WO2020063952A1 - 用户状态检测 - Google Patents
用户状态检测 Download PDFInfo
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- WO2020063952A1 WO2020063952A1 PCT/CN2019/108939 CN2019108939W WO2020063952A1 WO 2020063952 A1 WO2020063952 A1 WO 2020063952A1 CN 2019108939 W CN2019108939 W CN 2019108939W WO 2020063952 A1 WO2020063952 A1 WO 2020063952A1
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- bluetooth device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Definitions
- the school In order to manage the students' entry and exit of the school, and effectively prevent non-external personnel outside the school from entering and leaving the school at will, the school usually sets up a gate at the school entrance.
- FIG. 1 is a processing flowchart of a user state detection method in an exemplary embodiment of the present disclosure
- FIG. 2 is a schematic diagram of networking of a user status detection system in an exemplary embodiment of the present disclosure
- FIG. 3 is a flowchart of a user state detection interaction in an exemplary embodiment of the present disclosure
- FIG. 4 is a hardware structure diagram of a user state detection device according to an exemplary embodiment of the present disclosure
- FIG. 5 is a logical structural diagram of a user state detection device in an exemplary embodiment of the present disclosure.
- first, second, third, etc. may be used in this application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
- word “if” as used herein can be interpreted as “at” or "when” or "in response to determination”.
- the invention provides a user state detection method and device, which can determine whether the notification comes from the terminal or the next-level Bluetooth by judging whether the Bluetooth device identification in the notification is a preset identification when the Bluetooth device receives the notification carrying the terminal identification.
- Device if the notification comes from the terminal, you can change the Bluetooth device ID in the notification to its own Bluetooth device ID, add a timestamp to the notification, and then forward it to the target device. If the notification is sent by the next-level Bluetooth device, Pass to the target device.
- the Bluetooth device of the present disclosure is a terminating Bluetooth device, the target device is a cloud server. If the Bluetooth device is not a terminating Bluetooth device, the target device is a superior Bluetooth device.
- the cloud server After receiving the announcement sent by the Bluetooth device, the cloud server can detect the user status according to the terminal identification, the Bluetooth device identification and the timestamp in the announcement. Since the present disclosure can use the Bluetooth detection method instead of the contact detection method to realize the detection of the user state, thereby improving the detection efficiency; meanwhile, the Bluetooth devices of the present disclosure do not need to support the Ethernet protocol, the TCP / IP protocol stack, etc., which reduces the network deployment. Complexity, saving deployment costs.
- FIG. 1 is a processing flowchart of a user state detection method according to an exemplary embodiment of the present disclosure.
- the method is applied to a Bluetooth device.
- the method includes:
- Step 101 Receive an announcement, where the announcement carries a terminal identifier of a terminal and a Bluetooth device identifier for identifying a Bluetooth device that forwards an announcement from the terminal for the first time.
- the user may carry a terminal (such as a wristband), and the terminal may continuously send an announcement (for example, a beacon announcement), and a Bluetooth device located within the receiving range will receive the announcement sent by the terminal.
- the Bluetooth device may also receive a notification forwarded by a neighboring Bluetooth device.
- the above notice carries the terminal's terminal identification.
- the terminal identification can be the terminal ’s MAC address or the terminal ’s identity ID.
- the notification also carries the Bluetooth device identification.
- the Bluetooth device identification is used to characterize the first forwarding from the terminal.
- the Bluetooth device identifier may be a MAC address of the Bluetooth device, or an identifier such as a device number that may be used to identify the device.
- the Bluetooth device identification in the notification is a preset identification, such as 0 or other specified characters; if it is a notification sent by the next-level Bluetooth device, the Bluetooth device identification in the notification is not Preset ID.
- Step 102 Determine whether the Bluetooth device identifier is a preset identifier; if yes, determine that the notification is sent by the terminal, modify the Bluetooth device identifier in the notification to its own Bluetooth device identifier, and receive it The time of the announcement is added as a timestamp to the modified announcement and sent to the target device; if not, it is determined that the announcement is sent by a Bluetooth device below the Bluetooth device, and the announcement is sent to the target device.
- the target device when the Bluetooth device is not a terminating Bluetooth device, the target device is a higher-level Bluetooth device of the Bluetooth device; when the Bluetooth device is a terminating Bluetooth device, the target device is a cloud server, so The cloud server detects the user status corresponding to the terminal according to the terminal identifier, Bluetooth device identifier, and timestamp in each notification received.
- the Bluetooth device determines whether the received Bluetooth ID is a preset ID, and if so, determines that the notification is sent by the terminal, and therefore needs to modify the Bluetooth device ID to its own Bluetooth device ID.
