CN104655523A - On-line monitoring device and system for SF6 trace water density - Google Patents
On-line monitoring device and system for SF6 trace water density Download PDFInfo
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- CN104655523A CN104655523A CN201510043227.9A CN201510043227A CN104655523A CN 104655523 A CN104655523 A CN 104655523A CN 201510043227 A CN201510043227 A CN 201510043227A CN 104655523 A CN104655523 A CN 104655523A
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Abstract
The invention relates to the technical field of electronic communication, and in particular relates to an on-line monitoring device and system for SF6 trace water density. The on-line monitoring device comprises a cavity body, wherein one end of the cavity body is fixedly communicated with a teletransmission density meter joint and an inflating self-sealing interface valve, and the other end of the cavity body is fixedly connected with a sampler on and off switch and a connector interface valve; the sampler on and off switch and the teletransmission density meter joint are arranged on the same side of the cavity body, and form a shape like a Chinese character ao with the cavity body; a cover body is arranged at the upper end of the cavity body and can cover the sampler on and off switch and the teletransmission density meter joint. The on-line monitoring device has the advantages that the cover body can achieve a protecting effect and can prevent leakage; furthermore, an upper signal table can be used for achieving the diversity of signals emitted by the device, and a relatively large selection space can be realized; a single communication mode is avoided; the system can be used for achieving the working condition of the device in real time through a main unit, and corresponding adjustment is facilitated.
Description
Technical field
Invention relates to electronic communication technology field, refers to a kind of monitoring system, the micro-water-mass density on-Line Monitor Device of especially a kind of SF6 and monitoring system thereof.
Background technology
SF6 gas is as a kind of important insulating medium, because it has good insulating property and arc extinction performance to obtain the accreditation of people, its electric strength is 2.5 times of nitrogen under same pressure, voltage breakdown is 2.5 times of air, arc extinguishing ability is 100 times of air, be a kind of UHV (ultra-high voltage) insulating dielectric materials of new generation be better than between air and oil, and be widely used in high-voltage switch gear gas-insulated.In SF6 high-tension apparatus, when the gas phase liquid water content in SF6 gas acquires a certain degree, under the effect of electric arc or corona, SF6 gas analyte can produce toxicity through hydrolysis reaction, chemical corrosion is produced to equipment, then has a strong impact on the normal operation of equipment and the healthy of field personnel.Therefore, on-line monitoring is carried out to the micro-water content in SF6 gas and density, to realize the conservative control of moisture and gas density, to the safe operation of the equipment of guarantee, there is important effect.The application of current domestic electrical industry is all use off-line type method substantially, and this method achieves micro-water measuring ability to a certain extent, but also there are this some weak points, such as: non real-time; After there is situation, cannot the very first time situation of decorrelation, be subject to environmental impact large; Communication modes is single, is inconvenient to carry out daily maintenance and detection, there will be the phenomenons such as leakage after long-time practicality, and cost is high and harm staff is healthy and atmospheric pollution, does not meet the Modern Trends such as environmental protection and energy saving.
Summary of the invention
The object of invention is for the problems referred to above, provides a kind of micro-water-mass density on-Line Monitor Device of SF6 of monitoring convenience, compact conformation, safety, good reliability.
For achieving the above object, invention have employed following technical proposal: the micro-water-mass density on-Line Monitor Device of SF6, it is characterized in that, comprise cavity body, cavity body is connected to attachment unit interface valve, sampling thief ON-OFF switch, teletransmission density meter joint, inflate self-styled interface valve and micro-water sensor interface, the centre position of cavity body is fixedly connected with micro-water sensor interface, one end of cavity body is fixing is respectively communicated with teletransmission density meter joint and the self-styled interface valve of inflation, its other end is fixedly connected with sampling thief ON-OFF switch and attachment unit interface valve respectively, sampling thief ON-OFF switch and teletransmission density meter joint are arranged on the same side of cavity body, " recessed " shape is formed with cavity body, the upper end of cavity body is provided with lid, and this lid can cover with by sampling thief ON-OFF switch and teletransmission density meter joint.
The upper end of cavity body is provided with lid, and this lid can cover with by sampling thief ON-OFF switch and teletransmission density meter joint.
In the micro-water-mass density on-Line Monitor Device of above-mentioned a kind of SF6, described lid comprises the cylindrical shell of one end with opening, and be connected to cylindrical shell one end signal station is installed.
In the micro-water-mass density on-Line Monitor Device of above-mentioned a kind of SF6, described signal station cross section is triangle; Cylindrical shell is circular.
In the micro-water-mass density on-Line Monitor Device of above-mentioned a kind of SF6, in described signal station, communication module is installed.
In the micro-water-mass density on-Line Monitor Device of above-mentioned a kind of SF6, in described signal station, communication module can be connected with micro-water sensor interface.
Another object of invention is for the problems referred to above, provides that a kind of precision is high, communication modes is various, be convenient to understand in real time the micro-water-mass density on-line monitoring system of SF6 of service condition.
