CN109443628A - A kind of high-power microwave source strong electromagnetic ambient pressure measuring device - Google Patents
A kind of high-power microwave source strong electromagnetic ambient pressure measuring device Download PDFInfo
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- CN109443628A CN109443628A CN201811567019.9A CN201811567019A CN109443628A CN 109443628 A CN109443628 A CN 109443628A CN 201811567019 A CN201811567019 A CN 201811567019A CN 109443628 A CN109443628 A CN 109443628A
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- conversion module
- power
- microwave source
- strong electromagnetic
- pressure measuring
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 89
- 238000004891 communication Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000003287 optical effect Effects 0.000 claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 16
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 239000002184 metal Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
-
- 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
Abstract
The invention discloses a kind of high-power microwave source strong electromagnetic ambient pressure measuring devices, including digital communication pressure gauge, insulation changeover portion and signal conversion processes unit, wherein, signal conversion processes unit includes electrical/optical conversion module, power conversion module and filter.Digital communication pressure gauge is mounted on pressure vessel by the changeover portion that insulate, and power input is provided by power conversion module；External power supply is connected to signal conversion processes unit, is connected to power conversion module through filter；Digital communication pressure gauge acquisition air pressure signal is exported in the form of universal serial bus to be connect with electrical/optical conversion module, using multimode fibre teletransmission.Air pressure measuring apparatus of the invention has not only reached the purpose of remote monitoring pressure in real time container air pressure, has also achieved the requirement applied to high-power microwave source strong electromagnetic interference environment.
Description
Technical field
The present invention relates to a kind of high-power microwave source strong electromagnetic ambient pressure measuring devices.
Background technique
Air pressure measuring apparatus completes the Pressure monitoring of the source High-Power Microwave (HPM) pressure vessel, mentions for system normal operation
For real time information.Air gauge as important measurement instrument, be divided into it is mechanical and two kinds of electronic type, the former environmental suitability compared with
By force, it but is exported without electric signal, can not achieve remote monitoring, it can only field observation；The latter usually has standardized serial communication
The electricity output interface of agreement, both can field observation, can also transmit at a distance.Due to high-power electric and electronic device in the system of the source HPM
Frequent of part etc. will generate very steep transient pulse；High-Power Microwave is through aerial radiation, secondary lobe, back lobe and anti-
Penetrating microwave can form high-frequency conduction and radiation interference through near-field coupling and far-field radiation, to grid equipment and neighbouring observing and controlling system
The electronic units such as system cause electromagnetic environmental pollution, lead to functional fault or permanent damages.Directly pacified using electronic pressure meter
Mounted in the source HPM in use, often there is the phenomenon of the failure that air gauge cannot be read, blank screen even cannot be started up, limit its application
Range, therefore expanding air pressure measuring apparatus in the applicability of forceful electric power magnetic environment is one of the emphasis in the research of HPM TT&C system.
The usually used digital communication pressure gauge built in pressure sensor of the source HPM system air pressure measuring apparatus, using metal
There are three the factor of shell, cable outlet teletransmission pressure signal, direct current 24V power supply, therefore influence barometric surveying is main: 1. pass through
Electric power incoming line coupling input electromagnetic interference.2. air gauge metal shell is directly connect with HPM source chamber body, i.e. measurement and system high pressure
Altogether, ground wire transient potential is raised when HPM works on ground.3. being connected to field measure-control unit from air gauge output cable, cable is sudden and violent
It is exposed in strong electromagnetic interference environment, by cable conduction and Space Coupling to measuring device.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of high-power microwave source strong electromagnetic ambient pressures
Measuring device.
The purpose of the present invention is achieved through the following technical solutions:
A kind of high-power microwave source strong electromagnetic ambient pressure measuring device, including digital communication pressure gauge, insulation changeover portion
With signal conversion processes unit；Wherein, signal conversion processes unit includes that (electrical/optical conversion module is used for will for electrical/optical conversion module
Barometric surveying signal conversion processes are transmitted outward), power conversion module and filter；
Digital communication pressure gauge is mounted on pressure vessel by the changeover portion that insulate；
Digital communication pressure gauge is connect with electrical/optical conversion module, using multimode fibre teletransmission；
Power conversion module is arranged between electrical/optical conversion module and filter.
It is preferred that insulation changeover portion is all made of with digital communication pressure gauge and pressure vessel and is threadedly coupled.Insulation
Changeover portion includes big end and small end, and internal screw thread is wherein arranged in big end, external screw thread is arranged on small end.
It is preferred that power conversion module is that AC220V turns DC24V conversion module.
It is preferred that filter uses AC220V power-supply filter.
It is preferred that insulation changeover portion is made of MC nylon material.
It is preferred that digital communication pressure gauge uses RS485 type digital communication pressure gauge.
It is preferred that electrical/optical conversion processing module turns optic fiber converter ADAM-4541 using RS485.
It is preferred that electrical/optical conversion module by optical fiber is connected to remote supervisory and control(ling) equipment, (for example long-range monitoring is calculated
Machine), optical fiber uses 62.5/125 μm of multimode fibre (fiber-optic signal wavelength 820nm).
It is preferred that the joint categories of optical fiber is ST.
It is preferred that signal conversion processes unit is mounted in shield machine box.
Air pressure measuring apparatus of the invention has not only reached the purpose of remote monitoring pressure in real time container air pressure, also reaches
Requirement applied to high-power microwave source strong electromagnetic interference environment.
Detailed description of the invention
Fig. 1 is the system schematic of air pressure measuring apparatus；
Fig. 2 is the main view of insulation changeover portion in air pressure measuring apparatus；
Fig. 3 is the top view of insulation changeover portion in air pressure measuring apparatus；
In figure, 1- insulation changeover portion, 2- digital communication pressure gauge, 3- signal conversion processes unit, 301- electrical/optical modulus of conversion
Block, 302- power conversion module, 303- filter.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, a kind of high-power microwave source strong electromagnetic ambient pressure measuring device, including insulation changeover portion 1, number
Pressure communication table 2 and signal conversion processes unit 3；Wherein, signal conversion processes unit 3 include electrical/optical conversion module 301 (electricity/
Light conversion module 301 for transmitting barometric surveying signal conversion processes outward), power conversion module 302 and filter 303；
Digital communication pressure gauge 2 is mounted on pressure vessel by the changeover portion 1 that insulate, good airproof performance；
Digital communication pressure gauge 2 is acquired air pressure signal and is exported in the form of universal serial bus, and (is adopted with electrical/optical conversion module 301
With multimode fibre teletransmission) it connects, the measuring signal of the acquisition output of digital communication pressure gauge 2 is connected nearby using multilayer screen cable
It to signal conversion processes unit 3, is exported after being converted into optical signal, uses optical fiber as telecommunication medium, cut off warp
Cable is coupled to the electromagnetic interference in signal conversion processes unit 3；Power conversion module 302 is arranged in 301 He of electrical/optical conversion module
It is that digital communication pressure gauge 2 and electrical/optical conversion module 301 are powered between filter 303.Preferably, signal conversion processes unit
3 are installed using shield machine box, and machine box internal electric source filter 303 inhibits the space introduced by machine cartridge apertures seam, power cable
And Conduction Interference.
In a preferred embodiment, as shown in Figures 2 and 3, insulation changeover portion 1 and digital communication pressure gauge 2 and pressure
Container is all made of threaded connection.The changeover portion 1 that insulate includes big end and small end, and internal screw thread is wherein arranged in big end, is arranged on small end
External screw thread.
In a preferred embodiment, power conversion module 302 is that AC220V turns DC24V conversion module, digital communication pressure
The DC24V power supply power supply that power table 2 is exported using power conversion module 302.
In a preferred embodiment, signal conversion processes unit 3 is inputted using AC220V power supply through power-supply filter 303
Power supply, filter 303 use AC220V power-supply filter.
In a preferred embodiment, insulation changeover portion 1 is made of MC nylon material.
In a preferred embodiment, digital communication pressure gauge 2 uses RS485 type digital communication pressure gauge, provides telecommunications
Number output and standard MODBUS communications protocol.
In a preferred embodiment, electrical/optical conversion module 301 turns optic fiber converter ADAM-4541 using RS485.
In a preferred embodiment, it is (such as remote by optical fiber to be connected to remote supervisory and control(ling) equipment for electrical/optical conversion module 301
Range monitoring computer), optical fiber uses 62.5/125 μm of multimode fibre (fiber-optic signal wavelength 820nm).
In a preferred embodiment, the joint categories of optical fiber is ST.
In a preferred embodiment, signal conversion processes unit 3 is mounted in shield machine box, and bulk shielding performance exists
20MHz~10GHz frequency range is not less than 40dB.
