Constant-humidity constant-temperature box for polaroid

Abstract

The utility model relates to the field of constant-humidity constant-temperature boxes, in particular to a constant-humidity constant-temperature box for polaroids, which comprises a box body and a controller arranged on the box body, a detection chamber is formed in the box body, a constant-temperature mechanism and a constant-humidity mechanism are arranged in the box body, and a material rack for placing the polaroids is connected in the detection chamber through a support frame. An air guide cavity is formed in the box body, the air guide cavity is communicated and connected with the detection chamber through an air guide notch, the side face of the air guide cavity is connected with a gas filter through a connecting pipeline, a filtering assembly is arranged in the gas filter, and the gas filter is connected with an air blower through an air inlet pipeline; the air guide cavity, the air guide notch, the air filter and the air blower which are arranged in the box body form an efficient air circulation and filtering channel, so that external air is sucked in by the air blower and is filtered by the air filter, and the accuracy and the reliability of a test result are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of constant humidity thermostat, concretely relates to a constant humidity thermostat for polaroid. BACKGROUND

[0002] As a high-precision experimental equipment, the constant humidity thermostat plays a crucial role in many fields. It has a wide range of applications, including but not limited to LED optics, medical industry, food industry, daily chemical industry, electronic materials, 5G communication, instrument equipment, automobile manufacturing, plastic products, metal materials, batteries, and new energy technology. The full name of polaroid is polarized light sheet. The imaging of liquid crystal display must rely on polarized light. All liquid crystals have two polarized light sheets tightly attached to the liquid crystal glass. With the increasing demand for the quality of polaroid, the polaroid is usually tested for heat resistance, cold resistance, dry resistance, and humidity resistance in various environments before use.

[0003] The existing constant humidity thermostat mainly consists of a refrigeration system, a heating system, a humidity system, a control system, and a sensor system. The refrigeration system realizes accurate temperature control through a compressor, a condenser, a throttling mechanism, and an evaporator, and is divided into two relatively independent systems: high-temperature and low-temperature. The heating system uses high-power resistance wires to ensure that the test chamber can quickly heat up to the set temperature, and a heater is also provided on the bottom plate to maintain uniform temperature inside the chamber. The humidity system is divided into two subsystems: humidification and dehumidification, which realize stable humidity inside the chamber through precise control. The control system and sensors are used for real-time control and adjustment.

[0004] However, despite the widespread application of existing constant humidity thermostats in various fields, there are still some defects. The existing constant humidity thermostat is provided with an air circulation system to circulate cold air and hot air in the detection chamber. However, the existing air circulation system generally directly sets a centrifugal fan to drive the circulation of air, and the external air is generally directly circulated and used, which makes it easy to carry external dust into the detection chamber, thereby affecting the test of the polaroid, and the dust in the circulating gas is easy to adhere to the surface of the polaroid, affecting the cleanliness of the polaroid and the detection chamber and the stability of the test. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the above defects and provide a constant humidity thermostat for polaroid to solve the technical problem of simple structure of the air circulation of the test chamber in the above background technology, which makes it easy for external dust to enter the detection chamber and adhere to the surface, thereby affecting the stability of the test.

[0006] The utility model is achieved by the following way:

[0007] The utility model provides a kind of constant humidity constant temperature box for polarizer, including cabinet and the controller being set on cabinet, the side of cabinet is connected with openable cabinet door, the inside of cabinet is formed with detection chamber for detecting polarizer, constant temperature mechanism for constant temperature test and constant humidity mechanism for constant humidity test are provided in the cabinet, the detection chamber is connected with the rack for placing polarizer by support frame, the inside of cabinet is formed with air guide cavity, air guide cavity is communicated with detection chamber by air guide slot, air guide cavity is connected with gas filter by connecting pipeline on the side, the inside of gas filter is provided with filter assembly for filtering gas, and gas filter is connected with air blower by air inlet pipeline, air blower is installed in cabinet, the side of cabinet is provided with vent hole communicated with outside, and the air inlet end of air blower extends to vent hole.

[0008] Further in the above description, the detection chamber is provided with an air outlet slot, the inside of the cabinet is formed with an air outlet cavity, and the cabinet is provided with an air outlet hole communicated with the air outlet cavity.

[0009] Specifically, the air outlet cavity and the air guide cavity are arranged to form a gas circulation in the detection chamber, thereby improving the constant temperature and humidity control in the detection chamber.

[0010] Further in the above description, the top of the cabinet is provided with an air exhaust cover, which is detachably arranged on the air outlet hole.

[0011] The air exhaust cover is arranged to further prevent dust from entering the air outlet cavity, thereby affecting the cleanliness and detection effect of the detection chamber.

[0012] Further in the above description, the air guide cavity is communicated with the connecting pipeline, and a diffusion fan is arranged in the air guide cavity to accelerate the delivery of gas to the air guide slot.

[0013] The diffusion fan is arranged to further accelerate the circulation of filtered gas to the detection chamber, thereby allowing adjustment according to needs.

[0014] Optionally, under the use of the constant temperature mechanism, the diffusion fan is driven to enhance the uniform diffusion of hot air, thereby further improving the constant temperature control effect.

[0015] Further in the above description, the filter assembly includes a filter element and two filter screens, the two filter screens are installed in the gas filter, the filter element is installed in the inside of the gas filter, and the filter element is arranged between the two filter screens.

[0016] The filter assembly is arranged to filter the external air, thereby reducing the direct entry of dust or foreign matter into the detection chamber, improving the cleanliness of the detection chamber and the subsequent detection stability.

[0017] Further in the above description, the constant temperature mechanism comprises a heating pipe and a plurality of heat dissipation fins, the heating pipe is connected with the plurality of heat dissipation fins in series and is electrically connected with the controller, the constant temperature mechanism is installed in the detection chamber, the detection chamber is provided with a partition plate, the partition plate is provided with a plurality of heat dissipation holes, and the heat dissipation fins are installed on the inner wall of the detection chamber close to the air guide groove.

[0018] Further in the above description, the inner wall of the detection chamber is connected with a temperature sensor and a humidity sensor for detecting temperature and humidity.

[0019] The utility model discloses a beneficial effect: the material frame of support frame connection in the detection chamber provides the stable platform for the placement of polaroid, and the air guide cavity, air guide groove, gas filter and air blower in the box form the efficient gas circulation and filtration channel, make it from air blower inhale the external air and carry out filtration processing through the gas filter, thereby reduce the dust of outside to enter the detection chamber, make the filtered gas through the connecting pipeline and send into the air guide cavity, and send into the detection chamber through the air guide groove, improve the air circulation efficiency, and effectively remove the dust, particle and other impurities in circulating air through the gas filter arranged, guarantee the cleanliness of the air in the detection chamber, avoid the interference of pollutant to polaroid test result simultaneously, thereby improve the accuracy and reliability of test result. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the perspective view of this embodiment;

[0021] Figure 2 It is the internal structure schematic view of this embodiment;

[0022] Figure 3 It is the side view of this embodiment;

[0023] Figure 4 It is Figure 3 the section view of A-A;

[0024] Figure 5 It is Figure 3 the section view of B-B;

[0025] The reference signs in the drawing are as follows: 1-box, 2-controller, 3-cabinet door, 4-detection chamber, 5-constant humidity mechanism, 6-support frame, 7-material frame, 8-air guide cavity, 9-air guide groove, 10-connecting pipeline, 11-gas filter, 12-air inlet pipeline, 13-air blower, 14-ventilation hole, 15-air outlet groove, 16-air outlet cavity, 17-air outlet hole, 18-exhaust hood, 19-diffusion fan, 20-filter element, 21-filter screen, 22-heating pipe, 23-heat dissipation fin, 24-partition plate, 25-heat dissipation hole. DETAILED DESCRIPTION

[0026] The utility model will be described further in detail below in combination with the drawings and specific embodiments.

[0027] In this embodiment, refer to Figures 1-5 A constant humidity and temperature box for polarizing plates, which is specifically implemented, comprises a box body 1, a controller 2 arranged on the box body 1, a cabinet door 3 arranged on the side of the box body 1 and capable of being opened and closed, a detection chamber 4 formed in the box body 1 and used for detecting polarizing plates, a constant temperature mechanism used for constant temperature test and a constant humidity mechanism 5 used for constant humidity test arranged in the box body 1, a rack 7 used for placing polarizing plates and connected to the detection chamber 4 through a support frame 6, an air guide cavity 8 formed in the box body 1, the air guide cavity 8 being in communication with the detection chamber 4 through an air guide slot 9, a gas filter 11 connected to the side of the air guide cavity 8 through a connecting pipeline 10, a filter assembly arranged in the gas filter 11 and used for filtering gas, a blower 13 connected to the gas filter 11 through an air inlet pipeline 12, the blower 13 being installed in the box body 1, a ventilation hole 14 formed in the side of the box body 1 and in communication with the outside, and the air inlet end of the blower 13 extending to the ventilation hole 14.

[0028] An air outlet slot 15 is arranged on the detection chamber 4 and in communication with the outside, an air outlet cavity 16 is formed in the box body 1, an air outlet hole 17 is formed in the box body 1 and in communication with the air outlet cavity 16, and the air outlet slot 15 is in communication connection with the air outlet cavity 16.

[0029] Specifically, the air outlet cavity 16 and the air guide cavity 8 are arranged to form gas circulation into and out of the detection chamber 4, thereby improving the constant temperature and humidity control and adjustment of the inside of the detection chamber 4. The air outlet cover 18 is further arranged to prevent dust from the outside from entering the air outlet cavity 16, thereby affecting the cleanliness and detection effect of the detection chamber 4.

[0030] The air guide cavity 8 is in communication connection with the connecting pipeline 10, and a diffusion blower 19 is arranged in the air guide cavity 8 and used for accelerating the delivery of gas to the air guide slot 9. The diffusion blower 19 is further arranged to accelerate the circulation of filtered gas to the detection chamber 4, thereby allowing the use to be adjusted according to the needs.

[0031] In some embodiments, the diffusion blower 19 is adjusted and controlled according to the air circulation needs, and the diffusion blower 19 is driven to enhance the uniform diffusion of hot air, thereby further improving the constant temperature control effect.

[0032] The filter assembly comprises a filter core 20 and two filter screens 21, the filter core 20 is arranged in the gas filter 11, and the filter core 20 is arranged between the two filter screens 21. The filter assembly is arranged to filter the external air introduced thereby, so as to reduce the dust or foreign matter from the outside to directly enter the detection chamber 4, and improve the cleanliness of the detection chamber 4 and the subsequent detection stability.

[0033] The constant temperature mechanism comprises a heating pipe 22 and a plurality of heat dissipation fins 23, the heating pipe 22 is connected with the plurality of heat dissipation fins 23 in series, and the constant temperature mechanism is electrically connected with the controller 2. The constant temperature mechanism is arranged in the detection chamber 4, the detection chamber 4 is provided with a partition plate 24, the partition plate 24 is provided with a plurality of heat dissipation holes 25, and the heat dissipation fins 23 are arranged on the inner wall of the detection chamber 4 close to the air guide slot 9. The inner wall of the detection chamber 4 is connected with a temperature sensor and a humidity sensor for detecting the temperature and humidity.

[0034] The specific use process in the embodiment is as follows:

[0035] The polaroid is placed on the material rack 7, the control cavity is electrically connected with the diffusion fan 19 and the air blower 13, the air guide cavity 8, the air guide slot 9, the gas filter 11 and the air blower 13 arranged in the box body 1 form a high-efficiency gas circulation and filtration channel, so that the external air is sucked in by the air blower 13 from the air inlet end, and is introduced into the gas filter 11 through the air inlet pipeline 12, so that the gas passes through the filter core 20 and the filter screen 21 for filtration treatment, thereby reducing the dust from the outside into the detection chamber 4, the filtered gas is sent into the air guide cavity 8 through the connecting pipeline 10, the diffusion fan 19 is driven to accelerate the introduction of the gas, so that the filtered gas is sent into the detection chamber 4 through the air guide slot 9, the air circulation efficiency is improved, the gas filter 11 is arranged to effectively remove dust, particles and other impurities in the circulating air, so as to ensure the cleanliness of the air in the detection chamber 4, the air is discharged through the air outlet slot 15, thereby avoiding the interference of the pollutants on the test result of the polaroid, and improving the accuracy and reliability of the test result.

[0036] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed in the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiment are within the scope of the present application.

Claims

1. A constant humidity and temperature chamber for polarizers, comprising a chamber and a controller mounted on the chamber, a side of the chamber being connected to an openable door, an interior of the chamber forming a testing chamber for testing polarizers, and a constant temperature mechanism for constant temperature testing and a constant humidity mechanism for constant humidity testing, characterized in that: The detection chamber is connected with a support frame for placing a polaroid through the support frame, a wind guide cavity is formed in the box, the wind guide cavity is communicated with the detection chamber through a wind guide slot, a gas filter is connected with the side of the wind guide cavity through a connecting pipeline, a filter assembly for filtering gas is arranged in the gas filter, an air blower is connected with the gas filter through an air inlet pipeline, the air blower is installed in the box, a ventilation hole is formed in the side of the box and communicated with the outside, and the air inlet end of the air blower extends to the ventilation hole.

2. The constant-humidity constant-temperature chamber for a polarizing plate according to claim 1, characterized by: The detection chamber is connected with a support frame for placing a polaroid through the support frame, a wind guide cavity is formed in the box, the wind guide cavity is communicated with the detection chamber through a wind guide slot, a gas filter is connected with the side of the wind guide cavity through a connecting pipeline, a filter assembly for filtering gas is arranged in the gas filter, an air blower is connected with the gas filter through an air inlet pipeline, the air blower is installed in the box, a ventilation hole is formed in the side of the box and communicated with the outside, and the air inlet end of the air blower extends to the ventilation hole.

3. The constant-humidity constant-temperature chamber for a polarizing plate according to claim 2, characterized by: The top of the box is provided with an exhaust cover which is detachably arranged on the air outlet hole.

4. The constant-humidity constant-temperature chamber for a polarizing plate according to claim 1, characterized by: The wind guide cavity is communicated with the connecting pipeline, and a diffusion fan for accelerating the delivery of gas to the wind guide slot is arranged in the wind guide cavity.

5. The constant-humidity and constant-temperature chamber for a polarizing plate according to any one of claims 1 to 4, characterized by: The filter assembly comprises a filter core and two filter screens, the two filter screens are installed in the gas filter, the filter core is installed in the gas filter, and the filter core is arranged between the two filter screens.

6. The constant-humidity and constant-temperature chamber for a polarizing plate according to any one of claims 1 to 4, characterized by: The constant temperature mechanism comprises a heating pipe and a plurality of heat dissipation fins, the heating pipe and the heat dissipation fins are connected in series and electrically connected with the controller, the constant temperature mechanism is installed in the detection chamber, a partition plate is arranged in the detection chamber, the partition plate is provided with a heat dissipation hole, and the heat dissipation fins are installed on the inner wall of the detection chamber close to the wind guide slot.

7. The constant-humidity and constant-temperature chamber for a polarizing plate according to any one of claims 1 to 4, characterized by: The inner wall of the detection chamber is connected with a temperature sensor and a humidity sensor for detecting temperature and humidity.

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