CN212562810U

CN212562810U - Camera adapter, camera and intelligent lock

Info

Publication number: CN212562810U
Application number: CN202020561759.8U
Authority: CN
Inventors: 张匡辉; 贺茂元; 江俊
Original assignee: Huizhou Shiwei New Technology Co Ltd
Current assignee: Huizhou Shiwei New Technology Co Ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-02-19
Anticipated expiration: 2030-04-15
Also published as: WO2021208562A1

Abstract

The utility model discloses a camera adapter rack, a camera and an intelligent door lock, wherein the camera adapter rack comprises a top plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are arranged at two ends of the top plate; the camera module is characterized in that a kidney-shaped groove is formed in the top plate, an inclined plane clamping groove is formed in the lower surface of the top plate, and an assembly surface defined by the lower surface of the top plate and the surface of the inclined plane clamping groove is matched with the mounting surface of the camera module. At least one part of the camera module is arranged in the inclined plane clamping groove on the lower surface of the top plate, and the camera in the camera module is arranged in the kidney-shaped groove, so that the camera is further guided by utilizing the kidney-shaped groove after being inclined for a certain angle, and the human face recognition in a wider range is realized; the utility model discloses embodiment provides a camera adapter rack is the problem of scope undersize when effectively having eliminated camera face identification to provide convenience for the user.

Description

Camera adapter, camera and intelligent lock

Technical Field

The utility model relates to an intelligence lock technical field, in particular to camera adapter rack, camera and intelligent lock.

Background

Along with the development of science and technology, the intelligent degree of intelligent lock is higher and higher, and intelligent lock also obtains the wide application in daily life, for example, the intelligent lock on the market all can have face identification function at present.

On the door of intelligent lock general installation door 1 meters eminence from the ground in daily life (for being convenient for hold the handle on the lock, also accord with traditional lock design position), the camera direct mount that has face identification function is on the panel of intelligent lock, and because the position of intelligent lock installation is not high, consequently can't cover adult's height in the imaging range on its face identification vertical height direction when carrying out face identification, often causes the discernment success rate to hang down.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a camera adapter rack, camera and intelligent lock aims at overcoming the defect of the intelligent lock undersize when carrying out face identification among the prior art.

The utility model provides a technical scheme that technical problem adopted as follows:

in a first aspect, an embodiment of the present invention provides a camera adapter for fixing a camera module, wherein the camera adapter comprises a top plate, and a first side plate and a second side plate disposed at two ends of the top plate; the camera module is characterized in that a kidney-shaped groove is formed in the top plate, an inclined plane clamping groove is formed in the lower surface of the top plate, and an assembly surface defined by the lower surface of the top plate and the surface of the inclined plane clamping groove is matched with the mounting surface of the camera module.

As a further improved technical solution, in the camera adapter, the kidney-shaped groove includes a groove top hole formed on the upper surface of the top plate, a groove bottom hole formed on the surface of the inclined groove, and a groove wall connecting the groove top hole and the groove bottom hole.

As a further improved technical scheme, in the camera adapter, the slot top hole is a waist-shaped hole, the slot bottom hole is a round hole, and the slot wall is an inclined surface.

As a further improved technical solution, in the camera adapter, an inclination angle of the surface of the inclined-surface clamping groove with respect to the upper surface of the top plate is a first angle, the camera module includes a camera, an imaging angle of the camera perpendicular to the upper surface of the top plate is a second angle, and the first angle is smaller than or equal to one-half of the second angle.

As a further improved technical scheme, in the camera adapter, the camera module further comprises a flash lamp, and a shading part is arranged around the kidney-shaped groove corresponding to the flash lamp.

As a further improved technical solution, in the camera adapter, the kidney-shaped slot corresponding to the flash lamp is larger than the kidney-shaped slot corresponding to the camera.

As a further improved technical scheme, in the camera adapter, fastening screw holes are arranged on two sides of the inclined groove, and the fastening screw holes are used for fixing the camera module.

As a further improved technical solution, in the camera adapter, the first side plate and the second side plate are symmetrical to each other, and the first side plate and the second side plate are both provided with at least four bolt connection plates, the bolt connection plates on the first side plate are perpendicular to the first side plate, and the bolt connection plates on the second side plate are perpendicular to the second side plate.

In a second aspect, an embodiment of the present invention provides a camera, wherein, including the above-mentioned camera adapter rack.

The embodiment of the utility model provides a third aspect, the utility model provides an intelligence lock, wherein, including foretell camera.

Compared with the prior art, the embodiment of the utility model provides a have following advantage:

the embodiment of the utility model provides a camera adapter rack, which comprises a top plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are arranged at the two ends of the top plate; the camera module is characterized in that a kidney-shaped groove is formed in the top plate, an inclined plane clamping groove is formed in the lower surface of the top plate, and an assembly surface defined by the lower surface of the top plate and the surface of the inclined plane clamping groove is matched with the mounting surface of the camera module. At least one part of the camera module is arranged in the inclined plane clamping groove on the lower surface of the top plate, and the camera in the camera module is arranged in the kidney-shaped groove, so that the camera is further guided by utilizing the kidney-shaped groove after being inclined for a certain angle, and the human face recognition in a wider range is realized; the utility model discloses embodiment provides a camera adapter rack is the problem of scope undersize when effectively having eliminated camera face identification to provide convenience for the user.

Drawings

Fig. 1 is a schematic structural view of a camera adapter provided by the present invention;

fig. 2 is a top view of a camera adapter provided by the present invention;

FIG. 3 is a schematic structural diagram of a camera module;

fig. 4 is an assembly schematic diagram of a camera adapter and a camera module according to the present invention;

fig. 5 is a first schematic diagram of a camera adapter for face recognition according to the present invention;

fig. 6 is through the utility model provides a second schematic diagram when camera adapter rack carries out face identification.

In the figure: 100. a top plate; 200. a first side plate; 300. a second side plate; 400. a camera module; 500. a light shielding member; 600. a screw joint plate; 101. a lower surface of the top plate; 110. a kidney-shaped groove; 120. an inclined plane clamping groove; 121. fastening screw holes; 111. a slot top hole; 112. a slot bottom hole; 113. a trench wall; 410. a camera; 420. a flash lamp.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to fig. 3, fig. 1 is a schematic structural diagram of a camera adapter according to the present invention; fig. 2 is a top view of a camera adapter provided by the present invention; fig. 3 is a schematic structural diagram of the camera module. The utility model provides a camera adapter rack is used for placing camera module 400, camera module 400 includes camera 410 and flash light 420, wherein, the camera adapter rack includes: a top plate 100, and a first side plate 200 and a second side plate 300 disposed at both ends of the top plate 100; the first side plate 200 and the second side plate 300 are perpendicular to the top plate 100, the top plate 100 is provided with a waist-shaped groove 110, the lower surface of the top plate 100 is provided with an inclined groove 120, an assembly surface defined by the lower surface 101 of the top plate 100 and the surface of the inclined groove 120 is matched with the mounting surface 401 of the camera module 400, the inclined groove 120 is used for placing at least a part of the camera module 400, and the camera 410 and the flash lamp 420 are correspondingly arranged in the waist-shaped groove 110.

The kidney-shaped groove 110 is a through hole, and penetrates from the upper surface of the top plate 100 to the bottom surface of the top plate 100. Specifically, kidney slot 110 is including seting up the groove top hole 111 of the upper surface of roof 100, seting up the groove bottom hole 112 on the surface of inclined plane draw-in groove 120 and connection groove top hole 111 with the cell wall 113 of groove bottom hole 112, wherein, groove top hole 111 is greater than groove bottom hole 112, groove top hole 111 is kidney hole, groove bottom hole 112 is the round hole, just the centre of a circle of groove top hole 111 with the centre of a circle of groove bottom hole 112 is not in same axis, cell wall 113 is the inclined plane. Specifically, the slot top hole 112 includes circular arc edges at both ends and straight edges at both sides, and the slot wall 113 is inclined along the slot top hole 112 to connect the slot top hole 111 with the slot bottom hole 112. Benefiting from the structure that the slot top hole is large and the slot bottom hole is small, the slot wall connecting the slot top hole and the slot bottom hole is an inclined plane, so that the external light is more favorably guided into the slot, the camera arranged in the kidney-shaped slot can shoot images in a larger area, and further, the flash lamp arranged in the kidney-shaped slot can fully emit light.

Optionally, the camera adapter needs to be installed in another device (for example, an intelligent door lock) during application, so that the whole material of the camera adapter can be selected from PC (polycarbonate) in order to avoid damaging other components.

In the embodiment of the present invention, please refer to fig. 3 and fig. 4, and fig. 4 is an assembly schematic diagram of a camera adapter and a camera module according to the present invention. The camera adapter rack can be used for being placed in an intelligent door lock, wherein an inclined plane clamping groove 120 is formed in the lower surface of a top plate 100 of the camera adapter rack, and the inclined plane clamping groove 120 is matched with at least one part of a camera module 400 installed on the camera adapter rack in shape. In actual use, the camera module 400 is provided with a camera 410 and a flash 420. For example, the camera module 400 may include two cameras 410 and a flash 420, the flash 420 is located between the two cameras 410 and is in the same line with the two cameras 410, and at least a portion of the camera module 400 may be disposed in the inclined groove 120 by fitting the mounting surface 401 of the camera module 400 to the mounting surface defined by the lower surface 101 of the top plate and the surface of the inclined groove 120, so that the entire camera module 400 may be inclined at a certain angle, wherein the camera module 400 may be screwed or bonded and fixed in the inclined groove.

Referring to fig. 1, optionally, fastening screw holes 121 are formed on two sides of the inclined slot 120, and are used for fixing the camera module 400, wherein screw holes (not shown) are also formed in corresponding positions on two sides of the camera module 400, and are communicated with the fastening screw holes, and are used for fixing the camera module 400 in the inclined slot 120 in a threaded manner.

Further, the top plate 100 is provided with three kidney slots 110 on the surface correspondingly, through with camera 410 and flash light 420 in the camera module 400 all set up in the kidney slot 110 that corresponds for camera 410 after the certain angle of slope draw-in groove slope can utilize the entering of the slope cell wall 113 guide outside light of kidney slot 110, finally make the scope that camera 410 discerned bigger, and is the same, the usable slope cell wall 113 of flash light after the slope of slope draw-in groove fully disperses light, so that the region of shooing of camera 410 is more clear. It should be understood that the specific number of the slots 110 corresponds to the number of the cameras 410 and the flash lamps 420 on the camera module 400 in practical situations.

Specifically, please refer to fig. 5 and 6, fig. 5 is a first schematic diagram of a camera adapter for face recognition according to the present invention; fig. 6 is through the utility model provides a second schematic diagram when camera adapter rack carries out face identification. The inclined angle of the surface of the inclined plane clamping groove 120 relative to the upper surface of the top plate 100 is a first angle a, the imaging angle of the camera 410 perpendicular to the upper surface of the top plate 100 is a second angle D, and the first angle a is smaller than or equal to one-half of the second angle D, that is, a is smaller than or equal to D/2. The first angle a is also the inclined angle at which the camera module 400 is placed in the inclined slot 120. It should be understood that, for the magnitude of the first angle a, the adjustment should be made according to the actual situation, and therefore, the adjustment range should satisfy a ≦ D/2.

When the camera is actually used, the maximum height value Lmax and the minimum height value Lmin identified by the camera 410 can be obtained by adjusting the size of the first angle a within a preset range; when the first angle a is maximum (a ═ D/2), the height value identified by the camera is Lmax; when the first angle is the minimum (a ═ 0), the height value recognized by the camera 410 is Lmin. When a person is 0.5m away from the camera, the camera 410 is installed at a height of 1m from the ground,

(ii) said Lmax ═ 1+0.5 × TAN (D/2+ a) (unit: m);

the Lmin is 1-0.5 TAN (D/2-A) (unit: meter);

therefore, the camera module to be installed is inclined upwards by a first angle A through the camera adapter, so that the coverage area of the imaging angle of the camera module is adjusted, the height value of face recognition is increased, and the function of waist-shaped groove light guide is further combined, so that a larger face recognition range is covered.

It is worth mentioning that, traditional intelligent lock often causes face identification's success rate to reduce because of the dim reason of surrounding environment's light when carrying out face identification, consequently, carries out the light filling through adding flash light 420 in the camera module 400 at intelligent lock among the prior art in order to improve face identification success rate, consequently the utility model provides a still be provided with the kidney slot 110 who matches flash light 420 on the camera switching frame. The flash lamp can fully radiate light by being arranged in the kidney-shaped groove, but the light emitted by the flash lamp 420 during light compensation is easily reflected to the camera 410, which also reduces the success rate of face recognition of the camera 410.

As a further scheme, the light shielding members 500 are disposed around the kidney-shaped groove 110 corresponding to the flash lamp 420, and when the camera 410 and the flash lamp 420 in the camera module 400 are respectively disposed in the kidney-shaped groove 110, by disposing one layer of light shielding member 500 around the surface of the kidney-shaped groove 110 corresponding to the flash lamp 420, light emitted by the flash lamp 420 can be effectively shielded and absorbed, thereby preventing the camera 410 from being affected by the flash lamp 420, and enabling the camera 410 to clearly identify a shot area during face recognition. Preferably, the light shielding member 500 is light shielding cotton, and the light shielding cotton is arranged around the kidney-shaped slot 110 corresponding to the flash lamp 420 in a rectangular shape. Wherein, the shading cotton can adopt EPE (polyethylene foam cotton) material.

For better light supplement, the size of the kidney-shaped slot corresponding to the flash lamp 420 may be set to be larger than the size of the kidney-shaped slot corresponding to the camera.

More specifically, referring to fig. 2, the top plate 100 is perpendicular to the first side plate 200 and the second side plate 300 respectively, the first side plate 200 and the second side plate 300 are parallel to each other, and the first side plate 200 and the second side plate 300 are symmetrical. The first side plate 200 and the second side plate 300 are respectively provided with at least four screw joint plates 600, the screw joint plates 600 on the first side plate 200 are respectively arranged on two side faces of the first side plate 200 and are perpendicular to the first side plate 200, and the screw joint plates 600 on the second side plate 300 are respectively arranged on two side faces of the second side plate 300 and are perpendicular to the second side plate 300. Each of the screw connection plates 600 is provided with a screw connection hole for fixing with an external component. For example, when the camera adapter rack needs to be installed in the intelligent door lock, the camera adapter rack can be tightly connected with other components in the intelligent door lock through the screw holes on the first side plate 200 and the second side plate 300.

The working principle of the camera adapter bracket of the embodiment is as follows:

through setting up camera module 400 partly at least in camera adapter's inclined plane draw-in groove 120 to make whole camera module 400 slope certain angle (first angle A), further, correspond on the roof 100 and be provided with a plurality of kidney slots 110, through with camera 410 and flash light 420 in camera module 400 are all fixed to be set up in the kidney slot 110 that corresponds, make camera 410 can utilize the entering of the arc surface cell wall 113 of kidney slot 110's slope to guide outside light, thereby make the camera utilize the kidney slot leaded light behind the certain angle of slope, realize the face identification in the wider range. Further, by arranging a layer of light shielding part 500 around the surface of the kidney-shaped groove 110 corresponding to the flash lamp 420, light emitted by the flash lamp 420 can be effectively isolated, and the camera 410 is prevented from being affected by the flash lamp 420, so that the camera 410 can clearly identify a shot area when performing face recognition.

Example two:

the utility model discloses on the basis of above-mentioned camera switching frame, still disclose a camera, wherein, including foretell camera switching frame. It should be understood that the camera certainly includes other structures, which are all in the prior art, and therefore, the details are not described herein.

Example three:

the utility model discloses on the basis of above-mentioned camera adapter rack, still disclose an intelligent lock, wherein, including above-mentioned camera. It should be understood that the intelligent door lock of course also includes other structures, which are all in the prior art, and therefore, the detailed description thereof is omitted here.

In summary, the utility model provides a camera adapter, a camera and an intelligent door lock, wherein, the camera adapter comprises a top plate, a first side plate and a second side plate which are arranged at the two ends of the top plate; the camera module is characterized in that a kidney-shaped groove is formed in the top plate, an inclined plane clamping groove is formed in the lower surface of the top plate, and an assembly surface defined by the lower surface of the top plate and the surface of the inclined plane clamping groove is matched with the mounting surface of the camera module. At least one part of the camera module is arranged in the inclined plane clamping groove on the lower surface of the top plate, and the camera in the camera module is arranged in the kidney-shaped groove, so that the camera is further guided by utilizing the kidney-shaped groove after being inclined for a certain angle, and the human face recognition in a wider range is realized; the utility model discloses embodiment provides a camera adapter rack is the problem of scope undersize when effectively having eliminated camera face identification to provide convenience for the user.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

Claims

1. A camera adapter bracket is used for fixing a camera module and is characterized by comprising a top plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are arranged at two ends of the top plate; the camera module is characterized in that a kidney-shaped groove is formed in the top plate, an inclined plane clamping groove is formed in the lower surface of the top plate, and an assembly surface defined by the lower surface of the top plate and the surface of the inclined plane clamping groove is matched with the mounting surface of the camera module.

2. The camera adapter of claim 1, wherein said kidney-shaped slot comprises a slot top hole formed in an upper surface of said top plate, a slot bottom hole formed in a surface of said beveled slot, and a slot wall connecting said slot top hole and said slot bottom hole.

3. The camera adapter of claim 2, wherein said slot top hole is a kidney-shaped hole, said slot bottom hole is a circular hole, and said slot wall is a sloped surface.

4. The camera adapter of claim 1, wherein the surface of the beveled clamping slot is inclined at a first angle relative to the upper surface of the top plate, the camera module comprises a camera, the imaging angle of the camera perpendicular to the upper surface of the top plate is a second angle, and the first angle is less than or equal to one-half of the second angle.

5. The camera adapter of claim 4, wherein the camera module further comprises a flash lamp, and a light shielding member is disposed around the kidney-shaped slot corresponding to the flash lamp.

6. The camera adapter of claim 5, wherein the slot corresponding to the flash is larger than the slot corresponding to the camera.

7. The camera adapter according to claim 1, wherein fastening screw holes are provided on both sides of the inclined groove, and the fastening screw holes are used for fixing the camera module.

8. The camera adapter according to claim 1, wherein the first side plate and the second side plate are symmetrical to each other, and each of the first side plate and the second side plate is provided with at least four bolt connection plates, the bolt connection plates on the first side plate are perpendicular to the first side plate, and the bolt connection plates on the second side plate are perpendicular to the second side plate.

9. A camera head comprising a camera head adapter according to any one of claims 1 to 8.

10. An intelligent door lock, characterized by comprising the camera of claim 9.