High-low-temperature damp-heat test box with dry air blowing function

Abstract

The utility model discloses a high and low temperature damp heat test chamber with dry air purging, which comprises a test chamber body, two support plates are symmetrically and fixedly connected inside the test chamber body, a ventilation rotating box is rotatably connected between the two support plates, and the bottom of the ventilation rotating box is fixedly connected with an air blowing head. The ventilation device has the advantages that the rack and the gear are arranged, when the output end of the air cylinder drives the rack to move, the gear meshed with the rack is driven to rotate through movement of the rack, the first ventilation rotating pipe on the inner side is driven when the gear rotates, and the ventilation effect is achieved. By arranging the air inlet fan and the air outlet fan, the ventilation rotating box and the air blowing head are driven to conduct angle rotation adjusting treatment, the air blowing angle is adjusted, by arranging the refrigerating unit and the evaporator, air blown by the air inlet fan is refrigerated through evaporation heat absorption, and air blown by the air inlet fan is humidified through the humidifier.

Description

Technical Field

[0001] The utility model relates to the technical field of test chambers, in particular to a high-low temperature and humidity test chamber with dry air blowing. Background Art

[0002] The high and low temperature humidity test chamber (general temperature range: -70 to +150℃, humidity range: 10% to 98%) in the environmental testing industry tests the impact of the limit or general environment on the test product by simulating the temperature and humidity in the natural environment. This test chamber can be used for material testing used in the fields of automotive parts, electronic components, aerospace, scientific research institutions, and other fields, as well as high and low temperature humidity testing of other industrial products. However, the existing high and low temperature humidity test chamber with dry air blowing does not have the ability to adjust the wind blowing angle, and the blowing of the workpiece in the high and low temperature humidity test is not comprehensive enough, and the blowing position on the workpiece is not comprehensive enough. Utility Model Content

[0003] The purpose of the utility model is to provide a high and low temperature humidity and heat test chamber with dry air blowing, so as to solve the problems proposed in the above background technology that the existing high and low temperature humidity and heat test chamber with dry air blowing does not have the function of adjusting the wind blowing angle, the air blowing on the workpiece of the high and low temperature humidity and heat test is not comprehensive enough, and the position of blowing on the workpiece is not comprehensive enough.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high and low temperature humidity test box with dry wind blowing, comprising a test box body, two support plates symmetrically and fixedly connected inside the test box body, a ventilation rotating box rotatably connected between the two support plates, a blower head fixedly connected to the bottom of the ventilation rotating box, one of the support plates rotatably connected to a No. 1 ventilation rotating pipe inside, one end of the No. 1 ventilation rotating pipe is fixedly connected to the ventilation rotating box, a rotary joint is installed on one side of one of the support plates, one end of the No. 1 ventilation rotating pipe is connected to the rotary joint, and the end of the rotary joint away from the No. 1 ventilation rotating pipe is fixedly connected to the No. 2 ventilation rotating pipe Wind transfer pipe, the No. 2 ventilation transfer pipe is fixedly connected to the test box body, one side of the test box body is fixedly connected with a three-way connecting air duct, one end of the No. 2 ventilation transfer pipe is fixedly connected to the three-way connecting air duct, an industrial hot air blower is installed on one side of the test box body, the input end of the industrial hot air blower is fixedly connected with the No. 2 impurity filter air inlet pipe, the No. 2 impurity filter air inlet pipe is fixedly connected to the test box body, the output end of the industrial hot air blower is connected to the three-way connecting air duct through the air duct, the top of the test box body is fixedly connected with a ventilation box, the ventilation box and the three-way connecting air duct are connected through the air duct, and one side of the three-way connecting air duct is fixedly connected with a drying air duct;

[0005] A gear is fixedly connected to the outer side of the No. 1 ventilation rotating pipe, a rack is slidably connected to the inside of the support plate, the rack is meshed with the gear, a cylinder is installed inside the support plate, and the output end of the cylinder is fixedly connected to the rack.

[0006] As a preferred solution of the utility model: two No. 1 solenoid valves are arranged on the three-way connecting air duct, a No. 2 solenoid valve is arranged on the dry air duct, an air inlet fan is installed on the top of the test box body, an evaporator is installed inside the ventilation box, the output end of the air inlet fan is connected to the ventilation box through an air duct, the input end of the air inlet fan is fixedly connected to a No. 1 impurity filter air inlet pipe, the No. 1 impurity filter air inlet pipe is fixedly connected to the test box body, a refrigeration unit is installed on the top of the ventilation box, and the refrigeration unit and the evaporator are connected by a pipeline.

[0007] As a preferred solution of the utility model: a support seat is fixedly connected to the inside of the test box body, the top of the support seat is rotatably connected to a support turntable, the inside of the support seat is rotatably connected to a rotating rod, the top of the rotating rod is fixedly connected to the support turntable, a motor is installed at the bottom of the test box body, and the output end of the motor is fixedly connected to the rotating rod.

[0008] As a preferred solution of the utility model: a humidifier is installed inside the ventilation box, a temperature sensor is installed inside the test box body, and a box door is installed on one side of the test box body.

[0009] As a preferred solution of the utility model: a control panel is provided on one side of the test box body, and the temperature sensor, motor, cylinder, solenoid valve No. 1, solenoid valve No. 2, air intake fan, industrial hot air blower, evaporator, refrigeration unit and humidifier are all electrically connected to the control panel.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model realizes that when the output end of the cylinder drives the rack to move, the meshing gear is driven to rotate by the movement of the rack by setting a rack and a gear, and the rotation of the gear drives the No. 1 ventilation rotating pipe on the inside, thereby driving the ventilation rotating box and the blowing head to rotate and adjust the angle, and adjust the blowing angle. By setting a refrigeration unit and an evaporator, the evaporative heat absorption is realized to cool the air blown in by the air intake fan, and by setting a humidifier, the air blown by the air intake fan is humidified. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0013] Figure 3 It is the left view of the rack of the utility model.

[0014] In the figure: 1. Test box body; 2. Support base; 3. Support turntable; 4. No. 1 impurity filter air inlet duct; 5. Control panel; 6. Temperature sensor; 7. Box door; 8. Rotating rod; 9. Motor; 10. Support plate; 11. Ventilation rotary box; 12. Blowing head; 13. No. 1 ventilation rotary pipe; 14. Gear; 15. Rotary joint; 16. No. 2 ventilation rotary pipe; 17. Rack; 18. Cylinder; 19. Three-way connecting air duct; 20. No. 1 solenoid valve; 21. Drying air pipe; 22. No. 2 solenoid valve; 23. Air inlet fan; 24. Industrial hot air blower; 25. No. 2 impurity filter air inlet duct; 26. Ventilation box; 27. Evaporator; 28. Refrigeration unit; 29. ​​Humidifier. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figures 1 to 3 The utility model provides a technical solution: a high and low temperature humidity test box with dry wind blowing, including a test box body 1, two support plates 10 are symmetrically fixedly connected inside the test box body 1, a ventilation rotating box 11 is rotatably connected between the two support plates 10, and a blower head 12 is fixedly connected to the bottom of the ventilation rotating box 11, one of the support plates 10 is rotatably connected to a No. 1 ventilation rotating pipe 13, one end of the No. 1 ventilation rotating pipe 13 is fixedly connected to the ventilation rotating box 11, a rotary joint 15 is installed on one side of one of the support plates 10, one end of the No. 1 ventilation rotating pipe 13 is connected to the rotary joint 15, and the end of the rotary joint 15 away from the No. 1 ventilation rotating pipe 13 is fixedly connected to the No. 2 ventilation rotating pipe 1 6. The No. 2 ventilation transfer pipe 16 is fixedly connected to the test box body 1. A three-way connecting air duct 19 is fixedly connected to one side of the test box body 1. One end of the No. 2 ventilation transfer pipe 16 is fixedly connected to the three-way connecting air duct 19. An industrial hot air blower 24 is installed on one side of the test box body 1. The input end of the industrial hot air blower 24 is fixedly connected to the No. 2 impurity filter air inlet pipe 25. The No. 2 impurity filter air inlet pipe 25 is fixedly connected to the test box body 1. The output end of the industrial hot air blower 24 is connected to the three-way connecting air duct 19 through the air duct. A ventilation box 26 is fixedly connected to the top of the test box body 1. The ventilation box 26 and the three-way connecting air duct 19 are connected through the air duct. A drying air duct 21 is fixedly connected to one side of the three-way connecting air duct 19;

[0017] A gear 14 is fixedly connected to the outer side of the No. 1 ventilation rotating pipe 13, and a rack 17 is slidably connected to the inside of the support plate 10. The rack 17 is meshed with the gear 14. A cylinder 18 is installed inside the support plate 10, and the output end of the cylinder 18 is fixedly connected to the rack 17. The output end of the cylinder 18 drives the rack 17 to move, and when the rack 17 moves, it drives the meshed gear 14 to rotate. When the gear 14 rotates, it drives the No. 1 ventilation rotating pipe 13 on the inside to rotate. When the No. 1 ventilation rotating pipe 13 rotates, it drives the ventilation rotating box 11 and the blowing head 12 to adjust the angle, so as to perform a blowing experiment test on the workpiece on the support turntable 3.

[0018] Among them, two No. 1 solenoid valves 20 are arranged on the three-way connecting air duct 19, and a No. 2 solenoid valve 22 is arranged on the dry air pipe 21. An air inlet fan 23 is installed on the top of the test box body 1, and an evaporator 27 is installed inside the ventilation box 26. The output end of the air inlet fan 23 is connected to the ventilation box 26 through an air duct, and the input end of the air inlet fan 23 is fixedly connected to the No. 1 impurity filter air inlet pipe 4, and the No. 1 impurity filter air inlet pipe 4 is fixedly connected to the test box body 1. A refrigeration unit 28 is installed on the top of the ventilation box 26, and the refrigeration unit 28 and the evaporator 27 are connected through a pipeline.

[0019] Among them, the inside of the test box body 1 is fixedly connected to a support base 2, the top of the support base 2 is rotatably connected to a support turntable 3, the inside of the support base 2 is rotatably connected to a rotating rod 8, the top of the rotating rod 8 is fixedly connected to the support turntable 3, and a motor 9 is installed at the bottom of the test box body 1, and the output end of the motor 9 is fixedly connected to the rotating rod 8. The rotating rod 8 and the support turntable 3 are driven by the output end of the motor 9 to perform rotational adjustment, and the test workpiece on the top of the support turntable 3 is rotationally adjusted.

[0020] A humidifier 29 is installed inside the ventilation box 26 , a temperature sensor 6 is installed inside the test box body 1 , and a box door 7 is installed on one side of the test box body 1 .

[0021] Among them, a control panel 5 is provided on one side of the test box body 1, and the temperature sensor 6, motor 9, cylinder 18, solenoid valve No. 1 20, solenoid valve No. 2 22, air intake fan 23, industrial hot air blower 24, evaporator 27, refrigeration unit 28 and humidifier 29 are all electrically connected to the control panel 5. The device is centrally controlled through the control panel 5, which improves the safety and work efficiency of the device.

[0022] Specifically, when in use, the external power supply is energized, and the cylinder 18 is started through the control panel 5. The output end of the cylinder 18 drives the rack 17 to move, and the rack 17 drives the meshing gear 14 to rotate when it moves. When the gear 14 rotates, it drives the inner ventilation rotating pipe 13 to rotate. When the ventilation rotating pipe 13 rotates, it drives the ventilation rotating box 11 and the blowing head 12 to adjust the angle, so as to perform a blowing test on the workpiece on the supporting turntable 3. By opening the three-way connection on the air duct 19 One of the No. 1 solenoid valves 20 introduces hot air into the ventilation box 11 and the blowing head 12 through the industrial hot air blower 24, closes one of the No. 1 solenoid valves 20, starts the other No. 1 solenoid valve 20, starts the refrigeration unit 28 and the evaporator 27, starts the air intake fan 23, and the air intake fan 23 blows air into the ventilation box 26 through the evaporator 27 for cooling, blows it out through the blowing head 12, and introduces dry gas into the three-way connecting air duct 19 through the dry air pipe 21 to dry the inside of the test box body 1.

[0023] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0025] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high and low temperature humidity test chamber with dry air purge, comprising a test chamber body (1), characterized in that: Two support plates (10) are symmetrically fixedly connected inside the test box body (1), a ventilation rotating box (11) is rotatably connected between the two support plates (10), a blower head (12) is fixedly connected to the bottom of the ventilation rotating box (11), a first ventilation rotating pipe (13) is rotatably connected inside one of the support plates (10), one end of the first ventilation rotating pipe (13) is fixedly connected to the ventilation rotating box (11), a rotary joint (15) is installed on one side of one of the support plates (10), one end of the first ventilation rotating pipe (13) is connected to the rotary joint (15), and a second ventilation rotating pipe (16) is fixedly connected to the test box body (1). A three-way connecting air duct (19) is fixedly connected to one side of the test box body (1), one end of the second ventilation transfer pipe (16) is fixedly connected to the three-way connecting air duct (19), an industrial hot air blower (24) is installed on one side of the test box body (1), the input end of the industrial hot air blower (24) is fixedly connected to the second impurity filter air inlet pipe (25), the second impurity filter air inlet pipe (25) is fixedly connected to the test box body (1), the output end of the industrial hot air blower (24) is connected to the three-way connecting air duct (19) through the air duct, the top of the test box body (1) is fixedly connected to a ventilation box (26), the ventilation box (26) and the three-way connecting air duct (19) are connected through the air duct, and one side of the three-way connecting air duct (19) is fixedly connected to a drying air duct (21); The outer side of the No. 1 ventilation rotating pipe (13) is fixedly connected with a gear (14), the interior of the support plate (10) is slidably connected with a rack (17), the rack (17) is meshingly connected with the gear (14), and a cylinder (18) is installed inside the support plate (10), and the output end of the cylinder (18) is fixedly connected with the rack (17).

2. A high and low temperature and humidity test chamber with dry air purge according to claim 1, characterized in that: The three-way connecting air duct (19) is provided with two No. 1 solenoid valves (20), the drying air duct (21) is provided with a No. 2 solenoid valve (22), an air inlet fan (23) is installed on the top of the test box body (1), an evaporator (27) is installed inside the ventilation box (26), the output end of the air inlet fan (23) is connected to the ventilation box (26) through an air duct, the input end of the air inlet fan (23) is fixedly connected to a No. 1 impurity filter air inlet pipe (4), the No. 1 impurity filter air inlet pipe (4) is fixedly connected to the test box body (1), a refrigeration unit (28) is installed on the top of the ventilation box (26), and the refrigeration unit (28) and the evaporator (27) are connected through a pipeline.

3. A high and low temperature and humidity test chamber with dry air purge according to claim 2, characterized in that: The interior of the test box body (1) is fixedly connected to a support seat (2), the top of the support seat (2) is rotatably connected to a support turntable (3), the interior of the support seat (2) is rotatably connected to a rotating rod (8), the top of the rotating rod (8) is fixedly connected to the support turntable (3), and a motor (9) is installed at the bottom of the test box body (1), and the output end of the motor (9) is fixedly connected to the rotating rod (8).

4. A high and low temperature humidity test chamber with dry air purge according to claim 3, characterized in that: A humidifier (29) is installed inside the ventilation box (26), a temperature sensor (6) is installed inside the test box body (1), and a box door (7) is installed on one side of the test box body (1).

5. A high and low temperature humidity test chamber with dry air purge according to claim 4, characterized in that: A control panel (5) is provided on one side of the test box body (1); the temperature sensor (6), the motor (9), the cylinder (18), the No. 1 solenoid valve (20), the No. 2 solenoid valve (22), the air inlet fan (23), the industrial hot air blower (24), the evaporator (27), the refrigeration unit (28) and the humidifier (29) are all electrically connected to the control panel (5).

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