Heat management device of automobile engine
Technical Field
The utility model relates to an automobile engine field, concretely relates to automobile engine's heat management device.
Background
For cooling an engine, a water circulation mode is adopted at present to circulate in various pipelines of an engine water jacket, and a wax type mechanical thermostat is arranged in a traditional engine cooling system and used for controlling the opening and closing of an engine cooling circulation, but the wax type thermostat has the following defects: the response speed is low, hysteresis exists in opening and closing, and the engine is easy to generate an over-temperature phenomenon, so that the failure rate of the engine is high; the wax type thermostat is more sensitive to water temperature, and because the opening and closing of the wax type thermostat are influenced by the water temperature, the water temperature of an engine water jacket cannot be accurately controlled, so that quick warming-up cannot be realized, the water temperature can not be adjusted according to the load of an engine, and the oil consumption of the engine is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the embodiment of the utility model provides an automobile engine's heat management device can accurate control engine water jacket temperature, reduces the engine oil consumption.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a thermal management device for an automotive engine, the thermal management device being in communication with a cooling jacket of the engine, the thermal management device comprising: the first ball valve and the second ball valve are both of hollow structures and are communicated with each other; the shell is wrapped and sealed on the outer walls of the first ball valve and the second ball valve; the rotary actuator is fixedly connected to the shell and controls the first ball valve and the second ball valve to rotate; one end of the driving shaft is fixed in the cavity of the first ball valve and the cavity of the second ball valve, and the other end of the driving shaft is meshed with the rotary actuator; and the water temperature sensor is fixed at the circulating water outlet of the cooling water jacket and is electrically connected with a central processing unit of the vehicle.
Further, the first ball valve is respectively connected to a small circulation water return pipe and a large circulation water return pipe of the cooling water jacket, and the second ball valve is respectively connected to a warm air water return pipe, an oil cooler water return pipe and a cooler water return pipe of the cooling water jacket.
Furthermore, a first valve corresponding to the small circulation water return pipe and a second valve corresponding to the large circulation water return pipe are arranged on the first ball valve.
Furthermore, a third valve corresponding to the warm air return pipe and a fourth valve corresponding to the oil cooler return pipe are arranged on the second ball valve; and the top end of the second ball valve is communicated with a cooler water return pipe of the engine water jacket.
Further, the rotary actuator is internally provided with a motor, and the motor controls the rotation angle of the driving shaft; the motor is electrically connected to the central processing unit and used for adjusting the rotation of the motor.
Furthermore, sealing ring components are arranged in the small circulation water return pipe, the large circulation water return pipe, the warm air water return pipe and the oil cooler water return pipe.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the embodiment of the technical scheme discloses a heat management device of an automobile engine, the heat management device communicates in the cooling water jacket of engine, utilizes first ball valve and second ball valve on the special management device can the accurate control wherein carry out the accurate control to each return first pipeline of engine cooling water jacket, thereby the opening and closing of little circulation wet return, major loop wet return, warm braw wet return and oil cooler wet return, because the inside rotary actuator that is provided with of heat management device, through rotary actuator is right the response speed of cooling water jacket control is faster, to engine cooling temperature control more accurate to engine fault rate has also been reduced when having reduced engine oil consumption.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a thermal management device of an automobile engine according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a thermal management device of an automobile engine according to an embodiment of the present invention;
fig. 3 is a schematic sectional view of the thermal management device of the automobile engine according to the present invention.
In the figure:
1-a thermal management device; 101-a housing; 102-a rotary actuator; 103-an electric motor; 104-a first ball valve; 1041-a second valve; 1042 — a first valve; 105-a second ball valve; 1051-a fourth valve; 1052-a third valve; 106-a drive shaft; 2-a small circulation water return pipe; 3-warm air return pipe; 4-a water return pipe of the cooler; 5-a return pipe of the oil cooler; 6-a large-circulation water return pipe; 7-sealing ring assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention 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.
Fig. 1 and 2 disclose a schematic structural diagram of a thermal management device of an automobile engine, wherein the thermal management device is communicated with a cooling water jacket of the engine, and the thermal management device 1 comprises: the ball valve assembly comprises a first ball valve 104 and a second ball valve 105, wherein the first ball valve 104 and the second ball valve 105 are both hollow structures and are communicated with each other; a housing 101, which is wrapped and sealed on the outer walls of the first ball valve 104 and the second ball valve 105; a rotary actuator 102 fixedly connected to the housing 101 and controlling the first ball valve 104 and the second ball valve 105 to rotate; a driving shaft 106, one end of which is fixed inside the cavity of the first ball valve 104 and the second ball valve 105, and the other end of which is engaged and connected to the rotary actuator 102; and the water temperature sensor is fixed at the circulating water outlet of the cooling water jacket and is electrically connected with a central processing unit of the vehicle. The temperature sensor transmits temperature control information to the vehicle central processing unit, and the vehicle central processing unit converts the regulation and control information into the switching-on and switching-off information of different water return pipes through the heat management device, so that the heat management device can control the cooling temperature of the engine more accurately, the heating efficiency of the engine is improved, and the oil consumption is reduced.
Preferably, the first ball valve 104 is respectively connected to the small circulation water return pipe 2 and the large circulation water return pipe 6 of the cooling jacket, and the second ball valve 105 is respectively connected to the warm air water return pipe 3, the oil cooler water return pipe 5 and the cooler water return pipe 4 of the cooling jacket. Further, the first ball valve 104 is provided with a first valve 1042 corresponding to the small-circulation water return pipe 2, and a second valve 1041 corresponding to the large-circulation water return pipe 6. Further, a third valve 1052 corresponding to the warm air return pipe 3 and a fourth valve 1051 corresponding to the oil cooler return pipe 5 are arranged on the second ball valve 105; the top end of the second ball valve 105 is connected with a cooler return pipe 4 of the engine water jacket. The cooling water jacket of the automobile engine is in a communicated state all the time in the working process, the cooler water return pipe 4 is in a communicated state, and the first valve 1042, the second ball valve 105, the third valve 1052 and the fourth valve 1051 are respectively in different ball valve positions, namely the first valve 1042, the second ball valve 105, the third valve 1052 and the fourth valve 1051 are not on the same straight line, so that the opening and closing of the small-circulation water return pipe 2 can be controlled through the rotation of the first valve 1042, when the first valve 1042 on the first ball valve 104 is gradually rotated to be in contact with the small-circulation water return pipe 2, the small-circulation water return pipe 2 is gradually communicated, and otherwise, the small-circulation water return pipe 2 is gradually closed; similarly, the second ball valve 105, the third valve 1052 and the fourth valve 1051 are all kept to be connected and closed with other water return pipes through rotation. Preferably, the rotary actuator 102 is provided with a motor 103 inside, and the motor 103 controls the rotation angle of the driving shaft 106; the motor 103 is electrically connected to the cpu, and is configured to regulate rotation of the motor 103. In order to accurately control the rotation angles of all the valves, the rotation shafts meshed with the motor 103 arranged in the rotary actuator 102 accurately control the rotation angles of the first ball valve 104 and the second ball valve 105, so that the temperature of the water jacket of the engine is controlled more stably, the engine works in a more stable temperature range, and the optimal oil consumption level of the engine is ensured.
As shown in fig. 3, the small-circulation water return pipe 2, the large-circulation water return pipe 6, the warm air water return pipe 3, and the oil cooler water return pipe 5 are all provided with a sealing ring assembly 7 inside, when the four water return pipes are in a connected state, the sealing ring assembly 7 allows circulating cooling water to easily pass through the sealing ring assembly 7 due to the large pressure of the circulating cooling water, when the valves corresponding to the four water return pipes are closed, a certain gap is formed between the valves and the water return pipes, so that a leaking part of the circulating cooling water enters the water return pipes under a large pressure, and at this time, the sealing ring assembly 7 can prevent the circulating cooling water from further flowing, thereby improving the accuracy of the thermal management device in controlling the temperature of the engine water jacket.
Above-mentioned all optional technical scheme can adopt arbitrary combination to form the optional embodiment of this utility model, and the repeated description is no longer given here.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.