WO2013131239A1

WO2013131239A1 - Method for power-off alarm and power gateway

Info

Publication number: WO2013131239A1
Application number: PCT/CN2012/071969
Authority: WO
Inventors: 李春鹏; 景丰华; 钱泽旭; 阳美文
Original assignee: 华为终端有限公司
Priority date: 2012-03-06
Filing date: 2012-03-06
Publication date: 2013-09-12
Also published as: CN102742118B; CN102742118A

Abstract

The embodiments provide a method for power-off alarm and an power gateway, the method for power-off alarm comprising: when the power gateway is power off and a standby electric power is started to supply, the power gateway sends alarm information to a server; the power gateway times with an duration; if the power gateway does not receive alarm response information sent by the server in the duration, it returns to the step that the power gateway sends alarm information to the server, hence the power gateway sends alarm information again in the condition that alarm response information is not received in the duration, and it prevents the situation that the alarm information is continually sent for several times but can not reach the server, and it raises the success rate of sending alarm information.

Description

Method for power failure alarm and power gateway

Embodiments of the present invention relate to the field of power, and in particular, to a method for powering down and a power gateway.

BACKGROUND With the rapid development of sensing technology, automatic control technology and communication technology in the power field, wireless data services have been widely used in power gateways such as wireless meter reading, and wireless meter reading has a process of reducing user intervention and reducing a large amount of The advantage of operating costs such as meter reading personnel, but the problem that comes with it is how to ensure the monitoring of the power gateway of the abnormal working state when the grid is out of power, natural disasters, and large-scale maintenance of the power grid. And control is an important issue in the field of wireless meter reading. In the prior art, the power gateway uses a battery, such as a lithium sulfite acid battery, as a backup power source of the power gateway, when the power gateway is powered off or an abnormal cause such as a natural disaster or a power grid maintenance causes the power supply external power supply to be interrupted. The power gateway will switch to the backup power supply and shut down the power gateway after data storage and alarm messages are sent to the server. The existing power gateway sends an alarm message to the server after the external power supply is abnormally interrupted. The power gateway is turned off after several consecutive alarm messages are sent. However, several alarm messages sent before the power gateway is turned off may not be delivered to the server. Make sure the server is aware of anomalies on the power gateway.

Summary of the invention

The embodiment of the invention provides a power failure alarm method and a power gateway, which are used to solve the problem that the power gateway cannot ensure that the server is aware of the abnormal situation when the power gateway is abnormally powered off.

Embodiments of the present invention provide a method for power failure alarm, including:

When the power gateway is powered off, the power gateway sends an alarm message to the server;

The power gateway is timed according to a duration;

If the power gateway does not receive the alarm response message sent by the server within the duration, returning to the power gateway to send an alarm message to the server.

The embodiment of the invention further provides a power gateway, including:

a processor, configured to: when the power gateway is powered off, instruct the first communicator to send an alarm message to the server, and time to count according to a duration; and to determine that the first communicator does not receive within the duration Sending an alarm response message to the server, instructing the first communicator to send an alarm message to the server, and timing according to a duration;

The first communicator is configured to send an alarm message to the server.

The power failure alarm method and the power gateway provided by the embodiments of the present invention have the following beneficial effects: When the power gateway is powered off, the power gateway sends an alarm message to the server, and performs timing according to a time period, if the power gateway is within the random time period If the alarm response message sent by the server is not received, the step of executing the foregoing power gateway to send an alarm message to the server is returned, so that the power gateway sends the alarm message again when the alarm response message is not received within the duration, so as to avoid sending the message several times in succession. The situation that the alarm message cannot be delivered to the server improves the success rate of the alarm message transmission.

DRAWINGS

1 is a schematic flow chart of a method for power failure alarm according to an embodiment of the present invention;

2 is another schematic flowchart of a method for powering off an alarm according to an embodiment of the present invention;

3 is a schematic structural diagram of a power gateway according to an embodiment of the present invention;

FIG. 4 is another schematic structural diagram of a power gateway according to an embodiment of the present invention.

detailed description

The current terminal equipment monitoring system mainly includes a server, a power gateway and a plurality of terminal devices. The server and the power gateway generally perform wireless data transmission through a wireless network, such as a third-generation mobile communication (3rd-generation, 3G) network, and a general packet radio service (GPRS) network; And the terminal device generally performs wireless data transmission through a local home office network or a home area network (HAN), for example, a power line carrier communication (PLC) or a radio frequency (RF) network. It should be noted that, in the embodiment of the present invention, the first communicator of the power gateway is configured to perform wireless data transmission with the server; and the second communicator of the power gateway is configured to perform wireless data transmission with the terminal device.

The embodiment of the invention provides a power failure alarm method and a power gateway, which are used for sending an alarm message to the server after the power gateway is abnormally interrupted, which can effectively improve the success rate of the alarm message transmission.

Referring to FIG. 1 , an embodiment of a method for powering off an alarm according to an embodiment of the present invention includes: 101. When a power gateway is powered off, and an alternate power supply is enabled, an alarm message is sent to the server. In the embodiment of the present invention, When the power gateway is powered off and the backup power supply is enabled, the power gateway will send an alarm message to the server, where the server refers to the management and control of the power network on the operator side. Server.

It should be noted that, in the embodiment of the present invention, after the power gateway is powered off, the power gateway will use the backup power source for power supply, and in order to prevent data loss, the power gateway will also save the data being processed and the data buffered in the buffer. .

It should be noted that, in the embodiment of the present invention, the power failure alarm is described in the case that the power gateway is powered off and powered by the backup power source.

102. The power gateway performs timing according to a duration;

In an embodiment of the invention, the power gateway will count for a period of time after transmitting the alarm message.

103. If the power gateway does not receive the alarm response message sent by the server within the duration, return to step 101.

In the embodiment of the present invention, if the power gateway does not receive the alarm response message sent by the server within the duration, it returns to the content in step 101, that is, sends an alarm message to the server.

In the embodiment of the present invention, when the power gateway is powered off and the standby power supply is enabled, the power gateway sends an alarm message to the server for timing according to a duration. If the power gateway does not receive the alarm response sent by the server within the duration. The message returns to the step of executing the above-mentioned power gateway to send an alarm message to the server, so that when the alarm response message is not received within the duration, the power gateway sends the alarm message again, avoiding continuously sending the alarm message several times and failing to reach the server. The situation improves the success rate of sending alarm messages.

For a better understanding of the technology in the embodiments of the present invention, refer to FIG. 2, which is an embodiment of a method for powering off an alarm according to an embodiment of the present invention, including:

201. When the power gateway is powered off and the backup power supply is enabled, sending an alarm message to the server. In the embodiment of the present invention, when the power gateway is powered off and the backup power supply is enabled, the power gateway sends an alarm message to the server.

It should be noted that, in the embodiment of the present invention, when the power gateway is powered off, the power gateway will be powered by the backup power source, and in order to avoid data loss, the power gateway will also save the data being processed and the data buffered in the buffer to In the data memory, in addition, in order to reduce the consumption of power, the power gateway will also turn off the second communicator and other units not related to transmitting the alarm message, or set the second communicator and other units unrelated to the transmission of the alarm message to the sleep mode. And in order to ensure that the power gateway can send an alarm message, the power gateway will also detect whether the network is connected, if the network is disconnected, the power network Off will establish a network connection.

202. The power gateway performs timing according to a duration;

In the embodiment of the present invention, the duration may be a preset duration, or may be a random duration generated by the power gateway, and the power gateway may time the duration according to a duration: the power gateway acquires the preset duration, according to the preset The duration is timed, or the power gateway generates a random duration, which is timed according to the random duration.

In the embodiment of the present invention, by generating a random duration, it is possible to effectively avoid the problem of network congestion caused by the power gateway simultaneously transmitting the alarm message in the case of large-scale power failure of the power network, and can effectively improve the alarm message transmission. Success rate.

It should be noted that, in the embodiment of the present invention, in order to prevent the generated random duration from being too long, the power gateway may preset the maximum value of the generated random duration. For example, the maximum value of the randomly generated random duration may be 10 minutes.

203. The working state of the power gateway set in the duration is a sleep mode;

In the implementation of the present invention, the power gateway also sets the working state in the duration to the sleep mode, saves power, and prolongs the use time of the standby power.

204. If the power gateway does not receive the alarm response message sent by the server within the time limit, at the end of the duration, the power gateway sets the current working state to the working mode, and returns to step 201; if the power gateway does not receive within the time limit To the alarm response message sent by the server, at the end of the duration, the power gateway will set the current working state to the working mode, and return to step 201 to send an alarm message to the server.

205. If the power gateway receives the alarm message sent by the server within the duration, the power gateway is turned off at the end of the current duration; or, within the duration, when the power gateway receives the alarm response message sent by the server, the power gateway is turned off. .

In the embodiment of the present invention, if the power gateway receives the alarm response message sent by the server within the duration, the power gateway may be closed at the end of the current duration, or, within the duration, when the power gateway receives the alarm sent by the server. When the message is responded, the power gateway is turned off, wherein the alarm response message can be Acknowledge information.

It should be noted that when the working state of the power gateway is in the sleep mode, the first communicator in the power gateway still has the function of receiving an alarm response message fed back by the server.

In the embodiment of the present invention, when the power gateway is powered off and powered by the backup power source, the power gateway will The server sends an alarm message and counts according to a time period. If the power gateway does not receive the alarm response message sent by the server within the time limit, it returns to perform the step of sending the alarm message to the server by the power gateway, if the power gateway is within the duration After receiving the alarm response message sent by the server, it is closed, and by setting the duration between the sent alarm messages, it can effectively avoid the situation that the alarm message is continuously sent and cannot be delivered to the server, thereby improving the success rate of sending the alarm message. After counting for a period of time, the power gateway will also set the working state within the duration to the sleep mode, which can effectively reduce the power consumption and extend the standby power usage time.

Referring to FIG. 3, an embodiment of a configuration diagram of a power gateway in an embodiment of the present invention includes: a processor 301, configured to: when the power gateway is powered off, and is powered by the backup power source, instruct the first communicator to send an alarm message to the server. And counting for a period of time; and for determining that the first communicator does not receive the alarm response message sent by the server within the duration, instructing the first communicator to send an alarm message to the server, and timing alarm according to a duration Response message

The first communicator 302 is configured to send an alarm message to the server.

In the embodiment of the present invention, when the power gateway is powered off and powered by the backup power source, the processor 301 in the power gateway instructs the first communicator 302 to send an alarm message to the server, and the processor 301 counts the time according to a duration. During the duration, the processor 301 determines that the first communicator 302 does not receive the alarm response message sent by the server, and instructs the first communicator 302 to send an alarm message to the server, and continues to count for a period of time, so that the first communicator When the 302 does not receive the alarm response message, the alarm message can be sent again after the end of the duration, effectively avoiding the situation that the alarm message is continuously sent and cannot be delivered to the server, and the success rate of the alarm message transmission is improved.

For a better understanding of the power gateway in the embodiment of the present invention, refer to FIG. 4, which is an embodiment of a structure diagram of a power gateway according to an embodiment of the present invention, including:

The processor 301 and the first communicator 302 are similar to those described in the embodiment shown in FIG. 3, and details are not described herein again.

In the embodiment of the present invention, the processor 301 performs timing according to a duration, which may be:

The 301 obtains the preset duration, performs timing according to the preset duration, or the processor 301 generates a random duration, and performs timing according to the random duration. By using the random duration, the large-scale power failure of the power network can be effectively avoided. The power gateway sends the alarm message to the network congestion caused by the alarm message, which can effectively improve the success rate of the alarm message transmission.

In the embodiment of the present invention, the processor 301 will enter after being used for timing for a period of time. The sleep mode, and enters the operational mode before instructing the first communicator 302 to send an alert message to the server.

In the embodiment of the present invention, the first communicator 302 is further configured to receive an alarm response message sent by the server, specifically: when the first communicator 302 receives the alarm response message, the first communicator 302 triggers the processor 301 to enter. In the working mode, after confirming that the alarm response message is received, the processor 301 will turn off the power gateway, or, within the duration, if the first communicator 302 receives the alarm response message, the processor 301 enters the work at the end of the current duration. Mode, after confirming that an alarm response message has been received, the power gateway will be turned off.

It should be noted that, in the embodiment of the present invention, the first communicator 302 is configured to implement long-distance radio frequency communication between the power gateway and the server, and the specific communication method may be General Packet Radio Service (GPRS). Communication methods, Long Term Evolution (LTE) communication methods, global mobile communication systems (GSM, global system for mobile communications), and the like.

The power gateway further includes a second communicator 401, configured to implement short-range radio frequency communication of the power gateway, and the specific communication manner may be a communication method such as Zigbee, and in the embodiment of the present invention, when the power gateway is powered off, the processor The 301 will send a sleep command or a close command to the second communicator 401, or control the switch control pin or the power supply enable control signal through a general purpose input output (GPIO) to turn off the second communicator 401.

In the embodiment of the present invention, the power gateway may further include:

The power failure detector 402 is configured to detect whether the power gateway is powered off, and notify the processor of the detection result.

301 ;

The backup power source 403 is configured to provide power when the power gateway is powered off;

The power switching management circuit 404 is configured to perform circuit switching when the power gateway is powered off, and use the standby power source to supply power;

a data storage 405, configured to store data processed by the processor and data buffered in the buffer when the power gateway is powered off;

The AC/DC conversion circuit 406 is configured to convert the voltage of the input power gateway into a DC voltage.

It should be noted that, in the embodiment of the present invention, the backup power source 403 may be a lithium thionyl chloride battery or a Farad-class super capacitor group; the processor 301 may include an advanced precision instruction set processor (ARM, Advanced RISC Machines). Can also include digital signal processing (DSP, Digital Singal Processing) processor.

In the embodiment of the present invention, under normal circumstances, the power gateway is powered by an external power source, and the AC/DC conversion circuit 406 in the power gateway converts the external voltage of the input power gateway into a DC voltage to supply power to the power gateway, and the power failure detector 402 detects the output voltage of the AC/DC conversion circuit 406 in real time, and sends the detection result to the processor 301. The processor 301 determines based on the detection result, and if the processor 301 determines that the power gateway is powered off, it will send The switching command is sent to the power switching management circuit 404. The power switching management circuit 404 performs circuit switching, and the power supply circuit is switched to the standby power source 403 by hardware automatic switching or software control switching, and the standby power source 403 is used to provide a current for the power gateway to continuously operate.

In the embodiment of the present invention, after the power gateway is powered by the backup power source 403, the processor 301 saves the data currently being processed and the data buffered in the buffer to the data memory, and closes the second communicator 401 by sending a close command. Other units that are not related to sending an alarm message, or send a sleep command to put it in sleep mode to save power. To ensure that an alarm message can be sent, the processor 301 will also determine whether the current network handles the connection status, if the current network is disconnected. The processor 301 will establish a network connection, and then the processor 301 instructs the first communicator 302 to send an alarm message to the server, and the processor 301 counts for a period of time and enters a sleep mode, wherein the duration may be preset. The duration may also be a generated random duration. If the first communicator 302 receives the alarm response message sent by the server within the duration, after the current duration ends, the processor 301 enters the working mode, and the processor 301 confirms the An alarm response message received by a communicator 302 is turned off Force gateway, or within the duration, after the first communicator 302 receives the alarm response message sent by the server, the first communicator 302 triggers the processor 301 to enter the working mode, and the processor 301 confirms that the alarm response message has been received, and then closes If the first communicator 302 does not receive the alarm response message sent by the server within the time limit, the processor 301 enters the working mode at the end of the duration, and then indicates the first after confirming that the alarm response message is not received. The communicator 302 sends an alarm message to the server, so that in the case that the alarm response message is not received, the processor 301 sends an alarm message at intervals of one time, which can effectively avoid the situation that the alarm message is continuously sent and cannot be sent to the server, and the alarm is improved. The success rate of the message sent. At the same time, the processor 301 can effectively reduce the power consumption and extend the standby power consumption time by turning off or sleeping the second communicator and other units unrelated to sending the alarm message, and setting the working state in the duration to the sleep mode.

It should be noted that the first communicator and the processor described in the embodiments of the present invention may be separately used. The chip or the unit is implemented, and may be a chip or a unit that is integrated together, and may also be a different processing module in the main chip, which is not limited by the present invention.

A person skilled in the art can understand that all or part of the steps of implementing the above embodiments can be completed by a program to instruct related hardware, and the program can be stored in a computer readable storage medium, the above mentioned storage. The medium can be a read only memory, a magnetic disk or a compact disk or the like.

The method for powering off the alarm and the power gateway provided by the present invention are described in detail above. For those skilled in the art, according to the idea of the embodiment of the present invention, the specific implementation manner and the application range may be changed. In the above, the contents of the specification are not to be construed as limiting the invention.

Claims

Rights request

A method for power failure alarm, characterized in that it comprises:

When the power gateway is powered off, when the backup power supply is enabled, the power gateway sends an alarm message to the server;

The power gateway is timed according to a duration;

2. The method according to claim 1, wherein the power gateway performs timing according to a duration:

The power gateway acquires a preset duration, and performs timing according to the preset duration;

Or,

The power gateway generates a random duration and counts according to the random duration.

The method according to claim 1 or 2, wherein the power gateway further comprises:

Setting the working state of the power gateway within the duration to a sleep mode;

Then, before the step of returning the sending of the alarm message to the server, the method further includes:

At the end of the duration, the power gateway sets the current working state to the operating mode.

The method according to any one of claims 1 to 3, wherein the power gateway comprises a second communicator for implementing radio frequency communication of a terminal device connected to the power gateway; Before the server sends an alarm message, it also includes:

The power gateway turns off the second communicator;

Or,

The power gateway sets the working state of the second communicator to a sleep mode.

The method according to claim 3 or 4, wherein the method further comprises: if the power gateway receives the alarm response message sent by the server within the duration, maintaining the sleep mode, At the end of the duration, the power gateway is shut down;

Or,

If the power gateway receives the alarm response message sent by the server within the duration, the power gateway is shut down.

6. A power gateway, comprising: a processor, configured to: when the power gateway is powered off, is powered by the backup power source, instruct the first communicator to send an alarm message to the server, and timed according to a duration; and, if the power is within the duration, determine the first The communicator does not receive the alarm response message sent by the server, and instructs the first communicator to send an alarm message to the server, and time counts according to a duration;

The first communicator is configured to send an alarm message to the server.

7. The method according to claim 6, wherein the timing of the processor by a duration comprises:

The processor acquires a preset duration, and performs timing according to the preset duration;

Or,

The processor generates a random duration and counts according to the random duration.

The power gateway according to claim 6 or 7, wherein the processor enters a sleep mode after timing according to the duration; before instructing the first communicator to send an alarm message to the server, Enter the work mode.

The power gateway according to any one of claims 6 to 8, wherein the first communicator is further configured to receive an alarm response message sent by the server.

10. The power gateway of claim 9 wherein:

Within the duration, when the first communicator receives the alert response message, the first communicator triggers the processor to enter an operational mode, and the processor acknowledges receipt of the alert response message Afterwards, the power gateway is turned off; or, if the first communicator receives the alarm response message within the duration, the processor enters the working mode at the end of the current duration, and confirms that the received message is received. After the alarm response message is described, the power gateway is turned off.

The power gateway according to any one of claims 6 to 10, wherein the power gateway further comprises: a second communicator, configured to implement wireless radio frequency communication of the terminal device connected to the power gateway;

When the power gateway is powered off, the processor will send a sleep command or a close command to the second communicator; or, when the power gateway is powered off, the processor controls the switch through a general-purpose input and output GPIO control The pin or power supply enables the control signal to turn off the second communicator.

The power gateway according to any one of claims 6 to 11, wherein the power gateway further comprises: a power failure detector, configured to detect whether the power gateway is powered off, and notify the processing result of the detection result Device a backup power source, configured to provide power to the processor and the first communicator when the power gateway is powered off;

a power switching management circuit, configured to perform circuit switching when the power gateway is powered off, and supply power by using the standby power source;

a data storage, configured to store data processed by the processor and data buffered in a buffer when the power gateway is powered off;

An AC/DC conversion circuit for converting a voltage input from a power grid into a DC voltage.