CN104062459A - Low-temperature freezing-resistant wind speed sensor - Google Patents
Low-temperature freezing-resistant wind speed sensor Download PDFInfo
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- CN104062459A CN104062459A CN201410329141.8A CN201410329141A CN104062459A CN 104062459 A CN104062459 A CN 104062459A CN 201410329141 A CN201410329141 A CN 201410329141A CN 104062459 A CN104062459 A CN 104062459A
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- wind speed
- base
- windmill
- temperature
- bearing
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Abstract
A low-temperature freezing-resistant wind speed sensor comprises a base, wherein a bottom cover is arranged at the bottom of the base, a circuit board is arranged in the base, a bearing pedestal is arranged on the upper portion of the base, a windmill rotating shaft is arranged in the middle of the bearing pedestal, bearings are arranged on the two sides of the windmill rotating shaft, bearing sleeves are arranged outside the bearings, a wind speed rotating disk is arranged on the upper portion of the bearing pedestal, a windmill framework is arranged on the top of the bearing pedestal, three cavities are formed in the bearing pedestal, each of the three cavities is provided with a constant-temperature thermistor, the surface temperature of each constant-temperature thermistor is 60 DEG C, the working voltages of each constant-temperature thermistor is 24 V, and the power of each constant-temperature thermistor ranges from 2 W to 8 W; the windmill framework comprises three supports which are located on the same plane, a 120-degree included angle is formed between every two supports, and a wind cup is arranged on each support. The low-temperature freezing-resistant wind speed sensor is simple in structure, low in cost, capable of being used in the environment with the temperature lower than 0 DEG C and sensitive to wind speed induction.
Description
Technical field
The present invention relates to a kind of low temperature anti-ice and freeze type air velocity transducer.
Background technology
Air velocity transducer, is by vane, windmill skeleton, wind speed rotating disk, bearing seat, constant temperature thermistor, base, and Windmill rotary axle, bearing, bearing holder (housing, cover), circuit board form.Air velocity transducer is to utilize vane induction wind-force, drives wind speed rotating disk to rotate relative to bearing seat, and by signals collecting and conditioning, circuit is converted into electric signal by wind speed, and the curtage signal that output and wind speed are linear, measures corresponding wind speed.
Air velocity transducer, under low-temperature cold (≤0 ℃) weather, easily freezes between wind speed rotating disk and bearing seat, causes wind speed rotating disk to rotate, and sensor failure, affects the normal use of air velocity transducer.Existing anti-freezing type air velocity transducer is mainly to rely on external temp sensor and temperature controller to realize, and at the inner built-in resistive heater of air velocity transducer, when temperature sensor is during higher than 0 ℃, temperature controller is controlled resistive heater and is not worked, when temperature is during lower than 0 ℃, temperature controller is controlled resistive heater work, realizes heating function; This kind of anti-freezing type air velocity transducer implementation is complicated, and cost is higher.
In addition, the vane of existing air velocity transducer is commonly one or two, and the startup wind speed of this kind of air velocity transducer is higher, sensitive not to the induction of wind speed.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the deficiency of above-mentioned background technology, provide a kind of simple in structure, cost is lower, wind speed is responded to sensitive low temperature anti-ice freezes type air velocity transducer.
The technical scheme that the present invention solves its technical matters employing is, a kind of low temperature anti-ice is frozen type air velocity transducer, comprise base, the bottom of base is provided with bottom, the inside of base is provided with circuit board, the top of base is provided with bearing seat, the middle part of bearing seat is provided with Windmill rotary axle, the both sides of Windmill rotary axle are provided with bearing, bearing is outside equipped with bearing holder (housing, cover), the top of bearing seat is provided with wind speed rotating disk, the top of bearing seat is provided with windmill skeleton, in described bearing seat, be provided with three cavitys, in three cavitys, constant temperature thermistor is all installed, the surface temperature of described constant temperature thermistor is 60 ℃, operating voltage is 24V, power bracket is 2～8W, described windmill skeleton comprises three supports, and three supports are in same plane, and every two supports are 120 ° of angles mutually, on each support, are provided with vane.
Further, the rotation diameter of described vane is 200mm.
Compared with prior art, advantage of the present invention is as follows:
(1) be provided with three constant temperature thermistors, constant temperature thermistor can not need to increase in addition temperature measurement and control part according to the automatic regulating power of temperature variation again, and the present invention is simple in structure, cost is lower.
(2) surface temperature of constant temperature thermistor is 60 ℃, operating voltage is 24V, power bracket is 2～8W, under the environment lower than 0 ℃, can either reach heating effect, prevent freezing, guarantee wind speed rotating disk normal rotation, again can Control Shaft seat surface temperature between 8～85 ℃, the impact on the performance of electronic component while avoiding bearing seat surface temperature higher than 90 ℃, guarantees measuring accuracy of the present invention.
(3) be provided with three vanes, can effectively reduce startup wind speed, sensitiveer to the induction of wind speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of vane in the embodiment of the present invention
In figure: 1-vane, 2-support, 3-bottom, 4-windmill skeleton, 5-wind speed rotating disk, 6-bearing seat, 7-constant temperature thermistor, 8-base, 9-Windmill rotary axle, 10-bearing, 11-bearing holder (housing, cover), 12-circuit board.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
With reference to Fig. 1, the present embodiment comprises base 8, and the bottom of base 8 is provided with bottom 3, and the inside of base 8 is provided with circuit board 12, and the top of base 8 is provided with bearing seat 6, and in actual applications, bearing seat 6 adopts metallic aluminium to make.
In bearing seat 6, be provided with three cavitys, in three cavitys, constant temperature thermistor 7 is all installed, the middle part of bearing seat 6 is provided with Windmill rotary axle 9, the both sides of Windmill rotary axle 9 are provided with bearing 10, bearing 10 is outside equipped with bearing holder (housing, cover) 11, the top of bearing seat 6 is provided with wind speed rotating disk 5, the top of bearing seat 6 is provided with windmill skeleton 4, with reference to Fig. 2, windmill skeleton 4 comprises that 2, three supports 2 of three supports are in same plane, every two supports 2 are 120 ° of angles mutually, on each support 2, be provided with vane 1, under duty, the rotation diameter of vane 1 is 200mm.
Under normal temperature environment, vane 1 induction wind-force, drives wind speed rotating disk 5 to rotate relative to bearing seat 6, and by signals collecting and conditioning, circuit is converted into electric signal by wind speed, and the curtage signal that output and wind speed are linear, measures corresponding wind speed.
Constant temperature thermistor 7 can be according to the automatic regulating power of temperature variation, do not need to increase in addition again temperature measurement and control part, the surface temperature of constant temperature thermistor 7 is 60 ℃, operating voltage is 24V, power bracket is 2～8W, after energising, the heat of constant temperature thermistor 7 conducts on bearing seat 6, makes bearing seat 6 surface temperatures can maintain 8～85 ℃.
The present invention can use under ℃ environment of outdoor-40～85, and especially, under the environment lower than 0 ℃, wind speed rotating disk 5 can normal rotation.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these revise and modification within the scope of the claims in the present invention and equivalent technologies thereof, these modifications and modification are also within protection scope of the present invention.
The prior art that the content of not describing in detail in instructions is known to the skilled person.
Claims (2)
1. a low temperature anti-ice is frozen type air velocity transducer, comprise base (8), the bottom of base (8) is provided with bottom (3), the inside of base (8) is provided with circuit board (12), the top of base (8) is provided with bearing seat (6), the middle part of bearing seat (6) is provided with Windmill rotary axle (9), the both sides of Windmill rotary axle (9) are provided with bearing (10), bearing (10) is outside equipped with bearing holder (housing, cover) (11), the top of bearing seat (6) is provided with wind speed rotating disk (5), the top of bearing seat (6) is provided with windmill skeleton (4), it is characterized in that: in described bearing seat (6), be provided with three cavitys, constant temperature thermistor (7) is all installed in three cavitys, the surface temperature of described constant temperature thermistor (7) is 60 ℃, operating voltage is 24V, power bracket is 2～8W, described windmill skeleton (4) comprises three supports (2), and three supports (2) are in same plane, and every two supports (2) are 120 ° of angles mutually, are provided with vane (1) on each support (2).
2. low temperature anti-ice as claimed in claim 1 is frozen type air velocity transducer, it is characterized in that: the rotation diameter of described vane (1) is 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329141.8A CN104062459A (en) | 2014-07-11 | 2014-07-11 | Low-temperature freezing-resistant wind speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329141.8A CN104062459A (en) | 2014-07-11 | 2014-07-11 | Low-temperature freezing-resistant wind speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104062459A true CN104062459A (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410329141.8A Pending CN104062459A (en) | 2014-07-11 | 2014-07-11 | Low-temperature freezing-resistant wind speed sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104062459A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675915A (en) * | 2016-03-29 | 2016-06-15 | 浙江贝良风能电子科技有限公司 | Wireless heating wind parameter measurement device |
| CN106199055A (en) * | 2016-07-06 | 2016-12-07 | 江苏智慧农业技术有限公司 | A kind of field planting wind speed measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201796046U (en) * | 2010-09-05 | 2011-04-13 | 浙江贝良风能电子科技有限公司 | Wind speed sensor |
| CN103217549A (en) * | 2013-03-29 | 2013-07-24 | 北京遥测技术研究所 | Thermistor type air velocity transducer with temperature compensation |
| CN203405474U (en) * | 2013-09-05 | 2014-01-22 | 安徽理工大学 | Anemorumbometer |
| CN103543287A (en) * | 2013-10-31 | 2014-01-29 | 东南大学 | Spherical wind speed and direction sensor structure |
| CN203949931U (en) * | 2014-07-11 | 2014-11-19 | 湖南宇航科技有限公司 | Low temperature anti-ice is frozen type air velocity transducer |
-
2014
- 2014-07-11 CN CN201410329141.8A patent/CN104062459A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201796046U (en) * | 2010-09-05 | 2011-04-13 | 浙江贝良风能电子科技有限公司 | Wind speed sensor |
| CN103217549A (en) * | 2013-03-29 | 2013-07-24 | 北京遥测技术研究所 | Thermistor type air velocity transducer with temperature compensation |
| CN203405474U (en) * | 2013-09-05 | 2014-01-22 | 安徽理工大学 | Anemorumbometer |
| CN103543287A (en) * | 2013-10-31 | 2014-01-29 | 东南大学 | Spherical wind speed and direction sensor structure |
| CN203949931U (en) * | 2014-07-11 | 2014-11-19 | 湖南宇航科技有限公司 | Low temperature anti-ice is frozen type air velocity transducer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675915A (en) * | 2016-03-29 | 2016-06-15 | 浙江贝良风能电子科技有限公司 | Wireless heating wind parameter measurement device |
| CN106199055A (en) * | 2016-07-06 | 2016-12-07 | 江苏智慧农业技术有限公司 | A kind of field planting wind speed measuring device |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140924 |