CN208206860U - A kind of free space wave method measuring device - Google Patents
A kind of free space wave method measuring device Download PDFInfo
- Publication number
- CN208206860U CN208206860U CN201820823982.8U CN201820823982U CN208206860U CN 208206860 U CN208206860 U CN 208206860U CN 201820823982 U CN201820823982 U CN 201820823982U CN 208206860 U CN208206860 U CN 208206860U
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- Prior art keywords
- polarization conversion
- disk
- free space
- polarization
- measuring device
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Abstract
A kind of free space wave method measuring device, the utility model relates to the easy devices of a kind of free space wave method measurement soil, lake water and vegetation dielectric constant, it will solve the problems, such as that experimental cost height existing for free space wave method measuring device field studies and measurement period are long in existing laboratory.The measuring device includes transmitting antenna or receiving antenna, standing screw, polarization conversion disk, polarization conversion axle sleeve, U-bracket, polarization conversion support, attachment base, Quick-mounting board and tripod etc., antenna is fixed on polarization conversion disk, one end of U-bracket is rotatablely connected by polarization conversion axle sleeve and polarization conversion disk, the other end of U-bracket is fixed on attachment base, polarization conversion support is sleeved on horizon bar, the edge of polarization conversion disk is placed in changeover panel mouthpiece, and attachment base is mounted on tripod by Quick-mounting board.The cost of the utility model free space wave method measuring device is low, is easily installed and debugs, and shortens the measurement period of the easy variable element of measured target.
Description
Technical field
The utility model relates to the easy devices of a kind of free space wave method measurement soil, lake water and vegetation dielectric constant.
Background technique
Free space wave method is a kind of method of the measurement of species dielectric constant in frequency domain.Free space wave method, which has, to be opened
Determinand can both be moved in laboratory and be carried out by the feature of formula large area and macroscopic view, such method, can also be by measuring instrument
Position where taking measured object carries out not contact measurement.In general, carrying out the device of free space wave method measurement in laboratory
Extremely complex, it includes signal analyzer, antenna holder and servo-system, test control system, four frequency range electromagnetic horns, sample
Experimental bench and the absorbing material for preventing ambient enviroment from interfering.Obviously, this complicated test macro is subjected to indoor dismantling, removed
Fortune carries out field installation and debugging again, and then carries out the in situ measurement of field land surface target, will be present experimental cost height and
The long problem of measurement period, is unfavorable for the understanding to measured target short-term physical and chemical property.
Utility model content
The utility model is to solve reality existing for free space wave method measuring device field studies in existing laboratory
The long problem of at high cost and measurement period is tested, and a kind of free space wave method measuring device is provided.
The utility model free space wave method measuring device includes transmitting antenna or receiving antenna, standing screw, polarization turn
Removable disk, polarization conversion axle sleeve, U-bracket, polarization conversion support, attachment base, Quick-mounting board, tripod and cable, transmitting antenna or
Receiving antenna is fixed in the disk of polarization conversion disk by multiple standing screws, is connected with electricity on transmitting antenna or receiving antenna
Cable, uniformly opened on the disk week of polarization conversion disk there are four polarize location hole；
The U-bracket by polarization conversion axis, the first elbow bend, vertical rod, the second elbow bend and horizon bar according to
Secondary threaded connection forms lateral openings U-frame frame, and polarization conversion axle sleeve is sleeved on polarization conversion axis, and polarization conversion axle sleeve passes through
Screw is connected with polarization conversion disk, and polarization conversion axis passes through the axis hole of polarization conversion disk the center point and the rotation of polarization conversion disk connects
It connects；
The polarization conversion support is that integral structure is formed by bearing body and changeover panel mouthpiece, and changeover panel mouthpiece is located at branch
The top of pedestal, is provided with polarization locating slot on the outer wall of changeover panel mouthpiece, and bearing body is sleeved on horizon bar and by along water
The holding screw tightening position that flat bar is arranged radially, there are two pulley arranged side by side, polarization conversion disks for installation in changeover panel mouthpiece
Peripheral edge along being placed in changeover panel mouthpiece and and pulley contact, polarization Fixed latches insertion polarization locating slot and polarization conversion disk
On polarization positioning hole with the polarisation place of fixed polarization changeover panel；
The horizon bar of U-bracket is fixed on connection seating face, and attachment base is connect by screw with Quick-mounting board, Quick-mounting board and three
It is connected between the holder of foot prop using track fast-assembling.
The utility model free space wave method needs emitter and reception device, and transmitting antenna and receiving antenna are put respectively
It sets in measuring device, emitter and reception device are oppositely arranged.
