Precise temperature control photovoltaic glass tempering furnace

The design of stepped cooling chambers and sealed isolation components solves the problem of defects on the surface of photovoltaic glass caused by direct contact of low-temperature cold air with high-temperature glass, achieves efficient and precise temperature control cooling effects, and improves the transmittance and quality of photovoltaic glass.

CN223458242UActive Publication Date: 2025-10-21GUOHUA JINTAI (SHANDONG) NEW MATERIALS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422940554.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-10-21
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

Direct contact between low-temperature cold air and high-temperature glass causes tiny flaws or deformations on the surface of photovoltaic glass, affecting light transmittance.

Method used

It adopts a stepped cooling chamber design and sealed isolation components, controls the flow of cold air through stepped gradient cooling and sealing strips, ensures that the surface of the photovoltaic glass is flat and flawless, and achieves efficient cooling.

Benefits of technology

It achieves efficient cooling of the photovoltaic glass surface without defects, accurately controls the cooling temperature, and improves the light transmittance and quality of the glass.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a precise temperature control photovoltaic glass tempering furnace, which relates to the technical field of photovoltaic glass, and comprises a conveyor belt, a tempering furnace main body is arranged in the middle of the conveyor belt, the tempering furnace main body comprises a heating chamber, a transition chamber and a cooling chamber, a plurality of cooling partition plates are uniformly and fixedly arranged in the cooling chamber, and the cooling partition plates are arranged in the transition chamber. And the inner bin of the cooling chamber is divided into a plurality of stepped cooling bins by the multiple cooling partition plates, cold air blowing machines are fixedly installed in the multiple stepped cooling bins correspondingly, and one side of each cold air blowing machine fixedly communicates with a cold air pipeline. According to the utility model, the photovoltaic glass is cooled gradually in a stepped manner under the matching action of the three stepped cooling bins, so that the surface of the photovoltaic glass is smooth and flawless, the cooling time of each stepped cooling bin does not exceed two minutes, and the purpose of efficient cooling is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic glass technical field especially relates to a precision temperature control photovoltaic glass toughening furnace. BACKGROUND

[0002] The photovoltaic glass toughening furnace is a professional equipment for the deep processing of photovoltaic glass, which forms compressive stress on the surface of the glass and tensile stress inside the glass by physical or chemical methods, thereby improving the strength and thermal shock resistance of the glass and enabling it to withstand various external forces and environmental changes during the installation and use of photovoltaic modules.

[0003] For example, the photovoltaic glass production toughening furnace disclosed in Chinese Patent Publication No. CN220618754U includes a conveyor belt, a cleaning box, a toughening furnace, and a cooling chamber arranged in sequence on the conveyor belt. The cleaning box is connected to an air extraction pipe, the end of the air extraction pipe is connected to a dust collector, the outlet of the dust collector is connected to an exhaust pipe, the end of the exhaust pipe is connected to a fan, and the fan is provided with an exhaust chimney.

[0004] When the cooling chamber cools and controls the temperature of the photovoltaic glass plate, cold air is directly introduced into one side of the photovoltaic glass plate to cool it down. However, direct contact between low-temperature cold air and high-temperature glass can cause the surface of the photovoltaic glass to produce tiny flaws or deformations, thereby affecting the light transmittance of the photovoltaic glass. SUMMARY

[0005] The utility model aims at solving the problem of the prior art that direct contact between low-temperature cold air and high-temperature glass can cause the surface of the photovoltaic glass to produce tiny flaws or deformations, thereby affecting the light transmittance of the photovoltaic glass, and proposes a precision temperature control photovoltaic glass toughening furnace.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a precision temperature control photovoltaic glass toughening furnace, including a conveyor belt, a steel furnace main body is arranged in the middle of the conveyor belt, the steel furnace main body includes a heating chamber, a transition chamber and a cooling chamber, a plurality of cooling partitions are uniformly fixed and installed inside the cooling chamber, the inner compartment of the cooling chamber is divided into a plurality of stepped cooling compartments by the plurality of cooling partitions, a cold air blower is fixedly installed in each of the plurality of stepped cooling compartments, and a cold air duct is fixedly connected to one side of the cold air blower.

[0007] Preferably, the inner walls of the plurality of stepped cooling compartments are symmetrically provided with sealing and isolating components.

[0008] Preferably, the sealing and isolating component includes an isolating plate and a driving cylinder, the driving end of the driving cylinder is fixedly connected to the center of one side of the isolating plate, and the driving cylinder is fixedly installed on one side of the isolating plate.

[0009] Preferably, one end of the isolation plate is provided with a mounting groove, and a sealing rubber strip is fixedly bonded in the mounting groove.

[0010] Preferably, the two ends of the isolation plate are respectively provided with guide assemblies.

[0011] Preferably, the guide assembly comprises a guide rod and a guide bin, one end of the guide rod is fixedly connected to one end of the isolation plate, and the other end of the guide rod is movably connected to the inside of the guide bin.

[0012] Preferably, the guide bin is fixedly installed on one side of the cooling partition plate.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、In the utility model, the photovoltaic glass is gradually cooled in steps through the cooperation of the three stepped cooling bins, the surface of the photovoltaic glass is ensured to be flat and flawless, the cooling time of each stepped cooling bin is not more than two minutes, and the purpose of efficient cooling is achieved.

[0015] 2、In the utility model, the driving cylinder in the sealing isolation assembly drives the isolation plate to move downwards, so that the sealing rubber strip at one end of the isolation plate is in contact with and pressed on one side of the conveying belt, thereby sealing the feed inlet on the two sides of the lower end of the stepped cooling bin, so that after the cold air cools and cools the photovoltaic glass, the cold air can only flow out from the air exchange port on one side of the cooling chamber, avoiding the cold air from other outlets to affect the cooling efficiency, and realizing efficient cooling while precisely controlling the cooling temperature. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the precise temperature control photovoltaic glass tempering furnace is provided for the utility model;

[0017] Figure 2 An internal structure schematic diagram of the cooling chamber in the precise temperature control photovoltaic glass tempering furnace is provided for the utility model;

[0018] Figure 3 A three-dimensional structure schematic diagram of the sealing isolation assembly in the precise temperature control photovoltaic glass tempering furnace is provided for the utility model;

[0019] Figure 4 A connection relationship schematic diagram between the sealing rubber strip and the isolation plate in the precise temperature control photovoltaic glass tempering furnace is provided for the utility model.

[0020] Legend: 1. Conveyor belt; 2. Tempering furnace body; 21. Heating chamber; 22. Transition chamber; 23. Cooling chamber; 24. Cooling partition; 25. Stepped cooling bin; 251. Cold air blower; 252. Cold air duct; 3. Sealing isolation assembly; 31. Isolation plate; 311. Mounting groove; 312. Sealing strip; 32. Driving cylinder; 33. Guide assembly; 331. Guide rod; 332. Guide bin. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: Figure 1 - Figure 3 As shown, the utility model provides a precise temperature-controlled photovoltaic glass tempering furnace, including a conveyor belt 1, a tempering furnace body 2 is arranged in the middle of the conveyor belt 1, the tempering furnace body 2 includes a heating chamber 21, a transition chamber 22 and a cooling chamber 23, and a plurality of cooling baffles 24 are evenly fixedly installed inside the cooling chamber 23. The plurality of cooling baffles 24 divide the inner compartment of the cooling chamber 23 into a plurality of stepped cooling compartments 25, and a cold air blower 251 is fixedly installed inside the plurality of stepped cooling compartments 25, and a cold air duct 252 is fixedly connected to one side of the cold air blower 251.

[0024] The following is a detailed description of the specific settings and functions of this embodiment. The heating chamber 21 heats the heated photovoltaic glass to raise its temperature to near the softening point. The photovoltaic glass is then transported by the conveyor belt 1, passes through the transition chamber 22 and enters the interior of the cooling chamber 23. The photovoltaic glass first enters the first-level stepped cooling bin 25 in the cooling chamber 23. The cold air blower 251 in the stepped cooling bin 25 here will blow cold air with a slightly higher temperature and a slower flow rate to cool the photovoltaic glass. The glass then enters the second-level stepped cooling bin 25, which will blow cold air with a low temperature and a fast flow rate. Finally, the glass enters the third-level stepped cooling bin 25, which will blow cold air with a lower temperature and a faster flow rate to complete the stepped gradual cooling of the photovoltaic glass, ensuring that the surface of the photovoltaic glass is smooth and flawless, and the cooling time of each stepped cooling bin 25 does not exceed two minutes, thereby achieving the purpose of efficient cooling.

[0025] Example 2: Figure 1 -Figure 4 As shown, a precise temperature control photovoltaic glass tempering furnace, comprising a conveying belt 1, the middle part of the conveying belt 1 is provided with a tempering furnace body 2, the tempering furnace body 2 comprises a heating chamber 21, a transition chamber 22 and a cooling chamber 23, the inside of the cooling chamber 23 is uniformly fixedly installed with a plurality of cooling partitions 24, the plurality of cooling partitions 24 divide the inner compartment of the cooling chamber 23 into a plurality of stepped cooling compartments 25, the inside of the plurality of stepped cooling compartments 25 is respectively fixedly installed with a cold air blower 251, one side of the cold air blower 251 is fixedly communicated with a cold air pipeline 252, the inner wall of the plurality of stepped cooling compartments 25 is symmetrically provided with a sealing isolation assembly 3, the sealing isolation assembly 3 comprises an isolation plate 31 and a driving cylinder 32, the driving end of the driving cylinder 32 is fixedly connected at the center of one side of the isolation plate 31, one side of the driving cylinder 32 is fixedly installed on one side of the isolation plate 31, one end of the isolation plate 31 is provided with a mounting groove 311, the inside of the mounting groove 311 is fixedly bonded with a sealing rubber strip 312, both ends of the isolation plate 31 are respectively provided with a guide assembly 33, the guide assembly 33 comprises a guide rod 331 and a guide compartment 332, one end of the guide rod 331 is fixedly connected at one end of the isolation plate 31, the other end of the guide rod 331 is movably connected in the inside of the guide compartment 332, the guide compartment 332 is fixedly installed on one side of the cooling partition 24.

[0026] The effect of the whole embodiment is that before the photovoltaic glass is cooled in the inside of the single stepped cooling compartment 25, the driving cylinder 32 of the sealing isolation assembly 3 drives the isolation plate 31 to move downward, so that the sealing rubber strip 312 at one end of the isolation plate 31 contacts and extrudes on one side of the conveying belt 1, thereby sealing the feeding port at both sides of the lower end of the stepped cooling compartment 25, so that after the cold air cools and cools the photovoltaic glass, it can only flow out from the air outlet on one side of the cooling chamber 23, avoiding the cold air from other outlets to affect the cooling efficiency, while realizing efficient cooling, the temperature can also be precisely controlled.

[0027] The use method and working principle of the device: the heating chamber 21 heats the photovoltaic glass, so that its temperature rises to near the softening point, then the photovoltaic glass is conveyed by the conveying belt 1, passes through the transition chamber 22 and enters the inside of the cooling chamber 23, the photovoltaic glass first enters the first stepped cooling compartment 25 in the cooling chamber 23, the driving cylinder 32 of the sealing isolation assembly 3 drives the isolation plate 31 to move downward, so that the sealing rubber strip 312 at one end of the isolation plate 31 contacts and extrudes on one side of the conveying belt 1, thereby sealing the feeding port at both sides of the lower end of the stepped cooling compartment 25, the cold air blower 251 in the stepped cooling compartment 25 at this place blows cold air with slightly higher temperature and slower flow rate to cool the photovoltaic glass, then enters the second stepped cooling compartment 25, the stepped cooling compartment 25 blows cold air with low temperature and fast flow rate, finally enters the third stepped cooling compartment 25, the stepped cooling compartment 25 blows cold air with lower temperature and faster flow rate, and the step-by-step gradient cooling of the glass is completed.

[0028] The above merely is the 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 in other fields, but any simple modification, equivalent change and alteration of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A precision temperature-controlled photovoltaic glass toughening furnace, comprising a conveying belt (1), the middle part of the conveying belt (1) is provided with a toughening furnace body (2), characterized in that: The toughening furnace body (2) comprises a heating chamber (21), a transition chamber (22) and a cooling chamber (23), the inside of the cooling chamber (23) is uniformly and fixedly provided with a plurality of cooling partitions (24), the plurality of cooling partitions (24) divide the inner compartment of the cooling chamber (23) into a plurality of stepped cooling compartments (25), the inside of each of the plurality of stepped cooling compartments (25) is fixedly provided with a cold air blowing machine (251), and one side of the cold air blowing machine (251) is fixedly communicated with a cold air pipeline (252).

2. The precision temperature-controlled photovoltaic glass tempering furnace according to claim 1, characterized in that: The inner wall of each of the plurality of stepped cooling compartments (25) is symmetrically provided with a sealing isolation assembly (3).

3. The precision temperature-controlled photovoltaic glass tempering furnace according to claim 2, characterized in that: The sealing isolation assembly (3) comprises an isolation plate (31) and a driving air cylinder (32), the driving end of the driving air cylinder (32) is fixedly connected to the center of one side of the isolation plate (31), and one side of the driving air cylinder (32) is fixedly installed on one side of the isolation plate (31).

4. The precision temperature-controlled photovoltaic glass tempering furnace according to claim 3, characterized in that: One end of the isolation plate (31) is provided with a mounting groove (311), and the inside of the mounting groove (311) is fixedly bonded with a sealing rubber strip (312).

5. The precision temperature-controlled photovoltaic glass tempering furnace according to claim 3, characterized in that: Both ends of the isolation plate (31) are respectively provided with a guide assembly (33).

6. The precision temperature-controlled photovoltaic glass tempering furnace according to claim 5, characterized in that: The guide assembly (33) comprises a guide rod (331) and a guide compartment (332), one end of the guide rod (331) is fixedly connected to one end of the isolation plate (31), and the other end of the guide rod (331) is movably connected to the inside of the guide compartment (332).

7. The precision temperature-controlled photovoltaic glass tempering furnace according to claim 6, characterized in that: The guide compartment (332) is fixedly installed on one side of the cooling partition (24).

Citation Information

Patent Citations

  • Toughening furnace for photovoltaic glass production

    CN220618754U