CN204988657U - Heat -exchanger leak detection apparatus - Google Patents
Heat -exchanger leak detection apparatus Download PDFInfo
- Publication number
- CN204988657U CN204988657U CN201520588019.2U CN201520588019U CN204988657U CN 204988657 U CN204988657 U CN 204988657U CN 201520588019 U CN201520588019 U CN 201520588019U CN 204988657 U CN204988657 U CN 204988657U
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- Prior art keywords
- heat exchanger
- leak detection
- helium
- branch road
- pressure helium
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Abstract
The utility model discloses a heat -exchanger leak detection apparatus includes vacuum pump, high -pressure helium source and connection vacuum pump, high -pressure helium source and awaits measuring the pipe -line system of heat exchanger. Pipe -line system is used for controlling the vacuum pump and will awaits measuring after the heat exchanger evacuation the high -pressure helium source of control and fill go into to await measuring heat exchanger high pressure helium and pressurize and whether have big hourglass with the detection heat exchanger. This embodiment's heat -exchanger leak detection apparatus uses high -pressure helium to detect big the hourglass, so, the heat exchanger that awaits measuring after the detection is leaked greatly can directly get into the vacuum chamber and carry out helium mass spectrometric detection microleakage to the process has been reduced. On the other hand owing to use high -pressure helium to detect big hourglass and detect microleakage, realizes reuse, compares in current heat -exchanger leak detection apparatus, can save and use highly -compressed air to reduce cost. Have again, owing to adopt high -pressure helium to examine microleakage, examine microleakage for passing adoption low pressure helium and improved the recall rate.
Description
Technical field
The utility model relates to air conditioner, particularly a kind of heat exchanger leak detection device.
Background technology
Carry out pressurize after the general first heat exchanger of existing heat exchanger leak detection device is filled with pressure-air and whether there is large leakage to detect heat interchanger.If there is not large leakage, be then filled with helium after being vacuumized by heat interchanger and enter vacuum tank and carry out helium Mass Spectrometer Method and whether there is micro-leakage.So, complex procedures, and also pressure-air is single use gas, causes waste.
Utility model content
The utility model is intended at least to solve one of technical matters existed in prior art.For this reason, the utility model needs to provide a kind of heat exchanger leak detection device.
Heat exchanger leak detection device of the present utility model comprises:
Vacuum pump;
High pressure helium source of the gas; And
Connect the pipe system of described vacuum pump, described high pressure helium source of the gas and heat interchanger to be measured;
Described heat interchanger to be measured to be vacuumized rear control described high pressure helium source of the gas be filled with described heat exchanger high-voltage helium to be measured and whether pressurize exists large leakage to detect described heat interchanger for controlling described vacuum pump by described pipe system.
In some embodiments, described pipe system comprises pipeline, the workpiece branch road that described pipeline comprises main line, connects the branch road of finding time of described vacuum pump and described main line, connects the helium branch road of described high pressure helium source of the gas and described main line, connects described heat interchanger to be measured and described main line.
In some embodiments, described number of heat exchangers to be measured is multiple, and described workpiece branch road comprises the main branch road be connected with described main line and the secondary branch road connecting described main branch road and multiple described heat interchanger to be measured respectively.
In some embodiments, described pipe system comprise be arranged at described in find time the valve and be arranged at the helium valves of described helium branch road of finding time of branch road.
In some embodiments, find time described in described pipe system is used for first opening valve, close described helium valves to vacuumize described heat interchanger to be measured, valve of finding time described in then closing, open described helium valves to be filled with high-pressure helium to the heat interchanger described to be measured after vacuumizing.
In some embodiments, described pipe system comprises the service valve being arranged on described branch road.
In some embodiments, described pipe system is for controlling connection and the disconnection of described service valve.
In some embodiments, described pipe system also comprises the main valve be arranged on main line.
In some embodiments, described pipe system is for controlling connection and the disconnection of described main valve.
The heat exchanger leak detection device of present embodiment uses high-pressure helium detection to leak greatly, and so, the rear heat interchanger to be measured of the large leakage of detection directly can enter vacuum tank and carry out the micro-leakage of helium Mass Spectrometer Method, thus decreases operation.On the other hand, detect owing to using high-pressure helium and leak greatly and detect micro-leakage, realize recycling, compared to existing heat exchanger leak detection device, use pressure-air can be saved, thus reduce costs.Further, owing to adopting high-pressure helium to examine micro-leakage, examine micro-leakage relative to passing employing low pressure helium and improve recall rate.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the heat exchanger leak detection device of the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection or can communication mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1, the heat interchanger of the utility model embodiment device 100 of stopping leakage in the roof comprises vacuum pump 10, high pressure helium source of the gas 20 and pipe system 30.Pipe system 30 connects vacuum pump 10, high pressure helium source of the gas 20 and heat interchanger to be measured 200.Heat interchanger 200 to be measured to be vacuumized rear control high pressure helium source of the gas 20 be filled with heat interchanger 200 high-pressure helium to be measured and whether pressurize exists large leakage to detect heat interchanger 200 for controlling vacuum pump 10 by pipe system 30.
The heat interchanger of present embodiment device 100 of stopping leakage in the roof uses high-pressure helium to detect large leakage, and so, after detecting large leakage, heat interchanger 200 to be measured directly can enter vacuum tank (not shown) and carries out the micro-leakage of helium Mass Spectrometer Method, thus decreases operation.On the other hand, detect owing to using high-pressure helium and leak greatly and detect micro-leakage, realize recycling, to stop leakage in the roof device compared to existing heat interchanger, use pressure-air can be saved, thus reduce costs.Further, owing to adopting high-pressure helium to examine micro-leakage, examine micro-leakage relative to passing employing low pressure helium and improve recall rate.
In some embodiments, pipe system 30 comprises pipeline, and pipeline comprises main line 31, connects the branch road 32 of finding time of vacuum pump 10 and main line 31, connects the helium branch road 33 of high pressure helium source of the gas 20 and main line 31, connects the workpiece branch road 34 of heat interchanger 200 to be measured and main line 31.
Pipeline structure so is simple, can reduce workpiece, convenient connection.Certainly, pipeline is not limited to present embodiment, in other embodiments, other suitable pipeline also can be adopted to connect vacuum pump 10, high pressure helium source of the gas 20 and heat interchanger to be measured 200.
In some embodiments, heat interchanger 200 number to be measured is multiple, and workpiece branch road 34 comprises the main branch road 341 be connected with main line 31 and the secondary branch road 342 connecting main branch road 341 and multiple heat interchanger to be measured 200 respectively.
So, can detect multiple heat interchanger 200 to be measured, in addition, workpiece branch road 34 structure is simple simultaneously, can reduce workpiece, convenient connection.Certainly, workpiece branch road 34 is not limited to present embodiment, in other embodiments, other suitable workpiece branch road 34 also can be adopted to connect main line 31 and and heat interchanger to be measured 200.
In some embodiments, pipe system 30 comprises the valve 35 and be arranged at the helium valves 36 of helium branch road 33 of finding time being arranged at branch road 32 of finding time.
So, during detection, first can open valve 35 of finding time, close helium valves 36 heat interchanger 200 to be measured is vacuumized, then close valve 35 of finding time, open helium valves 36 high-pressure helium is filled with to the heat interchanger to be measured 200 after vacuumizing, thus can realize easily detecting.
In other embodiments, find time valve 35 and helium valves 36 also can not be set, use when vacuum pump 10 and high pressure helium source of the gas 20 at needs and carry out access pipe system 30.
In some embodiments, pipe system 30 for first opening valve 35 of finding time, close helium valves 36 heat interchanger 200 to be measured vacuumized, then close valve 35 of finding time, open helium valves 36 high-pressure helium is filled with to the heat interchanger to be measured 200 after vacuumizing.
In other words, pipe system 30 can realize automatic control.Certainly, in other embodiments, also can manually realize by control piping system 30.
Pipe system 30 comprises the service valve 37 being arranged on time branch road 342.
So, by open and close service valve 37 control heat interchanger 200 to be measured accept vacuumize or be filled with high-pressure helium.In addition, optionally can also open some work valve 37 according to demand and access corresponding heat interchanger to be measured 200 and optionally closed portion service valve 37 thus disconnect corresponding heat interchanger to be measured 200.
In other embodiments, also service valve 37 can not be set, and when needs access heat interchanger 200 to be measured, heat interchanger 200 to be measured be connected with pipe system 30.
In some embodiments, pipe system 30 for open and close service valve 37 control heat interchanger 200 to be measured accept vacuumize or be filled with high-pressure helium.In addition, optionally can also open some work valve 37 according to demand and access corresponding heat interchanger to be measured 200 and optionally closed portion service valve 37 thus disconnect corresponding heat interchanger to be measured 200.
In other words, pipe system 30 can realize automatic control.Certainly, in other embodiments, also can manually realize by control piping system 30.
Individual in some embodiments, pipe system 30 also comprises the main valve 38 be arranged on main line 31.
So, control main line 31 connection by opening and close main valve 38 and disconnect.
Pipe system 30 is for controlling opening and disconnection of main valve 38.
In other words, pipe system 30 can realize automatic control.Certainly, in other embodiments, also can manually realize by control piping system 30.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (9)
1. a heat exchanger leak detection device, is characterized in that, comprising:
Vacuum pump;
High pressure helium source of the gas; And
Connect the pipe system of described vacuum pump, described high pressure helium source of the gas and heat interchanger to be measured;
Described heat interchanger to be measured to be vacuumized rear control described high pressure helium source of the gas be filled with described heat exchanger high-voltage helium to be measured and whether pressurize exists large leakage to detect described heat interchanger for controlling described vacuum pump by described pipe system.
2. heat exchanger leak detection device as claimed in claim 1, it is characterized in that, described pipe system comprises pipeline, the workpiece branch road that described pipeline comprises main line, connects the branch road of finding time of described vacuum pump and described main line, connects the helium branch road of described high pressure helium source of the gas and described main line, connects described heat interchanger to be measured and described main line.
3. heat exchanger leak detection device as claimed in claim 2, it is characterized in that, described number of heat exchangers to be measured is multiple, and described workpiece branch road comprises the main branch road be connected with described main line and the secondary branch road connecting described main branch road and multiple described heat interchanger to be measured respectively.
4. heat exchanger leak detection device as claimed in claim 3, is characterized in that, described pipe system comprise be arranged at described in find time the valve and be arranged at the helium valves of described helium branch road of finding time of branch road.
5. heat exchanger leak detection device as claimed in claim 4, it is characterized in that, find time described in described pipe system is used for first opening valve, close described helium valves to vacuumize described heat interchanger to be measured, valve of finding time described in then closing, open described helium valves to be filled with high-pressure helium to the heat interchanger described to be measured after vacuumizing.
6. heat exchanger leak detection device as claimed in claim 4, it is characterized in that, described pipe system comprises the service valve being arranged on described branch road.
7. heat exchanger leak detection device as claimed in claim 6, it is characterized in that, described pipe system is for controlling connection and the disconnection of described service valve.
8. heat exchanger leak detection device as claimed in claim 6, it is characterized in that, described pipe system also comprises the main valve be arranged on main line.
9. heat exchanger leak detection device as claimed in claim 8, it is characterized in that, described pipe system is for controlling connection and the disconnection of described main valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588019.2U CN204988657U (en) | 2015-08-06 | 2015-08-06 | Heat -exchanger leak detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588019.2U CN204988657U (en) | 2015-08-06 | 2015-08-06 | Heat -exchanger leak detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988657U true CN204988657U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588019.2U Expired - Fee Related CN204988657U (en) | 2015-08-06 | 2015-08-06 | Heat -exchanger leak detection apparatus |
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| CN (1) | CN204988657U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167286A (en) * | 2017-06-19 | 2017-09-15 | 合肥太通制冷科技有限公司 | A kind of refrigerator heat exchanger helium inspection technique |
| CN107340104A (en) * | 2017-06-28 | 2017-11-10 | 大连尼维斯冷暖技术有限公司 | Finned heat exchanger high pressure leak test plant |
| CN107621341A (en) * | 2017-08-22 | 2018-01-23 | 浙江优模新材料科技有限公司 | A kind of method for detecting automobile batteries radiator items seal |
| CN112556921A (en) * | 2020-11-09 | 2021-03-26 | 季华实验室 | Vacuum detection device for multi-joint and vacuum detection method for film gauge |
| CN114323504A (en) * | 2022-01-13 | 2022-04-12 | 南通华信中央空调有限公司 | Pressure maintaining method and system for water detection of heat exchanger |
| CN114878111A (en) * | 2022-05-05 | 2022-08-09 | 珠海格力电器股份有限公司 | Leakage detection method and device for air conditioner heat exchanger |
| CN116818225A (en) * | 2023-08-30 | 2023-09-29 | 新乡市龙翔精密铜管有限公司 | Heat transfer tube detection device and method |
-
2015
- 2015-08-06 CN CN201520588019.2U patent/CN204988657U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167286A (en) * | 2017-06-19 | 2017-09-15 | 合肥太通制冷科技有限公司 | A kind of refrigerator heat exchanger helium inspection technique |
| CN107340104A (en) * | 2017-06-28 | 2017-11-10 | 大连尼维斯冷暖技术有限公司 | Finned heat exchanger high pressure leak test plant |
| CN107340104B (en) * | 2017-06-28 | 2023-09-08 | 大连尼维斯冷暖技术有限公司 | High-pressure leakage detection equipment for fin type heat exchanger |
| CN107621341A (en) * | 2017-08-22 | 2018-01-23 | 浙江优模新材料科技有限公司 | A kind of method for detecting automobile batteries radiator items seal |
| CN112556921A (en) * | 2020-11-09 | 2021-03-26 | 季华实验室 | Vacuum detection device for multi-joint and vacuum detection method for film gauge |
| CN114323504A (en) * | 2022-01-13 | 2022-04-12 | 南通华信中央空调有限公司 | Pressure maintaining method and system for water detection of heat exchanger |
| CN114878111A (en) * | 2022-05-05 | 2022-08-09 | 珠海格力电器股份有限公司 | Leakage detection method and device for air conditioner heat exchanger |
| CN114878111B (en) * | 2022-05-05 | 2023-08-18 | 珠海格力电器股份有限公司 | Leakage detecting method and leakage detecting device for air conditioner heat exchanger |
| CN116818225A (en) * | 2023-08-30 | 2023-09-29 | 新乡市龙翔精密铜管有限公司 | Heat transfer tube detection device and method |
| CN116818225B (en) * | 2023-08-30 | 2024-02-27 | 新乡市龙翔精密铜管有限公司 | Heat transfer tube detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210806 |