CN206557629U - Direct-heating constant temperature control wind sensor - Google Patents
Direct-heating constant temperature control wind sensor Download PDFInfo
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- CN206557629U CN206557629U CN201720192647.8U CN201720192647U CN206557629U CN 206557629 U CN206557629 U CN 206557629U CN 201720192647 U CN201720192647 U CN 201720192647U CN 206557629 U CN206557629 U CN 206557629U
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- constant temperature
- temperature control
- wind sensor
- heating
- sensor
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Abstract
Direct-heating constant temperature control wind sensor, belongs to meteorologic survey apparatus technical field.Including wind sensor, wind sensor includes rotor and stator, it is characterised in that：The outside of air velocity transducer and the stator of wind transducer is provided with electric heater and temperature sensor（4）, it is provided with constant temperature control circuit, the feeder ear and temperature sensor of electric heater（4）Output end simultaneously access constant temperature control circuit in, described electric heater is the heating film for being wrapped in the stator exterior（6）.In this direct-heating constant temperature control wind sensor, by setting electric heater to heat the stator of wind sensor, temperature sensor and constant temperature control circuit are set simultaneously, so that the temperature of stator is in a stationary temperature is interval, effectively prevent because environment temperature is low and caused by wind sensor freeze, while it also avoid because heating-up temperature it is too high to sensor gather impact and electric resources waste.
Description
Technical field
Direct-heating constant temperature control wind sensor, belongs to meteorologic survey apparatus technical field.
Background technology
Wind sensor is the common measuring instrument of meteorological field, mainly by wind transducer component and air velocity transducer component
Composition.Wherein wind transducer has similar part with the mechanical mechanism of air velocity transducer：Include stator and rotor,
In wind transducer, wind vane is provided with its rotor, when wind direction changes, is sent out between wind vane rotor driven and stator
It is raw to relatively rotate；And in air velocity transducer, one group of vane is fixed with its rotor, vane is with the change rotor driven of wind speed
Relatively rotated between stator.
Antifreezing measures are not equipped with existing wind sensor, therefore automatic weather station is in the winter time, it is particularly northern
Automatic weather station there is the phenomenon that air velocity transducer and wind transducer are frozen in by low temperature mostly, especially there is sleet sky
The possibility that wind sensor is freezed during the weather of gas even dense fog or part is freezed is higher, and wind sensor is freezing
After freezing firmly or partly, wind direction, wind speed record can be caused to lack survey or measure and forbidden, therefore data availability rate is reduced, so that meeting
To influenceing normal meteorological work.
The content of the invention
The technical problems to be solved in the utility model is：Overcome the deficiencies in the prior art there is provided one kind by setting electricity to add
Hot device is heated to the stator of wind sensor, while setting temperature sensor and constant temperature control circuit so that the temperature of stator
In stationary temperature is interval, effectively prevent because environment temperature is low and caused by wind sensor freeze, while also avoiding
Sensor is gathered because heating-up temperature is too high impact and electric resources waste direct-heating constant temperature control wind sensing
Device.
The utility model solves the technical scheme that its technical problem used：The direct-heating constant temperature control wind sensing
Device, including wind sensor, wind sensor include rotor and stator, it is characterised in that：In air velocity transducer and wind transducer
The outside of stator is provided with electric heater and temperature sensor, is provided with constant temperature control circuit, the feeder ear of electric heater with
And the output end of temperature sensor is accessed in constant temperature control circuit simultaneously, described electric heater is to be wrapped in the stator exterior
Heating film.
It is preferred that, described constant temperature control circuit includes temperature measurement module, comparison module and control module, temperature measurement module
Signal output part connects the signal input part of comparison module, the signal of the control signal output link control module of comparison module
In input, the current supply circuit of control module access electric heater.
It is preferred that, described temperature measurement module includes temperature sensor and two current potentials simultaneously in parallel with temperature sensor
Device, the voltage division signal of two potentiometers is respectively connected to two reference voltage input terminals of comparison module.
It is preferred that, described comparison module is NE555 timer chips.
It is preferred that, described heating film is Kapton Electric radiant Heating Film.
It is preferred that, it is provided with heat-insulation layer outside described electric heater.
Compared with prior art, the utility model is had an advantageous effect in that：
1st, in this direct-heating constant temperature control wind sensor, by setting electric heater to enter the stator of wind sensor
Row heating, while setting temperature sensor and constant temperature control circuit so that the temperature of stator is interval interior in a stationary temperature,
Effectively prevent because environment temperature is low and caused by wind sensor freeze, while it also avoid because heating-up temperature is too high to sensor
Collection impacts the waste with electric resources.
2nd, heating film is realized using the direct current 12V Kapton Electric radiant Heating Films powered, Kapton Electric radiant Heating Film knot
Structure is light and handy, while having excellent dielectric strength, dielectric strength, heat conduction efficiency, resistance stability and the fast, thermal efficiency that generates heat
High advantage, while the convenient stator with wind sensor is brought into close contact.
3rd, heat-insulation layer is arranged by the outside in heating film, so as to be prevented effectively from the waste of heat.
4th, the big prison station of China, Regional automatic station are powered using direct current 12V mostly, and especially Regional automatic station does not have mostly
The condition of Alternating Current Power Supply, therefore the Kapton Electric radiant Heating Film powered using direct current 12V is more advantageous as heating film, side
Just popularization and application.
Brief description of the drawings
Fig. 1 is direct-heating constant temperature control wind sensor structural representation.
Fig. 2 is direct-heating constant temperature control wind sensor constant temperature control circuit functional-block diagram.
Fig. 3 is direct-heating constant temperature control wind sensor constant temperature control circuit functional-block diagram.
Wherein：1st, vane 2, vane connecting rod 3, air velocity transducer rotor 4, temperature sensor 5, air velocity transducer
Stator 6, heating film 7, stator seat.
Embodiment
Fig. 1 ~ 3 are most preferred embodiments of the present utility model, and 1 ~ 3 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
Wind sensor includes air velocity transducer and wind transducer, and air velocity transducer and wind transducer are provided with fixed
Son and rotor, are wherein fixed with wind vane, the rotor of air velocity transducer on the rotor of wind transducer and are fixed with vane component.
With reference to Fig. 1, this direct-heating constant temperature control wind sensor is illustrated by taking air velocity transducer as an example：The bottom of air velocity transducer
For stator seat 7, the upper end of stator seat 7 is fixed with air velocity transducer stator 5, rotatable on the top of air velocity transducer stator 5
Air velocity transducer rotor 3 is installed, the top of air velocity transducer rotor 3 is fixed with vane component.Vane component includes three wind
Cup 1 and with three vanes, 1 one-to-one three vane connecting rod 2, it is by three vane connecting rods 2 that three vanes 1 are uniform
It is fixed on the top of air velocity transducer rotor 3.
Heating film 6 is enclosed with the outlet of air velocity transducer stator 5, in this direct-heating constant temperature control wind sensor
In, heating film 6 is realized using the direct current 12V Kapton Electric radiant Heating Films powered, Kapton Electric radiant Heating Film light structure,
There is excellent dielectric strength, dielectric strength, heat conduction efficiency, resistance stability simultaneously and that heating is fast, the thermal efficiency is high is excellent
Point, while facilitating heating film 6 to be brought into close contact with air velocity transducer stator 5.The power input of heating film 6 is accessed permanent by wire
In temperature controller, temperature sensor 4 is fixedly arranged above in heating film 6, temperature sensor 4 is close to the shell of wind sensor, from
And the temperature on air velocity transducer surface can be determined in real time, the terminals of temperature sensor 4 access constant temperature by wire simultaneously
In controller.If air velocity transducer is arranged in the extremely low environment of temperature, insulation can also be arranged in the outside of heating film 6
Layer, so as to be prevented effectively from the waste of heat.
Above-mentioned radiator valve includes shell and the constant temperature control circuit being fixed in shell, as shown in Fig. 2 constant temperature
Circuit is controlled to include temperature measurement module, comparison module and control module, the signal output part connection comparison module of temperature measurement module
Signal input part, the signal input part of the control signal output link control module of comparison module, control module access heating
In the current supply circuit of film 6.
Temperature measurement module sends into the data real-time monitored in comparison module, the temperature that comparison module is sent into according to temperature measurement module
Degrees of data is controlled to control module, and when the temperature that thermal module is measured is less than design temperature, comparison module passes through control
Module connects the current supply circuit of heating film 6；When the temperature that thermal module is measured is higher than design temperature, comparison module passes through control
Module disconnects the current supply circuit of heating film 6.Temperature measurement module includes above-mentioned temperature sensor 4.
As shown in figure 3, in the constant temperature control circuit of this direct-heating constant temperature control wind sensor, 12V dc sources
Positive pole parallel resistance R2 ~ R3 one end, thermal resistance RT1 one end and integrated chip U1 simultaneously 4 pin and 8 pin, resistance R2
Other end series connection light emitting diode D3 ground connection, resistance R3 other end SRE KA1 normally opened contact KA1-1 ground connection.
The thermal resistance RT1 other end is while potentiometer RP1 ~ RP2 one end in parallel and integrated chip U1 2 pin and 6 pin, potentiometer
RP1 ~ RP2 one end and adjustable side is grounded simultaneously.Integrated chip U1 1 pin ground connection, 5 pin series capacitance C1 ground connection.Integrated core
Piece U1 3 pin parallel-connection light-emitting diodes D1 anode, one end of relay KA1 coils and diode D2 simultaneously negative electrode, hair
Optical diode D1 negative electrode series resistance R1 ground connection, the plus earth of the other end and diode D2 of relay KA1 coils.
Integrated chip U1 is above-mentioned comparison module, is realized using NE555 timer chips.Thermal resistance RT1 is as above-mentioned
Temperature sensor 4, thermal resistance RT1 using NTC negative tempperature coefficient thermistors realize.Thermal resistance RT1 and potentiometer RP1 ~
RP2 constitutes above-mentioned temperature measurement module.Relay KA1 is above-mentioned control module, and resistance R3 represents above-mentioned heating film 6, relay
Device KA1 normally opened contact KA1-1 is connected in the current supply circuit of heating film 6.
Specific work process and operation principle are as follows：
Air velocity transducer is placed on after operating position, is fixed on the temperature sensor 4 on its air velocity transducer stator 5
（Thermal resistance RT1）Start to be monitored the real time temperature of air velocity transducer, and the real-time temperature values monitored feeding is integrated
In chip U1, in this direct-heating constant temperature control wind sensor, by constant temperature control circuit by air velocity transducer stator 5
Temperature heating interval is set as 2 ~ 4 DEG C, and its specific setting up procedure is：Thermal resistance RT1 and potentiometer RP1 composition lowest temperature detections
Resistance, thermal resistance RT1 and potentiometer RP2 composition temperature upper limit detection resistances, when the temperature drop of the shell of air velocity transducer stator 5
When thermal resistance RT1 resistance rise, when dropping to lower limit temperature（2℃）When, regulation potentiometer RP1 resistance makes integrated chip U1
In 2 pin current potential be less than 1/3Vcc（12V）, now integrated chip U1 3 pin output high level, relay KA1 action, it is normally opened touch
Point KA1-1 adhesives, light emitting diode D1 is lighted, and heating film 6 is begun to warm up.When the temperature of the shell of air velocity transducer stator 5 is raised
When, thermal resistance RT1 resistance reduction, when being increased to ceiling temperature（4℃）When, adjust RP2 resistance and make the 6 of integrated chip U1
Current potential at pin is higher than 2/3Vcc（12V）, now integrated chip U1 3 pin output low level, relay KA1 release, it is normally opened touch
Point KA1-1 disconnects, and heating film 6 stops after heating, the resistance that potentiometer RP1 and potentiometer RP2 are determined according to said process, when
When thermal resistance RT1 resistance is corresponding less than 2 DEG C, the current supply circuit conducting of integrated chip U1 control heating films 6, as thermal resistance RT1
Resistance correspondence more than 4 DEG C when, integrated chip U1 control heating film 6 current supply circuit port, it is achieved thereby that wind speed is sensed
The temperature of device stator 5 in a stationary temperature interval, effectively prevent because temperature is too low and caused by wind sensor icing.
When thermostatic control loop is arranged on wind transducer, it is only necessary to which heating film 6 is wound into wind transducer
Stator exterior, remaining embodiment is identical with air velocity transducer, will not be repeated here.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any those skilled in the art are changed or are modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from technical solutions of the utility model content, it is real according to technology of the present utility model
Any simple modification, equivalent variations and remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (6)
1. direct-heating constant temperature control wind sensor, including wind sensor, wind sensor include rotor and stator, its feature exists
In：The outside of air velocity transducer and the stator of wind transducer is provided with electric heater and temperature sensor（4）, it is provided with
Constant temperature control circuit, the feeder ear and temperature sensor of electric heater（4）Output end simultaneously access constant temperature control circuit in,
Described electric heater is the heating film for being wrapped in the stator exterior（6）.
2. direct-heating constant temperature control wind sensor according to claim 1, it is characterised in that：Described thermostatic control
Circuit includes temperature measurement module, comparison module and control module, and the signal output part of temperature measurement module connects the signal of comparison module
Input, the signal input part of the control signal output link control module of comparison module, control module access electric heater
Current supply circuit in.
3. direct-heating constant temperature control wind sensor according to claim 2, it is characterised in that：Described temperature measurement module
Including temperature sensor（4）And and temperature sensor（4）While two potentiometers in parallel, the voltage division signal of two potentiometers
It is respectively connected to two reference voltage input terminals of comparison module.
4. the direct-heating constant temperature control wind sensor according to Claims 2 or 3, it is characterised in that：Described comparison
Module is NE555 timer chips.
5. direct-heating constant temperature control wind sensor according to claim 1, it is characterised in that：Described heating film
（6）For Kapton Electric radiant Heating Film.
6. direct-heating constant temperature control wind sensor according to claim 1, it is characterised in that：In described electrical heating
Heat-insulation layer is provided with outside device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720192647.8U CN206557629U (en) | 2017-03-01 | 2017-03-01 | Direct-heating constant temperature control wind sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720192647.8U CN206557629U (en) | 2017-03-01 | 2017-03-01 | Direct-heating constant temperature control wind sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206557629U true CN206557629U (en) | 2017-10-13 |
Family
ID=60360286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720192647.8U Expired - Fee Related CN206557629U (en) | 2017-03-01 | 2017-03-01 | Direct-heating constant temperature control wind sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206557629U (en) |
-
2017
- 2017-03-01 CN CN201720192647.8U patent/CN206557629U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200301 |
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| CF01 | Termination of patent right due to non-payment of annual fee |