CN219143490U - Biological characteristic information acquisition equipment with anti-prosthesis function - Google Patents
Biological characteristic information acquisition equipment with anti-prosthesis function Download PDFInfo
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- CN219143490U CN219143490U CN202223529483.3U CN202223529483U CN219143490U CN 219143490 U CN219143490 U CN 219143490U CN 202223529483 U CN202223529483 U CN 202223529483U CN 219143490 U CN219143490 U CN 219143490U
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Abstract
The utility model discloses biological characteristic information acquisition equipment with an anti-prosthesis function, and relates to the field of biological characteristic information acquisition equipment. The fingerprint acquisition device is technically characterized by comprising a fingerprint acquisition device, wherein the fingerprint acquisition device is provided with optical glass used for acquiring a fingerprint and pressing a finger, and the fingerprint acquisition device also comprises a finger detection bin which is arranged on the fingerprint acquisition device and is positioned above the optical glass; a temperature sensing mechanism and a fingertip pushing mechanism are arranged in the finger detection bin; the temperature sensing mechanism is used for detecting the temperature of the finger stretching into the finger penetrating bin; the fingertip pushing mechanism is used for pushing the fingertip part towards the optical glass and pressing the fingertip part on the optical glass; an information acquisition interception mechanism is arranged in the finger detection bin and used for intercepting the contact of the prosthesis with the optical glass.
Description
Technical Field
The utility model relates to the technical field of biological characteristic information acquisition equipment, in particular to biological characteristic information acquisition equipment with an anti-prosthesis function.
Background
The most common among the biological characteristic information acquisition equipment is the fingerprint collector, and the fingerprint collector is the accurate electronic instrument that utilizes the characteristic that the fingerprint of people has the difference to carry out identification, and theory of operation includes collection fingerprint image, draws fingerprint feature, save data and carries out the fingerprint and compares four functions. Wherein reading a fingerprint image is the most basic and most important function of a fingerprint sampler. By using the rugged striations of a finger fingerprint for imaging, we generally refer to the raised striations as "ridges" and the depressed striations as "valleys", whereas the process of fingerprint acquisition is essentially a process of fingerprint imaging. The principle is that different optical or current resistance feedback signals are obtained according to the difference of geometric characteristics, physical characteristics and biological characteristics of ridges and valleys, fingerprint images are drawn by using image processing algorithms of different algorithms according to the magnitude of the feedback signals, then fingerprint characteristics are extracted and fingerprint characteristic codes are compared on the basis of the fingerprint images through fingerprint identification algorithm software, and when general fingerprint collection is carried out, a finger is pressed on optical glass for collecting the fingerprint images to collect the fingerprint images, which is also the most common fingerprint collector in the market.
In the process of using the fingerprint collector, sometimes, the prosthesis is used for collecting the fingerprint, so that the fingerprint collector can collect the fingerprint, and the illegal purpose is achieved, namely, the current fingerprint collector is easy to be illegally utilized by people through the prosthesis fingerprint, and serious loss is caused accordingly, so that the problem is avoided, and a biological characteristic information collecting device with the function of resisting the prosthesis is required to be designed.
Disclosure of Invention
The utility model aims to solve the technical problems and provides biological characteristic information acquisition equipment with an anti-prosthesis function.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the biological characteristic information acquisition equipment with the anti-prosthesis function comprises a fingerprint acquisition device, a finger detection bin and a detection device, wherein the fingerprint acquisition device is provided with optical glass used for acquiring a fingerprint at a finger pressing position;
a temperature sensing mechanism and a fingertip pushing mechanism are arranged in the finger detection bin;
the temperature sensing mechanism is used for detecting the temperature of the finger stretching into the finger penetrating bin;
the fingertip pushing mechanism is used for pushing the fingertip part towards the optical glass and pressing the fingertip part on the optical glass;
an information acquisition interception mechanism is arranged in the finger detection bin and used for intercepting the contact of the prosthesis with the optical glass.
Preferably, the temperature sensing mechanism and the fingertip pushing mechanism are sequentially distributed inwards from the inlet end in the finger detection bin;
the lower surface of the finger detection bin is provided with an avoidance opening exposing the optical glass.
Preferably, the temperature sensing mechanism includes:
the first arc-shaped elastic piece is connected to the top position in the finger detection bin and rebounds towards the direction in which the optical glass is positioned;
and the temperature sensor is arranged on the lower surface of the first arc-shaped elastic sheet.
Preferably, the fingertip pressing mechanism includes:
the second arc-shaped elastic piece is connected to the top position in the finger detection bin and rebounds towards the direction in which the optical glass is positioned;
and the finger pressing block is connected to the lower surface of the second arc-shaped elastic sheet.
Preferably, the information acquisition interception mechanism includes:
the telescopic end of the electric control telescopic rod extends into the finger detection bin from the finger detection bin opposite to the inlet end of the electric control telescopic rod;
and the interception plate is connected to the telescopic end of the electric control telescopic rod, which extends into the finger access bin, and is used for closing the avoidance port to intercept the prosthesis.
The utility model has the following beneficial effects:
according to the biological characteristic information acquisition equipment with the anti-false body function, the temperature is detected through the temperature sensing mechanism arranged in the finger detection bin, so that whether a false body or a real person finger stretches into the finger detection bin is judged through the temperature, the information acquisition interception mechanism intercepts the fingerprint information acquisition part on the fingerprint acquisition device when judging the false body, illegal operation is avoided, the fingerprint information acquisition part on the fingerprint acquisition device is avoided when judging the false body, the finger is pushed by the fingertip pushing mechanism to directly enable the known fingerprint to be pressed on the fingerprint information acquisition part, and loss caused by illegal fingerprint input by the false body is avoided.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a biological information acquisition device with anti-prosthetic function according to the present utility model;
fig. 2 is a schematic view showing a finger of the biological characteristic information collecting apparatus with an anti-prosthetic function according to the present utility model extending into a finger access chamber.
Reference numerals in the drawings denote:
1. a fingerprint collector; 2. an optical glass; 3. finger is detected into the bin; 4. an avoidance port; 5. a first arc-shaped elastic sheet; 6. a temperature sensor; 7. a second arc-shaped elastic sheet; 8. pressing a finger block; 9. an electric control telescopic rod; 10. an interception plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a biological information collection device with anti-prosthesis function includes a fingerprint collector 1, wherein the fingerprint collector 1 has an optical glass 2 for pressing a finger when collecting a fingerprint, the fingerprint collector 1 is a fingerprint collector conventionally used in the market at present, and generally has a portion for pressing a finger when collecting a fingerprint, the portion directly contacting the finger is the optical glass 2, and is a common knowledge well known to a worker skilled in the art, and the biological information collection device further includes a finger detection bin 3 disposed on the fingerprint collector 1 and above the optical glass 2;
a temperature sensing mechanism and a fingertip pushing mechanism are arranged in the finger detection bin 3;
the temperature sensing mechanism is used for detecting the temperature of the finger stretching into the finger penetrating bin 3;
the fingertip pushing mechanism is used for pushing the fingertip part towards the direction of the optical glass 2 and pressing the fingertip part on the optical glass 2;
an information acquisition interception mechanism is arranged in the finger detection bin 3 and used for intercepting the contact of the prosthesis with the optical glass 2.
Specifically, a mode of setting a microcontroller or a single chip microcomputer and the like can be adopted to receive the information of the temperature sensing mechanism and control the operation of the information acquisition and interception mechanism, and the electric connection and the control use of all the electric elements related to the device are all common general knowledge known to the workers in the field, and are not repeated herein.
To sum up, this device detects the temperature through the temperature sensing mechanism that sets up in the finger detection storehouse 3 to judge through the temperature that is in the prosthetic or the real person's finger stretches into in the finger detection storehouse 3, so that information acquisition interception mechanism intercepts the position of gathering fingerprint information on the fingerprint collector when judging the prosthetic, avoid illegal operation, and when judging to be non-prosthetic, then dodge the position of gathering fingerprint information on the fingerprint collector, with the finger tip bulldoze the mechanism and directly make the well known to press the position of gathering fingerprint information accomplish fingerprint acquisition through the bulldozing of finger, avoid illegal personnel to pass through the loss that the illegal input fingerprint information of prosthetic fingerprint caused, and this device simple structure, low in manufacturing cost is fit for using widely.
Further, a temperature sensing mechanism and a fingertip pushing mechanism are sequentially distributed inwards from the inlet end in the finger detection bin 3; that is, when the finger tip is inserted into the innermost portion of the finger insertion chamber 3, the finger tip portion is pushed toward the optical glass 2 by the finger tip pushing mechanism and pressed against the optical glass 2 to perform fingerprint collection.
The lower surface of the finger detection bin 3 is provided with an avoidance port 4 exposing the optical glass 2 so as to expose the optical glass 2 in the finger detection bin 3, so that the finger can be contacted with the optical glass 2 to collect the fingerprint.
Further, the temperature sensing mechanism includes:
the first arc-shaped elastic sheet 5 is connected to the top position in the finger detection bin 3 and rebounds towards the direction of the optical glass 2;
and a temperature sensor 6 provided on the lower surface of the first arc-shaped elastic piece 5.
Specifically, the first arc-shaped elastic sheet 5 plays a role in supporting the temperature sensor 6, and can elastically push the temperature sensor 6 to be pressed on the finger stretching into the finger penetrating bin 3 so as to collect the temperature information of the finger.
Further, the fingertip pressing mechanism includes:
the second arc-shaped elastic sheet 7 is connected to the top position in the finger detection bin 3 and rebounds towards the direction of the optical glass 2;
and a finger pressing block 8 connected to the lower surface of the second arc-shaped elastic sheet 7.
Specifically, the second arc-shaped elastic sheet 7 plays a role in supporting the finger pressing block 8, and can elastically push the finger pressing block 8 to be pressed on the fingertip part of the finger stretching into the finger penetration bin 3, so that the fingertip part of the finger can be pushed to be pressed on the optical glass 2 below the fingertip for fingerprint acquisition.
Further, the information acquisition interception mechanism includes:
the telescopic end of the electric control telescopic rod 9 extends into the finger detection bin 3 from the finger detection bin 3 opposite to the inlet end of the electric control telescopic rod;
and the interception plate 10 is connected to the telescopic end of the electric control telescopic rod 9, which extends into the finger access bin 3, and the interception plate 10 is used for closing the avoidance port 4 to intercept the prosthesis.
Specifically, under the control of the controller or the singlechip, after the temperature information collected by the temperature sensor 6 is collected, if the temperature is not in the temperature range of the real finger, the prosthesis of the finger is judged, then the interception plate 10 seals the avoidance opening 4 to intercept the prosthesis to contact the optical glass 2, if the temperature information collected by the temperature sensor 6 is consistent with the temperature of the real finger, the interception plate 10 is driven to open the avoidance opening 4 through the electric control telescopic rod 9 to expose the optical glass 2, and the finger is pressed on the optical glass 2 under the pushing of the second arc-shaped elastic sheet 7 to collect the fingerprint.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (5)
1. The biological characteristic information acquisition equipment with the anti-prosthesis function comprises a fingerprint acquisition device (1), wherein the fingerprint acquisition device (1) is provided with an optical glass (2) used for acquiring a finger pressing part during fingerprint acquisition, and the biological characteristic information acquisition equipment is characterized by also comprising a finger detection bin (3) which is arranged on the fingerprint acquisition device (1) and is positioned above the optical glass (2);
a temperature sensing mechanism and a fingertip pushing mechanism are arranged in the finger detection bin (3);
the temperature sensing mechanism is used for detecting the temperature of the finger stretching into the finger penetrating bin (3);
the fingertip pushing mechanism is used for pushing the fingertip part towards the optical glass (2) and pressing the fingertip part on the optical glass (2);
an information acquisition interception mechanism is arranged in the finger detection bin (3) and used for intercepting the contact of the prosthesis with the optical glass (2).
2. The biological characteristic information acquisition device with the anti-prosthesis function according to claim 1, wherein the temperature sensing mechanism and the fingertip pushing mechanism are sequentially distributed from the inlet end inwards in the finger detection bin (3);
the lower surface of the finger detection bin (3) is provided with an avoidance opening (4) exposing the optical glass (2).
3. The apparatus for collecting biometric information with anti-prosthetic function according to claim 1, wherein the temperature sensing mechanism comprises:
the first arc-shaped elastic piece (5) is connected to the top position in the finger detection bin (3) and rebounds towards the direction in which the optical glass (2) is positioned;
and a temperature sensor (6) which is arranged on the lower surface of the first arc-shaped elastic sheet (5).
4. The biometric information collection device with anti-prosthetic function according to claim 1, wherein the fingertip pushing mechanism comprises:
the second arc-shaped elastic piece (7), the second arc-shaped elastic piece (7) is connected to the top position in the finger detection bin (3) and rebounds towards the direction of the optical glass (2);
and a finger pressing block (8) connected to the lower surface of the second arc-shaped elastic sheet (7).
5. The biometric information collection device with anti-prosthetic function according to claim 2, wherein the information collection interception mechanism comprises:
the telescopic end of the electric control telescopic rod (9) extends into the finger detection bin (3) from the finger detection bin (3) opposite to the inlet end of the electric control telescopic rod;
and an interception plate (10) connected to the telescopic end of the electrically controlled telescopic rod (9) extending into the finger access bin (3), wherein the interception plate (10) is used for closing the avoidance port (4) to intercept the prosthesis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223529483.3U CN219143490U (en) | 2022-12-29 | 2022-12-29 | Biological characteristic information acquisition equipment with anti-prosthesis function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223529483.3U CN219143490U (en) | 2022-12-29 | 2022-12-29 | Biological characteristic information acquisition equipment with anti-prosthesis function |
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| Publication Number | Publication Date |
|---|---|
| CN219143490U true CN219143490U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223529483.3U Active CN219143490U (en) | 2022-12-29 | 2022-12-29 | Biological characteristic information acquisition equipment with anti-prosthesis function |
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| Country | Link |
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| CN (1) | CN219143490U (en) |
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- 2022-12-29 CN CN202223529483.3U patent/CN219143490U/en active Active
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