CN207833279U - A kind of electronic control unit based on recognition of face - Google Patents

Abstract

The utility model discloses a kind of electronic control units based on recognition of face, it includes video processing module, the power module being connect respectively with video processing module, camera module, touch screen module and output control module, there are two serial ports and two relays for the output control module tool, the relay has normally closed node and normally opened node, each serial ports is connect with the normally closed node of a relay or normally opened node, and the coil of each relay is connect by a switching tube with the I/O port of the video processing module respectively.Electronic control unit provided by the utility model, after it identifies corresponding human face data, output control module can export corresponding light indicating signal, and the serial ports in output control module can export it is corresponding subscriber-coded, so as to open corresponding electronic equipment or corresponding electronic equipment may make to unlock.

Description

A kind of electronic control unit based on recognition of face

Technical field

The utility model is related to a kind of electronic control unit more particularly to a kind of electronic control dresses based on recognition of face It sets.

Background technology

In existing technology, the unlock of many electronic equipments (such as access control system) is typically with password, RFID gate inhibition The modes such as card, unlocked by fingerprint carry out control unlock；But there are the defects of easy to be lost, password is easy to forget for RFID access cards, not only Inconvenience is caused, and also creates security risk, if obtaining card by criminal, you can implements theft.And fingerprint solution Lock mode can solve card class or the deficiency of pin mode, but there are about 5% or so crowds, can not use fingerprint recognition, and Encounter season or it is dry when, it is often necessary to continuous several times just can successfully identify fingerprint, and contact can identify Mode be easy to spread the disease.

Recognition of face refers to being based on known Face Sample Storehouse, using image procossing and mode identification technology from static or dynamic In state scene, identification or the one or more faces of verification.Can be obtained after the generally recognized processing position that essential information includes face, Scale and posture information.More biological characteristics can also be further extracted using Feature Extraction Technology.Face recognition technology There is extensive and special purposes in important organ of country and social safety-security area, (such as refer to the identification of other human body biological characteristics Line identifies) technology compares, the concealment of face recognition technology is best, be technological means that current International Terrorism security protection is most paid attention to and One of research objective；In addition, face recognition technology applies also for the video frequency searching and multimedia making of multimedia database Aspect.In recent years, with the development of computer hardware and software technology, the application scenario based on face recognition technology is increasingly More, it can be used for improving man-machine interaction mode, to generate more hommization, intelligentized control device.

Utility model content

The purpose of this utility model is to provide a kind of electronic control units based on recognition of face, can easily utilize The corresponding control signal of face recognition technology output and light indicating signal.

The utility model is achieved through the following technical solutions：A kind of electronic control unit based on recognition of face, The power module that is connect including video processing module, respectively with video processing module, camera module, touch screen module and defeated Go out control module, there are two serial ports and two relays for the output control module tool, and the relay is with normally closed node and often Node is opened, each serial ports is connect with the normally closed node of a relay or normally opened node, and the coil of each relay passes through one respectively Switching tube is connect with the I/O port of the video processing module.

Preferably, one end connection of the coil of the drain electrode and relay of the switching tube, the other end of the coil of relay It then connect with power end and is connect with the drain electrode of the switching tube by a voltage-stabiliser tube, and the cathode of the voltage-stabiliser tube and the switch The drain electrode of pipe connects, and the source electrode ground connection of the switch, the grid of the switching tube is connect with the I/O port of the video processing module.

Further, the grid of the switching tube is also associated with an indicating lamp module, which includes one red Color indicator light circuit and a green indicator light circuit.

Preferably, the hi3519 that the main control chip in the video processing module is Huawei Hai Si；The camera module In main control chip be IMX226CQJ-C.

Preferably the main control chip in the power module be MP2359DJ, and the power module have 3.3V, 2.9V, Tetra- groups of supply voltages of 1.8V and 1.2V.

Electronic control unit provided by the utility model, after it identifies corresponding human face data, output control module Can export corresponding light indicating signal, and the serial ports in output control module can export it is corresponding subscriber-coded, so as to It opens corresponding electronic equipment or corresponding electronic equipment may make to unlock.

Description of the drawings

Fig. 1 is the circuit structure schematic block diagram of electronic control unit described in the utility model embodiment.

Fig. 2 is the particular circuit configurations schematic diagram of output control module described in the utility model embodiment.

Fig. 3 is the particular circuit configurations schematic diagram of power module described in the utility model embodiment.

Wherein, since the circuit of two groups of serial ports connection is identical, only output control module one of which is drawn in Fig. 2 Serial ports connects relevant particular circuit configurations schematic diagram.

Specific implementation mode

For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments to the utility model make into One step is described in detail.

As shown in attached drawing 1-2, a kind of electronic control unit based on recognition of face comprising video processing module, difference Power module, camera module, touch screen module and the output control module being connect with video processing module, the output control For molding block tool there are two serial ports and two relays, the relay has normally closed node and a normally opened node, each serial ports and one after The normally closed node of electric appliance or the connection of normally opened node, the coil of each relay handle mould by a switching tube and the video respectively The I/O port of block connects.

As preferred embodiment, the particular circuit configurations of the output control module are as shown in Fig. 2, the switching tube Drain electrode and one end of coil of relay connect, the other end of the coil of relay then connect with power end and by a voltage stabilizing Pipe is connect with the drain electrode of the switching tube, and the cathode of the voltage-stabiliser tube is connect with the drain electrode of the switching tube, the source of the switch Pole is grounded, and the grid of the switching tube is connect with the I/O port of the video processing module.Preferably, the grid of the switching tube is also It is connected with an indicating lamp module, which includes a red indicating light circuit and a green indicator light circuit.Attached In Fig. 2, the connecting pin marked as " CH1 " is the terminals being connect with the I/O port of the video processing module；The red refers to Indication lamp circuit includes red light emitting diodes D4, resistance R1, triode Q3 and resistance R3；The green indicator light circuit includes Green LED D5, resistance R2, triode Q4 and resistance R4.

In a wherein preferred embodiment, the main control chip in the power module is MP2359DJ, and it passes through The voltage stabilizing chip of BL8563 series generates multigroup supply voltage, i.e. the power module has 3.3V, 2.9V, 1.8V and 1.2V Four groups of supply voltages, it is specific as shown in Fig. 3.The power module generates the power supply electricity of 3.3V using main control chip MP2359DJ Pressure meets power supply (compatible ranging from 4.5V to the 24V, primarily to the work that can be used with Industry Control of external 24V Voltage 24V compatibilities), the voltage stabilizing chip of BL8563 series is recycled, 3.3V supply voltages are generated into 2.9V, 1.8V and 1.2V etc. Three voltages are used for the electronic control unit.

As preferred embodiment, the hi3519 that the main control chip in the video processing module is Huawei Hai Si is described Main control chip in camera module is IMX226CQJ-C, is configured with 120 degree of wide-angle lens；The touch screen module choosing With 4.3 cun of TFT touch screen.In addition, it is necessary to explanation, the video processing module is gone forward side by side pedestrian for acquiring human face data Face identifies that these human face data acquisition techniques and human face data identification technology belong to the achievable technology of the prior art, not It is related to the improvement of computer program.

Illustrate operation principle or the work of the electronic control unit provided in this embodiment based on recognition of face briefly below Process：

The video processing module is acquired human face data by camera module and carries out recognition of face, into pedestrian Face needed to acquire the human face data of user in advance when identifying；And the normally closed node of the relay in the output control module or Normally opened node can be connect with serial ports as needed, but when electronic control unit identify correct user (recognize in advance When the human face data of preservation matches), normally closed node favour disconnects, and normally opened node connects.With serial ports P1 shown in attached drawing 2 For, if no detection does not recognize correct user, CH1 interfaces export low level, and relay is not closed, (P1 output interfaces In, normally closed port COM1 and CN1 is normally closed, and normally opened port COM1 and CN1 is disconnected) while green indicator light D5 go out, red indicating light D4 is bright.But when electronic control unit detection recognizes correct user, then CH1 interfaces export high level, and control relay closes It closes, (in P1 output interfaces, normally closed port COM1 and CN1 is disconnected, and normally opened port, COM1 is connect with CN1) while green indicator light D5 is bright, and red indicating light D4 goes out；Meanwhile serial ports can also export corresponding preset 8 subscriber-coded data to electronic equipment In, so as to open corresponding electronic equipment or corresponding electronic equipment may make to unlock, as access control system is unlocked.This practicality In novel, the serial ports is the UART serial ports of common 3.3V level, and baud rate 9600 is used to export corresponding 8 It is subscriber-coded.

Above-described embodiment is the preferable realization method of the utility model, is not the restriction to the utility model, not Be detached from the utility model inventive concept under the premise of, it is any it is obvious replacement the scope of protection of the utility model it It is interior.

Claims (6)

1. a kind of electronic control unit based on recognition of face, it is characterised in that：The electronic control unit includes video processing Module, the power module being connect respectively with video processing module, camera module, touch screen module and output control module, For the output control module tool there are two serial ports and two relays, the relay has normally closed node and normally opened node, each Serial ports is connect with the normally closed node of a relay or normally opened node, the coil of each relay respectively by a switching tube with it is described The I/O port of video processing module connects.

2. electronic control unit according to claim 1, it is characterised in that：The drain electrode of the switching tube and the line of relay One end of circle connects, and the other end of the coil of relay is then connect with power end and by the leakage of a voltage-stabiliser tube and the switching tube Pole connects, and the cathode of the voltage-stabiliser tube is connect with the drain electrode of the switching tube, the source electrode ground connection of the switch, the switching tube Grid is connect with the I/O port of the video processing module.

3. electronic control unit according to claim 2, it is characterised in that：The grid of the switching tube is also associated with a finger Show lamp module, which includes a red indicating light circuit and a green indicator light circuit.

4. electronic control unit according to any one of claims 1 to 3, it is characterised in that：The video handles mould Main control chip in the block is the hi3519 of Huawei Hai Si.

5. electronic control unit according to claim 4, it is characterised in that：Main control chip in the camera module is IMX226CQJ-C。

6. electronic control unit according to claim 4, it is characterised in that：Main control chip in the power module is MP2359DJ, and the power module has tetra- groups of supply voltages of 3.3V, 2.9V, 1.8V and 1.2V.