CN209102266U - 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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- CN209102266U CN209102266U CN201822142788.6U CN201822142788U CN209102266U CN 209102266 U CN209102266 U CN 209102266U CN 201822142788 U CN201822142788 U CN 201822142788U CN 209102266 U CN209102266 U CN 209102266U
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- strong electromagnetic
- pressure measuring
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Abstract
The utility model 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.The air pressure measuring apparatus of the utility model 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 utility model 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.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of high-power microwave source forceful electric power magnetic environment
Air pressure measuring apparatus.
The purpose of this utility model 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.
The air pressure measuring apparatus of the utility model has not only reached the purpose of remote monitoring pressure in real time container air pressure, also
The requirement applied to high-power microwave source strong electromagnetic interference environment is reached.
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
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to 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, the high-power microwave source air pressure measuring apparatus of the utility model, including insulation transition
Section 1, digital communication pressure gauge 2, signal conversion processes unit 3, signal conversion processes unit 3 include electrical/optical conversion module 301,
Power conversion module 302 and filter 303.Digital communication pressure gauge 2 is mounted on pressure vessel by the changeover portion 1 that insulate, and is pressed
The acquisition signal of power table exports the electrical/optical conversion module 301 being connected in signal conversion processes unit 3, the power input of pressure gauge
It is provided by the power conversion module 302 in signal conversion processes unit 3, the processed barometric surveying of electrical/optical conversion module 301 letter
Number through 3 optical fiber interface of signal conversion processes unit export.External power supply is connected to signal conversion processes unit 3, by signal conversion
Filter 303 in reason unit 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 utility model is high-power microwave source air pressure measuring apparatus, has carried out high-power microwave source related application technology and has drilled
Show verification test, in electron beam source working frequency 1Hz~tens of Hz, run duration 1s~tens of s, working output voltage number
Hundred kilovolts, the tens of kilo-amperes of electric current, power GW magnitude obtains following result under the conditions of tens of ns of pulse width or so: a kind of Gao Gong
Rate microwave source air pressure measuring apparatus acquires pressure vessel atmospheric pressure value in real time, while teletransmission repeats for a long time to Computer display is monitored
The operation is stable, reliable performance.
The purpose of this utility model is accounted in terms of electromagnetic shielding, filtering and ground connection three, and a kind of air pressure survey is designed
Measure device, 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 far
The deficiency of strong electromagnetic interference environment is passed and worked in apart from number, and the utility model provides a kind of air pressure measuring apparatus, and the device is not
Only it is able to achieve remote transmission and air pressure data, additionally it is possible in HPM source strength electromagnetic environment reliably working.
The air pressure measuring apparatus of the utility model is compared with prior art: installing pressure due to using insulation changeover portion 1
Table, changeover portion select MC nylon material, and effectively measuring device can be isolated with the source HPM high pressure for good insulation performance,
Its intensity is higher simultaneously, ensure that the leakproofness of interface；Using digital communication pressure gauge 2, electric signal output and standard are provided
MODBUS RTU communications protocol realizes pressure signal teletransmission, transmission range is up to 2.5km by electrical/optical conversion process.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
It is within the protection scope of the utility model.
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822142788.6U CN209102266U (en) | 2018-12-20 | 2018-12-20 | A kind of high-power microwave source strong electromagnetic ambient pressure measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822142788.6U CN209102266U (en) | 2018-12-20 | 2018-12-20 | A kind of high-power microwave source strong electromagnetic ambient pressure measuring device |
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| Publication Number | Publication Date |
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| CN209102266U true CN209102266U (en) | 2019-07-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443628A (en) * | 2018-12-20 | 2019-03-08 | 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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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443628A (en) * | 2018-12-20 | 2019-03-08 | 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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