CN216012647U - Leakage detection system for heat pump condenser - Google Patents
Leakage detection system for heat pump condenser Download PDFInfo
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- CN216012647U CN216012647U CN202121822017.7U CN202121822017U CN216012647U CN 216012647 U CN216012647 U CN 216012647U CN 202121822017 U CN202121822017 U CN 202121822017U CN 216012647 U CN216012647 U CN 216012647U
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- 238000001514 detection method Methods 0.000 title claims abstract description 62
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 16
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model discloses a leak detection system used on a heat pump condenser, which comprises a detection control cabinet, a nitrogen storage bottle and an industrial touch panel computer controller, wherein a pipeline control unit is arranged in the detection control cabinet and comprises a main control pipeline, more than one output control pipeline, an air extractor and a data printer, the main control pipeline comprises a flow detection meter, a main pressure detector, a main filter valve and a main electric valve which are sequentially connected, each output control pipeline comprises a first electric valve, an auxiliary pressure detector, an auxiliary high-pressure nitrogen safety valve, an auxiliary filter valve and an auxiliary one-way valve which are sequentially connected, an exhaust pipeline is connected between the first electric valve and the auxiliary pressure detector of each pipeline and comprises second electric valves, the other ends of all the second electric valves are connected with the input end of the air extractor after being connected in parallel, the output of the air extractor is used as an exhaust port, the air exhaust device is electrically connected with the industrial touch panel computer controller. The structure is simple to operate and is safer.
Description
Technical Field
The utility model relates to the technical field of condenser detection equipment, in particular to a leakage detection system for a heat pump condenser.
Background
With the further implementation of national energy-saving and emission-reducing policies, particularly the yield limit of traditional coal-fired boilers, water source heat pumps are widely popularized in the market, condensers are used as core components of the water source heat pumps, the heat exchange performance and reliability of the water source heat pumps are directly affected, and how to develop efficient and reliable condensers is an important subject of various production enterprises.
In the process of developing a condenser, the leakage detection of the condenser is also one of the extremely important links, but the existing leakage detection equipment has the defects of complex structure, low test rate and low detection precision, so the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a leak detection system for a heat pump condenser, which aims to solve the problems of complex structure, low detection rate and low detection precision in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a leak hunting system for on heat pump condenser, is including detecting switch board and nitrogen gas holding vessel, industry touch panel computer control ware, has the seat of honour through first pivot is articulated on detecting the switch board, is provided with in the seat of honour industry touch panel computer control ware, be provided with the pipeline control unit who is connected with the output of nitrogen gas holding vessel in detecting the switch board, pipeline control unit still is connected with industry touch panel computer control ware electricity, pipeline control unit includes main control pipeline, more than one output control pipeline, an air exhaust device and data printer, main control pipeline including the flow detection table, main pressure detector, main filter valve and the main electric valve that connect gradually, each circuit output control pipeline including the first motorised valve that connects gradually, assist pressure detector, assist high-pressure nitrogen gas relief valve, The auxiliary filter valve and the auxiliary one-way valve are connected, an exhaust pipeline is connected between the first electric valve and the auxiliary pressure detector of each circuit, the exhaust pipeline comprises second electric valves, the other ends of all the second electric valves are connected in parallel and then are connected with the input end of the air exhaust device, the output of the air exhaust device is used as an exhaust port, the air exhaust device is electrically connected with the industrial touch control panel computer controller, the output of the data printer is arranged at the front end of the detection control cabinet, the data printer is electrically connected with the industrial touch control panel computer controller, and an output interface on the output control pipeline is provided with a side edge of the detection control cabinet.
Preferably, in order to electrically connect a bar code recognizer on the industrial touch control panel computer controller, the bar code recognizer is arranged on the upper surface of the detection control cabinet.
Preferably, a silica gel pad which is abutted against the upper surface of the detection control cabinet is arranged on the upper seat relative to the periphery of the display screen of the industrial touch control panel computer controller.
Preferably, an installation bin for installing the nitrogen storage bottle is arranged on the side edge of the detection control cabinet, the opening of the installation bin is flush with the side wall of the detection control cabinet, a sealing cover is hinged to the opening of the installation bin, a handle is arranged on the sealing cover, an explosion-proof isolation layer is arranged on the inner wall of the installation bin, and a gas input interface connected with the bottle opening of the nitrogen storage bottle is further arranged on the side edge of the installation bin.
Preferably, a pulley is arranged at the bottom of the detection control cabinet for convenient movement.
Compared with the prior art, the device improves the performance and the precision because the device uses 3.5MPa high-pressure nitrogen as detection gas, the high-pressure nitrogen is injected into the heat exchanger through a pipeline, the workpiece is filled with the high-pressure nitrogen after the pressure is stabilized for a set time, then the valve is closed through the valve, the heat exchanger forms a closed system, after the pressure is stabilized, the pressure drop curve is tested through the pressure sensor, and whether the heat exchanger leaks or not is automatically judged through the data processing and comparison of a computer. After the device test is completed, the exhaust valve is opened again to exhaust the high pressure in the heat exchanger. After the input and output pipe is manually connected in the testing process, the device can automatically complete process control and judgment. The system has two independent test systems (can be expanded to 4), and the test rate of the production line is greatly improved. The system adopts an industrial touch panel computer as a central processing unit to automatically complete various automatic control and test judgment processes, thereby having the following technical effects:
1. the controller of the structure adopts an industrial touch panel computer, so that the operation capacity of the computer is greatly improved, 200 groups of test data and standard judgment data can be stored, and the reaction speed is greatly improved;
2. because the AD conversion module in the industrial touch panel computer is upgraded with the 16-bit AD conversion module, the precision is greatly improved;
3. a high-pressure nitrogen safety valve is introduced to prevent the problem of overhigh pressure caused by the operation error of a nitrogen cylinder;
4. a filter valve is introduced, so that the problem that copper powder impurities in a heat exchanger are brought into an equipment system in the exhaust process to block an electromagnetic valve in the actual use process is solved;
5. a check valve is introduced, so that the problem of gas leakage possibly caused by simultaneous operation of A, B in the actual use process is solved;
6. the integrated case is introduced, the electric control cabinet and the pipeline system are integrated, the structure is compact and practical, and the grade of the whole equipment is improved; simple structure and convenient operation.
Drawings
FIG. 1 is a schematic diagram of a detection control cabinet in a leak detection system used for a heat pump condenser in example 1;
fig. 2 is a schematic diagram of a specific connection structure of two output control pipelines in the leak detection system used in the heat pump condenser in embodiment 1;
FIG. 3 is a schematic gas flow diagram of a leak detection system used in a condenser of a heat pump in example 1;
FIG. 4 is a schematic view of a detection control cabinet in the leak detection system used for the condenser of the heat pump in example 2;
FIG. 5 is a schematic view of a detection control cabinet in the leak detection system used for the condenser of the heat pump in example 3;
FIG. 6 is a schematic view of the internal structure of the inspection control cabinet in embodiment 4;
FIG. 7 is a schematic view of a detection control cabinet in the leak detection system used in the condenser of the heat pump in example 4;
fig. 8 is a schematic diagram of a detection control cabinet in the leak detection system used for the condenser of the heat pump in example 5.
In the figure: the device comprises a detection control cabinet 1, a nitrogen storage bottle 2, an industrial touch panel computer controller 3, a first rotating shaft 4, an upper seat 5, a pipeline control unit 6, a main control pipeline 8, an output control pipeline 7, an air extractor 9, a data printer 10, a flow detection meter 11, a main pressure detector 12, a main filter valve 13, a main electric valve 14, a first electric valve 15, an auxiliary pressure detector 16, an auxiliary high-pressure nitrogen safety valve 17, an auxiliary filter valve 18, an auxiliary one-way valve 19, an exhaust pipeline 20, a second electric valve 21, an exhaust port 22, an output interface 7-1, a bar code identifier 23, a silica gel pad 24, an installation bin 25, a sealing cover 26, an explosion-proof isolation layer 27, a gas input interface 28, a pulley 29 and a handle 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, an embodiment of the present invention is shown: a leak detection system used on a heat pump condenser comprises a detection control cabinet 1, a nitrogen storage bottle 2 and an industrial touch panel computer controller 3, wherein 3.5MPa high-pressure nitrogen is arranged in the nitrogen storage bottle 2, an upper seat 5 is hinged on the detection control cabinet 1 through a first rotating shaft 4, the industrial touch panel computer controller 3 is arranged in the upper seat 5, a pipeline control unit 6 connected with the output end of the nitrogen storage bottle 2 is arranged in the detection control cabinet 1, the pipeline control unit 6 is also electrically connected with the industrial touch panel computer controller 3, the pipeline control unit 6 comprises a main control pipeline 8, more than one output control pipeline 7, an air extractor 9 and a data printer 10, the main control pipeline 8 comprises a flow detection meter 11, a main pressure detector 12, a main filter valve 13 and a main electric valve 14 which are sequentially connected, each output control pipeline 7 comprises a first electric valve 15, an auxiliary pressure detector 16, an auxiliary high-pressure nitrogen safety valve 17, an auxiliary filter valve 18 and an auxiliary one-way valve 19 which are connected in sequence, an exhaust pipeline 20 is connected between the first electric valve 15 and the auxiliary pressure detector 16 of each pipeline, the exhaust pipeline 20 comprises second electric valves 21, the other ends of the second electric valves 21 are connected in parallel and then are connected with the input end of the air extraction device 9, the output of the air extraction device 9 is used as an exhaust port 22, the air extraction device 9 is electrically connected with the industrial touch panel computer controller 3, the output of the data printer 10 is arranged at the front end of the detection control cabinet 1, the data printer 10 is electrically connected with the industrial touch panel computer controller 3, and the output interface 7-1 on the output control pipeline 7 is provided with the side edge of the detection control cabinet 1.
During operation, switch on the device power earlier, switch on high-pressure nitrogen gas source, the connection in this embodiment adopts coupling hose, connect heat exchanger input/output interface, set for pressurization time, pressurization pressure, steady voltage time, dwell time, leakage parameter etc. on industry touch-control panel computer controller 3, use hose connection to be tested air conditioner or heat exchanger, start test switch, the system accomplishes processes such as pressurization, steady voltage, the dwell, leak hunting, the test result later stage passes through the suggestion of three-colour alarm lamp, after the test is qualified, the system accomplishes the pressure release automatically, dismantle coupling hose, get into the promotion of next test going on performance and precision.
The device uses 3.5MPa high-pressure nitrogen as detection gas, the detection gas is injected into a heat exchanger through a pipeline, the high-pressure nitrogen is filled in a workpiece after the pressure is stabilized for a set time, then the heat exchanger forms a closed system through closing a valve by a valve, a pressure sensor is used for testing a pressure reduction curve after the pressure is stabilized, and whether the heat exchanger leaks or not is automatically judged through computer data processing and comparison. After the device test is completed, the exhaust valve, i.e. the air extraction device 9, is opened again to exhaust the high pressure in the heat exchanger. After the input and output pipe is manually connected in the testing process, the device can automatically complete process control and judgment. The system has two independent test systems (can be expanded to 4), and the test rate of the production line is greatly improved. The system adopts an industrial touch panel computer as a central processing unit to automatically complete various automatic control and test judgment processes. The structure has the following technical effects:
1. the controller of the structure adopts an industrial touch panel computer, so that the operation capacity of the computer is greatly improved, 200 groups of test data and standard judgment data can be stored, and the reaction speed is greatly improved;
2. because the AD conversion module in the industrial touch panel computer is upgraded with the 16-bit AD conversion module, the precision is greatly improved;
3. a high-pressure nitrogen safety valve is introduced to prevent the problem of overhigh pressure caused by the operation error of a nitrogen cylinder;
4. a filter valve is introduced, so that the problem that copper powder impurities in a heat exchanger are brought into an equipment system in the exhaust process to block an electromagnetic valve in the actual use process is solved;
5. a check valve is introduced, so that the problem of gas leakage possibly caused by simultaneous operation of A, B in the actual use process is solved;
6. the integrated case is introduced, the electric control cabinet and the pipeline system are integrated, the structure is compact and practical, and the grade of the whole equipment is improved; simple structure and convenient operation.
Example 2:
referring to fig. 4, an embodiment of the present invention: a leakage detection system for a heat pump condenser is preferably characterized in that a bar code recognizer 23 is electrically connected to an industrial touch control panel computer controller 3, the bar code recognizer 23 is arranged on the upper surface of a detection control cabinet 1, entry of a selectable bar code is arranged through the structure, and various parameters of a product in a computer are automatically called according to the bar code. And the system can be connected with an upper computer, an MES computer and the like, so that the whole operation is more convenient and automatic.
Example 3:
referring to fig. 5, an embodiment of the present invention: a leakage detection system for a heat pump condenser is characterized in that a silica gel pad 24 which is abutted against the upper surface of a detection control cabinet 1 is preferably arranged on an upper seat 5 relative to the periphery of a display screen of an industrial touch control panel computer controller 3.
Example 4:
referring to fig. 6-7, an embodiment of the present invention: the utility model provides a leak hunting system for on heat pump condenser, as preferred, is provided with the installation storehouse 25 that is used for installing nitrogen gas storage bottle 2 at the side that detects switch board 1, the opening of installation storehouse 25 flushes with the lateral wall that detects switch board 1, and it has sealed lid 26 to articulate at the opening part of installation storehouse 25, is provided with handle 30 on sealed lid 26, is provided with explosion-proof isolation layer 27 at installation storehouse 25 inner wall, still is provided with the gas input interface 28 of being connected with the bottleneck of nitrogen gas storage bottle 2 at installation storehouse 25 side, sets up through above-mentioned structure and realizes letting whole equipment compacter, conveniently installs fixedly to nitrogen gas storage bottle 2.
Example 5:
referring to fig. 8, an embodiment of the present invention: a leak detection system for a heat pump condenser is provided, preferably, with a pulley 29 at the bottom of a detection control cabinet 1 for easy movement.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a leak hunting system for on heat pump condenser, is including detecting switch board (1) and nitrogen gas storage bottle (2), industry touch-control panel computer control ware (3), be provided with 3.5 MPa's high-pressure nitrogen gas in nitrogen gas storage bottle (2), its characterized in that: articulated through first pivot (4) on detecting switch board (1) have upper seat (5), be provided with in upper seat (5) industry touch-control panel computer control ware (3), be provided with pipeline control unit (6) of being connected with the output of nitrogen gas storage bottle (2) in detecting switch board (1), pipeline control unit (6) still are connected with industry touch-control panel computer control ware (3) electricity, pipeline control unit (6) include main control pipeline (8), more than one output control pipeline (7), an air exhaust device (9) and data printer (10), main control pipeline (8) including the flow detection table (11), main pressure detector (12), main filter valve (13) and main electric valve (14) that connect gradually, each circuit output control pipeline (7) including the first motorised valve (15) that connect gradually, An auxiliary pressure detector (16), an auxiliary high-pressure nitrogen safety valve (17), an auxiliary filter valve (18) and an auxiliary one-way valve (19), an exhaust pipeline (20) is connected between the first electric valve (15) and the auxiliary pressure detector (16) of each pipeline, the exhaust pipeline (20) comprises second electric valves (21), the other ends of the second electric valves (21) are connected in parallel and then are connected with the input end of the air extraction device (9), the output of the air extracting device (9) is used as an air outlet (22), the air extracting device (9) is electrically connected with the industrial touch control panel computer controller (3), the output of the data printer (10) is arranged at the front end of the detection control cabinet (1), the data printer (10) is electrically connected with the industrial touch control panel computer controller (3), and the output interfaces (7-1) on the output control pipelines (7) are provided with side edges of the detection control cabinet (1).
2. A leak detection system for use on a heat pump condenser, as defined in claim 1, wherein: the industrial touch control panel computer controller (3) is also electrically connected with a bar code recognizer (23), and the bar code recognizer (23) is arranged on the upper surface of the detection control cabinet (1).
3. A leak detection system for use on a heat pump condenser, as defined in claim 1, wherein: and a silica gel pad (24) which is abutted against the upper surface of the detection control cabinet (1) is arranged on the upper seat (5) and around the display screen relative to the industrial touch control panel computer controller (3).
4. A leak detection system for use on a heat pump condenser, as defined in claim 1, wherein: be provided with installation storehouse (25) that are used for installing nitrogen gas storage bottle (2) at the side that detects switch board (1), the opening of installation storehouse (25) flushes with the lateral wall that detects switch board (1), and it has sealed lid (26) to articulate at the opening part of installation storehouse (25), is provided with handle (30) on sealed lid (26), is provided with explosion-proof isolation layer (27) at installation storehouse (25) inner wall, still is provided with gas input interface (28) of being connected with the bottleneck of nitrogen gas storage bottle (2) at installation storehouse (25) side.
5. A leak detection system for use on a heat pump condenser, as defined in claim 1, wherein: a pulley (29) is arranged at the bottom of the detection control cabinet (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822017.7U CN216012647U (en) | 2021-08-06 | 2021-08-06 | Leakage detection system for heat pump condenser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822017.7U CN216012647U (en) | 2021-08-06 | 2021-08-06 | Leakage detection system for heat pump condenser |
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| CN216012647U true CN216012647U (en) | 2022-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119006009A (en) * | 2024-08-06 | 2024-11-22 | 广州万居隆科技有限公司 | Automatic heat pump commodity inspection system |
-
2021
- 2021-08-06 CN CN202121822017.7U patent/CN216012647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119006009A (en) * | 2024-08-06 | 2024-11-22 | 广州万居隆科技有限公司 | Automatic heat pump commodity inspection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A leak detection system for heat pump condenser Effective date of registration: 20230217 Granted publication date: 20220311 Pledgee: Foshan Shunde Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: FOSHAN EAST WILLOW AUTOMATION TECHNOLOGY Co.,Ltd. Registration number: Y2023980032879 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |