Rapid temperature change damp heat test box

Abstract

The utility model relates to the technical field of test boxes, in particular to a rapid temperature change damp heat test box which comprises a box body and a working chamber arranged in the box body, the top of the working chamber is provided with an air outlet and an air return port which are communicated, and a circulation channel is formed between the air return port and the air outlet. A fan, a heating unit, a refrigerating unit and a humidifying unit are arranged in the circulating channel, and an outlet of the fan is communicated with the air outlet. According to the humidity and heat test box capable of rapidly changing the temperature, the purpose of adjusting the temperature in the working chamber is achieved through flowing of heat and cold, the temperature in the working chamber is balanced, the needed working temperature is achieved, the humidifying unit is arranged between the air return opening and the refrigerating unit, and a humidity environment for testing can be provided for the working chamber.

Description

Technical Field

[0001] The utility model relates to the technical field of test chambers, in particular to a rapid temperature change and humidity test chamber. Background Art

[0002] Rapid temperature change humidity and heat test chambers are widely used in aviation, automobiles, home appliances, scientific research and other fields. They are used to evaluate whether the adaptability and characteristics of the product itself have changed under given environmental conditions. At present, the structure of rapid temperature change humidity and heat test chambers usually adopts a C-type return air method with air outlet from the front and air return from the bottom. However, in some special occasions, for example: 1. The equipment studio has a small front-to-back depth and a large left-to-right width. In this case, the conventional return air method cannot guarantee the temperature uniformity in the studio; 2. The back panel of the studio has a large number of test holes, and the space behind the back panel needs to be used as a test line channel. The conventional return air method cannot be realized. Therefore, it is necessary to innovate the structure of the rapid temperature change humidity and heat test chamber and adopt a new return air method to adapt to the above occasions. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a rapid temperature change humidity test chamber, which can adjust the temperature in the working room through the flow of heat and cold to achieve temperature balance in the working room.

[0004] The purpose of the present invention can be achieved by the following technical solution: a rapid temperature change and humidity test chamber, comprising a chamber and a working chamber arranged in the chamber, wherein the top of the working chamber is provided with an air outlet and a return air outlet connected to each other, a circulation channel is formed between the return air outlet and the air outlet, a fan, a heating unit, a cooling unit and a humidifying unit are provided in the circulation channel, and the outlet of the fan is connected to the air outlet. Specifically, the temperature of the working chamber is heated by the heating unit or cooled by the cooling unit, and the heat generated by the heating unit or the cooling generated by the cooling unit is transported to the working chamber through the air outlet by installing a fan, and at the same time, a return air outlet is designed in the working chamber, and the air flow in the working chamber is returned from the return air outlet at the top, taking away the heat and cooling in the working chamber. The purpose of temperature regulation in the working chamber is achieved by the flow of heat and cooling, so that the temperature in the working chamber is balanced and reaches the required working temperature. In addition, by arranging a humidifying unit between the return air outlet and the cooling unit, a humidity environment for the test can be provided for the working chamber.

[0005] As a further solution of the present invention, the return air inlet is located in the middle of the top of the studio, and air outlets are symmetrically provided on both sides of the top of the studio. The air is discharged on the left and right sides of the top of the studio and the air is returned in the middle of the top. This is suitable for occasions where the front and back depth of the studio is small and the left and right widths are large, so that the temperature uniformity and fluctuation in the studio can be easily controlled within the technical specifications.

[0006] As a further solution of the present invention, the heating unit includes a heating wire, which is used to heat the circulating air in the circulation channel and direct the hot air flow through the air outlet into the working chamber through the fan to reach the required working temperature.

[0007] As a further solution of the present invention, the refrigeration unit includes an evaporator, which is used to cool and cool the circulating air in the circulation channel. The cold air flow is directed into the working chamber through the air outlet by a fan to reach the required working temperature. A water collecting pan is provided at the bottom of the evaporator, and a drain pipe is connected to the water collecting pan, through which the condensed water on the surface of the evaporator is discharged out of the box.

[0008] As a further solution of the present invention, the humidifying unit includes a humidifying barrel, the humidifying pipe opening of the humidifying barrel is located between the return air outlet and the evaporator, and humidity is provided to the working room through the humidifying barrel.

[0009] As a further solution of the present invention, a temperature and humidity controller is provided on the upper part of the air outlet, and the fan, heating unit, cooling unit and humidifying unit are all electrically connected to the temperature and humidity controller, which is used to monitor the temperature and humidity of the working room.

[0010] As a further solution of the present invention, a cover that can be opened or closed is provided on the top of the box body, which is convenient for maintenance of the fan, heating unit, cooling unit and humidifying unit.

[0011] As a further solution of the present invention, a plurality of test holes are provided on the box body, and the test holes are used for testing the samples under given environmental conditions.

[0012] The beneficial effects of the present invention are as follows: 1. The rapid temperature change and humidity test chamber provided by the present invention achieves the purpose of temperature regulation in the working room through the flow of heat and cold, so that the temperature in the working room is balanced and reaches the required working temperature, and also by arranging a humidifying unit between the return air outlet and the refrigeration unit, it can provide the studio with a humidity environment for testing.

[0013] 2. The rapid temperature change and humidity test chamber provided by the utility model adopts the method of air outlet on the left and right sides of the top of the studio and return air in the middle of the top. It is suitable for occasions where the front and back depth of the studio is small and the left and right width is large, so that the temperature uniformity and fluctuation in the studio can be easily controlled within the technical specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described with reference to the accompanying drawings. However, the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative effort.

[0015] Figure 1 This is a structural schematic diagram of a rapid temperature change and humidity test chamber of the utility model.

[0016] The numbers shown in the figure are: 1. Box body; 101. Working room; 102. Test hole; 103. Air outlet; 104. Return air outlet; 2. Fan; 3. Heating wire; 4. Evaporator; 5. Humidifier barrel; 6. Cover; 7. Water tray; 8. Temperature and humidity controller. DETAILED DESCRIPTION

[0017] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), such directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0018] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0019] The following will be combined with specific embodiments to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0020] Example 1

[0021] See Figure 1As shown, the structure of the utility model is: a rapid temperature change and humidity test chamber, comprising a chamber 1 and a studio 101 arranged in the chamber 1, the top of the studio 101 is provided with an air outlet 103 and a return air outlet 104 connected to each other, a circulation channel is formed between the return air outlet 104 and the air outlet 103, a fan 2, a heating unit, a cooling unit and a humidifying unit are arranged in the circulation channel, and the outlet of the fan 2 is connected to the air outlet 103. Specifically, the temperature of the studio 101 is raised by heating through the heating unit or lowered by cooling through the refrigeration unit. The heat generated by the heating unit or the cooling generated by the refrigeration unit is transported to the studio 101 through the air outlet 103 by installing a fan 2. At the same time, a return air outlet 104 is designed in the studio 101. The air flow in the studio 101 is returned from the return air outlet 104 at the top, taking away the heat and cooling in the studio 101. The purpose of temperature regulation in the studio 101 is achieved by the flow of heat and cooling, so that the temperature in the studio 101 is balanced to reach the required working temperature. In addition, a humidification unit is set between the return air outlet 104 and the refrigeration unit to provide a humidity environment for the experiment for the studio 101.

[0022] Furthermore, the return air vent 104 is located in the middle of the top of the studio 101, and the air outlets 103 are symmetrically arranged on both sides of the top of the studio 101, adopting a method of outlet air on both sides of the top of the studio 101 and return air in the middle of the top (see Figure 1 The black arrow in the middle indicates that the temperature uniformity and fluctuation in the working room 101 can be easily controlled within the technical specification requirements.

[0023] Furthermore, the heating unit includes a heating wire 3, which is used to heat the circulating air in the circulation channel and direct the hot air flow through the air outlet 103 into the working room 101 by the fan 2 to reach the required working temperature.

[0024] Furthermore, the refrigeration unit includes an evaporator 4, which is used to cool and cool the circulating air in the circulation channel. The cold air flow is led into the working room 101 through the air outlet 103 by the fan 2 to reach the required working temperature, and a water collecting pan 7 is provided at the bottom of the evaporator 4. The water collecting pan 7 is connected to the water collecting pan 7. The condensed water on the surface of the evaporator 4 is discharged out of the box 1 through the drain pipe.

[0025] Furthermore, the humidifying unit includes a humidifying barrel 5 , a humidifying pipe opening of the humidifying barrel 5 is located between the return air port 104 and the evaporator, and humidity is provided to the working chamber 101 through the humidifying barrel 5 .

[0026] Furthermore, a temperature and humidity controller 8 is provided above the air outlet 103 , and the fan 2 , heating unit, cooling unit and humidifying unit are all electrically connected to the temperature and humidity controller 8 , which is used to monitor the temperature and humidity of the studio 101 .

[0027] Furthermore, a cover plate 6 that can be opened or closed is provided on the top of the box body 1, so as to facilitate maintenance of the fan 2, the heating unit, the cooling unit and the humidifying unit.

[0028] Furthermore, the box body 1 is provided with a plurality of test holes 102 , which are used for testing samples under given environmental conditions.

[0029] During specific use, the temperature of the studio is increased by heating the heating wire 3 and decreased by cooling the evaporator 4. The heat emitted by the heating wire 3 and the cooling generated by the evaporator 4 are transported to the studio 101 by installing the fan 2. At the same time, the air outlet 103 and the return air outlet 104 are designed in the studio 101 to achieve the purpose of temperature regulation of the studio 101 through the flow of cold and hot air flows. In addition, the fan 2, heating unit, cooling unit and humidifying unit are installed on the top of the equipment, and the left and right spacing and positions can be changed differently. The design of the related matching top cover 6 and water receiving tray 7 can also be changed accordingly depending on the layout position.

[0030] The above further describes the present invention with the help of specific embodiments, but it should be understood that the specific description here should not be construed as limiting the essence and scope of the present invention. Various modifications made to the above embodiments by ordinary technicians in this field after reading this specification are all within the scope of protection of the present invention.

Claims

1. A rapid temperature change and humidity test chamber, characterized by: The invention comprises a box body (1) and a working room (101) arranged in the box body (1); an air outlet (103) and an air return port (104) are provided on the top of the working room (101), and a circulation channel is formed between the air return port (104) and the air outlet (103); a fan (2), a heating unit, a cooling unit and a humidifying unit are provided in the circulation channel; the outlet of the fan (2) is connected to the air outlet (103).

2. The rapid temperature change and humidity test chamber according to claim 1, characterized in that: The return air port (104) is located in the middle of the top of the studio (101), and air outlets (103) are symmetrically provided on both sides of the top of the studio (101).

3. The rapid temperature change and humidity test chamber according to claim 1, characterized in that: The heating unit comprises a heating wire (3), which is used to heat the circulating air in the circulation channel and to direct the hot air flow through the air outlet (103) into the working room (101) via the fan (2).

4. The rapid temperature change and humidity test chamber according to claim 1, characterized in that: The refrigeration unit comprises an evaporator (4), which is used to cool and reduce the temperature of the circulating air in the circulation channel, and the cold air flow is directed into the working room (101) through the air outlet (103) by the fan (2).

5. The rapid temperature change and humidity test chamber according to claim 4, characterized in that: A water receiving tray (7) is provided at the bottom of the evaporator (4), and a drain pipe is connected to the water receiving tray (7).

6. The rapid temperature change and humidity test chamber according to claim 1, characterized in that: The humidifying unit comprises a humidifying barrel (5), and the humidifying pipe opening of the humidifying barrel (5) is located between the return air port (104) and the evaporator.

7. The rapid temperature change and humidity test chamber according to claim 1, characterized in that: A temperature and humidity controller (8) is provided on the upper portion of the air outlet (103), and the fan (2), heating unit, cooling unit and humidifying unit are all electrically connected to the temperature and humidity controller (8).

8. The rapid temperature change and humidity test chamber according to claim 1, characterized in that: The top of the box body (1) is provided with a cover plate (6) that can be opened or closed tightly.

9. The rapid temperature change and humidity test chamber according to claim 1, characterized in that: The box body (1) is provided with a plurality of test holes (102).

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