In a preferred embodiment, a kind of high-power microwave source strong electromagnetic ambient pressure measuring device, the measurement dress
It sets and is made of digital communication pressure gauge 2, insulation changeover portion 1 and 3 three parts of signal conversion processes unit.Digital communication pressure gauge 2
By insulating, changeover portion 1 is mounted on the metal outer cylinder of the source HPM, and acquisition air pressure signal conversion process output RS485 signal is connected to
The measuring signal of signal conversion processes unit 3 inputs；The interior installation AC220V power-supply filter 303 of signal conversion processes unit 3,
AC220V/DC24V power conversion module 302 and RS485 turn fiber optic communication electrical/optical conversion module 301；Signal conversion processes unit
3 measuring signal input is connected to the data communication port (DATA+, DATA-) that RS485 turns fiber optic telecommunications module, by electrical/optical
The signal of conversion process turns the optical port (RX, TX) of fiber optic telecommunications module by RS485, is connected to long-range monitoring using multimode fibre
Computer.Digital communication pressure gauge 2 uses standard MODBUS RTU communications protocol, field measure-control unit or remotely monitors computer
Software, which is read, according to agreement establishment carries out air pressure acquisition and analysis.The AC220V power supply that system provides is connected to signal conversion processes
3 power input of unit is connected to AC220V/DC24V power conversion module by its internal AC220V power-supply filter 303 installed
302, power conversion module 302, which exports two-way and is respectively connected to RS485, turns fiber optic communication electrical/optical conversion module 301 and pressure gauge
Power input.Air pressure measuring apparatus is using operational process:
1. device is installed: digital communication pressure gauge 2 is mounted on the metal outer cylinder of the source HPM by the changeover portion 1 that insulate, and is exported
RS485 signal wire and DC24V power input line are connected to four core sockets of signal conversion processes unit 3 by four core connectors,
The fiber optic data communication interface of signal conversion processes unit 3 is connected to long-range monitoring computer, AC220V electricity by two root multimode fibers
Source line is connected to 3 power input interface of signal conversion processes unit.
2. device powers on: connection air pressure measuring apparatus first inputs AC220V power supply, then closure signal conversion process list
First 3 power switches.
3. device initialization: air pressure measuring apparatus is connected to remote monitoring computer, monitoring meter by two root multimode fibers
Calculation machine completes barometric functional parameter setting according to the matched standard MODBUS RTU communications protocol of digital communication pressure gauge 2
(address, communication speed, communication data message format, filter constant, decimal maximum figure place showing and unit).
4. device measures: when the source HPM system is run, air gauge acquires atmospheric pressure value in the pressure vessel of the source HPM in real time, according to logical
It interrogates and reads data format packing acquisition data, the returned data when receiving remote monitoring and calculating the instruction of machine-readable pressure value in agreement
Packet.
In a preferred embodiment, high-power microwave source air pressure measuring apparatus of the invention, including insulation changeover portion 1,
Digital communication pressure gauge 2, signal conversion processes unit 3, signal conversion processes unit 3 include electrical/optical conversion module 301, power supply
Conversion module 302 and filter 303.Digital communication pressure gauge 2 is mounted on pressure vessel by the changeover portion 1 that insulate, pressure gauge
Acquisition signal export the electrical/optical conversion module 301 that is connected in signal conversion processes unit 3, the power input of pressure gauge is by believing
Power conversion module 302 in number conversion processing unit 3 provides, the processed barometric surveying signal of electrical/optical conversion module 301 warp
The output of 3 optical fiber interface of signal conversion processes unit.External power supply is connected to signal conversion processes unit 3, by signal conversion processes list
Filter 303 in member 3 is connected to power conversion module 302.
Pressure gauge uses RS485 type digital communication pressure gauge, and insulation changeover portion 1 selects MC nylon material, electrical/optical modulus of conversion
Block 301 turns optic fiber converter ADAM-4541 using RS485, and power conversion module 302 turns DC24V module using AC220V, filters
Device 303 uses AC220V power-supply filter；Optical fiber uses 62.5/125 μm of multimode fibre (fiber-optic signal wavelength 820nm), optical fiber
Interface selects integrated electro converter HFBR-1414 (transmitting)/HFBR-2412 (reception), and fibre-optical splice type is ST；Signal turns
Processing unit 3 is changed using customization shield machine box installation, bulk shielding performance is not less than 40dB in 20MHz~10GHz frequency range.
The present invention is high-power microwave source air pressure measuring apparatus, has carried out high-power microwave source related application poster presentation and has tested
Confirmatory test, in electron beam source working frequency 1Hz~tens of Hz, run duration 1s~tens of s, working output voltage hundreds of thousand
It lies prostrate, the tens of kilo-amperes of electric current, power GW magnitude, obtain following result under the conditions of tens of ns of pulse width or so: a kind of high power is micro-
Wave source air pressure measuring apparatus acquires pressure vessel atmospheric pressure value in real time, while teletransmission is to monitoring Computer display, long-term repeated work
Stablize, reliable performance.
The purpose of the present invention is accounting in terms of electromagnetic shielding, filtering and ground connection three, a kind of barometric surveying dress is designed
It sets, the reliable barometric surveying for realizing HPM source strength electromagnetic environment.In order to overcome existing air pressure measuring apparatus to be unable to satisfy at a distance
Number passes and works in the deficiency of strong electromagnetic interference environment, and the present invention provides a kind of air pressure measuring apparatus, which is not only able to achieve
Remote transmission and air pressure data, additionally it is possible in HPM source strength electromagnetic environment reliably working.
Air pressure measuring apparatus of the invention is compared with prior art: installing pressure gauge, mistake due to using insulation changeover portion 1
It crosses section and selects MC nylon material, effectively measuring device can be isolated with the source HPM high pressure for good insulation performance, while its
Intensity is higher, ensure that the leakproofness of interface；Using digital communication pressure gauge 2, electric signal output and standard MODBUS are provided
RTU communications protocol realizes pressure signal teletransmission, transmission range is up to 2.5km by electrical/optical conversion process.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device, it is characterised in that: including digital communication pressure gauge, absolutely
Edge changeover portion and signal conversion processes unit；Wherein, signal conversion processes unit includes electrical/optical conversion module, power supply modulus of conversion
Block and filter；
Digital communication pressure gauge is mounted on pressure vessel by the changeover portion that insulate；
Digital communication pressure gauge is connect with electrical/optical conversion module；Power conversion module is arranged in electrical/optical conversion module and filter
Between.
2. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 1, it is characterised in that: absolutely
Edge changeover portion is all made of with digital communication pressure gauge and pressure vessel and is threadedly coupled.
3. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 1, it is characterised in that: electricity
Source conversion module is that AC220V turns DC24V conversion module.
4. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 1 or 3, feature exist
In: filter uses AC220V power-supply filter.
5. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 1, it is characterised in that: absolutely
Edge changeover portion is made of MC nylon material.
6. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 1, it is characterised in that: number
Word pressure communication table uses RS485 type digital communication pressure gauge.
7. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 6, it is characterised in that:
Electrical/optical conversion processing module turns optic fiber converter ADAM-4541 using RS485.
8. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 1, it is characterised in that:
Electrical/optical conversion module is connected to remote supervisory and control(ling) equipment by optical fiber, and optical fiber uses 62.5/125 μm of multimode fibre.
9. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 8, it is characterised in that: light
Fine joint categories is ST.
10. a kind of high-power microwave source strong electromagnetic ambient pressure measuring device according to claim 1, it is characterised in that:
Signal conversion processes unit is mounted in shield machine box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567019.9A CN109443628A (en) | 2018-12-20 | 2018-12-20 | A kind of high-power microwave source strong electromagnetic ambient pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567019.9A CN109443628A (en) | 2018-12-20 | 2018-12-20 | A kind of high-power microwave source strong electromagnetic ambient pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443628A true CN109443628A (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567019.9A Pending CN109443628A (en) | 2018-12-20 | 2018-12-20 | A kind of high-power microwave source strong electromagnetic ambient pressure measuring device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201724773U (en) * | 2010-04-09 | 2011-01-26 | 协钢工业股份有限公司 | Pressure gauge with communication function |
| CN102510271A (en) * | 2011-11-18 | 2012-06-20 | 中国工程物理研究院应用电子学研究所 | Microwave power synthesis method |
| CN102721505A (en) * | 2012-06-01 | 2012-10-10 | 西安交通大学 | Barometric distribution measuring device based on light interference |
| CN102928711A (en) * | 2012-11-01 | 2013-02-13 | 中联重科股份有限公司 | Broadband synchronous online measurement system for conductive electromagnetic disturbance of engineering machinery |
| CN105527050A (en) * | 2015-12-29 | 2016-04-27 | 广东工业大学 | Wireless rechargeable ZigBee network air pressure sensor |
| CN105717403A (en) * | 2014-12-04 | 2016-06-29 | 国家电网公司 | Insulation fault monitoring system for cell array |
| CN209102266U (en) * | 2018-12-20 | 2019-07-12 | 中国工程物理研究院应用电子学研究所 | A kind of high-power microwave source strong electromagnetic ambient pressure measuring device |
-
2018
- 2018-12-20 CN CN201811567019.9A patent/CN109443628A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201724773U (en) * | 2010-04-09 | 2011-01-26 | 协钢工业股份有限公司 | Pressure gauge with communication function |
| CN102510271A (en) * | 2011-11-18 | 2012-06-20 | 中国工程物理研究院应用电子学研究所 | Microwave power synthesis method |
| CN102721505A (en) * | 2012-06-01 | 2012-10-10 | 西安交通大学 | Barometric distribution measuring device based on light interference |
| CN102928711A (en) * | 2012-11-01 | 2013-02-13 | 中联重科股份有限公司 | Broadband synchronous online measurement system for conductive electromagnetic disturbance of engineering machinery |
| CN105717403A (en) * | 2014-12-04 | 2016-06-29 | 国家电网公司 | Insulation fault monitoring system for cell array |
| CN105527050A (en) * | 2015-12-29 | 2016-04-27 | 广东工业大学 | Wireless rechargeable ZigBee network air pressure sensor |
| CN209102266U (en) * | 2018-12-20 | 2019-07-12 | 中国工程物理研究院应用电子学研究所 | A kind of high-power microwave source strong electromagnetic ambient pressure measuring device |
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