CN206162751U - Non -contact district unit building access control system based on NRF24LE1 - Google Patents
Non -contact district unit building access control system based on NRF24LE1 Download PDFInfo
- Publication number
- CN206162751U CN206162751U CN201621246703.3U CN201621246703U CN206162751U CN 206162751 U CN206162751 U CN 206162751U CN 201621246703 U CN201621246703 U CN 201621246703U CN 206162751 U CN206162751 U CN 206162751U
- Authority
- CN
- China
- Prior art keywords
- circuit
- main control
- nrf24le1
- entrance guard
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Lock And Its Accessories (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The utility model discloses a non -contact district unit building access control system based on NRF24LE1, including entrance guard basic station and smart card, the entrance guard basic station includes main control circuit, the PL2303 who is connected with main control circuit's signal input part downloads the circuit, the entrance guard's motor interface circuit who is connected with main control circuit's signal output part, the ultrasonic ranging circuit who is connected with main control circuit's signal input part, the smart card includes NRF24E1 radio frequency circuit and awakening circuit, awakening circuit's output is connected with the input of NRF24LE1 radio frequency circuit, the entrance guard basic station still includes the external expander circuit who is connected with main control circuit. The utility model has the advantages of simple structure, it is reasonable to set up, and it is when using, and the entrance guard basic station can be detected through ultrasonic ranging, when the smart card carrier carries out the response within range of entrance guard basic station, makes the entrance guard open automatically, improves it and uses the convenience, has improved its application scope, and the practicality is good.
Description
Technical field
This utility model belongs to gate control system technical field, and in particular to a kind of contactless cell based on NRF24LE1
Unit building gate control system.
Background technology
Gate inhibition, is that one kind organically combines information technology, electronic technology and mechanical lock also known as room entry/exit management control system
Together, the authority that turnover personnel are carried out with appropriate level differentiates, and carries out the digital management system of corresponding control.Such as today
What is be often seen everywhere in life is RFID (RF identification) gate control system, typically by management system, controller, three layers of reading card host
Composition.Management system responsible person management, mandate, data acquisition, statistics, analysis etc..Personnel need to will be stuck in card reader when current
Induction zone stop, card reader will sense card and the information (card number) in card be sent to into main frame, main frame inspection card
Legitimacy, then decide whether to carry out door opening action.
Read card image using card reader more than RFID gate control systems conventional on the market at present to decide whether to be opened the door
Action.Due to card reader induction zone can induction information distance it is shorter, when personnel are current, need access card in card reader
Induction zone stop, that is, needing closely to swipe the card to pass through.Personnel are when both hands hold weight and are inconvenient to swipe the card so that
It is current more to bother, and there is the safety not enough defect such as strong, maintenance cost height, technical standard disunity, extension difficulty.Cause
There is very big room for improvement in this.The purpose of this utility model is that a kind of noncontact provided to solve the above problems
Formula intelligent radio gate control system, personnel need to only carry with smart card when current, and without the need for closely swiping the card so that pass through more
It is convenient.
The content of the invention
The purpose of this utility model is to provide a kind of easy to use and strong applicability based on the contactless of NRF24LE1
Cell unit building gate control system.
Realizing the technical scheme of this utility model purpose is：A kind of contactless cell unit building door based on NRF24LE1
Access control system, including gate inhibition base station and smart card, the gate inhibition base station includes the signal of main control circuit and the main control circuit
Gate inhibition's motor interface that the PL2303 download circuits that input is connected are connected with the signal output part of the main control circuit
The ultrasonic ranging circuit that circuit is connected with the signal input part of the main control circuit, the smart card includes NRF24E1
Radio circuit and wake-up circuit, the outfan of the wake-up circuit is connected with the input of the NRF24LE1 radio circuits,
The gate inhibition base station also includes the external expanded circuit being connected with main control circuit.
The external expanded circuit includes matrix keyboard input circuit, blue tooth interface circuit and speech interface circuit.
7th pin of the PL2303 download circuits is serially connected with load capacitance with 12M crystal oscillators both sides, under the PL2303
Carrying the 23rd pin serial connection of circuit has load resistance, goes here and there on the 22nd pin, the 14th pin in the PL2303 download circuits
It is associated with 10K pull-up resistors.
Master chip model ATA5253 of the wake-up circuit.
This utility model has positive effect：Simple structure of the present utility model, arrange reasonable, its when in use, door
Prohibiting base station can be detected by ultrasonic ranging, when smart card carrier is carried out in the induction range of gate inhibition base station, be made
Gate inhibition automatically opens up, and so as to improve its property easy to use to a certain extent, substantially increases its scope of application, and practicality is good.
Description of the drawings
In order that content of the present utility model is more likely to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to this utility model, wherein：
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is the physical circuit figure of NRF24E1 radio circuits in this utility model；
Fig. 3 is the physical circuit figure of PL2303 download circuits in this utility model；
Fig. 4 is the physical circuit figure of gate inhibition's motor interface circuit in this utility model；
Fig. 5 is the physical circuit figure of blue tooth interface circuit and speech interface circuit in this utility model；
Fig. 6 is the physical circuit figure of input through keyboard circuit in this utility model.
Specific embodiment
(embodiment 1)
Fig. 1 to Fig. 6 shows a kind of specific embodiment of the present utility model, and wherein Fig. 1 is structure of the present utility model
Block diagram；Fig. 2 is the physical circuit figure of NRF24E1 radio circuits in this utility model；Fig. 3 is that PL2303 is downloaded in this utility model
The physical circuit figure of circuit；Fig. 4 is the physical circuit figure of gate inhibition's motor interface circuit in this utility model；Fig. 5 is that this practicality is new
The physical circuit figure of blue tooth interface circuit and speech interface circuit in type；Fig. 6 is the tool of input through keyboard circuit in this utility model
Body circuit diagram.
See Fig. 1 to Fig. 6, a kind of contactless cell unit building gate control system based on NRF24LE1, including gate inhibition base station 1
With smart card 2, the gate inhibition base station 1 is connected including main control circuit 11 with the signal input part of the main control circuit 11
PL2303 download circuits 12 be connected with the signal output part of the main control circuit 11 gate inhibition's motor interface circuit 13,
The ultrasonic ranging circuit 14 being connected with the signal input part of the main control circuit 11, the smart card 2 includes NRF24E1
Radio circuit 21 and wake-up circuit 22, the input of the outfan of the wake-up circuit 22 and the NRF24LE1 radio circuits 21
It is connected, the gate inhibition base station 1 also includes the external expanded circuit 15 being connected with main control circuit 11.NRF24LE1 is a
2.4GHz transceiving chips with processor, are integrated with the band kernel of enhancement mode 8051 and NRF24L0 on the chip of a very little
1 transmitting-receiving kernel, with NRF24L01 using the embedded agreement of identical and GFSK modulation systems, occurs with serial ports, SPI, I2C, PWM
The abundant peripheral hardware resource such as device, randomizer, the chip power-consumption is extremely low and with non-volatile data memory.
The external expanded circuit 15 includes matrix keyboard input circuit 151, blue tooth interface circuit 152 and speech interface electricity
Road 153.
7th pin of the PL2303 download circuits is serially connected with load capacitance with 12M crystal oscillators both sides, and load capacitance is 22
Pico farad, is mainly used in the effect for filtering, and the 23rd pin serial connection of the PL2303 download circuits has load resistance, described
10K pull-up resistors are in series with 22nd pin of PL2303 download circuits, the 14th pin.In the present embodiment, load capacitance root
According to need selected, LD-M (23 pin) pin must outer meeting resistance draw high or drag down：Drawing high can be with 500mA for chip configuration
Load (heavy duty), down for can with 100mA load (underloading)；The pull-up resistor of the external 10K of TRI-S (22 pin) pin,
Chip is configured to stop output during communication is hung up.The connecting line of D+ (15 pin) and D- (16 pin) pins and USB interface
Comparison is short, and two lines are close to each other and length is consistent during wiring, and the resistance of two current-limiting resistances is 51 ohm.E-DS (14 pin) is managed
Foot pulls up the resistance of 10K, can avoid I/O port noise jamming.
Master chip model ATA5253 of the wake-up circuit.
Simple structure of the present utility model, arrange reasonable, its when in use, gate inhibition base station can be entered by ultrasonic ranging
Row detection, when smart card carrier is carried out in the induction range of gate inhibition base station, automatically opens up gate inhibition, so as to a certain extent
Its property easy to use is improved, its scope of application is substantially increased, practicality is good.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate this utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need to give all of embodiment
It is exhaustive.And these belong to obvious change that connotation of the present utility model extends out or variation still falls within this practicality
New protection domain.
Claims (4)
1. a kind of contactless cell unit building gate control system based on NRF24LE1, including gate inhibition base station and smart card, it is special
Levy and be：The gate inhibition base station includes the PL2303 that main control circuit is connected with the signal input part of the main control circuit
Gate inhibition's motor interface circuit and main control electricity that download circuit is connected with the signal output part of the main control circuit
The ultrasonic ranging circuit that the signal input part on road is connected, the smart card includes NRF24E1 radio circuits and wake-up circuit,
The outfan of the wake-up circuit is connected with the input of the NRF24LE1 radio circuits, the gate inhibition base station also include with
The external expanded circuit that main control circuit is connected.
2. the contactless cell unit building gate control system based on NRF24LE1 according to claim 1, it is characterised in that：
The external expanded circuit includes matrix keyboard input circuit, blue tooth interface circuit and speech interface circuit.
3. the contactless cell unit building gate control system based on NRF24LE1 according to claim 2, it is characterised in that：
7th pin of the PL2303 download circuits is serially connected with load capacitance with 12M crystal oscillators both sides, the PL2303 download circuits
23rd pin serial connection has load resistance, is in series with 10K on the 22nd pin, the 14th pin in the PL2303 download circuits
Pull-up resistor.
4. the contactless cell unit building gate control system based on NRF24LE1 according to claim 3, it is characterised in that：
Master chip model ATA5253 of the wake-up circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246703.3U CN206162751U (en) | 2016-11-16 | 2016-11-16 | Non -contact district unit building access control system based on NRF24LE1 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246703.3U CN206162751U (en) | 2016-11-16 | 2016-11-16 | Non -contact district unit building access control system based on NRF24LE1 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206162751U true CN206162751U (en) | 2017-05-10 |
Family
ID=58660371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621246703.3U Expired - Fee Related CN206162751U (en) | 2016-11-16 | 2016-11-16 | Non -contact district unit building access control system based on NRF24LE1 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206162751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109249A (en) * | 2018-01-26 | 2018-06-01 | 河南云拓智能科技有限公司 | Intelligent cloud entrance guard management system and method |
-
2016
- 2016-11-16 CN CN201621246703.3U patent/CN206162751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109249A (en) * | 2018-01-26 | 2018-06-01 | 河南云拓智能科技有限公司 | Intelligent cloud entrance guard management system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104408827B (en) | A kind of umbrella based on Non-contact Media Reader management system and method for work | |
| CN106097588B (en) | A kind of single-phase cost-control intelligent ammeter | |
| Ramani et al. | Bank locker security system based on RFID and GSM technology | |
| US11151826B2 (en) | Circuit and method for using capacitive touch to further secure information in RFID documents | |
| CN207752550U (en) | A kind of smart lock low-power consumption standby circuit | |
| CN204904406U (en) | Safe access control system | |
| CN103914123B (en) | Computer device and power management method thereof | |
| CN206162751U (en) | Non -contact district unit building access control system based on NRF24LE1 | |
| CN201251801Y (en) | Intelligent withdrawal case with electronic identity card and time recorder | |
| CN207663496U (en) | A kind of intelligent door lock | |
| CN201829051U (en) | Parking place managing device for parking lot | |
| CN206757726U (en) | A kind of Simple student safety note service system | |
| CN104050427B (en) | Electronic device for preventing false touch and operation method thereof | |
| CN205281622U (en) | Prevent M1 karman that duplicates and lock control system | |
| CN205787142U (en) | The most geographical a kind of Information locating device | |
| CN103632449A (en) | Water-saving controller based on non-contact IC card | |
| CN203838781U (en) | Remote control key ring of intelligent lock | |
| CN203573378U (en) | Door lock system | |
| CN206236126U (en) | A kind of intelligent card read/write device with humiture display function | |
| CN2681242Y (en) | Smart card read-write equipment having temperature sensing function | |
| CN206584429U (en) | One kind walks close to intelligence system of opening the door | |
| CN201233603Y (en) | Automatic triggering type wide range radio frequency antenna | |
| CN205003767U (en) | Rent intelligent hotel lock of apartment formula | |
| CN206282319U (en) | A kind of intermediary message service charge collection system based on Internet of Things | |
| CN210155745U (en) | Thing allies oneself with electronic lock with cell-phone SIM card function of punching card |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20191116 |