CN218446490U

CN218446490U - Glove box temperature control system

Info

Publication number: CN218446490U
Application number: CN202222450556.3U
Authority: CN
Inventors: 李闻哲; 谭子钰; 范建东; 熊晖; 邓家欢
Original assignee: Jinan University
Current assignee: Jinan University
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-02-03
Anticipated expiration: 2032-09-15

Abstract

The utility model belongs to glove box field for the experiment, concretely relates to glove box temperature control system, glove box's box passes through circulating air export, circulating air entry intercommunication heat transfer assembly to form air cycle, be provided with cooling device in the heat transfer assembly, this system need not place the air conditioner evaporation tank and the control circuit that the structure is complicated inside glove box, has reduced the corrosive action of incasement solvent to the system to need not follow the trompil on the glove box, run through the refrigerant pipeline, reduced glove box leakage's risk.

Description

Glove box temperature control system

Technical Field

The utility model belongs to glove box field for the experiment, concretely relates to glove box temperature control system.

Background

The glove box is laboratory equipment which fills high-purity inert gas into a box body and circularly filters active substances in the box body, and is also called a vacuum glove box, an inert gas protection box and the like.

The perovskite solar cell is mainly prepared by a solution wet process, and has the characteristics of low cost and simple and convenient preparation, so that people pay attention to the perovskite solar cell. Solution film forming is mainly carried out in an inert atmosphere which is mainly realized by a glove box, but the film forming temperature is crucial to the film forming quality of a film, and constant-temperature preparation of the glove box by additionally arranging a temperature control device at the later stage is one of main ways for improving the film quality and the device performance.

At present, the temperature control mode of the glove box is mainly realized by a small air conditioner in a box body. Firstly, a control system of an air conditioner and a copper-aluminum heat exchanger system can be damaged by high-concentration solvent and corrosive gas in a box body; secondly, a refrigerant pipeline and a power line penetrate through the box body, and the risk of air leakage exists along with the prolonging of the service life; thirdly, the vibration of a compressor at the rear part in the box can generate certain influence on the film preparation environment; finally, the original air flow direction in the box body can be influenced by the wind direction of the air conditioner, and further the film forming is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a glove box temperature control system to solve the shortcoming among the prior art.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that:

a box body of the glove box is communicated with a heat exchange assembly through a circulating air outlet and a circulating air inlet so as to form air circulation, and a cooling device is arranged in the heat exchange assembly.

Furthermore, the heat exchange assembly comprises a heat insulation shell, and the cooling end of the cooling device is positioned in the heat insulation shell.

Furthermore, the cooling device is a water cooling system, and a cooling end of the cooling device is a cooling pipeline.

Furthermore, a plurality of heat exchangers are inserted into the heat-insulating shell, and the heat exchangers are in contact with the cooling pipeline.

Furthermore, the water cooling system also comprises a variable frequency compressor and an evaporator which are connected with the cooling pipeline.

Furthermore, a temperature sensor is arranged in the box body and connected with the cooling device, so that the cooling device can adjust power in real time according to the temperature in the box body.

Further, the temperature sensor is positioned on the glue homogenizing machine in the box body.

Further, the circulating air inlet is communicated with the box body through a gas purification system.

Furthermore, an opening is formed in one side of the box body, the end face of the opening is detachably connected with the protective glass, and a glove hole is formed in the protective glass.

The utility model discloses following beneficial effect has:

(1) The system does not need to place the air-conditioning evaporation box with a complex structure and a control circuit inside the glove box, so that the corrosion of a solvent in the box on the system is reduced.

(2) The opening on the glove box body is not needed, and the refrigerant pipeline is penetrated through, so that the risk of air leakage of the glove box is reduced.

(3) Simple structure is practical, can install under the condition that does not change glove box basic structure, and the installation is simple, and the modularization sets up, and the fault rate is low.

(4) When the gas containing the organic solvent in the box body is cooled by the cooling pipeline, the organic solvent gas can be cooled to be liquid, and the organic solvent gas in the glove box is further reduced.

(5) The whole system is positioned outside the glove box cabin and does not occupy too much space of the glove box.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection relationship of the heat exchange assemblies;

fig. 3 is a schematic diagram of the working principle of the compressor when the power is adjusted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1, in a temperature control system of a glove box, a box body of the glove box is communicated with a heat exchange assembly through a circulating air outlet and a circulating air inlet to form air circulation, and a cooling device is arranged in the heat exchange assembly.

Specifically, the box of glove box has the cavity, is provided with even machine of gluing in its cavity, and circulating air export and circulating air entry are two pipe class parts, with intercommunication box and heat transfer assembly, the air is discharged from the glove box, and enter into in the heat transfer assembly through circulating air entry, the air in the heat transfer assembly enters into in the box through circulating air export, thereby forms air cycle, and when the air is in heat transfer assembly, cooling device cools off to it, thereby realizes the inside cooling of glove box, the purpose of accuse temperature, the utility model discloses an with the external means of cooling device, do not set up in the glove box, thereby need not place the air conditioner evaporation case and the control circuit that the structure is complicated inside the glove box, reduced the corrosive action of incasement solvent to cooling part, and need not follow the trompil on the glove box, run through the refrigerant pipeline, reduced the risk of glove box gas leakage.

