CN104637147A - Method and device for searching network by triggering wireless communication module of fingerprint door lock - Google Patents
Method and device for searching network by triggering wireless communication module of fingerprint door lock Download PDFInfo
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- CN104637147A CN104637147A CN201510051195.7A CN201510051195A CN104637147A CN 104637147 A CN104637147 A CN 104637147A CN 201510051195 A CN201510051195 A CN 201510051195A CN 104637147 A CN104637147 A CN 104637147A
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Abstract
The invention provides a method and a device for searching a network by triggering a wireless communication module of a fingerprint door lock. The method and the device are used for solving the problems that the conventional fingerprint door lock is high in power consumption and the fingerprint door lock possibly cannot be connected with the network during use. The method comprises the following steps: judging whether the wireless communication module of the fingerprint door lock is connected with the network when a slip cover of the fingerprint door lock is detected to be opened; and triggering the wireless communication module to search a nearby wireless network in a preset time period under the condition that the connection between wireless communication module and the network is disconnected, so that the wireless communication module is connected with the searched wireless network. According to the scheme, the power consumption of the fingerprint door lock is reduced.
Description
Technical field
The present invention relates to field of mobile communication, particularly relate to a kind of method and the device that trigger the wireless communication module search network of fingerprint gate lock.
Background technology
In informationized society, the safe antitheft of public building and residential building is most important, and based on this, fingerprint gate lock arises at the historic moment.In the use procedure of fingerprint gate lock, user needs to be stored in by individual finger print information in advance in the reservoir of fingerprint door latch, when the fingerprint of user is identified, door lock is opened or is closed, particularly, if the finger print information of user's input and the finger print information of storage match, namely door lock is opened, if do not mated, door lock is not then opened.
Fingerprint gate lock generally adopts wireless communication module to communicate with network, with realization to the authentication of fingerprint of user's input and reporting of door lock state, when wireless communication module cannot connected to the network time, cordless communication network around the search that wireless communication module can continue, the larger to the consumption of electricity of fingerprint gate lock can be caused like this, and also directly cannot use civil power due to current fingerprint gate lock, generally powered by battery, so, fingerprint gate lock to economize on electricity requirement higher, at present, there is such solution, namely wireless communication module cannot connected to the network time, periodic search, such as, search in one day once, but, this mode is likely carried out web search and is automatically connected when fingerprint gate lock is without the need to networking, waste is caused to the electric energy of fingerprint gate lock, also likely occur that the problem that is connected cannot be carried out with network when needing to use fingerprint gate lock in family simultaneously.
Summary of the invention
The invention provides a kind of method and the device that trigger the wireless communication module search network of fingerprint gate lock, comparatively large in order to solve current fingerprint gate lock power consumption, and likely appear at the problem that cannot connect with network when using fingerprint gate lock.
According to an aspect of the present invention, providing a kind of method triggering the wireless communication module search network of fingerprint gate lock, comprising: when detecting that the slip lid of fingerprint gate lock is opened, judging whether the wireless communication module of fingerprint gate lock keeps being connected with network; When wireless communication module is connected to the network disconnect, trigger wireless communication module search in preset time period near wireless network, to set up with the wireless network searched to make wireless communication module and be connected.
Wherein, trigger wireless communication module search in preset time period near wireless network, comprise: trigger the network coordinator near the zigbee node module search in wireless communication module, connected by network coordinator and network to make zigbee node module.
Wherein, when detecting that the slip lid of fingerprint gate lock is opened, judge whether the wireless communication module of fingerprint gate lock keeps being connected with network, comprise: when detecting that the slip lid of fingerprint gate lock is sliped off, trigger the micro-control unit MCU interruption of fingerprint gate lock, obtain from the zigbee node module in wireless communication module the message whether zigbee node module keep with network coordinator being connected to make MCU.
Wherein, trigger wireless communication module search in preset time period near wireless network, to set up with the wireless network searched to make wireless communication module and be connected, comprise: trigger the zigbee node module search network telegon in preset time period in wireless module, after success to be searched, stop search and connect with the network coordinator searched.
Further, said method also comprises, and after detecting that the slip lid of fingerprint gate lock is closed, makes MCU be in dormant state.
According to another aspect of the present invention, provide a kind of device triggering the wireless communication module search network of fingerprint gate lock, comprising: judge module, for when detecting that the slip lid of fingerprint gate lock is opened, judging whether the wireless communication module of fingerprint gate lock keeps being connected with network; Trigger module, for when wireless communication module is connected to the network disconnect, trigger wireless communication module search in preset time period near wireless network, to set up with the wireless network searched to make wireless communication module and be connected.
Wherein, trigger module is used for, and triggers the network coordinator near the zigbee node module search in wireless communication module, is connected to make zigbee node module by network coordinator and network.
Wherein, judge module is used for, when detecting that the slip lid of fingerprint gate lock is sliped off, triggering the micro-control unit MCU interruption of fingerprint gate lock, obtaining from the zigbee node module in wireless communication module the message whether zigbee node module keep with network coordinator being connected to make MCU.
Wherein, trigger module is used for, and triggers the zigbee node module search network telegon in preset time period in wireless module, after success to be searched, stops search and connect with the network coordinator searched.
Further, said apparatus also comprises sleep block, for after detecting that the slip lid of fingerprint gate lock is closed, makes MCU be in dormancy state.
Beneficial effect of the present invention is as follows:
The scheme of the embodiment of the present invention, when the slip lid unlatching of fingerprint gate lock being detected and its wireless communication module does not connect with network, wireless network near the wireless module search of triggering fingerprint gate lock, decrease the duration of radio communication mold block search, reduce the power consumption of fingerprint gate lock.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the method for the wireless communication module search network of the triggering fingerprint gate lock of the embodiment of the present invention 1;
Fig. 2 is the structured flowchart of the device of the wireless communication module search network of the triggering fingerprint gate lock of the embodiment of the present invention 2.
Embodiment
In order to solve the larger problem of prior art fingerprint gate lock power consumption, the invention provides a kind of method and the device that trigger the wireless communication module search network of fingerprint gate lock, below in conjunction with accompanying drawing and embodiment, the present invention being further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, do not limit the present invention.
Embodiment 1
Fig. 1 is the process flow diagram of the method for the wireless communication module search network of the triggering fingerprint gate lock of the embodiment of the present invention 1, and as shown in Figure 1, the method comprises the steps:
Step 101: when detecting that the slip lid of fingerprint gate lock is opened, judge whether the wireless communication module of fingerprint gate lock keeps being connected with network;
Preferably, the wireless communication module in the present embodiment can comprise zigbee node module, and based on this, this step 101 specifically can comprise following process:
When detecting that the slip lid of fingerprint gate lock is sliped off, trigger MCU (the Micro ControlUnit of fingerprint gate lock, micro-control unit) interrupt, make its state of resuming operation, and then MCU obtains from zigbee node module the message whether zigbee node module keep with network coordinator being connected, namely judge that the operation whether connected to the network of zigbee node module can be undertaken by zigbee node module self, then, judged result is fed back to MCU by it.
Step 102: when wireless communication module is connected to the network disconnect, trigger wireless communication module search in preset time period near wireless network.
Wherein, comprise on the basis of zigbee node module at above-mentioned wireless communication module, wireless network near triggering radio communication mold block search in this step 102, comprise: trigger the network coordinator near the search of zigbee node module, connected by network coordinator and network to make zigbee node module.
Wherein, trigger wireless communication module search in preset time period near wireless network, specifically can comprise: trigger zigbee node module search network telegon in preset time period, such as, 20 seconds, meanwhile, in order to reduce power consumption further, judging that zigbee node module is searched for successfully, stopping search and connect with the network coordinator searched.
In the present embodiment, when door lock is not used, MCU can be made all to be in dormant state, so said method can further include, after MCU detects that the slip lid of fingerprint gate lock is closed, make self to be in dormant state.
Preferably, the zigbee node module in the present embodiment, hereinafter referred to as node or zigbee node, is connected by network coordinator and network and specifically can comprise following process:
Zigbee network in the present embodiment is set up by network coordinator, it should be noted that, any one zigbee node will set up a network must meet following 2 requirements:
(1) node is FFD (Full Function Device, global function node), possesses the ability of zigbee telegon;
(2) node is not also connected with other networks, and when node is connected with other networks, this node can only as the child node of this network, because have in a zigbee network and only have a network coordinator.
After the above steps, network coordinator is determined:
First whether decision node is FFD node, then judges whether whether this FFD node exist telegon in other networks or in network.Pass through active scan, send a beacon request order (Beaconrequest command), scanning time limit (T_scan_duration) is then set, if all beacon do not detected within the scanning time limit, so just think that FFD does not have telegon in its pos, so now just can set up the zigbee network of oneself, and constantly produce beacon as the telegon of this network and broadcast away.Wherein, in a network, have and a telegon (coordinator) can only be had.
