CN114400344B - Mounting mechanism for fuel cell - Google Patents
Mounting mechanism for fuel cell Download PDFInfo
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- CN114400344B CN114400344B CN202111523514.1A CN202111523514A CN114400344B CN 114400344 B CN114400344 B CN 114400344B CN 202111523514 A CN202111523514 A CN 202111523514A CN 114400344 B CN114400344 B CN 114400344B
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- fuel cell
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- fixedly connected
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
- B60L50/71—Arrangement of fuel cells within vehicles specially adapted for electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
- B60L50/72—Constructional details of fuel cells specially adapted for electric vehicles
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The invention provides an installation mechanism for a fuel cell, which comprises a buffering assembly, wherein the buffering assembly comprises a first assembly and a second assembly, the first assembly is a buffering elastic part, the buffering elastic part is fixedly connected to the side surface of a fuel cell main body, a buffering component is arranged in the second assembly, the second assembly is arranged at the bottom of the fuel cell main body, and the fuel cell main body is arranged in a fuel cell installation and storage box. Therefore, the fuel cell can solve the technical problems that the safety and the stability of the fuel cell are influenced due to the fact that the main body of the fuel cell is dislocated and collapses due to uneven stress in the bumping process because the existing fuel cell is directly connected with the shell through the screw and lacks of the buffer assembly.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to an installation mechanism for a fuel cell.
Background
The fuel cell is mainly applied to the fields of new energy automobiles and the like, and when the fuel cell is installed, the fuel cell is placed in a shell, and then the shell is installed on the new energy automobiles;
the existing connection between the fuel cell and the shell is direct screw connection, and the problem that the fuel cell has main body dislocation, waist collapse and the like due to uneven stress in the bumping process is caused due to the lack of a buffer component, so that the use safety and stability of the fuel cell are influenced.
Disclosure of Invention
The invention provides an installation mechanism for a fuel cell, which is used for solving the technical problems that the safety and the stability of the fuel cell are influenced due to the fact that the main body of the fuel cell is dislocated and collapses due to uneven stress in the bumping process because the existing connection between the fuel cell and a shell is direct screw connection and lacks of a buffer component.
In order to solve the technical problem, the invention discloses an installation mechanism for a fuel cell, which comprises a buffering assembly, wherein the buffering assembly comprises a first assembly and a second assembly, the first assembly is a buffering elastic piece, the buffering elastic piece is fixedly connected to the side surface of a fuel cell main body, a buffering component is arranged in the second assembly, the second assembly is arranged at the bottom of the fuel cell main body, and the fuel cell main body is arranged in a fuel cell installation and storage box body.
Preferably, the second assembly comprises a vibration transmission assembly and a buffering execution assembly, one end of the vibration transmission assembly is fixedly connected with the bottom of the fuel cell main body, the other end of the vibration transmission assembly is connected with the buffering execution assembly, the vibration transmission assembly is used for transmitting vibration to the buffering execution assembly, and the buffering execution assembly is used for reducing impact of the vibration on the fuel cell main body.
Preferably, the vibration transmission assembly comprises a T-shaped sleeve, a T-shaped table is connected in the T-shaped sleeve in an up-and-down sliding mode, and a first elastic piece is fixedly connected between the T-shaped table and the inner wall of the T-shaped sleeve.
Preferably, be equipped with spacing platform on the T type pole, the cover is equipped with the fourth elastic component between T type platform and the spacing platform on the T type pole, and T type bench cover is equipped with the T type pole that two symmetry were arranged, and T type pole one end is passed through second elastic component sliding connection in T type cover, and T type pole other end rotates and is connected with first gyro wheel.
Preferably, the buffering executing assembly comprises an executing connecting rod hinged to the T-shaped table, a first sliding groove is formed in the executing connecting rod, a first roller is connected into the first sliding groove in a sliding mode, a second roller is hinged to one end, away from the T-shaped table, of the executing connecting rod, the second roller is connected into a second sliding groove in the fuel cell mounting and storing box in a sliding mode, and a third elastic piece is arranged in the second sliding groove.
Preferably, a net-shaped connecting plate is arranged at the top of the fuel cell main body, the net-shaped connecting plate is in screw connection with the top of the fuel cell main body, and an elastic component is arranged on one surface, in contact with the fuel cell main body, of the net-shaped connecting plate and used for buffering and absorbing vibration.
Preferably, the fuel cell installation and storage box body is provided with a cover body, and the inner wall of the cover body is fixedly connected with a plurality of fifth elastic pieces which are uniformly arranged.
Preferably, the fuel cell installation and storage box body is of a hollow structure, a hollow cavity is arranged in the fuel cell installation and storage box body, a plurality of safety measure components are arranged in the hollow cavity, and the safety measure components are used for intelligent heat dissipation of the fuel cell main body;
the safety measure assembly comprises a U-shaped guide rod, the U-shaped guide rod is fixedly connected to the inner wall of the hollow cavity, a trapezoidal sliding block is connected to the U-shaped guide rod in a sliding mode, one side of the trapezoidal sliding block is an inclined plane, a first reset elastic piece is sleeved on the U-shaped guide rod, a connecting rod is fixedly connected to the trapezoidal sliding block, one end, away from the trapezoidal sliding block, of the connecting rod is fixedly connected with an executing magnet, a first driving electromagnet and a second driving electromagnet are arranged on the inner wall of the hollow cavity, a first power supply piece is arranged on the first driving electromagnet and used for supplying power to the first driving electromagnet, a second power supply piece is arranged on the second driving electromagnet and used for supplying power to the second driving electromagnet, the first driving electromagnet is opposite to the executing magnet in magnetism, and the second driving electromagnet is the same as the executing magnet in magnetism;
the fuel cell installation and storage box is characterized in that an execution guide rod is fixedly connected to the inner wall of the hollow cavity, an execution sleeve is connected to the execution guide rod in a sliding manner, a second reset elastic piece is arranged on the execution guide rod, a connecting seat is fixedly connected to the execution sleeve, an execution roller is connected to the connecting seat in a rotating manner through a roller rod piece, the execution roller is used for being matched with the inclined plane, an L-shaped connecting rod is fixedly connected to the bottom of the connecting seat, the L-shaped connecting rod is far away from one end of the connecting seat and is fixedly connected with a hydrogen sensor, the hydrogen sensor is electrically connected with a second power supply piece and is used for controlling the working state of the second power supply piece, a hydrogen sensor detection outlet is formed in the fuel cell installation and storage box, a guide hole is formed in the execution guide rod, the rod is connected to the guide rod in a sliding manner, a trigger cap is sleeved at one end of the rod piece, a third reset elastic piece is arranged on the inner wall of the trigger cap, a roller rod is fixedly connected to the hollow cavity inner wall, a roller connecting rod is fixedly connected to the hollow cavity inner wall, one end of the roller connecting rod is connected with a rotating reset roller, an exhaust hole is connected with a fan, the inclined plane of the wedge plate and is used for being matched with the inclined plane of the wedge plate, the hollow cavity inner wall, the infrared sensor is used for sensing the position of the fan sensor, the fan sensor is electrically connected with the fan, and is used for sensing the exhaust hole, and is used for sensing the exhaust position of the exhaust control box, and is correspondingly arranged on the exhaust hole of the exhaust control box, and is arranged on the exhaust of the fuel cell;
the hydrogen sensor is electrically connected with a buzzer, and the buzzer is used for emergency alarm.
Preferably, the fuel cell installation storage box body is installed in an installation groove of the automobile main body through two symmetrically arranged clamping mechanisms, and the clamping mechanisms are used for clamping the fuel cell installation storage box body.
Preferably, the clamping mechanism comprises two symmetrically arranged worms, a worm driving part is arranged on each worm, the worm driving part is used for driving the worm to rotate, the worm is rotatably connected to the automobile main body, a worm wheel and a first gear are rotatably connected to the automobile main body, the worm wheel and the first gear are coaxial, the worm wheel is meshed with the worm, a second gear is rotatably connected to the automobile main body, the first gear is meshed with the second gear, a first short rod is fixedly connected to the automobile main body, a second short rod is fixedly connected to the second gear, the second gear is connected with a T-shaped transmission part through the second short rod, a first notch and a second notch are formed in the T-shaped transmission part, the first short rod and the second short rod are respectively sleeved in the first notch and the second notch, a rack is fixedly connected to the T-shaped transmission part, a support frame is fixedly connected to the automobile main body, a main shaft is rotatably connected to the support frame, a gear and an execution worm are connected to the main shaft through a key, the gear is meshed with the rack, an execution worm wheel and an execution cam are rotatably connected to the automobile main body, a steel guide rod is provided with a steel disc, and a steel disc for executing spring disc for executing knocking, and a knocking operation is sleeved on the steel guide rod;
the fuel cell mounting and storing box body is provided with a clamping main body mounting groove corresponding to the clamping main body;
the worm is connected with a threaded sleeve in a threaded manner, the worm is connected with a sucker connecting sleeve in a sliding manner, and a sucker is fixedly connected to the sucker connecting sleeve.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view B of FIG. 1 according to the present invention.
FIG. 3 is a schematic diagram of a web-shaped connecting plate according to the present invention.
FIG. 4 is a schematic view of the safety assembly installation location of the present invention.
Fig. 5 is a partial enlarged view a of the safety measure assembly of the present invention.
FIG. 6 is a schematic structural view of a clamping mechanism according to the present invention.
In the figure: 1. a fuel cell main body; 2. the fuel cell is installed and stored the container body; 3. a buffer assembly; 300. a first component; 3000. a buffer elastic member; 301. a second component; 302. a vibration transmission assembly; 3020. a T-shaped sleeve; 3021. a T-shaped table; 3022. a first elastic member; 3023. a T-shaped rod; 3024. a second elastic member; 3025. a limiting table; 3026. a fourth elastic member; 3027. a first roller; 303. a buffer execution component; 3030. an execution connecting rod; 3031. a first chute; 3032. a second roller; 3033. a second chute; 3034. a third elastic member; 304. a mesh connecting plate; 305. a cover body; 306. a fifth elastic member; 4. a security measure component; 400. a U-shaped guide rod; 4000. a first return spring; 4001. a connecting rod; 4002. an actuating magnet; 4003. a first driving electromagnet; 4004. a second driving electromagnet; 4005. a first power supply member; 4006. a second power supply; 4007. executing a guide rod; 4008. an execution sleeve; 4009. a second return spring; 401. a trapezoidal slider; 4010. a connecting seat; 4011. a roller bar member; 4012. executing a roller; 4013. an L-shaped connecting rod; 4014. a hydrogen sensor; 4015. a hydrogen sensor probe outlet; 4016. a guide hole; 4017. a rod member; 4018. a trigger cap; 4019. a third return spring; 402. a bevel; 4020. a wedge plate; 4021. a roller connecting rod; 4022. resetting the roller; 4023. an infrared sensor; 4024. an exhaust fan; 4025. an exhaust hole; 5. a clamping mechanism; 500. mounting grooves; 5000. a second gear; 5001. a first short bar; 5002. a second short bar; 5003. a T-shaped transmission part; 5004. a first notch; 5005. a second notch; 5006. a rack; 5007. a support frame; 5008. a main shaft; 5009. a gear; 501. an automobile body; 5010. an actuator worm; 5011. an actuator worm gear; 5012. an actuation cam; 5013. a steel disc; 5014. a steel disc return spring; 5015. knocking the steel block; 5016. clamping the connecting rod; 5017. clamping the main body; 5018. a threaded sleeve; 5019. a sucker connecting sleeve; 502. a worm; 5020. a suction cup; 5021. clamping the main body mounting groove; 5022. a steel disc guide rod; 503. a worm gear; 504. a first gear.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
The present invention provides the following examples:
example 1
The embodiment of the invention provides a mounting mechanism for a fuel cell, as shown in fig. 1-6, comprising a buffer assembly 3, wherein the buffer assembly 3 comprises a first assembly 300 and a second assembly 301, the first assembly 300 is a buffer elastic member 3000, the buffer elastic member 3000 is fixedly connected to the side surface of a fuel cell main body 1, a buffer component is arranged in the second assembly 301, the second assembly 301 is arranged at the bottom of the fuel cell main body 1, and the fuel cell main body 1 is arranged in a fuel cell mounting and storing box 2.
The working principle and the beneficial effects of the technical scheme are as follows: because fuel cell main part 1 with it makes to be equipped with buffering elastic component 3000 and buffer part between fuel cell installation is deposited box 2 fuel cell main part 1 can be cushioned at the impact that the in-process received of jolting, avoids fuel cell main part 1 to take place main part dislocation, waist etc. problem that collapses because of the atress is uneven at the in-process of jolting, has solved being connected for screw lug connection between current fuel cell and the casing, lacks the buffering subassembly, leads to fuel cell to take place main part dislocation, waist etc. problem because of the atress is uneven at the in-process of jolting, has influenced the technical problem of fuel cell safety and stability that uses.
Example 2
On the basis of the above embodiment 1, the second assembly 301 includes a vibration transmission assembly 302 and a buffer execution assembly 303, one end of the vibration transmission assembly 302 is fixedly connected to the bottom of the fuel cell main body 1, the other end of the vibration transmission assembly 302 is connected to the buffer execution assembly 303, the vibration transmission assembly 302 is used for transmitting vibration to the buffer execution assembly 303, and the buffer execution assembly 303 is used for absorbing impact of vibration on the fuel cell main body 1;
the vibration transmission assembly 302 comprises a T-shaped sleeve 3020, a T-shaped table 3021 is connected in the T-shaped sleeve 3020 in an up-and-down sliding manner, and a first elastic piece 3022 is fixedly connected between the T-shaped table 3021 and the inner wall of the T-shaped sleeve 3020;
a limiting table 3025 is arranged on the T-shaped rod 3023, a fourth elastic member 3026 is sleeved between the T-shaped table 3021 and the limiting table 3025 on the T-shaped rod 3023, two T-shaped rods 3023 which are symmetrically arranged are sleeved on the T-shaped table 3021, one end of the T-shaped rod 3023 is slidably connected in the T-shaped sleeve 3020 through a second elastic member 3024, and the other end of the T-shaped rod 3023 is rotatably connected with a first roller 3027;
the buffer execution assembly 303 comprises an execution connecting rod 3030 hinged on the T-shaped table 3021, a first sliding chute 3031 is arranged on the execution connecting rod 3030, a first roller 3027 is connected in the first sliding chute 3031 in a sliding manner, a second roller 3032 is hinged at one end of the execution connecting rod 3030 far away from the T-shaped table 3021, the second roller 3032 is connected in a second sliding chute 3033 in the fuel cell installation and storage box body 2 in a sliding manner, and a third elastic member 3034 is arranged in the second sliding chute 3033;
the top of the fuel cell body 1 is provided with a net-shaped connecting plate 304, the net-shaped connecting plate 304 is connected with the top of the fuel cell body 1 through screws, and one surface of the net-shaped connecting plate 304, which is in contact with the fuel cell body 1, is provided with an elastic component (the elastic component can be a rubber spring, a spiral spring, a gas spring and other elastic components) which is used for buffering and absorbing vibration;
the fuel cell installation and storage box body 2 is provided with a cover body 305, and the inner wall of the cover body 305 is fixedly connected with a plurality of fifth elastic pieces 306 which are uniformly arranged.
The working principle and the beneficial effects of the technical scheme are as follows: when the fuel cell main body 1 is impacted by vibration generated by bumping, the vibration is transmitted to the T-shaped sleeve 3020, part of the vibration is transmitted to the T-shaped table 3021 from the T-shaped sleeve 3020, so that the T-shaped table 3021 slides downwards to drive the execution connecting rod 3030 to move, the execution connecting rod 3030 drives the second roller 3032 to move along the second sliding chute 3033, and the second roller 3032 moves along the second sliding chute 3033 to abut against the third elastic member 3034, so that the vibration is reduced;
a part of the vibration is transmitted to the first roller 3027 through the T-shaped rod 3023, so that the first roller 3027 rolls along the first sliding slot 3031, the kinetic energy of the vibration is converted into the kinetic energy of the first roller 3027, the first elastic member 3022, the second elastic member 3024, the third elastic member 3034 and the fourth elastic member all play a role in buffering and absorbing the vibration during the vibration transmission, and the second assembly 301 is designed so that the impact applied to the fuel cell main body 1 during the bumping process can be buffered, thereby avoiding the problems of main body dislocation, waist collapse and the like caused by uneven force application during the bumping process of the fuel cell main body 1;
the design of the mesh-shaped connecting plate 304 makes all parts of the fuel cell main body 1 uniformly stressed, and is not easy to cause problems of main body dislocation, waist collapse and the like due to uneven stress in the bumping process, and the design of the fifth elastic member 306 plays a role in buffering and absorbing vibration generated in the bumping process of the fuel cell main body 1.
Example 3
On the basis of embodiment 1 or 2, the fuel cell installation and storage box body 2 is a hollow structure, a hollow cavity 200 is arranged in the fuel cell installation and storage box body, a plurality of safety measure assemblies 4 are arranged in the hollow cavity 200, and the safety measure assemblies 4 are used for intelligent heat dissipation of the fuel cell main body 1;
the safety measure assembly 4 comprises a U-shaped guide rod 400, the U-shaped guide rod 400 is fixedly connected to the inner wall of the hollow cavity 200, a trapezoidal sliding block 401 is connected to the U-shaped guide rod 400 in a sliding manner, one side of the trapezoidal sliding block 401 is an inclined plane 402, a first reset elastic piece 4000 is sleeved on the U-shaped guide rod 400, a connecting rod 4001 is fixedly connected to the trapezoidal sliding block 401, an execution magnet 4002 is fixedly connected to one end, away from the trapezoidal sliding block 401, of the connecting rod 4001, a first driving electromagnet 4003 and a second driving electromagnet 4004 are arranged on the inner wall of the hollow cavity 200, a first power supply piece 4005 is arranged on the first driving electromagnet 4003, the first power supply piece 4005 is used for supplying power to the first driving electromagnet 4003, a second power supply piece 4006 is arranged on the second driving electromagnet 4004, the first driving electromagnet 4003 is opposite to the execution magnet 4002 in magnetism, and the second driving electromagnet 4004 is the same as the execution magnet 4002 in magnetism;
well cavity 200 inner wall fixedly connected with carries out guide arm 4007, it carries out cover 4008 to carry out sliding connection on the guide arm 4007, it resets elastic component 4009 to be equipped with the second on the execution guide arm 4007, fixedly connected with connecting seat 4010 on carrying out cover 4008, it is connected with execution gyro wheel 4012 to rotate through gyro wheel member 4011 on the connecting seat 4010, execution gyro wheel 4012 be used for with inclined plane 402 is mutually supported, connecting seat 4010 bottom fixedly connected with L type connecting rod 4013, L type connecting rod 4013 keeps away from the one end fixedly connected with hydrogen sensor 4014 of connecting seat 4010, hydrogen sensor 4014 with second power supply 4006 electricity is connected, is used for control second power supply 4006's operating condition, the fuel cell installation is deposited and is equipped with hydrogen sensor on 2 and is visited outlet 4015, the guide hole 4016 has been seted up on carrying out guide arm 4007, a rod piece 4017 is slidably connected in the guide hole 4016, one end of the rod piece 4017 is slidably sleeved with a trigger cap 4018, a third reset elastic piece 4019 is arranged on the inner wall of the trigger cap 4018, a wedge plate 4020 is fixedly connected to the trigger cap 4018, a roller connecting rod 4021 is fixedly connected to the inner wall of the hollow cavity 200, one end, far away from the inner wall of the hollow cavity 200, of the roller connecting rod 4021 is rotatably connected with a reset roller 4022, the reset roller 4022 is used for being matched with an inclined plane of the wedge plate 4020, an infrared sensor 4023 is arranged on the inner wall of the hollow cavity 200, the infrared sensor 4023 is used for sensing the position of the rod piece 4017, the infrared sensor 4023 is electrically connected with an exhaust fan 4024 in the hollow cavity 200 and used for controlling the rotation of the exhaust fan 4024, and a plurality of exhaust holes 4025 corresponding to the position of the exhaust fan 4024 are formed in the fuel cell installation and storage box 2;
the hydrogen sensor 4014 is electrically connected to a buzzer for emergency alarm.
The working principle and the beneficial effects of the technical scheme are as follows: during operation first power supply piece 4005 is first drive electro-magnet 4003 supplies power, first drive electro-magnet 4003 get electric right executive magnet 4002 plays the repulsion effect, later be in executive magnet 4002's effect down connecting rod 4001 downstream, connecting rod 4001 downstream drives trapezoidal slider 401 is followed U type guide arm 400 downstream, compress first elastic component 4000 that resets, trapezoidal slider 401 is followed U type guide arm 400 downstream is in the promotion under executive roller 4012's the effect connecting seat 4010 moves right, connecting seat 4010 moves and makes executive sleeve 4008 is followed executive guide arm 4007 moves right, connecting seat 4010 moves right and is in L type connecting rod 4013's effect drives hydrogen sensor 4014 stretches out hydrogen sensor probes mouth 4015 detects the hydrogen concentration around fuel cell main part 1, when the hydrogen sensor 4014 detects that the hydrogen concentration exceeds the hydrogen concentration around the preset fuel cell main body 1 (at this time, hydrogen leakage occurs in the fuel cell main body 1 stack), the hydrogen sensor 4014 controls the second power supply part 4006 to be opened, so that the second driving electromagnet 4004 is powered, the execution magnet 4002 continues to move downward, so that the inclined surface 402 of the trapezoidal sliding block 401 pushes the trigger cap 4018 to move rightward, the trigger cap 4018 moves rightward and compresses the third reset elastic part 4019, then the execution magnet 4002 continues to move downward, so that the trapezoidal sliding block 401 continues to move downward below the trigger cap 4018, and at this time, one end, far away from the trigger cap 4018, of the rod 4017 passes through the infrared sensor 4023, the infrared sensor 4023 senses the rod 4017 and then controls the exhaust fan 4024 to rotate, the exhaust fan 4024 drives the circulation of air flow, leaked hydrogen enters the hollow cavity 200 through the exhaust hole 4025 close to one side of the fuel cell main body 1, the exhaust fan 4024 is far away from the exhaust hole 4025 of the fuel cell main body 1, when the hydrogen around the fuel cell main body 1 is discharged to the detection value of the hydrogen sensor 4014 in a normal safety range, the hydrogen sensor 4014 controls the buzzer to give an alarm to remind a worker to perform maintenance treatment on the fuel cell main body 1 (the safety measure component 4 selects to rapidly discharge hydrogen when the hydrogen concentration exceeds the standard, and the buzzer gives an alarm after the hydrogen is discharged to the safety concentration, directly gives an alarm after the hydrogen leakage, thereby ensuring the life safety of the maintenance worker, the effect of buzzer is equivalent to reminding the staff "be the safety maintenance state this moment"), meanwhile hydrogen sensor 4014 control second power supply 4006 is closed, execution magnet 4002 loses the effect of second drive electro-magnet 4004 first reset elastic component 4000 elastic force trapezoidal slider 401, upward movement under the effect of connecting rod 4001, trapezoidal slider 401 promotes in the process of upward movement trigger cap 4018 upward movement, trigger cap 4018 upward movement drives the member 4017 and keeps away from the one end of trigger cap 4018 is not sheltering infrared sensor 4023, infrared sensor 4023 control this moment exhaust fan 4024 stall, trigger cap 4018 upwards move to the inclined plane of wedge 4020 with reset roller 4022 after the contact of roller 4022 the effect of roller 4022 that wedge 4020 drives trigger cap 4018 right movement, the right movement of the trigger cap 4018 drives the trapezoidal sliding block 401 to change from a state below the trigger cap 4018 to a state above the trigger cap 4018, and then the trapezoidal sliding block 401 continues to move upwards until the trapezoidal sliding block moves to the original position;
the safety measure assembly 4 realizes the rapid discharge of hydrogen when the fuel cell main body 1 leaks hydrogen from the stack, avoids the occurrence of explosion and other conditions caused by hydrogen leakage, and improves the use safety of the fuel cell main body 1.
Example 4
On the basis of embodiment 1, the fuel cell installation and storage box 2 is installed in the installation groove 500 of the automobile main body 501 through two symmetrically arranged clamping mechanisms 5, and the clamping mechanisms 5 are used for clamping the fuel cell installation and storage box 2;
the clamping mechanism 5 comprises two worms 502 which are symmetrically arranged, a worm driving part is arranged on the worm 502 and used for driving the worm 502 to rotate, the worm 502 is rotatably connected to an automobile main body 501, the automobile main body 501 is rotatably connected with a worm wheel 503 and a first gear 504, the worm wheel 503 is coaxial with the first gear 504, the worm wheel 503 is meshed with the worm 502, the automobile main body 501 is rotatably connected with a second gear 5000, the first gear 504 is meshed with the second gear 5000, the automobile main body 501 is fixedly connected with a first short rod 5001, the second gear 5000 is fixedly connected with a second short rod 5002, the second gear 5000 is connected with a T-shaped transmission part 5003 through the second short rod 5002, and the T-shaped transmission part 5003 is provided with a first notch 5004 and a second notch 5005, the automobile body 501 is fixedly connected with a support frame 5007, the support frame 5007 is rotatably connected with a spindle 5008, the spindle 5008 is connected with a gear 5009 and an executing worm 5010 in a key manner, the gear 5009 is mutually meshed with the rack 5006, the automobile body 501 is rotatably connected with an executing worm 5011 and an executing cam 5012, the executing worm 5010 is mutually meshed with the executing worm 5011, the automobile body 501 is provided with a steel disc guide rod 5022, the steel disc guide rod 5022 is connected with a steel disc 5013 in a sliding manner, the steel disc guide rod 5022 is sleeved with a steel disc return spring 5014, and the working end of the executing cam 5012 is provided with a knocking steel block 5015;
the T-shaped transmission piece 5003 is fixedly connected with two symmetrically arranged clamping connecting rods 5016, the clamping connecting rods 5016 are connected to the automobile body 501 in a left-right sliding mode through guide grooves, one end, far away from the T-shaped transmission piece 5003, of each clamping connecting rod 5016 is provided with a clamping body 5017, and the fuel cell installation and storage box body 2 is provided with a clamping body installation groove 5021 corresponding to the clamping body 5017;
threaded connection has thread bush 5018 on the worm 502, sliding connection has sucking disc adapter sleeve 5019 on the worm 502, fixedly connected with sucking disc 5020 on the sucking disc adapter sleeve 5019.
The working principle and the beneficial effects of the technical scheme are as follows: when the fuel cell installation storage box body 2 is installed, the fuel cell installation storage box body 2 is placed in the installation groove 500, then the worm driving piece drives the worm 502 to rotate, the worm 502 rotates to drive the worm wheel 503 to rotate, the worm wheel 503 rotates to drive the thread sleeve 5018 to move and press the sucker connecting sleeve 5019 so that the sucker connecting sleeve 5019 extends outwards, the sucker connecting sleeve 5019 extends outwards so that the sucker 5020 presses the outer wall of the fuel cell installation storage box body 2, and the sucker 5020 is designed to not only press the fuel cell installation storage box body 2 but also play a role in buffering and absorbing vibration for the fuel cell installation storage box body 2;
the worm wheel 503 rotates to drive the first gear 504 to rotate, the first gear 504 rotates to drive the second gear 5000 to rotate, the second gear 5000 rotates to drive the T-shaped transmission piece 5003 to move, and the T-shaped transmission piece 5003 moves to drive the clamping connecting rod 5016 to move, so that the clamping main body 5017 is installed into the clamping main body installation groove 5021;
meanwhile, the T-shaped transmission member 5003 moves to drive the rack 5006 to move under the action of the first short rod 5001, the rack 5006 moves to drive the gear 5009 to rotate, the gear 5009 rotates to drive the main shaft 5008 to rotate, the main shaft 5008 rotates to drive the executing worm 5010 to rotate, the executing worm 5010 rotates to drive the executing worm 5011 to rotate, the executing worm 5011 rotates to drive the executing cam 5012 to rotate, the executing cam 5012 rotates to enable the knocking steel block 5015 to knock the steel disc 5013 to make a sound to remind a worker that the fuel cell installation storage box 2 is installed in place, the clamping mechanism 5 ensures that the installation position of the fuel cell installation storage box 2 is accurate, and the knocking steel block 5015 and the steel disc 5013 can remind the worker of the installation of the fuel cell installation storage box 2 whether to be installed in place or not.
Example 5
On the basis of embodiment 1, the method further comprises the following steps:
the fuel cell main body fault alarm system is used for detecting the working state of the fuel cell main body 1 and giving an alarm when the fuel cell main body 1 works abnormally;
the fuel cell main body alarm system includes:
a voltage sensor provided on the fuel cell main body 1 for detecting an output voltage of the fuel cell main body 1;
a temperature sensor provided in the fuel cell main body 1 for detecting an actual temperature of the fuel cell main body 1 during operation;
the air pressure sensor is arranged at the outlet of the air compressor of the fuel cell main body 1 and used for detecting the air pressure value at the outlet of the air compressor; wherein the gas compressor is used for supplying compressed air (oxygen is contained in the compressed air) to the fuel cell main body 1;
a timer provided on the fuel cell main body 1 for detecting an operating time of the fuel cell main body 1;
the controller, the alarm, the controller with voltage sensor temperature sensor baroceptor the time-recorder with the alarm electricity is connected, the controller is based on voltage sensor temperature sensor baroceptor the baroceptor with the time-recorder control the alarm is reported to the police, including following step:
the method comprises the following steps: calculating an actual power generation efficiency of the fuel cell main body 1 based on the voltage sensor, the temperature sensor, the air pressure sensor, the timer, and formula (1):
wherein the content of the first and second substances,
for the actual power generation efficiency of the fuel cell main body 1, U st Is the detected value of the voltage sensor, Y is the number of the cells of the fuel cell main body 1, H α Is the enthalpy value, T, of the hydrogen-oxygen reaction in the fuel cell main body 1 st Is a detected value of the temperature sensor, V st As a value detected by the air pressure sensor, T 0 For a predetermined operating temperature, V, of the fuel cell main body 1 0 Is the air pressure value at the outlet of the air compressor, the natural logarithm of In with e as the base, the epsilon is a Faraday constant,
the enthalpy of the hydrogen-oxygen reaction in the fuel cell main body 1 is influenced by the temperature and the air pressure;
step two: based on the step one and the formula (2), the actual effective operating efficiency of the fuel cell main body 1 is calculated:
wherein, the first and the second end of the pipe are connected with each other,
for the practical and effective operation efficiency of the fuel cell main body 1,
taking the actual power generation efficiency of the fuel cell main body 1, wherein e is a natural number, the value is 2.71, t is a detection value of the timer, th is the preset service life of the fuel cell main body 1, A is the power generation efficiency consumption ratio of an air compressor of the fuel cell main body 1, B is the power generation efficiency consumption ratio of a radiator of the fuel cell main body 1, C is the power generation efficiency consumption ratio of a hydrogen reflux pump of the fuel cell main body 1, and D is the power generation efficiency consumption ratio of other auxiliary equipment (such as a humidifier, a cooler and the like) of the fuel cell main body 1;
step three: the controller compares the actual effective working efficiency of the fuel cell main body 1 with the preset effective working efficiency of the fuel cell main body 1, and if the actual effective working efficiency of the fuel cell main body 1 is smaller than the preset effective working efficiency of the fuel cell main body 1, the alarm gives an alarm.
The working principle and the beneficial effects of the technical scheme are as follows: suppose U st ＝28V；Y＝10；H α ＝-286000J/mol；∈＝96485C/mol；T st ＝50℃；V st ＝150kPa；T 0 ＝25℃；V 0 =105kPa; to obtain
Assume t =0.5 years; th =10 years; a =0.07; b =0.05; c =0.03; d =0.05; to obtain
If the preset effective working efficiency of the fuel cell main body 1 is 70%, the controller controls the alarm to give an alarm at the moment, and the fuel cell main body 1 is proved to be in fault;
when calculating the actual power generation efficiency of the fuel cell main body 1, the operation is introduced
(the enthalpy of the hydrogen-oxygen reaction in the fuel cell main body 1 is influenced by the temperature and the air pressure) makes the actual power generation efficiency calculation of the fuel cell main body 1 more accurate, subtracts the air compressor, the radiator, the hydrogen reflux pump and other auxiliary equipment of the fuel cell main body 1 to the generated energy of the fuel cell main body 1 is consumed when the actual effective working efficiency of the fuel cell main body 1 is calculated, so that the actual effective working efficiency of the fuel cell main body 1 is more accurate, and the design of the fuel cell main body fault alarm system makes the fuel cell main body 1 can give an alarm in time when the power generation is in fault, and reminds the operator to maintain the fuel cell main body 1.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The mounting mechanism for the fuel cell is characterized by comprising a buffering assembly (3), wherein the buffering assembly (3) comprises a first assembly (300) and a second assembly (301), the first assembly (300) is a buffering elastic part (3000), the buffering elastic part (3000) is fixedly connected to the side surface of a fuel cell main body (1), a buffering part is arranged in the second assembly (301), the second assembly (301) is arranged at the bottom of the fuel cell main body (1), and the fuel cell main body (1) is arranged in a fuel cell mounting and storing box body (2);
the fuel cell installation and storage box body (2) is installed in an installation groove (500) of an automobile main body (501) through two symmetrically arranged clamping mechanisms (5), and the clamping mechanisms (5) are used for clamping the fuel cell installation and storage box body (2);
the clamping mechanism (5) comprises two symmetrically arranged worms (502), a worm driving piece is arranged on the worm (502), the worm driving piece is used for driving the worm (502) to rotate, the worm (502) is rotationally connected to an automobile body (501), a worm wheel (503) and a first gear (504) are rotationally connected to the automobile body (501), the worm wheel (503) and the first gear (504) are coaxial, the worm wheel (503) is meshed with the worm (502) mutually, a second gear (5000) is rotationally connected to the automobile body (501), the first gear (504) is meshed with the second gear (5000) mutually, a first short rod (5001) is fixedly connected to the automobile body (501), a second short rod (5002) is fixedly connected to the second gear (5000), a T-shaped transmission piece (5003) is connected to the second short rod (5002), a first notch (5004) and a second notch (5005) are arranged on the T-shaped transmission piece (5003), the first notch (5001) and the second notch (5002) are fixedly connected to a T-shaped transmission piece (5006), and a rack notch (5006) is respectively arranged on the second short rod (5003), the automobile steering wheel is characterized in that a main shaft (5008) is connected to the support frame (5007) in a rotating mode, a gear (5009) and an executing worm (5010) are connected to the main shaft (5008) in a key mode, the gear (5009) is meshed with the rack (5006) in an engaged mode, an executing worm wheel (5011) and an executing cam (5012) are connected to the automobile main body (501) in a rotating mode, the executing worm (5010) is meshed with the executing worm wheel (5011) in an engaged mode, a steel disc guide rod (5022) is arranged on the automobile main body (501), a steel disc (5013) is connected to the steel disc guide rod (5022) in a sliding mode, a steel disc reset spring (5014) is sleeved on the steel disc guide rod (5022), and a knocking steel block (5015) is arranged at the working end of the executing cam (5012);
the T-shaped transmission piece (5003) is fixedly connected with two symmetrically arranged clamping connecting rods (5016), the clamping connecting rods (5016) are connected to the automobile body (501) in a left-right sliding mode through guide grooves, a clamping body (5017) is arranged at one end, far away from the T-shaped transmission piece (5003), of each clamping connecting rod (5016), and a clamping body mounting groove (5021) corresponding to the clamping body (5017) is formed in the fuel cell mounting and storing box body (2);
threaded connection has thread bush (5018) on worm (502), sliding connection has sucking disc adapter sleeve (5019) on worm (502), fixedly connected with sucking disc (5020) on sucking disc adapter sleeve (5019).
2. The mounting mechanism for the fuel cell according to claim 1, wherein the second component (301) comprises a vibration transmission component (302) and a buffer execution component (303), one end of the vibration transmission component (302) is fixedly connected with the bottom of the fuel cell main body (1), the other end of the vibration transmission component (302) is connected with the buffer execution component (303), the vibration transmission component (302) is used for transmitting vibration to the buffer execution component (303), and the buffer execution component (303) is used for absorbing impact of the vibration on the fuel cell main body (1).
3. The mounting mechanism for a fuel cell as claimed in claim 2, wherein the vibration transmission assembly (302) comprises a T-shaped sleeve (3020), a T-shaped table (3021) is slidably connected up and down in the T-shaped sleeve (3020), and a first elastic member (3022) is fixedly connected between the T-shaped table (3021) and the inner wall of the T-shaped sleeve (3020).
4. The mounting mechanism for the fuel cell as claimed in claim 3, wherein a limit stop (3025) is provided on the T-shaped rod (3023), a fourth elastic member (3026) is sleeved on the T-shaped rod (3023) between the T-shaped table (3021) and the limit stop (3025), two T-shaped rods (3023) are symmetrically arranged on the T-shaped table (3021), one end of the T-shaped rod (3023) is slidably connected in the T-shaped sleeve (3020) through the second elastic member (3024), and the other end of the T-shaped rod (3023) is rotatably connected with the first roller (3027).
5. The mounting mechanism for a fuel cell according to claim 3,
the buffer execution assembly (303) comprises an execution connecting rod (3030) hinged to the T-shaped table (3021), a first sliding chute (3031) is formed in the execution connecting rod (3030), a first roller (3027) is connected in the first sliding chute (3031) in a sliding mode, a second roller (3032) is hinged to one end, away from the T-shaped table (3021), of the execution connecting rod (3030), the second roller (3032) is connected in a second sliding chute (3033) in the fuel cell installation and storage box body (2) in a sliding mode, and a third elastic part (3034) is arranged in the second sliding chute (3033).
6. The mounting mechanism for a fuel cell according to claim 1,
the fuel cell comprises a fuel cell body (1), and is characterized in that a net-shaped connecting plate (304) is arranged at the top of the fuel cell body (1), the net-shaped connecting plate (304) is in screw connection with the top of the fuel cell body (1), and an elastic component is arranged on one surface, in contact with the fuel cell body (1), of the net-shaped connecting plate (304) and used for buffering and absorbing vibration.
7. The mounting mechanism for a fuel cell according to claim 1,
the fuel cell installation and storage box body (2) is provided with a cover body (305), and the inner wall of the cover body (305) is fixedly connected with a plurality of uniformly arranged fifth elastic pieces (306).
8. The mounting mechanism for a fuel cell according to claim 1,
the fuel cell installation and storage box body (2) is of a hollow structure, a hollow cavity (200) is arranged in the fuel cell installation and storage box body, a plurality of safety measure components (4) are arranged in the hollow cavity (200), and the safety measure components (4) are used for quickly discharging hydrogen when the fuel cell stack hydrogen leaks in the fuel cell main body (1);
the safety measure assembly (4) comprises a U-shaped guide rod (400), the U-shaped guide rod (400) is fixedly connected to the inner wall of the hollow cavity (200), a trapezoidal sliding block (401) is connected to the U-shaped guide rod (400) in a sliding mode, one side of the trapezoidal sliding block (401) is an inclined plane (402), a first reset elastic piece (4000) is sleeved on the U-shaped guide rod (400), a connecting rod (4001) is fixedly connected to the trapezoidal sliding block (401), one end, far away from the trapezoidal sliding block (401), of the connecting rod (4001) is fixedly connected with an execution magnet (4002), a first driving electromagnet (4003) and a second driving electromagnet (4004) are arranged on the inner wall of the hollow cavity (200), a first power supply piece (4005) is arranged on the first driving electromagnet (4003), the first power supply piece (4005) is used for supplying power to the first driving electromagnet (4003), a second power supply piece (4006) is arranged on the second driving electromagnet (4004), the second power supply piece (4006) is used for supplying power to the second driving electromagnet (4004), and the execution magnet (4002) is opposite to the first magnetic execution electromagnet (4002);
well cavity (200) inner wall fixedly connected with carries out guide arm (4007), sliding connection has the execution cover (4008) on carrying out guide arm (4007), be equipped with the second elastic component (4009) that resets on carrying out guide arm (4007), fixedly connected with connecting seat (4010) on carrying out cover (4008), be connected with through gyro wheel member (4011) rotation on connecting seat (4010) and carry out gyro wheel (4012), carry out gyro wheel (4012) be used for with inclined plane (402) mutually supports, connecting seat (4010) bottom fixedly connected with L type connecting rod (4013), L type connecting rod (4013) are kept away from the one end fixedly connected with hydrogen sensor (4014) of connecting seat (4010), hydrogen sensor (4014) with second power supply component (4006) electricity is connected, is used for control the operating condition of second power supply component (4006), it surveys export (4015) to be equipped with hydrogen sensor on fuel cell installation deposit box (2), the execution guide arm (4017) has seted up, interior sliding connection of sliding connection has the trigger pole piece (4016), triggers on the trigger cap (4018), the inner wall of the hollow cavity (200) is fixedly connected with a roller connecting rod (4021), one end, far away from the inner wall of the hollow cavity (200), of the roller connecting rod (4021) is rotatably connected with a reset roller (4022), the reset roller (4022) is used for being matched with an inclined plane of the wedge-shaped plate (4020), the inner wall of the hollow cavity (200) is provided with an infrared sensor (4023), the infrared sensor (4023) is used for sensing the position of the rod piece (4017), the infrared sensor (4023) is electrically connected with an exhaust fan (4024) in the hollow cavity (200) and used for controlling the rotation of the exhaust fan (4024), and a plurality of exhaust holes (4025) corresponding to the position of the exhaust fan (4024) are formed in the fuel cell installation and storage box body (2);
the hydrogen sensor (4014) is electrically connected with a buzzer, and the buzzer is used for emergency alarm.
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| CN109585893A (en) * | 2018-12-04 | 2019-04-05 | 大连交通大学 | A kind of fuel cell and production method of long-life |
| CN211731066U (en) * | 2019-12-15 | 2020-10-23 | 南京金邦动力科技有限公司 | Convenient radiating protection device for automobile fuel cell |
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| CN112928370A (en) * | 2021-02-20 | 2021-06-08 | 江苏安全技术职业学院 | New energy automobile damping device |
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| CN108832042B (en) * | 2018-06-21 | 2021-10-08 | 胡金友 | Battery protection device for new energy automobile |
| CN112271394A (en) * | 2020-10-21 | 2021-01-26 | 安徽江田环卫设备股份有限公司 | High-heat-dissipation safety battery box for new energy vehicle |
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| CN109585893A (en) * | 2018-12-04 | 2019-04-05 | 大连交通大学 | A kind of fuel cell and production method of long-life |
| CN211731066U (en) * | 2019-12-15 | 2020-10-23 | 南京金邦动力科技有限公司 | Convenient radiating protection device for automobile fuel cell |
| CN212158948U (en) * | 2020-05-13 | 2020-12-15 | 优普联科(天津)电子科技有限公司 | Fuel cell detection sensor |
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