In this embodiment, the cooling device may be air-cooled, water-cooled or the like to reduce the temperature of the air in the heat exchange assembly.

Furthermore, the heat exchange assembly comprises a heat preservation shell, and the cooling end of the cooling device is positioned in the heat preservation shell.

Specifically, the heat preservation shell is of a box-shaped structure, and the inside of the heat preservation shell is a closed cavity to prevent gas leakage.

Particularly, the utility model discloses preferred water-cooled mode is provided with the circulating water as best implementation mode in the cooling tube to the realization is carried out the purpose of continuously cooling to the air in the lagging casing.

As shown in fig. 2, further, a plurality of heat exchangers are inserted into the heat-preserving shell, and the heat exchangers are in contact with the cooling pipeline.

Specifically, the heat exchanger can be made of materials such as aluminum alloy and copper, and in the process of contacting with the cooling pipeline, the effect of increasing the contact area is realized, and the heat exchanger is preferably a heat dissipation aluminum alloy sheet and attached to the side surface of the cooling pipeline and in uniform contact with the side surface of the cooling pipeline.

In addition, when concrete implementation, cooling tube accessible lagging casing shell evenly wraps up it, then sheathes the insulation cover with the lagging casing again, and then heat conduction that can be better, when the gas that contains organic solvent in the box cooled through cooling tube, organic solvent gas can cool off and become liquid, and then reduces glove box's organic solvent gas, still is provided with the condensation solvent discharge port in the bottom of lagging casing to the function of the solvent after the realization discharge condensation.

Specifically, the water cooling system is prior art, and including inverter compressor through pipe connection evaporimeter, the evaporimeter passes through capillary tube and connects cooling tube one end, and the cooling tube other end passes through pipe connection inverter compressor to water-cooled purpose.

Specifically, the temperature sensor is connected to the inverter compressor through the inverter controller to achieve the purpose of adjusting the output power of the inverter compressor, the principle of which is shown in fig. 3, if the test temperature of the temperature sensor exceeds the set upper limit temperature, the inverter controller increases the power of the compressor to improve the refrigeration efficiency, and if the test temperature is lower than the lower limit temperature, the power of the compressor is reduced.

When the refrigeration work is carried out, the temperature near the glove box spin coater can be as low as 15 ℃. When the ambient temperature is 30 ℃, the temperature in the glove box can be reduced to 20 ℃ in about 30 minutes. When the ambient temperature is 14 ℃, the temperature in the glove box can be increased to 25 ℃ in about 10 minutes.

Specifically, the spin coater is a device provided in a glove box and is the prior art, and the temperature sensor may be disposed at the side surface and the bottom of a carrying tray of the spin coater and near the carrying tray when implemented.

Specifically, gaseous clean system is inclosed box structure, and its inside can set up parts such as filter screen, dust bag, filter to realize filtering impurity's purpose, and can set up circulating fan in its inside, with the mobility that improves the air, gaseous clean system passes through pipeline intercommunication transition cabin, and the transition cabin is fixed to be set up in the box side, and with the box intercommunication, with the purpose that realizes air buffering, keeping in.

Therefore, the air in the glove box flows in the transition cabin, the gas purification system and the heat exchange assembly in sequence, and finally returns to the box body through the circulating air outlet on the heat exchange assembly.

Specifically, the protective glass can be connected with the box body through screws, and two glove holes are formed in the glove box body and used for installing the gloves inwards.

In addition, the frequency conversion controller can be selected from a frequency conversion controller of HSD5000-0R7G-T4 model of Qingdao Haishida, the voltage is 220V, the power is 0.75KW, and the frequency conversion compressor can be selected from a frequency conversion compressor of Hitachi E405DHD model.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various changes, modifications, amendments, and substitutions made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. A glove box temperature control system characterized in that: the box body of the glove box is communicated with a heat exchange assembly through a circulating air outlet and a circulating air inlet to form air circulation, and a cooling device is arranged in the heat exchange assembly;

the heat exchange assembly comprises a heat-insulating shell, and the cooling end of the cooling device is positioned in the heat-insulating shell;

the cooling device is a water cooling system, and a cooling end of the cooling device is a cooling pipeline;

a plurality of heat exchangers are inserted into the heat-insulating shell, and the heat exchangers are in contact with the cooling pipeline.

2. A glove box temperature control system as claimed in claim 1, wherein: the water cooling system also comprises a variable frequency compressor and an evaporator which are connected with the cooling pipeline.

3. The glove box temperature control system according to any one of claims 1 to 2, wherein: the box body is internally provided with a temperature sensor which is connected with the cooling device so as to adjust the power of the cooling device in real time according to the temperature in the box body.

4. A glove box temperature control system as claimed in claim 3, wherein: the temperature sensor is positioned on the spin coater in the box body.

5. The glove box temperature control system as claimed in claim 1, wherein: the circulating air inlet is communicated with the box body through a gas purification system.

6. A glove box temperature control system as claimed in claim 1, wherein: an opening is formed in one side of the box body, the end face of the opening is detachably connected with the protective glass, and a glove hole is formed in the protective glass.