Air distribution device and tempering furnace

Abstract

The present invention proposes an air distribution device and a tempering furnace, the air distribution device is used to cool glass, and the air distribution device includes a shell and a control component. The shell defines a cavity, and the shell has a first opening and a second opening connected to the cavity, the first opening is used to guide the airflow in the cavity to a first position, and the second opening is used to guide the airflow in the cavity to a second position, along the conveying path of the glass, the first position is located upstream of the second position; the control component is configured to control the outflow area of ​​the second opening, so that the air pressure of the airflow derived from the first opening is greater than the air pressure of the airflow derived from the second opening. The air distribution device of the present invention can increase the wind pressure of the front-end air outlet by reducing the outflow area of ​​the rear-end air outlet at the same motor frequency, which not only meets the rapid cooling demand of the glass, but also achieves the effect of energy saving and cost reduction.

Description

Technical Field

[0001] The invention relates to the field of glass manufacturing, and in particular to an air distribution device and a tempering furnace. Background Art

[0002] Temperature control is the core part of the tempered glass production process, which has an extremely important impact on the quality of glass products. After the glass is heated in the heating section, it needs to be cooled. The cooling process of the glass is generally divided into two parts: rapid cooling and cooling. Generally, cold air is sprayed from the wind grid nozzle and sprayed at high speed to the glass for cooling. The cooling process can be divided into high-pressure section and low-pressure section according to the wind pressure level. Among them, the rapid cooling process in the high-pressure section is the main process for the formation of glass surface stress, and it is also the most important part of the entire cooling process. The process level of the rapid cooling process will directly affect the tempering strength of the tempered glass. During the rapid cooling process, the wind pressure must reach a specific value at the moment the glass is cooled, so that the surface of the tempered glass obtains a sufficiently large surface stress to improve the mechanical strength of the glass.

[0003] In the related art, in order to make the temperature of each part of the glass surface uniform, the cooling device is equipped with an air distribution device. The entire high-pressure section of the cooling device is supplied by the same air collecting box, and then multiple parallel air outlets provide equal wind pressure. In order to meet the cooling requirements, the air outlet of the entire high-pressure section needs to adapt to the instantaneous wind pressure value of glass cooling. Therefore, the fan frequency of the high-pressure section needs to be set higher, resulting in higher energy consumption. Or in order to achieve multi-pole wind pressure output, multiple fans are used to supply air separately, which is also not conducive to energy saving and cost reduction. Summary of the invention

[0004] The main purpose of the present invention is to provide an air distribution device and a tempering furnace. Under the same motor frequency, the air distribution device can reduce the outflow area of ​​the rear air outlet to increase the wind pressure of the front air outlet, meet the rapid cooling demand of the glass, and achieve the effect of energy saving and cost reduction.

[0005] To achieve the above objectives, the embodiments of the present invention adopt the following technical solutions:

[0006] An air distribution device for cooling glass, the air distribution device comprising a housing and a control assembly;

[0007] The housing defines a cavity, and the housing has a first opening and a second opening connected to the cavity, the first opening is used to guide the airflow in the cavity to a first position, and the second opening is used to guide the airflow in the cavity to a second position, and along the conveying path of the glass, the first position is located upstream of the second position;

[0008] The control assembly is configured to control the outflow area of ​​the second opening so that the air pressure of the air flow derived from the first opening is greater than the air pressure of the air flow derived from the second opening.

[0009] In some embodiments, the control assembly includes a baffle connected to the housing, the baffle being configured to be movable relative to the housing and at least partially covering the second opening.

[0010] In some embodiments, the control assembly further includes a driving member, which is used to drive the baffle to adjust the area of ​​the second opening covered by the baffle.

[0011] In some embodiments, the driving member includes a motor, a sprocket and a chain, the chain is meshed with the sprocket, the chain is connected to the baffle, and the motor is configured to drive the sprocket to rotate so that the chain drives the baffle to move.

[0012] In some embodiments, the chain is configured to drive the baffle to reciprocate along a first direction to adjust the area of ​​the second opening covered by the baffle, and the first direction is perpendicular to the axial direction of the second opening.

[0013] In some embodiments, the driving member is configured to drive the baffle to rotate around a first axis to adjust the area of ​​the second opening covered by the baffle, and the first axis is perpendicular to the axis of the second opening.

[0014] In some embodiments, the first opening and the second opening are arranged relative to each other along a first direction, the second opening includes a first air outlet and a second air outlet, the first air outlet and the second air outlet are arranged relative to each other along a second direction, the second direction is perpendicular to the first direction and the axial direction of the second opening, the baffle includes a first plate body and a second plate body, the first plate body is used to cover the first air outlet, the second plate body is used to cover the second air outlet, and the driving member is configured to be able to drive the first plate body or the second plate body to move.

[0015] In some embodiments, the air distribution device also includes a first barometer, the first barometer is connected to the first opening, the first barometer is configured to send a first signal to the control component in response to the air pressure at the first opening being less than a first set value, and the control component is configured to reduce the outflow area of ​​the second opening in response to the first signal; and / or, the air distribution device also includes a second barometer, the second barometer is connected to the second opening, the second barometer is configured to send a second signal to the control component in response to the air pressure at the second opening being less than a second set value, and the control component is configured to increase the outflow area of ​​the second opening in response to the second signal.

[0016] In some embodiments, the first opening includes a third air outlet located on the upper side and a fourth air outlet located on the lower side, and the control component is also configured to control the outflow area of ​​the fourth air outlet so that the air pressure of the airflow exported by the third air outlet is greater than the air pressure of the airflow exported by the fourth air outlet.

[0017] The embodiment of the second aspect of the present invention further provides a tempering furnace, comprising an air distribution device according to any one of the above embodiments; and a heating device; wherein the air distribution device is used to cool the glass heated by the heating device.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The shell defines a cavity, and the shell has a first opening and a second opening connected to the cavity. The first opening is used to guide the airflow in the cavity to the first position, and the second opening is used to guide the airflow in the cavity to the second position. Along the conveying path of the glass, the first position is located upstream of the second position; the control component is configured to control the outflow area of ​​the second opening so that the air pressure of the airflow derived from the first opening is greater than the air pressure of the airflow derived from the second opening. Since the control component can control the outflow area of ​​the second opening, the first opening and the second opening can have an outflow area difference, so that when the overall flow of the system remains unchanged, the air pressure of the airflow derived from the first opening is greater. Combined with the cooling and tempering process of the glass, the airflow blown out of the first opening can be used to meet the instantaneous wind pressure value of the glass cooling, and the airflow blown out of the second opening can be used to meet the standard wind pressure value of the glass in the cooling high-pressure section, wherein the instantaneous wind pressure value of the cooling is greater than the standard wind pressure value, so that the air distribution device of the present invention can adapt to the process requirements of the high-pressure cooling section of the glass and adjust the wind pressure of different air outlets. Therefore, under the same motor frequency, the air distribution device of the present invention can increase the wind pressure at the front air outlet by reducing the outflow area of ​​the rear air outlet, which not only meets the rapid cooling demand of the glass, but also achieves the effect of energy saving and cost reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 A side view schematic diagram of an air distribution device provided in a first embodiment of the present invention; wherein a control component is shown in dotted lines;

[0022] Figure 2 A side view schematic diagram of the combination of the air distribution device and the glass provided in the second embodiment of the present invention;

[0023] Figure 3 It is a schematic diagram of the first side of the air distribution device provided in the third embodiment of the present invention; it shows the control components inside the housing, and shows the baffle with dotted lines and the chain with dot-dash lines;

[0024] Figure 4 It is a second side cutaway schematic diagram of the air distribution device provided in the third embodiment of the present invention, wherein the chain is shown by dot-dash lines;

[0025] Figure 5 A side view schematic diagram of an air distribution device provided in a fourth embodiment of the present invention; wherein a control component is shown in dotted lines;

[0026] Figure 6 It is a cross-sectional schematic diagram of the air distribution device provided in the fifth embodiment of the present invention; wherein the direction of the first axis is perpendicular to the paper surface;

[0027] Figure 7 It is a side view schematic diagram of the air distribution device provided in the sixth embodiment of the present invention; it shows the control components inside the shell, and the baffle is shown by dotted lines, and the chain is shown by dotted lines.

[0028] Description of Figure Numbers:

[0029] Air distribution device 100;

[0030] 110-housing; 111-cavity; 112-first opening; 1121-third air outlet; 1122-fourth air outlet; 113-second opening; 1131-first air outlet; 1132-second air outlet; 114-wind grille;

[0031] 120-control component; 121-baffle; 1211-first plate; 1212-second plate; 122-driving member;

[0032] 1221-motor; 1222-sprocket; 1223-chain;

[0033] 130-first barometer;

[0034] 140 - second barometer;

[0035] 200-glass;

[0036] 300 - first position;

[0037] 400 - second position;

[0038] X-first direction;

[0039] Y-second direction;

[0040] L - first axis.

[0041] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0044] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or", "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0045] Temperature control is the core part of the tempered glass production process, which has an extremely important impact on the quality of glass products. After the glass is heated in the heating section, it needs to be cooled. The cooling process of the glass is generally divided into two parts: rapid cooling and cooling. Generally, cold air is sprayed from the wind grid nozzle and sprayed at high speed to the glass for cooling. The cooling process can be divided into high-pressure section and low-pressure section according to the wind pressure level. Among them, the rapid cooling process in the high-pressure section is the main process for the formation of glass surface stress, and it is also the most important part of the entire cooling process. The process level of the rapid cooling process will directly affect the tempering strength of the tempered glass. During the rapid cooling process, the wind pressure must reach a specific value at the moment the glass is cooled, so that the surface of the tempered glass obtains a sufficiently large surface stress to improve the mechanical strength of the glass.

[0046] In the related art, in order to make the temperature of each part of the glass surface uniform, the cooling device will be provided with an air distribution device. The entire high-pressure section of the cooling device is supplied with air by the same air collecting box, and then multiple parallel air outlets provide equal wind pressure. In order to meet the cooling requirements, the air outlet of the entire high-pressure section needs to adapt to the instantaneous wind pressure value of glass cooling. Therefore, the fan frequency of the high-pressure section needs to be set higher, which is not conducive to energy saving. Specifically, the high-pressure section cooling process of glass requires that the glass meet the instantaneous rapid cooling wind pressure when leaving the heating furnace, and at the same time, the glass needs to meet the specified wind pressure in the entire high-pressure section. In the prior art, technicians often only focus on meeting the conditions for rapid cooling wind pressure, so that the entire high-pressure section is supplied with air at a unified wind pressure, and the air outlets at each position meet the rapid cooling wind pressure. This setting makes the fan frequency setting higher, which greatly increases energy consumption. Or in order to achieve multi-pole wind pressure output, multiple fans are used to supply air separately, and rapid cooling devices are set independently, which is also not conducive to energy saving and cost reduction.

[0047] In view of this, see Figure 1-Figure 7 In an embodiment of the first aspect of the present invention, an air distribution device 100 is provided for cooling a glass 200 . The air distribution device 100 includes a housing 110 and a control component 120 .

[0048] See also Figure 1 or Figure 3-Figure 5 , the shell 110 defines a cavity 111. The shell 110 has a first opening 112 and a second opening 113 that are connected to the cavity 111. In some embodiments, the shell 110 can be understood as a box-shaped outer shell of the air distribution device 100, and the inner circumferential wall of the shell 110 can define the cavity 111. Specifically, in some embodiments, the shell 110 can be provided with an air inlet, and the air outlet of the air supply device can be connected to the air inlet to guide the airflow into the cavity 111; further, the airflow in the cavity 111 can be guided to the outside through the first opening 112 and the second opening 113. According to the above functions, in some embodiments, the shell 110 can be a wind collecting box that plays a role in accommodating airflow. In order to meet the needs of wind guidance, in some embodiments, the inner circumferential wall of the shell 110 can be provided with a heat insulation layer to play a role in heat preservation of airflow; or a partition layer can be provided in the cavity 111 to play a role in separating multiple cavity 111 spaces.

[0049] According to the requirements of wind energy storage, in different embodiments, the housing 110 may be a rectangular box, a trapezoidal box, a spherical box or other polygonal box structures. The first opening 112 is used to guide the airflow in the cavity 111 to the first position 300, and the second opening 113 is used to guide the airflow in the cavity 111 to the second position 400. Along the conveying path of the glass 200, the first position 300 is located upstream of the second position 400. It can be understood that the first position 300 and the second position 400 are two wind guide positions outside the housing 110, respectively, and the arrangement and range of the two positions change accordingly with the setting of the wind guide outlet and the change of the cooling area of ​​the glass 200. Combined with the cooling requirements of the glass 200 in the tempering furnace, the first position 300 and the second position 400 can be two different positions on the conveying path of the glass 200. In addition, in different embodiments, the first opening 112 or the second opening 113 can be a circular hole, an elliptical hole, a rectangular hole, or other polygonal holes.

[0050] See also Figure 1 In some embodiments, the first opening 112 guides the airflow to the first position 300 or the second opening 113 guides the airflow to the second position 400 by directly exporting the airflow to the outside, that is, the first opening 112 or the second opening 113 can be directly connected to the outside, so that the airflow is directly guided to the glass 200. In other embodiments, the airflow can be indirectly guided to the glass 200 via the first opening 112 or the second opening 113. For details, see Figure 2 In some embodiments, the first opening 112 or the second opening 113 may be an opening on the wall of the shell 110, and the air distribution device 100 may include a wind grille 114, and the opening at one end of the wind grille 114 may be connected to the first opening 112 or the second opening 113, and the opening at the other end may be connected to the outside and located around the glass 200, so that the airflow can flow from the first opening 112 or the second opening 113 through the wind grille 114 and be directed to the first position 300 or the second position 400; in addition, in other embodiments, the shell 110 may include a wind grille 114, and the opening at one end of the wind grille 114 may be connected to the cavity 111, and the first opening 112 or the second opening 113 may be the opening at the other end of the wind grille 114, so that the airflow is directed from the cavity 111 to the opening at one end of the wind grille 114, and is directed from the opening at the other end to the glass 200. For ease of description, the following mainly uses an embodiment in which the air distribution device 100 does not include the wind grille 114 and the first opening 112 or the second opening 113 is directly connected to the outside as an example for illustration, and different embodiments may be combined with different technical solutions.

[0051] The control component 120 is configured to control the outflow area of ​​the second opening 113 so that the air pressure of the airflow derived from the first opening 112 is greater than the air pressure of the airflow derived from the second opening 113. The outflow area of ​​the second opening 113 can be controlled in different ways. Specifically, in some embodiments, the air distribution device 100 can be provided with a baffle 121, and the baffle 121 can cover the second opening 113. For specific implementations, please refer to the following; in other embodiments, the second opening 113 can be connected with a telescopic member, and the outflow area of ​​the second opening 113 can be changed by changing the telescopic length of the telescopic member. Specifically, in some embodiments, the telescopic member can be a plurality of plates that can be nested with each other, so that the outflow area can be changed by the relative movement of the plates; or the telescopic member can be made of a flexible material, such as rubber, so that the flow area can be changed by bending and deforming the telescopic member.

[0052] Based on the settings of the above-mentioned embodiments, it can be understood that the air distribution device 100 of the present invention has a first opening 112 and a second opening 113 for air outlet. Since the first opening 112 and the second opening 113 can be connected to the airflow in the cavity 111 and the air supply device at the same time, the total system flow of the air distribution device 100 remains unchanged. The control component 120 controls and reduces the outflow area of ​​the second opening 113, so that the airflow pressure loss at the second opening 113 increases, and then the air pressure of the airflow derived from the second opening 113 decreases, so that the air pressure of the airflow derived from the first opening 112 increases accordingly.

[0053] It should be noted that the air distribution device 100 of the present invention should correspond to the high-pressure section on the cooling section of the glass 200, and the wind pressure of the airflow derived from the first opening 112 should correspond to the rapid cooling part in the high-pressure section. Different glass specifications and process requirements may correspond to different cooling times, cooling section lengths or cooling wind pressures, and the high-pressure cooling section and the rapid cooling part therein may be distinguished accordingly. In order to meet the demand for rapid cooling of the glass 200, the length of the first opening 112 along the conveying direction of the glass 200 may be less than half of the length of the air distribution device 100 along the conveying direction of the glass 200. For example, in some embodiments, the length of the air distribution device 100 along the conveying direction of the glass 200 may be about 2 meters, and the length of the first opening 112 along the conveying direction of the glass 200 may be less than or equal to 1 meter.

[0054] According to the combination of the above embodiments, it can be seen that in some embodiments, the housing 110 defines a cavity 111, and the housing 110 has a first opening 112 and a second opening 113 that are in communication with the cavity 111. The first opening 112 is used to guide the airflow in the cavity 111 to the first position 300, and the second opening 113 is used to guide the airflow in the cavity 111 to the second position 400. Along the conveying path of the glass 200, the first position 300 is located upstream of the second position 400; the control component 120 is configured to control the outflow area of ​​the second opening 113 so that the air pressure of the airflow derived from the first opening 112 is greater than the air pressure of the airflow derived from the second opening 113. Since the control component 120 can control the outflow area of ​​the second opening 113, the first opening 112 and the second opening 113 can have an outflow area difference, so that when the overall flow of the system remains unchanged, the air pressure of the airflow derived from the first opening 112 is greater. Combined with the cooling and tempering process of the glass 200, the airflow blown out of the first opening 112 can be used to meet the instantaneous wind pressure value of the cooling of the glass 200, and the airflow blown out of the second opening 113 can be used to meet the standard wind pressure value of the glass 200 in the high-pressure cooling section, wherein the instantaneous wind pressure value of cooling is greater than the standard wind pressure value, so that the air distribution device 100 of the present invention can adapt to the process requirements of the high-pressure cooling section of the glass 200 and adjust the wind pressure of different air outlets. Therefore, the air distribution device 100 of the present invention can reduce the outflow area of ​​the rear air outlet to increase the wind pressure of the front air outlet at the same motor 1221 frequency, which not only meets the rapid cooling demand of the glass 200, but also achieves the effect of energy saving and cost reduction.

[0055] In order to control the outflow area of ​​the second opening 113, see Figure 1 or Figure 3-Figure 5In some embodiments, the control assembly 120 may include a baffle 121. Specifically, the baffle 121 may be connected to the housing 110. In different embodiments, the baffle 121 may contact the housing 110 to be directly connected to the housing 110; the baffle 121 may also be indirectly connected to the housing 110 through other connectors. The baffle 121 may be configured to be able to move relative to the housing 110 and at least partially cover the second opening 113. It is understood that the movement of the baffle 121 relative to the housing 110 can change the area of ​​the second opening 113 covered by the baffle 121, thereby controlling the outflow area of ​​the second opening 113. Regarding the movement mode of the baffle 121, in some embodiments, the baffle 121 can be slidably connected to the shell 110; or in other embodiments, the baffle 121 or the shell 110 can have a rotating shaft, so that the baffle 121 can be rotatably connected to the shell 110; or in other embodiments, the baffle 121 can also be connected to the driving member 122, and the movement is controlled by the driving member 122. The specific embodiment mode is described later. It should be noted that in some embodiments, the baffle 121 can directly contact the opening edge of the second opening 113, so as to more effectively reduce the outflow area of ​​the second opening 113; in other embodiments, in order to facilitate the movement of the baffle 121, the baffle 121 can have a certain gap with the orifice edge of the second opening 113.

[0056] Based on the above-mentioned setting of the baffle 121, in different embodiments, the baffle 121 can be connected to the inner wall of the shell 110 (the baffle 121 is located in the cavity 111), or can be connected to the outer wall of the shell 110. For the convenience of description, the embodiment in which the baffle 121 is connected to the inner wall of the shell 110 is used as an illustration below, and different embodiments can be combined with each other between different technical solutions.

[0057] For the embodiment in which the control assembly 120 includes the baffle 121, in order to facilitate the control of the baffle 121, see Figure 3-Figure 5 In some embodiments, the control component 120 may further include a driving member 122. The driving member 122 may be used to drive the baffle 121 to adjust the area of ​​the second opening 113 covered by the baffle 121. As for the type of the driving member 122, specifically, in some embodiments, the power source of the driving member 122 may be a motor 1221, a cylinder, an oil cylinder, an electric cylinder, etc., and the transmission member connected to the output end of the power source may be a chain 1223, a belt, a rod, a gear, etc.

[0058] For the specific form of the control assembly 120 driving the baffle 121 through the driving member 122, see Figure 3-Figure 5In some embodiments, the driving member 122 may include a motor 1221, a sprocket 1222, and a chain 1223. The chain 1223 may be engaged with the sprocket 1222. The chain 1223 may be connected to the baffle 121. Figure 4 In some embodiments, in order to adapt to the arrangement of the components of the air distribution device 100, multiple sprockets 1222 or chains 1223 can be provided to facilitate adjustment of the transmission direction. The motor 1221 can be configured to drive the sprocket 1222 to rotate so that the chain 1223 drives the baffle 121 to move. In order to facilitate the driving member 122 to drive the baffle 121 to cover the second opening 113, see Figure 3-Figure 5 In some embodiments, the chain 1223 can be configured to drive the baffle 121 to reciprocate along the first direction X to adjust the area of ​​the second opening 113 covered by the baffle 121. The first direction X is perpendicular to the axial direction of the second opening 113. Specifically, in some embodiments, the second opening 113 is located on the vertical wall surface of the shell 110, and the axial direction of the second opening 113 corresponds to the horizontal direction, and the chain 1223 can drive the baffle 121 to move along the first direction X (vertical direction) perpendicular to the axial direction of the second opening 113, so that the baffle 121 can reciprocate in the vertical direction to adjust the area of ​​the second opening 113 covered by the baffle 121. See Figure 4 In some embodiments, in order to improve the transmission efficiency between the chain 1223 and the sprocket 1222, multiple motors 1221 may be provided to drive different sprockets 1222 to rotate and drive the chain 1223 at the same time, so as to improve the transmission efficiency. In other embodiments, the housing 110 may be provided with a slide groove, and the baffle 121 may be provided with a protrusion, and the protrusion can extend into the slide groove, so that the housing 110 and the baffle 121 form a sliding connection. Further, the driving member 122 may include a motor 1221 and a push rod, and the push rod is connected to the baffle 121, so that the push rod can be pushed to and fro by the motor 1221, so that the push rod further drives the baffle 121 to slide relative to the housing 110.

[0059] The above embodiments provide a motion mode in which the baffle 121 can move parallel to the second opening 113. The following describes another motion mode in which the baffle 121 can rotate along a certain axis relative to the second opening 113 to adjust the area of ​​the second opening 113 covered by the baffle 121. Figure 6In some embodiments, the driving member 122 can be configured to drive the baffle 121 to rotate around the first axis L to adjust the area of ​​the second opening 113 covered by the baffle 121. It can be understood that as the baffle 121 rotates, the second opening 113 is blocked. When the extension direction of the baffle 121 is parallel to the axial direction of the second opening 113, the outflow area of ​​the second opening 113 is the largest. When the extension direction of the baffle 121 is perpendicular to the axial direction of the second opening 113, the outflow area of ​​the second opening 113 is the smallest. Among them, the first axis L can be perpendicular to the axis of the second opening 113. The above setting can make the airflow distribution derived from the second opening 113 more uniform. It should be noted that, considering the factors of processing error and installation error, the above definition of the first axis L being perpendicular to the axis of the second opening 113 can be understood as the two directions being basically perpendicular.

[0060] It should be noted that see Figure 1 or Figure 3-Figure 5 In some embodiments, the baffle 121 may be connected to the inner wall or the outer wall of the box-shaped housing 110, and the first opening 112 may be an opening of the inner wall or the outer wall of the housing 110; see Figure 2 In some other embodiments, the housing 110 may include a wind grille 114 , and the baffle 121 may be connected around the air outlet of the wind grille 114 . In this case, the first opening 112 may be the air outlet of the wind grille 114 .

[0061] Regarding the driving method of the baffle 121, the above embodiments only provide exemplary descriptions, and different embodiments can be combined with each other between different technical solutions.

[0062] See also Figure 3In some embodiments, the first opening 112 and the second opening 113 may be arranged relative to each other along the first direction X. The second opening 113 may include a first air outlet 1131 and a second air outlet 1132. The first air outlet 1131 and the second air outlet 1132 may be arranged relative to each other along the second direction Y. It is understood that the first air outlet 1131 and the second air outlet 1132 may be different air outlets, and both may be controlled by the control component 120 to control the outflow area, the difference being that the two air outlets may be arranged at different positions and direct the airflow to the glass 200 from different directions. In some embodiments, the second direction Y may be perpendicular to the first direction X and the axial direction of the second opening 113 at the same time. Specifically, referring to the figure, in some embodiments, the first direction X may be a horizontal direction, and corresponds to the lateral conveying direction of the glass 200, and the second opening 113 may be located on the side wall surface of the box-shaped housing 110, so that the axial direction of the second opening 113 is a horizontal direction and faces the glass 200, and the second direction Y is a vertical direction. It can be understood that, in some embodiments, the above-mentioned first air outlet 1131 and the second air outlet 1132 are arranged so that the two air outlets can be used for cooling different positions of the glass 200, for example, when the second direction Y is a vertical direction, the first air outlet 1131 can be located on the upper side and mainly used to cool the upper part of the glass 200, and the corresponding second air outlet 1132 can be located on the lower side and mainly used to cool the lower part of the glass 200. Further, in order to adapt to the control requirements of the wind pressure between different air outlets, the baffle 121 can be configured to enable the first air outlet 1131 and the second air outlet 1132 to have different outflow areas. Specifically, referring to the figure, in some embodiments, the baffle 121 can include a first plate body 1211 and a second plate body 1212. Among them, the first plate body 1211 can be used to cover the first air outlet 1131, and the second plate body 1212 can be used to cover the second air outlet 1132. The driving member 122 is configured to be able to drive the first plate 1211 or the second plate 1212 to move. It is understandable that the first plate 1211 and the second plate 1212 can be used to cover different air outlets, respectively, and the driving member 122 can control the movement of the first plate 1211 or the second plate 1212, respectively, so that the driving member 122 can control the outflow area of ​​the first air outlet 1131 and the second air outlet 1132, respectively. In some specific application embodiments, the manufacturing process requires that the upper surface of the glass 200 is cooled faster and is relatively flat, so combined with the improvement of this embodiment, the outflow area of ​​the first air outlet 1131 located on the upper side can be further made larger than the outflow area of ​​the second air outlet 1132 located on the lower side, so that the wind pressure at the first air outlet is greater.

[0063] In order to facilitate the measurement of the outlet wind pressure corresponding to different openings and to control the air pressure accordingly according to the measured value, referring to the figure, in some embodiments, the air distribution device 100 may further include a first barometer 130. The first barometer 130 may be connected to the first opening 112. It is understandable that after being connected to the first opening 112, the first barometer 130 may measure the air pressure at the first opening 112. The first barometer 130 may be configured to send a first signal to the control component 120 in response to the air pressure of the first opening 112 being less than a first set value. To send the first signal, the first barometer 130 may be electrically connected to the control component 120, and in order to accurately control the air pressure, the first signal may include the measured air pressure value. Correspondingly, the control component 120 may be configured to reduce the outflow area of ​​the second opening 113 in response to the first signal. It can be understood that the first set value can be the lowest rapid cooling temperature of the glass 200 cooled around the first opening 112. When the first barometer 130 detects that the air pressure value at the first opening 112 is less than the first set value, the control component 120 controls the reduction of the outflow area of ​​the second opening 113 to increase the air pressure at the first opening 112.

[0064] For the setting of the barometer, on the other hand, see Figure 6 In some embodiments, the air distribution device 100 may further include a second barometer 140. The second barometer 140 may be connected to the second opening 113. The second barometer 140 may be configured to send a second signal to the control component 120 in response to the air pressure of the second opening 113 being less than the second set value. The control component 120 may be configured to increase the outflow area of ​​the second opening 113 in response to the second signal. It is understood that the setting of the second barometer 140 is similar to the setting of the first barometer 130 described above, except that the second barometer 140 is used to measure the air pressure at the second opening 113, and the second set value may be the lowest temperature at which the glass 200 is cooled around the second opening 113. In order to avoid the outflow area of ​​the second opening 113 being too small, resulting in too small wind pressure at the second air outlet, when the second barometer 140 detects that the air pressure value at the second opening 113 is less than the second set value, the control component 120 controls to increase the outflow area of ​​the second opening 113 to increase the air pressure at the second opening 113. Based on the air pressure measurement and control methods of the above-mentioned embodiments, further, the control component 120 may include an encoder to transmit the wind pressure value at the first opening 112 or the second opening 113. The encoder can correspondingly enable the control component 120 to synchronously adjust the outflow area of ​​the second opening 113 according to the measured wind pressure value, thereby enabling the control component 120 to achieve precise and automatic outflow area and air pressure control.

[0065] Based on the control assembly 120 controlling the outflow area of ​​the second opening 113, in order to further control the airflow, the first opening 112 may be adjusted accordingly. Figure 7 In some embodiments, the first opening 112 may include a third air outlet 1121 located on the upper side and a fourth air outlet 1122 located on the lower side. It should be noted that the reference datum of the upper side and the lower side is the direction of gravity. It can be understood that, similar to the first air outlet 1131 and the second air outlet 1132 of the above-mentioned embodiment, the third air outlet 1121 can be mainly used to cool the upper part of the glass 200, and the corresponding fourth air outlet 1122 can be mainly used to cool the lower part of the glass 200. Based on this, in some embodiments, the control component 120 is also configured to control the outflow area of ​​the fourth air outlet so that the air pressure of the airflow derived from the third air outlet 1121 is greater than the air pressure of the airflow derived from the fourth air outlet 1122. The above-mentioned setting enables the wind scoring device 100 to further control the wind pressure on the upper and lower sides of the first opening 112. In some specific application embodiments, the manufacturing process requires that the upper surface of the glass 200 be cooled faster and smoother, and therefore higher requirements are placed on the rapid cooling wind pressure on the upper side of the first opening 112. Combined with the improvements in this embodiment, the outflow area of ​​the third air outlet 1121 on the upper side can be further made larger than the outflow area of ​​the fourth air outlet 1122 on the lower side, so that the wind pressure at the third air outlet is greater.

