Constant temperature and humidity test box

By setting up a double insulation structure of an insulated inner box and a chassis in the constant temperature and humidity test chamber, and combining heating, cooling, humidification and blowing mechanisms, the problem of frequent heat exchange in the existing technology is solved, more effective temperature and humidity control is achieved, and electricity consumption is reduced.

CN223393467UActive Publication Date: 2025-09-30DONGGUAN SANZHI TESTING INSTR CO LTD
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Patent Information

Application Number
CN202422797997.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-09-30
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing constant temperature and humidity test chambers do not have adequate insulation measures, which results in easy heat exchange and the need for frequent use of heaters or condensers, which increases power consumption and is not conducive to cost savings.

Method used

A double insulation structure of an insulated inner box and a chassis is set up in the test chamber, and it is equipped with heating, cooling, humidification and blowing mechanisms. The inner box and insulation board made of glass wool are combined with temperature and humidity sensors for precise control.

Benefits of technology

It effectively avoids heat exchange between the inside and outside of the inner tank, reduces the frequent operation of the heater or condenser, reduces electricity consumption, and helps save costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of experiment devices, and particularly relates to a constant temperature and humidity test box which comprises a machine box, a heat preservation inner container box, a heating mechanism, a refrigerating mechanism, a humidifying mechanism, an air blowing mechanism and a detection mechanism. The humidifying mechanism comprises a humidifier and an atomizing pipe, the air blowing mechanism comprises an air blower and an air blowing pipe, and the detection mechanism comprises a temperature sensor and a humidity sensor. According to the constant-temperature and constant-humidity test box provided by the invention, the heat preservation inner container box is arranged in the case, and the case and the heat preservation inner container box are subjected to dual heat preservation, so that the heat in the heat preservation inner container box is effectively prevented from being exchanged with external heat, the heat is easier to control, constant-temperature control in the heat preservation inner container box is facilitated, frequent work of a heater or a condenser is not needed, and the electricity consumption is reduced; and the cost is saved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of experimental devices, in particular to a constant temperature and humidity test box. Background Art

[0002] The constant temperature and humidity test chamber is an environmental simulation device used to test the heat resistance, cold resistance, dryness resistance and humidity resistance of products in various environments, so as to reduce the product defect rate and ensure the reliability of product use. It is suitable for quality inspection of electronics, electrical appliances, communications, instruments, vehicles, plastic products, metals, food, chemicals, building materials, medical, aerospace and other products.

[0003] The existing constant temperature and humidity test chambers do not have adequate insulation measures. The heat inside the test chamber is easily exchanged with the external heat. During the experiment, the heat is not easy to control. The temperature needs to be continuously raised by the heater, or the temperature needs to be continuously lowered by the condenser. This causes the heater or condenser to work frequently, increasing power consumption and not conducive to cost savings. Utility Model Content

[0004] The purpose of the utility model is to provide a constant temperature and humidity test chamber, aiming to solve the technical problems in the prior art such as inadequate insulation measures, difficulty in controlling heat, frequent operation of heaters or condensers, increased power consumption, and disadvantages in cost savings.

[0005] To achieve the above-mentioned purpose, the constant temperature and humidity test chamber provided in the embodiment of the present invention includes a chassis, a thermal insulation inner tank, a heating mechanism, a cooling mechanism, a humidifying mechanism, an air blowing mechanism and a detection mechanism, wherein the thermal insulation inner tank is connected to the chassis, the heating mechanism is connected to the chassis, and one end extends into the thermal insulation inner tank, the cooling mechanism and the humidifying mechanism are both arranged in the thermal insulation inner tank, the cooling mechanism is arranged on one side of the humidifying mechanism, the air blowing mechanism is connected to the chassis, and one end extends into the thermal insulation inner tank, and the detection mechanism is arranged in the thermal insulation inner tank;

[0006] The heating mechanism includes a heater and a heat pipe, wherein the heater is connected to the chassis, one end of the heat pipe is connected to the heater, and the other end extends out of the thermal insulation inner tank;

[0007] The refrigeration mechanism includes a fixing frame and a condenser, wherein the fixing frame is connected to the heat-insulating inner tank, and the condenser is connected to the fixing frame;

[0008] The humidifying mechanism includes a humidifier and an atomizing tube. The humidifier is connected to the fixing frame and is arranged on one side of the condenser. One end of the atomizing tube is connected to the humidifier, and the other end extends out of the thermal insulation inner tank.

