Testing equipment for liquid crystal material

Abstract

The utility model provides testing equipment for liquid crystal materials, which comprises a working table, a support, a driving air pump, a temperature control structure, a liquid crystal detection table, a screw driving frame, a supporting seat and a monitoring camera, the support is fixedly mounted at one end of the surface of the working table, the driving air pump is fixedly mounted on the support, and the temperature control structure is fixedly mounted at one end of the driving air pump; the liquid crystal detection table is fixedly mounted at one end of the temperature control structure, the screw driving frame is fixedly mounted on the surface of the workbench, and the supporting seat is slidably mounted on the screw driving frame; the monitoring camera is fixedly mounted on the surface of the supporting seat; due to the arrangement of the temperature control structure and the liquid crystal detection platform, the data acquisition degree is high, the change of liquid crystal at different temperatures can be effectively monitored, and the temperature control degree is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal detection technical field especially relates to a test equipment for liquid crystal material. BACKGROUND

[0002] With the wide application of liquid crystal materials in display technology, optoelectronic devices and intelligent devices, the performance testing and evaluation of liquid crystal materials become the key link in research and development and quality control. The performance of liquid crystal materials is usually affected by environmental temperature, pressure and external electric field and other factors, especially in display, liquid crystal display screen and other application scenarios, temperature has a direct influence on the arrangement and optical performance of liquid crystal molecules. Therefore, accurately testing the performance of liquid crystal materials under different temperature conditions, especially the physical properties such as transparency, reflectivity and refractive index, is crucial for the innovation and optimization of liquid crystal technology.

[0003] The existing liquid crystal test equipment has made progress in temperature control and data acquisition, but most of the equipment still has problems such as limited temperature control range, insufficient test precision, complicated operation and so on. In addition, the change of optical properties of liquid crystal materials under different temperatures and the performance testing requirements make the test equipment need to have higher flexibility and precision to adapt to the increasingly diversified test environment and application scenarios.

[0004] Therefore, it is necessary to invent a test equipment for liquid crystal materials. SUMMARY

[0005] In order to solve the above technical problems, the utility model provides a test equipment for liquid crystal materials to solve the problems of low data acquisition degree, unable to effectively monitor the change of liquid crystal under different temperatures and low temperature control degree of the existing liquid crystal detection equipment. A test equipment for liquid crystal materials, including workbench, support, drive air pump, temperature control structure, liquid crystal detection table, screw rod drive frame, support seat and monitoring camera, wherein: the support is fixedly installed at one end of the surface of the workbench, and the drive air pump is fixedly installed on the support, and the temperature control structure is fixedly installed at one end of the drive air pump; the liquid crystal detection table is fixedly installed at one end of the temperature control structure, and the screw rod drive frame is fixedly installed on the surface of the workbench, and the support seat is slidingly installed on the screw rod drive frame; the monitoring camera is fixedly installed on the surface of the support seat.

[0006] The temperature control structure includes a connecting port, a gas guide pipe, an air conditioning system and an air outlet, and the connecting port is fixedly installed on the drive air pump, and the gas guide pipe is fixedly installed at one end of the connecting port; the air conditioning system is fixedly installed at one end of the gas guide pipe and fixedly installed on the surface of the workbench; the air outlet is fixedly installed on one side of the air conditioning system and connected with the liquid crystal detection table.

[0007] The liquid crystal detection platform comprises a temperature guide pipeline, a placement point, a liquid crystal placement tube, a temperature measurement point and a temperature sensor, the temperature guide pipeline is fixedly installed at one end of the temperature control structure, and the placement point is fixedly installed above the temperature guide pipeline; the liquid crystal placement tube is slidably installed in the placement point, the temperature measurement point is fixedly installed below the temperature guide pipeline, and the temperature sensor is installed in the temperature measurement point.

[0008] The air conditioning system in the temperature control structure adopts a set of small air conditioners, and the air conditioning system can heat or cool the gas generated from the driving air pump, the gas outlet can conduct the heated or cooled gas into the liquid crystal detection platform, and the heated or cooled gas is discharged from the other end of the liquid crystal detection platform.

[0009] The temperature guide pipeline in the liquid crystal detection platform adopts a transparent glass pipeline, the size of the placement point is matched with the liquid crystal placement tube, the liquid crystal placement tube adopts a transparent glass test tube, and the liquid crystal to be detected is placed in the transparent glass test tube; the lower end of the liquid crystal placement tube is suspended in the temperature guide pipeline after being inserted into the placement point; and the temperature sensor adopts a plurality of temperature sensors, and the positions of the temperature sensors are matched with the installation positions of the liquid crystal placement tube.

[0010] Compared with the prior art, the liquid crystal detection platform has the following beneficial effects:

[0011] 1. The temperature control structure has the following effects: ① gas temperature adjustment: the driving air pump sends gas to the temperature control structure through the connecting port, and the air conditioning system heats or cools the gas as required to ensure that the gas reaches the required test temperature; ② temperature transfer: the gas outlet of the temperature control structure conducts the adjusted gas into the liquid crystal detection platform for uniform temperature distribution and temperature control test of the liquid crystal material; ③ temperature has a direct effect on the performance of the liquid crystal material, especially the optical properties. The liquid crystal will change phase at different temperatures, thereby causing changes in its transparency, color, optical refractive index and other properties. Therefore, the temperature control structure can accurately control the temperature of the liquid crystal in the liquid crystal placement tube, and ensure that the performance of the liquid crystal at different temperatures is accurately tested. Through this process, it can be determined whether the liquid crystal material can work stably within a certain temperature range or whether its performance changes significantly.

[0012] 2. The liquid crystal detection platform has the following effects: ① temperature control and test environment: the liquid crystal detection platform comprises a temperature guide pipeline and a liquid crystal placement tube, which adjusts the temperature of the airflow through the temperature control structure to ensure that the liquid crystal material is tested within a predetermined temperature range. Accurate temperature control helps to study the physical and optical properties of the liquid crystal at different temperatures; ②

[0013] Liquid crystal placement and position fixing: The liquid crystal placement tube is used to fix the liquid crystal material on the liquid crystal detection platform and place it in the temperature guide pipeline for air flow temperature control and temperature sensor monitoring. Through the placement point, the liquid crystal placement tube can maintain a stable position; ③ Temperature monitoring and data acquisition: The liquid crystal detection platform is also equipped with multiple temperature sensors for real-time monitoring of the temperature changes of the liquid crystal material at different point positions. Through these temperature sensors, the temperature changes of the liquid crystal can be accurately recorded and analyzed with the image data collected by the monitoring camera; ④

[0014] Liquid crystal performance test: The transparency, refractive index and other optical properties of liquid crystal will change under different temperature environments. The liquid crystal detection platform can help observe these changes to evaluate the performance stability, applicable temperature range and working environment of the liquid crystal material.

[0015] 3. The utility model discloses a kind of test equipment for liquid crystal material, by accurately controlling temperature environment and real-time monitoring the performance of liquid crystal material under different temperatures, evaluate its optical and physical properties, help to determine its applicable temperature range and performance stability. Equipment is adjusted gas temperature by temperature control structure, provide a controllable temperature environment, liquid crystal detection platform is used to place liquid crystal material and monitor its transparency, refractive index and other changes, while temperature sensor accurately monitors the temperature changes of liquid crystal. In this way, equipment can comprehensively evaluate the performance of liquid crystal material under different temperature conditions, provide scientific basis for the research and application of liquid crystal. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model.

[0017] Figure 2 It is the enlarged view of A of the utility model.

[0018] Figure 3 It is the enlarged view of B of the utility model.

[0019] In the figure:

[0020] Workbench 1, support 2, drive gas pump 3, temperature control structure 4, connecting port 41, gas guide pipe 42, air conditioning system 43, gas outlet 44, liquid crystal detection platform 5, temperature guide pipeline 51, placement point 52, liquid crystal placement tube 53, temperature measurement point 54, temperature sensor 55, screw rod driving frame 6, support seat 7, monitoring camera 8. DETAILED DESCRIPTION

[0021] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor shall fall within the scope of the present application.

[0022] As shown in the accompanying Figure 1 to the accompanying Figure 3 .

[0023] The utility model provides a kind of test equipment for liquid crystal material, including workbench 1, support 2, drive air pump 3, temperature control structure 4, liquid crystal detection platform 5, screw rod driving frame 6, support seat 7 and monitoring camera 8, wherein: support 2 is fixedly installed at one end of the surface of workbench 1, and drive air pump 3 is fixedly installed on support 2, and the temperature control structure 4 is fixedly installed at one end of drive air pump 3;The liquid crystal detection platform 5 is fixedly installed at one end of temperature control structure 4, and screw rod driving frame 6 is fixedly installed on the surface of workbench 1, and the support seat 7 is slidably installed on screw rod driving frame 6;The monitoring camera 8 is fixedly installed on the surface of support seat 7.

[0024] Temperature control structure 4 includes connecting port 41, gas guide pipe 42, air conditioning system 43 and gas outlet 44, and connecting port 41 is fixedly installed on drive air pump 3, and gas guide pipe 42 is fixedly installed at one end of connecting port 41;The air conditioning system 43 is fixedly installed at one end of gas guide pipe 42, and is fixedly installed on the surface of workbench 1;The gas outlet 44 is fixedly installed on one side of air conditioning system 43, and is connected with liquid crystal detection platform 5.

[0025] Liquid crystal detection platform 5 includes temperature guide pipe 51, placement point 52, liquid crystal placement pipe 53, temperature measurement point 54 and temperature sensor 55, and temperature guide pipe 51 is fixedly installed at one end of temperature control structure 4, and placement point 52 is fixedly installed above temperature guide pipe 51;The liquid crystal placement pipe 53 is slidably installed in the inside of placement point 52, and the temperature measurement point 54 is fixedly installed below temperature guide pipe 51, and the temperature sensor 55 is installed in the inside of temperature measurement point 54.

[0026] The air conditioning system 43 in temperature control structure 4 adopts a group of small air conditioners, and the air conditioning system 43 can heat or cool the gas generated from drive air pump 3, and the gas outlet 44 can conduct the heated or cooled gas into the inside of liquid crystal detection platform 5, and discharge it from the other end of liquid crystal detection platform 5.

[0027] The temperature guide pipe 51 inside the liquid crystal detection platform 5 adopts a transparent glass pipe, and the size of the placement point 52 matches the liquid crystal placement tube 53. The liquid crystal placement tube 53 adopts a transparent glass test tube, and the inside of the test tube is placed with the liquid crystal to be detected. The lower end of the liquid crystal placement tube 53 is suspended inside the temperature guide pipe 51 after being inserted into the placement point 52. The temperature sensor 55 adopts several, and the position matches the installation position of the liquid crystal placement tube 53.

[0028] The internal structure material of the device is selected to focus on high temperature resistance, corrosion resistance, transparency and mechanical strength. The workbench 1, support 2 and screw drive frame 6 are usually made of aluminum alloy or stainless steel to ensure stability and bearing capacity. The liquid crystal detection platform 5 uses transparent glass or acrylic resin to provide good observation conditions. The air guide pipe 42 and the temperature guide pipe 51 use high-temperature-resistant silicone, stainless steel or PTFE materials to ensure stable air flow transmission. The temperature sensor 55 uses a stainless steel shell, and the RTD or thermocouple sensor is embedded to provide accurate temperature monitoring. The liquid crystal placement tube 53 is made of transparent glass or plastic, which has good transparency and heat resistance; the driving air pump 3 selects a vacuum pump or a small gas transmission pump, such as KNF, Leybold and other small gas pumps. The monitoring camera 8 selects an industrial camera, such as Basler or FLIR high-resolution machine vision camera, to monitor the optical performance of the liquid crystal material. The air conditioning system 43 in the temperature control system 4 provides gas temperature control function by a small air conditioner. The control part of the whole device uses Siemens S7-1200 series or Schneider M241 PLC control system to realize accurate control and data acquisition of the air pump, air conditioning system and temperature sensor. Through the comprehensive selection of these materials and electrical equipment, the stable operation of the device at different temperatures is ensured, and the performance test of the liquid crystal material is effectively carried out.

[0029] The use process of the device includes preparation, liquid crystal material placement, system startup, temperature test, data recording and analysis, and end test. First, the user checks the device, such as the workbench 1, support 2, liquid crystal detection platform 5, screw drive frame 6, temperature control structure 4, etc., and sets the temperature control requirements to ensure that each part works normally. Then, place the liquid crystal material to be tested in the liquid crystal placement tube 53, start the driving air pump 3 and the air conditioning system 43, adjust the air temperature, and control the temperature range. The temperature sensor 55 monitors the temperature change in real time, and the monitoring camera 8 takes pictures of the state of the liquid crystal material to record its performance at different temperatures. After the test is completed, the device stops running, the liquid crystal material is taken out, and the data is analyzed to obtain the performance change of the liquid crystal material under different temperature conditions. Through this process, the device can effectively test the performance of the liquid crystal material to support its research and application.

[0030] The technical scheme of the utility model, or the technical scheme inspired by the technical scheme of the utility model, designs similar technical scheme, and achieves the above technical effect, and all falls into the protection range of the utility model.

Claims

1. A testing device for liquid crystal materials, characterized in that: The device includes a workbench (1), a bracket (2), a drive air pump (3), a temperature control structure (4), a liquid crystal detection platform (5), a screw drive frame (6), a support base (7), and a monitoring camera (8). The bracket (2) is fixedly installed on one end of the surface of the workbench (1), and the drive air pump (3) is fixedly installed on the bracket (2). The temperature control structure (4) is fixedly installed on one end of the drive air pump (3). The liquid crystal detection platform (5) is fixedly installed on one end of the temperature control structure (4), and the screw drive frame (6) is fixedly installed on the surface of the workbench (1). The support base (7) is slidably installed on the screw drive frame (6). The monitoring camera (8) is fixedly installed on the surface of the support base (7).

2. The testing equipment for liquid crystal materials as described in claim 1, characterized in that: The temperature control structure (4) includes a connection port (41), a duct (42), an air conditioning system (43), and an air outlet (44). The connection port (41) is fixedly installed on the drive air pump (3), and the duct (42) is fixedly installed at one end of the connection port (41). The air conditioning system (43) is fixedly installed at one end of the duct (42) and is fixedly installed on the surface of the workbench (1). The air outlet (44) is fixedly installed on one side of the air conditioning system (43) and connected to the liquid crystal detection station (5).

3. The testing equipment for liquid crystal materials as described in claim 1, characterized in that: The liquid crystal detection stage (5) includes a temperature-conducting pipe (51), a placement point (52), a liquid crystal placement tube (53), a temperature measuring point (54), and a temperature sensor (55). The temperature-conducting pipe (51) is fixedly installed at one end of the temperature control structure (4), and the placement point (52) is fixedly installed above the temperature-conducting pipe (51). The liquid crystal placement tube (53) is slidably installed inside the placement point (52), and the temperature measuring point (54) is fixedly installed below the temperature-conducting pipe (51). The temperature sensor (55) is installed inside the temperature measuring point (54).

4. The testing equipment for liquid crystal materials as described in claim 2, characterized in that: The air conditioning system (43) inside the temperature control structure (4) uses a small air conditioner, and the air conditioning system (43) can heat or cool the gas generated from the driving air pump (3). The air outlet (44) can conduct the heated or cooled gas into the interior of the liquid crystal detection stage (5) and exhaust it outward from the other end of the liquid crystal detection stage (5).

5. The testing equipment for liquid crystal materials as described in claim 3, characterized in that: The temperature-conducting pipe (51) inside the liquid crystal detection stage (5) is a transparent glass pipe, and the size of the placement point (52) matches the liquid crystal placement tube (53). The liquid crystal placement tube (53) is a transparent glass test tube, and the liquid crystal to be detected is placed inside it. After the liquid crystal placement tube (53) is inserted into the placement point (52), its lower end is suspended inside the temperature-conducting pipe (51). Several temperature sensors (55) are used, and their positions match the installation positions of the liquid crystal placement tube (53).

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