At the micro-water-mass density on-line monitoring system of above-mentioned a kind of SF6, it is characterized in that, comprise the micro-water-mass density on-Line Monitor Device of several SF6 being arranged on gas supplementing opening, the micro-water-mass density on-Line Monitor Device of SF6 is provided with sampling module, sampling module is connected with communication module, communication module is connected in RS485 bus, and connects and processing unit.
In the micro-water-mass density on-line monitoring system of above-mentioned a kind of SF6, described RS485 bus is provided with can receive and dispatch the host computer that communication module sends coherent signal, and host computer is connected with processing unit.
In the micro-water-mass density on-line monitoring system of above-mentioned a kind of SF6, described host computer support is based on the network communication mode of optical fiber; Support power line carrier, PLC mode; Support of wireless communication.
Compared with prior art, the advantage of invention is: lid not only can play the effect of protective device, pre-anti-leak, and can realize by top signal station the diversity that this device transmits, and has more choice, avoids communication modes single; The working condition of the real-time acquisition device of exchange can be realized by this system, be convenient to adjust accordingly.
Accompanying drawing explanation
In order to be illustrated more clearly in inventive embodiments or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure schematic front view of invention;
Fig. 2 is the schematic diagram of invention system.
Embodiment
Below in conjunction with the accompanying drawing in inventive embodiments, be clearly and completely described the technical scheme in inventive embodiments, obviously, described embodiment is only a part of embodiment of invention, instead of whole embodiments.Based on the embodiment in invention, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of invention protection.
Embodiment 1
As Fig. 1, shown in 2, the micro-water-mass density on-Line Monitor Device of SF6, comprise cavity body 1, cavity body is connected to attachment unit interface valve 2, sampling thief ON-OFF switch 3, teletransmission density meter joint 4, inflate self-styled interface valve 5 and micro-water sensor interface 6, the centre position of cavity body is fixedly connected with micro-water sensor interface, one end of cavity body is fixing is respectively communicated with teletransmission density meter joint and the self-styled interface valve of inflation, its other end is fixedly connected with sampling thief ON-OFF switch and attachment unit interface valve respectively, sampling thief ON-OFF switch and teletransmission density meter joint are arranged on the same side of cavity body, " recessed " shape is formed with cavity body, the upper end of cavity body is provided with lid 7, and this lid can cover with by sampling thief ON-OFF switch and teletransmission density meter joint.Described lid comprises the cylindrical shell of one end with opening, and be connected to cylindrical shell one end signal station 8 is installed.Described signal station cross section is triangle; Cylindrical shell is circular.Be provided with communication module 9 in described signal station, in described signal station, communication module can be connected with micro-water sensor interface.Mode signal being transmitted by this signal station is more, can select, by transmitting between this sensor, also to transmit by communication module in signal station, avoid one of them to damage, and causes transmitting the situations such as inconvenience.
The micro-water-mass density on-line monitoring system of a kind of SF6, comprise the micro-water-mass density on-Line Monitor Device of several SF6 being arranged on gas supplementing opening, the micro-water-mass density on-Line Monitor Device of SF6 is provided with sampling module, sampling module is connected with communication module, communication module 11 is connected in RS485 bus, and connects and processing unit.Described RS485 bus is provided with can receive and dispatch the host computer that communication module sends coherent signal, and host computer 13 is connected with processing unit 12.Described host computer carries out communication by the network communication mode based on optical fiber.
Embodiment 2
As Fig. 1, shown in 2, the micro-water-mass density on-Line Monitor Device of SF6, comprise cavity body 1, cavity body is connected to attachment unit interface valve 2, sampling thief ON-OFF switch 3, teletransmission density meter joint 4, inflate self-styled interface valve 5 and micro-water sensor interface 6, the centre position of cavity body is fixedly connected with micro-water sensor interface, one end of cavity body is fixing is respectively communicated with teletransmission density meter joint and the self-styled interface valve of inflation, its other end is fixedly connected with sampling thief ON-OFF switch and attachment unit interface valve respectively, sampling thief ON-OFF switch and teletransmission density meter joint are arranged on the same side of cavity body, " recessed " shape is formed with cavity body, the upper end of cavity body is provided with lid 7, and this lid can cover with by sampling thief ON-OFF switch and teletransmission density meter joint.Described lid comprises the cylindrical shell of one end with opening, and be connected to cylindrical shell one end signal station 8 is installed.Described signal station cross section is triangle; Cylindrical shell is circular.Be provided with communication module 9 in described signal station, in described signal station, communication module can be connected with micro-water sensor interface.Mode signal being transmitted by this signal station is more, can select, by transmitting between this sensor, also to transmit by communication module in signal station, avoid one of them to damage, and causes transmitting the situations such as inconvenience.
The micro-water-mass density on-line monitoring system of a kind of SF6, comprise the micro-water-mass density on-Line Monitor Device of several SF6 being arranged on gas supplementing opening, the micro-water-mass density on-Line Monitor Device of SF6 is provided with sampling module, sampling module is connected with communication module, communication module is connected in RS485 bus, and connects and processing unit.Described RS485 bus is provided with can receive and dispatch the host computer that communication module sends coherent signal, and host computer is connected with processing unit.Described host computer carries out communication by power line carrier, PLC mode.
Embodiment 3
As Fig. 1, shown in 2, the micro-water-mass density on-Line Monitor Device of SF6, comprise cavity body 1, cavity body is connected to attachment unit interface valve 2, sampling thief ON-OFF switch 3, teletransmission density meter joint 4, inflate self-styled interface valve 5 and micro-water sensor interface 6, the centre position of cavity body is fixedly connected with micro-water sensor interface, one end of cavity body is fixing is respectively communicated with teletransmission density meter joint and the self-styled interface valve of inflation, its other end is fixedly connected with sampling thief ON-OFF switch and attachment unit interface valve respectively, sampling thief ON-OFF switch and teletransmission density meter joint are arranged on the same side of cavity body, " recessed " shape is formed with cavity body, the upper end of cavity body is provided with lid 7, and this lid can cover with by sampling thief ON-OFF switch and teletransmission density meter joint.Described lid comprises the cylindrical shell of one end with opening, and be connected to cylindrical shell one end signal station 8 is installed.Described signal station cross section is triangle; Cylindrical shell is circular.Be provided with communication module 9 in described signal station, in described signal station, communication module can be connected with micro-water sensor interface.Mode signal being transmitted by this signal station is more, can select, by transmitting between this sensor, also to transmit by communication module in signal station, avoid one of them to damage, and causes transmitting the situations such as inconvenience.
The micro-water-mass density on-line monitoring system of a kind of SF6, comprise the micro-water-mass density on-Line Monitor Device of several SF6 being arranged on gas supplementing opening, the micro-water-mass density on-Line Monitor Device of SF6 is provided with sampling module 10, sampling module is connected with communication module 11, communication module is connected in RS485 bus, and connects and processing unit 12.Described RS485 bus is provided with can receive and dispatch the host computer 13 that communication module sends coherent signal, and host computer is connected with processing unit.Described host computer carries out communication by radio communication.
The foregoing is only the preferred embodiment of invention, not in order to restriction invention, within all spirit in invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in invention.
Claims (9)
1.SF6 micro-water-mass density on-Line Monitor Device, it is characterized in that, comprise cavity body, cavity body is connected to attachment unit interface valve, sampling thief ON-OFF switch, teletransmission density meter joint, inflate self-styled interface valve and micro-water sensor interface, the centre position of cavity body is fixedly connected with micro-water sensor interface, one end of cavity body is fixing is respectively communicated with teletransmission density meter joint and the self-styled interface valve of inflation, its other end is fixedly connected with sampling thief ON-OFF switch and attachment unit interface valve respectively, sampling thief ON-OFF switch and teletransmission density meter joint are arranged on the same side of cavity body, " recessed " shape is formed with cavity body.
2. the micro-water-mass density on-line monitoring system of SF6 according to claim 1, it is characterized in that, the upper end of cavity body is provided with lid, and this lid can cover with by sampling thief ON-OFF switch and teletransmission density meter joint.
3. the micro-water-mass density on-Line Monitor Device of SF6 according to claim 2, is characterized in that, described lid comprises the cylindrical shell of one end with opening, and be connected to cylindrical shell one end signal station is installed.
4. the micro-water-mass density on-Line Monitor Device of the SF6 according to claim 1 or 3, is characterized in that, described signal station cross section is triangle; Cylindrical shell is circular.
5. the micro-water-mass density on-Line Monitor Device of SF6 according to claim 1 or 2 or 3, is characterized in that, be provided with communication module in described signal station.
6. the micro-water-mass density on-Line Monitor Device of SF6 according to claim 5 and monitoring system thereof, is characterized in that, in described signal station, communication module can be connected with micro-water sensor interface.
7.SF6 micro-water-mass density on-line monitoring system, it is characterized in that, comprise the micro-water-mass density on-Line Monitor Device of several SF6 being arranged on gas supplementing opening, the micro-water-mass density on-Line Monitor Device of SF6 is provided with sampling module, sampling module is connected with communication module, communication module is connected in RS485 bus, and connects and processing unit.
8. the micro-water-mass density on-line monitoring system of SF6 according to claim 7, is characterized in that, described RS485 bus is provided with can receive and dispatch the host computer that communication module sends coherent signal, and host computer is connected with processing unit.
9. the micro-water-mass density on-line monitoring system of the SF6 according to claim 7 or 8, is characterized in that, described host computer support is based on the network communication mode of optical fiber; Support power line carrier, PLC mode; Support of wireless communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510043227.9A CN104655523A (en) | 2015-01-28 | 2015-01-28 | On-line monitoring device and system for SF6 trace water density |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510043227.9A CN104655523A (en) | 2015-01-28 | 2015-01-28 | On-line monitoring device and system for SF6 trace water density |
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Application publication date: 20150527 |