CN104833833A - Portable power grid voltage monitoring device based on MSP430 - Google Patents
Portable power grid voltage monitoring device based on MSP430 Download PDFInfo
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- CN104833833A CN104833833A CN201410047208.9A CN201410047208A CN104833833A CN 104833833 A CN104833833 A CN 104833833A CN 201410047208 A CN201410047208 A CN 201410047208A CN 104833833 A CN104833833 A CN 104833833A
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- communication port
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Abstract
The invention belongs to the technical field of electricity monitoring, and particularly relates to a portable power grid voltage monitoring device based on MSP430. The device comprises a housing, a circuit board, a display screen, a turn button, a RUN button, a STOP button, and a communication port, wherein the circuit board is sealed in the housing; and the display screen, the turn button, the RUN button, the STOP button, and the communication port are integrated outside the housing. The device can select the power grid voltage, displays power grid voltage information on the display screen, and shares the power grid voltage information with other devices through the communication port. The communication port integrates three communication ways of RS232, RS422, and RS485, wherein any way of the three communication ways can be selected by using the turn button to realize communication with factory equipment and sharing of the power grid voltage information.
Description
Technical field
The invention belongs to electric power monitoring technical field, particularly a kind of portable electrical network voltage monitoring equipment based on MSP430.
Background technology
The fluctuation of line voltage, can affect the quality of factory products, when line voltage produces fault, needs equipment automatically to depart from from electrical network, to protect the equipment of ten million yuan easily.So most of shop equipment all needs to monitor line voltage, according to the situation of line voltage, to make and the most reasonably operating, ensure quality and the equipment itself of product.All be integrated with voltage monitoring module in the shop equipment of now, there are following two shortcomings: (1) each equipment is all integrated with voltage monitoring module, causes the increase of purchase cost; In fact each workshop, is only needed a monitoring equipment just can make line voltage and monitors accurately, shared by information of voltage by PORT COM with other equipment; (2) communication modes that voltage monitoring equipment adopts may be incompatible with the communication network of factory, and this just needs to increase extra bridge hardware configuration.
Summary of the invention
The object of the invention is to solve the defect that the integrated voltage monitoring modular of above-mentioned shop equipment brings, propose the portable electrical network voltage monitor based on MSP430.This device is made up of housing, circuit board, display screen, knob, RUN button, STOP button and communication port.The line voltage of circuit board Gather and input, shows on a display screen by line voltage information, and shares line voltage information by communication port with other equipment.
Described circuit board, display screen, revolve button, RUN button, STOP button, communication port by packaging shell.
Described circuit board is made up of microcontroller, voltage sample module, RS232 module, RS422 module, RS485 module.
Described communication port is integrated with RS232, RS422, RS485 tri-kinds of communication modes.
By the knob on housing, user can one in choice for use RS232, RS422, RS485 tri-kinds of communication modes.
The invention has the beneficial effects as follows:
By housing, circuit board, display screen, knob, RUN button, STOP button and communication port are encapsulated, easy and simple to handle, easy to carry.
Display line voltage information that can be real-time on a display screen.
Communication port integrated RS232, RS422, RS485 tri-kinds of communication modes, according to the concrete condition in workshop, can select wherein any one mode and shop equipment share voltage information; So just can use a voltage monitoring equipment in a workshop, the information of voltage obtained is shared by all devices in communication port and workshop, need not the every all integrated voltage monitoring modular of platform equipment.
Accompanying drawing illustrates:
Fig. 1 is the one-piece construction figure of described device;
Fig. 2 is the board structure of circuit figure of described device;
Fig. 3 is the inner schematic diagram of knob of described device;
Fig. 4 is the communication port wiring diagram of described device.
Number in the figure:
1-housing; 2-display screen; 3-knob; 4-RUN button; 5-STOP button; 6-communication port; 7-circuit board; 8-voltage sample module; 9-microcontroller; 10-RS232 module; 11-RS422 module; 12-RS485 module.
Embodiment:
Composition graphs 1, this device is made up of housing 1, display screen 2, knob 3, RUN button 4, STOP button 5, communication port 6, circuit board 7; Circuit board 7, display screen 2, knob 3, RUN button 4, STOP button 5 and communication port 6 are encapsulated by housing 1; Press RUN button 4, device starts, and carries out line voltage sampling, and the information of line voltage is shown on a display screen; When communication port 6 is connected with the communication port of other equipment, user can select communication modes by rotating knob 3, and device is according to selected communication modes and other collaborative share information of voltage; Press STOP button 5, device is out of service.
Composition graphs 2, illustrates the structure of circuit board.Circuit board 7 is made up of microcontroller 9, voltage sample module 8, RS232 module 10, RS422 module 11, RS485 module 12; Microcontroller 9 is also connected with display screen 2; What microcontroller 9 adopted is MSP430f149 type single-chip microcomputer; When plant running, voltage sample module 8 sends mains voltage signal to microcontroller 9 after conversion; Microcontroller 9 controls the information that display screen 2 shows line voltage; After user has carried out selection to communication modes, microcontroller 9 can control corresponding communication module (namely in RS232 module 10, RS422 module 11, RS485 module 12) and carry out communication with other equipment.
Composition graphs 1 and Fig. 3, illustrate that the principle of communication modes selected by knob.Three gears on knob 3 are " RS232 " shelves, " RS422 " shelves, " RS485 " shelves respectively; When " RS232 " shelves got to by knob, the P1.0 pin of microcontroller can be made to be connected with+3.3V; When " RS422 " shelves got to by knob, the P1.1 pin of microcontroller can be made to be connected with+3.3V; When " RS485 " shelves got to by knob, the P1.2 pin of microcontroller can be made to be connected with+3.3V.What adopt due to this device is knob structure, so above three kinds of situations can not occur simultaneously.Microcontroller 9 by detecting P1.0 pin, whether P1.1 pin, P1.2 pin be high level, what judge that user selects is any communication modes.
Composition graphs 4, illustrates the wiring diagram of communication port.What communication port 6 adopted is DB9 interface; RS232 communication adopts three-wire system, thus RS232 module 10 have GND, RXD, TXD totally three lines draw, and to be connected with the 5th pin N5, the 3rd pin N3 of communication port 6, the 2nd pin N2 respectively; RS422 communication adopts four-wire system, thus RS422 module 11 have RX+, RX-, TX+, TX-totally four lines extract, and to be connected with the 1st pin N1, the 6th pin N6 of communication port 6, the 8th pin N8, the 4th pin N4 respectively; RS485 communication adopts two-wire system, so RS485 module 12 has RX, TX two lines to draw, and is connected with the 1st pin N1, the 6th pin N6 of communication port 8 respectively.
Claims (4)
1. based on the portable electrical network voltage monitor of MSP430, it is characterized in that, be made up of housing (1), display screen (2), knob (3), RUN button (4), STOP button (5), communication port (6), circuit board (7); Circuit board (7), display screen (2), knob (3), RUN button (4), STOP button (5), communication port (6) are encapsulated by housing (1); It is inner that circuit board (7) is packaged in housing (1); It is outside that display screen (2), knob (3), RUN button (4), STOP button (5), communication port (6) are integrated in housing (1).
2. the portable electrical network voltage monitor based on MSP430 according to claim 1, it is characterized in that, circuit board (7) is made up of microcontroller (9), voltage sample module (8), RS232 module (10), RS422 module (11), RS485 module (12).
3. the line voltage monitoring equipment based on MSP430 according to claim 1, is characterized in that, communication port (6) is integrated with RS232, RS422, RS485 tri-kinds of communication modes.
4. the line voltage monitoring equipment based on MSP430 according to claim 1, is characterized in that, by the knob (3) on housing (1), user can one in choice for use RS232, RS422, RS485 tri-kinds of communication modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047208.9A CN104833833A (en) | 2014-02-11 | 2014-02-11 | Portable power grid voltage monitoring device based on MSP430 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047208.9A CN104833833A (en) | 2014-02-11 | 2014-02-11 | Portable power grid voltage monitoring device based on MSP430 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104833833A true CN104833833A (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410047208.9A Pending CN104833833A (en) | 2014-02-11 | 2014-02-11 | Portable power grid voltage monitoring device based on MSP430 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104833833A (en) |
Citations (10)
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| CN101514999A (en) * | 2008-12-15 | 2009-08-26 | 安徽鑫龙电器股份有限公司 | Electric power measurement multifunctional instrument system and method for measurement |
| CN201518049U (en) * | 2009-08-06 | 2010-06-30 | 南京华瑞杰自动化设备有限公司 | Distribution transformer monitoring metering terminal |
| CN201576047U (en) * | 2009-08-14 | 2010-09-08 | 南京华瑞杰自动化设备有限公司 | Statistical voltage monitoring instrument |
| CN202093088U (en) * | 2011-06-13 | 2011-12-28 | 北京易投嘉德投资咨询有限公司 | Electrical parameter measuring device |
| CN202102060U (en) * | 2011-05-19 | 2012-01-04 | 兰州海红通信设备有限责任公司 | Direct current distribution intelligent detection unit |
| CN202583296U (en) * | 2012-03-23 | 2012-12-05 | 辽宁省电力有限公司锦州供电公司 | Voltage monitor |
| CN103235171A (en) * | 2013-04-22 | 2013-08-07 | 镇江泰利丰电子有限公司 | Voltage monitoring instrument with safety encryption chip |
| CN203225775U (en) * | 2013-03-15 | 2013-10-02 | 南京易司拓电力科技股份有限公司 | A voltage detecting apparatus |
| CN203396869U (en) * | 2013-08-14 | 2014-01-15 | 成都飞亚航空设备应用研究所有限公司 | Integrated test equipment |
-
2014
- 2014-02-11 CN CN201410047208.9A patent/CN104833833A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798103Y (en) * | 2005-05-31 | 2006-07-19 | 佟为明 | Network intelligent electric energy quantity monitor |
| CN101514999A (en) * | 2008-12-15 | 2009-08-26 | 安徽鑫龙电器股份有限公司 | Electric power measurement multifunctional instrument system and method for measurement |
| CN201518049U (en) * | 2009-08-06 | 2010-06-30 | 南京华瑞杰自动化设备有限公司 | Distribution transformer monitoring metering terminal |
| CN201576047U (en) * | 2009-08-14 | 2010-09-08 | 南京华瑞杰自动化设备有限公司 | Statistical voltage monitoring instrument |
| CN202102060U (en) * | 2011-05-19 | 2012-01-04 | 兰州海红通信设备有限责任公司 | Direct current distribution intelligent detection unit |
| CN202093088U (en) * | 2011-06-13 | 2011-12-28 | 北京易投嘉德投资咨询有限公司 | Electrical parameter measuring device |
| CN202583296U (en) * | 2012-03-23 | 2012-12-05 | 辽宁省电力有限公司锦州供电公司 | Voltage monitor |
| CN203225775U (en) * | 2013-03-15 | 2013-10-02 | 南京易司拓电力科技股份有限公司 | A voltage detecting apparatus |
| CN103235171A (en) * | 2013-04-22 | 2013-08-07 | 镇江泰利丰电子有限公司 | Voltage monitoring instrument with safety encryption chip |
| CN203396869U (en) * | 2013-08-14 | 2014-01-15 | 成都飞亚航空设备应用研究所有限公司 | Integrated test equipment |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150812 |
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| WD01 | Invention patent application deemed withdrawn after publication |