CN203166625U - Wireless monitoring system of power switch cabinet - Google Patents
Wireless monitoring system of power switch cabinet Download PDFInfo
- Publication number
- CN203166625U CN203166625U CN2012206950771U CN201220695077U CN203166625U CN 203166625 U CN203166625 U CN 203166625U CN 2012206950771 U CN2012206950771 U CN 2012206950771U CN 201220695077 U CN201220695077 U CN 201220695077U CN 203166625 U CN203166625 U CN 203166625U
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- module
- switch cabinet
- zigbee
- power switch
- monitor system
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model discloses a wireless monitoring system of a power switch cabinet. The wireless monitoring system comprises a PC machine, a host node and child nodes. The PC machine is connected with the host node through RS 232. The host node is connected with the child nodes through a wireless network. By using the above technical scheme, real-time on-line monitoring can be performed on data of a temperature, a humidity, a current, a voltage and the like in the power switch cabinet and remote transmission can be performed too. Simultaneously, fault alarm and processing are performed. A need of power switch cabinet monitoring is effectively satisfied. A stable operation of the power switch cabinet is guaranteed. The structure is simple. The operation and maintenance are convenient. An automation level is high. A usage cost is low. Measurement precision is high and performance is excellent.
Description
Technical field
The utility model belongs to the technical field of power equipment, relates to the monitoring technology of switchgear, and more particularly, the utility model relates to a kind of power switch cabinet wireless monitor system.
Background technology
Current society is high to the dependence of electric energy, and the situation is tense for electricity supply and demand, and the safe operation of electric power system is related to the stable of development and national economy and people's lives.Power switch cabinet is as electric equipment important in the electric power system, undertaking to close the double action of closing and disconnect power circuit, protection system safety, and the safe and reliable operation of electric power system is played critical role.
Yet switch cubicle owing to multiple reason causes the switch cubicle faults itself, normally moves thereby influence electric power system in the long-time running process, even threatens the people's lives and property safety.Therefore, in order to guarantee power supply continuity and the people's lives and property safety, need carry out status monitoring to power switch cabinet, guarantee the reliable and stable operation of electric power system.
At present, China also comes with some shortcomings on the power switch cabinet status monitoring, carries out the unattended mode of " blindly " mostly, and only the mode that initiatively reflects by regular visit, maintenance or failed subs criber is concentrated monitoring to operating equipment.This mode not only operating efficiency is low, and tends to because monitoring is untimely phenomenon of the failure be happened occasionally.
And the monitoring product that is used for power switch cabinet is on the market mostly finished based on infrared and test optical fiber, yet infrared, optical fiber is higher to installation requirement, exist the wiring difficulty big, measure inaccurate, the shortcoming of poor anti jamming capability; There is potential safety hazard in portioned product from the bus power taking simultaneously.
The utility model content
The utility model provides a kind of power switch cabinet wireless monitor system, its objective is power switch cabinet is carried out the real-time online remote monitoring.
To achieve these goals, the technical scheme taked of the utility model is:
Power switch cabinet wireless monitor system provided by the utility model comprises PC, host node and child node; Described PC links to each other with described host node by RS232, and described host node links to each other with described child node by wireless network.
Described host node comprises ZigBee and RS232 converting unit and ZigBee Transmit-Receive Unit, and described ZigBee links to each other with the ZigBee Transmit-Receive Unit of host node with the RS232 converting unit; Described child node comprises ZigBee Transmit-Receive Unit and measurement and control unit, and the ZigBee Transmit-Receive Unit of described child node links to each other with measurement and control unit.
Described ZigBee and RS232 converting unit adopt the single supply level transferring chip MAX232 that aims at the design of rs-232 standard serial ports.
Described ZigBee Transmit-Receive Unit comprises ZigBee module and power amplifier module, and described ZigBee module links to each other with described power amplifier module.
