Double-view-field mobile phone thermal imager

Abstract

The utility model discloses a double-view-field mobile phone thermal imager, which comprises a shell with an inner cavity, and an infrared thermal imaging camera, a visible light camera and an interface board which are arranged in the inner cavity, the interface board is provided with a first USB protocol conversion module connected with the infrared thermal imaging camera, a second USB protocol conversion module connected with the visible light camera, and a USB HUB connected with the first USB protocol conversion module and the second USB protocol conversion module. The USB HUB is further connected with a USB interface, and the USB interface extends out of the shell from the inner cavity. The USB interface is used for being connected with a USB socket of a mobile phone; the visible light camera and the infrared thermal imaging camera are closely arranged; the visible light camera is installed through a U-shaped plate, so that a lens of the visible light camera and a lens of the infrared thermal imaging camera are installed in an aligned mode. According to the utility model, through the arrangement of the U-shaped plate, the lens of the visible light camera and the lens of the infrared thermal imaging camera can be aligned and installed, the image consistency of the infrared thermal imaging camera and the visible light camera is ensured, the overall structure is compact, the miniaturization of the thermal imager is facilitated, and the thermal imager is convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal imagers, in particular to a dual-viewing-field mobile phone thermal imager. Background Art

[0002] The working principle of infrared thermal imagers is to observe the object under test through temperature difference. Existing infrared thermal imagers are basically large and heavy handheld thermal imagers. When used with mobile phones, they are inconvenient to carry and have many other problems.

[0003] In addition, most of the existing thermal imagers only have a single infrared thermal imaging function. When the temperature difference of the object being measured is not obvious, the outline of the object being measured cannot be clearly displayed, resulting in blurred pictures. Moreover, when measuring several similar objects at the same time, even if the objects are labeled or numbered, 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

[0004] The purpose of the utility model is to provide a dual-field-of-view mobile phone thermal imager. By setting a U-shaped plate, the lens of a visible light camera and the lens of an infrared thermal imaging camera can be aligned and installed, thereby ensuring the consistency of the images of the infrared thermal imaging camera and the visible light camera. The overall structure is compact, which is conducive to the miniaturization of the thermal imager and is easy to carry.

[0005] In order to achieve the above purpose, the following technical solutions are adopted:

[0006] A dual-field-of-view mobile phone thermal imager comprises a shell provided with an inner cavity, and an infrared thermal imaging camera, a visible light camera and an interface board installed in the inner cavity; the interface board is provided with a first USB protocol conversion module connected to the infrared thermal imaging camera, a second USB protocol conversion module connected to the visible light camera, and a USB HUB connected to the first USB protocol conversion module and the second USB protocol conversion module respectively; the USB HUB is also connected to a USB interface, and the USB interface extends from the inner cavity to the outside of the shell; the USB interface is used to connect to a USB socket of a mobile phone; the visible light camera and the infrared thermal imaging camera are arranged adjacent to each other; the visible light camera is installed via a U-shaped plate so that a lens of the visible light camera is aligned with a lens of the infrared thermal imaging camera.

[0007] Preferably, the horizontal end of the U-shaped plate is arranged close to the front end surface of the shell, and the two vertical ends of the U-shaped plate are extended toward the rear end surface of the shell; the lens of the infrared thermal imaging camera and the lens of the visible light camera are both extended from the inner cavity to the outside of the front end surface of the shell; the visible light camera is installed on the front side of the horizontal end of the U-shaped plate, so that the lens of the infrared thermal imaging camera is aligned with the lens of the visible light camera.

[0008] Preferably, the interface plate is arranged at the rear side of the two vertical ends of the U-shaped plate, so that a heat dissipation channel is formed between the two vertical ends of the U-shaped plate.

[0009] Preferably, a coated germanium sheet is provided on the front side of the lens of the infrared thermal imaging camera, and an acrylic sheet is provided on the front side of the lens of the visible light camera.

[0010] Preferably, the shell includes a cover shell with an opening on the rear end face, a bottom plate clamped to the opening of the cover shell, and a partition plate arranged on the inner side of the bottom plate; the partition plate is locked and fixed to the inside of the cover shell by a plurality of fasteners, and the bottom plate is embedded in the opening of the cover shell and fixed.

[0011] By adopting the above scheme, the beneficial effects of the utility model are:

[0012] The utility model provides a U-shaped plate so that the lens of the visible light camera and the lens of the infrared thermal imaging camera can be aligned and installed, ensuring the consistency of the images of the infrared thermal imaging camera and the visible light camera. The overall structure is compact, which is conducive to the miniaturization of the thermal imager and is easy to carry. At the same time, the interface board and the visible light camera can be separated by providing a U-shaped plate to reduce the mutual influence of heat generated when the two are working. In addition, by adding a visible light camera, a dual-field measurement function is realized, allowing the user to clearly identify the outline and number of the object being measured, etc., greatly simplifying the temperature measurement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 It is a three-dimensional diagram of the internal structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the visible light camera, U-shaped plate and interface plate of the utility model;

[0016] Figure 4 It is an exploded view of the utility model;

[0017] Figure 5 It is a principle block diagram of the utility model;

[0018] The accompanying drawings illustrate:

[0019] 1—Infrared thermal imaging camera, 2—Shell,

[0020] 3—Visible light camera, 4—Interface board,

[0021] 5—first USB protocol conversion module, 6—second USB protocol conversion module,

[0022] 7—USB HUB, 8—USB interface,

[0023] 9—U-shaped plate, 10—coated germanium sheet,

[0024] 11—Acrylic sheet, 21—Cover,

[0025] 22—bottom plate, 23—partition plate. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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.

[0029] Reference Figures 1 to 5As shown, the utility model provides a dual-field mobile phone thermal imager, including a shell 2 with an inner cavity, and an infrared thermal imaging camera 1, a visible light camera 3, and an interface board 4 installed in the inner cavity; the interface board 4 is provided with a first USB protocol conversion module 5 connected to the infrared thermal imaging camera 1, a second USB protocol conversion module 6 connected to the visible light camera 3, and a USB HUB 7 connected to the first USB protocol conversion module 5 and the second USB protocol conversion module 6 respectively; the USB HUB 7 is also connected to a USB interface 8, and the USB interface 8 extends from the inner cavity to the outside of the shell 2; specifically, the USB interface 8 is a USB Type-C interface. The USB interface 8 is used to connect to the USB socket of the mobile phone; the visible light camera 3 is arranged adjacent to the infrared thermal imaging camera 1; the visible light camera 3 is installed via a U-shaped plate 9 so that the lens of the visible light camera 3 is aligned with the lens of the infrared thermal imaging camera 1.

[0030] The infrared thermal imaging camera 1 transmits the infrared thermal imaging image and data to the USB HUB 7 through the first USB protocol conversion module 5, and the visible light camera 3 transmits the visible light image and data to the USB HUB 7 through the second USB protocol conversion module 6. Since a mobile phone generally has only one USB port, the utility model integrates the two data through the USB HUB 7, connects to the USB port of the mobile phone through the USB interface 8, and receives the data through the mobile phone for processing and display.

[0031] Among them, the horizontal end of the U-shaped plate 9 is arranged close to the front end surface of the shell 2, and the two vertical ends of the U-shaped plate 9 are extended toward the rear end surface of the shell 2; the lens of the infrared thermal imaging camera 1 and the lens of the visible light camera 3 are both extended from the inner cavity to the outside of the front end surface of the shell 2; the visible light camera 3 is installed on the front side of the horizontal end of the U-shaped plate 9, so that the lens of the infrared thermal imaging camera 1 and the lens of the visible light camera 3 are aligned and installed.

[0032] The interface board 4 is arranged at the rear side of the two vertical ends of the U-shaped board 9, so that a heat dissipation channel is formed between the two vertical ends of the U-shaped board 9. Figure 3 The two vertical ends of the U-shaped plate 9 extend outward to form an ear portion, through which the U-shaped plate 9 is locked and fixed in the inner cavity of the shell 2.

[0033] In the structural design of the whole machine, in order to ensure the consistency of the images of the infrared thermal imaging camera 1 and the visible light camera 3, the infrared thermal imaging camera 1 and the visible light camera 3 are arranged adjacent to each other, that is, as close as possible. Since the thickness of the infrared thermal imaging camera 1 and the visible light camera 3 are different, the thickness of the infrared thermal imaging camera 1 is generally larger. The utility model is provided with a U-shaped plate 9. On the one hand, by installing the visible light camera 3 on the front side of the horizontal end of the U-shaped plate 9, it is ensured that the lens of the visible light camera 3 and the lens of the infrared thermal imaging camera 1 can be aligned and installed, so that the image optical axes of the two are parallel; on the other hand, by separating the interface board 4 from the visible light camera 3 and forming a heat dissipation channel, it is avoided that the heat generated by the two cameras when working affects each other.

[0034] A coated germanium sheet 10 is provided on the front side of the lens of the infrared thermal imaging camera 1 , and an acrylic sheet 11 is provided on the front side of the lens of the visible light camera 3 , which can achieve a dustproof effect and make the product more beautiful.

[0035] The housing 2 includes a cover 21 with an opening on the rear end surface, a bottom plate 22 clamped at the opening of the cover 21, and a partition 23 provided inside the bottom plate 22; the partition 23 is fixed to the inside of the cover 21 by a plurality of fasteners, and the bottom plate 22 is embedded in the opening of the cover 21. Specifically, lens mounting holes are respectively provided on the front end surface of the cover 21 corresponding to the infrared thermal imaging camera 1 and the visible light camera 3, and a USB interface mounting hole is provided on the top end surface of the cover 21.

[0036] Furthermore, the fastener is set as a screw, a screw hole is opened inside the cover 21, and the partition 23 is fixed with screws to prevent the thermal imager from accidentally falling and causing the components in the inner cavity of the shell 2 to scatter. The bottom plate 22 adopts a clamping fixing structure, and can also cover the screws on the partition 23, which is beautiful and generous.

[0037] The utility model retains the infrared thermal imaging function and adds the function of the visible light camera 3. Compared with the mobile phone thermal imager with only the infrared thermal imaging camera 1, it does not increase too much weight and can enrich more measurement information of the object to be measured. When shooting, the image of the infrared thermal imaging camera 1 and the image of the visible light camera 3 can be combined together, which can not only reflect the thermal image and temperature of the object to be measured, but also allow the user to clearly identify the outline and number of the object to be measured, which greatly simplifies the test process.

[0038] If the traditional CPU plus memory is used for processing, the size and weight of the thermal imager will be too large, and the USB port of the mobile phone cannot bear it. The present invention fully considers portability in structural design, and uses the interface board 4 to simultaneously connect the infrared thermal imaging camera 1 and the visible light camera 3, and uses the mobile phone CPU to process the corresponding data (the software algorithms involved in this process can be implemented using existing technologies, that is, software improvements are not involved here).

[0039] 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-field-of-view mobile phone thermal imager, characterized in that: The invention comprises a shell with an inner cavity, and an infrared thermal imaging camera, a visible light camera and an interface board installed in the inner cavity; the interface board is provided with a first USB protocol conversion module connected to the infrared thermal imaging camera, a second USB protocol conversion module connected to the visible light camera, and a USB HUB connected to the first USB protocol conversion module and the second USB protocol conversion module respectively; the USB HUB is also connected to a USB interface, and the USB interface extends from the inner cavity to the outside of the shell; the USB interface is used to connect to a USB socket of a mobile phone; the visible light camera is arranged adjacent to the infrared thermal imaging camera; the visible light camera is installed via a U-shaped plate so that the lens of the visible light camera is aligned with the lens of the infrared thermal imaging camera.

2. The dual-field-of-view mobile phone thermal imager according to claim 1, characterized in that: The horizontal end of the U-shaped plate is arranged close to the front end surface of the shell, and the two vertical ends of the U-shaped plate are extended toward the rear end surface of the shell; the lens of the infrared thermal imaging camera and the lens of the visible light camera are both extended from the inner cavity to the outside of the front end surface of the shell; the visible light camera is installed on the front side of the horizontal end of the U-shaped plate, so that the lens of the infrared thermal imaging camera is aligned with the lens of the visible light camera.

3. The dual-field-of-view mobile phone thermal imager according to claim 2, characterized in that: The interface board is arranged at the rear side of the two vertical ends of the U-shaped board, so that a heat dissipation channel is formed between the two vertical ends of the U-shaped board.

4. The dual-field-of-view mobile phone thermal imager according to claim 1, characterized in that: A coated germanium sheet is provided on the front side of the lens of the infrared thermal imaging camera, and an acrylic sheet is provided on the front side of the lens of the visible light camera.

5. The dual-field-of-view mobile phone thermal imager according to claim 1, characterized in that: The shell comprises a cover shell with an opening on the rear end face, a bottom plate clamped at the cover shell opening, and a partition plate arranged on the inner side of the bottom plate; the partition plate is locked and fixed inside the cover shell by a plurality of fasteners, and the bottom plate is embedded in the opening of the cover shell and fixed.

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