transmit to control panel 11 through the flow of the rotational speed wind-force of data processing calculation back pertinence regulation speed governing fan 5 and solenoid valve, be equipped with sub heat dissipation mechanism in the battery cell 1.
Referring to fig. 2-4, the sub-heat dissipation mechanism includes a main cooling pipe 14, a standby cooling pipe 15 and a cooling liquid tank 8, an annular cooling cavity 13 is drilled in the housing 101, a plurality of main cooling pipes 14 are uniformly distributed in the annular cooling cavity 13, a pair of main cooling pipes 14 at the upper and lower sides are communicated with the cooling liquid tank 8 through circulation pipes, continuous cooling of the battery cell 1 is realized by circulating cooling liquid in the cooling liquid tank 8 in the main cooling pipes 14, a booster pump and an electromagnetic valve are further connected between the cooling liquid tank 8 and the main cooling pipes 14, a pair of adjacent main cooling pipes 14 are communicated through a flexible short pipe, a plurality of temperature response mechanisms distributed in an annular array are further connected between a pair of adjacent main cooling pipes 14, each temperature response mechanism includes a heat conduction plate 16, an elastic reset member 17 and a temperature response pipe 19, the heat conduction plate 16 is fixedly connected to a side wall of the annular cooling cavity 13 near the asbestos film 104, the heat of the battery monomer 1 can be promoted to be guided into the annular cooling cavity 13, the local temperature of the battery monomer 1 can be transmitted to the temperature response tube 19 through the elastic reset piece 17, the pair of elastic reset pieces 17 are fixedly connected between the heat conduction plate 16 and the temperature response tube 19, the upper end and the lower end of the temperature response tube 19 and the adjacent main cooling tube 14 are fixedly connected with the arc-shaped seat 18, the arc-shaped seat 18 is used for protecting and supporting the main cooling tube 14, the temperature response tube 19 is a special polyolefin heat-shrinkable sleeve tube which can also be called as an EVA material, the outer layer is formed by compounding and processing a high-quality soft cross-linked polyolefin material and an inner layer hot melt adhesive, the outer layer has the characteristics of insulation, corrosion resistance, wear resistance and the like, the inner layer has the advantages of low melting point, waterproof sealing, high adhesion and the like, and the high polymer material is required to be subjected to a glass state, the performance of the glass state is close to that of plastic, the performance of the high elastic state is close to that of rubber, the material used by the heat-shrinkable tube is in the glass state at room temperature and is changed into the high elastic state after being heated, the heat-shrinkable tube is heated to the high elastic state during production, a load is applied to expand the heat-shrinkable tube, the heat-shrinkable tube is rapidly cooled under the condition of keeping the expansion to enable the heat-shrinkable tube to enter the glass state, the heat-shrinkable tube is fixed in the glass state, the heat-shrinkable tube is changed back to the high elastic state when being heated during use, the heat-shrinkable tube retracts when the load is not applied, the heat-shrinkable tube carries out overall heat dissipation on each battery monomer 1 through a sub heat dissipation mechanism, the heat dissipation performance is adaptively adjusted through the temperature response mechanism and the sub heat dissipation mechanism according to the temperature distribution of the battery monomers 1, the uniform heat dissipation of the battery monomers 1 is realized, the proper battery temperature and the uniform temperature, reserve cooling tube 15 is located reserve cavity, is equipped with rigid link 20 between reserve cooling tube 15 and the adjacent main cooling tube 14, and rigid link 20 and adjacent main cooling tube 14 and reserve cooling tube 15 between same fixedly connected with arc seat 18, when battery monomer 1 bulk temperature is too high, a pair of reserve cooling tube 15 can play the effect of supplementary heat dissipation cooling.
The elastic reset piece 17 comprises a memory spring and a heat conducting net, the memory spring is made of shape memory alloy, the shape memory alloy is made of more than two metal elements which have shape memory effect through thermal elasticity, martensite phase transformation and inversion thereof, the shape memory alloy is the material with the best shape memory performance in the existing shape memory material, can be restored to the original shape after deformation and has extremely strong plasticity, toughness and high temperature resistance, and the heat conducting net is attached to the outer surface of the memory spring, so that heat in the battery monomer 1 can be guided to the temperature response tube 19, the temperature response tube 19 can respond according to the temperature, and the acting force for assisting the reset of the main cooling tube 14 can be provided.
Referring to fig. 2-3, each of the hydrogen electrode 102 and the oxygen electrode 103 includes a current collecting plate, a diffusion layer and a catalyst layer from outside to inside, the current collecting plate is used for separating reaction gas to collect current, the single battery cells 1 are connected in series and provide a channel for hydrogen and air to enter the electrode and water to be discharged through a flow field, the diffusion layer supports the catalyst layer to collect current and provides an electronic channel, a gas channel and a water discharge channel for electrochemical reaction, the catalyst layer is a region for electrochemical reaction and is a core part of the electrode, the hydrogen electrode 102 is made of a porous nickel sheet and a platinum and palladium catalyst, the oxygen electrode 103 is a porous silver sheet, and the asbestos film 104 is a asbestos film containing 35% caustic potash solution, so that the electrochemical reaction in the battery cells 1 is performed fully and orderly.
When the high-pressure hydrogen storage tank is used, hydrogen in the high-pressure hydrogen tank 6 enters the battery monomer 1 through the hydrogen inlet pipe 105, the air compressor introduces the obtained air into the battery monomer 1 through the oxygen inlet pipe 106, electrochemical reaction occurs in the battery monomer 1, please refer to fig. 7, chemical energy is converted into electric energy to realize a discharge function, meanwhile, cooling liquid of the cooling liquid tank 8 circularly flows among the main cooling pipes 14 in each battery monomer 1 through the circulating pipe to realize continuous heat dissipation on the battery monomer 1, when the overall temperature of the battery monomer 1 is too high, the temperature response pipes 19 uniformly contract at high temperature to force the standby cooling pipes 15 at the upper side and the lower side to move from the standby cavity to the annular cooling cavity 13 to perform auxiliary heat dissipation, so as to improve the overall heat dissipation effect, please refer to fig. 5, when the temperature of the upper end part of the battery monomer 1 is higher, the temperature response pipe 19 at the upper side contracts at high temperature, the adjacent main cooling pipe 14 and the standby cooling pipe 15 are close to each other to form a dense cooling area, so as to enhance the cooling performance of the upper end of the battery cell 1 and realize the uniformity of the overall temperature of the battery cell 1, please refer to fig. 6, when the temperature of the lower end of the battery cell 1 is higher, the temperature response pipe 19 at the lower side is contracted at high temperature, the adjacent main cooling pipe 14 and the standby cooling pipe 15 are close to each other to form a dense cooling area, so as to enhance the cooling performance of the lower end of the battery cell 1 and realize the uniformity of the overall temperature of the battery cell 1, the temperature response mechanism does not need to realize self-adaptive adjustment according to the temperature condition of the battery cell 1 under human intervention, the sub-cooling mechanism is used for uniformly cooling the battery cell 1, macroscopically, the wind power of the speed-regulating fan 5 is used for blowing the heat of the mounting case 2 upwards, and the process of heat dissipation is, the invention realizes the integral heat dissipation of the fuel cell body 001, on the other hand, the control panel 11 is used for controlling, the rotating speed wind power of the speed regulating fan 5 and the flow of the electromagnetic valve are adjusted in real time according to the temperature data acquired by the temperature sensor 12, so that the temperatures of the fuel cell body 001 and the battery monomer 1 are basically maintained at 70-80 ℃, the water distribution in the asbestos membrane 104 is improved, the transfer speed of protons in the asbestos membrane 104 is improved, the resistance of the asbestos membrane 104 is reduced, and the performance of the battery monomer 1 is improved.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a fuel cell car hydrogen fuel cell group and heat abstractor, includes fuel cell body (001), high-pressure hydrogen gas jar (6) and air compressor, its characterized in that: the fuel cell body (001) comprises an installation shell (2) and a plurality of battery packs (3), a pair of clapboards is fixedly connected in the installation shell (2), the installation shell (2) is divided into two battery pack placing cavities and a wind power heat dissipation cavity by the pair of clapboards, the wind power heat dissipation cavity is positioned at the lower end part of the installation shell (2), a wide-surface heat dissipation mechanism is connected on the installation shell (2), the wide-surface heat dissipation mechanism comprises a speed regulation fan (5) and a quick heat dissipation column (9), the speed regulation fan (5) is installed in the wind power heat dissipation cavity, the quick heat dissipation columns (9) are uniformly distributed at the upper end of the installation shell (2), the quick heat dissipation columns (9) and the air ventilation holes are arranged in a staggered mode, air ventilation holes are drilled in the installation shell (2) and the clapboards, the battery packs (3) are uniformly installed in the battery pack placing cavities, an electric cabinet (4) is installed between the adjacent battery packs (3), the battery pack is characterized in that a pair of overhead heat dissipation plates are connected between the battery pack (3) and the partition plates, the battery pack (3) comprises a plurality of battery monomers (1) which are connected in series, each battery monomer (1) comprises a shell (101), a hydrogen electrode (102), an oxygen electrode (103) and a asbestos membrane (104), the hydrogen electrode (102) and the oxygen electrode (103) are respectively located at the left end and the right end of the asbestos membrane (104), the left end of the shell (101) is communicated with a hydrogen inlet pipe (105), the hydrogen inlet pipe (105) is connected with a high-pressure hydrogen tank (6), the right end of the shell (101) is communicated with an oxygen inlet pipe (106), the oxygen inlet pipe (106) is connected with an air compressor, and a sub heat dissipation mechanism is arranged in each battery monomer (1.
2. The fuel cell vehicle hydrogen fuel cell stack and heat sink of claim 1, wherein: the sub-heat dissipation mechanism comprises a main cooling pipe (14), a standby cooling pipe (15) and a cooling liquid tank (8), an annular cooling cavity (13) is formed in the shell (101), a plurality of main cooling pipes (14) are uniformly distributed in the annular cooling cavity (13), a pair of main cooling pipes (14) and the cooling liquid tank (8) on the upper side and the lower side are communicated through circulating pipes, a booster pump and an electromagnetic valve are further connected between the cooling liquid tank (8) and the main cooling pipes (14), the main cooling pipes (14) are adjacent to each other through soft short pipes, a plurality of annular array distributed temperature response mechanisms are further connected between the main cooling pipes (14), each temperature response mechanism comprises a heat conduction plate (16), an elastic reset part (17) and a temperature response pipe (19), the heat conduction plate (16) is fixedly connected to one end side wall, close to the asbestos film (104), of the annular cooling cavity (13), a pair of elasticity piece (17) fixed connection is between heat-conducting plate (16) and temperature response pipe (19) that resets, fixedly connected with arc seat (18) between both ends and adjacent main cooling tube (14) about temperature response pipe (19).
3. The fuel cell vehicle hydrogen fuel cell stack and heat sink according to claim 1 or 2, wherein: still open in casing (101) and chisel the reserve cavity that has and annular cooling chamber (13) to be linked together, reserve cooling tube (15) are located the reserve cavity, be equipped with rigid link (20) between reserve cooling tube (15) and adjacent main cooling tube (14), same fixedly connected with arc seat (18) between rigid link (20) and adjacent main cooling tube (14) and reserve cooling tube (15).
4. The fuel cell vehicle hydrogen fuel cell stack and heat sink of claim 2, wherein: the elastic reset piece (17) comprises a memory spring and a heat conduction net, and the heat conduction net is attached to the outer surface of the memory spring.
5. The fuel cell vehicle hydrogen fuel cell stack and heat sink of claim 1, wherein: the hydrogen electrode (102) and the oxygen electrode (103) respectively comprise a current collecting plate, a diffusion layer and a catalytic layer from outside to inside, and the asbestos membrane (104) is a asbestos membrane containing 35% of caustic potash solution.
6. The fuel cell vehicle hydrogen fuel cell stack and heat sink of claim 1, wherein: casing (101) are close to hydrogen electrode (102) one end and cut there is the backward flow hole, communicate through the hydrogen back flow between backward flow hole and hydrogen intake pipe (105), casing (101) are close to oxygen electrode (103) one end and cut there is the hole in the water, the hole in the water has water storage box (7) through collecting water piping connection.
7. The fuel cell vehicle hydrogen fuel cell stack and heat sink of claim 1, wherein: the rapid heat dissipation column (9) comprises a heat conduction column and a plurality of heat dissipation fins, the heat dissipation fins are distributed on the outer surface of the heat conduction column, and the upper end of the rapid heat dissipation column (9) is fixedly connected with a heat dissipation ball (10).
8. The fuel cell vehicle hydrogen fuel cell stack and heat sink of claim 1, wherein: install on installation shell (2) one end lateral wall control panel (11) and temperature sensor (12), speed governing fan (5) and solenoid valve all with control panel (11) electric connection.
9. The fuel cell vehicle hydrogen fuel cell stack and heat sink of claim 1, wherein: the surface of the shell (101) is coated with a high-temperature-resistant insulating layer, and the heat-conducting silica gel is coated outside the high-temperature-resistant insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154318.0A CN111342075A (en) | 2020-03-07 | 2020-03-07 | Hydrogen fuel battery pack of fuel cell automobile and heat radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154318.0A CN111342075A (en) | 2020-03-07 | 2020-03-07 | Hydrogen fuel battery pack of fuel cell automobile and heat radiating device |
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| CN111342075A true CN111342075A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010154318.0A Withdrawn CN111342075A (en) | 2020-03-07 | 2020-03-07 | Hydrogen fuel battery pack of fuel cell automobile and heat radiating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067011A (en) * | 2021-03-22 | 2021-07-02 | 宁波瑞东技术转移有限公司 | Hydrogen energy automobile heat dissipation device |
| CN114883598A (en) * | 2022-06-17 | 2022-08-09 | 苏州氢洁电源科技有限公司 | Fuel cell thermal management system and thermal management method |
| CN115275262A (en) * | 2022-09-28 | 2022-11-01 | 新研氢能源科技有限公司 | Fuel cell equipment with temperature control function for new energy automobile |
-
2020
- 2020-03-07 CN CN202010154318.0A patent/CN111342075A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067011A (en) * | 2021-03-22 | 2021-07-02 | 宁波瑞东技术转移有限公司 | Hydrogen energy automobile heat dissipation device |
| CN114883598A (en) * | 2022-06-17 | 2022-08-09 | 苏州氢洁电源科技有限公司 | Fuel cell thermal management system and thermal management method |
| CN115275262A (en) * | 2022-09-28 | 2022-11-01 | 新研氢能源科技有限公司 | Fuel cell equipment with temperature control function for new energy automobile |
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Application publication date: 20200626 |