It is that the second generation that 2.4GHz ISM frequency band is released is supported integrated chip CC2530 on the sheet of ZigBee/IEEE802.15.4 agreement that described ZigBee module adopts TI company; Described power amplifier module adopts the front end of Rfaxis company to increase power output chip RFX2401.
Described measurement and control unit comprises CPU module, temperature and humidity measurement module, current-voltage measurement module, button display module, sound and light alarm module and power module; Described CPU module links to each other with power module with described temperature and humidity measurement module, current-voltage measurement module, button display module, sound and light alarm module respectively.
Described CPU module adopts low-power consumption monolithic embedded controller STC12C5A60S2.
Described temperature and humidity measurement module adopts humidity of new generation and temperature sensor SHT21.
Described current-voltage measurement module adopts high accuracy three-phase electrical energy computation chip ADE7758.
The key foundation class libraries MFC exploitation of Microsoft Visual C++ 6.0, Microsoft Visual C++ is used in the monitoring software exploitation of described PC, and it comprises real time data and historical data demonstration, visual network topological diagram, data output, report printing, fault pre-alarming and warning function.
Described PC can carry out fusion treatment to the information data of a plurality of power switch cabinets, has the early prediction of fault and troubleshooting capability fast, and can accumulate service data is that equipment state overhauling is for referencial use.
Described ZigBee Transmit-Receive Unit is equipped with the RF front end, can make wireless transmission distance be increased to 1400 meters by 100 meters.
The utility model adopts technique scheme, compared with prior art have the following advantages: system can be to number real time on-line monitoring and remote transmission such as the temperature in the power switch cabinet, humidity, electric current, voltages, simultaneously can carry out fault alarm and processing, satisfy the needs of power switch cabinet monitoring effectively, guaranteed the stable operation of power switch cabinet; Use unified integrated interface, can carry out fusion treatment to multiline message, for the accumulation service data is that equipment state overhauling is for referencial use; Adopt the RF front-end chip, make wireless transmission distance be increased to 1400 meters by 100 meters, satisfied application requirements; Adopt radio network technique, need not field wiring, simple in structure, operation and maintenance is convenient, the automatization level height, and use cost is low, certainty of measurement height, superior performance.
Description of drawings
Below the expressed content of each width of cloth accompanying drawing of this specification is made brief description:
Fig. 1 is system configuration schematic diagram of the present utility model;
Fig. 2 is the system host node structural representation among Fig. 1;
Fig. 3 is the system minor node structural representation among Fig. 1;
Fig. 4 is ZigBee and RS232 conversion unit circuit schematic diagram among Fig. 2;
Fig. 5 .1 and Fig. 5 .2 are ZigBee Transmit-Receive Unit circuit diagram among Fig. 2, wherein:
Fig. 5 .1 is U3(RFX2401 in the ZigBee Transmit-Receive Unit) circuit diagram;
Fig. 5 .2 is U2(CC2531 in the ZigBee Transmit-Receive Unit) circuit diagram;
Fig. 6 .1 to Fig. 6 .3 is measurement and control unit major part circuit diagram among Fig. 3, wherein:
Fig. 6 .1 is U4(STC12C5A60S2 in the measurement and control unit) circuit diagram;
Fig. 6 .2 is U5(SHT21 in the measurement and control unit) circuit diagram;
Fig. 6 .3 is U6(ADE7758 in the measurement and control unit) circuit diagram.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail, to help those skilled in the art inventive concept of the present utility model, technical scheme are had more complete, accurate and deep understanding.
Structure of the present utility model shown in Fig. 1 to Fig. 6 .3 is a kind of power switch cabinet wireless monitor system.
In order to solve the problem that prior art exists and to overcome its defective, realize goal of the invention that power switch cabinet is carried out the real-time online remote monitoring, the technical scheme that the utility model is taked is:
As shown in Figure 1, power switch cabinet wireless monitor system provided by the utility model comprises PC, host node and child node; Described PC links to each other with described host node by RS232, and described host node links to each other with described child node by wireless network.
Described host node comprises ZigBee and RS232 converting unit and ZigBee Transmit-Receive Unit, and described ZigBee links to each other with the ZigBee Transmit-Receive Unit of host node with the RS232 converting unit; Described child node comprises ZigBee Transmit-Receive Unit and measurement and control unit, and the ZigBee Transmit-Receive Unit of described child node links to each other with measurement and control unit.
The deficiency that the utility model is that certainty of measurement in the existing power switch cabinet monitoring is low in order to overcome, poor anti jamming capability, efficient are low etc., power switch cabinet wireless monitor system that can the real-time online remote monitoring.
Described PC mainly is to analyze and handle by the data that described host node transmission comes monitoring described child node as the user monitoring center, links to each other by RS232 with described host node; Described host node uses as central station in system, mainly is the transfer of data that realizes between described PC and the described child node, links to each other by wireless transport module with described child node; Described child node is used as the base station in system, mainly finishes the task of monitoring and collection and the control of data.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, can carry out fault alarm and processing simultaneously to number real time on-line monitoring and remote transmission such as the temperature in the power switch cabinet, humidity, electric current, voltages, satisfy the needs of power switch cabinet monitoring effectively, guarantee the stable operation of power switch cabinet.
2, use unified integrated interface, can carry out fusion treatment to multiline message, for the accumulation service data is that equipment state overhauling is for referencial use.
3, adopt the RF front-end chip, make wireless transmission distance be increased to 1400 meters by 100 meters, satisfied application requirements.
4, adopt radio network technique, need not field wiring, simple in structure, operation and maintenance is convenient, the automatization level height, and use cost is low, certainty of measurement height, superior performance.
Described ZigBee and RS232 converting unit adopt chip U1, are the single supply level transferring chip MAX232 that aims at the design of rs-232 standard serial ports.Be that ZigBee and RS232 converting unit adopt MAXIM company to aim at the single supply level transferring chip MAX232 of rs-232 standard serial ports design in the host node.
The ZigBee Transmit-Receive Unit of described host node and child node includes ZigBee module and power amplifier module, and described ZigBee module links to each other with described power amplifier module.
Described ZigBee module adopts chip U2, is that TI company is that the second generation that 2.4GHz ISM frequency band is released is supported integrated chip CC2530 on the sheet of ZigBee/IEEE802.15.4 agreement;
Described power amplifier module adopts chip U3, is that the front end of Rfaxis company increases power output chip RFX2401.
Described measurement and control unit comprises CPU module, temperature and humidity measurement module, current-voltage measurement module, button display module, sound and light alarm module and power module; Described CPU module links to each other with power module with described temperature and humidity measurement module, current-voltage measurement module, button display module, sound and light alarm module respectively.
Described CPU module adopts chip U4, is low-power consumption monolithic embedded controller STC12C5A60S2.The low-power consumption monolithic embedded controller STC12C5A60S2 that described CPU module adopts macrocrystalline scientific ﹠ technical corporation to release;
Described temperature and humidity measurement module adopts chip U5, is humidity of new generation and temperature sensor SHT21.Described temperature and humidity measurement module adopts humidity of new generation and the temperature sensor SHT21 of Sensirion company;
Described current-voltage measurement module adopts chip U6, is high accuracy three-phase electrical energy computation chip ADE7758.Described current-voltage measurement module adopts the high accuracy three-phase electrical energy computation chip ADE7758 of ADI company.
The key foundation class libraries MFC exploitation of Microsoft Visual C++ 6.0, Microsoft Visual C++ is used in the monitoring software exploitation of described PC, and it comprises real time data and historical data demonstration, visual network topological diagram, data output, report printing, fault pre-alarming and warning function.Thereby can realize that the real-time online demonstration of power switch cabinet information data and fault in time handle diagnosis.
Described PC can carry out fusion treatment to the information data of a plurality of power switch cabinets, has the early prediction of fault and troubleshooting capability fast, and can accumulate service data is that equipment state overhauling is for referencial use.
Described ZigBee Transmit-Receive Unit is equipped with the RF front end, can make wireless transmission distance be increased to 1400 meters by 100 meters, has satisfied application requirements.
Principle Analysis of the present utility model:
Be illustrated in figure 2 as the utility model host node structural representation, described host node comprises ZigBee and RS232 converting unit and ZigBee Transmit-Receive Unit, described ZigBee links to each other with the ZigBee Transmit-Receive Unit with the RS232 converting unit, described host node can be transferred to the metrical information that described child node is come by wireless network transmissions described PC, simultaneously the control command of described PC can be sent to described child node by wireless transmission again, thereby realize the exchanges data of control end and monitoring side in the electronic switch cabinet monitoring system.
Be illustrated in figure 3 as the utility model child node structural representation, described child node comprises ZigBee Transmit-Receive Unit and measurement and control unit, described ZigBee Transmit-Receive Unit links to each other with measurement and control unit, described child node can be to the real-time measurement of the information of power switch cabinet, simultaneously data message can be transferred to Surveillance center by wireless remote in time makes a strategic decision, the control command that can receive Surveillance center is rapidly controlled equipment again, thereby realizes the scientific telemanagement of power switch cabinet.
Be the analysis to U1～U6 below:
Described ZigBee and RS232 converting unit adopt chip U1, its model aims at the single supply level transferring chip MAX232 of rs-232 standard serial ports design for MAXIM company, its major function is that Transistor-Transistor Logic level and RS232 serial ports level are changed, realization has the radio communication of PC and the ZigBee of serial ports, and typical circuit connects as shown in Figure 4.
Described ZigBee Transmit-Receive Unit comprises ZigBee module and power amplifier module, and described ZigBee module links to each other with described power amplifier module.
Described ZigBee module adopts chip U2, and its model is that TI company is at integrated chip CC2530 on the sheet of the second generation support ZigBee/IEEE802.15.4 agreement of 2.4GHz ISM frequency band release.The function that described ZigBee module realizes is to link to each other with measurement and control unit by the I/O mouth, control RF finishes data transmit-receive, realize communicating by letter with PC by the RS232 interface, wherein the integrated 51 single-chip microcomputer kernels of CC2530 chip internal and high-performance radio-frequency transceiver are to design crystal oscillating circuit and clock circuit etc. simultaneously in order to satisfy the demand.
Described power amplifier module adopts chip U3, its model is that the front end of Rfaxis company increases power output chip RFX2401, mainly be in order to strengthen transmitting power, increase transmission range, chip internal is integrated power amplifier, low noise amplifier, transmission and receiving key circuit, relevant match circuit and harmonic filter etc. can be realized high-power output by few external module.
The typical circuit of described ZigBee Transmit-Receive Unit connects shown in Fig. 5 .1, Fig. 5 .2.
Described CPU module adopts chip U4, the low-power consumption monolithic embedded controller STC12C5A60S2 that its model is released for macrocrystalline scientific ﹠ technical corporation, mainly finishing functions such as data information acquisition control processing and demonstration, is a complete compatible 8051 series monolithics, and speed is fast, low in energy consumption, powerful.
Described temperature and humidity measurement module adopts chip U5, its model is humidity of new generation and the temperature sensor SHT21 of Sensirion company, as a kind of transducer of calibrating digital signal output that contains, adopt energy saver mode, only 2 I/O mouth lines of need can be finished the information transmission in CPU.
Described current-voltage measurement module adopts chip U6, the high accuracy three-phase electrical energy computation chip ADE7758 of its model ADI company, integrated 6 tunnel 16 circuit such as second order sigma-delta ADC analog to digital converter, digital integrator, High Performance DSP, reference circuit and temperature sensor, and the Signal Processing Element that all are gained merit, idle and apparent electric energy metrical and the effective value First Astronautic Research Institute for Measurement and Test need, can provide meritorious, idle and data such as apparent electric energy, voltage, current effective value and waveform sampling, peripheral circuit simply only comprises circuit such as power supply, crystal oscillator, ground connection.
