Distance-measuring dual-spectrum infrared thermal imager

Abstract

The utility model discloses a dual-spectrum infrared thermal imager capable of measuring distance. The dual-spectrum infrared thermal imager comprises a shell with an inner cavity, a display screen arranged on the rear end face of the upper part of the shell, and a mainboard, an infrared thermal imaging camera, a laser distance measuring module, a visible light camera, an LED lamp and a battery which are arranged in the inner cavity, the front end of the upper part of the inner cavity of the shell is also provided with a heat insulation shell; the infrared thermal imaging camera, the laser ranging module, the visible light camera and the LED lamp are arranged in the heat insulation shell; the mainboard is arranged at the rear end of the upper part of the inner cavity of the shell; the battery is arranged at the lower part of the inner cavity of the shell; the infrared thermal imaging camera and the visible light camera are closely arranged, and a camera head of the infrared thermal imaging camera and a camera head of the visible light camera are arranged on the same vertical plane. According to the utility model, the thermal insulation shell is additionally arranged, so that the infrared thermal imaging camera and the mainboard are separated in the internal space of the shell, and unexpected heat generated by the mainboard is prevented from influencing the temperature measurement performance of the infrared thermal imaging camera.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal imagers, in particular to a dual-spectrum infrared thermal imager capable of measuring distance. Background Art

[0002] The working principle of infrared thermal imagers is to observe the object under test through temperature difference. Existing infrared thermal imagers have the following shortcomings:

[0003] 1) Infrared thermal imaging cameras are greatly affected by unexpected temperatures when working. In particular, the heat generated by the mainboard fluctuates with the type and number of functional modules currently working. These unexpected heats greatly affect the temperature measurement performance of infrared thermal imaging cameras.

[0004] 2) During the temperature measurement process, the temperature measurement accuracy depends on the measurement distance. When the distance to the measured object is far, the temperature measurement accuracy tends to decrease; however, most existing infrared thermal imagers do not have a distance measurement function, resulting in unsatisfactory temperature measurement accuracy;

[0005] 3) When the temperature difference of the measured object is not obvious, the outline of the measured object cannot be clearly displayed, resulting in blurred pictures; and when measuring several similar measured objects at the same time, even if the measured objects have labels or numbers, the infrared thermal imaging camera cannot identify which specific number it is because the temperature is relatively close, resulting in difficulty in matching the measurement results and pictures. Utility Model Content

[0006] The purpose of the utility model is to provide a dual-spectrum infrared thermal imager capable of measuring distance. By adding a heat-insulating shell, the infrared thermal imaging camera and the main board are separated in the internal space of the shell, so as to avoid the unexpected heat generated by the main board affecting the temperature measurement performance of the infrared thermal imaging camera.

[0007] In order to achieve the above purpose, the following technical solutions are adopted:

[0008] A dual-spectrum infrared thermal imager capable of measuring distance comprises a shell with an inner cavity, a display screen arranged on the upper rear end surface of the shell, and a mainboard, an infrared thermal imaging camera, a laser ranging module, a visible light camera, an LED lamp, and a battery arranged in the inner cavity; a heat-insulating shell is also arranged at the upper front end of the inner cavity of the shell, and the infrared thermal imaging camera, the laser ranging module, the visible light camera, and the LED lamp are installed in the heat-insulating shell; the mainboard is arranged at the upper rear end of the inner cavity of the shell, and the battery is arranged at the lower part of the inner cavity of the shell; the infrared thermal imaging camera and the visible light camera are arranged adjacent to each other, and the camera head of the infrared thermal imaging camera and the camera head of the visible light camera are arranged on the same vertical plane.

[0009] Preferably, the insulating shell includes an insulating bottom shell and an insulating surface shell that are snap-connected; the insulating bottom shell is arranged close to the rear end of the outer shell, and the insulating surface shell is arranged close to the front end of the outer shell; a first insulating groove and a second insulating groove are provided in the insulating bottom shell; the infrared thermal imaging camera is accommodated and installed in the first insulating groove, and the visible light camera is accommodated and installed in the second insulating groove.

[0010] Preferably, the heat-insulating shell is made of ABS plastic.

[0011] Preferably, it also includes an indication and positioning laser module arranged at the upper part of the inner cavity of the shell.

[0012] Preferably, the heat-insulating shell is also provided with an interface board on one side close to the rear end of the shell, which is used to connect the infrared thermal imaging camera, laser ranging module, visible light camera, LED light, and indication positioning laser module to the main board.

[0013] Preferably, a heat insulation channel is reserved between the interface board and the main board.

[0014] Preferably, the mainboard is fixed to the upper rear end of the inner cavity of the shell via a mounting bracket.

[0015] By adopting the above scheme, the beneficial effects of the utility model are:

[0016] 1) By adding a heat-insulating shell, the infrared thermal imaging camera and the mainboard are separated in the internal space of the shell to prevent the unexpected heat generated by the mainboard from affecting the temperature measurement performance of the infrared thermal imaging camera;

[0017] 2) By adding a laser ranging module, the distance from the infrared thermal imager to the object to be measured can be measured before temperature measurement, and then the temperature measurement accuracy can be improved by combining the ranging data with the temperature measurement data;

[0018] 3) By adding a visible light camera, the image of the infrared thermal imaging camera and the image of the visible light camera can be combined to achieve dual-spectrum imaging, which can not only reflect the thermal image and temperature of the measured object, but also allow users to clearly identify the outline and number of the measured object, greatly simplifying the temperature measurement process, and can retain more image information, facilitating the user's secondary editing work;

[0019] 4) The infrared thermal imaging camera and the visible light camera are arranged next to each other, and the cameras of the infrared thermal imaging camera and the visible light camera are arranged on the same vertical plane to ensure the consistency of the images of the infrared thermal imaging camera and the visible light camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a principle block diagram of the utility model;

[0021] Figure 2It is a three-dimensional diagram of the internal structure of the utility model;

[0022] Figure 3 It is a three-dimensional diagram of the upper structure of the inner cavity of the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the heat-insulating housing and the interface plate of the utility model;

[0024] Figure 5 It is a three-dimensional diagram of the internal structure of the heat-insulating shell of the utility model;

[0025] Figure 6 It is a three-dimensional diagram of the heat-insulating bottom shell of the utility model;

[0026] The accompanying drawings illustrate:

[0027] 1—display screen, 2—main board,

[0028] 3—Infrared thermal imaging camera, 4—Laser ranging module,

[0029] 5—Visible light camera, 6—LED light,

[0030] 7—battery, 8—insulated housing,

[0031] 9—indicator positioning laser module, 10—interface board,

[0032] 11—Mounting bracket, 81—Insulation bottom shell,

[0033] 82 - heat insulation surface shell, 83 - first heat insulation groove,

[0034] 84—Second insulation tank. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0038] Reference Figures 1 to 6 As shown, the utility model provides a dual-spectrum infrared thermal imager capable of measuring distance, comprising a shell with an inner cavity, a display screen 1 arranged at the rear end surface of the upper part of the shell, and a mainboard 2, an infrared thermal imaging camera 3, a laser ranging module 4, a visible light camera 5, an LED lamp 6, and a battery 7 arranged in the inner cavity; a heat-insulating shell 8 is also arranged at the upper front end of the inner cavity of the shell, and the infrared thermal imaging camera 3, the laser ranging module 4, the visible light camera 5, and the LED lamp 6 are installed in the heat-insulating shell 8, and the infrared thermal imaging camera 3, the laser ranging module 4, the visible light camera 5, and the LED lamp 6 are concentrated at the upper front end of the inner cavity of the shell through the heat-insulating shell 8. The mainboard 2 is arranged at the upper rear end of the inner cavity of the shell, and the battery 7 is arranged at the lower part of the inner cavity of the shell.

[0039] Among them, the insulating shell 8 includes an insulating bottom shell 81 and an insulating surface shell 82 that are snap-connected; the insulating bottom shell 81 is arranged close to the rear end of the shell, and the insulating surface shell 82 is arranged close to the front end of the shell; a first insulating groove 83 and a second insulating groove 84 are opened in the insulating bottom shell 81; the infrared thermal imaging camera 3 is accommodated and installed in the first insulating groove 83, and the visible light camera 5 is accommodated and installed in the second insulating groove 84.

[0040] In a specific embodiment, the dual-spectrum infrared thermal imager with range measurement provided by the utility model is a handheld infrared thermal imager, and the lower part of the shell is used as a handle. The upper front end surface of the shell and the heat insulation surface shell 82 respectively open test ports corresponding to the infrared thermal imaging camera 3, the laser ranging module 4, the visible light camera 5, and the LED light 6, and the upper rear end surface of the shell is provided with a display screen 1 as an operating surface. Considering that the temperature measurement distance of the infrared thermal imager is within 10m, in another specific embodiment, a 40m laser ranging module 4 is selected to enhance the general performance.

[0041] In order to ensure the image consistency of the infrared thermal imaging camera 3 and the visible light camera 5, the infrared thermal imaging camera 3 and the visible light camera 5 are structurally arranged close to each other, and the camera head of the infrared thermal imaging camera 3 and the camera head of the visible light camera 5 are located on the same vertical plane, that is, the camera head of the infrared thermal imaging camera 3 and the camera head of the visible light camera 5 are arranged as close as possible and in parallel.

[0042] Since the heat generated by the visible light camera 5, the laser ranging module 4, and the LED light 6 is basically stable, the influence of these stable temperatures can be considered when evaluating the temperature measurement performance of the infrared thermal imager. However, since there are many functional modules on the mainboard 2, the types and numbers of functional modules currently working on the mainboard 2 vary in different usage scenarios, resulting in fluctuations in the heat generated. The utility model separates the infrared thermal imaging camera 3 from the mainboard 2 by providing an insulating shell 8, and provides a first insulating groove 83 in the insulating bottom shell 81 for installing the infrared thermal imaging camera 3, so as to avoid convection between the temperature in the insulating shell 8 and the temperature generated by the mainboard 2.

[0043] The heat-insulating housing 8 is made of ABS plastic material to achieve heat-insulating function. In addition, a heat-insulating channel is reserved between the interface board 10 and the main board 2 to improve the heat-insulating effect.

[0044] An indicating and positioning laser module 9 is also provided at the upper part of the inner cavity of the shell. By adding the indicating and positioning laser module 9, when multiple users are observing the target at the same time, the position of the measured object can be indicated to other people through the laser point.

[0045] Furthermore, in order to reduce the influence of the unexpected heat generated by the mainboard 2 on the temperature measurement performance of the infrared thermal imaging camera 3, the heat-insulating shell 8 is also provided with an interface board 10 on the side close to the rear end of the shell. The infrared thermal imaging camera 3, the laser ranging module 4, the visible light camera 5, and the LED light 6 are separated and connected to the mainboard 2 through the interface board 10, and then the data of the infrared thermal imaging camera 3, the laser ranging module 4, and the visible light camera 5 are uniformly transmitted to the mainboard 2 through the flexible cable, and the mainboard 2 uniformly processes the data and displays it on the display screen 1.

[0046] The mainboard 2 is fixed to the upper rear end of the inner cavity of the shell through the mounting bracket 11. The mainboard 2 is provided with a CPU, a memory module, etc. When the infrared thermal imager measures the temperature, the laser distance measurement module 4 is first started to detect the distance of the object to be measured, and the distance measurement data is fed back to the CPU of the mainboard 2; when the temperature measurement data of the infrared thermal imaging camera 3 is returned, the distance measurement data and the temperature measurement data are combined to obtain more accurate temperature data (the software algorithm involved in this process adopts the existing technology, that is, the software improvement is not involved here), and it is displayed on the display screen 1.

[0047] The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model. Obviously, the above embodiments of the present utility model are only examples for clearly illustrating the present utility model, and are not limitations on the implementation methods of the present utility model. For ordinary technicians in the relevant field, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present utility model. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the protection scope of the claims of the present utility model.

Claims

1. A dual-spectrum infrared thermal imager capable of measuring distance, characterized in that: It includes a shell with an inner cavity, a display screen arranged on the upper rear end surface of the shell, and a mainboard, an infrared thermal imaging camera, a laser ranging module, a visible light camera, an LED lamp, and a battery arranged in the inner cavity; an insulating shell is also arranged at the upper front end of the inner cavity of the shell, and the infrared thermal imaging camera, the laser ranging module, the visible light camera, and the LED lamp are installed in the insulating shell; the mainboard is arranged at the upper rear end of the inner cavity of the shell, and the battery is arranged at the lower part of the inner cavity of the shell; the infrared thermal imaging camera and the visible light camera are arranged adjacent to each other, and the camera head of the infrared thermal imaging camera and the camera head of the visible light camera are arranged on the same vertical plane.

2. The dual-spectrum infrared thermal imager capable of ranging according to claim 1, characterized in that: The heat-insulating shell includes a heat-insulating bottom shell and a heat-insulating front shell that are snap-connected; the heat-insulating bottom shell is arranged close to the rear end of the shell, and the heat-insulating front shell is arranged close to the front end of the shell; a first heat-insulating groove and a second heat-insulating groove are opened in the heat-insulating bottom shell; the infrared thermal imaging camera is accommodated and installed in the first heat-insulating groove, and the visible light camera is accommodated and installed in the second heat-insulating groove.

3. The dual-spectrum infrared thermal imager capable of ranging according to claim 1, characterized in that: The heat-insulating shell is made of ABS plastic.

4. The dual-spectrum infrared thermal imager capable of ranging according to claim 1, characterized in that: It also includes an indication and positioning laser module arranged on the upper part of the inner cavity of the shell.

5. The dual-spectrum infrared thermal imager capable of ranging according to claim 4, characterized in that: The heat-insulating shell is also provided with an interface board on one side close to the rear end of the shell, which is used to connect the infrared thermal imaging camera, the laser ranging module, the visible light camera, the LED light, and the indicating positioning laser module to the main board.

6. The dual-spectrum infrared thermal imager capable of ranging according to claim 5, characterized in that: A heat insulation channel is reserved between the interface board and the main board.

7. The dual-spectrum infrared thermal imager capable of ranging according to claim 1, characterized in that: The mainboard is fixed to the upper rear end of the inner cavity of the shell via a mounting bracket.

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