Low-cost distance measurement camera under face recognition

Abstract

The utility model provides a low-cost distance measuring camera under face recognition. The low-cost distance measuring camera under face recognition comprises an adjusting structure, the adjusting structure comprises a base, the inner wall of the base is provided with a plurality of positioning holes uniformly distributed around the axis, the inner side of the base is rotatably connected with a rotating seat, one side of the surface of the rotating seat is provided with a sliding groove, and the sliding groove is provided with a sliding block; a sliding block is slidably connected into the sliding groove, a spring is fixedly connected between the sliding block and the inner wall of the sliding groove, a positioning column is fixedly connected to the surface of the side, away from the spring, of the sliding block, the positioning column is connected with the positioning hole in one side in an inserted mode, and a fixing block is fixedly connected to the top of the rotating base. The low-cost distance measuring camera under face recognition provided by the utility model has the advantages of lower manufacturing cost, reasonable distribution of internal parts of the camera, and convenience for a user to maintain or expand functions.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of camera, especially low cost measure distance camera under face recognition. BACKGROUND

[0002] Face recognition camera is the intelligent device of integrated computer vision and image acquisition hardware, realizes identity authentication or tracking through capturing face image, extracting features (such as five official outlines) and comparing with database, is widely used in security, payment, attendance and other fields, and relies on depth learning algorithm and infrared / 3D sensing technology to guarantee precision and anti-fake ability.

[0003] In order to be able to adjust camera focal length by measuring target distance, so as to ensure that face image is clear, part face recognition camera will be equipped with ranging function, but the overall manufacturing cost of equipment is higher, is inconvenient to promote and use, secondly, the internal components of the traditional camera structure are more, when maintaining or expanding function, it is often more troublesome to disassemble and assemble, is inconvenient to operate, and the design is not humanized enough.

[0004] Therefore, it is necessary to provide a new low cost measure distance camera under face recognition to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem to provide a low cost measure distance camera under face recognition with lower manufacturing cost, and the internal components of camera are reasonably distributed, and the user is convenient to maintain or expand function.

[0006] In order to solve the above technical problems, the utility model provides a low cost measure distance camera under face recognition, which comprises an adjusting structure, the adjusting structure comprises a base, a plurality of positioning holes are arranged on the inner wall of the base and are uniformly distributed around the axis, a rotating seat is rotatably connected to the inner side of the base, a sliding groove is formed on one side of the surface of the rotating seat, a sliding block is slidably connected in the sliding groove, a spring is fixedly connected between the sliding block and the inner wall of the sliding groove, a positioning column is fixedly connected to the surface of the sliding block away from the spring, and the positioning column is inserted into one side of the positioning hole.

[0007] The top of the rotating seat is fixedly connected with a fixed block, the fixed block is rotatably connected with a rotating part through a damping rotating shaft, the top of the rotating part is fixedly connected with an end cover, a cover body is arranged on one side of the end cover, a plurality of clamping blocks are arranged on the surface of the cover body and are uniformly distributed around the axis, a clamping groove corresponding to the clamping block is formed on the surface of the end cover on the side facing the cover body, and the clamping groove and the clamping block are clamped.

[0008] The inner wall of the end cover is fixedly connected with a fixing part, the top of the fixing part is fixedly connected with a master control unit, the surface of the fixing part on the front side of the master control unit is fixedly connected with a monocular camera module, an arc-shaped plate is arranged on the outer side of the monocular camera, the arc-shaped plate is fixedly connected with the fixing part through a connecting rod, a light supplementing lamp is installed on the surface of the arc-shaped plate, the surface of the fixing part on the lower side of the monocular camera module is fixedly connected with a distance measuring sensor, the surface of the fixing part on the rear side of the master control unit is fixedly connected with a power adapter, a WIFI expansion board and a network port expansion board, and the power adapter, the WIFI expansion board and the network port expansion board are distributed longitudinally.

[0009] As a further scheme of the utility model, the power adapter, the WIFI expansion board, the network port expansion board, the monocular camera module, the light supplementing lamp and the distance measuring sensor are electrically connected with the master control unit.

[0010] Through the above technical scheme, when the user needs to maintain each component inside the camera or expand additional functions, the three locking bolts fixing the first ear plate and the second ear plate can be unscrewed, and then the clamping block and the clamping groove are disengaged, so that the user can conveniently and intuitively check the condition of each component, and the operation is more efficient. Compared with the traditional scattered distribution mode, the structure design is more humanized. In addition, when the device is used, firstly, the monocular camera module shoots a face image, and the distance measuring sensor synchronously obtains scene distance data, then the space relationship parameters between the camera and the distance measuring sensor are calibrated in advance to map and match the camera picture coordinates and the distance measuring region of the distance measuring sensor, then the external algorithm is used to locate the face position in the image and extract the boundary box coordinates. Since the monocular camera module and the distance measuring sensor are not coaxial in the device, the distance measured by the distance measuring sensor needs to be mapped to the pixel coordinate system of the camera image through the previous calibration parameter conversion, and then the distance is matched. After that, the system extracts the face features and compares them with the external database to confirm the identity, and finally the face identity and the corresponding distance data are fused to output the result.

[0011] As a further scheme of the utility model, the outer surface of the end cover is fixedly connected with three first ear plates which are uniformly distributed around the axis, the surface of the first ear plate is inserted with a locking bolt, the surface of the cover body is fixedly connected with second ear plates which correspond to the first ear plates in position and number, the surface of the second ear plate is provided with a threaded hole, and the threaded hole is threadedly connected with the locking bolt on one side.

[0012] Through the above technical scheme, the cover body and the end cover are clamped through the cooperation of the clamping block and the clamping groove, and then three locking bolts are used for fastening, so that the device is convenient to disassemble.

[0013] As a further scheme of the utility model, the top of the cover body is fixedly connected with a rainproof plate, the end of the rainproof plate extends to the front side of the cover body, and the rainproof plate is arc-shaped.

[0014] Through the above technical scheme, the arc-shaped rainproof plate can reduce the rain hitting the surface of the cover body, and avoid affecting the normal shooting of the camera.

[0015] As a further scheme of the utility model, the bottom of the base is fixedly connected with a support arm, the end of the support arm is fixedly connected with a mounting piece, and the surface of the mounting piece is provided with a fixing hole at each corner position.

[0016] Through the above technical scheme, the device can be fixed to a suitable position in the room as a whole through the cooperation of the external bolt and the mounting piece.

[0017] As a further scheme of the utility model, the surface of the rotating seat is fixedly connected with a first limiting piece at one side edge position, a second limiting piece is arranged at the position on one side of the first limiting piece, and the second limiting piece is fixedly connected with the base.

[0018] Through the above technical scheme, by arranging the first limiting piece and the second limiting piece, the rotating seat can be prevented from rotating by 360 degrees without dead angle, so that the internal cables are prevented from being excessively twisted together.

[0019] As a further scheme of the utility model, the top of the sliding block is fixedly connected with a pushing block, and the pushing block extends to the outside of the sliding groove.

[0020] Through the above technical scheme, the device adopts a monocular camera module with low cost, and the pitch angle adjustment of the camera is completed by the cooperation of the damping rotating shaft between the rotating piece and the fixed block, and the direction adjustment is completed by the cooperation of the telescopic positioning column on the rotating seat and the positioning hole in the inner wall of the base. Compared with the traditional driving mode through the motor and the gear and the multi-lens camera, the device has lower cost and is more convenient to use and promote, and is reasonable in design.

[0021] Compared with the related art, the low-cost distance measuring camera under face recognition has the following beneficial effects:

[0022] 1. In the device, when a user needs to maintain each component in the camera or expand additional functions, three locking bolts fixing the first ear plate and the second ear plate can be unscrewed, and then the clamping block and the clamping groove are disengaged, so that the user can conveniently and intuitively check the condition of each component, and the operation is more efficient. Compared with the traditional scattered distribution mode, the structure design is more humanized.

[0023] 2、 The device adopts a single camera module with low cost, and the pitch angle adjustment of the camera adopts a damping rotating shaft between the rotating part and the fixed block, and the direction adjustment is completed by matching the telescopic positioning column on the rotating seat with the positioning hole in the inner wall of the base, compared with the traditional driving mode through the motor and the gear and the multi-camera, the cost is lower, it is more convenient to popularize and use, and the design is reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to facilitate those skilled in the art to understand, the utility model will be further described below in combination with the drawings.

[0025] Figure 1 It is the overall structure schematic drawing of low cost distance measuring camera under face recognition in the utility model;

[0026] Figure 2 It is the overall structure schematic drawing of low cost distance measuring camera under face recognition in the utility model; Figure One ;

[0027] Figure 3 It is the overall structure schematic drawing of low cost distance measuring camera under face recognition in the utility model; Figure Two ;

[0028] Figure 4 It is the overall structure schematic drawing of low cost distance measuring camera under face recognition in the utility model; Figure Three .

[0029] Main symbol explanation:

[0030] 1, mounting piece, 2, support arm, 3, adjusting structure, 4, fixed block, 5, rotating part, 6, end cover, 7, cover, 8, rain shield, 9, first ear plate, 10, first limiting piece, 11, second limiting piece, 12, rotating seat, 13, base, 14, positioning hole, 15, spring, 16, sliding block, 17, positioning column, 18, fixed piece, 19, arc plate, 20, power adapter, 21, main control unit, 22, distance measuring sensor, 23, second ear plate, 24, clamping block, 25, clamping groove, 26, network port expansion board, 27, WIFI expansion board, 28, light supplementing lamp, 29, single camera module. DETAILED DESCRIPTION

[0031] Please combine Figures 1-4 , wherein, Figure 1 It is the overall structure schematic drawing of low cost distance measuring camera under face recognition in the utility model; Figure 2The utility model discloses a low -cost distance measurement camera under the local structure split schematic of face recognition of part Figure One ; Figure 3 The utility model discloses a low -cost distance measurement camera under the local structure split schematic of face recognition of part Figure Two ; Figure 4 The utility model discloses a low -cost distance measurement camera under the local structure split schematic of face recognition of part Figure Three A low -cost distance measurement camera under the local structure split schematic of face recognition of part

[0032] Adjusting structure 3, adjusting structure 3 including base 13, the inner wall of base 13 is set up with a plurality of around the axis center evenly distribution's locating hole 14, the inner side of base 13 is rotatably connected with rotating seat 12, and the surface one side position of rotating seat 12 is set up with sliding slot, and the inside sliding connection of sliding slot has sliding block 16, and the fixed connection of spring 15 between sliding block 16 and sliding slot inner wall, the surface fixed connection of sliding block 16 of far side spring 15 side has locating column 17, and locating column 17 is inserted with one side locating hole 14;

[0033] The top of rotating seat 12 is fixedly connected with fixed block 4, and fixed block 4 is rotatably connected with rotating piece 5 through damping pivot, and the top of rotating piece 5 is fixedly connected with end cover 6, and the one side position of end cover 6 is provided with cover 7, and the surface of cover 7 is set up with a plurality of around the axis center evenly distribution's clamping block 24, and the surface of end cover 6 towards cover 7 side is set up with the clamping groove 25 corresponding with clamping block 24, and clamping groove 25 and clamping block 24 are clamped between;

[0034] The inner wall of end cover 6 is fixedly connected with fixed part 18, and the top of fixed part 18 is fixedly connected with main control unit 21, and the surface of fixed part 18 located in the front side of main control unit 21 is fixedly connected with monocular camera module 29, and the position located in the outer side of monocular camera is provided with arc plate 19, and arc plate 19 is fixedly connected with fixed part 18 through connecting rod, and arc plate 19 surface is installed with light supplementing lamp 28, and the surface of fixed part 18 located in the lower side of monocular camera module 29 is fixedly connected with distance measuring sensor 22, and the surface of fixed part 18 located in the rear side of main control unit 21 is fixedly connected with power adapter 20, WIFI expansion board 27 and network port expansion board 26, and power adapter 20, WIFI expansion board 27 and network port expansion board 26 are vertically distributed.

[0035] As Figures 1-4 Indicated, power adapter 20, WIFI expansion board 27, network port expansion board 26, monocular camera module 29, light supplementing lamp 28 and distance measuring sensor 22 are electrically connected with main control unit 21.

[0036] When the user needs to maintain the components inside the camera or expand additional functions, the three locking bolts fixing the first ear plate 9 and the second ear plate 23 can be unscrewed, and then the clamping block 24 and the clamping groove 25 are disengaged. Since the electronic components are reasonably distributed on the fixing part 18, and the fixing part 18 is directly exposed outside after the cover body 7 is disassembled, the user can conveniently and intuitively check the condition of each component, and the operation is more efficient. Compared with the traditional scattered distribution method, the structure design is more humanized. In addition, when the device is in use, first, the monocular camera module 29 is used to shoot a face image, and the ranging sensor 22 is used to synchronously obtain scene distance data. Then, the spatial relationship parameters between the camera and the ranging sensor 22 are calibrated in advance to map and match the camera picture coordinates and the ranging area of the ranging sensor 22. Next, the external algorithm is used to locate the face position in the image and extract the boundary box coordinates. Since the monocular camera module 29 and the ranging sensor 22 are not coaxial in the device, the coordinate conversion is needed through the previous calibration parameters to map the distance measured by the ranging sensor 22 to the pixel coordinate system of the camera image, and then match the distance. After that, the system extracts the face features and compares them with the external database to confirm the identity. Finally, the face identity and the corresponding distance data are fused to output the result.

[0037] As shown in Figures 1-4 , the outer surface of the end cover 6 is fixedly connected with three first ear plates 9 uniformly distributed around the axis, and the surface of the first ear plate 9 is inserted with a locking bolt. The surface of the cover body 7 is fixedly connected with second ear plates 23 corresponding in position and number to the first ear plates 9, and the surface of the second ear plate 23 is provided with a threaded hole which is threadedly connected with the locking bolt on one side.

[0038] The cover body 7 and the end cover 6 are clamped by the cooperation of the clamping block 24 and the clamping groove 25, and then fastened by the three locking bolts, so it is relatively convenient to disassemble.

[0039] As shown in Figures 1-4 , the top of the cover body 7 is fixedly connected with a rainproof plate 8, and the end of the rainproof plate 8 extends to the front side of the cover body 7, and the rainproof plate 8 is arc-shaped.

[0040] The arc-shaped rainproof plate 8 can reduce the rain hitting the surface of the cover body 7, avoiding affecting the normal shooting of the camera.

[0041] As shown in Figures 1-4 , the bottom of the base 13 is fixedly connected with a support arm 2, and the end of the support arm 2 is fixedly connected with a mounting part 1, and the surface of the mounting part 1 is provided with a fixing hole at each corner position.

[0042] The device can be fixed to a suitable position in the room by cooperating with the mounting part 1 through external bolts.

[0043] As Figures 1-4 The surface side edge position of the rotating seat 12 is fixedly connected with the first limiting piece 10, the position of the first limiting piece 10 side is provided with the second limiting piece 11, and the second limiting piece 11 is fixedly connected with the base 13.

[0044] By setting the first limiting piece 10 and the second limiting piece 11, the rotating seat 12 can be prevented from rotating 360 degrees without dead angle, so that the internal cable is prevented from being excessively twisted together.

[0045] As Figures 1-4 The top of the sliding block 16 is fixedly connected with the knob, and the knob extends to the outside of the sliding groove.

[0046] The device adopts a single camera module 29 with low cost, and the pitch angle adjustment of the camera adopts a damping rotating shaft between the rotating piece 5 and the fixed block 4, and the direction adjustment is completed by cooperation of the telescopic positioning column 17 on the rotating seat 12 and the positioning hole 14 in the inner wall of the base 13, compared with the traditional driving mode through the motor and the gear and the multi-camera, the cost is lower, and the device is more convenient to popularize and use, and the design is reasonable.

[0047] The working principle of the low-cost distance measuring camera under face recognition provided by the utility model is as follows:

[0048] The first step: in the device, when the user needs to maintain each component in the camera or expand additional functions, three locking bolts fixing the first ear plate 9 and the second ear plate 23 can be unscrewed, then the clamping block 24 and the clamping groove 25 are separated from the clamping, and each electronic element in the structure is reasonably distributed on the fixing piece 18, and the fixing piece 18 is directly exposed outside after the cover body 7 is disassembled, so that the user can conveniently and intuitively check the condition of each component, and the operation efficiency is higher, compared with the traditional scattered distribution mode, the structure design is more humanized.

[0049] The second step: the device adopts a single camera module 29 with low cost, and the pitch angle adjustment of the camera adopts a damping rotating shaft between the rotating piece 5 and the fixed block 4, and the direction adjustment is completed by cooperation of the telescopic positioning column 17 on the rotating seat 12 and the positioning hole 14 in the inner wall of the base 13, compared with the traditional driving mode through the motor and the gear and the multi-camera, the cost is lower, and the device is more convenient to popularize and use, and the design is reasonable.

[0050] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described clearly in the technical principle of the design, and under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the field;

[0051] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, and the components known by the technical personnel in the field, the structure and principle thereof can be known by the technical personnel through technical manuals or through conventional experimental methods.

[0052] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations or direct or indirect application can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents, and the same reason includes the patent protection range of the utility model.

Claims

1. A low-cost measuring distance camera under face recognition, characterized in that, Including the adjusting structure (3), the adjusting structure (3) includes the base (13), the inner wall of the base (13) is provided with a plurality of positioning holes (14) uniformly distributed around the axis, the inner side of the base (13) is rotatably connected with a rotating seat (12), the surface of the rotating seat (12) is provided with a sliding groove, the sliding groove is slidably connected with a sliding block (16), the sliding block (16) and the inner wall of the sliding groove are fixedly connected with a spring (15), the surface of the sliding block (16) away from the spring (15) is fixedly connected with a positioning column (17), the positioning column (17) is inserted with the positioning hole (14) on one side, The top of the rotating seat (12) is fixedly connected with a fixed block (4), the fixed block (4) is rotatably connected with a rotating piece (5) through a damping rotating shaft, the top of the rotating piece (5) is fixedly connected with an end cover (6), one side of the end cover (6) is provided with a cover body (7), the surface of the cover body (7) is provided with a plurality of clamping blocks (24) uniformly distributed around the axis, the surface of the end cover (6) towards the cover body (7) is provided with a clamping groove (25) corresponding to the clamping block (24), the clamping groove (25) and the clamping block (24) are clamped; The inner wall of the end cover (6) is fixedly connected with a fixed part (18), the top of the fixed part (18) is fixedly connected with a main control unit (21), the surface of the fixed part (18) located in front of the main control unit (21) is fixedly connected with a monocular camera module (29), an arc-shaped plate (19) is arranged at the position outside the monocular camera, the arc-shaped plate (19) is fixedly connected with the fixed part (18) through a connecting rod, the surface of the arc-shaped plate (19) is provided with a light supplementing lamp (28), the surface of the fixed part (18) located below the monocular camera module (29) is fixedly connected with a distance measuring sensor (22), the surface of the fixed part (18) located behind the main control unit (21) is fixedly connected with a power adapter (20), a WIFI expansion board (27) and a network port expansion board (26), the power adapter (20), the WIFI expansion board (27) and the network port expansion board (26) are longitudinally distributed.

2. The low cost measuring distance camera under face recognition of claim 1, wherein, The power adapter (20), the WIFI expansion board (27), the network port expansion board (26), the monocular camera module (29), the light supplementing lamp (28) and the distance measuring sensor (22) are electrically connected with the main control unit (21).

3. The low cost measuring distance camera under face recognition of claim 2, wherein, The outer surface of the end cover (6) is fixedly connected with three first ear plates (9) uniformly distributed around the axis, the surface of the first ear plate (9) is inserted with a locking bolt, the surface of the cover body (7) is fixedly connected with a second ear plate (23) corresponding to the first ear plate (9) in position and quantity, the surface of the second ear plate (23) is provided with a threaded hole, and the threaded hole is threadedly connected with the locking bolt on one side.

4. The low cost measuring distance camera under face recognition of claim 3, wherein, The top of the cover body (7) is fixedly connected with a rainproof plate (8), the end of the rainproof plate (8) extends to the front side of the cover body (7), and the rainproof plate (8) is arc-shaped.

5. The low cost measuring distance camera under face recognition of claim 4, wherein, The bottom of the base (13) is fixedly connected with a supporting arm (2), the end of the supporting arm (2) is fixedly connected with a mounting piece (1), and the surface of the mounting piece (1) is provided with a fixing hole at the four corner positions.

6. The low cost measuring distance camera under face recognition of claim 5, wherein, The surface of one side edge of the rotating seat (12) is fixedly connected with a first limiting piece (10), and a second limiting piece (11) is arranged at the position on one side of the first limiting piece (10) and is fixedly connected with the base (13).

7. The low cost measuring distance camera under face recognition of claim 6, wherein, The top of the sliding block (16) is fixedly connected with a pushing block, and the pushing block extends to the outside of the sliding groove.

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