CN104422570B - Inspection device and inspection method for oil return hole of steam and liquid separator - Google Patents

Inspection device and inspection method for oil return hole of steam and liquid separator Download PDF

Info

Publication number
CN104422570B
CN104422570B CN201310397972.4A CN201310397972A CN104422570B CN 104422570 B CN104422570 B CN 104422570B CN 201310397972 A CN201310397972 A CN 201310397972A CN 104422570 B CN104422570 B CN 104422570B
Authority
CN
China
Prior art keywords
sealing
tube
escape pipe
detection
liquid separator
Prior art date
Application number
CN201310397972.4A
Other languages
Chinese (zh)
Other versions
CN104422570A (en
Inventor
颜小林
余辉
李海龙
董明景
陈晓东
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to CN201310397972.4A priority Critical patent/CN104422570B/en
Publication of CN104422570A publication Critical patent/CN104422570A/en
Application granted granted Critical
Publication of CN104422570B publication Critical patent/CN104422570B/en

Links

Abstract

The invention provides an inspection device and an inspection method for an oil return hole of a steam and liquid separator. According to the inspection device of the oil return hole of the steam and liquid separator, the steam and liquid separator comprises a casing and an air outlet pipe, the oil return hole is positioned in the air outlet pipe, in addition, the first end of the air outlet pipe is positioned outside the casing, the second end of the air outlet pipe is positioned inside the casing, the detecting device comprises a sealing device and an inflation detection device, the sealing device is used for sealing the two ends of the air outlet pipe, and the inflation detection device inflates the air outlet pipe with the two sealed ends and detects the inflation flow rate. Through adopting a device for sealing the two ends of the air outlet pipe and inflating the air outlet pipe with the two sealed ends, the gas can only enter the steam and liquid separator from a balancing hole and the oil return hole and can be communicated with the outside, when the oil return hole is blocked, at a certain air pressure, the flow rate (i.e., the inflation flow rate) entering the steam and liquid separator from the air outlet pipe is obviously reduced, and whether the oil return hole is blocked or not is judged on the basis.

Description

The detection means of the spill port of vapour liquid separator and detection method

Technical field

The present invention relates to detection technique field, in particular to a kind of detection means of the spill port of vapour liquid separator And detection method.

Background technology

Vapour liquid separator is enclosed container, and internal structure cannot be directly viewable, and spill port is inside vapour liquid separator U-tube bottom, spill port plays the effect of oil return within air-conditioning systems, and oil return hole plug may directly result in compressor fortune Turn non lubricant oil, and lead to rotating shaft abrasion it is impossible to operate.In prior art, whether spill port is detected only dissect and peep with interior Two kinds of methods of inspection of spectroscopy.However, anatomic method is to use to open the enclosed structure of vapour liquid separator, efficiency is low, Working strength is big, and destroys the overall structure of vapour liquid separator it is impossible to come into operation after detection again;Though endoscope inspection method It is nondestructive testing, but check cost is high, and checkability is not high.

Content of the invention

The present invention is intended to provide a kind of detection means of spill port of the vapour liquid separator of Non-Destructive Testing and detection method.

The invention provides a kind of detection means of the spill port of vapour liquid separator, vapour liquid separator includes housing and gives vent to anger Pipe, spill port is located on escape pipe, and the first end of escape pipe is located at the outside of housing, and the second end of escape pipe is located at housing Internal;Detection means includes:Sealing device, the two ends sealing to escape pipe;Detection apparatus for aeration, to the escape pipe of two ends sealing Inner chamber inflate and detect flow of aerating air.

Further, sealing device includes:First sealing device, the first end sealing to escape pipe;Second sealing device, The second end sealing to escape pipe.

Further, the second sealing device is Inflatable sealing device, and Inflatable sealing device extends from the first end of escape pipe To the second end with the second end sealing to escape pipe.

Further, Inflatable sealing device includes:Bulge, expands to seal the second end of escape pipe;Operating portion, from going out The first end of trachea extends to the second end, and to bulge operation so that bulge expands.

Further, bulge is swelling gasbag;Operating portion includes the first connecting tube;The first end of the first connecting tube is from going out The first end of trachea extends to escape pipe second end, and is connected with swelling gasbag;Second end of the first connecting tube is used for and the One source of the gas connection.

Further, operating portion also includes:First air gauge, is connected in the first connecting tube to control the gas of swelling gasbag Pressure.

Further, detection apparatus for aeration includes:Second connecting tube, the first end of the second connecting tube and the inner chamber of escape pipe It is connected, the second end of the second connecting tube is used for connecting with the second source of the gas;Effusion meter, is connected in the second connecting tube to detect Gas flow in two connecting tubes.

Further, detection apparatus for aeration also includes:Second air gauge, is connected in the second connecting tube to control second even Gas pressure in adapter.

Further, flow is calculated as spinner flowmeter.

Further, first sealing device is sealing-plug.

Present invention also offers a kind of detection method of the spill port of vapour liquid separator, method comprises the following steps:Step S10:Seal the two ends of escape pipe using sealing device;Step S20:In the escape pipe being sealed to two ends using detection apparatus for aeration Insufflation gas simultaneously detect flow of aerating air.

Further, step S10 specifically includes:Step S11:Extended from the first end of escape pipe using Inflatable sealing device Seal to the second end and to the second end of escape pipe;Step S12:Using sealing-plug, the first end of escape pipe is sealed.

Further, step S11 specifically includes:Step S111:By the first connecting tube be connected with the end of swelling gasbag from The first end of escape pipe extends to the second end;Step S112:Open the first source of the gas to insufflation gas in swelling gasbag so that expanding Airbag inflation seals the second end of escape pipe;Step S113:When the first barometric air pressure reaches the first preset value, close the One source of the gas pressurize.

Further, step S20 specifically includes:Step S21:Open the second source of the gas, inflate in tube cavity of giving vent to anger;Step S22:Adjust the second barometric air pressure and reach the second preset value;Step S23:Read effusion meter numerical value and with acceptance value pair Than.

The detection means of the spill port of the vapour liquid separator according to the present invention and detection method, by close to escape pipe two ends Seal apparatus, and the inner chamber inflation of the escape pipe sealing to two ends is to detect flow of aerating air.Equal to two ends using detection apparatus for aeration Inflate in the escape pipe of sealing, gas can only enter vapour liquid separator inside from balance pipe and spill port and be in communication with the outside, From escape pipe, when oil return hole plug, under certain air pressure, enter the flow of vapour liquid separator(I.e. flow of aerating air)Significantly Reduce, to judge whether spill port blocks according to this.The detection means of the present invention and detection method, structure of the detecting device is simple, inspection Survey method low cost, and destruction is not produced to vapor-liquid separator structure, the event after sale of vapour liquid separator can be effectively reduced Barrier rate, improve product quality.

Brief description

The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is the structural representation of the detection means of the spill port of the vapour liquid separator according to the present invention.

Specific embodiment

To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.

In a particular embodiment of the present invention, to illustrate the present invention in conjunction with vapour liquid separator 10 sectional view shown in 1 The spill port of vapour liquid separator detection means.As shown in Figure 1, vapour liquid separator 10 includes housing 11, escape pipe 12 and Air inlet pipe 13, wherein, in the present embodiment escape pipe 12 be shaped as U-shaped shape, hereinafter referred to as U-tube, certainly according to actual need Will, the shape of escape pipe 12 is not limited to U-shaped shape.Spill port 12a is located at the bottom of U-tube, and the first end of U-tube is located at The outside of housing 11, the second end of U-tube is located at the inside of housing 11, usually, U-tube is additionally provided with balance pipe 12b.

The detection means of the present invention includes sealing device 20 and detection apparatus for aeration 30, sealing device 20 to U-tube two End sealing, inflates in the U-tube that detection apparatus for aeration 30 seals to two ends.Due to the sealing of U-tube two ends, the gas in inner chamber is only Can discharge from spill port 12a and balance pipe 12b, when air inlet pipe 13 is opened wide, inside housing 11, spill port 12a and balance pipe 12b is directly and atmosphere.

When spill port 12a blocking or Partial Blocking, the leaving area of U-tube reduces, in the case that air pressure is certain, When comparing spill port 12a and not blocking, extraction flow(I.e. flow of aerating air)Reduce, by detecting flow of aerating air, and and acceptance value Contrast, you can judge whether spill port 12a blocks.Usually, acceptance value is at the same pressure, to multiple spill port 12a Do not block vapour liquid separator 10 to inflate, and detect the statistical value result of flow of aerating air.When flow of aerating air is less than acceptance value, can To think spill port 12a blocking, thus judging that vapour liquid separator 10 is unqualified, conversely, closing when flow of aerating air is more than or equal to During lattice value, then judge that vapour liquid separator 10 is qualified.The detection means of the present invention realizes Non-Destructive Testing to vapour liquid separator 10, can have Effect reduces the fault rate after sale of vapour liquid separator 10, improve product quality.

Specifically, sealing device 20 includes the first sealing device to the sealing of U-tube first end, and to U-tube second end Second sealing device of sealing, because the first end of U-tube is located at the outside of housing, relatively easy operation, first sealing device Sealing-plug 21 can directly be adopted.

Second sealing device adopts Inflatable sealing device, and Inflatable sealing device extends to the second end from the first end of U-tube With the second end sealing to U-tube, that is, vapor-liquid separation is pointed to from the outside of vapour liquid separator 10 using Inflatable sealing device Second end sealing of the U-tube within device 10.Sealing-plug 21 seals to the first end of U-tube, after the two ends of U-tube all seal, The inner chamber of whole U-tube only has spill port 12a and balance pipe 12b and extraneous conducting, that is, adopt detection apparatus for aeration 30 to U-tube During inner inflatable, gas can only be discharged from spill port 12a and balance pipe 12b, when air inlet pipe 13 is opened wide, inside housing 11, returns Oilhole 12a and balance pipe 12b is directly and atmosphere.

Specifically, Inflatable sealing device includes bulge and operating portion, and operating portion extends to second from the first end of U-tube End, makes bulge be located between the terminal part at the second end of U-tube or the terminal part at spill port 12a and the second end, in vapour-liquid Separator 10 is outside to be operated to bulge by operating portion, so that bulge is expanded, thus the second end sealing to U-tube.Need Illustrate, in this manual, the second end of U-tube is not strictly defined as the terminal part at the second end of U-tube, in Fig. 1 In shown U-tube, U-tube is located at the part on the right side of spill port 12a, is all regarded as the second end of U-tube.

More specifically, in a preferred embodiment of the invention, bulge is swelling gasbag 22, and operating portion includes the first connection Pipe 23 and the first source of the gas 24, swelling gasbag 22 is connected in the first end of the first connecting tube 23, is connected with the of swelling gasbag 22 The end of one connecting tube 23 extends to U-tube second end from the first end of U-tube, makes swelling gasbag 22 be located at spill port 12a right Side.First source of the gas 24 is connected with the second end of the first connecting tube 23, and opening the first source of the gas 24 can make to swelling gasbag 22 inflation Swelling gasbag 22 is heaved, thus to the part sealing on the right side of spill port 12a.

Preferably, operating portion also includes the first air gauge 25, and the first air gauge 25 is connected in the first connecting tube 23 to control The air pressure of swelling gasbag 22 processed, suitable air pressure can make swelling gasbag 22 reliably seal the second end of U-tube, simultaneously and not Swelling gasbag 22 is led to burst greatly very much as pressure.

Specifically, detection apparatus for aeration 30 includes the second connecting tube 31, the second source of the gas 32, effusion meter 33.Second connecting tube 31 first end and the intracavity inter-connection of U-tube, the second source of the gas 32 is connected with the second end of the second connecting tube 31, thus to U-shaped Pipe is inflated.Effusion meter 33 is connected in the second connecting tube 31 to detect the gas flow in the second connecting tube 31.Second connecting tube 31 the blowing pressure directly can be controlled by the second source of the gas 32, also can connect the second air gauge 34 in the second connecting tube 31, from And it is precisely controlled the gas pressure in the second connecting tube 31.Preferably, effusion meter 33 is spinner flowmeter, measures air-flow stream Amount is more accurate.As penetrating in spill port 12a without exception, then the flow value that spinner flowmeter shows is larger, such as spill port 12a blocking, Then gas can only flow out from balance pipe 12b, then flow value is less.The detection means of the present invention can be directly perceived from the size of flow value Whether inspection spill port 12a blocks, and operation is simple and quick, can effectively improve checkability.And the detection of present invention dress The power resources put are all gas pressures, need not any electrical equipment original paper, reducing energy consumption, save inspection cost.

Preferably, the first connecting tube 23 and the second connecting tube 31 are set for convenience, sealing-plug 21 is provided with two points Through hole not with the first connecting tube 23 and the second connecting tube 31 cooperation, through hole and the first connecting tube 23 and the second connecting tube 31 outward Wall is tightly connected the accuracy it is ensured that measuring.

Present invention also offers a kind of detection method of the spill port of vapour liquid separator, the method comprises the following steps:Step Rapid S10:Seal the two ends of escape pipe 12 using sealing device;Step S20:The institute being sealed to two ends using detection apparatus for aeration 30 State in escape pipe 12 insufflation gas and detect flow of aerating air.Due to the sealing of U-tube two ends, the gas in inner chamber can only be from spill port Discharge in 12a and balance pipe 12b, when air inlet pipe 13 is opened wide, inside housing 11, spill port 12a and balance pipe 12b directly with big Gas connects.When spill port 12a blocking or Partial Blocking, the leaving area of U-tube reduces, in the case that air pressure is certain, When comparing spill port 12a and not blocking, extraction flow(I.e. flow of aerating air)Reduce, by detecting flow of aerating air, and and acceptance value Contrast, you can judge whether spill port 12a blocks.

The two ends of sealing U-tube specifically include, and first the first connecting tube 23 and the second connecting tube 31 are located in sealing-plug In through hole in 21, and pass through suitable length;Then connect swelling gasbag 22 in the end of the first connecting tube 23, and fixation can Lean on, then seal the second end of U-tube, finally the sealing-plug 21 being equipped with the first connecting tube 23 and the second connecting tube 31 is stoppered The first end of U-tube, so that the two ends of U-tube all seal.

More specifically, the second end of sealing U-tube comprises the steps:First, the first connecting tube 23 is connected with expansion The end of air bag 22 is from the first end of U-tube(Outside vapour liquid separator 10)Extend to the second end, will the first connecting tube 23 stretch into outside the vapour liquid separator 10 of U-tube, make swelling gasbag 22 be located at the spill port 12a's of U-tube as shown in Figure 1 Right side position.Then, open the first source of the gas 24 to insufflation gas in swelling gasbag 22 so that swelling gasbag 22 expands, thus sealing Second end of U-tube, and detect whether swelling gasbag 22 seals up the second end of U-tube;Usually, the different caliber of correspondence, When swelling gasbag 22 has corresponding air pressure preset value, when the first air gauge 25 reaches corresponding preset value, close the first gas Source 24 pressurize, thus ensure that the second end of U-tube is in sealing state.

Specifically, the detection to the U-tube of two ends sealing comprises the steps:First, open the second source of the gas 32, to U-shaped Inflate in tube cavity;Then adjust the air pressure of the second air gauge 34, make the blowing pressure reach pressure value set in advance(Generally 0.1Mpa);After flow of aerating air is stable, reads the numerical value of effusion meter 33 and contrast with acceptance value.When the numerical value of effusion meter 33 is big In or be equal to acceptance value or acceptability limit and be believed that vapour liquid separator is qualified;When the numerical value of effusion meter 33 is less than acceptance value Or then it is assumed that vapour liquid separator 10 is unqualified during acceptability limit.Acceptance value or acceptability limit can be calculated by understanding, or Person is obtained by direct experiment, and the vapour liquid separator qualified using additive method detection is adopted with the detection method of the present invention, Flow of aerating air is counted, thus obtaining acceptance value.

As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:

The detection means of the spill port of the vapour liquid separator according to the present invention and detection method, cross and adopt Inflatable sealing device Extend to the second end from the first end of U-tube, thus the second end sealing to U-tube in the outside of vapour liquid separator, then adopt With sealing-plug, the first end of U-tube is sealed so that U-tube two ends all seal.Using detection apparatus for aeration, two ends are all sealed U-tube in inflate, gas can only enter inside vapour liquid separator from balance pipe and spill port and be in communication with the outside, and works as oil return From U-tube, during hole plug, under certain air pressure, enter the flow of vapour liquid separator(I.e. flow of aerating air)It is substantially reduced, according to This is judging whether spill port blocks.Achieve vapour liquid separator nondestructive testing, can effectively reduce the event after sale of vapour liquid separator Barrier rate, improve product quality.And testing result is intuitively reacted by flow value, detection method is simple and quick, Ke Yiyou Effect improves detection efficiency.In addition, the detection means of the present invention and detection method power resources are all gas pressures, need not any electricity Device original paper, reducing energy consumption, save inspection cost.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (14)

1. a kind of detection means of the spill port of vapour liquid separator, described vapour liquid separator (10) includes housing (11) and escape pipe (12), described spill port (12a) is located on described escape pipe (12), and the first end of described escape pipe (12) is located at described housing (11) outside, the second end of described escape pipe (12) is located at the inside of described housing (11);It is characterized in that, described detection dress Put including:
Sealing device (20), the two ends sealing to described escape pipe (12);
Detection apparatus for aeration (30), the inner chamber of described escape pipe (12) to two ends sealing is inflated and is detected flow of aerating air, when filling When throughput is less than acceptance value, judge that described spill port (12a) blocks, thus judging that vapour liquid separator (10) is unqualified, conversely, When flow of aerating air is more than or equal to acceptance value, then judge that vapour liquid separator (10) is qualified.
2. detection means according to claim 1 is it is characterised in that described sealing device includes:
First sealing device, the first end sealing to described escape pipe (12);
Second sealing device, the second end sealing to described escape pipe (12).
3. detection means according to claim 2 it is characterised in that
Described second sealing device is Inflatable sealing device, and the first end from described escape pipe (12) for the described Inflatable sealing device is prolonged Reach the second end with the second end sealing to described escape pipe (12).
4. detection means according to claim 3 is it is characterised in that described Inflatable sealing device includes:
Bulge, expands to seal the second end of described escape pipe (12);
Operating portion, extends to the second end from the first end of described escape pipe (12), and to the operation of described bulge so that described swollen Swollen portion expands.
5. detection means according to claim 4 it is characterised in that
Described bulge is swelling gasbag (22);
Described operating portion includes the first connecting tube (23);
The first end of described first connecting tube (23) extends to described escape pipe (12) from the first end of described escape pipe (12) Two ends, and be connected with described swelling gasbag (22);Second end of described first connecting tube (23) is used for and the first source of the gas (24) Connection.
6. detection means according to claim 5 is it is characterised in that described operating portion also includes:
First air gauge (25), is connected on described first connecting tube (23) to control the air pressure of described swelling gasbag (22).
7. detection means according to any one of claim 1 to 6 is it is characterised in that described detection apparatus for aeration (30) Including:
The intracavity inter-connection of the second connecting tube (31), the first end of described second connecting tube (31) and described escape pipe (12), institute The second end stating the second connecting tube (31) is used for connecting with the second source of the gas (32);
Effusion meter (33), is connected on described second connecting tube (31) to detect the gas stream in described second connecting tube (31) Amount.
8. detection means according to claim 7 is it is characterised in that described detection apparatus for aeration (30) also includes:
Second air gauge (34), is connected on described second connecting tube (31) to control the gas in described second connecting tube (31) Pressure.
9. detection means according to claim 8 is it is characterised in that described effusion meter (33) is spinner flowmeter.
10. detection means according to claim 2 it is characterised in that
First sealing device is sealing-plug (21).
A kind of 11. detection methods of the spill port of vapour liquid separator are it is characterised in that the method comprising the steps of:
Step S10:Seal the two ends of escape pipe (12) using sealing device;
Step S20:In the described escape pipe (12) being sealed to two ends using detection apparatus for aeration (30), insufflation gas detecting are filled Throughput, when flow of aerating air is less than acceptance value, judges that described spill port (12a) blocks, thus judging vapour liquid separator (10) Unqualified, conversely, when flow of aerating air is more than or equal to acceptance value, then judging that vapour liquid separator (10) is qualified.
12. detection methods according to claim 11 are it is characterised in that described step S10 specifically includes:
Step S11:Second end is extended to from the first end of described escape pipe (12) using Inflatable sealing device and gives vent to anger to described Second end sealing of pipe (12);
Step S12:Using sealing-plug (21), the first end of described escape pipe (12) is sealed.
13. detection methods according to claim 12 are it is characterised in that described step S11 specifically includes:
Step S111:First connecting tube (23) is connected with the end of swelling gasbag (22) first end from described escape pipe (12) Extend to the second end;
Step S112:Open the first source of the gas (24) to insufflation gas in described swelling gasbag (22) so that described swelling gasbag (22) Second end of escape pipe described in Expansion sealing (12);
Step S113:When the air pressure of the first air gauge (25) reaches the first preset value, close the pressurize of described first source of the gas (24).
14. detection methods according to claim 11 are it is characterised in that described step S20 specifically includes:
Step S21:Open the second source of the gas (32), inflate in described escape pipe (12) inner chamber;
Step S22:The air pressure adjusting the second air gauge (34) reaches the second preset value;
Step S23:Read the numerical value of effusion meter (33) and contrast with acceptance value.
CN201310397972.4A 2013-09-04 2013-09-04 Inspection device and inspection method for oil return hole of steam and liquid separator CN104422570B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310397972.4A CN104422570B (en) 2013-09-04 2013-09-04 Inspection device and inspection method for oil return hole of steam and liquid separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310397972.4A CN104422570B (en) 2013-09-04 2013-09-04 Inspection device and inspection method for oil return hole of steam and liquid separator

Publications (2)

Publication Number Publication Date
CN104422570A CN104422570A (en) 2015-03-18
CN104422570B true CN104422570B (en) 2017-02-08

Family

ID=52972204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310397972.4A CN104422570B (en) 2013-09-04 2013-09-04 Inspection device and inspection method for oil return hole of steam and liquid separator

Country Status (1)

Country Link
CN (1) CN104422570B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062974A (en) * 1990-12-25 1992-07-22 山东矿业学院 Boring subsection water injection, the inflation technology of leaking hunting
CN101598624A (en) * 2009-06-19 2009-12-09 安东石油技术(集团)有限公司 A kind of leak hunting method of gases at high pressure efficiently
CN201666702U (en) * 2010-01-14 2010-12-08 珠海格力电器股份有限公司 Vapor-liquid separator
CN202305154U (en) * 2011-11-14 2012-07-04 北京冶核技术发展有限责任公司 Leakage detection device for heat transfer tube of heat exchanger
CN102680181A (en) * 2011-03-14 2012-09-19 铁道部运输局 Method and device for testing vehicle body airtightness and fatigue of railway vehicle
CN102768104A (en) * 2012-06-25 2012-11-07 苏州华爱电子有限公司 Water dispenser used water system leak detection device and method
JP5314387B2 (en) * 2008-10-31 2013-10-16 アズビル株式会社 Leak detection system and leak detection method for sealed container
CN203443750U (en) * 2013-09-04 2014-02-19 珠海格力电器股份有限公司 Oil return hole detection device of gas-liquid separator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062974A (en) * 1990-12-25 1992-07-22 山东矿业学院 Boring subsection water injection, the inflation technology of leaking hunting
JP5314387B2 (en) * 2008-10-31 2013-10-16 アズビル株式会社 Leak detection system and leak detection method for sealed container
CN101598624A (en) * 2009-06-19 2009-12-09 安东石油技术(集团)有限公司 A kind of leak hunting method of gases at high pressure efficiently
CN201666702U (en) * 2010-01-14 2010-12-08 珠海格力电器股份有限公司 Vapor-liquid separator
CN102680181A (en) * 2011-03-14 2012-09-19 铁道部运输局 Method and device for testing vehicle body airtightness and fatigue of railway vehicle
CN202305154U (en) * 2011-11-14 2012-07-04 北京冶核技术发展有限责任公司 Leakage detection device for heat transfer tube of heat exchanger
CN102768104A (en) * 2012-06-25 2012-11-07 苏州华爱电子有限公司 Water dispenser used water system leak detection device and method
CN203443750U (en) * 2013-09-04 2014-02-19 珠海格力电器股份有限公司 Oil return hole detection device of gas-liquid separator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汽液分离器中配管开孔的设计原理与作用;郭宋等;《工业技术》;20071231(第18期);第35页 *

Also Published As

Publication number Publication date
CN104422570A (en) 2015-03-18

Similar Documents

Publication Publication Date Title
US7578170B2 (en) Instrument and method for detecting and reporting the size of leaks in hermetically sealed packaging
JP4369977B2 (en) Apparatus and method for detecting leaks in hermetically sealed packages
RU2620871C2 (en) Quick detection of leaks in rigid/flexible packaging without test gas adding
US9285291B2 (en) Test system and method for flexible containers
CN103837214B (en) Combined container type gas flow detection device by pVTt method
CN104713684B (en) The ultralow temperature leak test method of accumulator
US8375770B2 (en) Engine leak detector and leak detection method
US20140096595A1 (en) Method and device for tightness testing
CN202471374U (en) Multifunctional airtightness detection apparatus
CN104266803B (en) Air tightness detecting system and airtight detection method
CN102384825B (en) Air tightness detection device for gate valve
CN101408466B (en) Method and device for detecting leakage of shell type heat exchanger
JP6129870B2 (en) Method for detecting leaks in non-rigid specimens
US20090277249A1 (en) Method and device for determining the quality of seal of a test object
US8171773B2 (en) Sniffing leak detector
WO2003078955A1 (en) Leak tester
US6196056B1 (en) System for determining integrity of a gas-sealed compartment
JP2016513228A (en) Smart valve
CA2040067C (en) Method and apparatus for analyzing the operating condition of a machine
US6640614B1 (en) Package burst pressure simulator
CN101592547A (en) The method of anesthesia machine system Leak Detection
CN102269641A (en) Detection device and method of tightness of flexible package products
CN201867290U (en) Air tightness testing device for automobile air-conditioning box
US7168287B2 (en) Reference leakage device for leak sniffer detector
DE602004013199T2 (en) System and method for determining the leakage safety of an object

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model