[0009] The blowing mechanism includes a blower and a blower pipe, wherein the blower is connected to the chassis, one end of the blower pipe is connected to the blower, and the other end extends into the thermal insulation inner tank;

[0010] The detection mechanism includes a temperature sensor and a humidity sensor. Both the temperature sensor and the humidity sensor are connected to the inner side of the thermal insulation liner box. The temperature sensor is arranged on one side of the humidity sensor.

[0011] As an optional solution of the present invention, the material of the thermal insulation inner box is glass wool, and the thickness of the thermal insulation inner box is 80~120mm.

[0012] As an optional solution of the present invention, the heating mechanism also includes a heat insulation plate, which is arranged on one side of the heat pipe and fixedly connected to the thermal insulation inner box. The heat insulation plate is provided with heat conduction holes, and there are multiple heat conduction holes, which are evenly arranged on the heat insulation plate.

[0013] As an optional solution of the present invention, the blowing mechanism also includes a fan cover and an air outlet cover, the fan cover is fixedly connected to the side of the thermal insulation inner tank box, one end of the blower pipe is arranged in the fan cover and the air outlet cover is fixedly connected to the top of the thermal insulation inner tank box; there are two blowing mechanisms, and both are fixedly connected to the chassis, and the two blowing mechanisms are arranged in parallel and at intervals.

[0014] As an optional solution of the present invention, a control mechanism is provided on the side of the chassis, and the control mechanism includes a control panel and control buttons. The control panel and control buttons are fixedly connected to the chassis, and the control panel is electrically connected to the control buttons, heater, condenser, humidifier, temperature sensor, and humidity sensor respectively.

[0015] As an optional solution of the present invention, an observation window is provided on the side of the chassis, a glass plate is provided in the observation window, and the glass plate is fixedly connected to the chassis.

[0016] As an optional solution of the present invention, the bottom of the chassis is fixedly connected with supporting feet, and there are multiple supporting feet, which are evenly arranged on the chassis.

[0017] As an optional solution of the present invention, a roller is fixedly connected to the bottom of the chassis, and the roller is arranged on one side of the supporting foot. There are multiple rollers and they are evenly arranged on the chassis.

[0018] The above one or more technical solutions in the constant temperature and humidity test chamber provided by the embodiment of the present invention have at least one of the following technical effects:

[0019] The constant temperature and humidity test chamber provided in the present application includes a chassis, an insulated inner box, a heating mechanism, a cooling mechanism, a humidifying mechanism, an air blowing mechanism and a detection mechanism. By arranging an insulated inner box inside the chassis, the chassis and the insulated inner box are doubly insulated, which effectively avoids the exchange of heat inside the insulated inner box with external heat. The heat is easier to control, which is conducive to constant temperature control in the insulated inner box. There is no need for frequent operation of the heater or condenser, which reduces power consumption and helps save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] Figure 1 A three-dimensional diagram of a constant temperature and humidity test chamber provided in an embodiment of the present utility model.

[0022] Figure 2 A three-dimensional diagram of the constant temperature and humidity test chamber provided in an embodiment of the present invention with the chassis omitted.

[0023] Figure 3 A three-dimensional diagram of the constant temperature and humidity test chamber provided in an embodiment of the present invention, omitting the chassis and the front part of the thermal insulation inner box.

[0024] Figure 4 A three-dimensional diagram of the constant temperature and humidity test chamber provided in an embodiment of the present invention, omitting the chassis, heat insulation board, and the front and rear portion of the thermal insulation inner box.

[0025] Among them, the reference numerals in the figures are:

[0026] 1. Chassis; 2. Insulated inner box; 3. Heating mechanism; 4. Refrigeration mechanism; 5. Humidification mechanism; 6. Blowing mechanism; 7. Detection mechanism; 8. Control mechanism;

[0027] 11. Glass plate; 12. Support legs; 13. Rollers;

[0028] 31. Heater; 32. Heat pipe; 33. Heat insulation board; 34. Heat conduction hole;

[0029] 41. Fixing frame; 42. Condenser;

[0030] 51. Humidifier; 52. Atomizer tube;

[0031] 61. Blower; 62. Blower pipe; 63. Blower cover; 64. Air outlet cover;

[0032] 71. Temperature sensor; 72. Humidity sensor;

[0033] 81. Control panel; 82. Control buttons. DETAILED DESCRIPTION

[0034] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0035] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of 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 cannot be understood as a limitation on the present invention.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0037] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0038] In one embodiment of the present invention, Figures 1 to 4As shown, a constant temperature and humidity test chamber is provided, comprising a chassis 1, an insulation inner tank 2, a heating mechanism 3, a cooling mechanism 4, a humidifying mechanism 5, an air blowing mechanism 6, and a detection mechanism 7. The insulation inner tank 2 is fixedly connected to the chassis 1, and the insulation inner tank 2 has a heat preservation function, which is conducive to constant temperature. The heating mechanism 3 is connected to the chassis 1, and one end extends into the insulation inner tank 2. The cooling mechanism 4 and the humidifying mechanism 5 are both arranged in the insulation inner tank 2, and the cooling mechanism 4 is arranged on one side of the humidifying mechanism 5. The air blowing mechanism 6 is connected to the chassis 1, and one end extends into the insulation inner tank 2. The detection mechanism 7 is arranged in the insulation inner tank 2.

[0039] Heating mechanism 3 includes a heater 31 and a heat pipe 32. Heater 31 is fixedly connected to chassis 1. One end of heat pipe 32 is fixedly connected to heater 31, and the other end extends out of thermal insulation tank 2. When heating is required, heater 31 operates and generates heat, directing the heat to heat pipe 32, which then directs the heat into thermal insulation tank 2.

[0040] The refrigeration mechanism 4 includes a fixing frame 41 and a condenser 42. The fixing frame 41 is fixedly connected to the thermal insulation inner tank 2, and the condenser 42 is fixedly connected to the fixing frame 41. When cooling is needed, the condenser 42 works and cools, directing heat into the thermal insulation inner tank 2.

[0041] The humidification mechanism 5 includes a humidifier 51 and an atomizing tube 52. The humidifier 51 is fixedly connected to the fixing frame 41 and is arranged on one side of the condenser 42. One end of the atomizing tube 52 is fixedly connected to the humidifier 51, and the other end extends out of the thermal insulation tank 2. When humidification is required, the humidifier 51 operates and generates moisture, which is directed to the thermal insulation tank 2 through the atomizing tube 52.

[0042] The air blowing mechanism 6 includes a blower 61 and an air duct 62. The blower 61 is connected to the chassis 1. One end of the air duct 62 is connected to the blower 61, and the other end extends into the thermal insulation liner box 2. The air blown by the blower 61 enters the thermal insulation liner box 2 through the air duct 62, which promotes air flow in the thermal insulation liner box 2, making the humidity and temperature more uniform, which is beneficial for sample experiments.

[0043] The detection mechanism 7 includes a temperature sensor 71 and a humidity sensor 72. The temperature sensor 71 and the humidity sensor 72 are both fixedly connected to the inside of the thermal insulation inner box 2, and the temperature sensor 71 is arranged on one side of the humidity sensor 72. The temperature sensor 71 is used to detect the temperature inside the thermal insulation inner box 2, and the humidity sensor 72 is used to detect the humidity inside the thermal insulation inner box 2. The temperature sensor 71 and the humidity sensor 72 both feed back signals to the control panel 81 to display data. The control button 82 controls the heater 31, condenser 42, humidifier 51 and blower 61 according to the data on the display panel to achieve the experimental requirements of constant temperature and humidity inside the thermal insulation inner box 2.

[0044] The constant temperature and humidity test chamber provided in the present application is configured with a heat-insulating inner tank 2 inside the chassis 1. The chassis 1 and the heat-insulating inner tank 2 are double-insulated, thereby effectively avoiding the heat exchange between the heat in the heat-insulating inner tank 2 and the external heat. The heat is easier to control, which is beneficial to the constant temperature control in the heat-insulating inner tank 2. There is no need for the heater 31 or the condenser 42 to work frequently, which reduces power consumption and helps save costs.

[0045] In another embodiment of the present invention, the material of the thermal insulation inner box 2 is glass wool, and the thickness of the thermal insulation inner box 2 is 80~120mm, preferably 100mm. Glass wool has good thermal insulation effect and does not absorb water, which is conducive to ensuring constant humidity in the thermal insulation inner box 2.

[0046] In another embodiment of the present invention, the heating mechanism 3 further includes a heat insulating plate 33, which is disposed on one side of the heat conducting tube 32 and fixedly connected to the heat-insulating inner tank 2. The heat insulating plate 33 is provided with a plurality of heat conducting holes 34, which are evenly distributed on the heat insulating plate 33. The heat insulating plate 33 has heat insulating and heat conducting effects, preventing the heat generated by the heater 31 from directly acting on the sample, causing the sample temperature to rise instantly and affecting the experimental results. The heat is buffered by the heat insulating plate 33, and the heat rises gradually, which is conducive to ensuring the experimental results of the sample.

[0047] In another embodiment of the present invention, the blower mechanism 6 further includes a fan cover 63 and an air outlet cover 64. The fan cover 63 is fixedly connected to the side of the thermal insulation inner box 2. One end of the blower pipe 62 is disposed within the fan cover 63. The air outlet cover 64 is fixedly connected to the top of the thermal insulation inner box 2. Two blower mechanisms 6 are provided, both fixedly connected to the chassis 1. The two blower mechanisms 6 are arranged in parallel and spaced apart. The air blown by the blower 61 enters the thermal insulation inner box 2 through the air outlet cover 64, making the temperature and humidity inside the thermal insulation inner box 2 more uniform.

[0048] In another embodiment of the present invention, a control mechanism 8 is provided on the side of the chassis 1. The control mechanism 8 includes a control panel 81 and control buttons 82. Both the control panel 81 and the control buttons 82 are fixedly connected to the chassis 1. The control panel 81 is electrically connected to the control buttons 82, the heater 31, the condenser 42, the humidifier 51, the temperature sensor 71, and the humidity sensor 72. The control buttons 82 are used to control the operating status of the heater 31, the condenser 42, and the humidifier 51 to achieve the experimental requirements of constant temperature and humidity.

[0049] In another embodiment of the present invention, an observation window is provided on the side of the chassis 1, and a glass plate 11 is provided in the observation window. The glass plate 11 is fixedly connected to the chassis 1. Through the glass plate 11, the working status inside the chassis 1 can be observed.

[0050] In another embodiment of the present invention, a support leg 12 is fixedly connected to the bottom of the chassis 1. A plurality of support legs 12 are provided and are evenly arranged on the chassis 1. The support legs 12 have a supporting function for the chassis 1.

[0051] In another embodiment of the present invention, a roller 13 is fixedly connected to the bottom of the chassis 1, and the roller 13 is arranged on one side of the support foot 12. There are multiple rollers 13, and they are evenly arranged on the chassis 1. By providing the rollers 13, the chassis 1 is easy to move.

[0052] The constant temperature and humidity test chamber provided in the present application is configured with a heat-insulating inner tank 2 inside the chassis 1. The chassis 1 and the heat-insulating inner tank 2 are double-insulated, thereby effectively avoiding the heat exchange between the heat in the heat-insulating inner tank 2 and the external heat. The heat is easier to control, which is beneficial to the constant temperature control in the heat-insulating inner tank 2. There is no need for the heater 31 or the condenser 42 to work frequently, which reduces power consumption and helps save costs.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A constant temperature and humidity test chamber, characterized in that: The invention comprises a chassis, a heat-insulating inner tank, a heating mechanism, a cooling mechanism, a humidifying mechanism, an air blowing mechanism and a detecting mechanism, wherein the heat-insulating inner tank is connected to the chassis, the heating mechanism is connected to the chassis and one end of the heat-insulating inner tank is inserted into the heat-insulating inner tank, the cooling mechanism and the humidifying mechanism are both arranged in the heat-insulating inner tank, the cooling mechanism is arranged on one side of the humidifying mechanism, the air blowing mechanism is connected to the chassis and one end of the heat-insulating inner tank is inserted into the heat-insulating inner tank, and the detecting mechanism is arranged in the heat-insulating inner tank; The heating mechanism includes a heater and a heat pipe, wherein the heater is connected to the chassis, one end of the heat pipe is connected to the heater, and the other end extends out of the thermal insulation inner tank; The refrigeration mechanism includes a fixing frame and a condenser, wherein the fixing frame is connected to the heat-insulating inner tank, and the condenser is connected to the fixing frame; The humidifying mechanism includes a humidifier and an atomizing tube. The humidifier is connected to the fixing frame and is arranged on one side of the condenser. One end of the atomizing tube is connected to the humidifier, and the other end extends out of the thermal insulation inner tank. The blowing mechanism includes a blower and a blower pipe, wherein the blower is connected to the chassis, one end of the blower pipe is connected to the blower, and the other end extends into the thermal insulation inner tank; The detection mechanism includes a temperature sensor and a humidity sensor. Both the temperature sensor and the humidity sensor are connected to the inner side of the thermal insulation liner box. The temperature sensor is arranged on one side of the humidity sensor.

2. A constant temperature and humidity test chamber according to claim 1, characterized in that: The thermal insulation inner box is made of glass wool, and the thickness of the thermal insulation inner box is 80-120 mm.

3. A constant temperature and humidity test chamber according to claim 1, characterized in that: The heating mechanism also includes a heat insulation plate, which is arranged on one side of the heat pipe and fixedly connected to the thermal insulation inner box. The heat insulation plate is provided with heat conduction holes, and there are multiple heat conduction holes, which are evenly arranged on the heat insulation plate.

4. A constant temperature and humidity test chamber according to claim 1, characterized in that: The blowing mechanism also includes a fan cover and an air outlet cover. The fan cover is fixedly connected to the side of the thermal insulation inner box. One end of the blower pipe is arranged in the fan cover and the air outlet cover is fixedly connected to the top of the thermal insulation inner box. There are two blowing mechanisms, and both are fixedly connected to the chassis. The two blowing mechanisms are arranged in parallel and at intervals.

5. The constant temperature and humidity test chamber according to claim 1, characterized in that: A control mechanism is provided on the side of the chassis, and the control mechanism includes a control panel and control buttons. The control panel and control buttons are fixedly connected to the chassis, and the control panel is electrically connected to the control buttons, heater, condenser, humidifier, temperature sensor, and humidity sensor respectively.

6. The constant temperature and humidity test chamber according to claim 1, characterized in that: An observation window is provided on the side of the chassis, a glass plate is provided in the observation window, and the glass plate is fixedly connected to the chassis.

7. The constant temperature and humidity test chamber according to claim 1, characterized in that: The bottom of the chassis is fixedly connected with supporting feet, and a plurality of supporting feet are provided and evenly arranged on the chassis.

8. The constant temperature and humidity test chamber according to claim 7, characterized in that: The bottom of the chassis is fixedly connected with a roller, and the roller is arranged on one side of the supporting foot. There are multiple rollers, and they are evenly arranged on the chassis.