Accurate temperature control photovoltaic glass annealing kiln
By setting up cavities and electric heating plates inside the annealing furnace, and using a servo motor to drive a special-shaped gear to rotate the electric heating plates, the problem of inaccurate temperature control of photovoltaic glass at the inlet of the annealing furnace was solved, and the precise temperature control and heat preservation effect were improved.
Patent Information
- Application Number
- CN202520182520.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-06
AI Technical Summary
In existing technologies, photovoltaic glass is at room temperature before entering the annealing furnace, which causes a large amount of heat to be absorbed at the entrance of the annealing furnace, resulting in the problem of uncontrollable temperature in local areas.
The process involves setting up a cavity and an electric heating plate inside the annealing furnace. A servo motor drives a special-shaped gear to rotate the electric heating plate, so that the side with a higher temperature heats the photovoltaic glass. The design of the notch reduces the amount of air exchange to maintain the constant temperature of the electric heating plate.
It achieves precise temperature control at the inlet of the annealing furnace, improving annealing quality and speed, and enhancing heat preservation effect.
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Figure CN223805019U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to glass annealing lehr technical field especially relates to a kind of precision temperature control photovoltaic glass annealing lehr. BACKGROUND
[0002] Photovoltaic glass exists thermal stress in the interior after forming. Annealing lehr makes the atom inside glass can be rearranged under proper temperature condition by accurately controlling temperature change process.
[0003] As the disclosure No. CN215327722U discloses a kind of glass annealing lehr, including furnace body and installation on furnace body heating bin, first cooling bin and second cooling bin, the top wall of heating bin inner cavity is fixedly installed with hot air blower, the top wall of first cooling bin inner cavity is fixedly installed with heat dissipation component, the top wall of second cooling bin inner cavity is fixedly installed with cold air blower, the right side of furnace body is fixedly installed with the conveying platform that one end penetrates and extends to its left side, heating bin and the left and right side walls between second cooling bin inner cavity are all fixedly installed with displacement component, one end of displacement component is communicated with the bottom of hot air blower and cold air blower respectively, the left and right sides of furnace body are all fixedly installed with driving component.
[0004] But in prior art, photovoltaic glass is room temperature state before entering annealing lehr, after entering annealing lehr, need to be annealed, at this time, heat in annealing lehr will be absorbed, therefore, heat will be absorbed by photovoltaic glass in large quantities at the entrance of annealing lehr, local area temperature cannot be controlled, and the situation that the temperature of the region is lower will exist all the time with the continuous conveying of glass. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the problem of prior art that heat is absorbed by photovoltaic glass in large quantities at the entrance of annealing lehr, and proposes a kind of precision temperature control photovoltaic glass annealing lehr.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of precision temperature control photovoltaic glass annealing lehr, including annealing lehr body, the inside of annealing lehr body is provided with cavity, the inside of cavity is rotatably installed with electric heating plate, the bottom of annealing lehr body is fixedly installed with support plate, the top of support plate is electric heating plate, the one end of electric heating plate is fixedly connected with driven gear, the side of driven gear is engaged with profile gear.
[0007] Preferably, one end of the annealing lehr body is fixedly installed with mounting connecting plate, one side of the mounting connecting plate is fixedly installed with servo motor.
[0008] Preferably, the output end of the servo motor is fixedly connected with shaft coupling, the other end of the shaft coupling is fixedly connected with profile gear.
[0009] Preferably, a notch is formed at the edge of the driven gear, and the edge of the profile gear is overlapped inside the notch.
[0010] Preferably, a mark rod is fixedly installed on one side of the driven gear, and the mark rod is located outside the annealing furnace body.
[0011] Preferably, a convex rod is fixedly installed on one side of the profile gear.
[0012] Preferably, baffles are fixedly installed on the inner walls of the cavity, and the electric heating plate is located between the two baffles.
[0013] Compared with the prior art, the utility model has the advantages and positive effects that:
[0014] 1、In the utility model, a cavity is formed in the inside of the annealing furnace body to preserve one side of the electric heating plate, when in use, the heat of one side of the electric heating plate is absorbed, and the other side with higher temperature is turned over to use, so that the temperature at the entrance of the annealing furnace body is accurately controlled in the standard range, thereby guaranteeing the quality and speed of annealing.
