CN102522827B - Intelligent integrated electricity-distributing method and device as well as intelligent integrated electricity-distributing terminal - Google Patents

Abstract

The invention discloses an intelligent integrated electricity-distributing method and device as well as an intelligent integrated electricity-distributing terminal, wherein the intelligent integrated electricity-distributing terminal comprises a remote metering module, a remote signaling module, a communication module, a remote control module, a power supply and a display. Functions which only can be finished by combining a DTU (Data Transfer unit) and a display interactive terminal in the prior art can be finished through the mutual communication of all the modules by skillfully combining the remote signaling module, the remote metering module, a main control module, the communication module, the remote control module, the power supply and the display according to the embodiment of the invention to further achieve the effect of energy saving.

Description

Intelligent integrated power distribution method, device and intelligent integrated power distribution terminal

technical field

The present invention relates to the technical field of electronic power, and more specifically, relates to an intelligent integrated power distribution method, a device and an intelligent integrated power distribution terminal.

Background technique

The power distribution room is an indoor power distribution place with low-voltage loads, which mainly distributes power to low-voltage users. The power distribution room includes: DTU (Data Transfer unit, data transmission unit), the DTU is specially used to convert serial port data into IP data or convert IP data into serial port data, and transmit them through the wireless communication network wireless terminal equipment. The DTU is connected to the transmission line supplying power to the power distribution room, and a switch is arranged on the transmission line.

The DTU can detect the first information and the second information in the transmission line; the first information includes: current state and voltage state, and the current state and voltage state refer to: AC voltage value, AC current value, DC voltage value As well as the DC current value, the second information includes: switch state quantity. and after processing the first information and the second information, send the processed first information and the second information to the system master station or the system sub-station, and the system master station will detect the whether the processed first information and the second information meet the requirements, that is, combine the first information and the second information with the nominal voltage input range of the transmission line, the current input nominal range and the modified Compare the standard state of the switch state quantity within the time period, if it is within the corresponding range, it meets the requirements, if it exceeds the corresponding range, the system master station will generate corresponding control commands according to the information that does not meet the range, so The DTU performs corresponding operations according to the received control command. For example, if the value of the second information is out of range, the DTU will control the switching action on the power line, so that the second information on the power line returns to normal. The processed first information and the second information may also be sent to each display interaction terminal. The display interaction terminal is located in each user terminal and is used to display the current amount and current state sent by the DTU, and the user performs corresponding operations according to the current amount and current state.

According to different application scenarios, the composition of each DTU is different. For example, the DTU used in the distribution automation terminal includes: ARM9, DSP, LCD panel, telemetry board, remote signaling board, remote control board and power supply. According to different application scenarios, the composition of each display interaction terminal is also different. But no matter what the scene is, there are common components between the display interaction terminal and the DTU, such as power supply. This will result in a waste of resources.

Contents of the invention

In view of this, the present invention provides an intelligent integrated power distribution method, device and intelligent integrated power distribution terminal to overcome the waste of resources caused by the common components between the display interactive terminal and the DTU in the prior art The problem.

To achieve the above object, the present invention provides the following technical solutions:

An intelligent integrated power distribution terminal, comprising:

A telemetry module that is connected to the transmission line and collects the first signal on the transmission line;

A remote signaling module that is connected to the transmission line, collects a second signal on the transmission line, and performs corresponding operations after receiving a second control command corresponding to the second signal;

A main control module that is respectively connected to the remote signaling module and the telemetry module, and processes the first signal and the second signal after receiving the first signal and the second signal;

Respectively connected to the system master station and the main control module, receive the processed first signal and the processed second signal, and receive the second signal generated by the system master station according to the processed first signal A control command and the second control command generated by the system master station according to the processed second signal, and sending the first control command and the second control command to the main control module , communication module;

A remote control module that is connected to the main control module and performs corresponding control operations according to the received first control command;

Connected to the main control module, sending third information to the main control module, and performing corresponding operations according to a third control command generated by the main control module according to the third information, a power supply; the third Information includes: discharge management, low voltage warning, undervoltage protection, equalization charge/float charge control, activation, and undervoltage cutoff information;

Connected to the main control module, displaying the information of the module according to the information stored in the main control module after receiving a command to view the information of a certain module connected to the main control module, a display;

After the main control module detects a software and hardware failure, it judges the type of the failure and instructs the display to display it.

Preferably, the telemetry module specifically includes:

a voltage transformer connected to said transmission line;

a current transformer connected to said transmission line;

analog switches respectively connected to the voltage transformer and the current transformer;

A/D converter connected to said analog switch.

Preferably, the main control module is specifically: a 32-bit high-frequency industrial-grade ARM9 chip.

Preferably, the communication module is specifically a communication module equipped with at least one RS232, RS485 communication serial port, at least one RJ-45 network port or at least one optical fiber communication interface.

Preferably, after the main control module detects a hardware or software failure, it determines the type of the failure and stores the type of failure.

An intelligent integrated power distribution method, comprising:

detecting the first signal and the second signal in the transmission line;

processing the first signal and the second signal, and sending the processed first signal and the processed second signal to a system master station;

Detecting whether the first control command generated by the system master station according to the processed first signal and the second control command generated by the system master station according to the processed second signal are received, if yes, then performing corresponding operations according to the first control command and the second control command;

The first control command is to remotely control the opening and closing of the switch on the transmission line;

Detect whether a command to display information has been received, and if so, display the information.

An intelligent integrated power distribution device, comprising:

a first detection module, configured to detect the first signal and the second signal in the transmission line;

a processing module, configured to process the first signal and the second signal;

A sending module, configured to send the signal processed by the processing module to the system master station;

The second detection module is used to detect whether the first control command generated by the system master station according to the processed first signal and the second control command generated by the system master station according to the processed second signal are received. control commands;

An operation module, configured to perform corresponding operations according to the first control command and the second control command when the detection result of the second detection module is yes;

The third detection module is used to detect whether a command for displaying information is received;

A display module, configured to display the information when the detection result of the third detection module is yes.

It can be known from the above-mentioned technical solutions that the embodiment of the present invention can complete the remote signaling module, the telemetry module, the main control module, the communication module, the remote control module, the power supply and the display through the clever combination of the modules and the mutual communication between the modules. In the prior art, the function can only be completed by combining the DTU and the display interactive terminal, thereby achieving the effect of energy saving.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a schematic structural diagram of an intelligent integrated power distribution terminal disclosed in an embodiment of the present invention;

Fig. 2 is a flowchart of an intelligent integrated power distribution method disclosed in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of an intelligent integrated power distribution device disclosed in an embodiment of the present invention.

Detailed ways

For reference and clarity, descriptions, abbreviations or abbreviations of technical terms used in the following text are summarized as follows:

DTU: Data Transfer unit, data transmission unit.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment one

Please refer to Figure 1, which is a schematic structural diagram of an intelligent integrated power distribution terminal disclosed in an embodiment of the present invention. The intelligent integrated power distribution terminal may include: a telemetry module 101, a remote signaling module 102, a main control module 103, Communication module 104, remote control module 105, power supply 106 and display 107, wherein:

The telemetry module connected to the transmission line and collecting the first signal on the transmission line;

Specifically, the telemetry module specifically includes: a voltage transformer connected to the transmission line; a current transformer connected to the transmission line; an analog switch connected to the voltage transformer and the current transformer respectively; and The analog switch is connected to the A/D converter.

After the voltage transformer receives the voltage on the transmission line, the voltage is converted into a voltage suitable for sampling by the analog switch through the voltage transformer;

After the current transformer receives the current on the transmission line, the current transformer first converts the current into a current suitable for sampling by the analog switch;

Finally, the A/D converter performs analog-to-digital conversion on the current sampled from the analog switch.

Specifically, the telemetry module is used to complete the collection of 2 line voltages and 4 line currents; the telemetry board also has an AC board, the AC board is a general board, and each AC board completes 6 channels of TV, The signal switching function of the 12-way TA is to convert the secondary value of TV and TA into a signal acceptable to the CPU. Generally, it collects the voltage of two lines and the current of four lines. Different voltage ranges are realized through different current-limiting resistors, and different current ranges are realized through different current transformers to collect relevant detection data such as equipment import and export voltage, current, active power, reactive power, power factor, and oil temperature.

The remote signaling module that is connected to the transmission line, collects a second signal on the transmission line, and performs corresponding operations after receiving a second control command corresponding to the second signal;

It is mainly responsible for the monitoring of state quantities, such as the state quantities of switches on power lines. The remote signaling module in this embodiment adopts a modular design, and the number of modules can be increased or decreased to meet different application requirements.

According to different application scenarios, the composition of the state quantity is different. In the power distribution site, the state quantity includes: switch opening/closing position, remote/local operation handle position, spring energy storage position, grounding knife switch position , Fuse blowing signal, SF6 switch low air pressure signal, heater action signal in the switch mechanism, power failure signal, backup power supply undervoltage signal, cabinet (station) door opening signal, etc.

The main control module is respectively connected to the remote signaling module and the telemetry module, and processes the first signal and the second signal after receiving the first signal and the second signal;

Preferably, the main control module is specifically: a 32-bit high-frequency industrial-grade ARM9 chip. ARM9 has large-capacity program space, RAM, I/O signals, CAN, SCI, SPI, embedded AD modules and other interfaces, which can reduce peripheral storage and auxiliary chips.

The main control module can also judge the type of the fault after detecting a software and hardware fault, and instruct the display to display.

The main control module may also determine the type of the fault after detecting a software and hardware fault, and store the fault type.

The main control module and each functional module can be connected through a CAN bus.

Respectively connected to the system master station and the main control module, receive the processed first signal and the processed second signal, and receive the second signal generated by the system master station according to the processed first signal A control command and the second control command generated by the system master station according to the processed second signal, and sending the first control command and the second control command to the main control module , the communication module;

Multiple RS232, RS485 communication serial ports and RJ-45 network ports can be configured to support multiple communication links to complete functions such as software program upload and download, data transmission, man-machine dialogue debugging, etc. Optional communication methods such as external Modem, built-in Ethernet port, etc., or expansion and connection with communication equipment such as digital radio, GSM/GPRS, optical cable, microwave, satellite, etc., support a variety of optional communication protocols to achieve wired, wireless communication.

The remote control module that is connected to the main control module and performs corresponding control operations according to the received first control command;

The remote control module executes the first control command issued by the main control module, and remotely controls the opening and closing of the switch on the transmission line. The output terminals of the remote control module can be used independently, or they can be used as a closing/opening pair.

The power supply that is connected to the main control module, sends third information to the main control module, and performs corresponding operations according to a third control command generated by the main control module according to the third information; the power supply; The third information includes: discharge management, low voltage alarm and undervoltage cut off information;

The battery can realize the function of converting two-way AC 220V or 110V input to one-way 24V DC output, and can also provide charging function for the storage battery in the central control module.

According to the charge and discharge curve of the battery in the main control module, the battery is subjected to equal charge/float charge control, low-voltage alarm, under-voltage protection cut-off, and activation; wherein, when the under-voltage protection is cut off, zero load at both ends of the battery can be realized ;Provide activation start and stop interfaces for the battery, which can automatically activate the battery on a regular basis, and has three recovery methods: active upload of activation status (with automatic stop activation), external intervention to stop activation and hardware forced stop activation, which can prevent the occurrence of The phenomenon that there is a working power supply but the device is in an activated state and cannot work.

The power supply can also provide a dual power supply monitoring function, and when the power supply is abnormal, it can provide a power failure signal from the corresponding power supply.

The monitor is connected to the main control module, and displays the information of the module according to the information stored in the main control module after receiving a command to view the information of a module connected to the main control module.

In the embodiment of the present invention, by cleverly combining the remote signaling module, telemetry module, main control module, communication module, remote control module, power supply and display, and through the mutual communication between each module, the DTU and DTU in the prior art can be completed. Display functions that can only be completed by combining interactive terminals, thereby achieving the effect of energy saving.

Embodiment two

Please refer to Figure 2, which is a flowchart of an intelligent integrated power distribution method disclosed in an embodiment of the present invention, the method may include:

Step S201: detecting the first signal and the second signal in the transmission line;

Step S202: Process the first signal and the second signal, and send the processed first signal and the processed second signal to the system master station;

Step S203: Detect whether the first control command generated by the system master station according to the processed first signal and the second control command generated by the system master station according to the processed second signal are received, if If yes, then enter step S204, if no, then do not process;

In step S203, "if no, do not process" is just for the convenience of drawing the picture and does not necessarily mean not to process, and corresponding operations can also be performed according to the actual situation.

Step S204: Perform corresponding operations according to the first control command and the second control command;

Step S205: Detect whether a command to display information is received, if yes, go to step S206, if not, do not process.

"If no, do not process" in step S205 is just for the convenience of drawing a picture and does not necessarily mean not to process, and corresponding operations can also be performed according to the actual situation.

Step S206: Display the information.

The embodiment of the present invention can complete the method that can only be completed by combining the DTU and the display interactive terminal in the prior art by cleverly using the transmission between various signals, thereby achieving the effect of energy saving.

The method is described in detail in the above disclosed embodiments of the present invention. The method of the present invention can be realized by using various forms of devices. Therefore, the present invention also discloses a device, which will be described in detail in the following specific embodiments.

Embodiment three

Please refer to FIG. 3 , which is a schematic structural diagram of an intelligent integrated power distribution device disclosed in an embodiment of the present invention. The device may include: a first detection module 301 , a processing module 302 , a sending module 303 , a second detection module 304 , The operation module 305, the third detection module 306 and the display module 307, wherein:

The first detection module is used to detect a first signal and a second signal in the transmission line, the first signal includes: current amount and current state, and the second signal includes: AC amount and DC amount;

The processing module is configured to process the first signal and the second signal;

The sending module is configured to send the signal processed by the processing module to the system master station;

The second detection module is configured to detect whether the first control command generated by the system master station according to the processed first signal and the first control command generated by the system master station according to the processed second signal are received. second control order;

The operation module is used to perform corresponding operations according to the first control command and the second control command when the detection result of the second detection module is yes;

The third detection module is used to detect whether a command to display information is received;

The display module is configured to display the information when the detection result of the third detection module is yes.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The steps of the methods or algorithms described in connection with the embodiments disclosed herein may be directly implemented by hardware, software modules executed by a processor, or a combination of both. Software modules can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other Any other known storage medium.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. An intelligent integrated power distribution terminal, characterized in that it comprises: A telemetry module that is connected to the transmission line and collects the first signal on the transmission line; A remote signaling module that is connected to the transmission line, collects a second signal on the transmission line, and performs corresponding operations after receiving a second control command corresponding to the second signal; A main control module that is respectively connected to the remote signaling module and the telemetry module, and processes the first signal and the second signal after receiving the first signal and the second signal; Respectively connected to the system master station and the main control module, receive the processed first signal and the processed second signal, and receive the second signal generated by the system master station according to the processed first signal A control command and the second control command generated by the system master station according to the processed second signal, and sending the first control command and the second control command to the main control module , communication module; A remote control module that is connected to the main control module and performs corresponding control operations according to the received first control command; Connected to the main control module, sending third information to the main control module, and performing corresponding operations according to a third control command generated by the main control module according to the third information, a power supply; the third Information includes: discharge management, low voltage warning, undervoltage protection, equalization charge/float charge control, activation, and undervoltage cutoff information; Connected to the main control module, displaying the information of the module according to the information stored in the main control module after receiving a command to view the information of a certain module connected to the main control module, a display; After the main control module detects a software and hardware failure, it judges the type of the failure and instructs the display to display it. 2. The intelligent integrated power distribution terminal according to claim 1, wherein the telemetry module specifically comprises: a voltage transformer connected to said transmission line; a current transformer connected to said transmission line; analog switches respectively connected to the voltage transformer and the current transformer; A/D converter connected to said analog switch. 3. The intelligent integrated power distribution terminal according to claim 1, wherein the main control module is specifically: a 32-bit industrial-grade ARM9 chip with high main frequency. 4. The intelligent integrated power distribution terminal according to claim 1, wherein the communication module is specifically configured with at least one RS232, RS485 communication serial port and at least one RJ-45 network port or at least one optical fiber communication interface. module. 5 . The intelligent integrated power distribution terminal according to claim 1 , wherein the main control module judges the fault type after detecting a software and hardware fault, and stores the fault type. 5 . 6. An intelligent integrated power distribution device, characterized in that it comprises: a first detection module, configured to detect the first signal and the second signal in the transmission line; a processing module, configured to process the first signal and the second signal; A sending module, configured to send the signal processed by the processing module to the system master station; The second detection module is used to detect whether the first control command generated by the system master station according to the processed first signal and the second control command generated by the system master station according to the processed second signal are received. control commands; An operation module, configured to perform corresponding operations according to the first control command and the second control command when the detection result of the second detection module is yes; The third detection module is used to detect whether a command for displaying information is received; A display module, configured to display the information when the detection result of the third detection module is yes.

Images