After determining network coordinator, carry out channel scan procedure:
Scan channel comprises energy scan and active scan two processes, first carries out energy measuring to the channel of the channel of specifying or acquiescence, to avoid possible interference.Incrementally carry out channel sequence to measured energy value, dump energy value, beyond the channel that can allow energy level, selects to allow the channel of energy level, and to mark these channels are available channels.Then active scan is carried out, the network information in search node communication radius.These information are broadcasted in a network with the form of beacon frame, node obtains these beacon frames by active channel scan mode, then according to these information, find best, a relatively quiet channel, by the result of record, select a channel, should there is minimum zigbee network in this channel, preferably do not have zigbee equipment.During active scan, all frames except beacon that MAC layer will abandon PHY layer data, services and receives.
Network ID is set:
After finding suitable channel, telegon will be selected network identifier (the PAN ID of network, value <=0x3FFF), this ID is unique in used channel, can not conflict with other zigbee network, and can not be broadcast address 0xFFFF (this address is reserved address, can not use).PAN ID can by intercepting the ID of other networks, then selects the mode of an ID that can not conflict to obtain, after the channel of invisible scanning that also can be artificial, and the PAN ID of other network conflicts of determining to get along well.
In zigbee network, have two kinds of address patterns: extended address (64) and short address (16), wherein, extended address is organized by IEEE and is distributed, for unique device identification; Short address is used for device identification in local network, and in one network, the short address of each equipment must be unique, when node adds network by his father's peer distribution and by using short address to communicate.For telegon, short address is set as 0x0000 usually.
After above-mentioned steps completes, the zigbee mesh network with regard to successful initialization, just waits for adding of other nodes afterwards.Father node (comprising telegon) the strongest for signal in range of choice is added network when networking by node, to obtain a network short address after success and carried out transmission and the reception of data by this address, network topology and address will be kept in respective flash.
Zigbee node module, adds network by telegon:
After telegon is determined, first node needs to connect with telegon to add network.
In order to connect, FFD node needs to file a request to telegon, and telegon according to circumstances determines whether allow it to connect after receiving the connection request of node, then makes response to the node that request connects, after node and telegon connect, the transmitting-receiving of data could be realized.The idiographic flow that node adds network can be divided into step below:
Network Search telegon:
First active scan can search the telegon of ambient network, if beacon detected within the scanning time limit, then obtain telegon for information about, at this moment just send connection request to telegon.After selecting suitable network, request MAC layer arranges PIB attributes such as phyCurrentChannel, macPANID of Physical layer PHY and MAC layer by upper strata accordingly.
Send association request command (Associaterequest command): association request command is sent to telegon by node, an acknowledgement frame (ACK) is replied immediately after telegon receives, upper strata simultaneously to it sends connection indication, represents the connection request having received node.But this does not also mean that and connects, and an expression telegon has received the connection request of node.After the upper strata of the mac layer of telegon receives connection indication, the resource situation (storage space and energy) according to oneself is determined whether agree to joining request of this node, send response then to the mac layer of node.
Wait for mediators handle:
When node receives after telegon adds the ACK of association request command, node mac will wait for a period of time, and accept the connection response of telegon.Within the predetermined time, if receive connection response, the upper strata of this response to it is noticed by it.And telegon waits for the process of telegon to its order that joins request to arranging a wait-for-response time (T_ResponseWaitTime) during the mac layer of node transmission response, if the resource of telegon is enough, telegon can give the short address of peer distribution one 16, and producing the connection response order comprising new address and successful connection state, then this node will successfully connect with telegon and can start to communicate.If telegon resource is inadequate, node to be added will resend solicited message, directly network successfully.
Send data request command:
If telegon agrees to that within the response time node adds, so will produce associated response order (Associateresponse command) and store this order.When after the response time, node sends data request command (Datarequest command) to telegon, replys ACK immediately, then node is issued in the associated response order of storage after telegon receives.If after the response time arrives, telegon does not also determine whether agree to that node adds, and so node extracts associated response order by attempting from the beacon frame of telegon, and successfully words just can network successfully, otherwise resend solicited message until network successfully.
It should be noted that, the networking mode of above zigbee node module is only the better implementation method of the present embodiment, and not exclusive embodiment, after zigbee searches network coordinator, networking can also be carried out according to other modes existing, will not enumerate herein.
Embodiment 2
Fig. 2 is the structured flowchart of the device of the wireless communication module search network of the triggering fingerprint gate lock of the embodiment of the present invention 2, and as shown in Figure 2, this device 20 comprises following ingredient:
Judge module 21, for when detecting that the slip lid of fingerprint gate lock is opened, judges whether the wireless communication module of fingerprint gate lock keeps being connected with network;
Trigger module 22, for when wireless communication module is connected to the network disconnect, trigger wireless communication module search in preset time period near wireless network.
Wherein, above-mentioned trigger module 22 specifically may be used for the network coordinator of the zigbee node module search annex triggered in wireless communication module, is connected by network coordinator and network to make zigbee node module.
Above-mentioned judge module 21 specifically for, when detecting that the slip lid of fingerprint gate lock is sliped off, trigger the micro-control unit MCU interruption of fingerprint gate lock, obtain from zigbee node module the message whether zigbee node module keep with network coordinator being connected to make MCU.
Wherein, above-mentioned trigger module 22 for, trigger zigbee node module search network telegon in preset time period, after success to be searched, stop search and connect with the network coordinator searched.
In order to make fingerprint gate lock energy-conservation further, said apparatus can also comprise, sleep block, for after detecting that the slip lid of fingerprint gate lock is closed, makes MCU be in dormancy state.
The scheme of the embodiment of the present invention, when the slip lid unlatching of fingerprint gate lock being detected and its wireless communication module does not connect with network, wireless network near the radio communication mold block search of triggering fingerprint gate lock, because user used the number of times of fingerprint gate lock to be limited within one day, so the number of times triggering radio communication mold block search annex wireless network event is also limited, which reduces the duration of radio communication mold block search, reduce the power consumption of fingerprint gate lock.
Although be example object, disclose the preferred embodiments of the present invention, it is also possible for those skilled in the art will recognize various improvement, increase and replacement, and therefore, scope of the present invention should be not limited to above-described embodiment.
Claims (10)
1. trigger a method for the wireless communication module search network of fingerprint gate lock, it is characterized in that, comprising:
When detecting that the slip lid of fingerprint gate lock is opened, judge whether the wireless communication module of fingerprint gate lock keeps being connected with network;
When described wireless communication module is connected to the network disconnect, trigger described wireless communication module search in preset time period near wireless network, to set up with the wireless network searched to make described wireless communication module and be connected.
2. the method for claim 1, is characterized in that, the described wireless communication module of described triggering search in preset time period near wireless network, comprising:
Trigger the network coordinator near the zigbee node module search in described wireless communication module, connected by described network coordinator and network to make described zigbee node module.
3. the method for claim 1, is characterized in that, described when detecting that the slip lid of fingerprint gate lock is opened, and judges whether the wireless communication module of fingerprint gate lock keeps being connected with network, comprising:
When detecting that the slip lid of fingerprint gate lock is sliped off, the micro-control unit MCU triggering described fingerprint gate lock produces and interrupts, and obtains the message whether zigbee node module keep with network coordinator being connected to make described MCU from the zigbee node module in described wireless communication module.
4. the method for claim 1, is characterized in that, the described wireless communication module of described triggering search in preset time period near wireless network, to set up with the wireless network searched to make described wireless communication module and be connected, comprising:
Trigger the zigbee node module search network telegon in preset time period in described wireless module, after success to be searched, stop search and connect with the network coordinator searched.
5. the method as described in Claims 1 to 4 any one, is characterized in that, described method also comprises, and after detecting that the slip lid of described fingerprint gate lock is closed, makes the MCU of described fingerprint gate lock be in dormant state.
6. trigger a device for the wireless communication module search network of fingerprint gate lock, it is characterized in that, comprising:
Judge module, for when detecting that the slip lid of fingerprint gate lock is opened, judges whether the wireless communication module of fingerprint gate lock keeps being connected with network;
Trigger module, for when described wireless communication module is connected to the network disconnect, trigger described wireless communication module search in preset time period near wireless network, to set up with the wireless network searched to make described wireless communication module and be connected.
7. device as claimed in claim 6, it is characterized in that, described trigger module is used for, and triggers the network coordinator near the zigbee node module search in described wireless communication module, is connected to make described zigbee node module by described network coordinator and network.
8. device as claimed in claim 6, it is characterized in that, described judge module is used for,
When detecting that the slip lid of fingerprint gate lock is sliped off, the micro-control unit MCU triggering described fingerprint gate lock produces and interrupts, and obtains the message whether zigbee node module keep with network coordinator being connected to make described MCU from the zigbee node module in described wireless communication module.
9. device as claimed in claim 6, it is characterized in that, described trigger module is used for, and triggers the described zigbee node module search network telegon in preset time period in described wireless module, after success to be searched, stop search and connect with the network coordinator searched.
10. the device as described in claim 6 ~ 9 any one, is characterized in that, described device also comprises, sleep block, for after detecting that the slip lid of described fingerprint gate lock is closed, makes the MCU of described fingerprint gate lock be in dormancy state.
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| CN201510051195.7A CN104637147A (en) | 2015-01-30 | 2015-01-30 | Method and device for searching network by triggering wireless communication module of fingerprint door lock |
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| CN201510051195.7A CN104637147A (en) | 2015-01-30 | 2015-01-30 | Method and device for searching network by triggering wireless communication module of fingerprint door lock |
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