Blade post-curing energy-saving system

Abstract

The utility model discloses a blade post-curing energy-saving system which comprises a foundation, a mold table arranged at the upper end of the foundation, a mold arranged at the lower end of the mold table, a wind power blade raw material placed in the mold, a heating device arranged in the mold, a wireless temperature sensor arranged in the mold, and a temperature sensor arranged in the wireless temperature sensor. A programmable control device is arranged on the upper surface of the foundation, an input module and an output module are arranged on the side edge of the programmable control device, an environment temperature control device is arranged at the front end of the mold, and a relay, an air heater and a vacuum pump are arranged in the environment temperature control device. And a program is input into the programmable control device through an upper computer interface. By means of the structure, data can be collected and converted through a program, technological parameters can be input through a human-computer interface, local equipment can be controlled through logical operation, and a heating system and a vacuum system can be closed in time.

Description

Technical Field

[0001] This utility model relates to the field of vacuum injection molding of wind turbine blades, and in particular provides a blade post-curing energy-saving system. Background Technology

[0002] As wind turbine blades become increasingly larger, the safety factor of blades is decreasing in order to ensure lightweight design and improve wind power generation efficiency. Blades are constantly approaching their theoretical limits in design, placing increasingly stringent demands on manufacturing processes, especially on the TG value of fiberglass reinforced plastic (FRP), and implementing more rigorous testing methods. In FRP molding, the two main factors affecting the TG value are the binder ratio and heating. To meet these requirements, manufacturers invest heavily in precise control of the binder ratio, heating temperature, and duration, coupled with the necessary vacuum environment during molding. Due to the inability to precisely control the holding time, extended heating times are often used to ensure quality, resulting in significant energy consumption, increased equipment maintenance costs, and reduced production line time, indirectly reducing output and thus increasing blade manufacturing costs, placing immense operational pressure on the blade manufacturing industry.

[0003] To precisely control the TG of fiberglass, strictly control the heating and holding time, reduce energy consumption and production line downtime, thereby improving blade production efficiency, reducing overall costs and improving quality, a control system needs to be designed to monitor the holding time and control the heating and vacuum systems. Summary of the Invention

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide an energy-saving system for post-curing blades. The core component is a programmable controller. The input signals are the temperature, mold heating status and vacuum status during the post-curing process of the blades. The output signal is relay control. The program can collect and convert data. Process parameters can be input through a human-machine interface. The system controls local equipment through logical operations, and can shut down the heating system and vacuum system in a timely manner. It can also push alarm information through chat software via a local area network to remind demolding operators in a timely manner, so as to achieve seamless production.

[0005] This utility model also provides a blade post-curing energy-saving system, comprising: a foundation, a mold platform at the upper end of the foundation, a mold at the lower end of the mold platform, wind turbine blade raw materials placed inside the mold, a heating device inside the mold, a wireless temperature sensor inside the mold, a programmable control device on the upper surface of the foundation, an input module on the left side surface of the programmable control device, an output module on the right side surface of the programmable control device, an ambient temperature control device at the front end of the mold, a relay inside the ambient temperature control device, a hot air blower inside the ambient temperature control device, and a vacuum pump inside the ambient temperature control device.

[0006] According to the blade post-curing energy-saving system, the programmable control device is provided with a host computer interface at its upper end, which connects to a computer or microcontroller and a device that provides a user operation interface and displays feedback data to the user.

[0007] According to the blade post-curing energy-saving system, the wireless temperature sensor is distributed at the blade tip, blade root, and leading and trailing edge mold closing positions of the wind turbine blade raw material.

[0008] According to the blade post-curing energy-saving system, the input module includes a wireless receiving module.

[0009] According to the blade post-curing energy-saving system, the relay controls the hot air blower via an electrical signal, and the relay also controls the vacuum pump via an electrical signal.

[0010] According to the blade post-curing energy-saving system, the relay controls the heating device in the mold via an electrical signal.

[0011] According to the blade post-curing energy-saving system, the programmable control device can realize data acquisition, equipment control and alarm push.

[0012] According to the blade post-curing energy-saving system, the data from the wireless temperature sensor is transmitted to the wireless receiving module via the Lore low-power protocol, and the wireless receiving module communicates with the programmable controller via the RS protocol.

[0013] According to the blade post-curing energy-saving system, the relay controls the vacuum pump via an electrical signal.

[0014] According to the blade post-curing energy-saving system, the output module is equipped with a timing device, which controls the relay to start.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is an overall structural diagram of a blade post-curing energy-saving system according to the present invention;

[0018] Figure 2 This is an internal structural diagram of a blade post-curing energy-saving system according to the present invention;

[0019] Figure 3 This is a structural diagram of the environmental temperature control device for a blade post-curing energy-saving system according to the present invention.

[0020] Figure 4 This is a schematic diagram illustrating the energy-saving principle of a blade post-curing energy-saving system according to this utility model;

[0021] Figure 5-9 This is a wireless temperature communication program segment for a blade post-curing energy-saving system according to the present invention.

[0022] Figure 10 This is a data conversion program segment of a blade aftercuring energy-saving system according to the present invention;

[0023] Figure 11 This is a control output program segment of a blade aftercuring energy-saving system according to the present invention;

[0024] Figure 12 This is an alarm output program segment of a blade post-curing energy-saving system according to this utility model;

[0025] Legend: 1. Foundation; 2. Mold platform; 3. Mold; 4. Ambient temperature control device; 5. Programmable controller; 6. Input module; 7. Host computer interface; 8. Output module; 9. Wireless temperature sensor; 10. Wind turbine blade raw material; 11. Hot air blower; 12. Vacuum pump; 13. Relay. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] Reference Figure 1-12This utility model discloses a blade post-curing energy-saving system, which includes a foundation 1, a mold platform 2 at the upper end of the foundation 1, a mold 3 at the lower end of the mold platform 2, wind turbine blade raw material 10 placed inside the mold 3, a heating device inside the mold 3, a wireless temperature sensor 9 inside the mold 3, a programmable control device 5 on the upper surface of the foundation 1, an input module 6 on the left side surface of the programmable control device 5, an output module 8 on the right side surface of the programmable control device 5, an ambient temperature control device 4 at the front end of the mold 3, a relay 13 inside the ambient temperature control device 4, a hot air blower 11 inside the ambient temperature control device 4, a vacuum pump 12 inside the ambient temperature control device 4, and a host computer interface 7 at the upper end of the programmable control device 5.

[0028] The upper computer interface 7 connects to a computer or microcontroller, as well as a device that provides a user interface and displays feedback data to the user. Wireless temperature sensors 9 are distributed at the tip, root, and leading and trailing edge mold closing positions of the wind turbine blade raw material 10. The input module 6 includes a wireless receiving module. Data from the wireless temperature sensors 9 is transmitted to the wireless receiving module via the Lore low-power protocol. The wireless receiving module communicates with the programmable controller via the RS485 protocol. Relay 13 controls the hot air blower 11, the vacuum pump 12, and the heating device in the mold 3 via electrical signals. The programmable controller 5 can realize data acquisition, equipment control, and alarm push. The output module 8 has a timing device inside, which controls the relay 13 to start.

[0029] Working principle: The wind turbine blade raw material 10 is directly laid on the mold 3. A release layer is laid on top of the wind turbine blade raw material 10, and a high-permeability medium is laid on the release layer. Then, it is covered and sealed with a vacuum film. The vacuum pump 12 evacuates the air to a negative pressure state. The resin enters the entire system through the glue inlet pipe. After curing, the release cloth is peeled off. After curing, a programmable control device 5 realizes data acquisition, equipment control, and alarm push. This system requires the assembly of an industrial control computer, the addition of a wireless temperature acquisition sensor, and simple modification of the field equipment to add a distributed module control device main contactor. It mainly consists of three parts: input module 6, programmable control device 5, and output module 8.

[0030] The first step involves collecting data from the wireless temperature sensor 9 and the status of the mold 3 heating system via the distributed input module 6. The wireless temperature sensor 9 is deployed at specific locations on the wind turbine blade raw material 10, such as the blade tip, blade root, and leading and trailing edge mold seams. The data is transmitted to the wireless receiving module in the input module 6 via the LoRa low-power protocol. The wireless receiving module communicates with the programmable controller 5 via the RS485 protocol. The second step involves data processing, where the temperature of the mold 3 heating system and the distributed wireless temperature sensor 9 is controlled by a logic AND operation program to ensure that the temperature reaches the process requirements. The third step involves output control. Once the process requirements are met, the relay 13 is activated, cutting off the power to the mold 3 heating device, the blade root hot air blower 11, and the vacuum pump 12, and pushing out curing completion information.

[0031] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A vane post-cure energy saving system characterized by, The utility model relates to a kind of wind power blade material heating device, including: Foundation (1), the upper end of the foundation (1) is provided with mould table (2), the lower end of the mould table (2) is provided with mould (3), the inside of the mould (3) is placed with wind power blade material (10), the inside of the mould (3) is provided with heating device, the inside of the mould (3) is provided with wireless temperature sensor (9), the upper surface of the foundation (1) is provided with programmable control device (5), the left side surface of the programmable control device (5) is provided with input module (6), the right side surface of the programmable control device (5) is provided with output module (8), the front end of the mould (3) is provided with environmental temperature control device (4), the inside of the environmental temperature control device (4) is provided with relay (13), the inside of the environmental temperature control device (4) is provided with hot air machine (11), the inside of the environmental temperature control device (4) is provided with vacuum pump (12).

2. A post-curing energy saving system for a blade according to claim 1, characterized in that The upper end of the programmable control device (5) is provided with host computer interface (7), and the host computer interface (7) is connected with computer or single-chip microcomputer and the device generally providing user operation interactive interface and showing feedback data to user.

3. A post-curing energy saving system for a blade according to claim 1, characterized in that, The wireless temperature sensor (9) is distributed at the tip position, root position and front-back edge joint position of the wind power blade material (10).

4. A post-curing energy saving system for a blade according to claim 1, characterized in that, The input module (6) includes a wireless receiving module.

5. A post-curing energy saving system for a blade according to claim 1, wherein The relay (13) controls the hot air machine (11) through electric signal.

6. A post-curing energy saving system for a blade according to claim 1, characterized in that, The relay (13) controls the heating device in the mould (3) through electric signal.

7. A post-curing energy saving system for a blade according to claim 1, characterized in that, The programmable control device (5) can realize data acquisition, equipment control and alarm pushing.

8. A post-curing energy saving system for a blade according to claim 4, characterized in that, The data of the wireless temperature sensor (9) is transmitted to the wireless receiving module through lore low-power protocol, and the wireless receiving module communicates with the programmable controller through RS485 protocol.

9. A post-curing energy saving system for a blade according to claim 1, characterized in that, The relay (13) controls the vacuum pump (12) through electric signal.

10. A post-curing energy saving system for a blade according to claim 1, characterized in that, The inside of the output module (8) is provided with timing device, and the relay (13) is started by the timing device.

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