CN211133978U

CN211133978U - High-low temperature alternating damp-heat test box

Info

Publication number: CN211133978U
Application number: CN201921874790.0U
Authority: CN
Inventors: 吴华榜; 吴华立; 李顺訄
Original assignee: Hangzhou Aoke Environmental Test Equipment Ltd
Current assignee: Hangzhou Aoke Environmental Test Equipment Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-31
Anticipated expiration: 2029-11-01

Abstract

The application discloses high low temperature reversal damp and hot test box, including the box, be equipped with in the box and draw together the studio, its characterized in that, the circulation processing module is installed to one side of studio to the box, and the lower part of circulation processing module has the air intake with the studio intercommunication, and upper portion has the air outlet with the studio intercommunication, install temperature sensor and humidity transducer in the studio, circulation processing module includes evaporimeter, heater and humidifier, install rotatory objective table in the studio, rotatory objective table can dismantle rotatory work in the studio, the bottom of rotatory objective table can be dismantled with the bevel gear through the axle and be connected, the bevel gear passes through the motor shaft and can dismantle with the motor and be connected etc.. This high low temperature reversal damp heat test box's advantage: through the setting of the rotary object stage, the temperature of each part of the test piece in the working chamber is more uniform, so that the accuracy of the test result is improved.

Description

High-low temperature alternating damp-heat test box

Technical Field

The utility model relates to a test equipment field, concretely relates to high low temperature reversal damp-heat test case.

Background

The test box is used as important equipment of scientific experiments, and is widely applied to the technical fields of electronics, medical treatment, chemical industry and the like, and the existing test piece placed in the test box has the problem of uneven temperature of the test piece during operation due to the fact that the test piece is directly placed in a working chamber of the test box, so that the test result has deviation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a high low temperature reversal damp-heat test case is proposed.

The utility model adopts the following technical scheme: the utility model provides a high low temperature alternation damp and hot test box, includes the box, is equipped with in the box and draws together the studio, its characterized in that, and the circulation processing module is installed to one side of studio to the box, and the lower part of circulation processing module has the air intake with the studio intercommunication, and upper portion has the air outlet with the studio intercommunication, install temperature sensor and humidity transducer in the studio, and the circulation processing module includes evaporimeter, heater and humidifier, install rotatory objective table in the studio, rotatory objective table can dismantle rotatory work in the studio, the bottom of rotatory objective table can be dismantled with the bevel gear through the axle and be connected, the bevel gear can be dismantled with the motor through the motor shaft and be connected, rotatory objective table is used for driving the even rotation of test piece, makes each part of test piece be heated evenly.

Preferably, the rotary object stage is a circular truncated cone structure, a limiting structure which is used for limiting the test piece in high-speed rotation in the central area of the rotary object stage is arranged on the rotary object stage, the limiting structure comprises at least 3 positioning columns which are convexly arranged on the bearing surface of the rotary object stage, the test piece is placed in a bearing area limited by the positioning columns, each positioning column is connected with at least one end of a pressure spring, and the other end of the pressure spring is tightly matched with the test piece placed in the bearing area.

Preferably, all the positioning columns are located on the circumference of the same circle, the center of the circle is concentric with the center point of the rotary object stage, and the interval angles of any two adjacent positioning columns are the same.

Preferably, one end of each pressure spring, which is close to the test piece, is provided with an elastic arc wrapping sheet.

Preferably, the bearing surface of the rotary object stage is provided with limiting sliding grooves corresponding to the pressure springs one to one, the relative lower parts of the pressure springs are in sliding fit with the limiting sliding grooves, and the relative upper parts of the pressure springs extend out of the limiting sliding grooves.

Preferably, the circulation processing module further comprises a stirring fan located at the top and a louver installed at the air outlet, wherein fan blades of the stirring fan are located on the air outlet side, the louver comprises a frame body and blades rotatably installed on the frame body, and the frame body is obliquely arranged towards one side of the working chamber

Preferably, the louver is an electrically controlled louver.

Preferably, the evaporator, the heater and the humidifier are sequentially arranged from bottom to top at intervals, and the fan blades of the stirring fan are located above the humidifier.

Preferably, the test chamber further comprises a controller electrically connected to the temperature sensor, the humidity sensor and the cyclic processing module.

