Fingerprint door stop controllerTechnical field
The present invention relates to fingerprint recognition field, in particular to a kind of fingerprint door stop controller.
Background technique
Fingerprint gate lock is currently used smart lock, and fingerprint gate lock is commonly used to a fingerprint controller, in operation, by handFinger protrudes into fingerprint identification area and carries out fingerprint recognition, but this mode can make the fingerprint on finger be retained after being to be completedOn identification panel, such drawback is to be easy to extract fingerprint by criminal, is illegally opened the door, therefore, currentIts safety has certain problems fingerprint gate lock when in use, and door-opening mode is simple, as long as there is fingerprint that can unlock.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of fingerprint door stop controllers, overturn traditional static identification sideFormula can effectively remove the fingerprint being adhered to above, and identification chamber must be connected by rotational angle, increase the complexity of unlockProperty, increase overall security.
The present invention is achieved through the following technical solutions: a kind of fingerprint door stop controller, including an installation base plate, peaceIt fills and a seal closure is set on the front end face of substrate, the intermediate of seal closure forms an operating cavity, opens up on the bottom surface of installation base plateOne arc groove, one identification camera of insertion setting, identifies that the camera lens face of camera faces arc groove on the bottom surface of arc grooveOuter openings end is located in arc groove and rolls one identification idler wheel of installation, identifies that the bottom part of idler wheel is buckled into arc groove, instituteA roller shaft is fixedly installed in the two sides for stating identification idler wheel respectively, and corresponding axis hole is provided on the seal closure of face roller shaft, rollsWheel shaft rotation is incorporated in axis hole, and the bottom of the identification idler wheel is provided with a lightproof area.
The lightproof area uses two shading glues as a preferred technical solution, is symmetrical set in identification idler wheelTwo sides of the bottom, form an identification transparent area between two pieces of shading glues, and identification idler wheel its transparent area in nature is taken the photograph with identificationAs the camera lens face of head misplaces.
The identification idler wheel is made of a transparent glass material as a preferred technical solution, whole rounded, outsideSide is shiny surface.
The two sides of the arc groove are respectively embedded into one piece of cleaning cotton, the outboard end of cleaning cotton as a preferred technical solution,With the identification idler wheel outer wall face contact buckled into.
The width of the identification idler wheel is greater than finger width as a preferred technical solution,.
The signal output end of the identification camera is connected to the signal input part of lock body as a preferred technical solution,.
The side of the seal closure is additionally provided with light filling lamp bead, light filling lamp bead power input as a preferred technical solution,It terminates into lock body power supply.
The outside of the roller shaft is set with a torque spring as a preferred technical solution, and roller shaft passes through torsion bulletSpring elasticity is incorporated in axis hole.
The beneficial effects of the present invention are: the one, present invention in operation, needs to rotate identification by the way of identifying idler wheelIdler wheel is identified again, after the completion of identification, by way of identifying idler wheel automatic homing, is wiped the fingerprint of upper end, is increased peaceQuan Xing；
Two, identification idler wheel of the invention must rotate a correct angle, so that identification transparent area turns to identification and takes the photographAs head camera lens face at identified again, therefore, if criminal does not know the rotational angle, be difficult will to identify that transparent area turnsIt moves to the identification face of identification camera, further increases the safety of fingerprint gate lock；
Three, the present invention can be always ensured that the cleanliness of identification idler wheel, increase and know due to being provided with automated cleaning componentClarity when other.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show belowThere is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only thisSome embodiments of invention for those of ordinary skill in the art without creative efforts, can be withIt obtains other drawings based on these drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram after present invention removal identification idler wheel；
Fig. 3 is the structural schematic diagram of identification idler wheel of the invention.
Specific embodiment
As depicted in figs. 1 and 2, this fingerprint door stop controller, including an installation base plate 6 are set on the front end face of installation base plate 6A seal closure 5 is set, the intermediate of seal closure 5 forms an operating cavity 2, open up an arc groove 11, arc on the bottom surface of installation base plate 6One identification camera 8 of insertion setting on the bottom surface of slot 11, the camera lens face of identification camera 8 face the outer openings of arc groove 11End is located at interior roll of arc groove 11 and installs an identification idler wheel 3, and the bottom part of identification idler wheel 3 is buckled into arc groove 11, identifiedA roller shaft 4 is fixedly installed in the two sides of idler wheel 3 respectively, is provided with corresponding axis hole, idler wheel on the seal closure 5 of face roller shaft 4The rotation of axis 4 is incorporated in axis hole, and the bottom of identification idler wheel 3 is provided with a lightproof area.
As shown in figure 3, lightproof area use two shading glues 7, be symmetrical set in identification idler wheel two sides of the bottom, two piecesAn identification transparent area 12 is formed between shading glue, identifies the camera lens of idler wheel 3 its transparent area and identification camera 8 in natureFace dislocation.
In the present embodiment, identification idler wheel 3 must be made of transparent use, therefore in the present embodiment, identification idler wheel is adoptedWith transparent glass material, whole rounded, lateral surface is shiny surface, when needing to identify, by finger buckle in identification idler wheelOn, after then stirring identification idler wheel to the angle of setting, conducting identifies transparent area, at this time the camera lens face of the identification camera of bottomIdentification transparent area is faced, finger of the light transmission camera lens make-up on identification idler wheel carries out fingerprint recognition, therefore operates also veryConvenience, and it is more interesting.
In the present embodiment, the two sides of arc groove 11 are respectively embedded into one piece of cleaning cotton 9, the outboard end of cleaning cotton 9 with buckle intoIdentify 3 outer wall face contact of idler wheel, cleaning cotton 9 is used to clean the latent prints in identification idler wheel outside wall surface, guarantees identification idler wheelCleanliness prevents from being replicated by criminal.
Wherein, identify that the width of idler wheel 3 is greater than finger width, which has to comply with the interval range of maximum finger, makeThere must be enough identification width.
In the present embodiment, the signal output end of identification camera 8 is connected to the signal input part of lock body, the side of seal closureIt is additionally provided with light filling lamp bead 13,13 power input of light filling lamp bead accesses lock body power supply, increases identification region by light filling lamp beadInterior illuminance identifies that the identification method of camera is consistent with tradition, therefore does not make repeating in concrete operating principle herein.
In the present embodiment, the outside of roller shaft 4 is set with a torque spring 1, and roller shaft 4 passes through 1 elasticity dress of torque springEnter in axis hole, by the way that torque spring is arranged, so that identification idler wheel, after rotating certain angle, playback can be realized in release,Due to contacting with cleaning cotton during playback, the fingerprint adhered on idler wheel can be identified with auto-erasing.
The beneficial effects of the present invention are: the one, present invention in operation, needs to rotate identification by the way of identifying idler wheelIdler wheel is identified again, after the completion of identification, by way of identifying idler wheel automatic homing, is wiped the fingerprint of upper end, is increased peaceQuan Xing；
Two, identification idler wheel of the invention must rotate a correct angle, so that identification transparent area turns to identification and takes the photographAs head camera lens face at identified again, therefore, if criminal does not know the rotational angle, be difficult will to identify that transparent area turnsIt moves to the identification face of identification camera, further increases the safety of fingerprint gate lock；
Three, the present invention can be always ensured that the cleanliness of identification idler wheel, increase and know due to being provided with automated cleaning componentClarity when other.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, anyThe change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the inventionProtection scope should be determined by the scope of protection defined in the claims.