CN209842721U - Fingerprint control switch and system - Google Patents
Fingerprint control switch and system Download PDFInfo
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- CN209842721U CN209842721U CN201920671015.9U CN201920671015U CN209842721U CN 209842721 U CN209842721 U CN 209842721U CN 201920671015 U CN201920671015 U CN 201920671015U CN 209842721 U CN209842721 U CN 209842721U
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Abstract
The utility model discloses a fingerprint control switch and system, it acquires the target image through image acquisition module non-contact to transmit the target image to the image processing matching module to carry out matching judgment, the image processing matching module controls the operating condition of the switch control module according to the matching result, thereby controlling the switch-on or switch-off of the fingerprint switch; the technical problem that the switch control device is unsanitary due to the fact that the switch control device needs to be controlled through touch in the prior art is solved.
Description
Technical Field
The utility model belongs to the technical field of non-contact fingerprint image acquisition technique and specifically relates to a fingerprint control switch and system are related to.
Background
With the continuous development of science and technology, various new technologies are continuously emerging and people's lives are increasingly improved. Through continuous research and development, related fingerprint identification devices are widely applied to various fields of life of people, for example, electronic device unlocking, fingerprint identification entrance guard and the like generally apply the contact fingerprint identification technology and the devices thereof.
In the prior art, the fingerprint identification device mainly adopts a contact type fingerprint identification device, but the use of the contact type fingerprint identification device in some special occasions or individual groups may cause the rejection psychology of users, for example, the occasions of infection source environments such as hospitals and the like and the groups with the addiction, and the rejection psychology can be caused by the use of the contact type fingerprint identification device.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses an aim at provide a non-contact, promote the fingerprint control switch that the user used experience.
Therefore, the second object of the present invention is to provide an elevator control system with good user experience and non-contact fingerprint identification control.
The utility model adopts the technical proposal that:
in a first aspect, the utility model provides a fingerprint control switch, which comprises an image acquisition module, an image processing matching module and a switch control module; the output end of the image acquisition module is connected with the input end of the image processing matching module, and the image acquisition module acquires a target image in a non-contact manner and transmits the target image to the image processing matching module; the output end of the image processing matching module is connected with the input end of the switch control module and is used for controlling the working state of the switch control module so as to control the on/off of the fingerprint switch.
Further, the image acquisition module is a camera, and the camera is used for non-contact acquisition of the target image and transmission of the target image to the image processing matching module.
Further, the image processing matching module is a fingerprint matching MCU, and the fingerprint matching MCU is used for processing and matching the similarity between the target image and the fingerprint image template, and controlling the working state of the switch control module according to the processing and matching result, so as to control the on/off of the fingerprint switch.
Furthermore, the fingerprint switch also comprises a signal output interface, the output end of the image processing matching module is connected with the input end of the signal output interface, and the signal output interface is used for sending the on or off state of the fingerprint control switch to external equipment.
Furthermore, the fingerprint control switch further comprises a power circuit module, the input end of the power circuit module is connected with an external power supply, and the output end of the power circuit is connected with the image acquisition module and the image processing matching module respectively.
Furthermore, the fingerprint control switch further comprises a light supplement module, and the output end of the power circuit is connected with the input end of the light supplement module.
Furthermore, the fingerprint control switch also comprises a mechanical switch key; and the output end of the mechanical switch key is connected with the input end of the switch control module and is used for controlling the on/off of the fingerprint control switch.
Furthermore, the fingerprint control switch also comprises a voice prompt module, and the output end of the image processing matching module is connected with the input end of the voice prompt module.
In a second aspect, the present invention provides an elevator control system, which comprises an elevator controller and at least 2 fingerprint control switches; each fingerprint control switch corresponds to a floor one by one, and the output end of each signal output interface is connected with the input end of the elevator controller so as to output a control signal to the elevator controller, thereby controlling the running state of the elevator.
The utility model has the advantages that:
the utility model provides a fingerprint control switch, it obtains the target image through image acquisition mode shooting to transmit the target image to image processing matching module and match the judgement, image processing matching module is according to the operating condition of the result control switch control module of matching, thereby control fingerprint switch's switching on or closing; the technical problem that the switch control device is unsanitary due to the fact that the switch control device needs to be controlled through touch in the prior art is solved, and the fingerprint control switch which is non-contact and can improve user experience is provided.
The utility model discloses a second beneficial effect is:
the utility model discloses an elevator control system, it is connected with elevator controller through setting up a plurality of fingerprint control switch, and correspond a plurality of fingerprint control switch and floor one by one, when fingerprint control switch obtained the fingerprint image, output control signal to elevator controller, through elevator controller control elevator operation to corresponding floor; the technical problem that an elevator control system can only control the operation of an elevator through a mechanical switch key in the prior art is solved, and the elevator control system with non-contact fingerprint identification control and good user experience is provided.
Drawings
Fig. 1 is a block diagram of a fingerprint control switch according to an embodiment of the present invention;
fig. 2 is a block diagram of an embodiment of an elevator control system according to the present invention;
fig. 3 is a flowchart of an embodiment of a fingerprint determination method in the present embodiment.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1, a fingerprint control switch of the present invention includes an image acquisition module, an image processing matching module and a switch control module; the image acquisition module acquires a target image through shooting and transmits the target image to the image processing matching module, and the image processing matching module controls the working state of the switch control module according to a matching result so as to control the on or off of the fingerprint switch. In addition, still be provided with power supply circuit module, signal output interface, light filling module, sound prompt module, status indicator lamp and mechanical switch button in the fingerprint control switch, be provided with vary voltage circuit in the power supply circuit, power supply circuit module inserts external 5V-240V power, converts into image acquisition module, image processing matching module, light filling module and sound prompt module etc. required operating voltage behind the vary voltage circuit, provides operating power for it. The light supplementing module is used for providing a light source when the image acquisition module shoots and acquires a target image so as to acquire a clearer target image, and the reliability of the fingerprint control switch is improved; the output end of the image processing matching module is connected with the input end of the sound prompting module, and the sound prompting module is used for sending out a prompt tone for successful identification when the target image is judged to be a fingerprint image and sending out a prompt tone for failed identification when the target image is judged to be a non-fingerprint image; the output end of the image processing matching module is connected with the input end of a state indicator lamp, and the state indicator lamp is used for indicating the current working state of the fingerprint control switch, for example, the state indicator lamp is turned on when the fingerprint control switch is turned on, and the state indicator lamp is turned off when the fingerprint control switch is turned off; the output end of the image processing matching module is connected with the input end of the signal output interface and used for sending the on or off state of the fingerprint control switch to external equipment; the output end of the mechanical switch key is connected with the input end of the switch control module, the working state of the switch control module can be controlled, and when a clear target image cannot be obtained or cannot be obtained, the fingerprint control switch can be controlled to be switched on or switched off through the mechanical switch key.
The working principle of the fingerprint control switch is described by the conducting process of the fingerprint control switch as follows:
in this embodiment, the image acquisition module is a camera, the light filling module is an LED lamp, the sound module is a buzzer or a speaker, and the image processing matching module is a fingerprint matching MCU. When the fingerprint control switch is in a conducting state, the signal output interface outputs a high level to the external equipment; when the fingerprint control switch is in a closed state, the signal output interface outputs a low level to the external equipment. When the fingerprint control switch works, the LED lamp is turned on, the camera shoots a target image, the camera can obtain a clear target image with the distance of 0.5cm to 2cm from the lens, the target image is transmitted to the fingerprint matching MCU, the fingerprint matching MCU extracts characteristic information according to the target image, the characteristic information comprises the grain in the target image, the opening direction of the grain, the space of the grain and other characteristic information, and matching the extracted characteristic information with a fingerprint image template, wherein the fingerprint image template comprises an arc-shaped pattern image template, a skip-shaped pattern image template, a bucket-shaped pattern image template and the like, when the similarity of the target image and any one of the fingerprint image templates meets the set threshold, and judging that the acquired target image is a fingerprint image, wherein the fingerprint control switch is in a conducting state at the moment, and the fingerprint matching MCU control signal output interface outputs a high-level or closed-circuit signal to external equipment. And when the matching similarity of the target image and the fingerprint image template does not meet the set threshold, judging that the acquired target image is not the fingerprint image, wherein the fingerprint control switch is in a closed state, and the fingerprint matching MCU control signal output interface outputs a low level or open circuit signal to the external equipment. To sum up, the utility model discloses in a fingerprint control switch sets up image acquisition module and acquires target image through non-contact to match the judgement with target image transmission to image processing matching module, image processing matching module is according to the operating condition of the result control switch control module who matches, thereby control switching on or closing of fingerprint switch, solved prior art switching control device and need pass through touch control, lead to the unhygienic technical problem of switching control device.
As shown in fig. 2, the elevator control system of the present invention includes an elevator controller and at least 2 fingerprint control switches as described above; each fingerprint control switch corresponds to a floor one by one (for example, a first fingerprint control switch corresponds to a first floor elevator button, a second fingerprint control switch corresponds to a second floor elevator button, an Nth fingerprint control switch corresponds to an Nth floor elevator button), the output end of a signal output interface in the fingerprint control switch is connected with the input end of an elevator controller, when a target image acquired by the fingerprint control switch is a fingerprint image, a high level signal or a closing signal is output to the elevator controller, and the elevator controller controls the elevator to run to the floor corresponding to the fingerprint control switch according to the source of the received high level signal or the closing signal. The basic principle of the implementation is basically consistent with that of the fingerprint control switch, and the two principles can be referred to and correspond to each other, so that redundant description is not repeated herein. The fingerprint control switches are connected with terminals of corresponding floors in the elevator controller, when the fingerprint control switches acquire fingerprint images, control signals are output to the elevator controller, and the elevator is controlled to run to the corresponding floors through the elevator controller; the technical problem that an elevator control system can only control the operation of an elevator through a mechanical switch key in the prior art is solved, and the elevator control system with non-contact fingerprint identification control and good user experience is provided. When the clear target image cannot be obtained or cannot be obtained, the mechanical switch button arranged in the fingerprint control switch can be used for controlling the conduction of the fingerprint control switch, so that the elevator runs to the corresponding floor, and the running stability of the elevator control system is further ensured.
Referring to fig. 3, the present embodiment further provides a fingerprint determination method, which includes the following steps:
acquiring a target image in a non-contact manner;
extracting characteristic information of the target image;
matching the characteristic information with an image template;
and judging whether the target image is a fingerprint or not according to the matching result.
Wherein the characteristic information includes: lines, the opening direction of the lines and the intervals of the lines.
The basic principle of the implementation is basically consistent with that of the fingerprint control switch, and the two principles can be referred to and correspond to each other, so that redundant description is not repeated herein. Acquiring a target image by shooting a finger, extracting characteristic information of the target image, and finally matching the target image with an image template to obtain whether the target image is a fingerprint; the technical problem that a fingerprint judgment method in the prior art needs to contact a fingerprint acquisition device is solved, and a non-contact fingerprint judgment method is provided.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (9)
1. A fingerprint control switch, comprising: the device comprises an image acquisition module, an image processing matching module and a switch control module; the output end of the image acquisition module is connected with the input end of the image processing matching module, and the image acquisition module acquires a target image in a non-contact manner and transmits the target image to the image processing matching module; the output end of the image processing matching module is connected with the input end of the switch control module and is used for controlling the working state of the switch control module so as to control the on/off of the fingerprint switch.
2. The fingerprint control switch of claim 1, wherein the image capturing module is a camera, and the camera is configured to capture the target image in a non-contact manner and transmit the target image to the image processing and matching module.
3. The fingerprint control switch according to claim 1 or 2, wherein the image processing matching module is a fingerprint matching MCU, and the fingerprint matching MCU is configured to process and match the similarity between the target image and the fingerprint image template, and control the operating state of the switch control module according to the processing and matching result, so as to control the on/off of the fingerprint switch.
4. The fingerprint control switch according to claim 1 or 2, wherein the fingerprint switch further comprises a signal output interface, the output terminal of the image processing matching module is connected to the input terminal of the signal output interface, and the signal output interface is configured to send the on or off state of the fingerprint control switch to an external device.
5. The fingerprint control switch of claim 4, further comprising a power circuit module, wherein an input terminal of the power circuit module is connected to an external power source, and an output terminal of the power circuit module is connected to the image acquisition module and the image processing matching module, respectively.
6. The fingerprint control switch of claim 5, further comprising a light supplement module, wherein an output terminal of the power circuit is connected to an input terminal of the light supplement module.
7. The fingerprint control switch of claim 6, wherein the fingerprint control switch further comprises a mechanical switch button; and the output end of the mechanical switch key is connected with the input end of the switch control module and is used for controlling the on/off of the fingerprint control switch.
8. The fingerprint control switch according to any one of claims 5 to 7, further comprising an audio prompt module, wherein an output terminal of the image processing and matching module is connected to an input terminal of the audio prompt module.
9. An elevator control system comprising an elevator controller and at least 2 fingerprint control switches as claimed in claims 4 to 8; each fingerprint control switch corresponds to a floor one by one, and the output end of each signal output interface is connected with the input end of the elevator controller so as to output a control signal to the elevator controller, thereby controlling the running state of the elevator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671015.9U CN209842721U (en) | 2019-05-09 | 2019-05-09 | Fingerprint control switch and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671015.9U CN209842721U (en) | 2019-05-09 | 2019-05-09 | Fingerprint control switch and system |
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| CN209842721U true CN209842721U (en) | 2019-12-24 |
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| CN201920671015.9U Active CN209842721U (en) | 2019-05-09 | 2019-05-09 | Fingerprint control switch and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164003A (en) * | 2019-05-09 | 2019-08-23 | 深圳市英泰斯达智能技术有限公司 | A kind of fingerprint control switch, system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164003A (en) * | 2019-05-09 | 2019-08-23 | 深圳市英泰斯达智能技术有限公司 | A kind of fingerprint control switch, system and method |
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