CN106815904A

CN106815904A - Access control method, device and access control equipment, system

Info

Publication number: CN106815904A
Application number: CN201510867735.9A
Authority: CN
Inventors: 汪广; 姚文跃
Original assignee: SHENZHEN DASHI INFORMATION TECHNOLOGY Co Ltd
Current assignee: Shenzhen Da Shi Internet Of Things Technology Co ltd
Priority date: 2015-12-01
Filing date: 2015-12-01
Publication date: 2017-06-09
Anticipated expiration: 2035-12-01
Also published as: CN106815904B

Abstract

The present invention discloses a kind of access control method, including：When trigger input circuit receives the detection signal of detection means transmission, the main controller controls low-frequency channel of access control equipment sends low frequency card seeking signal, so that the access card for receiving the low frequency card seeking signal sends high frequency response signal according to the low frequency card seeking signal；The high frequency response signal that high-frequency circuit is received is obtained, according to the high frequency response signal and preset gate inhibition's card information, determines whether the access card has the enabling authority for opening the gate inhibition associated with the detection means；When the access card has the enabling authority for opening the gate inhibition associated with the detection means, control output circuit opens the gate inhibition associated with the detection means.Invention additionally discloses a kind of access control device and access control equipment, system.The present invention realizes the dual radio communication in access control, enhances the safety and reliability of access control.

Description

Access control method, device and access control equipment, system

Technical field

The present invention relates to gate inhibition field, more particularly to a kind of access control method, device and access control equipment, System.

Background technology

With the enhancing that security protection is realized, the device that access control equipment is passed in and out as a kind of management and control personnel, various Access control place is more and more applied, such as bank, hotel, computer room, safe care registry, office Between, intellectual communityintellectualized village, the place such as factory.Access control equipment collection microcomputer automatic identification technology and modern safety pipe Reason measure is integrated, and is related to many technologies such as electronics, machinery, optics, computer, communication, biology to lead Domain, is to solve the effective measures that safety precaution management is realized in important gateway place.It is right that access control equipment needs The access card that user carries carries out the controlled output that accurate identity differentiates and makes corresponding authority, but Some gate control systems judge that the mode whether access card has permission is excessively single, can not well ensure door Prohibit the safety and reliability of control.

The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is Prior art.

The content of the invention

The present invention provides a kind of access control method, device and access control equipment, system, it is intended to solve existing Access control equipment can not ensure well access control safety and reliability problem.

To achieve the above object, the present invention provides a kind of access control method, the access control method bag Include：

A, trigger input circuit receive detection means transmission detection signal when, the master control of access control equipment Device control low-frequency channel processed sends low frequency card seeking signal, for receiving the gate inhibition of the low frequency card seeking signal Card sends high frequency response signal according to the low frequency card seeking signal；

B, obtain the high frequency response signal that receives of high-frequency circuit, according to the high frequency response signal and Preset gate inhibition's card information, determines whether the access card has the gate inhibition for opening and being associated with the detection means Enabling authority；

C, the access card have open associate with the detection means gate inhibition enabling authority when, control Output circuit opens the gate inhibition associated with the detection means.

Preferably, above-mentioned steps A includes：

When trigger notice message is received, acquisition is preset can be set the master controller by the gate inhibition The type of card of standby identification, and the card seeking information comprising the type of card is encrypted, wherein, institute Trigger notice message is stated by the trigger input circuit when the detection signal is received, to the master control Device processed sends；

The card seeking information after encryption is launched with low frequency card seeking signal by the low-frequency channel, for The access card of the low frequency card seeking signal is received, first the low frequency card seeking signal is decrypted, then According to the type of card obtained after decryption, determine whether the access card returns the access control equipment management and control, and When the access card returns the access control equipment management and control, high frequency response signal is sent.

Preferably, the high frequency response signal includes the card number and authority information of access card；Above-mentioned steps B Including：

Obtain the high frequency response signal that the high-frequency circuit receives and decrypt, to obtain the gate inhibition The card number of card, authority information；

According to preset gate inhibition's card information and card number, the authority information of the acquisition, the access card is judged Whether the enabling authority of opening the gate inhibition that with the detection means associates is had；

In the authority information of the acquisition, determined by the physical label of the card number and the gate inhibition The authority determined by the physical label of the card number and the gate inhibition in authority, with gate inhibition's card information It is consistent and when meeting door-opening condition, determine that the access card has the gate inhibition for opening and being associated with the detection means Enabling authority.

To achieve the above object, the present invention also provides a kind of access control device, the access control device Including：

Input module, for the detection signal that receiving detection device sends；

Main control module, for when the input module receives the detection signal, controlling low frequency module Send low frequency card seeking signal；

The low frequency module, for sending low frequency card seeking signal, for receiving the low frequency card seeking signal Access card high frequency response signal is sent according to the low frequency card seeking signal；

High-frequency model, for receiving the high frequency response signal；

The main control module, is additionally operable to obtain the high frequency response signal that the high-frequency model is received, According to the high frequency response signal and preset gate inhibition's card information, determine the access card whether have opening with The enabling authority of the gate inhibition of the detection means association；There are opening and the detection means in the access card During the enabling authority of the gate inhibition of association, controlled output module opens the gate inhibition associated with the detection means；

The output module, for opening the gate inhibition associated with the detection means.

Preferably, the input module includes：

First receiving unit, for receiving the detection signal；

Notification unit, for when the detection signal is received, sending triggering to the main control module logical Know message；

The main control module includes：

Second receiving unit, for receiving the trigger notice message；

Ciphering unit, for when the trigger notice message is received, obtain it is preset can be described The type of card of access control equipment identification, and the card seeking information comprising the type of card is encrypted；

Control unit, for controlling the low frequency module by the card seeking information after encryption with low frequency card seeking signal Launch, for receiving the access card of the low frequency card seeking signal, first to the low frequency card seeking signal It is decrypted, then according to the type of card obtained after decryption, determines whether the access card returns the door Prohibit apparatus management/control, and when the access card returns the access control equipment management and control, send high frequency response signal.

Preferably, the high frequency response signal includes the card number and authority information of access card；The master control mould Block also includes：

Decryption unit, for obtaining the high frequency response signal that the high-frequency model receives and decrypting, To obtain card number, the authority information of the access card；

Judging unit, for card number, authority information according to preset gate inhibition's card information and the acquisition, Judge whether the access card has the enabling authority for opening the gate inhibition associated with the detection means；

Determining unit, in the authority information of the acquisition, by the card number and the thing of the gate inhibition By the card number and the physics mark of the gate inhibition in the authority that reason mark is determined, with gate inhibition's card information The authority that knowledge is determined is consistent and when meeting door-opening condition, determines that the access card has opening and the detection The enabling authority of the gate inhibition of device association.

To achieve the above object, the present invention also provides a kind of access control equipment, and the access control equipment includes above-mentioned Any described access control device.

Additionally, to achieve the above object, the present invention also provides a kind of gate control system, including detection means, Access control equipment, access card, the access control equipment are above-mentioned access control equipment；The detection means, for When detecting people close to the access control equipment, detection signal is sent to the access control equipment；

The access control equipment, for when the detection signal is received, sending low frequency card seeking signal；

The access card, for when the low frequency card seeking signal is received, being believed according to the low frequency card seeking Number send high frequency response signal；

The access control equipment, is additionally operable to receive the high frequency response signal, according to the high frequency response signal With preset gate inhibition's card information, determine whether the access card has the door opened and associated with the detection means The enabling authority of taboo；There is the enabling authority for opening the gate inhibition associated with the detection means in the access card When, the gate inhibition that opening is associated with the detection means.

Preferably, the access control equipment is additionally operable to：

When the detection signal is received, the preset card that can be recognized by the access control equipment is obtained Type, and the card seeking information comprising the type of card is encrypted；By the card seeking information after encryption with Low frequency card seeking signal is launched；

The access card, is additionally operable to when the low frequency card seeking signal is received, first to the low frequency card seeking Signal is decrypted, and then according to the type of card obtained after decryption, determines whether the access card returns institute Access control equipment management and control is stated, and when the access card returns the access control equipment management and control, sends high frequency response letter Number.

Preferably, the high frequency response signal includes the card number and authority information of access card；The gate inhibition sets It is standby to be additionally operable to：

Receive the high frequency response signal and decrypt, to obtain card number, the authority information of the access card；

Access control method proposed by the present invention, device and access control equipment, system, are searching access control equipment During neighbouring access card, by the way of LF communication, and when access card responds access control equipment, use The mode of high-frequency communication, dual radio communication enhances the safety and reliability of access control.

Brief description of the drawings

Fig. 1 is the schematic flow sheet of access control method first embodiment of the present invention；

Refinement flow when Fig. 2 is access control equipment card seeking in access control method second embodiment of the present invention is shown It is intended to；

Fig. 3 is when access control equipment determines access card authority in access control method 3rd embodiment of the present invention Refinement schematic flow sheet；

Fig. 4 is the high-level schematic functional block diagram of access control device first embodiment of the present invention；

Fig. 5 is the refinement work(of input module and main control module in access control device second embodiment of the present invention Can module diagram；

Fig. 6 is that the refinement functional module of main control module in access control device 3rd embodiment of the present invention is illustrated Figure；

Fig. 7 is the structural representation of gate control system first embodiment of the present invention.

The realization of the object of the invention, functional characteristics and advantage will be done further referring to the drawings in conjunction with the embodiments Explanation.

Specific embodiment

It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, limit is not used to The fixed present invention.

The present invention provides a kind of access control method, as shown in figure 1, showing access control side of the present invention The schematic flow sheet of method first embodiment, methods described includes：

S10, trigger input circuit receive detection means transmission detection signal when, the master of access control equipment Controller control low-frequency channel sends low frequency card seeking signal, for receiving the door of the low frequency card seeking signal Prohibit card and high frequency response signal is sent according to the low frequency card seeking signal；

The access control equipment includes master controller, trigger input circuit, low-frequency channel, high-frequency circuit, defeated Go out circuit, control system is installed on the master controller.The detection means can be capacitance sensor, Any one in thermoinduction sensor, pressure sensor, infrared sensor, is generally located on gate inhibition and sets It is standby communicate nearby and with access control equipment that (the card seeking signal that access control equipment sends can be covered and led to it The detection means near zone of letter).One gate inhibition's correspondence is associated with a detection means, and different gate inhibitions are closed The detection means of connection can be with difference.The detection means is used for when someone near access control equipment is detected, The detection signal that the triggering access control equipment searches the access card near it is sent to the access control equipment.

When user is close to gate inhibition or touches the detection means being arranged near gate inhibition, trigger and the gate inhibition The detection means of association sends detection signal to the trigger input circuit of the access control equipment of gate inhibition described in management and control, The master controller of the access control equipment is controlled when the trigger input circuit receives the detection signal The low-frequency channel sends low frequency card seeking signal.Access card near the gate inhibition receives the low frequency After card seeking signal, high frequency response signal is sent according to the low frequency card seeking signal.Because access control equipment passes through Send access card of the low frequency card seeking signal search near it, and then with gate inhibition's cartoon letters determining the gate inhibition The enabling authority of card, realizes control to gate inhibition, and in whole process, user need not hold and go to gate inhibition and set Standby front, takes out access card and is placed on the region of swiping the card of access control equipment, and need to only carry enabling authority Access card at one's side, save the step of swiping the card.

The high frequency response signal that S20, acquisition high-frequency circuit are received, according to the high frequency response signal With preset gate inhibition's card information, determine whether the access card has the door opened and associated with the detection means The enabling authority of taboo；

The high-frequency circuit of the access control equipment receives the high frequency response signal that the access card sends, institute State master controller and obtain the high frequency response signal, and according to the high frequency response signal and preset gate inhibition Card information, determines whether the access card has permission the gate inhibition for opening and being associated with the detection means, and gives Go out corresponding access permission signal output.Wherein, the access card information can including the access control equipment The physical label of the gate inhibition that the card number of the access card of management and control is associated with detection means, the gate inhibition of different card numbers It is stuck in the authority information under the gate inhibition of different physical labels；One card number of access card being capable of unique mark one Individual access card；The path that the master controller is communicated by access control equipment with detection means, it is determined that with it is described The physical label of the gate inhibition of detection means association；The authority information includes that can an access card be used to beat Open the corresponding gate inhibition of a certain physical label and the condition for meeting, the condition are needed when opening the gate inhibition Specified gate inhibition can could be opened in stipulated time section to limit access card.

S30, the access card have open associate with the detection means gate inhibition enabling authority when, control Output circuit processed opens the gate inhibition associated with the detection means.

The master controller of the access control equipment is it is determined that the access card has opening to be associated with the detection means Gate inhibition enabling authority when, to access control equipment output circuit send door open command, with by described defeated Go out the gate inhibition that circuit opens the detection means association；When it is determined that the access card is without enabling authority, institute Stating master controller will not send door open command to the output circuit, now, can be by the output electricity Road sends alarm command, to point out user's lack of competence to open the gate inhibition that the detection means is associated.

The master controller can be with one or more gate inhibitions of management and control, in the master controller only one door of management and control During taboo, the access control equipment is included by a master controller, trigger input circuit, a low-frequency electrical The first instance structure that road, a high-frequency circuit are constituted, and the second instance being made up of an output circuit Structure, or, the access control equipment be by a master controller, trigger input circuit, one it is low The 3rd entity structure that frequency circuit, high-frequency circuit, an output circuit are constituted.

In master controller management and control multiple gate inhibition, the access control equipment is included by a master controller structure Into the 4th entity structure, multiple by a trigger input circuit, low-frequency channel, a high-frequency electrical The 5th entity structure that road is constituted, the 6th entity structure that multiple is made up of an output circuit, wherein, One gate inhibition is to that should have the 5th entity structure and the 6th entity structure；Or, institute Stating access control equipment includes the 4th entity structure being made up of a master controller, multiple to be input into by a triggering The 7th entity structure that circuit, low-frequency channel, high-frequency circuit, an output circuit are constituted, Wherein, a gate inhibition is to that should have the 7th entity structure.The master controller energy of the access control equipment It is enough that concurrently the corresponding communication path of each gate inhibition is processed.

It is appreciated that the master controller of the access control equipment can also receive detection in trigger input circuit During signal, control high-frequency circuit sends high frequency card seeking signal to the access card near gate inhibition, with by receiving The access card of the high frequency card seeking signal sends LF-response signal, and by the low-frequency electrical of the access control equipment Road receives the LF-response signal, so that after the master controller is carried out according to the LF-response signal Continuous judgement authority, and control output circuit opens the operation of gate inhibition.

Access control method proposed by the present invention, access control equipment is used when the access card near it is searched The mode of LF communication, and when access card responds access control equipment, it is dual by the way of high-frequency communication Radio communication enhances the safety and reliability of access control.

Further, reference picture 2, propose that access control method second of the present invention is implemented based on first embodiment Example, in the present embodiment, above-mentioned steps S10 includes：

S11, the master controller when trigger notice message is received, obtain it is preset can be by the door The type of card of taboo equipment identification, and the card seeking information comprising the type of card is encrypted；

The trigger notice message by the trigger input circuit when the detection signal is received, to institute Master controller is stated to send.The access control equipment that is stored with the master controller is capable of the access card of management and control The information such as affiliated type of card.If on type of card belonging to an access card and the master controller The type of card of storage is differed, then the access card can not open any of the access control equipment management and control One gate inhibition.The master controller can be encrypted using any encryption mechanism to the card seeking information, phase Ying Di, can be by having corresponding decryption mechanisms on the access card of the master controller management and control.

S12, the card seeking information after encryption is launched with low frequency card seeking signal by the low-frequency channel, For receiving the access card of the low frequency card seeking signal, first the low frequency card seeking signal is decrypted, Then according to the type of card obtained after decryption, determine whether the access card returns the access control equipment management and control, And when the access card returns the access control equipment management and control, send high frequency response signal.

The access control equipment is constantly in low-power consumption mode when detection signal is not received, in low-power consumption mould Under formula, the access control equipment power consumption is minimum, the detection signal for only supporting receiving detection device to send, and When receiving detection signal, normal mode of operation is switched to from low-power consumption mode.Access card is not being received Low-power consumption mode is constantly in during low frequency card seeking signal, under low-power consumption mode, access card power consumption is minimum, Only support to receive the low frequency card seeking signal that the access control equipment sends, and when low frequency card seeking signal is received, Normal mode of operation, i.e. access card are switched to from low-power consumption mode to be activated.

The trigger input circuit of the access control equipment after the detection signal that detection means sends is received, institute State access control equipment and be switched to normal mode of operation from low-power consumption mode, and activate low-frequency channel, master controller The low-frequency channel is controlled to send the 125KHz low frequency card seeking signals comprising encryption information, to search and wake up Access card near the access control equipment.The low-frequency channel on access card near the access control equipment connects After receiving the low frequency card seeking signal, the access card is activated, and is arranged on the micro-control on the access card Device processed is decrypted according to preset decryption mechanisms to the low frequency card seeking signal, and in successful decryption posteriority Demonstrate,prove the data field in the low frequency card seeking signal, after checking successfully, the high-frequency circuit on the access card The high frequency response signal comprising encryption information is sent with the frequency of 868-915KHz.It is attached in the access control equipment When closely being responded without access card, the low-frequency channel that the master controller attempts access control equipment again sends Low frequency card seeking signal, and at most attempt three times, if the high-frequency circuit of access control equipment does not receive door three times Prohibit the response signal that card sends, the access control equipment reenters low-power consumption mode；If access control equipment The high frequency response signal that access card sends once is received during high-frequency circuit, then the master controller according to The high frequency response signal carries out follow-up decryption and determines the operation of enabling authority.

When being provided with A encryption mechanisms on an access control equipment, can be by the door of the access control equipment management and control Prohibit and be provided with corresponding A decryption mechanisms on card；When B encryption mechanisms are provided with the access card, institute State and be provided with access control equipment corresponding B decryption mechanisms.Wherein, the A encryption mechanisms can be with the B Encryption mechanism is identical, it is also possible to different.

Access control method proposed by the present invention, when access control equipment or access card do not receive any signal, In low power mode of operation, when signal is received, normal mode of operation is switched to from low-power consumption mode, And follow-up operation is carried out, reduce access control equipment OR gate and prohibit card energy consumption at one's leisure, and set in gate inhibition During the standby transmission low frequency card seeking signal to access card, first data are encrypted, then believed with low frequency card seeking Number launch, enhance the safety and reliability communicated between access control equipment and access card.

Further, reference picture 3, propose that access control method the 3rd of the present invention is implemented based on second embodiment Example, in the present embodiment, the high frequency response signal includes the card number and authority information of access card；It is above-mentioned Step S20 includes：

S21, obtain the high frequency response signal that the high-frequency circuit receives and decrypt, it is described to obtain The card number of access card, authority information；

After the high-frequency circuit of the access control equipment receives the high frequency response signal that access card sends, the gate inhibition The master controller of equipment obtains the high frequency response signal, and according to preset decryption mechanisms to the high frequency Response signal is decrypted, and the card number and authority information of the access card are obtained after successful decryption.It is described The authority information of acquisition includes the corresponding physics mark of gate inhibition that the corresponding access card of the card number can be opened The condition for meeting, the condition are needed when knowing and open each described gate inhibition can exist to limit access card Could be opened in stipulated time section and specify gate inhibition.

S22, card number, authority information according to preset gate inhibition's card information and the acquisition, judge the door Prohibit whether card has the enabling authority for opening the gate inhibition associated with the detection means；

S23, in the authority information of the acquisition, determined by the physical label of the card number and the gate inhibition Determined by the physical label of the card number and the gate inhibition in the authority for going out, with gate inhibition's card information Authority is consistent and when meeting door-opening condition, determines that the access card has and opens what is associated with the detection means The enabling authority of gate inhibition.

When the enabling authority of the access card is judged, the master controller is according to where the detection signal Communication path, it is determined that the physical label of the gate inhibition associated with the detection means.When the door for obtaining Prohibit card card number be present in preset gate inhibition's card information, and in the authority information of the acquisition by By the card number and the physics mark in the authority that the physical label is determined, with gate inhibition's card information The authority that knowledge is determined is consistent and when meeting door-opening condition, determines that the access card has opening and the detection The enabling authority of the gate inhibition of device association.

When obtain the access card card number not in preset gate inhibition's card information when, the access card without Authority opens the gate inhibition associated with the detection means；When obtain the access card card number be present in it is pre- In the gate inhibition's card information put, but in the authority information of the acquisition and preset gate inhibition's card information, by described When the authority that card number and the physical label are determined is inconsistent or is unsatisfactory for door-opening condition, the access card Also lack of competence opens the gate inhibition associated with the detection means.In the access control equipment according to the access card Authority open gate inhibition or after sending lack of competence alarm signal, the access control equipment reenters low-power consumption mould Formula.

Access control method proposed by the present invention, using low frequency activation, high-frequency communication, double-encryption it is logical Letter mode, and under the card number of access card and current gate inhibition the access card authority information, it is and preset Authority information of the card number under the gate inhibition described in gate inhibition's card information is consistent and when meeting door-opening condition, really The fixed access card has permission the opening gate inhibition, and only by way of opening gate inhibition by card number match Compare, enhance the security of access control.

The present invention also provides a kind of access control device, as shown in figure 4, showing access control of the present invention The high-level schematic functional block diagram of device first embodiment, described device includes：

Input module 100, for the detection signal that receiving detection device sends；

Main control module 200, for when the input module 100 receives the detection signal, controlling low Frequency module sends low frequency card seeking signal；

The low frequency module 300, for sending low frequency card seeking signal, for receiving the low frequency card seeking letter Number access card high frequency response signal is sent according to the low frequency card seeking signal；

The detection means can be capacitance sensor, thermoinduction sensor, pressure sensor, infrared biography Any one in sensor, is generally located on access control device nearby and can be logical with access control device (the card seeking signal that access control device sends can cover the detection means for communicating with area nearby to letter Domain).One gate inhibition's correspondence is associated with a detection means, and the detection means associated by different gate inhibitions can not Together.The detection means is used for when someone near access control device is detected, to the access control Device sends the detection signal that the triggering access control device searches the access card near it.

When user is close to gate inhibition or touches the detection means being arranged near gate inhibition, trigger and the gate inhibition The detection means of association sends detection signal, the master to the trigger input circuit of the input module 100 Master controller in control module 200 is controlled when the input module 100 receives the detection signal Low-frequency channel in the low frequency module 300 sends low frequency card seeking signal.Gate inhibition near the gate inhibition After clamping receives the low frequency card seeking signal, high frequency response signal is sent according to the low frequency card seeking signal. Because access control device is by sending access card of the low frequency card seeking signal search near it, and then and gate inhibition Cartoon letters realize the control to gate inhibition to determine the enabling authority of the access card, in whole process, use Family need not hold and go in front of access control device, take out access card and be placed on the brush of access control device Card region, and need to only carry the access card of enabling authority at one's side, save the step of swiping the card.

High-frequency model 400, for receiving the high frequency response signal；

The main control module 200, is additionally operable to obtain the high frequency response that the high-frequency model 400 is received Signal, according to the high frequency response signal and preset gate inhibition's card information, determines whether the access card has The enabling authority of the gate inhibition that opening is associated with the detection means；There are opening and the inspection in the access card During the enabling authority of the gate inhibition for surveying device association, controlled output module opens what is associated with the detection means Gate inhibition；

The output module 500, for opening the gate inhibition associated with the detection means.

The high-frequency circuit of the high-frequency model 400 receives the high frequency response signal that the access card sends, Master controller in the main control module 200 obtains the high frequency response signal, and according to the high frequency sound Induction signal and preset gate inhibition's card information, determine whether the access card has permission opening with the detection dress The gate inhibition of association is put, and provides corresponding access permission signal output.Wherein, the access card packet Include the thing of the gate inhibition that the card number of the access card that the access control device is capable of management and control is associated with detection means Reason is identified, authority information of the access card of different card numbers under the gate inhibition of different physical labels；One gate inhibition The card number of card being capable of one access card of unique mark；The master controller is by access control device and detection The path of device communication, it is determined that the physical label of the gate inhibition associated with the detection means；The authority letter Breath includes that can an access card be used to open the corresponding gate inhibition of a certain physical label and open the gate inhibition When need the condition that meets, the condition can could to open and refer in stipulated time section to limit access card Determine gate inhibition.

Master controller in the main control module 200 is it is determined that the access card has opening with the detection dress During the enabling authority of the gate inhibition for putting association, send enabling to the output circuit in the output module 500 and refer to Order, the gate inhibition that the detection means is associated is opened with by the output circuit；It is determined that the access card During without enabling authority, the master controller will not send door open command to the output circuit, now, can Alarm command is sent by the output circuit, is closed with pointing out user's lack of competence to open the detection means The gate inhibition of connection.

Master controller in the main control module 200 can be with one or more gate inhibitions of management and control, in the master control Device processed only one gate inhibition of management and control when, the access control device include by a master controller, one triggering The first instance structure that input circuit, low-frequency channel, a high-frequency circuit are constituted, and it is defeated by one Go out circuit composition second instance structure, or, the access control device be by a master controller, One trigger input circuit, low-frequency channel, high-frequency circuit, output circuit constitute the Three entity structures.

In master controller management and control multiple gate inhibition, the access control device is included by a main control The 4th entity structure that device is constituted, it is multiple by a trigger input circuit, low-frequency channel, one it is high The 5th entity structure that frequency circuit is constituted, the 6th entity structure that multiple is made up of an output circuit, its In, a gate inhibition is to that should have the 5th entity structure and the 6th entity structure；Or, The access control device includes the 4th entity structure being made up of a master controller, multiple to be touched by one The 7th entity that hair input circuit, low-frequency channel, high-frequency circuit, an output circuit are constituted Structure, wherein, a gate inhibition is to that should have the 7th entity structure.The access control device Master controller can be processed concurrently the corresponding communication path of each gate inhibition.

It is appreciated that in the access control device, the master controller of the main control module 200 can also When the trigger input circuit of the input module 100 receives detection signal, the high-frequency model is controlled 400 high-frequency circuit sends high frequency card seeking signal to the access card near gate inhibition, with by receiving the high frequency The access card of card seeking signal sends LF-response signal, and low-frequency channel by the low frequency module 300 connects Receive the LF-response signal so that the master controller carried out according to the LF-response signal it is follow-up Judge authority, and the operation for controlling the output circuit opening gate inhibition of the output module 500.

Access control device proposed by the present invention, when the access card near it is searched, using LF communication Mode, and access card respond the access control device when, it is dual by the way of high-frequency communication Radio communication enhances the safety and reliability of access control.

Further, reference picture 5, access control device second of the present invention is proposed based on above-mentioned first embodiment Embodiment, based on the embodiment shown in Fig. 4, the input module 100 includes：

First receiving unit 101, for receiving the detection signal；

Notification unit 102, for when the detection signal is received, being sent to the main control module 200 Trigger notice message；

The main control module 200 includes：

Second receiving unit 201, for receiving the trigger notice message；

Ciphering unit 202, for when the trigger notice message is received, obtain it is preset can be by institute The type of card of access control device identification is stated, and the card seeking information comprising the type of card is added It is close；

The trigger notice message is by the first receiving unit 101 of the input module 100 receiving When stating detection signal, the notification unit 102 sends to the master controller of the main control module 200. The access control device that is stored with the master controller is capable of the type of card belonging to the access card of management and control Etc. information.If the type of card stored on type of card belonging to an access card and the master controller Differ, then the access card can not open any one gate inhibition of the access control device management and control. The master controller can be encrypted using any encryption mechanism to the card seeking information, correspondingly, can be with There are corresponding decryption mechanisms on access card by the master controller management and control.

Control unit 203, for controlling the low frequency module 300 that the card seeking information after encryption is sought with low frequency Card signal is launched, and for receiving the access card of the low frequency card seeking signal, first the low frequency is sought Card signal is decrypted, and then according to the type of card obtained after decryption, determines whether the access card returns The access control device management and control, and when the access card returns the access control device management and control, send High frequency response signal.

, when detection signal is not received, the access control device is always for first receiving unit 101 In low-power consumption mode, under low-power consumption mode, the access control device power consumption is minimum, only supports to connect The detection signal that detection means sends is received, and when first receiving unit 101 receives detection signal, The access control device is switched to normal mode of operation from low-power consumption mode.Access card do not receive it is low Low-power consumption mode is constantly in during frequency card seeking signal, under low-power consumption mode, access card power consumption is minimum, only Support to receive the low frequency card seeking signal that the access control device sends, and receiving low frequency card seeking signal When, it is switched to normal mode of operation, i.e. access card from low-power consumption mode and is activated.

The trigger input circuit of the input module 100 after the detection signal that detection means sends is received, The access control device is switched to normal mode of operation from low-power consumption mode, and activates low-frequency channel, main Controller controls the low-frequency channel to send the 125KHz low frequency card seeking signals comprising encryption information, to search And wake up the access card near the access control device.Access card near the access control device On low-frequency channel receive the low frequency card seeking signal after, the access card is activated, and is arranged on described Microcontroller on access card is decrypted according to preset decryption mechanisms to the low frequency card seeking signal, and The data field in the low frequency card seeking signal, after checking successfully, the gate inhibition are verified after successful decryption High-frequency circuit on card sends the high frequency response signal comprising encryption information with the frequency of 868-915KHz. When not having access card to respond near the access control device, the master controller attempts access control again The low-frequency channel of control device sends low frequency card seeking signal, and at most attempts three times, if access control is filled The high-frequency circuit put does not receive the response signal that access card sends for three times, and the access control device is again Into low-power consumption mode；If once receiving access card during the high-frequency circuit of access control device to send High frequency response signal, then the master controller according to the high frequency response signal carry out follow-up decryption and It is determined that the operation of enabling authority.

When being provided with A encryption mechanisms on an access control device, can be by the access control device Corresponding A decryption mechanisms are provided with the access card of management and control；B encryption equipments are provided with the access card When processed, corresponding B decryption mechanisms are provided with the access control device.Wherein, the A encryption equipments System can be identical with the B encryption mechanisms, it is also possible to different.

Access control device proposed by the present invention, any letter is not received in access control device or access card Number when, in low power mode of operation, when signal is received, normal work is switched to from low-power consumption mode Operation mode, and follow-up operation is carried out, reduce access control device OR gate and prohibit card energy consumption at one's leisure, And when access control device sends low frequency card seeking signal to access card, first data are encrypted, then Launch with low frequency card seeking signal, enhance the safety communicated between access control device and access card Property and reliability.

Further, reference picture 6, access control device the 3rd of the present invention is proposed based on above-mentioned second embodiment Embodiment, in the present embodiment, the high frequency response signal includes the card number and authority information of access card； Based on the embodiment shown in Fig. 5, the main control module 200 also includes：

Decryption unit 204, for obtaining the high frequency response signal that the high-frequency model 400 receives simultaneously Decryption, to obtain card number, the authority information of the access card；

It is described after the high-frequency circuit of the high-frequency model 400 receives the high frequency response signal that access card sends The master controller of main control module 200 obtains the high frequency response signal, the control of the main control module 200 Unit 203 is decrypted according to preset decryption mechanisms to the high frequency response signal, after successful decryption Obtain the card number and authority information of the access card.The authority information of the acquisition includes card number correspondence The corresponding physical label of gate inhibition that can open of access card and need to meet when opening each described gate inhibition Condition, the condition can could open specified gate inhibition to limit access card in stipulated time section.

Judging unit 205, for card number, authority information according to preset gate inhibition's card information and the acquisition, Judge whether the access card has the enabling authority for opening the gate inhibition associated with the detection means；

Determining unit 206, in the authority information of the acquisition, by the card number and the gate inhibition By the card number and the physics of the gate inhibition in the authority that physical label is determined, with gate inhibition's card information The authority that mark is determined is consistent and when meeting door-opening condition, determines that the access card has opening and the inspection Survey the enabling authority of the gate inhibition of device association.

The judging unit 205 when the enabling authority of the access card is judged, the determining unit 206 Communication path according to where the detection signal, it is determined that the physics of the gate inhibition associated with the detection means Mark.In the card number of the access card for obtaining is present in preset gate inhibition's card information, and in institute State the authority determined by the physical label in the authority information of acquisition, with gate inhibition's card information in by The card number is consistent with the authority that the physical label is determined and when meeting door-opening condition, determines the door Prohibiting card has the enabling authority for opening the gate inhibition associated with the detection means.

When obtain the access card card number not in preset gate inhibition's card information when, the access card without Authority opens the gate inhibition associated with the detection means；When obtain the access card card number be present in it is pre- In the gate inhibition's card information put, but in the authority information of the acquisition and preset gate inhibition's card information, by described When the authority that card number and the physical label are determined is inconsistent or is unsatisfactory for door-opening condition, the access card Also lack of competence opens the gate inhibition associated with the detection means.In the access control device according to the door After prohibiting the authority opening gate inhibition of card or sending lack of competence alarm signal, the access control device is reentered Low-power consumption mode.

Access control device proposed by the present invention, using low frequency activation, high-frequency communication, double-encryption it is logical Letter mode, and under the card number of access card and current gate inhibition the access card authority information, it is and preset Authority information of the card number under the gate inhibition described in gate inhibition's card information is consistent and when meeting door-opening condition, really The fixed access card has permission the opening gate inhibition, and only by way of opening gate inhibition by card number match Compare, enhance the security of access control.

The present invention also provides a kind of access control equipment, and the access control equipment is included described in any of the above-described embodiment Access control device.

In the access control device, the master controller of the main control module 200 can with management and control one or Multiple gate inhibitions, in the master controller only one gate inhibition of management and control, the access control device is included by one Individual master controller, trigger input circuit, low-frequency channel, high-frequency circuit constitute first Entity structure, and the second instance structure being made up of an output circuit, or, the access control dress Be set to by a master controller, trigger input circuit, low-frequency channel, high-frequency circuit, The 3rd entity structure that one output circuit is constituted.

Access control equipment proposed by the present invention, using low frequency activation, high-frequency communication, double-encryption communication party Formula, enhances the safety and reliability of access control.

The present invention also provides a kind of gate control system, as shown in fig. 7, showing gate control system of the present invention first The structural representation of embodiment, in the present embodiment, shown gate control system includes detection means 10, gate inhibition Equipment 20, access card 30, the access control equipment 20 are the access control equipment described in any of the above-described embodiment； The detection means 10, for when people is detected close to the access control equipment 20, to the access control equipment 20 send detection signal；

The access control equipment 20, for when the detection signal is received, sending low frequency card seeking signal；

The access card 30, for when the low frequency card seeking signal is received, according to the low frequency card seeking Signal sends high frequency response signal；

The access control equipment 20, is additionally operable to receive the high frequency response signal, is believed according to the high frequency response Number and preset gate inhibition's card information, determine the access card 30 whether have opening and the detection means 10 The enabling authority of the gate inhibition of association；Have in the access card 30 and open what is associated with the detection means 10 During the enabling authority of gate inhibition, the gate inhibition that opening is associated with the detection means 10.

The access control equipment 20 includes master controller, trigger input circuit, low-frequency channel, high-frequency circuit, Output circuit, control system is provided with the master controller.The detection means 10 can be that electric capacity is passed Any one in sensor, thermoinduction sensor, pressure sensor, infrared sensor, is generally located on Access control equipment 20 nearby and (the card seeking signal energy that access control equipment 20 sends that can be communicated with access control equipment 20 Enough cover the near zone of detection means 10 for communicating with).One gate inhibition's correspondence is associated with a detection Device 10, the detection means 10 associated by different gate inhibitions can be with difference.The detection means 10 is used for When detecting someone near access control equipment 20, the triggering access control equipment is sent to the access control equipment 20 20 detection signals for searching the access card 30 near it.

When user is close to gate inhibition or touches the detection means 10 being arranged near gate inhibition, trigger and the door The detection means 10 for prohibiting association sends inspection to the trigger input circuit of the access control equipment 20 of gate inhibition described in management and control Signal is surveyed, the master controller of the access control equipment 20 receives the detection letter in the trigger input circuit Number when, control the low-frequency channel to send low frequency card seeking signal.Access card 30 near the gate inhibition connects After receiving the low frequency card seeking signal, high frequency response signal is sent according to the low frequency card seeking signal.Due to Access control equipment 20 is by sending access card 30 of the low frequency card seeking signal search near it, and then and access card 30 communicate with determining the enabling authority of the access card 30, realize the control to gate inhibition, in whole process, User need not hold and go in front of access control equipment 20, take out access card 30 and be placed on access control equipment 20 Swipe the card region, and need to only carry the access card 30 of enabling authority at one's side, save the step swiped the card Suddenly.

The high-frequency circuit of the access control equipment 20 receives the high frequency response letter that the access card 30 sends Number, the master controller obtains the high frequency response signal, and according to the high frequency response signal and preset Gate inhibition's card information, determine the access card 30 whether have permission opening associated with the detection means 10 Gate inhibition, and provide corresponding access permission signal output.Wherein, the access card information includes described The physics of the gate inhibition that the card number that access control equipment 20 is capable of the access card 30 of management and control is associated with detection means 10 The authority information of the access card 30 under the gate inhibition of different physical labels of mark, different card numbers；One gate inhibition The card number of card 30 being capable of one access card 30 of unique mark；The master controller by access control equipment 20 with The path of the communication of detection means 10, it is determined that the physical label of the gate inhibition associated with the detection means 10； The authority information include access card 30 can be used to opening the corresponding gate inhibition of a certain physical label and The condition for meeting is needed when opening the gate inhibition, the condition can be restriction access card 30 in the stipulated time Could be opened in section and specify gate inhibition.

The master controller of the access control equipment 20 is it is determined that the access card 30 has opening with the detection dress During the enabling authority of the gate inhibition for putting 10 associations, door open command is sent to the output circuit of access control equipment 20, The gate inhibition that the detection means 10 is associated is opened with by the output circuit；It is determined that the access card 30 During without enabling authority, the master controller will not send door open command to the output circuit, now, can Alarm command is sent by the output circuit, to point out user's lack of competence to open the detection means 10 The gate inhibition of association.

The master controller can be with one or more gate inhibitions of management and control, in the master controller only one door of management and control During taboo, the access control equipment 20 is included by a master controller, trigger input circuit, a low frequency The first instance structure that circuit, a high-frequency circuit are constituted, and second be made up of an output circuit is real Body structure, or, the access control equipment 20 is by a master controller, trigger input circuit, one The 3rd entity structure that individual low-frequency channel, high-frequency circuit, an output circuit are constituted.

In master controller management and control multiple gate inhibition, the access control equipment 20 is included by a master controller The 4th entity structure for constituting, multiple is by a trigger input circuit, low-frequency channel, a high frequency The 5th entity structure that circuit is constituted, the 6th entity structure that multiple is made up of an output circuit, wherein, One gate inhibition is to that should have the 5th entity structure and the 6th entity structure；Or, institute Stating access control equipment 20 includes the 4th entity structure being made up of a master controller, multiple defeated by a triggering Enter circuit, the 7th entity structure that low-frequency channel, high-frequency circuit, an output circuit are constituted, Wherein, a gate inhibition is to that should have the 7th entity structure.The master controller of the access control equipment 20 Concurrently the corresponding communication path of each gate inhibition can be processed.

It is appreciated that the master controller of the access control equipment 20 can also receive inspection in trigger input circuit When surveying signal, control high-frequency circuit sends high frequency card seeking signal to the access card 30 near gate inhibition, with by connecing The access card 30 for receiving the high frequency card seeking signal sends LF-response signal, and by the access control equipment 20 Low-frequency channel receive the LF-response signal so that the master controller is believed according to the LF-response Follow-up judgement authority number is carried out, and control output circuit opens the operation of gate inhibition.

Gate control system proposed by the present invention, access control equipment 20 is adopted when the access card 30 near it is searched With the mode of LF communication, and when access card 30 responds access control equipment 20, using the side of high-frequency communication Formula, dual radio communication enhances the safety and reliability of access control.

Further, gate control system second embodiment of the present invention is proposed based on above-mentioned first embodiment, at this In embodiment, the access control equipment 20 is additionally operable to：

When the detection signal is received, the preset card that can be recognized by the access control equipment 20 is obtained Sheet type, and the card seeking information comprising the type of card is encrypted；By the card seeking information after encryption Launched with low frequency card seeking signal；

The access card 30, is additionally operable to, when the low frequency card seeking signal is received, first seek the low frequency Whether card signal is decrypted, and then according to the type of card obtained after decryption, determines the access card 30 Return the management and control of the access control equipment 20, and when the access card 30 returns 20 management and control of access control equipment, hair Go out high frequency response signal.

The trigger notice message by the trigger input circuit when the detection signal is received, to institute Master controller is stated to send.The access control equipment 20 that is stored with the master controller is capable of the gate inhibition of management and control The information such as the type of card belonging to card 30.If type of card and the master belonging to an access card 30 The type of card stored on controller is differed, then the access card 30 can not open the access control equipment Any one gate inhibition of 20 management and control.The master controller can be using any encryption mechanism to the card seeking information It is encrypted, correspondingly, can be by having corresponding deciphering machine on the access card 30 of the master controller management and control System.

The access control equipment 20 is constantly in low-power consumption mode when detection signal is not received, in low-power consumption Under pattern, the access control equipment 20 consumes energy at least, only supports the detection letter that receiving detection device 10 sends Number, and when detection signal is received, normal mode of operation is switched to from low-power consumption mode.Access card 30 Low-power consumption mode is constantly in when low frequency card seeking signal is not received, under low-power consumption mode, access card 30 power consumptions are minimum, only support to receive the low frequency card seeking signal that the access control equipment 20 sends, and receiving During low frequency card seeking signal, it is switched to normal mode of operation, i.e. access card 30 from low-power consumption mode and is activated.

The trigger input circuit of the access control equipment 20 is receiving the detection signal that detection means 10 sends Afterwards, the access control equipment 20 is switched to normal mode of operation from low-power consumption mode, and activates low-frequency channel, Low-frequency channel described in main controller controls sends the 125KHz low frequency card seeking signals comprising encryption information, to search Seek and wake up the access card 30 near the access control equipment 20.Gate inhibition near the access control equipment 20 After low-frequency channel on card 30 receives the low frequency card seeking signal, the access card 30 is activated, if The microcontroller put on the access card 30 enters according to preset decryption mechanisms to the low frequency card seeking signal Row decryption, and the data field in the low frequency card seeking signal is verified after successful decryption, after checking successfully, High-frequency circuit on the access card 30 sends the high frequency comprising encryption information with the frequency of 868-915KHz Response signal.When being responded without access card 30 near the access control equipment 20, the master controller is tasted The low-frequency channel of examination access control equipment 20 again sends low frequency card seeking signal, and at most attempts three times, such as The high-frequency circuit of fruit access control equipment 20 does not receive the response signal that access card 30 sends, the door for three times Taboo equipment 20 reenters low-power consumption mode；If once received during the high-frequency circuit of access control equipment 20 To the high frequency response signal that access card 30 sends, then the master controller enters according to the high frequency response signal The follow-up decryption of row and the operation of determination enabling authority.

When being provided with A encryption mechanisms on an access control equipment 20, can be managed by the access control equipment 20 Corresponding A decryption mechanisms are provided with the access card 30 of control；B is provided with the access card 30 to add During close mechanism, corresponding B decryption mechanisms are provided with the access control equipment 20.Wherein, the A encryptions Mechanism can be identical with the B encryption mechanisms, it is also possible to different.

Gate control system proposed by the present invention, any signal is not received in access control equipment 20 or access card 30 When, in low power mode of operation, when signal is received, normal work is switched to from low-power consumption mode Pattern, and follow-up operation is carried out, access control equipment 20 or access card 30 energy consumption at one's leisure are reduced, And when access control equipment 20 sends low frequency card seeking signal to access card 30, first data are encrypted, so Launch with low frequency card seeking signal afterwards, enhance what is communicated between access control equipment 20 and access card 30 Safety and reliability.

Further, gate control system 3rd embodiment of the present invention is proposed based on above-mentioned second embodiment, at this In embodiment, the high frequency response signal includes the card number and authority information of access card 30；The gate inhibition sets Standby 20 are additionally operable to：

Receive the high frequency response signal and decrypt, to obtain card number, the authority information of the access card 30；

After the high-frequency circuit of the access control equipment 20 receives the high frequency response signal that access card 30 sends, institute The master controller for stating access control equipment 20 obtains the high frequency response signal, and according to preset decryption mechanisms pair The high frequency response signal is decrypted, and the card number and authority of the access card 30 are obtained after successful decryption Information.The authority information of the acquisition includes the gate inhibition couple that the corresponding access card 30 of the card number can be opened The physical label answered and need when opening each described gate inhibition the condition for meeting, the condition can be limited Determining access card 30 could open specified gate inhibition in stipulated time section.

According to preset gate inhibition's card information and card number, the authority information of the acquisition, the access card is judged Whether 30 have the enabling authority for opening the gate inhibition associated with the detection means 10；

In the authority information of the acquisition, determined by the physical label of the card number and the gate inhibition The authority determined by the physical label of the card number and the gate inhibition in authority, with gate inhibition's card information It is consistent and when meeting door-opening condition, determine that the access card 30 has opening to be associated with the detection means 10 Gate inhibition enabling authority.

When the enabling authority of the access card 30 is judged, the master controller is according to the detection signal institute Communication path, it is determined that the physical label of the gate inhibition associated with the detection means 10.When the institute for obtaining The card number for stating access card 30 is present in preset gate inhibition's card information, and in the authority letter of the acquisition By the card number and described in the authority determined by the physical label in breath, with gate inhibition's card information Authority that physical label is determined is consistent and when meeting door-opening condition, determine the access card 30 have opening with The enabling authority of the gate inhibition of the association of the detection means 10.

When the card number of the access card 30 for obtaining is not in preset gate inhibition's card information, the access card 30 lacks of competence open the gate inhibition associated with the detection means 10；When the card of the access card 30 for obtaining Number it is present in preset gate inhibition's card information, but the authority information of the acquisition and preset gate inhibition's card information In, when the authority determined by the card number and the physical label is inconsistent or is unsatisfactory for door-opening condition, Also lack of competence opens the gate inhibition associated with the detection means 10 to the access card 30.Set in the gate inhibition After standby 20 open gate inhibition or send lack of competence alarm signal according to the authority of the access card 30, the door Taboo equipment 20 reenters low-power consumption mode.

Gate control system proposed by the present invention, using low frequency activation, high-frequency communication, double-encryption communication party Formula, and under the card number of access card 30 and current gate inhibition the access card 30 authority information, it is and preset Gate inhibition's card information described in authority information of the card number under the gate inhibition it is consistent and when meeting door-opening condition, Determine that the access card 30 has permission the opening gate inhibition, with only matched by card number by opening gate inhibition Mode is compared, and enhances the security of access control.

The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every The equivalent structure or equivalent flow conversion made using description of the invention and accompanying drawing content, or directly or Connect and be used in other related technical fields, be included within the scope of the present invention.

Claims

1. a kind of access control method, it is characterised in that the access control method includes：

A, trigger input circuit receive detection means transmission detection signal when, the master of access control equipment Controller control low-frequency channel sends low frequency card seeking signal, for receiving the door of the low frequency card seeking signal Prohibit card and high frequency response signal is sent according to the low frequency card seeking signal；

The high frequency response signal that B, acquisition high-frequency circuit are received, according to the high frequency response signal With preset gate inhibition's card information, determine whether the access card has the door opened and associated with the detection means The enabling authority of taboo；

C, the access card have open associate with the detection means gate inhibition enabling authority when, control Output circuit processed opens the gate inhibition associated with the detection means.

2. access control method as claimed in claim 1, it is characterised in that above-mentioned steps A includes：

3. access control method as claimed in claim 2, it is characterised in that the high frequency response signal Card number and authority information including access card；Above-mentioned steps B includes：

4. a kind of access control device, it is characterised in that the access control device includes：

Input module, for the detection signal that receiving detection device sends；

High-frequency model, for receiving the high frequency response signal；

5. access control device as claimed in claim 4, it is characterised in that the input module includes：

First receiving unit, for receiving the detection signal；

The main control module includes：

Second receiving unit, for receiving the trigger notice message；

6. access control device as claimed in claim 5, it is characterised in that the high frequency response signal Card number and authority information including access card；The main control module also includes：

7. a kind of access control equipment, it is characterised in that the access control equipment is included as claim 4-6 is any Access control device described in.

8. a kind of gate control system, including detection means, access control equipment, access card, it is characterised in that institute Access control equipment is stated for access control equipment as claimed in claim 7；The detection means, for detecting When people is close to the access control equipment, detection signal is sent to the access control equipment；

9. gate control system as claimed in claim 8, it is characterised in that the access control equipment is additionally operable to：

10. gate control system as claimed in claim 9, it is characterised in that the high frequency response signal bag Include the card number and authority information of access card；The access control equipment is additionally operable to：