CN203949931U - Low temperature anti-ice is frozen type air velocity transducer - Google Patents
Low temperature anti-ice is frozen type air velocity transducer Download PDFInfo
- Publication number
- CN203949931U CN203949931U CN201420383702.8U CN201420383702U CN203949931U CN 203949931 U CN203949931 U CN 203949931U CN 201420383702 U CN201420383702 U CN 201420383702U CN 203949931 U CN203949931 U CN 203949931U
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- Prior art keywords
- bearing seat
- bearing
- windmill
- base
- supports
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- Expired - Lifetime
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- 208000002925 dental caries Diseases 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 abstract description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
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- Wind Motors (AREA)
Abstract
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 bearing seat, be provided with three cavitys, in three cavitys, constant temperature thermistor is all installed, the surface temperature of constant temperature thermistor is 60 ℃, operating voltage is 24V, power bracket is 2～8W, 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.The utility model is simple in structure, and cost is lower, can in the environment below 0 ℃, use, sensitive to wind speed induction.
Description
Technical field
The utility model relates to a kind of low temperature anti-ice and freezes 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.
Utility model content
Technical problem to be solved in the utility model 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 utility model 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 utility model 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 utility model 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 utility model.
(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 utility model embodiment.
Fig. 2 is the structural representation of vane in the utility model embodiment
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 utility model 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 utility model can be used 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 utility model embodiment; if these modifications and modification are within the scope of the utility model claim and equivalent technologies thereof, these modifications and modification are also within protection domain of the present utility model.
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 |
|---|---|---|---|
| CN201420383702.8U CN203949931U (en) | 2014-07-11 | 2014-07-11 | Low temperature anti-ice is frozen type air velocity transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420383702.8U CN203949931U (en) | 2014-07-11 | 2014-07-11 | Low temperature anti-ice is frozen type air velocity transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203949931U true CN203949931U (en) | 2014-11-19 |
Family
ID=51891960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420383702.8U Expired - Lifetime CN203949931U (en) | 2014-07-11 | 2014-07-11 | Low temperature anti-ice is frozen type air velocity transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203949931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062459A (en) * | 2014-07-11 | 2014-09-24 | 湖南宇航科技有限公司 | Low-temperature freezing-resistant wind speed sensor |
-
2014
- 2014-07-11 CN CN201420383702.8U patent/CN203949931U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062459A (en) * | 2014-07-11 | 2014-09-24 | 湖南宇航科技有限公司 | Low-temperature freezing-resistant wind speed sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUNAN FIRSTRATE SENSOR CO., LTD. Free format text: FORMER OWNER: HUNAN YUHANG TECHNOLOGY CO., LTD. Effective date: 20150505 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410000 CHANGSHA, HUNAN PROVINCE TO: 410118 CHANGSHA, HUNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150505 Address after: Voyage Enterprise Square 18 No. 410118 Hunan province Changsha Electrolux Muyun Road Economic Development Zone F Patentee after: FIRSTRATE SENSOR CO.,LTD. Address before: 410000, 52 camphor Road, Yuhua District, Hunan, Changsha Patentee before: HUNAN YUHANG TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |