CN211598812U - Cooling system - Google Patents
Cooling system Download PDFInfo
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- CN211598812U CN211598812U CN201922278923.4U CN201922278923U CN211598812U CN 211598812 U CN211598812 U CN 211598812U CN 201922278923 U CN201922278923 U CN 201922278923U CN 211598812 U CN211598812 U CN 211598812U
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Abstract
The utility model belongs to the technical field of the engine, concretely relates to cooling system. The cooling system includes: the first cooling circuit comprises a first water pump, a cylinder water jacket and a high-temperature radiator which are connected in series; a second cooling circuit including a second water pump, a low temperature radiator, and a turbocharger connected in series. According to the utility model discloses a cooling system cools off the temperature in order to reduce the cylinder body through first cold return circuit to the cylinder body water jacket, cools off turbo charger through second cooling circuit to reduce the inlet air temperature, two cooling circuit mutually independent do not influence each other, avoid the too big condition that influences inlet air temperature of engine cylinder sleeve temperature, make inlet air temperature can satisfy the demand of admitting air.
Description
Technical Field
The utility model belongs to the technical field of the engine, concretely relates to cooling system.
Background
In the prior art, in order to avoid overhigh temperature when the engine runs, a cooling system is usually arranged in the engine, and the engine is cooled through the cooling system, so that the engine is ensured to run at a proper temperature. In the existing cooling system, an engine cylinder sleeve and a turbocharger are usually arranged in one cooling circuit, the engine cylinder sleeve and the turbocharger are connected in parallel in the cooling circuit, the cooling effect of turbocharging is reduced due to the fact that the temperature of the engine cylinder sleeve is too high, and the requirement of air inlet temperature cannot be met due to the fact that the temperature of air passing through the turbocharger is too high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing cooling circuit causes the air inlet temperature to be too high. The purpose is realized by the following technical scheme:
the utility model provides a cooling system, cooling system includes: the first cooling circuit comprises a first water pump, a cylinder water jacket and a high-temperature radiator which are connected in series; a second cooling circuit including a second water pump, a low temperature radiator, and a turbocharger connected in series; and the water tank is connected with the first cooling loop and the second cooling loop.
According to the utility model discloses cooling system cools off the temperature in order to reduce the cylinder body through first cold circuit to the cylinder body water jacket, cools off turbo charger through second cooling circuit to reduce the inlet air temperature, two cooling circuit mutually independent do not influence each other, avoid the too big condition that influences inlet air temperature of engine cylinder sleeve temperature, make inlet air temperature can satisfy the demand of admitting air.
In addition, according to the cooling system of the embodiment of the present invention, the following technical features may also be provided:
in some embodiments of the present invention, the cooling system further comprises a water tank, the water tank comprises a first water storage cavity and a second water storage cavity, the first water storage cavity is independent of the second water storage cavity, the first water storage cavity is connected to the first cooling circuit, and the second water storage cavity is connected to the second cooling circuit.
In some embodiments of the present invention, the first water pump is used for being connected to an engine transmission, and the first water pump is a mechanical water pump.
In some embodiments of the present invention, the second water pump is an electronic water pump.
In some embodiments of the present invention, the cooling system further comprises a valve body for communicating the first cooling circuit with the second cooling circuit.
In some embodiments of the present invention, the first cooling circuit further comprises an oil cooling pump connected in parallel to the cylinder water jacket.
In some embodiments of the present invention, the first cooling circuit further comprises a warm core of an air conditioner connected in parallel to the cylinder water jacket.
In some embodiments of the present invention, the first cooling circuit further comprises a thermostat, the thermostat being connected in series between the cylinder jacket and the high temperature radiator.
In some embodiments of the present invention, the second cooling circuit further comprises an intercooler, the intercooler being connected in parallel to the turbocharger.
In some embodiments of the invention, the second cooling circuit further comprises an EGR cooler connected in parallel to the turbocharger.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 is a schematic view of a cooling system according to an embodiment of the present invention.
The reference symbols in the drawings denote the following:
10: first cooling circuit, 11: first water pump, 12: cylinder water jacket, 13: high-temperature heat sink, 131: fan, 14: oil cooling pump, 15: air-conditioning warm core, 16: a thermostat;
20: second cooling circuit, 21: second water pump, 22: low-temperature radiator, 23: turbocharger, 24: intercooler, 25: an EGR cooler;
30: water tank, 31: first water storage chamber, 32: a second water storage cavity;
40: a valve body.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, an embodiment of the present invention provides a cooling system, including: a first cooling circuit 10 and a second cooling circuit 20, wherein the first cooling circuit 10 includes a first water pump 11, a block water jacket 12 and a high temperature radiator 13 connected in series, and the second cooling circuit 20 includes a second water pump 21, a low temperature radiator 22 and a turbocharger 23 connected in series.
According to the utility model discloses cooling system cools off the temperature in order to reduce the cylinder body through first cold loop 10 to cylinder body water jacket 12, cools off turbo charger 23 through second cooling loop 20 to reduce the inlet air temperature, two cooling loop mutually independent do not influence each other, avoid the too big condition that influences inlet air temperature of engine cylinder sleeve temperature, make inlet air temperature can satisfy the demand of admitting air.
In some embodiments of the present invention, the cooling system further includes a water tank 30, the water tank 30 includes a first water storage cavity 31 and a second water storage cavity 32, the first water storage cavity 31 and the second water storage cavity 32 are independent from each other, the first water storage cavity 31 is connected to the first cooling circuit 10, the first water storage cavity 31 supplies water for the first cooling circuit 10, so that the first cooling circuit 10 can perform cooling circulation, the second water storage cavity 32 is connected to the second cooling circuit 20, the second water storage cavity 32 supplies water for the second cooling circuit 20, so that the second cooling circuit 20 can perform cooling circulation, and thus the first cooling circuit 10 and the second cooling circuit 20 are kept independent from each other.
In some embodiments of the present invention, the first water pump 11 is used for being connected with the engine in a transmission manner, the first water pump 11 is a mechanical water pump, when the engine stops operating, the first water pump 11 stops operating immediately, the cooling water in the first cooling circuit 10 stops flowing, and the first cooling circuit 10 no longer cools the cylinder water jacket 12, the oil cooling pump 14 or the air conditioning warm core 15.
The utility model discloses an in some embodiments, second water pump 21 is electronic water pump, and second water pump 21 does not receive the coordinated control of engine, can adjust by oneself and open or close, and when the engine shutdown, second water pump 21 can continue work. Particularly, the speed of the electronic water pump for conveying the liquid is adjustable, and the liquid can be conveyed accurately.
Further, the cooling system further comprises a valve body 40, and the valve body 40 is used for communicating the first cooling circuit 10 and the second cooling circuit 20. When the engine stops running and the temperature of the engine body is high, the valve body 40 is communicated with the first cooling circuit 10 and the second cooling circuit 20, so that cooling water in the second cooling circuit 20 enters the first cooling circuit 10, and cools the cylinder water jacket 12, the engine oil cooling pump 14 or the air-conditioning warm core 15 in the first cooling circuit 10, the temperature of the engine body is reduced, and thermal damage impact on the engine body caused by boiling or high temperature of the engine is avoided. Specifically, the valve body 40 is an electronic valve.
In some embodiments of the utility model, first cooling circuit 10 still includes oil cooling pump 14, and oil cooling pump 14 connects in parallel in cylinder body water jacket 12, and first cooling circuit 10 can also cool off oil cooling pump 14 to reduce the temperature of lubricating oil, avoid the lubricating oil high temperature, cause oil film intensity to descend, the wearing and tearing of spare part with higher speed, or cause the corresponding reduction of lubricating oil viscosity, the leakproofness reduces.
In some embodiments of the present invention, the first cooling circuit 10 further includes a warm air-conditioning core 15, the warm air-conditioning core 15 is connected in parallel to the cylinder water jacket 12, the first cooling circuit 10 can also cool the warm air-conditioning core 15, and the use of the warm air-conditioning core 15 is prevented from being affected by too high temperature.
In some embodiments of the present invention, the first cooling circuit 10 further comprises a thermostat 16, the thermostat 16 being connected in series between the block jacket 12 and the high temperature radiator 13. The thermostat 16 automatically adjusts the amount of water entering the high temperature radiator 11 according to the temperature of the cooling water, and changes the circulation range of the cooling water to adjust the heat dissipation capacity of the first cooling circuit 10, thereby ensuring that the engine operates in a proper temperature range.
In some embodiments of the present invention, the second cooling circuit 20 further includes an intercooler 24, the intercooler 24 is connected in parallel to the turbocharger 23, the intercooler 24 is a kit of the turbocharger 23, and is used to reduce the temperature of the high-temperature gas after being pressurized by the turbocharger 23, thereby reducing the heat load of the engine. The intercooler 24 is cooled through the second cooling circuit 20, so that normal operation of the intercooler 24 can be guaranteed, and the air inlet temperature is further reduced. Specifically, the intercooler 24 is an intercooler in which water is used as a cooling medium.
In some embodiments of the present invention, the second cooling circuit 20 further comprises an EGR (Exhaust gas recirculation) cooler 25, the EGR cooler 25 being connected in parallel to the turbocharger 23. The EGR cooler is cooled through the second cooling loop 20, the working temperature of the EGR cooler is guaranteed, the temperature of the waste gas is reduced after the waste gas passes through the EGR cooler, and NO reduction is facilitated during secondary combustionXAnd (4) discharging.
In some embodiments of the present invention, the high temperature heat sink 13 is further provided with a fan 131, and the fan 131 is used for dissipating heat of the high temperature heat sink 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A cooling system, comprising:
the first cooling circuit comprises a first water pump, a cylinder water jacket and a high-temperature radiator which are connected in series;
a second cooling circuit including a second water pump, a low temperature radiator, and a turbocharger connected in series.
2. The cooling system according to claim 1, further comprising a water tank including a first water storage chamber and a second water storage chamber, the first water storage chamber and the second water storage chamber being independent of each other, the first water storage chamber being connected to the first cooling circuit, the second water storage chamber being connected to the second cooling circuit.
3. The cooling system of claim 2, wherein the first water pump is configured to be in driving connection with an engine, and the first water pump is a mechanical water pump.
4. The cooling system of claim 3, wherein the second water pump is an electric water pump.
5. The cooling system of claim 4, further comprising a valve body for communicating the first cooling circuit with the second cooling circuit.
6. The cooling system of claim 1, wherein the first cooling circuit further comprises an oil cooling pump in parallel with the block jacket.
7. The cooling system of claim 1, wherein the first cooling circuit further comprises an air-conditioning warm core connected in parallel to the block jacket.
8. The cooling system of claim 1, wherein the first cooling circuit further comprises an economizer connected in series between the block jacket and the high temperature radiator.
9. The cooling system of claim 1, wherein the second cooling circuit further comprises an intercooler in parallel with the turbocharger.
10. The cooling system of claim 1, wherein the second cooling circuit further comprises an EGR cooler connected in parallel with the turbocharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922278923.4U CN211598812U (en) | 2019-12-16 | 2019-12-16 | Cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922278923.4U CN211598812U (en) | 2019-12-16 | 2019-12-16 | Cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN211598812U true CN211598812U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922278923.4U Active CN211598812U (en) | 2019-12-16 | 2019-12-16 | Cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576359A (en) * | 2020-11-18 | 2021-03-30 | 潍柴动力股份有限公司 | Low-temperature cooling system, vehicle and control method of low-temperature cooling system |
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2019
- 2019-12-16 CN CN201922278923.4U patent/CN211598812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576359A (en) * | 2020-11-18 | 2021-03-30 | 潍柴动力股份有限公司 | Low-temperature cooling system, vehicle and control method of low-temperature cooling system |
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