CN213611419U

CN213611419U - High-precision constant-temperature constant-humidity machine

Info

Publication number: CN213611419U
Application number: CN202021732299.7U
Authority: CN
Inventors: 李后明; 李葵
Original assignee: Shanghai Shiteng Electric Appliance Co ltd
Current assignee: Shanghai Shiteng Electric Appliance Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-07-06
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a constant temperature and humidity machine technical field just discloses a high accuracy constant temperature and humidity machine, including constant temperature and humidity rack, constant temperature and humidity rack includes work machine case unit and proof box unit, and the proof box unit is located the top of work machine case unit, the inside of proof box unit is provided with the test chamber, and is provided with rubber all around of test chamber and bordures, the inside of test chamber is provided with the sample frame. This high accuracy constant temperature and humidity machine can separate air and moisture through vapour and liquid separator, and the moisture temperature of retrieving is lower can supply for refrigerating unit or humidifier subassembly and carry out reuse, and the air of separating then can select according to the experimental condition of difference, if the separation is hot-air, the user can select directly to discharge the air, can transmit the cold volume in the cold air for the inspiratory outside air of compressor through the heat exchanger, thereby make inspiratory air hypothermia, can reduce refrigerating unit's consumption like this.

Description

High-precision constant-temperature constant-humidity machine

Technical Field

The utility model relates to a constant temperature and humidity machine technical field specifically is a high accuracy constant temperature and humidity machine.

Background

The constant temperature and humidity test box has the following functions: the device for detecting the performance of the material in various environments and testing the heat resistance, cold resistance, dry resistance and moisture resistance of various materials is necessary testing equipment in the fields of aviation, automobiles, household appliances, scientific research and the like, and is used for testing and determining parameters and performances of electricians, electronics and other products and materials after the temperature environment changes in high temperature, low temperature, alternating humidity and heat or constant test.

However, the conversion process of the existing constant temperature and humidity test box between humidity and temperature consumes very large resources, and the energy recovery and conversion can not be realized, so that the energy consumption is improved, the resources are wasted, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high accuracy constant temperature and humidity machine possesses the self-loopa supply operation that realizes energy conversion, reduces advantages such as energy loss in the at utmost, has solved the conversion process of current constant temperature and humidity proof box between humidity and temperature and can consume very big resource, can't realize the problem of the recovery conversion of the energy moreover.

(II) technical scheme

For the self-loopa supply operation of realizing above-mentioned energy conversion, reduce energy loss's purpose in the at utmost, the utility model provides a following technical scheme: the utility model provides a high accuracy constant temperature and humidity machine, includes constant temperature and humidity rack, constant temperature and humidity rack includes work machine case unit and proof box unit, and the proof box unit is located the top of work machine case unit, the inside of proof box unit is provided with the test chamber, and is provided with rubber all around of test chamber and bordures, the inside in test chamber is provided with the sample frame, and the sample frame passes through the draw-in groove with the test chamber and is connected, the both sides in test chamber all are provided with the electrical heating pipe fitting, and the electrical heating pipe fitting extends to the inside in test chamber, the top in test chamber is provided with the humidifier subassembly, the inboard in test chamber is provided with interior exhaust fan, and interior exhaust fan passes through the draw-in groove with the test chamber and is connected, interior exhaust fan's both sides all are provided with the refrigeration wind window, and the refrigeration wind window.

Preferably, an air exhaust pipe orifice is arranged inside the work case unit, a gas-liquid separator is arranged below the air exhaust pipe orifice, and the air exhaust pipe orifice is connected with the gas-liquid separator and the outer exhaust fan through flanges.

Preferably, a heat exchanger is arranged below the gas-liquid separator, the gas-liquid separator is connected with the heat exchanger and an outer exhaust fan through a three-way valve, and the outer exhaust fan is connected with the constant temperature and humidity cabinet through screws.

Preferably, one side of heat exchanger is provided with the compressor, the top of compressor is provided with the condenser, and the compressor passes through the pipe connection with heat exchanger and condenser, the top of condenser is provided with the evaporimeter, and evaporimeter and condenser and air-supply line mouth pass through the pipe connection, the evaporimeter passes through the air inlet mouth of pipe and is connected with the refrigeration wind window.

Preferably, the outer surface of the test box unit is provided with a sealed cabinet door, the sealed cabinet door is rotatably connected with the constant temperature and humidity cabinet through a hinge, the outer surface of the sealed cabinet door is provided with vacuum glass, and one side of the sealed cabinet door is provided with a cabinet door locking piece.

Preferably, the top of the constant temperature and humidity cabinet is provided with a water tank, the water tank is connected with the humidifier component through a pipeline, and the outer surface of the working case unit is provided with a display screen control component.

Compared with the prior art, the utility model provides a high accuracy constant temperature and humidity machine possesses following beneficial effect:

the high-precision constant temperature and humidity machine is characterized in that an exhaust pipe opening is formed in the lower portion of a test chamber and connected with an inner exhaust fan, a group of gas-liquid separators are arranged below the exhaust pipe opening, air and moisture can be separated through the gas-liquid separators, the recovered moisture can be supplied to a refrigerating unit or a humidifier component for reuse due to low temperature, the separated air can be selected according to different test conditions, if the separated air is hot air, a user can select to directly exhaust the air, and the separated air is cold air and can be discharged into a heat exchanger for cold-heat conversion operation, cold energy in the cold air can be transmitted to external air sucked by a compressor through the heat exchanger, so that the temperature of the sucked air is reduced, and the power consumption of the refrigerating unit can be reduced.

Drawings

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

FIG. 2 is an overall side view of the present invention;

fig. 3 is a schematic view of the whole internal structure of the present invention.

Wherein: 1. a constant temperature and humidity cabinet; 2. a work machine case unit; 3. a test box unit; 4. a cabinet door lock; 5. a display screen control component; 6. a water tank; 7. sealing the cabinet door; 8. vacuum glass; 9. rubber wrapping; 10. a test chamber; 11. electrically heating the pipe; 12. a humidifier component; 13. a sample rack; 14. a refrigeration air window; 15. an inner exhaust fan; 16. an air exhaust pipe orifice; 17. an air inlet pipe orifice; 18. a gas-liquid separator; 19. a heat exchanger; 20. a compressor; 21. a condenser; 22. an evaporator; 23. an outer exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high precision constant temperature and humidity machine includes a constant temperature and humidity cabinet 1, the constant temperature and humidity cabinet 1 includes a working cabinet unit 2 and a test chamber unit 3, the test chamber unit 3 is located above the working cabinet unit 2, a set of refrigerating units is mainly disposed inside the working cabinet unit 2, a test chamber 10 is disposed inside the test chamber unit 3, rubber covered edges 9 are disposed around the test chamber 10 to ensure the sealing performance of the test environment, a test article rack 13 is disposed inside the test chamber 10 for placing articles required for test detection, the test article rack 13 is connected with the test chamber 10 through a clamping groove to facilitate installation and disassembly, electric heating pipes 11 are disposed on both sides of the test chamber 10, the electric heating pipes 11 extend to the inside of the test chamber 10, the electric heating pipes 11 can be heated rapidly after being powered on, so that the temperature inside the test chamber 10 can be raised to achieve the test effect, the top of test chamber 10 is provided with humidifier subassembly 12, humidifier subassembly 12 can increase the air humidity in the test chamber 10 internal test environment, and when needing to reduce humidity, can come the moisture in the evaporation air through the heating of electrical heating pipe fitting 11, or outwards discharge the air that contains moisture through interior exhaust fan 15, the inboard of test chamber 10 is provided with interior exhaust fan 15, and interior exhaust fan 15 passes through the draw-in groove with test chamber 10 and is connected, the both sides of interior exhaust fan 15 all are provided with refrigeration wind window 14, and refrigeration wind window 14 has a plurality ofly, refrigeration wind window 14 can carry the inside of test chamber 10 with the air conditioning that refrigerating unit work produced, reach the required low temperature environment of experiment.

Further, an exhaust duct opening 16 is arranged inside the work case unit 2, a gas-liquid separator 18 is arranged below the exhaust duct opening 16, the gas-liquid separator 18 can separate air from moisture, the temperature of the recovered moisture is low, the recovered moisture can be supplied to the refrigerating unit or the humidifier component 12 for reuse, the separated air can be selected according to different test conditions, if the separated air is hot air, a user can select to directly discharge the air, and if the separated air is cold air, the separated air can be discharged into a heat exchanger 19 for cold-heat conversion operation, and the exhaust duct opening 16 is connected with the gas-liquid separator 18 and an exhaust fan 23 through flanges.

Further, a heat exchanger 19 is arranged below the gas-liquid separator 18, the heat exchanger 19 can transfer cold energy in cold air to external air sucked by the compressor 20, so that the temperature of the sucked air is reduced, power consumption of the refrigerating unit can be reduced, the gas-liquid separator 18 is connected with the heat exchanger 19 and an outer exhaust fan 23 through a three-way valve, the outer exhaust fan 23 is connected with the constant temperature and humidity cabinet 1 through screws, and gas separated by the gas-liquid separator 18 can be discharged outwards by the outer exhaust fan 23.

Further, a compressor 20 is arranged on one side of the heat exchanger 19, a condenser 21 is arranged above the compressor 20, the compressor 20 is connected with the heat exchanger 19 and the condenser 21 through pipelines, an evaporator 22 is arranged above the condenser 21, the evaporator 22 is connected with the condenser 21 and the air inlet pipe orifice 17 through pipelines, the evaporator 22 is connected with the refrigeration air window 14 through the air inlet pipe orifice 17, and the principle of the position is the same as that of the refrigeration principle of an air conditioner.

Further, the surface of proof box unit 3 is provided with sealed cabinet door 7, provides a relative sealed test environment, and sealed cabinet door 7 passes through the hinge rotation with constant temperature and humidity rack 1 and is connected, and the surface of sealed cabinet door 7 is provided with vacuum glass 8, makes things convenient for the staff to survey the test process from the outside, and one side of sealed cabinet door 7 is provided with cabinet door latch fitting 4.

Further, a water tank 6 is arranged at the top of the constant temperature and humidity cabinet 1, the water tank 6 is connected with the humidifier component 12 through a pipeline, a display screen control component 5 is arranged on the outer surface of the working cabinet unit 2, and the refrigeration inside the working cabinet unit 2 and the operation of the heat exchange unit can be controlled through the display screen control component 5.

When in use, articles required for test detection are placed on a test article rack 13 in a test chamber 10, then a sealing cabinet door 7 is closed, electric heating pipe fittings 11 are arranged on two sides of the test chamber 10, the electric heating pipe fittings 11 can be rapidly heated after being electrified, so that the temperature in the test chamber 10 can be raised to achieve a test effect, then the air humidity in the test environment in the test chamber 10 can be increased through a humidifier component 12 on the top of the test chamber 10, when the humidity needs to be reduced, the moisture in the air can be evaporated through the heating of the electric heating pipe fittings 11, or the air containing the moisture is discharged outwards through an inner exhaust fan 15, an exhaust pipe orifice 16 is arranged below the test chamber 10, the exhaust pipe orifice 16 is connected with the inner exhaust fan 15, a group of gas-liquid separators 18 is arranged below the exhaust pipe orifice 16, and the air and the moisture can be separated through the gas-liquid separators 18, the temperature of the recovered moisture is low, the recovered moisture can be supplied to a refrigerating unit or the humidifier component 12 for reuse, the separated air can be selected according to different test conditions, if the separated air is hot air, a user can select to directly discharge the air, and the separated air is cold air, the separated air can be discharged into the heat exchanger 19 for cold-heat conversion operation, after cold air enters the heat exchanger 19, the heat exchanger 19 can transmit cold energy in the cold air to external air sucked by the compressor 20, so that the temperature of the sucked air is reduced, and the power consumption of the refrigerating unit can be reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy constant temperature and humidity machine, includes constant temperature and humidity rack (1), its characterized in that: the constant temperature and humidity cabinet (1) comprises a working cabinet unit (2) and a test box unit (3), the test box unit (3) is located above the working cabinet unit (2), a test chamber (10) is arranged inside the test box unit (3), rubber covered edges (9) are arranged on the periphery of the test chamber (10), a test article frame (13) is arranged inside the test chamber (10), the test article frame (13) is connected with the test chamber (10) through a clamping groove, electric heating pipe fittings (11) are arranged on two sides of the test chamber (10), the electric heating pipe fittings (11) extend to the inside of the test chamber (10), a humidifier component (12) is arranged at the top of the test chamber (10), an inner exhaust fan (15) is arranged on the inner side of the test chamber (10), the inner exhaust fan (15) is connected with the test chamber (10) through a clamping groove, and refrigerating air windows (14) are arranged on two sides of the inner exhaust fan (15), and a plurality of refrigeration air windows (14) are provided.

2. The high-precision constant temperature and humidity machine as claimed in claim 1, wherein: an air exhaust pipe orifice (16) is arranged in the working case unit (2), a gas-liquid separator (18) is arranged below the air exhaust pipe orifice (16), and the air exhaust pipe orifice (16) is connected with the gas-liquid separator (18) and an outer exhaust fan (23) through flanges.

3. The high-precision constant temperature and humidity machine as claimed in claim 2, wherein: a heat exchanger (19) is arranged below the gas-liquid separator (18), the gas-liquid separator (18) is connected with the heat exchanger (19) and an outer exhaust fan (23) through a three-way valve, and the outer exhaust fan (23) is connected with the constant temperature and humidity cabinet (1) through screws.

4. The high-precision constant temperature and humidity machine as claimed in claim 3, wherein: one side of heat exchanger (19) is provided with compressor (20), the top of compressor (20) is provided with condenser (21), and compressor (20) and heat exchanger (19) and condenser (21) pass through the pipe connection, the top of condenser (21) is provided with evaporimeter (22), and evaporimeter (22) and condenser (21) and air intake pipe mouth (17) pass through the pipe connection, evaporimeter (22) are connected with refrigeration wind window (14) through air intake pipe mouth (17).

5. The high-precision constant temperature and humidity machine as claimed in claim 1, wherein: the outer surface of the test box unit (3) is provided with a sealing cabinet door (7), the sealing cabinet door (7) is rotatably connected with the constant temperature and humidity cabinet (1) through a hinge, the outer surface of the sealing cabinet door (7) is provided with vacuum glass (8), and one side of the sealing cabinet door (7) is provided with a cabinet door locking piece (4).

6. The high-precision constant temperature and humidity machine as claimed in claim 1, wherein: the top of constant temperature and humidity rack (1) is provided with water tank (6), and water tank (6) pass through the pipe connection with humidifier subassembly (12), the surface of work machine case unit (2) is provided with display screen control assembly (5).