CN217681969U - Integrated water-cooled intercooler and engine - Google Patents

Integrated water-cooled intercooler and engine Download PDF

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CN217681969U
CN217681969U CN202221705176.3U CN202221705176U CN217681969U CN 217681969 U CN217681969 U CN 217681969U CN 202221705176 U CN202221705176 U CN 202221705176U CN 217681969 U CN217681969 U CN 217681969U
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chamber
cooling
water
air
cooled intercooler
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郅佳旺
李长龙
徐增密
牛鸿斌
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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Abstract

The application discloses integrated water-cooled intercooler and engine belongs to cooling system technical field, integrated water-cooled intercooler includes the heat dissipation core, heat dissipation core one end with go out the air chamber intercommunication, the other end and EGR inlet chamber and the parallelly connected intercommunication of well cold inlet chamber, the heat dissipation core is including the casing that has the cooling chamber and the air channel and the liquid passageway of crossing that are located the cooling intracavity, EGR inlet chamber and well cold inlet chamber and the air channel intercommunication of crossing, integrated water-cooled intercooler still includes with the inlet tube and the outlet pipe of crossing the liquid passageway intercommunication. Through with heat dissipation core one end with go out the air chamber intercommunication, and the other end and EGR air inlet chamber and the parallelly connected intercommunication of well cold air inlet chamber, reduced a plurality of pipelines and needed to carry out the sealed risk that leads to sealed department to leak of interface, improve whole cooling system's leakproofness and job stabilization nature, and an intercooler alright realize the cooling of two gas lines, realized functional integration, occupation space can reduce, and then provides probably for the miniaturization of engine.

Description

Integrated water-cooled intercooler and engine
Technical Field
The application belongs to the technical field of cooling systems, and particularly relates to an integrated water-cooled intercooler and an engine.
Background
Along with the strict emission regulations, the reliability of parts is improved, and an intercooler and an EGR cooler of a gasoline engine are popularized on the oil engine, so that the aims of reducing the exhaust emission and the oil consumption are fulfilled.
The existing engine intercooler and EGR cooler both need a large amount of pipelines to connect a water channel and a gas channel to realize a gas cooling area, on one hand, the risk of leakage at a sealed part due to the fact that a plurality of pipelines need to be sealed at interfaces is avoided, and the situation that the working of the whole engine is influenced by the fact that the cooling effect is reduced or even the cooling is invalid due to the fact that the sealed leakage occurs at the pipeline interfaces is avoided; on the other hand, too many pipelines lead to more internal parts of the engine, so that the whole occupied space of the engine is enlarged, the working hours of integral assembly can be increased, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The application provides an integrated water-cooled intercooler and engine to solve at least one technical problem among the above-mentioned technical problem.
The technical scheme adopted by the application is as follows:
an integrated water-cooled intercooler comprises a heat dissipation core body, wherein one end of the heat dissipation core body is communicated with an air outlet chamber, the other end of the heat dissipation core body is communicated with an EGR (exhaust gas recirculation) air inlet chamber and an intercooling air inlet chamber in parallel, the heat dissipation core body comprises a shell with a cooling cavity, an air passing channel and a liquid passing channel, the air passing channel and the liquid passing channel are positioned in the cooling cavity, the EGR air inlet chamber and the intercooling air inlet chamber are communicated with the air passing channel, and the integrated water-cooled intercooler further comprises a water inlet pipe and a water outlet pipe which are communicated with the liquid passing channel.
The integrated water-cooled intercooler in the present application further has the following additional technical features:
and cooling pipelines communicated with the EGR inlet chamber and the outlet chamber and the intercooling inlet chamber and the outlet chamber are arranged in the cooling cavity, the cooling pipelines form the gas passing channel, and gaps among the cooling pipelines form the liquid passing channel.
The water inlet pipe is located at the bottom end of the shell, the water outlet pipe is located at the top end of the shell, the water inlet pipe is located on one side close to the air outlet chamber, and the water outlet pipe is located on one side of the intercooling air inlet chamber.
The cooling intracavity is equipped with the intercommunication the inlet tube with the overflow pipe of outlet pipe, the overflow pipe constitutes cross the liquid passageway, clearance between the overflow pipe forms cross the liquid passageway.
The cooling cavity is further internally provided with a partition plate, the partition plate divides the cooling cavity into a first cooling cavity and a second cooling cavity, the first cooling cavity is communicated with the EGR inlet chamber and the EGR outlet chamber, and the second cooling cavity is communicated with the intercooling inlet chamber and the EGR outlet chamber.
The flow pipe winds and extends in the cooling cavity.
The integrated water-cooled intercooler further comprises a control device, a temperature sensor connected with the control device is arranged in the air outlet chamber, the integrated water-cooled intercooler further comprises a water pump communicated with the water inlet pipe, and the control device can control the rotating speed of the water pump according to the temperature measured by the temperature sensor.
The application also includes an engine applying the integrated water-cooled intercooler as described above.
Due to the adoption of the technical scheme, the beneficial effects obtained by the application are as follows:
1. according to the integrated water-cooled intercooler, one end of the heat dissipation core is communicated with the air outlet chamber, and the other end of the heat dissipation core is communicated with the EGR air inlet chamber and the intercooling air inlet chamber in parallel, compared with the traditional mode that the EGR cooler and the water-cooled intercooler are required to be cooled by connecting pipelines with a water path and a gas path, on one hand, the risk that the sealed positions of a plurality of pipelines are leaked due to the fact that the interfaces are required to be sealed is reduced, the number of the interfaces is reduced, the sealing performance and the working stability of the whole cooling system are improved, the situation that the working of the whole intercooler is affected by the fact that the cooling effect is reduced or even the cooling failure occurs due to the sealing leakage at the pipeline interfaces is avoided, and the working stability of the whole intercooler is improved; on the other hand, the intercooler can realize the cooling of two gas pipelines, functional integration is realized, the number of parts in the engine is greatly reduced, the internal structure is more compact, the occupied space of the engine is reduced, the possibility of miniaturization of the engine is further provided, the assembly efficiency can be improved, the assembly time is shortened, and the production cost is reduced. In addition, the reduction of the pipelines and the pipeline interfaces can also improve the overall aesthetic property of the engine, and the use experience of a user is pleased.
2. As a preferred embodiment of this application, through be equipped with the intercommunication in the cooling chamber EGR air intake chamber with go out air chamber and intercommunication intercooling air intake chamber with go out the cooling tube of air chamber, cooling tube constitutes cross the gas passage, just clearance between the cooling tube forms cross the liquid passageway for gas and the gas that intercooling air intake chamber got into the cooling chamber in through EGR air intake chamber separate at the cooling chamber, and thereby realize the separation of waste gas and pressure boost back air through occupying different cooling tubes, and after cooling chamber cooling, get into in the combustion chamber after going out the air chamber and mixing, avoid waste gas and pressure boost back air not just through the cooling to lead to the condition that cooling efficiency reduces and waste gas and air take place the reaction and influence the engine and normally work at the cooling.
3. As a preferred embodiment of this application, through inciting somebody to action the inlet tube sets up to being located the bottom of casing, the outlet pipe is located the top of casing, just the inlet tube is located and is close to one side of giving vent to anger the room, the outlet pipe is located well cold inlet chamber one side for rivers can just can reach the intraductal cooling chamber that discharges of outlet pipe through longer route after entering into the cooling chamber through the inlet tube, so that rivers can realize surrounding the cooling to cooling pipe as much as possible, improve cooling efficiency, reduce the consumption.
4. As an preferred embodiment of this application, through be equipped with the intercommunication in the cooling chamber the inlet tube with the overflow pipe of outlet pipe, just the overflow pipe constitutes the liquid passageway, clearance between the overflow pipe forms the liquid passageway is crossed for rivers can flow according to the flow direction of overflow pipe, avoid rivers to form the condition that the turbulent flow leads to the cooling effect variation in the cooling chamber, guarantee the cooling effect in cooling chamber.
5. As a preferred embodiment of this application, through set up the baffle in the cooling chamber, just the baffle will the cooling chamber is separated for first cooling chamber and second cooling chamber, first cooling chamber intercommunication EGR air inlet chamber with go out the air chamber, second cooling chamber intercommunication intercooling air inlet chamber with go out the air chamber for gas that gets into the cooling intracavity through EGR air inlet chamber and the gas that intercooling air inlet chamber got into the cooling intracavity separate at the cooling intracavity, and after cooling chamber cooling, get into in the combustion chamber after going out the air chamber and mixing, avoid waste gas and behind the pressure boost air not just through the cooling just leading to the cooling efficiency to reduce and waste gas and the condition that the air takes place the reaction and influence the engine normal work in the cooling efficiency.
6. As a preferred embodiment of the present application, the flow pipe is arranged in the cooling cavity in a winding extending manner, so that the length of the flow pipe in the cooling cavity is prolonged, the retention time of the water flow in the cooling cavity is prolonged, and the cooling efficiency is improved.
7. As an preferred embodiment of this application, through be equipped with in the air outlet room with the temperature sensor that controlling means connects, integrated water-cooled intercooler still include with the water pump of inlet tube intercommunication, controlling means can be according to temperature sensor records temperature control the water pump rotational speed to when realizing the inlet air temperature height, controlling means control water pump adds power, and then increases cooling water flow, and the heat dissipation power also correspondingly improves, when the inlet air temperature is high, controlling means control water pump reduce power, and then reduces cooling water flow, and the heat dissipation power also correspondingly reduces, has solved the high and low temperature in winter of heat dissipation power demand in summer, the difficult problem of starting.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic diagram of an integrated water-cooled intercooler according to an embodiment of the present disclosure.
Wherein,
1-an EGR intake chamber; 2-intercooling air inlet chamber; 3-water inlet pipe; 4-an air outlet chamber; 5-a heat dissipation core; 6-water outlet pipe.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In an embodiment of the application, an integrated water cooled intercooler and engine is provided. For ease of illustration and understanding, the following description is provided in the context of the illustrated product structure. Of course, it is understood by those skilled in the art that the above-described structure is only used as a specific example and illustrative illustration, and does not constitute a specific limitation to the technical solution provided by the present application.
As shown in fig. 1, an integrated water-cooled intercooler comprises a heat dissipation core body 5, wherein one end of the heat dissipation core body 5 is communicated with an air outlet chamber 4, the other end of the heat dissipation core body is communicated with an EGR inlet chamber 1 and an intercooling inlet chamber 2 in parallel, the heat dissipation core body 5 comprises a shell with a cooling cavity, and an air passing channel and a liquid passing channel which are located in the cooling cavity, the EGR inlet chamber 1 and the intercooling inlet chamber 2 are communicated with the air passing channel, and the integrated water-cooled intercooler further comprises an inlet pipe 3 and an outlet pipe 6 which are communicated with the liquid passing channel.
According to the integrated water-cooled intercooler, one end of the heat dissipation core body 5 is communicated with the air outlet chamber 4, and the other end of the heat dissipation core body is communicated with the EGR inlet chamber 1 and the intercooling inlet chamber 2 in parallel, compared with a traditional mode that the EGR cooler and the water-cooled intercooler need pipelines to be connected with a water path and a gas path for cooling, on one hand, the risk that the sealing parts of a plurality of pipelines need to be sealed is reduced, the number of the interfaces is reduced, the sealing number of the interfaces is further reduced, the sealing performance and the working stability of the whole cooling system are improved, the situation that the working of the whole intercooler is affected by the reduction of the cooling effect and even the cooling failure caused by the sealing leakage at the interfaces of the pipelines is avoided, and the working stability of the whole intercooler is improved; on the other hand, the intercooler can realize the cooling of two gas pipelines, functional integration is realized, the number of parts in the engine is greatly reduced, the internal structure is more compact, the occupied space of the engine is reduced, the possibility of miniaturization of the engine is further provided, the assembly efficiency can be improved, the assembly time is shortened, and the production cost is reduced. In addition, the reduction of the pipelines and the pipeline interfaces can also improve the overall aesthetic property of the engine, and the use experience of a user is pleased.
It should be noted that, the structure of the air passing channel and the liquid passing channel is not specifically limited in the present application, and may be any one of the following embodiments:
example 1: as shown in fig. 1, in this embodiment, cooling pipes are disposed in the cooling cavity to communicate the EGR inlet chamber 1 with the EGR outlet chamber 4 and to communicate the intercooling inlet chamber 2 with the EGR outlet chamber 4, and the cooling pipes form the air passing channel, and a gap between the cooling pipes forms the liquid passing channel.
Through be equipped with the intercommunication in the cooling chamber EGR air inlet chamber 1 with go out air chamber 4 and intercommunication intercooling air inlet chamber 2 with go out the cooling tube of air chamber 4, cooling tube constitutes cross the gas passage, just clearance between the cooling tube forms cross the liquid passageway for gas that gets into in the cooling chamber through EGR air inlet chamber 1 and the gas that intercooling air inlet chamber 2 got into in the cooling chamber separate at the cooling chamber, thereby realize the separation of waste gas and pressure boost back air through occupying different cooling tubes, and after cooling through the cooling chamber, in going out the air chamber 4 and mixing back entering combustion chamber, avoid waste gas and pressure boost back air not just cooling down the condition that the inside mixture leads to cooling efficiency to reduce and waste gas and air to take place the reaction and influence the engine normal work.
It should be further noted that, the present application does not specifically limit the positions of the water inlet pipe 3 and the water outlet pipe 6, and as a preferred embodiment of the present application, as shown in fig. 1, the water inlet pipe 3 is located at the bottom end of the housing, the water outlet pipe 6 is located at the top end of the housing, the water inlet pipe 3 is located at a side close to the air outlet chamber 4, and the water outlet pipe 6 is located at a side of the intercooling air inlet chamber 2.
Through inciting somebody to action inlet tube 3 sets up to being located the bottom of casing, outlet pipe 6 is located the top of casing, just inlet tube 3 is located and is close to go out one side of air chamber 4, outlet pipe 6 is located 2 one side of well cold air inlet chamber for rivers can just can reach the cooling chamber of discharging in the outlet pipe 6 through longer route after entering into the cooling chamber through inlet tube 3, so that rivers can realize encircleing the cooling to as much as possible cooling pipe, improve cooling efficiency, reduce the consumption.
Example 2: in this embodiment, the cooling cavity is provided with an overflow pipe communicating the water inlet pipe 3 and the water outlet pipe 6, the overflow pipe forms the liquid passing channel, and a gap between the overflow pipes forms the liquid passing channel.
Through be equipped with the intercommunication in the cooling chamber inlet tube 3 with the overflow pipe of outlet pipe 6, just the overflow pipe constitutes cross the liquid passageway, clearance between the overflow pipe forms cross the liquid passageway for rivers can flow according to the flow direction of overflow pipe, avoid rivers to form the condition that the turbulent flow leads to the cooling effect variation in the cooling chamber, guarantee the cooling effect in cooling chamber.
Furthermore, a partition plate is further arranged in the cooling cavity, the partition plate divides the cooling cavity into a first cooling cavity and a second cooling cavity, the first cooling cavity is communicated with the EGR inlet chamber 1 and the EGR outlet chamber 4, and the second cooling cavity is communicated with the intercooling inlet chamber 2 and the EGR outlet chamber 4.
The partition plate is arranged in the cooling cavity and divides the cooling cavity into the first cooling cavity and the second cooling cavity, the first cooling cavity is communicated with the EGR inlet chamber 1 and the EGR outlet chamber 4, the second cooling cavity is communicated with the intercooling inlet chamber 2 and the EGR outlet chamber 4, so that gas entering the cooling cavity through the EGR inlet chamber 1 and gas entering the cooling cavity through the intercooling inlet chamber 2 are separated in the cooling cavity, and are cooled by the cooling cavity and then enter the combustion chamber after being mixed in the EGR outlet chamber 4, and the situations that the cooling efficiency is reduced and the normal operation of an engine is influenced due to the fact that the waste gas and pressurized air are cooled and then mixed inwards without being cooled are avoided.
It should be noted that the structure of the flow-through pipe in this embodiment is not particularly limited, and as a preferred feature of the present invention, the flow-through pipe extends in a meandering manner in the cooling chamber.
Through with the overflow pipe in the form that the cooling intracavity set up to meander extension for the length extension of overflow pipe in the cooling intracavity has then prolonged the dwell time of rivers in the cooling intracavity, and then has improved cooling efficiency.
As a preferred embodiment of this application, integrated water-cooled intercooler still includes controlling means, go out the indoor being equipped with the temperature sensor that controlling means connects of air outlet, integrated water-cooled intercooler still include with the water pump of 3 intercommunications of inlet tube, controlling means can be according to temperature sensor measures temperature control the water pump rotational speed.
Through in air outlet chamber 4 be equipped with the temperature sensor that controlling means connects, integrated water-cooled intercooler still include with the water pump of inlet tube 3 intercommunication, controlling means can be based on temperature sensor records temperature control the water pump rotational speed to when realizing that the inlet air temperature is high, controlling means control water pump adds power, and then increaseing cooling water flow, the radiating power also correspondingly improves, when the inlet air temperature is high, controlling means control water pump reduce power, and then reduce cooling water flow, the radiating power also correspondingly reduces, it is high and winter temperature is low to have solved summer radiating power demand, the problem of difficult start-up.
As a preferred embodiment of the present application, the present application further includes an engine using the integrated water-cooled intercooler as described above, and it should be noted that, since the engine provided by the present application includes the integrated water-cooled intercooler in any one of the above embodiments, beneficial effects of the integrated water-cooled intercooler are all included in the engine provided by the present application, and are not described herein again.
Where not mentioned in this application, can be accomplished using or referencing existing technology.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (8)

1. An integrated water-cooled intercooler is characterized by comprising a heat dissipation core body, wherein one end of the heat dissipation core body is communicated with an air outlet chamber, the other end of the heat dissipation core body is communicated with an EGR (exhaust gas recirculation) air inlet chamber and an intercooling air inlet chamber in parallel, the heat dissipation core body comprises a shell with a cooling cavity, and an air passing channel and a liquid passing channel which are positioned in the cooling cavity, the EGR air inlet chamber and the intercooling air inlet chamber are communicated with the air passing channel, and the integrated water-cooled intercooler further comprises a water inlet pipe and a water outlet pipe which are communicated with the liquid passing channel.
2. The integrated water-cooled intercooler according to claim 1, wherein cooling pipes communicating the EGR inlet chamber and the outlet chamber and communicating the intercooler inlet chamber and the outlet chamber are disposed in the cooling chamber, the cooling pipes forming the air passing passage, and a gap between the cooling pipes forming the liquid passing passage.
3. The integrated water-cooled intercooler according to claim 2, wherein the water inlet pipe is located at a bottom end of the housing, the water outlet pipe is located at a top end of the housing, the water inlet pipe is located at a side close to the air outlet chamber, and the water outlet pipe is located at a side of the intercooler inlet chamber.
4. The integrated water-cooled intercooler according to claim 1, wherein an overflow pipe communicating the water inlet pipe and the water outlet pipe is arranged in the cooling chamber, the overflow pipe forms the liquid passing channel, and a gap between the overflow pipes forms the liquid passing channel.
5. The integrated water-cooled intercooler according to claim 4, wherein a partition is further disposed in the cooling cavity, the partition dividing the cooling cavity into a first cooling cavity and a second cooling cavity, the first cooling cavity communicating the EGR inlet chamber and the outlet chamber, and the second cooling cavity communicating the intercooling inlet chamber and the outlet chamber.
6. The integrated water-cooled intercooler according to claim 4, wherein the flow pipe meanders in the cooling chamber.
7. The integrated water-cooled intercooler according to claim 1, further comprising a control device, wherein a temperature sensor connected to the control device is disposed in the air outlet chamber, the integrated water-cooled intercooler further comprises a water pump communicated with the water inlet pipe, and the control device controls a rotation speed of the water pump according to a temperature measured by the temperature sensor.
8. An engine comprising an integrated water-cooled intercooler according to any one of claims 1-7.
CN202221705176.3U 2022-07-04 2022-07-04 Integrated water-cooled intercooler and engine Active CN217681969U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221705176.3U CN217681969U (en) 2022-07-04 2022-07-04 Integrated water-cooled intercooler and engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221705176.3U CN217681969U (en) 2022-07-04 2022-07-04 Integrated water-cooled intercooler and engine

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CN217681969U true CN217681969U (en) 2022-10-28

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