Heating device and climate environment experiment box

By introducing a combination design of main heating module, auxiliary heating module and control module into the climate environment test chamber, the problems of uneven heating and uneven cooling are solved, and the temperature uniformity and temperature difference in the test space are reduced.

CN223669227UActive Publication Date: 2025-12-16GUANGZHOU HUIZHI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423077187.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-16
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing climate environment test chamber has problems with uneven heating and cooling in the heating and evaporation modules, resulting in temperature differences within the test space.

Method used

The system employs a combination design of a main heating module, an auxiliary heating module, and a control module. The auxiliary heating module compensates for uneven heating and cooling in certain areas, while the control module regulates the temperature to ensure uniform airflow temperature.

Benefits of technology

Temperature uniformity within the experimental space was achieved, temperature differences were reduced, and the temperature uniformity of the experimental space was optimized.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a heating device and a climatic environment experiment box, which are applied to the technical field of experiment equipment, are used for solving the problem of temperature difference in an experiment space caused by non-uniform air temperature in the climatic environment experiment box in the prior art, and specifically comprise a heating module, an auxiliary heating module and a control module, the main heating module and the auxiliary heating module are arranged in the circulating air duct in the climate environment experiment box; the main heating module is used for heating circulating air flow between an experimental space of the climate environment experimental box and a circulating air duct of the climate environment experimental box, and the auxiliary heating module is used for carrying out compensation heating on a position which is not uniformly heated by the main heating module; thus, the auxiliary heating module is arranged to compensate the temperature of the uneven heating phenomenon, the temperature difference of the experiment space is reduced, and the temperature uniformity of the experiment space is optimized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to experimental equipment technical field especially, relates to a heating device and climatic environment experiment box. BACKGROUND

[0002] Climatic environment experiment box, also commonly known as environmental test chamber or climatic test chamber, is widely used in scientific research, production, quality control and environmental protection fields because it can simulate various precise controllable climatic environment conditions to test the performance and durability of products or samples under different climatic conditions.

[0003] At present, in the existing climatic environment experiment box, the heating module adopts large-area sheet design to improve the temperature of the experimental space inside the experiment box to simulate high-temperature environment or temperature rising process. The evaporation module is responsible for reducing the temperature of the experimental space inside the experiment box to simulate low-temperature environment or temperature dropping process. However, if the heating module has problems such as uneven distribution of heating elements and uneven distribution or poor flow of heat conduction medium used by the heater, it will cause uneven heating of the heating module; and then temperature difference is generated in the experimental space inside the experiment box. The evaporation module usually relies on internal cooling liquid to achieve cooling effect. If the cooling liquid is insufficient, unevenly distributed or leaked, it will cause uneven cooling of the evaporation module, and then temperature difference is generated in the experimental space inside the experiment box. SUMMARY

[0004] The utility model provides a kind of heating device and climatic environment experiment box to solve the problem of uneven air temperature in the climatic environment experiment box in prior art, which causes temperature difference in experimental space.

[0005] The technical scheme provided by the utility model is as follows:

[0006] On the one hand, the utility model provides a kind of heating device, comprising: main heating module, auxiliary heating module and control module;

[0007] The control module is electrically connected with the auxiliary heating module and the main heating module respectively; the main heating module and the auxiliary heating module are arranged inside the circulating air duct in the climatic environment experiment box; the control module is arranged inside the electrical space in the climatic environment experiment box;

[0008] The main heating module is used for compensating and heating the circulating airflow between the experimental space of the climatic environment experiment box and the circulating air duct of the climatic environment experiment box to improve the temperature of the experimental space of the climatic environment experiment box;

[0009] The auxiliary heating module is used for compensating and heating the position where the heating of the main heating module is uneven;

[0010] The control module is configured to control the main heating module to perform a heating process and control the auxiliary heating module to perform a compensatory heating.

[0011] Optionally, the auxiliary heating module comprises a plurality of auxiliary heaters.

[0012] The plurality of auxiliary heaters are evenly distributed on a first cross section of the circulating air duct, and the plurality of auxiliary heaters are respectively connected to the control module; and a total area of the auxiliary heaters is less than an area of the first cross section.

[0013] Optionally, the main heating module comprises a main heater.

[0014] The main heater is arranged on a second cross section of the circulating air duct, and the main heater is connected to the control module; an area of the main heater is greater than an area of the auxiliary heater; and the area of the main heater is less than an area of the second cross section.

[0015] Optionally, the control module is further electrically connected to an evaporative module of the climate environment test chamber.

[0016] The control module is further configured to control the auxiliary heating module to perform compensatory heating on a non-uniform refrigeration position of the evaporative module.

[0017] Optionally, the heating device further comprises a first temperature detection module.

[0018] The first temperature detection module is arranged at each monitoring point inside the experimental space, and the first temperature detection module is electrically connected to the control module; and the first temperature detection module is configured to detect temperatures of the monitoring points in the experimental space.

[0019] In another aspect, the utility model provides a climate environment test chamber, which comprises the above heating device, a shell, a circulating module and an evaporative module.

[0020] The shell is divided into an experimental space, a circulating air duct and an electrical space; the circulating air duct is communicated with the experimental space through an air inlet and an air outlet; the circulating module, the evaporative module, the main heating module of the heating device and the auxiliary heating module of the heating device are arranged in the circulating air duct; and the control module of the heating device is connected to the circulating module and the evaporative module.

[0021] The heating device is configured to uniformly heat circulating air between the experimental space and the circulating air duct, so as to improve the temperature of the experimental space.

[0022] The evaporative module is configured to perform refrigeration on the circulating air between the experimental space and the circulating air duct, so as to reduce the temperature of the experimental space.

[0023] The circulating module is configured to drive the circulating air to flow between the experimental space and the circulating air duct.

[0024] Optionally, the circulating module comprises a circulating fan composed of the driving motor and the fan body.

[0025] The driving motor is arranged above the shell, and the driving motor is electrically connected with the control module and is in transmission connection with the fan body.

[0026] The fan body is arranged in the circulating air duct.

[0027] Optionally, the climate environment experiment box further comprises a second temperature detection module.

[0028] The second temperature detection module is arranged at the air outlet of the circulating air duct, and the second temperature detection module is electrically connected with the control module; and the second temperature detection module is used for detecting the temperature of the circulating air flow at the air outlet.

[0029] Optionally, the climate environment experiment box further comprises a humidity adjusting module and a humidity sensor.

[0030] The humidity adjusting module is arranged in the circulating air duct, and the humidity adjusting module is electrically connected with the control module; and the humidity adjusting module is used for adjusting the humidity of the experiment space.

[0031] The humidity sensor is arranged in the experiment space, and the humidity sensor is electrically connected with the control module; and the humidity sensor is used for collecting the humidity of the experiment space.

[0032] Optionally, the climate environment experiment box further comprises an illumination adjusting module and an illumination sensor.

[0033] The illumination adjusting module is arranged at the top of the experiment space, and the illumination adjusting module is electrically connected with the control module; and the illumination adjusting module is used for adjusting the brightness of the experiment space.

[0034] The illumination sensors are arranged at the bottom of the experiment space, and the illumination sensors are electrically connected with the control module; and the illumination sensors are used for collecting the brightness of the experiment space.

[0035] The climate environment experiment box has the advantages that:

[0036] In the climate environment experiment box, the auxiliary heating module is arranged, the position corresponding to the uneven heating position of the heating module is compensated and heated, the temperature compensation of the uneven heating phenomenon is realized, the temperature of the circulating air flow entering the experiment space of the climate environment experiment box is uniform, the temperature difference of the experiment space of the climate environment experiment box is reduced, and the temperature uniformity of the experiment space of the climate environment experiment box is optimized.

[0037] The other features and advantages of the present application will be set forth in the following specification, and in part will become apparent to those skilled in the art upon examination of the following specification, or can be learned by practice of the application. The objects and advantages of the application can be realized and attained by means of the instrumentalities particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0038] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

[0039] Figure 1 It is a first lateral structure schematic view of the heating device in the climate environment experiment box in the embodiment of the present application;

[0040] Figure 2 It is a back structure schematic view of the heating device in the climate environment experiment box in the embodiment of the present application;

[0041] Figure 3 It is a first structure schematic view of the auxiliary heater in the heating device in the embodiment of the present application;

[0042] Figure 4 It is a second structure schematic view of the auxiliary heater in the heating device in the embodiment of the present application;

[0043] Figure 5 It is a structure schematic view of the main heater in the heating device in the embodiment of the present application;

[0044] Figure 6 It is a second lateral structure schematic view of the heating device in the climate environment experiment box in the embodiment of the present application;

[0045] Figure 7 It is a lateral structure schematic view of the climate environment experiment box in the embodiment of the present application;

[0046] Figure 8 It is a back structure schematic view of the climate environment experiment box in the embodiment of the present application;

[0047] Figure 9 It is an external structure schematic view of the climate environment experiment box in the embodiment of the present application.

[0048] In the icon, 100-main heating module; 101-main heater; 110-assistant heating module; 111-assistant heater; 120-circulating air duct; 121-electrical space; 122-experimental space; 123-evaporation module; 130-first temperature detection module; 200-climate environment experiment box; 210-housing; 220-circulating module; 221-driving motor; 222-fan body; 230-air inlet; 240-air outlet; 250-second temperature detection module; 260-humidity adjusting module; 261-humidity sensor; 270-illumination adjusting module; 271-illumination sensor; 280-display module. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, and are not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0050] The utility model provides a kind of heating device, is set in climate environment experiment box, refer to Figure 1 And Figure 2 As shown in the figure, the heating device set in the interior of climate environment experiment box at least includes: main heating module 100, assistant heating module 110 and control module;

[0051] Control module is electrically connected with assistant heating module 110 and main heating module 100 respectively;Main heating module 100 and assistant heating module 110 are set in the interior of circulating air duct 120 in climate environment experiment box;Control module is set in the interior of electrical space 121 in climate environment experiment box;

[0052] Main heating module 100 is used to heat treatment to the circulating airflow between the experimental space 122 of climate environment experiment box and the circulating air duct 120 of climate environment experiment box, improves the temperature of the experimental space 122 of climate environment experiment box;

[0053] Assistant heating module 110 is used to compensate heating to the position of uneven heating of main heating module 100;

[0054] Control module is used to control main heating module 100 to carry out heating treatment, and control assistant heating module 110 to carry out compensation heating.

[0055] In Figure 1 And Figure 2The heating device shown, the climate environment experiment box is divided into experiment space 122, circulating air duct 120 and electrical space 121, the upper side of circulating air duct 120 is provided with air inlet, the lower side of circulating air duct 120 is provided with air outlet, circulating air duct 120 is communicated with experiment space 122 by air inlet and air outlet.Main heating module 100 and auxiliary heating module 110 are arranged in circulating air duct 120.Specifically, the main heating module 100 and auxiliary heating module 110 are arranged in different sections of the circulating air duct 120, the auxiliary heating module 110 can be arranged on the upper side or lower side of the main heating module 100, and the auxiliary heating module 110 can also be arranged on the upper side and lower side of the main heating module 100;The auxiliary heating module 110 can be arranged in contact with the main heating module 100 or arranged in contact with the main heating module 100.The control module can be composed of one of the controllers such as single-chip microcomputer, digital signal processor and programmable controller.The control module has pre-stored heating position and heating temperature of the auxiliary heating module 110 corresponding to the uneven heating position of the main heating module 100 at different temperatures, and the heating position and heating temperature of the auxiliary heating module 110 are obtained by pre-testing multiple times.Because the main heating module 100 has the problem of uneven heating, the auxiliary heating module 110 can be arranged to compensate for the uneven heating of the main heating module 100 to realize temperature compensation for the uneven heating phenomenon, ensure the uniformity of the circulating air temperature in the experiment space 122, reduce the temperature difference in the experiment space 122, and optimize the temperature uniformity in the experiment space 122.

[0056] In specific implementation, the auxiliary heating module of the heating device provided by the application has multiple structures to realize its functions, and the auxiliary heating module can include:

[0057] The multiple auxiliary heaters are uniformly distributed on the first section of the circulating air duct, and the multiple auxiliary heaters are respectively connected with the control module;The total area of the auxiliary heater is less than the area of the first section.

[0058] Specifically, the shape of the auxiliary heater can be set according to actual needs, referring to Figure 3 and Figure 4 As shown in the drawings, the auxiliary heater 111 can be block-shaped, and the block-shaped auxiliary heater 111 is uniformly arranged on the first section of the circulating air duct;The auxiliary heater 111 can be strip-shaped, and the strip-shaped auxiliary heater 111 is uniformly arranged on the first section of the circulating air duct, wherein the first section is the cross section of the circulating air duct.In order to ensure the air circulation of the circulating air duct, the total area of the auxiliary heater is less than the area of the first section.The auxiliary heater is at least one of ceramic heater, resistance heater and quartz tube heater.

[0059] In a specific implementation, the heating device provided by the application has a main heating module with multiple structures to achieve its functions. The main heating module can include a main heater.

[0060] The main heater is arranged on the second section of the circulating air duct. The main heater is connected to the control module. The area of the main heater is greater than the area of the auxiliary heater. The area of the main heater is less than the area of the second section.

[0061] Specifically, referring to Figure 5 As shown in the figure, the shape of the main heater 101 can be set according to actual needs. The main heater is arranged on the second section of the circulating air duct. The second section is the cross section of the circulating air duct. The first section and the second section are different in position. In order to ensure the air circulation of the circulating air duct, the area of the main heater is set to be less than the area of the second section. The main heater heats the circulating air between the circulating air ducts to improve the temperature of the experimental space of the climate environment test chamber. The main heater is one of a ceramic heater, a resistance heater, and a quartz tube heater.

[0062] In a possible implementation, the control module is also electrically connected to an evaporation module of the climate environment test chamber.

[0063] The control module is also used to control the auxiliary heating module to perform compensation heating on the position where the refrigeration of the evaporation module is uneven.

[0064] Specifically, the control module can also pre-store the heating position and heating temperature of the auxiliary heating module corresponding to the position where the refrigeration of the evaporation module is uneven at different temperatures. The heating position and heating temperature of the auxiliary heating module are obtained through multiple tests in advance. Since the evaporation module has a position where the refrigeration is uneven, the auxiliary heating module is arranged to perform compensation heating on the position where the refrigeration of the evaporation module is uneven, so as to achieve temperature compensation for the uneven refrigeration phenomenon, ensure the uniformity of the circulating air temperature entering the experimental space, reduce the temperature difference of the experimental space, and optimize the temperature uniformity of the experimental space.

[0065] In a possible implementation, referring to Figure 6 As shown in the figure, the heating device also includes a first temperature detection module 130.

[0066] The first temperature detection module 130 is arranged at each monitoring point inside the experimental space 122. The first temperature detection module 130 is electrically connected to the control module. The first temperature detection module 130 is used to detect the temperature of each monitoring point in the experimental space 122.

[0067] In Figure 6The heating device shown, the first temperature detection module 130 includes a plurality of temperature sensors. The plurality of temperature sensors are correspondingly arranged at each monitoring point inside the experimental space 122, wherein each side wall, top surface and bottom surface inside the experimental space 122 is uniformly provided with a monitoring point, and one temperature sensor is arranged at each monitoring point. The first temperature detection module 130 transmits the detected temperature of each monitoring point in the experimental space 122 to the control module, so that the control module can correspondingly adjust the working heater in the auxiliary heating module 110 and the working power of the heater according to the temperature difference of each monitoring point in real time, to compensate for the temperature difference of the experimental space 122.

[0068] Based on the same concept, the utility model embodiment further provides a climate environment experiment box, referring to Figure 7 and Figure 8 The climate environment experiment box 200 at least includes: the above-mentioned heating device provided by the application embodiment, a shell 210, a circulating module 220 and an evaporation module 123;

[0069] The inside of the shell 210 is divided into an experimental space 122, a circulating air duct 120 and an electrical space 121; the circulating air duct 120 is communicated with the experimental space 122 through an air inlet 230 and an air outlet 240; the circulating module 220, the evaporation module 123, the main heating module 100 in the heating device and the auxiliary heating module 110 in the heating device are arranged in the circulating air duct 120, and the control module in the heating device is connected with the circulating module 220 and the evaporation module 123 respectively;

[0070] The heating device is used for uniformly heating the circulating airflow between the experimental space 122 and the circulating air duct 120, and improving the temperature of the experimental space 122;

[0071] The evaporation module 123 is used for refrigeration treatment of the circulating airflow between the experimental space 122 and the circulating air duct 120, and reducing the temperature of the experimental space 122;

[0072] The circulating module 220 is used for driving the circulating airflow to circulate between the experimental space 122 and the circulating air duct 120.

[0073] In Figure 7The climate environment test box 200 shown in the figure, the inside of the shell 210 is divided into an experimental space 122, a circulating air duct 120 and an electrical space 121, the circulating air duct 120 and the electrical space 121 are arranged at the rear side of the inside of the shell 210. Among them, the experimental space 122 is used to place the sample to be tested, and the size of the experimental space 122 can be customized according to actual needs. The upper side of the circulating air duct 120 is provided with an air inlet 230, and the lower side of the circulating air duct 120 is provided with an air outlet 240, the circulating air duct 120 communicates with the experimental space 122 through the air inlet 230 and the air outlet 240, and the circulating air duct 120 is provided with a main heating module 100 of a heating device, an auxiliary heating module 110 of the heating device, a circulating module 220 and an evaporation module 123. The evaporation module 123 is composed of an evaporator. The main heating module 100 is used to raise the temperature of the circulating air flow, and the circulating air flow enters the experimental space 122 to raise the temperature of the experimental space 122; the evaporation module 123 is used to reduce the temperature of the circulating air flow, and the circulating air flow enters the experimental space 122 to reduce the temperature of the experimental space 122. The auxiliary heating module 110 in the heating device can realize temperature compensation for the uneven heating of the main heating module 100, in addition, the auxiliary heating module 110 in the heating device can also compensate for the heating of the uneven refrigeration position of the evaporation module 123, to realize temperature compensation for the uneven refrigeration phenomenon of the evaporation module 123, ensure the uniformity of the circulating air temperature entering the experimental space 122, reduce the temperature difference of the experimental space 122 under different working conditions, and comprehensively optimize the temperature uniformity of the experimental space 122.

[0074] In specific implementation, the circulating module 220 in the climate environment test box 200 of the present application has a plurality of structures to realize its functions, refer to Figure 7 As shown, the circulating module 220 at least includes: a circulating fan composed of a driving motor 221 and a fan body 222;

[0075] The driving motor 221 is arranged above the shell 210, and the driving motor 221 is electrically connected with the control module, and the driving motor 221 is in transmission connection with the fan body 222;

[0076] The fan body 222 is arranged in the circulating air duct 120.

[0077] In Figure 7 As shown in the climate environment test box 200, the fan body 222 includes a fan shell 210, a fan impeller and a transmission device. The fan impeller is in transmission connection with the driving motor 221 through the transmission device. The driving motor 221 can drive the fan impeller to rotate under the control of the control module, so that the circulating air flow circulates between the experimental space 122 and the circulating air duct 120.

[0078] In a possible implementation, refer to Figure 7The climate environment test box 200 can further include a second temperature detection module 250, as shown.

[0079] The second temperature detection module 250 is arranged at the air outlet 240 of the circulating air duct 120, and is electrically connected to the control module. The second temperature detection module 250 is configured to detect the temperature of the circulating air flow at the air outlet 240.

[0080] In Figure 7 In the climate environment test box 200, the second temperature detection module 250 includes a temperature sensor arranged at the air outlet 240 of the circulating air duct 120. The temperature of the circulating air flow at the air outlet 240 detected by the second temperature detection module 250 is the temperature of the circulating air flow flowing into the test space 122. The second temperature detection module 250 transmits the detected temperature of the circulating air flow to the control module, so that the control module can adjust the heating power of the main heating module 100 and / or the refrigeration power of the evaporation module 123 according to the temperature of the circulating air flow and the preset temperature.

[0081] In a possible implementation, referring to Figure 7 The climate environment test box 200 can further include a humidity adjustment module 260 and a humidity sensor 261, as shown.

[0082] The humidity adjustment module 260 is arranged in the circulating air duct 120, and is electrically connected to the control module. The humidity adjustment module 260 is configured to adjust the humidity of the test space 122.

[0083] The humidity sensor 261 is arranged inside the test space 122, and is electrically connected to the control module. The humidity sensor 261 is configured to collect the humidity of the test space 122.

[0084] In Figure 7 In the climate environment test box 200, the humidity adjustment module 260 includes a humidifier and a dehumidifier. The humidity adjustment module 260 can increase the humidity of the test space 122 by starting the humidifier under the control of the control module, and can also increase the humidity of the test space 122 by starting the dehumidifier under the control of the control module. The humidity sensor 261 can collect the humidity in the test space and send the collected humidity to the control module, so that the control module controls the humidity adjustment module 260 to adjust the humidity of the test space 122.

[0085] In a possible implementation, referring to Figure 7 The climate environment test box 200 can further include a light adjustment module 270 and a light sensor 271, as shown.

[0086] The light adjustment module 270 is arranged on the top of the experiment space 122, and the light adjustment module 270 is electrically connected with the control module; the light adjustment module 270 is used for adjusting the brightness of the experiment space 122.

[0087] The light sensors 271 are arranged on the bottom of the experiment space 122, and the light sensors 271 are electrically connected with the control module; the light sensors 271 are used for collecting the brightness of the experiment space 122.

[0088] In Figure 9 In the climate environment experiment box 200 shown in the figure, the light adjustment module 270 comprises a light source and a brightness adjustment circuit, wherein the light source is an LED lamp or a fluorescent lamp, and the brightness adjustment circuit is used for adjusting the voltage or current of the light source. The light source is arranged on the top of the experiment space 122, and the brightness adjustment circuit is arranged in the electrical space 121, and the brightness adjustment circuit is connected with the light source and the control module respectively. The light adjustment module 270 can change the brightness of the light source through the brightness adjustment circuit under the control of the control module, so as to adjust the brightness of the experiment space 122. The brightness sensor can collect the brightness in the experiment space, and send the collected brightness to the control module, so that the control module controls the brightness adjustment module to adjust the brightness of the experiment space 122.

[0089] In a possible implementation, referring to Figure 9 The climate environment experiment box can further comprise a display module 280.

[0090] The display module 280 is arranged through the shell, and the display module 280 is electrically connected with the control module; the display module 280 is used for displaying the experiment condition data of the experiment space.

[0091] In ​ In the climate environment experiment box shown in the figure, the display module 280 can be composed of an LED display screen or a touch display screen. The shell 210 is composed of a front door body and a cabinet body, and the display module 280 is arranged through the front door body. The display module 280 can display the experiment condition data of the experiment space under the control of the control module, wherein the experiment condition data comprises temperature, humidity and brightness data.

[0092] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all changes and modifications falling within the scope of the present application.

[0093] Obviously, various modifications and variations of the present application embodiment can be made by those skilled in the art without departing from the spirit and scope of the present application embodiment. Thus, if these modifications and variations of the present application embodiment fall within the scope of the present application claims and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A heating device provided in a climatic environmental test chamber, characterized in that, The heating device comprises: a main heating module, an auxiliary heating module and a control module; the control module is electrically connected with the auxiliary heating module and the main heating module respectively; the main heating module and the auxiliary heating module are arranged in the interior of a circulating air duct in a climate environment test box; the control module is arranged in the interior of an electrical space in the climate environment test box; the main heating module is used for heating treatment of circulating air flow between an experimental space of the climate environment test box and a circulating air duct of the climate environment test box, so as to improve the temperature of the experimental space of the climate environment test box; the auxiliary heating module is used for compensation heating at a position where heating of the main heating module is uneven; the control module is used for controlling the main heating module to perform heating treatment and controlling the auxiliary heating module to perform compensation heating.

2. The heating device of claim 1, wherein The auxiliary heating module comprises a plurality of auxiliary heaters; the plurality of auxiliary heaters are uniformly distributed on a first cross section of the circulating air duct, and the plurality of auxiliary heaters are connected with the control module respectively; the total area of the auxiliary heaters is smaller than the area of the first cross section.

3. The heating device of claim 2, wherein, The main heating module comprises a main heater; the main heater is arranged on a second cross section of the circulating air duct, and the main heater is connected with the control module; the area of the main heater is larger than the area of the auxiliary heater; the area of the main heater is smaller than the area of the second cross section.

4. The heating device of claim 3, wherein The control module is also electrically connected with an evaporation module of the climate environment test box; the control module is also used for controlling the auxiliary heating module to perform compensation heating at a position where refrigeration of the evaporation module is uneven.

5. The heating device of claim 3, wherein Further comprising: a first temperature detection module; the first temperature detection module is arranged at each monitoring point in the interior of the experimental space, and the first temperature detection module is electrically connected with the control module; the first temperature detection module is used for detecting the temperature of each monitoring point in the experimental space.

6. A climatic environmental test chamber, characterized by The heating device comprises: the heating device, the shell, the circulating module and the evaporation module of any one of claims 1-5; the interior of the shell is divided into an experimental space, a circulating air duct and an electrical space; the circulating air duct communicates with the experimental space through an air inlet and an air outlet; the circulating module, the evaporation module, the main heating module in the heating device and the auxiliary heating module in the heating device are arranged in the circulating air duct, and the control module in the heating device is connected with the circulating module and the evaporation module respectively; the heating device is used for uniformly heating treatment of circulating air flow between the experimental space and the circulating air duct, so as to improve the temperature of the experimental space; the evaporation module is used for refrigeration treatment of the circulating air flow between the experimental space and the circulating air duct, so as to reduce the temperature of the experimental space; the circulating module is used for driving the circulating air flow to circulate between the experimental space and the circulating air duct.

7. The climatic chamber test chamber according to claim 6, characterized in that The circulating module comprises a circulating fan composed of a driving motor and a fan body; the driving motor is arranged above the shell, the driving motor is electrically connected with the control module, and the driving motor is in transmission connection with the fan body; the fan body is arranged in the circulating air duct.

8. The climatic chamber test chamber according to claim 7, characterized in that Further comprising: a second temperature detection module; The second temperature detection module is arranged at the air outlet of the circulating air duct, and the second temperature detection module is electrically connected with the control module; the second temperature detection module is used for detecting the temperature of the circulating airflow at the air outlet.

9. The climatic chamber test chamber according to claim 8, characterized in that Further comprising: a humidity adjusting module and a humidity sensor; The humidity adjusting module is arranged in the circulating air duct, and the humidity adjusting module is electrically connected with the control module; the humidity adjusting module is used for adjusting the humidity of the experimental space; The humidity sensor is arranged inside the experimental space, and the humidity sensor is electrically connected with the control module; the humidity sensor is used for collecting the humidity of the experimental space.

10. The climatic chamber test chamber according to claim 9, characterized in that Further comprising: a light adjusting module and a light sensor; The light adjusting module is arranged at the top of the experimental space, and the light adjusting module is electrically connected with the control module; the light adjusting module is used for adjusting the brightness of the experimental space; The light sensor is arranged at the bottom of the experimental space, and the light sensor is electrically connected with the control module; the light sensor is used for collecting the brightness of the experimental space.