Data acquisition method and system for portable power supply

Abstract

The application discloses a data acquisition method and system of a portable power supply, wherein a device end receives a Bluetooth connection request of a mobile end, establishes Bluetooth connection with the mobile end, sends authentication information, will information and a subscription topic to the mobile end through the Bluetooth connection, and establishes MQTT connection with a platform end according to the authentication information and the will information, and performs topic subscription; the device end sends a publishing message and an MQTT message to the platform end through the Bluetooth connection with the mobile end and the MQTT connection between the mobile end and the platform end, and receives subscription information issued by the platform end; Bluetooth communication is established between the device end and the mobile end, the mobile end only serves as an intermediate layer to send the message published by the device end to the platform end through MQTT, receives the message issued by the platform end and transmits the message to the device end, data acquisition of the portable power supply is realized, data protocols are determined and maintained by the device end and the platform end, the maintenance task of the APP end is reduced, and rapid access of the device is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric equipment data acquisition, in particular to a data acquisition method and system of a portable power supply. BACKGROUND

[0002] With the development of society, the power supply scene of outdoor activities will be more and more, and the portable power supply will become the best device to provide power supply for outdoor activities. Manufacturers need to collect data in the process of using portable power supply in different scenes, analyze the data to improve the product, and provide better experience for users. The working process of the prior art is that the device end transmits data to the APP (application, application program, this paper refers to the mobile end), and the APP transmits to the platform end. When the device is connected, the APP needs to maintain two sets of data protocols of the APP and the device end, and the APP and the platform end. When other different types of devices need to be connected, new data protocols need to be maintained. This causes difficulties in maintaining the APP end and the device cannot be quickly connected. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a data acquisition method and system of a portable power supply, to reduce the maintenance task of the mobile end, and to make the device more quickly connected and realize data acquisition.

[0004] In order to solve the above technical problems, the technical scheme adopted by the present application is:

[0005] A data acquisition method of a portable power supply, comprising the steps of:

[0006] S1, the device end receives the Bluetooth connection request of the mobile end, and establishes Bluetooth connection with the mobile end;

[0007] S2, the device end sends authentication information, will information and subscription topic to the mobile end through Bluetooth connection, and the mobile end establishes MQTT connection with the platform end according to the authentication information and the will information, and subscribes to the topic;

[0008] S3, the device end sends the publishing message and MQTT message to the platform end through the Bluetooth connection with the mobile end and the MQTT connection between the mobile end and the platform end, and receives the subscription information issued by the platform end.

[0009] In order to solve the above technical problems, another technical scheme adopted by the present application is:

[0010] A data acquisition system of a portable power supply, comprising a device end, a mobile end and a platform end, the device end comprising a first processor, a first memory and a computer program stored in the first memory and executable on the first processor, the mobile end comprising a second processor, a second memory and a computer program stored in the second memory and executable on the second processor, the first processor implements the following steps when executing the first computer program:

[0011] S1, receiving a Bluetooth connection request of the mobile end, and establishing a Bluetooth connection with the mobile end;

[0012] S2, sending authentication information, will information and subscription topics to the mobile end through the Bluetooth connection;

[0013] S3, sending a publishing message and an MQTT message to the platform end through the Bluetooth connection with the mobile end and the MQTT connection between the mobile end and the platform end, and receiving the subscription information issued by the platform end;

[0014] The second processor implements the following steps when executing the second computer program:

[0015] S2, establishing an MQTT connection with the platform end according to the authentication information and the will information, and subscribing to the topic.

[0016] The beneficial effects of the present application are that the data acquisition method and system of the portable power supply of the present application establish Bluetooth communication between the device end and the mobile end, the mobile end establishes an MQTT message with the platform end according to the authentication message and the will message given by the device end, and only as an intermediate layer, sends the message published by the device end to the platform end through MQTT, and receives the message issued by the platform end and transmits it to the device end through Bluetooth, in this way, the data acquisition of the portable power supply is carried out, the data protocol is determined and maintained by the device end and the platform end, the APP does not need to update the data protocol, the maintenance task of the APP end is reduced, and the rapid access of the device is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A flowchart of a data acquisition method of a portable power supply of an embodiment of the present application;

[0018] Figure 2 A structural diagram of a data acquisition system of a portable power supply of an embodiment of the present application;

[0019] Figure 3 A communication connection step schematic timing diagram of a data acquisition method of a portable power supply of an embodiment of the present application;

[0020] Figure 4 A partial data communication step schematic timing diagram of a data acquisition method of a portable power supply of an embodiment of the present application;

[0021] Label explanation:

[0022] 1. A data acquisition system of a portable power supply; 2. device end; 3. first processor; 4. first memory; 5. mobile end; 6. second processor; 7. second memory; 8. platform end. DETAILED DESCRIPTION

[0023] In order to illustrate the technical content, the purpose and effect of the present application, the following will be described in conjunction with the embodiments and the accompanying drawings.

[0024] Please refer to Figure 1 And Figure 3 And Figure 4 A data acquisition method of a portable power supply, comprising the steps of:

[0025] S1, the device end receives the Bluetooth connection request of the mobile end, and establishes Bluetooth connection with the mobile end;

[0026] S2, the device end sends authentication information, will information and subscription topic to the mobile end through Bluetooth connection, and the mobile end establishes MQTT connection with the platform end according to the authentication information and the will information, and subscribes to the topic;

[0027] S3, the device end sends the first information to the mobile end through Bluetooth connection, and the mobile end pushes the first message to the platform end through MQTT, and receives the second message issued by the platform end and transmits it to the device end.

[0028] From the above description, the beneficial effects of the present application are as follows: the data acquisition method and system of the portable power supply of the present application establish Bluetooth communication between the device end and the mobile end, the mobile end establishes MQTT message with the platform end according to the authentication message and the will message given by the device end, and only as an intermediate layer to send the message published by the device end to the platform end through MQTT, and receive the message issued by the platform end and transmit it to the device end through Bluetooth, the data protocol is determined and maintained by the device end and the platform end, the APP does not need to update the data protocol, which reduces the maintenance task of the APP end, and realizes the rapid access of the device.

[0029] Further, the step S3 further comprises the steps of:

[0030] The mobile end requests to read the WiFi information to the device end, receives the response message of the device end and displays;

[0031] The mobile end sends WiFi information setting request to the device end, sets the WiFi information of the device end, and the device end updates the WiFi information according to the WiFi setting request and returns the update result to the mobile end.

[0032] From the above description, in the WiFi scenario, the device is configured by the above steps.

[0033] Further, the preset Bluetooth communication format of the device end and the mobile end is:

[0034] Frame header, instruction ID, data length, data, CRC check code and frame tail.

[0035] Among them, the frame header is 2 bytes, the instruction ID is 1 byte, the data length is 2 bytes, the CRC check code is 2 bytes, and the frame tail is 1 byte.

[0036] From the above description, the Bluetooth communication between the device end and the mobile end is preset for the communication format, which includes CRC check code, and both devices can check the validity of the information.

[0037] Further, the step S1 is specifically:

[0038] The device end receives the Bluetooth connection request of the mobile end, establishes Bluetooth connection with the mobile end, and the mobile end subscribes to the Bluetooth characteristic value of the device end.

[0039] From the above description, after the mobile end establishes Bluetooth communication connection with the device end, it subscribes to the Bluetooth characteristic value, so that the mobile end can learn in time when the Bluetooth characteristic value of the device end changes, thereby ensuring the effective stability of data communication. The subscribed Bluetooth characteristics include read characteristics and write characteristics, and the mobile end listens to the read characteristics; the mobile end obtains the state of the device when listening to the read characteristics, displays it on the screen and uploads it to the platform through MQTT; the platform issues instructions to the mobile end through MQTT, and the mobile end writes the instructions issued by the platform through the write characteristic value.

[0040] Further, the step S3 includes the steps of:

[0041] S31, the device end sends a publish message to the mobile end through Bluetooth connection, the mobile end stores and displays the publish message, and transmits the publish message to the platform end through the MQTT connection;

[0042] S32, the mobile end receives the reply message returned by the platform end through the MQTT connection and transmits it to the device end;

[0043] S33, the mobile end receives the subscription message issued by the platform end through the MQTT connection, and transmits the subscription message to the device end through the Bluetooth connection;

[0044] S34, the device end executes operation according to the subscription message, and packs MQTT message and sends it to the mobile end through Bluetooth connection, which is transmitted to the platform end by the mobile end through MQTT connection.

[0045] From the above description, the device end and the platform end realize mutual communication based on the Bluetooth connection of the device end and the mobile end, and the MQTT connection of the mobile end and the platform end.

[0046] Please refer to Figure 2 A data acquisition system of a portable power supply includes a device end, a mobile end and a platform end, the device end includes a first processor, a first memory and a computer program stored in the first memory and executable on the first processor, the mobile end includes a second processor, a second memory and a computer program stored in the second memory and executable on the second processor, and the first processor implements the following steps when executing the first computer program:

[0047] S1, receiving a Bluetooth connection request of the mobile end, and establishing a Bluetooth connection with the mobile end;

[0048] S2, sending authentication information, will information and subscription topics to the mobile end through the Bluetooth connection;

[0049] S3, sending a publishing message and an MQTT message to the platform end through the Bluetooth connection with the mobile end and the MQTT connection between the mobile end and the platform end, and receiving the subscription information issued by the platform end;

[0050] The second processor implements the following steps when executing the second computer program:

[0051] S2, establishing an MQTT connection with the platform end according to the authentication information and the will information, and subscribing to the topic.

[0052] From the above description, the beneficial effects of the present application are that: the data acquisition method and system of the portable power supply of the present application establish Bluetooth communication between the device end and the mobile end, the mobile end establishes an MQTT message with the platform end according to the authentication message and the will message given by the device end, and only as an intermediate layer, sends the message published by the device end to the platform end through MQTT, and receives the message issued by the platform end and transmits it to the device end through Bluetooth, the data protocol is determined and maintained by the device end and the platform end, the APP does not need to update the data protocol, the maintenance task of the APP end is reduced, and the rapid access of the device is realized.

[0053] Further, the second processor executes the second computer program, and after step S3, the second processor further includes the following steps:

[0054] Requesting the device end to read WiFi information, receiving the response message of the device end and displaying;

[0055] Sending a WiFi information setting request to the device end, and setting the WiFi information of the device end;

[0056] The first processor further comprises the following step after step S3 when executing the first computer program:

[0057] According to the WiFi setting request, the WiFi information is updated, and an update result is returned to the mobile terminal.

[0058] As described above, in the scenario with WiFi, the device is configured with the network through the above steps.

[0059] Further, the preset Bluetooth communication format between the device and the mobile terminal is as follows:

[0060] The frame header, instruction ID, data length, data, CRC check code and frame tail;

[0061] Among them, the frame header is 2 bytes, the instruction ID is 1 byte, the data length is 2 bytes, the CRC check code is 2 bytes, and the frame tail is 1 byte.

[0062] As described above, the Bluetooth communication between the device and the mobile terminal is preset with a communication format, which includes a CRC check code, and both devices can check the validity of the information.

[0063] Further, the step S1 when the first processor executes the first computer program comprises:

[0064] Receiving a Bluetooth connection request of the mobile terminal and establishing a Bluetooth connection with the mobile terminal;

[0065] The second processor executes the second computer program when the step S1 comprises:

[0066] The mobile terminal subscribes to the Bluetooth characteristic value of the device.

[0067] As described above, after the mobile terminal establishes a Bluetooth communication connection with the device, it subscribes to the Bluetooth characteristic value of the device, so that the mobile terminal can learn in time when the Bluetooth characteristic value of the device changes, thereby ensuring the effective stability of data communication. The subscribed Bluetooth characteristics include read characteristics and write characteristics, and the mobile terminal listens to the read characteristics; the mobile terminal obtains the state of the device when listening to the read characteristics, displays it on the screen and uploads it to the platform through MQTT; the platform issues an instruction to the mobile terminal through MQTT, and the mobile terminal writes the instruction issued by the platform through the write characteristic value.

[0068] Further, the step S3 when the first processor executes the first computer program comprises the following step:

[0069] S31, sending a publishing message to the mobile terminal through the Bluetooth connection, the mobile terminal storing and displaying the publishing message, and transmitting the publishing message to the platform through the MQTT connection;

[0070] S34, performing operation according to the subscription message, and packaging an MQTT message and sending to the mobile terminal through the Bluetooth connection, and transmitting to the platform terminal through the MQTT connection by the mobile terminal;

[0071] The step S3 comprises the following steps when the second processor executes the second computer program:

[0072] S32, receiving the response message returned by the platform terminal through the MQTT connection, and transmitting to the device terminal;

[0073] S33, receiving the subscription message issued by the platform terminal through the MQTT connection, and transmitting to the device terminal through the Bluetooth connection.

[0074] As known from the above description, the device terminal and the platform terminal realize mutual communication based on the Bluetooth connection between the device terminal and the mobile terminal, and the MQTT connection between the mobile terminal and the platform terminal.

[0075] The data acquisition method and system of the portable power supply are suitable for manufacturers to collect data in the process of using the portable power supply in different scenes through the mobile terminal.

[0076] Please refer to Figure 1 , Figure 3 and Figure 4 , the embodiment one of the present application is:

[0077] A data acquisition method of a portable power supply, comprising the following steps:

[0078] S1, the device terminal receives the Bluetooth connection request of the mobile terminal, and establishes the Bluetooth connection with the mobile terminal; the step S1 is specifically:

[0079] The device terminal receives the Bluetooth connection request of the mobile terminal, and establishes the Bluetooth connection with the mobile terminal, and the mobile terminal subscribes the Bluetooth characteristic value of the device terminal.

[0080] The preset Bluetooth communication format of the device terminal and the mobile terminal is:

[0081] frame header, instruction ID, data length, data, CRC check code and frame tail;

[0082] Among them, the frame header is 2 bytes, the instruction ID is 1 byte, the data length is 2 bytes, the CRC check code is 2 bytes, and the frame tail is 1 byte.

[0083] In this embodiment, the APP (mobile terminal) and the device terminal transmit data through Bluetooth packet transmission, in order to prevent abnormal data caused by packet loss, the message format is agreed as shown in Table 1:

[0084] Table 1

[0085]

[0086] The packet with the head of 0xA5A5 received indicates the beginning of a frame of data, the tail of 0xAA received indicates the end of a frame of data, and the CRC algorithm is used to verify whether the data is complete.

[0087] In the embodiment, the device end refers to a portable power supply, and the platform end refers to a device of a manufacturer.

[0088] S2, the device end sends authentication information, will information and a subscription topic to the mobile end through a Bluetooth connection, the mobile end establishes an MQTT connection with the platform end according to the authentication information and the will information, and subscribes to the topic.

[0089] In the embodiment, the device end transmits username, password, clientId and will message to the APP through Bluetooth. After receiving the signal of initiating the MQTT connection from the device end, the APP uses the username, password, clientId and will message to connect with the platform end MQTT. The device end tells the APP the topics required for communication with the platform, including the topic for sending messages from the APP to the platform and the topic to be subscribed by the APP. These topics are maintained by the device end and the platform end, and are used for communication between the APP and the platform end.

[0090] S3, the device end sends a publishing message and an MQTT packet to the platform end through the Bluetooth connection with the mobile end and the MQTT connection between the mobile end and the platform end, and receives the subscription information issued by the platform end;

[0091] The step S3 comprises the steps of:

[0092] S31, the device end sends a publishing message to the mobile end through a Bluetooth connection, the mobile end stores and displays the publishing message, and transmits the publishing message to the platform end through an MQTT connection;

[0093] S32, the mobile end receives a response packet returned by the platform end through an MQTT connection, and transmits the response packet to the device end;

[0094] S33, the mobile end receives a subscription message issued by the platform end through an MQTT connection, and transmits the subscription message to the device end through a Bluetooth connection;

[0095] S34, the device end executes an operation according to the subscription message, and packs an MQTT packet to send to the mobile end through a Bluetooth connection, which is transmitted to the platform end by the mobile end through an MQTT connection.

[0096] In the embodiment, reference can be made to Figure 3 and Figure 4The device end sends information to the APP, the APP sends information to the platform end through the MQTT connection with the platform end and the topic for sending messages. The APP receives the information issued by the platform end through the subscribed topic and the MQTT connection, and transmits the information to the device through Bluetooth, so as to achieve the purpose of platform control of the device.

[0097] In the embodiment, the messages of all the above steps adopt the one-question-one-answer mode. After the APP receives the message of the device end, the APP sends a reply message to the device end to inform the device end that the message has been received. If the device end does not receive the reply message within a certain time, the device end sends the message to the APP end again, and the process is repeated three times.

[0098] When data collection of the portable power supply is needed, the data can be collected through the above communication mode.

[0099] Please refer to Figure 4 Embodiment two of the present application is:

[0100] A data collection method of a portable power supply, which is different from embodiment one in that the step S3 is followed by a step of:

[0101] The mobile end (APP) requests the device end to read the WiFi information, receives the reply message of the device end and displays the message.

[0102] The mobile end sends a WiFi information setting request to the device end, sets the WiFi information of the device end, the device end updates the WiFi information according to the WiFi setting request, and returns the update result to the mobile end.

[0103] Please refer to Figure 2 Embodiment three of the present application is:

[0104] A data collection system of a portable power supply, which comprises a device end, a mobile end and a platform end. The device end comprises a first processor, a first memory and a computer program stored in the first memory and executable on the first processor. The mobile end comprises a second processor, a second memory and a computer program stored in the second memory and executable on the second processor. When the first processor executes the first computer program and the second processor executes the second computer program, the steps of the data collection method of a portable power supply in the above embodiment one or two are realized.

[0105] In summary, the application provides a portable power data acquisition method and system, Bluetooth communication is established between the device end and the mobile end, the mobile end establishes MQTT message with the platform end according to the authentication message and the will message given by the device end, and only as an intermediate layer, the message published by the device end is sent to the platform end through MQTT, and the message issued by the platform end is received and transmitted to the device end through Bluetooth, in this way, the data acquisition of the portable power is carried out, the data protocol is determined and maintained by the device end and the platform end, the APP does not need to update the data protocol, the maintenance task of the APP end is reduced, and the rapid access of the device is realized.

[0106] The above is only an embodiment of the application, and does not limit the patent range of the application, any equivalent transformation made by using the content of the specification and drawings, or direct or indirect application in related technical fields, is also included in the patent protection range of the application.

Claims

1. A data acquisition method for a portable power source, characterized by, The method comprises the steps of: S1, the device end receives the Bluetooth connection request of the mobile end, and establishes Bluetooth connection with the mobile end; S2, the device end sends authentication information, will information and subscription topic to the mobile end through Bluetooth connection, and the mobile end establishes MQTT connection with the platform end according to the authentication information and the will information, and subscribes to the topic; S3, the device end sends the publishing message and the MQTT message to the platform end through Bluetooth connection with the mobile end and MQTT connection between the mobile end and the platform end, and receives the subscription information issued by the platform end; The step S3 comprises the steps of: S31, the device end sends the publishing message to the mobile end through Bluetooth connection, the mobile end stores and displays the publishing message, and transmits the publishing message to the platform end through MQTT connection; S32, the mobile end receives the reply message returned by the platform end through MQTT connection, and transmits it to the device end; S33, the mobile end receives the subscription message issued by the platform end through MQTT connection, and transmits the subscription message to the device end through Bluetooth connection; S34, the device end executes operation according to the subscription message, packs MQTT message, and sends it to the mobile end through Bluetooth connection, which is transmitted to the platform end by the mobile end through MQTT connection.

2. The data collection method of claim 1, wherein, The step S3 further comprises the steps of: The mobile end requests the device end to read WiFi information, receives the reply message of the device end and displays it; The mobile end sends WiFi information setting request to the device end, sets the WiFi information of the device end, the device end updates the WiFi information according to the WiFi setting request, and returns the update result to the mobile end.

3. The data collection method of claim 1, wherein, The preset Bluetooth communication format of the device end and the mobile end is: Frame header, instruction ID, data length, data, CRC check code and frame tail; Among them, the frame header is 2 bytes, the instruction ID is 1 byte, the data length is 2 bytes, the CRC check code is 2 bytes, and the frame tail is 1 byte.

4. The data collection method of claim 1, wherein, The step S1 is specifically: The device end receives the Bluetooth connection request of the mobile end, establishes Bluetooth connection with the mobile end, and the mobile end subscribes to the Bluetooth characteristic value of the device end.

5. A data acquisition system for portable power, comprising a device end, a mobile end and a platform end, the device end comprising a first processor, a first memory and a first computer program stored in the first memory and executable on the first processor, the mobile end comprising a second processor, a second memory and a second computer program stored in the second memory and executable on the second processor, characterized in that, The first processor realizes the following steps when executing the first computer program: S1, receiving the Bluetooth connection request of the mobile end, and establishing Bluetooth connection with the mobile end; S2, sending authentication information, will information and subscription topic to the mobile end through Bluetooth connection; S3, sending the publishing message and the MQTT message to the platform end through Bluetooth connection with the mobile end and MQTT connection between the mobile end and the platform end, and receiving the subscription information issued by the platform end; The second processor realizes the following steps when executing the second computer program: S2, establishing MQTT connection with the platform end according to the authentication information and the will information, and subscribing to the topic; The step S3 realized by the first processor when executing the first computer program comprises the steps of: S31, sending the publishing message to the mobile end through Bluetooth connection, storing and displaying the publishing message by the mobile end, and transmitting the publishing message to the platform end through MQTT connection; The second processor executes the second computer program, which comprises the steps of: S32, receiving the reply message returned by the platform end through the MQTT connection and transmitting the reply message to the device end; S33, receiving the subscription message issued by the platform end through the MQTT connection and transmitting the subscription message to the device end through the Bluetooth connection; The step S3 further comprises the following steps when the first processor executes the first computer program: S34, performing an operation according to the subscription message, packing an MQTT message and sending the MQTT message to the mobile end through the Bluetooth connection, and transmitting the MQTT message to the platform end by the mobile end through the MQTT connection.

6. The data acquisition system of a portable power supply of claim 5, wherein, The step S3 further comprises the following steps when the second processor executes the second computer program: requesting the device end to read WiFi information, receiving a reply message of the device end and displaying the reply message; sending a WiFi information setting request to the device end and setting the WiFi information of the device end; The step S3 further comprises the following steps when the first processor executes the first computer program: updating the WiFi information according to the WiFi setting request and returning an update result to the mobile end.

7. The data acquisition system of a portable power supply of claim 5, wherein, The preset Bluetooth communication format of the device end and the mobile end is as follows: a frame header, an instruction ID, a data length, data, a CRC check code and a frame tail; The frame header is 2 bytes, the instruction ID is 1 byte, the data length is 2 bytes, the CRC check code is 2 bytes and the frame tail is 1 byte.

8. The data acquisition system of a portable power supply of claim 5, wherein, The step S1 comprises the following steps when the first processor executes the first computer program: receiving a Bluetooth connection request of the mobile end and establishing a Bluetooth connection with the mobile end; The step S1 comprises the following steps when the second processor executes the second computer program: the mobile end subscribes to a Bluetooth characteristic value of the device end.

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