CN215540963U

CN215540963U - Constant temperature and humidity test box

Info

Publication number: CN215540963U
Application number: CN202022472120.5U
Authority: CN
Inventors: 刘邦军; 张万仓; 陆赛
Original assignee: Suzhou New Standard Detection Technology Co ltd
Current assignee: Suzhou New Standard Detection Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2022-01-18
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a constant temperature and humidity test box, which comprises a test box body and supporting legs, wherein the supporting legs are welded at the bottom of the test box body, a display is fixedly arranged on the front side of the test box body close to the top, a box door is arranged on the front side of the test box body close to the lower end of the display, a motor is fixedly arranged on one side inside the test box body, one side of the motor is fixedly connected with a screw rod, and one side of the screw rod is welded with the other side inside the test box body. The use stability of the utility model is improved.

Description

Constant temperature and humidity test box

Technical Field

The utility model belongs to the technical field of test boxes, and particularly relates to a constant temperature and humidity test box.

Background

The test box is a general term of products in the environmental test industry, and is used for simulating a natural climate environment in an effective space range, and the test types are as follows: the constant temperature and humidity test box is also called a constant temperature and humidity tester and a constant temperature and humidity test box, is used for testing the performance of the material under various environments, is used for testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials, and is suitable for the quality detection of products such as electronics.

The prior art has the following problems: the existing constant temperature and humidity test box is insufficient in the aspect of constant temperature and humidity balance, the humidifier, the heater and the refrigerating device of most constant temperature and humidity test boxes are limited to one side inside the test box and are influenced by installation positions such as the humidifier, the heater and the refrigerating device, and in the test process, the humidity and the temperature in the test box are uneven, and the air humidity and the temperature of a test object have large errors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a constant temperature and humidity test box, which aims to solve the problems that the balance of constant temperature and humidity provided by the background technology is insufficient, most of humidifiers, heaters and refrigerating devices of the constant temperature and humidity test box are limited at one side in the test box and are influenced by installation positions of the heaters, the refrigerating devices and the like, the humidity and the temperature in the test box are not uniformly distributed, the air of a test object is moderate, and the temperature has larger errors in the experimental process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a constant temperature and humidity test box, includes test box and supporting leg, the bottom welding of test box has the supporting leg, the front of test box is by top fixed mounting has the controller, the front of test box is by the lower extreme of controller seted up the chamber door, inside one side fixed mounting of test box has the motor, one side fixedly connected with screw rod of motor, one side of screw rod and the inside opposite side welding of test box, the side threaded connection of screw rod has the nut seat, the bottom welding of nut seat has the mount pad, the bottom fixedly connected with fan of mount pad.

Preferably, a water tank is arranged on the lower side in the test box body, a water pump is fixedly installed at the bottom end in the test box body, one end of the water pump is fixedly connected with a transmission pipe, the other end of the transmission pipe is fixedly connected with a humidifier, a spray head is fixedly connected to one side of the humidifier, a heater is fixedly connected to the upper part of the humidifier,

preferably, a fixed slideway is welded on the inner wall of the box body of the test box near the middle position, a grid plate is connected inside the fixed slideway in a sliding mode, a refrigerator is fixedly connected above the grid plate, and a filter screen is welded below the grid plate.

Preferably, the lower extreme fixedly connected with temperature sensor of fixed slide keeps away from temperature sensor's one end fixed mounting has humidity transducer, temperature sensor's output and the input electric connection of controller, humidity transducer's output and the input electric connection of controller.

Preferably, the temperature sensor is of a type DS18B20, and the humidity sensor is of a type HTF 3223.

Compared with the prior art, the utility model provides a constant temperature and humidity box, which has the following beneficial effects:

1. the constant temperature and humidity test box is heated or refrigerated by the heater and the refrigerator, when the temperature in the test box reaches a constant temperature value, the controller controls the heater or the refrigerator to be closed, air in the test box is recirculated by the fan under the action of the fan, and the test product is heated or refrigerated more uniformly by recirculation, so that the problem that the original constant temperature and humidity test box is insufficient in the aspect of constant temperature and humidity balance is solved, and the use stability of the constant temperature and humidity test box is improved.

2. The test box has the advantages that the filter screen is fixedly connected to the inner wall of the box body of the test box, so that sprayed water is filtered by the filter screen and collected into the water tank.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic view of a three-dimensional structure of a constant temperature and humidity test chamber according to the present invention;

FIG. 2 is a cross-sectional view of a constant temperature and humidity test chamber according to the present invention;

in the figure: 1. a test chamber body; 2. a box door; 3. supporting legs; 4. a controller; 5. a fan; 6. a heater; 7. a refrigerator; 8. fixing the slideway; 9. a filter screen; 10. a water pump; 11. a water tank; 12. a conveying pipe; 13. a grid plate; 14. a humidifier; 15. a spray head; 16. a motor; 17. a screw; 18. a nut seat; 19. a mounting seat; 20. a temperature sensor; 21. a humidity sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a constant temperature and humidity test box comprises a test box body 1 and supporting legs 3, wherein the bottom of the test box body 1 is welded with the supporting legs 3 and four supporting legs 3 for reinforcing the stability of the test box body 1 under the working condition, the front surface of the test box body 1 is fixedly provided with a controller 4 by the top part and is used for debugging and setting parameters under the working condition of the test box, so that the test box is more stable during detection, the front surface of the test box body 1 is provided with a box door 2 by the lower end of the controller 4, the edge of the box door 2 is fixedly provided with a sealing strip, so that the sealing condition of the test box can reach a standard vertebra under the working condition, a toughened glass observation window is arranged at the middle position of the box door 2, the condition in the test box can be conveniently known through the observation window, a motor 16 is fixedly arranged at one side inside the test box body 1 and is connected with an external power supply through a switch, make the demand of device power supply volume under the operating condition, one side fixedly connected with screw rod 17 of motor 16, one side of screw rod 17 and the inside opposite side welding of proof box 1, screw rod 17's side threaded connection has nut seat 18, the bottom welding of nut seat 18 has mount pad 19, the bottom fixedly connected with fan 5 of mount pad 19, connect through external power source, when cooling the temperature in the proof box, open motor 16 and fan 5, fan 5 work further reduces the inside temperature of proof box 1.

The water tank 11 is arranged on the lower side of the interior of the test box body 1, the water pump 10 is fixedly installed at the bottom end of the interior of the test box body 1 and is connected with an external power supply through a switch, one end of the water pump 10 is fixedly connected with a transmission pipe 12, the other end of the transmission pipe 12 is fixedly connected with a humidifier 14, the water pump 10 and the humidifier 14 are fixedly connected through the transmission pipe 12, one side of the humidifier 14 is fixedly connected with a spray head 15, the water pump 10 and the humidifier 14 are started, a water source in the water tank 11 is conveyed to the humidifier 14 through the transmission pipe 12, the humidifier 14 carries out humidification work, finally the water source is atomized through the spray head 15, so that humidification operation is carried out on the interior of the test box body 1, a heater 6 is fixedly connected above the humidifier 14, the heater 6 is converted into heat energy through electric energy, so that the temperature in the test box is raised, a fixed slide 8 is welded on the inner wall of the test box body 1 close to the central position, the inside sliding connection of stationary chute 8 has grid plate 13, be used for when beginning the inspection, shift out grid plate 13 along stationary chute 8, then place the test article on it, and return grid plate 13 to in the proof box 1, grid plate 13's top fixedly connected with refrigerator 7, after the temperature rose test subject cone temperature in the proof box, open refrigerator 7 and cool down the temperature in the proof box, stationary chute 8's lower extreme fixedly connected with temperature sensor 20, the one end fixedly connected with humidity transducer 21 of keeping away from temperature sensor 20, temperature sensor 20 and humidity transducer 21's output all with controller 4's input electric connection, grid plate 13's lower extreme welding has filter screen 9, be used for the water after the injection filters through filter screen 9, can make water cycle use, the water resource has been practiced thrift.

The working principle and the using process of the utility model are as follows:

during the test, a worker opens the box door 2 through a handle, moves the grid plate 13 out along the fixed slideway 8, places a test product on the grid plate 13, pushes the grid plate 13 into the test box body 1 again, and finally closes the box door 2, in order to enable the temperature and the humidity in the test box body 1 to reach the test standard environment, the worker opens the heater 6, the heater 6 receives electric energy and converts the electric energy into heat energy, so that the temperature in the test box body 1 is increased, when the temperature in the test box reaches the requirement, the temperature sensor 20 transmits the temperature value to the controller 4 in an electric signal mode, the heater 6 is controlled to be closed, when adjusting the humidity, the worker opens the water pump 10 and the humidifier 14, the water source in the water tank 11 is transmitted to the humidifier 14 through the transmission pipe 12, the humidifier 14 performs humidification work, and finally the water source is atomized through the spray head 15, thereby to the inside humidification operation that carries out of proof box 1, when the humidity in the proof box reaches the needs, humidity transducer 21 with the temperature value with the mode transmission of signal of telecommunication to controller 4 on, control humidifier 14 closes, motor 16 drives nut seat 18 through screw rod 17 simultaneously, and then drives fan 5 and carry out straight reciprocating motion, can make the inside temperature of proof box 1 keep circulating to make the inside temperature equilibrium state that reaches of proof box 1.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a constant temperature and humidity test box, includes test box (1) and supporting leg (3), its characterized in that: the bottom welding of proof box (1) has supporting leg (3), the front of proof box (1) is by top fixed mounting has controller (4), the front of proof box (1) is by the lower extreme of controller (4) seted up chamber door (2), inside one side fixed mounting of proof box (1) has motor (16), one side fixedly connected with screw rod (17) of motor (16), one side of screw rod (17) and the inside opposite side welding of proof box (1), the side threaded connection of screw rod (17) has nut seat (18), the bottom welding of nut seat (18) has mount pad (19), the bottom fixedly connected with fan (5) of mount pad (19).

2. The constant temperature and humidity test chamber according to claim 1, wherein: the water tank (11) is arranged on the lower side of the interior of the test box body (1), the water pump (10) is fixedly mounted at the bottom end of the interior of the test box body (1), one end of the water pump (10) is fixedly connected with a transmission pipe (12), the other end of the transmission pipe (12) is fixedly connected with a humidifier (14), a spray head (15) is fixedly connected to one side of the humidifier (14), and a heater (6) is fixedly connected to the upper end of the humidifier (14).

3. The constant temperature and humidity test chamber according to claim 1, wherein: the inner wall of the test box body (1) is welded with a fixed slideway (8) close to the center, the inside of the fixed slideway (8) is connected with a grid plate (13) in a sliding mode, the upper end of the grid plate (13) is fixedly connected with a refrigerator (7), and the lower end of the grid plate (13) is welded with a filter screen (9).

4. The constant temperature and humidity test chamber according to claim 3, wherein: the lower extreme fixedly connected with temperature sensor (20) of fixed slide (8), keep away from the one end fixed mounting of temperature sensor (20) has humidity transducer (21), the output of temperature sensor (20) and the input electric connection of controller (4), the output of humidity transducer (21) and the input electric connection of controller (4).

5. The constant temperature and humidity test chamber according to claim 4, wherein: the model of the temperature sensor (20) is DS18B20, and the model of the humidity sensor (21) is HTF 3223.