A heating control system for an autoclave

By introducing a temperature control system that includes heating elements, temperature sensors, and a wireless communication module into the autoclave, the problem of unstable temperature in the autoclave has been solved, enabling real-time temperature monitoring and automatic adjustment, thus improving the intelligence and safety of the autoclave.

CN224555787UActive Publication Date: 2026-07-24TIANJIN TRICO AVIATION EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN TRICO AVIATION EQUIPMENT CO LTD
Filing Date
2025-08-27
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing autoclaves suffer from instability in temperature control, which affects the curing effect and safety of composite materials.

Method used

It employs heating elements, temperature sensors, and a temperature control system. The temperature inside the autoclave is monitored and controlled in real time via a wireless communication module. Combined with a current sensor and an alarm, it enables automatic adjustment of the heating elements and alarm for abnormalities.

Benefits of technology

It improves the stability and intelligence of the temperature inside the autoclave, reduces safety hazards, and ensures the stability and safety of the composite material curing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of heating control system for hot press jar, including heating element, temperature sensor being arranged in hot press jar and temperature control system being arranged in the outside of hot press jar, the temperature control system includes control device and wireless communication unit, the control device includes shell, circuit board is equipped in the shell, main control chip, clock circuit, reset circuit, solid-state relay, JTAG circuit, interface circuit, comparator and power module are equipped on the circuit board.The utility model utilizes temperature sensor to collect temperature data in hot press jar in real time, and according to the result of acquisition, heating element is automatically controlled to work, so that the temperature in heating press jar is stable, the degree of intellectualization is improved, the stability of hot press jar work is improved, and the occurrence of danger is reduced.
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Description

Technical Field

[0001] This utility model belongs to the field of intelligent control technology, and in particular relates to a heating control system for autoclaves. Background Technology

[0002] Autoclaves are equipment used for curing and molding composite material components. In composite material molding technology, the uniform temperature and pressure provided within the autoclave are essential for achieving the curing of the composite material. Therefore, temperature control within the autoclave is particularly important in the current manufacturing process and is a key issue that requires in-depth research. Summary of the Invention

[0003] In view of this, the present invention aims to overcome the shortcomings of the above-mentioned problems in the prior art and proposes a heating control system for autoclaves.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A heating control system for an autoclave includes a heating element and a temperature sensor disposed inside the autoclave, and a temperature control system disposed outside the autoclave. The heating element is used to heat the autoclave, the temperature sensor is used to detect the temperature of the working area inside the autoclave and transmit the data to the temperature control system, and the temperature control system controls the heating element to operate according to a set temperature value to maintain a stable working temperature inside the autoclave.

[0006] The temperature control system includes a control device and a wireless communication unit. The control device includes a housing, and a circuit board is provided inside the housing. The circuit board is provided with a main control chip, a clock circuit, a reset circuit, a solid-state relay, a JTAG circuit, an interface circuit, a comparator, and a power module. The clock circuit, reset circuit, solid-state relay, JTAG circuit, interface circuit, comparator, and power module are all electrically connected to the main control chip. The main control chip is connected to the wireless communication unit through the interface circuit, and the main control chip is connected to the heating element through the solid-state relay.

[0007] Furthermore, the heating element includes an electric heater, which contains a heating wire.

[0008] Furthermore, the temperature control system is connected to a host computer via a wireless communication unit.

[0009] Furthermore, the wireless communication unit adopts a 4G / 5G wireless communication module.

[0010] Furthermore, an alarm is also provided on the outside of the autoclave, and the alarm is electrically connected to a control device.

[0011] Furthermore, the temperature sensor is connected to the main control chip via a MAX6675 conversion chip.

[0012] Furthermore, it also includes a current sensor to detect the operating current of the heating wire and is connected to the main control chip.

[0013] Furthermore, the control device is also equipped with a first register and a second register. The first register is used to store a first temperature threshold, and the second register is used to store the difference between the detected temperature value and the first temperature threshold. Both the first register and the second register are connected to the main control chip.

[0014] Furthermore, the main control chip includes a microcontroller.

[0015] Furthermore, the host computer is also connected to a server.

[0016] Compared with the prior art, the heating control system for autoclaves described in this utility model has the following advantages:

[0017] This invention utilizes a temperature sensor to collect real-time temperature data inside the autoclave and automatically controls the operation of the heating element based on the collected results, thereby stabilizing the temperature inside the autoclave, improving the level of intelligence, enhancing the stability of the autoclave's operation, and reducing the occurrence of dangers. Attached Figure Description

[0018] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0019] Figure 1 This is a schematic diagram of the heating control system for an autoclave according to the present invention;

[0020] Figure 2 This is a schematic diagram of the heating control system for an autoclave according to the present invention.

[0021] Explanation of reference numerals in the attached figures

[0022] 1-Heating element; 2-Temperature sensor; 3-Control device; 4-Wireless communication unit; 5-Host computer; 6-Alarm. Detailed Implementation

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0024] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] like Figure 1-2 As shown, this utility model provides a heating control system for an autoclave, including a heating element 1 and a temperature sensor 2 disposed inside the autoclave, and a temperature control system disposed outside the autoclave. The heating element 1 is used to heat the autoclave, and the temperature sensor 2 is used to detect the temperature of the working area inside the autoclave and transmit the data to the temperature control system. The temperature control system controls the heating element 1 to work according to the set temperature value to maintain a stable working temperature inside the autoclave.

[0028] The temperature control system includes a control device 3 and a wireless communication unit 4. The control device 3 includes a housing, and a circuit board is provided inside the housing. The circuit board is provided with a main control chip, a clock circuit, a reset circuit, a solid-state relay, a JTAG circuit, an interface circuit, a comparator, and a power module. The clock circuit, reset circuit, solid-state relay, JTAG circuit, interface circuit, comparator, and power module are all electrically connected to the main control chip. The main control chip is connected to the wireless communication unit 4 through the interface circuit. The main control chip is connected to the heating element 1 through the solid-state relay.

[0029] As a further embodiment, the heating element 1 includes an electric heater, which contains a heating wire.

[0030] As a further option, the temperature control system is connected to the host computer 5 via the wireless communication unit 4.

[0031] As a further option, the wireless communication unit 4 adopts a 4G / 5G wireless communication module.

[0032] As a further embodiment, an alarm 6 is also provided on the outside of the autoclave, and the alarm 6 is electrically connected to the control device 3.

[0033] As a further solution, the temperature sensor is connected to the main control chip via a MAX6675 conversion chip.

[0034] As a further solution, a current sensor is also included to detect the operating current of the heating wire and to connect to the main control chip.

[0035] As a further embodiment, the control device 3 is also provided with a first register and a second register. The first register is used to store a first temperature threshold, and the second register is used to store the difference between the detected temperature value and the first temperature threshold. Both the first register and the second register are connected to the main control chip.

[0036] As a further option, the main control chip includes a microcontroller.

[0037] As a further option, the host computer 5 is also connected to a server.

[0038] In operation, this invention uses a temperature sensor to detect the temperature inside the autoclave and converts it into a weak voltage signal. The voltage signal is then amplified by a MAX6675 converter chip and converted into a digital signal, which is then sent to a microcontroller. The microcontroller compares the pre-set temperature value with the detected value using a comparator to determine whether an alarm needs to be triggered. When the temperature exceeds the pre-set value, a solid-state relay controls the heating element to stop working.

[0039] This invention also determines whether there is a sudden rise or fall in temperature by comparing the values ​​of the first register and the second register, thereby controlling the start and stop of the heating element to maintain temperature stability, and providing an alarm reminder.

[0040] This invention also utilizes a current sensor to detect the operating current of the heating wire, and an alarm is triggered when an abnormality occurs.

[0041] It should be noted that all functional modules of this utility model are based on existing products, and the connection relationships between the modules are also conventional relationships in this field.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heating control system for an autoclave, characterized in that: It includes a heating element (1) and a temperature sensor (2) installed inside the autoclave, and a temperature control system installed outside the autoclave. The heating element (1) is used to heat the autoclave, and the temperature sensor (2) is used to detect the temperature of the working area inside the autoclave and transmit the data to the temperature control system. The temperature control system controls the heating element (1) to work according to the set temperature value to maintain a stable working temperature inside the autoclave. The temperature control system includes a control device (3) and a wireless communication unit (4). The control device (3) includes a housing and a circuit board inside the housing. The circuit board is equipped with a main control chip, a clock circuit, a reset circuit, a solid-state relay, a JTAG circuit, an interface circuit, a comparator, and a power supply module. The clock circuit, reset circuit, solid-state relay, JTAG circuit, interface circuit, comparator, and power supply module are all electrically connected to the main control chip. The main control chip is connected to the wireless communication unit (4) through the interface circuit. The main control chip is connected to the heating element (1) through the solid-state relay.

2. A heating control system for an autoclave according to claim 1, characterized in that: The heating element (1) includes an electric heater, which has a heating wire inside.

3. A heating control system for an autoclave according to claim 1, characterized in that: The temperature control system is connected to the host computer (5) via a wireless communication unit (4).

4. A heating control system for an autoclave according to claim 1, characterized in that: The wireless communication unit adopts a 4G / 5G wireless communication module.

5. A heating control system for an autoclave according to claim 1, characterized in that: An alarm (6) is also provided on the outside of the autoclave, and the alarm (6) is electrically connected to the control device (3).

6. A heating control system for an autoclave according to claim 1, characterized in that: The temperature sensor (2) is connected to the main control chip via a MAX6675 conversion chip.

7. A heating control system for an autoclave according to claim 2, characterized in that: It also includes a current sensor to detect the operating current of the heating wire and is connected to the main control chip.

8. A heating control system for an autoclave according to claim 1, characterized in that: The control device (3) is further provided with a first register and a second register. The first register is used to store a first temperature threshold, and the second register is used to store the difference between the detected temperature value and the first temperature threshold. Both the first register and the second register are connected to the main control chip.

9. A heating control system for an autoclave according to claim 1, characterized in that: The main control chip includes a microcontroller.

10. A heating control system for an autoclave according to claim 3, characterized in that: The host computer (5) is also connected to the server.