CN204030717U - For the display unit of distribution terminal - Google Patents
For the display unit of distribution terminal Download PDFInfo
- Publication number
- CN204030717U CN204030717U CN201420350818.1U CN201420350818U CN204030717U CN 204030717 U CN204030717 U CN 204030717U CN 201420350818 U CN201420350818 U CN 201420350818U CN 204030717 U CN204030717 U CN 204030717U
- Authority
- CN
- China
- Prior art keywords
- distribution terminal
- processor
- display unit
- liquid crystal
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 27
- 230000002159 abnormal effect Effects 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a kind of display unit for distribution terminal, comprising: processor, processor is as from machine, and distribution terminal is as main frame, and processor is provided with at least two communication port, and one at least two communication port for connecting distribution terminal; The output of processor connects liquid crystal control module, and liquid crystal control module connects the liquid crystal display screen for showing; Processor receives the display information from distribution terminal and sends to liquid crystal display screen to show through liquid crystal control module display information.The utility model achieves the separate design of display unit and distribution terminal, be convenient to the modularized design of display unit, and processor is provided with at least two communication port, one of them is connected with distribution terminal, the remaining auxiliary port as communicating to connect with other devices, extend the communication protocol of display unit, enhance the versatility of display unit.
Description
Technical field
The utility model relates to distribution control field, especially, relates to a kind of display unit for distribution terminal.
Background technology
The terminal installation of distribution automation system, be commonly referred to as distribution terminal, the supervisory and control of block switch, ring main unit, distribution transformer, circuit voltage regulator, reactive-load compensation capacitor on switching station in medium voltage distribution network, automatic circuit, post, with distribution automation master station communication, the data that power distribution network operation controls and administrative institute needs are provided, perform instruction distribution net equipment being carried out to regulable control that main website provides.Distribution terminal is the basic composition unit of distribution automation system, and its performance and reliability directly has influence on whole system can and plays a role.
Along with the develop rapidly of embedded technology, field bus technique and electronic technology, the feature of medium voltage distribution network System Development is mainly reflected in the digital integration of the aspects such as control, protection, detection, communication.Along with the intelligentized development of medium voltage distribution network, distribution network terminal not only has traditional controlling functions, defencive function, the collection also with on-the-spot parameter with the function such as to communicate.Terminal equipment needs, at the scene by some electric parameters, as the parameters such as electric current, voltage, power are shown by display device, also to need to control special parameter, so just propose more and more higher requirement to display control module.
Existing show tools has: LED light, charactron, liquid crystal etc.Liquid crystal can Display of Chinese characters and character easily, and display is the most directly perceived, and man-machine interface is friendly.Although the price of Liquid Crystal Module is higher, take resource more, but along with development in recent years, the advantage of LCD MODULE more and more by people cognition, liquid crystal has the advantages such as low pressure, Micro Energy Lose, information displaying amount large and life-span is long, more and more becomes the display control terminal of field intelligent device.
The liquid crystal display screen of existing distribution terminal is generally directly controlled by the CPU of distribution terminal self, like this CPU mouth line burden of the corresponding increase distribution terminal of meeting; And be not easy to the modularized design of display unit.
Utility model content
The utility model object is to provide a kind of display unit for distribution terminal, to solve poor universality that existing distribution terminal integrated displaying modular causes and the heavy technical problem of distribution terminal processing load.
For achieving the above object, the technical solution adopted in the utility model is as follows:
For a display unit for distribution terminal, display unit comprises:
Processor, processor is as from machine, and distribution terminal is as main frame, and processor is provided with at least two communication port, and one at least two communication port for connecting distribution terminal;
The output of processor connects liquid crystal control module, and liquid crystal control module connects the liquid crystal display screen for showing; Processor receives the display information from distribution terminal and sends to liquid crystal display screen to show through liquid crystal control module display information.
Further, communication port comprises: one or more in Ethernet interface, RS232 interface, RS485 interface and USB interface.
Further, communication port is provided with power supply lead wire terminal, for providing working power to processor through distribution terminal.
Further, processor is connected with the key-press input unit for inputting instruction.
Further, processor is connected with the indicator light of the operating state being used to indicate processor.
Further, indicator light comprises: the first indicator light and the second indicator light, and wherein, the first indicator light is used for lighting when processor normally works; Second indicator light is used for lighting when processor is abnormal.
Further, processor is ARM chip.
Further, liquid crystal control module adopts ST7920 driver.
The utility model has following beneficial effect:
The utility model is used for the display unit of distribution terminal, by communicating to connect as the processor from machine and the distribution terminal as main frame, achieve the display information that processor receives distribution terminal, and processor connects liquid crystal display screen to show this display information through liquid crystal control module, thus achieve the separate design of display unit and distribution terminal, be convenient to the modularized design of display unit, and substantially reduce the processing load of distribution terminal, improve display efficiency; Further, processor is provided with at least two communication port, and one of them is connected with distribution terminal, and the remaining auxiliary port as communicating to connect with other devices, extends the communication protocol of display unit, enhance the versatility of display unit.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment for the display unit of distribution terminal.
Description of reference numerals:
10, distribution terminal; 20, processor; 30, communication port; 40, liquid crystal control module; 50, liquid crystal display screen;
60, key-press input unit; 70, indicator light.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model provides a kind of display unit for distribution terminal, this display unit comprises: processor 20, processor 20 is as from machine, distribution terminal 10 is as main frame, processor 20 is provided with at least two communication port 30, and one at least two communication port 30 for connecting distribution terminal 10; The output of processor 20 connects liquid crystal control module 40, and liquid crystal control module 40 connects the liquid crystal display screen 50 for showing; Processor 20 receives the display information from distribution terminal 10 and sends to liquid crystal display screen 50 to show through liquid crystal control module 40 display information.In the present embodiment, processor 20 adopts the ARM chip with super low-power consumption, jumbo feature, self performance is strong, and general industrial standard Modbus agreement applied by processor 20, originally Modbus is MODICON company is a kind of communication protocol that its PLC produced designs, and has now become a kind of industrial communication and dcs agreement.It is a kind of communication protocol being applicable to the master/slave structure formula of Industry Control, can be used for the network monitoring realizing master/slave structure formula, becomes current industry standard.By this agreement, controller each other or controller via network (as Ethernet) can and other equipment between communicate.Modbus agreement uses master-slave communication technology, namely by main equipment active inquiry and operation from equipment.Generally the agreement that main control device side uses is called Modbus Master, Modbus Slave is called from the agreement of equipment use, in the present embodiment, distribution terminal 10 is as main frame, for the processor 20 of display and control as from machine, processor 20 receives the display information from distribution terminal 10, and sends to liquid crystal display screen 50 to show through liquid crystal control module 40 the display information of reception.Preferably, liquid crystal control module 40 adopts ST7920 driver, and the resolution of liquid crystal display screen 50 is 128 × 64, can show four lines eight Chinese characters, more preferably, liquid crystal control module 40 extends two panels ST7921 driver by ST7920 driver and controls the upper half screen of liquid crystal display screen 50 and lower half screen respectively, the data from distribution terminal 10 received store by processor 20, and convert the data conversion format of reception to binary code by SPI, be stored in register, then through calling Chinese character subprogram, the electric parameter amount that display distribution terminal 10 gathers, distribution terminal 10 is for upgrading the content of display in real time, processor 20 is for determining structure and the diagram of display, as arrow shape, table position etc., thus namely improve the operating efficiency of distribution terminal 10, facilitate again the modularized design of display unit.
In the present embodiment, processor 20 is configured with two communication port 30, and one of them is connected with distribution terminal 10, and another, as the auxiliary port communicated to connect with other devices, extends the communication protocol of display unit, enhance the versatility of display unit.Preferably, in the present embodiment, adopt RS232 interface, RS485 interface or USB interface to be connected with distribution terminal 10, another communication port 30 is Ethernet interface, and the Modbus agreement that processor 20 provides supports serial ports and Transmission Control Protocol simultaneously.More preferably; the communication port 30 be connected with distribution terminal 10 is provided with power supply lead wire terminal; for providing working power to processor 20 through distribution terminal 10; in the present embodiment; distribution terminal 10 provides 5V working power to processor 20 through serial ports (RS232 interface, RS485 interface or USB interface); and the power circuit of processor 20 self plays buffer protection function, achieve the function that display module shares the working power of distribution terminal 10.
Preferably, conveniently instruction is inputted to control display interface or amendment display parameters to processor 20, processor 20 is connected with the key-press input unit 60 for inputting instruction, preferably, key-press input unit 60 comprises: the buttons such as upper and lower, left and right, confirmation, cancellation, involution, make can arbitrarily increase and decrease when carrying out numerical operation, and when information is rolled, screen can be pinned, conveniently observe numerical value, processor 20 can also carry out upper and lower page turning through key-press input unit 60 pairs of display menus, enters sub-menus, the operation such as inquiry or amendment parameter.
Preferably, conveniently confirm whether processor 20 normally runs, and be beneficial to fix a breakdown in actual applications, processor 20 is connected with the indicator light 70 of the operating state being used to indicate processor 20.More preferably, indicator light 70 comprises: the first indicator light and the second indicator light, and wherein, the first indicator light and the second indicator light all adopt LED light, and the first indicator light is used for lighting when processor 20 normally works; Second indicator light is used for lighting when processor 20 is abnormal.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. for a display unit for distribution terminal, it is characterized in that, described display unit comprises:
Processor (20), described processor (20) conduct is from machine, described distribution terminal (10) is as main frame, described processor (20) is provided with at least two communication port (30), and one in described at least two communication port (30) for connecting described distribution terminal (10);
The output of described processor (20) connects liquid crystal control module (40), and described liquid crystal control module (40) connects the liquid crystal display screen (50) for showing; Described processor (20) receives the display information from described distribution terminal (10) and sends to described liquid crystal display screen (50) to show through described liquid crystal control module (40) described display information.
2. the display unit for distribution terminal according to claim 1, is characterized in that,
Described communication port (30) comprising: one or more in Ethernet interface, RS232 interface, RS485 interface and U5B interface.
3. the display unit for distribution terminal according to claim 2, is characterized in that,
Described communication port (30) is provided with power supply lead wire terminal, for providing working power to described processor (20) through described distribution terminal (10).
4. the display unit for distribution terminal according to claim 1, is characterized in that,
Described processor (20) is connected with the key-press input unit (60) for inputting instruction.
5. the display unit for distribution terminal according to claim 1, is characterized in that,
Described processor (20) is connected with the indicator light (70) of the operating state being used to indicate described processor (20).
6. the display unit for distribution terminal according to claim 5, is characterized in that,
Described indicator light (70) comprising: the first indicator light and the second indicator light, and wherein, described first indicator light is used for lighting when described processor (20) normally works; Described second indicator light is used for lighting when described processor (20) is abnormal.
7. the display unit for distribution terminal according to claim 1, is characterized in that,
Described processor (20) is ARM chip.
8. the display unit for distribution terminal according to claim 1, is characterized in that,
Described liquid crystal control module (40) adopts ST7920 driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350818.1U CN204030717U (en) | 2014-06-27 | 2014-06-27 | For the display unit of distribution terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350818.1U CN204030717U (en) | 2014-06-27 | 2014-06-27 | For the display unit of distribution terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030717U true CN204030717U (en) | 2014-12-17 |
Family
ID=52070544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420350818.1U Expired - Lifetime CN204030717U (en) | 2014-06-27 | 2014-06-27 | For the display unit of distribution terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030717U (en) |
-
2014
- 2014-06-27 CN CN201420350818.1U patent/CN204030717U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204716222U (en) | Control system of rig | |
| CN203455669U (en) | Embedded system-based visualization efficiency management monitoring platform for numerically-controlled machine tools | |
| CN103246258B (en) | Welding machine power supply control system adopting power line carrier networking technology | |
| CN204030717U (en) | For the display unit of distribution terminal | |
| CN205028093U (en) | Water injection remote control current stabilizer | |
| CN203588061U (en) | PLC-based automatic control system for waterworks | |
| CN201897725U (en) | Dual-microcomputer system capable of realizing communication in real time | |
| CN204658452U (en) | Opened industrial robot device | |
| CN202711045U (en) | Digital communication card of weighing controller | |
| CN203587764U (en) | Breaker monitoring device | |
| CN203338093U (en) | Dual-core control device based on bad industrial environment | |
| CN207867314U (en) | High-performance MODBUS-IO expansion modules | |
| CN105022349A (en) | Bus type numerical control apparatus with touch panel | |
| CN203178792U (en) | Control apparatus for general control bus processor | |
| CN210864397U (en) | Gate station pump station controller based on network | |
| CN201107618Y (en) | Digital type multifunctional touch controller | |
| CN215729350U (en) | Sewage control system with function requirements of sewage treatment industry | |
| CN203259847U (en) | Network control system of power supply devices | |
| CN204965140U (en) | Simple and easy controller that can be used to digit control machine tool human -computer interaction | |
| CN104102207A (en) | Device net slave station control mechanism of semiconductor automatic rubber tearing machine | |
| CN202837855U (en) | Dynamic panel | |
| CN203357456U (en) | Robot controller based on STM 32 | |
| CN202535403U (en) | Intelligent network monitoring system for high-power high-frequency switch mode power supplies | |
| CN203759484U (en) | Simplified easy-to-use type programmable logic controller | |
| CN202975787U (en) | Acquisition and control platform for Internet of Things |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |