CN108931333A - A kind of GIS pressure detecting system and its working method based on Cloud Server - Google Patents
A kind of GIS pressure detecting system and its working method based on Cloud Server Download PDFInfo
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- CN108931333A CN108931333A CN201810495180.3A CN201810495180A CN108931333A CN 108931333 A CN108931333 A CN 108931333A CN 201810495180 A CN201810495180 A CN 201810495180A CN 108931333 A CN108931333 A CN 108931333A
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- Prior art keywords
- pressure
- cloud server
- gis
- detecting system
- control module
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/086—Means for indicating or recording, e.g. for remote indication for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention proposes a kind of GIS pressure detecting system and its working method based on Cloud Server, wherein the GIS pressure detecting system, including：Cloud Server, pressure-detecting device and monitor terminal；Wherein the pressure-detecting device includes：Control module, the pressure sensor and alarm module being connected with the control module；The pressure sensor is located in GIS device, and collected pressure value is sent to Cloud Server；And the Cloud Server is stored with pressure threshold range, when collected pressure value is within the scope of pressure threshold, the Cloud Server saves collected pressure value；Otherwise pressure value is sent to monitor terminal, while the control module controls the alarm module and issues alarm；GIS pressure detecting system of the invention can remotely in real time be monitored the gas pressure in GIS, and person works' amount is effectively reduced, improves the reliability and safety of pressure monitoring.
Description
Technical field
The invention belongs to electrical equipment more particularly to a kind of GIS pressure detecting system based on Cloud Server and its
Working method.
Background technique
GIS（Gas Insulated Substation）It is by breaker, disconnecting switch, current transformer, mutual induction of voltage
The power transformations station equipment such as device, arrester（Except transformer）It is combined into a closed electric appliance, SF6 of the inside filled with certain pressure
Gas.The air pressure of SF6 gas is high in GIS, will all generate warp difficult to the appraisal to the equipment of itself and surrounding once accident occurs
Ji loss, while great threat also is generated to the safety of staff.GIS is due to being typically mounted at outside, after long-play
Since SF6 gas leakage internal pressure can decline, the SF6 in GIS must assure that for the performance of the insulation that guarantees GIS etc.
Gas pressure maintains a certain range.Since SF6 will lead to climate warming, therefore the life that excessive concentration will also jeopardize people is
The safe operation and protection environment for guaranteeing GIS must be monitored the pressure of SF6 gas in GIS.
Currently, GIS pressure detecting largely carries out in such a way that artificial scene is checked, high pressure field operation danger coefficient
It is high, operator monitoring amount is big, reliability is low, therefore design it is a kind of remotely the gas pressure in GIS can be monitored in real time,
Person works' amount is reduced, the reliability of monitoring and safety-type is improved, avoids industrial accident occurs there is highly important meaning
Justice.
Summary of the invention
The present invention proposes a kind of GIS pressure detecting system and its working method based on Cloud Server, can remotely in real time
Gas pressure in GIS is monitored, person works' amount is reduced, improves the reliability and safety of monitoring.
In order to solve the above-mentioned technical problems, the present invention provides a kind of GIS pressure detecting system based on Cloud Server, packet
It includes：Cloud Server, pressure-detecting device and monitor terminal；Wherein the pressure-detecting device includes：Control module, with the control
Module connected pressure sensor and alarm module；The pressure sensor is located in GIS device, and by collected pressure value
It is sent to Cloud Server；And the Cloud Server is stored with pressure threshold range, when collected pressure value is in pressure threshold
In range, the Cloud Server saves collected pressure value；Otherwise pressure value is sent to monitor terminal, while the control
Module controls the alarm module and issues alarm.
Further, the GIS pressure detecting system based on Cloud Server further includes for detecting GIS equipment partial discharge
The UHF local discharge detection device of signal；The UHF local discharge detection device includes：Metallic shield ring, detection window and gold
Belong to shell；Wherein the metal shell is the open-ended cavity of cup-shaped, and open at one end has conformal with the surface of metallic shield ring
Periphery.
It further, include a circular metal plate in the inside of the metal shell, circular metal plate passes through two probes
It is connected with the inner conductor of the coaxial connector outside the metal shell.
Further, the detection window is orthogonal cross gap.
Further, the detection window is cross gap or rectangular aperture or square gap.
Further, during installation, the metal shell is aligned with the geometric center of the detection window, local discharge signal
It is coupled to the circular metal plate by the detection window.
Further, the metal shell and the metallic shield ring can be by the way of welding or pasting or being mechanically fixed
It links together.
Further, the medium of high dielectric constant is filled in the metal shell.
Another aspect, the working method of the present invention also provides a kind of GIS pressure detecting system based on Cloud Server, packet
It includes：Cloud Server, pressure-detecting device and monitor terminal；Wherein the pressure-detecting device includes：Control module, with the control
Module connected pressure sensor and alarm module；The pressure sensor is located in GIS device, and by collected pressure value
It is sent to Cloud Server；And the Cloud Server is stored with pressure threshold range, when collected pressure value is in pressure threshold
In range, the Cloud Server saves collected pressure value；Otherwise pressure value is sent to monitor terminal, while the control
Module controls the alarm module and issues alarm.
The invention has the advantages that the GIS pressure detecting system of the invention based on Cloud Server can remotely in real time
Gas pressure in GIS is monitored, when appearance of abnormal pressure, then issues alarm, and simultaneously will by Cloud Server
Pressure value is sent to monitor terminal in time, and person works' amount is effectively reduced, improves the reliability and safety of pressure monitoring.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that the present invention is based on the functional block diagrams of the GIS pressure detecting system of Cloud Server；
Fig. 2 is that the present invention is based on the metallic shield rings of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
Structural schematic diagram；
Fig. 3 is that the present invention is based on the metal shells of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
Side view；
Fig. 4 is that the present invention is based on the metal shell peaces of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
Perspective view when on metallic shield ring；
Fig. 5 is that the present invention is based on the output signals of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
Circuit block diagram.
Wherein：
Metallic shield ring 1, detection window 2, circular metal plate 3, metal shell 4, coaxial connector 5.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
Fig. 1 is that the present invention is based on the functional block diagrams of the GIS pressure detecting system of Cloud Server.
As shown in Figure 1, the present embodiment 1 provides a kind of GIS pressure detecting system based on Cloud Server, including：Cloud clothes
Business device, pressure-detecting device and monitor terminal；Wherein the pressure-detecting device includes：Control module, with the control module phase
Pressure sensor and alarm module even；The pressure sensor is located in GIS device, and collected pressure value is sent to
Cloud Server；And the Cloud Server is stored with pressure threshold range, when collected pressure value is within the scope of pressure threshold,
The Cloud Server saves collected pressure value；Otherwise pressure value is sent to monitor terminal, while the control module control
It makes the alarm module and issues alarm.
Specifically, the control module such as, but not limited to uses PLC control module；The pressure-detecting device further includes
It is connected to the control module communication module；The communication module such as, but not limited to uses ethernet interface module or WiFi mould
Block.
Remotely the gas pressure in GIS can be monitored in real time based on the GIS pressure detecting system of Cloud Server,
When appearance of abnormal pressure, then alarm is issued, and pressure value is sent to by monitor terminal by Cloud Server in time simultaneously, had
Effect reduces person works' amount, improves the reliability and safety of pressure monitoring.
It further, further include for detecting GIS equipment partial discharge letter based on the GIS pressure detecting system of Cloud Server
Number UHF local discharge detection device.
Fig. 2 is that the present invention is based on the metal screens of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
Cover the structural schematic diagram of ring.
As shown in Fig. 2, the UHF local discharge detection device includes：Metallic shield ring outside GIS insulation subring is set
1, metallic shield ring 1 is equipped with detection window 2.The detection window 2 can for cross gap, rectangular aperture, square gap or
Person's polygon gap, the present embodiment is by taking orthogonal cross gap as an example.The quantity of the detection window 2 can with more than one, and
Multiple detection windows can form array.
Fig. 3 is that the present invention is based on the metal-backs of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
The side view of body.
Fig. 4 is that the present invention is based on the metal-backs of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
Perspective view when body is mounted on metallic shield ring.
