阅读说明：本技术 一种高空扇风量测定方法及测定机构 (High-altitude fan air volume measuring method and measuring mechanism ) 是由 费跃 陈早云 杨建华 于 2020-12-28 设计创作，主要内容包括：本发明涉及高空扇风量测定技术领域,且公开了一种高空扇风量测定方法及测定机构,包括底座,所述底座的上端固定连接有支撑杆,所述支撑杆上通过高度调节机构连接有滑杆,所述滑杆的上端固定连接有安装板,所述安装板的上端安装有转动机构,所述转动机构的输出端连接有安装架,所述安装架呈“十”字形设置,所述安装架上安装有若干个叶轮式风速仪,所述叶轮式风速仪穿过安装架设置,若干个所述叶轮式风速仪呈均匀等距分布设置；所述转动机构包括驱动电机。该高空扇风量测定方法及测定机构,可满足不同高度、不同大小的高空扇风量测量,进而能够对风量异常的设备进行及时保修维护,保障工业吊扇的使用安全。(The invention relates to the technical field of high-altitude fan air quantity measurement, and discloses a high-altitude fan air quantity measurement method and a measurement mechanism, wherein the high-altitude fan air quantity measurement method comprises a base, a support rod is fixedly connected to the upper end of the base, a slide rod is connected to the support rod through a height adjustment mechanism, a mounting plate is fixedly connected to the upper end of the slide rod, a rotating mechanism is mounted at the upper end of the mounting plate, a mounting frame is connected to the output end of the rotating mechanism, the mounting frame is arranged in a cross shape, a plurality of impeller type anemometers are mounted on the mounting frame, the impeller type anemometers penetrate through the mounting frame, and the impeller type anemometers are uniformly and equidistantly distributed; the rotating mechanism comprises a driving motor. The method and the mechanism for measuring the air quantity of the high-altitude fan can meet the requirements of measuring the air quantity of the high-altitude fan with different heights and sizes, and further can timely guarantee and maintain equipment with abnormal air quantity, so that the use safety of the industrial ceiling fan is guaranteed.)

1. The utility model provides a high altitude fan air volume measuring mechanism, includes base (1), its characterized in that: the upper end of the base (1) is fixedly connected with a supporting rod (2), the supporting rod (2) is connected with a sliding rod (3) through a height adjusting mechanism, the upper end of the sliding rod (3) is fixedly connected with a mounting plate (4), the upper end of the mounting plate (4) is provided with a rotating mechanism, the output end of the rotating mechanism is connected with a mounting frame (6), the mounting frame (6) is arranged in a cross shape, a plurality of impeller type anemometers (7) are mounted on the mounting frame (6), the impeller type anemometers (7) penetrate through the mounting frame (6), the impeller type anemometers (7) are uniformly distributed at equal intervals, and the circle center distance of the impeller type anemometers (7) is 15 cm;

slewing mechanism includes driving motor (8), driving motor (8) fixed connection is located at the upper end center of mounting panel (4), the output fixed connection of driving motor (8) is located at the lower extreme center of mounting bracket (6).

2. The high altitude fan air volume measuring mechanism according to claim 1, characterized in that: height adjusting mechanism includes slide opening and slide bar groove (9), upper end center department at bracing piece (2) is seted up in slide bar groove (9), the slide opening is seted up on bracing piece (2) is close to the lateral wall of upper end, and runs through slide bar groove (9) setting in bracing piece (2) and the interior, slide bar (3) correspond the position department of slide opening and seted up a plurality of locating hole, a plurality of the locating hole is even equidistance distribution and sets up, pass locating lever (10) in the slide opening, locating lever (10) pass one of them locating hole setting, the one end fixedly connected with baffle (11) of locating lever (10), the other end fixedly connected with screw rod (12) of locating lever (10), threaded connection has thread bush (13) on screw rod (12).

3. The high altitude fan air volume measuring mechanism according to claim 2, characterized in that: one end of the baffle plate (11) far away from the positioning rod (10) is fixedly connected with a pull ring (14).

4. The high altitude fan air volume measuring mechanism according to claim 1, characterized in that: the lower extreme fixedly connected with of base (1) removes wheel (15), a plurality of remove wheel (15) and be the distribution setting of rectangular array.

5. The high altitude fan air volume measuring mechanism according to claim 1, characterized in that: the upper end fixedly connected with protection casing (5) of mounting panel (4), driving motor (8) are located protection casing (5).

6. The high altitude fan air volume measuring mechanism according to claim 1, characterized in that: the driving motor (8) is arranged as a servo motor.

7. A high-altitude fan air volume measuring method is characterized by comprising the following steps: the method comprises the following steps:

s1: height adjustment: firstly, the position height of a sliding rod (3) is adjusted through a height adjusting mechanism, so that an impeller type anemoscope (7) on a mounting rack (6) is 5-10cm away from the lowest point of fan blades;

s2: data reading: then starting the fan, recording the wind speed value every 10s after the rotating speed of the fan is stable, and carrying out 10 groups of measurement records in total;

s3: and (3) air volume calculation: the wind speed values of the impeller type anemometers (7) with the same radius r1 are added and averaged to obtain the average wind speed v1 of the impeller type anemometer (7) with the radius r1, the wind speed values of the impeller type anemometers (7) with the same radius r2 are added and averaged to obtain the average wind speed v2 of the impeller type anemometer (7) with the radius r2, and the circular area S in the radius r 1-r 2 is the circular area S_1-2＝π·(r₂ ²-r₁ ²) Mean wind speed V of the circle within radius r1 to r2_1-2＝(v₁+v₂) (iii)/2, circular air volume F within radius r 1-r 2_1-2＝S_1-2·V_1-2And through measurement and calculation, the air volume of the plurality of circular rings is added to obtain the total high-altitude fan air volume.

Technical Field

The invention relates to the technical field of high-altitude fan air volume measurement, in particular to a high-altitude fan air volume measurement method and a measurement mechanism.

Background

The industrial ceiling fan is one of the effective energy-saving and consumption-reducing modes for high-volume spaces such as industrial factory buildings, airport terminal buildings and the like.

However, at present, no relevant measurement standard for measuring the air volume of the high-altitude fan exists, and therefore equipment with abnormal air volume cannot be maintained in time, and the use safety of the industrial ceiling fan is difficult to guarantee.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a high-altitude fan air volume measuring method and a measuring mechanism, which have the advantages of being capable of measuring the air volume of a high-altitude fan, further being capable of carrying out timely maintenance on equipment with abnormal air volume, guaranteeing the use safety of an industrial ceiling fan and the like, effectively solving the problem of accurate measurement of rated air volume of the high-altitude fan, being capable of accurately judging the air volume of the high-altitude fan in operation by utilizing the measuring method, being capable of carrying out timely maintenance on the equipment with abnormal air volume, and guaranteeing the use safety of the industrial ceiling fan.

(II) technical scheme

In order to realize the purposes of measuring the air quantity of the high-altitude fan, timely maintaining equipment with abnormal air quantity and guaranteeing the use safety of the industrial ceiling fan, the invention provides the following technical scheme: a high-altitude fan air volume measuring mechanism comprises a base, wherein a supporting rod is fixedly connected to the upper end of the base, a sliding rod is connected to the supporting rod through a height adjusting mechanism, a mounting plate is fixedly connected to the upper end of the sliding rod, a rotating mechanism is mounted at the upper end of the mounting plate, the output end of the rotating mechanism is connected with a mounting frame, the mounting frame is arranged in a cross shape, a plurality of impeller type anemometers are mounted on the mounting frame and penetrate through the mounting frame, the impeller type anemometers are uniformly distributed at equal intervals, and the circle center distance of the impeller type anemometers is 15 cm;

the slewing mechanism includes driving motor, driving motor fixed connection is in the upper end center department of mounting panel, driving motor's output fixed connection is in the lower extreme center department of mounting bracket.

Preferably, height adjusting mechanism includes slide opening and slide bar groove, the upper end center department at the bracing piece is seted up in the slide bar groove, the slide opening is seted up on the bracing piece is close to the lateral wall of upper end, and runs through the bracing piece and the slide bar groove setting in it, a plurality of locating hole, a plurality of have been seted up to the position department that the slide bar corresponds the slide opening the locating hole is even equidistance and distributes the setting, pass the locating lever in the slide opening, the locating lever passes one of them locating hole setting, the one end fixedly connected with baffle of locating lever, the other end fixedly connected with screw rod of locating lever, threaded connection has the thread bush on the screw rod.

Preferably, one end of the baffle, which is far away from the positioning rod, is fixedly connected with a pull ring.

Preferably, the lower extreme fixedly connected with of base removes the wheel a plurality of remove the wheel, a plurality of remove the wheel and be the distribution setting of rectangular array.

Preferably, the upper end fixedly connected with protection casing of mounting panel, driving motor is located the protection casing.

Preferably, the driving motor is a servo motor.

A high-altitude fan air volume measuring method comprises the following steps:

s1: height adjustment: firstly, the position height of a slide bar is adjusted through a height adjusting mechanism, so that the impeller type anemoscope on the mounting rack is 5-10cm away from the lowest point of fan blades of the fan;

s2: data reading: then starting the fan, recording the wind speed value every 10s after the rotating speed of the fan is stable, and carrying out 10 groups of measurement records in total;

s3: and (3) air volume calculation: the wind speed values of the impeller type anemometers with the same radius r1 are added and then averaged to obtain the average wind speed v1 on the impeller type anemometer with the radius r1, the wind speed values of the impeller type anemometers with the same radius r2 are added and then averaged to obtain the average wind speed v2 on the impeller type anemometer with the radius r2, and then the average wind speed v2 on the impeller type anemometer with the radius r2 is obtainedCircular area S within radius r 1-r 2_1-2＝π·(r₂2-r₁2) Mean wind speed V of the circle within radius r1 to r2_1-2＝(v₁+v₂) (iii)/2, circular air volume F within radius r 1-r 2_1-2＝S_1-2·V_1-2And through measurement and calculation, the air volume of the plurality of circular rings is added to obtain the total high-altitude fan air volume.

(III) advantageous effects

Compared with the prior art, the invention provides a high-altitude fan air volume measuring method and a measuring mechanism, which have the following beneficial effects:

according to the high-altitude fan air volume measuring method and measuring mechanism, the base, the supporting rod, the sliding rod, the mounting plate, the protective cover, the mounting frame, the impeller type anemoscope and the driving motor are arranged, when the air volume of the high-altitude fan needs to be measured, the position height of the sliding rod is adjusted through the height adjusting mechanism, the air volume can be accurately and effectively measured, the air volume can be judged for the high-altitude fan in operation, the whole device is portable, air volume measurement can be performed on the high-altitude fans with different heights and sizes, equipment with abnormal air volume can be maintained in time, and the use safety of the industrial ceiling fan is guaranteed.

Drawings

FIG. 1 is a schematic front view of a high-altitude fan air volume measuring method and measuring mechanism according to the present invention;

FIG. 2 is a schematic top view of the mounting and vane anemometer;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic diagram of the air volume calculation.

In the figure: the wind power generation device comprises a base 1, supporting rods 2, sliding rods 3, a mounting plate 4, a protective cover 5, a mounting frame 6, a vane wheel type anemoscope 7, a driving motor 8, a sliding rod groove 9, a positioning rod 10, a baffle plate 11, a screw rod 12, a thread sleeve 13, a pull ring 14 and a movable wheel 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the high-altitude fan air volume measuring mechanism comprises a base 1, wherein a support rod 2 is fixedly connected to the upper end of the base 1, a slide rod 3 is connected to the support rod 2 through a height adjusting mechanism, a mounting plate 4 is fixedly connected to the upper end of the slide rod 3, a rotating mechanism is mounted at the upper end of the mounting plate 4, a mounting frame 6 is connected to the output end of the rotating mechanism, the mounting frame 6 is in a cross shape, a plurality of impeller type anemometers 7 are mounted on the mounting frame 6, the impeller type anemometers 7 penetrate through the mounting frame 6, the impeller type anemometers 7 are uniformly and equidistantly distributed, and the distance between the centers of the impeller type anemometers 7 is 15 cm;

the rotating mechanism comprises a driving motor 8, the driving motor 8 is fixedly connected to the center of the upper end of the mounting plate 4, and the output end of the driving motor 8 is fixedly connected to the center of the lower end of the mounting frame 6; when the air quantity of the high-altitude fan needs to be measured, firstly, the height of the position of the sliding rod 3 is adjusted through the height adjusting mechanism, the distance between the impeller type anemometers 7 on the mounting frame 6 is 5-10cm, then the fan is started, the reading of the impeller type anemometers 7 is recorded after the rotating speed of the fan is stable, the recording time is 1-2min, the air quantity readings of the impeller type anemometers 7 are added, then the number of the impeller type anemometers 7 is divided, the average value of the air quantity readings of the single impeller type anemometer 7 can be obtained, then the average value is divided by the air inlet area of the impeller type anemometer 7, the air inlet quantity of a unit area can be obtained, then the area of a circle with the mounting frame 6 as the diameter is calculated, and then the air inlet quantity of the unit area is multiplied by the area, so that the.

The height adjusting mechanism comprises a sliding hole and a sliding rod groove 9, the sliding rod groove 9 is arranged at the center of the upper end of the supporting rod 2, the sliding hole is arranged on the side wall of the supporting rod 2 close to the upper end and penetrates through the supporting rod 2 and the sliding rod groove 9 therein, a plurality of positioning holes are arranged at the position of the sliding rod 3 corresponding to the sliding hole and are uniformly and equidistantly distributed, a positioning rod 10 penetrates through the sliding hole, the positioning rod 10 is arranged through one positioning hole, one end of the positioning rod 10 is fixedly connected with a baffle plate 11, the other end of the positioning rod 10 is fixedly connected with a screw rod 12, a threaded sleeve 13 is in threaded connection with the screw rod 12, when the height of the mounting frame 6 needs to be adjusted, the threaded sleeve 13 is firstly rotated reversely, the threaded sleeve 13 is taken down, then the positioning rod 10 can be taken out, then the height of the sliding rod 3 and the device thereon can be adjusted, the threaded sleeve 13 is then screwed onto the threaded rod 12, so that the slide rod 3 can be fixed in position.

One end of the baffle 11 far away from the positioning rod 10 is fixedly connected with a pull ring 14, so that the baffle 11 can be conveniently pulled.

The lower extreme fixedly connected with of base 1 a plurality of removes wheel 15, and a plurality of removes wheel 15 and is the rectangular array distribution setting, is convenient for remove whole device.

The upper end fixedly connected with protection casing 5 of mounting panel 4, driving motor 8 are located protection casing 5, have played the effect of protection to driving motor 8.

The driving motor 8 is arranged as a servo motor, so that the driving motor 8 can be controlled to rotate accurately.

A high-altitude fan air volume measuring method comprises the following steps:

s1: height adjustment: firstly, the height of the position of the slide rod 3 is adjusted through a height adjusting mechanism, so that the distance between the impeller type anemometer 7 on the mounting rack 6 and the slide rod 3 is 5-10 cm;

s2: data reading: then starting the fan, recording the wind speed value every 10s after the rotating speed of the fan is stable, and carrying out 10 groups of measurement records in total;

s3: and (3) air volume calculation: the wind speed values of the impeller type anemometers 7 with the same radius r1 are added and averaged to obtain the average wind speed v1 of the impeller type anemometer 7 with the radius r1, the wind speed values of the impeller type anemometers 7 with the same radius r2 are added and averaged to obtain the average wind speed v2 of the impeller type anemometer 7 with the radius r2, and the circular ring area S in the radius r 1-r 2 is_1-2＝π·(r₂2-r₁2) Mean wind speed V of the circle within radius r1 to r2_1-2＝(v₁+v₂) (iii)/2, circular air volume F within radius r 1-r 2_1-2＝S_1-2·V_1-2And through measurement and calculation, the air volume of the plurality of circular rings is added to obtain the total high-altitude fan air volume.

To sum up, when the air volume of the high-altitude fan needs to be measured, the height of the position of the sliding rod 3 is adjusted through the height adjusting mechanism, so that the impeller type anemoscope 7 on the mounting frame 6 is 5-10cm away, then the fan is started, the wind speed value is recorded every 10S after the fan rotating speed is stable, 10 groups of measurement records are carried out, the wind speed values of the impeller type anemoscope 7 with the same radius r1 are added and then averaged, the average wind speed v1 on the impeller type anemoscope 7 with the radius r1 is obtained, the wind speed values of the impeller type anemoscope 7 with the same radius r2 are added and then averaged, the average wind speed v2 on the impeller type anemoscope 7 with the radius r2 is obtained, and the circular ring area S from the radius r1 to the r2 is obtained_1-2＝π·(r₂2-r₁2) Mean wind speed V of the circle within radius r1 to r2_1-2＝(v₁+v₂) (iii)/2, circular air volume F within radius r 1-r 2_1-2＝S_1-2·V_1-2And through measurement and calculation, the air volume of the plurality of circular rings is added to obtain the total high-altitude fan air volume.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.