CN217107203U - Turbocharging system and engine system - Google Patents
Turbocharging system and engine system Download PDFInfo
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- CN217107203U CN217107203U CN202220491870.3U CN202220491870U CN217107203U CN 217107203 U CN217107203 U CN 217107203U CN 202220491870 U CN202220491870 U CN 202220491870U CN 217107203 U CN217107203 U CN 217107203U
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Abstract
The utility model relates to the field of engines, and discloses a turbocharging system and an engine system, wherein the turbocharging system comprises a water jacket exhaust pipe which is used for being connected with an engine cylinder; the water jacket exhaust pipe comprises an exhaust pipe and a shell surrounding the exhaust pipe, a water channel for cooling the exhaust pipe is formed between the shell and the exhaust pipe, the exhaust pipe is provided with an air inlet and an air outlet, and the shell is provided with a water inlet and a water outlet which are communicated with the water channel; the turbocharger is connected with the air outlet of the exhaust pipe; the temperature sensor is positioned at an air inlet of a vortex end of the turbocharger; the liquid inlet of the radiator assembly is connected with the water outlet of the shell, and the liquid outlet of the radiator assembly is connected with the water inlet of the shell; and the control valve is arranged on a pipeline between the liquid inlet of the radiator assembly and the water outlet of the shell and is used for controlling the flow of liquid entering from the liquid inlet of the radiator assembly. The reliability and the service life of the supercharger are improved.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to turbocharging system and engine system.
Background
Superchargers are a technology that compresses air in advance before it is supplied into cylinders to increase the density of the air and increase the intake air amount. Aims at increasing the aeration quantity, improving the power, improving the economy and improving the discharge.
At present, after engine exhaust is combusted and exhausted from a cylinder, the cylinders are gathered through an exhaust pipe, the temperature of gas is about 750-.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a turbocharging system and engine system for the problem that turbo charger front end row temperature transfinites has improved the reliability and the life-span of booster.
In order to achieve the above purpose, the utility model provides the following technical scheme:
in a first aspect, the present invention provides a turbocharging system, including:
the water jacket exhaust pipe is used for being connected with an engine cylinder; the water jacket exhaust pipe comprises an exhaust pipe and a shell surrounding the exhaust pipe, a water channel for cooling the exhaust pipe is formed between the shell and the exhaust pipe, the exhaust pipe is provided with an air inlet and an air outlet, and the shell is provided with a water inlet and a water outlet communicated with the water channel;
the turbocharger is connected with the air outlet of the exhaust pipe;
a temperature sensor located at a vortex port air inlet of the turbocharger;
the liquid inlet of the radiator assembly is connected with the water outlet of the shell, and the liquid outlet of the radiator assembly is connected with the water inlet of the shell;
and the control valve is arranged on a pipeline between the liquid inlet of the radiator assembly and the water outlet of the shell and used for controlling the flow of liquid entering from the liquid inlet of the radiator assembly.
The water jacket exhaust pipe is connected with an engine cylinder, the exhaust gas of the engine cylinder enters the exhaust pipe in the water jacket exhaust pipe and finally enters the vortex end of the supercharger, cooling water is introduced from a water inlet in a shell of the water jacket exhaust pipe, the cooling water flows through a water channel to cool the exhaust gas in the exhaust pipe, the cooling water after cooling the exhaust pipe flows out from a water outlet of the shell, the cooling water flowing out from a water outlet of the shell flows into the radiator assembly to cool the cooling water, a temperature sensor at the air inlet of the vortex end of the turbocharger is used for detecting the temperature of the exhaust gas entering the turbocharger, if the temperature of the exhaust gas entering the turbocharger is detected to exceed the normal temperature, the flow rate of the liquid entering from the liquid inlet of the radiator assembly is controlled to be increased by a control valve, the cooling capacity of the radiator is improved, and the temperature of the exhaust gas entering the turbocharger is ensured to be within the normal temperature, through the relation of temperature sensor and control valve opening, realize the vortex end exhaust temperature of accurate control booster to guarantee that the exhaust gas temperature who gets into turbo charger is in normal temperature, improved the life of booster, improved the reliability of booster.
Optionally, the heat sink assembly comprises:
a liquid inlet of the first radiator is connected with a water outlet of the shell, and a liquid outlet of the first radiator is connected with a water inlet of the shell;
and a liquid inlet of the second radiator is connected with a water outlet of the shell, and a liquid outlet of the second radiator is connected with a water inlet of the shell.
Optionally, the control valve is disposed on a pipeline between the liquid inlet of the second radiator and the water outlet of the housing, and is configured to control a flow rate of liquid entering from the liquid inlet of the second radiator.
Optionally, the control valve is an electrically controlled water valve.
Optionally, a water temperature sensor is further included;
the water temperature sensor is positioned at the water inlet of the shell.
Optionally, a thermostat is further included;
the thermostat is located between the control valve and the water outlet of the housing.
Optionally, the first heat sink is a liquid-cooled heat sink; the second radiator is a liquid cooling radiator.
Optionally, the amount of cooling of the first radiator is less than the amount of cooling of the second radiator.
In a second aspect, the present invention provides an engine system, comprising an electronic control unit and the turbocharger system of any one of the first aspect, wherein the electronic control unit is connected with the turbocharger system.
Drawings
Fig. 1 is a schematic flow chart of a turbocharging system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of another turbocharging system according to an embodiment of the present invention;
fig. 3 is a schematic view of a determination process of a turbocharging system according to an embodiment of the present invention;
fig. 4 is a schematic view of a determination process of another turbocharging system according to an embodiment of the present invention.
In the figure: 1-water jacket exhaust pipe; 11-an exhaust pipe; 12-a waterway; 2-a turbocharger; 3-a temperature sensor; 4-a heat sink assembly; 41-a first heat sink; 42-a second heat sink; 5-a control valve; 6-thermostat; 7-water temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a turbocharging system, including:
the water jacket exhaust pipe 1, the water jacket exhaust pipe 1 is used for connecting with the engine cylinder; the water jacket exhaust pipe 1 comprises an exhaust pipe 11 and a shell surrounding the exhaust pipe 11, a water channel 12 for cooling the exhaust pipe 11 is formed between the shell and the exhaust pipe 11, the exhaust pipe 11 is provided with an air inlet and an air outlet, and the shell is provided with a water inlet and a water outlet communicated with the water channel 12;
the turbocharger 2, the turbocharger 2 is connected with the air outlet of the exhaust pipe 11;
the temperature sensor 3 is positioned at an air inlet of a vortex end of the turbocharger 2;
a liquid inlet of the radiator component 4 is connected with a water outlet of the shell, and a liquid outlet of the radiator component 4 is connected with a water inlet of the shell;
and the control valve 5 is arranged on a pipeline between the liquid inlet of the radiator component 4 and the water outlet of the shell and is used for controlling the flow of liquid entering from the liquid inlet of the radiator component 4.
It should be noted that, the water jacket exhaust pipe 1 is connected with an engine cylinder, exhaust gas of the engine cylinder enters the exhaust pipe 11 in the water jacket exhaust pipe 1, and finally enters a turbo end of the supercharger, cooling water is introduced from a water inlet in a housing of the water jacket exhaust pipe 1, the cooling water flows through a water path 12 to cool the exhaust gas in the exhaust pipe 11, the cooling water after cooling the exhaust pipe 11 flows out from a water outlet of the housing, the cooling water flowing out from a water outlet of the housing flows into the radiator assembly 4 to cool the cooling water, a temperature sensor 3 at an air inlet of the turbo end of the turbocharger 2 is used for detecting the temperature of the exhaust gas entering the turbocharger 2, if the temperature of the exhaust gas entering the turbocharger 2 is detected to exceed a normal temperature, the flow rate of the liquid entering from a liquid inlet of the radiator assembly 4 is controlled to be increased through the control valve 5, and the cooling capacity of the radiator is improved, and then guarantee that the temperature that waste gas got into turbo charger 2 can be in normal temperature, through the relation of temperature sensor 3 and 5 apertures of control valve, realize the vortex end exhaust temperature of accurate control booster to guarantee that the exhaust gas temperature who gets into turbo charger 2 is in normal temperature, improved the life of booster, improved the reliability of booster.
The above normal temperature may be designed according to the tolerance temperature of the actual turbocharger 2, for example, the normal temperature is 750 ℃.
Specifically, the heat sink assembly 4 includes:
a liquid inlet of the first radiator 41 is connected with a water outlet of the shell, and a liquid outlet of the first radiator 41 is connected with a water inlet of the shell;
and a liquid inlet of the second radiator 42 is connected with a water outlet of the shell, and a liquid outlet of the second radiator 42 is connected with a water inlet of the shell.
In one embodiment, a control valve 5 is disposed in the conduit between the inlet of the second radiator 42 and the outlet of the housing for controlling the amount of flow entering the fluid from the inlet of the second radiator 42.
Specifically, the control valve 5 is an electrically controlled water valve.
The turbocharging system provided by the embodiment of the utility model also comprises a water temperature sensor 7; the water temperature sensor 7 is positioned at the water inlet of the shell. Specifically, the water temperature sensor 7 is used to detect the temperature of water entering the housing; when the temperature sensor 3 detects that the temperature of the vortex end of the turbocharger 2 exceeds the normal temperature, the opening of the valve 5 is controlled through the control valve 5, so that the flow of cooling water entering the second radiator 42 is enabled to cool the cooling water flowing through the exhaust pipe 11 in the water jacket exhaust pipe 1, the cooled water enters the water inlet of the shell in the water jacket exhaust pipe 1 again, the water temperature of the cooling water entering the water inlet of the shell can be detected through the water temperature sensor 7, the opening size relation of the control valve 5 is determined according to the detected water temperature and the temperature of the vortex end of the turbocharger 2, the opening size of the control valve 5 is conveniently adjusted, and the temperature adjusting speed of the vortex end of the turbocharger 2 is improved.
The turbocharging system provided by the embodiment of the utility model also comprises a thermostat 6;
a thermostat 6 is located between the control valve 5 and the outlet of the housing. Specifically, when the temperature of the cooling water flowing through the thermostat 6 is low, the cooling water does not need to flow through the radiator assembly 4, but directly enters the water path 12 in the water jacket exhaust pipe 1 again for recycling; when the temperature of the cooling water flowing through the thermostat 6 is high, the thermostat 6 is opened, the cooling water flows through the radiator component 4 to be cooled, and the cooling water cooled by the radiator component 4 enters the water channel 12 in the water jacket exhaust pipe 1 again for recycling.
Specifically, the first radiator 41 is a liquid-cooled radiator; the second heat sink 42 is a liquid-cooled heat sink.
Of course, the amount of cooling of the first radiator 41 is smaller than the amount of cooling of the second radiator 42. That is, in a specific use, in consideration of energy saving, when the cooling water after cooling the exhaust gas of the exhaust pipe 11 is cooled, when the temperature of the cooling water is too high, both the first radiator 41 and the second radiator 42 are turned on, and the cooling water is cooled by operating at the same time; when the temperature of the cooling water is not high, only the first radiator 41 is turned on, the first radiator 41 operates to cool the cooling water, the operating state with respect to the first radiator 41 and the second radiator 42 can be adjusted according to the temperature of the cooling water, and the second radiator 42 is also controlled by the control valve 5, so that the adjustment is more sensitive.
Referring to fig. 1 and 2, solid arrows in fig. 1 and 2 represent engine exhaust gas travel, and dashed arrows represent water path 12 travel. A1-A4 in figure 1 is a four-cylinder structure, A1-A4 in figure 2 is a four-cylinder structure, B1-B4 is a four-cylinder structure, and figure 2 shows an eight-cylinder structure.
The operation of the turbocharger system is described below with reference to fig. 1 as an example:
the exhaust gas discharged from the four cylinders A1-A4 passes through the water jacket exhaust pipe 1 and finally enters the vortex end of the supercharger. The solid arrows represent the engine exhaust gas travel, and the dashed arrows represent the water path 12 travel; the water path 12 in the water jacket exhaust pipe 1 cools the exhaust pipe 11, then the water path is gathered through the water outlet pipe, finally reaches the water outlet main pipe and enters the thermostat 6. Cooling water is cooled in two paths after leaving the thermostat 6.
When the temperature of the cooling water is high, the cooling water out of the thermostat 6 enters the radiator component 4 through the first pipeline to carry out heat dissipation and cooling on the cooling water so as to reduce the temperature of the cooling water;
when the temperature of the cooling water is not high, the cooling water out of the thermostat 6 directly enters the water channel 12 of the water jacket exhaust pipe 1 through a second pipeline and is directly recycled.
Referring to fig. 3, the following description will be made on the determination flow of the turbo-charging system:
s301: acquiring the temperature of a turbine inlet of the turbocharger 2 through a temperature sensor 3;
s302: judging whether the turbine inlet air temperature of the turbocharger 2 is less than or equal to 750 ℃; if so, executing S303; otherwise, executing S304;
s303: the radiator module 4 is closed by the control valve 5;
s304: the regulation control valve 5 opens the second radiator 42 at a preset opening value so that the first radiator 41 and the second radiator 42 operate simultaneously.
As shown in fig. 4, the opening degree of the regulation control valve 5 in S304 is specifically regulated by:
s401: acquiring water temperature T1 at a water inlet of a shell through a water temperature sensor 7, and acquiring turbine inlet temperature T2 of a turbocharger 2 through a temperature sensor 3; the relation between T1 and T2 can be obtained through analysis.
S402: judging whether T2 is less than or equal to 750 ℃, if so, executing S403; otherwise, executing S404;
s403: the control valve 5 works according to the current preset opening value, and the first radiator 41 and the second radiator 42 work;
s404: increasing the opening degree of the control valve 5 to increase the cooling amount of the second radiator 42;
s405: the turbine inlet temperature T3 of the turbocharger 2 is acquired, whether T3 is less than or equal to 750 ℃ is judged, and the relation between the turbine inlet temperature T3 of the turbocharger 2 and the opening degree of the control valve 5 can be obtained through analysis. If so, executing S403; otherwise, S404 is executed.
A temperature sensor 3 at the vortex end of the turbocharger 2 is installed, when the temperature is lower than 750 ℃, an Electronic Control Unit (ECU) controls an Electronic Control water valve to be closed, the Electronic Control Unit (ECU) controls a second radiator 42 to be closed, cooling water is cooled normally through a first radiator 41, a water channel 12 circulates normally, and the exhaust temperature at the vortex end of the turbocharger 2 is normal; when the temperature sensor 3 detects that the temperature is higher than 750 ℃, an Electronic Control Unit (ECU) controls the electrically controlled water valve to open, the Electronic Control Unit (ECU) controls the electrically controlled water valve to open according to five percent of valve opening each time, meanwhile, the Electronic Control Unit (ECU) controls the second radiator 42 to open, the second radiator 42 has stronger cooling capacity than the first radiator 41 and can lower the temperature of cooling water, after the two radiators are cooled respectively, the two water paths 12 are mixed again, the temperature of the mixed cooling water can be obtained through the water temperature sensor 7, the exhaust gas of the cylinder is cooled by the mixed water in the water jacket exhaust pipe 1, the exhaust temperature of the vortex end of the turbocharger 2 is obtained again through the temperature sensor 3, the Electronic Control Unit (ECU) judges whether the exhaust temperature is higher than 750 ℃ at the moment, if the temperature is less than 750 ℃, the opening degree of the electrically controlled water valve is kept at five percent, and meanwhile, an Electronic Control Unit (ECU) controls the first radiator 41 and the second radiator 42 to be opened to normally work. And if the Electronic Control Unit (ECU) judges that the exhaust temperature is higher than 750 ℃ at the moment, continuously expanding the opening of the electrically controlled water valve until the vortex-end exhaust temperature of the turbocharger 2 obtained by the Electronic Control Unit (ECU) is lower than 750 ℃.
In a second aspect, an embodiment of the present invention provides an engine system, including an Electronic Control Unit and the turbocharger system of any one of the first aspect, wherein the Electronic Control Unit (ECU) is connected to the turbocharger system.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A turbocharging system, comprising:
a water jacket exhaust pipe for connection with an engine cylinder; the water jacket exhaust pipe comprises an exhaust pipe and a shell surrounding the exhaust pipe, a water channel for cooling the exhaust pipe is formed between the shell and the exhaust pipe, the exhaust pipe is provided with an air inlet and an air outlet, and the shell is provided with a water inlet and a water outlet communicated with the water channel;
the turbocharger is connected with the air outlet of the exhaust pipe;
a temperature sensor located at a vortex port air inlet of the turbocharger;
the liquid inlet of the radiator assembly is connected with the water outlet of the shell, and the liquid outlet of the radiator assembly is connected with the water inlet of the shell;
and the control valve is arranged on a pipeline between the liquid inlet of the radiator assembly and the water outlet of the shell and used for controlling the flow of liquid entering from the liquid inlet of the radiator assembly.
2. The turbocharging system of claim 1, wherein said radiator assembly comprises:
a liquid inlet of the first radiator is connected with a water outlet of the shell, and a liquid outlet of the first radiator is connected with a water inlet of the shell;
and a liquid inlet of the second radiator is connected with a water outlet of the shell, and a liquid outlet of the second radiator is connected with a water inlet of the shell.
3. The turbocharging system of claim 2, wherein said control valve is disposed in a conduit between said second radiator inlet and said housing outlet for controlling the amount of flow of fluid entering said second radiator inlet.
4. The turbocharging system of claim 3, wherein said control valve is an electrically controlled water valve.
5. The turbocharging system of claim 1, further comprising a water temperature sensor;
the water temperature sensor is positioned at the water inlet of the shell.
6. The turbocharging system of claim 1, further comprising a thermostat;
the thermostat is located between the control valve and the water outlet of the housing.
7. The turbocharging system of claim 2, wherein said first heat sink is a liquid cooled heat sink; the second radiator is a liquid cooling radiator.
8. The turbocharging system according to claim 2 or 7, wherein the amount of cooling of said first radiator is smaller than the amount of cooling of said second radiator.
9. An engine system comprising an electronic control unit and a turbocharging system according to any one of claims 1-8, said electronic control unit being connected to said turbocharging system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220491870.3U CN217107203U (en) | 2022-03-09 | 2022-03-09 | Turbocharging system and engine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220491870.3U CN217107203U (en) | 2022-03-09 | 2022-03-09 | Turbocharging system and engine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217107203U true CN217107203U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220491870.3U Active CN217107203U (en) | 2022-03-09 | 2022-03-09 | Turbocharging system and engine system |
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| Country | Link |
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| CN (1) | CN217107203U (en) |
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- 2022-03-09 CN CN202220491870.3U patent/CN217107203U/en active Active
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