CN212215538U

CN212215538U - Energy-saving constant temperature and humidity test box

Info

Publication number: CN212215538U
Application number: CN201922493028.4U
Authority: CN
Inventors: 宁志辉
Original assignee: Guangzhou Aosen Precision Manufacturing Co ltd
Current assignee: Guangzhou Aosen Precision Manufacturing Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-25
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an energy-conserving constant temperature and humidity test box, including the device shell, the upper portion of device shell is provided with the studio, and the upper portion inner wall fixedly connected with temperature sensor and the humidity transducer of studio correspond the left position department fixedly connected with humidifier of studio on the device shell, and the inside fixedly connected with heater strip and the sample frame of studio, the lower part fixedly connected with compressor, cistern, condenser and the water tank of device shell correspond the studio on the device shell outside position and are provided with the heat preservation. The utility model discloses a change the electrical heating formula humidifier into ultrasonic humidifier, become ultramicro particle with water atomization through ultrasonic wave high frequency oscillation for the humidification that the proof box can be more quick when using is to suitable humidity, and the humidification is even simultaneously, has improved the result of use of proof box, makes more accuracy of testing result, more energy-conservation, the power saving of ultrasonic humidifier, and long service life, can not produce the incrustation scale when using.

Description

Energy-saving constant temperature and humidity test box

Technical Field

The utility model relates to a proof box technical field specifically is an energy-conserving constant temperature and humidity proof box.

Background

A constant temperature and humidity test box is also called as a constant temperature and humidity test box, is used for testing the performance of materials under various environments, and testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials, is generally used for testing the quality of products such as electronics, electrical equipment, mobile phones, communication and the like, can regulate the temperature and humidity of the internal environment according to the requirements of operators, and is convenient for controlling the uniformity of the internal temperature and humidity, at present, the existing constant temperature and humidity test box exists when in use, directly achieves the aim of humidification by evaporating water in a water tank when regulating the humidity of the internal environment, has large power consumption and lower safety factor, is inconvenient to clean dirt generated by evaporation on a humidifier, directly does not recycle distilled water generated during testing, causes waste of water resources, and is necessary to improve the prior art, to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an energy-conserving constant temperature and humidity test box has solved the problem that the distilled water that produces when the dirt that humidifier power consumption is big and factor of safety is lower, the humidifier is not convenient for clear up and is experimental directly not have cyclic utilization.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy-conserving constant temperature and humidity test box, includes the device shell, the upper portion of device shell is provided with the studio, the upper portion inner wall fixedly connected with temperature sensor and the humidity transducer of studio, correspond the left position department fixedly connected with humidifier of studio on the device shell, the inside fixedly connected with heater strip and the sample frame of studio, and the lower part of studio is provided with the water collecting bucket, the lower part fixedly connected with compressor, cistern, condenser and the water tank of device shell, it is provided with the heat preservation to correspond the outdoor side position of studio on the device shell, and installs the upper portion fixedly connected with motor of shell, the lower part of water collecting bucket communicates the inside of water tank through the raceway, and establishes ties on the raceway of water collecting bucket lower part and has the solenoid valve.

Preferably, the lower part of the device shell is fixedly connected with four idler wheels, and the idler wheels are distributed at four corners of the lower surface of the device shell in a rectangular array manner.

Preferably, the upper part of the condenser is communicated with the compressor through a circulating pipe, the circulating pipe penetrates through the heat insulation layer and is distributed on the inner wall of the working chamber, a four-way valve is connected in series at one end of the circulating pipe close to the compressor, and the right side of the compressor is communicated with the left side of the condenser through a conveying pipe.

Preferably, the lower part of the humidifier is fixedly connected with a water pipe, the water pipe at the lower part of the humidifier penetrates through the left side of the water tank and extends to the bottom of the water tank, one end of the water pipe, which is positioned inside the water tank, is fixedly connected with a water pump, the air outlet end of the humidifier is communicated with the inside of the working chamber, and the compressor is communicated with the liquid reservoir through a pipeline.

