CN202435136U - Intelligent integrated power distribution terminal - Google Patents

Abstract

The utility model discloses an intelligent integrated power distribution terminal, wherein: the intelligent integrated power distribution terminal comprises: a telemetry module, a remote signaling module, a communication module, a remote control module, a power supply and a display. The embodiment of the utility model cleverly combines the remote signaling module, the telemetry module, the main control module, the communication module, the remote control module, the power supply and the display, and through the mutual communication between each module, the DTU and the 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.

Description

Intelligent integrated power distribution terminal

technical field

The utility model relates to the technical field of electric power, and more specifically relates to an intelligent integrated power distribution terminal. the

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

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. the

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. the

Utility model content

In view of this, the utility model provides an intelligent integrated power distribution terminal to overcome the problem of waste of resources in the prior art due to common components between the display interactive terminal and the DTU. the

In order to achieve the above object, the utility model provides the following technical solutions:

An intelligent integrated power distribution terminal, including:

A telemetry module connected to the transmission line to collect 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 connected to the remote signaling module and the telemetry module respectively, 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, after receiving a command to view the information of a certain module connected to the main control module, displaying the information of the module according to the information stored in the main control module, a display. the

Wherein, the telemetry module specifically includes:

A voltage transformer connected to said transmission line;

A current transformer connected to said transmission line;

An analog switch connected to the voltage transformer and the current transformer respectively;

A/D converter connected to said analog switch. the

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

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

Preferably, it is characterized in that, after detecting a software and hardware failure, the main control module judges the type of the failure and instructs the display to display it. the

Preferably, it is characterized in that, after the main control module detects a software and hardware failure, it judges the failure type and stores the failure type. the

It can be known from the above technical solutions that the embodiment of the utility model cleverly combines the remote signaling module, telemetry module, main control module, communication module, remote control module, power supply and display, and through the mutual communication between the modules, it can The functions that can only be completed by combining the DTU and the display interactive terminal in the prior art are completed, thereby achieving the effect of energy saving. the

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 accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work. the

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

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work, all belong to the protection scope of the present invention. the

Please refer to accompanying drawing 1, which discloses a schematic structural diagram of an intelligent integrated power distribution terminal according to an embodiment of the present utility model. The intelligent integrated power distribution terminal may include: a telemetry module 101, a remote signaling module 102, and 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. the

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 passes through the current transformer to convert 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. the

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

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. the

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

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

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

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

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

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

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

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. the

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

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

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. the

In the embodiment of the utility model, by skillfully 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 in the prior art can be completed. The function can only be completed by combining with the display interactive terminal, so as to achieve the effect of energy saving. the

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. 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 these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein. the

Claims (4)

1. an intelligent integral distribution terminal is characterized in that, comprising:

Link to each other with power transmission line, gather the telemetry module of first signal on the said power transmission line;

Link to each other with said power transmission line, gather the secondary signal on the said power transmission line, and, after receive second control command corresponding, carry out corresponding operating, remote signal module with said secondary signal;

Link to each other with said remote signal module and said telemetry module respectively, after receiving said first signal and said secondary signal, said first signal and secondary signal are handled main control module;

Link to each other with main website of system and said main control module respectively; Said first signal after receive handling and handle after said secondary signal, receive said second control command that first control command that main website of said system produces according to said first signal after handling and main website of said system produce according to the said secondary signal after handling; And said first control command and said second control command be sent to said master control module, communication module;

Link to each other with said main control module, according to said first control command that receives, carry out corresponding control operation, remote control module;

Link to each other with said main control module, the 3rd information is sent to said main control module, and carry out corresponding operating, power supply according to the 3rd control command of said the 3rd information generating according to said main control module; Said the 3rd information comprises: discharge management, low pressure warning, under-voltage protection, all fill/floating charge control, activation and under-voltage excision information;

Link to each other with said main control module, after the order that receives the information of checking certain module that is connected with said main control module, show the information of said module, display according to said main control module canned data.

2. according to the said intelligent integral distribution terminal of claim 1, it is characterized in that said telemetry module specifically comprises:

The voltage transformer that links to each other with said power transmission line;

The current transformer that links to each other with said power transmission line;

The analog switch that links to each other with said voltage transformer and said current transformer respectively;

The A/D converter that links to each other with said analog switch.

3. according to the said intelligent integral distribution terminal of claim 1, it is characterized in that said main control module is specially: 32 high primary frequency technical grade ARM9 chips.

4. according to the said intelligent integral distribution terminal of claim 1, it is characterized in that said communication module is specially the communication module that disposes at least one RS232, RS485 communication serial ports, the RJ-45 network port or optical fiber communication interface.