Automatic temperature adjusting device for liquid crystal substrate glass
By setting up adjustment unit equipment and fan on the liquid crystal substrate glass transmission equipment, combining air volume, air temperature detection and PLC control system, the problem of dust adhesion and detection difficulties caused by high temperature of the liquid crystal substrate glass is solved, and rapid cooling and quality assurance are achieved.
Patent Information
- Application Number
- CN202421522445.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The temperature of the liquid crystal substrate glass is high after forming and cutting at the hot end of the steel, resulting in dust adhesion and affecting quality detection. It is difficult for the prior art to quickly cool down and ensure glass quality without changing the layout of the factory building.
The symmetrical setting of the No. 1 and No. 2 adjustment unit equipment is adopted, and combined with the fan, air volume, air temperature detection device and PLC control system, the air temperature and air volume are adjusted through high-efficiency filter and DCC dry cooling coils to achieve real-time cooling control of the glass.
It realizes rapid cooling of glass, reduces the impact of dust, improves quality detection accuracy and cleaning efficiency of subsequent processes, and ensures the stability of glass quality.
Smart Images
Figure CN223155411U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of liquid crystal substrate glass manufacturing, and particularly relates to an automatic temperature regulating device for liquid crystal substrate glass. Background Art
[0002] After the liquid crystal substrate glass is formed and cut at the hot end, the glass temperature is high. During the cutting process, glass dust and other dust generated in the air are attached, and it is not easy to clean in the subsequent processes. Moreover, the high glass temperature will also affect the quality inspection and judgment of the glass by the optical inspection equipment.
[0003] Currently, the main solution is to control the air volume and air temperature of the fan blowing towards the liquid crystal substrate glass without major renovation of the workshop or layout and without affecting the smooth transportation of the liquid crystal substrate glass and the glass quality, so as to adjust the temperature of the liquid crystal glass, enabling the liquid crystal glass to rapidly cool down during this process, thereby improving the quality judgment of the liquid crystal substrate glass by the automatic inspection equipment and reducing the impact on the subsequent cleaning process after the glass powder is attached. At the same time, due to the faster production of thin and light liquid crystal substrate glass, the air temperature is reduced and the air volume is increased to meet the process requirements of the thin and light liquid crystal substrate glass. Summary of the Invention
[0004] The purpose of the utility model is to overcome the deficiency that the slow cooling of the glass affects the processing and detection of subsequent processes, and to provide an automatic temperature regulating device for liquid crystal substrate glass.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions.
[0006] An automatic temperature regulating device for liquid crystal substrate glass, characterized in that it includes a No. 1 regulating unit device, a No. 2 regulating unit device, a liquid crystal substrate glass transmission device and a fan. The No. 1 regulating unit device and the No. 2 regulating unit device are symmetrically arranged above and below the liquid crystal substrate glass transmission device respectively. The fan is connected to the side of the No. 1 regulating unit device and the No. 2 regulating unit device facing away from the liquid crystal substrate glass transmission device. The side of the No. 1 regulating unit device and the No. 2 regulating unit device facing the glass transmission surface is the air outlet, and the fan blows air to the glass surface through the air outlets of the No. 1 regulating unit device and the No. 2 regulating unit device.
[0007] The side of the No. 1 regulating unit device and the No. 2 regulating unit device facing the glass transmission surface is the air outlet, and the fan blows air to the glass surface through the air outlets of the No. 1 regulating unit device and the No. 2 regulating unit device.
[0008] A air volume and air temperature detection device is installed at the air outlets of the No. 1 regulating unit device and the No. 2 regulating unit device. The air volume and air temperature detection device is connected to the PLC control system, and the air volume and air temperature data detected by the air volume and air temperature detection device are sent to the PLC control system.
[0009] High-efficiency filters are installed inside the No. 1 regulating unit equipment and the No. 2 regulating unit equipment. After the fan blows air into the No. 1 regulating unit equipment and the No. 2 regulating unit equipment and the air is filtered by the high-efficiency filters, it is blown out from the air outlet.
[0010] Cold air drying devices are also installed inside the No. 1 regulating unit equipment and the No. 2 regulating unit equipment. When the fan blows air through the No. 1 regulating unit equipment and the No. 2 regulating unit equipment, it has to pass through the cold air drying devices.
[0011] DCC dry cooling coils are installed on the opposite side of the No. 1 regulating unit equipment and the No. 2 regulating unit equipment. The fan is connected to the No. 1 regulating unit equipment and the No. 2 regulating unit equipment through the DCC dry cooling coils.
[0012] The described DCC dry cooling coil is in the shape of a funnel. The large-diameter opening of the DCC dry cooling coil is connected and fixed to the back of the No. 1 regulating unit equipment and the No. 2 regulating unit equipment, and the small-diameter opening of the DCC dry cooling coil is connected to the fan.
[0013] Cooling water return pipes and cooling water inlet pipes are connected to the side of the No. 1 regulating unit equipment and the No. 2 regulating unit equipment facing away from the liquid crystal substrate glass transmission equipment. A cooling water return electromagnetic regulating valve is arranged on the cooling water return pipe, and a cooling water inlet electromagnetic regulating valve is arranged on the cooling water inlet pipe. Both the cooling water return electromagnetic regulating valve and the cooling water inlet electromagnetic regulating valve are connected to the PLC control system. Glass transmission outlet temperature detection probes and glass transmission inlet temperature detection probes are respectively installed at both ends of the liquid crystal substrate glass transmission equipment. The glass transmission outlet temperature detection probes and the glass transmission inlet temperature detection probes are also connected to the PLC control system. The PLC control system adjusts the opening and closing sizes of the cooling water return electromagnetic regulating valve and the cooling water inlet electromagnetic regulating valve according to the glass temperature data detected by the glass transmission inlet temperature detection probes and the glass transmission outlet temperature detection probes.
[0014] The opening and closing sizes of the cooling water return electromagnetic regulating valve and the cooling water inlet electromagnetic regulating valve control the cooling water inflow of the DCC dry cooling coil, and thus adjust the cold air temperature entering from the DCC dry cooling coil by the fan.
[0015] The PLC control system also has an alarm function. When the air volume and air temperature values at the air outlets of the No. 1 regulating unit equipment and the No. 2 regulating unit equipment detected by the air volume and air temperature detection devices are different, the PLC control system automatically issues an alarm for the staff to check.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The automatic temperature regulating device for liquid crystal substrate glass disclosed by the utility model. The PLC control system is connected with the temperature detection probe at the glass input port, the temperature detection probe at the glass output port, the air volume and air temperature detection device, the electromagnetic regulating valve for the return water of cooling water and the electromagnetic regulating valve for the inlet water of cooling water. It can receive in real time the data detected by the temperature detection probe at the glass input port, the temperature detection probe at the glass output port, as well as the air volume and air temperature detection device, and adjust in real time the control of the electromagnetic regulating valve for the return water of cooling water and the electromagnetic regulating valve for the inlet water of cooling water according to these data. Furthermore, it can control in real time the air cooling degree of the air blown by the fan into the DCC dry cooling coil. The whole control process forms a closed loop, and each link has a detection device and feeds back to the PLC control system in real time, enabling the PLC control system to control the cooling system in real time, achieving the real-time detection of the cooling device and the real-time control of the glass cooling, effectively improving the cooling efficiency of the glass, and further providing guarantee for the subsequent working procedures of the glass.
[0018] Furthermore, the cold air is blown to the glass surface after being filtered by the high-efficiency filter, reducing the influence of impurities in the air on the glass quality and ensuring the glass quality detection in the subsequent work.
[0019] Furthermore, after the cold air passes through the cold air drying device, the influence of the moisture in the air on the glass at high temperature is solved, providing further guarantee for the glass quality detection in the subsequent work.
[0020] Furthermore, the DCC dry cooling coil is in a funnel shape, and the small-diameter opening is connected to the fan, which can ensure that all the air blown by the fan passes through cooling, drying and filtering, reducing the phenomena that the air is not fully cooled and the quality of the glass is affected by impurities and moisture in the air, improving the cooling efficiency and providing further guarantee for the glass quality detection in the subsequent work.
[0021] Furthermore, the PLC control system adjusts the inflow and outflow of the cooling water entering the DCC dry cooling coil according to the temperature detected by the temperature detection probe at the glass input port, enabling the cooling device to cool down to different degrees according to the actual situation of the glass and improving the cooling efficiency.
[0022] Furthermore, the PLC control system can also judge whether the glass is cooled qualified according to the temperature detected by the temperature detection probe at the glass output port, ensuring the completion of the glass cooling procedure and further providing guarantee for the subsequent work of the glass.
[0023] Furthermore, if the PLC control system judges that the air volume and air temperature values at the air outlets of the No. 1 regulating unit device and the No. 2 regulating unit device detected by the air volume and air temperature detection device are different, it will immediately give an alarm, effectively reducing the phenomenon that the different temperatures of the upper and lower surfaces of the glass affect the glass quality and ensuring the normal cooling of the glass. Description of the Drawings
[0024] Figure 1 It is a schematic structural diagram of an automatic temperature regulating device for liquid crystal substrate glass.
[0025] Number description: 1. Cooling water return pipe; 2. Cooling water return electromagnetic regulating valve; 3. Cooling water inlet pipe; 4. Cooling water inlet electromagnetic regulating valve; 5. Glass outlet temperature detection probe; 6. Air volume and air temperature detection device; 7. Cold air drying device; 8. PLC control system; 9. High-efficiency filter; 10. Glass transmission inlet temperature detection probe; 11. Liquid crystal substrate glass transmission equipment; 12. DCC dry cooling coil; 13. No. 1 regulating unit equipment; 14. No. 2 regulating unit equipment; 15. Fan. Detailed Embodiment
[0026] To further understand the content of the present utility model, the present utility model will be described in detail below in conjunction with the drawings and specific embodiments. It should be understood that the embodiments are only for explaining the present utility model and not for limiting it.
[0027] See Figure 1 , the schematic structural diagram of the automatic temperature regulating device for liquid crystal substrate glass. The No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14 are symmetrically arranged above and below the transmission surface of the liquid crystal substrate glass transmission equipment 11. Glass transmission inlet temperature detection probes 10 and glass transmission outlet temperature detection probes 5 are respectively arranged at both ends of the liquid crystal substrate transmission equipment 11. The surfaces of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14 facing the liquid crystal substrate glass transmission equipment 11 are air outlets, and an air volume and air temperature detection device 6 is arranged at the air outlet; the surfaces of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14 facing away from the liquid crystal substrate glass transmission equipment 11 are provided with DCC dry cooling coils 12. The DCC dry cooling pipes 12 are in a funnel shape. The large-diameter openings of the DCC dry cooling pipes 12 are connected and fixed to the surfaces of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14 facing away from the liquid crystal substrate glass transmission equipment 11. A fan 15 is connected to the small-diameter openings of the DCC dry cooling coils 12. The DCC dry cooling coils 12 are connected with a cooling water return pipe 1 and a cooling water inlet pipe 3. Cooling water return electromagnetic regulating valves 2 and cooling water inlet electromagnetic regulating valves 4 are arranged on the cooling water return pipe 1 and the cooling water inlet pipe 3; a cold air drying device 7 and a high-efficiency filter 9 are arranged inside the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14; one end of the PLC control system 8 is connected to the glass transmission inlet temperature detection probe 10, the glass transmission outlet temperature detection probe 5, and the air volume and air temperature detection device 6, and the other end of the PLC control system 8 is connected to the cooling water return electromagnetic regulating valve 2 and the cooling water inlet electromagnetic regulating valve 4.
[0028] Glass flows into the substrate transfer device 11. After the temperature detection probe 10 at the glass transfer inlet detects the temperature, the generated temperature data is sent to the PLC control system 8. The fan 15 enters the No. 1 conditioning unit device 13 and the No. 2 conditioning unit device 14 through the DCC dry cooling coil 7. The air temperature is adjusted by the cooling water inlet pipe 3 and the cooling water return pipe 1, and then dried and filtered by the cold air drying device 7 and the high-efficiency filter 9. Finally, the air is blown into the glass surface by the air outlets of the No. 1 conditioning unit device 13 and the No. 2 conditioning unit device 14. At the same time, the PLC control system 8 processes and calculates the data received from the glass transfer inlet temperature detection probe 10 to obtain an output value. The PLC control system 8 sends the output value to the electromagnetic regulating valve 2 of the cooling water return pipe and the electromagnetic regulating valve 4 of the cooling water inlet, controls the water inflow and outflow of the electromagnetic regulating valve 2 of the cooling water return pipe and the electromagnetic regulating valve 4 of the cooling water inlet, and then controls the water inflow and outflow of the cooling water in the DCC dry cooling coil 7, so as to control the temperature of the cold air blown into the No. 1 conditioning unit device 13 and the No. 2 conditioning unit device 14 by the fan, thereby achieving the cooling of the glass; the air volume and air temperature detection device 6 at the air outlets of the No. 1 conditioning unit device 13 and the No. 2 conditioning unit device 14 monitors the air volume and air temperature at the air outlets of the No. 1 conditioning unit device 13 and the No. 2 conditioning unit device 14 in real time while the glass is being cooled, and sends this data to the PLC control system 8. The PLC control system 8 controls the water inflow and outflow of the cooling water of the electromagnetic regulating valve 2 of the cooling water return and the electromagnetic regulating valve 4 of the cooling water inlet in real time according to this data, and then adjusts the air temperature during the cooling process in real time, thereby achieving the precise cooling of the glass temperature; at this time, if the values detected by the air temperature and air volume detection device 6 of the No. 1 conditioning unit device 13 and the No. 2 conditioning unit device 14 are different, the PLC control system will automatically issue an alarm and the staff will check. After the glass cooling is completed, it passes through the glass transfer outlet temperature detection probe 5. The glass transfer outlet temperature detection probe 5 sends the detected temperature data to the PLC control system 8. The PLC control system 8 judges whether the glass temperature cooling is completed.
[0029] A stable mechanism for suspending and transferring substrate glass and its temperature adjustment method:
[0030] After the liquid crystal substrate glass is formed and cut at the hot end, the glass is transported through the liquid crystal substrate transfer device 11 and passes through the No. 1 conditioning unit device 13 and the No. 2 conditioning unit device 14 to achieve temperature adjustment.
[0031] At the glass input port, the temperature of the substrate glass is detected by the glass input port temperature detection probe 10 at this time. The glass input port temperature detection probe 10 is connected to the PLC control system 8. The PLC control system 8 processes and calculates the detected temperature data to obtain an output value, and then sends the output value to the cooling water return electromagnetic regulating valve 2 and the cooling water inlet electromagnetic regulating valve 4 connected to the PLC control system 8, thereby controlling the water inflow and outflow of the cooling water return pipe 1 and the cooling water inlet pipe 3. The cooling water return pipe 1 and the cooling water inlet pipe 3 are connected to the DCC dry cooling coil 12 of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14. The DCC dry cooling coil 12 is also connected to a fan 15. The water inflow and outflow of the cooling water return pipe 1 and the cooling water inlet pipe 3 directly control the water inflow and outflow of the DCC dry cooling coil 12. After the fan 15 blows air into the DCC dry cooling coil 12, the air is cooled by the cooling water to the temperature reached by the output value of the PLC control system 8. Then, the cooled air is dried and filtered by the cold air drying device 7 and the high-efficiency filter 9 inside the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14, and then acts on the upper and lower surfaces of the substrate glass through the air outlets of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14. After the glass is cooled, it is transported by the liquid crystal substrate transport device 11 to the glass output port temperature detection probe 5. The glass output port temperature detection probe 5 sends the detected glass temperature data to the connected PLC control system 8, and the PLC control system 8 detects whether the glass temperature reaches the qualified temperature after cooling. The air volume and air temperature detection device 6 provided at the air outlets of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14 sends the air volume and air temperature values at the air outlets of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14 to the connected PLC control system 8. When the PLC control system 8 determines that the air volume and air temperature values at the air outlets of the No. 1 regulating unit equipment 13 and the No. 2 regulating unit equipment 14 are different, the PLC control system 8 automatically issues an alarm for the staff to check.
[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the specific implementation manners of the present invention can still be modified or equivalently replaced, and any modification or equivalent replacement without departing from the spirit and scope of the present invention shall be covered by the protection scope of the claims of the present invention.
Claims
1. An automatic temperature adjustment device for liquid crystal substrate glass, characterized in that, It includes a No. 1 regulating unit device (13), a No. 2 regulating unit device (14), a liquid crystal substrate glass conveying device (11) and a blower (15). The No. 1 regulating unit device (13) and the No. 2 regulating unit device (14) are symmetrically arranged above and below the liquid crystal substrate glass conveying device (11) respectively. The blower (15) is connected to the side of the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14) facing away from the liquid crystal substrate glass conveying device (11). A cooling water return pipe (1) and a cooling water inlet pipe (3) are connected to the side of the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14) facing away from the liquid crystal substrate glass conveying device (11). A cooling water return electromagnetic regulating valve (2) is arranged on the cooling water return pipe (1), and a cooling water inlet electromagnetic regulating valve (4) is arranged on the cooling water inlet pipe (3). Both the cooling water return electromagnetic regulating valve (2) and the cooling water inlet electromagnetic regulating valve (4) are connected to a PLC control system (8). Temperature detection probes (5) for the glass transmission outlet and (10) for the glass transmission inlet are respectively installed at both ends of the liquid crystal substrate glass conveying device (11). The temperature detection probe (5) for the glass transmission outlet and the temperature detection probe (10) for the glass transmission inlet are also connected to the PLC control system (8). The PLC control system (8) adjusts the opening and closing sizes of the cooling water return electromagnetic regulating valve (2) and the cooling water inlet electromagnetic regulating valve (4) according to the glass temperature data detected by the temperature detection probe (10) for the glass transmission inlet and the temperature detection probe (5) for the glass transmission outlet.
2. The automatic temperature regulating device for liquid crystal substrate glass according to claim 1, wherein The side of the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14) facing the glass conveying surface is the air outlet, and the blower (15) blows air to the glass surface through the air outlets of the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14).
3. The automatic temperature regulating device for liquid crystal substrate glass according to claim 2, characterized in that, An air volume and air temperature detection device (6) is installed at the air outlets of the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14). The air volume and air temperature detection device (6) is connected to the PLC control system (8), and the air volume and air temperature data detected by the air volume and air temperature detection device (6) are sent to the PLC control system (8).
4. An automatic temperature adjustment device for a liquid crystal substrate glass according to claim 3, characterized in that, An efficient filter (9) is installed inside the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14). The blower (15) blows air into the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14), and after being filtered by the efficient filter (9), it is blown out from the air outlet.
5. The automatic temperature adjustment device for a liquid crystal substrate glass according to claim 4, characterized in that, A cold air drying device (7) is also installed inside the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14). When the blower (15) blows air, the air passes through the cold air drying device (7) when passing through the No. 1 regulating unit device (13) and the No. 2 regulating unit device (14).
6. The automatic temperature regulating device for liquid crystal substrate glass according to claim 5, characterized in that, On the other side of the opposite side of the No. 1 regulating unit equipment (13) and the No. 2 regulating unit equipment (14), DCC dry cooling coils (12) are installed, and the fan (15) is connected to the No. 1 regulating unit equipment (13) and the No. 2 regulating unit equipment (14) through the DCC dry cooling coils (12).
7. An automatic temperature regulating device for a liquid crystal substrate glass according to claim 6, characterized in that, The DCC dry cooling coil (12) is in the shape of a funnel. The large-diameter opening of the DCC dry cooling coil (12) is fixedly connected to the back of the No. 1 regulating unit equipment (13) and the No. 2 regulating unit equipment (14), and the small-diameter opening of the DCC dry cooling coil (12) is connected to the fan (15).
8. The automatic temperature regulating device for a liquid crystal substrate glass according to claim 1, characterized in that, The opening and closing sizes of the cooling water return electromagnetic regulating valve (2) and the cooling water inlet electromagnetic regulating valve (4) control the cooling water inflow of the DCC dry cooling coil (12), and further adjust the cold air temperature entering the No. 1 regulating unit equipment (13) and the No. 2 regulating unit equipment (14) from the DCC dry cooling coil (12) by the fan (15).
9. The automatic temperature regulating device for liquid crystal substrate glass according to claim 1, characterized in that, The PLC control system (8) also has an alarm function. When the air volume and air temperature values at the air outlets of the No. 1 regulating unit equipment (13) and the No. 2 regulating unit equipment (14) detected by the air volume and air temperature detection device (6) are different, the PLC control system (8) automatically issues an alarm for the staff to check.