As shown in Figure 3, Figure 4, the UHF local discharge detection device of the present embodiment 1 further includes open at one end closed at one end
Cup-shaped metal shell 4, the cross section of metal shell 4 are circle, and the geometric dimension of 4 internal cavity of metal shell constitutes a cylinder
Shape waveguide resonator.One end that metal shell 4 is contacted with metallic shield ring 1 is open end, the periphery and metal screen of open end
The surface for covering ring 1 is conformal.There are two coaxial connectors 5 for closed end setting opposite to the open end.It is wrapped in the inside of metal shell 4
Include a circular metal plate 3, the inner conductor that circular metal plate 3 passes through the coaxial connector 5 outside two probes and metal shell 4
It is connected.Aperture enables the probe to penetrate the closed end of metal shell 4 there are two being arranged on metal shell 4.As shown in figure 4,
During installation, metal shell 4 is aligned with the geometric center of detection window 2.Local discharge signal is coupled to circle by detection window 2
Shape sheet metal 3.
The inner conductor of two coaxial connectors 5 connect with two probes and forms two feeding points on circular metal plate 3.
The port of two coaxial connectors 5 constitutes two radio frequency output ports.Two feeding points are respectively to two orthogonal cross gaps
Feed.Cross gap has wider frequency range, can cover the frequency range of local discharge signal.Specifically, the width of cross gap
Degree is 2 ~ 10mm, and the length in cross gap every orthogonal gap is the half of operation wavelength, specifically can for 10 ~
30mm, it is preferable that be 18mm.
Metal shell 4 and metallic shield ring 1 using welding or the modes such as can paste or be mechanically fixed and link together.For
Reduction volume can fill the medium of high dielectric constant in metal shell 4.
Fig. 5 is that the present invention is based on the output letters of UHF local discharge detection device in the GIS pressure detecting system of Cloud Server
Number circuit block diagram.
As shown in figure 5, the signal processing circuit in this UHF local discharge detection device includes the time grate being sequentially connected
SPDT switch, amplifier, filter and output circuit.Two ports of time grate SPDT switch are for acquiring cross gap two
On a direction.Local discharge signal is transmitted to filter through amplifier amplification, is transferred to after filter filtering interference signals
Output circuit is handled, and output circuit reconnects computer, and by treated, data are shown.The output circuit can
To be high-speed machine tools.
Specifically, being included the following steps using the method for UHF local discharge detection device detection GIS equipment partial discharge：
S1：Timing acquiring local discharge signal：Then, computer passes through bus marco SPDT switch first and gates two in turn acquisition time
A prevention at radio-frequency port, while starting a channel of high-speed machine tools, the signal of each prevention at radio-frequency port is successively converted into number
Word signal, then be sent in computer by bus and carry out data processing；S2：Shelf depreciation judgement：According to filter output
Signal amplitude judges whether to send out using the noise signal amplitude without shelf depreciation at the detection scene of measured in advance as judgment basis
Raw shelf depreciation carries out next step signal amplitude and compares when there is shelf depreciation generation, otherwise returns to step S1 and waits next time
Timing acquiring local discharge signal；S3：Signal amplitude compares：In the presence of having shelf depreciation, since UHF electromagnetic wave is being propagated through
Cheng Zhongyou decays, and the amplitude size for the discharge signal that different port detects is compared in measurement, chooses discharge signal amplitude maximum
Sensor；S4：Display：When a partial discharge occurs, by judgment result displays in computer screen；When there is no parts to put
When electric, return to S1 and wait timing acquiring local discharge signal next time.
The present invention detects the UHF signal radiated from disc insulator using external UHF local discharge detection device
It realizes Partial Discharge Detection, detects signal, and sensitivity with higher by the way that dual-port is upper from different directions.Detection window is remote
Less than the bore face of antenna, the mechanical strength of metallic shield ring is thereby ensured that.Metallic shield ring protection disc insulator, mentions
The high adaptive capacity to environment for being exposed to outer disc insulator originally.
UHF local discharge detection device of the invention is easy for installation, quick, stable and strong antijamming capability, can subtract significantly
The workload of few GIS device inspection, improves the reliability of detection working efficiency and testing result, can reduce for kiowatt big
Material resources, financial resources and the manpower of amount, increase economic efficiency, and ensure the operational safety of power equipment.Long-range angle sees, external UHF
Local discharge sensor can be used cooperatively with partial discharge detecting system, can widen the scope of application to GIS device, transformer,
The detection of the local discharge signal of high-tension cable etc..
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of work of GIS pressure detecting system based on Cloud Server
Method, including：Cloud Server, pressure-detecting device and monitor terminal；Wherein the pressure-detecting device includes：Control module,
The pressure sensor and alarm module being connected with the control module；The pressure sensor is located in GIS device, and will collect
Pressure value be sent to Cloud Server；And the Cloud Server is stored with pressure threshold range, when collected pressure value exists
Within the scope of pressure threshold, the Cloud Server saves collected pressure value；Otherwise pressure value is sent to monitor terminal, simultaneously
The control module controls the alarm module and issues alarm.
Specifically, working principle, the working method of the GIS pressure detecting system described in the present embodiment based on Cloud Server
And the course of work is identical as the GIS pressure detecting system based on Cloud Server in embodiment 1, details are not described herein again.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of GIS pressure detecting system based on Cloud Server, which is characterized in that including：
Cloud Server, pressure-detecting device and monitor terminal；Wherein
The pressure-detecting device includes：Control module, the pressure sensor and alarm module being connected with the control module；
The pressure sensor is located in GIS device, and collected pressure value is sent to Cloud Server；And
The Cloud Server is stored with pressure threshold range, and when collected pressure value is within the scope of pressure threshold, the cloud is taken
Business device saves collected pressure value；
Otherwise pressure value is sent to monitor terminal, while the control module controls the alarm module and issues alarm.
2. the GIS pressure detecting system according to claim 1 based on Cloud Server, which is characterized in that
The GIS pressure detecting system based on Cloud Server further includes the UHF office for detecting GIS equipment partial discharge signal
Portion's discharging detection device；
The UHF local discharge detection device includes：
Metallic shield ring, detection window and metal shell；Wherein
The metal shell is the open-ended cavity of cup-shaped, and open at one end has the circumference conformal with the surface of metallic shield ring
Face.
3. the GIS pressure detecting system according to claim 2 based on Cloud Server, which is characterized in that
It include a circular metal plate in the inside of the metal shell, circular metal plate passes through two probes and the metal-back
The inner conductor of coaxial connector outside body is connected.
4. the GIS pressure detecting system according to claim 2 based on Cloud Server, which is characterized in that
The detection window is orthogonal cross gap.
5. the GIS pressure detecting system according to claim 2 based on Cloud Server, which is characterized in that
The detection window is cross gap or rectangular aperture or square gap.
6. the GIS pressure detecting system according to claim 3 based on Cloud Server, which is characterized in that
During installation, the metal shell is aligned with the geometric center of the detection window, and local discharge signal passes through the inspection
It surveys window and is coupled to the circular metal plate.
7. the GIS pressure detecting system according to claim 2 based on Cloud Server, which is characterized in that
The metal shell can link together with the metallic shield ring using welding or stickup or by the way of being mechanically fixed.
8. the GIS pressure detecting system according to claim 2 based on Cloud Server, which is characterized in that
The medium of filling high dielectric constant in the metal shell.
9. a kind of working method of the GIS pressure detecting system based on Cloud Server, including：
Cloud Server, pressure-detecting device and monitor terminal；Wherein
The pressure-detecting device includes：Control module, the pressure sensor and alarm module being connected with the control module；
The pressure sensor is located in GIS device, and collected pressure value is sent to Cloud Server；And
The Cloud Server is stored with pressure threshold range, and when collected pressure value is within the scope of pressure threshold, the cloud is taken
Business device saves collected pressure value；
Otherwise pressure value is sent to monitor terminal, while the control module controls the alarm module and issues alarm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810495180.3A CN108931333A (en) | 2018-05-22 | 2018-05-22 | A kind of GIS pressure detecting system and its working method based on Cloud Server |
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| CN201810495180.3A CN108931333A (en) | 2018-05-22 | 2018-05-22 | A kind of GIS pressure detecting system and its working method based on Cloud Server |
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| CN110850906A (en) * | 2019-09-29 | 2020-02-28 | 中国人民解放军63660部队 | Remote gas circuit automatic control system working in strong electromagnetic radiation environment |
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Application publication date: 20181204 |