CN203908737U - Leak detection device - Google Patents

Leak detection device Download PDF

Info

Publication number
CN203908737U
CN203908737U CN201320863961.6U CN201320863961U CN203908737U CN 203908737 U CN203908737 U CN 203908737U CN 201320863961 U CN201320863961 U CN 201320863961U CN 203908737 U CN203908737 U CN 203908737U
Authority
CN
China
Prior art keywords
high pressure
detection apparatus
leakage detection
water tank
button
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201320863961.6U
Other languages
Chinese (zh)
Inventor
田正刚
吴季华
贾玉龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
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 Gree Electric Appliances Inc of Zhuhai, Gree Wuhan Electric Appliances Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201320863961.6U priority Critical patent/CN203908737U/en
Application granted granted Critical
Publication of CN203908737U publication Critical patent/CN203908737U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a leak detection device including a piping system, a detection system and an electronic control system; the piping system is used for communicating a product to be detected with an external high pressure gas source, and providing a high-pressure gas delivery channel; the detection system is used for detecting whether a product to be detected is leaked; and the electronic control system is electrically connected to the detection system and is used for controlling the operation of the detection system. The high pressure of an air conditioning system is simulated via the piping system, quick connector products is subjected to leak detection, and the leak detection results are accurate and effective; and the detection system is controlled by the electronic control system, and therefore the leak detection efficiency and product quality are improved.

