CN202650103U - Remote induction access control system - Google Patents
Remote induction access control system Download PDFInfo
- Publication number
- CN202650103U CN202650103U CN 201220245291 CN201220245291U CN202650103U CN 202650103 U CN202650103 U CN 202650103U CN 201220245291 CN201220245291 CN 201220245291 CN 201220245291 U CN201220245291 U CN 201220245291U CN 202650103 U CN202650103 U CN 202650103U
- Authority
- CN
- China
- Prior art keywords
- signal
- ultrasonic
- control system
- controller
- transmitting module
- 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
Images
Landscapes
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The utility model discloses a remote induction access control system which comprises a tag card, an access controller, a card reader and an ultrasonic generator which are fixed on a door frame, wherein the card reader comprises a first wireless receiving and transmitting module, and a first controller for controlling the first wireless receiving and transmitting module and the ultrasonic generator to respectively periodically send a radio frequency signal and an ultrasonic signal, the tag card comprises an ultrasonic receiver and a second wireless receiving and transmitting module and a second controller, the second controller is respectively used for receiving the radio frequency signal and the ultrasonic signal through the second wireless receiving and transmitting module and the ultrasonic receiver, the transmission distance of the ultrasonic signal is calculated, a distance signal is sent by the second wireless receiving and transmitting module, the first controller receives the distance signal through the first wireless receiving and transmitting module, and the transmission distance of the ultrasonic signal is compared with a set threshold, so that a door is controlled to be opened or closed. The remote induction access control system is long in transmission distance, is greatly increased in door opening efficiency, is adjustable in transmission distance, and is more convenient and flexible.
Description
Technical field
The utility model relates to a kind of gate control system, relates in particular to a kind of distance sensing gate control system.
Background technology
Gate control system weighs up again into pipeline control system, is a kind of digital management system of managerial personnel's turnover.Common gate control system has: password access system, Contact Type Ic Card gate control system, induction type IC card gate control system, fingerprint iris palm type bio-identification gate control system etc.
The password access system is because the security of itself is weak and convenience is poor on the verge of being replaced, fingerprint iris palm type bio-identification gate control system security of system is high, but cost is high, because the application bottleneck problem such as reject rate and memory capacity and do not obtain widely market recognition.The Contact Type Ic Card gate control system need to be handed card and be swiped the card, and can't realize distance sensing, and reaction velocity is slow, and convenience is poor, can't realize full-automation.
Publication number is that the patent of invention of CN102393979A discloses a kind of gate control system, comprise server, access controller, access-control card reader, the translation door controller, personal identification card and induction door, described access controller is by connecting line and server, access-control card reader links to each other with the translation door controller, it is characterized in that, whether also be provided with one between described card reader and induction door is used for the testing staff and enters, and the output signal of will opening the door passes to the induction door detector of described translation door controller, and described induction door detector distributes by circuit and connects access controller and translation door controller.This patent gate control system optimizes and combines work attendance and gate control system in the situation that do not increase work attendance and access control equipment, can only record work attendance information in the situation that do not open the door, and has prolonged the serviceable life of induction door.
Publication number is that the patent of invention of CN1936970A discloses a kind of gate control system that can suppress cost and carry out accurately processing rapidly, when the user passes through the gate inhibition, read identifying information and ticket checking information from wireless terminal among the A of zone, and carry out judging the processing that to pass through according to ticket checking information.The identifying information and renewal ticket checking information, associated with each other being stored in the server of transitable wireless terminal will be judged as.The user has passed through after the gate inhibition, in regional B, read identifying information from wireless terminal, if the identifying information of storing in the identifying information that reads and the server is consistent, just will be to renewal ticket checking information that should identifying information, be written in the wireless terminal, upgrade the ticket checking information of wireless terminal.
The disclosed gate control system of above-mentioned patent all can not realize distance sensing, and it is convenient not to use.
The utility model content
The utility model discloses a kind of distance sensing gate control system, solved existing can not distance sensing, the problem that convenience is poor.
A kind of distance sensing gate control system comprises label card, access controller and is fixed on card reader and ultrasonic generator on the doorframe,
Described card reader comprises:
The first radio receiving transmitting module;
The first controller is controlled the first wireless receiving module and ultrasonic generator and is periodically sent respectively radiofrequency signal and ultrasonic signal; By the first radio receiving transmitting module receiving range signal, with transmission range and the setting threshold comparison of ultrasonic signal, the output control signal is to access controller;
Described label card comprises:
Ultrasonic receiver;
The second radio receiving transmitting module;
Second controller respectively by the second radio receiving transmitting module and ultrasonic receiver received RF signal and ultrasonic signal, calculates the transmission range of ultrasonic signal, and sends distance signal by the second radio receiving transmitting module.
Ultrasonic generator and the first wireless transmitter module generation ultrasonic signal and radiofrequency signal, when the user Xiang Men that holds label card is close, the second radio receiving transmitting module can receive the radiofrequency signal of fixed frequency, this moment, second controller began timing, after ultrasonic receiver is received ultrasonic signal, writing time then; Because the aerial propagation rate of ultrasound wave is to immobilize, and the propagation rate of radiofrequency signal is much larger than Acoustic Wave Propagation speed, therefore the travel-time of radiofrequency signal can ignore, and can calculate distance between label card and the ultrasonic generator according to timing time.
Because ultrasonic signal and radiofrequency signal are periodically to send, so label card can return the distance between it and the ultrasonic transmitter in real time, when this distance during less than or equal to the threshold value set, and then the first controller access control unlatching.Therefore the cycle of signal emission should be not less than the processing time of said process, but the cycle is too large, then the reaction time long, the signal emission cycle is preferably 200～1000ms.Because radio frequency signal frequency is fixed, and only has specific label card to identify, and is preferably 2.4GHZ.
Technique scheme only can realize access control, is unsuitable for attendance management, and preferred, gate control system also comprises the host computer of storage administration label card information, and described host computer is connected with card reader by serial port data line.Pass through a large amount of cardholder information of database system management and corresponding label card information in the host computer, second controller sends to the first controller with label card information in the transmitting range signal, the first controller sends label card information to host computer, host computer is searched corresponding cardholder information, according to constraint conditions such as times, make work attendance and judge.
Label card comprises compact power, and compact power provides energy for the operation of label card, is convenient to install, changes and uses, and it can be lithium ion battery etc.
Label card comprises the switch of controlling compact power, and at label card during near gated area, it is made logic and judges, recovers normal energy supply pattern, can conserver power source, prolong the service time of label card.
Because ultrasound wave transmission performance when door is closed is unstable, when guaranteeing that door in off position, the inside and outside both sides of door can both have the ultrasound wave of enough energy to cover, and preferred, described ultrasonic generator quantity is two, is separately positioned on the inside and outside both sides of doorframe.
In order to realize the position location of label card, the quantity of described ultrasonic generator is at least 3, and conllinear not.
Preferably, card reader and ultrasonic generator are fixed on the doorframe top, can prevent effectively that hamper from blocking the transmission of convenience for ultrasonic ripple signal and wireless signal to signal.
Ultrasonic generator is loudspeaker.
Preferably, described the first controller comprises first microprocessor, be subjected to host computer serial port circuit, access control circuit and second microprocessor of first microprocessor control, and the ultrasonic excitation circuit that is subjected to the control of the second microprocessor, two microprocessor performances comprised more superior.Serial port circuit be used for host computer between be connected communication, if the access control main circuit sends gate inhibition's signal to access controller, and energizing circuit sends excitation signal to ultrasonic generator, makes it send ultrasound wave.
Preferably, described second controller comprises the 3rd microprocessor, be subjected to the ultrasound wave treatment circuit of the 3rd microprocessor control, and the ultrasound wave treatment circuit mainly is to carry out smoothly, remove the processing such as make an uproar, to obtain more accurately ultrasonic signal for receiving signal.
Compared with prior art, the beneficial effects of the utility model are:
(1) by at a distance location and locating information judgement gate inhibition action, solved the problem that the hand-held card of card-scanning type gate inhibition access door is swiped the card;
(2) gate inhibition to respond to coverage far away, greatly improved the efficient of opening the door, discharged simultaneously user's both hands, it is freer that access door becomes;
(3) the utility model changes the scope that the gate inhibition triggers by regulating threshold size, can set flexibly according to flow of the people, is user-friendly to;
(4) every label card is necessary consistent with the transmission frequency of card reader, could communicate by letter mutually, so that the utility model is safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model gate control system.
Fig. 2 is the modular structure schematic diagram of the utility model gate control system.
Fig. 3 is the modular structure schematic diagram of the utility model gate control system the first controller.
Fig. 4 is the modular structure schematic diagram of the utility model gate control system second controller.
Fig. 5 is the modular structure schematic diagram of the utility model gate control system the first radio receiving transmitting module.
Fig. 6 is the modular structure schematic diagram of the utility model gate control system the second radio receiving transmitting module.
Embodiment
As depicted in figs. 1 and 2, a kind of distance sensing gate control system, comprise label card 2, access controller 4, be fixed on the card reader 1 on the doorframe and be separately positioned on two ultrasonic generators 31,32 of the inside and outside both sides at doorframe top, card reader 1 is comprised of the first controller 11 and the first radio receiving transmitting module 12; Label card 2 is comprised of second controller 21, the second radio receiving transmitting module 22, ultrasonic receiver 23.Ultrasonic generator 3 is customized especially by golden porcelain company, and internal number is A-A-0013, and this ultrasonic generator is easy to the frequency stable output is installed.The PVDF ultrasonic receiver that ultrasonic receiver 23 selects MEAS company to produce.Access controller select TCP IP networking simple gate reversible controller.
The first controller 11 is main MCU111 and the auxiliary MCU112 of MSP430f5510 by model, power module 116 for the MCU power supply, access control circuit 115, the first ultrasonic excitation circuit 113, the second ultrasonic excitation circuit 114, host computer serial port circuit 117 forms, main MCU111 controls auxiliary MCU112, auxiliary MCU112 excites respectively the first ultrasonic generator 31 and the second ultrasonic generator 32 to send ultrasound wave by the first ultrasonic excitation circuit 113 and the second ultrasonic excitation circuit 114, main MCU111 access control control circuit 115, gate inhibition's signal is sent to access controller 4, and host computer 5 is realized mutually intercommunication with main MCU111 by host computer serial port circuit 117.
The first radio receiving transmitting module 12 is mainly used in the sending and receiving radio frequency signal, be that the first radio communication MCU122 and the second radio communication MCU121 of nRF24L01+ forms by being specifically designed to respectively wireless signal emission and being specifically designed to the model that receives wireless signal, two radio communication MCU use different signal processing circuits, different antennas, different work frequency sub-band to carry out work separately, can improve the utilization rate of channel, reduce the collision conflict between the transmitting-receiving.Two wireless communication chips are operated in respectively 2.40GHZ frequency and 2.45GHZ frequency, the first radio receiving transmitting module 12 is realized mutually intercommunication by two radio communication MCU with the first controller 11, have between the first radio communication MCU122 and the receiving antenna 126 between first signal treatment circuit 124, the second radio communication MCU121 and the emitting antenna 125 secondary signal treatment circuit 123 is arranged.The first controller 11 is communicated by letter by realization radiofrequency signal between the first radio receiving transmitting module 12 and the second controller 21.
The second radio receiving transmitting module 22 is mainly used in the sending and receiving radio frequency signal, by the 3rd signal processing circuit 222, dual-mode antenna 223, model is that the 3rd radio communication MCU221 of nRF24L01+ forms, the 3rd radio communication MCU221 directly realizes mutually intercommunication with second controller 21, the second radio receiving transmitting module 22 is by the information of dual-mode antenna 223 sending and receivings the first radio receiving transmitting module 12, in order to reduce the dual-mode antenna volume, wireless signal is combined into the wide frequency antenna that receives and launch one, dual-mode antenna is realized communicating by letter mutually with the 3rd radio communication MCU221 by the 3rd signal processing circuit 222.
The power supply of label card 2 inside is selected the really lithium ion battery of the special customization of energy company of sky, is numbered P-W-0006, and this battery volume low capacity is large, can extend working time.
The utility model gate control system principle of work is as follows:
The first ultrasonic generator 31 and the first radio receiving transmitting module 12 are the radiofrequency signal of 2.4GHZ every ultrasonic signal and the fixed frequency of 500ms emission 40KHz frequency, when the user Xiang Men that holds label card 2 is close, the second radio receiving transmitting module 22 can receive the radiofrequency signal that frequency is 2.4GHZ, second controller 21 beginning timing this moment, receive the ultrasonic signal of the first ultrasonic generator 31 emissions when ultrasonic receiver 23 after, the second control 21 devices record first time value T1, continue timing, receive the ultrasonic signal of the second ultrasonic generator 32 emissions when ultrasonic receiver 23 after, second time value T2 of second controller record, this moment, timer stopped timing and zero clearing, because the aerial propagation rate of ultrasound wave is fixed value K, and the propagation rate of radiofrequency signal is much larger than hyperacoustic propagation rate, the travel-time of radiofrequency signal can ignore, therefore utilize second controller T1 21 computing time, the product of T2 and propagation rate K, again by predefined program, process obtain between label card and the ultrasonic generator 2 apart from S1 and S2.
Claims (10)
1. a distance sensing gate control system is characterized in that, comprise label card (2), access controller (4) and be fixed on card reader (1) and ultrasonic generator (3) on the doorframe,
Described card reader (1) comprising:
The first radio receiving transmitting module (12);
The first controller (11) is controlled the first wireless receiving module (12) and ultrasonic generator (3) periodically sends respectively radiofrequency signal and ultrasonic signal; By the first radio receiving transmitting module (12) receiving range signal, with transmission range and the setting threshold comparison of ultrasonic signal, the output control signal is to access controller (4);
Described label card (2) comprising:
Ultrasonic receiver (23);
The second radio receiving transmitting module (22);
Second controller (21), respectively by the second radio receiving transmitting module (22) and ultrasonic receiver (23) received RF signal and ultrasonic signal, calculate the transmission range of ultrasonic signal, and send distance signal by the second radio receiving transmitting module (22).
2. distance sensing gate control system according to claim 1 is characterized in that, comprises the host computer (5) of storage administration label card information, and described host computer (5) is connected with card reader (1) by serial port data line.
3. distance sensing gate control system according to claim 1 is characterized in that, described label card (2) comprises compact power.
4. distance sensing gate control system according to claim 3 is characterized in that, described label card (2) comprises the switch of controlling compact power.
5. distance sensing gate control system according to claim 1 is characterized in that, described ultrasonic generator (3) quantity is two, is separately positioned on the inside and outside both sides of doorframe.
6. distance sensing gate control system according to claim 1 is characterized in that, described ultrasonic generator (3) quantity is at least 3, and conllinear not.
7. according to claim 1,5 or 6 described distance sensing gate control systems, it is characterized in that, described card reader and ultrasonic generator are fixed on the doorframe top.
8. distance sensing gate control system according to claim 1 is characterized in that, described ultrasonic generator (3) is loudspeaker.
9. distance sensing gate control system according to claim 1, it is characterized in that, described the first controller (11) comprises first microprocessor (111), be subjected to host computer serial port circuit (117), access control circuit (115) and second microprocessor (112) of first microprocessor (111) control, and the ultrasonic excitation circuit that is subjected to the second microprocessor (112) control.
10. distance sensing gate control system according to claim 1, it is characterized in that, described second controller (21) comprises the 3rd microprocessor (211), is subjected to the ultrasound wave treatment circuit (212) of the 3rd microprocessor (211) control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245291 CN202650103U (en) | 2012-05-24 | 2012-05-24 | Remote induction access control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245291 CN202650103U (en) | 2012-05-24 | 2012-05-24 | Remote induction access control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202650103U true CN202650103U (en) | 2013-01-02 |
Family
ID=47419174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220245291 Expired - Fee Related CN202650103U (en) | 2012-05-24 | 2012-05-24 | Remote induction access control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202650103U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824367A (en) * | 2014-02-28 | 2014-05-28 | 重庆多创电子技术有限公司 | Intelligent ultrasonic entrance guard inductor |
| CN105741387A (en) * | 2016-01-22 | 2016-07-06 | 刘思超 | Access control recognition method, access control card, server and access control recognition system |
| CN105957192A (en) * | 2016-04-19 | 2016-09-21 | 南京紫米网络科技有限公司 | Access control system |
| CN106056717A (en) * | 2016-06-16 | 2016-10-26 | 广州地理研究所 | System and method for scanning and verifying codes in offline manner |
| CN106296926A (en) * | 2016-08-16 | 2017-01-04 | 北京智优加网络科技有限公司 | A kind of based on the Intelligent entrance guard control system authorized in limited time and method |
| CN106652113A (en) * | 2016-09-23 | 2017-05-10 | 北京小米移动软件有限公司 | Access control method and device |
| CN106780889A (en) * | 2016-12-19 | 2017-05-31 | 盐田国际集装箱码头有限公司 | A kind of foreign-going ship operates gate control system |
| CN108241879A (en) * | 2016-12-26 | 2018-07-03 | 航天信息股份有限公司 | A kind of reader and its reading/writing method |
| TWI658717B (en) * | 2013-10-01 | 2019-05-01 | 瑞士商伊文修股份有限公司 | Access control method, access control system and computer-readable storage medium |
| CN110401916A (en) * | 2018-04-25 | 2019-11-01 | 开利公司 | The method that access latency is reduced via phone pre-connection based on user location |
| CN111882704A (en) * | 2020-07-10 | 2020-11-03 | 安安(深圳)智能电子有限公司 | Control method of intelligent door lock system and intelligent door lock management system |
| CN113345148A (en) * | 2020-03-03 | 2021-09-03 | 联芯集成电路制造(厦门)有限公司 | Safety system for clean room and operation method thereof |
-
2012
- 2012-05-24 CN CN 201220245291 patent/CN202650103U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI658717B (en) * | 2013-10-01 | 2019-05-01 | 瑞士商伊文修股份有限公司 | Access control method, access control system and computer-readable storage medium |
| CN103824367B (en) * | 2014-02-28 | 2016-03-16 | 重庆多创电子技术有限公司 | Ultrasonic Intelligent gate inhibition inductor |
| CN103824367A (en) * | 2014-02-28 | 2014-05-28 | 重庆多创电子技术有限公司 | Intelligent ultrasonic entrance guard inductor |
| CN105741387A (en) * | 2016-01-22 | 2016-07-06 | 刘思超 | Access control recognition method, access control card, server and access control recognition system |
| CN105957192A (en) * | 2016-04-19 | 2016-09-21 | 南京紫米网络科技有限公司 | Access control system |
| CN106056717A (en) * | 2016-06-16 | 2016-10-26 | 广州地理研究所 | System and method for scanning and verifying codes in offline manner |
| CN106296926A (en) * | 2016-08-16 | 2017-01-04 | 北京智优加网络科技有限公司 | A kind of based on the Intelligent entrance guard control system authorized in limited time and method |
| CN106296926B (en) * | 2016-08-16 | 2018-07-20 | 北京智优加网络科技有限公司 | A kind of intelligent entrance guard control system and method based on mandate in limited time |
| CN106652113A (en) * | 2016-09-23 | 2017-05-10 | 北京小米移动软件有限公司 | Access control method and device |
| CN106780889A (en) * | 2016-12-19 | 2017-05-31 | 盐田国际集装箱码头有限公司 | A kind of foreign-going ship operates gate control system |
| CN108241879A (en) * | 2016-12-26 | 2018-07-03 | 航天信息股份有限公司 | A kind of reader and its reading/writing method |
| CN110401916A (en) * | 2018-04-25 | 2019-11-01 | 开利公司 | The method that access latency is reduced via phone pre-connection based on user location |
| CN113345148A (en) * | 2020-03-03 | 2021-09-03 | 联芯集成电路制造(厦门)有限公司 | Safety system for clean room and operation method thereof |
| US11494475B2 (en) | 2020-03-03 | 2022-11-08 | United Semiconductor (Xiamen) Co., Ltd. | Safety system for cleanroom and operation method thereof |
| CN111882704A (en) * | 2020-07-10 | 2020-11-03 | 安安(深圳)智能电子有限公司 | Control method of intelligent door lock system and intelligent door lock management system |
| CN111882704B (en) * | 2020-07-10 | 2021-02-12 | 安安(深圳)智能电子有限公司 | Control method of intelligent door lock system and intelligent door lock management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202650103U (en) | Remote induction access control system | |
| CN205121666U (en) | Remote control's intelligent lock | |
| CN201111118Y (en) | Double-wake-up double-frequency composite traffic card for recognizing ambiguity path | |
| CN108806227A (en) | A kind of NB-IOT water meters and processing method | |
| CN103593687B (en) | Internet of Things intelligent management control cabinet system | |
| KR100869888B1 (en) | Home door open control device and therefor automatic open control system for use in apartment complex | |
| Lin-Ying et al. | Improved design of vehicle management system based on RFID | |
| CN102542218B (en) | Method and system for transmitting radio frequency identification (RFID) data, and hardware platform for RFID label | |
| CN102110223A (en) | System and method for RFID (Radio Frequency Identification Devices) remote-distance card-reading | |
| CN208673514U (en) | A kind of NB-IOT water meter | |
| CN102799838B (en) | RFID random frequency hopping method | |
| CN201654849U (en) | Parking lot monitoring device adopting wireless communication | |
| CN101021908A (en) | Pet management system based on passive radio frequency identification technique | |
| CN206972122U (en) | A kind of smart home timber | |
| CN206711119U (en) | A kind of double-frequency reader-writer for escort box electronization handing-over | |
| CN103476096A (en) | Active radio frequency tag communication method and active radio frequency tag | |
| CN206133594U (en) | Take RFID label of BLE function | |
| CN207752486U (en) | A kind of active RFID record card device based on bluetooth | |
| CN103854000A (en) | Active radio frequency tag communication method | |
| CN103751998A (en) | Intelligent efficient crawl training system and method | |
| CN106340075A (en) | Prisoner visiting method for prison | |
| CN206961197U (en) | A kind of radio remote is apart from gate inhibition | |
| CN201035602Y (en) | Passive radio frequency identification technique based pet management apparatus | |
| Huang et al. | Container transportation system using 2.45 GHz active RFID technology | |
| Huang et al. | The Design of the management system for parking lot based on 2.45 GHz active RFID |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20140524 |