Described measurement and control unit major part circuit connects shown in Fig. 6 .1～Fig. 6 .3.
By above analysis as can be seen, of the present utility model simple in structure, easy to use, superior performance can satisfy the needs of power switch cabinet wireless monitor system fully.By the utilization of this example, effectively guaranteed the stable operation of power switch cabinet.
By reference to the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all within protection range of the present utility model.
Claims (9)
1. power switch cabinet wireless monitor system, it is characterized in that: described wireless monitor system comprises PC, host node and child node; Described PC links to each other with described host node by RS232, and described host node links to each other with described child node by wireless network.
2. according to the described power switch cabinet wireless monitor system of claim 1, it is characterized in that: described host node comprises ZigBee and RS232 converting unit and ZigBee Transmit-Receive Unit, and described ZigBee links to each other with the ZigBee Transmit-Receive Unit of host node with the RS232 converting unit; Described child node comprises ZigBee Transmit-Receive Unit and measurement and control unit, and the ZigBee Transmit-Receive Unit of described child node links to each other with measurement and control unit.
3. according to the described power switch cabinet wireless monitor system of claim 2, it is characterized in that: described ZigBee and RS232 converting unit adopt the single supply level transferring chip MAX232 that aims at the design of rs-232 standard serial ports.
4. according to the described power switch cabinet wireless monitor system of claim 2, it is characterized in that: described ZigBee Transmit-Receive Unit comprises ZigBee module and power amplifier module, and described ZigBee module links to each other with described power amplifier module.
5. according to the described power switch cabinet wireless monitor system of claim 4, it is characterized in that:
Described ZigBee module is adopted as the second generation that 2.4GHz ISM frequency band releases and supports integrated chip CC2530 on the sheet of ZigBee/IEEE802.15.4 agreement; Described power amplifier module adopts front end to increase power output chip RFX2401.
6. according to the described power switch cabinet wireless monitor system of claim 2, it is characterized in that: described measurement and control unit comprises CPU module, temperature and humidity measurement module, current-voltage measurement module, button display module, sound and light alarm module and power module; Described CPU module links to each other with power module with described temperature and humidity measurement module, current-voltage measurement module, button display module, sound and light alarm module respectively.
7. according to the described power switch cabinet wireless monitor system of claim 6, it is characterized in that: described CPU module adopts low-power consumption monolithic embedded controller STC12C5A60S2.
8. according to the described power switch cabinet wireless monitor system of claim 6, it is characterized in that: described temperature and humidity measurement module adopts humidity of new generation and temperature sensor SHT21.
9. according to the described power switch cabinet wireless monitor system of claim 6, it is characterized in that: described current-voltage measurement module adopts high accuracy three-phase electrical energy computation chip ADE7758.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206950771U CN203166625U (en) | 2012-12-15 | 2012-12-15 | Wireless monitoring system of power switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206950771U CN203166625U (en) | 2012-12-15 | 2012-12-15 | Wireless monitoring system of power switch cabinet |
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| CN203166625U true CN203166625U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206950771U Expired - Fee Related CN203166625U (en) | 2012-12-15 | 2012-12-15 | Wireless monitoring system of power switch cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063906A (en) * | 2012-12-15 | 2013-04-24 | 安徽工程大学 | Electric power switch cabinet wireless monitoring system |
| CN112564287A (en) * | 2020-12-12 | 2021-03-26 | 国网新源控股有限公司回龙分公司 | Simple system for monitoring running state of power equipment |
-
2012
- 2012-12-15 CN CN2012206950771U patent/CN203166625U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063906A (en) * | 2012-12-15 | 2013-04-24 | 安徽工程大学 | Electric power switch cabinet wireless monitoring system |
| CN112564287A (en) * | 2020-12-12 | 2021-03-26 | 国网新源控股有限公司回龙分公司 | Simple system for monitoring running state of power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |