CN114575991A - Intercooler heat abstractor - Google Patents
Intercooler heat abstractor Download PDFInfo
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- CN114575991A CN114575991A CN202011390302.6A CN202011390302A CN114575991A CN 114575991 A CN114575991 A CN 114575991A CN 202011390302 A CN202011390302 A CN 202011390302A CN 114575991 A CN114575991 A CN 114575991A
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- intercooler
- liquid
- pipeline
- heat dissipation
- heat
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- 239000007788 liquid Substances 0.000 claims abstract description 129
- 230000017525 heat dissipation Effects 0.000 claims abstract description 53
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 239000002826 coolant Substances 0.000 claims description 17
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 29
- 238000012360 testing method Methods 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 239000000498 cooling water Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0437—Liquid cooled heat exchangers
- F02B29/0443—Layout of the coolant or refrigerant circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0493—Controlling the air charge temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides an intercooler heat dissipation device, which is used for dissipating heat of an intercooler of an engine bench test and comprises a liquid collection tank, a pipeline assembly and a liquid pump, wherein the pipeline assembly comprises a liquid inlet pipeline and a liquid outlet pipeline communicated with the liquid inlet pipeline; according to the invention, the intercooler is subjected to heat exchange in a circulating water cooling mode, the heat dissipation performance is stronger, the air inlet temperature of the engine can be effectively reduced, the heat dissipation intensity can be adjusted by adjusting the power of the liquid pump and the heat exchanger, the controllability is strong, the heat dissipation performance can be more accurately adjusted, and the problem that the air inlet temperature of the engine cannot be controlled due to insufficient efficiency of cooling the intercooler in the traditional air cooling mode is solved.
Description
Technical Field
The invention relates to the technical field of engine tests, in particular to an intercooler heat dissipation device.
Background
The intercooler is an important component of the engine, the heat dissipation effect of the intercooler influences the air inlet temperature of the engine, and the air inlet temperature can directly influence the dynamic property, economy, combustion, noise and emission of the engine and is an important factor influencing the test effect. Therefore, in the stage of the bench test of the engine, the intercooler of the engine needs to be subjected to heat exchange and heat dissipation to ensure the smooth operation of the bench test of the engine.
In traditional engine bench test, rely on the cooling air that frequency conversion fan provided to the intercooler of engine to dispel the heat in order to the intercooler usually, fix the intercooler at frequency conversion fan air outlet, according to the current inlet air temperature of engine, control the size of the cooling amount of wind through frequency conversion fan given frequency, reduce the inlet air temperature of engine. However, when the engine is in a high-load working condition, the cooling power of the variable frequency fan is insufficient, and the air inlet temperature of the engine is difficult to be reduced to a target temperature range, so that the air inlet temperature of the engine is uncontrollable.
Disclosure of Invention
The invention aims to provide an intercooler heat dissipation device to solve the technical problem that the air inlet temperature of an engine is uncontrollable due to the fact that the cooling efficiency of an intercooler is insufficient in the traditional air cooling mode in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an intercooler heat abstractor for dispel the heat to the experimental intercooler of engine pedestal, include:
the body of the intercooler is arranged in the liquid collecting tank;
the pipeline assembly comprises a liquid inlet pipeline and a liquid outlet pipeline communicated with the liquid inlet pipeline, the liquid inlet pipeline is connected to the liquid collecting tank, the liquid outlet pipeline is connected with a plurality of injection pipelines, and each injection pipeline is provided with a plurality of nozzles communicated to the interior of the liquid collecting tank;
the heat exchanger is arranged between the liquid inlet pipeline and the liquid outlet pipeline and used for dissipating heat of the cooling liquid in the pipelines;
and the liquid pump is arranged on the liquid inlet pipeline.
Optionally, the intercooler cooling device further includes a proportional valve installed on the pipeline, the proportional valve has an inlet, a first outlet, and a second outlet, the inlet is connected to the liquid outlet of the liquid pump, the first outlet is connected to one end of the heat exchanger, and the second outlet is connected to the liquid inlet of the liquid pump.
Optionally, the intercooler cooling device further comprises an electric control system, the electric control system comprises a temperature sensor and a control module, the temperature sensor is used for detecting the air inlet temperature of the engine, and the control module is used for adjusting the opening degree of the proportional valve according to the air inlet temperature.
Optionally, a liquid outlet is formed in the lower end face of the liquid collecting box, and the liquid inlet pipeline is connected to the liquid outlet in the vertical direction.
Optionally, the heat exchanger includes casing, coolant liquid entry and coolant liquid export, the feed liquor pipeline with it has the heat dissipation pipeline to communicate between the liquid outlet pipe, the heat dissipation pipeline is located in the casing.
Optionally, the spray pipes are provided on both sides of the header tank.
Optionally, a manual valve is arranged at the joint between the two injection pipelines.
Optionally, the inlet conduit is provided with a filter.
Optionally, the intercooler cooling device further comprises a frame, the liquid collecting tank, the pipeline assembly and the liquid pump are all installed in a space enclosed by the frame, and an opening for allowing an engine connecting end of the intercooler to extend out is reserved on the frame.
Optionally, the frame includes a plurality of mutually fixed square tubes, and the header tank, the liquid pump, and the heat exchanger are fixed to the corresponding square tubes.
The intercooler cooling device provided by the invention has the beneficial effects that:
the intercooler heat dissipation device comprises a liquid collection tank, a pipeline assembly, a heat exchanger and a liquid pump, wherein cooling liquid in the liquid collection tank flows into the pipeline assembly after being pressurized by the liquid pump, then enters a plurality of injection pipelines from a liquid outlet pipeline of the pipeline assembly, and then is sprayed to the surface of the intercooler by nozzles on the injection pipelines, so that the cooling liquid is sprayed on the surface of the intercooler for heat exchange, the cooling liquid is collected in the liquid collection tank after heat exchange is completed, the cooling liquid enters a liquid inlet pipeline of the pipeline assembly through the liquid collection tank, and then is cooled by the heat exchanger to carry out the next intercooler heat dissipation, the circulation is carried out, the heat of the intercooler is exchanged to the heat exchanger, the heat dissipation of the intercooler is completed, and the purpose of controlling the air inlet temperature of an engine is achieved. According to the invention, the intercooler is subjected to heat exchange in a circulating liquid cooling mode, the heat dissipation performance is stronger, the high-temperature air inlet of the engine can be effectively reduced, the heat dissipation strength of the intercooler can be adjusted by adjusting the power of the liquid pump and the heat exchanger, the controllability is strong, the air inlet temperature of the engine can be more accurately adjusted, and the problem that the air inlet temperature of the engine cannot be controlled in the traditional air cooling mode is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an intercooler heat dissipation device in an embodiment of the present invention;
FIG. 2 is a schematic view of a pipe assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of a cooling water cycle of an intercooler heat sink in accordance with an embodiment of the present invention;
FIG. 4 is a side view of a frame in accordance with an embodiment of the present invention;
FIG. 5 is a front view of a frame in accordance with an embodiment of the present invention;
fig. 6 is an overall installation diagram of an intercooler heat sink in an embodiment of the invention.
Wherein, in the figures, the various reference numbers:
1-an intercooler; 2-a liquid collecting tank; 3-a pipe assembly; 31-an injection duct; 32-a nozzle; 33-a proportional valve; 34-a manual valve; 35-a filter; 4-a heat exchanger; 5-a liquid pump; 6-a frame; 61-opening; 62-square tube; 63-hole plate; 64-universal wheels; 7-an electronic control system.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to fig. 6, a description will now be given of an intercooler heat dissipation device according to an embodiment of the present invention.
As shown in fig. 1 and 2, the present embodiment provides an intercooler heat dissipation device for dissipating heat of an intercooler 1 in a bench test stage of an engine so as to reduce a temperature of an engine intake, the intercooler heat dissipation device including: a header tank 2, a pipeline assembly 3, a heat exchanger 4 and a liquid pump 5. Wherein, the pipeline assembly 3 comprises a liquid outlet pipeline and a liquid outlet pipeline communicated with the liquid outlet pipeline. The body of intercooler 1 is installed in header tank 2, and two engine connection ends of intercooler 1 stretch out through the hole of header tank 2 both sides to be connected with experimental engine. The liquid inlet pipeline of the pipeline assembly 3 is connected to the liquid collecting tank 2, the liquid outlet pipeline of the pipeline assembly 3 is connected with a plurality of injection pipelines 31, and each injection pipeline 31 is arranged along the outer side of the liquid collecting tank 2. Each spray pipe 31 is provided with a plurality of nozzles 32, and the nozzles 32 communicate to the inside of the header tank 2 to spray the coolant to the intercooler 1. The heat exchanger 4 is arranged between the liquid outlet pipeline and used for radiating the cooling liquid in the pipeline. The liquid pump 5 is installed in the liquid inlet pipeline of the pipeline assembly 3.
In this embodiment, the working process of the intercooler cooling device is as follows: fill up the coolant liquid toward the inside of header tank 2 in advance, the liquid outlet of header tank 2 is connected with the inlet of liquid pump 5, coolant liquid in header tank 2 flows to pipeline assembly 3 after 5 pressurizations of liquid pump, liquid pump 5 lasts the coolant liquid pressurization in pipeline assembly 3 at the course of the work, make the coolant liquid remove along pipeline assembly 3, get into many injection pipes 31 from pipeline assembly 3's liquid outlet pipe, then the nozzle 32 on a plurality of injection pipes 31 of rethread spouts intercooler 1 surface, make the coolant liquid drench intercooler 1 surface and carry out the heat transfer, realize the heat dissipation to intercooler 1. Because the lateral wall of header tank 2 is sealed with intercooler 1, can collect in header tank 2 after the coolant liquid heat transfer is accomplished, collect the coolant liquid after using for the coolant liquid can get into the inlet liquid pipeline of pipeline assembly 3 through header tank 2, carry out the heat dissipation of intercooler 1 next time. At this moment, the cooling liquid with higher temperature after heat exchange flows through the pipeline assembly 3, becomes cooling liquid with lower temperature after heat dissipation through the heat exchanger 4, enters the plurality of injection pipelines 31 again, is sprayed to the surface of the intercooler 1 through the nozzles 32 on the injection pipelines 31, and continuously exchanges heat with the intercooler 1 in a heat exchange manner, and the circulation is performed in such a way, so that the heat of the intercooler 1 is exchanged to the heat exchanger 4, the heat dissipation of the intercooler 1 is completed, and the purpose of controlling the air inlet temperature of the engine is further achieved. Fig. 3 shows a schematic diagram of a circulation of the cooling liquid in the intercooler radiator.
In the above-mentioned radiating process, the intercooler 1 heat transfer has been carried out to the mode that has adopted the circulating water cooling, reach the effect of the cooling of intercooler 1, the thermal diffusivity is stronger, can reduce the high temperature of engine more effectively and admit air, heat dispersion is strong, and can be through the power of adjusting liquid pump 5, the power of heat exchanger 4, with the radiating strength of adjusting intercooler 1, controllability is strong, the inlet air temperature of adjustment engine that can be more accurate, thereby in traditional forced air cooling mode has been solved, the uncontrollable problem of the inlet air temperature of engine.
In the present embodiment, the cooling liquid is described as an example of cooling water, but in other embodiments, the cooling liquid may be cooling oil or the like. Wherein, intercooler 1 can glue in the inside of header tank 2 through sealed glue of high temperature resistance, guarantees in the test process that intercooler 1 can not drop from header tank 2.
Optionally, the intercooler heat dissipation device in this embodiment further includes a proportional valve 33 installed on the pipe assembly 3, the proportional valve 33 is a three-way split proportional valve installed on the pipe assembly 3 and located between the liquid pump 5 and the heat exchanger 4, the proportional valve 33 has an inlet, a first outlet, and a second outlet, the inlet of the proportional valve 33 is connected to the liquid outlet of the liquid pump 5, the first outlet of the proportional valve 33 is connected to one end of the heat exchanger 4, and the second outlet of the proportional valve 33 is connected to the liquid inlet of the liquid pump 5. The cooling water flowing out of the liquid collecting tank 2 is pressurized by the liquid pump 5, flows into the proportional valve 33 from the inlet of the proportional valve 33, then flows out in two paths through two outlets of the proportional valve 33, wherein one path flows to the heat exchanger 4, and the other path flows back to the liquid inlet of the liquid pump 5. The proportional valve 33 can change the water outlet proportion of the first outlet and the second outlet according to a set proportion, and on the premise that other conditions are not changed, the flow of high-temperature cooling water in the liquid collecting tank 2 entering the heat exchanger 4 can be increased by increasing the water outlet proportion of the first outlet in the proportional valve 33 and simultaneously reducing the water outlet proportion of the second outlet in the proportional valve 33, so that the flow of low-temperature cooling water output after heat dissipation through the heat exchanger 4 is larger, the flow of cooling water of the nozzle 32 is larger, and the heat dissipation performance of the whole intercooler heat dissipation device is improved; through reducing the water outlet proportion of the first outlet in the proportional valve 33 and increasing the water outlet proportion of the second outlet in the proportional valve 33, more high-temperature cooling water is made to flow back, the high-temperature water flow entering the heat exchanger 4 is reduced, and then the low-temperature cooling water flow output is made to be small, so that the cooling water flow of the nozzle 32 is made to be small, and the heat dissipation performance of the whole intercooler heat dissipation device is reduced. Therefore, the heat dissipation performance of the intercooler heat dissipation device can be accurately adjusted by controlling the opening of the proportional valve 33, so that the heat dissipation performance of the intercooler heat dissipation device meets the test requirements.
Optionally, the intercooler cooling device in this embodiment further includes an electronic control system 7, where the electronic control system 7 includes a temperature sensor and a control module, the temperature sensor is used to detect an intake air temperature of the engine, and the control module is used to adjust an opening degree of the proportional valve 33 according to the intake air temperature of the engine. The control module and the temperature sensor form temperature closed-loop control, the air inlet temperature of the engine is detected through the temperature sensor, and then the opening degree of the proportional valve 33 is automatically adjusted according to the detected air inlet temperature so as to ensure that the air inlet temperature of the engine meets the requirement. The proportional valve 33 in this embodiment may also be an electronic valve with a control module, and the temperature sensor, the control module in the proportional valve 33 and the liquid pump 5 may be communicated with each other through a corresponding communication system. Liquid pump 5, nozzle 32, proportional valve 33, control module and temperature sensor have constituteed temperature control system, can be according to the temperature automatically regulated nozzle 32 flow that admits air of engine, through the intake temperature of circulating water-cooling's mode stable engine, applicable in all operating modes of engine, compare in traditional air-cooled mode, degree of automation is high, the cooling efficiency manuscript, control are more accurate.
Optionally, the intercooler heat abstractor in this embodiment is equipped with the drain outlet at the lower terminal surface of header tank 2, and the liquid inlet pipeline of pipeline assembly 3 is vertical direction and is connected to the drain outlet. The leakage fluid dram is located the lower terminal surface of header tank 2 and can avoid water to reserve in header tank 2 is inside to guarantee that whole cooling water can both leave header tank 2. The liquid inlet pipeline of the pipeline assembly 3 is vertical and can also avoid water from remaining in the pipeline, so that the overall circulation efficiency is increased.
Optionally, the heat exchanger 4 in this embodiment includes a casing, a coolant inlet and a coolant outlet, a heat dissipation pipeline is communicated between the liquid inlet pipeline and the liquid outlet pipeline, the heat dissipation pipeline is located in the casing, externally-conveyed cooling water enters the casing of the heat exchanger 4 through the coolant inlet, and the externally-conveyed cooling water flows out through the coolant outlet after exchanging heat with high-temperature cooling water in the pipeline assembly 3. In other embodiments, other heat exchangers may be used, such as larger area heat sinks coupled with fans, etc.
Optionally, in the intercooler cooling device in this embodiment, the two sides of the liquid collecting tank 2 are both provided with the injection pipes 31 to cool the two side surfaces of the intercooler 1. Wherein, the two injection pipes 31 may be disposed in parallel to each other to simultaneously radiate heat from both side surfaces of the intercooler 1. As shown in fig. 2, two sides of the header tank 2 are respectively provided with an injection pipeline 31, when the intercooler 1 needs to dissipate heat, the two injection pipelines 31 on the two sides of the header tank 2 spray water to the two sides of the intercooler 1 in the header tank 2 at the same time, so as to cool and dissipate the surfaces of the two sides of the intercooler 1, so that the two sides of the intercooler 1 dissipate heat at the same time, and the heat dissipation efficiency is improved. In other embodiments, the number of injection pipes 31 may be other, such as four, with two parallel injection pipes 31 on each side of the header tank 2, etc.
Optionally, as shown in fig. 1 and fig. 2, in the intercooler heat sink in this embodiment, a manual valve 34 is disposed at a connection between two injection pipes 31 on the pipe assembly 3, and the manual valve 34 may be controlled to close or open according to the cooling requirement, so as to reduce the flow rate of the cooling water injected to the intercooler 1. For example, as shown in fig. 2, one injection pipe 31 is provided at each side of the header tank 2, and when the manual valve 34 is opened, the injection pipes 31 at both ends of the manual valve 34 are supplied with cooling water to normally radiate heat from the intercooler 1. After the manual valve 34 is closed, there is a spray pipe 31 into which no cooling water enters, which is equivalent to reducing the flow rate of the cooling water by half, and the heat dissipation efficiency of the intercooler 1 can be reduced, and therefore, the control of the manual valve 34 can be used as a means for adjusting the heat dissipation efficiency.
Optionally, as shown in fig. 1 and fig. 2, in the intercooler cooling device in this embodiment, a filter 35 is disposed in a liquid inlet pipeline of the pipeline assembly 3, so that impurities in the liquid collecting tank 2 are prevented from entering the pipeline assembly 3, so as to reduce pipeline blockage caused by the impurities entering the pipeline, and ensure that the whole water circulation process is smooth.
Optionally, as shown in fig. 4 to 6, the intercooler heat dissipation device in this embodiment further includes a frame 6, the header tank 2, the pipeline assembly 3, the electronic control system 7, and the liquid pump 5 are all installed in a space enclosed by the frame 6, an opening 61 for connecting the intercooler 1 with the test engine is reserved on the frame 6, a universal wheel 64 is arranged at the lower end of the frame 6, the frame 6 can be pushed as required to drive the entire intercooler heat dissipation device to move to a desired position, and the connection end of the two engines of the intercooler 1 extends out of the opening 61 on the frame 6 and is connected with the test engine. The electric control system 7 can be arranged above the heat exchanger 4, so that the compactness of the cooler circulating and radiating device is ensured, and the size of the whole cooler circulating and radiating device is reduced.
Alternatively, as shown in fig. 4 and 5, the frame 6 includes a plurality of square pipes 62 fixed to each other, and the header tank 2, the liquid pump 5, and the heat exchanger 4 may be fixed to the corresponding square pipes 62. Wherein, collecting tank 2 can be through bolt fastening to square 62 of tubes on, and liquid pump 5, heat exchanger 4 can be through bolt fastening on the square 62 of 6 bottoms of frame, according to collecting tank 2 and liquid pump 5, the actual size of heat exchanger 4 design square 62 of tubes on the screw position can, guarantee cooler circulation heat abstractor's steadiness.
Optionally, as shown in fig. 4 and 5, the frame 6 further includes a side plate located outside the square tube 62, the square tube 62 fixed to each other and the side plates enclose and combine to form the frame 6, and the header tank 2, the pipe assembly 3, the electronic control system 7, and the liquid pump 5 are all installed in a space enclosed by the frame 6, so as to prevent foreign objects from entering the frame 6 and interfering with each component in the test process. Wherein, the curb plate can be hole board 63, and hole board 63 can improve the thermal diffusivity of each part in the frame 6, under the prerequisite of guaranteeing the thermal diffusivity, hole board 63 still blocks that the foreign matter takes place to interfere with each part in getting into frame 6.
Optionally, the pipelines on the pipeline assembly 3, the nozzles 32 on the injection pipeline 31, the proportional valve 33, the manual valve 34, the filter 35 and the heat exchanger 4 are connected together through internal and external thread matching, and the stability of the intercooler heat dissipation device is ensured.
Optionally, the upper end face of the liquid collecting tank 2 is provided with a handle, when the liquid collecting tank 2 is installed on the frame 6, a user can grasp the handle on the liquid collecting tank 2, and the liquid collecting tank 2 is placed in the frame 6, so that the liquid collecting tank is convenient to install and detach.
Optionally, a photoelectric liquid level switch may be installed at the bottom of the intercooler 1 to detect and control the cooling water level of the intercooler 1, so as to protect the engine.
The operating principle of the intercooler heat dissipation device in this embodiment is as follows:
before the engine needs to be subjected to bench test, the frame 6 is pushed to a bench test site, and the end part of the intercooler 1 is correspondingly connected to the engine. In the process of the bench test, the temperature of the intercooler 1 is gradually increased until the air inlet of the engine is difficult to be effectively radiated, so that the air inlet temperature of the engine is overhigh. When a temperature sensor in the electronic control system 7 detects that the inlet air temperature of the engine exceeds a threshold value, the liquid pump 5 communicated with the electronic control system 7 is started, and the control module controls the opening degree of the appropriate proportional valve 33, so that a proper amount of cooling water passes through the heat exchanger 4 after passing through the pipeline assembly 3, then flows into the plurality of injection pipelines 31 after being cooled, finally is injected into the header tank 2 from the plurality of nozzles 32 on the injection pipelines 31, is injected on the surface of the intercooler 1, and exchanges heat with the intercooler 1 to realize cooling and heat dissipation of the intercooler 1. The high-temperature cooling water after heat exchange with the intercooler 1 flows to the bottom of the liquid collecting tank 2, flows into the pipeline assembly 3 from a liquid outlet on the lower end surface of the liquid collecting tank 2, is pressurized by the liquid pump 5 and then enters the inlet of the proportional valve 33 again, a part of the cooling water enters the heat exchanger 4 through the first outlet of the proportional valve 33 to exchange heat with the cooling water in the heat exchanger 4, and enters the injection pipeline 31 in the form of low-temperature cooling water after heat exchange to repeat the heat dissipation process; and the other part of water flows back to the liquid inlet of the liquid pump 5 through the second outlet of the proportional valve 33, is mixed with the water flowing out of the liquid collecting tank 2 and enters the proportional valve 33 again, and the shunting and heat dissipation process is continued. In the circulating heat dissipation process, the temperature sensor feeds back the air inlet temperature of the engine in real time, and the control module adjusts the opening degree of the three proportional valves 33 in real time according to the temperature signal of the temperature sensor, so that a proper amount of cooling water flow enters the injection pipeline 31 and the intercooler 1 is cooled, and the air inlet temperature of the engine is stabilized.
In conclusion, the intercooler heat dissipation device in the implementation can accurately control the heat dissipation efficiency, and the automation degree is high. In addition, the cooling efficiency of intercooler 1 has been greatly increased to the mode of introducing water-cooling, can guarantee that the inlet air temperature among the bench test process satisfies the requirement all the time, has solved among the traditional forced air cooling mode, the uncontrollable problem of inlet air temperature of engine.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an intercooler heat abstractor for dispel the heat to the experimental intercooler of engine rack, its characterized in that includes:
the body of the intercooler is arranged in the liquid collecting tank;
the pipeline assembly comprises a liquid inlet pipeline and a liquid outlet pipeline communicated with the liquid inlet pipeline, the liquid inlet pipeline is connected to the liquid collecting tank, the liquid outlet pipeline is connected with a plurality of injection pipelines, and each injection pipeline is provided with a plurality of nozzles communicated to the interior of the liquid collecting tank;
the heat exchanger is arranged between the liquid inlet pipeline and the liquid outlet pipeline and used for dissipating heat of the cooling liquid in the pipelines;
and the liquid pump is arranged on the liquid inlet pipeline.
2. An intercooler heat sink in accordance with claim 1, further comprising a proportional valve mounted on the conduit, the proportional valve having an inlet connected to the liquid outlet of the liquid pump, a first outlet connected to one end of the heat exchanger, and a second outlet connected to the liquid inlet of the liquid pump.
3. An intercooler heat sink according to claim 2, further comprising an electronic control system including a temperature sensor for sensing an intake air temperature of the engine and a control module for adjusting the opening of the proportional valve according to the intake air temperature.
4. An intercooler heat dissipation device as defined in claim 1, wherein a drain port is provided on a lower end surface of the header tank, and the liquid inlet pipe is connected to the drain port in a vertical direction.
5. The intercooler heat dissipation device according to claim 1, wherein the heat exchanger comprises a housing, a coolant inlet and a coolant outlet, a heat dissipation pipe is communicated between the liquid inlet pipe and the liquid outlet pipe, and the heat dissipation pipe is located in the housing.
6. An intercooler heat sink according to claim 1, wherein the spray pipes are provided on both sides of the header tank.
7. An intercooler heat sink according to claim 2, wherein a manual valve is provided at a junction between the two injection pipes.
8. An intercooler heat sink according to any one of claims 1 to 7, wherein the inlet duct is provided with a filter.
9. The intercooler heat dissipation device according to any one of claims 1 to 7, further comprising a frame, wherein the header tank, the pipe assembly and the liquid pump are installed in a space defined by the frame, and an opening through which an engine connection end of the intercooler extends is reserved in the frame.
10. An intercooler heat sink according to claim 9, wherein the frame comprises a plurality of mutually fixed square tubes, the header tank and the liquid pump and the heat exchanger being fixed to the respective square tubes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011390302.6A CN114575991A (en) | 2020-12-02 | 2020-12-02 | Intercooler heat abstractor |
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| CN202011390302.6A CN114575991A (en) | 2020-12-02 | 2020-12-02 | Intercooler heat abstractor |
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| CN114575991A true CN114575991A (en) | 2022-06-03 |
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Application publication date: 20220603 |