Double-area double-vacuum high-precision control instrument for aviation composite material repair

Abstract

The invention belongs to the field of composite material structure repairing instrument development, and particularly relates to a double-area double-vacuum high-precision control instrument for aviation composite material repairing, the double-area double-vacuum high-precision control instrument comprises a hardware system and a software system, the hardware system comprises a shell structure, a temperature control system, a vacuum degree control system, an over-limit alarm system and a data input and output system; the shell structure is used for providing support for the temperature control system, the vacuum degree control system, the over-limit alarm system and the data input and output system; the temperature control system is used for automatically controlling the temperature in the shell structure; the vacuum degree control system is used for performing vacuumizing control; and the over-limit alarm system is used for monitoring internal working data. And a double-area operation capability and a double-vacuum system are provided, and a high-precision repairing instrument which meets the requirement of repairing a composite material structure of aviation equipment in China is developed. Meanwhile, miniaturization and integration of the structure are achieved, and man-machine friendliness and intellectualization requirements are met.

Description

Technical Field

[0001] The present application belongs to the field of composite material structure repair instrument development, and in particular relates to a dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials. Background Art

[0002] When an aircraft composite structure is damaged, its bearing capacity will be reduced, and it must be repaired to restore its use function and structural integrity. In addition, aircraft composite structures will inevitably have manufacturing defects or damage during the production process, and timely repairs must be carried out to reduce the scrap rate of parts in production and improve the integrity of parts, thereby reducing the cost of composite materials while ensuring safety. Among the repair equipment and tools for composite materials, the thermal repair instrument is the most critical equipment. However, most of the existing repair instruments are single vacuum systems, which have problems to varying degrees, such as large product size and weight, low control accuracy, small number of temperature measurement channels, poor versatility, unfriendly interface and poor portability. Therefore, a dual-zone dual-vacuum composite structure repair control instrument that integrates the two core functions of heating temperature control and vacuuming was designed and developed to meet the needs of miniaturization, integration, human-machine friendliness and intelligence. Summary of the invention

[0003] The purpose of this application is to provide a dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials, so as to solve the problems of existing repair instruments such as large product size and weight, low control accuracy, small number of temperature measurement channels, poor versatility, unfriendly interface and poor portability.

[0004] The technical solution of the present application is: a dual-zone dual-vacuum high-precision control instrument for aviation composite material repair, including a hardware system and a software system, the hardware system including a shell structure, a temperature control system, a vacuum control system, an over-limit alarm system and a data input and output system; the shell structure is used to provide support for the temperature control system, the vacuum control system, the over-limit alarm system and the data input and output system; the temperature control system is used to automatically control the temperature inside the shell structure; the vacuum control system is used to perform vacuum control; the over-limit alarm system is used to monitor internal working data, and emits an audible and visual alarm after the monitored temperature, pressure and current exceed the limit, and performs emergency protection operations; the data input and output system is used to input control parameters and output to a printer or USB interface.

[0005] Preferably, the temperature control system includes a first controller, a temperature controller, a temperature module, a power module and a first AD / DA module; the temperature module and the first AD / DA module are both electrically connected to the first controller, the power module is electrically connected to the first AD / DA module, the temperature controller is electrically connected to the temperature module, and the temperature controller is used to collect temperature data in the shell structure; the temperature module is used to receive temperature data collected by the temperature controller; the power module is used to adjust the power of the temperature module; and the first AD / DA module is used to input and output temperature data.

[0006] Preferably, the vacuum control system includes a second controller, a built-in electric vacuum pump, a built-in Venturi vacuum pump, a pressure sensor, a second AD / DA module and a vacuum solenoid valve, and the second AD / DA module and the vacuum solenoid valve are electrically connected to the second controller; the built-in electric vacuum pump and the built-in Venturi vacuum pump are both electrically connected to the vacuum solenoid valve, and the vacuum solenoid valve is used for switching control of the vacuum pump; the pressure sensor is connected to the second AD / DA module, and is used to transmit a pressure signal to the second controller through the second AD / DA module.

[0007] Preferably, the over-limit alarm system includes a third controller, a third AD / DA module, a current sensor, an audible and visual alarm, and an emergency protection switch; the third controller is electrically connected to the first controller, the third AD / DA module, the audible and visual alarm, and the emergency protection switch are all electrically connected to the third controller, the current sensor is connected to the third AD / DA module, and the audible and visual alarm adopts an over-limit alarm.

[0008] Preferably, the data input and output system includes a fourth controller, a touch display screen, a USB interface and a printer; the touch display screen, the USB interface and the printer are all electrically connected to the fourth controller, and the fourth controller can receive data in the first controller, the second controller and the third controller.

[0009] Preferably, the shell structure includes a vacuum adjustment knob, an external vacuum interface, a vacuum connection interface, an exhaust port, a vacuum detection interface, an emergency switch, a J-type thermocouple interface, a heating output interface, a heating input interface, a main power interface, a main switch, an alarm light, a heating switch, an indicator light, a USB data input and output interface, a heat patching instrument panel, a heat patching instrument housing and a touch screen; a vacuum adjustment knob, an external vacuum interface, a vacuum connection interface, an exhaust port, a vacuum detection interface, an emergency switch, a J-type thermocouple interface, a heating output interface, a heating input interface, a main power interface, a main switch, an alarm light, a heating switch, an indicator light, a USB data input and output interface, a heat patching instrument panel The board and touch screen are both located on the outer shell of the thermal patching instrument. The vacuum adjustment knob is used to adjust the vacuum pressure. The external vacuum interface is used to connect the external gas source. The vacuum connection interface and the vacuum detection interface are used to connect the vacuum bag. The exhaust port is used to discharge excess gas from the vacuum bag. The J-type thermocouple interface is used to connect to the J-type thermocouple. Each area can connect to 10 J-type thermocouples. The heating output interface is used to connect the heating blanket. The heating input interface is used to connect the power supply. The main power interface is used to connect the power supply. The main switch is the power switch for the components of the thermal patching instrument. The alarm light is used for temperature / vacuum alarm and sound and light alarm. The heating switch is used for the heating blanket power switch; the indicator light is used to indicate the power supply to the heating blanket.

[0010] Preferably, the software system includes a display screen management subsystem and a PLC controller subsystem; the display screen management subsystem includes a login startup module, a real-time monitoring data display module, a temperature curve image display module, a pressure and current curve image display module and a control parameter setting module; the login startup module is used for the software startup interface, which is used to obtain different usage permissions according to different user information after different users enter passwords, and enter different user interfaces; the real-time monitoring data display module is used to display the real-time temperature monitored by all thermocouples in different partitions, the real-time vacuum pressure monitored by the pressure sensor and the real-time monitored by the current sensor; the temperature curve image display module is used to display the temperature curve set by the program and the real-time temperature curve monitored; the pressure and current curve image display module is used to display the vacuum pressure curve set by the program and the vacuum pressure curve actually monitored, and display the heating current curve of the repair area actually monitored; the control parameter setting module is used to set the following parameters: heating rate, time, insulation temperature, time, cooling rate, time, vacuum rate, vacuum pressure and vacuum time.

[0011] Preferably, the display screen management subsystem also includes a process program calling module and a data transmission and output module. The process program calling module is used to directly select and modify from dozens of preset process programs stored in the system; after the preset process program is modified, the customized program can be saved; the data transmission and output module can select the data to be transmitted and perform the transmission operation.

[0012] Preferably, the PLC controller subsystem includes a digital signal processing module and a hardware system control module. The digital signal processing module can receive the digital signals monitored by each sensor monitoring module and convert them into corresponding parameter values ​​and curve graphs, and then output them to the touch screen for display; the hardware system control module can receive the control parameters or process procedures set by the user on the touch screen, and combine the real-time signals of each sensor monitored, perform control algorithm calculations, and then output the digital control signals to the heating system, vacuum system and over-limit alarm system of the thermal repair instrument for automatic control;

[0013] The hardware system control module includes a temperature monitoring submodule, a vacuum degree monitoring submodule, a current monitoring submodule, a temperature control submodule, a vacuum degree control submodule and an over-limit alarm submodule; the temperature monitoring submodule can receive the digital signal output by the temperature module after analog-to-digital conversion by the AD module, convert it into a real-time temperature value through a program, and then output it to the touch display screen for display; the vacuum degree monitoring submodule can receive the digital signal output by the vacuum pressure module after analog-to-digital conversion by the AD module, convert it into a real-time vacuum pressure value through a program, and then output it to the touch display screen for display.

[0014] Preferably, the current monitoring submodule can receive the digital signal output by the current detection module after analog-to-digital conversion by the AD module, convert it into a real-time current value through a program, and then output it to the touch screen for display; the temperature control submodule can use the fuzzy PID algorithm to perform temperature control according to the monitored real-time temperature and the temperature parameters set by the user, and output digital temperature control instructions to the power module of the thermal repair instrument;

[0015] The vacuum control submodule can use PID algorithm to control the vacuum degree according to the monitored real-time vacuum pressure and the vacuum pressure parameters set by the user, and output digital vacuum pressure control instructions to the vacuum system of the thermal repair instrument; the over-limit alarm submodule can determine whether each parameter is out of limit according to the monitored temperature, vacuum pressure and current value. If so, on the one hand, it outputs a digital signal to the sound and light alarm to make it emit a sound and light alarm, and on the other hand, it outputs the corresponding program control parameters to the display screen management subsystem.

[0016] The dual-zone dual-vacuum high-precision control instrument for aviation composite material repair in this application has dual-zone operation capability and dual vacuum system. Develop high-precision repair instruments that meet the needs of composite material structure repair of my country's aviation equipment, support the independent controllable construction of key national defense equipment and instruments, and enhance the independent maintenance and support capabilities of my country's aviation weapons and equipment. At the same time, realize the miniaturization and integration of the structure, human-machine friendliness and intelligence requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution provided by the present application, the following is a brief introduction to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present application.

[0018] Figure 1 This is a schematic diagram of the overall structure of this application;

[0019] Figure 2 This is a schematic diagram of the hardware composition of the hot patching device of this application;

[0020] Figure 3 This is a schematic diagram of the structure of the thermal repair instrument for this application;

[0021] Figure 4 This is a schematic diagram of the thermal patching instrument control software for this application.

[0022] 1. Vacuum adjustment knob; 2. External vacuum interface; 3. Vacuum connection interface; 4. Exhaust port; 5. Vacuum detection interface; 6. Emergency switch; 7. J-type thermocouple interface; 8. Heating output interface; 9. Heating input interface; 10. Main power interface; 11. Main switch; 12. Alarm light; 13. Heating switch; 14. Indicator light; 15. USB data input and output interface; 16. Thermal patch instrument panel; 17. Thermal patch instrument housing; 18. Touch screen. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] A dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials. It can provide the heating rate, heating process, temperature maintenance time and cooling rate required for resin / adhesive curing according to the needs of the repair operation, while providing an ideal vacuum state and can accurately monitor and adjust temperature and pressure.

[0025] like Figure 1-2As shown, it includes a hardware system and a software system. The hardware system includes a shell structure, a temperature control system, a vacuum control system, an over-limit alarm system and a data input and output system; the shell structure is used to provide support for the temperature control system, the vacuum control system, the over-limit alarm system and the data input and output system; the temperature control system is used to automatically control the temperature inside the shell structure; the vacuum control system is used to perform vacuum control; the over-limit alarm system is used to monitor internal working data, and emits an audible and visual alarm after the monitored temperature, pressure and current exceed the limit, and performs emergency protection operations; the data input and output system is used to input control parameters and output to a printer or USB interface.

[0026] Preferably, the temperature control system includes a first controller, a temperature controller (thermocouple), a temperature module, a power module (power regulator), and a first AD / DA module, etc. The temperature module and the first AD / DA module are both electrically connected to the first controller, the power module (power regulator) is electrically connected to the first AD / DA module, the temperature controller (thermocouple) is electrically connected to the temperature module, the temperature controller is used to collect temperature data in the shell structure; the temperature module is used to receive the temperature data collected by the temperature controller; the power module is used to adjust the power of the temperature module; the first AD / DA module is used to input and output temperature data, forming an automatic control system that can achieve precise temperature control.

[0027] Preferably, the vacuum control system includes a second controller, a built-in electric vacuum pump, a built-in venturi vacuum pump, a pressure sensor, a second AD / DA module, and a vacuum solenoid valve, etc. The second AD / DA module and the vacuum solenoid valve are electrically connected to the second controller; the built-in electric vacuum pump and the built-in venturi vacuum pump are both electrically connected to the vacuum solenoid valve, and the vacuum solenoid valve is used to control the switch of the vacuum pump; the pressure sensor is connected to the second AD / DA module, and is used to transmit a pressure signal to the second controller through the second AD / DA module. An automatic control system is formed that can create a vacuum environment and perform precise control of the vacuum degree.

[0028] Preferably, the over-limit alarm system includes a third controller, a third AD / DA module, a current sensor, an audible and visual alarm, an emergency protection switch, etc. The third controller is electrically connected to the first controller, the third AD / DA module, the audible and visual alarm, and the emergency protection switch are all electrically connected to the third controller, the current sensor is connected to the third AD / DA module, and the audible and visual alarm is an over-limit alarm. When the temperature, pressure, and current monitored by the PLC controller of the hot repair instrument exceed the limit, an audible and visual alarm can be issued, and an emergency protection operation can be performed.

[0029] Preferably, the data input and output system includes a fourth controller, a touch screen, a USB interface, a printer, etc. The touch screen, the USB interface, and the printer are all electrically connected to the fourth controller, and the fourth controller can receive data from the first controller, the second controller, and the third controller. The user can input various control parameters in the system, and monitor the entire process of hot patching in real time through the touch screen, and can also output the required data through the printer or the USB interface as needed.

[0030] like Figure 3 As shown, preferably, the shell structure includes a vacuum adjustment knob 1, an external vacuum interface 2, a vacuum connection interface 3, an exhaust port 4, a vacuum detection interface 5, an emergency switch 6, a J-type thermocouple interface 7, a heating output interface 8, a heating input interface 9, a main power interface 10, a main switch 11, an alarm light 12, a heating switch 13, an indicator light 14, a USB data input and output interface 15, a thermal patching instrument panel 16, a thermal patching instrument housing 17 and a touch screen 18. The vacuum adjustment knob 1, the external vacuum interface 2, the vacuum connection interface 3, the exhaust port 4, the vacuum detection interface 5, the emergency switch 6, the J-type thermocouple interface 7, the heating output interface 8, the heating input interface 9, the main power interface 10, the main switch 11, the alarm light 12, the heating switch 13, the indicator light 14, the USB data input and output interface 15, the thermal patching instrument panel 16 and the touch screen 18 are all arranged on the thermal patching instrument housing 17, the vacuum adjustment knob 1 is used to adjust the vacuum pressure, the external vacuum interface 2 is used to connect an external gas source, the vacuum connection interface 3 and The vacuum detection interface 5 is used to connect the vacuum bag, the exhaust port 4 is used to exhaust the excess gas in the vacuum bag, the J-type thermocouple interface 7 is used to connect the J-type thermocouple, and each area can connect 10 J-type thermocouples; the heating output interface 8 is used to connect the heating blanket, the heating input interface 9 is used to connect the power supply, the main power interface 10 is used to connect the power supply, the main switch 11 is the power supply switch for the components of the thermal compensation instrument, the alarm light 12 is used for temperature / vacuum alarm and sound and light alarm, the heating switch 13 is used for the heating blanket power supply switch; the indicator light 14 is used for the heating blanket power supply indication.

[0031] like Figure 4 As shown in the figure, the software system is mainly designed for the control software of the thermal patching instrument, and the software system includes a display management subsystem and a PLC controller subsystem. Both the display management subsystem and the PLC controller subsystem adopt modular design, which can flexibly realize the monitoring and control of the temperature and vacuum degree of the two partitions.

[0032] Preferably, the display screen management subsystem can display various types of information monitored by the thermal patching instrument and provide control input for user operation on the touch screen in an intuitive user graphic and text interface. The display screen management subsystem includes a login startup module, a real-time monitoring data display module, a temperature curve image display module, a pressure and current curve image display module and a control parameter setting module.

[0033] The login startup module is used for the software startup interface. It is used to obtain different usage permissions according to different user information after different users enter passwords, and enter different user interfaces; the real-time monitoring data display module is used to display the real-time temperature monitored by all thermocouples in different partitions, the real-time vacuum pressure monitored by the pressure sensor, and the real-time current monitored by the current sensor. The real-time temperature includes a single value monitored by each thermocouple, and the average / maximum / minimum value of all or several thermocouples. When a monitored parameter exceeds the limit, the corresponding parameter of the module will turn red and flash to warn of the program exceeding the limit.

[0034] The temperature curve image display module is used to display the temperature curve set by the program and the real-time temperature curve monitored, where the real-time temperature curve can come from a single value monitored by each thermocouple, the average value / maximum value / minimum value of all or several thermocouples; the pressure and current curve image display module is used to display the vacuum pressure curve set by the program and the actually monitored vacuum pressure curve, and display the actually monitored repair area heating current curve; the control parameter setting module is used to set the following parameters: heating rate, time, insulation temperature, time, cooling rate, time, vacuum rate, vacuum pressure and vacuum time.

[0035] Preferably, the display screen management subsystem also includes a process program calling module and a data transmission and output module. The process program calling module is used to directly select and modify from dozens of sets of preset process programs stored in the system to achieve quick process program compilation; after the preset process program is modified, the customized program can be saved for easy calling next time; the data transmission and output module can select the data to be transmitted (such as process program, temperature / vacuum history curve, etc.) and perform transmission operations, and can also specify data for print output.

[0036] Preferably, the PLC controller subsystem includes a digital signal processing module and a hardware system control module. The digital signal processing module can receive the digital signals monitored by each sensor monitoring module and convert them into corresponding parameter values ​​(temperature, pressure, current, etc.) and curve graphs, and then output them to the touch screen for display, so as to realize the thermal patching instrument system to monitor various types of information; the hardware system control module can accept the control parameters or process procedures set by the user on the touch screen, and combine the real-time signals of each sensor monitored, perform control algorithm calculations, and then output the digital control signals to the thermal patching instrument heating system, vacuum system and over-limit alarm system for automatic control, so as to realize temperature control, vacuum control and over-limit alarm.

[0037] The hardware system control module includes a temperature monitoring submodule, a vacuum monitoring submodule, a current monitoring submodule, a temperature control submodule, a vacuum control submodule and an over-limit alarm submodule. The temperature monitoring submodule can receive the digital signal output by the temperature module after the AD module analog-to-digital conversion, convert it into a real-time temperature value through a program, and then output it to the touch screen for display, so as to realize the thermal patching instrument system to monitor the real-time temperature; the vacuum monitoring submodule can receive the digital signal output by the vacuum pressure module after the AD module analog-to-digital conversion, convert it into a real-time vacuum pressure value through a program, and then output it to the touch screen for display, so as to realize the thermal patching instrument system to monitor the real-time vacuum.

[0038] The current monitoring submodule can receive the digital signal output by the current detection module after analog-to-digital conversion by the AD module, convert it into a real-time current value through a program, and then output it to the touch screen for display, so as to realize the thermal patching instrument system to monitor the real-time current; the temperature control submodule can use the fuzzy PID algorithm to perform temperature control according to the monitored real-time temperature and the temperature parameters set by the user, and output digital temperature control instructions to the thermal patching instrument power module to adjust the heating power, so as to realize precise control of the temperature.

[0039] The vacuum control submodule can use PID algorithm to control the vacuum degree according to the monitored real-time vacuum pressure and the vacuum pressure parameters set by the user, and output digital vacuum pressure control instructions to the vacuum system of the thermal repair instrument to achieve control of the vacuum degree; the over-limit alarm submodule can determine whether each parameter is out of limit according to the monitored temperature, vacuum pressure and current value. If it is exceeded, on the one hand, it outputs a digital signal to the sound and light alarm to make it send out a sound and light alarm, and on the other hand, it outputs the corresponding program control parameters to the display management subsystem to make it send out a corresponding program alarm on the display screen.

[0040] In summary, this application has dual-zone operation capabilities and dual vacuum systems. Develop high-precision repair instruments that meet the needs of my country's aviation equipment composite material structure repairs, support the independent and controllable construction of my country's key defense equipment and instruments, and enhance my country's independent maintenance and support capabilities for aviation weapons and equipment. At the same time, realize the miniaturization and integration of the structure, human-machine friendliness and intelligence requirements.

[0041] Finally, it should be noted that: the drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention, and other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the present invention can be combined with each other;

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

Claims

1. A dual-zone dual-vacuum high-precision control instrument for aviation composite material repair, characterized by: It includes a hardware system and a software system. The hardware system includes a shell structure, a temperature control system, a vacuum control system, an over-limit alarm system and a data input and output system; the shell structure is used to provide support for the temperature control system, the vacuum control system, the over-limit alarm system and the data input and output system; the temperature control system is used to automatically control the temperature inside the shell structure; the vacuum control system is used to perform vacuum control; the over-limit alarm system is used to monitor internal working data, and emits an audible and visual alarm after the monitored temperature, pressure and current exceed the limit, and performs emergency protection operations; the data input and output system is used to input control parameters and output to a printer or USB interface.

2. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 1, characterized in that: The temperature control system includes a first controller, a temperature controller, a temperature module, a power module and a first AD / DA module; the temperature module and the first AD / DA module are both electrically connected to the first controller, the power module is electrically connected to the first AD / DA module, the temperature controller is electrically connected to the temperature module, the temperature controller is used to collect temperature data in the shell structure; the temperature module is used to receive temperature data collected by the temperature controller; the power module is used to adjust the power of the temperature module; the first AD / DA module is used to input and output temperature data.

3. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 1, characterized in that: The vacuum control system includes a second controller, a built-in electric vacuum pump, a built-in Venturi vacuum pump, a pressure sensor, a second AD / DA module and a vacuum solenoid valve, wherein the second AD / DA module and the vacuum solenoid valve are electrically connected to the second controller; the built-in electric vacuum pump and the built-in Venturi vacuum pump are both electrically connected to the vacuum solenoid valve, and the vacuum solenoid valve is used for switching control of the vacuum pump; the pressure sensor is connected to the second AD / DA module, and is used to transmit a pressure signal to the second controller through the second AD / DA module.

4. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 1, characterized in that: The over-limit alarm system includes a third controller, a third AD / DA module, a current sensor, an audible and visual alarm, and an emergency protection switch; the third controller is electrically connected to the first controller, the third AD / DA module, the audible and visual alarm, and the emergency protection switch are all electrically connected to the third controller, the current sensor is connected to the third AD / DA module, and the audible and visual alarm adopts an over-limit alarm.

5. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 1, characterized in that: The data input and output system includes a fourth controller, a touch display screen, a USB interface and a printer; the touch display screen, the USB interface and the printer are all electrically connected to the fourth controller, and the fourth controller can receive data in the first controller, the second controller and the third controller.

6. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 1, characterized in that: The housing structure comprises a vacuum regulating knob (1), an external vacuum interface (2), a vacuum connection interface (3), an exhaust port (4), a vacuum detection interface (5), an emergency switch (6), a J-type thermocouple interface (7), a heating output interface (8), a heating input interface (9), a main power interface (10), a main switch (11), an alarm light (12), a heating switch (13), an indicator light (14), a USB data input and output interface (15), a thermal repair instrument panel (16), a thermal repair instrument housing (17) and a touch screen (18); a vacuum regulating knob (1), an external vacuum interface (2), a vacuum connection interface (3), an exhaust port (4), a vacuum detection interface (5), an emergency switch (6), a J-type thermocouple interface (7), a heating output interface (8), a heating input interface (9), a main power, a main switch (11), an alarm light (12), a heating switch (13), an indicator light (14), USB data input and output interface (15), thermal patching instrument panel (16) and touch screen (18) are all arranged on the thermal patching instrument housing (17). The vacuum adjustment knob (1) is used to adjust the vacuum pressure. The external vacuum interface (2) is used to connect the external gas source. The vacuum connection interface (3) and the vacuum detection interface (5) are used to connect the vacuum bag. The exhaust port (4) is used to exhaust the excess gas in the vacuum bag. The J-type thermocouple interface (7) is used to connect the J-type thermocouple. Each area can connect 10 J-type thermocouples. The heating output interface (8) is used to connect the heating blanket. The heating input interface (9) is used to connect the power supply. The main power interface (10) is used to connect the power supply. The main switch (11) is the power supply switch for the thermal patching instrument components. The alarm light (12) is used to perform temperature / vacuum alarm and sound and light alarm. The heating switch (13) is used for the heating blanket power switch. The indicator light (14) is used for the heating blanket power indication.

7. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 1, characterized in that: The software system includes a display screen management subsystem and a PLC controller subsystem; the display screen management subsystem includes a login startup module, a real-time monitoring data display module, a temperature curve image display module, a pressure and current curve image display module and a control parameter setting module; the login startup module is used for the software startup interface, which is used to obtain different usage permissions according to different user information after different users enter passwords, and enter different user interfaces; the real-time monitoring data display module is used to display the real-time temperature monitored by all thermocouples in different partitions, the real-time vacuum pressure monitored by the pressure sensor and the real-time monitored by the current sensor; the temperature curve image display module is used to display the temperature curve set by the program and the real-time temperature curve monitored; the pressure and current curve image display module is used to display the vacuum pressure curve set by the program and the actually monitored vacuum pressure curve, and display the actually monitored heating current curve of the repair area; the control parameter setting module is used to set the following parameters: heating rate, time, insulation temperature, time, cooling rate, time, vacuum rate, vacuum pressure and vacuum time.

8. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 7, characterized in that: The display screen management subsystem also includes a process program calling module and a data transmission and output module. The process program calling module is used to directly select and modify dozens of preset process programs stored in the system; after the preset process program is modified, the customized program can be saved; The data transmission and output module can select the data to be transmitted and perform the transmission operation.

9. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 7, characterized in that: The PLC controller subsystem includes a digital signal processing module and a hardware system control module. The digital signal processing module can receive the digital signals monitored by each sensor monitoring module and convert them into corresponding parameter values ​​and curve graphs, and then output them to the touch screen for display; the hardware system control module can receive the control parameters or process procedures set by the user on the touch screen, and combine the real-time signals of each sensor monitored, perform control algorithm calculations, and then output the digital control signals to the heating system, vacuum system and over-limit alarm system of the thermal repair instrument for automatic control; The hardware system control module includes a temperature monitoring submodule, a vacuum degree monitoring submodule, a current monitoring submodule, a temperature control submodule, a vacuum degree control submodule and an over-limit alarm submodule; the temperature monitoring submodule can receive the digital signal output by the temperature module after analog-to-digital conversion by the AD module, convert it into a real-time temperature value through a program, and then output it to the touch display screen for display; the vacuum degree monitoring submodule can receive the digital signal output by the vacuum pressure module after analog-to-digital conversion by the AD module, convert it into a real-time vacuum pressure value through a program, and then output it to the touch display screen for display.

10. The dual-zone dual-vacuum high-precision control instrument for repairing aviation composite materials as claimed in claim 9, characterized in that: The current monitoring submodule can receive the digital signal output by the current detection module after analog-to-digital conversion by the AD module, convert it into a real-time current value through a program, and then output it to the touch screen for display; the temperature control submodule can use the fuzzy PID algorithm to perform temperature control according to the monitored real-time temperature and the temperature parameters set by the user, and output digital temperature control instructions to the power module of the thermal repair instrument; The vacuum control submodule can use the PID algorithm to control the vacuum degree according to the monitored real-time vacuum pressure and the vacuum pressure parameters set by the user, and output a digital vacuum pressure control instruction to the vacuum system of the thermal repair instrument; The over-limit alarm submodule can determine whether each parameter is out of limit based on the monitored temperature, vacuum pressure and current value. If it is out of limit, on the one hand, it outputs a digital signal to the sound and light alarm to make it emit a sound and light alarm, and on the other hand, it outputs the corresponding program control parameters to the display screen management subsystem.

Images