Passive infrared thermal imaging 3D camera for multi-view laser ranging

Abstract

A passive infrared thermal imaging 3D camera for multi-view laser ranging relates to the technical field of camera equipment and comprises a spherical camera shell, a spherical camera support and a support base, a camera front cover is arranged on the front side of the spherical camera shell, and a first camera opening and a second camera opening are formed in the camera front cover. A laser emission port is formed in the top or the bottom of the camera front cover, a pitching rotating shaft is arranged on one side of the spherical camera shell, a motor shaft hole is formed in the other side of the spherical camera shell, a rotating shaft hole is formed in one side of the spherical camera support, and a pitching motor is fixed to the other side of the spherical camera support; a plurality of auxiliary camera openings distributed at equal intervals are formed in the side face of the auxiliary camera shell. The camera is combined with the two groups of binocular cameras, the binocular laser transmitter and the plurality of auxiliary cameras, so that the target acquisition success rate and the measurement precision of distance measurement are improved, the shooting range of the camera is enlarged, the visual angle is larger, and the measurement range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of camera equipment, in particular to a passive infrared thermal imaging 3D camera with multi-eye laser ranging. Background Art

[0002] A camera (CAMERA or WEBCAM), also known as a computer camera, computer eye, electronic eye, etc., is a video input device that is widely used in video conferencing, telemedicine, and real-time monitoring.

[0003] Laser ranging cameras, as a type of camera, can obtain target distances. However, most traditional laser ranging cameras are monocular, which has a low target acquisition success rate, low measurement accuracy, and a narrow viewing angle. Utility Model Content

[0004] The purpose of this utility model is to solve the problems existing in the prior art and provide a passive infrared thermal imaging 3D camera with multi-eye laser ranging, which combines two sets of binocular cameras, a binocular laser transmitter and multiple auxiliary cameras, improves the target acquisition success rate and the measurement accuracy of the ranging, increases the camera shooting range, has a larger viewing angle and a wider measurement range.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present utility model is as follows:

[0006] A multi-lens laser ranging passive infrared thermal imaging 3D camera comprises a spherical camera housing, a spherical camera bracket, and a bracket base. The spherical camera housing is provided with a camera front cover on the front side, which is provided with a first camera opening and a second camera opening. A laser emission port is provided at the top or bottom of the camera front cover. A pitch axis is provided on one side of the spherical camera housing, and a motor shaft hole is provided on the other side. A first camera, a second camera, and a laser emitter are provided within the spherical camera housing. The lenses of the first and second cameras are located within the first and second camera openings, respectively. The emitting end of the laser emitter is located within the laser emission port. The first and second cameras can be of different specifications, and at least one of them is a passive infrared thermal imaging camera.

[0007] The spherical camera bracket has a pivot hole on one side that is rotatably connected to the pitch axis, and a pitch motor is fixed on the other side. The pitch motor shaft of the pitch motor is fixedly connected to the motor shaft hole. The pitch motor rotates the spherical camera housing, thereby adjusting the pitch direction of the depth camera.

[0008] An auxiliary camera housing is fixed on the top of the bracket base, and several equally distributed auxiliary camera openings are set on the side of the auxiliary camera housing. Several auxiliary cameras are set in the auxiliary camera housing, and the lenses of the auxiliary cameras are located in the auxiliary camera openings. The spherical camera bracket is fixed on the top of the auxiliary camera housing, and the auxiliary camera increases the viewing angle of the camera.

[0009] Preferably, the number of the first camera openings is two and they are distributed vertically, and the number of the second camera openings is two and they are distributed horizontally. The central axes of the first camera opening and the second camera opening are perpendicular to each other.

[0010] Preferably, there are two laser emission ports, which are distributed on the left and right.

[0011] Preferably, a slot-type photoelectric sensor is fixedly provided on the spherical camera bracket on the side of the shaft hole, and a sensor block is provided on one side of the pitch shaft to limit the travel of the camera in the pitch direction.

[0012] Preferably, a limit block is provided on one side of the pitch axis to physically limit the travel of the camera in the pitch direction, so as to prevent the slot-type photoelectric sensor from failing and causing the camera rotation angle to exceed the structural design range.

[0013] Preferably, a bracket groove is provided on the top of the auxiliary camera housing, the bottom of the spherical camera bracket is placed in the bracket groove, and a wire hole is provided in the middle of the bracket groove.

[0014] Preferably, the auxiliary camera opening is distributed on the front half of the side surface of the auxiliary camera housing.

[0015] Preferably, the side surface of the auxiliary camera housing is a frustum.

[0016] Preferably, a horizontal rotation shaft is provided in the middle of the bottom of the bracket base, and a mounting interface is provided on the horizontal rotation shaft. The bracket base is connected to another horizontal rotation mechanism via the horizontal rotation shaft and the mounting interface. The horizontal rotation mechanism allows the camera to rotate horizontally, thereby adjusting the horizontal direction of the camera shooting.

[0017] The advantages of the present invention are that the camera of the present invention combines two sets of binocular cameras, a binocular laser emitter and multiple auxiliary cameras, which improves the target acquisition success rate and the measurement accuracy of the distance measurement, increases the camera shooting range, has a larger viewing angle and a wider measurement range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the main view of the utility model;

[0019] Figure 2 The three-dimensional Figure 1;

[0020] Figure 3 The three-dimensional Figure 2 ;

[0021] Figure 4 The spherical camera housing of the utility model is a three-dimensional Figure 1 ;

[0022] Figure 5 The spherical camera housing of the utility model is a three-dimensional Figure 2 ;

[0023] Figure 6 The spherical camera bracket of the utility model is a three-dimensional Figure 1 ;

[0024] Figure 7 The spherical camera bracket of the utility model is a three-dimensional Figure 2 ;

[0025] Figure 8 The three-dimensional structure of the support base in the utility model Figure 1 ;

[0026] Figure 9 The three-dimensional structure of the support base in the utility model Figure 2 .

[0027] Explanation of the main component symbols in the figure: 10, spherical camera housing; 11, camera front cover; 11.1, first camera opening; 11.2, second camera opening; 11.3, laser emission port; 12, pitch axis; 13, motor shaft hole; 14, sensor block; 15, limit block;

[0028] 20. Spherical camera bracket; 21. Rotating shaft hole; 22. Pitch motor; 23. Pitch motor shaft; 24. Slot-type photoelectric sensor;

[0029] 30. Bracket base; 31. Auxiliary camera housing; 31.1. Auxiliary camera opening; 31.2. Bracket groove; 31.3. Wire hole; 32. Auxiliary camera; 33. Horizontal rotation axis; 34. Mounting interface. DETAILED DESCRIPTION

[0030] In order to more clearly illustrate the present invention, the present invention will be further described below with reference to the accompanying drawings.

[0031] Example 1: Figure 1-3 As shown, a passive infrared thermal imaging 3D camera with multi-eye laser ranging includes a spherical camera housing 10, a spherical camera bracket 20 and a bracket base 30.

[0032] Combine Figure 4-5As shown, a camera front cover 11 is provided on the front side of the spherical camera housing 10, a first camera opening 11.1 and a second camera opening 11.2 are provided on the camera front cover 11, a laser emission port 11.3 is provided on the top or bottom of the camera front cover 11, a pitch axis 12 is provided on one side of the spherical camera housing 10, and a motor shaft hole 13 is provided on the other side.

[0033] Combine Figure 6-7 As shown, a rotation shaft hole 21 rotatably connected to the pitch rotation shaft 12 is provided on one side of the spherical camera bracket 20 , and a pitch motor 22 is fixed on the other side, and a pitch motor shaft 23 of the pitch motor 22 is rotationally fixed to the motor shaft hole 13 .

[0034] Combine Figure 8-9 As shown, an auxiliary camera housing 31 is fixed on the top of the bracket base 30, and several equally distributed auxiliary camera openings 31.1 are provided on the side of the auxiliary camera housing 31. Several auxiliary cameras 32 are provided in the auxiliary camera housing 31, and the lenses of the auxiliary cameras 32 are located in the auxiliary camera openings 31.1. The spherical camera bracket 20 is fixed on the top of the auxiliary camera housing 31.

[0035] Example 2: Figure 4-5 As shown, based on the first embodiment, the number of the first camera openings 11.1 is two and they are distributed vertically, and the number of the second camera openings 11.2 is two and they are distributed horizontally.

[0036] Furthermore, there are two laser emission ports 11.3, which are distributed on the left and right.

[0037] Example 3: Figure 4 and Figure 6 As shown, based on the first or second embodiment, a slot-type photoelectric sensor 24 is fixedly provided on the spherical camera bracket 20 on the side of the shaft hole 21 , and a sensor block 14 is provided on one side of the pitch shaft 12 .

[0038] Furthermore, a limit block 15 is provided on one side of the pitch axis 12 .

[0039] Example 4: Figure 8 As shown, based on Example 1, Example 2 or Example 3, a bracket groove 31.2 is provided on the top of the auxiliary camera housing 31, the bottom of the spherical camera bracket 20 is placed in the bracket groove 31.2, and a wire hole 31.3 is provided in the middle of the bracket groove 31.2.

[0040] Example 5: Figure 8-9As shown, based on the first, second, third or fourth embodiment, the auxiliary camera opening 31 . 1 is distributed on the front half of the side surface of the auxiliary camera housing 31 .

[0041] Furthermore, the side surface of the auxiliary camera housing 31 is a frustum.

[0042] Example 6: Figure 9 As shown, based on the above embodiment, a horizontal rotation shaft 33 is provided in the middle of the bottom of the bracket base 30 , and a mounting interface 34 is provided on the horizontal rotation shaft 33 .

[0043] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. The present invention can be used on similar products. Any changes or modifications made by any technician in this field within the scope of the present invention are covered by the patent scope of the present invention.

Claims

1. A passive infrared thermal imaging 3D camera with multi-lens laser ranging, characterized by: It comprises a spherical camera housing (10), a spherical camera bracket (20) and a bracket base (30); The front side of the spherical camera housing (10) is provided with a camera front cover (11), the camera front cover (11) is provided with a first camera opening (11.1) and a second camera opening (11.2), the top or bottom of the camera front cover (11) is provided with a laser emission port (11.3), one side of the spherical camera housing (10) is provided with a pitch axis (12), and the other side is provided with a motor shaft hole (13); One side of the spherical camera bracket (20) is provided with a rotation shaft hole (21) rotatably connected to the pitch rotation shaft (12), and the other side is fixed with a pitch motor (22), and the pitch motor shaft (23) of the pitch motor (22) is non-rotatably connected to the motor shaft hole (13); An auxiliary camera housing (31) is fixed on the top of the bracket base (30), a plurality of equally spaced auxiliary camera openings (31.1) are provided on the side of the auxiliary camera housing (31), a plurality of auxiliary cameras (32) are provided in the auxiliary camera housing (31), and lenses of the auxiliary cameras (32) are located in the auxiliary camera openings (31.1), and the spherical camera bracket (20) is fixed on the top of the auxiliary camera housing (31).

2. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to claim 1, characterized in that: The number of the first camera openings (11.1) is two and they are distributed vertically; the number of the second camera openings (11.2) is two and they are distributed horizontally.

3. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to claim 2, characterized in that: There are two laser emission ports (11.3), which are distributed on the left and right sides.

4. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to claim 1, characterized in that: A slot-shaped photoelectric sensor (24) is fixedly provided on the spherical camera bracket (20) on the side of the rotating shaft hole (21), and a sensor stopper (14) is provided on one side of the pitch rotating shaft (12).

5. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to claim 4, characterized in that: A limiting block (15) is provided on one side of the pitch rotation axis (12).

6. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to claim 1, characterized in that: A bracket groove (31.2) is provided on the top of the auxiliary camera housing (31), the bottom of the spherical camera bracket (20) is placed in the bracket groove (31.2), and a wire hole (31.3) is provided in the middle of the bracket groove (31.2).

7. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to claim 1, characterized in that: The auxiliary camera opening (31.1) is distributed on the front half of the side surface of the auxiliary camera housing (31).

8. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to claim 7, characterized in that: The side surface of the auxiliary camera housing (31) is a frustum.

9. The multi-lens laser ranging passive infrared thermal imaging 3D camera according to any one of claims 1 to 8, characterized in that: A horizontal rotating shaft (33) is provided in the middle of the bottom of the bracket base (30), and a mounting interface (34) is provided on the horizontal rotating shaft (33).

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