CN209978529U - Constant temperature and humidity desicator - Google Patents

Abstract

The utility model discloses a constant temperature and humidity dryer, which comprises a cabinet body, a control mechanism, a temperature sensor, a humidity sensor, a nitrogen flowmeter and a dehumidifying device, wherein the temperature sensor and the humidity sensor are arranged inside the cabinet body; the dehumidifying device comprises a liquid nitrogen tank and a heating device, the outlet of the liquid nitrogen tank is communicated with the inlet of a nitrogen flowmeter, the outlet of the nitrogen flowmeter is communicated with the air inlet of the heating device, and the air outlet of the heating device is communicated with the inside of the cabinet body. The control mechanism heats the liquid nitrogen to form dry nitrogen by controlling the heating device, and the dry nitrogen is mixed with the wet air in the cabinet body and then discharged from the pressure balance hole to complete the dehumidification operation; the temperature of dry nitrogen gas is adjustable to the realization is the utility model discloses inside sample is invariable always at target temperature and humidity, and the dehumidification is efficient, need not to dry by the fire appearance processing again moreover, practices thrift manpower and materials.

Description

Constant temperature and humidity desicator

Technical Field

The utility model relates to an experimental analysis technical field, concretely relates to constant temperature and humidity desicator.

Background

At present, most of dryers for storing samples used in industrial field laboratories are glass dryers, only serve as a medium for simply storing samples and being incapable of sequencing the samples, and the samples cannot be stored at a certain temperature and humidity for a long time, so that the functions are single and the effectiveness is low.

The sample process is deposited to traditional desicator puts the sample in the desicator that has silica gel in the bottom, and the sample is put in disorder, seeks the sample difficulty, needs regularly to take out silica gel simultaneously and changes, dry, and this process is loaded down with trivial details, hard, inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a constant temperature and humidity dryer which can store and dry samples, can arrange the samples orderly and can find and arrange the samples conveniently.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a constant temperature and humidity dryer comprises a cabinet body, a control mechanism, a temperature sensor, a humidity sensor, a nitrogen flowmeter and a dehumidifying device, wherein the temperature sensor and the humidity sensor are arranged inside the cabinet body; the dehumidifying device comprises a liquid nitrogen tank and a heating device, the outlet of the liquid nitrogen tank is communicated with the inlet of a nitrogen flowmeter through a pipeline, the outlet of the nitrogen flowmeter is communicated with the air inlet of the heating device through a pipeline, and the air outlet of the heating device is communicated with the inside of the cabinet body.

Particularly, temperature sensor is used for detecting the internal temperature of cabinet, humidity transducer is used for detecting the internal humidity of cabinet, the user can adjust required temperature and humidity through control mechanism, if humidity transducer detects the internal humidity value of cabinet and surpasss the humidity value of setting for, control mechanism starts heating device, heating device heaies up the back according to preset temperature value, the liquid nitrogen in the liquid nitrogen jar enters into the nitrogen gas flowmeter through the pipeline, the user can be through adjusting the nitrogen gas flowmeter with the control volume of liquid nitrogen that lets in heating device, the liquid nitrogen lets in and becomes dry nitrogen gas through heating behind the heating device, then lets in the internal portion of cabinet. After dry nitrogen gas mixes with the internal humid air of cabinet, in order to guarantee that atmospheric pressure is invariable, some mist is discharged from the pressure balance hole to realize the dehumidification of the internal sample of cabinet.

The nitrogen flow meter can control the amount of liquid nitrogen introduced into the heating device, and the more the amount of liquid nitrogen is introduced, the more the heated and dried nitrogen is. The more dry nitrogen amount indicates that more wet air can be mixed with the cabinet, so the control of the amount of liquid nitrogen introduced into the heating device by the nitrogen flow meter can determine the dehumidification speed in the cabinet. And because dry nitrogen gas has certain temperature, enter into the internal portion of cabinet and can make the internal portion of cabinet heat up, the temperature of nitrogen gas is based on heating device's heating temperature, and the temperature of control heating device's temperature can realize the accuse temperature of the internal portion of cabinet. The utility model discloses can realize that the sample is invariable always at target temperature and humidity, need not to dry by the fire appearance again and handles, practices thrift manpower and materials.

Further, the device also comprises a human-computer interaction device, and the human-computer interaction device is connected with the control mechanism. The user can set the specified parameters of temperature and humidity on the human-computer interaction device, and the temperature and humidity in the cabinet body can be displayed on the screen of the human-computer interaction device in real time.

The cabinet body is characterized by further comprising a plurality of interlayer plates and baffles, wherein the interlayer plates are arranged inside the cabinet body, and each interlayer plate is provided with a plurality of airflow holes; the front end of each interlayer plate is vertically hinged with a baffle. The division plates divide the interior of the cabinet body into a plurality of areas, the space for placing samples is increased, the airflow holes in each division plate enable dry nitrogen to flow in the cabinet body, the dry nitrogen is in contact with the samples in each area, and therefore wet air is mixed with the dry nitrogen and then is discharged through the pressure balance holes, and the dehumidification step is completed. When the baffle rotates upwards, the baffle is closed; when the flap is rotated downward, the flap opens and a user can place or remove a sample on the septal plate.

Furthermore, the partition board is further included, and a plurality of partition boards are arranged on each partition board. The sample can be conveniently arranged by subdividing the area on each division plate through the partition plate.

Still further, still include the handle, all be equipped with the handle on every baffle. The handle is arranged to facilitate the user to open or close the baffle.

Furthermore, the handle is made of 316L stainless steel. The 316L stainless steel material has the characteristics of rust prevention and acid-base corrosion prevention, and can prolong the service life of the 316L stainless steel handle.

Still further, still include the pulley, the pulley setting is in the bottom of the cabinet body. The pulley can be convenient the utility model discloses a transport and shift.

The utility model has the advantages of:

1. the control mechanism heats the liquid nitrogen to form dry nitrogen by controlling the heating device, and the dry nitrogen is mixed with the wet air in the cabinet body and then discharged from the pressure balance hole to complete the dehumidification operation; the temperature of the dry nitrogen is adjustable, and the temperature and the humidity in the cabinet body are constantly monitored by combining the temperature sensor and the humidity sensor, so that the sample in the utility model is always kept at the target temperature and humidity, the dehumidification efficiency is high, the sample drying treatment is not needed, and the manpower and material resources are saved;

2. the nitrogen flowmeter is respectively communicated with the liquid nitrogen tank and the heating device, the nitrogen flowmeter is used for controlling the amount of liquid nitrogen introduced into the heating device, and the speed of dehumidification in the cabinet body can be determined by controlling the amount of liquid nitrogen introduced into the heating device by the nitrogen flowmeter;

3. set up the division board and set up the baffle on the division board at cabinet body inside, increased the space area of putting the sample, can also conveniently arrange the sample, can realize looking for the sample fast, labour saving and time saving.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a top view of each of the spacer plates.

Reference numerals:

a cabinet body 1; a heating device 2; a nitrogen gas flow meter 3; a human-computer interaction device 4; a interlayer plate 5; a baffle 6; a partition 7; an airflow hole 8; a handle 9; a pulley 10.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the following embodiments are based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the embodiments.

A constant temperature and humidity dryer is shown in figures 1-2 and comprises a cabinet body 1, a control mechanism, a temperature sensor, a humidity sensor, a nitrogen flowmeter 3 and a dehumidifying device, wherein the temperature sensor and the humidity sensor are arranged inside the cabinet body 1, the dehumidifying device and the nitrogen flowmeter 3 are arranged on the cabinet body 1, and the cabinet body 1 is also provided with a pressure balancing hole; the dehumidifying device comprises a liquid nitrogen tank and a heating device 2, the outlet of the liquid nitrogen tank is communicated with the inlet of a nitrogen flowmeter 3 through a pipeline, the outlet of the nitrogen flowmeter 3 is communicated with the air inlet of the heating device 2 through a pipeline, and the air outlet of the heating device 2 is communicated with the inside of the cabinet body 1.

In this embodiment, the cabinet body 1 is a two-leaf door opening and closing design, and a sample can be taken out or put in by opening the cabinet door.

Particularly, temperature sensor is used for detecting the temperature in the cabinet body 1, humidity transducer is used for detecting the humidity in the cabinet body 1, the user can adjust required temperature and humidity through control mechanism, if humidity transducer detects the humidity value of the internal 1 of cabinet and surpasss the humidity value that sets up, control mechanism starts heating device 2, heating device 2 heats up the back according to preset temperature value, the liquid nitrogen in the liquid nitrogen jar passes through the pipeline and enters into nitrogen gas flowmeter 3, the user can let in the liquid nitrogen volume of heating device 2 with control through adjusting nitrogen gas flowmeter 3, the liquid nitrogen lets in behind heating device 2, the liquid nitrogen becomes dry nitrogen gas through the heating, then let in the inside of the cabinet body 1. After the dry nitrogen gas is mixed with the wet air in the cabinet body 1, in order to ensure constant air pressure, a part of mixed gas is discharged from the pressure balance hole, thereby realizing the dehumidification of the sample in the cabinet body 1.