- the time when the notification is received is added as a timestamp to the modified notification and sent to the target device; so that the cloud server can finally judge the state of the terminal according to the time stamp when the Bluetooth device receives the notification sent by the terminal. If not, it is determined that the notification is sent by the Bluetooth device below the Bluetooth device. Since the notification sent by the Bluetooth device at the next level already has a timestamp, the notification can be sent directly to the target device.
- a Bluetooth device set at a specified position can be used as a termination Bluetooth device.
- the termination Bluetooth device is the highest-level Bluetooth device, and the termination level of the termination Bluetooth device is a cloud server.
- the terminating Bluetooth device may be integrated on the AP, and other Bluetooth devices at non-designated locations may be deployed in different locations in the form of Bluetooth receivers.
- the target device when the Bluetooth device is not a terminating Bluetooth device, the target device is a Bluetooth device one level above the Bluetooth device; when the Bluetooth device is a terminating Bluetooth device, the target device is a cloud server.
- the Bluetooth device sends a notification to the cloud server, so that the cloud server detects the user status corresponding to the terminal according to the terminal identifier, the Bluetooth device identifier, and the timestamp in each notification received.
- the so-called user status is specifically the user's location status, which can be used in a variety of location detection scenarios, such as detecting students entering or leaving school, or detecting whether a patient has left a hospital, or access detection in other scenarios.
- the cloud server may obtain the first notification and the second notification sent by two neighboring Bluetooth devices in the received notification, where the first notification carries the first time stamp and the first Bluetooth of the first location.
- the cloud server may determine that the user's current state is a state far from the first location and has reached the second location; when the absolute value of the difference between the first timestamp and the second timestamp is When it is less than the preset minimum value, the cloud server may determine that the current state of the user is a state hovering between the first position and the second position.
- the deployment of a multi-level Bluetooth device can be achieved by cascading a BLE (Bluetooth Low Energy) module chain, and the Bluetooth device can send a notification to the target Bluetooth through the CAN (Controller Area Network) protocol Therefore, the present disclosure can forward or transparently transmit the notification to the upper node through the cascade node, thereby enabling the communication of the Bluetooth device without supporting the Ethernet protocol and the TCP / IP protocol stack, thereby reducing the complexity of network deployment and saving costs.
- BLE Bluetooth Low Energy
- CAN Controller Area Network
- the cloud server may pre-configure the correspondence between the terminal identifier and the user identity.
- the cloud server may determine the user identity corresponding to the terminal according to the terminal identifier in the announcement, so as to correspond to the terminal according to the foregoing detection result.
- Users perform status management, such as attendance management and security management based on user status.
- the security office can also be notified that non-security personnel have entered, so that security early warning can be achieved.
- FIG. 2 is a schematic diagram of a network of a user status detection system according to an embodiment of the present disclosure, in which an AC (Access Controller) has a control and management function and manages an Access AP (Access Point).
- an AC Access Controller
- the Internet of Things AP provides WiFi access for the Bluetooth device
- the end Bluetooth device can be integrated on the AP to scan the terminal and
- the notification sent by the lower-level Bluetooth device ends the notification, and the received notification is sent to the cloud server; other Bluetooth devices can be deployed in order of location.
- the first Bluetooth device is the first, and the first Bluetooth device is adjacent to the first Bluetooth device.
- the Bluetooth device at the upper level is the second Bluetooth device, and so on, it is deployed to the Nth Bluetooth device to terminate the Bluetooth device step by step.
- Each Bluetooth device is used to scan the notification sent by the terminal and receive the notification sent by the Bluetooth device at the next level. Announcement, forward the received announcement to the upper-level Bluetooth device, and finally forward it to the end Bluetooth device; each Bluetooth device passes CAN protocol communication; the cloud server is used to store user information and judge the status of the user according to the notification sent by the terminating Bluetooth device forwarded by the AC.
- the method for detecting the state of students entering and leaving schools is taken as an example to describe in detail the user state detection method provided by the present disclosure.
- FIG. 3 is a flowchart of user status detection interaction in an embodiment of the present disclosure, where it is assumed that the first Bluetooth device is set outside the school, the second Bluetooth device is set at the school gate, and the third Bluetooth device is set in the school To end the Bluetooth device).
- the interactive process to determine the status of students entering and leaving the school includes the following steps:
- the student terminal serves as the source of the announcement.
- the student terminal sends announcements (such as beacon announcements) at a preset time period (for example, at intervals of 600 ms).
- announcements such as beacon announcements
- the announcement format is shown in Table 1:
- Prefix is a fixed field, which is used to distinguish whether it is a student of the school.
- Prefix is a fixed field, which is used to distinguish whether it is a student of the school.
- MAC means the MAC address of the Bluetooth device that forwarded the announcement for the first time, that is, the Bluetooth device identification.
- Sender MAC is the original signal.
- the MAC address of the terminal that is, the terminal identification;
- Sender and Battery are the battery power of the original signal sending terminal;
- Reserve is a reserved field, which can add extended information.
- the Bluetooth device ID (Last Sender MAC) is 0.
- the first Bluetooth device When a student enters the school from the outside, the first Bluetooth device first receives a notification that Last is sent with a MAC of 0. It can be determined that it was sent by the terminal. Therefore, a first notification can be created based on the notification. Last is changed in the first notification.
- the Sender MAC is its own MAC address MAC1, and the time t0 for receiving the notification is added as a timestamp.
- the content of the first notification is shown in Table 2. Forward the first notification to the upper-level Bluetooth device, that is, the second Bluetooth device.
- the second Bluetooth device can receive a broadcast announcement with Last sender MAC of 0, which can be determined to be sent by the terminal. Therefore, a second announcement can be created based on the announcement, and the Last Notification is changed in the second announcement. For its own MAC address MAC2, and add the time t1 for receiving the notification as a timestamp, the content of the second notification is shown in Table 3. Forward the second notification to the upper-level Bluetooth device, that is, the third Bluetooth device.
- the third Bluetooth device can receive a broadcast announcement with Last sender MAC of 0, which can be determined to be sent by the terminal. Therefore, a third announcement can be created based on this announcement.
- the third announcement changes Last Sender MAC to itself.
- the time t2 of receiving the notification is added as a timestamp.
- the content of the third notification is shown in Table 4.
- the second Bluetooth device When the second Bluetooth device receives a notification whose Last MAC address is not 0, such as the first notification, it directly forwards the first notification to the upper-level Bluetooth device, that is, the third Bluetooth device without modification.
- the cloud server receives the notification reported by the third Bluetooth device, and performs the calculation of determining whether to enter or leave the school. Specific announcements are shown in Table 5.
- t0> t1> t2 when t0> t1> t2, and satisfying t0-t1 ⁇ Tmax, it means that the second Bluetooth device cannot listen to the notification sent by the terminal for Tmax, and considers that the student has left school, generates a school leaving record, and Notify parents; if t1-t2 ⁇ Tmin, it means that the student is hovering inside the school gate and may leave the school. If the school is not in the normal time, it can generate an alarm to notify the school of potential truancy.
- the present disclosure can use Bluetooth to identify users, and through the students wearing low-power Bluetooth devices and periodically sending beacon announcements, they can automatically complete the management of students entering and leaving the school, and improve the efficiency of entering and leaving the school and the level of campus security.
- the present disclosure also provides a Bluetooth device (as shown in FIG. 4), which includes a processor, a memory storing machine-executable instructions running on the processor, and other hardware.
- the processor executes the instruction, the following operations are performed: receiving a notification, the notification carrying a terminal identifier of the terminal and a Bluetooth device identifier for characterizing a Bluetooth device that forwards the notification from the terminal for the first time; judging the Bluetooth Whether the device identification is a preset identification; if so, determining that the notification is sent by the terminal, modifying the Bluetooth device identification in the notification to its own Bluetooth device identification, and using the time when the notification was received as the time The stamp is added to the modified notification and the modified notification is sent to the target device; if not, it is determined that the notification is sent by the Bluetooth device below the Bluetooth device, and the notification is sent to all The target device; wherein, when the Bluetooth device is not a terminating Bluetooth device, the target device is a Bluetooth device superior to the Bluetooth device; when the Bluetooth
- the processor executes the instruction, the following operation is implemented: sending the notification to the target device through a controller area network CAN protocol.
- the present disclosure also provides a user state detection apparatus 500 (as shown in FIG. 5).
- the apparatus 500 is applied to a Bluetooth device.