[0066] The embodiment of the second aspect of the present invention further provides a tempering furnace, which includes the air distribution device 100 of any of the above embodiments, and a heating device. The air distribution device 100 is used to cool the glass 200 heated by the heating device. The air distribution device 100 of the present invention can be regarded as a part of the cooling device located downstream of the heating device. The arrangement position relationship of the air distribution device 100 and the heating device can be referred to the prior art, which will not be repeated here. Thanks to the improvement of the air distribution device 100 in the above embodiments, the tempering furnace in the embodiment of the second aspect of the present invention has the same technical effect as the air distribution device 100 in the above embodiments. It will not be repeated here.

[0067] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. An air distribution device for cooling glass, characterized in that: The air distribution device comprises: A housing defines a cavity, the housing having a first opening and a second opening communicating with the cavity, the first opening being used to direct the airflow in the cavity to a first position, the second opening being used to direct the airflow in the cavity to a second position, the first position being located upstream of the second position along a conveying path of the glass; a control assembly configured to control the outflow area of ​​the second opening so that the air pressure of the airflow derived from the first opening is greater than the air pressure of the airflow derived from the second opening; The control assembly includes a baffle, the baffle is connected to the housing, the baffle is configured to be movable relative to the housing and at least partially cover the second opening, the control assembly also includes a driving member, the driving member is used to drive the baffle, the driving member drives the baffle to reciprocate along a first direction to adjust the area of ​​the second opening covered by the baffle, the first direction is perpendicular to the axial direction of the second opening; The first opening and the second opening are arranged opposite to each other along a first direction, the second opening includes a first air outlet and a second air outlet, the first air outlet and the second air outlet are arranged opposite to each other along a second direction, the second direction is perpendicular to the first direction and the axis direction of the second opening at the same time, the baffle includes a first plate body and a second plate body, the first plate body is used to cover the first air outlet, the second plate body is used to cover the second air outlet, and the driving member is configured to be able to drive the first plate body or the second plate body to move; The first opening includes a third air outlet located on the upper side and a fourth air outlet located on the lower side, and the control component is also configured to control the outflow area of ​​the fourth air outlet so that the air pressure of the airflow derived from the third air outlet is greater than the air pressure of the airflow derived from the fourth air outlet.

2. The air distribution device according to claim 1, characterized in that: The driving member includes a motor, a sprocket and a chain, the chain is meshed with the sprocket, the chain is connected to the baffle, and the motor is configured to drive the sprocket to rotate so that the chain drives the baffle to move.

3. The air distribution device according to claim 2, characterized in that: The chain is configured to drive the baffle to reciprocate along a first direction to adjust the area of ​​the second opening covered by the baffle, and the first direction is perpendicular to the axial direction of the second opening.

4. The air distribution device according to claim 1, characterized in that: The driving member is configured to drive the baffle to rotate around a first axis to adjust the area of ​​the second opening covered by the baffle, and the first axis is perpendicular to an axis of the second opening.

5. The air distribution device according to claim 1, characterized in that: The air distribution device further includes a first air pressure gauge, the first air pressure gauge is connected to the first opening, the first air pressure gauge is configured to send a first signal to the control component in response to the air pressure of the first opening being less than a first set value, and the control component is configured to reduce the outflow area of ​​the second opening in response to the first signal; and / or, The air distribution device also includes a second barometer, which is connected to the second opening. The second barometer is configured to send a second signal to the control component in response to the air pressure at the second opening being less than a second set value. The control component is configured to increase the outflow area of ​​the second opening in response to the second signal.

6. A tempering furnace, characterized in that: include: The air distribution device according to any one of claims 1 to 5; as well as, Heating device; Wherein, the air distribution device is used to cool the glass heated by the heating device.

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