Engine cooling system with middle thermostat

Abstract

The utility model relates to an engine cooling system with a middle thermostat. The engine cooling system comprises the thermostat installed in an included angle area of an air cylinder. The thermostat is communicated with a cooling pipeline of the engine, and the cooling pipeline is arranged around a cylinder body of the engine; the engine is a V-shaped engine, the air cylinder included angle area is an included angle area formed by two sets of air cylinders of the V-shaped engine, and the section, perpendicular to the air cylinder arrangement direction, of the air cylinder included angle area is in a V shape. The thermostat is fixed to a cylinder body of the engine and installed in the included angle area of the air cylinder. The thermostat is arranged in the air cylinder included angle area of the V-shaped engine, and the air cylinder included angle area is located on the top of the engine. Therefore, when the thermostat needs to be replaced, the spare space on the upper portion of the engine compartment is larger, and the operation space of maintenance work can be guaranteed.

Description

Technical Field

[0001] The present application relates to the field of engine technology, and in particular to an engine cooling system with a centrally mounted thermostat. Background Art

[0002] In order to control the temperature of the engine cylinder, the engine is generally provided with a cooling system. The cooling system can ensure that the engine operates within the optimal temperature range to improve efficiency, reduce wear and extend the service life of the engine.

[0003] In the engine's cooling system, circulation pipes are inserted into the engine's cylinder walls. Coolant flows through the circulation pipes to take away heat, thereby reducing the cylinder temperature.

[0004] To maintain the engine operating within the optimal temperature range, the cooling system is also equipped with a thermostat and a temperature sensor. The cooling system detects the cylinder temperature through the temperature sensor and then controls the flow of coolant through the thermostat.

[0005] The thermostat is a valve component that closes when the engine temperature is too low, preventing coolant from flowing to the radiator. This allows the engine to quickly warm up to operating temperature. When the engine temperature is too high, the thermostat opens, allowing coolant to flow to the radiator. The radiator helps dissipate heat, keeping the engine temperature within the optimal range.

[0006] In existing engine cooling systems, the thermostat is arranged next to the water pump, and the water pump is generally arranged close to the pulley of the engine.

[0007] Therefore, the thermostat and water pump are both set on the pulley side of the engine. As a result, when the thermostat is damaged, the thermostat is clamped between the engine compartment and the engine, and there is insufficient maintenance space. The entire engine needs to be removed from the engine compartment for replacement.

[0008] In order to make replacement of the thermostat more convenient, the present application provides an engine cooling system with a centrally mounted thermostat. Utility Model Content

[0009] To overcome the problems existing in the related art, the present application provides an engine cooling system with a centrally mounted thermostat, comprising: a thermostat mounted in the cylinder angle region;

[0010] The thermostat is in communication with a cooling pipeline of the engine, and the cooling pipeline is arranged around the cylinder block of the engine;

[0011] The engine is a V-type engine, the cylinder angle area is the angle area formed by two groups of cylinders of the V-type engine, and the cross-section of the cylinder angle area perpendicular to the cylinder arrangement direction is V-shaped; the thermostat is fixed on the cylinder block of the engine and installed in the cylinder angle area.

[0012] In one embodiment, the thermostat is provided with a coolant inlet, a first coolant outlet, a second coolant outlet and a third coolant outlet; the coolant inlet is provided at the top of the thermostat, and the first coolant outlet, the second coolant outlet and the third coolant outlet are provided on the side of the thermostat.

[0013] In one embodiment, the cooling pipeline includes a first cooling pipe and a second cooling pipe; the length directions of the first cooling pipe and the second cooling pipe are arranged along the arrangement direction of the cylinders.

[0014] In one embodiment, the liquid inlet of the first cooling pipe is connected to the first coolant outlet, and the liquid outlet of the first cooling pipe is connected to the cylinder water channel of the engine; the liquid inlet of the second cooling pipe is connected to the second coolant outlet, and the liquid outlet of the second cooling pipe is connected to the cylinder water channel of the engine.

[0015] In one embodiment, it further includes: a thermostat mounting seat; the thermostat is mounted on the thermostat mounting seat, and the thermostat mounting seat is fixed to the outer wall of the cylinder body of the engine through the thermostat mounting hole.

[0016] In one embodiment, a coolant storage tank is further included, and the coolant storage tank is communicated with the cooling pipeline.

[0017] In one embodiment, a water pump is further included; the water pump is arranged on one side of the crankshaft pulley of the engine, the liquid outlet of the water pump is connected to the coolant inlet of the thermostat, and the liquid inlet of the water pump is connected to the coolant storage tank.

[0018] The technical solution provided by this application may have the following beneficial effects:

[0019] In this application, the turbocharger is installed in the cylinder angle area 3 of the V-type engine, above the cylinder. The frame ring beam is arranged circumferentially around the side of the engine. When the turbocharger is repaired, it can avoid the obstruction of the frame ring beam, increasing the working space. Furthermore, the turbocharger is located above the cylinder, which reduces the distance between the turbocharger and the cylinder. The pressurized gas can enter the cylinder more quickly through the intake manifold, promoting combustion and accelerating the turbocharger response speed.

[0020] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of exemplary embodiments of the present application in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present application.

[0022] Figure 1 A three-dimensional schematic diagram of the engine arrangement structure shown in an embodiment of the present application;

[0023] Figure 2 A top view of the engine arrangement structure shown in an embodiment of the present application;

[0024] Figure 3 This is a marked diagram of the cylinder angle area shown in the embodiment of the present application;

[0025] Figure 4 This is a partial schematic diagram of a center-mounted thermostat shown in an embodiment of the present application;

[0026] Figure 5 The existing engine arrangement structure shown in the embodiment of this application;

[0027] Description of the accompanying drawings: thermostat 1, coolant inlet 11, first coolant outlet 12, second coolant outlet 13, second coolant outlet 14, thermostat mounting seat 15, cooling pipeline 2, cylinder angle area 3, first cooling pipe 21, second cooling pipe 22. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. Instead, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0029] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. As used in this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0030] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] Large-scale engineering vehicles typically feature large-displacement engines. V-shaped cylinder layouts are common in large-displacement engines. Modern engines, in addition to the cylinder block, also require automated control systems such as boost, cooling, and intake systems.

[0032] Therefore, the engine needs to integrate more and more equipment. The existing engine equipment is basically set on the side of the engine, sandwiched between the cabin and the engine, which makes maintenance inconvenient.

[0033] The equipment layout of the existing engine is as follows Figure 5 As shown, the cooling system and turbocharging system are mainly arranged on the side, close to the belt drive system.

[0034] In order to rationally utilize the space in the engine compartment, the embodiment of the present application is designed with respect to the layout structure of the cooling system.

[0035] like Figure 1 As shown, an embodiment of the present application provides an engine cooling system with a centrally mounted thermostat, comprising: a thermostat 1 installed in a cylinder angle region 3 .

[0036] Specifically, the thermostat 1 is communicated with a cooling pipe 2 of the engine, and the cooling pipe 2 is arranged around the cylinder block of the engine.

[0037] like Figure 3 As shown, the engine is a V-type engine, the cylinder angle area 3 is the angle area formed by two groups of cylinders of the V-type engine, and the cross section of the cylinder angle area 3 perpendicular to the cylinder arrangement direction is V-shaped.

[0038] Furthermore, it also includes: a thermostat mounting seat 15, and a thermostat mounting hole is opened on the engine cylinder body.

[0039] In the embodiments of this application, Figure 4 As shown, the thermostat 1 is fixed in a thermostat mounting seat 15 , and the thermostat mounting seat 15 is fixed on the cylinder block of the engine through a thermostat mounting hole.

[0040] like Figure 2 As shown, the thermostat 1 is provided with a coolant inlet 11 , a first coolant outlet 12 , a second coolant outlet 13 and a third coolant outlet 14 .

[0041] Specifically, the coolant inlet 11 is provided at the top of the thermostat 1 . The first coolant outlet 12 , the second coolant outlet 13 , and the third coolant outlet 14 are provided at the side of the thermostat 1 .

[0042] The first coolant outlet 12 and the second coolant outlet 13 are opened toward the cylinders on both sides. The first coolant outlet 12 and the second coolant outlet 13 are connected to the cooling pipeline 2.

[0043] Since the cylinders of the V-type engine are arranged in two rows in the cylinder angle region 3 , in order to improve the integration of the cooling pipeline, the cooling pipeline 2 includes a first cooling pipe 21 and a second cooling pipe 22 .

[0044] In this embodiment of the present application, the lengths of the first cooling pipe 21 and the second cooling pipe 22 are arranged along the cylinder arrangement direction and are located above the cylinders. The cooling pipe 2 is connected to the cylinder water channels of each cylinder of the engine to supply coolant to the cylinder water channels of the engine.

[0045] Specifically, the liquid inlet of the first cooling pipe 21 is connected to the first coolant outlet 12, and the liquid outlet of the first cooling pipe 21 is connected to the engine cylinder water channel. Similarly, the liquid inlet of the second cooling pipe 22 is connected to the second coolant outlet 13, and the liquid outlet of the second cooling pipe 22 is connected to the engine cylinder water channel.

[0046] Furthermore, the coolant inlet 11 of the thermostat 1 is connected to the coolant tank. A water pump is provided in the connecting pipe between the thermostat 1 and the coolant tank. Thus, the coolant tank, the water pump, the thermostat 1 and the cooling pipe 2 are sequentially connected.

[0047] Specifically, the liquid outlet of the water pump is communicated with the coolant inlet 11 of the thermostat 1 , and the liquid inlet of the water pump is communicated with the coolant storage tank.

[0048] In this embodiment of the present application, the water pump pumps water from the coolant storage tank into the cooling line 2. The water pump is located on the side of the engine's crankshaft pulley, and the crankshaft pulley drives the water pump to pump water. The thermostat 1 is used to open or close the flow of coolant in the cooling line 2.

[0049] In the engine cooling system of the embodiment of the present application, the thermostat is located within the cylinder angle region of the V-type engine. Since the cylinder angle region is located at the top of the engine, when the thermostat needs to be replaced, there is more free space in the upper part of the engine compartment, ensuring sufficient operating space for maintenance operations.

[0050] In the embodiment of the present application, the cooling pipeline of the engine is correspondingly arranged along the cylinder arrangement direction, which can fully utilize the space in the cylinder angle area.

[0051] Various embodiments of the present application have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments.

[0052] Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein is selected to best explain the principles of the various embodiments, their practical applications, or improvements to the technology in the marketplace, or to enable other persons skilled in the art to understand the various embodiments disclosed herein.

Claims

1. An engine cooling system with a centrally mounted thermostat, characterized in that: include: A thermostat (1) mounted in the cylinder angle region (3); The thermostat (1) is in communication with a cooling pipe (2) of the engine, and the cooling pipe (2) is arranged around the cylinder block of the engine; The engine is a V-type engine, the cylinder angle region (3) is the angle region formed by two groups of cylinders of the V-type engine, and the cross section of the cylinder angle region (3) perpendicular to the cylinder arrangement direction is V-shaped; The thermostat (1) is fixed on the cylinder block of the engine and installed in the cylinder angle area (3).

2. The engine cooling system with a central thermostat according to claim 1, characterized in that: The thermostat (1) is provided with a coolant inlet (11), a first coolant outlet (12), a second coolant outlet (13) and a third coolant outlet (14); The coolant inlet (11) is arranged at the top of the thermostat (1), and the first coolant outlet (12), the second coolant outlet (13) and the third coolant outlet (14) are arranged on the side of the thermostat (1).

3. The engine cooling system with a central thermostat according to claim 2, characterized in that: The cooling pipeline (2) comprises a first cooling pipe (21) and a second cooling pipe (22); The length directions of the first cooling pipe (21) and the second cooling pipe (22) are arranged along the cylinder arrangement direction.

4. The engine cooling system with a centrally mounted thermostat according to claim 3, characterized in that: The liquid inlet of the first cooling pipe (21) is connected to the first coolant outlet (12), and the liquid outlet of the first cooling pipe (21) is connected to the cylinder water channel of the engine; The liquid inlet of the second cooling pipe (22) is connected to the second coolant outlet (13), and the liquid outlet of the second cooling pipe (22) is connected to the cylinder water channel of the engine.

5. The engine cooling system with a central thermostat according to claim 1, characterized in that: Also includes: Thermostat mounting seat (15); The thermostat (1) is mounted on the thermostat mounting seat (15), and the thermostat mounting seat (15) is fixed on the outer wall of the cylinder body of the engine through the thermostat mounting hole.

6. The engine cooling system with a central thermostat according to claim 1, characterized in that: It also includes a coolant storage tank, which is connected to the cooling pipeline (2).

7. The engine cooling system with a centrally mounted thermostat according to claim 6, characterized in that: Also includes water pump; The water pump is arranged on one side of the crankshaft pulley of the engine, the liquid outlet of the water pump is communicated with the coolant inlet (11) of the thermostat (1), and the liquid inlet of the water pump is communicated with the coolant storage tank.

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