Energy-saving and efficient cylinder water jacket structure and cooling circulation system

Abstract

The application discloses an energy-saving and high-efficiency cylinder water jacket structure and a cooling circulation system, which comprises a cylinder water jacket body, a cooling water channel is arranged in the cylinder water jacket body, a water inlet and a water outlet are arranged on the cylinder water jacket body and connected with the cooling water channel, the water inlet and the water outlet are adjacently arranged on the same side of the cylinder water jacket body, and a front end throttage baffle is arranged between the water inlet and the water outlet in the cylinder water jacket body. The energy-saving and high-efficiency cylinder water jacket structure and the cooling circulation system are rationally designed, can meet the requirements of preferentially cooling the cylinder cover and preferentially cooling the exhaust side, can avoid the pipeline arrangement between the water outlet and the water inlet, make the cooling system arrangement more compact, and the water pump energy consumption is low due to the integrated water jacket design.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engine cooling, in particular to a cylinder block water jacket structure and cooling circulation system with energy saving and high efficiency. BACKGROUND

[0002] At present, the water jacket of the engine mainly has three forms: one is that the water inlet is arranged on the cylinder block, the cooling liquid preferentially cools the cylinder block water jacket, then enters the cylinder head water jacket upward, flows out from the water outlet of the cylinder head, enters the thermostat, and then enters the water pump through the large and small circulation. The second is that the water inlet and outlet are arranged on the cylinder block, the cooling liquid first cools one side of the cylinder block, then enters the cylinder head water jacket upward, and finally enters the thermostat after cooling the cylinder head downward, and then enters the water pump through the large and small circulation. The third is that the water inlet enters the auxiliary water jacket, and the cylinder block and the cylinder head are cooled separately, and finally converge to the water outlet, enter the thermostat, and then enter the water pump through the large and small circulation.

[0003] The water jacket structures of the above three forms all have defects. The first way is to cool the cylinder block first, then cool the cylinder head, which cannot preferentially cool the cylinder head, and will cause poor cooling of the cylinder head, or need a higher performance water pump, which increases energy consumption. The second way preferentially cools the cylinder head, but the water inlet and outlet are separately arranged on the two sides of the cylinder block, which increases the length of the pipeline, increases the pressure loss and leakage risk, and makes the arrangement bulky. The third way improves the cooling effect of the cylinder head, but the total flow needs to be greatly increased, which requires the use of a high-performance, large-flow water pump, increasing energy consumption.

[0004] The existing water jacket technology cannot overcome the following defects at the same time: the cylinder head cannot be preferentially cooled, the cylinder head cooling is poor, the water inlet and outlet are far apart, or far away from the water pump and thermostat, which requires the increase of pipeline arrangement, and the flow demand is large, and the water pump energy consumption is high. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a cylinder block water jacket structure and cooling circulation system with energy saving and high efficiency, which improves the cooling effect of the cylinder head and the cylinder, and has compact structure and low energy consumption.

[0006] In order to solve the above technical problems, the technical scheme adopted by the present application is:

[0007] A cylinder block water jacket structure with energy saving and high efficiency, comprising a cylinder block water jacket body, a cooling water channel is arranged in the cylinder block water jacket body, a water inlet and a water outlet connected with the cooling water channel are arranged on the cylinder block water jacket body, the water inlet and the water outlet are arranged adjacent to each other on the same side of the cylinder block water jacket body, and a front end throttling baffle is arranged between the water inlet and the water outlet in the cylinder block water jacket body.

[0008] Further comprising a water pump and a thermostat, the water pump and the thermostat are integrally arranged between the water inlet and the water outlet.

[0009] The rear end of the cylinder water jacket body is provided with a rear end throttling baffle, and the cylinder water jacket is divided into an exhaust side water jacket and an intake side water jacket by the front end throttling baffle and the rear end throttling baffle.

[0010] The cylinder water jacket body is provided with an inclined water hole for connecting the exhaust side water jacket and the intake side water jacket.

[0011] The water inlet is directly connected with the exhaust side water jacket, and the water outlet is directly connected with the intake side water jacket.

[0012] The flow area of the front end throttling baffle is smaller than that of the rear end throttling baffle.

[0013] The front end throttling baffle is arranged corresponding to one end cylinder of the cylinder water jacket body, and the rear end throttling baffle is arranged corresponding to the other end cylinder of the cylinder water jacket body.

[0014] The exhaust side water jacket is provided with a cylinder head upper water hole for conveying cooling liquid to the cylinder head, and the intake side water jacket is provided with a cylinder head lower water hole for returning cooling liquid in the cylinder head.

[0015] An energy-saving and efficient cooling circulation system of a cylinder water jacket structure comprises a small circulation cooling system and a large circulation cooling system.

[0016] In the small circulation cooling system, cooling liquid enters the cylinder intake side water jacket through the water inlet after being pressurized by a water pump, flows from one end cylinder to the cylinder exhaust side water jacket, most of the cooling water flows into the cylinder head exhaust side water jacket through the upper water hole of the cylinder exhaust side, a small part of the cooling water flows into the cylinder intake side water jacket through the inclined water hole between the cylinders, and a small amount of cooling water flows into the cylinder intake side water jacket through the rear end throttling baffle; after cooling the cylinder head, the cooling water flows into the cylinder intake side water jacket through the lower water hole of the intake side, and finally the cooling liquid flows into the thermostat through the intake side water outlet of the cylinder, and the small circulation cooling system is completed when the thermostat is directly connected with the water pump.

[0017] In the large circulation cooling system, the thermostat is opened to open the large circulation cooling water path and close the small circulation cooling water path, and the cooling water enters the cylinder intake side water inlet, the cylinder exhaust side water jacket, the cylinder head water jacket, the inclined water hole between the cylinders and the rear end throttling baffle in sequence, and finally converges to the cylinder intake side water jacket, and flows into the thermostat through the water outlet, and the cooling liquid flows back to the cylinder thermostat after being cooled by the radiator, enters the water pump, and completes the large circulation of the cooling system.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The energy-efficient cylinder water jacket structure and cooling circulation system are rationally designed, which can meet the requirements of prioritizing cooling of the cylinder head and the exhaust side, and can also eliminate the need for piping between the outlet and the inlet, making the cooling system layout more compact; in addition, the integrated water jacket design results in low water pump energy consumption. Attached Figure Description

[0020] The following is a brief explanation of the contents of each of the accompanying drawings and the markings in the drawings:

[0021] Figure 1 This is a schematic diagram of the cooling system of the present invention.

[0022] Figure 2 This is a schematic diagram of the cylinder water jacket of the present invention.

[0023] Figure 3 This is a schematic diagram of the cylinder water jacket shaft side of the present invention.

[0024] Figure 4 For along Figure 3 Schematic diagram of sectional view AA.

[0025] In the picture:

[0026] 1. Water inlet, 2. Water outlet, 3. Cylinder body water jacket, 4. Cylinder head water inlet, 5. Cylinder head water outlet, 6. Slanted water inlet, 7. Front throttling baffle, 8. Rear throttling baffle. Detailed Implementation

[0027] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and through the description of the examples.

[0028] like Figures 1 to 4 As shown, the energy-saving and efficient cylinder water jacket structure includes a cylinder water jacket body 3, a cooling water passage is provided inside the cylinder water jacket body, and the inlet 1 and outlet 2 are connected to the cooling water passage; the inlet and outlet are arranged adjacent to each other on the same side of the cylinder water jacket body, and a front-end throttling baffle 7 is provided between the inlet and outlet inside the cylinder water jacket body.

[0029] The inlet and outlet are located on the same side and are adjacent to each other, separated by a throttling baffle; the water pump and thermostat are integrated and located at the cylinder inlet and outlet, which are close together, thus reducing the need for external piping.

[0030] The present invention also includes a water pump and a thermostat, which are integrated between the water inlet and the water outlet; that is, the water outlet is connected to the thermostat, the thermostat is connected to the water pump, and the water pump is connected to the water inlet.

[0031] The rear end of the cylinder water jacket body is provided with a rear end throttling baffle 8, and the cylinder water jacket is divided into an exhaust side water jacket and an intake side water jacket through the front end throttling baffle and the rear end throttling baffle.

[0032] The cylinder water jacket body is provided with an inclined water hole 6 for connecting the exhaust side water jacket and the intake side water jacket; the inclined water hole is drilled between the cylinders, and the pressure difference between the exhaust side and the intake side is utilized to make the cooling liquid flow at high speed in the inclined water hole, so as to meet the inter-cylinder heat exchange requirement.

[0033] The front end throttling baffle is arranged at one end cylinder of the cylinder water jacket body, and the rear end throttling baffle is arranged at the other end cylinder of the cylinder water jacket body; the flow area of the front end throttling baffle is smaller than that of the rear end throttling baffle.

[0034] The two throttling baffles are arranged between the front end water jacket inlet and outlet, and the other is arranged at the rear end of the water jacket; the front end throttling baffle has a small flow area, and is used for blocking the passage between the inlet and outlet, and making the cooling liquid flow to the exhaust side; the rear end throttling baffle has a certain flow area, and increases the cooling liquid flow rate of the rear end four cylinders, so as to improve the cooling effect of the four cylinders.

[0035] The exhaust side water jacket is provided with a cylinder head upper water hole 4 for conveying the cooling liquid to the cylinder head, and the intake side water jacket is provided with a cylinder head lower water hole 5 for returning the cooling liquid in the cylinder head; the above-mentioned structure can meet the requirements of preferentially cooling the cylinder head and preferentially cooling the exhaust side, and can avoid the pipeline arrangement between the outlet and the inlet, so that the cooling system arrangement is more compact; and the water pump of the integrated water jacket has low energy consumption.

[0036] That is, on the exhaust side of the cylinder water jacket, a plurality of upper water holes are arranged on the upper part of the water jacket and are communicated with the cylinder head water jacket; after the cooling liquid cools the entire engine exhaust side, the cooling liquid enters the cylinder head water jacket through the upper water holes; on the intake side of the cylinder water jacket, a plurality of lower water holes are arranged on the upper part of the water jacket and are communicated with the cylinder head water jacket; after the cooling liquid cools the entire cylinder head, the cooling liquid flows into the cylinder intake side water jacket through the lower water holes.

[0037] The cooling circulation system of the energy-saving and efficient cylinder water jacket structure comprises a small circulation cooling system and a large circulation cooling system.

[0038] The small circulation cooling system is that the cooling liquid is pressurized by the water pump, enters the cylinder intake side water jacket through the water inlet, flows from one end of the cylinder front end to the cylinder exhaust side water jacket, most of the cooling water flows into the cylinder head exhaust side water jacket through the upper water inlet of the cylinder exhaust side, a small part of the cooling water flows into the cylinder intake side water jacket through the inter-cylinder inclined water hole, and a small part of the cooling water flows into the cylinder intake side water jacket through the rear end throttle baffle; the cooling water cools the cylinder head, flows into the cylinder intake side water jacket through the lower water inlet of the intake side, and finally the cooling liquid is gathered and then flows into the thermostat through the intake side water outlet of the cylinder, at this time the thermostat is directly connected with the water pump, and the small circulation cooling system is completed.

[0039] The large circulation cooling system is that the thermostat opens the large circulation cooling water path and closes the small circulation cooling water path, the cooling water enters the cylinder intake side water inlet, the cylinder exhaust side water jacket, the cylinder head water jacket, the inter-cylinder inclined water hole and the rear end throttle baffle in turn, and finally is gathered to the cylinder intake side water jacket, flows into the thermostat through the water outlet, the thermostat is connected with the radiator, the cooling liquid flows back to the thermostat of the cylinder after being cooled by the radiator, enters the water pump, and the large circulation of the cooling system is completed.

[0040] The above is only the description of the preferred embodiment of the present application, and the above technical features can be combined to form multiple embodiments of the present application.

[0041] The above is an exemplary description of the present application in combination with the drawings, and it is obvious that the specific implementation of the present application is not limited by the above manner, as long as various non-essential improvements are made by adopting the concept and technical scheme of the present application, or the concept and technical scheme of the present application is directly applied to other occasions without improvement, which is within the protection scope of the present application.

Claims

1. An energy-saving and high-efficiency cooling circulation system of a cylinder water jacket structure, characterized in that: the energy-saving and high-efficiency cooling circulation system of the cylinder water jacket structure comprises a cylinder water jacket body, a cooling water path is arranged in the cylinder water jacket body, a water inlet and a water outlet connected with the cooling water path are arranged on the cylinder water jacket body, the water inlet and the water outlet are arranged on the same side of the cylinder water jacket body, a front end throttling baffle is arranged between the water inlet and the water outlet in the cylinder water jacket body, a water pump and a thermostat are arranged between the water inlet and the water outlet, the water pump and the thermostat are integrated, a rear end throttling baffle is arranged at the rear end of the cylinder water jacket body, the cylinder water jacket is divided into an exhaust side water jacket and an intake side water jacket by the front end throttling baffle and the rear end throttling baffle, an inclined water hole for connecting the exhaust side water jacket and the intake side water jacket is arranged in the cylinder water jacket body, the water inlet is directly connected with the exhaust side water jacket, and the water outlet is directly connected with the intake side water jacket, a cylinder head upper water hole for delivering cooling liquid to a cylinder head is arranged on the exhaust side water jacket, and a cylinder head lower water hole for returning cooling liquid in the cylinder head is arranged on the intake side water jacket; the cooling circulation system comprises a small circulation cooling system and a large circulation cooling system; in the small circulation cooling system, cooling liquid enters the cylinder intake side water jacket through the water inlet after being pressurized by the water pump, flows from one end of the cylinder to the cylinder exhaust side water jacket, most of the cooling water flows into the cylinder head exhaust side water jacket through the upper water hole of the cylinder exhaust side, a small part of the cooling water flows into the cylinder intake side water jacket through the inclined water hole between the cylinders, and a small amount of cooling water flows into the cylinder intake side water jacket through the rear end throttling baffle, the cooling water cools the cylinder head, then flows into the cylinder intake side water jacket through the lower water hole of the intake side, and finally, the cooling liquid is gathered and flows into the thermostat through the intake side water outlet of the cylinder, at this time, the thermostat is directly connected with the water pump, and the small circulation cooling system is completed; in the large circulation cooling system, the thermostat is opened to open the large circulation cooling water path and close the small circulation cooling water path, cooling water enters the cylinder intake side water inlet, the cylinder exhaust side water jacket, the cylinder head water jacket, the inclined water hole between the cylinders and the rear end throttling baffle in sequence, and finally, the cooling water is gathered in the cylinder intake side water jacket and flows into the thermostat through the water outlet, the thermostat is connected with a radiator, the cooling liquid flows back to the cylinder thermostat after being cooled by the radiator, enters the water pump, and the large circulation of the cooling system is completed. the flow area of the front end throttling baffle is smaller than that of the rear end throttling baffle.

2. The cooling circulation system of claim 1, wherein: the front end throttling baffle is arranged corresponding to one end of the cylinder water jacket body, and the rear end throttling baffle is arranged corresponding to the other end of the cylinder water jacket body.

3. The cooling circulation system of claim 1, wherein: ​

Images