CN111385737B - Antitheft early warning method of intelligent sound box - Google Patents
Antitheft early warning method of intelligent sound box Download PDFInfo
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- CN111385737B CN111385737B CN202010237486.6A CN202010237486A CN111385737B CN 111385737 B CN111385737 B CN 111385737B CN 202010237486 A CN202010237486 A CN 202010237486A CN 111385737 B CN111385737 B CN 111385737B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an anti-theft early warning method of an intelligent sound box, which comprises the following steps: s1: connecting terminal equipment with an intelligent sound box and a wireless access point respectively; s2: the sound box owner modifies the SSID in the detection request frame sent by the WiFi module of the intelligent sound box into the SSID of the wireless access point, wherein the wireless access point is the access point of the sound box owner using the intelligent sound box; s3: judging whether a detection response frame responded by the wireless access point is received or not; s4: if yes, acquiring the RSSI value of the detection response frame; s5: if not, counting the times of not receiving the detection response frame responded by the wireless access point; s6: and when the variation value of the RSSI value reaches a preset value or the number of times reaches a preset number of times, the intelligent sound box sends out an early warning prompt. The intelligent sound box is provided with Bluetooth and WiFi functions, and the intelligent sound box is subjected to anti-theft early warning through interaction between a detection request frame and a detection response frame between the intelligent sound box and a wireless access point.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an anti-theft early warning method of an intelligent sound box.
Background
Along with the technical development of intelligent home, the intelligent sound box gradually goes into the life of people. The existing intelligent sound box can be connected with a router, a mobile terminal (such as a mobile phone, a tablet personal computer and the like) and other terminal equipment with wireless network functions in a wireless network (such as Bluetooth or WiFi network and the like) connection mode. The application program of the mobile terminal can perform network communication and data transmission through the wireless network and the intelligent sound box, and further a series of functions such as pushing, playing and controlling can be completed.
Because the intelligent sound box is expensive and small in size, the intelligent sound box is easy to be stolen and lost, and property loss is caused. If a positioning module such as a GPS is arranged on the intelligent sound box, the cost is too high, and the sound box can be retrieved only by cooperation with a police, so that labor and civil injury are caused.
Disclosure of Invention
The invention aims to provide an anti-theft early warning method for an intelligent sound box, which utilizes Bluetooth and WiFi functions of the intelligent sound box, and carries out anti-theft early warning on the intelligent sound box through data frame interaction between the intelligent sound box and a wireless access point.
In order to achieve the aim of the invention, the invention is realized by adopting the following technical scheme:
an antitheft early warning method of an intelligent sound box is characterized by comprising the following steps: s1: connecting terminal equipment with the intelligent sound box and the wireless access point respectively; s2: the sound box owner modifies the SSID in the detection request frame sent by the WiFi module of the intelligent sound box into the SSID of the wireless access point; s3: judging whether a detection response frame responded by the wireless access point is received or not; s4: if yes, acquiring the RSSI value of the detection response frame; s5: if not, counting the times of not receiving the detection response frame responded by the wireless access point; s6: and when the variation value of the RSSI value reaches a preset value or the number of times reaches a preset number of times, the intelligent sound box sends out an early warning prompt.
According to the antitheft early warning method of the intelligent sound box, when the variation value of the RSSI value reaches the preset value, the intelligent sound box sends out an early warning prompt, and meanwhile, the SSID in the detection request frame in the WiFi module in the intelligent sound box is modified, and the modified SSID of the detection request frame comprises an alarm field and the identification of the intelligent sound box.
According to the antitheft early warning method of the intelligent sound box, when the change value of the RSSI value reaches the preset value and the wireless access point can receive the detection request frame, the intelligent sound box sends the modified detection request frame to the wireless access point.
According to the antitheft early warning method of the intelligent sound box, after the wireless access point receives the modified detection request frame, alarm information is sent to terminal equipment connected with the wireless access point.
According to the anti-theft early warning method of the intelligent sound box, when the number of times of not receiving the detection response frame responded by the wireless access point reaches the preset number of times, the intelligent sound box is forced to be powered off after a preset time interval is counted.
The anti-theft early warning method of the intelligent sound box comprises the following steps of: s21: acquiring an administrator password of the sound box owner; s22: sending the manager password to the intelligent sound box so that the intelligent sound box verifies whether the manager password is correct or not; s23: if yes, the loudspeaker box owner modifies the SSID in the detection request frame sent by the WiFi module of the intelligent loudspeaker box into the SSID of the wireless access point.
According to the antitheft early warning method of the intelligent sound box, if the intelligent sound box verifies that the administrator password is incorrect, a user is prompted to input the administrator password again, and after the repeated verification times reach the preset times, the sound box owner is prohibited from modifying the SSID in the detection request frame sent by the WiFi module of the intelligent sound box.
According to the antitheft early warning method of the intelligent sound box, the early warning prompt sent by the intelligent sound box is a sound prompt and/or a light effect prompt.
According to the anti-theft early warning method of the intelligent sound box, the wireless access point is a personal hot spot or a router.
Compared with the prior art, the invention has the advantages and positive effects that: utilize terminal equipment to be connected with intelligent audio amplifier, the SSID of wiFi module in to intelligent audio amplifier through terminal equipment is changed to the SSID of the wireless access point who is connected with terminal equipment, like this, can judge whether intelligent audio amplifier is stolen away from wireless access point through the change in the size of the RSSI value of the interactive signal between detection request frame and the detection response frame between the wiFi module of intelligent audio amplifier and the wiFi module of wireless access point, consequently, judge whether intelligent audio amplifier is stolen, when intelligent audio amplifier is kept away from wireless access point, intelligent audio amplifier sends early warning suggestion, early warning thief helps restricting losing the risk in controllable scope, and help the sound amplifier that returns.
Other features and advantages of the present invention will become apparent upon review of the detailed description of the invention in conjunction with the drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of one embodiment of an anti-theft early warning method for an intelligent sound box according to the present invention;
fig. 2 is a flowchart of an embodiment of an anti-theft early warning method for an intelligent sound box according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples.
In order to early warn a loudspeaker theft during the loss period of an intelligent loudspeaker, the embodiment relates to an anti-theft early warning method of the intelligent loudspeaker, and the anti-theft early warning method of the embodiment early warns the theft in the theft process of the loudspeaker, so that the loss risk is limited in a controllable range.
Referring to fig. 1 and 2, the anti-theft early warning method of the present embodiment is specifically described.
S1: and connecting the terminal equipment with the intelligent sound box and the wireless access point respectively.
In S1, the terminal device generally refers to a mobile terminal such as a mobile phone, a tablet computer, and the like. In this embodiment, a terminal device is taken as a mobile phone for illustration.
When the intelligent sound box and the mobile phone are in a short distance, wireless networks such as Bluetooth or WiFi, personal hot spots and the like can be used for connection; when the distance between the intelligent sound box and the mobile phone exceeds the distance which can be communicated by Bluetooth, wireless network connection such as WiFi, personal hot spot and the like can be used.
S2: the speaker owner (i.e., master) modifies the SSID in the probe request frame sent by the WiFi module of the smart speaker to the SSID of the wireless access point.
At the beginning of using intelligent audio amplifier, audio amplifier owner can be connected intelligent audio amplifier and cell-phone bluetooth.
Because the intelligent sound box has the WiFi module, a detection request frame is sent out regularly as long as the intelligent sound box is not powered off, and the detection request frame is used for scanning which networks exist in the area at present. If a wireless access point (such as a router, a personal hot spot, etc.) exists within the transmission range of the probe request frame of the smart speaker, the wireless access point will respond to the probe response frame after receiving the probe request frame.
In this embodiment, the wireless access point refers to a router that is accessed when the master uses the smart speakers, for example, a home router, a router for office space, or a router for hotel in large mall.
The probe request frame contains two bits: SSID (Service Set Identifier, service set identification) and Supported Rates, only SSID is discussed herein, SSID being used to distinguish between different networks.
In S2, the SSID in the probe request frame sent by the WiFi module of the smart speaker is modified to be the SSID of the WiFi module of the wireless access point.
The SSID of the probe request frame sent by the WiFi module in the smart speaker is modified by an Application (APP) related to the smart speaker on the mobile phone, where the WiFi module is in STA mode, similar to a wireless terminal, and does not receive wireless Access, and it may be connected to an AP (Access Point), which is a wireless router used in a general home or office.
S3: and judging whether a detection response frame responded by the wireless access point is received.
The SSID in the detection request frame sent by the WiFi module of the intelligent sound box is changed into the SSID of the WiFi module of the wireless access point. Therefore, when the intelligent sound box sends the detection request frame at regular time, if the intelligent sound box is in the searchable range of the wireless access point, the wireless access point can respond the detection response frame to the intelligent sound box when receiving the detection request frame. If the distance between the intelligent sound box and the wireless access point exceeds the searchable range, the wireless access point does not respond to the probe response frame even if the intelligent sound box sends the probe request frame at regular time.
And judging the distance between the intelligent sound box and the wireless access point according to whether the intelligent sound box can receive the fed back detection response frame.
S4: if yes, acquiring the RSSI value of the detection response frame.
RSSI (Received Signal Strength Indication, received signal strength indicator), which indicates the strength of the signal received.
When the distance between the intelligent sound box and the wireless access point is relatively close, the RSSI value of the detection response frame received by the intelligent sound box is larger; when the distance between the intelligent sound box and the wireless access point is relatively far, the RSSI value of the detection response frame received by the intelligent sound box is smaller.
Therefore, when the interaction of the detection request frame and the detection response frame exists between the intelligent sound box and the wireless access point, the distance between the intelligent sound box and the wireless access point can be reflected according to the size of the RSSI value.
S5: if not, the number of times of the detection response frame which does not receive the response of the wireless access point is counted.
When the distance between the intelligent sound box and the wireless access point is too large, and the intelligent sound box cannot receive the detection response frame, the RSSI value is zero. In this case, it is not necessary to calculate the RSSI value, but the number of times that the probe response frame is not continuously received is counted.
S6: and when the variation value of the RSSI value reaches a preset value or the number of times of continuously receiving the detection response frame does not reach the preset number of times, the intelligent sound box sends out an early warning prompt.
Along with the change of the distance between the intelligent sound box and the wireless access point, the change of the RSSI value is caused, when the distance between the intelligent sound box and the wireless access point reaches a certain distance, the change value of the corresponding RSSI value reaches a preset value, the intelligent sound box is indicated to be in movement, and at the moment, the intelligent sound box sends out an early warning prompt, such as a voice prompt of 'do not move the sound box', and meanwhile, early warning sound effect or light effect is sent out.
In this embodiment, if the RSSI value can be calculated, it is indicated that the smart speaker can also receive the probe response frame sent by the wireless access point.
When the intelligent sound box is stolen, in order to inform the host that the intelligent sound box is lost, when the change value of the corresponding RSSI value reaches a preset value and sends out an early warning prompt, the intelligent sound box can modify the SSID in a detection request frame of a WiFi module of the intelligent sound box, the SSID in the modified detection request frame comprises an alarm field or an alarm field and an identifier of the intelligent sound box, and the host determines the intelligent sound box corresponding to the sent early warning prompt according to the identifier of the intelligent sound box.
When the intelligent sound box and the wireless access point perform interaction between the detection request frame and the detection response frame, the alarm field is sent to the wireless access point by the intelligent sound box, and then the wireless access point sends the alarm field and the identification of the intelligent sound box to a terminal device which is in wireless connection with the wireless access point, in the embodiment, the terminal device is a mobile phone of a host so as to inform the host of the state of the intelligent sound box.
If the change value of the RSSI value does not reach the preset value, continuously monitoring whether the intelligent sound box receives the detection response frame, and continuously calculating and judging the change value of the RSSI value when the intelligent sound box receives the detection response frame.
If the number of times the intelligent sound box does not receive the detection response frame reaches a preset number of times (for example, 3 times), which indicates that the distance between the intelligent sound box and the wireless access point is beyond the searchable range, the intelligent sound box is moving in a farther direction, and at the moment, in order to warn the thief, the intelligent sound box sends out an early warning prompt, for example, sends out a voice prompt of "do not take away the sound box", and simultaneously sends out early warning sound effect or light effect
And continuously monitoring whether the intelligent sound box receives the detection response frame or not when the number of times that the intelligent sound box does not receive the detection response frame reaches a preset number of times (for example, 3 times), and forcibly powering off the intelligent sound box after a preset time interval (for example, five minutes) is counted.
Even if the thief is powered on again, the SSID in the probe request frame sent by the WiFi module in the smart box is modified, so that the smart box is unusable if the thief has no authority to modify the SSID in the probe request frame sent by the WiFi module in the smart box.
To avoid that the authorization can modify the SSID in the probe request frame in the WiFi module in the smart box, in this application S2 includes the following.
S21: and obtaining the administrator password of the speaker owner.
The speaker owner of the intelligent speaker sends a request for modifying the SSID in the probe request frame through the terminal device, in this embodiment, the terminal device is a mobile phone, and when the intelligent speaker receives the request, the intelligent speaker generates a corresponding password verification request, sends the password verification request to the mobile phone, and reminds the speaker owner of the intelligent speaker to input an administrator password.
S22: and sending the administrator password to the intelligent sound box so that the intelligent sound box verifies whether the administrator password is correct.
The user inputs and sends the administrator password to the intelligent sound box through the mobile phone, and the intelligent sound box verifies whether the received password is consistent with the password stored in the intelligent sound box.
S23: if yes, the loudspeaker owner modifies the SSID in the detection request frame sent by the WiFi module of the intelligent loudspeaker to the SSID of the wireless access point.
The operation to be taken based on the judgment result in S22 includes, in addition to S23, the steps of: if not, prompting to re-output the administrator password, and repeatedly verifying for a certain number of times (for example, 3 times), and prohibiting modification of the SSID in the detection request frame sent by the WiFi module of the intelligent sound box.
Through the SSID of the WiFi module in the intelligent sound box, whether the intelligent sound box is far away from the wireless access point can be judged through the magnitude of the RSSI value interacted between the detection request frame and the detection response frame between the WiFi module of the intelligent sound box and the WiFi module of the wireless access point, and when the sound box is far away from the wireless access point, the intelligent sound box sends out an early warning prompt, and the thief is warned, so that the loss risk is limited in a controllable range, and the sound box is returned.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (4)
1. An antitheft early warning method of an intelligent sound box is characterized by comprising the following steps:
s1: connecting terminal equipment with the intelligent sound box and the wireless access point respectively;
s2: the sound box owner modifies the SSID in the detection request frame sent by the WiFi module of the intelligent sound box into the SSID of the wireless access point through the terminal equipment;
s3: judging whether a detection response frame responded by the wireless access point is received or not;
s4: if yes, acquiring the RSSI value of the detection response frame;
s5: if not, counting the times of not receiving the detection response frame responded by the wireless access point;
s6: when the variation value of the RSSI value reaches a preset value or the number of times reaches a preset number of times, the intelligent sound box sends out an early warning prompt; when the variation value of the RSSI value reaches a preset value, the intelligent sound box sends out an early warning prompt and modifies the SSID in a detection request frame in a WiFi module in the intelligent sound box, wherein the SSID of the modified detection request frame is an alarm field or the alarm field and the identification of the intelligent sound box; when the change value of the RSSI value reaches a preset value and the wireless access point can receive the detection request frame, the intelligent sound box sends the modified detection request frame to the wireless access point; the wireless access point sends alarm information to terminal equipment connected with the wireless access point after receiving the modified detection request frame;
the step S2 comprises the following steps:
s21: acquiring an administrator password of the sound box owner;
s22: sending the manager password to the intelligent sound box so that the intelligent sound box verifies whether the manager password is correct or not;
s23: if yes, the loudspeaker box owner modifies the SSID in the detection request frame sent by the WiFi module of the intelligent loudspeaker box into the SSID of the wireless access point;
if the intelligent sound box verifies that the administrator password is incorrect, prompting a user to input the administrator password again, and after the repeated verification times reach the preset times, prohibiting the sound box owner from modifying the SSID in the detection request frame sent by the WiFi module of the intelligent sound box.
2. The antitheft early warning method of an intelligent sound box according to claim 1, wherein when the number of times of not receiving a detection response frame responded by the wireless access point reaches a preset number of times, the intelligent sound box is forcibly turned off after a preset time interval is counted.
3. The antitheft early warning method of the intelligent sound box according to claim 1 or 2, wherein the early warning prompt sent by the intelligent sound box is an audible prompt and/or a light effect prompt.
4. The antitheft early warning method of the intelligent sound box according to claim 1 or 2, wherein the wireless access point is a personal hot spot or a router.
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