CN219223952U - Thermal imaging equipment with distance measurement function - Google Patents

Abstract

The utility model relates to the technical field of building disease area measuring equipment, in particular to a thermal imaging device with a distance measuring function. The thermal imaging device includes a tripod, a plurality of self-locking rollers, an adjustment component and a thermal imaging component. The bottom end of the tripod is correspondingly provided with self-locking rollers; the adjustment assembly is arranged on the top of the tripod; the thermal imaging assembly is arranged on the top of the adjustment assembly; the distance measuring unit is arranged in the thermal imaging assembly; the adjustment assembly can adjust the thermal imaging assembly in the vertical direction on the distance relative to the tripod. The utility model combines the thermal imaging component and the distance measuring unit as a whole machine, and can output infrared thermal imaging diagrams with size measurement data, so that inspection personnel can efficiently realize building disease detection and disease area measurement. The adjustment component cooperates with the ranging unit to achieve fixed distance and fixed point movement. The adjustment process is simple and fast, and the measurement efficiency is high, which meets the measurement requirements for complete building structures or thermal imaging pictures of building facades.

Description

A thermal imaging device with distance measuring function

technical field

The utility model relates to the technical field of building disease area measuring equipment, in particular to a thermal imaging equipment with a distance measuring function.

Background technique

The working principle of the infrared thermal imager is to use the infrared detector, optical imaging objective lens and optical-mechanical scanning system to receive the infrared radiation energy distribution map of the measured target and reflect it on the photosensitive element of the infrared detector, so as to obtain the infrared thermal imaging map. When the infrared thermal imager is applied to the detection of building damp diseases, due to its single structure and function, it can only output thermal imaging pictures, and cannot measure the area of building disease. Calibration steps are more cumbersome.

Secondly, due to the limitation of the detection accuracy of the infrared thermal imager, when inspecting the building structure, the infrared thermal imager can only perform high-precision detection of the building part, and the inspectors need to frequently move the infrared thermal imager for detection, and the multiple The thermal imager images are synthesized to obtain a complete infrared thermal imaging image of the building structure or building facade. However, most of the existing infrared thermal imagers are machine models, which are large in size, difficult to carry manually, and need to be recalibrated and adjusted after transportation; if a portable handheld infrared thermal imager is used, the measurement accuracy cannot be guaranteed.

Utility model content

(1) Technical problems to be solved

In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a thermal imaging device with a distance-measuring function, which solves the technical problem that the existing infrared thermal imager is relatively cumbersome to operate when measuring the area of a building disease.

(2) Technical solution

In order to achieve the above object, the thermal imaging device with ranging function of the present invention includes:

tripod;

A plurality of self-locking rollers, the bottom end of the tripod is correspondingly provided with the self-locking rollers;

an adjustment component, the adjustment component is arranged on the top of the tripod;

A thermal imaging assembly, the thermal imaging assembly is arranged on the top of the adjustment assembly; a distance measuring unit is arranged inside the thermal imaging assembly; the adjustment assembly can adjust the vertical direction of the thermal imaging assembly relative to the tripod distance.

Optionally, the adjustment assembly includes a sleeve, an adjustment rod and a positioning piece;

The sleeve is arranged on the top of the tripod, the adjusting rod is arranged on the bottom of the thermal imaging assembly, and the adjusting rod is slidably connected with the sleeve;

The positioning member passes through the sleeve to limit the adjustment rod in the height direction.

Optionally, the sleeve is provided with a plurality of first positioning holes in an array, and the positioning member is inserted into the first positioning holes.

Optionally, a second positioning hole is provided on the adjusting rod, and the second positioning hole has the same diameter as the first positioning hole; the positioning member can be inserted through the first positioning hole and the first positioning hole at the same time. Two positioning holes.

Optionally, the bottom end of the adjustment rod is provided with a groove, and the groove can be in surface contact with the positioning member.

Optionally, a slide block is provided on the adjusting rod, a slide groove is provided on the sleeve, and the slide block can slide in the slide groove.

Optionally, the positioning member can be a bolt or a pin.

Optionally, the self-locking rollers include self-locking parts and rollers;

The self-locking part is connected with the tripod;

The roller is rotatably connected with the self-locking piece.

Optionally, the thermal imaging assembly includes a housing, a display screen, a zoom ring, and a thermal imaging lens arranged on the housing;

The housing is mounted on the adjustment assembly;

The zoom ring and the thermal imaging lens are arranged on the same side of the casing, and the display screen is arranged on the other side of the casing.

Optionally, the housing is provided with a first infrared laser window and a second infrared laser window; the first infrared laser window faces the surface to be measured, and the second infrared laser window faces a reference perpendicular to the surface to be measured noodle;

Both the first infrared laser window and the second infrared laser window are provided with the distance measuring unit.

(3) Beneficial effects

The beneficial effect of the utility model is that: a distance measuring unit is arranged in the thermal imaging component, and the distance measuring unit can calibrate the thermal imaging picture, even if the thermal imaging picture has measurement data, which facilitates subsequent calculation of the building disease area. The ranging unit can also feedback the horizontal movement distance of the thermal imaging component to ensure the fixed distance and fixed-point movement of the thermal imaging component, and finally can ensure that the thermal imaging pictures taken after multiple movements are all high-precision pictures, and multiple high-precision By splicing and synthesizing the pictures, a complete thermal imaging picture of the building structure or building facade can be obtained. The utility model combines the thermal imaging component and the distance measuring unit as a whole machine, and can output infrared thermal imaging diagrams with size measurement data, so that inspection personnel can efficiently realize building disease detection and disease area measurement.

The adjusting component is arranged on the top of the tripod, and can adjust the distance of the thermal imaging component relative to the tripod in the vertical direction. The setting of the adjustment component enables the thermal imaging component to move in the height direction. The tripod and multiple self-locking rollers enable the thermal imaging component to move in the horizontal direction. With the distance measuring unit, the fixed distance and fixed point movement can be realized. The adjustment process is simple and convenient. It is fast and has high measurement efficiency, meeting the measurement requirements for thermal imaging pictures of complete building structures or building facades.

Description of drawings

Fig. 1 is the structural representation of the thermal imaging device with distance measuring function of the present utility model;

Fig. 2 is the schematic diagram of the back of the thermal imaging device with ranging function of the present invention;

Fig. 3 is a structural schematic diagram of the adjustment assembly of the present invention;

Fig. 4 is a schematic structural view of an adjusting rod of the present invention in an embodiment.

[Description of Reference Signs]

1: Shell; 2: Thermal imaging picture display; 3: Main menu function display;

4: the first infrared laser window; 41: the second infrared laser window;

5: Multi-function switch; 6: Power switch;

7: Adjusting component; 71: Sleeve; 711: First positioning hole; 712: Slide groove; 72: Adjusting rod; 721: Second positioning hole; 722: Groove; 723: Slider; 73: Positioning piece;

8: Connecting piece; 9: Tripod; 10: Self-locking piece; 11: Roller; 12: Articulating shaft; 13: Zoom ring; 14: Thermal imaging lens; 15: Power interface.

Detailed ways

In order to better explain the utility model and facilitate understanding, the utility model will be described in detail below through specific implementation modes in conjunction with the accompanying drawings.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiment of the utility model are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

In addition, in the present application, descriptions such as "first", "second" and so on are used for description purposes only, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, the terms "connection" and "fixation" should be understood in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integration; "Connection" can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined . Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Referring to Fig. 1 and Fig. 2, the utility model provides a thermal imaging device with distance measuring function. The thermal imaging device includes a tripod 9, a plurality of self-locking rollers, an adjustment assembly 7 and a thermal imaging assembly. The bottom end of the tripod 9 is correspondingly provided with self-locking rollers; the adjustment assembly 7 is arranged on the top of the tripod 9; the thermal imaging assembly is arranged on the top of the adjustment assembly 7; the distance measuring unit is arranged in the thermal imaging assembly; the adjustment assembly 7 can adjust the thermal imaging The distance of the assembly relative to the tripod 9 in the vertical direction. The thermal imaging component can be an existing infrared thermal imaging component, and the ranging unit can be an existing infrared sensor, such as a photoelectric sensor. The utility model integrates the thermal imaging component and the ranging unit into a thermal imaging device, which meets the needs of the thermal imaging component. The demand for multi-point detection.

The bottom of the tripod 9 is correspondingly provided with self-locking rollers, so that the thermal imaging assembly can move flexibly, and then the thermal imaging assembly can take high-precision thermal imaging pictures of building facades or building structures, improving the building structure or building facades. Integrity and accuracy of thermal imaging pictures. The self-locking roller itself has a self-locking function, which can fix the tripod 9 to ensure the stability of the thermal imaging component during the shooting process, thereby ensuring the measurement accuracy.

The thermal imaging component is equipped with a distance measuring unit, which can calibrate the thermal imaging picture, even if the thermal imaging picture contains measurement data, which is convenient for subsequent calculation of the building disease area. The ranging unit can also feedback the horizontal movement distance of the thermal imaging component to ensure the fixed distance and fixed-point movement of the thermal imaging component, and finally can ensure that the thermal imaging pictures taken after multiple movements are all high-precision pictures, and multiple high-precision By splicing and synthesizing the pictures, a complete thermal imaging picture of the building structure or building facade can be obtained. The utility model combines the thermal imaging component and the distance measuring unit as a whole machine, and can output infrared thermal imaging diagrams with size measurement data, so that inspection personnel can efficiently realize building disease detection and disease area measurement.

The adjustment component 7 is arranged on the top of the tripod 9 and can adjust the distance of the thermal imaging component relative to the tripod 9 in the vertical direction. The setting of the adjustment component 7 enables the thermal imaging component to move in the height direction, the tripod 9 and a plurality of self-locking rollers enable the thermal imaging component to move in the horizontal direction, and the distance measuring unit can be used to realize fixed-distance and fixed-point movement. The adjustment process It is simple, fast, and has high measurement efficiency, meeting the measurement requirements for thermal imaging pictures of complete building structures or building facades.

Further, the adjustment assembly 7 includes a sleeve 71, an adjustment rod 72 and a positioning member 73; the sleeve 71 is arranged on the top of the tripod 9, the adjustment rod 72 is arranged on the bottom end of the thermal imaging assembly 1, and the adjustment rod 72 slides with the sleeve 71 Connection; the positioning piece 73 passes through the sleeve 71 to limit the adjustment rod 72 in the height direction. Specifically, the adjusting rod 72 is equivalent to a telescopic rod, which can be directly driven by a motor. In this embodiment, based on the consideration of the detection environment, the adjustment rod 72 is set as a purely mechanical structure, so that the adjustment of the adjustment rod 72 can be realized even in an environment without electricity. The positioning member 73 passes through the sleeve 71, so as to be in contact with the bottom end of the adjusting rod 72, and then limit the adjusting rod 72 in the height direction, so that the thermal imaging assembly can be positioned at two or more heights , so as to capture multiple high-precision thermal imaging pictures in the same height direction (vertical direction).

As shown in FIG. 3 , a plurality of first positioning holes 711 are arranged in an array on the sleeve 71 , and the positioning member 73 is inserted into the first positioning holes 711 . Based on the shooting accuracy range of the thermal imaging component, the heights of the multiple first positioning holes 711 and the spacing of the array are set correspondingly, so that multiple thermal imaging pictures taken in multiple height directions are synthesized in high-precision areas, so that Improved measurement accuracy for thermal imaging of building structures.

On the same height, only one first positioning hole 711 can be set, and the positioning member 73 can pass through the first positioning hole 711 to play a limiting role; on this basis, the positioning member 73 and the first positioning hole 711 are threaded The connection is used to further limit the positioning part 73, which can effectively prevent the positioning part 73 from slipping out of the sleeve 71 and further enhance the stability of the positioning and support. Secondly, the first positioning holes 711 on the same height can also be arranged in pairs, that is, the positioning member 73 passes through the pair of first positioning holes 711, and the positioning member 73 is limited and supported by the pair of first positioning holes 711 , compared with the embodiment of single hole, the stability of the double hole is stronger.

In one embodiment, as shown in FIG. 3 , the adjusting rod 72 is provided with a second positioning hole 721, and the number of the second positioning hole 721 can be one or more; the second positioning hole 721 is the same as the first positioning hole 711. The positioning member 73 can be inserted into the first positioning hole 711 and the second positioning hole 721 at the same time. That is, when the first positioning hole 711 and the second positioning hole 721 are coaxial or nearly coaxial, the positioning member 73 can be inserted into the first positioning hole 711 and the second positioning hole 721 at the same time, so as to support and limit the adjustment rod 72 .

In another embodiment, as shown in FIG. 4 , a groove 722 is defined at the bottom end of the adjusting rod 72 , and the groove 722 can be in surface contact with the positioning member 73 . The groove 722 can be a rectangular groove, an arc groove or other shapes. In this embodiment, it is an arc groove. The arc groove contacts with the positioning member 73 to support and limit the adjustment rod 72 . The shape of the groove 722 is set corresponding to the contact surface with the positioning member 73, so that the groove 722 can be in surface contact with the positioning member 73, further improving the stability of the support limit.

Referring again to FIG. 3 , a sliding block 723 is provided on the adjusting rod 72 , and a sliding slot 712 is provided on the sleeve 71 , and the sliding block 723 can slide in the sliding slot 712 . The chute 712 can be built into the sleeve 71, that is, the slider 723 slides inside the sleeve 71; in this embodiment, the chute 712 is opened, that is, the slider 723 can extend from the inside of the sleeve 71 to the outside, and pass through 712 limits the position of the slider 723 in the horizontal direction, which also completes the limit of the thermal imaging component in the horizontal direction, thereby reducing or avoiding the need for further adjustment when moving the thermal imaging device to the next point to be measured. The relative position of the thermal imaging component and the adjustment component 7 (tripod 9 ) is calibrated and adjusted to keep it consistent with the position of the last detection point, thus optimizing the debugging process and improving the testing efficiency. Further, a plurality of sliders 723 can be set, and the plurality of sliders 723 are arranged around the axis of the adjustment rod 72. In this embodiment, four sliders 723 are arranged around the axis of the adjustment rod 72, forming a "cross" shaped limit. The bit structure further enhances the stability of the transmission and is more conducive to improving the measurement accuracy.

In order to facilitate the disassembly and transportation of the thermal imaging assembly, the thermal imaging assembly can be detachably connected with the adjustment assembly 7, and a connecting plate can be directly arranged on the top of the adjustment rod 72, and the connecting plate and the bottom end of the thermal imaging assembly can be connected by bolts; An elastic clamping member, such as a spring clip, is arranged on the connecting plate, and the two ends of the spring clip are set as L-shaped plates, so that the thermal imaging component can be clamped and fixed on the connecting plate. In this embodiment, the chute 712 is opened to the top of the sleeve 71 , so that the adjusting rod 72 can be taken out from the sleeve 71 , and then the thermal imaging assembly is disassembled from the tripod 9 .

In addition, the positioning member 73 can be a bolt or a pin. The bolts can be directly threaded with the sleeve 71 , or polished bolts can be selected and fixed by nuts located outside the sleeve 71 , and the nuts can be embedded and installed in the outer wall of the sleeve 71 . The pin can directly pass through the sleeve 71 and then be fixed by the cotter pin. The cotter pin is easy to disassemble, and the height adjustment efficiency of the thermal imaging component is high.

Further, the self-locking roller includes a self-locking part 10 and a roller 11; the self-locking part 10 is connected to the tripod 9; the roller 11 is rotatably connected to the self-locking part 10. The self-locking part 10 can be a common trolley pedal self-locking part, and the roller 11 is braked by the friction force generated by the contact between the self-locking part 10 and the roller 11, so as to ensure the stability of the thermal imaging component during the measurement process . Roller 11 selects universal wheel for use, so that move on horizontal direction.

Secondly, the thermal imaging assembly includes a housing 1 and a display screen arranged on the housing 1, a zoom ring 13 and a thermal imaging lens 14; the housing 1 is installed on the adjustment assembly 7; the zoom ring 13 and the thermal imaging lens 14 are set On the same side of the casing 1 , the display screen is disposed on the other side of the casing 1 . Specifically, the display screen includes a thermal imaging picture display screen 2 and a main menu function display screen 3; the main menu function display screen 3 is arranged on the housing 1, and the thermal imaging picture display screen 2 and the housing 1 are hinged through a hinge shaft 12 to The display screen is made into a clamshell structure, which saves space and is also convenient for surveyors to watch. The thermal imaging camera lens 14 faces the building surface to be measured, and the zoom ring 13 is used to adjust the focal length of the thermal imaging camera lens 14 to ensure the imaging quality; One side is more convenient for inspection personnel to operate.

In addition, the housing 1 is provided with a first infrared laser window 4 and a second infrared laser window 41; the first infrared laser window 4 faces the surface to be measured, and the second infrared laser window 41 faces a reference plane perpendicular to the surface to be measured; Both the first infrared laser window 4 and the second infrared laser window 41 are provided with distance measuring units. The first infrared laser window 4 is used to measure the distance of the thermal imaging picture, so that the thermal imaging picture has measurement length data, which is convenient for subsequent surveyors to efficiently calculate the building disease area. The second infrared laser window 41 is used for the fixed-distance and fixed-point movement of the thermal imaging device, setting a fixed-point moving distance for the thermal imaging component, and the distance measuring unit can identify the moving distance of the thermal imaging component in this direction, and move the thermal imaging component To the next point to be measured, the indicator light of the distance measuring unit lights up during the moving process, indicating that it has moved to the point to be measured.

Further, the thermal imaging assembly also includes a multi-function switch 5 , a power switch 6 , a connecting piece 8 and a power interface 15 . The multi-function switch 5 is used for inputting instructions; the power switch 6 is used for starting and shutting down the thermal imaging component; the connector 8 is a support platform to further enhance the support stability; the power interface 15 is used for connecting an external power supply, or A battery is installed inside the module. When the thermal imaging device is working, it is powered by the battery. When it is idle, it can be recharged by an external power supply to facilitate the movement of the thermal imaging device during the measurement process.

In addition, when measuring, first turn on the power switch 6, select the thermal imaging function by clicking the multi-function switch 5, and when the thermal imaging picture display screen 2 presents a building thermal imaging picture, adjust the zoom ring 13 to find a suitable shooting position. The self-locking roller is self-locked, and the height of the thermal imaging component in the vertical direction is adjusted through the adjustment component 7 to fix the shooting point.

After the thermal imaging picture is taken, select the infrared ranging function through the multi-function switch 5, and after measuring the length and width values of any rectangle in the picture, input the data into the thermal imaging picture through the multi-function switch 5. By selecting the calibration function through the multi-function switch 5, the infrared thermal imaging picture with measurement data can be output. Specifically, a rectangle with measurable side length data is arbitrarily defined on the picture, and the length and width data of the rectangle are measured by the distance measuring unit, and the thermal imaging picture is automatically identified and calibrated according to the rectangular data, thereby outputting a thermal imaging picture with length data (The picture can directly output the distance between any two points on the picture), which is convenient for subsequent surveyors to measure and calculate the building disease area. The conventional calculation method for the building disease area requires that after the inspection is completed, the inspectors re-calibrate the thermal imaging image, such as manually measuring the data of a certain length on the image, importing CAD or related program software, and scaling the image according to the proportion , so that the area is measured and calculated, and the operation is relatively troublesome, but the thermal imaging component of the present invention can directly obtain the data of a certain length on the picture through the distance measuring unit, eliminating the need for manual measurement.

Utilize the infrared ranging function to measure the position of the next shooting point, adjust the self-locking roller and the adjustment assembly 7 to fix the shooting point again. Repeat the above steps to output the next thermal image.

Repeat the above steps until a complete infrared thermal imaging picture of the building structure or building facade is taken.

It should be understood that the above description of the specific embodiments of the utility model is only to illustrate the technical route and characteristics of the utility model, and its purpose is to allow those skilled in the art to understand the content of the utility model and implement it accordingly. But the utility model is not limited to the specific embodiments described above. All changes or modifications made within the scope of the claims of the utility model shall be covered by the protection scope of the utility model.

Claims (10)

1. A thermal imaging apparatus having a ranging function, the thermal imaging apparatus comprising:

a tripod (9);

the bottom ends of the tripods (9) are correspondingly provided with the self-locking rollers;

the adjusting component (7) is arranged at the top end of the tripod (9);

a thermal imaging assembly disposed on top of the adjustment assembly (7); a distance measuring unit is arranged in the thermal imaging assembly; the adjustment assembly (7) is capable of adjusting the distance of the thermal imaging assembly in a vertical direction relative to the tripod (9).

2. Thermal imaging device with ranging function according to claim 1, characterized in that the adjustment assembly (7) comprises a sleeve (71), an adjustment lever (72) and a positioning member (73);

the sleeve (71) is arranged at the top end of the tripod (9), the adjusting rod (72) is arranged at the bottom end of the thermal imaging assembly, and the adjusting rod (72) is in sliding connection with the sleeve (71);

the positioning piece (73) passes through the sleeve (71) to limit the adjusting rod (72) in the height direction.

3. Thermal imaging apparatus with ranging function according to claim 2, characterized in that a plurality of first positioning holes (711) are provided on the sleeve (71) in an array, and the positioning members (73) are inserted into the first positioning holes (711).

4. A thermal imaging apparatus with ranging function according to claim 3, wherein a second positioning hole (721) is formed on the adjusting rod (72), and the second positioning hole (721) and the first positioning hole (711) are in the same diameter; the positioning member (73) can be inserted into the first positioning hole (711) and the second positioning hole (721) at the same time.

5. A thermal imaging apparatus with ranging function according to claim 3, wherein a groove (722) is provided at the bottom end of the adjusting lever (72), the groove (722) being capable of surface-to-surface contact with the positioning member (73).

6. The thermal imaging apparatus with distance measurement function according to claim 2, wherein a slider (723) is provided on the adjustment lever (72), a slide groove (712) is provided on the sleeve (71), and the slider (723) is slidable within the slide groove (712).

7. Thermal imaging apparatus with ranging function according to claim 2, characterized in that the positioning member (73) can be a bolt or a pin.

8. Thermal imaging device with ranging function according to any of claims 1-7, characterized in that the self-locking roller comprises a self-locking member (10) and a roller (11);

the self-locking piece (10) is connected with the tripod (9);

the roller (11) is rotationally connected with the self-locking piece (10).

9. The thermal imaging apparatus with ranging function according to any one of claims 1 to 7, wherein the thermal imaging assembly comprises a housing (1), and a display screen, a zoom ring (13) and a thermal imaging photographing lens (14) provided on the housing (1);

the shell (1) is mounted on the adjusting assembly (7);

the zoom ring (13) and the thermal imaging shooting lens (14) are arranged on the same side of the shell (1), and the display screen is arranged on the other side of the shell (1).

10. The thermal imaging device with ranging function according to claim 9, characterized in that the housing (1) is provided with a first infrared laser window (4) and a second infrared laser window (41); the first infrared laser window (4) faces the surface to be measured, and the second infrared laser window (41) faces a reference surface perpendicular to the surface to be measured;

the distance measuring units are arranged at the first infrared laser window (4) and the second infrared laser window (41).

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