CN209373458U - A temperature change screening test chamber with a horizontal air transport structure - Google Patents

Abstract

The utility model discloses a temperature change screening test box with a horizontal air transport structure. The box door, the middle part of the bottom end of the test box body is fixedly equipped with a rotating motor, the transmission shaft of the rotating motor is fixedly connected with the middle part of the bottom end of the tray, and the middle part of one side of the test box body is fixedly provided with an installation box. The temperature change screening test chamber of the wind structure, the axial flow motor is set to drive the fan blades to rotate, so that the air can be transported horizontally in the test box body, and the set rotating motor is easy to drive the tray to rotate, so that the product can be evenly heated ; The telescopic end of the set electric telescopic rod moves up and down to facilitate the rotation of the windshield and adjust the position of the windshield, thereby changing the air intake according to the actual situation.

Description

A temperature change screening test chamber with a horizontal air transport structure

technical field

The utility model relates to a test box, in particular to a temperature change screening test box with a horizontal air transport structure, which belongs to the technical field of environmental stress screening.

Background technique

Environmental stress screening is a series of tests conducted under environmental stress to find and eliminate defective parts, components, and process defects in products and prevent early failure. Among them, environmental stress is selected according to the effect of product screening. For electronic products, environmental stress mainly chooses temperature cycle, which is realized by using corresponding test chambers; however, there are certain disadvantages in the use of existing test chambers. First, impurities in the air cannot be well blocked out during the working process. Secondly, the materials in the test chamber cannot be heated evenly, which is not conducive to the temperature cycle of the materials. The air humidity in the chamber should be controlled to avoid condensation on the product during the test. If there is condensation on the product, it will cause the product to degrade or be damaged due to the influence of non-temperature changes (ie condensation), which will cause errors in the test results.

Utility model content

The purpose of this utility model is to provide a temperature change screening test chamber with a horizontal air transport structure to solve the problem that the materials in the test chamber cannot be heated evenly and are not conducive to the temperature cycle of the materials proposed in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a temperature change screening test box with a horizontal air transport structure, including the test box body, and the four corners of the bottom end of the test box body are fixed with universal The front of the test box body is fixed with a box door, and the middle part of the bottom end of the test box body is fixedly equipped with a rotating motor, and the transmission shaft of the rotating motor is fixedly connected with the middle part of the bottom end of the tray. The middle part of the side is fixed with an installation box, the top of the installation box is provided with several air inlets, one side of the installation box is fixed with an axial flow motor, and the transmission shaft of the axial flow motor passes through the box of the installation box The wall is fixedly connected with the fan blades, the connection between the installation box and the test box body is fixedly provided with an air outlet, one side of the inner bottom of the installation box is fixedly installed with an electric telescopic rod, and the telescopic end of the electric telescopic rod passes through the first A connecting rod is fixedly connected to one side of the second connecting rod, and the other side of the second connecting rod is fixedly equipped with several first supporting rods, and one end of the first supporting rod is connected to the second supporting rod through a pin shaft. One end of the second support rod is rotationally connected, the other end of the second support rod is fixedly connected to one side of the windshield, both ends of the windshield are rotationally connected to the inner walls of both sides of the air outlet through a rotating shaft, and the test box body A humidity controller is fixedly installed in the middle of the other side, the detection probe of the humidity controller is placed on the inner wall of the other side of the test box body, and a humidifier is fixedly installed on the top of the other side of the test box body. The water outlet of the device is fixedly equipped with an atomizing nozzle, and a pressure controller is fixedly installed on the top of one side of the test box body. The detection probe of the pressure controller is placed on the inner wall of one side of the test box body, and the test box body An exhaust pipe is fixedly installed on the top of one side, and an exhaust valve is fixedly installed in the middle of the exhaust pipe.

As a preferred technical solution of the present invention, the side of the tray is fixed with baffles, and the surface of the tray and the surface of the baffle are both provided with several through holes.

As a preferred technical solution of the utility model, a filter screen is fixedly provided on the surface of the air inlet.

As a preferred technical solution of the present invention, an observation window is fixedly provided in the middle of one side of the box door, and an electric heating film is fixedly provided on the surface of the observation window.

As a preferred technical solution of the present utility model, the model of the pressure controller is SC207-BP, and the exhaust valve is electrically connected to the power supply through the pressure controller, the model of the humidity controller is AK8002, and The humidifier is electrically connected to a power supply through a humidity controller.

As a preferred technical solution of the utility model, a switch panel is fixed on the bottom of one side of the box door, and the surface of the switch panel is fixed with a rotating motor switch, an axial flow motor switch and an electric telescopic rod switch. The motor, the axial flow motor and the electric telescopic rod are electrically connected to the power supply through the rotary motor switch, the axial flow motor switch and the electric telescopic rod switch respectively.

