KR20170092981A - Airflow Measurement adapter for a static pressure tap provided - Google Patents

Airflow Measurement adapter for a static pressure tap provided Download PDF

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Publication number
KR20170092981A
KR20170092981A KR1020160014350A KR20160014350A KR20170092981A KR 20170092981 A KR20170092981 A KR 20170092981A KR 1020160014350 A KR1020160014350 A KR 1020160014350A KR 20160014350 A KR20160014350 A KR 20160014350A KR 20170092981 A KR20170092981 A KR 20170092981A
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South Korea
Prior art keywords
air
duct
measuring
blower
static pressure
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KR1020160014350A
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Korean (ko)
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KR101879409B1 (en
Inventor
오상택
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서울산업기술주식회사
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Priority to KR1020160014350A priority Critical patent/KR101879409B1/en
Publication of KR20170092981A publication Critical patent/KR20170092981A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • G01F25/0053—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/11—Weather houses or other ornaments for indicating humidity

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The present invention relates to an adapter to measure an air volume with a static pressure tap. The adapter comprises: a sealing member configured around an air blower or a duct, has a polygonal shape, and attaches to a building ceiling; a duct hopper configured on a lower end portion of the sealing member, temporarily accommodates air discharged to the air blower or the duct, and includes an observation window for a user to observe in any direction; an air accommodation cover configured on the lower end portion of the duct hopper, including a discharge outlet to transfer the discharged air accommodated in the duct hopper to an air volume measurement device; a connection pipe configured on the lower end portion of the discharge outlet, transfers the air discharged to the air blower or the duct to the air volume measurement device, and is formed in a bellows shape to easily adjust a length; and an air volume measurement device which receives the air temporarily accommodated in the air accommodation cover through the connection pipe, measures various numerical values, and includes an air calm means calming down the air received from the air accommodation cover on one side, a sensor unit measuring pressure, temperature, and wind speed of the air passing through the air calm means, and a measurement unit calculating and recording the numerical values measured by the sensor unit.

Description

[0001] The present invention relates to an air flow measurement adapter having a static pressure tap,

The present invention relates to an airflow measuring adapter equipped with a static pressure tap. More particularly, the present invention relates to an air flow meter for measuring air pressure and a static pressure tap provided inside the jig to measure the air volume discharged from the air conditioner, the blower, the amount of air sucked and the static pressure, To an airflow measuring adapter equipped with a static pressure tap capable of quickly and precisely measuring air temperature and humidity.

Generally, the application range of oilseed raising equipment has been diversified according to the rapid development of engineering technology and improvement of living environment. In recent years, domestic and foreign industries have been making efforts to meet the demands of consumers demanding quiet and eco-friendly products, and to make products more comfortable and comfortable and to be competitive.

Particularly, it is very difficult to supply the necessary amount of air to a desired place by using a duct system because of complicated flow characteristics depending on the shape of the duct system and unevenness of the pressure distribution.

On the other hand, the air flow rate of the blower or the duct is measured by using a pitot tube or an anemometer. At this time, the measuring instrument is inserted into the duct to be perpendicular to the air flow direction. Minute, it is difficult to visually confirm in which direction or in which position the sensor part of the measuring instrument is inserted in the duct.

Korean Unexamined Patent Publication No. 2008-0041365 discloses a natural ventilation duct air flow rate measuring apparatus comprising a natural ventilation duct in which a lower end portion is hinged to a fixed end and an inlet and an outlet are formed at both ends so as to allow air to flow therein, A third ring tube arranged in the circumferential direction for measuring the pressure in a central portion and a front side of the nozzle, and a second ring tube disposed in the center of the nozzle and measuring the pressure difference measured in the ring tube And a leveling unit and a level adjusting means attached to the duct for adjusting the level of the duct. The air conditioner according to claim 1, Measuring devices have been disclosed.

However, according to the above-mentioned prior art documents, the natural ventilation duct has a problem that the size of the cover for measuring air volume connected to the blower is large, its weight is heavy, and the manufacturing process is somewhat complicated, so that it is very vulnerable to the mobility of the natural ventilation duct.

(Patent 0001) Korean Patent Publication No. 2008-0041365

According to an aspect of the present invention, there is provided an air flow meter comprising: an air flow meter for measuring an air pressure; a static pressure tap provided inside the jig for detecting an air flow rate, And a static pressure tap capable of quickly and accurately measuring the static pressure and the temperature and humidity of the air included in the air volume.

In addition, the present invention provides an adapter for measuring an air flow volume having a static pressure tap formed of ABS, PC, or urethane material having high durability and a light material.

Another object of the present invention is to provide an adapter for measuring the air volume, which is provided with a static pressure tap capable of mass production because the manufacturing process is simple, the manufacturing process is simple, and the manufacturing cost is low.

According to an aspect of the present invention, there is provided an adapter for measuring an air flow having a static pressure tap, comprising: a sealing member formed at the periphery of a blower or a duct and having a plurality of angles, A duct hopper which is formed at a lower end of the sealing member and temporarily accommodates air discharged to the blower or duct and has an observation window so that a user can observe from any direction; An air receiving cover formed at a lower end of the air outlet and transmitting air to a blower or a duct to an air volume measuring device and a bellows-shaped connection And a control unit for controlling the air supplied from the pipe and the air- A sensor unit for measuring various values of the air supplied through the air collecting means, air calming means for calibrating the air supplied from the air receiving cover to one side, and a sensor unit for measuring pressure, temperature and wind speed of the air passing through the air calming means And a measuring unit for calculating and recording a value measured by the sensor unit.

Further, the sealing member is characterized by being made of a material such as silicone, ethylene propylene rubber (EPDM), urethane, synthetic foamed material.

The duct hopper may include a static pressure tap having a plurality of pressure measurement holes at regular intervals to measure the pressure of the air discharged from the blower or the duct, And a handle configured to facilitate installation of the air receiving cover on a building ceiling.

The static pressure tap may be a sensor connecting pipe that is formed on one side and measures an average pressure of the air discharged from the blower or the duct and is connected to the air hose at the end to deliver the measured air to the air flow measuring device And further comprising:

The air receiving device is characterized by being made of a highly durable and light material such as synthetic resin such as polycarbonate (PC) or ABS (Acrylonitrile Butadiene Styrene) or urethane.

According to the embodiment of the present invention, the air flow meter is interlocked with the air flow meter for measuring the air pressure, and the static pressure tap is provided in the jig to measure the air volume discharged from the air conditioner, the amount of air sucked, And the temperature and humidity of the air included in the air volume can be measured quickly and precisely.

Further, the present invention can be made of ABS, PC, or urethane material which is strong in durability and light in material.

Further, the present invention can be mass-produced because the manufacturing process is simple, the manufacturing process is somewhat simple, and the manufacturing cost is low.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall perspective view of an airflow measuring adapter equipped with a static pressure tap according to an embodiment of the present invention;
FIG. 2 is a perspective view of an air-receiving cover of an airflow measuring adapter provided with a static-pressure tap according to an embodiment of the present invention,
3 is a plan view of an air receiving cover of an airflow measuring adapter provided with a static pressure tap according to an embodiment of the present invention,
4 and 5 are perspective views of a static pressure tab of an air receiving cover of an airflow measuring adapter provided with a static pressure tap according to an embodiment of the present invention,
6 is a configuration diagram of an air hose of an airflow measuring adapter equipped with a static pressure tap according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications are possible.

FIG. 1 is an overall perspective view of an airflow measuring adapter provided with a static pressure tap according to an embodiment of the present invention. FIG. 2 is a perspective view of an air- FIG. 3 is a plan view of an air-receiving cover of an airflow measuring adapter provided with a static-pressure tab according to an embodiment of the present invention. FIGS. 4 and 5 are cross- FIG. 6 is a configuration diagram of an air hose of an airflow measuring adapter equipped with a static pressure tab according to an embodiment of the present invention. FIG.

The adapter for measuring air volume equipped with the static pressure tap has an air receiving cover 100 formed around the blower or duct and having a discharge port for introducing the air discharged from the blower or the duct and a discharge port connected to the discharge port to prevent the discharge of air And a wind speed measuring device 300 connected to one side of the connecting pipe 200 for measuring the temperature, pressure and wind speed of the air.

The air-con- taining cover 100 is configured around the blower or duct to smoothly flow the air discharged from the blower or duct. The air-con- taining cover 100 is made of synthetic resin such as polycarbonate (PC), ABS (Acrylonitrile Butadiene Styrene) It is made of the same durable and light material, and it is configured to be used for a long time even if it is constructed on the ceiling of a building.

In addition, the air-con- taining cover 100 is smaller in size than the conventional air-con- taining cover 100, and the manufacturing process is somewhat simple.

The air accommodating cover 100 includes a discharge port 110 formed at a lower end portion and configured to be connected to the connection pipe 200 and configured to transfer the air discharged to the blower or the duct to the connection pipe 200, A duct hopper 130 for receiving the air discharged from the blower or the duct, and a sealing member 150 formed at the upper end and engaged with the blower or the duct.

The discharge port 110 is formed in a cylindrical or polygonal shape and is configured to allow air to be discharged to the blower or duct to flow therethrough and is coupled to the lower end of the duct hopper 130.

The duct hopper 130 is configured to temporarily receive the air introduced from the discharge port 110. The duct hopper 130 is formed in a polygonal shape and has a space larger than a predetermined distance so as to temporarily accommodate the air introduced from the discharge port 110 And an inflow hole 131 having the same diameter as the discharge port 110 is formed at the lower end so that the air introduced from the discharge port 110 can be transmitted to the duct hopper 130.

The inlet hole 131 is formed to have the same diameter as that of the outlet hole 110. The outlet hole 110 is formed at one side of the inlet hole 131, And a pressure measuring hole 133 for measuring the pressure when the air introduced from the discharge port 110 passes through the static pressure tap 133 for a predetermined interval 133a.

The pressure measuring holes 133a are formed at constant intervals in the constant-pressure tap 133 and are measured when the pressure measuring holes 133a pass through the pressure measuring holes 133a. However, the present invention is not limited thereto. The pressure of the air can be measured, or the pressure of the air can be measured by constructing a separate pressure measuring device (not shown).

The positive pressure tap 133 has a sensor connecting pipe 133b for measuring the average pressure of the air measured in the plurality of pressure measuring holes 133a on one side and the sensor connecting pipe 133b has an air hose 170 to transmit the air to the sensor unit 370 to be described later, and measure the average pressure in the sensor unit 370.

The sensor connecting pipe 133b is formed on one side of the positive pressure tap 133 and constitutes an air hose 170 connected to the sensor unit 370 so that the average value of the measured air The air hose 170 is tightened in a tight fitting manner so that the average pressure of the air can be measured smoothly.

An observation window 135 is formed on the side surface of the duct hopper 130 so that the user can observe the inside of the air-receiving cover 100 and monitor the state of the foreign substance and the discharge port 110. The observation window 135, Such as plastic, glass or synthetic resin, made of transparent material.

The observation window 135 is formed in a circular or polygonal shape and is formed in a side portion of the duct hopper 130, that is, in four directions so that the user can observe the inside of the air- .

The duct hopper 130 may have an inflow hole 131 formed therein and an illuminating unit 137 may be installed to illuminate the inflow hole 131 at a predetermined interval. It is to be understood that the present invention is not limited thereto and may be separately formed on a building ceiling.

A handle 139 is provided outside the duct hopper 130 so that the user can install the duct hopper 130 on the ceiling so that the user can smoothly set the air receiving cover 100 through the handle 139. [ And can be configured to be easily removable and attachable.

The sealing member 150 formed at the upper end of the duct hopper 130 is configured to closely contact the ceiling of the building to prevent the outflow of the discharged air. The sealing member 150 is formed in a polygonal shape and is made of silicone, ethylene propylene rubber (EPDM) It is made of the same material as the synthetic foam material and performs the function of suppressing the minute vibration generated by the discharge from the blower or the duct.

In addition, the sealing member 150 is configured to be bonded to the ceiling of the building by applying an adhesive. However, the sealing member 150 is not limited thereto and may be adhered using a single-sided adhesive tape or a double- It is of course possible that the ceiling is fixed.

The connection pipe 200 is formed in the discharge port 110 and is configured to smoothly transfer the air discharged from the blower and the duct to the air quantity measuring device 300. The air pipe 200 has air intake covers 200, The connecting member 210 is connected to the air inlet 311 of the measuring device 300 to transmit the air blown from the blower and the duct to the air flow meter 300.

In addition, the connection pipe 200 may have a length equal to or longer than a predetermined length, and may be formed in a bellows shape so that the user can easily measure the pressure, temperature, and wind speed of the air. However, the present invention is not limited thereto.

The airflow measuring device 300 is connected to one side of the connecting pipe 200 and measures the pressure, temperature and wind speed of the air discharged from the blower and the duct. A measurement unit 350, a sensor unit 370, and a power unit 390.

The air flow meter 300 includes an inlet 311 connected to the connection pipe 200 at one side to receive air discharged from the blower and the duct through the connection pipe 200, And an outlet 311 for discharging the air introduced into the air flow meter 300 is formed.

Here, the discharge port 311 may be configured to form a separate discharge pipe (not shown) to discharge the air measured by the air flow measuring device 300, but is not limited thereto.

The airflow measuring apparatus 300 includes an air purifying unit 330 for temporarily calibrating the air supplied through the connecting pipe 200, a measuring unit 370 for measuring the amount of air passing through the air purifying unit 330, A sensor unit 350 for sensing and measuring the pressure of air sensed by the static pressure tap 133, and a power unit 390 for providing a predetermined power to the air flow meter 300.

The air calming unit 330 is configured to be able to perform measurement smoothly in the measuring unit 370 by stabilizing relatively unstable air after the air discharged from the blower and the duct is supplied through the connecting pipe 200, A plurality of air holes are formed to calm the fluidity of the air holes.

The measuring unit 370 measures the amount of air passing through the air calming unit 330. The measuring unit 370 is formed so as to penetrate in the axial direction and forms an air measuring hole for measuring the amount of air through the suction force of the power unit 390. [

The sensor unit 350 detects the pressure, temperature, and air velocity of the air by incorporating sensors such as a discharge pressure sensor and a static pressure sensor. The sensor unit 350 detects the pressure of air measured by the static pressure tap 133, And the temperature and the wind speed of the passing air are measured.

The power unit 390 is configured to provide a predetermined power to the air flow measuring apparatus 300 so that the air temporarily accommodated in the air receiving cover 100 can flow into the air flow measuring apparatus 300. The power unit 390 includes a motor and a fan.

Although the present invention has been described in connection with the preferred embodiments thereof with reference to the accompanying drawings, it is to be understood that the present invention is not limited thereto, It is to be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100: air receiving cover 110:
130: duct hopper 131: inlet hole
133: static pressure tap 133a: pressure measuring hole
133b: Sensor connector 135: Observation window
139: handle 150: sensor connector
200: connector 210: connecting member
300: air flow meter 310: main cover
330: air calming unit 350: measuring unit
370: sensor part 390: power part

Claims (5)

A ceiling member formed at the periphery of the blower or the duct and formed with a plurality of angles to attach the ceiling of the building to the ceiling; a housing member provided at the lower end of the ceiling member to temporarily accommodate air discharged to the blower or duct, And an air outlet cover which is formed at a lower end of the duct hopper and has a discharge port for delivering the discharged air stored in the duct hopper to the air volume measuring device.
A connection pipe formed at a lower end of the discharge port and configured to transmit air discharged to a blower or a duct to an air flow rate measuring device and formed into a bellows shape for easy adjustment of length; And
Air collecting means for supplying air temporarily received in the air-collecting cover through the connecting pipe to measure various numerical values and for calming air supplied from the air-concealing cover to one side, air passing through the air- A sensor unit for measuring pressure, temperature, wind speed and the like of the sensor unit, and a measuring unit for calculating and recording the measured value of the sensor unit;
And an air flow meter for measuring the air flow rate.
The method according to claim 1,
Wherein the sealing member comprises:
Wherein the static pressure tap is made of a material such as silicone, ethylene propylene rubber (EPDM), urethane, and synthetic foamed material.
The method according to claim 1,
In the duct hopper,
A static pressure tab having a circular shape and a polygonal shape and provided with a plurality of pressure measurement holes at regular intervals to measure the pressure of the air discharged from the blower or the duct; And
A handle configured on both sides to allow the user to easily install the air-bearing cover on a building ceiling;
Further comprising a static pressure tap.
The method of claim 3,
In the above-described static pressure tap,
And a sensor connection pipe configured to measure an average pressure of the air discharged from the blower or the duct and connected to the air hose at the end to transmit the measured air to the air flow measuring device An airflow measuring adapter equipped with a static pressure tap.
The method according to claim 1,
The air-
Wherein the adapter is made of a synthetic resin such as polycarbonate (PC) or ABS (Acrylonitrile Butadiene Styrene) or a material having high durability such as urethane.
KR1020160014350A 2016-02-04 2016-02-04 Airflow Measurement adapter for a static pressure tap provided KR101879409B1 (en)

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KR101879409B1 KR101879409B1 (en) 2018-07-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110926555A (en) * 2019-11-22 2020-03-27 深圳市深科工程检测有限公司 Air volume cover and air inlet air volume detection method using same
KR102124145B1 (en) * 2019-03-27 2020-06-18 서울산업기술주식회사 A air flow meter using 3d printer
KR102124144B1 (en) * 2019-03-27 2020-06-18 서울산업기술주식회사 A air flow meter with integrated adapter
KR102124143B1 (en) * 2019-03-27 2020-06-18 서울산업기술주식회사 A portable air flow meter using 3d printer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0363452A (en) * 1989-07-31 1991-03-19 Fujita Corp Air quantity regulator for air-conditioning facility
KR200147563Y1 (en) * 1996-12-04 1999-06-15 원윤희 Air anti-leakage ceiling matter for airconditioner
KR101080960B1 (en) * 2009-06-16 2011-11-08 오상택 Multi Nozzle Type Of Portable Digital Flow Meter
KR101415882B1 (en) * 2013-07-04 2014-08-06 서울산업기술주식회사 Flow Meter Tab have Portable Digital Flow Meter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102124145B1 (en) * 2019-03-27 2020-06-18 서울산업기술주식회사 A air flow meter using 3d printer
KR102124144B1 (en) * 2019-03-27 2020-06-18 서울산업기술주식회사 A air flow meter with integrated adapter
KR102124143B1 (en) * 2019-03-27 2020-06-18 서울산업기술주식회사 A portable air flow meter using 3d printer
CN110926555A (en) * 2019-11-22 2020-03-27 深圳市深科工程检测有限公司 Air volume cover and air inlet air volume detection method using same
CN110926555B (en) * 2019-11-22 2020-12-22 深圳市深科工程检测有限公司 Air volume cover and air inlet air volume detection method using same

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