Novel methanol fuel stack

Abstract

The utility model discloses a novel methanol fuel stack, which belongs to the technical field of methanol fuel cell stacks and comprises a protective shell and a stack structure mounted in the protective shell, a filter cartridge is fixed on the surface of the protective shell, a moving groove is formed in the outer wall of one side of the filter cartridge, a material box is movably connected in the moving groove of the filter cartridge, and the material box is arranged in the protective shell. Four limiting blocks are fixed to the inner walls of the two sides of the material box, every two limiting blocks form a group, filtering layers are inserted into the two groups of limiting blocks, a deionizing layer is arranged between the two filtering layers, a plurality of sliding grooves are formed in the material box, and supporting springs are arranged in the sliding grooves of the material box; a limiting sliding block is arranged on one side of the supporting spring, and a pushing column is fixed to one end of the limiting sliding block. The novel methanol fuel stack has a good filtering effect, the reaction efficiency of the cell is ensured, and meanwhile, the filtering layer and the deionizing layer are convenient to disassemble, assemble and replace.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of methanol fuel cell stack, concretely relates to a novel methanol fuel cell stack. BACKGROUND

[0002] Fuel cell is a kind of high-efficiency power generation device that directly converts the chemical energy of fuel into electric energy by chemical reaction without combustion, with the advantages of high power generation efficiency, less environmental pollution, high reliability and easy waste heat removal, wherein methanol fuel cell is a novel power supply using methanol aqueous solution as fuel and converting the chemical energy stored in methanol into electric energy.

[0003] The existing methanol fuel cell usually pumps the methanol solution with good proportion in methanol fuel mixing barrel into reaction stack, but there may be small particle matters and ionic impurities in the methanol solution, and after long-term reaction of the stack, the particle matters and ionic impurities accumulate on the inner surface of the liquid channel of the stack, the liquid channel is blocked, thereby affecting the electric reaction performance and the service life of the battery. UTILITY MODEL CONTENT

[0004] The utility model discloses a novel methanol fuel cell to solve the problem that there may be small particle matters and ionic impurities in the methanol solution, and after long-term reaction of the stack, the particle matters and ionic impurities accumulate on the inner surface of the liquid channel of the stack, the liquid channel is blocked, thereby affecting the electric reaction performance and the service life of the battery.

[0005] To achieve the above object, the utility model provides the following technical scheme: a novel methanol fuel cell, including the protection shell and the stack structure installed in the protection shell, the surface of the protection shell is fixed with the filter box, one side outer wall of the filter box is equipped with the moving groove, and the movable connection of filter box's moving groove has material box, both sides inner walls of the material box are all fixed with four limit blocks, and two two limit blocks are a group, and the filter layer is inserted in the limit block of two groups, and the deionization layer is arranged between two filter layers;

[0006] The material box is equipped with a plurality of sliding grooves, and the supporting spring is arranged in the sliding groove of the material box, one side of the supporting spring is provided with the limit sliding block that is slidably connected with the material box, one end of the limit sliding block is fixed with the push column, and the surface of the filter box is fixed with the fixed box.

[0007] In further embodiments, the upper and lower ends of the fixed box are both provided with moving holes, and the fixed pin is movably connected in the moving hole of the fixed box, and the surface of the material box is provided with the fixed hole matched with the fixed pin.

[0008] In further embodiments, an outer wall of the fixing pin is fixed with a fixing ring, and an outer portion of the fixing pin is sleeved with a fixing spring for supporting the fixing ring.

[0009] In further embodiments, a top portion of the filter box is provided with a water inlet hole, and a water inlet pipe is fixed in the water inlet hole of the top portion of the filter box.

[0010] In further embodiments, a bottom portion of the material box is provided with a water outlet hole, and a water outlet pipe is fixed in the water outlet hole of the bottom portion of the material box, and corresponding positions of the filter box and the protective shell are provided with flow guide holes corresponding to positions of the water outlet pipe.

[0011] Technical effects and advantages of the present application:

[0012] The novel methanol fuel electric pile is characterized in that: the methanol solution is injected into the filter box through the water inlet pipe, and the fine particulate matters and ionic impurities in the methanol solution are removed through the filter layer and the deionization layer, so that the electric pile liquid channel is prevented from being blocked due to the particulate matters and ionic impurities, and the battery reaction efficiency is ensured, and the service life is longer.

[0013] The material box is pushed into the filter box, the pushing column is extruded, the pushing column is retracted into the material box, the fixing spring supports the fixing ring, the fixing pin is inserted into the fixing hole on the surface of the material box, and the installation and fixing of the material box are quickly completed.

[0014] The fixing pin is pulled upward, the fixing pin is separated from the material box, the material box is quickly pushed to move under the elastic force of the supporting spring, the material box is moved out of the filter box by a certain distance, the material box is taken out of the filter box, the movable filter layer and the deionization layer are more convenient to disassemble and assemble, and the novel methanol fuel electric pile has good filtering effect, ensures the reaction efficiency of the battery, and is convenient for disassembling and replacing the filter layer and the deionization layer. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0016] Figure 1 It is a structural schematic view of the present application;

[0017] Figure 2 It is a sectional view of the protective shell and the electric pile structure of the present application;

[0018] Figure 3 Structure diagram of the material box of the utility model;

[0019] Figure 4 Structure diagram of the material box of the utility model;

[0020] Figure 5 Structure diagram of the material box of the utility model;

[0021] In the drawing: 1, protective shell; 2, electric pile structure; 3, filter box; 4, material box; 5, limiting block; 6, filter layer; 7, deionization layer; 8, water inlet pipe; 9, water outlet pipe; 10, supporting spring; 11, limiting sliding block; 12, pushing column; 13, fixed box; 14, fixed pin; 15, fixed ring; 16, fixed spring. DETAILED DESCRIPTION

[0022] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail to avoid obscuring the present application.

[0023] Unless specifically defined otherwise, the terms "upper," "lower," "right," "left," "forward," "backward," "inner," and "outer" as used herein refer to the orientation of the figures as shown in the drawings, and are used in this description for convenience.

[0024] Please refer to Figures 1-5 The utility model provides a novel methanol fuel electric pile, including protective shell 1 and install in protective shell 1's electric pile structure 2, electric pile structure 2 is prior art, electric pile structure 2 includes interface end plate subassembly, battery pack subassembly and rear end plate subassembly, battery pack subassembly installs between interface end plate subassembly and rear end plate subassembly, interface end plate subassembly and rear end plate subassembly are fastened through a plurality of screw rods, interface end plate subassembly and rear end plate subassembly still install limiting plate between them;

[0025] The surface of the protective shell 1 is welded with a filter box 3, one side outer wall of the filter box 3 is provided with a moving groove, and the moving groove of the filter box 3 is movably connected with a material box 4, the two side inner walls of the material box 4 are welded with four limiting blocks 5, the four limiting blocks 5 are in two groups, the two groups of limiting blocks 5 are inserted with filter layers 6, and a deionization layer 7 is arranged between the two filter layers 6, the filter layer 6 comprises a first mesh sheet and a second mesh sheet matched with each other, the first mesh sheet and the second mesh sheet are arranged with a water purification filter cotton layer capable of filtering particulate matter, the deionization layer 7 comprises a water permeable mesh bag, cation exchange resin fine particles and anion exchange resin fine particles encapsulated in the water permeable mesh bag, the fine particulate matter and ionic impurities in the methanol solution are removed through the filter layer 6 and the deionization layer 7, so as to avoid the blockage of the electric pile liquid channel caused by the particulate matter and ionic impurities entering the electric pile liquid channel, thereby ensuring the battery reaction efficiency and prolonging the service life;

[0026] A plurality of sliding grooves are arranged in the material box 4, and a supporting spring 10 is arranged in the sliding groove of the material box 4, one side of the supporting spring 10 is provided with a limiting sliding block 11 in sliding connection with the material box 4, one end of the limiting sliding block 11 is fixedly connected with a pushing column 12, and one side outer wall of the material box 4 is provided with a through hole for the movement of the pushing column 12;

[0027] A fixing box 13 is welded on the surface of the filter box 3, moving holes are arranged at the upper and lower ends of the fixing box 13, and a fixing pin 14 is movably connected in the moving hole of the fixing box 13, a guide hole is arranged at the top of the filter box 3 for the movement of the fixing pin 14, a fixing hole matched with the fixing pin 14 is arranged on the surface of the material box 4, a fixing ring 15 is welded on the outer wall of the fixing pin 14, and a fixing spring 16 for supporting the fixing ring 15 is sleeved on the outside of the fixing pin 14, the material box 4 is pushed into the filter box 3, the pushing column 12 is extruded, the pushing column 12 is retracted into the material box 4, the fixing spring 16 supports the fixing ring 15, the fixing pin 14 is inserted into the fixing hole on the surface of the material box 4, and the installation and fixing of the material box 4 can be quickly completed;

[0028] The fixing pin 14 is pulled upwards to separate the fixing pin 14 from the material box 4, under the elastic force of the supporting spring 10, the material box 4 can be pushed to move, the material box 4 is moved out of the filter box 3 by a certain distance, the material box 4 can be taken out of the filter box 3, and the movable filter layer 6 and the deionization layer 7 are more convenient to disassemble and assemble, which is convenient for later maintenance and replacement;

[0029] The top of the filter box 3 is provided with a water inlet hole, and a water inlet pipe 8 is fixed in the water inlet hole of the top of the filter box 3; the bottom of the material box 4 is provided with a water outlet hole, and a water outlet pipe 9 is fixed in the water outlet hole of the bottom of the material box 4; the filter box 3 and the protective shell 1 are provided with flow guide holes corresponding to the positions of the water outlet pipe 9; the flow guide holes of the filter box 3 and the protective shell 1 are fixed with sealing rings, the sealing rings are attached to the bottom of the water outlet pipe 9, so that the sealing rings do not affect the movement of the material box 4, and the sealing property between the protective shell 1 and the filter box 3 can be ensured when the methanol solution is added into the protective shell 1.

[0030] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, the control mode of the utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0031] In the description of the utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] Working principle:

[0033] When the novel methanol fuel electric pile is used, the material box 4 is pushed into the filter box 3, the pushing column 12 is extruded, the pushing column 12 is retracted into the material box 4, the side outer wall of the material box 4 is attached to the inner wall of the filter box 3, the fixed spring 16 supports the fixed ring 15, the fixed pin 14 is inserted into the fixed hole in the surface of the material box 4, and the position of the material box 4 is fixed;

[0034] The methanol solution is injected into the filter box 3 through the water inlet pipe 8, the filter layer 6 and the deionization layer 7 remove fine particles and ionic impurities in the methanol solution, so that the methanol solution is prevented from entering the liquid channel of the stack and causing the liquid channel of the stack to be blocked, and then the methanol solution is injected into the protective shell 1 through the water outlet pipe 9 and the flow guide hole, and the power generation is performed in cooperation with the stack structure 2; when the filter layer 6 and the deionization layer 7 need to be disassembled, the fixing pin 14 is pulled upward to be separated from the material box 4, the material box 4 is pushed to move under the elastic force of the supporting spring 10, the material box 4 is moved away from the filter box 3 by a certain distance, and then the material box 4 can be taken out from the filter box 3, and the filter layer 6 and the deionization layer 7 can be replaced.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel methanol fuel cell stack comprising a protective casing (1) and a stack structure (2) mounted in the protective casing (1), characterized in that: The surface of the protective shell (1) is fixed with a filter box (3), one side outer wall of the filter box (3) is provided with a moving slot, and the moving slot of the filter box (3) is movably connected with a material box (4), both side inner walls of the material box (4) are fixed with four limiting blocks (5), two of the four limiting blocks (5) form a group, the two groups of limiting blocks (5) are both inserted with filter layers (6), and a deionization layer (7) is arranged between the two filter layers (6). A plurality of sliding grooves are formed in the material box (4), and a supporting spring (10) is arranged in the sliding groove of the material box (4), one side of the supporting spring (10) is provided with a limiting sliding block (11) which is slidingly connected with the material box (4), one end of the limiting sliding block (11) is fixed with a pushing column (12), and the surface of the filter box (3) is fixed with a fixed box (13).

2. A novel methanol fuel cell stack as claimed in claim 1, wherein: The upper and lower ends of the fixed box (13) are both provided with moving holes, and the moving holes of the fixed box (13) are movably connected with fixed pins (14), and the surface of the material box (4) is provided with fixed holes matched with the fixed pins (14).

3. A novel methanol fuel cell stack as claimed in claim 2, wherein: The outer wall of the fixed pin (14) is fixed with a fixed ring (15), and the outer part of the fixed pin (14) is sleeved with a fixed spring (16) for supporting the fixed ring (15).

4. A novel methanol fuel cell stack as claimed in claim 1, wherein: The top of the filter box (3) is provided with a water inlet hole, and the water inlet hole in the top of the filter box (3) is fixed with a water inlet pipe (8).

5. A novel methanol fuel cell stack as claimed in claim 4, wherein: The bottom of the material box (4) is provided with a water outlet hole, and the water outlet hole in the bottom of the material box (4) is fixed with a water outlet pipe (9), and the corresponding positions of the filter box (3) and the protective shell (1) are both provided with flow guide holes corresponding to the positions of the water outlet pipe (9). The top of the filter box (3) is provided with a water inlet hole, and the water inlet hole in the top of the filter box (3) is fixed with a water inlet pipe (8). The bottom of the material box (4) is provided with a water outlet hole, and the water outlet hole in the bottom of the material box (4) is fixed with a water outlet pipe (9), and the corresponding positions of the filter box (3) and the protective shell (1) are both provided with flow guide holes corresponding to the positions of the water outlet pipe (9).

Images