Polarization conversion disk, polarization conversion axle sleeve, U-bracket and pole in the utility model free space wave method measuring device
Change conversion support and together constituted with a set of simple and practical polarization conversion device, this polarization conversion device is together with antenna
By attachment base and Quick-mounting board be installed to one with pitching and rotate horizontally and up and down height can flexible modulation commercialization three
On foot prop, polarization conversion and multi-angle transformation, meet polarization conversion required by Fresnel reflection law and multi-angle is surveyed
Amount, the high low adjustment of bracket avoid the near-field interference of antenna, ensure that the measurement accuracy of free space wave method.It is real
Not only reduce costs device itself with novel, be easy to make, installation and debugging, also greatly reduce field measurement at
This, but also the measurement period of the easy variable element of measured target is shortened, it is wild to solve current laboratory free space wave subtraction unit
Outer application there are the problem of, given full play to free space wave method in situ measurement soil moisture and salinity, the salinity of salt lake water body
And the actual effect of the water content and density of temperature and land vehicles.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model free space wave method measuring device；
Fig. 2 is the structural schematic diagram of U-bracket and polarization conversion support；
Fig. 3 is the main view of polarization conversion support；
Fig. 4 is the main view of polarization conversion disk.
Specific embodiment
Specific embodiment 1: present embodiment free space wave method measuring device include transmitting antenna or receiving antenna 1,
Standing screw 2, polarization conversion disk 3, polarization conversion axle sleeve 4, U-bracket 5, polarization conversion support 6, attachment base 7, Quick-mounting board 8, three
Foot prop 9 and cable 10, transmitting antenna or receiving antenna 1 are fixed in the disk of polarization conversion disk 3 by multiple standing screws 2,
Be connected with cable 10 on transmitting antenna or receiving antenna 1, uniformly opened on the disk week of polarization conversion disk 3 there are four polarize location hole
3-4；
The U-bracket 5 is by polarization conversion axis 5-1, the first elbow bend 5-2, vertical rod 5-3, the second elbow bend
5-4 and horizon bar 5-5, which is successively threadedly coupled, forms lateral openings U-frame frame, and polarization conversion axle sleeve 4 is sleeved on polarization conversion axis 5-
On 1, polarization conversion axle sleeve 4 is connected by screw with polarization conversion disk 3, and polarization conversion axis 5-1 passes through 3 the center point of polarization conversion disk
Axis hole 3-1 and polarization conversion disk 3 be rotatablely connected；
The polarization conversion support 6 is that integral structure is formed by bearing body 6-1 and changeover panel mouthpiece 6-5, changeover panel rank
Mouth 6-5 is located at the top of bearing body 6-1, and polarization locating slot 6-4, bearing body 6-1 set is provided on the outer wall of changeover panel mouthpiece 6-5
On horizon bar 5-5 and the holding screw 6-2 tightening position by being arranged radially along horizon bar 5-5, in changeover panel mouthpiece 6-5
Interior installation there are two pulley 6-3 arranged side by side, the peripheral edge of polarization conversion disk 3 along be placed in changeover panel mouthpiece 6-5 and with pulley 6-3
Contact, the polarization location hole 3-4 that polarization Fixed latches insertion polarizes on locating slot 6-4 and polarization conversion disk 3 are interior with fixed polarization
The polarisation place of changeover panel 3；
The horizon bar 5-5 of U-bracket 5 is fixed on 7 surface of attachment base, and attachment base 7 is connect by screw with Quick-mounting board 8, fastly
It is connected between loading board 8 and the holder of tripod 9 using track fast-assembling.
Present embodiment antenna 1 uses standard horn antenna or double-ridged horn antenna.
Specific embodiment 2: the present embodiment is different from the first embodiment in that the diameter of polarization conversion disk 3 is
255~265mm.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that transmitting antenna or reception day
Line 1 is fixed in the disk of polarization conversion disk 3 by four standing screws 2.
Specific embodiment 4: polarization conversion axis 5- unlike one of present embodiment and specific embodiment one to three
1 one end is threadedly coupled with the first elbow bend 5-2, and the other end of polarization conversion axis 5-1 is provided with circlip groove, and circlip setting exists
Axial position of the polarization conversion disk 3 on polarization conversion axis 5-1 is limited in circlip groove.
Present embodiment prevents polarization conversion axle sleeve from falling off by circlip.
Specific embodiment 5: polarization conversion axle sleeve unlike one of present embodiment and specific embodiment one to four
The material of 4 and polarization conversion axis 5-1 is No. 45 steel.
Specific embodiment 6: attachment base 7 unlike one of present embodiment and specific embodiment one to five is circle
Dish type.