- the apparatus 500 includes:
- the receiving unit 501 is configured to receive an announcement, where the announcement carries a terminal identifier of the terminal and a Bluetooth device identifier used to characterize a Bluetooth device that forwards an announcement from the terminal for the first time;
- the determining unit 502 is configured to determine whether the Bluetooth device identifier is a preset identifier; if yes, determine that the notification is sent by the terminal, modify the Bluetooth device identifier to its own Bluetooth device identifier, and receive The time of the announcement is added as a timestamp to the modified announcement, and the modified announcement is sent to the target device; if not, it is determined that the announcement is sent by a Bluetooth device below the Bluetooth device, Sending the announcement to a target device; when the Bluetooth device is not a terminating Bluetooth device, the target device is a higher-level Bluetooth device of the Bluetooth device; when the Bluetooth device is a terminating Bluetooth device, the The target device is a cloud server, so that the cloud server detects the user status corresponding to the terminal according to the terminal identification, Bluetooth device identification, and timestamp in each notification received.
- the determining unit 502 is specifically configured to send a notification to a target device through a CAN protocol.
- the present disclosure also provides a user status detection system, which includes a Bluetooth device and a cloud server, where:
- a Bluetooth device for receiving an announcement the announcement carrying a terminal identification of the terminal and a Bluetooth device identification for identifying a Bluetooth device that forwards an announcement from the terminal for the first time; determining whether the Bluetooth device identification is a preset identification; if yes, Then determine that the notification is sent by the terminal, modify the Bluetooth device identification to its own Bluetooth device identification, and add the time when the notification was received as a timestamp to the modified notification and modify the modification
- the subsequent notification is sent to the target device; if not, it is determined that the notification is sent by the Bluetooth device below the Bluetooth device, and the notification is sent to the target device; when the Bluetooth device is not the final Bluetooth device
- the target device is a higher-level Bluetooth device of the Bluetooth device; when the Bluetooth device is a terminating Bluetooth device, the target device is a cloud server;
- the cloud server is configured to detect the user status corresponding to the terminal according to the terminal identifier, the Bluetooth device identifier, and the timestamp in each notification received.
- the cloud server is specifically configured to obtain the first announcement and the second announcement sent by two neighboring Bluetooth devices in the received announcement, where the first announcement carries the first timestamp and the first A Bluetooth device identifier of a Bluetooth device, the second announcement carrying a second time stamp and a Bluetooth device identifier of a second Bluetooth device at a second location, when the first time stamp is earlier than the second time stamp and the first time stamp and the first time stamp.
- the absolute value of the difference between the two timestamps is greater than or equal to a preset maximum value, it is determined that the current state of the user is a state far from the first location and has reached the second location; when the absolute value of the difference between the first timestamp and the second timestamp is less than
- the minimum value is preset, it is determined that the current state of the user is a state hovering between the first position and the second position.
- the Bluetooth device is specifically configured to send a notification to a target device through a CAN protocol.
- the present disclosure can determine whether the notification comes from the terminal or the next-level Bluetooth device by determining whether the Bluetooth device ID in the notification is a preset ID when the Bluetooth device receives the notification carrying the terminal ID; if the notification comes from At the terminal, you can change the Bluetooth device ID in the announcement to your own Bluetooth device ID, add a timestamp to the announcement, and then forward it to the target device. If the notification sent by the next-level Bluetooth device is transparently transmitted to the target device If the Bluetooth device of the present disclosure is a termination Bluetooth device, the target device is a cloud server. If the Bluetooth device is not a termination Bluetooth device, the target device is a higher-level Bluetooth device.
- the cloud server may The terminal identification, Bluetooth device identification and timestamp in the announcement to detect the user status. Since the present disclosure can use the Bluetooth detection method instead of the prior art contact detection method to detect the user status, thereby improving the detection efficiency; meanwhile, the Bluetooth devices of the present disclosure do not need to support the Ethernet protocol and the TCP / IP protocol stack, reducing This reduces the complexity of network deployment and saves deployment costs.
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Abstract
本公开提供的一种用户状态检测方法，通过蓝牙设备接收携带终端的终端标识和蓝牙设备标识的通告；判断蓝牙设备标识是否为预设标识；若是，确定通告是所述终端发送的，将通告中的蓝牙设备标识修改为自身的蓝牙设备标识，并为修改后的通告添加时间戳后发送至目标设备；若否，确定通告是蓝牙设备的下一级蓝牙设备发送的，将通告发送至目标设备；当蓝牙设备不为终结蓝牙设备时，该目标设备为蓝牙设备的上一级蓝牙设备；当蓝牙设备为终结蓝牙设备时，该目标设备为云服务器，云服务器根据通告中的终端标识、蓝牙设备标识和时间戳对终端对应的用户状态进行检测。
Description
相关申请的交叉引用
本专利申请要求于2018年9月30日提交的、申请号为201811162914.2、发明名称为“一种用户状态检测方法、装置及系统”的中国专利申请的优先权，该申请的全文以引用的方式并入本文中。
为了对学生的进出校进行管理，同时有效的阻止非本校外部无关人员随意进出学校，学校通常会在校门口设置门禁。
传统的进出校管理方法通常通过接触式考勤的方式实现，例如通过学生携带的学生证、指纹等识别学生身份。但是接触式的考勤方式在识别过程中往往需要一定时间，从而导致上学、放学等大量学生进出校时会排起长队，可见传统的进出校管理方法效率太低，且使用价值不高。而基于RFID的进出校管理方法需要侦听器与服务器建立有线或者无线连接，侦听器又需要支持以太协议、TCP/IP协议栈等，导致部署成本较高。
图1是本公开一种示例性实施方式中的一种用户状态检测方法的处理流程图；
图2是本公开一种示例性实施方式中的用户状态检测系统组网示意图；
图3是本公开一种示例性实施方式中的用户状态检测交互流程图；
图4本公开一种示例性实施方式中的一种用户状态检测装置所在的硬件结构图；
图5本公开一种示例性实施方式中的一种用户状态检测装置的逻辑结构图。
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置和方法的例子。
在本申请使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请。在本申请和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本申请可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本申请范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
本发明提供一种用户状态检测方法及装置，可以通过蓝牙设备收到携带终端标识的通告时判断该通告中的蓝牙设备标识是否为预设标识，来确定该通告来自于终端还是下一级蓝牙设备；若通告来自于终端，则可以将该通告中的蓝牙设备标识改为自身的蓝牙设备标识，并为该通告添加时间戳，然后转发给目标设备，若是下一级蓝牙设备发送的通告则透传给目标设备。本公开的蓝牙设备若是终结蓝牙设备，则目标设备是云服务器，若该蓝牙设备不是终结蓝牙设备，则目标设备就是上一级蓝牙设备。云服务器收到蓝牙设备发送的通告后可以根据通告中的终端标识、蓝牙设备标识和时间戳来检测用户状态。由于本公开可以使用蓝牙检测方式代替接触式检测方式实现对用户状态的检测，从而提高了检测效率；同时本公开的蓝牙设备之间无需支持以太协议、TCP/IP协议栈等，降低了网络部署的复杂度，节约了部署成本。
请参考图1，是本公开一种示例性实施方式中的一种用户状态检测方法的处理流程图，该方法应用于蓝牙设备，所述方法包括：
步骤101、接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识。
在本实施例中，用户可以携带终端(如手环)，该终端可以持续发送通告(例如beacon通告)，位于接收范围内的蓝牙设备会接收到终端发送的通告。该蓝牙设备还可以收到相邻的下一级的蓝牙设备转发的通告。上述通告中均携带了终端的终端标识，该终端标识可以为终端的MAC地址或者终端的身份ID等，通告中还携带了蓝牙设备标识，蓝牙设备标识是用于表征首次转发来自所述终端的通告的蓝牙设备，该蓝牙设备标识可以是蓝牙设备的MAC地址，或者是设备编号等可以用于标识设备身份的标识。需要说明的是，若是终端发送的通告，则通告中的蓝牙设备标识为预设标识，例如为0或者其他 指定字符；若是下一级蓝牙设备发送的通告，则通告中的蓝牙设备标识不为预设标识。
步骤102、判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述通告中的蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至目标设备。
其中，当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器，所述云服务器根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。
在本实施例中，蓝牙设备判断收到的通告的蓝牙标识是否为预设标识，若是，则确定该通告是所述终端发送的，因此需要将该蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后发送至目标设备；以使云服务器最终可以根据蓝牙设备收到终端发送通告的时间戳判断终端的状态。若否，则确定该通告是该蓝牙设备的下一级蓝牙设备发送的，由于下一级蓝牙设备发送的通告中已经带有时间戳，因此可以直接将该通告发送至目标设备。
需要说明的是，本公开可以为多个蓝牙设备设置不同的位置，不同位置的蓝牙设备都可以接收来自于终端的通告，并且不同位置的蓝牙设备之间可以逐级向上发送通告。本公开可以将在指定位置设置的蓝牙设备作为终结蓝牙设备，该终结蓝牙设备是最上级的蓝牙设备，该终结蓝牙设备的上一级为云服务器。在可选的实施例中，终结蓝牙设备可集成在AP上，其他非指定位置的蓝牙设备可以以蓝牙接收器的形式部署在不同位置。
在本实施例中，当该蓝牙设备不为终结蓝牙设备时，上述目标设备则为该蓝牙设备的上一级蓝牙设备；当该蓝牙设备为终结蓝牙设备时，上述目标设备为云服务器。
蓝牙设备将通告发送给云服务器，以使云服务器根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。所谓的用户状态具体为用户的位置状态，其可以用于多种位置检测场景，例如检测学生进入或离开学校，或者检测病患是否离开医院，或者其他场景的出入检测。
作为一个实施例，云服务器可以在收到的通告中获取相邻两个蓝牙设备发送的第一通告和第二通告，其中所述第一通告携带第一时间戳和第一位置的第一蓝牙设备的蓝牙设备标识，所述第二通告携带第二时间戳和第二位置的第二蓝牙设备的蓝牙设备标识； 当第一时间戳早于第二时间戳且第一时间戳与第二时间戳之差的绝对值大于等于预设最大值时，云服务器可以确定用户当前状态为远离第一位置且已到达第二位置的状态；当第一时间戳与第二时间戳之差的绝对值小于预设最小值时，云服务器可以确定用户当前状态为在第一位置和第二位置之间徘徊的状态。
作为一个实施例，多级蓝牙设备的部署可以通过级联BLE(Bluetooth Low Energy，蓝牙低能耗)模块链实现，蓝牙设备可以通过CAN(Controller Area Network，控制器局域网)协议将通告发送给目标蓝牙设备，因此本公开可以通过级联节点转发或透传通告至上级节点，从而可以无需支持以太协议、TCP/IP协议栈，实现蓝牙设备的通信，因此可以降低网络部署的复杂度、节约成本。
作为一个实施例，云服务器可以预先配置终端标识与用户身份的对应关系，当云服务器收到通告时，可以根据通告中的终端标识确定该终端对应的用户身份，从而根据上述检测结果对终端对应的用户进行状态管理，例如根据用户状态实现考勤管理、安全管理等工作。此外，如果用户状态异常，例如该用户被限制离开指定位置，但是用户当前的状态为离开指定位置状态时，则可以发送告警消息给相关人员，以使其获知用户的异常状态，从而优化安全防护等级；或者检测到的终端的终端标识不为预设的安全身份标识时，也可以通知保卫处有非安全人员进入，从而可以实现安全预警。
为使本公开的目的、技术方案及优点更加清楚明白，请结合图2和图3对本公开的方案作进一步地详细说明。
请参见图2，是本公开实施例中的用户状态检测系统组网示意图，其中AC(Access Control，接入控制器)具有控制管理功能，对接入AP(Access Point，接入点)进行管理，控制蓝牙设备开启扫描功能，同时将接收到的蓝牙设备扫描到的通告上报给云服务器；物联网AP为蓝牙设备提供WiFi接入功能；终结蓝牙设备可以集成在AP上，用于扫描终端和下级蓝牙设备发送的通告并终结通告，将收到的通告上送给云服务器；其他蓝牙设备可以按照位置先后顺序部署，例如最前面的为第一蓝牙设备，与该第一蓝牙设备相邻的上一级的蓝牙设备为第二蓝牙设备，以此类推，逐级部署到第N蓝牙设备连接终结蓝牙设备，每一级蓝牙设备用于扫描终端发送的通告并接收下一级蓝牙设备发送的通告，将收到的通告转发至上一级蓝牙设备，以最终转发至终结蓝牙设备；各蓝牙设备之间通过CAN协议通信；云服务器用于存储用户信息以及根据AC转发的终结蓝牙设备发送的通告来判断用户的状态。
下面以对学生的出入校状态检测为例，对本公开提供的用户状态检测方法进行详细 说明。
请参见图3，是本公开实施例中的用户状态检测交互流程图，其中假设第一蓝牙设备设置在校外，第二蓝牙设备设置在校门处，第三蓝牙设备设置在校内(第三蓝牙设备为终结蓝牙设备)。网络部署时保证一定区域只有指定蓝牙设备可以收到学生终端发送的通告，则判断学生出入校状态的交互流程包括以下步骤：
(1)学生终端作为通告来源。学生终端按预设时间周期(例如以600ms为间隔)发送通告(例如beacon通告)，该通告格式如表1所示：
表1
其中，Prefix为固定字段，用来区分是否为本校学生，这里假设是0xff ff ff ff；Last Sender MAC表示首次转发该通告的蓝牙设备的MAC地址，也就是蓝牙设备标识；Sender MAC为原始信号发送终端的MAC地址，也就是终端标识；Sender Battery为原始信号发送终端的电池电量；Reserve为保留字段，可以增加扩展信息。此时，蓝牙设备标识(Last Sender MAC)为0。
(2)当学生从外面进入学校时，第一蓝牙设备先收到Last Sender MAC为0的通告，可以确定是终端发送的，因此可以根据该通告创建第一通告，该第一通告中更改Last Sender MAC为自己的MAC地址MAC1，并将接收通告的时间t0添加为时间戳，第一通告内容如表2所示。将第一通告转发给上一级蓝牙设备，即第二蓝牙设备。
表2
当学生走到校门处时，第二蓝牙设备可收到Last Sender MAC为0的广播通告，可以确定是终端发送的，因此可以根据该通告创建第二通告，该第二通告中更改Last Sender MAC为自己的MAC地址MAC2，并将接收通告的时间t1添加为时间戳，第二通告内容如表3所示。将第二通告转发给上一级蓝牙设备，即第三蓝牙设备。
表3
当学生继续入校，则第三蓝牙设备可收到Last Sender MAC为0的广播通告，可以确定是终端发送的，因此可以根据该通告创建第三通告，该第三通告中更改Last Sender MAC为自己的MAC地址MAC3，并将接收通告的时间t2添加为时间戳，第三通告内容如表4所示。
表4
(3)当第二蓝牙设备收到Last Sender MAC不为0的通告，例如第一通告时，不修改直接将第一通告透转给上一级蓝牙设备，即第三蓝牙设备。
(4)当第三蓝牙设备作为级联链的终结蓝牙设备，可以将本设备扫描到的全部通告(包括第三通告以及来自下级蓝牙设备的第一通告、第二通告)均上报云服务器。
(5)云服务器接收第三蓝牙设备上报的通告，进行出入校判断计算。具体通告如表5所示。
表5
具体判断过程如下：
假设设置最大值为Tmax，最小值为Tmin：
对于学生入校：当t2>t1>t0，并满足t2-t1≥Tmax，则表示第二蓝牙设备已长达Tmax无法侦听到终端发送的通告，但第三蓝牙设备可持续听到通告，认为该学生已进校，生成进校记录，并可以短信通知家长学生已进校；如果t1-t0<Tmin，表示学生在校外徘徊，如果是非本校人员在校门外徘徊则告警；
对于出校：当t0>t1>t2，并满足t0-t1≥Tmax，则表示第二蓝牙设备长达Tmax无法侦听到终端发送的通告，认为该学生已出校，生成出校记录，并通知家长；如果t1-t2<Tmin，表示学生在校门内徘徊，有可能出校，如果在非正常的上、下学时段可生成告警通知校方存在潜在的逃学情况。
本公开可以使用蓝牙识别用户，通过学生佩戴低功耗蓝牙设备并周期性发送beacon通告，自动完成学生进出校管理，提升进出校管理效率及校园安防等级。
基于相同的构思，本公开还提供一种蓝牙设备(如图4所示)，该蓝牙设备包括处理器、存储有在所述处理器上运行的机器可执行指令的存储器以及其他硬件。其中，所述处理器执行所述指令时实现以下操作：接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识；判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述通告中的蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后将所述修改后的通告发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至所述目标设备；其中，当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器，所述云服务器用于根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。
作为一个实施例，所述处理器执行所述指令时实现以下操作：通过控制器局域网CAN协议将所述通告发送至所述目标设备。
基于相同的构思，本公开还提供一种用户状态检测装置500(如图5所示)，该装置500应用于蓝牙设备，该装置500包括：
接收单元501，用于接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识；
判断单元502，用于判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述 通告的时间作为时间戳添加到修改后的通告中后将所述修改后的通告发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至目标设备；当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器，以使云服务器根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。
作为一个实施例，所述判断单元502，具体用于通过CAN协议将通告发送至目标设备。
基于相同的构思，本公开还提供一种用户状态检测系统，该系统包括蓝牙设备和云服务器，其中：
蓝牙设备，用于接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识；判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后将所述修改后的通告发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至目标设备；当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器；
云服务器，用于根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。
作为一个实施例，云服务器具体用于：在收到的通告中获取相邻两个蓝牙设备发送的第一通告和第二通告，所述第一通告携带第一时间戳和第一位置的第一蓝牙设备的蓝牙设备标识，所述第二通告携带第二时间戳和第二位置的第二蓝牙设备的蓝牙设备标识，当第一时间戳早于第二时间戳且第一时间戳与第二时间戳之差的绝对值大于等于预设最大值时，确定用户当前状态为远离第一位置且已到达第二位置的状态；当第一时间戳与第二时间戳之差的绝对值小于预设最小值时，确定用户当前状态为在第一位置和第二位置之间徘徊的状态。
作为一个实施例，蓝牙设备具体用于：通过CAN协议将通告发送至目标设备。
综上所述，本公开可以通过蓝牙设备收到携带终端标识的通告时判断该通告中的蓝 牙设备标识是否为预设标识，来确定该通告来自于终端还是下一级蓝牙设备；若通告来自于终端，则可以将该通告中的蓝牙设备标识改为自身的蓝牙设备标识，并为该通告添加时间戳，然后转发给目标设备，若是下一级蓝牙设备发送的通告则透传给目标设备；而本公开的蓝牙设备若是终结蓝牙设备，则目标设备是云服务器，若该蓝牙设备不是终结蓝牙设备，则目标设备就是上一级蓝牙设备；云服务器收到蓝牙设备发送的通告后可以根据通告中的终端标识、蓝牙设备标识和时间戳来检测用户状态。由于本公开可以使用蓝牙检测方式代替现有技术的接触式检测方式实现对用户状态的检测，从而提高了检测效率；同时本公开的蓝牙设备之间无需支持以太协议、TCP/IP协议栈，降低了网络部署的复杂度，节约了部署成本。
Claims (10)
- 一种用户状态检测方法，应用于蓝牙设备，所述方法包括：接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识；判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述通告中的蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后将所述修改后的通告发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至所述目标设备；其中，当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器，所述云服务器用于根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。
- 根据权利要求1所述的方法，将所述通告发送至所述目标设备，具体包括：通过控制器局域网CAN协议将所述通告发送至所述目标设备。
- 一种用户状态检测装置，应用于蓝牙设备，所述装置包括：接收单元，用于接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识；判断单元，用于：判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述通告中的蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后将所述修改后的通告发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至所述目标设备；其中，当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器，所述云服务器用于根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的 用户状态进行检测。
- 根据权利要求3所述的装置，所述判断单元，具体用于通过控制器局域网CAN协议将所述通告发送至所述目标设备。
- 一种蓝牙设备，包括：处理器；以及存储有在所述处理器上运行的机器可执行指令的存储器，所述处理器执行所述指令时实现以下操作：接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识；判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述通告中的蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后将所述修改后的通告发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至所述目标设备；其中，当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器，所述云服务器用于根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。
- 根据权利要求5所述的蓝牙设备，所述处理器执行所述指令时实现以下操作：通过控制器局域网CAN协议将所述通告发送至所述目标设备。
- 一种用户状态检测系统，包括蓝牙设备和云服务器，其中：所述蓝牙设备用于：接收通告，所述通告携带终端的终端标识和用于表征首次转发来自所述终端的通告的蓝牙设备的蓝牙设备标识；判断所述蓝牙设备标识是否为预设标识；若是，则确定所述通告是所述终端发送的，将所述通告中的蓝牙设备标识修改为自身的蓝牙设备标识，并将收到所述通告的时间作为时间戳添加到修改后的通告中后将所述修改后的通告发送至目标设备；若否，则确定所述通告是所述蓝牙设备的下一级蓝牙设备发送的，将所述通告发送至所述目标设备；其中，当所述蓝牙设备不为终结蓝牙设备时，所述目标设备为所述蓝牙设备的上一级蓝牙设备；当所述蓝牙设备为终结蓝牙设备时，所述目标设备为云服务器；所述云服务器用于根据收到的每个通告中的终端标识、蓝牙设备标识和时间戳对所述终端对应的用户状态进行检测。
- 根据权利要求7所述的系统，所述云服务器具体用于：在收到的通告中获取相邻两个蓝牙设备发送的第一通告和第二通告，所述第一通告携带第一时间戳和第一位置的第一蓝牙设备的蓝牙设备标识，所述第二通告携带第二时间戳和第二位置的第二蓝牙设备的蓝牙设备标识；当所述第一时间戳早于所述第二时间戳且所述第一时间戳与所述第二时间戳之差的绝对值大于等于预设最大值时，确定所述用户状态为远离所述第一位置且已到达所述第二位置的状态；当所述第一时间戳与所述第二时间戳之差的绝对值小于预设最小值时，确定所述用户状态为在所述第一位置和所述第二位置之间徘徊的状态。
- 根据权利要求7所述的系统，所述蓝牙设备具体用于：通过控制器局域网CAN协议将所述通告发送至所述目标设备。
- 根据权利要求7所述的系统，所述云服务器预先配置有所述终端标识与所述用户身份的对应关系。
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| CN107071703A (zh) * | 2017-03-14 | 2017-08-18 | 建荣半导体（深圳）有限公司 | 一种蓝牙节点、智能终端、蓝牙节点的组网方法及系统 |
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