阅读说明：本技术 一种用于金属板材热疲劳性能的快速检测装置 (Rapid detection device for thermal fatigue performance of metal plate ) 是由 陈正国 杨小东 褚霞 赵宁 李罗根 于 2021-08-27 设计创作，主要内容包括：本发明涉及一种用于金属板材热疲劳性能的快速检测装置,属于板材测试装置领域,其所述装置包括工装模块、力传感器、温度传感器、控制模块以及供电设备；所述供电设备与所述工装模块以及所述控制模块电性连接；所述工装模块包括检测台面,所述力传感器和温度传感器设置于检测台面上,所述力传感器和所述温度传感器与所述控制模块通信连接；当所述工装模块处于检测状态时,待测样件位于所述检测台面上方,所述力传感器以及所述温度传感器分别与所述待测样件接触。本发明使用待测样件为V型等截面结构,通电加热时具有温度均匀、升温迅速的优点。本发明采样模块化设计方案,将控制部分与工装部分分开,结构简单。(The invention relates to a quick detection device for the thermal fatigue performance of a metal plate, belonging to the field of plate testing devices, wherein the device comprises a tool module, a force sensor, a temperature sensor, a control module and power supply equipment; the power supply equipment is electrically connected with the tool module and the control module; the tool module comprises a detection table board, the force sensor and the temperature sensor are arranged on the detection table board, and the force sensor and the temperature sensor are in communication connection with the control module; when the tool module is in a detection state, a sample piece to be detected is located above the detection table board, and the force sensor and the temperature sensor are respectively in contact with the sample piece to be detected. The invention uses the sample piece to be measured as a V-shaped uniform cross-section structure, and has the advantages of uniform temperature and rapid temperature rise when the sample piece is electrified and heated. The invention adopts a modular design scheme, separates the control part from the tool part and has simple structure.)

1. The device for rapidly detecting the thermal fatigue performance of the metal plate is characterized by comprising a tool module (11), a force sensor (15), a temperature sensor (22), a processor and power supply equipment; the power supply equipment is electrically connected with the tool module (11) and the control processor;

the tool module (11) comprises a detection table board (13), the force sensor (15) and the temperature sensor (22) are arranged on the detection table board (13) and are in contact with a sample piece (19) to be detected, and the force sensor (15) and the temperature sensor (22) are in communication connection with the processor;

the processor is used for receiving and processing the measured data of the force sensor (15) and the temperature sensor (22).

2. The rapid detection device for the thermal fatigue performance of the metal sheet as claimed in claim 1, wherein the processor comprises a PLC (6), an operating condition display (7), a voltage regulating module (2), a rectifier (3), a transformer (4) and an air switch (1) connected with a power supply device, the PLC (6) controls the voltage regulating module (2), the operating condition display (7) and receives and processes data fed back by the force sensor (15) and the temperature sensor (22), the rectifier (3) and the transformer (4) are arranged between the tooling module (11) and the voltage regulating module (2), a cooling system (8) is arranged between the tooling module (11) and the air switch (1), and the tooling module (11) and the cooling system are connected through a cooling loop (10); the PLC (6) is in communication connection with the force sensor (15) and the temperature sensor (22).

3. The device for the rapid detection of the thermal fatigue behavior of metal sheets according to claim 2, characterized in that said cooling system (8) is connected to the tooling module (11) through a cooling circuit (10).

4. The rapid detection device for the thermal fatigue performance of the metal sheet as claimed in claim 2, wherein a 24V transformer (5) is arranged between the PLC (6) and the air switch (1), and an air cooling system (9) is arranged on the 24V transformer (5).

5. The rapid detection device for the thermal fatigue performance of the metal sheet as claimed in claim 1, characterized in that the tool module (11) also comprises a sensor fixing column (14), a guide rail (16), a temperature adjusting pipeline, a pressing block (20), an electrode (21) and a fixed mounting block (25), the sensor fixing column (14), the guide rail (16) and the fixed mounting block (25) are sequentially fixed on the working table surface (13), the guide rail (16) is provided with a sliding table mounting block (17), a force sensor (15) is arranged between the sliding table mounting block (17) and the sensor fixing column (14), the sample piece (19) to be tested is fixed between the sliding table mounting block (17) and the fixed mounting block (23) in an erecting mode, two sides of a sample piece (19) to be detected are respectively provided with a pressing block (20), and the two pressing blocks (20) are respectively provided with an electrode (21); the temperature adjusting pipeline is arranged between the sliding table mounting block (17) and the fixed mounting block (23), and the temperature adjusting pipeline is connected with a cooling system (8) in the control module.

6. The rapid detection device for the thermal fatigue performance of the metal plate as claimed in claim 5, wherein the temperature adjusting pipeline comprises a water inlet pipe (18), a water outlet pipe (24) and a connecting water conduit (25), the water inlet pipe (18) is arranged on the sliding table mounting block (17), the water outlet pipe (24) is arranged on the fixed mounting block (23), and the connecting water conduit (25) is connected between the water inlet pipe (18) and the water outlet pipe (24).

7. The rapid detection device for the thermal fatigue performance of the metal sheet as claimed in claim 5, wherein the inside of the sliding table mounting block (17) and the fixed mounting block (23) are provided with cooling grooves, and the water inlet pipe (18) and the water outlet pipe (24) are respectively arranged in the cooling grooves.

8. The rapid detection device for the thermal fatigue performance of metal sheets according to claim 5, characterized in that the bottom of said worktable (13) is provided with a plurality of worktable supports (12).

Technical Field

The invention relates to a quick detection device for the thermal fatigue performance of a metal plate, and belongs to the field of plate testing devices.

Background

In many high temperature applications, the thermal fatigue failure mode of sheet metal often occurs. How to optimize and improve the thermal fatigue property of metal materials becomes a great technical problem in the industry.

At present, devices for detecting the thermal fatigue performance of metal materials in the market mainly comprise a resistance heating furnace, induction heating, infrared heating, burner heating and the like, but have some problems more or less. For example, the resistance furnace is used for heating, the temperature control time is long, the experiment period is long, and the experiment cost is high; induction heating, wherein the heating area is uneven, and the effect on non-magnetic or weakly magnetic metal materials is not obvious; infrared heating has the defects of uneven temperature of inner and outer materials and bottleneck limitation of high temperature.

Therefore, for some defects of the existing thermal fatigue detection device, it is necessary to develop a device suitable for detecting the thermal fatigue of the metal plate, which needs to have the technical advantages of fast temperature rise, uniform heating, high reliability, etc. for the metal plate.

Disclosure of Invention

The invention aims to overcome the defects and provides the quick detection device for the thermal fatigue performance of the metal plate, and the quick detection device has the advantages of quick temperature rise, uniform heating and strong practicability.

According to the technical scheme provided by the invention, the device for rapidly detecting the thermal fatigue performance of the metal plate comprises a tool module, a force sensor, a temperature sensor, a control module and power supply equipment; the power supply equipment is electrically connected with the tool module and the control module;

the tool module comprises a detection table board, the force sensor and the temperature sensor are arranged on the detection table board and are in contact with a sample piece to be detected, and the force sensor and the temperature sensor are in communication connection with the processor;

the processor is used for receiving and processing the measured data of the force sensor and the temperature sensor.

As a further improvement of the invention, the control module comprises a PLC, a working condition display, a voltage regulating module, a rectifier, a transformer and an air switch connected with a power supply device, the PLC controls the voltage regulating module, the working condition display and receives and processes data fed back by the force sensor and the temperature sensor, the rectifier and the transformer are arranged between the tool module and the voltage regulating module, a cooling system is arranged between the tool module and the air switch, and the tool module and the cooling system are connected through a cooling loop; and the PLC is in communication connection with the force sensor and the temperature sensor.

As a further improvement of the invention, the cooling system is connected with the tool module through a cooling circuit.

As a further improvement of the invention, a 24V transformer is arranged between the PLC and the air switch, and an air cooling system is arranged on the 24V transformer.

The tool module further comprises a sensor fixing column, a guide rail, a temperature regulating pipeline, a pressing block, an electrode and a fixed mounting block, wherein the sensor fixing column, the guide rail and the fixed mounting block are sequentially fixed on the working table surface; the temperature adjusting pipeline is arranged between the sliding table mounting block and the fixed mounting block and is connected with a cooling system in the control module.

As a further improvement of the invention, the temperature adjusting pipeline comprises a water inlet pipe, a water outlet pipe and a connecting water guide pipe, the water inlet pipe is arranged on the sliding table mounting block, the water outlet pipe is arranged on the fixed mounting block, and the connecting water guide pipe is connected between the water inlet pipe and the water outlet pipe.

As a further improvement of the invention, cooling grooves are arranged inside the sliding table mounting block and the fixed mounting block, and the water inlet pipe and the water outlet pipe are respectively arranged in the cooling grooves.

As a further improvement of the invention, the bottom of the working table top is provided with a plurality of working table supports. The invention has the beneficial effects that:

the invention uses the sample piece to be measured as a V-shaped uniform cross-section structure, and has the advantages of uniform temperature and rapid temperature rise when the sample piece is electrified and heated; meanwhile, the modular design scheme is adopted, the control part and the tool part are separated, the structure is simple, and the reliability is high.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present invention.

FIG. 2 is a front view of a tooling module of the present invention.

Fig. 3 is a top view of the tooling module of the present invention.

Description of reference numerals: the device comprises an air switch 1, a pressure regulating module 2, a rectifier 3, a transformer 4, a transformer 5-24V, a PLC6, a working condition display 7, a cooling system 8, an air cooling system 9, a cooling loop 10, a tooling module 11, a workbench bracket 12, a workbench surface 13, a sensor fixing column 14, a force sensor 15, a guide rail 16, a sliding table mounting block 17, a water inlet pipe 18, a sample piece 19 to be detected, a pressing block 20, an electrode 21, a temperature sensor 22, a fixed mounting block 23, a water outlet pipe 24 and a water guide pipe 25.

Detailed Description

The invention will be further described with reference to examples in the drawings to which:

as shown in fig. 1, a rapid detection device for the thermal fatigue performance of a metal plate is characterized in that the device comprises a tool module 11, a force sensor 15, a temperature sensor 22, a control module and a power supply device; the power supply equipment is electrically connected with the tool module 11 and the control module;

the tool module 11 comprises a detection table board 13, a force sensor 15 and a temperature sensor 22 are arranged on the detection table board 13 and are in contact with a sample piece 19 to be detected, and the force sensor 15 and the temperature sensor (22) are in communication connection with a processor;

the processor is used for receiving and processing the measured data of the force sensor 15 and the temperature sensor 22.

The control module comprises a PLC6, a working condition display 7, a voltage regulating module 2, a rectifier 3, a transformer 4 and an air switch 1 connected with a power supply device, the PLC6 controls the voltage regulating module 2 and the working condition display 7 and receives and processes data fed back by a force sensor 15 and a temperature sensor 22, the rectifier 3 and the transformer 4 are arranged between the tool module 11 and the voltage regulating module 2, a cooling system 8 is arranged between the tool module 11 and the air switch 1, and the tool module 11 and the cooling system are connected through a cooling loop 10; the PLC6 is communicatively coupled to the force sensor 15 and the temperature sensor 22.

The cooling system 8 is connected to a tool module 11 via a cooling circuit 10.

A 24V transformer 5 is arranged between the PLC6 and the air switch 1, an air cooling system 9 is arranged on the 24V transformer 5, the 24V transformer 5 is used for supplying power for a control system of the device, and the device comprises a PLC6 and the air cooling system 9; the 9 air cooling system mainly cools the components such as the PLC6 and the transformer 4 to maintain a normal operating environment temperature.

The air switch 1 is connected with industrial electricity, is 380V three-phase alternating current and provides power input for a system.

The voltage regulating module 2 is used for regulating and controlling the introduced voltage of the air switch 1, and the voltage regulating strategy is controlled by a PLC 6;

the rectifier 3 is used for rectifying and controlling the input current of the transformer 4;

the output voltage of the transformer 4 is 5-10V and is used for heating and supplying power for the rear-stage tool module 11.

The working condition display 7 is used for displaying the operating parameters of the device, and mainly comprises signals such as current, voltage, temperature, force and the like;

the tool module 11 further comprises a sensor fixing column 14, a guide rail 16, a temperature regulating pipeline, a pressing block 20, an electrode 21 and a fixed mounting block 25, the sensor fixing column 14, the guide rail 16 and the fixed mounting block 25 are sequentially fixed on the working table surface 13, a sliding table mounting block 17 is arranged on the guide rail 16, a force sensor 15 is arranged between the sliding table mounting block 17 and the sensor fixing column 14, a sample piece 19 to be measured is fixed between the sliding table mounting block 17 and the fixed mounting block 23 in an erecting mode, the pressing blocks 20 are respectively arranged on two sides of the sample piece 19 to be measured, and the electrodes 21 are respectively arranged on the two pressing blocks 20; the temperature adjusting pipeline is arranged between the sliding table mounting block 17 and the fixed mounting block 23, the temperature adjusting pipeline is connected with the cooling system 8 in the control module, and the electrode 21 is connected with the pressing block 20 and used for electrifying and heating the sample piece 19 to be measured, as shown in fig. 2 and 3.

The temperature adjusting pipeline comprises a water inlet pipe 18, a water outlet pipe 24 and a connecting water guide pipe 25, wherein the water inlet pipe 18 is arranged on the sliding table mounting block 17, the water outlet pipe 24 is arranged on the fixed mounting block 23, and the connecting water guide pipe 25 is connected between the water inlet pipe 18 and the water outlet pipe 24.

Cooling grooves are formed in the sliding table mounting block 17 and the fixed mounting block 23, and the water inlet pipe 18 and the water outlet pipe 24 are respectively arranged in the cooling grooves.

The bottom of the working table surface 13 is provided with a plurality of working table supports 12, a temperature sensor 22 and a force sensor 15, which are used for implementing the temperature and stress of the sample piece 19 to be measured and transmitting the temperature and stress to the PLC6 and the working condition display 7, and the temperature sensor 22 is fixed on the surface of the sample piece 19 to be measured.

The invention uses the sample piece to be measured as a V-shaped uniform cross-section structure, and has the advantages of uniform temperature and rapid temperature rise when the sample piece is electrified and heated. The invention adopts a modular design scheme, separates the control part from the tool part and has simple structure.

The working process of the invention is as follows:

firstly, fixing a sample piece 19 to be tested on a sliding table mounting block 17 and a fixed mounting block 23, and fixedly mounting the sample piece by using a pressing block 20;

secondly, the cooling system 8 is opened, and the sliding table mounting block 17 and the fixed mounting block 23 are cooled through the cooling loop 10; the 24V transformer 5 supplies power to the air cooling system 9 and cools the rectification control part;

thirdly, inputting parameters through the working condition display 7, processing signals through the PLC6, controlling the voltage regulating module 2 to regulate the voltage of the main working loop, and stabilizing the input current through the rectifier 3;

fourthly, the current of the main loop passes through the transformer 4, the output voltage is reduced, the output current is increased, and the electrode 21 is used for supplying power and heating to the sample piece 19 to be detected;

and fifthly, monitoring the temperature of the sample piece 19 to be measured in real time through the temperature sensor 22, transmitting the temperature to the PLC6 for temperature closed-loop control, and transmitting the temperature to the working condition display 7 for real-time display.