CN207866844U - A kind of wind detection sensor that effective anti-ice is frozen - Google Patents
A kind of wind detection sensor that effective anti-ice is frozen Download PDFInfo
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- CN207866844U CN207866844U CN201721642999.5U CN201721642999U CN207866844U CN 207866844 U CN207866844 U CN 207866844U CN 201721642999 U CN201721642999 U CN 201721642999U CN 207866844 U CN207866844 U CN 207866844U
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Abstract
The utility model discloses a kind of wind detection sensors that effective anti-ice is frozen, including main body, the body top is equipped with rotation axis, rotatable vane component is installed in the rotation axis, the vane component includes the pedestal of installation on the rotating shaft, three supporting racks being circumferentially uniformly arranged along the pedestal and vane in each supporting rack end is set, inside the vane and chassis interior is respectively arranged with PTC heated at constant temperature parts, the PTC heated at constant temperature part is connect by connecting line with the magnet ring being set on the base, fixed magnetic conductor is additionally provided in the main body, when the vane component rotation, between the magnetic conductor and magnet ring the PTC heated at constant temperature part work is controlled by generating electromagnetic induction.The utility model is simple in structure, easily controllable, dependable performance, applies in the environment of easily freezing, is highly resistant to refrigerated environment, prevents icing phenomenon.
Description
Technical field
The utility model is related to wind detection sensor technical fields, more particularly to a kind of survey wind sensing that effective anti-ice is frozen
Device.
Background technology
Currently, there is a situation where freeze that two kinds can be divided into for wind detection sensor：Glaze and rime.Glaze is specific low temperature ring
Sleet is formed under border, and rime is that specific low temperature environment declines mist formation.The environment for herein forming glaze and rime, system
One is known as refrigerated environment.For Wind turbines, wind detection sensor is at this stage there is a phenomenon where freezing under refrigerated environment
The most common and most thorny issue faced, will cause the shutdown of Wind turbines, seriously affects the generated energy of Wind turbines.
Such as three cup type anemobiagraph of traditional wind detection sensor, heater are located at below rotating bracket, pass through air heat
The mode of convection current and heat radiation makes rotating bracket be heated, and so that vane position is heated in such a way that holder heat is transmitted.
In this mode of heating, the whole process of heat transfer is contacted with air, therefore, more heat transfer occurs in transmittance process
Loss, causes the heat for being transmitted to vane position to be insufficiently resistant to refrigerated environment, to which icing phenomenon generally occur.Also because
This, when traditional wind detection sensor freezes, most cases are that rotary part and vane part freeze, but at present no matter
It is that the problem can not all be well solved by the power of increase heater or the start-up temperature of promotion heater.
Patent document CN202502108U discloses a kind of antifreeze anemobiagraph, and resistance wire is increased inside vane, leads to
Resistance wire fever is crossed to transmit heat, but since mode of heating is still that heat is transmitted, easily causes thermal loss, it is difficult to ensure that constant temperature adds
Heat.CN106199059A discloses a kind of Anti-freezing anemobiagraph, realizes heating by electrically heated mode and passes through mercury
Expansion fashion keeps constant temperature, and during heating, heating temperature rises and temperature is held apart at control, but the structure of this mode
More complex, heating is more difficult to control, and reliability is difficult to ensure.
It can be seen that above-mentioned existing wind detection sensor is in structure and use, there are still there is inconvenient and defect, and urgently
It is further improved.
Utility model content
The purpose of this utility model is to provide a kind of wind detection sensor that effective anti-ice is frozen, and keeps its simple in structure, is easy to control
System, dependable performance are applied in the environment of easily freezing, are highly resistant to refrigerated environment, prevent icing phenomenon.
To achieve the above object, the utility model adopts the following technical solution：
A kind of wind detection sensor that effective anti-ice is frozen, including main body, the body top are equipped with rotation axis, the rotation axis
On rotatable vane component is installed, the vane component includes installation pedestal on the rotating shaft, along pedestal circumferential direction
Three supporting racks being uniformly arranged and vane in each supporting rack end is set, inside the vane and chassis interior difference
PTC heated at constant temperature parts are provided with, the PTC heated at constant temperature part is connect by connecting line with the magnet ring being set on the base, described
It is additionally provided with fixed magnetic conductor in main body, passes through when the vane component rotates, between the magnetic conductor and magnet ring and generates electricity
Magnetic induction controls the PTC heated at constant temperature part work.
As a further improvement, the vane component is split structure, by the windward cup parts that are fixedly connected and under
Vane component forms, wherein the windward cup parts include upper bed-plate, upper support frame and upper vane, the leeward cup parts packet
Lower bottom base, lower bracing frame and lower vane are included, the PTC heated at constant temperature part is arranged between the upper bed-plate and lower bottom base and institute
It states between vane and lower vane, the connecting line is arranged between the upper support frame and lower bracing frame.
It is separately provided for coordinating on the upper bed-plate and lower bottom base and end face of the upper vane and lower vane
The mounting groove of the PTC heated at constant temperature part is installed.
The slot of sunkening cord that the connecting line is placed in cooperation is separately provided on the upper support frame and lower bracing frame.
It is fixedly connected by adhesive between the windward cup parts and leeward cup parts.
Due to the adoption of the above technical scheme, the utility model has at least the following advantages：
(1) the utility model optimizes the heating position of vane components interior, and improves the efficiency of heating surface and heating surface (area) (HS.
(2) by using the heating of control PTC thermistor, keep the rotary parts such as pedestal, the vane of vane component whole
In heated at constant temperature state.
(3) the utility model simplifies principle of heating and heating structure, improves product reliability.
(4) wind detection sensor of the utility model is applied in the environment of easily freezing, is highly resistant to frost ring
Border prevents icing phenomenon.
Description of the drawings
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand the technology hand of the utility model
Section, below in conjunction with attached drawing, the utility model is described in further detail with specific implementation mode.
Fig. 1 is the overall structure diagram of the vane component of the wind detection sensor of the utility model.
Fig. 2 is the split structure schematic diagram of the vane component of the wind detection sensor of the utility model.
Fig. 3, Fig. 4 are the arrangement schematic diagram of the PTC heating member different visual angles on the leeward cup parts of the utility model respectively.
In figure：1- leeward cup parts, 2- windward cup parts, vane under 3-, 4- lower bracing frames, 5- lower bottom bases, 6-PTC temperature-sensitives
Resistance, 7- connecting lines.
Specific implementation mode
The utility model provides a kind of wind detection sensor that effective anti-ice is frozen, and compares traditional mode of heating, the practicality
Novel main improvement is the heating position by optimizing vane components interior, in the rotation sections such as the pedestal of vane component and vane
The pre-buried PTC thermistor in position, and further realize that the thermostatic control of PTC thermistor is heated by electromagnetic inductive heating principle,
To make the rotary part of vane component be completely in heated at constant temperature state, the effect for resisting refrigerated environment is played.
PTC thermistor have constant temperature warming characteristic, principle be PTC thermistor power-up after self-heating heating make resistance value into
Enter transition area, heated at constant temperature PTC thermistor surface temperature will keep constant value, Curie of the temperature with PTC thermistor
Temperature is related with applied voltage, and substantially unrelated with environment temperature.
Above-mentioned PTC thermistor can carry out heated at constant temperature control by the principle of heating of electromagnetic induction, specifically, described
Wind detection sensor detects environment temperature, the start-up temperature and stopping temperature of set temperature sensor, example by temperature sensor
Such as be arranged start-up temperature be 10 DEG C and stop temperature be 15 DEG C, in the main body of wind detection sensor, rotary part be arranged magnet ring,
Magnetic conductor is set in fixed position, the magnetic conductor cutting magnetic induction line when vane component rotates generates electromagnetic induction, makes vane component
Rotary part be completely in heated at constant temperature state, to play resist refrigerated environment effect, prevent icing phenomenon.
From the above mentioned, the wind detection sensor of the utility model, main improvement part are above-mentioned vane component and its heating
Mode when practical application, can keep the other component shape of original wind detection sensor constant, and mainly enterprising in vane component
Row Optimal improvements.Specifically, as an implementation, the structure of the main associated components of the wind detection sensor with connect close
System's setting is as follows：
1. as shown in Figure 1, 2, rotatable vane component is split structure, including leeward cup parts 1 and windward cup portion
Part 2.The two symmetrical configuration, is oppositely arranged and connection fastened to each other.By taking leeward cup parts 1 shown in Fig. 3,4 as an example, under described
Vane component is by lower bottom base 5, three lower bracing frames 4 being circumferentially uniformly arranged along the lower bottom base 5 and is mounted on the lower branch
The lower vane 3 of 4 end of support is constituted.Accordingly, the windward cup parts are circumferentially uniformly set by upper bed-plate, along the upper bed-plate
Three upper support frames set and the upper vane mounted on the upper support frame end are constituted.Wherein, the lower vane 3 and windward
Cup is interconnected into the vane of an entirety by end face.
2. leeward cup parts 1 and windward cup parts 2 can be linked together by adhesive, complete rotatable wind is formed
Cup parts, which will be in the rotation axis of wind detection sensor body top.
3. coordinating Fig. 3, shown in 4, the first part for heating position is that PTC thermistor 6 is embedded in three vanes respectively
Inside PTC mounting grooves.The mounting groove is formed from being in the wind with the groove being respectively set on cup and lower vane.
4. coordinating Fig. 3, shown in 4, the second part for heating position is the PTC mounting grooves that PTC thermistor 6 is embedded in pedestal
It is internal.The mounting groove forms with the groove being respectively set on upper bed-plate and lower bottom base.
5. coordinating Fig. 3, shown in 4, the connecting line 7 of PTC thermistor 6 is embedded in inside the slot of sunkening cord of supporting rack, this is sunken cord
Slot forms with the groove being respectively set on upper support frame and lower bracing frame.
PTC thermistor 6 is connected to by connecting line 7 on the magnet ring inside pedestal.Position where above-mentioned magnet ring is to survey
The rotary part of wind sensor, correspondingly, magnetic conductor can then be fixedly installed on the fixed position on wind detection sensor ontology, realize
For wind detection sensor in rotation, magnetic conductor cuts the magnetic induction line of rotary part.
As a result of above technical scheme, the utility model is by the principle of heating of existing wind detection sensor and heats position
Be improved, especially increase PTC thermistor inside the rotary parts such as the pedestal of vane component and vane so that pedestal and
Vane position is in heated at constant temperature, will not cause thermal loss, and can solve traditional heating mode due to heat shortage causes to survey
The problem of wind sensor vane freezes.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
It falls within the protection scope of the present utility model.
Claims (5)
1. the wind detection sensor that a kind of effective anti-ice is frozen, including main body, the body top is equipped with rotation axis, in the rotation axis
Rotatable vane component is installed, the vane component includes installation pedestal on the rotating shaft, circumferentially equal along the pedestal
Three supporting racks of even setting and vane in each supporting rack end is set, which is characterized in that inside the vane and bottom
Seat is internal to be respectively arranged with PTC heated at constant temperature parts, and the PTC heated at constant temperature part passes through connecting line and the magnet ring being set on the base
It connects, fixed magnetic conductor is additionally provided in the main body, when the vane component rotates, lead between the magnetic conductor and magnet ring
It crosses generation electromagnetic induction and controls the PTC heated at constant temperature part work.
2. the wind detection sensor that a kind of effective anti-ice according to claim 1 is frozen, which is characterized in that the vane component is
Split structure is made of, wherein the windward cup parts include upper bottom the windward cup parts and leeward cup parts that are fixedly connected
Seat, upper support frame and upper vane, the leeward cup parts include lower bottom base, lower bracing frame and lower vane, the PTC heated at constant temperature
Part is arranged between the upper bed-plate and lower bottom base and between the upper vane and lower vane, and the connecting line is arranged described
Between upper support frame and lower bracing frame.
3. the wind detection sensor that a kind of effective anti-ice according to claim 2 is frozen, which is characterized in that the upper bed-plate is under
It is separately provided for cooperation on the pedestal and end face of the upper vane and lower vane, the PTC heated at constant temperature part is installed
Mounting groove.
4. the wind detection sensor that a kind of effective anti-ice according to claim 2 is frozen, which is characterized in that the upper support frame and
The slot of sunkening cord that the connecting line is placed in cooperation is separately provided in lower bracing frame.
5. the wind detection sensor that a kind of effective anti-ice according to claim 2 is frozen, which is characterized in that the windward cup parts
It is fixedly connected by adhesive between leeward cup parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721642999.5U CN207866844U (en) | 2017-11-30 | 2017-11-30 | A kind of wind detection sensor that effective anti-ice is frozen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721642999.5U CN207866844U (en) | 2017-11-30 | 2017-11-30 | A kind of wind detection sensor that effective anti-ice is frozen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866844U true CN207866844U (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721642999.5U Active CN207866844U (en) | 2017-11-30 | 2017-11-30 | A kind of wind detection sensor that effective anti-ice is frozen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376398A (en) * | 2019-08-12 | 2019-10-25 | 浙江贝良风能电子科技有限公司 | Anti-freezing air velocity transducer |
| CN114109744A (en) * | 2021-12-16 | 2022-03-01 | 中国华能集团清洁能源技术研究院有限公司 | Wind measuring system and method |
-
2017
- 2017-11-30 CN CN201721642999.5U patent/CN207866844U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376398A (en) * | 2019-08-12 | 2019-10-25 | 浙江贝良风能电子科技有限公司 | Anti-freezing air velocity transducer |
| CN114109744A (en) * | 2021-12-16 | 2022-03-01 | 中国华能集团清洁能源技术研究院有限公司 | Wind measuring system and method |
| CN114109744B (en) * | 2021-12-16 | 2024-01-23 | 中国华能集团清洁能源技术研究院有限公司 | Wind measuring system and method |
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