Specific embodiment 7: the water of U-bracket 5 unlike one of present embodiment and specific embodiment one to six
Flat bar 5-5 is welded on 7 surface of attachment base.
Specific embodiment 8: transmitting antenna unlike one of present embodiment and specific embodiment one to seven or connecing
Antenna 1 is received to connect by cable 10 with vector network analyzer.
Embodiment: the present embodiment free space wave method measuring device include transmitting antenna or receiving antenna 1, standing screw 2,
Polarization conversion disk 3, polarization conversion axle sleeve 4, U-bracket 5, polarization conversion support 6, attachment base 7, Quick-mounting board 8, tripod 9 and electricity
Cable 10, transmitting antenna or receiving antenna 1 are fixed in the disk of polarization conversion disk 3 by four standing screws 2, transmitting antenna or
Cable 10 is connected on receiving antenna 1, uniformly opened on the disk week of polarization conversion disk 3 there are four polarize location hole 3-4；
The U-bracket 5 is by polarization conversion axis 5-1, the first elbow bend 5-2, vertical rod 5-3, the second elbow bend
5-4 and horizon bar 5-5, which is successively threadedly coupled, and spot welding is fixed forms lateral openings U-frame frame, horizon bar 5-5 and polarization conversion axis
5-1 is parallel, and polarization conversion axle sleeve 4 is sleeved on polarization conversion axis 5-1, and polarization conversion axle sleeve 4 passes through four M5 screws and pole
Change changeover panel 3 to be connected, polarization conversion axis 5-1 passes through the axis hole 3-1 of 3 the center point of polarization conversion disk and the rotation of polarization conversion disk 3 connects
It connects；
The polarization conversion support 6 is that integral structure is formed by bearing body 6-1 and changeover panel mouthpiece 6-5, changeover panel rank
Mouth 6-5 is located at the top of bearing body 6-1, and polarization locating slot 6-4, bearing body 6-1 set is provided on the outer wall of changeover panel mouthpiece 6-5
On horizon bar 5-5 and the holding screw 6-2 tightening position by being arranged radially along horizon bar 5-5, in changeover panel mouthpiece 6-5
Interior installation there are two pulley 6-3 arranged side by side, the peripheral edge of polarization conversion disk 3 along be placed in changeover panel mouthpiece 6-5 and with pulley 6-3
Contact, the polarization location hole 3-4 that polarization Fixed latches insertion polarizes on locating slot 6-4 and polarization conversion disk 3 are interior with fixed polarization
The position of changeover panel 3；
The horizon bar 5-5 of U-bracket 5 is fixed on 7 surface of attachment base, and attachment base 7 is connect by screw with Quick-mounting board 8, fastly
It is connected between loading board 8 and the holder of tripod 9 using track fast-assembling.
The present embodiment uses the tripod of model TR688V, which shrinks size up to 1700mm
680mm, foot prop net weight 1800g, 3~5kg of load-bearing, tripod can provide pitch angle required for free space wave method antenna and
The variation and locking of level orientation angle can also provide freely adjusting and lock for antenna height used in free space wave method
It is fixed.
Axis hole a 3-1, four axle sleeve fixing threaded hole 3-2, four days are provided in the disk of the present embodiment polarization conversion disk 3
Line fixation hole 3-3 and four polarization location hole 3-4, central axis hole 3-1 can pass through in the outer end polarization conversion axis 5-1, in favor of peace
Axle sleeve circlip is filled, axle sleeve fixing threaded hole 3-2 can convert axle sleeve 4 in fixed polarization, and antenna fixation hole 3-3 is used for fixed antenna 1, pole
Change the positioning function that location hole 3-4 completes polarization conversion together with the polarization locating slot 6-4 on polarization conversion support 6 by bolt
Energy.When work, the edge of polarization conversion disk 3 is among two pulleys in mouthpiece, and pulley is to polarization conversion disk 3 and antenna 1
Weight not only played a supporting role, but also convert it is polarized during play the role of reducing friction resistance.
Easy free space wave method measuring device is cheap described in the present embodiment, easily fabricated, and dismantles, transport
With it is easy for installation, the time that field assembles an emitter and a reception device is about 10 minutes, to reduce field
The cost of measurement shortens the measurement period of the easy variable element of measured target, has given full play to free space wave method in situ measurement soil
Earth humidity and salinity, the actual effect of the salinity and temperature of salt lake water body and the water content of land vehicles and density.
Claims (8)
1. free space wave method measuring device, it is characterised in that the free space wave method measuring device includes transmitting antenna or reception
Antenna (1), standing screw (2), polarization conversion disk (3), polarization conversion axle sleeve (4), U-bracket (5), polarization conversion support (6),
Attachment base (7), Quick-mounting board (8), tripod (9) and cable (10), transmitting antenna or receiving antenna (1) pass through multiple standing screws
(2) it is fixed in the disk of polarization conversion disk (3), is connected with cable (10) on transmitting antenna or receiving antenna (1), turn in polarization
Location hole (3-4) is polarized there are four uniformly opening on the disk week of removable disk (3)；
The U-bracket (5) is by polarization conversion axis (5-1), the first elbow bend (5-2), vertical rod (5-3), the second right angle
Elbow (5-4) and horizon bar (5-5), which are successively threadedly coupled, forms lateral openings U-frame frame, and polarization conversion axle sleeve (4) is sleeved on pole
Change on transaxle (5-1), polarization conversion axle sleeve (4) is connected by screw with polarization conversion disk (3), and polarization conversion axis (5-1) is worn
The axis hole (3-1) and polarization conversion disk (3) for crossing polarization conversion disk (3) the center point are rotatablely connected；
The polarization conversion support (6) is to form integral structure, changeover panel by bearing body (6-1) and changeover panel mouthpiece (6-5)
Mouthpiece (6-5) is located at the top of bearing body (6-1), and polarization locating slot (6-4) is provided on the outer wall of changeover panel mouthpiece (6-5),
Bearing body (6-1) is sleeved on horizon bar (5-5) and holding screw (6-2) tightening by being arranged radially along horizon bar (5-5)
Position, there are two pulleys (6-3) arranged side by side, the peripheral edge edge of polarization conversion disk (3) to be placed in for installation in changeover panel mouthpiece (6-5)
It is contacted in changeover panel mouthpiece (6-5) and with pulley (6-3), polarization Fixed latches insertion polarization locating slot (6-4) and polarization conversion
With the polarisation place of fixed polarization changeover panel (3) in polarization location hole (3-4) on disk (3)；
The horizon bar (5-5) of U-bracket (5) is fixed on attachment base (7) surface, and attachment base (7) is connected by screw and Quick-mounting board (8)
It connects, is connect between Quick-mounting board (8) and the holder of tripod (9) using track fast-assembling.
2. free space wave method measuring device according to claim 1, it is characterised in that the diameter of polarization conversion disk (3) is
255~265mm.
3. free space wave method measuring device according to claim 1, it is characterised in that transmitting antenna or receiving antenna (1)
It is fixed in the disk of polarization conversion disk (3) by four standing screws (2).
4. free space wave method measuring device according to claim 1, it is characterised in that one end of polarization conversion axis (5-1)
It is threadedly coupled with the first elbow bend (5-2), the other end of polarization conversion axis (5-1) is provided with circlip groove, and circlip is arranged in card
The axial position of polarization conversion disk (3) on polarization conversion axis (5-1) is limited in spring groove.
5. free space wave method measuring device according to claim 1, it is characterised in that polarization conversion axle sleeve (4) and polarization
The material of transaxle (5-1) is No. 45 steel.
6. free space wave method measuring device according to claim 1, it is characterised in that attachment base (7) is disc.
7. free space wave method measuring device according to claim 1, it is characterised in that the horizon bar (5- of U-bracket (5)
5) it is welded on attachment base (7) surface.
8. free space wave method measuring device according to claim 1, it is characterised in that transmitting antenna or receiving antenna (1)
It is connect by cable (10) with vector network analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823982.8U CN208206860U (en) | 2018-05-30 | 2018-05-30 | A kind of free space wave method measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823982.8U CN208206860U (en) | 2018-05-30 | 2018-05-30 | A kind of free space wave method measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208206860U true CN208206860U (en) | 2018-12-07 |
Family
ID=64516055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820823982.8U Withdrawn - After Issue CN208206860U (en) | 2018-05-30 | 2018-05-30 | A kind of free space wave method measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208206860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802119A (en) * | 2018-05-30 | 2018-11-13 | 中国科学院东北地理与农业生态研究所 | A kind of free space wave method measuring device |
-
2018
- 2018-05-30 CN CN201820823982.8U patent/CN208206860U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802119A (en) * | 2018-05-30 | 2018-11-13 | 中国科学院东北地理与农业生态研究所 | A kind of free space wave method measuring device |
| CN108802119B (en) * | 2018-05-30 | 2023-10-20 | 中国科学院东北地理与农业生态研究所 | Free space wave method measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181207 Effective date of abandoning: 20231020 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181207 Effective date of abandoning: 20231020 |