JP2004084181A - Fingeprint recognition type antitheft door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fingerprint recognition type antitheft door, which can recognizes a fingerprint from the inside and outside of a room while being simply installed even to a general household. <P>SOLUTION: In the antitheft door with a fingerprint recognition section 1 composed of a fingerprint detecting window 11 and an image sensor 12, a fingerprint collating section 2 collating and deciding the coincidence or discordance of a read fingerprint data obtained by the recognition section 1 and a previously registered registered fingerprint data, a control section 3 controlling the unlocking of an electric lock 4 by the signal of the coincidence of a collation decision result transmitted from the collating section 2 and the electric lock 4 conducting an unlocking according to a command from the control section, the recognition section 1 is installed on the internal surface of a through-hole 7 having a square shape in a front view bored to a door section 6. The through-hole 7 is shielded preferably by a shielding means A for a screen in the case excepting necessity. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a security door provided with an electric lock. More specifically, the present invention relates to a fingerprint recognition security door provided with an electric lock that can be compared with a fingerprint and unlocked only by a person who has registered the fingerprint.
[0002]
[Prior art]
Conventionally, doors of certain important rooms, such as computer rooms, are registered with personal physical characteristics such as fingerprints and palm prints in advance so that only authorized persons can enter and exit for security. In addition, an electric lock is adopted in which a user reads them when they enter the room, checks them, and unlocks them only when they match the registered data. (See, for example, Patent Documents 1 and 2)
[0003]
[Patent Document 1]
JP-A-63-289183 (pages 1-3, FIG. 1)
[Patent Document 2]
JP-A-8-28109 (page 1-2, FIG. 1, FIG. 2)
[0004]
In a conventionally known security door, for example, as shown in the block diagram of FIG. 5 of the present application, a fingerprint recognition unit 1 is provided separately from the electric lock 4 in a place other than the door unit 6 and the fingerprint recognition unit 1 reads the fingerprint. The fingerprint pattern is converted into a fingerprint data signal and transmitted to the fingerprint collating unit 2. The fingerprint collating unit 2 determines whether or not the fingerprint data signal and the registered fingerprint data match or not. , And sends a coincidence signal to the control unit 3. The control unit 3 instructs the electric lock 4 to release the deadbolt 41 and unlocks the electric lock 4 in accordance with the coincidence signal. In FIG. 5, reference numeral 5 denotes a lever handle, and reference numeral 51 denotes a latch.
[0005]
[Problems to be solved by the invention]
By the way, in recent years, the fingerprint collation type security door is not only installed in a specific important room as in the above-mentioned computer room, but also used in general households living in condominiums and the like from the viewpoint of security. is there. At this time, in the security door configured as described above, the fingerprint recognition unit 1 is usually provided on a wall. However, when the fingerprint recognizing unit 1 is provided on a wall, wiring must be performed between the wall and the electric lock 4 of the door 6, and the number of components is increased, so that work on site is troublesome. There is such a problem. Furthermore, when going out of the room to the outside, a cam turn or an unlocking push button must be provided, which is not necessarily advantageous in terms of cost and work efficiency. The present invention solves such a problem, and provides a fingerprint recognition type security door that can recognize a fingerprint with a fingerprint recognition unit from inside and outside a room and that can be easily attached to a general household. Is the task.
[0006]
[Means for Solving the Problems]
The present invention has been conceived in order to solve the above problems, and employs the following technical means. That is, according to the present invention, the fingerprint recognition unit including the fingerprint detection window and the image sensor is compared with the read fingerprint data obtained by the fingerprint recognition unit and the registered fingerprint data registered in advance. A security system comprising: a fingerprint collation unit; a control unit that controls unlocking of the electric lock by a collation determination result match signal sent from the fingerprint collation unit; and an electric lock that unlocks in accordance with a command from the control unit. A fingerprint recognition security door is provided, wherein the fingerprint recognition unit is provided on an inner surface of a through-hole having a rectangular shape in a front view formed in the door unit. By doing so, it is possible to enter the room from outside by touching the fingerprint detection window of the fingerprint recognition unit provided on the door with a finger, and to unlock the room from inside by simply touching the fingerprint detection window. You can leave. Therefore, there is no need to separately provide an unlocking device in the room, the number of parts can be reduced, the assembling rate in the factory can be increased, and the workability in the field can be improved.
[0007]
It is preferable that the fingerprint recognition unit including the fingerprint detection window and the image sensor is provided above the inner surface of a rectangular through-hole formed in the door when viewed from the front. If the fingerprint recognition unit is provided on the upper side of the inner surface, it is less likely to be directly exposed to heat due to ultraviolet rays or sunlight, rainwater, etc., as compared with the case where the fingerprint recognition unit is provided on the lower side or the left and right side surfaces. For a long period of time.
[0008]
It is preferable that the through-hole is shielded by a blinding shielding means except when necessary. By doing so, it is possible to block the line of sight from outside the room.
[0009]
The shielding means includes: a blind portion including a belt-shaped blind plate having a window portion communicating with the outdoor side and a window portion communicating with the indoor side, and two rotating rollers that suspend the belt-shaped blind plate so as to be vertically movable; The belt-shaped blind plate has a lever that can be operated from outside and a lever that can be operated from inside the room. By assembling this shielding means into the through-hole, after touching the fingerprint detection window from the outside with a finger to enter the room, the room-side lever is operated from inside the room to move the outdoor-side window downward, and the through-hole is opened. Can be blocked by the blindfold.
[0010]
It is preferable that the fingerprint collating unit and the control unit are combined with the electric lock and attached to the door. With this configuration, a security door with a compact configuration in which only the through hole and the electric lock are attached to the door can be provided.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of a fingerprint recognition security door according to the present invention. FIG. 2 is an enlarged perspective view of the fingerprint recognition unit in FIG. As can be clearly understood from FIG. 2, the fingerprint recognizing unit 1 is provided on the upper surface of a rectangular through hole 7 formed in the door 6 and viewed from the front, and includes a fingerprint detection window 11 and an image sensor 12. In FIG. 2, the fingerprint detection window 11 is made of transparent glass, and irradiates light to a fingerprint touching the fingerprint detection window 11, and is an image sensor made up of a charge transfer element such as a CCD or BBD. A fingerprint pattern resulting from the difference in the reflectance is read out by 12.
[0012]
The fingerprint pattern read as described above is converted into fingerprint data, and is transmitted to the fingerprint collating unit 2 as a fingerprint data signal S1. The fingerprint matching unit 2 extracts characteristic points such as the size, outline, presence or absence of eddies, the number of stripes, and the flow of the stripes from the fingerprint data signal S1 from the image sensor 12, and registers the fingerprint data registered in advance. When a match is found, a determination match signal S2 is transmitted to the control unit 3 as a result of the matching determination. When the determination coincidence signal S2 is input, the control unit 3 outputs an unlock signal S3 to the electric lock 4, and releases the deadbolt 41 from the deadbolt receiver. The person who is permitted to enter the room as described above operates the lever handle 5 to enter the room. Reference numeral 51 denotes a latch, and 52 denotes a latch receiver. The fingerprint collating unit 2 and the control unit 3 are attached to the door unit 6 in combination with the electric lock 4. The illustration of the wiring from the power supply line, the current-carrying hardware, the microswitch and the reed switch required for unlocking is omitted.
[0013]
With the above-described configuration, it is possible to touch the fingerprint detection window 11 of the fingerprint recognition unit 1 with a finger from both the inside and the outside of the room through the through-hole 7. In this case, the user can unlock by simply touching the fingerprint detection window 11 from the room. As a result, it is possible to omit the labor for providing the cam lock and the work for installing the unlocking push button separately.
[0014]
On the other hand, for example, when the entrance door of the apartment is the fingerprint recognition type security door according to the present embodiment, the room can be seen through the through-hole 7, so that it is necessary to provide a blinding shielding means A. FIG. 3 is an exploded perspective view of the shielding means A used in the present embodiment. As can be clearly understood from FIG. 3, the shielding means A includes a blindfold section 8 and a frame section 9. The blindfold portion 8 includes a belt-like blindfold plate 80 having a window portion 81 communicating with the outside of the room and a window portion 82 communicating with the inside of the room. Bearings 931 and 931 for supporting the rotating shaft 831 of the rotating roller 83 are provided, and bearings 941 and 941 for supporting the rotating shaft 841 of the rotating roller 84 are provided. A lever 851 that can be operated from outside the room and 852 that can be operated from inside the room protrude from the belt-shaped blind plate 80, and the belt-shaped blind plate 80 can be vertically moved by these two levers. The frame portion 9 is provided with screw holes 91 and 92, and the frame portion 9 is screwed into the through hole 7 of the door portion 6 via these screw holes.
[0015]
FIG. 4 is a perspective view showing a state where the shielding means A configured as described above is assembled to the through-hole 7 of the fingerprint recognition security door according to the present embodiment. FIG. 4 shows a state in which a finger touches the fingerprint detection window 11 through the through hole 7 from the outdoor side to enable fingerprint recognition. When the user who has been allowed to enter the room by touching the fingerprint detection window 11 with his / her finger and raising the lever 852 after entering the room, the rotating rollers 83 and 84 rotate counterclockwise, and the outdoor window portion 81 moves downward. It moves and the line of sight from the outdoor is blocked by the belt-shaped blind plate 80. On the other hand, in a room, the room-side window portion 82 rises and communicates with the room side. When the user leaves the room, the user can unlock the device simply by touching the fingerprint detection window 11 with his / her finger, and can go out of the room. Thus, except when required, the through-hole 7 is shielded by the shielding means A, so that the line of sight from outside can be blocked.
[0016]
【The invention's effect】
As described above, in the first aspect of the present invention, the fingerprint recognition unit 1 including the fingerprint detection window 11 and the image sensor 12 and the read fingerprint data obtained by the fingerprint recognition unit 1 are registered in advance. A fingerprint collating unit 2 for collating and judging coincidence or non-coincidence with the registered fingerprint data, a control unit 3 for controlling unlocking of the electric lock 4 by a collation determination result coincidence signal sent from the fingerprint collating unit 2, A security door provided with an electric lock 4 which is unlocked in accordance with a command from the control unit 3, wherein the fingerprint recognition unit 1 is provided on an inner surface of a rectangular through hole 7 formed in the door unit 6 when viewed from the front. This is a fingerprint recognition type security door characterized by being used. By doing so, it is possible to enter the room by touching the fingerprint detection window 11 of the fingerprint recognition unit 1 provided on the door unit 6 with the finger from the outside of the room, and from the room only by touching the fingerprint detection window 11 with the finger. To unlock and exit the room. Therefore, there is no need to separately provide an unlocking device, and the number of parts can be reduced, the assembly rate at the factory can be increased, and workability at the site can be improved.
[0017]
According to the second aspect of the present invention, the fingerprint recognizing unit 1 including the fingerprint detection window 11 and the image sensor 12 is provided on an inner side of a through hole 7 formed in the door 6 and having a rectangular shape in a front view. 2. The method according to claim 1, wherein providing the fingerprint recognition unit 1 on the upper side of the inner surface makes it less likely to be directly exposed to heat due to ultraviolet rays or sunlight, rainwater, and the like, as compared with the case where the fingerprint recognition unit 1 is provided on the lower side or the left and right side surfaces. In addition to the effects of the invention, the fingerprint recognition unit 1 can be prevented from deteriorating, and can be used for a long time.
[0018]
According to the third aspect of the present invention, the through hole 7 is shielded by the blinding shielding means A except when required. By doing so, in addition to the effect of the invention described in claim 1, it is possible to block the line of sight from outside the room.
[0019]
According to a fourth aspect of the present invention, the shielding means A includes a belt-shaped blind plate 80 having a window 81 communicating with the outdoor side and a window 82 communicating with the indoor side, and the belt-shaped blind plate 80 is vertically movable. The blindfold portion 8 includes two rotating rollers 83 and 84 that are suspended, and a frame portion 9 that has bearings 931 and 941 on the side surface for supporting the rotating rollers 83 and 84, and the belt-shaped blindfold. The plate 80 is provided with a lever 851 that can be operated from outside and a lever 852 that can be operated from inside the room. By assembling the shielding means A into the through-hole 7, in addition to the effect of the invention according to claim 3, after entering the fingerprint detection window 11 from outside by touching the fingerprint detection window 11, the indoor side lever 852 is removed from the room. By operating the window 81 on the outdoor side downward, the through hole 7 can be blocked by the belt-shaped blind plate 80.
[0020]
In the invention described in claim 5, it is preferable that the fingerprint collating unit 2 and the control unit 3 are attached to the door unit 6 in combination with the electric lock 4. By doing so, in addition to the effect of the invention described in claim 1, a security door with a compact configuration in which only the through hole 7 and the electric lock 4 are attached to the door portion 6 can be provided.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a schematic configuration of a fingerprint recognition type security door according to the present invention.
FIG. 2 is an enlarged perspective view of a fingerprint recognition unit in FIG.
FIG. 3 is an exploded perspective view of the shielding means according to the present invention.
FIG. 4 is a perspective view showing a state in which the shielding means is attached to a door.
FIG. 5 is a block diagram showing a schematic configuration of a known security door.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Fingerprint recognition part 11 Fingerprint detection window 12 Image sensor 2 Fingerprint collation part 3 Control part 4 Electric lock 41 Dead bolt 42 Dead bolt receiver 5 Lever handle 51 Latch 52 Latch receiver 6 Door part 7 Through hole 8 Blind part 80 Belt-shaped blind plate 81 Window part communicating with the outside of the room 82 Window part 83 communicating with the inside of the room 83, 84 rotating roller 831, 841 rotating shaft 851 Outdoor operating lever 852 Indoor operating lever 9 Frame part 91, 92 Screw hole 931, 941 Bearing A Shielding means S1 Fingerprint data signal S2 Judgment coincidence signal S3 Unlock signal

Claims (5)

A fingerprint recognition unit comprising a fingerprint detection window and an image sensor; a fingerprint matching unit for checking and determining whether the read fingerprint data obtained by the fingerprint recognition unit matches registered fingerprint data registered in advance; A security door comprising: a control unit that controls unlocking of an electric lock by a signal of a match of a collation determination result sent from a fingerprint collation unit; and an electric lock that unlocks according to a command from the control unit. A fingerprint recognition security door characterized in that the fingerprint recognition unit is provided on the inner surface of a through hole having a rectangular shape as viewed from the front, formed in the door unit. 2. The fingerprint recognition security door according to claim 1, wherein the fingerprint recognition unit including the fingerprint detection window and the image sensor is provided on an inner surface above a through hole having a rectangular shape as viewed from the front. 2. The fingerprint recognition security door according to claim 1, wherein the through-hole is shielded by a blinding shielding means except when required. The shielding means includes a blind portion including a belt-shaped blind plate having a window portion communicating with the outdoor side and a window portion communicating with the indoor side, and two rotating rollers for suspending the belt-shaped blind plate so as to be vertically movable. 4. A belt-shaped blind plate comprising a frame portion having a bearing on a side surface for supporting a rotary roller, and a lever operable from outside the room and a lever operable from inside the room are projected from the belt-shaped blind plate. Fingerprint recognition security door described in. 2. The fingerprint recognition security door according to claim 1, wherein the fingerprint collating unit and the control unit are combined with an electric lock and mounted on the door unit.

Images