CN106656378A - RF environment automatic calibration device - Google Patents
RF environment automatic calibration device Download PDFInfo
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- CN106656378A CN106656378A CN201611166086.0A CN201611166086A CN106656378A CN 106656378 A CN106656378 A CN 106656378A CN 201611166086 A CN201611166086 A CN 201611166086A CN 106656378 A CN106656378 A CN 106656378A
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- radio frequency
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- 239000007864 aqueous solution Substances 0.000 claims description 6
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- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
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- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical class CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 claims description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 2
- -1 borontrifluoride Boron diformazan Chemical compound 0.000 claims description 2
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 claims description 2
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- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
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- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
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- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
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- BXJPTTGFESFXJU-UHFFFAOYSA-N yttrium(3+);trinitrate Chemical class [Y+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O BXJPTTGFESFXJU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an RF environment automatic calibration device. The RF environment automatic calibration device comprises a box body which is internally provided with a power module, a main control module, a single-pole multi-throw coaxial mechanical RF switch module and a double-pole double-throw mechanical RF switch module; a display module, an external interface module, meter interfaces and RF environment interfaces are arranged at the outer sidewalls of the box body; the RF environment interfaces are connected with the single-pole multi-throw coaxial mechanical RF switch module; the single-pole multi-throw coaxial mechanical RF switch module is connected with the double-pole double-throw mechanical RF switch module through an RF wire; the single-pole multi-throw coaxial mechanical RF switch module and the double-pole double-throw mechanical RF switch module are connected with the main control module respectively; and the meter interfaces are connected with the double-pole double-throw mechanical RF switch module. Through controlling the switching action of the single-pole multi-throw coaxial mechanical RF switch module and the double-pole double-throw mechanical RF switch module, the RF environment automatic calibration device has the characteristics such as simple operation, convenient maintenance, high extendibility and high universality, and particularly is low in cost price and suitable for industrialization.
Description
Technical field
The invention belongs to communication technical field, and in particular to a kind of radio frequency environment self-checking device.
Background technology
With the development of wireless communication technique, the function more sophisticated of communication equipment, for the radio frequency of wireless communication system
Test it is also proposed higher requirement, and particularly with 4G, 5G communication system, RF index quantity is more, and index request is high, tests
Need to build multiple test environments in journey.And number of antennas is from two antennas to four antennas, eight antennas, or even increase 64 days
More than line, the specific performance performance in test process every time under wireless channel environment requires higher.Weigh at present and wirelessly set
The standby test system under channel circumstance, basic by the way of baseband channel simulation, emphasis characterizes terminal and runs in systems
And the performance such as handover between cells.This baseband channel simulated testing system, specifically increases channel mould using digital algorithm in base band
Type, by mixed analog channel circumstance.
Existing baseband channel simulated testing system, due to needing to increase complicated channel simulation algorithm, to base band software and hardware
Requirement it is very high, the cost for bringing is very expensive, and because port number is limited to Baseband algorithms, it is impossible to provide enough ports
Carry out the test limitation that the impact of difference between itself port of accurate characterization communication equipment for system etc. brings.
The content of the invention
It is an object of the invention to provide a kind of radio frequency environment self-checking device, for realizing wireless telecommunications radio frequency testing ring
The auto-calibration in border, is particularly suitable for the calibration of wireless communication RF automatic test environment, reduces the work of calibration process
Measure, reduce destruction of the calibration process to cable and environment；Simultaneously framework of the present invention is simple, can flexible wanting according to test environment
Ask to customize input/output port, measure accurate, highly reliable.
To achieve the above object of the invention, the technical solution used in the present invention is：A kind of radio frequency environment self-checking device, bag
Include casing；The box house is provided with power module, main control module, hilted broadsword more throws coaxial mechanical RF switch module and double-pole is double
Throw mechanical RF switch module；The casing lateral wall arranges display module, external interface module, instrumentation tap and radio frequency ring
Border interface；Radio frequency environment interface being thrown coaxial mechanical RF switch module more with the hilted broadsword and being connected by radio frequency line；The hilted broadsword
Throw coaxial mechanical RF switch module to be connected with the DPDT mechanical RF switch module by radio frequency line more；The hilted broadsword
Throw coaxial mechanical RF switch module more and DPDT mechanical RF switch module is connected respectively with main control module；Instrumentation tap
It is connected with the DPDT mechanical RF switch module by radio frequency line.
In above-mentioned technical proposal, the power module is substantially carried out voltage transformation, is connected with main control module, display module,
Corresponding operating voltage is provided, connected mode is prior art.
In above-mentioned technical proposal, the display module is the device of calibrating installation display information and the information that receives, generally
Man-machine interface；Preferably, the man-machine interface includes LCDs and keyboard.Display module is by custom circuit and master control mould
Block is connected, and can arrange the switching information of port, the system information of calibrating installation such as IP, time etc. and show between present port
The information such as differential loss.
In above-mentioned technical proposal, coaxial mechanical RF switch module being thrown the hilted broadsword including throwing coaxial machine two hilted broadswords more more
Tool RF switch, each switch carries communication interface, is electrical connected with main control module by communication interface, can receive control letter
Breath carries out the setting of switching channels；Two switch rooms are connected using radio frequency line.
In above-mentioned technical proposal, the DPDT mechanical RF switch module is opened including a DPDT mechanical RF
Close, switch carries communication interface, is electrical connected with main control module by communication interface, and can receive control information carries out switching channels
Setting, it is preferable with the inside for realizing instrument port.
Preferably, the casing lateral wall is provided with thermal dispersant coatings；The preparation method of the thermal dispersant coatings is, by polystyrene
Microballoon is dispersed in deionized water, is subsequently adding propilolic alcohol；Stirring 20 minutes, adds sodium acid carbonate to adjust pH value to 8.5；Then
Tetraethoxysilane, 3- aminopropyl triethoxysilanes are added, is stirred 60 minutes, be subsequently adding the complexing of boron trifluoride dimethanol
Thing；95 DEG C are stirred 70 minutes；Then filter, filter cake is washed with deionized again after being washed with ethanol and obtains solids；Solids
With addition of yttrium nitrate, boron nitride pressure ball, then powder is obtained after 1050 DEG C are heat-treated 20 minutes；Powder is scattered in into ethanol
In, Aqueous Solutions of Polyethylene Glycol is added, after 120 DEG C are stirred 3 hours, filtration drying obtains compounded mix；By acrylic acid, N- hydroxyl first
Base acrylamide, acetic acid alkene butyl ester, methine succinic acid, vinyl phosphonic dimethyl phthalate, water are well mixed, and 85 DEG C of reactions 3 are little
When；It is subsequently adding double-trimethylolpropane tetra-acrylate, isomerous tridecanol polyoxyethylene ether, N, N'- carbonyl dimidazoles, 1,
4- butanediols, stirring is added dropwise ammonium persulfate aqueous solution after 25 minutes, react 2 hours；Add compounded mix and ethanol/water mixing
Liquid, 95 DEG C are stirred 2 hours；Prepare coating；Coating is coated on into casing lateral wall, infra-red drying obtains thermal dispersant coatings.
In above-mentioned technical proposal, the external interface module includes Ethernet interface, RS232 interfaces, after being normally at casing
Side, can be fixed by screws in the rear board part of casing, be connected with main control module by conventional electrical circuit.It is preferred that
, device is provided with the radiating module including ventilating opening and electric fan, so as to internal components heat dissipation ventilation；Power module is to electronic
Fan is powered, and electric fan is typically mounted at wall box.
In the present invention, main control module has logic control function, mainly includes one group of MCU process chip and storage circuit,
It is connected with the external interface module, display module；Described main control module throws coaxial machine more by cable with described hilted broadsword
Tool radio-frequency switch module is connected with DPDT mechanical RF switch module, is provided according to external interface module, display module
Switching information, controls to throw the action of coaxial mechanical RF switch module and DPDT mechanical RF switch module hilted broadsword more.This
Art personnel with commercial main control module, or can carry out simple designs on the basis of existing main control module as needed.
Because above-mentioned technical proposal is used, the present invention has compared with prior art following advantages:
1., present invention firstly discloses a kind of radio frequency environment self-checking device, it is radio frequency environment automated calibration system, system tray
Structure is reasonable in design, and functional circuit is realized preferably, and systematic function is excellent, stable；It is particularly suitable for radio frequency testing environment line loss
Automatically calibration.
2. radio frequency environment auto-calibration device disclosed by the invention by throwing coaxial mechanical RF switch module hilted broadsword more
With the connection that DPDT mechanical RF switch module realizes test environment input port, delivery outlet and test instrumentation, device has
Can bear that power is big, flatness is high, the advantage that Insertion Loss is little, it is applied widely.
3. radio frequency environment self-checking device disclosed by the invention can carry out inside and cut to two ports for connecting instrument
Change, realize the two-way calibration of tested environment line loss；The instrument that calibration is used not only can be vector network analyzer, it is also possible to
Using frequency spectrograph plus signal source, by the control to DPDT mechanical RF switch module, realize inside device to two
The switching of instrument.
4. radio frequency environment self-checking device disclosed by the invention can be measured to itself differential loss, and realization was calibrated
The full-automation of journey；The radio frequency line interconnected between two single pole multiple throws in coaxial mechanical RF switch module is thrown hilted broadsword more, it is real
The loopback of device itself is showed, the line loss of all passages of whole machine has been obtained by measuring the line loss of loop-back path；Device is in peace
Need to ensure different interchannel differential loss errors +/- 0.1dB during dress.
Description of the drawings
Fig. 1 is a kind of structural representation of radio frequency environment auto-calibration device of embodiment；
Fig. 2 is a kind of backsight structural representation of radio frequency environment auto-calibration device of embodiment；
Wherein：Casing 1, power module 2, main control module 3, DPDT mechanical RF switch module 4, LCDs 5, keyboard
6th, the throw switch 7 of hilted broadsword five, the throw switch 8 of hilted broadsword nine, Ethernet interface 9, RS232 interfaces 10, instrumentation tap 11, radio frequency environment interface
12nd, ventilating opening 13, electric fan 14, external power source interface 15.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment one
Referring to accompanying drawing 1-2, one kind is used for radio frequency testing auto-calibration device, including casing 1；Box house is provided with power module
2nd, coaxial mechanical RF switch module and DPDT mechanical RF switch module 4, radiating module are thrown main control module 3, hilted broadsword more；
Casing lateral wall arranges display module, external interface module；Display module is fixed on the front-facing portion of casing, and by electronics
Circuit is connected with main control module, is man-machine interface, including LCDs 5 and keyboard 6；DPDT mechanical RF switch module
For a double-point double-throw switch, coaxial mechanical RF switch module, instrumentation tap are thrown respectively by radio frequency line more with hilted broadsword and are connected,
It is electrically connected with main control module, and is fixed by screws in box house；Coaxial mechanical RF switch module is thrown hilted broadsword for one more
The throw switch 7 of individual hilted broadsword five and a throw switch 8 of hilted broadsword nine, by radio frequency line respectively with DPDT mechanical RF switch module,
Radio frequency environment interface is connected, and is connected using radio frequency line between the throw switch of hilted broadsword five and a throw switch of hilted broadsword nine, with main control module
It is electrically connected with, and is fixed by screws in box house；External interface module includes Ethernet interface 9, RS232 interfaces 10, passes through
Screw is fixed on the rear board part of casing, is connected with main control module by electronic circuit；Casing lateral wall arranges instrumentation tap
11 and radio frequency environment interface 12（Wherein radio frequency environment input port eight, delivery outlet four, all using same sign, only mark
At note one）, remaining element matches therewith conventional connection；Radiating module includes ventilating opening 13 and electric fan 14, and power module is given
Electric fan is powered, and electric fan is arranged on wall box, so as to internal components heat dissipation ventilation；Main control module is mainly to include
The circuit board of MCU processors and memory device, is fixed by screws in box house, according to external interface module, display module
The switch control rule information of offer, control hilted broadsword more throw coaxial mechanical RF switch module and DPDT mechanical RF switch module
Switch motion；Power module is conventional voltage translation circuit, with external power source interface 15, is fixed by screws in casing
Portion, is connected by electronic circuit with main control module, display module, there is provided corresponding operating voltage.
Instrumentation tap and radio frequency environment interface by radio frequency line respectively with DPDT mechanical RF switch module and list
Throwing coaxial mechanical RF switch module knife to be connected, wherein the instrumentation tap connection DPDT mechanical RF of connecting test instrument more
1 and 4 radio frequency mouths of switch module, coaxial mechanical RF switch module is thrown hilted broadsword by radio frequency line and DPDT mechanical RF more
2 and 3 radio frequency mouths of switch module connect, and hilted broadsword coaxial mechanical RF switch module and DPDT mechanical RF switching molding are thrown more
Block is connected respectively with main control module, and display module, external interface module are connected respectively by circuit with main control module, each module it
Between electric connection and data wire be connected as this area and routinely connect, in order to accompanying drawing understands succinctly, some conventional connections and
Conventional mounting means is not shown；Simultaneously in order to clearly show that box inner structure, casing protecgulum is removed in accompanying drawing 1, is
Figure below, is overall structure during practical application.
Present invention connection frequency spectrograph and signal source carry out two of environment calibration, frequency spectrograph and signal source difference attachment means
Instrument port, the output interface connection throw switch of hilted broadsword five of user environment, the input interface connection hilted broadsword nine of user environment is thrown out
Close, user travels through each combination by local touch-screen or the throw switch of automatic program control hilted broadsword five and the throw switch of hilted broadsword nine
Mode, measurement finishes rear device and automatically controls double-point double-throw switch switching, realizes that user environment is reversely calibrated；Connected vector network
Analyzer carries out environment calibration, and two instrument ports of attachment means, Yong Huhuan are distinguished in two ports of vector network analyzer
The output interface connection throw switch of hilted broadsword five in border, the input interface connection throw switch of hilted broadsword nine of user environment, user is by local
Touch-screen or the throw switch of automatic program control hilted broadsword five and the throw switch of hilted broadsword nine travel through each combination, and user is by control
Vector network analyzer processed completes S21 and S12 measurements, realizes forward and reverse calibration of user environment.
Embodiment two
A kind of auto-calibration device of radio frequency testing, including casing, inside is provided with power module, main control module, two hilted broadswords
Nine throw switches and double-point double-throw switch, a radiating module；Casing lateral wall arranges display module, external interface module（Too net
Mouth, RS232 interfaces）, instrumentation tap and radio frequency environment interface；Display module is fixed on the front-facing portion of casing, and passes through
Electronic circuit is connected with main control module, is man-machine interface, including LCDs and keyboard；The throw switch of hilted broadsword nine and DPDT
Switch input and output are respectively connected with by communication interface radio frequency sub-miniature A connector by radio frequency line, are electrically connected with main control module, and
It is fixed by screws in box house；In radio frequency environment interface, radio frequency environment input port eight, delivery outlet four, remaining element
Match therewith conventional connection；Radiating module includes ventilating opening and electric fan；Main control module includes MCU processors and deposits for main
The circuit board of memory device, is fixed by screws in box house, according to the switch control rule that external interface module, display module are provided
Information, controls to throw the switch motion of coaxial mechanical RF switch module and DPDT mechanical RF switch module hilted broadsword more；Electricity
Source module is conventional voltage translation circuit, with external power source interface, box house is fixed by screws in, by electronic circuit
It is connected with main control module, display module, there is provided corresponding operating voltage.
Instrumentation tap and radio frequency environment interface by radio frequency line respectively with DPDT mechanical RF switch module and list
Throwing coaxial mechanical RF switch module knife to be connected, wherein the instrumentation tap connection DPDT mechanical RF of connecting test instrument more
1 and 4 radio frequency mouths of switch module, coaxial mechanical RF switch module is thrown hilted broadsword by radio frequency line and DPDT mechanical RF more
2 and 3 radio frequency mouths of switch module connect, and hilted broadsword coaxial mechanical RF switch module and DPDT mechanical RF switching molding are thrown more
Block is connected respectively with main control module, and display module, external interface module are connected respectively by circuit with main control module, each module it
Between electric connection and data wire be connected as this area and routinely connect.
During concrete application, connection frequency spectrograph and signal source carry out environment calibration, frequency spectrograph and signal source difference attachment means
Two instrument ports, the output interface of user environment connects one of throw switch of hilted broadsword nine, the input interface of user environment
Connect another throw switch of hilted broadsword nine, user travels through each by local touch-screen or the throw switch of automatic program control hilted broadsword nine
Combination is planted, measurement finishes rear device and automatically controls double-point double-throw switch switching, realizes that user environment is reversely calibrated；Connection arrow
Amount Network Analyzer carries out environment calibration, and two instrument ports of attachment means are distinguished in two ports of vector network analyzer,
The output interface of user environment connects one of throw switch of hilted broadsword nine, and the input interface of user environment connects another hilted broadsword nine
Throw switch, user travels through each combination, user by local touch-screen or the throw switch of automatic program control hilted broadsword nine
S21 and S12 measurements are completed by controlling vector network analyzer, forward and reverse calibration of user environment is realized.
Embodiment three
Using embodiment one for radio frequency testing auto-calibration device, difference is that casing lateral wall is provided with thermal dispersant coatings；
100g polystyrene microspheres are dispersed in deionized water, 20g propilolic alcohols are subsequently adding；Stirring 20 minutes, adds sodium acid carbonate
PH value is adjusted to 8.5；It is subsequently adding 500g tetraethoxysilanes, 200g3- aminopropyl triethoxysilanes, stirs 60 minutes, so
600g boron trifluoride diformazan alcohol complexs are added afterwards；95 DEG C are stirred 70 minutes；Then filter, filter cake spends again after being washed with ethanol
Ion water washing obtains solids；500g solids with addition of 50g yttrium nitrates, 300g boron nitride pressure balls, then through 1050 DEG C of heat
Powder is obtained after processing 20 minutes；500g powders are scattered in ethanol, 1500g Aqueous Solutions of Polyethylene Glycol is added（12wt%）,
After 120 DEG C are stirred 3 hours, filtration drying obtains compounded mix；By 100g acrylic acid, 60gN- NMAs, 80g second
Sour alkene butyl ester, 20g methine succinic acid, 60g vinyl phosphonic dimethyl phthalates, 2000g water are well mixed, and 85 DEG C are reacted 3 hours；
It is subsequently adding 50g pair-trimethylolpropane tetra-acrylate, 30g isomerous tridecanol polyoxyethylene ethers, 40gN, the miaow of N'- carbonyls two
Azoles, 90g1,4- butanediols, stirring is added dropwise 100g ammonium persulfate aqueous solutions after 25 minutes（0.1wt%）, react 2 hours；Add
260g compounded mixs and 500g ethanol/water mixed liquors（1∶1）, 95 DEG C are stirred 2 hours；Prepare coating；Coating is coated
In casing lateral wall, 90 DEG C of infra-red dryings obtain thermal dispersant coatings.
The present invention is by being polymerized, the technique of sintering prepares inorganic powder, about 50 nanometers of particle diameter, narrowly distributing, while
With loose structure, especially, have hydrophilic macromers organic matter by processing hole wall, be conducive to the boundary of organic matter and inorganic matter
Face is reacted, and increases the stability of organic-inorganic system.In coating research and production process, inorganic additive is usually used, this
The cost of product can not only be reduced, and some performances of coating can also be improved；However, due to inorganic filler and organic polymer
Significant difference is there is in chemical constitution and physical aspect, both lack compatibility, often receive coating article performance
To impact.The present invention makes surface of inorganic particles become lipophile by hydrophily by adding the modified compounded mix for especially processing,
So as to improve the combination property of coating, bonding force reaches 1 grade, and heat distortion temperature reaches 143 degree, and heat-sinking capability is strong, heat conduction
Coefficient reaches 1.6W/mK.
Present invention achieves the radio frequency environment self-checking device of multi-channel input mouth multiple-channel output port, art technology
Personnel can write control program according to the demand of radio frequency testing environment, be communicated by Ethernet interface, RS232 interfaces, pass through
The switch motion of coaxial mechanical RF switch module and DPDT mechanical RF switch module being thrown control hilted broadsword, with operation more
Simply, safeguard convenient, the features such as extensibility and high versatility, especially cost price is low, be adapted to industrialization.
Claims (10)
1. a kind of radio frequency environment self-checking device, it is characterised in that：The radio frequency environment self-checking device includes casing；Institute
State box house and be provided with power module, main control module, hilted broadsword more and throw coaxial mechanical RF switch module and DPDT machinery is penetrated
Frequency switch module；The casing lateral wall arranges display module, external interface module, instrumentation tap and radio frequency environment interface；
Radio frequency environment interface being thrown coaxial mechanical RF switch module more with the hilted broadsword and being connected by radio frequency line；Throwing coaxial the hilted broadsword more
Mechanical RF switch module is connected by radio frequency line with the DPDT mechanical RF switch module；Throwing coaxial the hilted broadsword more
Mechanical RF switch module and DPDT mechanical RF switch module are connected respectively with main control module；Instrumentation tap passes through radio frequency
Line is connected with the DPDT mechanical RF switch module.
2. radio frequency environment self-checking device according to claim 1, it is characterised in that：The display module, external interface
Module is connected respectively by circuit with main control module.
3. radio frequency environment self-checking device according to claim 1, it is characterised in that：The display module is man-machine boundary
Face.
4. radio frequency environment self-checking device according to claim 1, it is characterised in that：Throwing same shaft mechanical the hilted broadsword to penetrate more
Frequency switch module includes throwing coaxial mechanical RF switch two hilted broadswords more；The DPDT mechanical RF switch module includes one
Individual DPDT mechanical RF switch.
5. radio frequency environment self-checking device according to claim 1, it is characterised in that：Throwing same shaft mechanical the hilted broadsword to penetrate more
Frequency switch module is electrical connected by communication interface with main control module；The DPDT mechanical RF switch module is by communication
Interface is electrical connected with main control module.
6. radio frequency environment self-checking device according to claim 1, it is characterised in that：The external interface module include with
Too network interface, RS232 interfaces.
7. radio frequency environment self-checking device according to claim 1, it is characterised in that：The casing lateral wall is provided with radiating
Coating.
8. radio frequency environment self-checking device according to claim 7, it is characterised in that：The preparation method of the thermal dispersant coatings
For, polystyrene microsphere is dispersed in deionized water, it is subsequently adding propilolic alcohol；Stirring 20 minutes, adds sodium acid carbonate to adjust
PH value is to 8.5；Tetraethoxysilane, 3- aminopropyl triethoxysilanes are subsequently adding, are stirred 60 minutes, be subsequently adding borontrifluoride
Boron diformazan alcohol complex；95 DEG C are stirred 70 minutes；Then filter, filter cake is washed with deionized again after being washed with ethanol to be consolidated
Body thing；Then solids obtains powder with addition of yttrium nitrate, boron nitride pressure ball after 1050 DEG C are heat-treated 20 minutes；By powder
In being scattered in ethanol, Aqueous Solutions of Polyethylene Glycol is added, after 120 DEG C are stirred 3 hours, filtration drying obtains compounded mix；By third
Olefin(e) acid, N hydroxymethyl acrylamide, acetic acid alkene butyl ester, methine succinic acid, vinyl phosphonic dimethyl phthalate, water are well mixed,
85 DEG C are reacted 3 hours；It is subsequently adding double-trimethylolpropane tetra-acrylate, isomerous tridecanol polyoxyethylene ether, N, N'- carbonyls
Base diimidazole, BDO, stirring is added dropwise ammonium persulfate aqueous solution after 25 minutes, react 2 hours；Add compounded mix and
Ethanol/water mixed liquor, 95 DEG C are stirred 2 hours；Prepare coating；Coating is coated on into casing lateral wall, infra-red drying is obtained final product
To thermal dispersant coatings.
9. radio frequency environment self-checking device according to claim 1, it is characterised in that：The automatic calibration cartridge of the radio frequency environment
Put including radiating module.
10. radio frequency environment self-checking device according to claim 9, it is characterised in that：The radiating module is by ventilating opening
And electric fan composition；The electric fan is arranged on box inside wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166086.0A CN106656378A (en) | 2016-12-16 | 2016-12-16 | RF environment automatic calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166086.0A CN106656378A (en) | 2016-12-16 | 2016-12-16 | RF environment automatic calibration device |
Publications (1)
| Publication Number | Publication Date |
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| CN106656378A true CN106656378A (en) | 2017-05-10 |
Family
ID=58823547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611166086.0A Pending CN106656378A (en) | 2016-12-16 | 2016-12-16 | RF environment automatic calibration device |
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| Country | Link |
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| CN (1) | CN106656378A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080242240A1 (en) * | 2007-03-14 | 2008-10-02 | Broadcom Corporation, A California Corporation | Calibration of wireless communication device |
| CN104601254A (en) * | 2014-12-18 | 2015-05-06 | 北京星河亮点技术股份有限公司 | Radio frequency switch matrix based signal source test system and method |
| CN206370837U (en) * | 2016-12-16 | 2017-08-01 | 苏州永安丰新能源科技有限公司 | A kind of radio frequency environment self-checking device |
-
2016
- 2016-12-16 CN CN201611166086.0A patent/CN106656378A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080242240A1 (en) * | 2007-03-14 | 2008-10-02 | Broadcom Corporation, A California Corporation | Calibration of wireless communication device |
| CN104601254A (en) * | 2014-12-18 | 2015-05-06 | 北京星河亮点技术股份有限公司 | Radio frequency switch matrix based signal source test system and method |
| CN206370837U (en) * | 2016-12-16 | 2017-08-01 | 苏州永安丰新能源科技有限公司 | A kind of radio frequency environment self-checking device |
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