CN206161253U - Air conditioner tuber pipe air leakage detection device - Google Patents
Air conditioner tuber pipe air leakage detection device Download PDFInfo
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- CN206161253U CN206161253U CN201621144480.XU CN201621144480U CN206161253U CN 206161253 U CN206161253 U CN 206161253U CN 201621144480 U CN201621144480 U CN 201621144480U CN 206161253 U CN206161253 U CN 206161253U
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- air leakage
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- leakage rate
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Abstract
The utility model relates to an air conditioner tuber pipe air leakage detection device, an air leakage detects for treating the anemometry pipe, detection device includes the fan, the hose, orifice flowmeter, the air leakage detecting tube, a glass type pressure gauge is taken into account to tilting pressure differential, the fan air outlet passes through hose connection to air leakage detecting tube one end, the air leakage detecting tube other end is connected with the one end of the tuber pipe that awaits measuring, orifice flowmeter establishes the middle part at the air leakage detecting tube, the survey high -pressure side of tilting differential gauge with survey the low -pressure end respectively with orifice flowmeter around the measuring interface at both ends link to each other, cup type pressure gauge is connected at the other end of tuber pipe that awaits measuring, a static pressure value for measuring in the tuber pipe that awaits measuring. Compared with the prior art, this device can be respectively reads static pressure and air leakage in the tuber pipe that awaits measuring through cup type pressure gauge and tilting differential gauge to need not install parts such as similar switching -over valve, this device tuber pipe air leakage that can audio -visual detection awaits measuring, convenient operation can great improvement work efficiency.
Description
Technical field
This utility model is related to airduct detection means, more particularly, to a kind of air conditioning wind pipe air leakage rate check device.
Background technology
As ventilation and air conditioning system is in daily life with more and more extensively, the big shortcoming of its airduct inleakage is increasingly convex
Aobvious, the size of airduct inleakage has directly influenced its energy-saving effect.So, the precision of air conditioning duct system is reaction
One important indicator of air conditioning system installation quality, therefore, air-line system air leakage rate testing is related to the processing and fabricating of airduct, peace
The raising of packing quality and to control system seepage in running, energy-saving have great significance.And current airduct leakage
Wind quantity test device is mainly made up of blower fan, reducer, pressure measurement instrument, honeycomb screen etc., and its equipment is complicated, and operating cost is high and leaks
Wind quantity test result is needed through deficiencies such as complicated formula calculating, therefore is had much room for improvement.
The Chinese patent of Publication No. CN103411742B discloses airduct blast tightness method of testing, including inspection of leaking out
Survey method, air leak test method comprises the steps：Step A, airduct sealing step：The arm being connected on airduct is removed,
And will seal at the opening for removing arm position, while remaining port of sealing air pipe and keeping a SAO；Step B, send
Wind apparatus installation steps：Take centrifugal blower to be arranged at the SAO of airduct by orifice plate；Step C, detection instrument install step
Suddenly：Install into air quantity differential manometer in orifice plate, in addition at least one position in airduct each arranges static pressure pressure in a pipe
Difference meter；Step D, detecting step：Start centrifugal blower to airduct inner blower so that air quantity differential manometer display parameter value is XPa
When and keep the parameter value, observe static pressure differential manometer in all of pipe, if in all pipes static pressure differential manometer parameter and air quantity
The parameter that differential manometer shows is consistent, represents whole airduct without leakage, if the individual parameter that don't bother about interior static pressure differential manometer is less than air quantity pressure
The parameter that difference meter shows, then it represents that airduct has small opening；Also include cigarette leak detection detection method, cigarette leak detection detection method includes as follows
Step：Step a, airduct sealing step：The arm being connected on airduct is removed, and will be close at the opening for removing arm position
Envelope, while remaining port of sealing air pipe and keeping a SAO；Step b, air-supply arrangement installation steps：Take centrifugal blower to lead to
Cross orifice plate to be arranged at the SAO of airduct；Step c, detection instrument installation steps：Install into air quantity differential manometer in orifice plate,
In addition at least one position in airduct each arranges static pressure differential manometer in a pipe；Step d, smoke devices installation steps：
In orifice plate or airduct or centrifugal blower exit install smoke generating device；Step e, detecting step：Start smog to occur
Device, then starts centrifugal blower to airduct inner blower so that when air quantity differential manometer display parameter value is XPa and keep the ginseng
Numerical value, observes static pressure differential manometer in all of pipe, if the parameter of static pressure differential manometer and air quantity differential manometer show in all pipes
Parameter is consistent, represents whole airduct without leakage, if the individual parameter that don't bother about interior static pressure differential manometer is less than the ginseng that air quantity differential manometer shows
Number, then it represents that airduct has small opening, when there is small opening, smog spillover position is found in observation, and the smog spillover position is small opening,
XPa is 700Pa.Cigarette leak detection detection method be using smog under high pressure effect to the loss of small opening position, so as to can easily, directly
See observe the small opening, it is convenient and reliable.But it is above-mentioned to facilitate operating process complicated, and including reducer, pressure measurement instrument, whole
The equipment such as stream grid, its equipment is complicated, it is difficult to carry out live air leak test in air conditioning duct system.
Chinese patent CN202158876U discloses a kind of air leakage rate detecting device of ventilating air-conditioning system, is existing for solving
There is the unhandy technical problem of air leakage rate check device and design, the device includes blower fan, converter, flexible pipe, detection pipe, leakage
Air measuring element, reversal valve, pressure difference meter, converter connecting fan, fan outlet connecting detection pipe one end, in detection pipe
Portion connects inleakage measuring cell, and the inleakage measuring cell includes orifice plate, measurement interface, and measurement interface is arranged at orifice plate two
End, the detection pipe other end connects tested airduct by pipe.Its designing points is that the measurement in the inleakage measuring cell connects
Mouth connection reversal valve, reversal valve connection pressure difference meter.The detection means connects pressure difference meter by reversal valve, realizes measurement object
Rapid translating, that is, static pressure and inleakage in airduct are met by reversal valve, it disadvantage is that installation commutation
Valve, while static pressure and inleakage can not read in airduct simultaneously, can only measure respectively.
Utility model content
The purpose of this utility model is exactly to solve existing air leak test in struments and operating process complexity, air-conditioner wind piping
The system Site Detection that leaks out the technical problem such as is difficult to and provides a kind of air conditioning wind pipe air leakage rate check device.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of air conditioning wind pipe air leakage rate check device, for detecting to the inleakage of airduct to be measured, detection means bag
Blower fan, flexible pipe, orifice flowmeter, air leakage rate check pipe and tilting differential manometer are included, described fan outlet is connected by flexible pipe
Air leakage rate check pipe one end is connected to, the described air leakage rate check pipe other end is connected with one end of airduct to be measured, described orifice plate
Effusion meter is located at the middle part of air leakage rate check pipe, the survey high-pressure side of described tilting differential manometer and survey low-pressure end respectively with orifice plate
The detection interface of effusion meter rear and front end is connected, and detection means also includes cup type piezometer, and described cup type piezometer is connected to
The other end of airduct to be measured, for measuring the static pressure force value in airduct to be measured.
Described blower fan is connected with frequency modulation variator, and described frequency modulation variator is used to regulate and control the wind speed of blower fan.
Described flexible pipe is latex tubing.
Equal strict seal connection between the two ends of described air leakage rate check pipe and flexible pipe and airduct to be measured.
It is tightly connected between described cup type piezometer and airduct to be measured.
The scale of described tilting differential manometer is displayed on mobilizable graduated tile, and graduated tile is fixed on removable by screw
On the panel for unloading.
When carrying out air leakage rate check to airduct to be measured, the necessary tight closure of all openings of air leakage rate check pipe, by blower fan
Constantly regulate intake carries out benefit wind, and with the operating pressure for maintaining airduct to be measured stable, the static pressure of airduct to be measured passes through cup type
Piezometer is detected, in the case where wind overpressure to be measured is stable, the inleakage of airduct to be measured is equal to the supplementary wind of blower fan
Amount.
This utility model carries out the principle of air leakage rate check：Operating pressure in airduct to be measured is kept to stablize using blower fan,
The air quantity missed in airduct to be measured is filled at any time, as long as detecting airduct to be measured supplementary air quantity at a particular pressure, that is, is drawn
The inleakage of airduct to be measured, and airduct to be measured supplementary air quantity at a particular pressure can be read pressure reduction by shown in tilting micromanometer
Number is calculated.
Concrete operations are as follows：Start blower fan, by the wind speed of frequency modulation transmission control blower fan, make the static pressure in airduct to be measured
Value reaches the operating pressure of test, can show pressure value in airduct to be measured by the cup type piezometer of airduct end to be measured, and
In the case of cup type piezometer stable reading, by the pressure difference before and after tilting differential manometer measuring diaphragm effusion meter.According to this
Pressure difference, it is possible to use relation curve between pressure reduction and inleakage is tabled look-up and obtains the value that leaks out of airduct to be measured.
Compared with prior art, detection means of the present utility model focuses on being provided with orifice plate stream in air leakage rate check pipe
Gauge, orifice flowmeter rear and front end is directly connected with tilting differential manometer, and arranges cup type pressure in the end of airduct to be measured
Pressure in power meter direct detection airduct to be measured, in airduct to be measured under the steady statue of operating pressure, tilting differential manometer
Pressure reduction that can be before and after sensing hole flowmeter, can table look-up or calculate the value that leaks out of airduct by this pressure difference.Therefore, originally
Device can read static pressure and inleakage in airduct to be measured by cup type piezometer with tilting differential manometer respectively, and be not required to
The parts such as similar reversal valve are installed.This device can intuitively detect airduct inleakage to be measured, easy to operate, can be carried with larger
High workload efficiency.This measuring device that leaks out, tests basic, normal, high pressure system airduct inleakage and duct wall deformation except meeting
Requirement outside, in measurement structure and technology, more simply, accurately.
Description of the drawings
Fig. 1 is the structural representation of this utility model air conditioning wind pipe air leakage rate check device；
In figure, 1- blower fans；2- frequency modulation variators；3- flexible pipes；4- orifice flowmeters；5- air leakage rate check pipes；6- wind to be measured
Pipe；7- cup type piezometers；8- tilting differential manometers.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in detail with specific embodiment.
Embodiment
A kind of air conditioning wind pipe air leakage rate check device, as shown in figure 1, for detecting to the inleakage of airduct to be measured 6,
Detection means includes blower fan 1, flexible pipe 3, orifice flowmeter 4, air leakage rate check pipe 5 and tilting differential manometer 8, the air outlet of blower fan 1
The one end of air leakage rate check pipe 5 is connected to by flexible pipe 3, the other end of air leakage rate check pipe 5 is connected with one end of airduct to be measured 6, hole
Flowmeter 4 is located at the middle part of air leakage rate check pipe 5, the survey high-pressure side of tilting differential manometer 8 and survey low-pressure end respectively with orifice plate
The detection interface of the rear and front end of effusion meter 4 is connected, and detection means also includes cup type piezometer 7, and cup type piezometer 7 is connected to be measured
The other end of airduct 6, for measuring the static pressure force value in airduct to be measured 6.
Wherein, blower fan 1 is connected with frequency modulation variator 2, and frequency modulation variator 2 is used to regulate and control the wind speed of blower fan 1.Flexible pipe 3 is breast
Sebific duct.Equal strict seal connection between the two ends of air leakage rate check pipe 5 and flexible pipe 3 and airduct to be measured 6.Cup type piezometer 7 with treat
Survey and be tightly connected between airduct 6.The scale of tilting differential manometer 8 is displayed on mobilizable graduated tile, and graduated tile is consolidated by screw
It is scheduled on dismountable panel.
When carrying out air leakage rate check to airduct to be measured 6, the necessary tight closure of all openings of air leakage rate check pipe 5, by wind
The constantly regulate intake of machine 1 carries out benefit wind, and with the operating pressure for maintaining airduct to be measured 6 stable, the static pressure of airduct to be measured 6 passes through
Cup type piezometer 7 is detected that the inleakage of airduct to be measured 6 is equal to the supplementary air quantity of blower fan 1.
Carry out the principle of air leakage rate check：Operating pressure in airduct to be measured 6 is kept to stablize using blower fan 1, airduct to be measured 6
In the air quantity missed fill at any time, as long as detecting the supplementary air quantity at a particular pressure of airduct to be measured 6, that is, drawn wind to be measured
The inleakage of pipe 6, and the supplementary air quantity at a particular pressure of airduct to be measured 6 can by shown in tilting micromanometer 8 delta pressure readings meter
Obtain.
Concrete operations are as follows：Start blower fan 1, the wind speed of blower fan 1 is controlled by frequency modulation variator 2, by the end of airduct to be measured 6
Cup type piezometer 7 show pressure value in airduct to be measured 6, when the static pressure in airduct to be measured 6 reaches the operating pressure of test,
And in the case of the stable reading of cup type piezometer 7, by the pressure difference before and after the measuring diaphragm effusion meter 4 of tilting differential manometer 8.
According to this pressure difference, it is possible to use relation curve between pressure reduction and inleakage is tabled look-up and obtains the value that leaks out of airduct to be measured 6.
The above-mentioned description to embodiment is that practicality is understood that and used for ease of those skilled in the art
It is new.Person skilled in the art obviously easily can make various modifications to these embodiments, and here is illustrated
General Principle be applied in other embodiment without through performing creative labour.Therefore, this utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, the improvement made without departing from this utility model category and
Modification all should be within protection domain of the present utility model.
Claims (5)
1. a kind of air conditioning wind pipe air leakage rate check device, for detecting to the inleakage of airduct to be measured (6), detection means bag
Include blower fan (1), flexible pipe (3), orifice flowmeter (4), air leakage rate check pipe (5) and tilting differential manometer (8), described blower fan
(1) air outlet is connected to air leakage rate check pipe (5) one end by flexible pipe (3), described air leakage rate check pipe (5) other end with treat
One end connection of airduct (6) is surveyed, described orifice flowmeter (4) is located at the middle part of air leakage rate check pipe (5), described tilting
The survey high-pressure side and survey low-pressure end of differential manometer (8) is connected respectively with the detection interface of orifice flowmeter (4) rear and front end, its feature
It is that detection means also includes cup type piezometer (7), described cup type piezometer (7) is connected to the another of airduct to be measured (6)
End, for measuring the static pressure force value in airduct to be measured (6).
2. a kind of air conditioning wind pipe air leakage rate check device according to claim 1, it is characterised in that described blower fan (1)
It is connected with frequency modulation variator (2), described frequency modulation variator (2) is for regulating and controlling the wind speed of blower fan (1).
3. a kind of air conditioning wind pipe air leakage rate check device according to claim 1, it is characterised in that described flexible pipe (3)
For latex tubing.
4. a kind of air conditioning wind pipe air leakage rate check device according to claim 1, it is characterised in that described inleakage inspection
Equal strict seal is connected between the two ends of test tube (5) and flexible pipe (3) and airduct to be measured (6).
5. a kind of air conditioning wind pipe air leakage rate check device according to claim 1, it is characterised in that described cup type pressure
It is tightly connected between meter (7) and airduct to be measured (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144480.XU CN206161253U (en) | 2016-10-21 | 2016-10-21 | Air conditioner tuber pipe air leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144480.XU CN206161253U (en) | 2016-10-21 | 2016-10-21 | Air conditioner tuber pipe air leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161253U true CN206161253U (en) | 2017-05-10 |
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ID=58655438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621144480.XU Active CN206161253U (en) | 2016-10-21 | 2016-10-21 | Air conditioner tuber pipe air leakage detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206161253U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367357A (en) * | 2017-08-04 | 2017-11-21 | 上海市安装工程集团有限公司 | A kind of tightness detector and its detection method |
| CN108593219A (en) * | 2018-05-16 | 2018-09-28 | 珠海格力电器股份有限公司 | The sealing state detection method of air-conditioning duct, apparatus and system |
| CN108871704A (en) * | 2018-05-21 | 2018-11-23 | 中冶建工集团有限公司 | The detection method of more piece splicing air hose tightness |
| CN109781362A (en) * | 2019-03-11 | 2019-05-21 | 任志丰 | A kind of ventilation and air conditioning system air quantity air leak test device |
| CN111059588A (en) * | 2018-10-17 | 2020-04-24 | 宁波方太厨具有限公司 | Central flue system and sealing state detection method thereof |
| CN111175011A (en) * | 2020-01-08 | 2020-05-19 | 中南大学 | Device and method for simulating working environment of fan and measuring air volume of fan during running of train |
| CN112985523A (en) * | 2021-02-07 | 2021-06-18 | 中国建筑科学研究院有限公司 | Air leakage rate testing device and method |
-
2016
- 2016-10-21 CN CN201621144480.XU patent/CN206161253U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367357A (en) * | 2017-08-04 | 2017-11-21 | 上海市安装工程集团有限公司 | A kind of tightness detector and its detection method |
| CN108593219A (en) * | 2018-05-16 | 2018-09-28 | 珠海格力电器股份有限公司 | The sealing state detection method of air-conditioning duct, apparatus and system |
| CN108871704A (en) * | 2018-05-21 | 2018-11-23 | 中冶建工集团有限公司 | The detection method of more piece splicing air hose tightness |
| CN111059588A (en) * | 2018-10-17 | 2020-04-24 | 宁波方太厨具有限公司 | Central flue system and sealing state detection method thereof |
| CN111059588B (en) * | 2018-10-17 | 2021-10-01 | 宁波方太厨具有限公司 | Central flue system and sealing state detection method thereof |
| CN109781362A (en) * | 2019-03-11 | 2019-05-21 | 任志丰 | A kind of ventilation and air conditioning system air quantity air leak test device |
| CN111175011A (en) * | 2020-01-08 | 2020-05-19 | 中南大学 | Device and method for simulating working environment of fan and measuring air volume of fan during running of train |
| CN112985523A (en) * | 2021-02-07 | 2021-06-18 | 中国建筑科学研究院有限公司 | Air leakage rate testing device and method |
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