CN108844636A - A kind of long zoom thermal imaging scan device of laser positioning and its application - Google Patents

Abstract

The invention relates to a laser positioning long-zoom thermal imaging scanning device and its application, which is used to monitor the surface temperature of a dangerous chemical container, including a bracket, a thermal imaging module for obtaining infrared radiation energy, and a laser for locating abnormal temperature points An indication module, the upper end of the bracket is provided with an adjustment module for adjusting the position of the thermal imaging module, the thermal imaging module is installed on the upper part of the adjustment module, the laser indication module is arranged on the upper part of the thermal imaging module, and between the laser indication module and the thermal imaging module A fine-tuning module for adjusting the position of the laser pointer module is provided between them. Compared with the prior art, the device of the present invention scans and locates the hazardous chemical container yard, monitors and identifies containers with abnormal temperature changes in time, and can provide technical support and powerful for the safe storage and transportation of hazardous chemicals and accident prevention. Guarantee, more accurate monitoring of abnormal temperature changes of hazardous chemicals, and improve the storage management level of hazardous chemicals.

Description

A laser positioning long zoom thermal imaging scanning device and its application

technical field

The invention relates to a thermal imaging scanning device, in particular to a laser positioning long-zoom thermal imaging scanning device for identifying container surface temperature changes and its application.

Background technique

Chemicals are a special commodity. Its production and development have greatly improved the lives of modern people, but their inherent dangerous characteristics have also brought great threats to human beings. Their storage and transportation safety and emergency response to accidents have always been subject to international widespread concern in society. In recent years, the whole society has become aware of the potential risks and hazards in the storage and transportation of hazardous chemicals. At present, more and more hazardous chemicals imported and exported choose to be transported in containers. In ports, airports and other transportation hubs, there are usually special warehouses for dangerous chemicals, and various dangerous chemical containers are piled up in special warehouses. Source of risk. In order to prevent accidents, it is particularly important to strengthen the supervision and early warning of hazardous chemical containers.

The danger of hazardous chemicals mainly depends on their own physical and chemical properties and external environmental conditions. When they are affected by certain external conditions such as collision, friction, heat, fire or the mixing of incompatible substances and poor ventilation, etc., Accidents such as explosion and combustion may occur, and the precursor of these accidents is an abnormal increase in the temperature of the substance itself. Therefore, early detection of temperature changes on the surface of objects and containers, and timely adoption of early warning and preventive measures are effective means to prevent accidents.

At present, the supervision of abnormal surface temperature of containers in special warehouses for hazardous chemicals usually adopts the method of manual inspection. By equipped with handheld infrared thermal imaging cameras, the container yards are inspected one by one to observe whether there is any heating phenomenon in each container. The infrared thermal imager converts the invisible infrared energy emitted by the object into a visible thermal image. By viewing the thermal image, the overall temperature distribution of the measured target can be observed, and the abnormal heating of the target can be studied. However, manual inspections are used to monitor large warehouses/yards, and there are bound to be defects such as low work efficiency and negligence. Therefore, the development of a thermal imager that can scan and locate container yards, monitor and identify containers with abnormal temperature changes in time, can provide technical support and strong guarantee for the safe storage and transportation of hazardous chemicals and accident prevention.

Chinese patent CN203365364U discloses a laser asynchronous scanning thermal wave imaging system, which relates to a thermal wave imaging system using a scanning laser beam as a thermal excitation source, which is used for non-destructive testing of a measured object and belongs to the technical field of infrared non-destructive testing. Chinese patent CN203354530U discloses an infrared three-dimensional thermal imaging scanning device, which can realize comprehensive multi-angle three-dimensional scanning of the human body to be tested, and collect the temperature distribution of the human body surface, which belongs to the field of infrared thermal imaging used in medicine, and for hazardous chemicals For container transportation, the most important thing to monitor is the change of container surface temperature and the precise positioning of abnormal temperature points, so that managers can take actions to avoid major safety accidents, which requires the device to be able to operate in all directions and flexibly Scanning the container can also carry out synchronous and precise positioning, but the above-mentioned published patent does not specifically disclose the thermal imaging scanning of the hazardous chemical container yard, nor does it disclose the specific positioning technology.

Contents of the invention

The purpose of the present invention is to solve the above problems and provide a laser positioning long zoom thermal imaging scanning device and its application, which can scan dangerous chemical container yards, monitor containers with temperature rise, and laser positioning.

The object of the present invention is achieved through the following technical solutions:

A laser positioning long-zoom thermal imaging scanning device for monitoring the surface temperature of dangerous chemical containers, including a bracket, a thermal imaging module for obtaining infrared radiation energy of the measured target, and a laser for locating abnormal temperature points of the measured target An indication module, the upper end of the bracket is provided with an adjustment module for adjusting the position of the thermal imaging module, the thermal imaging module is installed on the upper part of the adjustment module, the laser indicator module is arranged on the upper part of the thermal imaging module, and A fine-tuning module for adjusting the position of the laser pointing module is arranged between the laser pointing module and the thermal imaging module.

Further, the bracket is a tripod.

Further, the thermal imaging module includes a thermal imager, a long zoom lens arranged at the front end of the thermal imager, and a display screen arranged at the rear end of the thermal imager.

Further, the laser pointer module includes a laser pointer.

Further, the upper part of the thermal imaging module is provided with a guide rail for fixing, and the fine-tuning module is arranged on the guide rail, and includes a direction fine-tuning knob for horizontal adjustment and a pitch fine-tuning knob for pitch adjustment.

Further, the adjustment module includes a turntable for horizontal adjustment and a pitch axis for pitch adjustment, the pitch axis is arranged on the upper part of the turntable, and the thermal imaging module is arranged on the upper part of the pitch axis.

Further, the turntable is provided with scales, which can be rotated horizontally by 360°.

An application of laser positioning long-zoom thermal imaging scanning device, which is used to monitor the surface temperature of dangerous chemical containers, scan dangerous chemical container yards, monitor containers with temperature rise changes, and perform laser positioning.

Specifically include the following steps:

(a) Locate the device so that it can scan container yards in hazardous chemical warehouses;

(b) Adjust the observation direction of the thermal imaging module, start from a certain position in the container yard, scan the container yard in partitions, sections or layers, observe in different directions, and obtain the infrared heat on the surface of the measured target object image;

(c) When there is an abnormal difference in the observed temperature, narrow the observation range for fine inspection, and lock the position of the observed highest temperature area, turn on the laser pointer module, so that the laser projected light spot is located at the position with the highest temperature in the area ;

(d) The projected light spot of the laser pointer can be found from the monitoring video of the container yard or warehouse, so as to identify the specific location of the heated container and take follow-up work.

Compared with the prior art, the device of the present invention can scan and locate hazardous chemical container yards, monitor and identify containers with abnormal temperature changes in time, and provide technical support and support for safe storage and transportation of hazardous chemicals and accident prevention. Strong guarantee. Compared with the existing manual inspection method, the device can more accurately monitor the abnormal temperature point of the dangerous chemical container, and improve the storage management level of the dangerous chemical.

Description of drawings

Fig. 1 is the structural representation of device of the present invention;

In the figure: 1-laser pointer, 2-thermal imager, 3-long zoom lens, 4-pitch axis, 5-turntable, 6-tripod, 7-pitch fine-tuning knob, 8-direction fine-tuning knob, 9-rail , 10-display screen.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Figure 1, a laser positioning long-zoom thermal imaging scanning device is used to monitor the surface temperature of dangerous chemical containers, including a tripod 6, a thermal imaging module for obtaining the infrared radiation energy of the measured target, and a thermal imaging module for positioning The laser indicating module of the abnormal temperature point of the measured target, the upper end of the tripod 6 is provided with an adjusting module for adjusting the position of the thermal imaging module, the thermal imaging module is installed on the upper part of the adjusting module, the laser indicating module is arranged on the upper part of the thermal imaging module, and A fine-tuning module for adjusting the position of the laser pointing module is arranged between the laser pointing module and the thermal imaging module. Wherein, the thermal imaging module includes a thermal imager 2, a long zoom lens 3 arranged at the front end of the thermal imager 2, and a display screen 10 arranged at the rear end of the thermal imager 2, the laser pointing module includes a laser pointer 1, and the upper part of the thermal imaging module There is a guide rail 9 for fixing, and the fine-tuning module is arranged on the guide rail 9, including a direction fine-tuning knob 8 for horizontal adjustment and a pitch fine-tuning knob 7 for pitch adjustment, and the adjustment module includes a turntable 5 for horizontal adjustment and a dial for horizontal adjustment. Pitch axis 4 for pitch adjustment, the pitch axis 4 is arranged on the upper part of the turntable 5, the thermal imaging module is arranged on the upper part of the pitch axis 4, the turntable 5 is provided with a scale, and can perform 360° horizontal rotation.

Each component in this device is described in detail below:

Thermal imager: Receive the infrared radiation energy of the target to obtain the infrared thermal image, so that the overall temperature distribution of the target can be observed.

Display screen: A screen for viewing thermal images, where different color areas in the image represent different temperature distributions of the measured object.

Long zoom lens: A lens that receives and converges the infrared radiation emitted by the measured object. The long zoom lens can change the focal length within a certain range and obtain different wide and narrow field of view angles.

Laser Pointer: A device capable of emitting a laser, located above a thermal imager, to project a point of light towards an object.

Guide rail: located on the top of the thermal imager, used to fix the laser pointer.

Turntable: used for horizontal rotation to adjust the viewing direction of the thermal imager.

Pitch axis: used to vertically rotate and adjust the viewing direction of the thermal imager.

Direction fine-tuning knob: used to horizontally fine-tune the direction of the laser emitted by the laser pointer.

Pitch fine-tuning knob: used to vertically fine-tune the direction of the laser emitted by the laser pointer.

Tripod: A stand used to support a thermal imaging scanning device.

For specific use, the operation steps are as follows:

1. Place the tripod at a position where it can scan the container yard in the warehouse;

2. Adjust the horizontal and vertical viewing directions of the thermal imager so that the thermal imager lens can start scanning from a certain position in the container yard;

3. Adjust the long zoom lens to a shorter focal length in order to obtain a larger imaging observation field;

4. Turn on the thermal imager, adjust the scale dial and the position of the pitch axis, so that the instrument can scan the container yard in partitions, sections or layers, and can observe in different horizontal and vertical directions; the display screen shows the observed Thermal image, different color areas in the image represent different temperature zones on the surface of the observed object.

5. When there is an abnormal difference in the observed temperature, lengthen the focal length of the long zoom lens, narrow the observation range for fine inspection, and lock the position of the observed highest temperature area, so that the target can be clearly and accurately located.

6. Turn on the laser pointer and project a light spot pointing to the observed object.

7. Manually adjust the direction fine-tuning knob and pitch fine-tuning knob, so that the laser projected light spot observed on the display is located at the position with the highest temperature in the area;

8. From the monitoring video of the container yard or warehouse, the projected light spot of the laser pointer can be found, so as to identify the specific location of the heating container.

The device is easy to operate and has high work efficiency. It can scan and identify containers with abnormal temperature changes in the container yard, and can complete laser identification and positioning. Compared with the existing method of manual inspection, this device can monitor dangerous chemicals more accurately. The abnormal temperature point of the product can be improved, and the storage management level of hazardous chemicals can be improved.

Claims (9)

1. a kind of long zoom thermal imaging scan device of laser positioning, for monitoring the surface temperature of hazardous chemical container, It is characterized in that, thermal imaging module including bracket, for obtaining measured target infrared energy and for positioning tested mesh The laser designation module of abnormal temperature point is marked, the pedestal upper end is equipped with the adjustment module for adjusting thermal imaging module position, The thermal imaging module is mounted on the top of the adjustment module, and the thermal imaging module is arranged in the laser designation module Top, and the fine tuning module for adjusting laser designation module position is set between laser designation module and thermal imaging module.

2. the long zoom thermal imaging scan device of a kind of laser positioning according to claim 1, which is characterized in that the branch Frame is tripod (6).

3. the long zoom thermal imaging scan device of a kind of laser positioning according to claim 1, which is characterized in that it is described heat at After including thermal imaging system (2), the long zoom lens (3) for being set to thermal imaging system (2) front end and be set to thermal imaging system (2) as module The display screen (10) at end.

4. the long zoom thermal imaging scan device of a kind of laser positioning according to claim 1, which is characterized in that the laser Indicating module includes laser designator (1).

5. the long zoom thermal imaging scan device of a kind of laser positioning according to claim 4, which is characterized in that it is described heat at As the top of module is equipped with guide rail for fixing (9), the fine tuning module is set on the guide rail (9), including for horizontal The directional trim knob (8) of adjusting and pitching vernier knob (7) for pitch regulation.

6. the long zoom thermal imaging scan device of a kind of laser positioning according to claim 1, which is characterized in that the adjusting Module includes the turntable (5) for Level tune and the pitch axis (4) for pitch regulation, and pitch axis (4) setting exists Turntable (5) top, the thermal imaging module are set to the top of pitch axis (4).

7. the long zoom thermal imaging scan device of a kind of laser positioning according to claim 6, which is characterized in that the turntable (5) it is equipped with scale, 360 ° can be carried out and horizontally rotated.

8. such as a kind of described in any item applications of the long zoom thermal imaging scan device of laser positioning of claim 1-7, feature It is, which is used to monitor the surface temperature of hazardous chemical container, hazardous chemical Container Yard is scanned, Monitoring has the container of warming, and carries out laser positioning.

9. a kind of application of the long zoom thermal imaging scan device of laser positioning according to claim 8, which is characterized in that tool Body includes the following steps：

(a) device is placed in the position that can be scanned to Container Yard in hazardous chemical warehouse；

(b) direction of observation for adjusting thermal imaging module, since a certain position of Container Yard, subregion, segmentation or layering pair Container Yard is scanned, and is observed in different directions, and the Infrared Thermogram of measured target body surface is obtained；

(c) it when the temperature observed has anomalous variance, reduces range of observation and is finely detected, and lock and be observed most Position where high-temperature region opens laser designation module, is located at laser projection luminous point on the highest position of regional temperature；

(d) the projection luminous point that laser designator can be found from Container Yard scene or warehouse monitor video, to pick out The specific location of fever container, and take follow-up work.