CN215933801U - Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude - Google Patents
Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude Download PDFInfo
- Publication number
- CN215933801U CN215933801U CN202121373832.XU CN202121373832U CN215933801U CN 215933801 U CN215933801 U CN 215933801U CN 202121373832 U CN202121373832 U CN 202121373832U CN 215933801 U CN215933801 U CN 215933801U
- Authority
- CN
- China
- Prior art keywords
- cross rod
- rod
- vertical rod
- sides
- machine body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- SDIXRDNYIMOKSG-UHFFFAOYSA-L disodium methyl arsenate Chemical compound [Na+].[Na+].C[As]([O-])([O-])=O SDIXRDNYIMOKSG-UHFFFAOYSA-L 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- XEEYBQQBJWHFJM-BJUDXGSMSA-N Iron-55 Chemical compound [55Fe] XEEYBQQBJWHFJM-BJUDXGSMSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Support Of Aerials (AREA)
Abstract
The utility model discloses a sodar antenna for acquiring a ground-to-low altitude three-dimensional wind field, which comprises a machine body, a cross rod, a vertical rod, a plurality of energy conversion devices and a driving mechanism, wherein the cross rod is arranged on the machine body; the machine body is of a square structure with a hollow interior, two opposite sides of the machine body are respectively provided with a sliding hole, and two ends of the cross rod and two ends of the vertical rod are respectively and correspondingly arranged in the sliding holes; the driving mechanism comprises a moving part and a driving device for driving the moving part to rotate, the moving part comprises a fixed part and a movable part, the movable part is respectively arranged corresponding to two sides of the cross rod and two sides of the vertical rod, and the movable part is provided with an electromagnet; the two sides of the cross rod and the two sides of the vertical rod correspond to metal blocks which are magnetically attracted and connected with the electromagnets; the cross rod and the vertical rod are arranged in a crossed manner, and the energy conversion device is arranged at the crossed position of the cross rod and the vertical rod in a sliding manner; the utility model has the advantages that the antenna can be adjusted according to different measuring heights, the distance between the transducers in the antenna can be automatically adjusted, and the measuring precision is improved.
Description
Technical Field
The utility model belongs to the field of sodar antennas, and particularly relates to a sodar antenna for acquiring a three-dimensional wind field from the ground to a low altitude.
Background
In the detection of a low-altitude three-dimensional wind field, common means include a wind measuring tower, a wind profile radar, a laser radar, a sodar and the like. The anemometer tower is complex to install and limited in height, and is generally only used for installation test at a fixed point position. The wind profile radar belongs to a radio radar, the frequency of a transmitted signal of the wind profile radar is possibly interfered by an electromagnetic environment, the detection precision of the wind profile radar in a height range close to the ground is reduced by the influence of ground clutter and the like, and the limitation is large. The laser radar detects wind speed by using laser, and the detection result is greatly influenced by visibility. Wind profile radar and laser radar have large dead zone (generally greater than 50m height) in near-ground test due to high propagation speed, and cannot perform good measurement.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model provides the sodar antenna which can adjust the antenna according to different measuring heights, automatically adjust the distance between transducers in the antenna and improve the measuring precision and can obtain the three-dimensional wind field from the ground to the low altitude.
In order to achieve the purpose, the utility model provides the following technical scheme: a sodar antenna for acquiring a ground-to-low altitude three-dimensional wind field comprises a machine body, a cross rod, a vertical rod, a plurality of energy conversion devices and a driving mechanism, wherein the cross rod is slidably arranged in the machine body; the machine body is of a square structure with a hollow interior, two opposite sides of the machine body are respectively provided with a sliding hole, and two ends of the cross rod and two ends of the vertical rod are respectively and correspondingly arranged in the sliding holes; the driving mechanisms are arranged corresponding to two sides of the cross rod and two sides of the vertical rod respectively, each driving mechanism comprises a moving part and a driving device for driving the moving part to rotate, each moving part comprises a fixed part and a movable part arranged on the fixed part in a sliding manner, the movable parts are arranged corresponding to two sides of the cross rod and two sides of the vertical rod respectively, and electromagnets are arranged on the movable parts; metal blocks magnetically connected with the electromagnets are arranged on the two sides of the cross rod and the two sides of the vertical rod corresponding to the movable parts; the energy conversion device comprises a cross rod, a vertical rod, an energy conversion device and a plurality of cross rods, wherein the cross rod and the vertical rod are respectively provided with a plurality of pieces, the cross rod and the vertical rod are arranged in a cross mode, and the energy conversion device is arranged at the cross position of the cross rod and the vertical rod in a sliding mode.
As a further improvement of the above technical solution:
also comprises a fixing device; the fixing device comprises a fixing plate and a telescopic mechanism for driving the fixing plate to slide; the machine body is provided with a sliding chute corresponding to the fixed plate, and the fixed plate is provided with a sliding block corresponding to the sliding chute; the fixed plate is arranged corresponding to the transverse rods and the vertical rods, and the fixed plate is provided with anti-skidding parts corresponding to the transverse rods and the vertical rods; the fixed end of the telescopic mechanism is fixed on the machine body, and the movable end of the telescopic mechanism is fixedly connected on the fixed plate.
The telescopic mechanism is an electric telescopic rod; the anti-skid part is in a uniform wavy shape; the cross rod and the vertical rod are provided with circular clamping blocks corresponding to the anti-skid parts.
The energy conversion device comprises an adjusting block and an energy converter fixedly connected to the adjusting block.
The moving piece is a ball screw; the driving device is a servo motor.
The metal blocks are arranged in the transverse rods and the vertical rods in a sliding mode respectively, and are iron blocks or iron alloy.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the driving mechanism drives the cross rod and the vertical rod to slide in the sliding hole of the machine body, so that the distance between the transducers is adjusted, the adjustment of the antenna is realized, the distance between the transducers can be adjusted according to different measurement heights, the measurement of the wind speed from the ground to a low-altitude three-dimensional wind field by the antenna is more accurate, and the measurement precision is improved; the fixing device is used for fixing the transverse rod and the vertical rod, so that the transverse rod and the vertical rod are effectively prevented from sliding in the sliding hole during measurement; the anti-skid part is set to be uniform wavy, so that the distance between the transducers is kept unchanged when the transducers are fixed, and the precision in measurement is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a transducer device of the present invention.
Fig. 3 is a schematic structural view of the cross bar or vertical bar of the present invention in cooperation with the fixed portion of the movable member.
Fig. 4 is a schematic structural view of a first embodiment of the cross bar and the fixing plate of the present invention.
Fig. 5 is a schematic structural view of a cross bar and a fixing plate in a second embodiment of the utility model.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1. a body; 2. a cross bar; 3. a vertical rod; 4. a transduction device; 5. a drive mechanism; 6. a fixing device; 7. a control unit; 11. a slide hole; 21. a metal block; 41. a slider; 42. a transducer; 51. a movable member; 52. a drive device; 53. a fixed part; 54. a movable portion; 55. an electromagnet; 61. a fixing plate; 62. a telescoping mechanism; 63. and an anti-slip part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions of the embodiments of the present invention can be combined, and the technical features of the embodiments can also be combined to form a new technical solution.
Referring to fig. 1 to 6, the present invention provides the following technical solutions: a sodar antenna for acquiring a ground-to-low altitude three-dimensional wind field comprises a machine body 1, a cross rod 2 arranged in the machine body 1 in a sliding manner, a vertical rod 3 arranged in the machine body 1 in a sliding manner, a plurality of energy conversion devices 4 arranged on the cross rod 2 and the vertical rod 3 in a sliding manner, and a driving mechanism 5 for driving the cross rod 2 and the vertical rod 3 to slide; the machine body 1 is of a square structure with a hollow interior, two opposite sides of the machine body 1 are respectively provided with a sliding hole 11, and two ends of the cross rod 2 and two ends of the vertical rod 3 are respectively and correspondingly arranged in the sliding holes 11; the number of the driving mechanisms 5 is multiple, preferably 4, and the driving mechanisms 5 are respectively arranged corresponding to two sides of the cross rod 2 and two sides of the vertical rod 3, each driving mechanism 5 comprises a movable member 51 and a driving device 52 for driving the movable member 51 to operate, each movable member 51 comprises a fixed portion 53 and a movable portion 54 slidably arranged on the fixed portion 53, the movable portions 54 are respectively arranged corresponding to two sides of the cross rod 2 and two sides of the vertical rod 3, and each movable portion 54 is provided with an electromagnet 55; the two sides of the cross rod 2 and the two sides of the vertical rod 3 are provided with metal blocks 21 which are in suction connection with the electromagnetic iron 55 corresponding to the movable parts 54; the number of the cross rods 2 and the number of the vertical rods 3 are respectively multiple, more than 4 cross rods are generally arranged, 8 cross rods 2 and 8 vertical rods are preferably selected, and the number of the cross rods 2 and the number of the vertical rods 3 can be increased or decreased according to the measurement requirements of different places; the cross rod 2 and the vertical rod 3 are arranged in a cross mode, and the energy conversion device 4 is arranged at the cross position of the cross rod 2 and the vertical rod 3 in a sliding mode, so that the energy conversion device is adjusted through the cross rod 2 and the vertical rod 3.
Also comprises a fixing device 6; the fixing device 6 comprises a fixing plate 61 and a telescopic mechanism 62 for driving the fixing plate 61 to slide; the machine body 1 is provided with a sliding chute corresponding to the fixed plate 61, and the fixed plate 61 is provided with a sliding block corresponding to the sliding chute; the fixing plate 61 is arranged corresponding to the cross rod 2 and the vertical rod 3, and the fixing plate 61 is provided with an anti-skid part 63 corresponding to the cross rod 2 and the vertical rod 3; the fixed end of telescopic machanism 62 is fixed on organism 1, telescopic machanism 62's movable end fixed connection be in on the fixed plate 61. The fixed plate 61 can be four corresponding to the two sides of the cross rod 2 and the two sides of the vertical rod 3, also can be a whole block forming a square frame structure, preferably a whole block, at the moment, the telescopic mechanism 62 can be selected to be more than 2, and is arranged in an angle symmetry mode in two times.
The automatic control device further comprises a control part 7, wherein the control part 7 is electrically connected with the driving mechanism 5 and the fixing device 6, so that the driving mechanism 5 and the fixing device 6 are automatically controlled. The control part 7 can be controlled by a single chip microcomputer, such as the single chip microcomputer AT89C 52.
The slide hole 11 can also be a blind hole, and the driving mechanism 5 and the fixing device 6 are arranged on the inner side of the machine body 1 corresponding to the cross rod 2 and the cross rod 3. The arrangement can reduce the influence of the external environment on the antenna adjustment.
The telescopic mechanism 62 is an electric telescopic rod; the anti-skid part 63 is in a uniform wavy shape; the cross rod 2 and the vertical rod 3 are provided with circular clamping blocks corresponding to the anti-skid parts 63; the anti-slip portion 63 is in a uniform sawtooth wave shape; the cross rod 2 and the vertical rod 3 are provided with triangular clamping blocks corresponding to the anti-slip parts 63. The electric telescopic rod is preferably a Gaobaoshi TG series-700 electric push rod. Through even wavy and even cockscomb structure, can be effectual with horizontal pole 2 and montant 3 card in appointed position.
The transducer device 4 comprises an adjusting block 41 and a transducer 42 fixedly connected to the adjusting block 41. The adjusting block 41 is provided with a through hole for the cross rod 2 and the vertical rod 3 to pass through. The adjustment block 41 can be slid between the cross bar 2 and the vertical bar 3 by means of the adjustment block 41, thereby adjusting the distance between the transducers 42. The transducer 42 is preferably a piezoelectric ceramic transducer having a reversible transmission and reception characteristic, and a Dingshi DS series transducer may be selected.
The movable piece 51 is a ball screw; the driving device 52 is a servo motor. The drive means 52 may alternatively be a stepper motor. The ball screw is a TBI ball screw or a ball screw pair SFU 1204/1605.
The metal blocks 21 are arranged in the cross rods 2 and the vertical rods 3 in a sliding mode respectively, and the metal blocks 21 are iron blocks or iron alloy. The cross rod 2 and the vertical rod 3 are provided with sliding holes corresponding to the metal blocks 21, the elastic pieces are arranged in the sliding holes to connect the metal blocks 21, and when the electromagnet 55 is electrified and magnetized and then passes through the cross rod 2 or the vertical rod 3, the metal blocks 21 can be magnetically attracted and connected with the electromagnet 55, so that the cross rod 2 or the vertical rod 3 is driven to move, and the cross rod 2 or the vertical rod 3 is driven to a specified position.
Example 1:
the working principle of the utility model is as follows:
according to the interval between the transducers 42 set to the control part 7 according to the measurement requirement, the control part 7 controls a driving device 52 in a driving mechanism 5 to drive a moving part 51 to rotate, a moving part 54 on the moving part 51 slides along a fixed part 53, and meanwhile, the control part 7 controls an electromagnet 55 on the moving part 54 to magnetically attract a metal block 21 arranged on the cross rod 2 in the direction corresponding to the electromagnet 55, so that the moving part 54 drives the cross rod 2 to slide along a sliding hole 11, a stepping motor or a steering engine is adopted by the driving device 52, the interval between the cross rods 2 is in accordance with the set value, and the transverse interval between the transducers 42 is in accordance with the set requirement; when the cross rod 2 is adjusted, the adjustment is started from one side of the slide hole 11 to the other side; after the distance between the cross rods 2 is adjusted, the control part 7 controls the telescopic mechanism 62 of the fixing device 6 to drive the fixing plate 61 to fix the cross rods 2 through the anti-skid part 63;
after the cross rod 2 is fixed, the distance between the vertical rods 3 is adjusted, the adjusting mode of the vertical rods 3 is the same as that of the cross rod 2, and after the distance between the vertical rods 3 is adjusted, the control part 7 controls the anti-skidding part 63 of the fixing plate 61 to be fixed, so that the adjustment of the antenna is completed. According to the different heights to be measured, the distance between the transducers 42 can be adjusted differently, so that the antenna can measure the heights more accurately, and the measurement precision is ensured.
Example 2:
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a obtain sodar antenna of ground to three-dimensional wind field of low latitude which characterized in that: the energy-saving device comprises a machine body (1), a cross rod (2) arranged in the machine body (1) in a sliding manner, a vertical rod (3) arranged in the machine body (1) in a sliding manner, a plurality of energy conversion devices (4) arranged on the cross rod (2) and the vertical rod (3) in a sliding manner, and a driving mechanism (5) for driving the cross rod (2) and the vertical rod (3) to slide; the machine body (1) is of a square structure with a hollow interior, two opposite sides of the machine body (1) are respectively provided with a sliding hole (11), and two ends of the cross rod (2) and two ends of the vertical rod (3) are respectively and correspondingly arranged in the sliding holes (11); the driving mechanisms (5) are arranged corresponding to two sides of the cross rod (2) and two sides of the vertical rod (3) respectively, each driving mechanism (5) comprises a moving part (51) and a driving device (52) for driving the moving part (51) to rotate, each moving part (51) comprises a fixed part (53) and a movable part (54) arranged on the fixed part (53) in a sliding mode, the movable parts (54) are arranged corresponding to two sides of the cross rod (2) and two sides of the vertical rod (3) respectively, and electromagnets (55) are arranged on the movable parts (54); the two sides of the cross rod (2) and the two sides of the vertical rod (3) are provided with metal blocks (21) which are in suction connection with the electromagnets (55) corresponding to the movable parts (54); the energy conversion device is characterized in that the transverse rods (2) and the vertical rods (3) are respectively multiple, the transverse rods (2) and the vertical rods (3) are arranged in a crossed mode, and the energy conversion device (4) is arranged at the crossed position of the transverse rods (2) and the vertical rods (3) in a sliding mode.
2. The sodar antenna for acquiring ground-to-low altitude three dimensional wind fields according to claim 1, wherein: also comprises a fixing device (6); the fixing device (6) comprises a fixing plate (61) and a telescopic mechanism (62) for driving the fixing plate (61) to slide; the machine body (1) is provided with a sliding chute corresponding to the fixed plate (61), and the fixed plate (61) is provided with a sliding block corresponding to the sliding chute; the fixing plate (61) is arranged corresponding to the cross rod (2) and the vertical rod (3), and the fixing plate (61) is provided with an anti-skid part (63) corresponding to the cross rod (2) and the vertical rod (3); the fixed end of telescopic machanism (62) is fixed on organism (1), the expansion end fixed connection of telescopic machanism (62) is in on fixed plate (61).
3. The sodar antenna for acquiring ground-to-low altitude three dimensional wind fields according to claim 2, wherein: the telescopic mechanism (62) is an electric telescopic rod; the anti-skid part (63) is uniform and wavy; the cross rod (2) and the vertical rod (3) are provided with circular clamping blocks corresponding to the anti-skid parts (63).
4. The sodar antenna for acquiring ground-to-low altitude three dimensional wind fields according to claim 3, wherein: the transducer device (4) comprises a regulating block (41) and a transducer (42) fixedly connected to the regulating block (41).
5. The sodar antenna for acquiring ground-to-low altitude three dimensional wind fields according to claim 4, wherein: the moving piece (51) is a ball screw; the driving device (52) is a servo motor.
6. The sodar antenna for acquiring ground-to-low altitude three dimensional wind fields according to claim 5, wherein: the metal blocks (21) are arranged in the transverse rods (2) and the vertical rods (3) in a sliding mode respectively, and the metal blocks (21) are iron blocks or iron alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121373832.XU CN215933801U (en) | 2021-06-21 | 2021-06-21 | Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121373832.XU CN215933801U (en) | 2021-06-21 | 2021-06-21 | Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215933801U true CN215933801U (en) | 2022-03-01 |
Family
ID=80403224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121373832.XU Active CN215933801U (en) | 2021-06-21 | 2021-06-21 | Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215933801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471659A (en) * | 2021-06-21 | 2021-10-01 | 湖南赛能环保科技有限公司 | Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude |
-
2021
- 2021-06-21 CN CN202121373832.XU patent/CN215933801U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471659A (en) * | 2021-06-21 | 2021-10-01 | 湖南赛能环保科技有限公司 | Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude |
| CN113471659B (en) * | 2021-06-21 | 2024-04-16 | 湖南赛能环保科技有限公司 | Sodar antenna for acquiring three-dimensional wind field from ground to low altitude |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215933801U (en) | Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude | |
| CN105548729B (en) | A kind of method for fast measuring of array antenna radiation characteristic | |
| CN205863404U (en) | A kind of motor driven wind profile radar antenna assembly | |
| CN107192990B (en) | Extrapolation surveys Radar Cross Section | |
| CN113471659A (en) | Acoustic radar antenna for acquiring three-dimensional wind field from ground to low altitude | |
| CN112268684A (en) | Variable azimuth angle surface pressure measuring system and method for low-speed wind tunnel rotor model | |
| CN111077512B (en) | TOF module calibration method and system | |
| CN110231053B (en) | Experimental platform and method for calibrating low-altitude height sensor of unmanned aerial vehicle | |
| CN208188332U (en) | A kind of steady holder intelligence radar flow measuring system of band increasing | |
| CN111795655B (en) | Contour mark installation angle measuring device and measuring method thereof | |
| CN109856421A (en) | A kind of removable wind environment around bridge observation device | |
| CN208109944U (en) | A kind of directionality testing jig of X-band directional aerial | |
| CN208985373U (en) | A kind of multilane traffic surveillance and control system based on 77GHz millimetre-wave radar | |
| CN107589313A (en) | A kind of resonator axial electric field measurement apparatus and measuring method | |
| CN208872257U (en) | A kind of crossed crossing distance monitoring device | |
| CN110426174A (en) | A kind of three-dimensional coordinate frame suitable for wind tunnel experiment probe positioning | |
| CN216050598U (en) | Wind turbine closed section flow field test auxiliary device based on PIV system | |
| CN106910348B (en) | Rotation type multidirectional traffic flow detection device | |
| CN110361731B (en) | Geological radar device | |
| CN212096259U (en) | Maintenance platform for radar antenna | |
| CN209524940U (en) | The cold survey moving platform device of microwave | |
| CN209706745U (en) | A kind of mobile device of the measurement charging ratio based on laser sensor | |
| CN114111974A (en) | Horizontal level gauge detects calibrating device | |
| CN219122698U (en) | Photoelectric RFID image detection device | |
| EP2804012B1 (en) | Method for measuring the position of a surface of a vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240327 Address after: Room 601, Building 7, Zone C, Jindao Park, No. 179 Huizhi Middle Road, High tech Development Zone, Changsha City, Hunan Province, 410205 Patentee after: Hunan saineng Environmental Measurement Technology Co.,Ltd. Country or region after: China Address before: 410000 Room 201, building 7, Zone C, jindaoyuan, No. 179, Huizhi Middle Road, high tech Development Zone, Yuelu District, Changsha City, Hunan Province Patentee before: HUNAN SAINENG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |