Photovoltaic welding strip air knife

Abstract

The utility model belongs to the technical field of photovoltaic welding strip air knives, and particularly relates to a photovoltaic welding strip air knife which comprises an upper supporting frame, a top air knife body is fixedly connected to the end of the upper supporting frame, a screw is in threaded connection with the interior of the top air knife body, a top air outlet is formed in the end of the top air knife body, and a top air outlet is formed in the top of the top air knife body. A partition plate is fixedly connected to the bottom of the top air knife body, an upper air inlet pipe is fixedly connected to the side of the top air knife body, a bottom air knife body is fixedly connected to the bottom of the partition plate, a bottom air inlet pipe is fixedly connected to the side of the bottom air knife body, and a bottom air outlet is formed in the end of the bottom air knife body. Due to the improvement of the stability, the reflecting groove can work normally in various environments, the problems of deformation or damage and the like caused by external factors are avoided, and a series of positive effects of reducing the cost, improving the product quality and enriching the reflecting effect are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic welding band air knife technical field, concretely relates to a photovoltaic welding band air knife. BACKGROUND

[0002] It utilizes high -speed airflow to photovoltaic welding band and handles. Through the airflow of compressed air and so on gas source, from the specific export of air knife even, stable speed sprays. When photovoltaic welding band passes through the air knife function area, airflow can blow away the impurity, dust and so on small particle on the welding band, can also cool the welding band surface to a certain extent, ensure the quality in the subsequent processing and use process of welding band.

[0003] In Chinese patent CN201821126541.9, the utility model discloses a kind of air knives for photovoltaic welding band, including outer plate, inner core, inner plate, gas pipe and adjusting device, outer plate and inner plate are respectively arranged at the both sides of inner core, form gas cavity, the edge of gas cavity has air outlet, gas pipe is connected into gas cavity, adjusting device is arranged on gas pipe, adjusting gas pipe imports gas into gas cavity speed.This utility model design is ingenious, simple structure, through the simple mutual cooperation of screw and gas pipe, the adjustment of air volume is realized;Outer plate and inner plate are fixed between by gas pipe, improve the stability between outer plate and inner plate;H type inner core cooperates adjusting screw, cleverly uses lever principle, the adjustment of air outlet is realized.

[0004] The main control method in the existing industry is to increase the air volume of the air knife and shorten the distance between the wire reflective surface and the air knife to control, and the air pressure requirement is high, and the wind pressure is unstable at high pressure.

[0005] Therefore, a photovoltaic welding band air knife is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] To make up for the deficiencies of the prior art, the main control method in the existing industry is to increase the air volume of the air knife and shorten the distance between the wire reflective surface and the air knife to control, and the air pressure requirement is high, and the wind pressure is unstable at high pressure.

[0007] The utility model discloses a photovoltaic welding band air knife, including upper support frame, the end of upper support frame is fixedly connected with top air knife main part, and the inside screw thread of top air knife main part is connected with screw, the end of top air knife main part is equipped with top air outlet, and top air knife main part bottom is fixedly connected with baffle, and the side of top air knife main part is fixedly connected with upper air inlet pipe, the bottom of baffle is fixedly connected with bottom air knife main part, and the side of bottom air knife main part is fixedly connected with bottom air inlet pipe, and the end of bottom air knife main part is equipped with bottom air outlet.

[0008] Preferably, the upper support frame is integrally arranged with the top air knife body, and the top air knife body and the upper air inlet pipe form a communication structure.

[0009] Preferably, the top air knife body is hollow inside, and the inner cavity of the top air knife body communicates with the outer cavity of the top air knife body through the top air outlet.

[0010] Preferably, the top air knife body is threadedly detachably arranged with the partition plate through screws, and the screws are equidistantly arranged about the outer wall of the top air knife body.

[0011] Preferably, the bottom air knife body is integrally arranged with the bottom support frame, and the bottom air knife body and the bottom air inlet pipe form a communication structure.

[0012] Preferably, the bottom air knife body is hollow inside, and the inner cavity of the bottom air knife body communicates with the outer cavity of the bottom air knife body through the bottom air outlet.

[0013] Preferably, the bottom air knife body is threadedly detachably arranged with the partition plate through screws, and the screws are equidistantly arranged about the outer wall of the bottom air knife body.

[0014] The utility model discloses the beneficial effect lies in:

[0015] 1. The utility model discloses a top air knife body and bottom air knife body are integrally arranged with upper support frame and bottom support frame, and the integrated structure makes the air knife more stable during working, reduces the error caused by the loose connection or shaking between parts, can effectively guarantee the stability and accuracy of the air knife to photovoltaic welding strip processing, prolongs the service life of equipment, and the top air knife body and the upper air inlet pipe form a communication structure, and the top air knife body is hollow inside, and the inner cavity communicates with the outer cavity through the top air outlet; the bottom air knife body and the bottom air inlet pipe form a communication structure, and the inside is also hollow, and the inner cavity communicates with the outer cavity through the bottom air outlet, and this design is favorable for the even and stable air flow into and out of the air knife body, makes the air flow pressure and speed that blows out from the top air outlet and bottom air outlet more stable, can more efficiently remove the impurities on the surface of photovoltaic welding strip, improves the cleaning and processing effect to the welding strip, and the air knife includes top air knife body and bottom air knife body, and processes photovoltaic welding strip from two directions of up and down respectively, and this double air knife design can more comprehensively cover the surface of welding strip, compared with single air knife design, can more thoroughly remove the impurities on each surface of welding strip, and when cooling welding strip and the like, can also be more uniform, effectively improves the quality and performance of photovoltaic welding strip, and helps to improve the overall quality of photovoltaic products. BRIEF DESCRIPTION OF DRAWINGS

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of the entire utility model from the front view;

[0018] Figure 2 This is a three-dimensional structural diagram of the present invention from a top view.

[0019] Figure 3 This is a schematic diagram of the overall frontal view of the opened structure of this utility model;

[0020] Figure 4 This is a cross-sectional view of the overall front view of this utility model.

[0021] In the diagram: 1. Upper support frame; 2. Top air knife body; 3. Upper air inlet pipe; 4. Bottom air knife body; 5. Bottom air inlet pipe; 6. Partition plate; 7. Bottom air outlet; 8. Top air outlet; 9. Screw; 10. Bottom support frame. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] Example 1

[0024] like Figure 1 The photovoltaic welding strip air knife shown includes an upper support frame 1, a top air knife body 2, an upper air inlet pipe 3, a bottom air knife body 4, a bottom air inlet pipe 5, a partition 6, a bottom air outlet 7, a top air outlet 8, screws 9, and a bottom support frame 10.

[0025] Please see Figures 1 to 4The utility model provides a photovoltaic welding band air knife, including upper support frame 1, the end fixedly connected with top air knife main part 2 of upper support frame 1, and the inside screw connection of top air knife main part 2 has screw 9, and the end of top air knife main part 2 is equipped with top air outlet 8, and top air knife main part 2 bottom fixedly connected with baffle 6, and the side fixedly connected with upper air inlet pipe 3 of top air knife main part 2, and the bottom fixedly connected with bottom air knife main part 4 of baffle 6, and the side fixedly connected with bottom air inlet pipe 5 of bottom air knife main part 4, and the end of bottom air knife main part 4 is equipped with bottom air outlet 7, upper support frame 1 and top air knife main part 2 are integrative settings, and top air knife main part 2 and upper air inlet pipe 3 constitute the structure of intercommunication, the inside hollow setting of top air knife main part 2, and the inside cavity of top air knife main part 2 is communicated with the outside cavity of top air knife main part 2 through top air outlet 8, top air knife main part 2 is communicated with baffle 6 through screw 9 and constitutes the structure of thread detachable, and screw 9 is about the equidistant arrangement of the outer wall of top air knife main part 2, the utility model discloses a control method has the vital goal, on the one hand, it is dedicated to reducing the requirement to wind pressure, this means that in the relevant production or operating link, can use the wind pressure supply equipment of smaller power, lower cost, to save the cost in equipment procurement and energy consumption etc., on the other hand, reduce the thickness in the light reflecting groove, not only can reduce the usage amount of material, reduce cost, also can lighten the weight of entire structure to some extent, simultaneously, improve the stability of light reflecting groove, this for the safeguard product long-term stablely play performance has the key role, through realizing these goals, finally can reduce the cost, improve product quality, and make the light reflecting effect more rich, for product in the market wins greater competitive advantage, bottom air knife main part 4 and bottom support frame 10 are integrative settings, and bottom air knife main part 4 and bottom air inlet pipe 5 constitute the structure of intercommunication, the inside hollow setting of bottom air knife main part 4, and the inside cavity of bottom air knife main part 4 is communicated with the outside cavity of bottom air knife main part 4 through bottom air outlet 7, bottom air knife main part 4 is communicated with baffle 6 through screw 9 and constitutes the structure of thread detachable, and screw 9 is about the equidistant arrangement of the outer wall of bottom air knife main part 4, this unique control method is through careful design, and there is the close relation between reducing wind pressure requirement and reducing the thickness in the light reflecting groove and improving stability, when wind pressure requirement reduces, and the equipment and operating conditions related to it can be optimized, this creates favorable conditions for adjusting the thickness in the light reflecting groove, and the reasonable reduction of the thickness in the light reflecting groove, under the premise of not affecting its function, further reduces the consumption of resources and cost, simultaneously, the improvement of stability ensures that the light reflecting groove can work normally under various environments, and will not appear deformation or damage etc. problem because of external factors, these comprehensively, make the cost reduction, product quality promotion and light reflecting effect more rich this series of positive effects such as realization, top air knife main part 2 is communicated with baffle 6 through screw 9 and constitutes the structure of thread detachable, and screw 9 equidistant arrangement, bottom air knife main part 4 also constitutes the same structure with baffle 6 through screw 9.When some part of the air knife fails, such as blockage or damage inside the top air knife body 2 or the bottom air knife body 4, it can be easily separated for repair or replacement by disassembling the screw 9 without affecting the normal structure and function of other parts, greatly reducing the maintenance cost and difficulty, and improving the maintainability of the equipment.

[0026] Working principle: first, the top air knife body 2 and the bottom air knife body 4 are fixed through the upper support frame 1 and the bottom support frame 10 respectively, then the upper air inlet pipe 3 and the bottom air inlet pipe 5 are connected with the external air pipe respectively, when tinning, the air knife distance from the liquid surface height is controlled at 2cm-3cm, the air knife angle is controlled at 40°-60°, the reflective surface distance from the air knife is between 3mm-5mm, then the compressed air enters into the top air knife body 2 and the bottom air knife body 4 through the upper air inlet pipe 3 and the bottom air inlet pipe 5, then is sprayed through the top air outlet 8 and the bottom air outlet 7 respectively, the top air knife body 2 and the bottom air knife body 4 process the photovoltaic solder strip from the upper and lower two directions respectively. The airflow blown by the top air outlet 8 and the airflow blown by the bottom air outlet 7 jointly act, clean the impurities on the photovoltaic solder strip in all directions, and cool the solder strip, improve the quality and performance of the solder strip, and meet the requirements of photovoltaic production process.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model. These changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A photovoltaic ribbon air knife characterized by: The application relates to a top air knife body (2) fixedly connected with an upper support frame (1), a screw (9) screwed in the top air knife body (2), a top air outlet (8) arranged at the end of the top air knife body (2), a partition plate (6) fixedly connected with the bottom of the top air knife body (2), an upper air inlet pipe (3) fixedly connected with the side of the top air knife body (2), a bottom air knife body (4) fixedly connected with the bottom of the partition plate (6), a bottom air inlet pipe (5) fixedly connected with the side of the bottom air knife body (4), and a bottom air outlet (7) arranged at the end of the bottom air knife body (4).

2. The photovoltaic ribbon air knife of claim 1, wherein: The upper support frame (1) is integrally arranged with the top air knife body (2), and the top air knife body (2) is in communication with the upper air inlet pipe (3).

3. The photovoltaic ribbon air knife of claim 1, wherein: The top air knife body (2) is hollow, and the inner cavity of the top air knife body (2) is in communication with the outer cavity of the top air knife body (2) through the top air outlet (8).

4. The photovoltaic ribbon air knife of claim 1, wherein: The top air knife body (2) is detachably connected with the partition plate (6) through the screw (9), and the screw (9) is equidistantly arranged on the outer wall of the top air knife body (2).

5. The photovoltaic ribbon air knife of claim 1, wherein: The bottom air knife body (4) is integrally arranged with the bottom support frame (10), and the bottom air knife body (4) is in communication with the bottom air inlet pipe (5).

6. The photovoltaic ribbon air knife of claim 1, wherein: The bottom air knife body (4) is hollow, and the inner cavity of the bottom air knife body (4) is in communication with the outer cavity of the bottom air knife body (4) through the bottom air outlet (7).

7. The photovoltaic ribbon air knife of claim 1, wherein: The bottom air knife body (4) is detachably connected with the partition plate (6) through the screw (9), and the screw (9) is equidistantly arranged on the outer wall of the bottom air knife body (4).

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