CN203604032U - Cooling system of automobile engine - Google Patents
Cooling system of automobile engine Download PDFInfo
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- CN203604032U CN203604032U CN201320735237.5U CN201320735237U CN203604032U CN 203604032 U CN203604032 U CN 203604032U CN 201320735237 U CN201320735237 U CN 201320735237U CN 203604032 U CN203604032 U CN 203604032U
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- thermostat
- water jacket
- cylinder cover
- cooling system
- radiator
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 210000000476 body water Anatomy 0.000 claims abstract description 23
- 239000010721 machine oil Substances 0.000 claims description 24
- 239000010705 motor oil Substances 0.000 abstract 3
- 239000000110 cooling liquid Substances 0.000 description 26
- 230000000630 rising effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a cooling system of an automobile engine, and belongs to the technical field of cooling devices of engines. The cooling system of the automobile engine solves the problems that an existing cooling system is complex in structure, and cold start of the engines is not facilitated. The cooling system of the automobile engine comprises a cylinder body water jacket, a cylinder cover water jacket, a first thermostat, a second thermostat, an engine oil cooler and a water pump, wherein the cylinder body water jacket and the cylinder cover water jacket are communicated with the water outlet end of the water pump; the water outlet end of the cylinder cover water jacket, the engine oil cooler, the second thermostat and the water pump are communicated sequentially in series; the water outlet end of the cylinder cover water jacket is further communicated with a radiator; the water outlet end of the cylinder cover water jacket is further communicated with one water inlet end of the second thermostat; the water outlet end of the radiator is communicated with the other water inlet end of the second thermostat; the water outlet end of the cylinder body water jacket is connected with the first thermostat and the radiator to form an access. Due to the fact that the engine oil cooler directly intakes water from a cylinder cover, cold start of the engine is facilitated. In addition, the cooling system of the automobile engine is compact and simple in structure.
Description
Technical field
The utility model belongs to engine cooling apparatus technical field, relates to a kind of cooling system, particularly a kind of car engine cooling system.
Background technique
After engine start, on motor, the temperature of each hardware can increase, and the heat raising is different and different with each component function.From cold start-up to running up, the range of temperature of engine interior is huge, hundreds of degrees Celsius of spans.Along with deterioration and the energy crisis of environmental, force people to propose the requirement of harshness gradually to motor vehicle emission, simultaneously also more urgent to the hope of energy-saving and emission-reduction.In order to reach energy-saving and emission-reduction, automaker, in optimizing the technology of each hardware, also at the thermal management technology of lifting motor of racking one's brains, makes motor in the time of work, reasonably distribute these energy.And the design of engine-cooling system is one of important means of engine thermal management.
The heat producing when reasonably distributing engine operation, reaches the object of cooled engine kinematic pair, can shorten again warm-up period, improves aeration quantity, has proposed and the cooling distinct point of cold type type of cooling of traditional cylinder block and head integral type.
The traditional type of cooling of motor is: cylinder body and cylinder cover water jacket communicate, and are integral type cooling.In this type of cooling, the coolant temperature of cylinder body and cylinder cap is basically identical, but this does not conform to Cooling of Cylinder Head liquid temp with the cylinder body of establishing clocking requirement, cooling unfavorable to intake duct and the exhaust side water jacket lubricated and cylinder cap of movement of cylinder block part.
Engine-cooling system [the application number: 201010242860.8 openly proposing as Chinese patent literature data; Notification number: CN102345501A], comprise thermostat that the water pump complement of cooling system major cycle, integrated pump part, the water outlet support that supports cooling system water outlet, Controlled cooling system major cycle open and close and by assembly of thermostat integrated thermostat, motor, motor also comprises cylinder cap and cylinder body, engine cylinder-body front end comprises front cover, water pump complement and described assembly of thermostat are fixed on front cover, thermostat is arranged on the feed-water end of described motor, water outlet support is fixed on cylinder cap, and front cover is fixed on cylinder body.
Although this cooling system has solved the hysteresis problem of thermostat temperature-sensitive, this system architecture is comparatively complicated, and is unfavorable for the cold start-up of motor.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of structure comparatively simple compact and be beneficial to the car engine cooling system of engine cold-start.
The purpose of this utility model can realize by following technical proposal:
A kind of car engine cooling system, comprise cylinder body water jacket, cylinder cover water jacket, thermostat one, thermostat two, machine oil cooler and water pump, it is characterized in that, described cylinder body water jacket and described cylinder cover water jacket are all connected with the waterexit end of described water pump, the waterexit end of described cylinder cover water jacket, machine oil cooler, thermostat two and water pump are connected and are connected successively, the waterexit end of described cylinder cover water jacket is also connected with radiator, the waterexit end of described cylinder cover water jacket is also connected with a feed-water end of thermostat two, the waterexit end of described radiator is connected with another feed-water end of described thermostat two, the waterexit end of described cylinder body water jacket and thermostat one, radiator tandem forms path.
The waterexit end of machine oil cooler directly enters water pump through thermostat two, and the thermostat two not switching of the waterexit end to machine oil cooler is controlled.Such structure, makes the structure of this cooling system more compact, simple.The waterexit end of cylinder cover water jacket out has three branch roads from a rising pipe: branch road one, branch road two and branch road three.Branch road one is connected with thermostat two, and branch road two is connected with radiator, and branch road three is connected with the feed-water end of machine oil cooler.The switching of the branch road one of thermostat two to cylinder cover water jacket waterexit end is controlled, and thermostat two is also controlled the waterexit end of radiator.In addition, the waterexit end of a pair of cylinder body water jacket of thermostat opens and closes and controls.
The open temp of supposing thermostat one is T1, and in the time that the temperature of cooling liquid is less than or equal to T1, the waterexit end of cylinder body water jacket is closed.At this moment, being in all the time in cylinder body of a part of cooling liquid, makes the heat of cylinder body be unlikely to run off too much, is conducive to the cold start-up of motor.
In the time that the temperature of cooling liquid is greater than T1, open the waterexit end of cylinder body water jacket, the thermostat one of flowing through of the cooling liquid in cylinder body water jacket, enter in radiator, then enter in thermostat two via radiator, radiator only has a waterexit end, flow into water pump, so circulation, carries out cooling to cylinder body again.
The open temp of supposing thermostat two is T2, in the time that the temperature of cooling liquid is less than T2, the branch road one of cylinder cover water jacket waterexit end is opened, cooling liquid in cylinder cover water jacket enters cylinder cover water jacket by water pump, enter thermostat two by the waterexit end of the cylinder cover water jacket branch road one of flowing through again, enter water pump by thermostat two again, so carry out short circle.Because the temperature of cylinder cap is now lower, the cooling liquid of the cylinder cap of flowing through is carried out the operation that short circle is conducive to motor.
In the time that the temperature of cooling liquid is more than or equal to T2, the branch road one of cylinder cover water jacket waterexit end is closed, that feed-water end being connected with radiator on thermostat two is opened, cooling liquid in cylinder cover water jacket enters cylinder cover water jacket by water pump, enter radiator by the waterexit end of the cylinder cover water jacket branch road two of flowing through again, enter thermostat two by radiator again, then enter water pump by thermostat two, so carry out major cycle.Because the temperature of cylinder cap is now higher, enter major cycle pattern, be conducive to the heat radiation of cylinder cap.
In the time of engine operation, the cooling liquid flowing out from the branch road three of the cylinder cover water jacket waterexit end machine oil cooler of flowing through all the time, then the thermostat two of flowing through enters water pump.After engine start, the temperature of cylinder cap will be higher than the temperature of cylinder body, and in this cooling system, machine oil cooler is fetched water from cylinder cap, and machine oil is heated, and is conducive to the cold start-up of motor.
In above-mentioned car engine cooling system, also connect with warm air system pipeline, thermostat two and form path in the waterexit end of described cylinder cover water jacket.The waterexit end of warm air system directly enters water pump through thermostat two, and the thermostat two not switching of the waterexit end to warm air system is controlled.Such structure, makes the structure of this cooling system more compact, simple.In the time that needs are opened warm air system, cooling liquid enters warm air system pipeline in cylinder cover water jacket, the heat of cylinder cap is converted into the heat of warm air system, takes full advantage of the heat of cylinder cap, has reached the effect of energy-saving and emission-reduction.
In above-mentioned car engine cooling system, also connect with turbosupercharger, radiator, thermostat two and form path in the waterexit end of described cylinder cover water jacket.The cooling liquid turbosupercharger of flowing through, utilizes the heat of cylinder cap, is conducive to the cold start-up of turbosupercharger.
In above-mentioned car engine cooling system, between described cylinder cover water jacket and described radiator, thermostat two, be provided with safety check.Such structure can stop the cooling liquid in radiator and thermostat two to be back in cylinder cover water jacket.
In above-mentioned car engine cooling system, between described safety check and described thermostat two, be provided with throttle valve.Throttle valve is set, and the coolant rate that can flow to thermostat from branch road one cylinder cover water jacket waterexit end is controlled.
In above-mentioned car engine cooling system, the open temp of described thermostat two is less than the open temp of thermostat one.Such design, makes the temperature of cooling liquid in cylinder body water jacket will be higher than the temperature of cooling liquid in cylinder cover water jacket, cooling favourable to intake duct and the exhaust side water jacket lubricated and cylinder cap of movement of cylinder block part.
In above-mentioned car engine cooling system, described thermostat one is guiding valve thermostat.
In above-mentioned car engine cooling system, described thermostat two is ball valve thermostat temperature device.Because the crushing of ball valve thermostat is less, can improve the overall performance of cooling system.As another kind of scheme, thermostat two also can be common thermostat.
Compared with prior art, this car engine cooling system has the following advantages:
1, the waterexit end of machine oil cooler and warm air system directly enters water pump through thermostat two, the thermostat two not switching of the waterexit end to machine oil cooler and warm air system is controlled, such structure, makes the structure of this cooling system more compact, simple;
2, in this cooling system, machine oil cooler is fetched water from cylinder cap, and machine oil is heated, and is conducive to the cold start-up of motor.
Accompanying drawing explanation
Fig. 1 is the parts connection diagram of this car engine cooling system.
In figure, 1, water pump; 2, cylinder body water jacket; 3, cylinder cover water jacket; 4, thermostat one; 5, turbosupercharger; 6, warm air system; 7, radiator; 8, machine oil cooler; 9, thermostat two; 10, safety check; 11, throttle valve.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, a kind of car engine cooling system, comprises cylinder body water jacket 2, cylinder cover water jacket 3, thermostat 1, thermostat 29, machine oil cooler 8 and water pump 1.The open temp of thermostat 29 is less than the open temp of thermostat 1, and thermostat 1 is guiding valve thermostat, and thermostat 29 is ball valve thermostat temperature device.
Cylinder body water jacket 2 and cylinder cover water jacket 3 are all connected with the waterexit end of water pump 1.Waterexit end, machine oil cooler 8, thermostat 29 and the water pump 1 of cylinder cover water jacket 3 are connected and are connected successively, also connect with warm air system 6 pipelines, thermostat 29 and form path in the waterexit end of cylinder cover water jacket 3.The waterexit end of warm air system 6 directly enters water pump 1 through thermostat 29, and the thermostat 29 not switching of the waterexit end to warm air system 6 is controlled.In the time that needs are opened warm air system 6, cooling liquid enters warm air system 6 pipelines in cylinder cover water jacket 3, the heat of cylinder cap is converted into the heat of warm air system 6, takes full advantage of the heat of cylinder cap.The waterexit end of cylinder cover water jacket 3 is also connected with radiator 7, and the waterexit end of cylinder cover water jacket 3 is also connected with a feed-water end of thermostat 29, and the waterexit end of radiator 7 is connected with another feed-water end of thermostat 29.Between cylinder cover water jacket 3 and radiator 7, be provided with safety check 10.That is to say, the branch road flowing out from the waterexit end of cylinder cover water jacket 3 arranges a safety check 10, then separates two branch roads from safety check 10, enters respectively thermostat 29 and radiator 7.Between safety check 10 and thermostat 29, be provided with throttle valve 11.Also connect with turbosupercharger 5, radiator 7, thermostat 29 and form path in the waterexit end of cylinder cover water jacket 3.The cooling liquid turbosupercharger 5 of flowing through, utilizes the heat of cylinder cap, is conducive to the cold start-up of turbosupercharger 5.
Connect with another feed-water end of thermostat 1, radiator 7, thermostat 29 and form path in the waterexit end of cylinder body water jacket 2
The waterexit end of machine oil cooler 8 directly enters water pump 1 through thermostat 29, and the thermostat 29 not switching of the waterexit end to machine oil cooler 8 is controlled.The waterexit end of cylinder cover water jacket 3 out has three branch roads from a rising pipe: branch road one, branch road two and branch road three.Branch road one is connected with thermostat 29, and branch road two is connected with the feed-water end of radiator 7, and branch road three is connected with the feed-water end of machine oil cooler 8.Except these three branch roads, the rising pipe of cylinder cap waterexit end also has: the branch road being connected with warm air system 6, the branch road being connected with turbosupercharger 5.The switching of the branch road one of 29 pairs of cylinder cover water jacket 3 waterexit ends of thermostat is controlled, and thermostat 29 is also controlled the waterexit end of radiator 7.In addition, the waterexit end of one 4 pairs of cylinder body water jackets 2 of thermostat opens and closes and controls.
In the time of engine operation, the cooling liquid flowing out from the branch road three of the cylinder cover water jacket 3 waterexit ends machine oil cooler 8 of flowing through all the time, then the thermostat 29 of flowing through enters water pump 1.After engine start, the temperature of cylinder cap will be higher than the temperature of cylinder body, and in this cooling system, machine oil cooler 8, from cylinder cap water intaking, heats machine oil, is conducive to the cold start-up of motor.
The open temp of supposing thermostat 1 is T1, and in the time that the temperature of cooling liquid is less than or equal to T1, the waterexit end of cylinder body water jacket 2 is closed.At this moment, being in all the time in cylinder body of a part of cooling liquid, makes the heat of cylinder body be unlikely to run off too much, is conducive to the cold start-up of motor.
In the time that the temperature of cooling liquid is greater than T1, open the waterexit end of cylinder body water jacket 2, and the thermostat 1 of flowing through of the cooling liquid in cylinder body water jacket 2, enters in radiator 7, then enter in thermostat 29 via radiator 7, then flow into water pump 1, and so circulation, carries out cooling to cylinder body.
The open temp of supposing thermostat 29 is T2, in the time that the temperature of cooling liquid is less than T2, the branch road one of cylinder cover water jacket 3 waterexit ends is opened, cooling liquid in cylinder cover water jacket 3 enters cylinder cover water jacket 3 by water pump 1, enter thermostat 29 by the waterexit end of cylinder cover water jacket 3 branch road one of flowing through again, enter water pump 1 by thermostat 29 again, so carry out short circle.
In the time that the temperature of cooling liquid is more than or equal to T2, the branch road one of cylinder cover water jacket 3 waterexit ends is closed, cooling liquid in cylinder cover water jacket 3 enters cylinder cover water jacket 3 by water pump 1, enter radiator 7 by the waterexit end of cylinder cover water jacket 3 branch road two of flowing through again, enter thermostat 29 by radiator 7 again, enter water pump 1 by thermostat 29 again, so carry out major cycle.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as water pump 1, cylinder body water jacket 2, cylinder cover water jacket 3, thermostat 1, turbosupercharger 5, warm air system 6, radiator 7, machine oil cooler 8, thermostat 29, safety check 10, throttle valve 11 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. a car engine cooling system, comprise cylinder body water jacket (2), cylinder cover water jacket (3), thermostat one (4), thermostat two (9), machine oil cooler (8) and water pump (1), it is characterized in that, described cylinder body water jacket (2) and described cylinder cover water jacket (3) are all connected with the waterexit end of described water pump (1), the waterexit end of described cylinder cover water jacket (3), machine oil cooler (8), thermostat two (9) and water pump (1) are connected and are connected successively, the waterexit end of described cylinder cover water jacket (3) is also connected with radiator (7), the waterexit end of described cylinder cover water jacket (3) is also connected with a feed-water end of thermostat two (9), the waterexit end of described radiator (7) is connected with another feed-water end of described thermostat two (9), the waterexit end of described cylinder body water jacket (2) and thermostat one (4), radiator (7) series connection forms path.
2. in car engine cooling system according to claim 1, it is characterized in that, also connects with warm air system (6) pipeline, thermostat two (9) and forms path in the waterexit end of described cylinder cover water jacket (3).
3. in car engine cooling system according to claim 1 and 2, it is characterized in that, also connects with turbosupercharger (5), radiator (7), thermostat two (9) and forms path in the waterexit end of described cylinder cover water jacket (3).
4. in car engine cooling system according to claim 1 and 2, it is characterized in that, between described cylinder cover water jacket (3) and described radiator (7), thermostat two (9), be provided with safety check (10).
5. in car engine cooling system according to claim 4, it is characterized in that, between described safety check (10) and described thermostat two (9), be provided with throttle valve (11).
6. in car engine cooling system according to claim 1 and 2, it is characterized in that, the open temp of described thermostat two (9) is less than the open temp of thermostat one (4).
7. in car engine cooling system according to claim 1 and 2, it is characterized in that, described thermostat one (4) is guiding valve thermostat.
8. in car engine cooling system according to claim 1 and 2, it is characterized in that, described thermostat two (9) is ball valve thermostat temperature device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735237.5U CN203604032U (en) | 2013-11-19 | 2013-11-19 | Cooling system of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735237.5U CN203604032U (en) | 2013-11-19 | 2013-11-19 | Cooling system of automobile engine |
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| Publication Number | Publication Date |
|---|---|
| CN203604032U true CN203604032U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320735237.5U Expired - Fee Related CN203604032U (en) | 2013-11-19 | 2013-11-19 | Cooling system of automobile engine |
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| CN (1) | CN203604032U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298613A (en) * | 2015-08-07 | 2016-02-03 | 宁波吉利罗佑发动机零部件有限公司 | Double-loop cooling system and method for engine |
| CN106321214A (en) * | 2016-09-18 | 2017-01-11 | 安徽江淮汽车股份有限公司 | Engine cooling system |
| CN107366568A (en) * | 2016-05-11 | 2017-11-21 | 宝沃汽车（中国）有限公司 | A kind of vehicle and its engine-cooling system |
| CN107401445A (en) * | 2016-05-20 | 2017-11-28 | 宝沃汽车（中国）有限公司 | Engine-cooling system and the vehicle with the engine-cooling system |
| CN109057937A (en) * | 2018-10-09 | 2018-12-21 | 威马智慧出行科技（上海）有限公司 | A kind of coolant circulation system |
| CN111022172A (en) * | 2019-11-28 | 2020-04-17 | 哈尔滨东安汽车动力股份有限公司 | Double-ball valve type integrated thermal management module |
| CN111396186A (en) * | 2020-04-16 | 2020-07-10 | 昆明云内动力股份有限公司 | Split type cooling system and method for engine |
| CN111894721A (en) * | 2020-07-08 | 2020-11-06 | 东风商用车有限公司 | Engine cooling system |
| CN115370458A (en) * | 2021-05-18 | 2022-11-22 | 广州汽车集团股份有限公司 | Engine cooling system, engine cooling method, vehicle control system, vehicle, and storage medium |
-
2013
- 2013-11-19 CN CN201320735237.5U patent/CN203604032U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298613B (en) * | 2015-08-07 | 2017-12-29 | 宝鸡吉利发动机有限公司 | Engine loop cooling system |
| CN105298613A (en) * | 2015-08-07 | 2016-02-03 | 宁波吉利罗佑发动机零部件有限公司 | Double-loop cooling system and method for engine |
| CN107366568B (en) * | 2016-05-11 | 2020-03-24 | 北汽福田汽车股份有限公司 | Vehicle and engine cooling system thereof |
| CN107366568A (en) * | 2016-05-11 | 2017-11-21 | 宝沃汽车（中国）有限公司 | A kind of vehicle and its engine-cooling system |
| CN107401445A (en) * | 2016-05-20 | 2017-11-28 | 宝沃汽车（中国）有限公司 | Engine-cooling system and the vehicle with the engine-cooling system |
| CN106321214A (en) * | 2016-09-18 | 2017-01-11 | 安徽江淮汽车股份有限公司 | Engine cooling system |
| CN109057937A (en) * | 2018-10-09 | 2018-12-21 | 威马智慧出行科技（上海）有限公司 | A kind of coolant circulation system |
| CN111022172A (en) * | 2019-11-28 | 2020-04-17 | 哈尔滨东安汽车动力股份有限公司 | Double-ball valve type integrated thermal management module |
| CN111396186A (en) * | 2020-04-16 | 2020-07-10 | 昆明云内动力股份有限公司 | Split type cooling system and method for engine |
| CN111396186B (en) * | 2020-04-16 | 2023-08-08 | 昆明云内动力股份有限公司 | Split type cooling system and method for engine |
| CN111894721A (en) * | 2020-07-08 | 2020-11-06 | 东风商用车有限公司 | Engine cooling system |
| CN111894721B (en) * | 2020-07-08 | 2021-06-08 | 东风商用车有限公司 | Engine cooling system |
| CN115370458A (en) * | 2021-05-18 | 2022-11-22 | 广州汽车集团股份有限公司 | Engine cooling system, engine cooling method, vehicle control system, vehicle, and storage medium |
| CN115370458B (en) * | 2021-05-18 | 2023-08-15 | 广州汽车集团股份有限公司 | Engine cooling system, method, vehicle control system, vehicle and storage medium |
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| 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: 20140521 |