Compared with the prior art, the beneficial effect of the utility model is: the utility model is a temperature change screening test box with a horizontal air transport structure, and the axial flow motor is arranged to facilitate the rotation of the fan blades, thereby improving the temperature of the test box. The air is transported horizontally in the body, and the set rotating motor is convenient to drive the tray to rotate, so that the product can be heated evenly; the telescopic end of the set electric telescopic rod moves up and down to drive the windshield to rotate and adjust the position of the windshield , so as to change the air intake according to the actual situation; through the set humidity controller, it is convenient to detect the humidity in the test box body. When the humidity is lower than the set humidity, the humidity controller will automatically control the humidifier to work, and the set observation window is convenient to observe the test box. In the case of the main body, the electric heating film installed can prevent the surface of the observation window from condensation or fogging, which will affect the observation of the staff.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial enlarged structural representation of the utility model;

Fig. 3 is the structural representation of the utility model box door;

Fig. 4 is a structural schematic diagram of the air inlet of the utility model.

In the figure: 1. Test box body; 2. Universal wheels; 3. Box door; 4. Observation window; 5. Rotating motor; 6. Tray; 7. Baffle; 8. Installation box; 9. Air inlet; 10 , filter screen; 11, axial flow motor; 12, fan blade; 13, electric telescopic rod; 14, first connecting rod; 15, second connecting rod; 16, first supporting rod; 17, second supporting rod; 18 , windshield; 19, rotating shaft; 20, pressure controller; 21, exhaust pipe; 22, exhaust valve; 23, humidity controller; 24, humidifier; 25, atomizing nozzle; 26, switch panel.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a temperature change screening test box with a horizontal air transport structure, including the test box body 1, and the four corners of the bottom end of the test box body 1 are fixed with universal wheels 2. The front of the test box body 1 is fixed with a box door 3, and the middle part of the bottom end of the test box body 1 is fixedly installed with a rotating motor 5, and the transmission shaft of the rotating motor 5 is fixedly connected with the middle part of the bottom end of the tray 6. The middle part of the installation box 8 is fixedly provided with several air inlets 9 on the top of the installation box 8, and an axial flow motor 11 is fixedly installed on one side of the installation box 8, and the transmission shaft of the axial flow motor 11 passes through the box of the installation box 8. The wall is fixedly connected with the fan blade 12, the connection between the installation box 8 and the test box body 1 is fixedly provided with an air outlet, and one side of the bottom end of the installation box 8 is fixedly installed with an electric telescopic rod 13, and the telescopic end of the electric telescopic rod 13 passes through the first One connecting rod 14 is fixedly connected with one side of the second connecting rod 15, and the other side of the second connecting rod 15 is fixedly equipped with several first supporting rods 16, and one end of the first supporting rod 16 is connected with the second supporting rod by a bearing pin. One end of the rod 16 is rotatably connected, the other end of the second support rod 16 is fixedly connected to one side of the windshield 18, and both ends of the windshield 18 are rotatably connected to the inner walls of both sides of the air outlet through the rotating shaft 19. A humidity controller 23 is fixedly installed in the middle of the other side of 1, the detection probe of the humidity controller 23 is placed on the inner wall of the other side of the test box body 1, and a humidifier 24 is fixedly installed on the top of the other side of the test box body 1 to humidify The water outlet of the device 24 is fixedly equipped with an atomizing nozzle 25, and a pressure controller 20 is fixedly installed on the top of one side of the test box body 1. The detection probe of the pressure controller 20 is placed on the inner wall of one side of the test box body 1, and the test box body One side top of 1 is fixedly provided with exhaust pipe 21, and the middle part of exhaust pipe 21 is fixedly equipped with exhaust valve 22.

Preferably, the sides of the tray 6 are fixed with baffles 7, and the surfaces of the tray 6 and the baffles 7 are provided with several through holes, so that the products can be evenly heated.

Preferably, the surface of the air inlet 9 is fixedly provided with a filter screen 10, which is convenient for filtering impurities and dust in the air.

Preferably, the middle part of one side of the chamber door 3 is fixedly provided with an observation window 4, and the surface of the observation window 4 is fixedly provided with an electrothermal film, which is convenient for observing the heating situation in the test box body 1 through the observation window 4, and the provided electrothermal film can prevent The surface of the observation window 4 is water-dropped or fogged, which affects the observation of the staff.

Preferably, the model of the pressure controller 20 is SC207-BP, and the exhaust valve 22 is electrically connected to the power supply through the pressure controller 20. When the air pressure in the test chamber body 1 is higher than the set value, the pressure controller 20 automatically Control the opening of the exhaust valve 22, and perform exhaust and pressure relief through the exhaust pipe 21. The model of the humidity controller 23 is AK8002, and the humidifier 24 is electrically connected to the power supply through the humidity controller 23. When the humidity inside the test chamber body 1 When the humidity is lower than the set value, the humidity controller 23 automatically controls the humidifier 24 to work.

Preferably, box door 3 one side bottoms are fixedly provided with switch panel 26, and the surface of switch panel 26 is fixedly provided with rotary motor switch, axial flow motor switch and electric telescopic rod switch, rotary motor 5, axial flow motor 11 and electric telescopic rod switch. 13 are respectively electrically connected to the power supply through the rotary motor switch, the axial flow motor switch and the electric telescopic rod switch, and the control switch on the surface of the switch panel 26 is convenient to control the work of each electrical appliance.

During specific use, a temperature change screening test box with a horizontal air transport structure of the utility model, firstly open the box door 3, place the product to be detected on the tray 6, close the box door 3; control the test box body 1 to To reach the required temperature value, then set the parameters of the pressure controller 20 and the parameters of the humidity controller 23; The rotation of the shaft drives the tray 6 to rotate, the drive shaft of the axial flow motor 11 drives the fan blade 12 to rotate, and then controls the expansion and contraction of the telescopic end of the electric telescopic rod 13 through the electric telescopic rod switch, thereby driving the windshield 18 to rotate and adjust the windshield The position of the plate 18 changes the air volume; when the humidity inside the test box body 1 is lower than the set value, the humidity controller 23 automatically controls the humidifier 24 to work, so that the humidifier 24 is connected to the test box body 1 through the atomizing nozzle 25. Humidification is carried out inside; when the air pressure in the test box body 1 is higher than the set value, the pressure controller 20 automatically controls the exhaust valve 22 to open, and the exhaust pipe 21 is used for exhaust and pressure relief.

In the description of the utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In the present utility model, unless otherwise specified and limited, for example, it may be a fixed connection, or a detachable connection, or integrated; it may be a mechanical connection, or it may be an electrical connection; it may be a direct connection, or It can be indirectly connected through an intermediary, or it can be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, those of ordinary skill in the art can understand the above terms in this document according to the specific situation. Concrete meaning in utility model.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A temperature change screening test chamber with a horizontal air transport structure, comprising a test chamber body (1), characterized in that four corners of the bottom end of the test chamber body (1) are fixedly equipped with universal wheels (2), the front of the test box body (1) is fixedly provided with a box door (3), and the middle part of the bottom end of the test box body (1) is fixedly equipped with a rotating motor (5), and the rotating motor (5) The drive shaft is fixedly connected to the middle part of the bottom end of the tray (6), and the middle part of the test box body (1) side is fixed with an installation box (8), and the top of the installation box (8) is provided with several air inlets (9), an axial flow motor (11) is fixedly installed on one side of the installation box (8), and the transmission shaft of the axial flow motor (11) passes through the box wall of the installation box (8) and the fan blade (12 ) is fixedly connected, the connection between the installation box (8) and the test box body (1) is fixedly provided with an air outlet, and one side of the inner bottom of the installation box (8) is fixedly installed with an electric telescopic rod (13). The telescopic end of the electric telescopic rod (13) is fixedly connected to one side of the second connecting rod (15) through the first connecting rod (14), and the other side of the second connecting rod (15) is fixedly installed with several First support rod (16), one end of the first support rod (16) is rotationally connected with one end of the second support rod (17) through a pin shaft, and the other end of the second support rod (17) is connected to the windshield One side of the plate (18) is fixedly connected, and both ends of the windshield (18) are rotatably connected with the inner walls of both sides of the air outlet through the rotating shaft (19), and the other side of the test box body (1) is in the middle A humidity controller (23) is fixedly installed, and the detection probe of the humidity controller (23) is placed on the other side inner wall of the test box body (1), and the other side top of the test box body (1) is fixedly installed. There is a humidifier (24), the water outlet of the humidifier (24) is fixedly equipped with an atomizing nozzle (25), and the top of one side of the test box body (1) is fixedly equipped with a pressure controller (20). The detection probe of the pressure controller (20) is placed on the inner wall of one side of the test box body (1), and the top of one side of the test box body (1) is fixedly provided with an exhaust pipe (21), and the exhaust pipe The middle part of (21) is fixedly equipped with exhaust valve (22). 2. A temperature change screening test chamber with a horizontal air transport structure according to claim 1, characterized in that: the side of the tray (6) is fixedly provided with a baffle (7), and the tray ( 6) and the surface of the baffle (7) are provided with several through holes. 3. A temperature change screening test chamber with a horizontal air transport structure according to claim 1, characterized in that: the surface of the air inlet (9) is fixedly provided with a filter screen (10). 4. A kind of temperature change screening test chamber with horizontal air transport structure according to claim 1, characterized in that: the middle part of one side of the chamber door (3) is fixedly provided with an observation window (4), the The surface of the observation window (4) is fixedly provided with an electrothermal film. 5. A kind of temperature change screening test box with horizontal air transport structure according to claim 1, characterized in that: the model of the pressure controller (20) is SC207-BP, and the exhaust valve ( 22) The pressure controller (20) is electrically connected to the power supply, the model of the humidity controller (23) is AK8002, and the humidifier (24) is electrically connected to the power supply through the humidity controller (23). 6. A temperature change screening test chamber with a horizontal air transport structure according to claim 1, characterized in that: a switch panel (26) is fixed at the bottom of one side of the door (3), and the switch The surface of the panel (26) is fixedly provided with a rotary motor switch, an axial flow motor switch and an electric telescopic rod switch. The axial flow motor switch and the electric telescopic rod switch are electrically connected with the power supply.