CN214698036U - Vehicle, power system and thermostat assembly - Google Patents

Abstract

The utility model provides a vehicle, driving system and thermoregulator assembly. The temperature regulator assembly comprises a first temperature regulator, a second temperature regulator and a bypass pipeline, wherein a first accommodating space is formed in the first temperature regulator, a first water inlet, a second water inlet, a first water outlet and a second water outlet are formed in the first temperature regulator, and the first water inlet, the second water inlet, the first water outlet and the second water outlet are communicated with the first accommodating space; a second accommodating space is formed in the second temperature regulator, a third water inlet, a fourth water inlet and a third water outlet are formed in the second temperature regulator, the third water inlet, the fourth water inlet and the third water outlet are communicated with the second accommodating space, and the second water outlet of the first temperature regulator is connected with the fourth water inlet of the second temperature regulator through a bypass pipeline. The utility model provides a temperature regulation mode of power spare single, the technical problem of the temperature of unable accurate control power spare.

Description

Vehicle, power system and thermostat assembly

Technical Field

The utility model relates to a control by temperature change technical field, in particular to vehicle, driving system and thermoregulator assembly.

Background

The conventional thermostat is usually a single thermostat, the single thermostat is used for adjusting the temperature of the power part, the temperature adjusting mode of the power part is single, and the temperature of the power part cannot be accurately controlled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vehicle, driving system and thermoregulator assembly to the temperature regulation mode of solving the power spare is single, the technical problem of the temperature of unable accurate control power spare.

The utility model provides a thermostat assembly for adjust and control the temperature of power spare through the radiator, the power spare includes first heating element and second heating element, the thermostat assembly includes first thermostat, second thermostat and bypass pipeline, be formed with first accommodation space in the first thermostat, be equipped with first water inlet, second water inlet, first delivery port and second delivery port on the first thermostat, first water inlet, the second water inlet, the first delivery port and the second delivery port all communicate with the first accommodation space, first water inlet with first heating element is connected, the second water inlet with the second heating element is connected, first delivery port with the radiator is connected; a second accommodating space is formed in the second thermostat, a third water inlet, a fourth water inlet and a third water outlet are formed in the second thermostat, the third water inlet, the fourth water inlet and the third water outlet are all communicated with the second accommodating space, the third water inlet is connected with the radiator, and the third water outlet is respectively connected with the first heating element and the second heating element; and the second water outlet of the first temperature regulator is connected with the fourth water inlet of the second temperature regulator through the bypass pipeline.

And a first control valve is arranged in the first accommodating space and used for controlling the opening degree of the second water inlet.

Wherein the first control valve is used for adjusting the opening degree of the second water inlet according to the temperature of the first heating element. A second control valve is arranged in the second accommodating space and used for controlling the opening degree of the fourth water inlet; and/or a third control valve arranged at an interval with the second control valve is arranged in the second accommodating space, and the third control valve is used for controlling the opening of the third water inlet.

The second thermostat is provided with a temperature control part, the temperature control part is connected with the second control valve and the third control valve, and the temperature control part is used for controlling the opening degrees of the second control valve and the third control valve according to the temperature of the power part.

Wherein the second control valve and the third control valve are linked; when the temperature control controls the second control valve to be closed, the third control valve is opened; and when the temperature control controls the third control valve to be closed, the second control valve is opened.

And the second temperature regulator is also provided with at least one fifth water inlet, and the fifth water inlet and the third water outlet are normally open.

The utility model provides a power system, including the power part as above-mentioned thermosistor assembly, first water inlet with first heating element connects, the second water inlet with second heating element connects, the third delivery port respectively with first heating element with second heating element connects.

The power part is an engine, the first heating element is a cylinder cover water jacket, and the second heating element is a cylinder body water jacket.

The utility model provides a vehicle, including foretell driving system.

To sum up, this application is through setting up first thermoregulator and second thermoregulator, and the temperature of power spare can be adjusted jointly to first thermoregulator and second thermoregulator, and the temperature regulation mode of power spare is various, can the temperature of accurate control power spare. Moreover, a bypass pipeline is integrated in the thermostat assembly, and the technical problem that the cost is high due to the fact that the bypass pipeline needs to be added independently in a traditional single thermostat is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a thermostat assembly provided by an embodiment of the present invention.

Fig. 2 is a schematic sectional structure of fig. 1.

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 efforts belong to the protection scope of the present invention.

The utility model provides a vehicle, including driving system.

The power system comprises a power part and a thermostat assembly. The thermostat assembly is used for regulating and controlling the temperature of the power part through the radiator. The power system also comprises a warm air and oil cooler.

Referring to fig. 1-2, the present invention provides a thermostat assembly for controlling the temperature of a power component through a radiator, wherein the power component includes a first heating element and a second heating element, and the thermostat assembly includes a first thermostat 30, a second thermostat 20 and a bypass pipe.

A first containing space 301 is formed in the first temperature regulator 30, a first water inlet 1, a second water inlet 7, a first water outlet 2 and a second water outlet 17 are arranged on the first temperature regulator 30, the first water inlet 1, the second water inlet 7, the first water outlet 2 and the second water outlet 17 are communicated with the first containing space 301, the first water inlet 1 is connected with a first heating element, the second water inlet 7 is connected with a second heating element, and the first water outlet 2 is connected with a radiator.

A second accommodating space 201 is formed in the second thermostat 20, a third water inlet 3, a fourth water inlet 18 and a third water outlet 6 are arranged on the second thermostat 20, the third water inlet 3, the fourth water inlet 18 and the third water outlet 6 are all communicated with the second accommodating space 201, the third water inlet 3 is connected with a radiator, and the third water outlet 6 is respectively connected with the first heating element and the second heating element.

The second water outlet 17 of the first thermostat 30 is connected with the fourth water inlet 18 of the second thermostat 20 through a bypass pipe.

In this application, through setting up first thermoregulator 30 and second thermoregulator 20, the temperature of power spare can be adjusted jointly to first thermoregulator 30 and second thermoregulator 20, and the temperature regulation mode of power spare is various, can the temperature of accurate control power spare. Moreover, a bypass pipeline is integrated in the thermostat assembly, and the technical problem that the cost is high due to the fact that the bypass pipeline needs to be added independently in a traditional single thermostat is solved.

In a specific embodiment, the power member is an engine, the first heating element is a cylinder head water jacket, and the second heating element is a cylinder block water jacket. The cylinder cover water jacket is connected with the first water inlet 1, and the cylinder body water jacket is connected with the second water inlet 7. The technical problems that a traditional single thermostat is arranged at a water outlet or a water inlet of an engine, water can not be fed and discharged from an engine cylinder body under independent control, and the cooling mode of the engine is single are solved. The engine will be described as follows.

It can be understood that the flowing water flowing through the cylinder head water jacket can enter the first accommodating space 301 through the first water inlet 1, the flowing water flowing through the cylinder head water jacket can enter the first accommodating space 301 through the second water inlet 7, the flowing water in the first accommodating space 301 can flow out of the first water outlet 2 and enter the radiator, and the flowing water flowing through the radiator can enter the second accommodating space 201 from the third water inlet 3. The flowing water in the first accommodating space 301 may also flow into the second accommodating space 201 through the second water outlet 17, the bypass pipe 11 and the fourth water inlet 18 in sequence, and the flowing water in the second accommodating space 201 may be discharged from the third water outlet 6. The flowing water may be cooling water. The third water inlet 3 is connected with the water outlet of the radiator, and the first water outlet 2 is connected with the water inlet of the radiator.

It can be understood that since the first water inlet 1 is communicated with the cylinder head water jacket and the second water inlet 7 is communicated with the cylinder body water jacket, the engine is connected with the first temperature regulator 30; since the second water outlet 17 is connected to the water pump, the water pump is connected to the second thermostat 20. Thus, the thermostat assembly of the present application is connected between the engine and the water pump.

In a specific embodiment, the second thermostat 20 is further provided with at least one fifth water inlet, and the fifth water inlet and the third water outlet 6 are always open. It is understood that the number of the fifth water inlets may be two, as in fig. 1, one fifth water inlet 4 may be connected with warm air, the other fifth water inlet 5 may be connected with an engine oil cooler, the third water outlet 6 may be connected with the cylinder water jacket through a water pump, and the third water outlet 6 may be connected with the cylinder water jacket through a water pump. Since the fifth water inlet and the third water outlet 6 are in a normally open state, the flowing water can continuously enter from the fifth water inlet and be discharged from the third water outlet 6.

In the application, a first water inlet 1, a second water inlet 7, a first water outlet 2, a third water inlet 3, a fifth water inlet and a third water outlet 6 are all arranged on a thermostat assembly, 6-7 pipe joints are integrated on the thermostat assembly, and the technical problem that the cost of the whole thermostat is increased due to the fact that 2-3 pipe joints are only integrated on most of the existing thermostats, the rest of the thermostats are distributed on all pipelines, and the integration level is not high is solved.

In a specific embodiment, a first control valve 8 is arranged in the first accommodating space 301, and the first control valve 8 is used for controlling the opening degree of the second water inlet 7. It can be understood that the temperature sensing wax is arranged in the first accommodating space 301, the temperature sensing wax can sense the temperature of the engine, the temperature sensing wax expands in volume when the temperature is high, the opening degree of the first control valve 8 is pushed to increase, the volume is reduced when the temperature is low, the opening degree of the first control valve 8 is pushed to decrease, and the control of the opening degree of the second water inlet 7 by the first control valve 8 is realized by the volume change of the temperature sensing wax. The opening degree of the second water inlet 7 in the present application may be 0-100%, such as 10%, 30%, 50%, 70%, or 80%.

In a specific embodiment the first control valve 8 is arranged to adjust the opening of the second water inlet 7 in dependence of the temperature of the first heat generating element. For example, the first control valve 8 may adjust the opening degree of the second water inlet 7 according to the temperature of the head water jacket. Specifically, when the temperature of a first heating element, such as a cylinder head water jacket, rises, the temperature sensing wax expands, the first control valve 8 controls the second water inlet 7 to be opened, and the opening degree of the second water inlet 7 can be controlled to gradually increase; when the temperature of the first heating element, such as a cylinder head water jacket, is reduced, the temperature sensing wax contracts, the first control valve 8 controls the opening degree of the second water inlet 7 to be gradually reduced, and the second water inlet 7 can be controlled to be closed. It will be appreciated that the temperature sensitive wax may sense the temperature of the water flowing from the head jacket, i.e. the temperature sensitive wax senses the temperature of the head jacket by sensing the temperature of the water flowing from the head jacket.

In the application, when the temperature of the flowing water flowing through the cylinder cover water jacket is lower than the opening temperature of the cylinder body water jacket, the first control valve 8 controls the second water inlet 7 to be closed; when the temperature of the flowing water flowing through the cylinder cover water jacket is greater than or equal to the opening temperature of the cylinder body water jacket, the first control valve 8 controls the conduction of the second water inlet 7 and controls the opening degree of the second water inlet 7; alternatively, the second water inlet 7 may be fully open. The first control valve 8 and the parts in the first accommodation space 301 may form a mechanical control assembly 13. The first control valve 8 may be an electronic valve or a mechanical valve.

In a specific embodiment, a second control valve 9 is arranged in the second accommodating space 201, and the second control valve 9 is used for controlling the opening degree of the fourth water inlet 18; and/or a third control valve 10 is arranged in the second accommodating space 201 and is spaced from the second control valve 9, and the third control valve 10 is used for controlling the opening degree of the third water inlet 3. It is understood that the opening degree of the fourth water inlet 18 controlled by the second control valve 9 may be 0-100%, such as 10%, 30%, 50%, 70%, or 80%. The second control valve 9 may be an electronic valve. The opening degree of the third water inlet 3 controlled by the third control valve 10 may be 0-100%, such as 10%, 30%, 50%, 70%, or 80%. The third control valve 10 is an electronic valve. The second control valve 9 and the third control valve 10 may form an electronic valve assembly 12.

In a specific embodiment, the second thermostat 20 is provided with a temperature control element, the temperature control element is connected with the second control valve 9 and the third control valve 10, and the temperature control element is used for controlling the opening degrees of the second control valve 9 and the third control valve 10 according to the temperature of the power element. For example, the temperature control member may control the opening degrees of the second control valve 9 and the third control valve 10 according to the temperature of the engine. It is understood that the temperature control member may control the opening degree of the second control valve 9 alone, or the opening degree of the third control valve 10 alone, or both the second control valve 9 and the third control valve 10.

In some embodiments, the temperature sensing wax is disposed in the second accommodating space 201, the second thermostat 20 is provided with a temperature sensor, the temperature sensor is connected to a temperature control unit, the temperature sensor is configured to acquire a temperature of the engine, the temperature control unit calculates a difference between a required temperature and a current temperature according to the temperature (current temperature) of the engine acquired by the temperature sensor, controls expansion or contraction of the temperature sensing wax according to the difference, and controls opening degrees of the second control valve 9 and the third control valve 10 according to the expansion or contraction of the temperature sensing wax. That is, the temperature control member can actively control the expansion or contraction of the temperature sensitive wax, and can control the expansion amount or contraction amount of the temperature sensitive wax, thereby accurately controlling the opening degrees of the second control valve 9 and the third control valve 10. Moreover, the fifth water inlet that this application is always on can also be used for making flowing water continuously wash away the temperature control spare for temperature sensing wax temperature on the temperature control spare is even.

In a particular embodiment, the second control valve 9 and the third control valve 10 are coupled; when the temperature control part controls the second control valve 9 to close, the third control valve 10 is opened; when the temperature control controls the third control valve 10 to be closed, the second control valve 9 is opened. It will be appreciated that the second control valve 9 and the third control valve 10 may be partially open at the same time, and the opening degrees of the second control valve 9 and the third control valve 10 may be different or may be the same. Of course, the second control valve 9 and the third control valve 10 may also be switched to be opened, for example, when the second control valve 9 is closed, the third control valve 10 is opened; when the third control valve 10 is closed, the second control valve 9 is opened.

When the temperature of the engine sensed by the temperature sensor is lower than the optimal temperature of the engine, the temperature control part controls the second control valve 9 to be opened, the third control valve 10 to be closed, the second control valve 9 controls the fourth water inlet 18 to be communicated, controls the opening degree of the fourth water inlet 18, regulates and controls the flowing water quantity flowing through the bypass pipeline 11, controls the flowing water quantity flowing in the power system, and can regulate and control the temperature of the engine more accurately; when the temperature of the engine sensed by the temperature sensor is greater than or equal to the optimum temperature of the engine, the temperature control part controls the third control valve 10 to be opened, the third control valve 10 controls the third water inlet 3 to be communicated, the opening of the third water inlet 3 is controlled, the flowing water quantity flowing through the radiator is regulated and controlled, the flowing water quantity flowing in the power system is controlled, and the temperature of the engine can be regulated and controlled more accurately. It will be appreciated that the second control valve 9 is partially open, or closed, when the third control valve 10 is open. I.e. the third water inlet 3 and the fourth water inlet 18 may be simultaneously partly open, or the fourth water inlet 18 may be closed during the opening of the third water inlet 3.

It is to be understood that the first thermostat 30 is a mechanical thermostat and the second thermostat 20 is an electronic thermostat. In other implementation manners of the present application, the first temperature regulator 30 may be an electronic temperature regulator, and the adjustment manner of the first temperature regulator 30 may refer to the second temperature regulator 20, which is not described herein again.

In a specific embodiment, the thermostat assembly further comprises a sealing ring 14, wherein the sealing ring 14 is sleeved on the second water inlet 7 and used for sealing the second water inlet 7 and the cylinder water jacket.

In a specific embodiment, an included angle between the extending direction of the central axis of the third water inlet 3 and the extending direction of the central axis of the first water outlet 2 is smaller than a preset angle. For example, the predetermined included angle is 45 ° or less. For example, it may be 5 °, 15 °, 20 °, 45 °, etc. It will be appreciated that the third inlet 3 is located in substantially the same orientation as the first outlet 2.

In this application, set up the extending direction of 3 the central axes of third inlet and 2 the extending direction of the central axes of first delivery port contained angle between be less than predetermineeing the angle for radiator water inlet interface and radiator water outlet interface do benefit to the assembly of rubber tube in same direction. The technical problem that the traditional single thermostat is only provided with a radiator water inlet interface or a radiator water outlet interface, and the radiator water inlet interface and the radiator water outlet interface are not in the same direction due to the characteristic of an engine water jacket, so that the assembly of a rubber pipe is not facilitated is solved.

In a specific embodiment, the central axis of the third water inlet 3 extends in the same direction as the central axis of the first water outlet 2. This facilitates the assembly of the hose even more.

As can be seen from the above, the present application includes at least the following 3 flow-through scenarios:

the first method comprises the following steps:

the first control valve 8 is closed, the second water inlet 7 is closed, the temperature control part controls the second control valve 9 to be opened, the fourth water inlet 18 to be communicated is controlled, the bypass pipeline 11 is communicated, and the temperature control part controls the third water inlet 3 to be closed by controlling the third control valve 10 to be closed.

The flowing water flowing through the water jacket of the cylinder head enters the first accommodating space 301 from the first water inlet 1, then flows through the bypass pipe 11 to enter the second accommodating space 201, joins with the flowing water flowing through the warm air from the fifth water inlet 4 to enter the second accommodating space 201, and flows through the oil cooler from the fifth water inlet 5 to enter the second accommodating space 201, and then is discharged from the third water outlet 6 to enter the water pump.

And the second method comprises the following steps:

the first control valve 8 is opened, the second water inlet 7 is communicated, the temperature control part is opened by controlling the second control valve 9 to control the fourth water inlet 18 to be communicated, the bypass pipeline 11 is communicated, and the temperature control part is closed by controlling the third control valve 10 to control the third water inlet 3 to be closed.

The flowing water flowing through the cylinder head water jacket enters the first accommodating space 301 from the first water inlet 1, is combined with the flowing water flowing through the cylinder head water jacket and entering the first accommodating space 301 from the second water inlet 7, then flows into the second accommodating space 201 through the bypass pipeline 11, is combined with the flowing water flowing through the warm air and entering the second accommodating space 201 from the fifth water inlet 4, is combined with the flowing water flowing through the oil cooler and entering the second accommodating space 201 from the fifth water inlet 5, and then is discharged from the third water outlet 6 to enter the water pump.

And the third is that:

the first control valve 8 is opened, the second water inlet 7 is communicated, the temperature control part controls the second control valve 910 to close, the fourth water inlet 18 to close, the bypass pipeline 11 to close, and the temperature control part controls the third water inlet 3 to communicate by controlling the third control valve 10 to open.

The flowing water flowing through the cylinder head water jacket enters the first accommodating space 301 from the first water inlet 1, is combined with the flowing water flowing through the cylinder body water jacket and entering the first accommodating space 301 from the second water inlet 7, then enters the radiator from the first water outlet 2, enters the second accommodating space 201 from the third water inlet 3, is combined with the flowing water flowing through the warm air and entering the second accommodating space 201 from the fifth water inlet 4, and is combined with the flowing water flowing through the oil cooler and entering the second accommodating space 201 from the fifth water inlet 5, then is discharged from the third water outlet 6, and enters the water pump.

It will be appreciated that the first and second flow regimes are both small cycles and the third flow regime is large. When the large cycle is on, the small cycle is off.

The utility model provides a thermostat assembly internal integration has little circulation passage, and the delivery port of intercommunication engine and the water inlet of water pump have compared in traditional single thermostat and have reduced the little circulation pipeline of the same way, the cost is reduced and the space that occupies is reduced. Moreover, the control method and the control device can control the large circulation to be opened and the small circulation to be closed when the engine is under a large load, and are favorable for heat dissipation.

This application integrates all water inlets and all delivery ports through the thermoregulator assembly, and all water inlets and all delivery ports have sufficient space holding, and the volume of thermoregulator can set up lessly, compares in traditional single thermoregulator, has integrated all water inlets and all delivery ports on traditional single thermoregulator, and traditional single thermoregulator is bulky, and the structure is too complicated. The thermostat of this application is small, simple structure. Moreover, the thermostat assembly is provided with the second water inlet 7 for connecting the water jacket of the cylinder body and the first water inlet 1 for connecting the water jacket of the cylinder cover, and the first water inlet 1 and the second water inlet 7 can be arranged to be shorter, so that the technical problems that the pipe orifice of the water inlet of the traditional single thermostat, which is caused by the fact that the traditional single thermostat is only provided with one water inlet connected with an engine, is too long, the cost is increased and extra space is occupied are solved.

Be equipped with three control valve on this application, realize driving system's three kinds of circulation routes, can accurate control engine water temperature, improve the engine performance. The first water inlet 1 and the second water inlet 7 which are arranged on the thermostat assembly can shorten the length of a pipeline between an engine and a water inlet and a water outlet of the radiator before the thermostat assembly is mounted on the radiator, and the orientations of the interfaces of the water inlet and the water outlet of the radiator are consistent or basically consistent, so that the assembly is facilitated; the thermostat assembly is arranged between a water pump and a water outlet of an engine cylinder body, the first water inlet 1 is directly connected with a cylinder cover water jacket, and the second water inlet 7 is directly connected with a cylinder body water jacket, so that the cost and the space are saved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. A thermostat assembly is used for regulating and controlling the temperature of a power part through a radiator, the power part comprises a first heating element and a second heating element, the thermostat assembly is characterized by comprising a first thermostat, a second thermostat and a bypass pipeline,

a first accommodating space is formed in the first temperature regulator, a first water inlet, a second water inlet, a first water outlet and a second water outlet are formed in the first temperature regulator, the first water inlet, the second water inlet, the first water outlet and the second water outlet are communicated with the first accommodating space, the first water inlet is connected with the first heating element, the second water inlet is connected with the second heating element, and the first water outlet is connected with the radiator;

a second accommodating space is formed in the second thermostat, a third water inlet, a fourth water inlet and a third water outlet are formed in the second thermostat, the third water inlet, the fourth water inlet and the third water outlet are all communicated with the second accommodating space, the third water inlet is connected with the radiator, and the third water outlet is respectively connected with the first heating element and the second heating element;

and the second water outlet of the first temperature regulator is connected with the fourth water inlet of the second temperature regulator through the bypass pipeline.

2. The thermostat assembly of claim 1, wherein a first control valve is disposed in the first accommodating space, the first control valve being configured to control an opening degree of the second water inlet.

3. Thermostat assembly according to claim 2, wherein the first control valve is adapted to adjust the opening of the second water inlet depending on the temperature of the first heat generating element.

4. The thermostat assembly according to claim 1, wherein a second control valve is provided in the second accommodating space, the second control valve being configured to control an opening degree of the fourth water inlet; and/or a third control valve arranged at an interval with the second control valve is arranged in the second accommodating space, and the third control valve is used for controlling the opening of the third water inlet.

5. The thermostat assembly of claim 4, wherein the second thermostat is provided with a temperature control element, the temperature control element is connected with the second control valve and the third control valve, and the temperature control element is used for controlling the opening degrees of the second control valve and the third control valve according to the temperature of the power element.

6. The thermostat assembly of claim 5, wherein the second control valve and the third control valve are ganged; when the temperature control controls the second control valve to be closed, the third control valve is opened; and when the temperature control controls the third control valve to be closed, the second control valve is opened.

7. The thermostat assembly of claim 1, wherein the second thermostat is further provided with at least one fifth water inlet, and the fifth water inlet and the third water outlet are normally open.

8. A power system comprising a power unit, the thermostat assembly of any one of claims 1-7, wherein the first water inlet is connected to the first heat generating element, the second water inlet is connected to the second heat generating element, and the third water outlet is connected to the first heat generating element and the second heat generating element, respectively.

9. The power system of claim 8, wherein the power element is an engine, the first heating element is a cylinder head water jacket, and the second heating element is a cylinder block water jacket.

10. A vehicle comprising a powertrain as claimed in claim 8 or 9.

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