Description

Leakage detection apparatus
Technical field
The utility model relates to properties of product and detects frock, particularly relates to a kind of leakage detection apparatus.
Background technology
Rapid-acting coupling series products connects mainly for the production of auxiliary, and this series products, in long-term use procedure, easily occurs because of ring wear, connects the former thereby leakage problem that causes such as loosening.In field of air conditioning, when the outer machine of leakage is reprocessed, the refrigerant in complete machine all need to be emitted, need the time of growing to vacuumize simultaneously, so not only waste more refrigerant, and can lose more man-hour.Whether, for this series products, traditional way is according to technological requirement, make regular check on O-ring seal and wear and tear, and this method efficiency is lower and reliability is poor.
Utility model content
Based on the problems referred to above, the utility model provides a kind of leakage detection apparatus, can accurately reflect the sealing effectiveness of rapid-acting coupling series products, stops the refrigerant that causes because of rapid-acting coupling series products and the waste in man-hour, has effectively improved leak detection efficiency and product quality.
The utility model adopts following technical scheme:
A kind of leakage detection apparatus, comprises pipe system, detection system and electric-control system;
Described pipe system is used for being communicated with product to be detected and extraneous high-pressure air source, and gases at high pressure transfer passage is provided;
Whether described detection system there is gas leak phenomenon for detection of product to be detected;
Described electric-control system is electrically connected with described detection system, for controlling the action of described detection system.
In an embodiment, described pipe system comprises main pipe rail and some high pressure branch roads therein;
On described main pipe rail, be provided with safety valve, the first pneumatic valve, the second pneumatic valve; On every described high pressure branch road, be provided with high pressure hand-operated valve and several butt junctions;
Described safety valve is connected with extraneous high-pressure air source, for introducing gases at high pressure;
Described the first pneumatic valve is for being incorporated into some described high pressure branch roads by gases at high pressure;
Described the second pneumatic valve is for discharging the gases at high pressure of described pipe system;
Described high pressure hand-operated valve is for controlling the break-make of every described high pressure branch road and main pipe rail;
Described several butt junctions are connected with product to be detected.
In an embodiment, described high pressure hand-operated valve is connected on described high pressure branch road by two pairs of flanges therein.
In an embodiment, described pipe system also comprises at least one tensimeter therein;
Described at least one tensimeter is arranged on the diverse location point of described main pipe rail, changes for the pressure of monitoring described pipe system mesohigh gas.
In an embodiment, described detection system comprises water tank and the first actuating unit therein;
In described water tank, liquid is housed;
When described leakage detection apparatus starts to hunt leak, product to be detected is immersed in described water tank; When described leakage detection apparatus finishes to hunt leak, product to be detected takes out from described water tank;
Described actuating unit is used for controlling described water tank and moves.
In an embodiment, described leakage detection apparatus also comprises protection system therein;
Described protection system is arranged on a side of described water tank, and is positioned at the top of described water tank, comprises safety screen and the second actuating unit;
In the time that described leakage detection apparatus starts to hunt leak, described safety screen covers on above described water tank under the effect of described the second actuating unit; In the time that described leakage detection apparatus leak detection finishes, described safety screen resets under the effect of described the second actuating unit.
In an embodiment, described the first actuating unit and described the second actuating unit are cylinder therein.
In an embodiment, on described electric-control system, be provided with power supply the Show Button, operation the Show Button, scram button, start button, stop button and manual/auto button therein;
After described electric-control system switches on power, press start button, described power supply the Show Button and described operation the Show Button brighten, and described detection system starts action; Press stop button, described power supply the Show Button and described operation the Show Button are dimmed, and described detection system stops action;
In the time breaking down, press scram button, be equivalent to cut off the electricity supply;
Described manual/auto button is for the switching between manually controlling and automatically controlling.
In an embodiment, described leakage detection apparatus also comprises support system therein, is used to described leakage detection apparatus to provide support.
Leakage detection apparatus of the present utility model, mainly for the leak detection of air-conditioning rapid-acting coupling series products, by the high-pressure of pipe system analog space adjusting system, utilize detection system to hunt leak to rapid-acting coupling series products, leak detection result accurate and effective, stopped rapid-acting coupling series products and broken down, thereby the waste in the coolant leakage causing and man-hour effectively improves leak detection efficiency and product quality; By electric control system controls detection system, further improve leak detection efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model leakage detection apparatus one embodiment;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the structural representation of pipe system one embodiment of the utility model leakage detection apparatus;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation that the braced system of the utility model leakage detection apparatus is unified embodiment;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the structural representation of slide rail one embodiment of the utility model leakage detection apparatus;
Fig. 8 is the structural representation of water tank one embodiment of the utility model leakage detection apparatus;
Fig. 9 is the structural representation of protective cover one embodiment of the utility model leakage detection apparatus.
Embodiment
Describe the utility model in detail below in conjunction with embodiment.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Referring to Fig. 1 to Fig. 9, the utility model provides a kind of leakage detection apparatus, comprises pipe system 100, detection system 200 and electric-control system (not shown); Pipe system 100 is for being communicated with product to be detected and extraneous high-pressure air source, and gases at high pressure transfer passage is provided; Whether detection system 200 there is gas leak phenomenon for detection of product to be detected; Electric-control system is electrically connected with detection system 200, for controlling the action of detection system 200.
Leakage detection apparatus of the present utility model, is mainly used in the sealing of the rapid-acting coupling series products in air-conditioning system to test.Introduce gases at high pressure by pipe system 100, the high-pressure of analog space adjusting system, and then whether detection rapid-acting coupling series products leaks gas, if discovery gas leak phenomenon, in time gas leakage product is changed or overhauled, thereby stop product the break down coolant leakage that causes and the waste in man-hour, effectively improved leak detection efficiency and product quality; Meanwhile, by electric control system controls detection system 200, further improved leak detection efficiency.
Preferably, as a kind of embodiment, pipe system 100 comprises main pipe rail 110 and some high pressure branch roads 120; On main pipe rail 110, be provided with safety valve 111, the first pneumatic valve 112, the second pneumatic valve 113; On every high pressure branch road 120, be provided with high pressure hand-operated valve 122 and several butt junctions 126; Safety valve 111 is connected with extraneous high-pressure air source, and for introducing gases at high pressure, more preferably, safety valve 111 adopts four points of valves of 50KG; The first pneumatic valve 112 is for being incorporated into gases at high pressure high pressure branch road 120; The second pneumatic valve 113 is for the gases at high pressure of discharge pipe system 100; High pressure hand-operated valve 122 is for controlling the break-make of every high pressure branch road 120 and main pipe rail 110, preferably, therein in an embodiment, high pressure hand-operated valve 122 is connected on high pressure branch road 120 by two pairs of flanges 124, flange 124 connections have stronger sealing, can not impact the leak detection of pipe system 100; Butt junction 126 is connected with product to be detected, and more preferably, butt junction 126 comprises different models, to adapt to the interface of different products to be detected.
Leakage detection apparatus of the present utility model, gases at high pressure are introduced from safety valve 111, are incorporated into each butt junction 126 places in each high pressure branch road 120 through the first pneumatic valve 112 and high pressure hand-operated valve 122; Under the control of control system, detection system 200 starts leak detection; Hunt leak complete, close the first pneumatic valve 112, open the second pneumatic valve 113, the gases at high pressure in pipe system 100 are emitted, prepare to arrange next group to detect.Preferably, in pipe system 100, be also provided with exhaust box 115, in the time of discharge gases at high pressure, can carry out weakening of noise by exhaust box 115.
More preferably, as a kind of embodiment, on the main pipe rail 110 of pipe system 100, be also provided with tensimeter 114, change for the pressure of monitoring pipe system 100 mesohigh gases.Adding of tensimeter 114, can monitor the stability of pipe system 100; In the time there is gas leak phenomenon in product to be detected, can monitor the pressure loss that causes while leakage, detect the gas leakage problem of product from principle.More preferably, tensimeter 114 is multiple, is arranged on the diverse location point of main pipe rail 110.
As a kind of embodiment, detection system 200 comprises water tank 210 and the first actuating unit 220; In water tank 210, liquid is housed, is generally water; When leakage detection apparatus starts to hunt leak, product to be detected is immersed in water tank 210; When leakage detection apparatus finishes to hunt leak, product to be detected takes out from water tank 210; Actuating unit is used for controlling water tank 210 and moves.Preferably, actuating unit is cylinder.In the time hunting leak, the liquid in water tank 210 floods product to be detected, if product to be detected gas leakage can occur bubble in water tank 210, by checking that bubble carrys out leakage detection, intuitive and convenient, has guaranteed the accuracy of result.
More preferably, as a kind of embodiment, leakage detection apparatus also comprises protection system 300; Protection system 300 is arranged on a side of water tank 210, and is positioned at the top of water tank 210, comprises safety screen 310 and the second actuating unit 320; In the time that leakage detection apparatus starts to hunt leak, the second actuating unit 320 moves, by safety screen 310 be pushed to water tank 210 directly over, by the product to be detected in water tank 210, this covers on wherein, prevents that product to be detected from producing initiation security incident from joint; In the time that leakage detection apparatus leak detection finishes, safety screen 310 reset under the pulling of the second actuating unit 320 is removed directly over water tank 210.Preferably, the second actuating unit 320 is cylinder.Referring to Fig. 9, be an embodiment of the safety screen 310 of the utility model leakage detection apparatus, in this embodiment, four frames are the zine plate that 2mm is thick, form bracing frame, to be that transverse steel wire and longitudinal steel wire are staggered form zone line, and transverse steel wire and longitudinal steel wire are welded on the bracing frame that zine plate forms.Safety screen 310 can prevent because the joint that the factors such as pipe system 100 mesohigh gaseous tensions are excessive cause is produced initiation security incident, has increased the security of leak detection process.Preferably, protection system 300 is electrically connected with electric-control system, under the control of electric-control system, moves.
Preferably, as a kind of embodiment, on electric-control system, be provided with power supply the Show Button, operation the Show Button, scram button, start button, stop button and manual/auto button;
After electric-control system switches on power, press start button, now, power supply the Show Button and operation the Show Button brighten, detection system 200 starts action, in an embodiment, show as the first engine 220 and promote water tank 210 to product to be detected place, until product to be detected is flooded therein, (predeterminable through certain hour, be generally 10s) after, the first engine 220 pulls water tank 210 to reset, and leaves product to be detected; Press stop button, power supply the Show Button and operation the Show Button are dimmed, and detection system 200 stops action; In the time breaking down, press scram button, be equivalent to cut off the electricity supply; Manual/auto button is for the switching between manually controlling and automatically controlling.
Key point of the present utility model is by pipe system 100 and pick-up unit 200.Below by specific embodiment, pipe system 100 and detection system 200 are illustrated.
Referring to Fig. 3 and Fig. 4, it is a specific embodiment of the pipe system 100 of the utility model leakage detection apparatus.Pipe system 100 comprises tri-of main pipe rail 110 and high pressure branch road 120().Main pipe rail 110 comprises two of safety valve 111, the first pneumatic valve 112, the second pneumatic valve 113, tensimeter 114() and exhaust box 115; Tri-of high pressure branch road 120() be all connected with main pipe rail 110, in every high pressure branch road 120, be respectively arranged with a high pressure hand-operated valve 122, high pressure hand-operated valve 122 is by two groups of flange 124() be connected in every high pressure branch road 120, more preferably, flange 124 is fixed high pressure hand-operated valve 122 by bolt.In this embodiment, high pressure branch road 120 is by bending, and bending part is provided with butt junction 126, and butt junction 126 can be multiple, and wherein, each butt junction 126 connects a product to be measured.
Referring to Fig. 8, it is an embodiment of the water tank 210 of the utility model detection system 200.In this embodiment, water tank 210 comprises freeing port 212 and cylinder connector 214.In water tank 210, liquid is housed, is generally water, along with the use of leakage detection apparatus, it is muddy that the water in water tank 210 inevitably becomes, and therefore, water tank 210 need to be refreshed the water periodically, and freeing port 212, for the discharge of addle, has facilitated the water process of changing.Due in the time hunting leak program, water tank 210 need approach or away from product to be detected under the promotion of the first actuating unit 220, and the first actuating unit 220 is preferably cylinder, in the present embodiment, on water tank 210, be provided with cylinder connector 214, for connecting cylinder.Preferably, the base of water tank 210 and side are made by the thick zine plate of 2mm, and base and side link together by the mode of welding, and solder joint place polishes flat, to ensure sealing property.
Preferably, leakage detection apparatus also comprises support system 400, and support system 400 is used to whole leakage detection apparatus to provide support.
Participate in Fig. 5 to Fig. 7, longeron 410, crossbeam 430 and feet 420 form basic framework; Brace rod 440, angle bar 450 and cover plate 460 form the supporting mechanism of protection system 300; Square tube 470 is for supporting cover plate 460; Holder 490 is for fixing the first actuating unit 220; Slide rail fixed mount 480 is for fixed rack 482.In an embodiment, the first actuating unit 220, in the interior action of default slide rail 482, then promotes water tank 210 and moves therein.The existence of slide rail 482 has prevented that cylinder from departing from the track of expecting and moving, and has increased the security of whole leakage detection apparatus.
Use above-mentioned leakage detection apparatus, comprise the following steps:
Product to be detected is connected in butt junction 126, and safety valve 111 is communicated with extraneous high-pressure air source;
Electric-control system is switched on power, press start button simultaneously, the first actuating unit 220 moves, and water tank 210 rises to product to be detected (being generally the rapid-acting coupling series products in air-conditioning system) and locates;
After the first Preset Time (being generally 3s), the second actuating unit 320 moves, safety screen 310 cover on water tank 210 directly over, by product housing to be detected therein;
The first pneumatic valve 112 moves, and gases at high pressure enter product to be detected;
Hunt leak, observe in water tank 210 and have or not bubble to emerge, if there is bubble, product to be detected need overhaul or change, if occur without bubble, proves that products air tightness to be detected is good;
After the second Preset Time (being generally 10s), the first pneumatic valve 112 resets, and the second pneumatic valve 113 moves, and carries out exhaust;
After the 3rd Preset Time (being generally 3s), the first actuating unit 220 and the second actuating unit 230 reset, and water tank 210 resets, and safety screen 310 resets, and the second pneumatic valve 113 resets, and is completed.
Leakage detection apparatus of the present utility model, by the high pressure of pipe system analog space adjusting system, utilizes detection system to hunt leak to rapid-acting coupling series products, leak detection result accurate and effective; By electric control system controls detection system, effectively improve leak detection efficiency; Both can detect the leakage causing due to the ring wear of rapid-acting coupling series products, can detect again because of the leakage causing of wearing and tearing of the bent angle of rapid-acting coupling series products, overcome its refrigerant causing on the low side, the hidden danger of quality that air-conditioning effect is not good.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (8)

1. a leakage detection apparatus, is characterized in that, comprises pipe system, detection system and electric-control system;
Described pipe system is used for being communicated with product to be detected and extraneous high-pressure air source, and gases at high pressure transfer passage is provided;
Whether described detection system there is gas leak phenomenon for detection of product to be detected;
Described electric-control system is electrically connected with described detection system, for controlling the action of described detection system;
Described pipe system comprises main pipe rail and some high pressure branch roads;
On described main pipe rail, be provided with safety valve, the first pneumatic valve, the second pneumatic valve; On every described high pressure branch road, be provided with high pressure hand-operated valve and several butt junctions;
Described safety valve is connected with extraneous high-pressure air source, for introducing gases at high pressure;
Described the first pneumatic valve is for being incorporated into some described high pressure branch roads by gases at high pressure;
Described the second pneumatic valve is for discharging the gases at high pressure of described pipe system;
Described high pressure hand-operated valve is for controlling the break-make of every described high pressure branch road and main pipe rail;
Described several butt junctions are connected with product to be detected.
2. leakage detection apparatus according to claim 1, is characterized in that, described high pressure hand-operated valve is connected on described high pressure branch road by two pairs of flanges.
3. leakage detection apparatus according to claim 1, is characterized in that, described pipe system also comprises at least one tensimeter;
Described at least one tensimeter is arranged on the diverse location point of described main pipe rail, changes for the pressure of monitoring described pipe system mesohigh gas.
4. leakage detection apparatus according to claim 1, is characterized in that, described detection system comprises water tank and the first actuating unit;
In described water tank, liquid is housed;
When described leakage detection apparatus starts to hunt leak, product to be detected is immersed in described water tank; When described leakage detection apparatus finishes to hunt leak, product to be detected takes out from described water tank;
Described actuating unit is used for controlling described water tank and moves.
5. leakage detection apparatus according to claim 4, is characterized in that, also comprises protection system;
Described protection system is arranged on a side of described water tank, and is positioned at the top of described water tank, comprises safety screen and the second actuating unit;
In the time that described leakage detection apparatus starts to hunt leak, described safety screen covers on above described water tank under the effect of described the second actuating unit; In the time that described leakage detection apparatus leak detection finishes, described safety screen resets under the effect of described the second actuating unit.
6. according to the leakage detection apparatus described in claim 4 or 5, it is characterized in that, described the first actuating unit and described the second actuating unit are cylinder.
7. leakage detection apparatus according to claim 1, is characterized in that,
On described electric-control system, be provided with power supply the Show Button, operation the Show Button, scram button, start button, stop button and manual/auto button;
After described electric-control system switches on power, press start button, described power supply the Show Button and described operation the Show Button brighten, and described detection system starts action; Press stop button, described power supply the Show Button and described operation the Show Button are dimmed, and described detection system stops action;
In the time breaking down, press scram button, be equivalent to cut off the electricity supply;
Described manual/auto button is for the switching between manually controlling and automatically controlling.
8. leakage detection apparatus according to claim 1, is characterized in that, also comprises support system, is used to described leakage detection apparatus to provide support.
CN201320863961.6U 2013-12-25 2013-12-25 Leak detection device Active CN203908737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320863961.6U CN203908737U (en) 2013-12-25 2013-12-25 Leak detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320863961.6U CN203908737U (en) 2013-12-25 2013-12-25 Leak detection device

Publications (1)

Publication Number Publication Date
CN203908737U true CN203908737U (en) 2014-10-29

Family

ID=51783000

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320863961.6U Active CN203908737U (en) 2013-12-25 2013-12-25 Leak detection device

Country Status (1)

Country Link
CN (1) CN203908737U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104748919A (en) * 2013-12-25 2015-07-01 格力电器(武汉)有限公司 Leak detection device and leak detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104748919A (en) * 2013-12-25 2015-07-01 格力电器(武汉)有限公司 Leak detection device and leak detection method

Similar Documents

Publication Publication Date Title
CN104748919A (en) Leak detection device and leak detection method
CN102589823B (en) Airtightness test and nitrogen replacement device used for high-pressure air cylinder
CN204422142U (en) A kind of robotization air-tightness detection tool of inlet manifold
CN104611491A (en) Positioning device and method for leakage detection of blast furnace cooling wall
CN102081005A (en) Leak detection equipment
CN108036903A (en) A kind of carbon slipper air-tightness detection device and its application method
CN201173843Y (en) Automatic control multifunctional pressure test station
CN103808472A (en) Automatic diving leakage testing machine for water pump semi-finished product
CN103471780A (en) System and method for detecting welding seam of end cover of sealed container
CN202836892U (en) Pipe airtightness detecting device
CN203908737U (en) Leak detection device
CN102519680B (en) Quality detection method of butt joint weld on ship steel plate
CN2854564Y (en) Pressure testing device for vehicle air intake pipe
CN201867339U (en) General testing device for big valve
CN203396556U (en) Semi-automatic multi-pipe product leakage detection device
CN103162915B (en) High speed train window water tightness experimental test system
CN205002928U (en) Car intake pipe gas tightness check out test set
CN208295529U (en) Three line list rifles of one kind add hydrogen machine
CN103837310B (en) One prevents from surveying device and using method thereof by mistake
CN205300876U (en) Diaphragm valve detection device
CN102466593A (en) Hydraulic pressure test device and method for explosion-proof part
CN204165714U (en) Automobile steering device housing leak tester
CN201765098U (en) Numerical control pressure test device of inner container of solar thermal-insulation barrel
CN103644110A (en) Integrated detection system of performance of gas-liquid booster pump
CN209945612U (en) Three-station vacuum pressure sensor sealing test bench

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant