CN202103487U - High precision intelligent monitor for switchgear - Google Patents
High precision intelligent monitor for switchgear Download PDFInfo
- Publication number
- CN202103487U CN202103487U CN2011201997387U CN201120199738U CN202103487U CN 202103487 U CN202103487 U CN 202103487U CN 2011201997387 U CN2011201997387 U CN 2011201997387U CN 201120199738 U CN201120199738 U CN 201120199738U CN 202103487 U CN202103487 U CN 202103487U
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- China
- Prior art keywords
- microprocessor
- switch cubicle
- intelligent monitor
- circuit
- interface
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- Expired - Lifetime
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- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a high precision intelligent monitor for a switchgear, comprising a microprocessor, a measuring chip having 16-bit high precision A/D converter, a humidity and temperature sensor, a photoelectric isolating circuit, a sensor, a relay circuit, an RS485 interface, a display module and a button module. A three-phase AC current voltage is converted by the sensor, processed by the measuring chip and then sent to the microprocessor, the humidity and temperature sensor is connected to the microprocessor through the photoelectric isolating circuit, and the relay circuit, the RS485 interface, the display module and the button module are connected to the microprocessor. The high precision intelligent monitor for a switchgear is capable of comprehensively measuring and controlling various operation parameters of the switchgear, the functions are complete, and the measuring precision is ensured.
Description
Technical field
The utility model relates to the monitoring device technical field, relates more specifically to a kind of high accuracy switch cubicle intelligent monitor.
Background technology
In electric power systems such as transformer station, switchyard, power distribution room; The various high and low voltage switch cabinets of all a large amount of uses; Ambient temperature, humidity in electric current when switch cubicle normally moves, voltage, the cabinet all cause bigger influence to the safe operation of switch cubicle; On-the-spot often take place that switch cubicle generates heat because of electric current is excessive or because of the moist reduction of insulate, thus accidents such as the generation switch cubicle explodes, burns, insulation breakdown.
The various pointer electric currents of the general installation of existing switch cubicle, voltage, power factor meter are used to indicate the electrical operation parameter of switch cubicle; There is the part switch cubicle that digital instrument or analog temperature and humidity controller are installed; But develop rapidly along with the Computers and Communication science and technology; The comprehensive monitoring of electromechanical integration becomes a kind of trend; Yet prior art is carried out comprehensive monitoring to the operating condition of switch cubicle and is in space state basically, and that all installs on the switch cubicle is independent various mechanical types or analog or digital voltmeter, ammeter, power factor meter, kilowatt-hour meter, temperature and humidity controller, does not integrate the various parameters of switch cubicle are monitored; Lower, the function singleness of precision can not satisfy the requirement of modern switch cubicle monitoring.
The utility model content
The purpose of the utility model is to provide a kind of high accuracy switch cubicle intelligent monitor, can carry out composite measurement and control to the various operational factors of switch cubicle, and is multiple functional, guaranteed the precision of measuring.
To achieve these goals; The utility model provides a kind of high accuracy switch cubicle intelligent monitor; Comprise: microprocessor, measured chip, Temperature Humidity Sensor, photoelectric isolating circuit, transducer, relay circuit, RS485 interface, display module and key-press module with 16 high-precision a/d converters; Three-phase alternating current voltage sends to said microprocessor after handling through said measured chip after the said transducer conversion; Said Temperature Humidity Sensor connects microprocessor through photoelectric isolating circuit, and said relay circuit, RS485 interface, display module and key-press module connect said microprocessor.
Preferably, be connected with anti-interference filtration circuit and anti-thunderbolt protection loop between said transducer and the measured chip.
Preferably, between said microprocessor and the RS485 interface and between said microprocessor and the relay circuit photoelectric isolating circuit is set all.
Preferably, said display module comprises that four of three rows and arrange high bright charactron and 14 signal lamps of eight.
Compared with prior art; The utility model high accuracy switch cubicle intelligent monitor adopts special measurement chip and the digital temperature-humidity sensor with 16 high-precision adcs; The humiture of environment in the various electric parameters of comprehensive monitoring switch cubicle and the cabinet; Realized the comprehensive monitoring to switch cubicle ruuning situation, all data that will read of microprocessor are carried out analysis-by-synthesis and processing then, and differentiate with the setting value that preserve inside; Thereby draw the practical operation situation of switch cubicle; And finally send the humiture of environment in the control order regulator cubicle, and when finding that abnormal conditions appear in switch cubicle, then in time send alarm signal, notify the operations staff to handle.Multiple functional, both guaranteed the precision of measuring, reduced equipment cost again, the formation of can also networking Automatic monitoring systems.
Through following description and combine accompanying drawing, it is more clear that the utility model will become, and these accompanying drawings are used to explain the embodiment of the utility model.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart of an embodiment of the utility model high accuracy switch cubicle intelligent monitor.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.With reference now to accompanying drawing, describe the embodiment of the utility model, the similar elements label is represented similar elements in the accompanying drawing.
The utility model provides a kind of high accuracy switch cubicle intelligent monitor; Comprise microprocessor, measured chip, Temperature Humidity Sensor, photoelectric isolating circuit, transducer, relay circuit, RS485 interface, display module and key-press module with 16 high-precision a/d converters; Three-phase alternating current voltage connects microprocessor through said measured chip after said transducer conversion; Said Temperature Humidity Sensor connects microprocessor through photoelectric isolating circuit, and said relay circuit, RS485 interface, display module and key-press module connect said microprocessor.
Concrete, below in conjunction with accompanying drawing and embodiment the present invention is done further description.
Fig. 1 is the structured flowchart of an embodiment of the utility model high accuracy switch cubicle intelligent monitor.Particularly; The utility model high accuracy switch cubicle intelligent monitor comprises microprocessor (CPU) 10; Functions such as main completion logic computing, control, communication, diagnostic analysis; All data of reading are carried out analysis-by-synthesis and processing, and differentiate, thereby draw the actual operating mode of switch cubicle with the setting value that preserve inside; And to relevant output equipment send control and alarm signal; Can also be through the communication interface correspondence with foreign country to realize remote monitoring, particularly, three-phase alternating current 11 and three-phase alternating voltage 12 are through high-precision current, voltage sensor 20 conversion; Give the special measurement chip 40 that contains 16 high-precision a/d converters behind anti-interference filtration circuit and the anti-thunderbolt protection loop 30 again; Said special measurement chip 40 with the signal of input gather, change, a series of processing such as calculating, draw the data such as effective value, three phases active power, reactive power, apparent power, frequency, power factor, active electrical degree, idle electric degree of three-phase alternating current and voltage, and the high-speed data mouth of all electric parameters after treatment through said microprocessor 10 sent to said microprocessor 10.This monitoring device is connected with external power source through AC or DC interface.
Said Temperature Humidity Sensor 50 adopts in-site collectings, processing to carry out with calculation mode, and embedding has microprocessor the serial data mouth through photoelectric isolating circuit 60a sends data to microprocessor 10 after the high accuracy humiture data to calculate in the said Temperature Humidity Sensor 50.
Therefore; Said microprocessor 10 is read the electric parameter of three-phase alternating current through the high-speed data mouth from said special measurement chip 40; And after from two-way Temperature Humidity Sensor 50, reading the humiture data through the serial data mouth of photoelectric isolating circuit 60a, all data of reading are carried out analysis-by-synthesis and processing, and differentiate with the setting value that preserve inside; Thereby draw the actual operating mode of switch cubicle; And outwards send the humiture of environment in the control order regulator cubicle through relay circuit 70, and when finding that abnormal conditions appear in switch cubicle, then in time externally send alarm signal through relay circuit 70, notify the operations staff to handle.In addition, said microprocessor 10 is also through RS485 interface 80 communication interface correspondence with foreign countries, and the standard of employing MODBUS communication protocol, all Monitoring Data and the warning message of switch cubicle is uploaded, thereby can be realized the telemonitoring to switch cubicle.Be provided with high speed optoelectronic buffer circuit 60b between said microprocessor 10 and the RS485 interface 80, and said microprocessor 10 also is provided with high speed optoelectronic buffer circuit 60c with relay circuit 70.
The utility model high accuracy switch cubicle intelligent monitor comprises the display module 91 and key-press module 92 that connects said microprocessor; Wherein said display module 91 comprises that four of three rows and arrange high bright charactron and 14 signal lamps of eight; And said key-press module 92 is a keyboard; All can be arranged on the panel of monitoring device (monitor), good man-machine interface is provided, make things convenient for the user to import setting value and the institute of demonstration in real time data monitored through charactron, signal lamp and button.
In sum; The utility model high accuracy switch cubicle intelligent monitor adopts the humiture with environment in the various electric parameters of the special measurement chip of 16 high-precision adcs and digital temperature-humidity sensor comprehensive monitoring switch cubicle and the cabinet; Realized the comprehensive monitoring to switch cubicle ruuning situation, all data that will read of microprocessor are carried out analysis-by-synthesis and processing then, and differentiate with the setting value that preserve inside; Thereby draw the practical operation situation of switch cubicle; And finally send the humiture of environment in the control order regulator cubicle, and when finding that abnormal conditions appear in switch cubicle, then in time send alarm signal, notify the operations staff to handle.Multiple functional, both guaranteed the precision of measuring, reduced equipment cost again, the formation of can also networking Automatic monitoring systems.
More than combine most preferred embodiment that the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to the essence of the utility model.
Claims (4)
1. high accuracy switch cubicle intelligent monitor; It is characterized in that comprising: microprocessor, measured chip, Temperature Humidity Sensor, photoelectric isolating circuit, transducer, relay circuit, RS485 interface, display module and key-press module with 16 high-precision a/d converters; Three-phase alternating current voltage sends to said microprocessor after handling through said measured chip after the said transducer conversion; Said Temperature Humidity Sensor connects microprocessor through photoelectric isolating circuit, and said relay circuit, RS485 interface, display module and key-press module connect said microprocessor.
2. high accuracy switch cubicle intelligent monitor as claimed in claim 1 is characterized in that, is connected with anti-interference filtration circuit and anti-thunderbolt protection loop between said transducer and the measured chip.
3. high accuracy switch cubicle intelligent monitor as claimed in claim 1 is characterized in that, between said microprocessor and the RS485 interface and between said microprocessor and the relay circuit photoelectric isolating circuit is set all.
4. high accuracy switch cubicle intelligent monitor as claimed in claim 1 is characterized in that, said display module comprises that four of three rows and arrange high bright charactron and 14 signal lamps of eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201997387U CN202103487U (en) | 2011-06-14 | 2011-06-14 | High precision intelligent monitor for switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201997387U CN202103487U (en) | 2011-06-14 | 2011-06-14 | High precision intelligent monitor for switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103487U true CN202103487U (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201997387U Expired - Lifetime CN202103487U (en) | 2011-06-14 | 2011-06-14 | High precision intelligent monitor for switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142648A (en) * | 2014-08-21 | 2014-11-12 | 中铁第一勘察设计院集团有限公司 | Management and control terminal of urban rail traffic low-voltage power distribution system |
-
2011
- 2011-06-14 CN CN2011201997387U patent/CN202103487U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142648A (en) * | 2014-08-21 | 2014-11-12 | 中铁第一勘察设计院集团有限公司 | Management and control terminal of urban rail traffic low-voltage power distribution system |
| CN104142648B (en) * | 2014-08-21 | 2017-07-04 | 中铁第一勘察设计院集团有限公司 | Urban track traffic low-voltage distribution system control terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |