JPS6047989B2 - Detector for thermoelectric anemometer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a detection body for a thermoelectric anemometer that can measure local velocity or velocity and temperature in an airflow.

As shown in FIG. 1, the conventional detecting element lp for a thermoelectric anemometer has a middle part and a leeward end of the tip surface 3 of a rectangular parallelepiped base 2 made of an electrical insulator such as Bakelite or ceramic. The tip of each phosphor bronze straight columnar support 5 for heating wire, inverted L
The tip of the shaped column 6 is protruded, the tip of the inverted L-shaped column 6 protruding toward the windward side is placed directly above the straight column column 5, and the heating wire 7 of nichrome wire is connected between the tips of both columns 5 and 6. Then, a heating wire 7 to be electrically heated is stretched at a position perpendicular to the tip surface 3 of the base, and thermocouple wires are installed at the intermediate position of both supports 5 and 6 on the tip surface 3 of the base and at the windward end. A first thermocouple wire 1 made of alumel wire, with the tip of the first column 8 and the tip of the second column 9 made of alumel protruding, and one end 11 welded to the center of the heating wire 7
Weld the other end of 0 to the tip of the first support 8, and connect the first thermocouple wire 1
The other end of the second thermocouple wire 12, which is a chromel wire with one end 13 welded to a position close to the heating wire connection end 11 of 0, is connected to the second support 9.
is welded to the tip of the first thermocouple wire 10, which is an alumel wire.
, a thermocouple is constituted by a first column 8 made of alumel, a second column 9 made of alumel, and a second thermocouple wire 12 made of chromel wire. The connection point 13 of both the first and second thermocouple wires 10 and 12, which becomes hot, is used as a high temperature contact point for measuring the wind speed of the thermocouples 10, 8, 9, 12,
The connection point 14 between the second thermocouple wire 12 and the second pillar 9, which has the same temperature as the airflow F, is used as a low temperature contact point for correcting the air temperature of the thermocouples 10, 8, 9, and 12.

When using this detection body 1p, as shown in FIG. Thermocouples 10, 8 are connected between the ends of both thermocouple supports 8, 9 protruding from the end face 4 of the base body.
, 9, 12 Voltmeter wind speed indicator 2 for measuring thermoelectromotive force
2, and on the other hand, insert the protruding tips of the respective struts 5, 6, 8, and 9 arranged on the tip surface 3 of the base body, the heating wire 7, and each thermocouple wire 10, 12 into the air flow F, The longitudinal direction of the rectangular tip surface 3 of the base body is aligned with the streamline direction of the airflow F, and the inverted L-shaped support 6 is placed on the leeward side and the second support 9 is placed on the windward side. Attach the base 2 at a position perpendicular to . However, this conventional detection object 1 for thermoelectric anemometer
If the streamline direction of the airflow F changes depending on time, p is
If there is an error in the mounting position of the base 2, if there is no place to mount the base 2 in a predetermined position, or if the streamline direction of the airflow F (7) is not clear, the angle at which the airflow F hits the heating wire 7 is at right angles. It may deviate from the

If the airflow F is deflected in the vertical direction along the heating wire 7 and the angle at which it hits the heating wire deviates from the right angle, the cooling of the heating wire 7 by the airflow F will deteriorate, and the indicated wind speed of the wind speed indicator 22 will be different from the actual wind speed of the airflow F. If the speed is slower than that, measurement errors will occur. Also, the temperature of the wind is measured on the detection body 1p for the thermoelectric anemometer. Even with thermoelectric wind temperature and wind velocity detectors installed to follow thermocouples for measurement, changes in wind direction or incorrect installation position may cause the airflow to deflect vertically, making the angle at which it hits the heating wire not at a right angle. Similarly, if the wind speed indicated by the wind speed indicator is slower than the actual wind speed, the wind speed is lower than the actual wind speed. An error occurs in the speed measurement.

The object of the present invention is to eliminate the drawbacks of the conventional products as described above, and to provide a thermoelectric wind velocity capable of accurately measuring the velocity of the airflow even when the airflow is deflected in the longitudinal direction along the heating wire. By providing a measuring object.

Next, examples of the present invention will be described.

First Embodiment As shown in FIG. 2, the thermoelectric anemometer detector 1 of this example is made by covering the thermoelectric anemometer detector shown in FIG. 1 and described above with hoods 15 and 16. , an airflow passage 18 is newly formed, and each strut 6, 8, 5 at the tip of the base body 2
, 9 on both sides along the arrangement direction, each pillar 5, 6, 8, 9
Fit the protruding tip of the heating wire 7 and each thermocouple wire 10, 12 with the lower end opening of the rear half on the leeward side of the gate-shaped hood 15, which is made of a brass plate and has a mouth-shaped longitudinal section, and covers the heating wire 7 and each thermocouple wire 10, 12. is arranged parallel to the distal end surface 3 of the base body, and the gate-shaped hood 1
5 protrudes from the windward side of the base 2,
A gate-shaped hood 15 whose leeward opening end is aligned with the leeward side surface of the base body 2 is fixed to the tip of the base body 2, and a gate-shaped hood 15 is fixed to the lower end opening of the windward front half of the gate-shaped hood 15 protruding from the windward side surface of the base body 2. , a floor plate-like hood 16 made of a brass plate parallel to the distal end surface 3 of the base body is fitted, and the floor plate-like hood 16 that reaches from the windward side opening end of the gate-shaped hood 15 to the windward side surface of the base body 2 is connected to the distal end surface 3 of the base body. A floor plate-like hood 16, which is disposed at a lower position and has a stepped portion 17 between it and the distal end surface 3 of the base body, is fixed to the gate-shaped hood 15 and the base body 2, and the gate-shaped hood 15, floor plate-like hood 16, and An air flow passage 18 having a rectangular cross-section of equal width is formed by surrounding the top, bottom, left and right sides of the base body by the tip surface 3 of the base body, and passing through the heating wire 7 in a direction perpendicular to the heating wire 7. The difference in level between the stepped portions 17 located between the heating wires 7, the length, or height, in the direction of the heating wires 7 of the entrance 19 of the air flow passage is made larger than the height of the leeward side outlet 20 of the air flow passage.

Note that the same parts as those of the conventional detection body 1p shown in FIG. The dimensions of each part of the detection body 1 in this example are as follows: the width of the air flow passage 18 is in the order of 2, the length is in the order of 8, the height of the inlet 19 of the air flow passage is 9 TDTt, and the height of the outlet 20 of the air flow passage is The length is 7T0n, and the length of the floorboard-like hood 16 is 4Wr! ! l, floorboard-like hood 16
The thickness of both the gate-shaped hood 15 is 0.2TrIfL, and the length of the tip surface 3 of the base is 4T! Rm, the width is 2TrSL, the distance between the centers of each pillar 6, 8, 5, 9 is 0.8T$t, the diameter of both the heating wire pillars 5, 6 is 0.5Tr$L, The length of the protruding tip of the straight columnar strut 5 for heating wire is 2Wun, the length of the heating wire 7 is 3WL, and its diameter is 0.05TWL, and both the first and second struts for thermocouples are The diameter of the struts 8 and 9 is 0.3-, the length of the protruding tips of both the struts 8 and 9 is 1T1rm, and the diameter of both the first and second thermocouple wires 10 and 12 is 0.025? There is a heating wire 7
The height of the first thermocouple wire connection center point 11 of the heating wire 7 from the base end surface 3 is 3.5Tr0fL, and the depth of the first thermocouple wire connection center point 11 of the heating wire 7 from the airflow passage entrance 19 is 5. .6wn.

Comparative Experiment on Wind Speed Measurement Accuracy Experiment 1 Using the detection body 1 of this example in which an air flow passage 18 was formed and the conventional detection body 1p shown in FIG. 1 without an air flow passage formed, a constant speed of 10rT1/SeC The streamlines of the airflow F (before entering the airflow passage 18) and the heating wires 7 are The velocity of the airflow F was measured by setting the deflection angle θ - θ at which the angle formed by the angle was less than the right angle to each value.

Figure 3 shows the results of this measurement, with the wind speed indicator 22 on the vertical axis.
The indicated wind speed ■ (m/Sec) is taken on the horizontal axis, and the above deflection angle θ is taken on the horizontal axis.The wind speed measurement result of the detection body 1 of the invention is shown as a solid line with a white circle, and that of the conventional product detection body 1p is shown with a black circle. Each is indicated by a broken line. As is clear from the diagram in FIG. 3, the conventional detection body 1p has an increase in the indicated wind speed V as the vertical deflection angles θ and −θ of the air flow F along the heating wire 7 increase.
As the value decreases, the measurement error increases.

On the other hand, the detection object 1 of the invention is approximately -32 degrees and 35 to 4
In the range of 0 degrees, the indicated wind speed (■) is almost the same as the actual wind speed, and the wind speed can be measured accurately over a wide range. Experiment 2 Using detection object 1 of this example and conventional detection object 1p, 10 m
The streamline of the airflow F maintained at a constant speed of 1/Sec is held parallel to the plane including the tip surface 3 of the base body or the top plate of the floorboard-like hood 16 or the gate-like hood 15 (airflow passage 18
Set the horizontal deflection angles θ and -θ of the airflow F formed by the streamlines of the airflow F (before entering) and the plane containing each support 5, 6, 8, 9 and the heating wire 7 to each value. The velocity of the airflow F was measured respectively.

FIG. 4 shows the results of this measurement in a manner similar to FIG. 3. As is clear from the diagram in FIG. 4, the detection body 1p of the conventional product has deflection angles θ,
As −θ increases, the indicated wind speed ■ becomes lower than the actual wind speed, whereas in the detection body 1 of the invention, the indicated wind speed V becomes lower than the actual wind speed in the range of about −20 degrees to α<30 degrees. becomes almost identical.

The detecting object for the thermoelectric anemometer of the first embodiment is arranged so that the wind speed and direction are determined by the position, such as the air inlet or outlet of a car radiator, the air flow at the air outlet of a cooler or heater, or the air flow in the engine room of a car. It is suitable for measuring the speed at a specific position in an airflow that changes depending on the time of day, especially when the wind direction changes depending on the time of day. Second Embodiment The detecting body for a thermoelectric anemometer in this example is a detecting body 23a for a thermoelectric anemometer in which a wind temperature thermocouple is provided in addition to the wind speed thermocouple, and as shown in FIG. At the windward end and the leeward end of the central part of the tip surface 25 of the rectangular parallelepiped base 24 made of an electrical insulator such as Bakelite or ceramic, there are provided the tips of straight column-shaped columns 27 made of phosphor bronze for heating wires, respectively. , the tip of the inverted L-shaped column 28 is protruded, and the tip of the inverted L-shaped column 28 protruding toward the windward side is arranged directly above the straight column-shaped column 27, and both columns 27, 28
A heating wire 29 made of nichrome wire is connected between the ends of the heating wire 29, and the heating wire 29 to be electrically heated is stretched at a position perpendicular to the end surface 25 of the base body, and the heating wire 29 is stretched between the ends of both supports 27 and 28 of the end surface 25 of the base body. The tip of an alumel straight columnar column 30 for the wind speed thermocouple is projected at the position, and the tip of the chromel straight columnar column 31 for the wind temperature thermocouple is protruded from the windward end of the tip surface 25 of the base. The tip of an inverted L-shaped column 32 made of alumel, which is commonly used for wind temperature thermocouples and wind velocity thermocouples, protrudes from the leeward end of the tip surface 25, and the bent tip of the common column 32 protrudes toward the windward side. It is placed above the bent end of the inverted L-shaped support 28 for heating wires, and the end of the shared support 3) 2 is connected to the support 3 for air temperature thermocouple.
1, one end 34 of which is welded to the center of the heating wire 29, and the other end of the first thermocouple wire 33 of the alumel wire is welded to the tip of the wind speed thermocouple support 30. The other end of the second thermocouple wire 35 is a chromel wire with one end 36 welded 7 to a position close to the heating wire connection end 34 of the air temperature thermocouple support 3.
1, and the other end 38 of the third thermocouple wire 37 is a chromel wire, one end of which is welded to the end of the air temperature thermocouple support 31. 4 Weld the other ends of the three thermocouple wires 9 to the air temperature thermocouple support 3.
The third and fourth thermocouple wires 37 are connected between the ends of the first and common support columns 32.
, 39 are connected in series and stretched parallel to the heating wire 29, and the connection point 38 of both the third and fourth thermocouple wires 37, 39 is set such that the height from the base tip surface 25 is the first and the fourth. 2 thermocouple wires 33,
35 connection point 36 or heating wire 29 and first thermocouple wire 33
The center of the heating wire 29, which is cooled according to the wind speed, is connected to the first thermocouple wire 33 of the alumel wire and the second thermocouple wire of the chromel wire, which have the same temperature. The connection point 36 of the thermocouple wire 35 is used as the wind speed measurement contact, and the connection point 38 of the third thermocouple wire 37 of the chromel wire and the fourth thermocouple wire 39 of the alumel wire, which have the same temperature as the wind temperature, is used as the air temperature measurement contact. , a first thermocouple wire 33 made of alumel wire, a wind speed thermocouple support 30 made of alumel, a shared support 32 made of alumel, a fourth thermocouple wire 39 made of alumel wire, and a second thermocouple wire 35 made of chromel wire.
, the third thermocouple wire 37 made of chromel wire constitutes a wind speed thermocouple, and the wind speed measurement contact 36 is connected to the wind speed thermocouples 33, 30, 3.
2, 39, 35, 37 are used as high temperature contacts for wind speed measurement, and the air temperature measurement contact 38 is used as wind speed thermocouples 33, 30, 32, 39, 3.
The fourth thermocouple wire 39 is made of alumel wire, the third thermocouple wire 37 is made of chromel wire, the common support 32 is made of alumel, and the wind temperature thermocouple support 31 is made of chromel wire. The air temperature thermocouple is constructed by the air temperature measurement contact 3.
8 is a high-temperature contact for wind temperature measurement of wind temperature thermocouples 39, 32, 37, 31, and each pillar 31, 2 at the tip of the base body 24
7, 30, 28, 32 Brass covering the protruding tips of each pillar 31, 27, 30, 28, 32, heating wire 29, and each thermocouple wire 33, 35, 37, 39 on both sides along the arrangement direction The lower end opening of the leeward rear part of the gate-shaped hood 40 made of a plate and having a mouth-shaped longitudinal section is fitted, and the top plate of the gate-shaped hood 40 is arranged parallel to the tip surface 25 of the base, and the windward side of the gate-shaped hood 40 is fitted. The front part protrudes from the windward side of the base body 24, and the base body 2
Gate-shaped hood 4 with the leeward opening end aligned with the leeward side of 4
0 is fixed to the distal end of the base body 24, and a floor plate-like hood made of a brass plate parallel to the distal end surface 25 of the base body is attached to the lower end opening of the windward front part of the gate-shaped hood 40. 41, and gate-shaped hood 4.
A floor plate-like hood 41 that reaches from the windward opening end of the base body 24 to the windward side surface of the base body 24 is disposed at a lower position than the tip face 25 of the base body, and a step portion 42 is formed between the floor plate-like hood 41 and the front face 25 of the base body. The hood 41 is fixed to the gate-shaped hood 40 and the base 24, and is inserted in the front-rear direction perpendicular to the heating wire 29, surrounding the top, bottom, left, and right sides by the gate-shaped hood 40, the floorboard-shaped hood 41, and the tip end surface 25 of the base. An air flow passage 43 having a rectangular cross-sectional shape of equal width is formed, and a windward side inlet 44 at the front end of the air flow passage 43 is formed.
Here, the height in the vertical direction along the heating wire 29 is defined as the height difference between the step portion 42 located between the windward entrance 44 of the airflow passage and the heating wire 29 in the airflow passage, and the leeward side of the rear end of the airflow passage 43. Exit 4
It is larger than 5.

When using the detection body 23a of this example, as shown in FIG. Connect the power supply 46 to heat it by flowing the end face 2 of the base.
Between the end of the wind speed thermocouple strut 30 protruding from 6 and the end of the common strut 32, wind speed thermocouples 33, 30, 32, 39,
Voltmeter wind speed indicator 4 for measuring thermoelectromotive force of 35, 37
In addition, thermocouple compensation conductors 48 of alumel wire and chromel wire are connected to the ends of the alumel common struts 32 protruding from the end surface 26 of the base body and the ends of the chromel air temperature thermocouple struts 31, respectively. Connect one end of 49 and connect both compensation conductors 48,
The other end of the thermocouple 49 is inserted electrically insulated from each other into a thermostat 54 maintained at zero degrees Celsius or another constant low temperature, and serves as a low-temperature contact for the air temperature thermocouples 39, 32, 37, and 31.
An air temperature indicator 51 of a voltmeter for measuring the thermoelectromotive force of the air temperature thermocouple is connected between the ends of both compensation conductors 48 and 49 inside.

On the other hand, the airflow passage 43 provided at the tip of the base body 24 is inserted into the airflow F, and the length direction of the airflow passage 43 is aligned with the streamline direction of the airflow F, so that the entrance 44 of the airflow passage is directed to the windward side. , the outlet 45 of the airflow passage is arranged on the leeward side, and the base body 24 is mounted at a position where the airflow F hits the third and fourth thermocouple wires 37, 39 and the heating wire 29 at right angles or approximately at right angles. The dimensions of each part of the detection body 23a in this example are as follows: The width of the airflow passage 43 is 277 mm.
07! The length is 8wm, and the airflow passage entrance 4
4 has a height of 9Tr0n, and the height of its exit 45 is 7Tr.
0n, the length of the floor plate-shaped hood 41 is trisaccharide, and the plate thickness of the floor plate-shaped hood 41 and the gate-shaped hood 40 are both 0.2 Tr.
rft, and the length of the tip surface 25 of the base is 5Tr.
0n, its width is 2Tfr! n, each pillar 31, 2
The distance between the centers of 7, 30, 28, and 32 is 0.8 mm, the diameter of both the heating wire supports 27 and 28 is 0.5 mm, and the length of the protruding tip of the heating wire straight columnar support 27 is 0.8 mm. is 2wrffL, the length of the heating wire 29 is 3Tsn, and its diameter is 0.05
T! r! n, the diameters of the wind speed thermocouple support 30, the wind temperature thermocouple support 31, and the common support support 32 are 0.3-, and the protruding tips of the wind speed thermocouple support 30 and the wind temperature thermocouple support 31 are The length is 1T0Tt, and each thermocouple wire 33, 35, 37
,39 diameter is 0.025T! Rln, the total length of both the third and fourth thermocouple wires 37 and 39 is 5wrm, and the heating wire 2
The height of the first thermocouple wire connection center point 34 of No. 9 from the base body tip surface 25 is 3.5T1rI! L and heating wire 29
The depth of the first thermocouple wire connection center point 34 from the airflow passage entrance 44 is 4.7 mm.

Comparative Experiment Regarding Accuracy of Wind Speed Measurement Regarding the detection object 23a of this example, an experiment similar to the above-mentioned Experiments 1 and 2 conducted on the detection object 1 of the first embodiment was conducted, and the results were shown in FIGS. 3 and 4. Results similar to those described above were obtained.

Third Embodiment As in the previous example, the detecting body for a thermoelectric anemometer in this example is as follows:
This is a detection body 23b for a thermoelectric wind temperature anemometer in which a wind temperature thermocouple is provided outside the wind velocity thermocouple.Compared with the detection body 23a of the previous example, as shown in FIG. ,28
, heating wire 29, wind speed thermocouple support 30 and first thermocouple wire 3
3, a common support post 32, and a support post 31 for air temperature thermocouples.
, a space of 0.5 to 1.0 T$L is provided between the plane containing the third and fourth thermocouple wires 37 and 39, and both planes are arranged in parallel, and the inverted L-shaped common support column 32 is installed. Move the inverted L-shaped support 28 for heating wires to the windward side, align both supports 32 and 28 in the width direction of the tip surface 25 of the base body, and adjust the length of the bent tip of the common support 32. is shortened by the amount of movement of the common support column to the windward side, and the protrusion height of the bent tip of the inverted L-shaped common column 32 from the base body tip surface 25 is shortened by the bent tip of the inverted L-shaped column 28 for heating wires. The length of the fourth thermocouple wire 39 is lowered to the height of the bent end of the shared support 32, and the bent ends of both supports 32 and 28 are arranged in parallel with the same height. There is a version that has been shortened by the amount of decrease and made smaller.

Note that the same parts as those of the detection body 23a of the second embodiment are given the same reference numerals, and the explanation thereof will be omitted. The detection object for the thermoelectric wind temperature anemometer of the second and third embodiments detects the air flow at the air inlet or air outlet of a radiator of a car, the air outlet of a cooler or heater, or the air flow in the engine room of a car. Wind speed, direction, and temperature vary depending on location and time.
It is especially suitable for simultaneously measuring speed and temperature at the same location in an airflow whose direction changes depending on the time of day.

Experiments have shown that in the detection objects of the first, second, and third embodiments, the velocity of the airflow can be accurately measured over a wide range even if the airflow is deflected in the longitudinal direction along the heating wire. The theoretical reason for this can be inferred as follows.

When the airflow entering the airflow passage of the detection body is deflected in the longitudinal direction along the heating wire, the airflow F is deflected at the entrance 19 of the airflow passage, as illustrated in FIG. 7 for the detection body 1 of the first embodiment. After passing through, the airflow F curves in a direction in which the deflection angles θ and -θ become smaller, and after passing through the entrance 19 of the airflow passage, the airflow F increases in speed, and the speed at which the airflow F hits the heating wire 7 is the same as that of the airflow passage 1.
8, the angle at which the airflow F hits the heating wire 7 deviates from the right angle, resulting in worsening of the cooling of the heating wire, and the increase in the speed of the airflow F hitting the heating wire 7, which causes the cooling of the heating wire to increase. The enhancement of cooling is offset, and as a result, the airflow passage 1
The velocity of the airflow F before entering 8 is accurately measured.

If the airflow F is largely deflected in the longitudinal direction along the heating wire 7 and the airflow F entering the airflow passage 18 does not collide with the first thermocouple wire connection center point 11 of the heating wire 7, that is, the airflow F is If the deflection is greater in the vertical direction than the line connecting the upper or lower edge of the inlet 19 of the airflow passage and the first thermocouple wire connection center point 11 of the heating wire 7, the first thermocouple of the heating wire 7 Line connection center point 1
The cooling of No. 1 deteriorates significantly, and the indicated wind speed becomes significantly lower than the actual wind speed. In addition, in the detection bodies of the first, second, and third embodiments, as illustrated in FIG. 8 for the detection body 1 of the first embodiment, the floor plate-like hood 16 is
It may be attached to the upper surface of the side rear end portion or to a tilted position that is downward downward in line with the front end surface 3 of the base body.

The detection body for a thermoelectric anemometer of the present invention is provided with a hood that covers the thermocouple contacts and the heating wire, forming an airflow passageway with a rectangular cross section that is inserted in the front-rear direction across the heating wire, and at the front end of the airflow passageway. The vertical height along the heating wire at the inlet is greater than the exit at the rear end of the airflow passage, so even if the airflow is deflected in the vertical direction along the heating wire, the airflow velocity is accurate over a wide range. is measured.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway perspective view of a conventional detecting body for a thermoelectric anemometer, FIG. 2 is a partially cutaway perspective view of a detecting body for a thermoelectric anemometer according to the first embodiment of the present invention, and FIG. The figure is a diagram showing the relationship between the indicated wind speed V and the vertical deflection angle θ of the airflow in the same detection body and the conventional detection body. Figure 4 is the indicated wind speed in the same example detection body and the conventional detection body. 5 is a partially cutaway perspective view of a detecting body for a thermoelectric type anemometer according to the second embodiment of the present invention, and FIG.
The figure is a partially cutaway perspective view of the detecting body for a thermoelectric anemometer according to the third embodiment, and FIG. FIG. 8 is a partial vertical cross-sectional view of a detecting body for a thermoelectric anemometer according to another embodiment.

Claims (1)

[Scope of Claims] 1. A heating wire that is electrically heated is stretched over a base, and a contact point of a thermocouple that has the same temperature as the heating wire that is cooled according to the speed of the air flow and a contact point that has the same temperature as the air flow. The thermocouple contacts are placed on the base, and a hood that covers the thermocouple contacts and the heating wire is attached to the base to form an airflow passage with a rectangular cross section that is inserted in the front-rear direction across the heating wire. A detecting element for a thermoelectric anemometer, characterized in that the vertical height along the heating wire is greater at the entrance at the front end than at the exit at the rear end of the airflow passage. 2. Claim No. 2, characterized in that the contact point of the thermocouple that becomes the same temperature as the heating wire is a high temperature contact for measuring wind speed, and the contact point of the thermocouple that becomes the same temperature as the air flow is a low temperature contact for correcting the wind temperature. 1
Detector for thermoelectric anemometer as described in . 3 The contact point of the thermocouple that has the same temperature as the heating wire is the high temperature contact for wind speed measurement of the wind speed thermocouple, and the contact point of the thermocouple that has the same temperature as the air flow is the low temperature contact for wind temperature correction of the wind speed thermocouple and the wind temperature thermocouple. The detection body for a thermoelectric anemometer according to claim 1, characterized in that it is a pair of high temperature contacts for measuring wind temperature.