The utility model has the advantages that:

1. the temperature of each part of the test piece in the working chamber is more uniform through the arrangement of the rotary object stage;

2. the limiting structure is arranged to prevent the test piece in the rotating state from sliding out of the rotating object stage;

3. the test piece is convenient to fix and disassemble quickly by the arrangement of the close fit of the pressure spring and the test piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a high and low temperature alternating humid heat test chamber;

FIG. 2 is a schematic view of a louver;

FIG. 3 is a schematic top view of the rotary stage and a stop assembly thereon;

the figures are numbered:

1. a box body; 2. a working chamber; 3. a cyclic processing module; 4. an air inlet; 5. an air outlet; 6. a heater; 7. a stirring fan; 8. a fan blade; 9. louver blades; 10. a frame body; 11. a blade; 12. an evaporator; 13. a humidifier; 14. a humidity sensor; 15. rotating the object stage; 16. a temperature sensor; 17. a shaft; 18. a bevel gear; 19. a motor; 20. a positioning column; 21. a pressure spring; 22. and a limiting sliding groove.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

As shown in fig. 1 to 3, a high-low temperature alternating damp-heat test chamber comprises a chamber body 1, the chamber body 1 comprises a working chamber 2, a circulating processing module 3 is installed on one side of the working chamber 2 in the chamber body 1, an air inlet 4 communicated with the working chamber 2 is formed in the lower portion of the circulating processing module 3, an air outlet 5 communicated with the working chamber 2 is formed in the upper portion of the circulating processing module 3, a temperature sensor 16 and a humidity sensor 14 are installed in the working chamber 2, the circulating processing module 3 comprises an evaporator 12, a heater 6 and a humidifier 13 which are sequentially arranged from bottom to top at intervals, the circulating processing module 3 further comprises a stirring fan 7 located at the topmost portion and a louver 9 installed at the air outlet 5, a fan blade 8 of the stirring fan 7 is located on the air outlet 5 side, the louver 9 comprises a frame body 10 and a blade 11 rotatably installed on the frame body 10.

Additionally, a rotary object stage 15 is installed in the working chamber 2, the rotary object stage can be detached to rotate in the working chamber for working, the bottom of the rotary object stage is detachably connected with a bevel gear 18 through a shaft 17, the bevel gear 18 is detachably connected with a motor 19 through a motor shaft, and the rotary object stage is used for driving the test piece to rotate uniformly, so that all parts of the test piece are heated uniformly.

The rotary object stage 15 can rotate at a certain rotating speed, each part of the test piece can be ensured to be uniformly positioned in a certain specific test environment, and the test result deviation caused by different environmental factors of each part of the test piece is avoided.

The rotary objective table 15 is a circular truncated cone structure, a limiting structure which is used for limiting a test piece in high-speed rotation in the central area of the rotary objective table is arranged on the rotary objective table, the limiting structure comprises at least 3 positioning columns 20 which are convexly arranged on a bearing surface of the rotary objective table, the test piece is placed in a bearing area limited by the positioning columns 20, each positioning column 20 is connected with at least one end of a pressure spring 21, and the other end of the pressure spring 21 is connected with the test piece placed in the bearing area in an abutting mode.

Preferably, all the positioning pillars 20 are located on the circumference of the same circle, the center of the circle is concentric with the center point of the rotary stage 15, and the interval angle between any two adjacent positioning pillars 20 is the same. So that the stress of the compression springs 21 at various angles on the test piece is more uniform.

Preferably, one end of each pressure spring, which is close to the test piece, is provided with an elastic arc wrapping sheet. The friction area with the test piece is increased, and therefore the friction force is improved.

Additionally, the bearing surface of the rotary stage 15 is provided with limiting sliding grooves 22 corresponding to the pressure springs 21 one by one, the relative lower portions of the pressure springs 21 are in sliding fit with the limiting sliding grooves 22, and the relative upper portions of the pressure springs extend out of the limiting sliding grooves 22.

Additionally, a controller (not shown) is also included, and the controller is electrically connected to the temperature sensor 16, the humidity sensor 14, and the circulation processing module 3.

The evaporator 12 of the circulation processing module 3 of the present application can reduce the air temperature to obtain a low temperature environment, and can also reduce the humidity to obtain a low humidity environment; the heater 6 of the circulating treatment module 3 can heat air to obtain a high-temperature environment; the humidifier 13 of the circulation processing module 3 can humidify air, resulting in a high humidity environment. The evaporator 12, the heater 6, and the humidifier 13 are combined to obtain a high-temperature high-humidity environment, a high-temperature low-humidity environment, a low-temperature high-humidity environment, and a low-temperature low-humidity environment as required in the test.

When the air conditioner works, air in the working chamber 2 enters the circulating treatment module 3 through the air inlet 4, passes through the evaporator 12, the heater 6 and the humidifier 13, enters the upper part of the circulating treatment module 3, and then enters the working chamber 2 from the louver 9 of the air outlet 5 under the driving of the fan blades 8 of the stirring fan 7. Air outlet 5 department is provided with the tripe 9 that the slope set up, can effectively increase the area of air outlet 5 through the form of this kind of slope, and tripe 9 is including rotating the blade 11 of installing on framework 10, can effectual change the direction of air-out through rotating blade 11 (in figure 1, blade 11 that the dotted line shows the position of adjusting according to the wind direction requirement) to the degree of consistency of temperature in the effectual improvement studio 2 prevents the temperature dead angle.

In practical use, the louver 9 can be a manual louver or an electric louver, and preferably, the louver can be an electric control type louver. The electrically controlled louver 9 can facilitate the adjustment of the angle of the blades 11.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms 1 cabinet, 2 working chambers, 3 circulation treatment modules, 4 air inlets, 5 air outlets, 6 heaters, 7 stirring fans, 8 fan blades, 9 shutters, 10 frames, 11 blades, 12 evaporators, 13 humidifiers, 14 humidity sensors, 15 rotary stages, 16 temperature sensors, 17 shafts, 18 bevel gears, 19 motors, 20 positioning columns, 21 compression springs, 22 limit chutes and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a high low temperature alternation damp and hot test box, includes the box, is equipped with in the box and draws together the studio, its characterized in that, and the circulation processing module is installed to one side of studio to the box, and the lower part of circulation processing module has the air intake with the studio intercommunication, and upper portion has the air outlet with the studio intercommunication, install temperature sensor and humidity transducer in the studio, and the circulation processing module includes evaporimeter, heater and humidifier, install rotatory objective table in the studio, rotatory objective table can dismantle rotatory work in the studio, the bottom of rotatory objective table can be dismantled with the bevel gear through the axle and be connected, the bevel gear can be dismantled with the motor through the motor shaft and be connected, rotatory objective table is used for driving the even rotation of test piece, makes each part of test piece be heated evenly.

2. The high-low temperature alternating humid heat test box according to claim 1, wherein the rotary stage is a circular truncated cone structure, a limiting structure is arranged on the rotary stage and used for limiting the test piece in high-speed rotation in the central area of the rotary stage, the limiting structure comprises at least 3 positioning columns which are convexly arranged on the bearing surface of the rotary stage, the test piece is placed in the bearing area defined by the positioning columns, each positioning column is connected with at least one end of a pressure spring, and the other end of the pressure spring is tightly matched with the test piece placed in the bearing area.

3. The high and low temperature alternating humidity heat test chamber as claimed in claim 2, wherein all the positioning columns are located on the circumference of the same circle, the center of the circle is concentric with the center point of the rotary stage, and the interval angle between any two adjacent positioning columns is the same.

4. The high and low temperature alternating humidity and heat test chamber as claimed in claim 2, wherein an elastic arc wrapping sheet is arranged at one end of each pressure spring close to the test piece.

5. The high-low temperature alternating damp-heat test box according to claim 2, wherein limiting sliding grooves corresponding to the pressure springs one to one are formed in the bearing surface of the rotary object stage, the lower parts of the pressure springs are in sliding fit with the limiting sliding grooves, and the upper parts of the pressure springs extend out of the limiting sliding grooves.

6. The high and low temperature alternating humid heat test chamber as claimed in any one of claims 1 to 5, wherein the circulation processing module further comprises a stirring fan located at the top and a louver installed at the air outlet, wherein the fan blades of the stirring fan are located at the air outlet side, the louver comprises a frame body and blades rotatably installed on the frame body, and the frame body is arranged obliquely towards one side of the working chamber.

7. The high and low temperature alternating humid heat test chamber of claim 6, wherein the louver is an electrically controlled louver.

8. The high-low temperature alternating humid heat test box according to claim 6, wherein the evaporator, the heater and the humidifier are sequentially arranged from bottom to top at intervals, and a fan blade of the stirring fan is located above the humidifier.

9. The high and low temperature alternating humidity heat test chamber of claim 6, further comprising a controller electrically connected to the temperature sensor, the humidity sensor and the cyclic processing module.