The nitrogen flow meter 3 can control the amount of liquid nitrogen introduced into the heating device 2, and the more the amount of liquid nitrogen introduced, the more the heated and dried nitrogen gas. The more dry nitrogen amount indicates that more wet air can be mixed with the cabinet 1, so the control of the amount of liquid nitrogen introduced into the heating device 2 by the nitrogen flow meter 3 can determine the dehumidification speed in the cabinet. And because dry nitrogen gas has certain temperature, enter into the internal portion of cabinet and can make the internal portion of cabinet 1 heat up, the temperature of nitrogen gas is based on heating device 2's heating temperature, and the temperature of control heating device 2's temperature can realize the internal portion's of cabinet accuse temperature. The utility model discloses can realize that the sample is invariable always at target temperature and humidity, need not to dry by the fire appearance again and handles, practices thrift manpower and materials.

Further, the device also comprises a human-computer interaction device 4, and the human-computer interaction device 4 is connected with the control mechanism. The user can set the specified parameters of the temperature and the humidity on the human-computer interaction device 4, and the temperature and the humidity inside the cabinet body 1 can be displayed on the screen of the human-computer interaction device 4 in real time.

Still further, as shown in fig. 3, the cabinet also comprises a plurality of interlayer plates 5 and a baffle 6, wherein the plurality of interlayer plates 5 are arranged inside the cabinet body 1, and each interlayer plate 5 is provided with a plurality of airflow holes 8; the front end of each interlayer plate 5 is vertically hinged with a baffle 6. Division board 5 divides into several regions with cabinet body 1 inside, and the space of putting the sample increases, and airflow hole 8 on every division board 5 enables dry nitrogen gas and circulates at cabinet body inside for dry nitrogen gas can contact with the sample on every layer region, thereby makes humid air and dry nitrogen gas mix, discharges by pressure balance hole again, accomplishes the dehumidification step. When the baffle 6 rotates upwards, the baffle 6 is closed; when the shutter 6 is rotated downward, the shutter 6 is opened, and a user can put or take a sample on or from the interlayer sheet 5.

Further, the solar cell panel also comprises a partition plate 7, and a plurality of partition plates 7 are arranged on the partition plate 5. The sample arrangement is facilitated by subdividing the area on each of the division plates 5 by the partitions 7.

Still further, still include handle 9, all be equipped with handle 9 on every baffle 6. The handle 9 is provided to facilitate the user in opening or closing the shutter 6.

Furthermore, the handle 9 is made of 316L stainless steel. The 316L stainless steel material has the characteristics of rust prevention and acid-base corrosion prevention, and can prolong the service life of the 316L stainless steel handle.

Still further, still include pulley 10, pulley 10 sets up in the bottom of cabinet 1. The pulley 10 can facilitate the carrying and transferring of the utility model.

Various corresponding changes and modifications can be made by those skilled in the art according to the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.

Claims (7)

1. A constant temperature and humidity dryer is characterized by comprising a cabinet body, a control mechanism, a temperature sensor, a humidity sensor, a nitrogen flowmeter and a dehumidifying device, wherein the temperature sensor and the humidity sensor are arranged inside the cabinet body; the dehumidifying device comprises a liquid nitrogen tank and a heating device, the outlet of the liquid nitrogen tank is communicated with the inlet of a nitrogen flowmeter through a pipeline, the outlet of the nitrogen flowmeter is communicated with the air inlet of the heating device through a pipeline, and the air outlet of the heating device is communicated with the inside of the cabinet body.

2. The constant temperature and humidity dryer as claimed in claim 1, further comprising a human-computer interaction device, wherein the human-computer interaction device is connected with the control mechanism.

3. The constant temperature and humidity dryer as claimed in claim 1, further comprising a plurality of division plates and a baffle plate, wherein the division plates are arranged inside the cabinet body, and each division plate is provided with a plurality of airflow holes; the front end of each interlayer plate is vertically hinged with a baffle.

4. The constant temperature and humidity dryer as claimed in claim 3, further comprising a plurality of partitions on each partition plate.

5. The constant temperature and humidity dryer as claimed in claim 3, further comprising a handle, wherein each baffle is provided with a handle.

6. The constant temperature and humidity dryer as claimed in claim 5, wherein the handle is made of 316L stainless steel.

7. The constant temperature and humidity dryer as claimed in claim 1, further comprising a pulley disposed at the bottom of the cabinet.

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