[0015] 2、In the utility model, two notches are arranged at the edge of the driven gear, the smooth edge of the profile gear enters the notch, in the subsequent rotating process, the profile gear does not push the driven gear, so that the electric heating plate is kept in a horizontal state, the baffles can reduce the exchange amount of air on both sides, and the heat preservation effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic diagram of the precise temperature control photovoltaic glass annealing furnace is provided for the utility model;
[0017] Figure 2 An internal structure schematic diagram of the precise temperature control photovoltaic glass annealing furnace is provided for the utility model;
[0018] Figure 3 A three-dimensional structure schematic diagram of the servo motor and the electric heating plate of the precise temperature control photovoltaic glass annealing furnace is provided for the utility model;
[0019] Figure 4 A driven gear and profile gear structure schematic diagram of the precise temperature control photovoltaic glass annealing furnace is provided for the utility model.
[0020] Legend: 1, annealing furnace body; 2, mounting connecting plate; 3, servo motor; 4, supporting plate; 5, cavity; 6, shaft coupling; 7, electric heating plate; 8, baffle; 9, driven gear; 10, mark rod; 11, profile gear; 12, notch; 13, convex rod. DETAILED DESCRIPTION
[0021] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described below in conjunction with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be practiced in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.
[0023] Embodiment one: as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides a kind of precision temperature control photovoltaic glass annealing furnace, including annealing furnace body 1, the inside of annealing furnace body 1 is provided with cavity 5, electric heating plate 7 is rotatably installed in the inside of cavity 5, the bottom of annealing furnace body 1 is fixedly installed with support plate 4, electric heating plate 7 is located at the top of support plate 4, one end of electric heating plate 7 is fixedly connected with driven gear 9, one side of driven gear 9 is engagedly connected with profile gear 11, one end of annealing furnace body 1 is fixedly installed with installation connecting plate 2, one side of installation connecting plate 2 is fixedly installed with servo motor 3, the output end of servo motor 3 is fixedly connected with shaft coupling 6, the other end of shaft coupling 6 is fixedly connected with profile gear 11.
[0024] The specific settings and effects of the embodiment will be described below, support plate 4 at the bottom of annealing furnace body 1 is used to support the whole device, when using, annealing furnace body 1 is deployed on the conveying belt, support plate 4 is at both sides of the conveying belt, electric heating plate 7 is used to let glass products be in controllable temperature change process, internal stress is released and adjusted, so as to improve the strength and stability of glass;
[0025] Cavity 5 is provided in the inside of annealing furnace body 1, electric heating plate 7 is arranged at the boundary between support plate 4 and annealing furnace body 1, when using, only single side of electric heating plate 7 is against the lower side, when annealing processing is carried out, only the side of electric heating plate 7 at the lower side will transmit heat to glass, and the heat generated by the side at the upper side will be gathered in the inside of cavity 5, so that the side of electric heating plate 7 is kept in constant temperature state;
[0026] Whenever a new photovoltaic glass enters the inside of the annealing furnace body 1, the special-shaped gear 11 is driven by the servo motor 3 through the shaft coupling 6, the driven gear 9 is pushed by the special-shaped gear 11, the purpose of overturning the electric heating plate 7 is achieved, the side with higher temperature heats the photovoltaic glass, and therefore the temperature at the entrance of the annealing furnace body 1 is accurately controlled within the processing requirements.
[0027] As shown in the embodiments two, the edge of the driven gear 9 is provided with a notch 12, the edge of the special-shaped gear 11 is overlapped inside the notch 12, the driven gear 9 is fixedly installed with an identification rod 10 on one side, the identification rod 10 is located outside the annealing furnace body 1, the special-shaped gear 11 is fixedly installed with a convex rod 13 on one side, the inner wall of the cavity 5 is fixedly installed with a baffle 8, and the electric heating plate 7 is located between the two baffles 8. Figure 3 Figure 4 The effect achieved by the whole embodiment is that the notch 12 is used for connecting the smooth edge of the special-shaped gear 11, in the process of rotating the special-shaped gear 11, after the convex teeth are engaged with the driven gear 9, the special-shaped gear 11 will push the driven gear 9, the purpose of overturning the electric heating plate 7 is achieved, in the process of rotating the driven gear 9, the convex rod 13 will push the identification rod 10 together.
[0028] The overturning state of the electric heating plate 7 can be checked by checking the identification rod 10, after the convex teeth of the special-shaped gear 11 are separated from the driven gear 9, the smooth edge of the special-shaped gear 11 will enter the notch 12, in the subsequent rotating process, the special-shaped gear 11 will not push the driven gear 9, so that the electric heating plate 7 remains in a horizontal state, and the baffle 8 can reduce the exchange amount of air on both sides and improve the heat preservation effect.
[0029] The working principle and the use method of the device are as follows: in use, the annealing furnace body 1 is arranged on the conveying belt, the supporting plate 4 is arranged on both sides of the conveying belt, the photovoltaic glass enters the lower part of the annealing furnace body 1, the glass product is in a controllable temperature change process by the electric heating plate 7, and the internal stress of the photovoltaic glass is released and adjusted.
[0030] The electric heating plate 7 is located at the boundary between the supporting plate 4 and the annealing furnace body 1, in use, only one side of the electric heating plate 7 faces downward in the annealing process, and the heat generated by the side upward is gathered in the cavity 5, so that the side of the electric heating plate 7 remains in a constant temperature state.
[0031] The working principle and the use method of the device are as follows: in use, the annealing furnace body 1 is arranged on the conveying belt, the supporting plate 4 is arranged on both sides of the conveying belt, the photovoltaic glass enters the lower part of the annealing furnace body 1, the glass product is in a controllable temperature change process by the electric heating plate 7, and the internal stress of the photovoltaic glass is released and adjusted.
[0032] Whenever a new photovoltaic glass enters the inside of the annealing furnace body 1, the special-shaped gear 11 is driven by the servo motor 3 through the shaft coupling 6, the protruding teeth on the special-shaped gear 11 push the driven gear 9, the purpose of turning over the electric heating plate 7 is achieved, the purpose of turning over the electric heating plate 7 is achieved, the side with higher temperature heats the photovoltaic glass, so that the temperature at the entrance of the annealing furnace body 1 is accurately controlled within the processing requirements, after the protruding teeth of the special-shaped gear 11 are separated from the driven gear 9, the smooth edge of the special-shaped gear 11 will enter the gap 12, in the subsequent rotating process, the special-shaped gear 11 will not push the driven gear 9, so that the electric heating plate 7 remains in a horizontal state.
[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments made in accordance with the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.
Claims
1. A precision temperature-controlled photovoltaic glass annealing lehr, comprising an annealing lehr body (1), characterized in that: The inside of the annealing kiln kiln body (1) is provided with a cavity (5), the inside of the cavity (5) is rotatably provided with an electric heating plate (7), the bottom of the annealing kiln kiln body (1) is fixedly provided with a supporting plate (4), the electric heating plate (7) is located on the top of the supporting plate (4), one end of the electric heating plate (7) is fixedly connected with a driven gear (9), one side of the driven gear (9) is meshingly connected with a profile gear (11).
2. The precision temperature-controlled photovoltaic glass annealing lehr of claim 1, wherein: One end of the annealing kiln kiln body (1) is fixedly provided with a mounting connecting plate (2), one side of the mounting connecting plate (2) is fixedly provided with a servo motor (3).
3. The precision temperature-controlled photovoltaic glass annealing lehr of claim 2, wherein: The output end of the servo motor (3) is fixedly connected with a shaft coupling (6), and the other end of the shaft coupling (6) is fixedly connected with the profile gear (11).
4. The precision temperature-controlled photovoltaic glass annealing lehr of claim 1, wherein: The edge of the driven gear (9) is provided with a notch (12), and the edge of the profile gear (11) is overlapped in the notch (12).
5. The precision temperature-controlled photovoltaic glass annealing lehr of claim 1, wherein: One side of the driven gear (9) is fixedly provided with an identification rod (10), and the identification rod (10) is located outside the annealing kiln kiln body (1).
6. The precision temperature-controlled photovoltaic glass annealing lehr of claim 1, wherein: One side of the profile gear (11) is fixedly provided with a convex rod (13).
7. The precision temperature-controlled photovoltaic glass annealing lehr of claim 1, wherein: The inner wall of the cavity (5) is fixedly provided with a baffle (8), and the electric heating plate (7) is located between the two baffles (8).
Citation Information
Patent Citations
Glass annealing kiln
CN215327722U