CN207281832U - Attendance recorder - Google Patents
Attendance recorder Download PDFInfo
- Publication number
- CN207281832U CN207281832U CN201721207935.2U CN201721207935U CN207281832U CN 207281832 U CN207281832 U CN 207281832U CN 201721207935 U CN201721207935 U CN 201721207935U CN 207281832 U CN207281832 U CN 207281832U
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Abstract
The utility model discloses a kind of attendance recorder, including shell, hardware circuit inside the shell and the power module for hardware circuit power supply are set, the hardware circuit includes main control unit, IC card card reading unit, display unit, USB control units, ethernet communication unit, fingerprint module, the IC card card reading unit, display unit, USB control units, ethernet communication unit, fingerprint module are both connected on main control unit, and RF SIM card reading units and GPRS communication units are also associated with the main control unit.It adds RF SIM card reading units and GPRS communication units on the basis of existing attendance recorder hardware configuration, checks card for mobile phone and provides hardware foundation, extends the effective distance checked card, and realizing more people, mobile phone is checked card at the same time；And hardware foundation is provided for wireless communication, avoid the problem that difficult wiring, of high cost.
Description
Technical field
It the utility model is related to office equipment field, and in particular to a kind of attendance recorder.
Background technology
With the development of science and social progress, in current various enterprises and institutions and various specific places, people
Using attendance recorder come record related personnel whether shown up on time quite popularize.The attendance recorder used on the market at present includes master
Unit, IC card card reading unit, display unit, USB control units, ethernet communication unit and fingerprint module are controlled, it uses wired
Communication, brushes common IC card, is unsatisfactory for some local demands such as difficult wiring, wiring cost height, no matter it is checked card using fingerprint
Or IC card, be on duty the phenomenon that peak period is checked card in the presence of queuing.If it is on duty what a little previous minute also checked card in the presence of queuing
Phenomenon, easily causes the employee behind troop to check card late.In order to avoid problem of being late caused by above-mentioned reason, can use long-range
Check card, for example mobile phone, still, existing attendance recorder hardware does not support mobile phone attendance function.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of attendance recorder.
The utility model is achieved through the following technical solutions：
Attendance recorder, including shell, hardware circuit inside the shell and the power module for hardware circuit power supply are set, it is described
Hardware circuit includes main control unit, IC card card reading unit, display unit, USB control units, ethernet communication unit, fingerprint mould
Block, the IC card card reading unit, display unit, USB control units, ethernet communication unit, fingerprint module are both connected to master control
On unit, RF-SIM card reading units and GPRS communication units are also associated with the main control unit.Main control unit is whole control water
IC card is identified in the core of device, IC card card reading unit, and hardware foundation is provided for IC card attendance；Fingerprint module is checked card for fingerprint
Hardware foundation is provided；USB control units provide hardware foundation for attendance recorder data exporting；Ethernet communication unit is host
Data interaction is carried out with host computer, and hardware foundation is provided.This programme added on the basis of above-mentioned technology RF-SIM card reading units and
GPRS communication units, the effective distance of RF-SIM card reading units is 1CM-500CM, and according to circumstances effective distance is adjusted,
When even if upper mottle first half minute checks card, personnel are more, can also realizing more people, mobile phone is checked card at the same time, adds RF-SIM card reading units
To realize that mobile phone attendance provides hardware foundation；GPRS communication units carry out data interaction and provide hardware base for host and host computer
Plinth, both wireless communications, avoid the problem that difficult wiring, of high cost.By above-mentioned hardware circuit, can not only be beaten for mobile phone
Card provides hardware foundation, also avoids the trouble of wiring.
Preferably, the RF-SIM card reading units, GPRS communication units are connected by serial ports with main control unit.
Preferably, the IC card card reading unit is connected by SPI interface with main control unit.
Preferably, static leakage circuit is provided between the power module and hardware circuit, the electrostatic leakage electricity
Road includes capacitance, the first diode, the second diode and the resistance being connected between power module and hardware circuit, the capacitance
One end ground connection and the other end connection power module output terminal on, the output of the cathode and power module of first diode
End is connected and plus earth, and the cathode of second diode is connected with resistance with the connecting pin of hardware circuit and plus earth.
Further, first diode and the second diode are Transient Suppression Diode.
Further, the resistance value of the resistance is 500 ohm to 800 ohm.
Preferably, the ethernet communication unit is connected by bus interface with main control unit.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model adds RF-SIM card reading units and GPRS communications on the basis of existing attendance recorder hardware configuration
Unit, checks card for mobile phone and provides hardware foundation, extend the effective distance checked card, and realizing more people, mobile phone is checked card at the same time；And it is wireless
Communication provides hardware foundation, avoids the problem that difficult wiring, of high cost.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.
Fig. 1 is the functional block diagram of this programme.
Fig. 2 is the schematic diagram of this programme static leakage circuit.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment 1
A kind of attendance recorder as shown in Figure 1, including shell, hardware circuit inside the shell is set and is powered for hardware circuit
Power module, the hardware circuit include main control unit, IC card card reading unit, display unit, USB control units, Ethernet
Communication unit, fingerprint module, RF-SIM card reading units and GPRS communication units, the IC card card reading unit, display unit, USB
Control unit, ethernet communication unit, fingerprint module, RF-SIM card reading units and GPRS communication units are both connected to main control unit
On.
Embodiment 2
The present embodiment refines on the basis of above-described embodiment, i.e., RF-SIM card reading units, GPRS communication units are equal
It is connected by serial ports with main control unit；The IC card card reading unit is connected by SPI interface with main control unit；The ether Netcom
News unit is connected by bus interface with main control unit.
Embodiment 3
The present embodiment optimizes on the basis of above-described embodiment, i.e., is set between power module and hardware circuit quiet
Electric leadage circuit, the static leakage circuit include capacitance, the first diode, the second diode and be connected to power module with it is hard
Resistance between part circuit, one end of the capacitance are grounded and on the output terminals of other end connection power module, and the described 1st
The cathode of pole pipe is connected with the output terminal of power module and plus earth, cathode and the resistance and hardware electricity of second diode
The connecting pin on road is connected and plus earth.Power module is the power supply of whole hardware circuit, for example the main control unit of hardware circuit, aobvious
Show unit, fingerprint module etc., ensure the continual and steady work of hardware circuit.In dry weather season, electrostatic easily occurs, electrostatic
To the destructive extremely strong of main control unit, static leakage circuit is set between power module and hardware circuit, ensures hardware circuit
Reliability service.Resistance plays metering function, and capacitance plays cushioning effect, and the first diode, the second diode form two-stage vent discharge
Road, electrostatic interaction when power end, release, if not releasing completely, passes through resistance and second by voltage increase, the first diode current flow
Diode is released again in the place nearer apart from internal circuit.
Further, first diode and the second diode are Transient Suppression Diode.
Further, the resistance value of the resistance is 500 ohm to 800 ohm.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. attendance recorder, including shell, hardware circuit inside the shell and the power module for hardware circuit power supply are set, it is described hard
Part circuit includes main control unit, IC card card reading unit, display unit, USB control units, ethernet communication unit, fingerprint module,
The IC card card reading unit, display unit, USB control units, ethernet communication unit, fingerprint module are both connected to main control unit
On, it is characterised in that RF-SIM card reading units and GPRS communication units are also associated with the main control unit；The RF-SIM
Card reading unit, GPRS communication units are connected by serial ports with main control unit；
The IC card card reading unit is connected by SPI interface with main control unit；
The ethernet communication unit is connected by bus interface with main control unit.
2. attendance recorder according to claim 1, it is characterised in that be provided between the power module and hardware circuit quiet
Electric leadage circuit, the static leakage circuit include capacitance, the first diode, the second diode and be connected to power module with it is hard
Resistance between part circuit, one end of the capacitance are grounded and on the output terminals of other end connection power module, and the described 1st
The cathode of pole pipe is connected with the output terminal of power module and plus earth, cathode and the resistance and hardware electricity of second diode
The connecting pin on road is connected and plus earth.
3. attendance recorder according to claim 2, it is characterised in that first diode and the second diode are transient state
Suppress diode.
4. attendance recorder according to claim 2, it is characterised in that the resistance value of the resistance is 500 ohm to 800 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207935.2U CN207281832U (en) | 2017-09-20 | 2017-09-20 | Attendance recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207935.2U CN207281832U (en) | 2017-09-20 | 2017-09-20 | Attendance recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207281832U true CN207281832U (en) | 2018-04-27 |
Family
ID=61982423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721207935.2U Active CN207281832U (en) | 2017-09-20 | 2017-09-20 | Attendance recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207281832U (en) |
-
2017
- 2017-09-20 CN CN201721207935.2U patent/CN207281832U/en active Active
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