CN114628712B - Shell-closing device of metal/seawater fuel cell - Google Patents
Shell-closing device of metal/seawater fuel cell Download PDFInfo
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- CN114628712B CN114628712B CN202011457815.4A CN202011457815A CN114628712B CN 114628712 B CN114628712 B CN 114628712B CN 202011457815 A CN202011457815 A CN 202011457815A CN 114628712 B CN114628712 B CN 114628712B
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- single cell
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- shell
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 title claims abstract description 51
- 239000000446 fuel Substances 0.000 title claims abstract description 23
- 239000013535 sea water Substances 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 79
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 238000005520 cutting process Methods 0.000 claims description 79
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000005485 electric heating Methods 0.000 claims description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 8
- 239000002985 plastic film Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920006255 plastic film Polymers 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 46
- 239000000463 material Substances 0.000 claims 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims 2
- KDKYADYSIPSCCQ-UHFFFAOYSA-N but-1-yne Chemical compound CCC#C KDKYADYSIPSCCQ-UHFFFAOYSA-N 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 1
- 229910052786 argon Inorganic materials 0.000 claims 1
- 239000001273 butane Substances 0.000 claims 1
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- -1 ethylene, propylene, butylene, acetylene Chemical group 0.000 claims 1
- 239000001307 helium Substances 0.000 claims 1
- 229910052734 helium Inorganic materials 0.000 claims 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims 1
- 229910052743 krypton Inorganic materials 0.000 claims 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims 1
- 229910052754 neon Inorganic materials 0.000 claims 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims 1
- 239000001294 propane Substances 0.000 claims 1
- MWWATHDPGQKSAR-UHFFFAOYSA-N propyne Chemical compound CC#C MWWATHDPGQKSAR-UHFFFAOYSA-N 0.000 claims 1
- 229910052704 radon Inorganic materials 0.000 claims 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 229910052724 xenon Inorganic materials 0.000 claims 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/30—Deferred-action cells
- H01M6/32—Deferred-action cells activated through external addition of electrolyte or of electrolyte components
- H01M6/34—Immersion cells, e.g. sea-water cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/42—Grouping of primary cells into batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Aiming at the problems of more manual operation processes and low production efficiency in the existing battery production process, the invention provides a novel metal/seawater fuel cell shell-closing device, which comprises a horizontally placed flat plate A and a fixing frame; an annular single cell shell is arranged on the flat plate A, and an electrode of the metal/seawater fuel cell is arranged in the annular single cell shell, so that the electrode is horizontally arranged; the side wall surface of the annular single cell shell is provided with a through hole, and/or the surface of the annular single cell shell is provided with a groove penetrating through the inner wall surface and the outer wall surface of the annular single cell shell; the through holes and/or the grooves are used as a gas inlet and a gas outlet; a welding device and a driving device of the welding device are arranged above the flat plate A, the driving device of the welding device is arranged on the fixing frame, the welding device is arranged on the driving device of the welding device, and the driving device of the welding device drives the welding device to reciprocate along the direction vertical to the flat plate A; the battery can-closing process can be continuously carried out in a large scale, and the sealing detection and atmosphere protection can be automatically carried out.
Description
Technical Field
The invention relates to an automatic production device of a metal/seawater fuel cell. In particular to a device capable of continuously assembling and producing electrodes and single cells in a large scale.
Background
The metal/seawater fuel cell is an electrochemical reaction device using metal (such as magnesium, aluminum, and alloys thereof) as anode fuel and seawater as oxidant and electrolyte solution. The metal/seawater fuel cell has the advantages of high specific energy, safety, reliability, long-term storage and the like, and has wide application prospect in the field of ocean equipment power sources such as deep sea lander power sources and the like. The deep sea equipment power supply has higher requirements on specific energy, specific power, safety and the like of batteries used in the whole sea depth range,
because the single cell voltage of the metal/seawater fuel cell is lower, the current density is smaller, a plurality of single cells are often required to be used in series, the battery production process at the present stage is basically assembled by manual operation, the welding and cutting of the single cell shell are time-consuming and labor-consuming, and the single cells are required to be stored for a long time, and the open structure enables the battery to be greatly influenced by environmental factors, so that the discharge capacity of the battery can be reduced due to humidity, air oxidation and the like. There is a need to create designs on production devices to improve production efficiency.
Disclosure of Invention
Aiming at the problems of more manual operation processes and low production efficiency in the existing battery production process, the invention provides a novel metal/seawater fuel cell shell-closing production device which can continuously assemble a large number of single cells with electrode shell-closing and can perform seal detection and atmosphere protection.
A shell-closing device of a metal/seawater fuel cell comprises a flat plate A and a fixing frame which are horizontally arranged;
an annular single cell shell is arranged on the flat plate A, and an electrode of the metal/seawater fuel cell is arranged in the annular single cell shell, so that the electrode is horizontally arranged; the side wall surface of the annular single cell shell is provided with through holes and/or grooves which are respectively used as a gas inlet and a gas outlet;
a welding device and a driving device of the welding device are arranged above the flat plate A, the driving device of the welding device is arranged on the fixing frame, the welding device is arranged on the driving device of the welding device, and the driving device of the welding device drives the welding device to reciprocate along the direction vertical to the flat plate A;
during welding, a sheet-shaped single cell cover is placed on the upper surfaces of the electrode and the annular single cell cover, the annular single cell cover and the sheet-shaped single cell cover above the electrode are welded through a welding device, after the annular single cell cover and the sheet-shaped single cell cover are welded, the electrode and the annular single cell cover are turned upside down, then the sheet-shaped single cell cover is placed on the upper surface of the annular single cell cover without the sheet-shaped single cell cover, and then the annular single cell cover and the sheet-shaped single cell cover above the annular single cell cover are welded through the welding device, so that the electrode is placed in a closed cavity surrounded by the upper single cell cover, the lower single cell cover and the annular single cell cover to form a single cell;
the welding device is a welding plate which is parallel to the flat plate A, the welding plate is an annular metal flat plate, and the projection B of the annular metal flat plate on the flat plate A is positioned in the projection area of the single cell shell on the flat plate A; an electric heating element is arranged on the upper surface of the annular metal flat plate and/or inside the annular metal flat plate; the electric heating element is connected with an external power supply through a wire;
a cutting device and a driving device of the cutting device are arranged above the flat plate A, the driving device of the cutting device is arranged on the fixing frame, the cutting device is arranged on the driving device of the cutting device, the driving device of the cutting device drives the cutting device to reciprocate along the direction vertical to the flat plate A,
or a cutting device and a sliding rail and a driving device of the cutting device are arranged above the flat plate A, the driving device of the cutting device is arranged on the fixing frame, the cutting device is arranged on the driving device of the cutting device, the driving device of the cutting device drives the cutting device to reciprocate along the direction vertical to the flat plate A, and the sliding rail of the cutting device drives the cutting device to move annularly along the sliding rail;
the cutting device is an annular or linear cutter which is perpendicular to the surface of the flat plate A, the lower end of the annular cutter is an annular knife edge, and the annular knife edge with the downward annular knife edge is positioned on the same horizontal plane; the projection B is positioned in a region surrounded by the projection of the annular knife edge on the flat plate A; the lower end of the linear cutter is a linear cutter edge, and the linear cutter edge with the downward linear cutter edge is positioned on the same horizontal plane;
the gas detection sensor is arranged above the flat plate A, the gas detection sensor is arranged on the fixing frame, a gas conduit is arranged at the bottom of the fixing frame, one end of the gas conduit is connected with a gas source, and the other end of the gas conduit is connected with a gas inlet on the single tank after welding and cutting.
The gas conduit injects gas into the single cell through the gas inlet seal, and when the gas conduit leaves the interior of the single cell, the single cell is automatically sealed through the gas inlet seal, and the gas is stored in the interior of the single cell.
The single cell gas outlet is sealed by a preset gas outlet sealing piece, and the gas outlet sealing piece can be made of rubber, plastic, metal and the like; the gas outlet sealing piece is matched and sealed with the gas outlet hole or the groove, and the shape of the gas outlet sealing piece can be cylindrical, truncated cone, thread, rectangular, stepped cylindrical and the like;
the gas inlet seal is a tension spring controlled seal or a one-way valve.
The annular single cell shell is an annular plastic plate; the sheet single cell cover is a plastic sheet or a plastic film;
the projection of the electrode on the flat plate A is positioned in the middle of the area surrounded by the projection B.
The electric heating element is one or more than two of an electric heating rod, an electric heating wire or an electric heating block, and a thermocouple is arranged on the upper surface of the annular metal flat plate and/or inside the annular metal flat plate.
The electrode of the metal/seawater fuel cell: is formed by sequentially laminating a metal anode, a diaphragm and a cathode; or is formed by sequentially laminating a metal anode, a diaphragm, a cathode, a diaphragm and a metal anode; or is formed by sequentially laminating a cathode, a diaphragm, a metal anode, a diaphragm and a cathode; or comprises more than two cathodes and more than two metal anodes which are alternately laminated in turn, and a diaphragm is arranged between the metal anodes and the cathodes.
The gas conduit connected with the gas inlet is connected with a gas source through the gas pump;
after welding and cutting, injecting gas in a gas source into the single cell through a gas pump, and if the gas detection sensor does not detect the injected gas or does not alarm within a certain period of time, displaying that the single cell has good tightness, and moving the single cell into a storage box for storage;
if the gas detection sensor detects the injected gas or alarms, the gas detection sensor moves to a waste bin.
The gas in the gas source is gas which can be detected by a gas detection sensor;
the gas detection sensor can be one or a combination of a plurality of catalytic combustion type, semiconductor type, electrochemical type, infrared type and Photoionization (PID) type; .
Catalytic combustion utilizes the thermal effect principle of catalytic combustion; the semiconductor type utilizes a semiconductor gas sensor as a sensor; electrochemical activity of the detected gas is utilized electrochemically; infrared type utilizes the absorption effect of gas on infrared spectrum with specific frequency; PID photoionization utilizes the high sensitivity of PID to volatile organic compounds;
the driving device of the welding device is one or more than two hydraulic cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the welding device; the hydraulic oil inlet of the cylinder barrel is connected with the oil tank through a one-way valve by a hydraulic pump, and a hydraulic return port which is connected with the oil tank through a valve is arranged on the cylinder barrel;
or the driving device of the welding device is one or more than two air cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the welding device; the cylinder barrel is connected with the air compressor through a one-way valve, and an exhaust port with a valve is arranged on the cylinder barrel;
or the driving device of the welding device comprises a power source, a screw rod and a screw nut, wherein the power source can be a servo motor or a stepping motor, the power source is fixed on the fixing frame, one end of the screw nut is fixedly connected with a bearing, the screw nut is rotationally connected to the fixing frame through the bearing, the other end of the screw nut is connected with an output shaft of the power source through a transmission mechanism, and the power source drives the screw nut to rotate; the transmission mechanism can be in gear transmission or chain transmission; the screw nut is internally connected with a screw rod in a threaded manner, the screw nut and the screw rod form a screw pair, and the lower end of the screw rod is fixedly connected with the welding device; when the power source drives the screw nut to rotate through the transmission mechanism, the screw rod moves back and forth along the axial direction through the screw pair of the screw nut, and then the welding device is driven to move.
The driving device of the cutting device is one or more than two hydraulic cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the cutting device; the hydraulic oil inlet of the cylinder barrel is connected with the oil tank through a one-way valve by a hydraulic pump, and a hydraulic return port which is connected with the oil tank through a valve is arranged on the cylinder barrel;
or the driving device of the cutting device is one or more than two air cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the cutting device; the cylinder barrel is connected with the air compressor through a one-way valve, and an exhaust port with a valve is arranged on the cylinder barrel;
or the driving device of the cutting device comprises a power source, a screw rod and a screw nut, wherein the power source can be a servo motor or a stepping motor, the power source is fixed on the fixing frame, one end of the screw nut is fixedly connected with a bearing, the screw nut is rotationally connected to the fixing frame through the bearing, the other end of the screw nut is connected with an output shaft of the power source through a transmission mechanism, and the power source drives the screw nut to rotate; the transmission mechanism can be in gear transmission or chain transmission; the screw nut is internally connected with a screw rod in a threaded manner, the screw nut and the screw rod form a screw pair, and the lower end of the screw rod is fixedly connected with the cutting device; when the power source drives the screw nut to rotate through the transmission mechanism, the screw rod moves back and forth along the axial direction through the screw pair of the screw nut, and then the cutting device is driven to move.
The air compressor, the hydraulic pump, the servo motor or the stepping motor of the driving device of the welding device and the driving device of the cutting device are in signal connection with the PLC through wires;
controlling the movement of the welding device and the cutting device through a PLC logic controller; automatic welding and cutting can be realized.
The two sides of the flat plate are respectively provided with a cylinder body which is used for placing the unused annular single cell shell and the annular plastic plate and is provided with an opening at the upper end of the residual annular plastic plate after being cut and sheared after welding.
Compared with the prior art, the shell-closing device of the metal/seawater fuel cell has the following advantages:
(1) The single cell shell can be continuously assembled, so that the production efficiency is improved;
(2) The number of assembly personnel and the cost are saved;
(3) The battery sealing performance can be detected in the assembly process, so that the working procedures are simplified, and the time is saved;
(4) The single cell can be subjected to atmosphere protection, and the single cell can be stored for a long time.
Drawings
Fig. 1 is a perspective view of a metal/seawater fuel cell cartridge assembly device
FIG. 2 is a second perspective view of a metal/seawater fuel cell cartridge assembly;
FIG. 3 is a perspective view III of a metal/seawater fuel cell cartridge assembly;
FIG. 4 is a schematic diagram of a metal/seawater fuel cell unit cell;
in the figure, 1-electrode, 2-cell case, 3-cell cover, 4-plate A, 5-mount, 6-welding device, 7-cutting device, 8-gas conduit, 9-air pump, 10-gas source, 11-gas detection sensor, 21-gas outlet, 22-gas outlet seal, 23-gas inlet, 24-gas inlet seal, 25-cell current collector, 61-welding device driving device, 62-welding plate, 63-electric heating element, 64-temperature sensor, 71-knife edge, 72-cutting device driving device, 73-guiding slide rail.
Detailed Description
Example 1:
as shown in fig. 3, the metal/seawater fuel cell combined shell device comprises a flat plate A4 and a fixing frame 5 which are horizontally arranged; the flat plate A4 is provided with a single cell shell 2 (annular plastic plate), the flat plate A is provided with a single cell shell groove, the single cell shell is placed in the single cell shell groove on the flat plate A, the groove depth is smaller than the thickness of the single cell shell, the welding width of the single cell shell is 10mm, and the single cell shell is internally provided with an electrode 1 which is formed by arranging a cathode, a diaphragm, a metal anode, a diaphragm, a cathode and a diaphragm … in sequence, wherein the total number of the electrodes is 6, namely 5 anodes. After the electrodes are stacked, the cathode is connected with a red positive current collecting wire, the anode is connected with a black negative current collecting wire, the current collecting wires respectively extend out of the single cell shell 2, and the single cell shell is sealed by glue.
An annular welding device 6 parallel to the flat plate A is arranged above the flat plate A and is an annular metal flat plate, the projection of the welding device on the flat plate A is smaller than the outline of the outer side of the single cell shell, 2 thermocouples 64 and 2 heating rods 63 with the diameter of 6mm are arranged in the welding device, and the electric heating elements are connected with an external power supply through wires; the driving device 61 of the welding device is positioned above the center of the welding device and is mechanically and fixedly connected with the welding device, the driving device 61 of the welding device is an air cylinder and comprises a cylinder barrel, a piston rod and a piston, the cylinder barrel is fixed on the fixing frame 5, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the welding device; the cylinder barrel is connected with the air compressor through a one-way valve, and an exhaust port with a valve is arranged on the cylinder barrel;
during welding, a sheet-shaped single cell cover 3 is placed on the upper surface of the single cell shell, the annular single cell shell and the sheet-shaped single cell cover above the annular single cell shell are welded through a welding device, after one side is finished, the single cell shell, the single cell cover and the electrode are turned over, and the other side of the single cell shell is welded. After all the steps are completed, the welding device is lifted to be static far away from the surface plane of the single cell shell;
after welding is finished, the annular blade of the cutting device moves along with the driving device of the cutting device towards the direction of the single cell shell, the annular blade projects inside the single cell shell on the plane A, is 2mm away from the outer contour line of the single cell shell, and cuts redundant parts of the single cell cover;
the driving device of the cutting device is an air cylinder and comprises a cylinder barrel, a piston rod and a piston, the cylinder barrel is fixed on the fixing frame 5, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the welding device; the cylinder barrel is connected with the air compressor through a one-way valve, and an exhaust port with a valve is arranged on the cylinder barrel; the driving device of the welding device and the air compressor and the hydraulic pump of the driving device of the cutting device are connected with the PLC logic controller through wires in a signal manner; controlling the movement of the welding device and the cutting device through a PLC logic controller; automatic welding and cutting can be realized.
The side wall surface of the annular single cell shell is provided with a through hole serving as a gas inlet and a gas outlet; after cutting, a gas conduit connected with a carbon dioxide gas cylinder is inserted into a single cell gas inlet, gas is injected into the single cell from the gas inlet through a gas inlet sealing piece, the single cell gas outlet is tightly sealed by a cylindrical rubber plug, the gas conduit is extracted from the gas inlet, and when the gas conduit leaves the inside of the single cell, the single cell is automatically sealed through the gas inlet sealing piece (one-way valve), and the gas (carbon dioxide) is stored in the inside of the single cell. The gas conduit is connected with a carbon dioxide gas cylinder through a gas pump; the gas inlet seal is a gas check valve.
A gas detection sensor (11) is fixed on a fixing frame above the flat plate A, the concentration of carbon dioxide in the air can be detected based on a non-divergent infrared gas detection principle by adopting infrared, and an alarm is given when the concentration exceeds 0.03% -0.04% of the volume, so that the single cell is proved to be incompletely sealed and needs to be moved to a waste box.
Example 2
The metal/seawater fuel cell cartridge assembly shown in fig. 1 or 2 has the same structure as that of embodiment 1, except that:
an annular guide rail and a sliding block are arranged above the flat plate A, and the sliding block is in sliding connection with the annular guide rail; the annular guide rail is arranged on the fixing frame, an annular rack is arranged on the annular guide rail, a motor and a gear are arranged in the sliding block, the gear is meshed with the annular rack and is driven to rotate by the motor, the gear is driven to rotate by the motor and rolls along the annular rack, and the sliding block is driven to move along the annular guide rail; a cutting device and a driving device of the cutting device are arranged below the sliding block, the driving device of the cutting device is arranged on the sliding block, the cutting device is arranged on the driving device of the cutting device, and the driving device of the cutting device drives the cutting device to reciprocate along the direction vertical to the flat plate A; the cutting device can be driven by the sliding block to move clockwise or anticlockwise along an annular shape, the cutting device is a cutter which is perpendicular to the surface of the flat plate A, the lower end of the cutter is provided with a cutter point, and the cutter is provided with a cutting edge facing the moving direction; the projection B is located in the annular area where the cutter blade moves over the plate a.
Claims (10)
1. A metal/seawater fuel cell's close shell device, characterized by:
comprises a flat plate A and a fixing frame which are horizontally arranged;
an annular single cell shell is arranged on the flat plate A, and an electrode of the metal/seawater fuel cell is arranged in the annular single cell shell, so that the electrode is horizontally arranged; the side wall surface of the annular single cell shell is provided with a through hole, and/or the surface of the annular single cell shell is provided with a groove penetrating through the inner wall surface and the outer wall surface of the annular single cell shell; the through holes and/or the grooves are used as a gas inlet and a gas outlet; a welding device and a driving device of the welding device are arranged above the flat plate A, the driving device of the welding device is arranged on the fixing frame, the welding device is arranged on the driving device of the welding device, and the driving device of the welding device drives the welding device to reciprocate along the direction vertical to the flat plate A;
during welding, a sheet-shaped single cell cover is placed on the upper surfaces of the electrode and the annular single cell cover, the annular single cell cover and the sheet-shaped single cell cover above the electrode are welded through a welding device, after the annular single cell cover and the sheet-shaped single cell cover are welded, the electrode and the annular single cell cover are turned upside down, then the sheet-shaped single cell cover is placed on the upper surface of the annular single cell cover without the sheet-shaped single cell cover, and then the annular single cell cover and the sheet-shaped single cell cover above the annular single cell cover are welded through the welding device, so that the electrode is accommodated in a closed cavity surrounded by the upper single cell cover, the lower single cell cover and the annular single cell cover to form a single cell;
the welding device is a welding plate which is parallel to the flat plate A, the welding plate is an annular metal flat plate, and the projection B of the annular metal flat plate on the flat plate A is positioned in the projection area of the single cell shell on the flat plate A; an electric heating element is arranged on the lower surface of the annular metal flat plate and/or inside the annular metal flat plate; the electric heating element is connected with an external power supply through a wire;
a cutting device and a driving device of the cutting device are arranged above the flat plate A, the driving device of the cutting device is arranged on the fixing frame, the cutting device is arranged on the driving device of the cutting device, and the driving device of the cutting device drives the cutting device to reciprocate along the direction vertical to the flat plate A; the cutting device is an annular cutter which is perpendicular to the surface of the flat plate A, the lower end of the annular cutter is an annular knife edge, and the annular knife edge with the downward annular knife edge is positioned on the same horizontal plane; the projection B is positioned in a region surrounded by the projection of the annular knife edge on the flat plate A; or, an annular guide rail and a sliding block are arranged above the flat plate A, and the sliding block is in sliding connection with the annular guide rail; the annular guide rail is arranged on the fixing frame, an annular rack is arranged on the annular guide rail, a motor and a gear are arranged in the sliding block, the gear is meshed with the annular rack and is driven to rotate by the motor, and the gear is driven to rotate by the motor and is driven to rotate along the annular rack roller, so that the sliding block is driven to move along the annular guide rail; a cutting device and a driving device of the cutting device are arranged below the sliding block, the driving device of the cutting device is arranged on the sliding block, the cutting device is arranged on the driving device of the cutting device, and the driving device of the cutting device drives the cutting device to reciprocate along the direction vertical to the flat plate A; the cutting device can be driven by the sliding block to move clockwise or anticlockwise along an annular shape, the cutting device is a cutter which is perpendicular to the surface of the flat plate A, the lower end of the cutter is provided with a cutter point, and the cutter is provided with a cutting edge facing the moving direction; the projection B is located in the annular area where the cutter blade moves over the plate a.
2. The shell-and-tube assembly of claim 1, wherein:
the annular single cell shell is an annular plastic plate; a single cell shell groove is formed in the flat plate A, the single cell shell is placed in the single cell shell groove on the flat plate A, and the groove depth is lower than the thickness of the single cell shell;
the sheet single cell cover is a plastic sheet or a plastic film;
the projection of the electrode on the panel A is positioned in the middle of the area surrounded by the projection B;
the annular knife edge can adjust the angle through fastening threads;
the gas conduit injects gas into the single cell through the gas inlet sealing piece of the one-way valve, and when the gas conduit leaves the interior of the single cell, the single cell is automatically sealed through the gas inlet sealing piece, and the gas is stored in the interior of the single cell; the gas inlet seal may be a one-way valve;
the single cell gas outlet is sealed by a preset gas outlet sealing member, and the gas outlet sealing member can be one or more than two of rubber, plastic, metal and other materials; the shape of the plug for sealing the gas outlet sealing element and the gas outlet through hole or the groove in a matched manner can be one or more than two of the shapes of a cylinder, a cone frustum, a thread shape, a rectangle, a step cylinder and the like; or the gas outlet seal is a valve.
3. The shell-and-tube assembly of claim 1, wherein:
the electric heating element is one or more than two of an electric heating rod, an electric heating wire or an electric heating block, and a thermocouple is arranged on the upper surface of the annular metal flat plate and/or inside the annular metal flat plate.
4. The shell-and-tube assembly of claim 1, wherein:
the electrode of the metal/seawater fuel cell: is formed by sequentially laminating a metal anode, a diaphragm and a cathode; or is formed by sequentially laminating a metal anode, a diaphragm, a cathode, a diaphragm and a metal anode; or is formed by sequentially laminating a cathode, a diaphragm, a metal anode, a diaphragm and a cathode; or is formed by alternately laminating more than two cathodes and more than two metal anodes in sequence, and a diaphragm is arranged between the metal anodes and the cathodes;
is collected by the current collector and protrudes out of the cell case.
5. The shell-and-tube assembly of claim 1, wherein:
a gas detection sensor is arranged above the flat plate A, the gas detection sensor is arranged on the fixing frame, a gas conduit is arranged at the bottom of the fixing frame, one end of the gas conduit is connected with a gas source, and the other end of the gas conduit is connected with a gas inlet on a single tank after welding and cutting;
the gas conduit connected with the gas inlet is connected with a gas source through the gas pump; the gas conduit can stretch along the axial direction of the conduit, and is in sealing contact with or separated from the gas inlet;
after welding and cutting, injecting gas in a gas source into the single cell through a gas pump, and if the gas detection sensor does not detect the injected gas or does not alarm within a certain period of time, displaying that the single cell has good tightness, and moving the single cell into a storage box for storage;
if the gas detection sensor detects the injected gas or the gas detection sensor with the gas alarm gives an alarm, the gas detection sensor moves to the waste bin.
6. The shell-and-tube assembly of claim 5 wherein:
the gas in the gas source is gas which can be detected by the gas detection sensor under the air atmosphere; the method does not comprise corrosive gas, wherein the corrosive gas is any one of hydrogen sulfide, hydrogen chloride, chlorine and hydrogen fluoride, and comprises one or more than two of hydrogen, helium, neon, argon, krypton, xenon, radon, carbon monoxide, carbon dioxide, methane, ethane, propane, butane, ethylene, propylene, butylene, acetylene, propyne, butyne, phosphine and the like;
the gas detection sensor can be one or a combination of a plurality of catalytic combustion type, semiconductor type, electrochemical type, infrared type and Photo Ionization (PID) type gas detection sensors.
7. The shell-and-tube assembly of claim 1, wherein:
the driving device of the welding device is one or more than two hydraulic cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the welding device; the hydraulic oil inlet of the cylinder barrel is connected with the oil tank through a one-way valve by a hydraulic pump, and a hydraulic return port which is connected with the oil tank through a valve is arranged on the cylinder barrel;
or the driving device of the welding device is one or more than two air cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the welding device; the cylinder barrel is connected with the air compressor through a one-way valve, and an exhaust port with a valve is arranged on the cylinder barrel;
or the driving device of the welding device comprises a power source, a screw rod and a screw nut, wherein the power source can be a servo motor or a stepping motor, the power source is fixed on the fixing frame, one end of the screw nut is fixedly connected with a bearing, the screw nut is rotationally connected to the fixing frame through the bearing, the other end of the screw nut is connected with an output shaft of the power source through a transmission mechanism, and the power source drives the screw nut to rotate; the transmission mechanism can be in gear transmission or chain transmission; the screw nut is internally connected with a screw rod in a threaded manner, the screw nut and the screw rod form a screw pair, and the lower end of the screw rod is fixedly connected with the welding device; when the power source drives the screw nut to rotate through the transmission mechanism, the screw rod moves back and forth along the axial direction through the screw pair of the screw nut, and then the welding device is driven to move.
8. The shell-and-tube assembly of claim 1, wherein:
the driving device of the cutting device is one or more than two hydraulic cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the cutting device; the hydraulic oil inlet of the cylinder barrel is connected with the oil tank through a one-way valve by a hydraulic pump, and a hydraulic return port which is connected with the oil tank through a valve is arranged on the cylinder barrel;
or the driving device of the cutting device is one or more than two air cylinders and comprises a cylinder barrel, a piston rod and a piston, wherein the cylinder barrel is fixed on the fixing frame, the upper end of the piston rod is connected with the piston in the cylinder barrel, and the lower end of the piston rod is fixedly connected with the cutting device; the cylinder barrel is connected with the air compressor through a one-way valve, and an exhaust port with a valve is arranged on the cylinder barrel;
or the driving device of the cutting device comprises a power source, a screw rod and a screw nut, wherein the power source can be a servo motor or a stepping motor, the power source is fixed on the fixing frame, one end of the screw nut is fixedly connected with a bearing, the screw nut is rotationally connected to the fixing frame through the bearing, the other end of the screw nut is connected with an output shaft of the power source through a transmission mechanism, and the power source drives the screw nut to rotate; the transmission mechanism can be in gear transmission or chain transmission; the screw nut is internally connected with a screw rod in a threaded manner, the screw nut and the screw rod form a screw pair, and the lower end of the screw rod is fixedly connected with the cutting device; when the power source drives the screw nut to rotate through the transmission mechanism, the screw rod moves back and forth along the axial direction through the screw pair of the screw nut, and then the cutting device is driven to move.
9. The shell-and-tube assembly of claim 1, wherein:
the air compressor, the hydraulic pump, the servo motor or the stepping motor of the driving device of the welding device and the driving device of the cutting device are in signal connection with the PLC through wires;
controlling the movement of the welding device and the cutting device through a PLC logic controller; automatic welding and cutting can be realized.
10. The shell-and-tube assembly of claim 1, wherein:
when the single cell cover is a plastic film which can be wound and stored, two storage reels are arranged on the shell closing device and used for winding and storing the unwelded and welded single cell upper cover material, the unwelded plastic film coil material is wound on one storage reel, the welded plastic film coil material is wound on the other storage reel, so that the plastic film coil material passes through the upper part of the flat plate A, and the feeding speed and the tensioning strength of the single cell upper cover can be controlled by controlling the rotating speeds of the two reels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011457815.4A CN114628712B (en) | 2020-12-11 | 2020-12-11 | Shell-closing device of metal/seawater fuel cell |
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| CN202011457815.4A CN114628712B (en) | 2020-12-11 | 2020-12-11 | Shell-closing device of metal/seawater fuel cell |
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| CN114628712A CN114628712A (en) | 2022-06-14 |
| CN114628712B true CN114628712B (en) | 2024-01-30 |
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| CN114628712A (en) | 2022-06-14 |
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