CN2206969Y - Wind gauging sensor with high dynamis state property - Google Patents
Wind gauging sensor with high dynamis state property Download PDFInfo
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- CN2206969Y CN2206969Y CN 94214779 CN94214779U CN2206969Y CN 2206969 Y CN2206969 Y CN 2206969Y CN 94214779 CN94214779 CN 94214779 CN 94214779 U CN94214779 U CN 94214779U CN 2206969 Y CN2206969 Y CN 2206969Y
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- vane
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Abstract
The utility model discloses a wind gauging sensor with high dynamic state property which is composed of two branch gauging sensors used for measuring wind speed and wind direction. Vanes of the utility model are formed into integration in the injection molding mode. A wind vane sheet is high temperature and pressure molding carbon cloth flat reinforced sheeting. An auxiliary marker sheet and a balance ball are dismountable. High-power lightning protection diodes are arranged between an output signal wire and the logic ground and between a positive power lead and the logic ground. A casing is provided with a thin-membrane heater which can melt the ice at the clearance between a rotating part and the casing. The wind speed gauging sensor uses a Hall switching device. The impulse type power supply mode that the wind direction gauging sensor and a mainframe cooperate can decrease circuit power consumption. The utility model is suitable for a weather station or the situation of measuring wind speed and wind direction at the same time.
Description
The utility model discloses a kind of wind detection sensor that is applicable to meteorological station measuring wind, wind direction.Particularly a kind of starting wind velocity of air velocity transducer≤0.5 meter per second, measurement range 0～70 meter per second, measuring accuracy (0.3+0.01V) meter per second, rated wind velocity 〉=80 meter per seconds, distance constant are 2.50 meters; The high dynamic performance wind detection sensor of the starting wind velocity of wind transducer≤0.5 meter per second, 0～360 ° of measurement range, measuring accuracy ± 3 °, damping ratio 〉=0.4.
The wind direction target and the vane aluminium manufacturing of at present existing wind detection sensor, its dynamic performance index: the wind transducer damping ratio does not reach; The distance constant of air velocity transducer can not reach the requirement of World Meteorological Organization (WMO) to wind detection sensor preferably.In addition, the angular resolution of existing wind transducer is low, has only 16 orientation, angular resolution is 22.5 °, can not satisfy World Meteorological Organization (WMO) to the wind direction measuring accuracy for ± 3 ° or ± 5 ° requirement.The basic mechanical design feature of air velocity transducer: starting wind velocity and measurement range can not satisfy the requirement of World Meteorological Organization (WMO).Make vane and wind direction target, corrosion-resistant with thin aluminum sheet, serviceable life is short in maritime environment.
Along with continuous progress in science and technology, according to the latest requirement of World Meteorological Organization (WMO) to instrument for wind measurement, the user presses for that a kind of dynamic perfromance is good, measuring accuracy is high, measurement range is wide, wind detection sensor corrosion-resistant, reliable, multiple premium properties such as the life-span is long is changed meteorological station and used nearly 30 years showing wind detection sensor.
The purpose of this utility model is to provide a kind of wind direction angle to be distinguished as 128 orientation, measuring accuracy is ± 3 °, damping ratio 〉=0.4, the wind speed starting wind velocity is little, measurement range is big, rated wind velocity is big, measuring accuracy is high, distance constant is little, structurally fully independent, be used to measure the formation of two sensors of synchronization wind speed and direction.
The technical measures that the utility model is taked are: as far as possible little at the diameter that satisfies vane bar under the prerequisite of requirement of strength from the mechanics angle, the vane bowl is eccentric shape, a side thickness of the close centre of gyration, thin away from a sidewall of the centre of gyration.Vane bowl, vane bar, vane pin are designed to one, and with high-performance carbon fibre reinforced plastics injection molded, three vane butt joints laminate forms a vane group;
The wind direction target is shaped with charcoal cloth reinforced plastic High Temperature High Pressure, and the proportion of this plate is little, intensity is high, good rigidly.Front end at weathervane adds accessory plate, can shorten the length of wind-direction benchmark under the prerequisite that guarantees damping ratio and distance constant technical indicator, has improved its rigidity.The trim designs of accessory plate and balance weight becomes the releasable connection formula;
In the front portion of weathervane resistance is housed and revolves folder, in the hole of bar cover, rotate to prevent wind-direction benchmark;
Wind speed induced signal circuit adopts hall ic, to reduce circuit power consumption;
Wind direction angle mapping mode adopts Gray's code-disc, light-emitting diodes and phototriode, in order to reduce circuit power consumption, improves the reliability and the serviceable life of circuit, and this sensor can match with main frame and adopt the pulsed power supply mode;
Destroy for light, the electrical part of protecting wind speed, wind direction induced signal circuit exempts from strong thunder and lightning interference, positive power line and logic ground wire all are equipped with powerful protection diode between each output signal line and the logic ground wire;
Wind speed of the present utility model, wind transducer can install thin film heater, and in order to melt the freezing of rotary part and upper shell gap location, guaranteeing is having under the situation of sleet, and vane group and weathervane group still can continue rotation;
The utility model is in order to improve integrally-built Corrosion Protection, and all other part of machinery all is to adopt engineering plastics, stainless steel, brass and aluminium manufacturing.All aluminium spares all are to handle through sealing through potassium bichromate solution after the anodized again, and outside surface sprays one deck anticorrosive paint more then.
Owing to taked above technical measures, produced the measuring accuracy height, dynamic perfromance is good, measurement range is wide, the anti lightning interference performance is strong, power consumption is little, corrosion-resistant, the good effect of being convenient to packed and transported and maintenance.
Below with reference to accompanying drawing the utility model is described in further detail.
Fig. 1 is the utility model air velocity transducer structural representation;
Fig. 2 is the utility model glass holder and a vane assembly structure synoptic diagram;
Fig. 3 is the utility model Hall switch device fundamental diagram;
Fig. 4 is the utility model wind transducer structural representation;
Fig. 5 is that folder Facad structure synoptic diagram is revolved in the utility model resistance;
Fig. 6 is that the left TV structure synoptic diagram of folder is revolved in the utility model resistance;
Fig. 7 is the utility model wind direction angle translation circuit fundamental diagram;
With reference to Fig. 1, in by the tapered upper shell of aluminium machining (6), pass the main shaft (5) of a stainless steel, main shaft (5) is by two rolling bearings (4) and bearing pressure ring (10) and gland (11) are fixing up and down.The upper end connects vane group (1) (2) (3), and the lower end connects bar magnet dish (13), extends in the lower house (16).36 bar magnets (12) are inlayed in a garden at bar magnet dish (13) on week, adjacent bar magnet (12) N, the S utmost point should be opposite, forms 18 magnetic fields.The Hall switch device (14) that is welded on bar magnet (12) and the printed circuit board (PCB) (15) that is assemblied in the lower house (16) is corresponding up and down.Be processed with the Cylinder (9) of cavity in the upper shell (6), a rolling bearing (4) of cavity internal fixation main shaft lower end, peripheral around Cylinder (9) by geometrical clamp (8) fixed film well heater (7).Polyimide book film is that insulating material constantan paper tinsel is the book film heater (7) of thermo electric material, and heating power is 10～20 watts.When well heater when heating energising, pass to the top of upper shell by conducting its heat, it is freezing that fusible vane group (1,2,3) and upper shell (6) gap location form, to guarantee the normal rotation of vane group under the freezing weather condition.The power lead of wind speed induced signal circuit, output signal line, well heater (7) heating power supply line are connected with the main frame cable by socket (17).
With reference to Fig. 1, Fig. 2, vane group of the present utility model mainly is made of vane (1), gland (2), glass holder (3).The vane bowl (21) of vane (1), vane bar (20), vane pin (19) are injection molded into one with mould by charcoal fiber reinforcement high performance engineering plastics.The design of the utility model vane (1) has taken into account seven kinds of technical features: the little starting wind velocity of 1, trying one's best; 2, the little distance constant of trying one's best; 3, the high rated wind velocity of trying one's best; 4, the most measured linearity; 5, good exchange performance; 6, good processing technology, assembling, maintainability; 7, good corrosion-resistant, ageing-resistant performance.In seven kinds of technical features, 1,2 requirement is a contradiction with 3 requirement.The above two require vane light more good more, and the latter requires vane firm more good more.Because vane bar (20) diameter of the utility model vane (1) is chosen as φ 7～φ 8; Vane bowl (21) is the wall thickness of eccentric shape, the close centre of gyration one side, and is thin away from the wall of the centre of gyration one side, thereby reasonably solved this contradiction, obtained comparatively ideal result.Vane pin (19) laminates removable for butt joint.Three same vanes (1) are arranged in the vane group, pack into after three on vane cover (3) top becomes in the groove (18) of 120 ° of equal indicatives, cover gland (2) and tighten up formation vane group with screw when three vanes.The vane pin of this structure does not need any adjustment when assembling vane group, thereby rigging position precision height, and high conformity is easy to mounting or dismounting and safeguards.
With reference to Fig. 1, Fig. 3, the principle of the utility model air velocity transducer measuring wind value size is: under the effect of horizontal wind-force, the vane group that is solidly installed (1,2,3), main shaft (5), bar magnet dish (13) rotate together, and wind-force is big more, rotate fast more.Vane group (1,2,3) is whenever revolved and is turned around, bar magnet dish (13) is gone up 18 magnetic fields that formed by 36 bar magnets (12), induce 18 small-pulse effect signals in the sensor circuit (24) in Hall switch device (14), send driver (27) output after amplifier (25) amplification, reshaper (26) shaping, voltage stabilizer (23) provides stable voltage source to circuit.The calculation relational expression of air speed value V and pulsed frequency F is:
V＝a＋bF
A, b are constant in the formula.After measuring the F value, can obtain wind speed V.
With reference to Fig. 3, between positive power line and the logic ground wire, be connected to lightning protection diode (22), the positive ending grounding of lightning protection diode between output signal line and the logic ground wire.When high pressure occurring owing to lightning induction on positive power line and the signal wire up to several kilovolts; lightning protection diode (22) can pass through big electric current rapidly; high voltage reduction and clamped on needed low level, thereby protected Hall switch device (14) to exempt from destruction.
With reference to Fig. 4, in by the tapered upper shell of aluminium machining (6), pass the main shaft (5) of a stainless steel, main shaft (5) is by two rolling bearings (4) and bearing pressure ring (10) and gland (11) are fixing up and down.The upper end connects weathervane group (28,29,30,31,32,33,34), and the lower end connects code-disc (37), extends in the lower house (16).Code-disc (37) passes through in motionless phototube stent (36) medial launder of lower house (16) internal fixation, the top radially rectilinear direction of support be installed with side by side 7 light emitting diodes (35) corresponding 7 bit code roads on the code-disc (37) and 7 phototriodes (38) below the phototube stent (36).Be processed with the Cylinder (9) of cavity in the upper shell (6), a rolling bearing (4) of cavity internal fixation main shaft lower end, peripheral around Cylinder (9) by the fixing book film heater (7) of geometrical clamp (8).Polyimide book film is that insulating material constantan paper tinsel is the book film heater (7) of thermo electric material, and heating power is 10～20 watts.When well heater energising heating, pass to the top of upper shell (6) by conducting its heat, fusible weathervane group (28,29,30,31,32,33,34) is freezing with the formation of upper shell (6) gap location, to guarantee the normal rotation of weathervane group under the freezing weather condition.The power lead of wind direction signals circuit, output signal line, well heater (7) heating power supply line are connected with the main frame cable by socket (39).
Mainly revolving folder (31), wind direction target (32), wind-direction benchmark (33), bar cover (34) seven parts by balance weight (28), accessory plate (29), plate holder (30), resistance with reference to Fig. 4, Fig. 5, Fig. 6 weathervane group of the present utility model forms.Wind direction target (32) is made with the charcoal cloth reinforced plastic plate that High Temperature High Pressure is shaped.This material proportion is little, good rigidly, intensity height, corrosion-resistant, ageing-resistant, is to improve the comparatively ideal material of wind transducer dynamic performance index.Add accessory plate (29) at weathervane group front end, can under the prerequisite that guarantees dynamic performance index, shorten the length of weathercock bar (33),, make weathervane group compact conformation to improve its rigidity.A rectangle gap is opened at middle part, accessory plate (29) back, inserts in the respective grooves of balance weight (28), is clamped by plate holder (30), and screw retention is removable connection, is convenient to pack and safeguard.Locate to be equipped with resistance at balance weight (28) back pole cover (34) and revolve folder (31), resistance is revolved folder (31) and is processed into square, there is the hole, garden (40) that can penetrate wind-direction benchmark (33) at its riser (41) center, one gap (43) is arranged under the hole, garden, in the gap vertical direction locking screw pit (44) is arranged, screwing lock-screw can make gap (43) narrow down, clamp wind-direction benchmark (33), the last plane of the lower plane of folder transverse slat (42) near bar cover (34) revolved in resistance, folder, wind-direction benchmark are revolved in resistance, the bar cover just becomes one, and wind-direction benchmark can not arbitrarily rotate.
With reference to Fig. 4, Fig. 7, wind transducer angular transformation principle is, under the effect of horizontal wind-force, the weathervane group that is fixed together, main shaft (5), code-disc (37) rotate with the wind, the tip of balance weight (28) always point to wind-force come to.Code-disc (37) is Gray's code-disc, and its seven bit codes road all is made up of printing opacity and shading light part.After the light transmission code-disc (37) of light emitting diode (35) shone on the corresponding phototriode (38), its collector output low level became high level output afterwards through shaping phase inverter (53).When phototriode is not illuminated, shaping phase inverter (53) output low level.When code-disc (37) was in different positions, seven different high and low level of photoelectric tube output constituted different angles.
In Fig. 7, wind direction angle translation circuit, constitute the light emitting diode power-supplying circuit by biasing resistor (46,48), collector resistance (45), emitter resistance (49,50,51), triode (47), light emitting diode (35), under the control of the input control signal of sending here by main frame, can realize intermittent power supply, with the reliability and the life-span of reducing the circuit average power consumption greatly, improving circuit.Positive power line and logically between, each root output signal line and logically between, lightning protection diode (22) all is housed, with the protection photoelectric device.
Claims (8)
1, the high dynamic performance wind detection sensor that is made of upper shell [6], lower house [16] vane group [1,2,3], weathervane group [28,29,30,31,32,33,34], scroll-up/down bearing [4], main shaft [5], cavity right cylinder [9] rolling bearing pressure ring [10] and gland [11], plug [17,39] is characterized in that:
A, in being processed into the upper shell of taper [6], pass a main shaft [5] main shaft [5] by up and down two rolling bearings [4] and bearing pressure ring [10] and gland [11] are fixed in the upper shell, main shaft [5] upper end dress vane group [1,2,3] lower end is equipped with bar magnet dish [13] and is extended in the lower house [16], the survey air velocity transducer of an absolute construction of the corresponding formation of Hall switch device [14] that is welded on bar magnet [12] printed circuit board (PCB) [15] interior with being assemblied in lower house;
B, in being processed into the upper shell of taper [6], pass a main shaft [5] main shaft [5] by two rolling bearings [4] and bearing pressure ring [10] and gland [11] are fixed in the upper shell [6] up and down, weathervane group [28 is equipped with in main shaft [5] upper end, 29,30,31,32,33,34], the lower end is equipped with code-disc [37] and is extended in the lower house [16], code-disc [37] passes through in fixed phototube stent [36] medial launder in lower house [16], the direction of the top radially straight line of support be installed with side by side 7 light emitting diodes [35] corresponding 7 bit code roads on the code-disc and following 7 phototriodes [38] sensor that determines the wind direction that constituted absolute construction.
2, high dynamic performance wind detection sensor according to claim 1, it is characterized in that vane bowl (21), vane bar (20), vane pin (19) in the air velocity transducer are integral with mold injection, the vane bowl is the side thickness of eccentric shape near the centre of gyration, sidewall away from the centre of gyration is thin, vane pin (19), for butt joint laminates removable, three same vanes are arranged in the vane group, pack into after three on vane cover (3) top becomes in the groove (18) of 120 ° of equal indicatives when three vanes, cover gland (2) and tighten up formation vane group with screw.
3, high dynamic performance wind detection sensor according to claim 2, it is characterized in that inlaying on the bar magnet dish (13) 36 bar magnets (12), adjacent bar magnet N, the S utmost point should be opposite, form 18 magnetic fields, and bar magnet (12) is corresponding up and down with Hall switch device (14).
4, high dynamic performance wind detection sensor according to claim 3, it is characterized in that the sensor circuit (24) in the Hall switch device goes out wind velocity signal because of bar magnet dish (13) rotary inductive, amplifier (25) amplification of wind velocity signal footpath, reshaper (26) shaping, driver (27) output.
5, high dynamic performance wind detection sensor according to claim 4, it is characterized in that in Hall switch device (14) circuit positive power line and logically between, output signal line and logically between take over control thunder diode (22), the positive ending grounding of lightning protection diode.
6, high dynamic performance wind detection sensor according to claim 1, it is characterized in that on the main shaft (5) of wind transducer bar cover (34) being housed, bar cover (34) is gone up the vertical wind-direction benchmark (33) that is equipped with main shaft, wind-direction benchmark (33) long arm end is equipped with the wind direction target made from the charcoal fabric swatch (32), one end of galianconism is equipped with accessory plate (29), the middle part is opened in the groove that a rectangle gap inserts balance weight (28) and is clamped by plate holder (30) behind the accessory plate, be equipped with resistance and revolve folder (31) and hinder and to revolve folder (31) and be processed into square at balance weight back pole cover place, there is the circular hole (40) that can penetrate wind-direction benchmark at its riser (41) center, there is a gap (43) locking screw pit (44) to be arranged under the circular hole in the gap vertical direction, lock-screw narrows down gap and clamps wind-direction benchmark (33), resistance is revolved folder transverse slat (42) lower plane and is close to upward plane of bar cover (34), folder is revolved in resistance, wind-direction benchmark, the bar cover just becomes one, and wind-direction benchmark can not rotate arbitrarily.
7, high dynamic performance wind detection sensor according to claim 1, it is characterized in that wind transducer angular transformation circuit, by biasing resistor (46,48), collector resistance (45), emitter resistance (49,50,51), triode (47), light emitting diode (35) constitutes light emitting diode power-supplying circuit and phototriode (38), collector resistance (52) reshaper (53) constitutes the received signal circuit, code-disc (37) can rotate in fixed phototube stent (36) medial launder in company with main shaft (5) between light emitting diode and the phototriode, code-disc top be installed with side by side 7 light emitting diodes (35) corresponding 7 bit code roads on the code-disc, corresponding 7 phototriodes (38) that are equipped with light emitting diode receive the wind direction angle signal that sees through code-disc formation below code-disc, send reshaper (53) output, output line and logically between, power lead and logically between take over control thunder diode (22), lightning protection diode positive ending grounding.
8, high dynamic performance wind detection sensor according to claim 1, be processed with a rolling bearing (4) of right cylinder (9) cavity internal fixation main shaft (5) lower end of cavity in the upper shell (6) that it is characterized in that surveying air velocity transducer and determining the wind direction sensor, around right cylinder (9) peripheral by geometrical clamp (8) fixedly Kapton be that insulating material constantan paper tinsel is the well heater (7) of thermo electric material, the power of well heater is 10～20 watts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94214779 CN2206969Y (en) | 1994-06-20 | 1994-06-20 | Wind gauging sensor with high dynamis state property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94214779 CN2206969Y (en) | 1994-06-20 | 1994-06-20 | Wind gauging sensor with high dynamis state property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2206969Y true CN2206969Y (en) | 1995-09-06 |
Family
ID=33830955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94214779 Expired - Fee Related CN2206969Y (en) | 1994-06-20 | 1994-06-20 | Wind gauging sensor with high dynamis state property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2206969Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853036A (en) * | 2010-04-22 | 2010-10-06 | 甘肃省气象局 | Glaze ice and rime freezing injury protection device for wind sensor of automatic weather station |
| CN102279282A (en) * | 2011-07-04 | 2011-12-14 | 江苏大学 | Wind speed sensor used for detecting foreign fiber in cotton and detection method thereof |
| CN104345172A (en) * | 2013-08-09 | 2015-02-11 | 克利万工业-电子有限公司 | Wind sensor |
| CN107402315A (en) * | 2017-09-21 | 2017-11-28 | 镇江龙逸电子科技有限公司 | A kind of ultrasound wind system |
| CN109239802A (en) * | 2018-09-06 | 2019-01-18 | 芜湖职业技术学院 | A kind of wind direction automatic detection device |
| CN113238073A (en) * | 2021-05-28 | 2021-08-10 | 南京邮电大学 | Self-powered sensing system for synchronously measuring wind speed and wind direction |
-
1994
- 1994-06-20 CN CN 94214779 patent/CN2206969Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853036A (en) * | 2010-04-22 | 2010-10-06 | 甘肃省气象局 | Glaze ice and rime freezing injury protection device for wind sensor of automatic weather station |
| CN102279282A (en) * | 2011-07-04 | 2011-12-14 | 江苏大学 | Wind speed sensor used for detecting foreign fiber in cotton and detection method thereof |
| CN104345172A (en) * | 2013-08-09 | 2015-02-11 | 克利万工业-电子有限公司 | Wind sensor |
| CN104345172B (en) * | 2013-08-09 | 2017-11-17 | 克利万工业-电子有限公司 | Wind sensor |
| CN107402315A (en) * | 2017-09-21 | 2017-11-28 | 镇江龙逸电子科技有限公司 | A kind of ultrasound wind system |
| CN109239802A (en) * | 2018-09-06 | 2019-01-18 | 芜湖职业技术学院 | A kind of wind direction automatic detection device |
| CN113238073A (en) * | 2021-05-28 | 2021-08-10 | 南京邮电大学 | Self-powered sensing system for synchronously measuring wind speed and wind direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |