CN218865531U - Performance testing device for vehicle radiator - Google Patents
Performance testing device for vehicle radiator Download PDFInfo
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- CN218865531U CN218865531U CN202223426585.2U CN202223426585U CN218865531U CN 218865531 U CN218865531 U CN 218865531U CN 202223426585 U CN202223426585 U CN 202223426585U CN 218865531 U CN218865531 U CN 218865531U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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Abstract
The utility model discloses a vehicle radiator capability test device, include: the air duct is internally provided with a first air temperature detection device, a second air temperature detection device, a wind speed measurement device and a fan in sequence along the air flowing direction; the infusion tube is sequentially provided with an infusion pump, a heat exchanger, a liquid flow regulating valve, a first liquid pressure detection device, a first liquid temperature detection device, a second liquid temperature detection device and a second liquid pressure detection device in the flowing direction of liquid; the heat exchanger is also communicated with a steam source through a gas pipe. Has the advantages that: the technical scheme of the utility model can provide heat transfer and flow resistance capability test for automobile-used radiator, let the enterprise can combine test data to optimize the improvement to automobile-used radiator, with higher speed automobile-used radiator design volume production, the automobile-used radiator of boosting accelerates research and development innovation, promotes automobile-used radiator trade rapid development.
Description
Technical Field
The utility model relates to an automobile-used radiator field, in particular to automobile-used radiator capability test device.
Background
The automobile radiator is an indispensable important component in a cooling system of an automobile water-cooled engine, and at present, the automobile radiator is developing towards the light, efficient and economic direction.
Along with the development of science and technology and the continuous reduction of energy sources, the energy-saving consciousness is continuously improved, and the development and the utilization of the energy-saving automobile radiator are more and more paid attention to by people. However, there is no device capable of testing heat transfer and flow resistance of a newly developed energy-saving automobile radiator, and the energy-saving effect of the newly developed energy-saving automobile radiator cannot be quantitatively reviewed, so that the speed of development innovation, experimental demonstration and mass production of the energy-saving automobile radiator is hindered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automobile radiator capability test device, aim at solving at present not have one kind can carry out heat transfer and flow resistance capability test's device to the auto radiator of new research and development, influence the problem of auto radiator research and development innovation.
In order to solve the above problem, the utility model provides a vehicle radiator capability test device, include:
the air duct is internally provided with a first air temperature detection device, a second air temperature detection device, a wind speed measurement device and a fan in sequence along the air flowing direction;
the infusion tube is sequentially provided with an infusion pump, a heat exchanger, a liquid flow regulating valve, a first liquid pressure detection device, a first liquid temperature detection device, a second liquid temperature detection device and a second liquid pressure detection device in the flowing direction of liquid;
the heat exchanger is also communicated with a steam source through a gas pipe.
In one embodiment, an air temperature adjusting device is arranged in front of the first air temperature detecting device in the air duct.
In one embodiment, the fan is connected with a frequency converter.
In one embodiment, a liquid storage tank is arranged on the liquid conveying pipe and between the second liquid pressure detection device and the liquid conveying pump.
In one embodiment, a steam flow regulating valve is arranged on the gas transmission pipe and positioned between the heat exchanger and the steam gas source.
In one embodiment, the heat exchanger is also communicated with a drain valve.
In one embodiment, the vehicle radiator to be tested is positioned between the first air temperature detection device and the second air temperature detection device in the air duct.
In one embodiment, the vehicle radiator to be tested is connected in series between the first liquid temperature detection device and the second liquid temperature detection device on the infusion tube.
Has the beneficial effects that: the technical scheme of the utility model can provide heat transfer and flow resistance capability test for automobile-used radiator, let the enterprise can combine test data to optimize the improvement to automobile-used radiator, with higher speed automobile-used radiator design volume production, the automobile-used radiator of boosting accelerates research and development innovation, promotes automobile-used radiator trade rapid development.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a device for testing performance of a vehicular radiator according to an embodiment of the present invention;
fig. 2 is a schematic view of a device for testing the performance of a vehicular radiator according to another embodiment of the present invention;
FIG. 3 is a cross-sectional view of the air chute.
The reference numerals are explained below:
1. an air duct; 2. an air temperature adjusting device; 3. a first air temperature detection device; 4. a second air temperature detection device; 5. a wind speed measuring device; 6. a fan; 7. a frequency converter; 8. a radiator for a vehicle; 9. a transfusion tube; 11. a first liquid temperature detection device; 12. a first liquid pressure detection device; 13. a second liquid temperature detection device; 14. a second liquid pressure detection device; 15. a liquid storage tank; 16. an infusion pump; 17. a heat exchanger; 18. a liquid flow regulating valve; 19. a gas delivery pipe; 20. a source of steam gas; 21. a steam flow regulating valve; 22. a liquid discharge pipe; 23. a trap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an automobile radiator capability test device, this automobile radiator capability test device can conduct heat and flow resistance capability test to automobile radiator 8, verify automobile radiator 8's energy-conserving effect, let the enterprise can optimize the improvement to automobile radiator 8 according to test data to obtain energy-conserving effectual automobile radiator 8, 8 design volume productions of automobile radiator accelerate, automobile radiator 8 accelerates the research and development innovation for the boosting, promote the 8 trade rapid development of automobile radiator.
Specifically, in an embodiment of the present invention, as shown in fig. 1, the performance testing device for a vehicle radiator includes an air duct 1 and an infusion tube 9, and an air temperature detecting device i 3, an air temperature detecting device ii 4, an air speed measuring device 5, and a fan 6 are sequentially disposed in the air duct 1 along an air flowing direction (indicated by an arrow in the figure); the automobile radiator 8 to be tested is located between the first air temperature detection device 3 and the second air temperature detection device 4 in the air duct 1, the design is that air flow in the air duct 1 in the figure 1 flows through the automobile radiator 8 from right to left, the first air temperature detection device 3 is used for detecting air temperature on the right side of the automobile radiator 8, namely air side inlet temperature of the automobile radiator 8, the second air temperature detection device 4 is used for detecting temperature of air flow which just passes through the automobile radiator 8, namely air side outlet temperature of the automobile radiator 8, air temperature difference before and after the air flow passes through the automobile radiator 8 is obtained through the first air temperature detection device 3 and the second air temperature detection device 4, and basic data are provided for testing heat transfer performance of the automobile radiator 8.
Further, in this embodiment, there are five air temperature detecting devices two 4, four of which are uniformly distributed on the inner wall of the air duct 1, and the remaining one is located on the central axis of the air duct 1, as shown in fig. 3.
Preferably, the first air temperature detection device 3 and the second air temperature detection device 4 both adopt temperature sensors, and the temperature sensors are adopted to detect the air temperature accurately and reliably, so that the detection sensitivity is high.
In the present embodiment, the wind speed measuring device 5 is used for detecting the wind speed of the airflow in the wind tunnel 1, and preferably, the wind speed measuring device 5 adopts a wind speed sensor.
In the present embodiment, the fan 6 is used for generating an air flow in the wind tunnel 1, so that the air flow flows from right to left in the wind tunnel 1, as shown in fig. 1.
In this embodiment, as shown in fig. 1, an infusion pump 16, a heat exchanger 17, a liquid flow rate regulating valve 18, a first liquid pressure detecting device 12, a first liquid temperature detecting device 11, a second liquid temperature detecting device 13, and a second liquid pressure detecting device 14 are sequentially disposed on the infusion tube 9 in a liquid flowing direction; the vehicle radiator 8 to be tested is connected in series between the first liquid temperature detection device 11 and the second liquid temperature detection device 13 on the infusion tube 9, and as shown in fig. 1, a liquid inlet and a liquid outlet of the vehicle radiator 8 are communicated with the infusion tube 9.
In this embodiment, the infusion pump 16 drives liquid to flow directionally in the infusion tube 9, the liquid in the infusion tube 9 enters the heat exchanger 17 and is heated, the liquid with high temperature flows out of the heat exchanger 17 and then sequentially passes through the liquid flow regulating valve 18, the first liquid pressure detecting device 12 and the first liquid temperature detecting device 11, the liquid flow regulating valve 18 is used for regulating the liquid flow entering the vehicular radiator 8, the first liquid pressure detecting device 12 is used for detecting the pressure of the liquid about to enter the vehicular radiator 8, namely the liquid side inlet pressure of the vehicular radiator 8, the first liquid temperature detecting device 11 is used for detecting the temperature of the liquid about to enter the vehicular radiator 8, namely the liquid side inlet temperature of the vehicular radiator 8, the liquid passing through the first liquid temperature detecting device 11 enters the vehicular radiator 8 through the liquid inlet, and then flows out of the liquid outlet of the vehicular radiator 8 and sequentially passes through the second liquid temperature detecting device 13 and the second liquid pressure detecting device 14 and then returns to the infusion pump 16, so as to realize liquid circulation flow, and the liquid with high temperature exchanges heat with the air flow in the air duct 1 in the vehicular radiator 8, and thus the liquid temperature of the vehicular radiator 8 decreases and increases.
In this embodiment, the second liquid temperature detection device 13 is configured to detect a temperature of the liquid flowing out of the vehicular radiator 8, that is, a liquid-side outlet temperature of the vehicular radiator 8, the second liquid pressure detection device 14 is configured to detect a pressure of the liquid flowing out of the vehicular radiator 8, that is, a liquid-side outlet pressure of the vehicular radiator 8, and a temperature difference between the liquid passing through the vehicular radiator 8 is obtained by the first liquid temperature detection device 11 and the second liquid temperature detection device 13, so as to provide basic data for testing heat transfer performance of the vehicular radiator 8;
in addition, the pressure difference of the liquid before and after passing through the vehicle radiator 8 is obtained by the first liquid pressure detection device 12 and the second liquid pressure detection device 14, and basic data are provided for testing the flow resistance performance of the vehicle radiator 8.
Preferably, in this embodiment, the first liquid temperature detection device 11 and the second liquid temperature detection device 13 both use temperature sensors, and the temperature sensors have high sensitivity in detecting liquid temperature, and detect data accurately and reliably;
in addition, the first liquid pressure detection device 12 and the second liquid pressure detection device 14 both adopt pressure transmitters.
In this embodiment, the heat load on the air side of the vehicle radiator 8 is calculated according to the air temperature data before and after the air flow detected by the first air temperature detection device 3 and the second air temperature detection device 4 passes through the vehicle radiator 8 and the wind speed of the air flow in the air duct 1 detected by the wind speed measurement device 5, and the specific calculation method is as follows: air side thermal load = wind speed × duct cross-sectional area × air density × air specific heat × (air temperature difference before and after the air flow passes through the vehicle radiator 8), and as for the heat loss, the value is negligible because it is small.
In the present embodiment, the heat load on the liquid side of the vehicular radiator 8 is calculated based on the temperatures of the liquid before and after passing through the vehicular radiator 8 detected by the first liquid temperature detection device 11 and the second liquid temperature detection device 13 and the liquid flow rate entering the vehicular radiator 8 set by the liquid flow rate adjustment valve 18, and the specific calculation method is as follows: the liquid side heat load = liquid flow rate × liquid density × specific heat of the liquid × (temperature difference before and after the liquid passes through the vehicle radiator 8), and as for the heat loss, the value is small and therefore negligible.
In the present embodiment, the heat transfer coefficient of the vehicular radiator 8 is calculated according to the thermal load on the air side and the thermal load on the liquid side of the vehicular radiator 8, so as to complete the heat transfer performance test of the vehicular radiator 8, specifically, the heat transfer coefficient of the vehicular radiator 8 is calculated by: heat transfer coefficient = (air side heat load + liquid side heat load)/(2 × heat transfer area × logarithmic mean temperature difference);
wherein: logarithmic mean temperature difference = (temperature difference at the large temperature difference end-temperature difference at the small temperature difference end)/ln (temperature difference at the large temperature difference end/temperature difference at the small temperature difference end), and the heat transfer area is the heat exchange area for the liquid to exchange heat with the airflow in the air duct 1 in the vehicle radiator 8;
wherein: the temperature difference at the large temperature difference end = liquid-side outlet temperature of the vehicular radiator 8 — air-side inlet temperature of the vehicular radiator 8;
the temperature difference at the small temperature difference end = the liquid-side inlet temperature of the vehicular radiator 8 — the air-side outlet temperature of the vehicular radiator 8.
In the present embodiment, the calculation methods of the air side heat load, the liquid side heat load and the heat transfer coefficient of the radiator 8 for the vehicle are already described in GB/T27698.8-2011 "heat exchanger and heat transfer element performance test method section 8: the heat exchanger industrial calibration is disclosed in the prior art, so the calculation principle is not described in detail.
In this embodiment, the resistance of the liquid side of the vehicular radiator 8 is calculated according to the pressures of the liquid detected by the first liquid pressure detection device 12 and the second liquid pressure detection device 14 before and after passing through the vehicular radiator 8, so as to complete the flow resistance performance test of the vehicular radiator 8, specifically, the method for calculating the resistance of the liquid side of the vehicular radiator 8 is as follows: liquid-side resistance = liquid-side inlet pressure of the vehicular radiator 8-liquid-side outlet pressure of the vehicular radiator 8.
The automobile radiator performance testing device of this embodiment can conduct heat and flow resistance capability test to automobile radiator 8 to verify automobile radiator 8's energy-conserving effect, let the enterprise can be according to the quick accurate automobile radiator 8 of optimizing improvement to of test data, thereby obtain energy-conserving effectual automobile radiator 8, 8 design volume productions of automobile radiator are accelerated, help automobile radiator 8 to accelerate research and development innovation, promote the quick development of automobile radiator 8 trade.
In this embodiment, the liquid in the infusion tube 9 may be water.
Further, in this embodiment, as shown in fig. 1, the heat exchanger 17 is further communicated with a steam air source 20 through an air pipe 19, the steam air source 20 sends high-temperature steam to the heat exchanger 17 through the air pipe 19, and the liquid in the heat exchanger 17 is heated by the high-temperature steam.
Furthermore, as shown in fig. 1, a steam flow regulating valve 21 is arranged on the gas pipe 19 between the heat exchanger 17 and the steam gas source 20, and the steam flow entering the heat exchanger 17 is regulated by the steam flow regulating valve 21, so as to regulate the liquid temperature at the liquid inlet of the vehicle radiator 8, thereby meeting the performance test requirements of the vehicle radiators 8 of different specifications and models.
In the embodiment, the liquid temperature of the liquid inlet of the vehicle radiator 8 at the temperature of 20 ℃ is less than 95 ℃, and the adjusting precision is +/-0.5 ℃.
Preferably, the steam air source 20 is a boiler, steam is generated by the boiler, further, as shown in fig. 1, the heat exchanger 17 is further communicated with a drain valve 23, the drain valve 23 is communicated with the boiler through a drain pipe 22, water formed by liquefaction of the steam in the heat exchanger 17 is discharged from the drain valve 23, and then the water flows back to the boiler through the drain pipe 22.
Further, in this embodiment, as shown in fig. 1, a liquid storage tank 15 is disposed on the infusion tube 9 between the second liquid pressure detection device 14 and the infusion pump 16, and excess liquid is stored in the liquid storage tank 15, so that when liquid loss occurs in the infusion tube 9, liquid is timely supplemented into the infusion tube 9, the liquid pressure in the infusion tube 9 is stable, and sufficient guarantee is provided for a performance test of the vehicle radiator 8.
Further, in this embodiment, as shown in fig. 1, an air temperature adjusting device 2 is disposed in front of the first air temperature detecting device 3 in the air duct 1, and the air temperature adjusting device 2 is used for adjusting the temperature of the air flow entering the air duct 1, so as to meet performance test requirements of vehicle radiators 8 of different specifications and models.
In the embodiment, the temperature adjusting range of the air temperature adjusting device 2 is 5-85 ℃, and the adjusting precision is +/-0.5 ℃.
Preferably, the air temperature adjusting device 2 is an air conditioner or a combination of an air heater and an air cooler.
Further, in this embodiment, as shown in fig. 1, the fan 6 is connected to a frequency converter 7, and the air speed of the fan 6 is adjusted by means of the frequency converter 7, so as to adjust the air flow in the air duct 1, so as to meet the performance test requirements of the vehicle radiators 8 of different specifications and models.
In the present embodiment, the adjustment range of the liquid flow control valve 18 is 3m 3 /h-300m 3 The adjustment precision is +/-0.5%, and furthermore, the liquid flow adjusting valves 18 are multiple and are arranged in parallel, and the specifications and the models of the different liquid flow adjusting valves 18 are different, so that the design is carried out, different liquid flow adjusting valves 18 can be selected according to the requirements, and the adjustment range of the liquid flow is further expanded.
In this embodiment, as shown in fig. 1, all of the vehicle radiators 8 to be tested can be placed in the air duct 1 for testing, at this time, a sealing door may be opened on the air duct 1, the vehicle radiators 8 to be tested can be placed in the air duct 1 by opening the sealing door, then the liquid conveying pipe 9 is communicated with the vehicle radiators 8 to be tested, the sealing door is closed, and the performance test of the vehicle radiators 8 can be performed by opening the blower 6, the liquid conveying pump 16 and the steam gas source 20;
of course, in other embodiments, as shown in fig. 2, the vehicle radiator 8 to be tested may be placed at the joint of the two air ducts 1, and the two air ducts 1 are close to each other to press and seal the vehicle radiator 8 to be tested, so as to ensure that the air flow in the air ducts 1 does not leak during the process of flowing through the vehicle radiator 8.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (8)
1. The utility model provides a vehicle radiator capability test device which characterized in that includes:
the air duct is internally provided with a first air temperature detection device, a second air temperature detection device, a wind speed measurement device and a fan in sequence along the air flowing direction;
the infusion tube is sequentially provided with an infusion pump, a heat exchanger, a liquid flow regulating valve, a first liquid pressure detection device, a first liquid temperature detection device, a second liquid temperature detection device and a second liquid pressure detection device in the flowing direction of liquid;
the heat exchanger is also communicated with a steam air source through an air conveying pipe.
2. The performance testing device for the vehicular radiator as claimed in claim 1, wherein an air temperature adjusting means is provided in front of said first air temperature detecting means in the air duct.
3. The device for testing the performance of the vehicular radiator according to claim 1, wherein the fan is connected with a frequency converter.
4. The device for testing the performance of the vehicular radiator according to claim 1, wherein a liquid storage tank is arranged on the liquid conveying pipe between the second liquid pressure detection device and the liquid conveying pump.
5. The performance testing device of the vehicular radiator as claimed in claim 1, wherein a steam flow regulating valve is arranged on the gas pipe between the heat exchanger and the steam gas source.
6. The device for testing the performance of the vehicle radiator as recited in claim 1, wherein said heat exchanger is further communicated with a drain valve.
7. The device for testing the performance of the vehicular radiator as claimed in claim 1, wherein the vehicular radiator to be tested is located between the first air temperature detecting device and the second air temperature detecting device in the air duct.
8. The device for testing the performance of the vehicular radiator according to claim 1, wherein the vehicular radiator to be tested is connected in series between the first liquid temperature detection device and the second liquid temperature detection device on the liquid conveying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426585.2U CN218865531U (en) | 2022-12-21 | 2022-12-21 | Performance testing device for vehicle radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426585.2U CN218865531U (en) | 2022-12-21 | 2022-12-21 | Performance testing device for vehicle radiator |
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| Publication Number | Publication Date |
|---|---|
| CN218865531U true CN218865531U (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223426585.2U Active CN218865531U (en) | 2022-12-21 | 2022-12-21 | Performance testing device for vehicle radiator |
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| CN (1) | CN218865531U (en) |
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2022
- 2022-12-21 CN CN202223426585.2U patent/CN218865531U/en active Active
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