The content of the invention
In order to solve the problems of the prior art, it is an object of the invention to provide a kind of SF6 electric equipment intelligents tonifying Qi
With micro- water monitoring device, in the case where not needing maintainer frequently to come and go scene, dismounting gas-charging connection, can realize powered
Automatic inflating device is detected with micro- water, while by the information transfers such as testing result to monitoring backstage and mobile terminal, realizing remote monitoring.
For achieving the above object, the technical solution used in the present invention is:
A kind of tonifying Qi of SF6 electric equipment intelligents and micro- water monitoring device, including by pipeline SF6 electrical equipments, benefit are connected respectively
Metallic cavity X4 of gas cylinder and discarded bottle X3, is provided with gas-detecting device, the gas detection dress in metallic cavity X4
Put including pressure sensor, temperature sensor and micro- water gauge, the pressure sensor, temperature sensor and micro- water gauge
Connect with SF6 electrical equipments, on metallic cavity X4 and the pipeline of SF6 electrical equipments magnetic valve V1, metallic cavity are provided with
Two-way pipeline is provided between X4 and discarded bottle X3, wherein being provided with magnetic valve V2 in pipeline all the way, is provided with another road pipeline
Magnetic valve V4 and vavuum pump D1, on metallic cavity X4 and the tonifying Qi pipeline of tonifying Qi bottle magnetic valve V3 and pressure-reducing valve are disposed with
V5。
Further, the SF6 electrical equipments are transported and placed, tonifying Qi bottle, discarded bottle using a single dolly one
X3 and metallic cavity X4 are using another transport of dolly two and placement.
Further, the tonifying Qi bottle is two, and one of them is work tonifying Qi bottle X1, and another is standby tonifying Qi bottle
X2。
Further, it is provided with Temperature controlled heater H1 outside the work tonifying Qi bottle X1.
Further, the SF6 electrical equipments are connected by flexible pipe with the interface 4 of metallic cavity X4, metallic cavity X4
Interface 1 meets successively magnetic valve V3, pressure-reducing valve V5 and work tonifying Qi bottle X1 by tonifying Qi pipeline, and the interface 2 of metallic cavity X4 leads to
Cross connecting line and meet magnetic valve V2 and discarded bottle X3 successively, the interface 3 of metallic cavity X4 clears up pipeline and connects electricity successively by loop
Magnet valve V4, vavuum pump D1 and discarded bottle X3.
Further, the gas-detecting device is connected with automatic control module, by pressure sensor, temperature sensor and
To automatic control module, data are stored and processed the data transfer of micro- water gauge collection by automatic control module, then
Send order control magnetic valve V1, magnetic valve V2, magnetic valve V3 magnetic valve V4, pressure-reducing valve V5 and Temperature controlled heater H1.
Further, the automatic control module connects display module, and display module is used to show that gas-detecting device is adopted
The state of the data of collection and the magnetic valve of automatic control module control;The automatic control module is connected by remote monitoring module
Monitoring backstage and mobile terminal.
Further, dolly two is divided into from top to bottom three layers, and upper strata is automatic control module, tonifying Qi bottle and display module,
Lower floor is discarded bottle X3, and middle level is provided with tool box, be provided with rain-proof outside common tool and tonifying Qi pipeline, dolly two for depositing
Cover.
Further, the dolly one, dolly two are respectively provided with earthing or grounding means.
Further, the material of the tonifying Qi pipeline is flexible alloys material.
Compared with prior art, the present invention has advantages below:
When SF6 electrical equipments gas leakage to density value is less than making-up air device setting value, making-up air device will be automatically opened up the present invention
Tonifying Qi magnetic valve, starts tonifying Qi, until device interior gas density reaches specified value.Before tonifying Qi, by vacuumizing into luggage
Put sealing property detection and loop cleaning;After tonifying Qi, periodic measurement SF6 electrical equipment gas micro water contents.Whole process need not
Maintainer participates in, and without repeated disassembled and assembled gas-charging connection, saves human and material resources, improves operating efficiency, while reducing human users
The improper security risk brought.
Meanwhile, the parameter such as gas density, micro-water content, storage pressure can synchronously on the spot, monitoring backstage and mobile phone
Client shows that tonifying Qi start and stop and abnormal conditions warning can be sent to mobile phone and be reminded with note pattern, it is not necessary to periodically
Scene is gone to check, operation just can grasp SF6 electrical equipments and making-up air device real-time status with maintainer, and can be right in time
Abnormal conditions are responded and processed.
Additionally, providing sufficient data foundation for overhaul of the equipments arrangement, power off time can be effectively reduced, while avoiding not
The major accident for causing is overhauled in time.
Specific embodiment
The present invention is further described with reference to embodiment.
As shown in Figure 1-2, a kind of tonifying Qi of SF6 electric equipment intelligents and micro- water monitoring device, including being connected respectively by pipeline
Metallic cavity X4 of SF6 electrical equipments, tonifying Qi bottle and discarded bottle X3 is connect, gas detection dress is provided with metallic cavity X4
Put, the gas-detecting device includes pressure sensor, temperature sensor and micro- water gauge, the pressure sensor, temperature
Sensor and micro- water gauge are connected with SF6 electrical equipments, are provided with metallic cavity X4 and the pipeline of SF6 electrical equipments
Magnetic valve V1, is provided with two-way pipeline between metallic cavity X4 and discarded bottle X3, wherein it is provided with magnetic valve V2 in pipeline all the way, separately
It is provided with magnetic valve V4 and vavuum pump D1 in pipeline all the way, vavuum pump D1 discharges the waste gas in tonifying Qi pipeline and other impurities;
Magnetic valve V3 and pressure-reducing valve V5, the material of the tonifying Qi pipeline are disposed with metallic cavity X4 and the tonifying Qi pipeline of tonifying Qi bottle
For flexible alloys material, aging the brought gas leakage risk of material is efficiently avoid, increased the service life.
The SF6 electrical equipments are transported and placed, tonifying Qi bottle, discarded bottle X3 and wire chamber using a single dolly one
Body X4 is using another transport of dolly two and placement.Connected by flexible pipe between two dollies, convenient scene is transported and laid.
The tonifying Qi bottle is two, and one of them is work tonifying Qi bottle X1, and another is standby tonifying Qi bottle X2.The work
Temperature controlled heater H1 is provided with outside effect tonifying Qi bottle X1, so that cold snap being capable of normally tonifying Qi.
The SF6 electrical equipments are connected by flexible pipe with the interface 4 of metallic cavity X4, and the interface 1 of metallic cavity X4 passes through
Tonifying Qi pipeline meets successively magnetic valve V3, pressure-reducing valve V5 and work tonifying Qi bottle X1, and the interface 2 of metallic cavity X4 passes through connecting line
Magnetic valve V2 and discarded bottle X3 is met successively, and waste gas and other impurities in tonifying Qi pipeline etc. is discharged storage to waste gas by vavuum pump D1
In bottle X3, it is to avoid to environment, the interface 3 of metallic cavity X4 clears up pipeline and meets magnetic valve V4, very successively by loop
Empty pump D1 and discarded bottle X3.
The gas-detecting device is connected with automatic control module, by the detection of pressure sensor, temperature sensor and micro- water
To automatic control module, data are stored and processed the data transfer of device collection by automatic control module, then send order
Control magnetic valve V1, magnetic valve V2, magnetic valve V3, magnetic valve V4, pressure-reducing valve V5 and Temperature controlled heater H1, it is described to automatically control mould
Block can realize that automatic inflating device is examined with micro- water according to the process of sensor detection data and analysis, the opening and closing for controlling each magnetic valve
Survey;
The automatic control module connects display module, and display module is used to showing data that gas-detecting device is gathered and automatically
The state of the magnetic valve of control module control;Display module is touch-screen;The automatic control module passes through remote monitoring module
Connection monitoring backstage and mobile terminal.Automatic control module is the PLC of Siemens's model S7-200, according to setting cycle with connect
The sensor values for receiving control the start and stop of tonifying Qi magnetic valve, realize automatic inflating device with micro- water periodic detection.
The gas-detecting device is used to detect micro- water, gas pressure and temperature in SF6 electrical equipments, and by testing result
It is transferred to automatic control module;The automatic control module is used to receiving, store and processing all kinds of detection datas, and sends order
Control magnetic valve V1, magnetic valve V2, magnetic valve V3 magnetic valve V4, the start and stop of pressure-reducing valve V5 and Temperature controlled heater H1;The vacuum
Pump D1 places branch road is used to discharge the waste gas and other impurities in tonifying Qi pipeline, while being used for pipeline sealing propertytest;It is described aobvious
Show module for showing each status information;The remote monitoring module is used to display content to be transferred to monitoring backstage and move on the spot
Dynamic terminal, is easy to remote operation and data monitoring, inquiry and other analyses, while can lead to tonifying Qi information etc. in note form
Know mobile terminal, i.e. mobile phone.
The present invention measures gas pressure P and real time temperature t using pressure, temperature sensor, using gas in SF6 electrical equipments
Body state parameter equation calculates pressure value of the gas at 20 DEG C in SF6 electrical equipments, is transferred to automatic control module and sets
Definite value compares, the pressure value category for controlling the opening and closing of tonifying Qi magnetic valve, when wherein pressure, temperature sensor obtain 20 DEG C of gas
In prior art.
Micro- water gauge is relative using high-precision alumina humidity sensor measurement SF6 inside electric appliance SF6 gases
Humidity, and humidity value when being converted to 20 DEG C with correction formula, are transferred to automatic control module and are monitored, and judge micro-water content
It is whether exceeded, wherein humidity value when micro- water gauge obtains 20 DEG C of gas belongs to prior art.
When the present invention is used, before automatic inflating device operation first, system carries out self-inspection and clears up with loop, magnetic valve V1, V2, V3
Close, magnetic valve V4 is opened, vavuum pump D1 is vacuumized to closing pipe line, reach setting vacuum and kept, to test benefit
Device of air self seal performance, when device cannot pass through self-inspection, is connected to the self-inspection indicator lamp flicker of automatic control module, together
When send abnormal alarm;
Under normal condition, magnetic valve V1 is opened, and magnetic valve V2, V3, V4 are closed, when the gas density for detecting is less than pressure alarm
During value, magnetic valve V3 is opened, and work carries out tonifying Qi with tonifying Qi bottle X1 to SF6 electrical equipments;Equipment is reached when mending to gas density
During rated pressure value, magnetic valve V3 is closed;
When carrying out micro- water detection according to setting cycle, it is first turned on magnetic valve V2 and is vented to setting time, ensures micro- water test
Authenticity, be then shut off magnetic valve V2, carry out micro- water detection and testing result be transferred to into automatic control module;
Show the data of each sensor detection on display module in real time, the data include pressure, the temperature of gas in SF6 electrical equipments
The measured value and alarming value of pressure in degree, micro-water content, SF6 electrical equipments, while superfeed pressure value, pressure alarm can be carried out
Value, between micro- water alarming value, tonifying Qi bottle pressure alarming value, vacuum alarming value, tonifying Qi frequency interval alarms value and micro- water gaging
Set every parameters such as, micro- water gaging evacuation times.
Remote monitoring module is by tonifying Qi information and micro- water exception, the tonifying Qi frequency is exceeded, storage pressure is low, self diagnosis is reported to the police
Notify that mobile phone, easy access personnel are timely responded to, process abnormal conditions in note form etc. abnormal conditions.
Dolly two is divided into from top to bottom three layers, and upper strata is automatic control module, tonifying Qi bottle and display module, and lower floor is discarded
Bottle X3, middle level is provided with tool box, be provided with rain cover outside common tool and tonifying Qi pipeline, dolly two for depositing.
The dolly one, dolly two are respectively provided with earthing or grounding means, on the one hand prevent source-drain, even more in order to cancellation element exists
The induced electricity produced on metal shell in substation.Miscellaneous part on dolly one, dolly two is all solid by metal bolts
It is scheduled on carriage frame, therefore only needs dolly one and dolly two that earthing or grounding means is set.
The above is only the preferred embodiment of the present invention, it should be pointed out that:For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.