CN-224202651-U - Heat seal detection device structure based on thermal infrared

Abstract

The utility model relates to packaging detection and discloses a heat-seal detection device structure based on thermal infrared, which comprises an infrared temperature measurement module, a data processing module, a signal processing module and a modularized assembly shell, wherein sealing areas of packaging bags with different sizes are adapted through a sliding rail structure and an adjustable mounting mechanism. The utility model adopts a non-contact infrared temperature measurement technology to collect sealing temperature data in real time, the shell design supports modularized installation and quick maintenance, the measuring area range is dynamically adjusted through a sliding rail structure or a universal clamp, the detection adaptability is improved, the problems of low efficiency and high cost of the traditional detection method are solved, and the utility model is suitable for various heat sealing packaging production lines in the industries of food, medicine and the like.

Inventors

• YU HONGJIANG
• WANG FANG

Assignees

• 重庆桥头食品有限公司

Dates

Publication Date

20260505

Application Date

20250508

Claims (4)

1. 1. Heat seal detection device structure based on thermal infrared, including, its characterized in that includes: the infrared temperature measuring module is used for measuring the temperature of the sealing area of the packaging bag in a non-contact mode and outputting analog quantity signals; the data processing module is connected with the infrared temperature measuring module and used for receiving and processing the temperature signals; The signal processing module is used for receiving the beat signal of the production line, synchronously triggering temperature acquisition and outputting an alarm signal; The upper shell and the lower shell are connected through a sliding rail structure, clamping grooves are formed in the upper shell and the lower shell to fix the modules, the bottom of the shell is connected with a production line bracket through bolts, and a telescopic rod is arranged to adjust the measuring distance.
2. 2. The thermal infrared-based heat seal detection device structure according to claim 1, wherein: The sliding rail structure comprises at least two guide rails, the upper shell and the lower shell are driven by hand or electric power to move relatively, and the coverage range of a measurement area is adjusted; The telescopic rod is a lockable metal rod, and the distance between the infrared temperature measuring module and the sealing area (60-600 mm) is adjusted through a threaded knob.
3. 3. The thermal infrared-based heat seal detection device structure according to claim 1, wherein: The data processing module and the signal processing module are integrated on the same PCB main board, and the main board is connected with the infrared temperature measuring module through an interface; And a WLAN/4G antenna interface is reserved on the side surface of the shell, and an LED indicator lamp and a reset button are arranged on the top of the shell.
4. 4. The structure of the heat-infrared-based heat seal detection device is characterized in that detection equipment is fixed, temperature change of a line or a surface is obtained by means of movement of the equipment, and a spatially distributed temperature sequence is generated by means of a rotary/linear movement track of a turntable of a packaging machine and a temperature measurement signal.

Description

Heat seal detection device structure based on thermal infrared Technical Field The utility model relates to the technical field of package detection, in particular to a heat seal detection device structure based on thermal infrared. Background The heat seal detection device is a device for detecting the sealing performance of heat seal products, and is generally used in the production process of foods, medicines and other products needing seal protection so as to ensure the reliability of sealing and the safety of the products, can ensure the sealing performance of the food packages, prevent oxygen and moisture from entering the food packages, prolong the shelf life, can detect the sealing performance of the medicine packages in the medicine industry, ensure the safety and the effectiveness of the medicines, and can detect the dampproof and dustproof performance of the electronic product packages in the electronic products. The traditional heat seal detection method has the following problems that 1, the manual visual inspection efficiency is low, the seal integrity is judged manually, the seal is easy to leak and cannot be fed back in real time, 2, the mechanical pressure test is high in destructiveness, the packaging bag is possibly damaged, 3, the image processing scheme is complex, the line scanning infrared camera needs high calculation force support, and the cost is high. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a heat seal detection device structure based on thermal infrared. In order to achieve the above purpose, the present utility model adopts the following technical scheme: Thermal infrared-based heat seal detection device structure includes: the infrared temperature measuring module is used for measuring the temperature of the sealing area of the packaging bag in a non-contact mode and outputting analog quantity signals; The data processing module is connected with the infrared temperature measuring module, integrally or separately receives and processes the temperature signals, adopts an infrared sensor, has response time less than or equal to 15ms, and has measurement precision of +/-0.5 ℃, and an AD converter and a microcontroller are arranged in the data processing module to convert the analog signals into digital temperature values; the signal processing module is used for receiving the beat signal of the production line, synchronously triggering temperature acquisition and outputting an alarm signal, and synchronously synchronizing with the PLC of the production line, and triggering a red light alarm and a stop signal when detecting that the temperature is abnormal; The upper and lower shells are connected through a sliding rail structure, clamping grooves are arranged in the upper and lower shells to fix the modules, the bottom of the shell is connected with a production line bracket through bolts and is provided with a telescopic rod to adjust the measuring distance, the upper and lower shells are positioned and connected through the sliding rail structure and are arranged on a bracket capable of moving up and down, left and right and back and forth, and the adjusting range covers the sealing width of 5-75 mm. The sliding rail structure comprises at least two guide rails, the upper shell and the lower shell are driven by manual or electric drive to move relatively, the coverage range of a measurement area is adjusted, the sliding rail structure allows a machine to slide relatively, the coverage area of an infrared temperature measurement module is changed, and the sliding rail structure is accurately adjusted through a graduated scale and is adapted to packaging bags with different sizes; The telescopic rod is a lockable metal rod, and the distance between the infrared temperature measuring module and the sealing area (60-600 mm) is adjusted through a threaded knob. The data processing module and the signal processing module are integrated on the same PCB main board, the main board is connected with the infrared temperature measuring module through an interface, and the infrared temperature measuring module is connected with the main board through a shielding cable, so that electromagnetic interference is reduced; And a WLAN/4G antenna interface is reserved on the side surface of the shell, and an LED indicator lamp and a reset button are arranged on the top of the shell. The beneficial effects of the utility model are as follows: 1. the detection efficiency is improved, the single detection time is less than or equal to 0.5 seconds, and the production line speed is supported to be more than or equal to 40 bags/min. 2. The cost is reduced, and the hardware cost is only 1/3 of that of the traditional image scheme. 3. The adaptability is enhanced, and the adjustable design is compatible with more than 90% of common packaging specifications. Drawings FIG. 1 is a schematic diagram showing the structure of a device housing, an infr