CN209373665U - A kind of intelligent Checking on Work Attendance machine - Google Patents

Abstract

The utility model discloses a kind of intelligent Checking on Work Attendance machines, including shell, the display screen U2 being embedded on shell respectively, push-button array and Fingerprint Identification Unit U5, it is arranged in the shell, for storing the SD memory of the fingerprint of employee's typing, it is connect with the Fingerprint Identification Unit U5 and SD memory, and the microprocessor U1 of model STC12C5A60S2, it is connect with the serial port P0 of microprocessor U1, and the image capture module U3 of model OV7670, the DC converting circuit being connect with described image acquisition module U3, and it is connect with described image acquisition module U3, the camera being embedded on shell.Through the above scheme, the utility model has many advantages, such as that structure is simple, check card recognition success rate height, equipment input cost are cheap, has very high practical value and promotional value in Time Attendance Device technical field.

Description

A kind of intelligent Checking on Work Attendance machine

Technical field

The utility model relates to Time Attendance Device technical field, especially a kind of intelligent Checking on Work Attendance machine.

Background technique

Existing attendance recorder can be divided into two major classes, and the first kind is simple printing class, and when checking card, original recorded data is by examining Diligent machine is directly printed upon on card, and the record time on card is original attendance information, to first user without appointing What first training can use immediately；Second class is storage class, and when checking card, original recorded data is stored directly in attendance recorder It is interior, then summarized by computer acquisition, then handled by software, eventually forms required attendance information or inquiry or printing, Its attendance information is flexibly enriched, and need to do some prior trainings to first user and could gradually grasp its whole using function.Its In, the first kind most typically card form punched-card machine, structure is relatively simple, but its exist on behalf of check card, card lose The problems such as, this punched-card machine is the Time Attendance Device of most original.In addition, the second class most typically fingerprint recognition for attendance checking machine, user The fingerprint of typing employee is only needed, traditional card form punched-card machine is gradually replaced.But existing fingerprint recognition for attendance checking machine Often there is the case where can not identifying fingerprint, in use, it is often necessary to repeatedly check card and could succeed.

With the continuous development of science and technology, also occur hand vein recognition, iris recognition attendance recorder, recognition of face on the market Attendance recorder, recognition success rate is high, and still, equipment input cost is higher, and in the market, fingerprint attendance machine price is 100 To between 300 yuan, and the price of face recognition work-checking machine is at 2,000 yuan or more.

It is, therefore, desirable to provide a kind of structure is simple, cheap, reliable intelligent Checking on Work Attendance machine of checking card.

Utility model content

In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of intelligent Checking on Work Attendance machine, what the utility model used Technical solution is as follows:

A kind of intelligent Checking on Work Attendance machine, including shell, are embedded on shell and the display screen U2 of model LCD1602, are embedded in The push-button array checked card on shell, for typing employee fingerprinting operation and key is embedded on shell, for inputting and the person of identification The fingerprint of work and the Fingerprint Identification Unit U5 of model MBF310, are arranged in the shell, the fingerprint for storing employee's typing SD memory, the end serial port P1 connect with the end DB of the display screen U2 and push-button array, data receiver RXTP and outside Middle fracture INT0 connect with the data output end MISI of the Fingerprint Identification Unit U5, data sending terminal TXP and the fingerprint recognition The data input pin MISO connection of device U5, serial port P2.2 connect with the data terminal CD/DATA3 of the SD memory, serial port P2.1 is connect with the control terminal CMD of the SD memory, serial port P2.0 is connect with the clock end CLK of the SD memory and The serial port P0.0 of the microprocessor U1 of model STC12C5A60S2, data output end D0 to D7 and microprocessor U1 are extremely P0.7 connects one to one, clock signal terminal XCLK is connect with the serial port P2.4 of microprocessor U1, slot signal end RST with The serial port P2.3 connection of microprocessor U1, the figure for acquiring head portrait image and model OV7670 when employee checks card As acquisition module U3, it is connect with the power input VCC of described image acquisition module U3, data/address bus SDA and clock bus SCL DC converting circuit, and the camera shooting for connecting, being embedded on shell with the data/address bus SDA of described image acquisition module U3 Head.

Preferably, the DC converting circuit includes the direct current conversion chip U4 of model GD914D, one end respectively with institute The power input VIN for stating direct current conversion chip U4 is connected with enable end EN and the tile charging circuit C3 of other end ground connection, and one End connect with the shunt capacitance end BYP of the direct current conversion chip U4 and after the shunt capacitance C4 of other end ground connection and parallel connection The tile charging capacitor C5 and fill that one end is connect with the power output end VOUT of the direct current conversion chip U4 and the other end is grounded Capacitor C6；The power output end VOUT of the direct current conversion chip U4 power input with image capture module U3 respectively VCC, data/address bus SDA are connected with clock bus SCL.

Further, the intelligent Checking on Work Attendance machine further includes the data/address bus SDA and direct current for being connected to image capture module U3 Current-limiting resistance R41 between the power output end VOUT of conversion chip U4 is connected to the clock bus SCL of image capture module U3 Current-limiting resistance R42 between the power output end VOUT of direct current conversion chip U4, is connected to the clock of image capture module U3 Current-limiting resistance R10 between signal end XCLK and the serial port P2.4 of microprocessor U1, and it is connected to image capture module The current-limiting resistance R11 of the serial port P2.3 of the slot signal end RST and microprocessor U1 of U3.

Further, the intelligent Checking on Work Attendance machine, further include connect with the data terminal CD/DATA 3 of the SD memory it is upper Pull-up resistor R53, the pull-up resistor R52 being connect with the control terminal CMD of the SD memory, and the clock with the SD memory Hold the pull-up resistor R51 of CLK connection.

Preferably, the intelligent Checking on Work Attendance machine further includes connecting with the data output end D0 of described image acquisition module U3 Pull-up resistor R31, the pull-up resistor R32 connecting with the data output end D1 of described image acquisition module U3, is adopted with described image The pull-up resistor R33 for collecting the data output end D2 connection of module U3 connects with the data output end D3 of described image acquisition module U3 The pull-up resistor R34 connect, the pull-up resistor R35 being connect with the data output end D4 of described image acquisition module U3, with the figure Data output end as the pull-up resistor R36 of the data output end D5 connection of acquisition module U3, with described image acquisition module U3 The pull-up resistor R37 of D6 connection, and the pull-up resistor R38 being connect with the data output end D7 of described image acquisition module U3.

Compared with prior art, the utility model has the following beneficial effects:

The utility model is dexterously arranged Fingerprint Identification Unit and checks card, and by the external interrupt mouth of microprocessor with it is described The data output end MISI connection of Fingerprint Identification Unit triggers interrupt routine to realize to check card, and image capture module is combined to obtain The head portrait of the current employee that checks card.Being designed in this way is advantageous in that, both can guarantee and has checked card reliable, one-off recognition is checked card success, again Equipment input cost can be reduced.The attendance recorder of the present embodiment provides three kinds of fingerprint, image and key modes of checking card, and operates more Sample can meet different demands.Through the above scheme, the utility model is simple with structure, recognition success rate of checking card is high, equipment The advantages that low in input cost, has very high practical value and promotional value in Time Attendance Device technical field.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, will use below required in embodiment Attached drawing is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore is not to be seen as It is the restriction to protection scope, it to those skilled in the art, without creative efforts, can be with root Other relevant attached drawings are obtained according to these attached drawings.

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

It is practical to this with reference to the accompanying drawings and examples to keep the purposes, technical schemes and advantages of the application apparent Novel to be described further, the embodiments of the present invention includes but is not limited to the following example.Based on the reality in the application Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all Belong to the range of the application protection.

Embodiment

As shown in Figure 1, present embodiments providing a kind of intelligent Checking on Work Attendance machine, firstly, it is necessary to explanation, the present embodiment is base In the improvement of structure, not to improved using the software program of electric component itself, those skilled in the art according to The content that the present embodiment is recorded, which is used, is just able to achieve this technology using conventional usability of program fragments combination, just it will not go into details herein software The particular content of program.

Specifically, which includes shell, is embedded on shell and the display screen U2 of model LCD1602, is inlayed The push-button array checked card on shell, for typing employee fingerprinting operation and key is embedded on shell, for inputting and identifying The fingerprint of employee and the Fingerprint Identification Unit U5 of model MBF310, are arranged in the shell, the finger for storing employee's typing The SD memory of line, the end serial port P1 connect with the end DB of the display screen U2 and push-button array, data receiver RXTP and outer Fracture INT0 is connect with the data output end MISI of the Fingerprint Identification Unit U5 in portion, data sending terminal TXP and the fingerprint know The data input pin MISO connection of other device U5, serial port P2.2 connect with the data terminal CD/DATA 3 of the SD memory, are serial P2.1 is connect mouth with the control terminal CMD of the SD memory, serial port P2.0 is connect with the clock end CLK of the SD memory, And the serial port P0.0 of the microprocessor U1 of model STC12C5A60S2, data output end D0 to D7 and microprocessor U1 It connects one to one to P0.7, clock signal terminal XCLK is connect with the serial port P2.4 of microprocessor U1, slot signal end RST It is connect with the serial port P2.3 of microprocessor U1, for acquiring head portrait image when employee checks card and model OV7670 Image capture module U3 connects with the power input VCC, data/address bus SDA and clock bus SCL of described image acquisition module U3 The DC converting circuit connect, the camera for connecting, being embedded on shell with the data/address bus SDA of described image acquisition module U3, The current limliting electricity being connected between the power output end VOUT of the data/address bus SDA and direct current conversion chip U4 of image capture module U3 R41 is hindered, is connected between the power output end VOUT of clock bus SCL and direct current conversion chip U4 of image capture module U3 Current-limiting resistance R42, be connected to the clock signal terminal XCLK and microprocessor U1 of image capture module U3 serial port P2.4 it Between current-limiting resistance R10, be connected to the serial port P2.3 of the slot signal end RST and microprocessor U1 of image capture module U3 Current-limiting resistance R11, the pull-up resistor R53 of the connection of data terminal CD/DATA 3 of the SD memory, with the SD memory The pull-up resistor R52 of control terminal CMD connection, the pull-up resistor R51 being connect with the clock end CLK of the SD memory and the figure Data output end as the pull-up resistor R31 of the data output end D0 connection of acquisition module U3, with described image acquisition module U3 The pull-up resistor R32 of D1 connection, the pull-up resistor R33 being connect with the data output end D2 of described image acquisition module U3, with institute The pull-up resistor R34 of the data output end D3 connection of image capture module U3 is stated, it is defeated with the data of described image acquisition module U3 The pull-up resistor R35 of outlet D4 connection, the pull-up resistor R36 being connect with the data output end D5 of described image acquisition module U3, The pull-up resistor R37 being connect with the data output end D6 of described image acquisition module U3, and with described image acquisition module U3 Data output end D7 connection pull-up resistor R38.

Wherein, the DC converting circuit in the present embodiment includes the direct current conversion chip U4 of model GD914D, one end point It is not connect with the power input VIN and enable end EN of the direct current conversion chip U4 and the tile charging of other end ground connection is electric Road C3, one end is connect with the shunt capacitance end BYP of the direct current conversion chip U4 and the shunt capacitance C4 of other end ground connection, with And one end is connect with the power output end VOUT of the direct current conversion chip U4 after parallel connection and the tile charging of other end ground connection is electric Hold C5 and charging capacitor C6；The power output end VOUT of the direct current conversion chip U4 power supply with image capture module U3 respectively Input terminal VCC, data/address bus SDA are connected with clock bus SCL.

It is briefly described as follows the use process of the present embodiment:

Firstly, inputting the name of typing employee by push-button array, and the head of the employee is obtained using Fingerprint Identification Unit U5 Secondary fingerprint, and the fingerprint is stored in SD memory.

In punching operation, employee presses the finger of typing fingerprint on Fingerprint Identification Unit U5, by the fingerprint checked card with The fingerprint comparison stored in SD memory, to realize that fingerprint is checked card；Here, fingerprint of checking card may be with the finger that stores in SD memory Line is not identical.So, when Fingerprint Identification Unit U5 receives the fingerprint of pressing each time, the external interrupt of microprocessor is triggered, is opened The dynamic image for obtaining image capture module U3 shooting.Even if fingerprint success can not be identified, situation of checking card can be also recorded.In addition, member Work can also input password of checking card by push-button array.In this way, just be able to satisfy a variety of attendance requirements.

In conclusion the price of the image capture module U3 in the utility model is within 100 yuan, equipment investment at This is more cheap.Compared with prior art, there is substantive features and progress, have in Time Attendance Device technical field very high Practical value and promotional value.

Above-described embodiment is only the preferred embodiment of the utility model, is not intended to limit the scope of the present invention, In every case the design principle of the utility model is used, and carries out the non-creative variation worked and made on this basis, it should all Belong within the protection scope of the utility model.

Claims (5)

1. a kind of intelligent Checking on Work Attendance machine, including shell, it is embedded on shell and the display screen U2 of model LCD1602, is embedded in shell The push-button array checked card on body, for typing employee fingerprinting operation and key is embedded on shell, for inputting and identifying employee Fingerprint and model MBF310 Fingerprint Identification Unit U5, be arranged in the shell, fingerprint for storing employee's typing SD memory, which is characterized in that further include that the end serial port P1 is connect with the end DB of the display screen U2 and push-button array, data connect Receiving end RXTP and external interrupt mouth INT0 connect with the data output end MISI of the Fingerprint Identification Unit U5, data sending terminal TXP It is connect with the data input pin MISO of the Fingerprint Identification Unit U5, the data terminal CD/ of serial port P2.2 and the SD memory DATA3 connection, serial port P2.1 connect with the control terminal CMD of the SD memory, serial port P2.0 and the SD memory The microprocessor U1 of clock end CLK connection and model STC12C5A60S2, data output end D0 to D7 and microprocessor The serial port P0.0 to P0.7 of U1 connects one to one, the serial port P2.4 of clock signal terminal XCLK and microprocessor U1 connects Connect, slot signal end RST is connect with the serial port P2.3 of microprocessor U1, for acquire head portrait image when employee checks card, And the image capture module U3 of model OV7670, power input VCC, data/address bus with described image acquisition module U3 The DC converting circuit that SDA is connected with clock bus SCL, and connect with the data/address bus SDA of described image acquisition module U3, The camera being embedded on shell.

2. a kind of intelligent Checking on Work Attendance machine according to claim 1, which is characterized in that the DC converting circuit includes model The direct current conversion chip U4 of GD914D, one end power input VIN and enable end EN with the direct current conversion chip U4 respectively The shunt capacitance end BYP of the tile charging circuit C3 of connection and other end ground connection, one end and the direct current conversion chip U4 connect Connect and the other end ground connection shunt capacitance C4 and parallel connection after one end and the direct current conversion chip U4 power output end The tile charging capacitor C5 and charging capacitor C6 of VOUT connection and other end ground connection；The power supply of the direct current conversion chip U4 is defeated Outlet VOUT is connect with the power input VCC of image capture module U3, data/address bus SDA and clock bus SCL respectively.

3. a kind of intelligent Checking on Work Attendance machine according to claim 2, which is characterized in that further include being connected to image capture module U3 Data/address bus SDA and direct current conversion chip U4 power output end VOUT between current-limiting resistance R41, be connected to Image Acquisition Current-limiting resistance R42 between the power output end VOUT of the clock bus SCL and direct current conversion chip U4 of module U3, is connected to figure As the clock signal terminal XCLK and microprocessor U1 of acquisition module U3 serial port P2.4 between current-limiting resistance R10, and It is connected to the current-limiting resistance R11 of the serial port P2.3 of the slot signal end RST and microprocessor U1 of image capture module U3.

4. a kind of intelligent Checking on Work Attendance machine according to claim 1, which is characterized in that further include the data with the SD memory Hold the pull-up resistor R53, the pull-up resistor R52, Yi Jiyu connecting with the control terminal CMD of the SD memory of CD/DATA3 connection The pull-up resistor R51 of the clock end CLK connection of the SD memory.

5. a kind of intelligent Checking on Work Attendance machine according to claim 1, which is characterized in that further include and described image acquisition module U3 Data output end D0 connection pull-up resistor R31, the pull-up being connect with the data output end D1 of described image acquisition module U3 Resistance R32, the pull-up resistor R33 connecting with the data output end D2 of described image acquisition module U3 acquire mould with described image The pull-up resistor R34 of the data output end D3 connection of block U3, connect with the data output end D4 of described image acquisition module U3 Pull-up resistor R35, the pull-up resistor R36 connecting with the data output end D5 of described image acquisition module U3, is adopted with described image Collect the pull-up resistor R37 of the data output end D6 connection of module U3, and the data output end with described image acquisition module U3 The pull-up resistor R38 of D7 connection.