Constant-temperature and constant-humidity test box with ventilation function
By introducing a stratification component and a uniform air intake component into the constant temperature and humidity test chamber, the problems of uneven airflow and accumulation are solved, achieving stratified air exchange and uniform air delivery, thus improving the temperature and humidity control capability of the test chamber.
Patent Information
- Application Number
- CN202422974137.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing test chambers suffer from uneven airflow during ventilation, making it impossible to achieve stratified ventilation and causing airflow accumulation.
A constant temperature and humidity test chamber with a layered component and a uniform air intake component was designed. The temperature and humidity thresholds inside the chamber are detected by temperature and humidity sensors. The motor drives the pulley and the sealing plate to rotate to isolate the airflow in layers. The airflow is uniformly distributed through the cooperation of the filter screen, activated carbon filter plate and fan.
It achieves stratified air exchange and uniform air delivery within the test chamber, ensuring that the airflow is evenly distributed within the chamber, thereby improving the uniformity of temperature and humidity and the test results.
Smart Images

Figure CN223570740U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test box technical field, concretely is a constant temperature and humidity test chamber with ventilation function. BACKGROUND
[0002] In the 17th century, with the rise of natural science, scientists gradually deepened the research on various natural phenomena and material change law, at that time, the research mainly relied on observation under natural environment, but this way was limited by uncontrollable natural conditions, for example, when studying the influence of temperature on biological growth, the change of season and weather made it difficult to carry out the experiment under stable conditions, in order to observe and study more accurately, people began to try to build some simple devices that could simulate the change of single factor in natural environment, which could be regarded as the prototype of test box, in the 18th century, when chemists studied the chemical reaction of substances, they found that temperature and humidity had a significant influence on reaction rate and result, so some simple glass containers with temperature regulation function were made, these containers controlled the internal temperature by heating or cooling the surrounding medium, and were used to observe the reaction of chemical substances under different temperatures, which was a form of early temperature control test box, wherein the metal soft magnetic core is usually used together with other materials, such as insulating materials, packaging materials, etc., the constant temperature and humidity test chamber can help to study the compatibility between the metal soft magnetic core and these materials under different temperature and humidity conditions.
[0003] In the prior art, during the research and production process of electronic equipment, it needs to be tested for a long time, the test box can simulate different temperature and humidity environment, in the using process, the test box cannot carry out layered ventilation according to the layered situation of temperature and humidity and gas composition in the box, and in the ventilation process, the air flow is usually accumulated together, which cannot be uniformly distributed in the box.
[0004] Therefore, a constant temperature and humidity test chamber with ventilation function is provided. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a constant temperature and humidity test chamber with ventilation function to solve the problems in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a constant temperature and humidity test chamber with ventilation function, comprising a test chamber, the bottom of the test chamber is fixedly installed with cushion blocks at both sides, the front of the test chamber is movably installed with a cabinet door, the surface of the cabinet door is fixedly installed with a handle, the surface of the cabinet door is fixedly installed with a controller, the inside of the test chamber is provided with a layered assembly, and the surface of the test chamber is provided with an even air inlet assembly.
[0007] Preferably, the layered assembly specifically includes: temperature and humidity sensors fixedly installed on the top and bottom of the inner wall of the test box; a back plate fixedly installed on the back of the test box; a motor fixedly installed on one side of the back plate; the output end of the motor is fixedly installed with a rotating shaft, the other end of the rotating shaft is movably penetrated through one side of the back plate and extends to the other side of the back plate, and the other end of the rotating shaft is fixedly installed with a belt pulley one.
[0008] Preferably, the test box is fixedly installed with a placing frame on both sides of the inner wall, equidistantly fixedly installed with a connecting plate between the inner sides of the placing frame, fixedly installed with a sealing gasket one on one side of the connecting plate, fixedly installed with a limiting strip on one side of the connecting plate, fixedly installed with a sealing gasket two on the bottom of the inner wall of the placing frame, and a groove is formed on one side of the placing frame.
[0009] Preferably, a rotating rod one is rotatably connected between the inner walls of the placing frame, a sealing plate is fixedly sleeved on the outer wall of the rotating rod one, a rubber pad is fixedly installed on the top of the sealing plate, one end of the rotating rod one is movably penetrated through one side of the inner wall of the placing frame and extends to the inside of the groove, a belt pulley two is fixedly installed on one end of the rotating rod one, holes are formed on both sides of the test box, a belt is in transmission connection with the surface of the belt pulley two, and the surface of the belt is penetrated through the inside of the hole and extends out of the test box and is in transmission connection with the surface of the belt pulley one. When the temperature and humidity of the top and bottom of the test box reaches the set threshold value, the controller starts the motor to drive the belt pulley one to rotate, the belt drives the belt pulley two, the rotating rod one and the sealing plate to rotate, the sealing plate is sealed, the top and bottom are isolated, the airflow is sealed through the sealing gasket one, the limiting strip and the sealing gasket two, and the layered ventilation is realized in cooperation with the uniform air inlet assembly, and finally the layered effect is achieved.
[0010] Preferably, the uniform air inlet assembly specifically includes: an air outlet pipe fixedly and equidistantly communicated on one side of the test box; a filter screen one fixedly installed between the inner walls of the air outlet pipe; an activated carbon filter plate one fixedly installed between the inner walls of the air outlet pipe; an electronic valve fixedly and communicated on the surface of the air outlet pipe; and an adjusting box fixedly and equidistantly communicated on the back of the test box.
[0011] Preferably, a rotating rod two is rotatably connected between the inner walls of the adjusting box, a flow guide plate is fixedly sleeved on the outer wall of the rotating rod two, and one end of the rotating rod two is movably penetrated through one side of the inner wall of the adjusting box and extends to the outside of the adjusting box. One end of the rotating rod two is fixedly connected with a gear.
[0012] Preferably, a double-end air cylinder is fixedly installed on the back of the test box, a tooth plate is fixedly installed on the telescopic end of the double-end air cylinder, and the surface of the tooth plate is in meshing connection with the surface of the gear.
[0013] Preferably, one side of the adjusting box is communicated with an air inlet pipe, the inner wall of the air inlet pipe is fixedly installed with a filter screen two, the inner wall of the air inlet pipe is fixedly installed with an activated carbon filter plate two, the surface of the air inlet pipe is communicated with an electronic valve two, the inner wall of the air inlet pipe is fixedly installed with a fan, the passages of the air outlet pipe and the air inlet pipe can be opened through the electronic valve one and the electronic valve two, the air current is made to enter through the fan, dust and impurities are filtered through the filter screen one, the activated carbon filter plate one, the filter screen two and the activated carbon filter plate two, the entry of dust is prevented, the air current can be uniformly entered through the cooperation of the adjusting box, the rotating rod two, the flow guide plate, the gear, the double-end cylinder and the gear, and the effect of uniform air intake is finally achieved.
[0014] The utility model provides a constant temperature and humidity test chamber with ventilation function.
[0015] (1) the utility model discloses a layered component can realize the effect of layered ventilation, cooperate with the uniform air intake component, when needing to carry out layered ventilation, the temperature and humidity sensor can capture the top and bottom temperature and humidity in the test chamber, after reaching the threshold value set, information is sent to the controller, the controller starts the motor work, drives the belt pulley one rotation, and drives the belt pulley two, rotating rod one, sealing plate rotation through the belt, makes sealing plate parallel to it, isolates the air current, then carries out ventilation, accurately ventilates the hot air of the upper layer and the cold air of the lower layer in the chamber, realizes the effect of layered ventilation.
[0016] (2) the utility model discloses setting up the uniform air intake component can carry out the even intake, starts electronic valve one, electronic valve two and makes the valve open, starts the fan work, the air current is filtered and purified through filter screen two, activated carbon filter plate two, starts double-end cylinder and drives the gear plate to remove, the gear plate drives the gear, rotating rod two rotation, and drives the flow guide plate to rotate, when the air current passes through the flow guide plate, carries out the even air supply up and down, promotes the uniform distribution of temperature and humidity in the chamber, finally reaches the effect of even air supply. ACCOUT OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the test chamber section structure schematic diagram of the utility model;
[0019] Figure 3 It is the test chamber back structure schematic diagram of the utility model;
[0020] Figure 4 It is the layered component local structure schematic diagram of the utility model;
[0021] Figure 5 It is the uniform air intake component local structure schematic diagram of the utility model.
[0022] In the figure: 1 test box, 2 pad, 3 cabinet door, 4 handle, 5 controller, 6 layered assembly, 611 temperature and humidity sensor, 612 back plate, 613 motor, 614 pulley one, 615 placement frame, 616 connecting plate, 617 sealing pad one, 618 limiting strip, 619 sealing pad two, 6111 groove, 6112 rotating rod one, 6113 sealing plate, 6114 pulley two, 7 uniform air inlet assembly, 711 air outlet pipe, 712 filter screen one, 713 activated carbon filter plate one, 714 electronic valve one, 715 adjustment box, 716 rotating rod two, 717 guide plate, 718 gear, 719 double-end air cylinder, 7111 tooth plate, 7112 air inlet pipe, 7113 filter screen two, 7114 activated carbon filter plate two, 7115 electronic valve two, 7116 fan. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. EMBODIMENT
[0025] The preferred embodiment of the constant-temperature and constant-humidity test box with air exchange function provided by the present application is shown in the figure Figures 1-5 The constant-temperature and constant-humidity test box with air exchange function includes a test box 1, pad 2 is fixedly installed on both sides of the bottom of the test box 1 at equal intervals, a cabinet door 3 is movably installed on the front of the test box 1, a handle 4 is fixedly installed on the surface of the cabinet door 3, a controller 5 is fixedly installed on the surface of the cabinet door 3, a layered assembly 6 is arranged in the test box 1, and a uniform air inlet assembly 7 is arranged on the surface of the test box 1.
[0026] The layered assembly 6 specifically includes: a temperature and humidity sensor 611 fixedly installed on the top and bottom inner walls of the test box 1; a back plate 612 fixedly installed on the back of the test box 1; a motor 613 fixedly installed on one side of the back plate 612; a rotating shaft is fixedly installed on the output end of the motor 613, the other end of the rotating shaft movably penetrates one side of the back plate 612 and extends to the other side of the back plate 612, and a pulley one 614 is fixedly installed on the other end of the rotating shaft.
[0027] The inner wall of the test box 1 is fixedly provided with a placing frame 615 on both sides, equidistantly fixedly provided with a connecting plate 616 between the inner sides of the placing frame 615, fixedly provided with a sealing gasket I 617 on one side of the connecting plate 616, fixedly provided with a limiting strip 618 on one side of the connecting plate 616, fixedly provided with a sealing gasket II 619 on the bottom of the inner wall of the placing frame 615, and a groove 6111 is formed in one side of the placing frame 615.
[0028] A rotating rod I 6112 is rotatably connected between the inner walls of the placing frame 615, the outer wall of the rotating rod I 6112 is fixedly provided with an enclosing plate 6113, the top of the enclosing plate 6113 is fixedly provided with a rubber pad, one end of the rotating rod I 6112 is movably penetrated through one side of the inner wall of the placing frame 615 and extends into the interior of the groove 6111, one end of the rotating rod I 6112 is fixedly provided with a belt pulley II 6114, holes are formed in both sides of the test box 1, a belt is drivingly connected to the surface of the belt pulley II 6114, and the surface of the belt is penetrated through the interior of the hole and extends out of the test box 1 and is drivingly connected to the surface of the belt pulley I 614.
[0029] In the present example, the layered assembly 6 can achieve the effect of layered ventilation, and cooperates with the uniform air inlet assembly 7, when layered ventilation is needed, the temperature and humidity sensor 611 can capture the temperature and humidity of the interior, top and bottom of the test box 1, and when the set threshold is reached, the information is sent to the controller 5, the controller 5 starts the motor 613 to work, drives the belt pulley I 614 to rotate, and drives the belt pulley II 6114, the rotating rod I 6112 and the enclosing plate 6113 to rotate through the belt, so that the enclosing plate 6113 is parallel to it, and the airflow is isolated, and then the ventilation is carried out, so as to achieve the effect of layered ventilation. Embodiment
[0030] On the basis of the first embodiment, the preferred embodiment of the constant temperature and humidity test box with the ventilation function provided by the utility model is Figures 1-5 As shown in the figure: the uniform air inlet assembly 7 specifically comprises: an air outlet pipe 711, which is equidistantly and communicatively installed on one side of the test box 1; a filter screen I 712, which is fixedly installed between the inner walls of the air outlet pipe 711; an activated carbon filter plate I 713, which is fixedly installed between the inner walls of the air outlet pipe 711; an electronic valve 714, which is communicatively installed on the surface of the air outlet pipe 711; and an adjusting box 715, which is equidistantly and communicatively installed on the back of the test box 1.
[0031] A rotating rod II 716 is rotatably connected between the inner walls of the adjusting box 715, the outer wall of the rotating rod II 716 is fixedly provided with a flow guide plate 717, one end of the rotating rod II 716 is movably penetrated through one side of the inner wall of the adjusting box 715 and extends to the outside of the adjusting box 715, and one end of the rotating rod II 716 is fixedly connected with a gear 718.
[0032] The back of the test box 1 is fixedly provided with a double-end cylinder 719, and the telescopic end of the double-end cylinder 719 is fixedly provided with a toothed plate 7111, and the surface of the toothed plate 7111 is meshingly connected with the surface of a gear 718.
[0033] A gas inlet pipe 7112 is communicatively arranged on one side of the adjusting box 715, the inner wall of the gas inlet pipe 7112 is fixedly provided with a filter screen two 7113, the inner wall of the gas inlet pipe 7112 is fixedly provided with an activated carbon filter plate two 7114, the surface of the gas inlet pipe 7112 is communicatively provided with an electronic valve two 7115, and the inner wall of the gas inlet pipe 7112 is fixedly provided with a fan 7116.
[0034] In this example, the uniform air inlet assembly 7 is arranged to uniformly intake air, the electronic valve one 714 and the electronic valve two 7115 are started to open the valves, the fan 7116 is started to work, the airflow is filtered and purified through the filter screen two 7113 and the activated carbon filter plate two 7114, the double-end cylinder 719 is started to drive the toothed plate 7111 to move, the toothed plate 7111 drives the gear 718 and the rotating rod two 716 to rotate, and drives the flow guide plate 717 to rotate, when the airflow passes through the flow guide plate 717, the airflow is uniformly sent up and down, and finally the function of uniformly sending air is achieved.
[0035] Working principle: first, the layered assembly 6 is arranged to achieve the function of layered ventilation, and the top and bottom airflows in the test box 1 are accurately ventilated, when layered ventilation is needed, the temperature and humidity sensor 611 can capture the top and bottom temperature and humidity in the test box 1, when the threshold value is reached, the information is sent to the controller 5, the controller 5 starts the motor 613 to work, drives the belt pulley one 614 to rotate, and drives the belt pulley two 6114, the rotating rod one 6112 and the sealing plate 6113 to rotate through the belt, so that the sealing plate 6113 is parallel to each other, the airflow is isolated, the limiting strip 618 can limit the sealing plate 6113, the sealing gasket one 617 and the sealing gasket two 619 are simultaneously sealed to prevent air leakage, then the air is ventilated, then the uniform air inlet assembly 7 is arranged to uniformly intake air, the electronic valve one 714 and the electronic valve two 7115 are started to open the valves, the fan 7116 is started to work, the airflow is filtered and purified through the filter screen two 7113 and the activated carbon filter plate two 7114, the double-end cylinder 719 is started to drive the toothed plate 7111 to move, the toothed plate 7111 drives the gear 718 and the rotating rod two 716 to rotate, and drives the flow guide plate 717 to rotate, when the airflow passes through the flow guide plate 717, the airflow is uniformly sent up and down, the air in the test box 1 itself is discharged through the air outlet pipe 711, the filter screen one 712 and the activated carbon filter plate one 713 can prevent dust from entering the air outlet pipe 711, after the ventilation is completed, the electronic valve one 714 and the electronic valve two 7115 are started to close the valves, and finally the functions of layered ventilation and uniform air sending are achieved.
[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A constant temperature and humidity test chamber with ventilation function, comprising a test chamber (1), characterized in that: The test chamber (1) has pads (2) fixedly installed at equal intervals on both sides of the bottom. The test chamber (1) has a cabinet door (3) installed on the front. The cabinet door (3) has a handle (4) fixedly installed on its surface. The cabinet door (3) has a controller (5) fixedly installed on its surface. The test chamber (1) has a layered component (6) inside and a uniform air intake component (7) on its surface.
2. The constant temperature and humidity test chamber with ventilation function according to claim 1, characterized in that: The layered component (6) specifically includes: Temperature and humidity sensor (611) is fixedly installed on the top and bottom of the inner wall of the test chamber (1); The back panel (612) is fixedly installed on the back of the test chamber (1); The motor (613) is fixedly mounted at equal intervals on one side of the back plate (612); The output end of the motor (613) is fixedly mounted with a rotating shaft, the other end of which movably passes through one side of the back plate (612) and extends to the other side of the back plate (612), and the other end of the rotating shaft is fixedly mounted with a pulley (614).
3. A constant temperature and humidity test chamber with ventilation function according to claim 2, characterized in that: The test chamber (1) has a placement frame (615) fixedly installed on both sides of its inner wall. A connecting plate (616) is fixedly installed at equal intervals between the inner sides of the placement frame (615). A sealing gasket (617) is fixedly installed on one side of the connecting plate (616). A limit strip (618) is fixedly installed on one side of the connecting plate (616). A sealing gasket (619) is fixedly installed at the bottom of the inner wall of the placement frame (615). A groove (6111) is provided on one side of the placement frame (615).
4. A constant temperature and humidity test chamber with ventilation function according to claim 3, characterized in that: A rotating rod (6112) is rotatably connected between the inner walls of the placement frame (615). A sealing plate (6113) is fixedly sleeved on the outer wall of the rotating rod (6112). A rubber pad is fixedly installed on the top of the sealing plate (6113). One end of the rotating rod (6112) movably passes through one side of the inner wall of the placement frame (615) and extends into the interior of the groove (6111). A pulley (6114) is fixedly installed on one end of the rotating rod (6112). Holes are opened on both sides of the test chamber (1). A belt is driven to the surface of the pulley (6114). The surface of the belt passes through the interior of the hole and extends outside the test chamber (1) to drive the belt to the surface of the pulley (614).
5. A constant temperature and humidity test chamber with ventilation function according to claim 1, characterized in that: The uniform air intake assembly (7) specifically includes: The exhaust pipe (711) is installed on one side of the test chamber (1) at equal intervals; Filter screen 1 (712) is fixedly installed between the inner walls of the air outlet pipe (711); Activated carbon filter plate 1 (713) is fixedly installed between the inner walls of the air outlet pipe (711); An electronic valve (714) is connected to the surface of the outlet pipe (711); The regulating box (715) is equidistantly connected and installed on the back of the test chamber (1).
6. A constant temperature and humidity test chamber with ventilation function according to claim 5, characterized in that: A rotating rod (716) is rotatably connected between the inner walls of the regulating box (715). A guide plate (717) is fixedly sleeved on the outer wall of the rotating rod (716). One end of the rotating rod (716) movably passes through one side of the inner wall of the regulating box (715) and extends to the outside of the regulating box (715). A gear (718) is fixedly connected to one end of the rotating rod (716).
7. A constant temperature and humidity test chamber with ventilation function according to claim 1, characterized in that: A double-ended cylinder (719) is fixedly installed on the back of the test chamber (1). A toothed plate (7111) is fixedly installed on the telescopic end of the double-ended cylinder (719). The surface of the toothed plate (7111) meshes with the surface of the gear (718).
8. A constant temperature and humidity test chamber with ventilation function according to claim 5, characterized in that: An air inlet pipe (7112) is connected to one side of the regulating box (715). A filter screen (7113) is fixedly installed on the inner wall of the air inlet pipe (7112). An activated carbon filter plate (7114) is fixedly installed on the inner wall of the air inlet pipe (7112). An electronic valve (7115) is connected to the surface of the air inlet pipe (7112). A fan (7116) is fixedly installed between the inner walls of the air inlet pipe (7112).