CN118329238A - Heat exchange quantity testing device and method for heat exchanger - Google Patents
Heat exchange quantity testing device and method for heat exchanger Download PDFInfo
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- CN118329238A CN118329238A CN202410302227.5A CN202410302227A CN118329238A CN 118329238 A CN118329238 A CN 118329238A CN 202410302227 A CN202410302227 A CN 202410302227A CN 118329238 A CN118329238 A CN 118329238A
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title description 12
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 13
- 238000010998 test method Methods 0.000 description 9
- 238000007664 blowing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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Abstract
The application provides a heat exchange quantity testing device and a heat exchange quantity testing method for a heat exchanger, which are characterized by comprising the following steps: the shell and the tested heat exchanger. The shell, inside formation holds the chamber, and air intake and air outlet have been seted up to the shell, and air intake and air outlet are used for forming the wind path that circulates at holding the chamber. The measured heat exchanger is connected with an external pipeline, the external pipeline is used for leading in and out of the heat exchange medium from the measured heat exchanger, the measured heat exchanger is movably arranged in the accommodating cavity, the placing angle of the measured heat exchanger is adjustable, and an air path formed between the air inlet and the air outlet penetrates through the measured heat exchanger. The heat exchange amount testing device for the heat exchanger can enable the measured heat exchange amount to be closer to the actual heat exchange amount, and can guide the placement of the heat exchanger in actual production.
Description
Technical Field
The application relates to the field of household appliances, in particular to a heat exchange amount measuring device and method for a heat exchanger.
Background
At present, the traditional equipment is used for testing the heat exchange quantity of the condenser, only a single condenser can be tested, and the actual scene of the condenser in the working process of the condenser cannot be comprehensively considered, so that the measured data and the actual situation have a gap.
Disclosure of Invention
The application provides a heat exchange amount testing device and method for a heat exchanger, which enable the measured heat exchange amount to be closer to the actual heat exchange amount and can guide the placement of the heat exchanger in actual production.
Specifically, the application is realized by the following technical scheme:
in one aspect of the present application, there is provided a heat exchanger heat exchange amount measuring device including:
the shell is internally provided with an accommodating cavity, and an air inlet and an air outlet are formed in the shell and are used for forming an air path circulating in the accommodating cavity;
The heat exchanger to be tested is connected with an external pipeline, the external pipeline is used for leading in and out a heat exchange medium from the heat exchanger to be tested, the heat exchanger to be tested is movably arranged in the accommodating cavity, the placing angle of the heat exchanger to be tested is adjustable, and an air path formed between the air inlet and the air outlet penetrates through the heat exchanger to be tested.
Optionally, the test device further includes: the compressor model is arranged in the accommodating cavity and is positioned on a wind path formed between the air inlet and the air outlet, the volume of the compressor model is adjustable, and the position of the compressor model relative to the tested heat exchanger is adjustable.
Optionally, the compressor model includes a temperature control module for adjusting a temperature of the compressor model.
Optionally, the test device further includes: the air quantity detector is arranged in the accommodating cavity, is positioned on an air path formed between the air inlet and the air outlet and is used for detecting the air quantity at the position, and the relative position of the air quantity detector and the tested heat exchanger is adjustable.
Optionally, the testing device further includes a plurality of heat dissipation holes, and a plurality of the heat dissipation holes are adjustably formed in the housing and are communicated with the accommodating cavity and an external space of the housing.
In another aspect of the present application, a method for testing a heat exchange amount of a heat exchanger is provided, where the method includes:
controlling the detected heat exchanger to move to a preset placement angle;
And obtaining the heat exchange quantity difference value of the heat exchange medium which is introduced or discharged by the tested heat exchanger through the external pipeline.
Optionally, the test method further includes:
controlling the volume of the compressor model to be the preset volume of the compressor;
And adjusting the compressor model to move to a preset position of the compressor.
Optionally, the test method further includes:
the air inlet and the air outlet are formed in preset positions of the shell; and/or
And controlling the opening and closing of the air inlet and the air outlet, and adjusting the trend of the air passage in the accommodating cavity.
Optionally, the test method further includes:
Controlling the air quantity detector to be positioned at a preset fan position;
and acquiring the air quantity of the preset fan position.
Optionally, the test method further includes:
Controlling the temperature control module to adjust the temperature of the compressor model to be the preset temperature of the compressor; and/or
And controlling a plurality of radiating holes to be arranged at preset positions of the radiating holes.
According to the heat exchange quantity testing device and method for the heat exchanger, the air path formed between the air inlet and the air outlet passes through the tested heat exchanger. The wind blowing through the tested heat exchanger takes away the heat of the heat exchange medium to finish the heat exchange of the tested heat exchanger. The angle of the measured heat exchanger is adjustable, namely the included angle between the measured heat exchanger and the air passage passing through the measured heat exchanger is adjustable, namely the heat exchange area of the measured heat exchanger and the air passage is adjustable, and the placement position and the angle of the heat exchanger can be different in an actual working environment. Furthermore, the placement angle of the heat exchanger to be measured can be continuously adjusted, and when the heat exchange quantity of the heat exchanger to be measured is maximum, the placement angle of the heat exchanger to be measured is found out, and the placement of the heat exchanger in actual production is guided.
Drawings
FIG. 1 is a schematic diagram of a heat exchange amount testing device of a heat exchanger according to an exemplary embodiment of the present application;
FIG. 2 is an internal construction view of a heat exchange amount testing device of a heat exchanger according to an exemplary embodiment of the present application;
FIG. 3 is a front view of a heat exchange amount testing device of a heat exchanger according to an exemplary embodiment of the present application;
FIG. 4 is a flow chart illustrating a heat exchanger heat exchange amount test method according to an exemplary embodiment of the present application.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one, and the terms "a" and "an" are used individually. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper," "top," "bottom," and the like are merely for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The application provides a heat exchange amount testing device of a heat exchanger, referring to fig. 1, the testing device comprises a shell 100 and a tested heat exchanger 200. The housing 100 is internally provided with a receiving cavity 110, the housing 100 is provided with an air inlet 120 and an air outlet 130, and the air inlet 120 and the air outlet 130 are used for forming an air path flowing in the receiving cavity 110. The air inlet 120 and the air outlet 130 may be adjacent or opposite, or on the same surface, so as to control the wind direction of the air path in the accommodating cavity.
Referring to fig. 2, the heat exchanger 200 to be tested is connected to an external pipeline 210, and the external pipeline 210 is used for introducing and discharging a heat exchange medium into and out of the heat exchanger 200 to be tested. The heat exchanger may be a condenser and the heat exchange medium is a refrigerant. The tested heat exchanger 200 is movably arranged in the accommodating cavity 110, the placing angle of the tested heat exchanger 200 is adjustable, and an air path formed between the air inlet 120 and the air outlet 130 passes through the tested heat exchanger 200. The wind blowing through the heat exchanger 200 to be tested takes heat of the heat exchange medium, and heat exchange of the heat exchanger 200 to be tested is completed. The angle of the measured heat exchanger 200 is adjustable, that is, the included angle between the measured heat exchanger 200 and the air path passing through the measured heat exchanger 200 is adjustable, that is, the heat exchange area of the measured heat exchanger 200 and the air path is adjustable.
In an actual working environment, the placement positions and angles of the heat exchangers may be different, and the application can simulate the actual heat exchange area of the heat exchanger under the actual working condition, so that the measured result is closer to the actual heat exchange amount. Furthermore, the placement angle of the heat exchanger 200 to be measured can be continuously adjusted, and when the maximum heat exchange amount of the heat exchanger 200 to be measured is found, the placement angle of the heat exchanger to be measured is used for guiding the placement of the heat exchanger in actual production. When the heat exchanger 200 to be tested is a refrigerator condenser, the housing 100 simulates a press cabin in which an actual condenser is located. In this case, the housing is sealed, and cooling air is introduced only through the air inlet 120 and the air outlet 130.
In an embodiment, referring to fig. 1, the testing device further includes a compressor model 300 disposed in the accommodating cavity 110, where the compressor model 300 is located on a wind path formed between the air inlet 120 and the air outlet 130, and the volume of the compressor model 300 may be adjustable, and the compressor model 300 may be replaced multiple times with different volumes, or may be a compressor model 300 with a volume capable of being compressed or expanded, and the adjustment mode is not limited herein. The position of the compressor pattern 300 relative to the heat exchanger 200 under test is also adjustable. For example, along the direction from the air inlet 120 to the air outlet 130, the compressor model 300 is close to the air outlet 130, and the heat exchanger 200 to be tested is close to the air inlet 120, the size of the compressor model 300 can be blocked, and the heat dissipation of the heat exchanger 200 to be tested may be affected by the air after heat exchange of the heat exchanger 200 to be tested. The volume and location of the compressor model 300 itself affects the heat exchange capacity of the heat exchanger 200 under test. Therefore, the environment where the tested heat exchanger 200 is located can be set to be consistent with the actual working condition, the placement position of the compressor and the volume of the compressor. Not only can the diversification of test applicable scenes be improved, but also the measured heat exchange quantity can be more approximate to the actual heat exchange quantity. In addition, the volume of the position of the compressor model 300 can be adjusted to find out the condition of the best heat exchange amount, and provide guidance for the position and the type selection of the compressor in actual production.
In one embodiment, the compressor model 300 includes a temperature control module 310, the temperature control module 310 being configured to adjust the temperature of the compressor model 300. In the actual compressor cabin, the compressor works to generate a certain amount of heat, so that the heat exchange amount of the heat exchanger is affected, and the temperature control module 310 can be a heating plate, a temperature regulator and the like capable of regulating and controlling the temperature, is arranged in the compressor model 300, and simulates the temperature of the compressor in actual working. Therefore, the working environment of the heat exchanger can be simulated more accurately, and the actual heat exchange amount of the heat exchanger can be tested more accurately. The type selection of the compressor can also be guided according to the measured heat exchange quantity.
In an embodiment, the testing device further includes an air volume detector 400 disposed in the accommodating cavity 110 and located on an air path formed between the air inlet 120 and the air outlet 130, for detecting an air volume at a location, where the relative positions of the air volume detector 400 and the tested heat exchanger 200 are adjustable. The present application forms an air path through the air inlet 120 and the air outlet 130, and in practical cases, a fan is generally arranged to provide air passing through the heat exchanger required for heat exchange of the heat exchanger. Firstly, in the present embodiment, a fan required for simulating an actual working scene may be omitted from the testing device, and an air path is formed through the air inlet 120 and the air outlet 130. Next, in the test device, the air volume of the formed air passage is continuously adjusted, and the heat exchange amount of the heat exchanger 200 to be tested is measured. When the heat exchange amount is found to be optimal, the air volume measured by the air volume detector 400 can simulate the position of the fan, so that the air volume measured by the air volume detector 400 at the moment is the air volume required to be achieved by the fan when the heat exchange amount is optimal, and the setting of the type selection of the fan, the air volume and the rotating speed of the fan in actual work can be guided. Specifically, in this embodiment, the test device may be placed in an experimental wind tunnel, to provide a wind path passing through the tested heat exchanger 200, and control of the air volume may be performed by adjusting the air volume provided by the wind tunnel. In addition, the embodiment breaks through the limitation of modularized separation design and test of the heat exchanger and the fan in the traditional technology, realizes the heat exchange scene test of the integrated module, and more completely simulates the working scene of the heat exchanger in the refrigerator.
Referring to fig. 3, in an embodiment, the testing device further includes a plurality of heat dissipation holes 500, where the plurality of heat dissipation holes 500 are adjustably formed in the housing and communicate the accommodating cavity 110 with an external space of the housing. The positions, sizes, and numbers of the plurality of heat dissipation holes 500 are all adjustable. The plurality of heat dissipation holes 500 can simulate the actual working condition of the heat exchanger, and the heat dissipation holes formed in the pressure cabin can more completely simulate the actual working scene of the tested heat exchanger 200, so that the diversification of the test application scene is improved, and the accuracy of the result is improved.
The application also provides a method for testing the heat exchange capacity of the heat exchanger, which is carried out by using the testing device provided by any one of the above. Referring to fig. 4, the testing method includes:
s1, controlling the tested heat exchanger to move to a preset placement angle;
S2, obtaining a heat exchange quantity difference value of the heat exchange medium which is introduced or discharged from the tested heat exchanger through an external pipeline.
In step S1, the preset placement angle may be set to a placement angle of the heat exchanger in an actual working state. Then in step S2, the obtained heat exchange amount is closer to the actual heat exchange amount of the heat exchanger in the actual working state. Or repeating the method, setting a plurality of groups of preset placement angles by taking the preset placement angles as variables, testing the corresponding heat exchange amount, comparing the heat exchange amounts in a plurality of experiments, and finding out the corresponding preset placement angle when the heat exchange amount is highest. In actual production, the heat exchanger can be set to be a preset placement angle with the best heat exchange capacity.
In one embodiment, the test method further comprises:
controlling the volume of the compressor model to be the preset volume of the compressor;
And adjusting the compressor model to move to a preset position of the compressor.
The actual working of the tested heat exchanger may be in a cabin, and the size of the compressor in the cabin and the position of the compressor relative to the tested heat exchanger may affect the heat exchange amount of the heat exchanger. In this embodiment, the preset volume of the compressor is the volume of the compressor actually used in actual operation. The compressor is preset, i.e. the position of the compressor actually used relative to the heat exchanger. The embodiment can more comprehensively simulate the actual working environment of the heat exchanger, so that the tested heat exchange amount is closer to the actual heat exchange amount. In addition, the test can be carried out for a plurality of times, the preset volume and the preset position of the compressors are adjusted, the relative heat exchange amount of each group is measured, and when the heat exchange amount is found out, the preset volume and the preset position of the compressors are set. The method can guide the relative positions of the compressor and the heat exchanger in the press cabin and the selection of the compressor in actual production.
In one embodiment, the test method further comprises:
the air inlet and the air outlet are formed in preset positions of the shell; and/or
And controlling the opening and closing of the air inlet and the air outlet, and adjusting the trend of the air passage in the accommodating cavity.
The preset positions of the air inlet and the air outlet can be opposite, adjacent or on the same surface. Taking a heat exchanger of the refrigerator as an example, the air inlet and the air outlet of the air path relative to each other in the free state of the refrigerator can be respectively simulated. Or in the embedded state, the air path is along the adjacent or same side air inlet and air outlet, and the air inlet and the air outlet. The embodiment can simulate various air paths and adapt to the heat exchange quantity of the heat exchanger under various refrigerator installation states.
In addition, the opening and closing of the air inlet and the air outlet can be controlled, and the trend of the air path can be adjusted. For example, the air outlet can be adjusted to be closed, and the air inlet is opened, so that the air path enters the accommodating cavity from the air inlet, passes through the tested heat exchanger, the compressor model and other devices, returns air and is discharged from the air inlet. The embedded refrigerator can be simulated, only one side of the embedded refrigerator is provided with an opening, and the air inlet and the air outlet are positioned at the same position. Therefore, the testing device is closer to the actual condition, the obtained heat exchange quantity result is closer to the actual heat exchange quantity, and the guidance for the type selection of the heat exchanger, the compressor, the fan and the like is more worth referring. In addition, the air inlet and the air outlet can be correspondingly opened and closed according to the actual use environment of the refrigerator, so that the testing device can simulate the actual environment more accurately.
In one embodiment, the test method further comprises:
Controlling the air quantity detector to be positioned at a preset fan position;
and acquiring the air quantity of the preset fan position.
The preset fan position is the position of the actual fan in the press cabin relative to the heat exchanger. The air quantity at the position of the preset fan is obtained, so that the air quantity required to be achieved by the fan in actual production can be guided. In the same way, the embodiment can also make a plurality of groups of experiments, set different preset fan positions, select a proper fan position according to the measured air quantity, and provide guidance for the placement position of the fan in actual production. Or the air quantity of the air channel formed along the air inlet and the air outlet is changed, the air quantity of the air quantity detector positioned at the position of the preset fan is obtained according to the heat exchange quantity, and when the heat exchange quantity is good, the air quantity at the corresponding position of the preset fan is selected, so that the rotating speed required by the fan reaching the air quantity can be obtained, and the guidance is provided for the type selection of the actual fan.
In one embodiment, the test method further comprises:
controlling the temperature control module to adjust the temperature of the compressor model to be the preset temperature of the compressor; and/or
And controlling a plurality of radiating holes to be arranged at preset positions of the radiating holes.
The temperature of the control compressor model is the preset temperature of the compressor, and the preset temperature of the compressor is the temperature of the compressor in the actual working environment through the temperature module, so that the working environment where the heat exchanger is located can be more accurately simulated, and the actual heat exchange amount of the heat exchanger can be more accurately tested.
In addition, a plurality of radiating holes can be controlled to be arranged at preset positions of the radiating holes, and the positions of the radiating Kong Yushe are consistent with the positions of the radiating holes on the actual press cabin. The positions of the radiating holes of different refrigerators may be different, and the preset radiating positions of the radiating holes can be correspondingly changed, so that the actual working environment of the tested heat exchanger can be more accurately simulated, and the test result is closer to the actual result.
In summary, firstly, the application designs the testing device based on the influence of factors such as the flow direction, the air quantity, the placement angle and the position of the heat exchanger, the distribution of the radiating holes, the volume, the position and the temperature of the compressor and the like on the heat exchange of the heat exchanger, realizes the diversification of testing applicable scenes and improves the accuracy of testing results. In addition, the application does not improve reliable data support by the simulation model, guides the environment of the heat exchanger to be set based on the heat exchange quantity, and is favorable for optimally matching and designing the optimization of the product.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the application.
Claims (10)
1. A heat exchange amount testing device of a heat exchanger, comprising:
the shell is internally provided with an accommodating cavity, and an air inlet and an air outlet are formed in the shell and are used for forming an air path circulating in the accommodating cavity;
The heat exchanger to be tested is connected with an external pipeline, the external pipeline is used for leading in and out a heat exchange medium from the heat exchanger to be tested, the heat exchanger to be tested is movably arranged in the accommodating cavity, the placing angle of the heat exchanger to be tested is adjustable, and an air path formed between the air inlet and the air outlet penetrates through the heat exchanger to be tested.
2. The heat exchange amount testing device of a heat exchanger according to claim 1, wherein the testing device further comprises: the compressor model is arranged in the accommodating cavity and is positioned on a wind path formed between the air inlet and the air outlet, the volume of the compressor model is adjustable, and the position of the compressor model relative to the tested heat exchanger is adjustable.
3. The heat exchange amount testing device of a heat exchanger according to claim 2, wherein the compressor model includes a temperature control module for adjusting a temperature of the compressor model.
4. The heat exchange amount testing device of a heat exchanger according to claim 1, wherein the testing device further comprises: the air quantity detector is arranged in the accommodating cavity, is positioned on an air path formed between the air inlet and the air outlet and is used for detecting the air quantity at the position, and the relative position of the air quantity detector and the tested heat exchanger is adjustable.
5. The heat exchange capacity testing device of a heat exchanger as set forth in claim 1, further comprising a plurality of heat dissipation holes, wherein the plurality of heat dissipation holes are adjustably provided in the housing, and communicate the accommodating chamber with an external space of the housing.
6. A heat exchange amount testing method of a heat exchanger, which is tested by using the heat exchange amount testing device of the heat exchanger according to any one of claims 1 to 5, comprising:
controlling the detected heat exchanger to move to a preset placement angle;
And obtaining the heat exchange quantity difference value of the heat exchange medium which is introduced or discharged by the tested heat exchanger through the external pipeline.
7. The heat exchange amount testing method of a heat exchanger according to claim 6, wherein the testing method further comprises:
controlling the volume of the compressor model to be the preset volume of the compressor;
And adjusting the compressor model to move to a preset position of the compressor.
8. The heat exchange amount testing method of a heat exchanger according to claim 6, wherein the testing method further comprises:
the air inlet and the air outlet are formed in preset positions of the shell; and/or
And controlling the opening and closing of the air inlet and the air outlet, and adjusting the trend of the air passage in the accommodating cavity.
9. The heat exchange amount testing method of a heat exchanger according to claim 6, wherein the testing method further comprises:
Controlling the air quantity detector to be positioned at a preset fan position;
and acquiring the air quantity of the preset fan position.
10. The heat exchange amount testing method of a heat exchanger according to claim 6, wherein the testing method further comprises:
Controlling the temperature control module to adjust the temperature of the compressor model to be the preset temperature of the compressor; and/or
And controlling a plurality of radiating holes to be arranged at preset positions of the radiating holes.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118329238A true CN118329238A (en) | 2024-07-12 |
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