CN202177636U - Anti-freezing wind speed sensor - Google Patents
Anti-freezing wind speed sensor Download PDFInfo
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- CN202177636U CN202177636U CN2011203091038U CN201120309103U CN202177636U CN 202177636 U CN202177636 U CN 202177636U CN 2011203091038 U CN2011203091038 U CN 2011203091038U CN 201120309103 U CN201120309103 U CN 201120309103U CN 202177636 U CN202177636 U CN 202177636U
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- wind speed
- transmission shaft
- air velocity
- velocity transducer
- line plate
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Abstract
The utility model discloses an anti-freezing wind speed sensor which comprises a shell, a wind speed mechanism, a transmission shaft mechanism, a bearing mechanism, a wind speed switching circuit module, a heating device and a power supply device, wherein the transmission shaft mechanism is connected with the wind speed mechanism; the bearing mechanism is arranged inside the shell and is connected with the inner wall of the shell and the transmission shaft mechanism; the wind speed switching circuit module is used for converting wind speed magnetic field variation detected by the wind speed mechanism to analog magnitude of current for output; the heating device which is connected with the shell or the bearing mechanism is arranged under the wind speed mechanism; and the power supply device is connected with the wind speed switching circuit module and the heating device and supplies power to the wind speed switching circuit module and the heating device. When the anti-freezing wind speed sensor is used at a lower temperature environment, the condition that the sensor can not work due to the freezing of a rotating mechanism such as a transmission shaft can be avoided.
Description
Technical field
The utility model relates to a kind of sensor, especially relates to a kind of anti-freezing air velocity transducer.
Background technology
Wind speed is the important information parameter of physical environment.Current social is paid attention to global environmental protection day by day, and wind speed also more and more need be on a large scale by in real time, accurately measure.Air velocity transducer be meant can measuring wind size sensor.Now in the technology, for the reliability of the motion under low temperature environment that prevents circuit, and stable; Through meeting heating plate is installed near circuit; Yet under the environment of some low temperatures, its mechanical rotation partly can be low excessively icing because of temperature; Cause the rotating part can't operate as normal, what finally cause air velocity transducer can't be in operate as normal under the low temperature environment.In addition; The material that the vane that is used to detect wind speed of the prior art all adopts plastics or some other lightweight and loses easily; If this vane is used in the damage that causes parts in the bigger environment of wind-force easily, therefore anti-high wind ability is relatively poor, and is inapplicable in some high wind areas.
The utility model content
For this reason, the utility model is to be solved is the anti-freezing air velocity transducer of operate as normal under low temperature environment.
A kind of anti-freezing air velocity transducer of the utility model comprises:
Housing;
Wind speed mechanism;
Transmission shaft mechanism is connected with said wind speed mechanism;
Bearning mechanism is located at said enclosure interior, is connected with said inner walls, and is connected with said transmission shaft mechanism;
Wind speed change-over circuit module is used for converting the detected wind speed changes of magnetic field of said wind speed mechanism the output of to analog electrical flow;
Said wind speed mechanism place is provided with the heating arrangement that is connected with said housing or said Bearning mechanism and is connected to the supply unit of its power supply with said wind speed change-over circuit module and said heating arrangement.
Above-mentioned air velocity transducer; Said wind speed mechanism comprises vane support that is connected with said rotation axis and the metal vane that is positioned at said vane bracket end; Said air velocity transducer also comprises base mechanism, is positioned at said Bearning mechanism below, is fixedly connected with said housing; Said wind speed change-over circuit module is fixedly connected with said inner walls or said base.
Above-mentioned air velocity transducer, said Bearning mechanism comprises: bearing bracket stand, said bearing bracket stand middle part has axial passage and is located at the bearing assembly in the said axial passage; Said transmission shaft mechanism comprises the transmission shaft that is connected with said vane support, and wherein said transmission shafts is to the said axial passage that passes said bearing bracket stand, and is connected with said bearing assembly; Said transmission shaft mechanism comprises that also being located at said transmission shaft is connected being used on the relative other end of an end and prevents the set nut that said transmission shaft withdraws from from said Bearning mechanism and be located at the terminal magnet steel of said set nut with said vane support.
Above-mentioned air velocity transducer, said metal vane is an Al-alloy parts.
Above-mentioned air velocity transducer, said heating arrangement comprise the well heater of being located at said vane support below, with heat-shrink tube that is connected with said well heater and automatic temperature measurement electric heating line plate.
Above-mentioned air velocity transducer; Said wind speed change-over circuit module is a wind speed conversion line plate; Said automatic temperature measurement electric heating line plate is connected through pilot pin with said wind speed conversion line plate; Realize relative positioning, wherein said wind speed conversion line plate and/or said automatic temperature measurement electric heating line plate are installed on the said base; Said transmission shaft mechanism also comprises and being located in the said axial passage, and is sheathed on short lining, long bushing on the said transmission shaft, goes up the hole and use elastic washer with elastic washer and following hole; Said bearing assembly comprises head bearing and the lower bearing that is sheathed on the said transmission shaft; Wherein, said short lining, the said hole of going up distribute in said axial passage with elastic washer, said long bushing and said lower bearing with elastic washer, said head bearing, said hole down from top to down; Said base mechanism comprises base and is set in base nut and the elastic washer on the said base; Said supply unit is an Electric plug with shutter and the CA cable assembly that is used for being connected with said automatic temperature measurement electric heating line plate with said wind speed conversion line plate of being located at said base lower end.
Above-mentioned air velocity transducer has change-over circuit on the said wind speed conversion line plate, and said change-over circuit comprises the magnetic induction unit, is used to detect wind speed, and converts thereof into magnetic induction voltage and export; Control module is connected with said magnetic induction unit, and data processing is used to accomplish the analog to digital conversion to said magnetic induction unit magnetic induction voltage, and the voltage digital amount that is converted to is carried out smothing filtering, makes the stable digital signal of output; D/A conversion unit is connected with said control module, is used to accomplish digital quantity and converts the output of analog electrical flow to; Power supply unit respectively with said control module, is connected with said D/A conversion unit, is used to this two unit power supplies.
Above-mentioned air velocity transducer, said power supply unit comprise the LC inductance fiilter of a towering type RC wave filter and said towering type RC wave filter series connection.
Above-mentioned air velocity transducer, said magnetic induction unit comprises a Hall circuit.
Above-mentioned air velocity transducer, said control module comprises single-chip microcomputer, said single-chip microcomputer is provided with high precision oscillator, electrify restoration circuit, in be provided with enhancement mode low current watchdog circuit, said single-chip microcomputer inside is provided with A/D converter.
The technique scheme of the utility model is compared prior art and is had the following advantages:
1. said wind speed mechanism place is provided with the heating arrangement that is connected with said housing or said Bearning mechanism; Supply unit is connected with said heating arrangement with said wind speed change-over circuit module; Be its power supply; This design can prevent that rotating mechanism from appearring in air velocity transducer when under low temperature environment, using, and freezes the situation that causes sensor to work like transmission shaft.
2. said wind speed mechanism comprises vane support that is connected with said transmission shaft and the metal vane that is positioned at said vane bracket end can improve anti-high wind ability.
3. said vane is an Al-alloy parts, because material is lighter, not only can realizes high sensitivity, and can make device have anti-preferably high wind ability.
Description of drawings
For the content that makes the utility model is more clearly understood,, the utility model is done further detailed explanation, wherein below according to the specific embodiment of the utility model and combine accompanying drawing
Fig. 1 is anti-freezing air velocity transducer physical construction synoptic diagram;
Fig. 2 is the freeze proof air velocity transducer wind speed converting circuit structure synoptic diagram that freezes;
Fig. 3 is anti-freezing air velocity transducer wind speed change-over circuit schematic diagram;
The 1-vane, 2-well heater, 3-sunk screw, 4-bearing bracket stand, 5-FLT.HD., 6-short sleeve; 7-major axis cover, 8-set nut, 9-magnet steel, the last circlip for hole of 10-, 11-head bearing, 12-lower bearing; 13-wind speed conversion line plate, 14-housing, 15-automatic temperature measurement electric heating line plate, 16-heat-shrink tube, 17-jackscrew, 18-pilot pin; 19-base nut, 20-elastic washer, 21-base, 22-Electric plug with shutter, 23-CA cable assembly, 24-transmission shaft; Circlip for hole under the 25-, 26-vane support, 27-axial passage, T1-Hall circuit, T2-electric current output module; The T3-single-chip microcomputer, T4-voltage transformation module, B1-crystal oscillator, D1, D2-diode, Q1, Q2-triode;
Embodiment
Anti-freezing air velocity transducer as shown in Figure 1 comprises:
Wind speed mechanism, the mechanism of wind speed described in the present embodiment are preferably and comprise vane support 26 and the vane 1 that is positioned at said vane support 26 1 ends; Said vane 1 is preferably Al-alloy parts.
Said sensor also comprises transmission shaft mechanism; Be connected with said wind speed mechanism; In the present embodiment; Said transmission shaft mechanism be preferably comprise the transmission shaft 24 that is connected with said vane support 26 and be sheathed on short sleeve 6, major axis cover 7 on the said transmission shaft 24, go up the hole with elastic washer 10 and following hole with elastic washer 25; In addition; Said transmission shaft mechanism comprises that also being located at said transmission shaft is connected being used on the relative other end of an end and prevents the set nut 8 that said transmission shaft 24 withdraws from from said Bearning mechanism and be located at the terminal magnet steel 9 of said set nut 8 with said vane support 26.
Said sensor also comprises Bearning mechanism, is located at said housing 14 inside, is connected with said housing 14 inwalls, and is connected with said transmission shaft mechanism; In the present embodiment, said Bearning mechanism is preferably and comprises that the middle part has the bearing bracket stand 4 of axial passage 27, and said bearing bracket stand 4 is connected with said housing 14, is preferably through FLT.HD. 5 said inner walls connections and is located at the bearing assembly in the said axial passage 27; Said bearing assembly is preferably and comprises the head bearing 11 and lower bearing 12 that is sheathed on the said transmission shaft 24, and wherein said transmission shaft 24 axially passes the said axial passage 27 of said bearing bracket stand 4, and is connected with said bearing assembly; Specifically, said short lining 6, the said hole of going up distribute in said axial passage 27 with elastic washer 25, said long bushing 7 and said lower bearing 12 with elastic washer 10, said head bearing 11, said hole down from top to down.
Said sensor also comprises base mechanism, is positioned at said Bearning mechanism below, is fixedly connected with said housing 14; In the present embodiment, said base mechanism is preferably and comprises base 21 and be set in base nut 19 and the elastic washer 20 on the said base 21.
Said sensor also comprises wind speed change-over circuit module, is fixedly mounted on the said base 11, is used for converting the detected wind speed changes of magnetic field of said wind speed mechanism the output of to analog electrical flow; Said wind speed change-over circuit module is preferably wind speed conversion line plate 13,
Said wind speed mechanism below is provided with the heating arrangement that is connected with said housing 14 or said Bearning mechanism; In the present embodiment; Said heating arrangement is preferably and comprises well heater; Be located at said vane support 26 belows, the heat-shrink tube 16 that is connected with said well heater is with the automatic temperature measurement electric heating line plate 15 that is connected with heat-shrink tube 16.As shown in Figure 1, said heating arrangement is preferably with said Bearning mechanism and is connected, and is specially, and said well heater 2 is connected with said bearing bracket stand 4 through sunk screw 3; Supply unit is connected with said heating arrangement with said wind speed change-over circuit module, is its power supply; In the present embodiment, said supply unit is an Electric plug with shutter 22 and the CA cable assembly 23 that is used for being connected with said automatic temperature measurement electric heating line plate with said wind speed conversion line plate 13 of being located at said base lower end.In addition, have the temperature sensor that is used to detect atmospheric temperature on the said automatic temperature measurement electric heating line plate 15, said automatic temperature measurement electric heating line plate 15 is controlled the heating of well heater according to detected temperature automatically.
Said wind speed change-over circuit module is a wind speed conversion line plate 13; Said automatic temperature measurement electric heating line plate 15 is connected through pilot pin 18 with said wind speed conversion line plate 13; Realize relative positioning, wherein said wind speed conversion line plate 13 and/or said automatic temperature measurement electric heating line plate 15 are installed on the said base 21.
Have change-over circuit on the said wind speed conversion line plate 13, said change-over circuit comprises the magnetic induction unit, is used to detect wind speed, and converts thereof into magnetic induction voltage and export; Control module is connected with said magnetic induction unit, and data processing is used to accomplish the analog to digital conversion to said magnetic induction unit magnetic induction voltage, and the voltage digital amount that is converted to is carried out smothing filtering, makes the stable digital signal of output; D/A conversion unit is connected with said control module, is used to accomplish digital quantity and converts the output of analog electrical flow to; Power supply unit respectively with said control module, is connected with said D/A conversion unit, is used to this two unit power supplies.
Power supply unit on the change-over circuit comprises the LC inductance fiilter of a towering type RC wave filter and said towering type RC wave filter series connection.
Air velocity transducer circuit as shown in Figure 3; Wherein the power supply unit of wind speed change-over circuit inserts DC/12-28 volt positive direct-current voltages by contact KA1; Contact KA2 connects 500 Ω loads, 500 another termination DC/12-28 volt voltage negative terminal; Form towering type RC wave filter by capacitor C 12, C11, C10, C8 and resistance R 11 then, forming the LR inductance fiilter by inductance L 2, L1, resistance R 7, diode D2.
The magnetic induction unit is made up of integrated circuit, triode Q1, resistance R 1, capacitor C 1, C6.It is the Hall circuit T1 of a sensitivity occurred frequently that said integrated circuit is preferably in the present embodiment, when the magnet steel on being installed in the anemoscope axostylus axostyle rotates above Hall circuit T1.The 4th jiao and 5 jiaos output corresponding air speed of Hall circuit T1 induced voltage; Wherein, said magnet steel rotates with the rotation of transmission shaft, and detected wind speed is converted into the magnetic field of variation, acts on the said magnetic induction unit.
The Single-chip Controlling unit is by single-chip microcomputer T3, resistance R 3, R4, capacitor C 4, C7, crystal oscillator B1, and capacitor C 14, resistance R 10, capacitor C 5 are formed.Be provided with high precision oscillator in the single-chip microcomputer T3 single-chip microcomputer, electrify restoration circuit, in be provided with enhancement mode low current watchdog circuit, this inside is provided with 10 and differentiates A/D converters.This unit is used to accomplish analog to digital conversion, and high rate data is handled, and the magnetic induction voltage Hall circuit T1 output converts digital signal to, simultaneously the data of gathering is carried out smothing filtering, makes the output digital signal stable.
D/A conversion unit is made up of voltage transformation module T4, electric current output module T2, resistance R 7, R8, R5, R6, R14, R13, capacitor C 3, C15, C13.This unit is accomplished digital quantity and is converted magnitude of current output to.Wherein electric current output module T2 is a high precision 4-20mA output module.Convert the 5V voltage signal of input the voltage of 2.5V to,, be input to the 2nd jiao of electric current output module T2, accomplish the conversion between voltage and the electric current through resistance R 9, R6.Contact KA1 is just connecing external power, and it is negative that contact KA2 connects external power.Resistance R 11, C10 is connected to contact KA1.Contact KA2 connects capacitor C 12, C11, C10, C8, inductance L 2.Inductance L 2 other end connecting resistance R7, resistance R 7 other ends connect the positive pole of diode D1, connect capacitor C 9, meet the 4th jiao of electric current output module T2.Another termination capacitor C 8 of resistance R 11, inductance L 1.The positive pole of another termination triode D2 of inductance L 1.The negative pole of triode D2 meets the 7th jiao of T2, connects the collector of triode Q2.Capacitor C 9, diode D1, resistance R 14 above circuit connect to form power-supply circuit, the 10th jiao of the first corner connection T3 single-chip microcomputer of Hall circuit T1.The 7th jiao, the 2nd jiao, the 3rd jiao of Hall circuit T1 joins and connects capacitor C 1.Capacitor C 6 connecting resistance R1.The 9th jiao of the 4th corner connection single-chip microcomputer T3 of Hall circuit T1.The 8th jiao of the 5th corner connection single-chip microcomputer T3 of Hall circuit T1.The 6th jiao and 8 jiaos of Hall circuit T1 joins, and connects the collector of triode Q1 again, and the base earth of triode Q1, its emitter connect the 11st jiao of single-chip microcomputer T3.Single-chip microcomputer T3 the 1st corner connection capacitor C 17.Capacitor C 4, C2, R3, R4 connect the 8th jiao of electric current output module T2.Resistance R 1 is formed power-supply circuit.The 3rd jiao of single-chip microcomputer T3 the 2nd corner connection crystal oscillator B1.Capacitor C 14.The 3rd corner connection resistance R 10 of single-chip microcomputer T3.Resistance R 10 another termination crystal oscillator B1, capacitor C 5.The 1st jiao of crystal oscillator B1 and the 4th jiao of ground are simulation ground.The 4th corner connection resistance R 3 of single-chip microcomputer T3.The 3rd jiao of the 5th delta voltage modular converter T4 of single-chip microcomputer T3.The 1st jiao of single-chip microcomputer T3 the 6th delta voltage modular converter T4, the 7th corner connection resistance R 7 of single-chip microcomputer T3.The 12nd corner connection resistance R 4 of single-chip microcomputer T3.The 13rd corner connection resistance R 14 of single-chip microcomputer T3, R13, capacitor C 13.The 14th corner connection capacitor C 7 of single-chip microcomputer T3.Capacitor C 4 connects simulation ground.The 2nd corner connection simulation ground of voltage transformation module T4, the 2nd corner connection R9 of voltage transformation module T4.The 5th corner connection capacitor C 15 of voltage transformation module T4, R5, electric current output module T2 one jiao.The 1st corner connection resistance R 8 of voltage transformation module T4.+ 5 volts of voltages of the 8th jiao of output of electric current output module T2.The 1st jiao of defeated 2.5 volts of voltages of electric current output module T2.The 2nd corner connection resistance R 8 of electric current output module T2, R7, R5, R6.Resistance R 6 other end connecting resistance R9, capacitor C 3.The 3rd corner connection capacitor C 3 of electric current output module T2 connects simulation ground.The 4th corner connection R7 of electric current output module T2.The 5th corner connection resistance R 2 of electric current output module T2, the emitter of triode Q2.The base stage of the 6th corner connection triode Q2 of electric current output module T2.The collector of the 7th corner connection triode Q2 of electric current output module T2.The wherein termination simulation ground of resistance R 2, R13 and capacitor C 13, C15, C6, C1, C2.
Wherein, Hall circuit T1 is employed to be the integrated circuit modules of 2SA-10G model, and the electric current output module is the integrated circuit modules of XTR115U model, and single-chip microcomputer T3 is a PIC16F684 model single-chip microcomputer.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (9)
1. one kind resists freezing air velocity transducer, comprising:
Housing;
Wind speed mechanism;
Transmission shaft mechanism is connected with said wind speed mechanism;
Bearning mechanism is located at said enclosure interior, is connected with said inner walls, and is connected with said transmission shaft mechanism;
Wind speed change-over circuit module is used for converting the detected wind speed changes of magnetic field of said wind speed mechanism the output of to analog electrical flow;
It is characterized in that:
Said wind speed mechanism place is provided with the heating arrangement that is connected with said housing or said Bearning mechanism and is connected to the supply unit of its power supply with said wind speed change-over circuit module and said heating arrangement.
2. air velocity transducer according to claim 1 is characterized in that:
Said wind speed mechanism comprises vane support that is connected with said rotation axis and the metal vane that is positioned at said vane bracket end;
Said air velocity transducer also comprises base mechanism, is positioned at said Bearning mechanism below, is fixedly connected with said housing;
Said wind speed change-over circuit module is fixedly connected with said inner walls or said base.
3. air velocity transducer according to claim 2 is characterized in that:
Said Bearning mechanism comprises: the middle part has the bearing bracket stand of axial passage and is located at the bearing assembly in the said axial passage;
Said transmission shaft mechanism comprises the transmission shaft that is connected with said vane support, and wherein said transmission shafts is to the said axial passage that passes said bearing bracket stand, and is connected with said bearing assembly; Said transmission shaft mechanism comprises that also being located at said transmission shaft is connected being used on the relative other end of an end and prevents the set nut that said transmission shaft withdraws from from said Bearning mechanism and be located at the terminal magnet steel of said set nut with said vane support;
Said metal vane is an Al-alloy parts.
4. air velocity transducer according to claim 3 is characterized in that:
Said heating arrangement comprises the well heater of being located at said vane support below, with heat-shrink tube that is connected with said well heater and automatic temperature measurement electric heating line plate.
5. according to the arbitrary described air velocity transducer of claim 1-4, it is characterized in that:
Said wind speed change-over circuit module is a wind speed conversion line plate; Said automatic temperature measurement electric heating line plate is connected through pilot pin with said wind speed conversion line plate; Realize relative positioning, wherein said wind speed conversion line plate and/or said automatic temperature measurement electric heating line plate are installed on the said base;
Said transmission shaft mechanism also comprises and being located in the said axial passage, and is sheathed on short sleeve, major axis cover on the said transmission shaft, goes up circlip for hole and following circlip for hole;
Said bearing assembly comprises head bearing and the lower bearing that is sheathed on the said transmission shaft;
Wherein, said short sleeve, said circlip for hole, said head bearing, said circlip for hole down, said major axis cover and the said lower bearing gone up distribute in said axial passage from top to down;
Said base mechanism comprises base and is set in base nut and the circlip on the said base;
Said supply unit is an Electric plug with shutter and the CA cable assembly that is used for being connected with said automatic temperature measurement electric heating line plate with said wind speed conversion line plate of being located at said base lower end.
6. air velocity transducer according to claim 5 is characterized in that: have change-over circuit on the said wind speed conversion line plate, said change-over circuit comprises
The magnetic induction unit is used to detect wind speed, and converts thereof into magnetic induction voltage and export;
Control module is connected with said magnetic induction unit, and data processing is used to accomplish the analog to digital conversion to said magnetic induction unit magnetic induction voltage, and the voltage digital amount that is converted to is carried out smothing filtering, makes the stable digital signal of output;
D/A conversion unit is connected with said control module, is used to accomplish digital quantity and converts the output of analog electrical flow to;
Power supply unit respectively with said control module, is connected with said D/A conversion unit, is used to this two unit power supplies.
7. air velocity transducer according to claim 6 is characterized in that:
Said power supply unit comprises the LC inductance fiilter of a towering type RC wave filter and said towering type RC wave filter series connection.
8. air velocity transducer according to claim 7 is characterized in that:
Said magnetic induction unit comprises a Hall circuit.
9. air velocity transducer according to claim 8 is characterized in that:
Said control module comprises single-chip microcomputer, and said single-chip microcomputer is provided with high precision oscillator, electrify restoration circuit, in be provided with enhancement mode low current watchdog circuit, said single-chip microcomputer inside is provided with A/D converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203091038U CN202177636U (en) | 2011-08-23 | 2011-08-23 | Anti-freezing wind speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203091038U CN202177636U (en) | 2011-08-23 | 2011-08-23 | Anti-freezing wind speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202177636U true CN202177636U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203091038U Expired - Lifetime CN202177636U (en) | 2011-08-23 | 2011-08-23 | Anti-freezing wind speed sensor |
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| CN (1) | CN202177636U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163322A (en) * | 2013-02-06 | 2013-06-19 | 浙江贝良风能电子科技有限公司 | Anti-freeze wind detecting sensor |
| CN106199059A (en) * | 2016-07-28 | 2016-12-07 | 无锡信大气象传感网科技有限公司 | A kind of Anti-freezing anemobiagraph |
| CN106226547A (en) * | 2016-07-28 | 2016-12-14 | 无锡信大气象传感网科技有限公司 | A kind of anemoclinograph under wind and snow freezing weather |
| WO2019242346A1 (en) * | 2018-06-21 | 2019-12-26 | 东南大学 | Ultrawide range anemometer and manufacturing method |
| CN112147363A (en) * | 2020-09-27 | 2020-12-29 | 珠海大横琴科技发展有限公司 | Wind speed sensor device |
-
2011
- 2011-08-23 CN CN2011203091038U patent/CN202177636U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163322A (en) * | 2013-02-06 | 2013-06-19 | 浙江贝良风能电子科技有限公司 | Anti-freeze wind detecting sensor |
| CN103163322B (en) * | 2013-02-06 | 2014-06-18 | 浙江贝良风能电子科技有限公司 | Anti-freeze wind detecting sensor |
| CN106199059A (en) * | 2016-07-28 | 2016-12-07 | 无锡信大气象传感网科技有限公司 | A kind of Anti-freezing anemobiagraph |
| CN106226547A (en) * | 2016-07-28 | 2016-12-14 | 无锡信大气象传感网科技有限公司 | A kind of anemoclinograph under wind and snow freezing weather |
| WO2019242346A1 (en) * | 2018-06-21 | 2019-12-26 | 东南大学 | Ultrawide range anemometer and manufacturing method |
| CN112147363A (en) * | 2020-09-27 | 2020-12-29 | 珠海大横琴科技发展有限公司 | Wind speed sensor device |
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Granted publication date: 20120328 |
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