CN215118971U

CN215118971U - Intelligent fuel cell assembling machine

Info

Publication number: CN215118971U
Application number: CN202120724967.XU
Authority: CN
Inventors: 于海明; 谢秋菊; 李海源; 张芙娴; 许译丹; 邓杰文; 郭建永; 吴智锋; 刘国平; 刘媛
Original assignee: Zhaoqing University
Current assignee: Zhaoqing University
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-10
Anticipated expiration: 2031-04-09

Abstract

The utility model belongs to the technical field of fuel cell, a intelligence fuel cell kludge is disclosed, the equipment board upside has battery assembling machine host computer, power drive and display control device through the bolt fastening, power drive passes through the V-belt and is connected with battery assembling machine host computer, display control device passes through interconnecting link and is connected with battery assembling machine host computer and power drive. According to the characteristics of the membrane electrode assembly and the battery pack, the intelligent processing equipment for the membrane electrode assembly and the battery pack is designed by utilizing a sensor technology, an automatic control technology, a heating technology and a machining technology, and the membrane electrode assembly and the battery pack can be processed and manufactured quickly, efficiently and high-quality; meanwhile, the invention also provides a membrane electrode assembly and a battery pack processing technology, which can ensure the performance of the fuel cell.

Description

Intelligent fuel cell assembling machine

Technical Field

The utility model belongs to the technical field of fuel cell, especially, relate to an intelligence fuel cell kludge.

Background

At present: with the exploitation and utilization of a large amount of traditional energy sources such as fossil energy, the problems of energy exhaustion and environmental pollution become two major challenging issues facing the world today. In order to relieve the energy crisis and protect the environment, the research and development of green clean energy to replace the traditional energy becomes one of the important research directions in the energy field. The fuel cell is an environment-friendly and efficient power generation device, can directly convert chemical energy in fuel and oxidant into electric energy, is not limited by Carnot cycle, has the characteristics of high energy conversion efficiency, no pollution to the environment and the like, becomes one of important energy sources for replacing traditional energy sources, protecting the ecological environment and solving the energy crisis in the 21 st century, and has important strategic significance for protecting the ecological environment and guaranteeing the energy safety by popularizing and using the fuel cell.

Fuel cells are composed of a catalyst-containing anode, a cathode, and an ion-conductive electrolyte, and can be classified into phosphoric acid type fuel cells, solid oxide fuels, alkaline fuel cells, molten carbonate fuel cells, and proton exchange membrane fuel cells according to the electrolyte type. The proton exchange membrane fuel cell has the characteristics of higher energy conversion rate, larger energy ratio, simple structure, good mobility, durability, environmental friendliness, easiness in modularization and the like, so that the proton exchange membrane fuel cell has wide application prospect and becomes a preferred energy source for equipment such as electric automobiles, regional power stations, spacecrafts and the like. Proton exchange membrane fuel cells are classified into hydrogen fuel cells using hydrogen gas as a fuel and liquid fuel cells using alcohols, acids, and the like as a fuel, depending on the type of fuel used.

In the liquid fuel cell, the membrane electrode assembly is one of the key components of the fuel cell, and consists of a membrane electrode fixing pair and a membrane electrode. The membrane electrode consists of a diffusion layer, a catalyst, a proton exchange membrane and the like, and has the functions of enabling fuel to generate oxidation and reduction reactions and transporting protons; the membrane electrode fixing pair has the functions of fixing and sealing the membrane electrode and insulating the cathode and anode flow plates and is made of organic glass. Therefore, how to process the membrane electrode fixing pair and the membrane electrode into the membrane electrode assembly is one of the key processes for producing the fuel cell, is also a key factor for ensuring the performance of the fuel cell, and how to process and manufacture the membrane electrode assembly intelligently with high efficiency and high quality is also a determining factor for ensuring the popularization and the use of the fuel cell. In addition, because the voltage and current ratio of a single fuel cell is small, the requirement of providing electric energy for electric equipment cannot be met, so that the single fuel cell must be connected in series and in parallel to form a battery pack according to the requirement, and the current and voltage of the battery are improved to meet the working requirement. The fuel cell battery pack is composed of a battery pack unit composed of n single cells and other accessory structures, and how to intelligently process and manufacture the battery pack with high efficiency and high quality is also an important factor for ensuring the performance and popularization and use of the fuel cell pack.

Through the above analysis, the problems and defects of the prior art are as follows: inaccurate positioning; relative displacement is easy to occur between the membrane electrode and the bipolar plate, so that fluid among single cells of the battery pack is unevenly distributed; the membrane electrode and the bipolar plate of the monocell are easily damaged due to poor pressure controllability in the process of packaging the cell; manual operation, low production efficiency, poor assembly quality and influence on the performance of the battery. Therefore, the assembly technology and equipment of the existing fuel cell cannot meet the requirements of high-efficiency, high-quality and intelligent assembly and manufacture of the single cell and the battery pack, and a novel intelligent fuel cell assembly machine needs to be developed, so that the high-efficiency, high-quality and intelligent assembly and manufacture of the single cell and the battery pack are required, the production efficiency is improved, the performance of the single cell and the battery pack is ensured, and the commercialization of the fuel cell is promoted.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides an intelligence fuel cell kludge.

The utility model discloses a realize like this, an intelligence fuel cell battery installation is provided with:

assembling a plate;

the battery assembling machine is characterized in that a battery assembling machine host, a power driving device and a display control device are fixed on the upper side of the assembling plate through bolts, the power driving device is connected with the battery assembling machine host through a V-belt, and the display control device is connected with the battery assembling machine host and the power driving device through a connecting circuit.

Further, the main machine of the battery pack assembly machine is provided with a fixing bolt, a membrane electrode combination auxiliary plate, a pressure plate, a power driving lifting column, a stroke guide column and a main body of the battery pack assembly machine;

the battery assembling machine main body is fixed on the upper side of the assembling plate through bolts, the membrane electrode assembly auxiliary plate is fixed at the lower end of the front side of the battery assembling machine main body, the pressure plate is located on the upper side of the membrane electrode assembly auxiliary plate, the upper side of the pressure plate is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with the connecting plate through a fixing bolt, the power-driven lifting column and the stroke guide column are fixed on the lower side of the other end of the connecting plate, and the power-driven lifting column and the stroke guide column penetrate through the upper end of the battery assembling machine main body.

Furthermore, a bulge fixing position is arranged on the membrane electrode combination auxiliary plate, and the size of the bulge fixing position is equal to that of the membrane electrode fixing auxiliary through opening.

Further, the battery pack assembling machine host is provided with a heating device, the heating device is provided with an electric heating plate and a temperature sensor which are fixed in the pressure plate, and the electric heating plate and the temperature sensor are connected with the display control device through connecting wires.

Further, the power driving device is provided with a servo motor, a triangular belt, a driving belt pulley, a driven belt pulley and a driving reduction box;

the driving belt pulley is connected with the servo motor, the driven belt pulley is connected with the driving reduction box, and the driving belt pulley is connected with the driven belt pulley through a V-belt;

the driving reduction box is arranged in the battery assembly machine body and connected with a power driving lifting column in the battery assembly machine body, and the servo motor is connected with the display control device.

Further, a pressure sensor is fixed between the membrane electrode assembly auxiliary plate and the cell assembly machine main body, and the pressure sensor is connected with a display control device through a connecting circuit.

Further, the display control device is provided with a shell, a controller, a storage and an alarm are fixed inside the shell, and a display screen and a plurality of control switches are embedded outside the shell.

Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are: (1) the positioning is accurate, the dislocation between the components is eliminated, the sealing performance between the components is enhanced, and the membrane electrode and the bipolar plate are protected; (2) the device is beneficial to eliminating the distortion generated between the assembly and the component by positioning and processing errors during assembly, ensures that the membrane electrode and the bipolar plate do not generate relative displacement, and ensures that the fluid among the battery unit cells is uniformly distributed; (3) the pressure in the process of packaging the battery can be intelligently controlled, and the membrane electrode and the bipolar plate of the monocell are ensured not to be damaged; (4) the intelligent and continuous work can be realized, the low production efficiency and poor assembly quality are improved, and the performance of the battery is ensured.

According to the characteristics of the membrane electrode assembly and the battery pack, the intelligent processing equipment for the membrane electrode assembly and the battery pack is designed by utilizing a sensor technology, an automatic control technology, a heating technology and a machining technology, and the membrane electrode assembly and the battery pack can be processed and manufactured quickly, efficiently and high-quality; meanwhile, the invention also provides a membrane electrode assembly and a battery pack processing technology, which can ensure the performance of the fuel cell.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an intelligent fuel cell assembly machine according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a main body of a battery assembling machine according to an embodiment of the present invention.

Fig. 3 is an assembly schematic diagram of a membrane electrode assembly according to an embodiment of the present invention.

Fig. 4 is a schematic diagram illustrating an assembly of a battery pack according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a reverse side of a lower fixing pair of a membrane electrode provided by an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a lower fixing pair front surface of a membrane electrode according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a front face of a membrane electrode fixing pair according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a reverse side of a membrane electrode fixing pair according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of an upper package plate of a battery pack according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a lower package plate of a battery pack according to an embodiment of the present invention.

In the figure: 1. fixing the bolt; 2. a servo motor; 3. a V-belt; 4. a belt pulley; 5. assembling a plate; 6. a belt pulley; 7. a membrane electrode assembly auxiliary plate; 8. a pressure plate; 9. a display control device; 10. a power driven lifting column; 11. a travel guide post; 12. a battery pack installation main body; 13. an upper fixing pair; 14. a membrane electrode; 15. a lower fixing pair; 16. a battery upper packaging plate; 17. a battery pack unit; 18. a battery lower package plate; 19. a battery pack fastening bolt; 20. a first stationary cylinder; 21. a second stationary cylinder; 22. a first square through opening; 23. a first fixing circular hole; 24. a second fixing circular hole; 25. a first square opening; 26. a third stationary cylinder; 27. a fourth stationary cylinder; 28. a second square opening; 29. a third stationary cylinder; 30. a second square through opening; 31. a fifth stationary cylinder; 32. a sixth stationary cylinder; 33. a first fuel containment cylinder; 34. a seventh stationary cylinder; 35. the second fuel seals the cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

To the problem that prior art exists, the utility model provides an intelligence fuel cell kludge, it is right to combine the figure below the utility model discloses do detailed description.

As shown in fig. 1 to 10, an intelligent fuel cell assembly machine provided by the embodiment of the present invention includes a battery assembly machine main body, a power driving device, a heating device, and a display control device.

The battery assembling machine host, the power driving device and the display control device are fixed on the upper side of the assembling plate through bolts, the power driving device is connected with the battery assembling machine host through a V-belt, and the display control device is connected with the battery assembling machine host and the power driving device through a connecting circuit.

The main machine of the battery assembling machine mainly comprises a fixing bolt 1, a membrane electrode combination auxiliary plate 7, a pressure plate 8, a power driving lifting column 10, a stroke guide column 11 and a battery assembling machine main body 12. Wherein, the membrane electrode assembly auxiliary plate 7, the pressure plate 8, the power driving lifting column 10 and the stroke guide column 11 are all arranged on the battery assembling machine main body 12; the pressure plate 8 is connected with a power-driven lifting column 10 and a stroke guide column 11 through a connecting plate to form a whole.

The membrane electrode assembly auxiliary plate 7 is provided with a bulge fixing position, and the length x width of the bulge fixing position is equal to the size of the first square through opening 22 and the second square through opening 30 of the membrane electrode fixing pair (see fig. 4 and 5); the height of the convex fixing position is the thickness of the cathode and anode flow plates minus the depth of the first square opening 25 and the second square opening 28 of the membrane electrode fixing pair.

The power driving device mainly comprises a servo motor 2, a V-belt 3, a belt pulley 4, a belt pulley 6, a driving reduction box and other auxiliary accessories. Wherein, the belt pulley 4 is connected with the servo motor 2; the belt pulley 6 is connected with the driving reduction gearbox; the power provided by the servo motor 2 is provided to the belt pulley 6 through the belt pulley 4, and then the power is transmitted to the driving reduction box through the belt pulley 6; the driving reduction box is arranged in the battery pack assembling machine main body 12 and is connected with the power driving lifting column 10 to provide power for driving the lifting column 10 to move up and down; the servo motor 2 is connected with the control system, and plays a role in controlling the servo motor 2 according to the working requirement.

The heating device mainly comprises an electric heating plate, a lead and other auxiliary accessories. The electric heating plate is fixed in the pressure plate 8 and provides heat for the processing of the membrane electrode assembly and the battery pack. The electric heating plate is connected with a control system, and automatically controls whether the electric heating plate heats or stops heating.

The control system comprises a pressure control system, a temperature control system, a speed control system, a display control device 9 and a master control module.

The pressure control system mainly comprises a pressure sensor, a pressure control module and the like, wherein the pressure sensor is installed between the membrane electrode combination auxiliary plate 7 and the battery assembling machine main body 12 and connected with the pressure control module, and the pressure control module is connected with the display control device 9 and the master control module. When the pressure sensor works, the display control device 9 presets working pressure, the pressure sensor converts detected pressure signals into digital signals through the pressure control module and transmits the digital signals to the display control device 9 and the master control module, and the pressure values are displayed in real time through the display control device 9; when the pressure sensor detects that the working pressure reaches a preset pressure value, the servo motor 2 is controlled through the master control module to stop working, and the working requirement is met.

The temperature control system mainly comprises a temperature sensor and a temperature control module, wherein the temperature sensor is arranged in the pressure plate 8 and is used for measuring the temperature when the membrane electrode assembly is processed. The temperature sensor is connected with the temperature control module, and the temperature control module is connected with the display control device 9 and the master control module. When the temperature control device works, the display control device 9 presets working temperature, the temperature sensor converts detected temperature signals into digital signals through the temperature control module and transmits the digital signals to the display control device 9 and the master control module, and the temperature value is displayed in real time through the display control device 9; when the temperature sensor detects that the working temperature reaches a preset temperature value, the heating device is controlled by the master control module to stop working, and the working requirement is met.

The speed control system mainly comprises a speed control module, a servo motor 2 and other auxiliary accessories. The servo motor 2 is connected with a speed control module, and the speed control module is connected with a display control device 9 and a master control module. When the servo motor works, the working speed is preset by the display control device 9, and the servo motor 2 works according to the preset working speed of the display control device 9 through the master control module and the speed control module.

The display control device 9 is composed of a touch control screen, a speed control module, a temperature control module, a pressure control module, a time control module, a master control module, a start/stop switch, a temperature setting knob, a speed setting knob, a pressure setting knob, an automatic/manual switching button, a memory, a control chip, a control circuit board, an alarm system, control software and the like, and has the functions of temperature control, speed control, pressure control, time control, fault alarm, work completion alarm, start/stop work, automatic/manual work and the like.

The utility model discloses a theory of operation is:

the membrane electrode assembly assembling process comprises the following steps:

the membrane electrode assembly is composed of a membrane electrode upper fixation pair 13, a membrane electrode 14 and a membrane electrode lower fixation pair 15, and specific structures of the membrane electrode upper fixation pair 13 and the membrane electrode lower fixation pair 14 are shown in fig. 4 and 5. Before the membrane electrode assembly is assembled, the working temperature, the working pressure, the working speed and the working time are set through the display control system 9, the working time is set to be 3-10 minutes according to different technical requirements, the working temperature is set to be 60-80 ℃, the working pressure is set to be 0.4-0.6Mp, and the working speed is set to be 0.5-10 mm/s. When the assembly is carried out, firstly, the front sides of the membrane electrode fixing pairs 13 and 15 are coated with sealant, the back side of the membrane electrode fixing pair 15 is downwards sleeved on the convex fixing position on the membrane electrode combination auxiliary plate 7, then the front sides of the membrane electrode 14 and the membrane electrode fixing pair 13 are downwards placed on the membrane electrode fixing pair 15 in sequence, and the membrane electrode fixing pair is positioned by the fixing cylinder and the fixing circular hole on the membrane electrode fixing pair, at the moment, the intelligent fuel cell assembly machine is started, the servo motor 2 drives the lifting column 10 to downwards move through the V-belt 3, the belt pulley 4, the belt pulley 6 and the driving reduction gearbox to drive the pressure plate 8 to downwards move, so that the pressure plate 8 downwards moves and presses on the membrane electrode fixing pair 13, when the pressing pressure reaches 0.4-0.6Mp, the servo motor 2 stops working, at the moment, the heating system is automatically started, so that the temperature of the pressure plate 8 is increased to 60-80 ℃ and then pressed for 3-10 minutes, the membrane electrode assembly is assembled.

The fuel cell stack assembly process comprises:

the fuel cell assembly mainly comprises a fuel cell lower packaging plate, a fuel cell upper packaging plate, a membrane electrode assembly, a cathode flow plate, an anode flow plate and the like, wherein the membrane electrode assembly, the cathode flow plate and the anode flow plate form single cells, and n single cells form a cell assembly unit 17. The fuel cell stack assembly process is shown in fig. 3, and the fuel cell upper and lower package plates are shown in fig. 6. Before the assembly of the battery pack, a membrane electrode assembly auxiliary plate 7 on the intelligent battery pack assembly machine is detached; the working temperature, the working pressure, the working speed and the working time are set by a display control system 9, the working time is set to be 3-5 minutes according to different technical requirements, the working temperature is set to be 60-80 ℃, the working pressure is set to be 0.4-0.6Mp, and the working speed is set to be 0.5-10 mm/s. When the intelligent fuel cell assembly machine is assembled, firstly, sealant is coated on two sides of a cell lower packaging plate, a cathode flow plate, an anode flow plate and two sides of a membrane electrode assembly, then the cell lower packaging plate 18 is placed on a cell assembly machine main body 12, and then the cathode flow plate, the membrane electrode assembly and the anode flow plate coated with the sealant are sequentially placed on the cell lower packaging plate 18 (a single cell is formed by the cathode flow plate, the membrane electrode assembly and the anode flow plate), n single cells are placed (a cell assembly unit 17 is formed by the n single cells), an upper cell packaging plate 16 is sleeved on the cell assembly unit 17, at the moment, the intelligent fuel cell assembly machine is started, a servo motor 2 drives a lifting column 10 to move downwards through a V-belt 3, a belt pulley 4, a belt pulley 6 and a driving reduction box to drive a pressure plate 8 to move downwards to press the upper cell packaging plate 16, when the pressing pressure reaches 0.4-0.6Mp, the servo motor 2 stops working, at the moment, the heating system is automatically started, the temperature of the pressure plate 8 is raised to 60-80 ℃, and then the pressure plate is compressed for 3-6 minutes, and the battery lower packaging plate 18 and the battery upper packaging plate 16 are fixed together through the battery pack fastening bolt 19. The battery pack assembly work is completed.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.

Claims

1. An intelligent fuel cell assembling machine, characterized in that the intelligent fuel cell assembling machine is provided with:

assembling a plate;

2. The intelligent fuel cell assembly machine according to claim 1, wherein the cell assembly machine main body is provided with fixing bolts, a membrane electrode assembly auxiliary plate, a pressure plate, power-driven lifting columns, stroke guide columns and a cell assembly machine main body;

3. An intelligent fuel cell assembly machine as claimed in claim 2, wherein the membrane electrode assembly auxiliary plate is provided with a protrusion fixing position, and the size of the protrusion fixing position is equal to that of the membrane electrode fixing auxiliary port.

4. The intelligent fuel cell battery loading machine according to claim 2, wherein the battery assembling machine host is provided with a heating device provided with an electric heating plate and a temperature sensor fixed in a pressure plate, and the electric heating plate and the temperature sensor are connected with the display control device through connecting wires.

5. The intelligent fuel cell assembly machine according to claim 1, wherein the power drive device is provided with a servo motor, a V-belt, a driving pulley, a driven pulley, and a drive reduction box;

6. An intelligent fuel cell battery loading machine as claimed in claim 2, wherein a pressure sensor is fixed between the membrane electrode assembly auxiliary plate and the battery loading machine main body, and the pressure sensor is connected with a display control device through a connection line.

7. The intelligent fuel cell assembly machine according to claim 1, wherein the display control device is provided with a housing, a controller, a memory and an alarm are fixed inside the housing, and a display screen and a plurality of control switches are embedded outside the housing.