Preferably, a motor cover is fixedly connected to a position, corresponding to the motor, on the device shell, a rotating shaft is fixedly connected to an output shaft of the motor, a fan blade is fixedly connected to the lower portion of the rotating shaft, and the fan blade is located above the heating wire.

Preferably, the position department that corresponds the studio on the device shell is connected with the sealing door through hinge rotation, be provided with the observation window on the sealing door, and sealing door right side intermediate position department fixedly connected with handle, the hinge is provided with two.

Preferably, the number of the test sample racks is four, the positions of the test sample racks corresponding to the inner wall of the working chamber are provided with clamping grooves, and two ends of each test sample rack are matched with the clamping grooves in the working chamber.

Preferably, the circulating pipe is closely attached to the inner wall of the working chamber, the outer surface of the part, located on the inner side of the working chamber, of the circulating pipe is fixedly connected with metal sheets, the metal sheets are evenly distributed on the circulating pipe, and the outer surface of the part, located on the outer side of the working chamber, of the circulating pipe is provided with a heat preservation outer cover.

Preferably, be provided with control panel on the device shell, control panel's input pass through the wire respectively with temperature sensor, humidity transducer and external power source electric connection, control panel's output passes through the wire respectively and the input electric connection of heater strip, humidifier, solenoid valve, compressor, cistern, condenser, temperature sensor, humidity transducer, motor and water pump.

(III) advantageous effects

The utility model provides an energy-conserving constant temperature and humidity test box possesses following beneficial effect:

the utility model discloses a change electrical heating formula humidifier into ultrasonic humidifier, atomize water into ultramicro particle through ultrasonic wave high frequency oscillation, make the proof box humidification that can be more quick when using to suitable humidity, the humidification is even simultaneously, the result of use of proof box is improved, make more accurate of testing result, ultrasonic humidifier is more energy-conserving, the power saving, and long service life, the incrustation scale can not produce when using, the water collecting hopper of setting can concentrate the water tank with the distilled water in the studio, supply with the humidifier use, make the water resource can cyclic utilization, the waste of water resource has been reduced, through set up the sheetmetal in the circulating pipe outside, improve the device refrigeration effect, the temperature in the studio can be quick reaches suitable temperature.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an external view of the present invention;

FIG. 3 is an enlarged schematic view of the working chamber of FIG. 1 according to the present invention;

FIG. 4 is an enlarged partial schematic view of the circulation tube of FIG. 1 according to the present invention;

fig. 5 is a block flow diagram of the present invention.

The reference numbers in the figures are: 1. heating wires; 2. a humidifier; 3. an electromagnetic valve; 4. a device housing; 5. a compressor; 6. a liquid reservoir; 7. a condenser; 8. a motor cover; 9. a temperature sensor; 10. a humidity sensor; 11. a sample rack; 12. a working chamber; 13. a circulation pipe; 14. a heat-insulating layer; 15. an observation window; 16. a hinge; 17. a sealing door; 18. a roller; 19. a handle; 20. a control panel; 21. a fan blade; 22. a water delivery pipe; 23. a four-way valve; 24. a motor; 25. a water collecting hopper; 26. a water tank; 27. and (4) a water pump.

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. 1-5, an embodiment of the present invention is shown; an energy-saving constant temperature and humidity test box comprises a device shell 4, wherein a working chamber 12 is arranged on the upper portion of the device shell 4, a closed space is arranged for detection, and the temperature and humidity are conveniently adjusted and kept unchanged, a temperature sensor 9 and a humidity sensor 10 are fixedly connected to the inner wall of the upper portion of the working chamber 12, the detection result is transmitted to a control panel 20, the temperature and humidity are conveniently adjusted, a humidifier 2 is fixedly connected to the position, corresponding to the left side of the working chamber 12, on the device shell 4, the humidity is atomized into ultramicro particles by using ultrasonic waves, the humidity in the working chamber 12 is increased, a heating wire 1 and a test article rack 11 are fixedly connected to the inner portion of the working chamber 12, the test article rack 11 is convenient for placing test articles, the inner space of the working chamber 12 can be fully utilized, a water collecting hopper 25 is arranged on the lower portion of the working chamber 12, distilled water in the working, the lower part fixedly connected with compressor 5 of device shell 4, cistern 6, condenser 7 and water tank 26, water tank 26 is used for the storage of water, be convenient for humidifier 2's use, reduce the number of times of adding water, it is provided with heat preservation 14 to correspond studio 12 outside position on device shell 4, reduce the inside thermal loss of studio 12, improve the accuracy of experiment, and the upper portion fixedly connected with motor 24 of device shell 4, motor 24 operates and turns into mechanical energy with the electric energy, drive the rotation of fan blade 21, the lower part of water collecting hopper 25 communicates the inside of water tank 26 through raceway 22, raceway 22 provides the carrier for the transport of water, and it has solenoid valve 3 to establish ties on the raceway 22 of water collecting hopper 25 lower part, solenoid valve 3 can cut off the raceway 22 of intercommunication water collecting hopper 25, avoid the heat in studio 12 to take away by the distilled water, influence the test result.

Further, the lower part fixedly connected with gyro wheel 18 of device shell 4, gyro wheel 18 are provided with four, and gyro wheel 18 is rectangular array and distributes in device shell 4 lower surface four corners position department, and gyro wheel 18 can turn into rolling friction with sliding friction, reduces the frictional force when the proof box removes, the removal of the proof box of being convenient for.

Further, the upper portion of the condenser 7 is communicated with the compressor 5 through a circulating pipe 13, the circulating pipe 13 penetrates through the heat-insulating layer 14 and is distributed on the inner wall of the working chamber 12, a four-way valve 23 is connected in series at one end of the circulating pipe 13 close to the compressor 5, the right side of the compressor 5 is communicated with the left side of the condenser 7 through a conveying pipe, a throttle valve is communicated with the upper portion of the condenser 7 and is communicated with the circulating pipe 13, high-temperature and high-pressure gas compressed by the compressor 5 can be conveniently condensed into liquid with medium temperature and high pressure through the condenser 7, and the liquid with low temperature and low pressure.

Further, the lower part fixedly connected with raceway 22 of humidifier 2, raceway 22 of humidifier 2 lower part runs through the left side of water tank 26 and extends to the bottom of water tank 26, raceway 22 is located the inside one end fixedly connected with water pump 27 of water tank 26, the end of giving vent to anger of humidifier 2 communicates inside studio 12, the model that compressor 5 communicates humidifier 2 each other through pipeline and cistern 6 is GREE, for prior art, the model of water pump 27 is the small-size immersible pump of NS, for prior art, water pump 27 can be with the water extraction in the water tank 26 to the humidifier 2 in, the water of humidifier 2 of being convenient for.

Further, a motor cover 8 is fixedly connected to the position, corresponding to the motor 24, of the device shell 4, a rotating shaft is fixedly connected to an output shaft of the motor 24, a fan blade 21 is fixedly connected to the lower portion of the rotating shaft, the fan blade 21 is located above the heating wire 1, the fan blade 21 is driven by the motor 24 to rotate, heat generated by operation of the heating wire 1 is blown to the working chamber 12, the temperature inside the working chamber 12 is uniform, and the testing accuracy is improved.

Further, the position corresponding to the working chamber 12 on the device shell 4 is rotatably connected with a sealing door 17 through a hinge 16, the sealing door 17 is provided with an observation window 15, the middle position of the right side of the sealing door 17 is fixedly connected with a handle 19, the hinge 16 is provided with two hinges, the sealing door 17 enables the working chamber 12 to be in a closed state, and meanwhile, the test articles can be placed and taken out conveniently.

Further, the test article frame 11 is provided with four, and the draw-in groove has all been seted up to the corresponding studio 12 inner wall position department of test article frame 11, and the both ends of test article frame 11 all mutually support with the draw-in groove on the studio 12, and the inner wall joint of test article frame 11 and studio 12 is connected, is convenient for take off test article frame 11 and clears up, sets up a plurality of make full use of the effective space in the studio 12, has increased the quantity of disposable test article.

Furthermore, the circulating pipe 13 is tightly attached to the inner wall of the working chamber 12, the metal sheets are fixedly connected to the outer surface of the circulating pipe 13, which is located on the inner side portion of the working chamber 12, and are uniformly distributed on the circulating pipe 13, the heat-insulating outer cover is arranged on the outer surface of the circulating pipe 13, which is located on the outer side portion of the working chamber 12, the metal sheets arranged on the circulating pipe 13 increase the contact area between the circulating pipe 13 and the gas inside the working chamber 12, so that the temperature inside the working chamber 12 can be conveniently reduced, the heat-insulating outer cover reduces the consumption of cold air in the circulating pipe 13 before entering the.

Further, be provided with control panel 20 on device shell 4, control panel 20's input pass through the wire respectively with temperature sensor 9, humidity transducer 10 and external power supply electric connection, control panel 20's output passes through wire and heater strip 1 respectively, humidifier 2, solenoid valve 3, compressor 5, cistern 6, condenser 7, temperature sensor 9, humidity transducer 10, motor 24 and water pump 27's input electric connection, control panel 20 is convenient for to the inside unified control with electrical apparatus of each of proof box, more convenient and fast.

The working principle is as follows: when the test box is used, firstly, the sealing door 17 is opened through the handle 19, a test article is placed on the test article rack 11, secondly, the required temperature and humidity are set on the control panel 20, when a high-temperature test is required, the control panel 20 is connected with circuits of the heating wire 1, the humidifier 2, the temperature sensor 9, the humidity sensor 10, the motor 24 and the water pump 27, the heating wire 1 is electrified to generate heat, the humidifier 2 operates to atomize water into ultramicro particles, the motor 24 drives the fan blade 21 to rotate through the rotating shaft to blow the heat of the heating wire 1 and the humidity generated by the humidifier 2 to other parts of the working chamber 12, the temperature sensor 9 and the humidity sensor 10 feed back detection results to the control panel 20, when a set value is reached, the control panel 20 automatically cuts off the circuits of the heating wire 1, the humidifier 2, the motor 24 and the water pump 27, and after the test is completed, the, the electromagnetic valve 3 is opened to enable distilled water in the working chamber 12 to reach a water tank 26 through a water collecting hopper 25 and a water conveying pipe 22, the electromagnetic valve 3 is closed, when a low-temperature test is needed, circuits of a humidifier 2, a compressor 5, a temperature sensor 9, a humidity sensor 10, a motor 24 and a water pump 27 are connected through a control panel 20, the compressor 5 compresses gas, the gas is conveyed into a condenser 7 through a pipeline and enters the interior of a circulating pipe 13 after being throttled by a throttle valve to cool the gas in the working chamber 12, the humidifier 2 operates and humidifies, the motor 24 operates to drive fan blades 21 to rotate and blow moisture to each position of the working chamber 12, the temperature sensor 9 and the humidity sensor 10 operate to feed back detection results to the control panel 20, and the control panel 20 cuts off the circuits of the humidifier 2, the compressor 5, the motor 24 and the water pump 27 when the, after the test is finished, the temperature sensor 9 and the humidity sensor 10 are closed, the electromagnetic valve 3 is opened, distilled water in the working chamber 12 reaches the water tank 26 through the water collecting hopper 25 and the water conveying pipe 22, and the electromagnetic valve 3 is closed, so that the test is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 an energy-conserving constant temperature and humidity test box, includes device shell (4), its characterized in that: the device is characterized in that a working chamber (12) is arranged on the upper portion of the device shell (4), a temperature sensor (9) and a humidity sensor (10) are fixedly connected to the inner wall of the upper portion of the working chamber (12), a humidifier (2) is fixedly connected to the position, corresponding to the left side of the working chamber (12), on the device shell (4), a heating wire (1) and a test article rack (11) are fixedly connected to the inner portion of the working chamber (12), a water collecting hopper (25) is arranged on the lower portion of the working chamber (12), a compressor (5), a liquid reservoir (6), a condenser (7) and a water tank (26) are fixedly connected to the lower portion of the device shell (4), a heat insulating layer (14) is arranged on the portion, corresponding to the outer side of the working chamber (12), of the upper portion of the device shell (4) is fixedly connected with a motor (24), and the lower portion of the water collecting hopper (, and the water delivery pipe (22) at the lower part of the water collecting hopper (25) is connected with an electromagnetic valve (3) in series.

2. The energy-saving constant temperature and humidity test chamber according to claim 1, characterized in that: the lower part of the device shell (4) is fixedly connected with four idler wheels (18), and the four idler wheels (18) are distributed at four corners of the lower surface of the device shell (4) in a rectangular array mode.

3. The energy-saving constant temperature and humidity test chamber according to claim 1, characterized in that: the upper portion of condenser (7) is through circulating pipe (13) and compressor (5) intercommunication each other, circulating pipe (13) run through heat preservation (14) and distribute in the inner wall of studio (12), the one end that circulating pipe (13) are close to compressor (5) is established ties and is had cross valve (23), the left side intercommunication of conveyer pipe and condenser (7) is passed through on the right side of compressor (5).

4. The energy-saving constant temperature and humidity test chamber according to claim 1, characterized in that: the humidifier is characterized in that a water delivery pipe (22) is fixedly connected to the lower portion of the humidifier (2), the water delivery pipe (22) at the lower portion of the humidifier (2) penetrates through the left side of the water tank (26) and extends to the bottom of the water tank (26), a water pump (27) is fixedly connected to one end, located inside the water tank (26), of the water delivery pipe (22), the air outlet end of the humidifier (2) is communicated to the inside of the working chamber (12), and the compressor (5) is communicated with the liquid reservoir (6) through a pipeline.

5. The energy-saving constant temperature and humidity test chamber according to claim 1, characterized in that: the device is characterized in that a motor cover (8) is fixedly connected to the position, corresponding to a motor (24), of the device shell (4), a rotating shaft is fixedly connected to an output shaft of the motor (24), fan blades (21) are fixedly connected to the lower portion of the rotating shaft, and the fan blades (21) are located above the heating wires (1).

6. The energy-saving constant temperature and humidity test chamber according to claim 1, characterized in that: the device is characterized in that the position of the device shell (4) corresponding to the working chamber (12) is rotatably connected with a sealing door (17) through a hinge (16), the sealing door (17) is provided with an observation window (15), the middle position of the right side of the sealing door (17) is fixedly connected with a handle (19), and the hinge (16) is provided with two hinges.

7. The energy-saving constant temperature and humidity test chamber according to claim 1, characterized in that: the device is characterized in that the number of the test article frames (11) is four, the positions, corresponding to the inner wall of the working chamber (12), of the test article frames (11) are provided with clamping grooves, and the two ends of the test article frames (11) are matched with the clamping grooves in the working chamber (12) mutually.

8. The energy-saving constant temperature and humidity test chamber according to claim 3, wherein: the circulating pipe (13) is tightly attached to the inner wall of the working chamber (12), the outer surface of the circulating pipe (13) located on the inner side portion of the working chamber (12) is fixedly connected with metal sheets, the metal sheets are evenly distributed on the circulating pipe (13), and the outer surface of the circulating pipe (13) located on the outer portion of the working chamber (12) is provided with a heat-insulation outer cover.

9. The energy-saving constant temperature and humidity test chamber according to claim 1, characterized in that: be provided with control panel (20) on device shell (4), control panel's (20) input pass through the wire respectively with temperature sensor (9), humidity transducer (10) and external power source electric connection, control panel's (20) output passes through the wire respectively with heater strip (1), humidifier (2), solenoid valve (3), compressor (5), temperature sensor (9), humidity transducer (10), input electric connection of motor (24) and water pump (27).