CN203148469U - Monitoring device for switch cabinet environment parameters based on ZigBee network - Google Patents
Monitoring device for switch cabinet environment parameters based on ZigBee network Download PDFInfo
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- CN203148469U CN203148469U CN 201320147244 CN201320147244U CN203148469U CN 203148469 U CN203148469 U CN 203148469U CN 201320147244 CN201320147244 CN 201320147244 CN 201320147244 U CN201320147244 U CN 201320147244U CN 203148469 U CN203148469 U CN 203148469U
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- zigbee
- switch cubicle
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- ambient condition
- arm processor
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Abstract
The utility model discloses a monitoring device for switch cabinet environment parameters based on ZigBee network, which comprises a plurality of sensors, a multi-core cable, a monitoring terminal, ZigBee wireless network, a first ZigBee chip and a computer. The sensors are connected with the monitoring terminal through the multi-core cable; the monitoring terminal comprises an ARM processor, a power supply and a second ZigBee chip; the power supply and the second ZigBee are respectively connected to the ARM processor; the first ZigBee chip is connected with the computer; the first ZigBee chip are connected with the second ZigBee chip through the ZigBee wireless network; and the monitoring terminal transmits data to the computer through the ZigBee wireless network. The monitoring device for switch cabinet environment parameters based on ZigBee network has a compact structure and the monitoring terminal employs fixation installation mode which does not affect the original design of the switch cabinet so that the monitoring device can effectively monitor the switch cabinet environment parameter on the spot.
Description
Technical field
The utility model relates to a kind of switch cubicle ambient condition parameter monitor device based on the ZigBee network, belong to the power equipment state monitoring technical field.
Background technology
Along with advancing by leaps and bounds of China's power industry construction, modern power systems just develops towards big electrical network, big unit, UHV (ultra-high voltage), jumbo direction, for ensureing stability, the reliability of electric system, the safe coefficient of power equipment is also had higher requirement.
In recent years, switch cubicle has obtained using widely in urban distribution network, in case certain defective appears in the switch cubicle device interior, equipment failure takes place very easily.Along with increasing of switch cubicle transformer station quantity, the probability of switch cubicle device fails is also increasing.It is believed that in the past that switch cubicle equipment belonged to non-maintaining equipment, switch cubicle transformer station negligible amounts in addition, means and the measure of monitoring equipment fault are relatively limited.Therefore, strengthen and improve the operational monitoring of the commissioning test of switch cubicle equipment and switch cubicle equipment, significant to the safe operation that ensures switch cubicle equipment.
Facts have proved that the switch cubicle internal fault is based on the insulativity fault.Ambient condition parameter in the switch cubicle mainly comprises temperature, humidity, oxygen content and sulfur hexafluoride gas content.When generation insulation degradations such as the conductor in the switch cubicle, can cause the external leakage current of conductor to increase, the electric current that flows through on the conductor is increased greatly, and then the temperature in the switch cubicle is sharply risen.Ambient humidity in the switch cubicle is one of important factor in order that influences equipment long-time running in the cabinet, in the general switch cubicle certain heating and dehumidification equipment is arranged, but when this equipment malfunction, or moisture is when sharply increasing in short-term, form wet gas in the cabinet easily, and become moisture in the various device surface condensation of enclosure interior, the structure of equipment is easily under the acting in conjunction of aqueous vapor and temperature, accelerated deterioration or cause situations such as corrosion of metal has material impact to insulating property.The combined switch electrical equipment of the inner general practical sulfur hexafluoride gas-insulating of switch cubicle, when the insulating gas in such device for switching takes place to leak, the decreasing insulating of electrical equipment, influence the dielectric strength of switch, because the relative closure structure of switch cubicle, the sulfur hexafluoride gas that leaks accumulates in the switch cubicle bottom easily, by the bottom in switch cubicle oxygen content and the sulfur hexafluoride gas content gas leakage situation in can the reactive switches cabinet is installed.
Ambient condition in the switch cubicle is one of factor of reflection switch cubicle insulating property, and it is sign and the performance shape of switch cubicle insulation degradation, is again the reason of the further deterioration of insulation.So relevant environment state parameter such as temperature, humidity, oxygen content and the sulfur hexafluoride gas content of monitoring switch cubicle can be found the insulation defect that it is inner early stage, in order to take measures, avoid its development.In order to monitor the ambient condition parameter of switch cubicle inside in real time, find the insulation defect that it is inner early stage, guarantee that switchgear normally moves, reduce accident rate, be badly in need of installing additional switch cubicle ambient condition parameter monitor device.
Summary of the invention
The purpose of this utility model is to provide a kind of switch cubicle ambient condition parameter monitor device based on the ZigBee network at the defective of prior art, compact conformation, and mounting structure is not influential to original design of switch cubicle, can effectively monitor the ambient condition parameter of switch cubicle at the scene.
The technical scheme that realizes above-mentioned purpose is:
Switch cubicle ambient condition parameter monitor device based on the ZigBee network, comprise some sensors, polycore cable, monitoring terminal, ZigBee wireless network, ZigBee chip and a computing machine, described each sensor links to each other with described monitoring terminal by described polycore cable; Described monitoring terminal carries out data transmission by described ZigBee wireless network and computing machine; Described each sensor comprises temperature sensor, humidity sensor, oxygen sensor and sulfur hexafluoride gas sensor; Described monitoring terminal comprises ARM(Advanced RISC Machines) processor, power supply and the 2nd ZigBee chip, described power supply all links to each other with arm processor with the 2nd ZigBee chip; A described ZigBee chip links to each other with described computing machine; A described ZigBee chip links to each other by described ZigBee wireless network with the 2nd ZigBee chip, wherein:
Described temperature sensor is gathered the temperature data of switch cubicle ambient condition, and by described polycore cable temperature data is sent to arm processor;
Described humidity sensor is gathered the humidity data of switch cubicle ambient condition, and by described polycore cable humidity data is sent to arm processor;
Described oxygen sensor is gathered the oxygen content data of switch cubicle ambient condition, and by described polycore cable oxygen content data is sent to arm processor;
Described sulfur hexafluoride gas sensor is gathered the sulfur hexafluoride gas content data of switch cubicle ambient condition, and by described polycore cable the sulfur hexafluoride gas content data is sent to arm processor;
Described arm processor is stored the data of the various switch cubicle ambient condition parameters of reception, and utilizes the ZigBee wireless network to give described computing machine data transmission by a ZigBee chip and the suitable band antenna of the 2nd ZigBee chip configuration.
The above-mentioned switch cubicle ambient condition parameter monitor device based on the ZigBee network, wherein, described ZigBee wireless network comprises some router nodes and telegon.
The above-mentioned switch cubicle ambient condition parameter monitor device based on the ZigBee network wherein, is furnished with multiple warning message output interface on the described computing machine, comprise relay dry contact, 485 communication network interfaces and GSM note transmission interface.
The above-mentioned switch cubicle ambient condition parameter monitor device based on the ZigBee network, wherein, described each sensor is distributed in the corner of switch cubicle inside; Described monitoring terminal is installed on the switch cabinet panel.
Switch cubicle ambient condition parameter monitor device based on the ZigBee network of the present utility model compared with prior art, utilize the ZigBee wireless network to carry out data transmission, compact conformation, monitoring terminal is the fixed installation formula, and mounting structure is not influential to original design of switch cubicle, can effectively monitor ambient condition parameter such as temperature, humidity, oxygen content and the sulfur hexafluoride gas content of switch cubicle at the scene.
Description of drawings
Fig. 1 is principle schematic of the present utility model;
Fig. 2 is the composition synoptic diagram of ZigBee wireless network of the present utility model;
Fig. 3 is the on-the-spot schematic layout pattern that uses of the utility model;
Fig. 4 is the principle of work block diagram of monitoring terminal of the present utility model.
Embodiment
In order to make those skilled in the art can understand the technical solution of the utility model better, below in conjunction with accompanying drawing its embodiment is described in detail:
See also Fig. 1, switch cubicle ambient condition parameter monitor device based on the ZigBee network of the present utility model, comprise some sensors, polycore cable 2, monitoring terminal 3, ZigBee wireless network 4, a ZigBee chip 5 and computing machine 6, each sensor links to each other with monitoring terminal 3 by polycore cable 2; Monitoring terminal 3 carries out data transmission by ZigBee wireless network 4 and computing machine 6; Each sensor comprises temperature sensor 11, humidity sensor 12, oxygen sensor 13 and sulfur hexafluoride gas sensor 14; Monitoring terminal 3 comprises arm processor 31, power supply 32 and the 2nd ZigBee chip 33, and power supply 32 all links to each other with arm processor 31 with the 2nd ZigBee chip 33; The one ZigBee chip 5 links to each other with computing machine 6; The one ZigBee chip 5 links to each other by ZigBee wireless network 4 with the 2nd ZigBee chip 33.
Temperature sensor 11, humidity sensor 12, oxygen sensor 13 and sulfur hexafluoride gas sensor 14 all link to each other with arm processor 31 by polycore cable 2.Temperature sensor 11 is gathered the temperature data of switch cubicle ambient condition, and by polycore cable 2 temperature data is sent to arm processor 31; Humidity sensor 12 is gathered the humidity data of switch cubicle ambient condition, and by polycore cable 2 humidity data is sent to arm processor 31; Oxygen sensor 13 is gathered the oxygen content data of switch cubicle ambient conditions, and by polycore cable 2 oxygen content data is sent to arm processor 31; Sulfur hexafluoride gas sensor 14 is gathered the sulfur hexafluoride gas content data of switch cubicle ambient conditions, and by polycore cable 2 the sulfur hexafluoride gas content data is sent to arm processor 31.
Arm processor 31 control whole data collection processes, data to the various switch cubicle ambient condition parameters that receive are stored, and utilize ZigBee wireless network 4 to give computing machine 6 data transmission by a ZigBee chip 5 and the suitable band antenna of the 2nd ZigBee chip 33 configurations.
Computing machine 6 receives the data of various switch cubicle ambient condition parameters, the ambient condition supplemental characteristic of analyzing and processing switch cubicle, and obtain warning message.Be furnished with multiple warning message output interface on the computing machine 6, comprise relay dry contact, 485 communication network interfaces and GSM note transmission interface etc., can select configuration according to on-the-spot actual environment condition and client's demand.
See also Fig. 2 again, ZigBee wireless network 4 comprises some router nodes 41 and telegon 42.Use the mode of ZigBee wireless network to carry out data communication, can reduce the field wiring difficulty, the flexible structure that the communications protocol of while ZigBee has MANET is conducive to the direct layout of on-the-spot a plurality of sensor and communication management.ZigBee adopts the open frequency range of 2.4GHz, staggers with signal sensitivity and the frequency of gathering, and can not produce interference to gathering signal.
See also Fig. 3 again, switch cubicle ambient condition parameter monitor device based on the ZigBee network of the present utility model, when using at the scene, adopt the distributed sensor layout method that various sensors are arranged in switch cubicle 7 inside, in order not influence the inner structure of switch cubicle own, various sensors are fixed in the corner in the switch cubicle 7; Monitoring terminal 3 is installed on the panel of switch cubicle 7.
See also Fig. 4 again, the principle of work of monitoring terminal 3 of the present utility model is as follows: 1) carry out initialization earlier, all kinds of initial parameters etc. are set; 2) then specify corresponding temperature sensor to gather temperature variation data in the switch cubicle according to the parameter of setting; 3) then specify corresponding humidity sensor to gather humidity delta data in the switch cubicle according to the parameter of setting; 4) then specify corresponding oxygen sensor to gather oxygen content data in the switch cubicle according to the parameter of setting; 5) then specify corresponding sulfur hexafluoride gas sensor to gather sulfur hexafluoride gas content data in the switch cubicle according to the parameter of setting; 6) record the data of temperature, humidity, oxygen content and sulfur hexafluoride gas content then; 7) give computing machine the data of various parameters by the ZigBee wireless network transmissions at last.
In the present embodiment, temperature sensor adopts the U.S. letter of Maxim() DS18B20 of company, it adopts the single bus mode to carry out data transducer; Humidity sensor adopts humidity sensor to select for use French Humirel company to be suitable for the capacitor type humidity sensor HM1520 of low humidity environment measurement, HM1520 is the integrated low humidity probe that 3 lead terminals are arranged, the representative value of its feeder ear is 5V, and the scope of Relative Humidity Measuring is 0% to 20%; Oxygen level sensor adopts model KE-25 and KE-50, is simple and easy to usefulness, has no a grade signal output, and signal stabilization is not subjected to other gases affect such as grade; The SM-SF6 series analog output type sulfur hexafluoride sensor that the sulfur hexafluoride gas content level sensor adopts York company to produce, it adopts twin-beam Non-Dispersive Infra-red (NDIR) line detection technique, has that anti-other gases disturb, maintenance is easy, good stability, carries temperature compensation, has advantages such as the output of Modbus ASCII protocol numeral and simulation output; The model of arm processor is STM32F207; The one ZigBee chip and the 2nd ZigBee chip adopt the CC2510 of TI company.
In sum, switch cubicle ambient condition parameter monitor device based on the ZigBee network of the present utility model compared with prior art, utilize the ZigBee wireless network to carry out data transmission, reduce the field wiring difficulty, compact conformation, monitoring terminal is the fixed installation formula, and mounting structure is not influential to original design of switch cubicle, can effectively monitor the ambient condition parameter of switch cubicle at the scene.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. based on the switch cubicle ambient condition parameter monitor device of ZigBee network, comprise some sensors, polycore cable, monitoring terminal, ZigBee wireless network, ZigBee chip and a computing machine, described each sensor links to each other with described monitoring terminal by described polycore cable, described monitoring terminal carries out data transmission by described ZigBee wireless network and computing machine, it is characterized in that described each sensor comprises temperature sensor, humidity sensor, oxygen sensor and sulfur hexafluoride gas sensor; Described monitoring terminal comprises arm processor, power supply and the 2nd ZigBee chip, and described power supply all links to each other with arm processor with the 2nd ZigBee chip; A described ZigBee chip links to each other with described computing machine; A described ZigBee chip links to each other by described ZigBee wireless network with the 2nd ZigBee chip, wherein:
Described temperature sensor is gathered the temperature data of switch cubicle ambient condition, and by described polycore cable temperature data is sent to arm processor;
Described humidity sensor is gathered the humidity data of switch cubicle ambient condition, and by described polycore cable humidity data is sent to arm processor;
Described oxygen sensor is gathered the oxygen content data of switch cubicle ambient condition, and by described polycore cable oxygen content data is sent to arm processor;
Described sulfur hexafluoride gas sensor is gathered the sulfur hexafluoride gas content data of switch cubicle ambient condition, and by described polycore cable the sulfur hexafluoride gas content data is sent to arm processor;
Described arm processor is stored the data of the various switch cubicle ambient condition parameters of reception, and utilizes the ZigBee wireless network to give described computing machine data transmission by a ZigBee chip and the suitable band antenna of the 2nd ZigBee chip configuration.
2. the switch cubicle ambient condition parameter monitor device based on the ZigBee network according to claim 1 is characterized in that described ZigBee wireless network comprises some router nodes and telegon.
3. the switch cubicle ambient condition parameter monitor device based on the ZigBee network according to claim 1, it is characterized in that, be furnished with multiple warning message output interface on the described computing machine, comprise relay dry contact, 485 communication network interfaces and GSM note transmission interface.
4. the switch cubicle ambient condition parameter monitor device based on the ZigBee network according to claim 1 is characterized in that described each sensor is distributed in the corner of switch cubicle inside; Described monitoring terminal is installed on the switch cabinet panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147244 CN203148469U (en) | 2013-03-28 | 2013-03-28 | Monitoring device for switch cabinet environment parameters based on ZigBee network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147244 CN203148469U (en) | 2013-03-28 | 2013-03-28 | Monitoring device for switch cabinet environment parameters based on ZigBee network |
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| CN203148469U true CN203148469U (en) | 2013-08-21 |
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| CN 201320147244 Expired - Lifetime CN203148469U (en) | 2013-03-28 | 2013-03-28 | Monitoring device for switch cabinet environment parameters based on ZigBee network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234578A (en) * | 2013-03-28 | 2013-08-07 | 国家电网公司 | Switchgear environment status parameter monitoring device based on ZigBee network |
| CN103411640A (en) * | 2013-08-27 | 2013-11-27 | 国家电网公司 | Ring main unit internal environment signal wireless collecting device |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
-
2013
- 2013-03-28 CN CN 201320147244 patent/CN203148469U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234578A (en) * | 2013-03-28 | 2013-08-07 | 国家电网公司 | Switchgear environment status parameter monitoring device based on ZigBee network |
| CN103411640A (en) * | 2013-08-27 | 2013-11-27 | 国家电网公司 | Ring main unit internal environment signal wireless collecting device |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |