Adding equipment of battery piece etching additive
By designing an additive device for cell etching additives, the problem of insufficient performance stability caused by inaccurate artificial proportions is solved, the precise mixing of components is achieved, and the photoelectric conversion efficiency of single crystal silicon solar cells is improved. .
Patent Information
- Application Number
- CN202420968255.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-07
AI Technical Summary
In the production process of single crystal silicon solar cells, during the mixing of cell etching additives, due to inaccurate artificial proportions, performance stability is insufficient.
A battery etching and addition equipment is designed, including mounting base plates, additive platforms, raw material tables, mixing tanks and mixing systems, ensuring proportional mixing of components through precise metering and control valves to ensure the accuracy and stability of the mixing process.
The accurate formulation and stability of cell etching additives are achieved, and the photoelectric conversion efficiency of solar cells is improved.
Smart Images

Figure CN222322100U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of adding equipment, and in particular relates to adding equipment for battery sheet etching additives. Background Art
[0002] Monocrystalline silicon solar cells account for an increasingly higher proportion of crystalline silicon solar cells. Major monocrystalline silicon solar cell manufacturers are also expanding. In the fierce competition, in order to maintain their strong competitiveness in the industry, each manufacturer is committed to improving the efficiency of solar cells. In the production process of monocrystalline silicon solar cells, texturing is an indispensable and important step. Monocrystalline silicon texturing is to texturize the surface of monocrystalline silicon wafers. The most commonly used method is alkaline etching, which forms a dense pyramid-like structure on the surface of monocrystalline silicon wafers, reducing the reflectivity of silicon wafers to light, thereby increasing the silicon wafer's absorption rate of sunlight, and thus improving the photoelectric conversion efficiency.
[0003] Among them, during the preparation process of battery cell etching additives, various components need to be added and mixed, and they need to be mixed in precise proportions. However, the current mixed addition is often manually proportioned and its accuracy cannot be guaranteed, resulting in insufficient stability of its performance. Summary of the invention
[0004] In order to solve the deficiencies in the prior art, the utility model provides a device for adding a battery sheet etching additive.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A device for adding additives for etching battery cells, comprising a mounting base plate, an adding platform is provided at the upper end of the mounting base plate, a raw material platform is provided at the front end of the mounting base plate, a plurality of first raw material tanks are provided at the upper end of the raw material platform, a first discharge pipe is provided at the rear end of the first raw material tank, a first control valve is provided on the first discharge pipe, a plurality of adding mechanisms are provided on the adding platform, the adding mechanisms correspond one to one with the first raw material tanks, a first mixing tank is provided at the rear end of the mounting base plate, a first feeding hopper is provided at the upper end of the first mixing tank, a first driving motor is provided at the upper end of the first mixing tank, a first stirring shaft is provided in the first mixing tank, and a first stirring paddle is provided on the first stirring shaft; a first controller is provided on the mounting base plate, and the first control valve and the first driving motor are both electrically connected to the first controller.
[0007] Furthermore, the adding mechanism includes a first support plate, a first metering barrel and a first quantitative block, the two ends of the first support plate are hinged to the adding platform, the first quantitative block is fixed at the front end of the first support plate, the first metering barrel is arranged at the rear end of the first support plate, and the first metering barrel corresponds one-to-one to the first discharge pipe.
[0008] Further, the adding mechanism includes a first supporting block, a second supporting block, a first connecting block and a second connecting block, the first supporting block is arranged at the front end of the first supporting plate, the lower end of the first supporting block is provided with a first contact, the second supporting block is arranged at the rear end of the first supporting plate, the lower end of the second supporting block is provided with a second contact, the first contact and the second contact are connected by a first wire, the upper end of the first connecting block is provided with a third contact, the third contact matches the first contact, the upper end of the second connecting block is provided with a fourth contact, the fourth contact matches the second contact, and the third contact and the fourth contact are both electrically connected to the first controller.
[0009] Further, a first guide rod is provided at the lower end of the first connecting block, a first guide hole is provided at the front end of the adding platform, the first guide rod matches the first guide hole, a first spring is sleeved on the first guide rod, the first spring corresponds to between the first connecting block and the adding platform, a second guide rod is provided at the lower end of the second connecting block, a second guide hole is provided at the rear end of the adding platform, the second guide rod matches the second guide hole, a second spring is sleeved on the second guide rod, and the second spring corresponds to between the second connecting block and the adding platform.
[0010] Furthermore, a first guide rail is provided at the rear end of the mounting base plate, a second support plate is provided at the lower end of the first mixing tank, a first slider is provided at the lower end of the second support plate, the first slider matches the first guide rail, the first mixing tank is driven by a second drive motor, a second discharge pipe is provided at the lower end of the first metering barrel, the second discharge pipe matches the first feed hopper, a second control valve is provided on the second discharge pipe, and the second control valve is electrically connected to the first controller.
[0011] The utility model discloses a battery cell etching additive adding device, which has the beneficial effect of being simple and stable in structure compared with the prior art, and can accurately prepare each component so that they can be mixed in accurate proportions, thereby ensuring the performance stability of the battery cell etching additive. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of a preferred embodiment provided by the utility model from one viewing angle.
[0013] Figure 2 It is a structural schematic diagram of another viewing angle of a preferred embodiment provided by the utility model.
[0014] Figure 3 It is a structural schematic diagram of a part A of a preferred embodiment provided by the utility model.
[0015] Figure 4 It is a structural schematic diagram of the adding mechanism of the preferred embodiment provided by the utility model.
[0016] The reference numerals include: 100, adding platform; 110, raw material platform; 120, mounting base; 121, first guide rail; 130, second support plate; 131, first slider; 140, second guide hole; 200, first mixing tank; 210, first feed hopper; 220, first drive motor; 300, first raw material tank; 310, first discharge pipe; 320, first control valve; 400, first support plate; 410, first quantitative block; 420, first metering barrel; 421, second discharge pipe; 422, second control valve; 430, first support block; 431, first contact piece; 440, second support block; 441, second contact piece; 450, second connecting block; 451, fourth contact piece; 452, second guide rod; 460, second spring. DETAILED DESCRIPTION
[0017] The utility model discloses a device for adding a battery sheet etching additive. The specific implementation manner of the utility model is further described below in conjunction with a preferred embodiment.
[0018] See attached figure Figure 1-4 , Figure 1 It is a structural schematic diagram of a preferred embodiment provided by the utility model from one viewing angle. Figure 2 It is a structural schematic diagram of another perspective of a preferred embodiment provided by the utility model. Figure 3 It is a structural schematic diagram of a part A of a preferred embodiment provided by the utility model. Figure 4 It is a structural schematic diagram of the adding mechanism of the preferred embodiment provided by the utility model.
[0019] Preferred embodiments.
[0020] The present embodiment provides an adding device for etching additives for a battery cell, comprising a mounting base plate 120, an adding platform 100 is provided at the upper end of the mounting base plate 120, a raw material platform 110 is provided at the front end of the mounting base plate 120, a plurality of first raw material tanks 300 are provided at the upper end of the raw material platform 110, a first discharge pipe 310 is provided at the rear end of the first raw material tank 300, a first control valve 320 is provided on the first discharge pipe 310, a plurality of adding mechanisms are provided on the adding platform 100, and the adding mechanisms correspond to the first raw material tanks 300 one by one, a first mixing tank 200 is provided at the rear end of the mounting base plate 120, a first material inlet hopper 210 is provided at the upper end of the first mixing tank 200, a first driving motor 220 is provided at the upper end of the first mixing tank 200, a first stirring shaft is provided in the first mixing tank 200, and a first stirring paddle is provided on the first stirring shaft; a first controller is provided on the mounting base plate 120, and the first control valve 320 and the first driving motor 220 are both electrically connected to the first controller.
[0021] Furthermore, the adding mechanism includes a first support plate 400, a first metering barrel 420 and a first quantitative block 410, both ends of the first support plate 400 are hinged to the adding platform 100, the first quantitative block 410 is fixed to the front end of the first support plate 400, and the first metering barrel 420 is arranged at the rear end of the first support plate 400, and the first metering barrel 420 corresponds one-to-one to the first discharge pipe 310.
[0022] Further, the adding mechanism includes a first support block 430, a second support block 440, a first connecting block and a second connecting block 450, the first support block 430 is arranged at the front end of the first support plate 400, the lower end of the first support block 430 is provided with a first contact 431, the second support block 440 is arranged at the rear end of the first support plate 400, the lower end of the second support block 440 is provided with a second contact 441, the first contact 431 and the second contact 441 are connected through a first wire, the upper end of the first connecting block is provided with a third contact, the third contact matches the first contact 431, the upper end of the second connecting block 450 is provided with a fourth contact 451, the fourth contact 451 matches the second contact 441, and the third contact and the fourth contact 451 are both electrically connected to the first controller.
[0023] Further, a first guide rod is provided at the lower end of the first connecting block, a first guide hole is provided at the front end of the adding platform 100, the first guide rod matches the first guide hole, a first spring is sleeved on the first guide rod, the first spring corresponds to between the first connecting block and the adding platform 100, a second guide rod 452 is provided at the lower end of the second connecting block 450, a second guide hole 140 is provided at the rear end of the adding platform 100, the second guide rod 452 matches the second guide hole 140, a second spring 460 is sleeved on the second guide rod 452, and the second spring 460 corresponds to between the second connecting block 450 and the adding platform 100.
[0024] Furthermore, a first guide rail 121 is provided at the rear end of the mounting base plate 120, a second support plate 130 is provided at the lower end of the first mixing tank 200, a first slider 131 is provided at the lower end of the second support plate 130, the first slider 131 matches the first guide rail 121, the first mixing tank 200 is driven by a second driving motor, a second discharge pipe 421 is provided at the lower end of the first metering barrel 420, the second discharge pipe 421 matches the first feeding hopper 210, a second control valve 422 is provided on the second discharge pipe 421, and the second control valve 422 is electrically connected to the first controller.
[0025] Working principle: Additives are added to the first raw material tank 300 and the first metering barrel 420. Initially, the first contact piece 431 is connected to the third contact piece. When the additives in the first metering barrel 420 reach the metering amount, the first support plate 400 falls to the rear end until the second contact piece 441 is connected to the fourth contact piece 451, and the first spring can lift the third contact piece, and the second spring 460 can lift the fourth contact piece 451, ensuring that when the first support plate 400 is in a balanced state, the first contact piece 431 is connected to the third contact piece, and the second contact piece 441 is connected to the fourth contact piece 451, thereby confirming that the first control valve 320 is closed in time. When the additives in each of the first metering barrels 420 reach the set amount, the second control valve 422 is opened, and each additive component enters the first mixing tank 200 through the second discharge pipe 421 for mixing and preparation.
[0026] It is worth mentioning that the technical features such as the first controller involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected according to the conventional selection in the field, and should not be regarded as the utility model point of this utility model patent. This utility model patent will not be further elaborated.
[0027] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A device for adding battery etching additives, characterized in that: The invention comprises a mounting base plate (120), wherein an adding platform (100) is provided at the upper end of the mounting base plate (120), a raw material platform (110) is provided at the front end of the mounting base plate (120), a plurality of first raw material tanks (300) are provided at the upper end of the raw material platform (110), a first material discharge pipe (310) is provided at the rear end of the first raw material tank (300), a first control valve (320) is provided on the first material discharge pipe (310), and a plurality of adding mechanisms are provided on the adding platform (100), and the adding mechanisms and the first raw material tank (300) are connected to each other. In one-to-one correspondence, a first mixing tank (200) is provided at the rear end of the mounting base plate (120), a first feeding hopper (210) is provided at the upper end of the first mixing tank (200), a first driving motor (220) is provided at the upper end of the first mixing tank (200), a first stirring shaft is provided in the first mixing tank (200), and a first stirring paddle is provided on the first stirring shaft; a first controller is provided on the mounting base plate (120), and the first control valve (320) and the first driving motor (220) are both electrically connected to the first controller.
2. The device for adding battery etching additives according to claim 1, characterized in that: The adding mechanism comprises a first support plate (400), a first metering barrel (420) and a first quantitative block (410); both ends of the first support plate (400) are hinged to the adding platform (100); the first quantitative block (410) is fixed to the front end of the first support plate (400); the first metering barrel (420) is arranged at the rear end of the first support plate (400); and the first metering barrel (420) corresponds to the first discharge pipe (310) one by one.
3. The device for adding battery etching additives according to claim 2, characterized in that: The adding mechanism comprises a first supporting block (430), a second supporting block (440), a first connecting block and a second connecting block (450), wherein the first supporting block (430) is arranged at the front end of the first supporting plate (400), a first contact piece (431) is arranged at the lower end of the first supporting block (430), the second supporting block (440) is arranged at the rear end of the first supporting plate (400), a second contact piece (441) is arranged at the lower end of the second supporting block (440), the first contact piece (431) and the second contact piece (441) are connected via a first wire, a third contact piece is arranged at the upper end of the first connecting block, the third contact piece matches the first contact piece (431), a fourth contact piece (451) is arranged at the upper end of the second connecting block (450), the fourth contact piece (451) matches the second contact piece (441), and the third contact piece and the fourth contact piece (451) are both electrically connected to the first controller.
4. The device for adding battery etching additives according to claim 3, characterized in that: A first guide rod is provided at the lower end of the first connecting block, a first guide hole is provided at the front end of the adding platform (100), the first guide rod matches the first guide hole, a first spring is sleeved on the first guide rod, the first spring corresponds to between the first connecting block and the adding platform (100), a second guide rod (452) is provided at the lower end of the second connecting block (450), a second guide hole (140) is provided at the rear end of the adding platform (100), the second guide rod (452) matches the second guide hole (140), a second spring (460) is sleeved on the second guide rod (452), and the second spring (460) corresponds to between the second connecting block (450) and the adding platform (100).
5. The device for adding battery etching additives according to claim 4, characterized in that: A first guide rail (121) is provided at the rear end of the mounting base plate (120); a second support plate (130) is provided at the lower end of the first mixing tank (200); a first slider (131) is provided at the lower end of the second support plate (130); the first slider (131) matches the first guide rail (121); the first mixing tank (200) is driven by a second driving motor; a second discharge pipe (421) is provided at the lower end of the first metering barrel (420); the second discharge pipe (421) matches the first feeding hopper (210); a second control valve (422) is provided on the second discharge pipe (421); and the second control valve (422) is electrically connected to the first controller.