Assembling method of zinc-air battery power bank and zinc-air battery power bank

Abstract

The invention provides an assembling method of a zinc-air battery power bank and the zinc-air battery power bank. The zinc-air battery power bank comprises a shell and a battery cell, the battery cell is located in the shell and is composed of a first zinc-air battery, a second zinc-air battery, a third zinc-air battery and a fourth zinc-air battery, each zinc-air battery is provided with a positive electrode and a negative electrode, and the positive electrode and the negative electrode are arranged in the shell. A connecting piece is welded between the negative electrode of the first zinc-air battery and the positive electrode of the second zinc-air battery to form a first series connection part, and a connecting piece is also welded between the negative electrode of the third zinc-air battery and the positive electrode of the fourth zinc-air battery to form a second series connection part. According to the assembling method of the zinc-air battery power bank and the zinc-air battery power bank, the problem that the tabs are bent for multiple times in automatic production is solved, the welding position is fixed through the adhesive tape, short circuit is avoided, the battery cell is fixed with the minimum adhesive pasting frequency, automatic production of the zinc-air battery power bank is achieved, and the production efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power bank, in particular to a zinc-air battery power bank assembly method and zinc-air battery power bank. BACKGROUND

[0002] The zinc-air battery power bank assembly method, also known as the battery pack method, is to process the battery cell into a battery product. The zinc-air battery power bank is composed of four zinc-air batteries connected in series and connected with a charging line. For the zinc-air battery power bank product, we hope to make full use of the area on one side of the shell to achieve the maximum charging effect. Therefore, a double-layer structure is adopted, that is, two zinc-air batteries are connected in series in the upper layer, and two zinc-air batteries are connected in series in the lower layer. Such a zinc-air battery power bank has lower price and higher charging current and is most potential. However, the zinc-air battery power bank with the double-layer structure is easy to operate when manually packed, but a series of problems will be encountered during automatic production.

[0003] Firstly, the short circuit problem, during the stacking and series connection of the zinc-air battery, there are many series connection interface positions, and the distance is very close, which is easy to cause short circuit after contact; secondly, the welding problem, since the two batteries connected in series are placed side by side, one of the battery tabs must be folded over and fixed with the tab of the other battery, which is difficult to operate automatically; thirdly, the fixing problem of the zinc-air battery, the four zinc-air batteries are loose, and multiple gluing is required to fix the four zinc-air batteries together, which is too high in cost; finally, these problems are intertwined with each other, and how to arrange them in order and not interfere with each other is a big problem.

[0004] Therefore, it is necessary to provide a zinc-air battery power bank assembly method and zinc-air battery power bank to solve the above technical problems. SUMMARY

[0005] The present application provides a zinc-air battery power bank assembly method and zinc-air battery power bank, which solves the problems of high short circuit risk, high welding difficulty and low fixing efficiency in the prior art.

[0006] To solve the above technical problems, the present application provides a zinc-air battery power bank assembly method, which comprises the following steps: S1: four zinc-air batteries are fixed on the same plane by a positioning member, so that the positive and negative electrodes of the four zinc-air batteries are oriented to the same side; S2: a connecting part is formed between the positive and negative electrodes of every two adjacent zinc-air batteries, a total of three connecting parts, and the connecting parts on both sides are connected by a connecting member to form series connection part one and series connection part two; S3: connecting the power line with the connecting part in the middle of S2 to form series connection part three; S4: Covering the connection of series part one, series part two and series part three by insulation tape; S5: Folding four zinc air batteries in the middle, using double-sided tape to fix the four zinc air batteries in the shape of "mouth" to form the battery core, series part one and series part two are pasted, the positive and negative poles of the first and last zinc air batteries are pasted; S6: Connecting and fixing the pasted positive and negative poles in S5 to form series part four, and covering by insulation tape; S7: Fixing the battery core and the shell by fixing tape to form the zinc air battery power bank.

[0007] Preferably, the positioning member in S1 is a vacuum suction cup.

[0008] Preferably, the connecting member in S2 is a connecting sheet with conductive properties, and the two ends of the connecting sheet are respectively connected with the positive and negative poles of the to-be-connected part.

[0009] Preferably, the power line in S3 contains two wires, which are respectively connected with the positive and negative poles of the to-be-connected part located in the middle, and the insulation tape covers the connection of the positive and negative poles.

[0010] Preferably, the double-sided tape in S5 is pasted on the joint of the four zinc air batteries.

[0011] A zinc air battery power bank, comprising: a shell and a battery core, the battery core is located inside the shell, and the battery core is composed of zinc air battery one, zinc air battery two, zinc air battery three and zinc air battery four, each zinc air battery is provided with positive and negative poles, the negative pole of the zinc air battery one and the positive pole of the zinc air battery two are welded with a connecting sheet to form series part one, the negative pole of the zinc air battery three and the positive pole of the zinc air battery four are also welded with a connecting sheet to form series part two, and the positive pole of the zinc air battery one and the negative pole of the zinc air battery four are welded and connected. The outer parts of series part one and series part two are respectively provided with insulation tape one and insulation tape two to prevent series part one and series part two from contacting; The connecting part between zinc air battery one and zinc air battery two and the connecting part between zinc air battery three and zinc air battery four are provided with double-sided tape, which can fix the four zinc air batteries together; The top and bottom of the battery core are provided with fixing tape, which can fix the battery core in the shell to prevent the battery core from being warped in the shell.

[0012] Preferably, the connecting sheet is a metal material with strong conductive performance, and the shape is long strip, which can cover the welding position of the positive and negative poles.

[0013] Preferably, the insulation tape one is arranged on the series connection part one and the negative electrode of the zinc-air battery two, and is adhered to the back of the zinc-air battery one and the zinc-air battery two along the edge of the series connection part one, and the insulation tape one completely covers the series connection part one, and the insulation tape two is arranged on the series connection part two and is adhered to the back of the zinc-air battery three and the zinc-air battery four along the edge of the series connection part two, and the insulation tape two completely covers the series connection part two.

[0014] Preferably, the power line is arranged on the cell, and the power line is internally provided with a wire one and a wire two, the wire one is welded with the negative electrode of the zinc-air battery two, and the wire two is welded with the positive electrode of the zinc-air battery three.

[0015] Preferably, the power line and the wire one and the wire two form a T shape, so that the wire one is arranged above the negative electrode of the zinc-air battery two, and the wire two is arranged above the positive electrode of the zinc-air battery three, and the electrical connection of the power line and the electrode is completed by soldering, so that the four zinc-air batteries form a completed series connection circuit.

[0016] Beneficial effects: I. The four zinc-air batteries are first laid flat on the same plane to perform series connection welding, tape sticking and other operations, and then are folded, so that the short circuit problem caused by the double-layer structure of the zinc-air batteries after folding is avoided; the insulation tape is used to fix the welding positions on the back of the battery, and separates the two series connection parts one and two, so that the short circuit caused by the contact of the two series connection parts is avoided; the metal connecting piece is used to weld the positive electrode and the negative electrode of the adjacent zinc-air batteries, so that the problem of multiple bending of the tab for welding in the automatic production of the zinc-air battery power bank is avoided, and the automatic production is more convenient; and the problem of difficult welding of the mesh tab of the zinc-air battery is solved. II. One double-sided tape is adhered to the joints of the four zinc-air batteries to preliminarily fix the four zinc-air batteries, and then the fixing tape is arranged between the shell and the top of the zinc-air battery one and the zinc-air battery two and the bottom of the zinc-air battery three and the zinc-air battery four, so that the four zinc-air batteries can be fixed, the number of times of tape sticking and the amount of tape used are reduced, and the production cost is reduced. III. The wire one and the wire two are bent to form a T shape, and can be connected with the battery in advance, so that the short circuit problem in the series connection is avoided. IV. Through the above process, a preferable assembly method of the zinc-air battery power bank is provided, so that the welding of the series connection part, the tape sticking between the zinc-air batteries, the folding of the zinc-air battery into a double-layer structure and other processes are orderly performed, and the automatic production does not interfere with each other. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The flowchart of the assembly method of the zinc-air battery power bank of the application; Figure 2 The three-dimensional structure diagram of the zinc-air battery power bank of the application; Figure 3 It is a schematic view of the internal structure of the shell of the present application; Figure 4 It is a schematic view of the right view of the shell of the present application; Figure 5 It is a schematic view of the top view of the electric core of the present application after unfolding; Figure 6 It is a schematic view of the bottom view of the electric core of the present application after unfolding.

[0018] Reference numerals in the figure: 10, shell; 20, electric core; 201, zinc-air battery one; 202, zinc-air battery two; 203, zinc-air battery three; 204, zinc-air battery four; 21, positive electrode; 22, negative electrode; 23, connecting piece; 30, insulating tape one; 31, insulating tape two; 40, double-sided tape; 50, fixing tape; 60, power line; 61, wire one; 62, wire two. DETAILED DESCRIPTION

[0019] The present application will be further described below in combination with the drawings and embodiments.

[0020] Please refer to Figures 1 to 6 A method for assembling a zinc-air battery power bank, comprising the following steps: S1: four zinc-air batteries are fixed on the same plane by positioning members, so that the positive electrodes 21 and the negative electrodes 22 of the four zinc-air batteries face the same side, the positioning members are vacuum suction cups, the vacuum suction cups adsorb the corners of the zinc-air batteries and transfer them to the production line, and the zinc-air batteries are neatly laid on the same plane; S2: a connecting part is formed between the positive electrodes 21 and the negative electrodes 22 of every two adjacent zinc-air batteries, a total of three connecting parts, the connecting parts on both sides are connected by connecting members to form series connection part one and series connection part two, the connecting members are connecting pieces 23 with conductive properties, the two ends of the connecting pieces 23 are connected with the positive electrodes 21 and the negative electrodes 22 of the connecting parts, respectively; S3: the power line 60 is connected with the connecting part in the middle in S2 to form series connection part three, the power line 60 includes two wires connected with the positive electrodes 21 and the negative electrodes 22 of the connecting part in the middle, respectively, and the insulating tapes cover the connection parts of the positive electrodes 21 and the negative electrodes 22, respectively; S4: the connecting parts of the series connection part one, the series connection part two and the series connection part three are covered by the insulating tapes; S5: Fold four zinc-air batteries in the middle, use double-sided tape 40 to fix the four zinc-air batteries in the shape of a "mouth" to form the battery core 20, and the series connection part one and the series connection part two are pasted. Due to the insulating tape, the series connection part one and the series connection part two will not be electrically connected so as to avoid short circuit in the future. The positive electrode 21 and the negative electrode 22 of the first and last zinc-air batteries are pasted. The double-sided tape 40 is pasted at the joint of the four zinc-air batteries. Only one double-sided tape 40 is used to complete the preliminary fixation of the four zinc-air batteries. S6: Connect and fix the pasted positive electrode 21 and negative electrode 22 in S5 to form the series connection part four, and cover it with insulating tape. S7: Fix the battery core 20 and the shell 10 with the fixing tape 50 to form the zinc-air battery power bank.

[0021] Reference Figures 2 to 6 A zinc-air battery power bank includes a shell 10, a battery core 20, an insulating tape one 30, an insulating tape two 31, a double-sided tape 40, a fixing tape 50, and a power line 60. The shell 10 is a breathable shell 10. The battery core 20 is located inside the shell 10. The battery core 20 is provided with the insulating tape one 30 and the insulating tape two 31 to prevent contact between the series connection parts and cause internal circuit short circuit of the power bank. The double-sided tape 40 is arranged between the connection of the upper two zinc-air batteries and the connection of the lower zinc-air batteries to fix the four zinc-air batteries together. The fixing tape 50 is arranged at the top and bottom of the battery core 20 to fix the battery core 20 inside the shell 10.

[0022] Reference Figures 3 to 6, the electric core 20 is composed of a zinc-air battery one 201, a zinc-air battery two 202, a zinc-air battery three 203 and a zinc-air battery four 204, and the zinc-air battery one 201 and the zinc-air battery two 202 are located at the upper layer and are laid flat, the zinc-air battery three 203 and the zinc-air battery four 204 are located at the lower layer and are laid flat, the zinc-air battery one 201, the zinc-air battery two 202, the zinc-air battery three 203 and the zinc-air battery four 204 are all fixedly connected with a positive electrode 21 and a negative electrode 22, the positive electrode 21 and the negative electrode 22 on the four zinc-air batteries are arranged on the same side, a connecting piece 23 is arranged between the negative electrode 22 of the zinc-air battery one 201 and the positive electrode 21 of the zinc-air battery two 202, and the connecting piece 23 is a metal material with strong conductivity, which can be copper, the zinc-air battery one 201 and the zinc-air battery two 202 are connected in series through the connecting piece 23 to form a series connection part one, the zinc-air battery three 203 and the zinc-air battery four 204 are also connected in series through the connecting piece 23 between the negative electrode 22 of the zinc-air battery three 203 and the positive electrode 21 of the zinc-air battery four 204 to form a series connection part two, the zinc-air battery three 203 and the zinc-air battery four 204 are arranged below the zinc-air battery one 201 and the zinc-air battery two 202, and the positive electrode 21 of the zinc-air battery one 201 and the negative electrode 22 of the zinc-air battery four 204 are connected together through the connecting piece 23 to make the zinc-air battery one 201 and the zinc-air battery four 204 connected in series to form a series connection part four.

[0023] Reference Figure 6 The insulating adhesive tape one 30 is arranged on the series connection part one and the negative electrode 22 of the zinc-air battery two 202, and is pasted to the back of the zinc-air battery one 201 and the zinc-air battery two 202 along the edge of the series connection part one, and the insulating adhesive tape one 30 completely covers the series connection part one, and the insulating adhesive tape two 31 is arranged on the series connection part two and is pasted to the back of the zinc-air battery three 203 and the zinc-air battery four 204 along the edge of the series connection part two, and the insulating adhesive tape two 31 completely covers the series connection part two.

[0024] Reference Figure 6 The double-sided adhesive tape 40 is pasted at the connection between the zinc-air battery one 201 and the zinc-air battery two 202 on one side, and is pasted at the connection between the zinc-air battery three 203 and the zinc-air battery four 204 on the other side, which can fix the four zinc-air batteries together.

[0025] Reference Figure 4 The fixing adhesive tape 50 is arranged at the top of the zinc-air battery one 201 and the zinc-air battery two 202 and at the bottom of the zinc-air battery three 203 and the zinc-air battery four 204 respectively, which can fix the four zinc-air batteries in the shell 10 and prevent the zinc-air batteries from being warped inside the shell 10.

[0026] Reference Figures 2 to 4The power line 60 is internally provided with a wire one 61 and a wire two 62, the wire one 61 is electrically connected with the negative electrode 22 of the zinc-air battery two 202, the wire two 62 is electrically connected with the positive electrode 21 of the zinc-air battery three 203, forming a series connection part three, and the four zinc-air batteries form a series circuit as a whole through the series connection part one, the series connection part two and the series connection part four, and the insulating tape one 30 covers the connection between the wire one 61 and the negative electrode 22 of the zinc-air battery two 202.

[0027] When the zinc-air battery power bank is assembled, the vacuum suction force of the vacuum chuck is used to transfer and fix the zinc-air battery one 201, the zinc-air battery two 202, the zinc-air battery three 203 and the zinc-air battery four 204 in sequence, so that the four zinc-air batteries are arranged in order on the same plane, the positive electrode 21 and the negative electrode 22 are located on the same side, and subsequent welding, connection and other operations of the poles are facilitated, thereby providing a stable basis for subsequent processes.

[0028] The negative electrode 22 of the zinc-air battery one 201 and the positive electrode 21 of the zinc-air battery two 202 and the negative electrode 22 of the zinc-air battery three 203 and the positive electrode 21 of the zinc-air battery four 204 are respectively tin soldered by the connecting piece 23, forming a series connection part one and a series connection part two, realizing the passage of current, the wire one 61 and the wire two 62 in the power line 60 are respectively tin soldered with the negative electrode 22 of the zinc-air battery two 202 and the positive electrode 21 of the zinc-air battery three 203, forming a current output path, the power line 60 and the wire form a T-shaped structure, so that the wire is located above the corresponding electrode, ensuring the accuracy of the welding position and avoiding the winding or contact of the wire with other components to cause short circuit.

[0029] The insulating tape one 30 and the insulating tape two 31 cover all the welding points of the series connection parts and the connection of the power line 60, so as to isolate the contact of different conductive parts and prevent short circuit caused by exposed welding points or wire friction, wherein the insulating tape one 30 completely covers the series connection part one and is pasted to the back of the battery along the edge, and the insulating tape two 31 completely covers the series connection part two, so as to avoid short circuit caused by electrical connection between the series connection part one and the series connection part two or contact with other components.

[0030] The double-sided tape 40 is pasted at the joint between the zinc-air battery one 201 and the zinc-air battery two 202, and is folded along the edge between the zinc-air battery two 202 and the zinc-air battery three 203, so that the upper layer (the zinc-air battery one 201 and the zinc-air battery two 202) and the lower layer (the zinc-air battery three 203 and the zinc-air battery four 204) are stacked to form a double-layer structure, and the double-sided tape 40 is pasted at the connection of the four zinc-air batteries to preliminarily fix the four batteries as a whole, so as to reduce the looseness and shaking during folding, at this time, the four zinc-air batteries form a "mouth" shape, which can reduce the volume of the battery cell 20 and improve the space utilization, and at the same time meet the characteristics of the zinc-air battery that needs to be exposed to air for reaction (the shell 10 is made of breathable material and cooperates with the double-layer structure to ensure air circulation).

[0031] After folding, the positive electrode 21 of the zinc-air battery 1 201 is connected to the negative electrode 22 of the zinc-air battery 4 204 by soldering, forming a series connection part 4, and the zinc-air battery 1 201, the zinc-air battery 2 202, the zinc-air battery 3 203 and the zinc-air battery 4 204 form a complete series circuit through the four series connection parts.

[0032] The fixing tape 50 is pasted on the top of the zinc-air battery 1 201 and the zinc-air battery 2 202 and the bottom of the zinc-air battery 3 203 and the zinc-air battery 4 204, firmly fixing the four zinc-air batteries inside the shell 10, preventing the zinc-air batteries from being warped and displaced inside the shell 10, avoiding poor contact or short circuit of the internal circuit caused by vibration and other factors, and placing the battery cell 20 composed of the four zinc-air batteries in the shell 10. The shell 10 made of breathable material allows air to enter, providing the required oxygen for the oxygen reduction reaction of the zinc-air battery (oxygen is required for the reaction of the zinc-air battery during operation), while protecting the internal zinc-air battery, forming a complete power bank product.

[0033] The above is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A method for assembling a zinc-air battery power bank, characterized in that: The following steps are involved: S1: Use positioning parts to lay four zinc-air batteries flat on the same plane, so that the positive and negative electrodes of the four zinc-air batteries face the same side; S2: A connection portion is formed between the positive and negative electrodes of every two adjacent zinc-air batteries, for a total of three portions. The connection portions on both sides are connected by connectors to form a first series connection portion and a second series connection portion. S3: Connect the power line to the middle portion to be connected in S2 to form a third series connection portion; S4: Cover the connection between the series connection part 1, the series connection part 2 and the series connection part 3 with insulating tape; S5: Fold four zinc-air batteries from the middle and use double-sided tape to fix the four zinc-air batteries in a "mouth" shape to form a battery cell. The first and second series connection parts are attached to each other, and the positive and negative electrodes of the first and last zinc-air batteries are attached to each other. S6: Connect and fix the positive and negative electrodes in S5 to form a fourth series connection, and cover them with insulating tape; S7: The battery cell and the shell are fixed with a fixing tape to form a zinc-air battery power bank.

2. The method for assembling a zinc-air battery power bank according to claim 1, characterized in that: The positioning member in S1 is a vacuum suction cup.

3. The assembly method of a zinc-air battery power bank according to claim 1, characterized in that: The connecting piece in S2 is a connecting piece with conductive properties, and both ends of the connecting piece are respectively connected to the positive electrode and the negative electrode of the part to be connected.

4. The method for assembling a zinc-air battery power bank according to claim 1, characterized in that: The power line in S3 includes two conductors, which are respectively connected to the positive electrode and the negative electrode of the part to be connected in the middle, and the insulating tape covers the connection between the positive electrode and the negative electrode.

5. The method for assembling a zinc-air battery power bank according to claim 1, characterized in that: The double-sided tape in S5 is pasted on the joints of the four zinc-air batteries.

6. A zinc-air battery power bank, suitable for the assembly method of a zinc-air battery power bank according to any one of claims 1 to 5, characterized in that: include: The shell and the battery cell are located inside the shell, and the battery cell is composed of zinc-air battery 1, zinc-air battery 2, zinc-air battery 3 and zinc-air battery 4, and the zinc-air batteries are all provided with a positive electrode and a negative electrode, a connecting piece is welded between the negative electrode of zinc-air battery 1 and the positive electrode of zinc-air battery 2 to form a series connection part 1, a connecting piece is also welded between the negative electrode of zinc-air battery 3 and the positive electrode of zinc-air battery 4 to form a series connection part 2, and the positive electrode of zinc-air battery 1 is welded to the negative electrode of zinc-air battery 4 to form a series connection part 4; The outsides of the series connection part 1 and the series connection part 2 are respectively provided with an insulating tape 1 and an insulating tape 2; Double-sided tape is provided between the connection between zinc-air battery 1 and zinc-air battery 2 and between zinc-air battery 3 and zinc-air battery 4, so as to fix the four zinc-air batteries together; There are fixing tapes on the top and bottom of the battery cell, which can fix the battery cell inside the shell and prevent the battery cell from warping inside the shell.

7. A zinc-air battery power bank according to claim 6, characterized in that: The connecting piece is made of a metal material with strong conductive properties and is in the shape of a long strip, and can cover the welding position of the positive electrode and the negative electrode.

8. The zinc-air battery power bank according to claim 6, characterized in that: The insulating tape 1 is arranged on the negative electrode of the series part 1 and the zinc-air battery 2, and is pasted to the back of the zinc-air battery 1 and the zinc-air battery 2 along the edge of the series part 1, and the insulating tape 1 completely covers the series part 1. The insulating tape 2 is arranged on the series part 2 and is pasted to the back of the zinc-air battery 3 and the zinc-air battery 4 along the edge of the series part 2, and the insulating tape 2 completely covers the series part 2.

9. The zinc-air battery power bank according to claim 6, characterized in that: The battery cell is provided with a power line, and a first conductor and a second conductor are provided inside the power line. The first conductor is welded to the negative electrode of the second zinc-air battery, and the second conductor is welded to the positive electrode of the third zinc-air battery.

10. The zinc-air battery power bank according to claim 9, characterized in that: The power line forms a T shape with the first and second conductors, and the first conductor is electrically connected to the negative electrode of the second zinc-air battery, while the second conductor is electrically connected to the positive electrode of the third zinc-air battery, forming a third series connection part.

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