CN203756306U - Engine cooling system and vehicle - Google Patents
Engine cooling system and vehicle Download PDFInfo
- Publication number
- CN203756306U CN203756306U CN201420097950.6U CN201420097950U CN203756306U CN 203756306 U CN203756306 U CN 203756306U CN 201420097950 U CN201420097950 U CN 201420097950U CN 203756306 U CN203756306 U CN 203756306U
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- thermostat
- water
- outlet
- water tank
- engine
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Abstract
The utility model discloses an engine cooling system and a vehicle. The engine cooling system comprises a cylinder cover water jacket, a cylinder body water jacket, a water pump, a thermostat and a water tank, wherein an inlet of the cylinder cover water jacket is communicated with an outlet of the cylinder body water jacket, a water outlet of the water pump is communicated with an inlet of the cylinder body water jacket, an outlet of the cylinder cover water jacket is communicated with an inlet of the thermostat, a small circulating outlet of the thermostat is connected with a water inlet of the water pump, a large circulating outlet of the thermostat is communicated with a water inlet of the water tank, the water inlet of the water pump is connected with a water outlet of the water tank, and the engine cooling system is further characterized by comprising a check valve. The check valve is arranged between the water inlet of the water pump and the water outlet of the water tank, and is arranged between the connecting point of the small circulating outlet of the thermostat and the water inlet of the water pump and the water outlet of the water tank, and the check valve only allows flow in the direction from the water outlet of the water tank to the water inlet of the water pump. According to the engine cooling system, cooling liquid of a small circulating engine is separated from engine cooling liquid in the water tank, heat exchange is not performed between the cooling liquid of the small circulating engine and the engine cooling liquid in the water tank, and the engine warming time is shortened.
Description
Technical field
The utility model relates to automobile technical field, particularly relates to a kind of engine-cooling system and vehicle.
Background technique
Car engine cooling system comprises short circle and major cycle, in the time of automobile engine starting engine coolant temperature lower than engine-cooling system in the open temp of thermostat, therefore engine-cooling system carries out short circle, but the engine coolant that carries out short circle remains with the water tank intrinsic motivation cooling liquid of not carrying out short circle and contacts, and carry out heat exchange and reduce the coolant temperature of carrying out short circle, extend the warm-up period of motor car engine, increased the consumption of fuel oil.
Model utility content
The purpose of this utility model is to provide engine coolant that a kind of separation carries out short circle and the engine-cooling system of water tank intrinsic motivation cooling liquid to overcome the above-mentioned problems in the prior art.
For achieving the above object, the utility model provides a kind of engine-cooling system, described engine-cooling system comprises cylinder cover water jacket, cylinder body water jacket, water pump, thermostat and water tank, the entrance of cylinder cover water jacket is communicated with the outlet of cylinder body water jacket, pump outlet is communicated with the entrance of cylinder body water jacket, the outlet of cylinder cover water jacket is communicated with thermostat entrance, the outlet of thermostat short circle is connected with pump intake, thermostat major cycle outlet is communicated with water tank inlet, and pump intake is connected with water outlet of water tank, described engine-cooling system further comprises one-way valve, described one-way valve is arranged between described pump intake and described water outlet of water tank, and between described thermostat short circle outlet and the tie point and described water outlet of water tank of described pump intake, described one-way valve only allows flowing from water outlet of water tank to pump intake direction.
The utility model also provides a kind of engine-cooling system, comprise cylinder cover water jacket, cylinder body water jacket, water pump, thermostat and water tank, the entrance of cylinder cover water jacket is communicated with the outlet of cylinder body water jacket, pump outlet is communicated with the entrance of cylinder body water jacket, the outlet of cylinder cover water jacket is communicated with thermostat entrance, the outlet of thermostat short circle is connected with pump intake, thermostat major cycle outlet is communicated with water outlet of water tank, and the outlet of cylinder cover water jacket is connected with water tank inlet, it is characterized in that, described engine-cooling system further comprises one-way valve, described one-way valve is arranged between the outlet and described water tank inlet of described cylinder cover water jacket, and between the tie point and described water tank inlet of the outlet of described thermostat entrance and cylinder cover water jacket, described one-way valve only allows to flow to flowing of the mouth of a river from the water tank that is exported to of cylinder cover water jacket.
When thermostat intrinsic motivation coolant temperature is lower than first threshold, the thermostat main valve of described thermostat and described closed check valve, described engine coolant enters in described thermostat by described engine water outlet from described cylinder cap, and described engine coolant enters described water pump by described pump water inlet again.
In the time that thermostat intrinsic motivation coolant temperature is between first threshold and Second Threshold, the thermostat main valve part of described thermostat is opened and described one-way valve is opened, described engine coolant enters in described thermostat by described engine water outlet from described cylinder cap, described engine coolant is entered described water tank, is entered described water pump by described pump water inlet by described tank inlet pipe again, and the engine coolant that enters described water tank enters described water pump by described radiator drain, described one-way valve and one-way valve outlet pipe.
When thermostat intrinsic motivation coolant temperature is during higher than Second Threshold, the thermostat main valve of described thermostat is opened completely and described one-way valve is opened, described engine coolant enters in described thermostat by described engine water outlet from described cylinder cap, described engine coolant enters described water tank from described thermostat by described tank inlet pipe, and the engine coolant that enters described water tank enters described water pump by described radiator drain, described one-way valve and one-way valve outlet pipe.
Preferably, first threshold temperature range is 80 DEG C to 82 DEG C.
Preferably, Second Threshold temperature range is 90 DEG C to 95 DEG C.
The utility model also provides a kind of vehicle, and described vehicle comprises engine-cooling system as above.
The utility model provides engine coolant that a kind of separation carries out short circle and the engine-cooling system of water tank intrinsic motivation cooling liquid, can realize engine coolant and the isolation of water tank intrinsic motivation cooling liquid of carrying out short circle, thereby both do not carry out heat exchange and reduce the engine warm-up time, and reduce the fuel consumption of motor.
Brief description of the drawings
Fig. 1 is according to the structural representation of the utility model one embodiment's engine-cooling system.
Reference character:
| 1 | Cylinder cover water jacket | 71 | Pump outlet |
| 2 | Cylinder body water jacket | 72 | Pump intake |
| 3 | Water pump | 73 | Water outlet of water tank |
| 4 | Thermostat | 74 | Water tank inlet |
| 5 | Water tank | 75 | One-way valve water outlet |
| 6 | One-way valve |
Embodiment
For object, technological scheme and advantage that the utility model is implemented are clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Fig. 1 is the utility model engine cooling system structure schematic diagram.
In the embodiment shown in fig. 1, engine-cooling system comprises cylinder cover water jacket 1, cylinder body water jacket 2, water pump 3, thermostat 4, water tank 5 and one-way valve 6, the entrance of cylinder cover water jacket 1 is communicated with the outlet of cylinder body water jacket 2, pump outlet 71 is communicated with the entrance of cylinder body water jacket 2, the outlet of cylinder cover water jacket 1 is communicated with the entrance of thermostat 4, the short circle outlet of thermostat 4 is connected with pump intake 72, the major cycle outlet of thermostat 4 is communicated with water tank inlet 74, and pump intake 72 is connected with water outlet of water tank 73.
One-way valve 6 is arranged between pump intake 72 and water outlet of water tank 73, and one-way valve 6 is between thermostat 4 short circle outlets and the tie point and described water outlet of water tank 73 of pump intake 72.
One-way valve 6 only allows flowing from water outlet of water tank 73 to pump intake 72 directions, under the safety check effect of one-way valve 6, engine coolant cannot be back to water tank 5 from water pump 3, therefore enter water pump engine coolant cannot with water tank in engine coolant carry out heat exchange and reduce the coolant temperature in water pump.
Described engine-cooling system comprises short circle pipeline and major cycle pipeline, described short circle pipeline forms short circle through cylinder cover water jacket 1, thermostat 4, water pump 3, cylinder body water jacket 2, described major cycle pipeline forms major cycle through cylinder cover water jacket 1, thermostat 4, water tank 5, water pump 3 and cylinder body water jacket 2, wherein, described thermostat 4 is for controlling opening and connecting of short circle pipeline and major cycle pipeline.
In one embodiment, engine-cooling system comprises cylinder cover water jacket, cylinder body water jacket, water pump, thermostat, water tank and one-way valve, the entrance of cylinder cover water jacket is communicated with the outlet of cylinder body water jacket, pump outlet is communicated with the entrance of cylinder body water jacket, the outlet of cylinder cover water jacket is communicated with the entrance of thermostat, the short circle outlet of thermostat is connected with pump intake, and the major cycle outlet of thermostat is communicated with water outlet of water tank, and the outlet of cylinder cover water jacket is connected with water tank inlet.
One-way valve is arranged between the outlet and water tank inlet of cylinder cover water jacket, and one-way valve is between the entrance of thermostat 4 and the tie point and water tank inlet of the outlet of cylinder cover water jacket.
One-way valve only allow from cylinder cover water jacket 1 be exported to water tank inlet flow, under the safety check effect of one-way valve, engine coolant cannot be back to cylinder cover water jacket from water tank.
According to actual conditions situation, coolant temperature in cylinder body water jacket 2 is during lower than first threshold, in the temperature sensor of thermostat 4, paraffin is solid shape, the thermostat main valve of thermostat 4 is closed under the effect of spring, the thermostat auxiliary-valve of thermostat 4 is opened, engine coolant cannot be flowed and only can be flowed by the short circle outlet of thermostat 4 by the major cycle outlet of thermostat 4, and one-way valve 6 is closed.
Coolant temperature in cylinder body water jacket 2 is during lower than first threshold, engine coolant enters in thermostat 4 by the water outlet of cylinder cover water jacket 1, the thermostat main valve of thermostat 4 is closed, engine coolant cannot enter water tank 5 from water tank inlet 74 by the thermostat main valve of thermostat 4, engine coolant only can enter in water pump 3 from pump intake 72 by the thermostat auxiliary-valve of thermostat 4, and because one-way valve 6 is closed, cooling liquid in water tank 5 can not enter in water pump 3 from water outlet of water tank 73, and the cooling liquid in water tank 5 can not be carried out heat exchange and reduce the coolant temperature in water pump 3 with the cooling liquid entering in water pump 3.
Described first threshold temperature range is 80 DEG C to 82 DEG C.
When coolant temperature in cylinder body water jacket 2 equals first threshold, engine coolant enters in thermostat 4 by the water outlet of cylinder cover water jacket 1, the part temperature sensor paraffin of thermostat 4 melts as liquid, the volume of temperature sensor increases the compression interior rubber pipe of thermostat 4 and promotes push rod opens thermostat main valve, the thermostat main valve part of thermostat 4 is opened thus, and the thermostat auxiliary-valve part of thermostat 4 is opened, engine coolant can be flowed and can be flowed by the short circle outlet of thermostat 4 again by the major cycle outlet of thermostat 4.
In the embodiment shown in fig. 1, when coolant temperature in cylinder body water jacket 2 equals first threshold, the thermostat auxiliary-valve of engine coolant by thermostat 4 flows in water pump 3 and engine coolant enters water tank 5 by the thermostat main valve of thermostat 4 from water tank inlet 74 from pump intake 72, engine coolant flows to one-way valve 6 by water tank 5 from water outlet of water tank 73, one-way valve 6 is opened under Water Pressure, and engine coolant flows into water pump 3 by one-way valve 6 from one-way valve water outlet 75.
In the embodiment shown in fig. 1, when coolant temperature in cylinder body water jacket 2 is greater than first threshold and is less than Second Threshold, engine coolant enters in thermostat 4 by the water outlet of cylinder cover water jacket 1, the part temperature sensor paraffin of thermostat 4 melts as liquid, the volume of temperature sensor increases the compression interior rubber pipe of thermostat 4 and promotes push rod opens thermostat main valve, the thermostat main valve part of thermostat 4 is opened thus, and the thermostat auxiliary-valve part of thermostat 4 is opened, engine coolant can be flowed and can be flowed by the short circle outlet of thermostat 4 again by the major cycle outlet of thermostat 4.
In the embodiment shown in fig. 1, when coolant temperature in cylinder body water jacket 2 is greater than first threshold and is less than Second Threshold, the thermostat auxiliary-valve of engine coolant by thermostat 4 flows in water pump 3 and engine coolant enters water tank 5 by the thermostat main valve of thermostat 4 from water tank inlet 74 from pump intake 72, engine coolant flows to one-way valve 6 by water tank 5 from water outlet of water tank 73, one-way valve 6 is opened under Water Pressure, and engine coolant flows into water pump 3 by one-way valve 6 from one-way valve water outlet 75.
Described Second Threshold temperature range is 90 DEG C to 95 DEG C
In the embodiment shown in fig. 1, when coolant temperature in cylinder body water jacket 2 equals Second Threshold, engine coolant enters in thermostat 4 by the water outlet of cylinder cover water jacket 1, the temperature sensor paraffin of thermostat 4 all melts as liquid, the volume of temperature sensor increases the compression interior rubber pipe of thermostat 4 and promotes push rod opens thermostat main valve completely, and the thermostat auxiliary-valve of thermostat 4 is closed, engine coolant cannot be flowed and only can be flowed by the major cycle outlet of thermostat 4 by the short circle outlet of thermostat 4.
In the embodiment shown in fig. 1, when coolant temperature in cylinder body water jacket 2 equals Second Threshold, engine coolant enters water tank 5 by the thermostat main valve of thermostat 4 from water tank inlet 74, engine coolant flows to one-way valve 6 by water tank 5 from water outlet of water tank 73, one-way valve 6 is opened under Water Pressure, and engine coolant flows into water pump 3 by one-way valve 6 from one-way valve water outlet 75.
In the embodiment shown in fig. 1, when coolant temperature in cylinder body water jacket 2 is greater than Second Threshold, engine coolant enters in thermostat 4 by the water outlet of cylinder cover water jacket 1, the temperature sensor paraffin of thermostat 4 all melts as liquid, the volume of temperature sensor increases the compression interior rubber pipe of thermostat 4 and promotes push rod opens thermostat main valve completely, and the thermostat auxiliary-valve of thermostat 4 is closed, engine coolant cannot be flowed and only can be flowed by the major cycle outlet of thermostat 4 by the short circle outlet of thermostat 4.
In the embodiment shown in fig. 1, when coolant temperature in cylinder body water jacket 2 is greater than Second Threshold, engine coolant enters water tank 5 by the thermostat main valve of thermostat 4 from water tank inlet 74, engine coolant flows to one-way valve 6 by water tank 5 from water outlet of water tank 73, one-way valve 6 is opened under Water Pressure, and engine coolant flows into water pump 3 by one-way valve 6 from one-way valve water outlet 75.
In one embodiment, above-mentioned engine-cooling system, for vehicle, is prevented to engine coolant carries out the warm-up period of heat exchange prolongation motor, and reduces the fuel consume causing because warm-up period is long.
Finally it is to be noted: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit.Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment's technological scheme of the utility model.
Claims (8)
1. an engine-cooling system, comprise cylinder cover water jacket, cylinder body water jacket, water pump, thermostat and water tank, the entrance of cylinder cover water jacket is communicated with the outlet of cylinder body water jacket, pump outlet is communicated with the entrance of cylinder body water jacket, the outlet of cylinder cover water jacket is communicated with thermostat entrance, the outlet of thermostat short circle is connected with pump intake, thermostat major cycle outlet is communicated with water tank inlet, and pump intake is connected with water outlet of water tank, it is characterized in that, described engine-cooling system further comprises one-way valve, described one-way valve is arranged between described pump intake and described water outlet of water tank, and between described thermostat short circle outlet and the tie point and described water outlet of water tank of described pump intake, described one-way valve only allows flowing from water outlet of water tank to pump intake direction.
2. an engine-cooling system, comprise cylinder cover water jacket, cylinder body water jacket, water pump, thermostat and water tank, the entrance of cylinder cover water jacket is communicated with the outlet of cylinder body water jacket, pump outlet is communicated with the entrance of cylinder body water jacket, the outlet of cylinder cover water jacket is communicated with thermostat entrance, the outlet of thermostat short circle is connected with pump intake, thermostat major cycle outlet is communicated with water outlet of water tank, and the outlet of cylinder cover water jacket is connected with water tank inlet, it is characterized in that, described engine-cooling system further comprises one-way valve, described one-way valve is arranged between the outlet and described water tank inlet of described cylinder cover water jacket, and between the tie point and described water tank inlet of the outlet of described thermostat entrance and cylinder cover water jacket, described one-way valve only allows to flow to flowing of the mouth of a river from the water tank that is exported to of cylinder cover water jacket.
3. the engine-cooling system as described in any one in claim 1 or 2, is characterized in that, when thermostat intrinsic motivation coolant temperature is during lower than first threshold, and the thermostat main valve of described thermostat and described closed check valve.
4. engine-cooling system as claimed in claim 3, is characterized in that, in the time that thermostat intrinsic motivation coolant temperature is between first threshold and Second Threshold, the thermostat main valve part of described thermostat is opened and described one-way valve is opened.
5. engine-cooling system as claimed in claim 4, is characterized in that, when thermostat intrinsic motivation coolant temperature is during higher than Second Threshold, the thermostat main valve of described thermostat is opened completely and described one-way valve is opened.
6. engine-cooling system as claimed in claim 3, is characterized in that, described first threshold temperature range is 80 DEG C to 82 DEG C.
7. engine-cooling system as claimed in claim 4, is characterized in that, described Second Threshold temperature range is 90 DEG C to 95 DEG C.
8. a vehicle, is characterized in that, comprises the engine-cooling system as described in any one in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097950.6U CN203756306U (en) | 2014-03-05 | 2014-03-05 | Engine cooling system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097950.6U CN203756306U (en) | 2014-03-05 | 2014-03-05 | Engine cooling system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756306U true CN203756306U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097950.6U Expired - Fee Related CN203756306U (en) | 2014-03-05 | 2014-03-05 | Engine cooling system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756306U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696056A (en) * | 2015-03-03 | 2015-06-10 | 江苏上淮动力有限公司 | Device and method for quickly warming up engine and controlling exhaust pipe temperature of engine |
| CN105257383A (en) * | 2015-09-30 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Engine cooling system |
| CN106930883A (en) * | 2015-12-29 | 2017-07-07 | 长城汽车股份有限公司 | The pre-heating system and its control method and vehicle of engine |
| CN107725246A (en) * | 2017-11-02 | 2018-02-23 | 广西玉柴机器股份有限公司 | For the engine heater under environment of extremely trembling with fear |
-
2014
- 2014-03-05 CN CN201420097950.6U patent/CN203756306U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696056A (en) * | 2015-03-03 | 2015-06-10 | 江苏上淮动力有限公司 | Device and method for quickly warming up engine and controlling exhaust pipe temperature of engine |
| CN104696056B (en) * | 2015-03-03 | 2017-11-03 | 江苏上淮动力有限公司 | A kind of method of quick heat engine |
| CN105257383A (en) * | 2015-09-30 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Engine cooling system |
| CN105257383B (en) * | 2015-09-30 | 2017-10-03 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system |
| CN106930883A (en) * | 2015-12-29 | 2017-07-07 | 长城汽车股份有限公司 | The pre-heating system and its control method and vehicle of engine |
| CN107725246A (en) * | 2017-11-02 | 2018-02-23 | 广西玉柴机器股份有限公司 | For the engine heater under environment of extremely trembling with fear |
| CN107725246B (en) * | 2017-11-02 | 2023-05-02 | 广西玉柴机器股份有限公司 | Engine heating device used in extremely cold environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20180305 |