CN203081557U - Engine cooling system - Google Patents
Engine cooling system Download PDFInfo
- Publication number
- CN203081557U CN203081557U CN2012207066909U CN201220706690U CN203081557U CN 203081557 U CN203081557 U CN 203081557U CN 2012207066909 U CN2012207066909 U CN 2012207066909U CN 201220706690 U CN201220706690 U CN 201220706690U CN 203081557 U CN203081557 U CN 203081557U
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- CN
- China
- Prior art keywords
- cylinder head
- thermoregulator
- cooling system
- water
- valve seat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an engine cooling system which comprises a heat radiator, a cylinder head water jacket, a cylinder block water jacket, a water pump, a fan heater, an oil cooler, an exhaust gas recirculation (EGR) cooler and an expansion water tank. Gas exhaust pipelines are arranged between the cylinder head water jacket and the expansion water tank, a thermolator valve seat is further arranged, and a thermolator is arranged inside the thermolator valve seat. Small circulation pipelines are arranged between the cylinder head water jacket and the thermolator valve seat. The thermolator comprises a main valve and an auxiliary valve, wherein the main valve and the auxiliary valve respectively control opening and closing of communication ends of the thermolator valve seat, big circulation pipelines and the small circulation pipelines. The fan heater, the oil cooler, the EGR cooler, the expansion water tank and the water pump are communicated with the thermolator valve seat, and are of normally open states. Bubbles in the cooling system are eliminated by arranging the gas exhaust pipelines on a cylinder head. Full pre-heating is carried out on the thermolator by improving a thermolator valve seat structure. EGR cooler water intake pipes are designed on the engine cylinder head to shorten the lengths of the EGR cooler water return pipes and reduce on-way resistance of the cooling system. A fan heater water intake port is formed in the cylinder head relative to the front end of an engine, and the effect of the fan heater is guaranteed.
Description
Technical field
The utility model relates to a kind of diesel engine cooling system, relates in particular to a kind of closing and makes the Forced water cooling engine system.
Background technique
During engine running, be subjected to strong heating with the contacted part of high-temperature fuel gas, as unsuitable in addition cooling, can make engine overheat, volumetric efficiency descends, burn undesired (as detonation, pre-ignition etc.), the rotten and scaling loss of machine oil, the friction of part and the aggravation of wearing cause that power character, Economy, reliability and the durability of motor worsens comprehensively.But, cooled off by force, machine oil is by fuel dilution, and radiation loss and frictional loss increase, and the wearing and tearing aggravation of part also can make engine operation degenerate.Practice shows, motor is through the cooling of being everlasting when too strong (40～50 ℃ of coolant water temperatures) uses down, its parts depreciation during than the following running of normal all temps (80～90 ℃) several times greatly.From improving the viewpoint of engine cycle efficiency, wish by the loose heat walked of cooling system lessly as far as possible, but this must be subjected to the restriction of the various reliabilities of part.Because with the part (as cylinder head, cylinder liner, piston, valve etc.) of contacts fuel gas when being subjected to the heat intensive of combustion gas, its reduction in strength, and thermal stress is very big.As not forcing cooling, just may break down: for example piston, piston ring and cylinder sleeve bite, cylinder cap generation heat fatigue cracking, and lubricant oil is very fast to go bad etc.Therefore, the main task of cooling system is that the assurance motor is worked under optimum state of temperature.
Yet, in the existing cooling system, in engine operation process, when cylinder block and head was cooled, the part of cooling liquid was evaporated, and the gas that is produced can be assembled in the cylinder head of motor, increase the resistance of cooling liquid circulation, can reduce the performance of cooling system greatly.
Thermoregulator is installed in the engine water inlet, cooling liquid can not rest on around the heat responsive element of thermoregulator, can not carry out abundant preheating to thermoregulator, and the thermoregulator main valve can not in time be opened, major cycle can not in time be opened, motor is overheated easily, and in addition, this cooling system is in the engine warm-up process, the frequent opening and closing of thermoregulator main valve, cause the unusual fluctuations of engine temperature easily, prolong the engine warm-up time, cause the discharging and the fuel economy variation of motor.
When cooler for recycled exhaust gas was arranged in the air inlet side of motor, before making the liquid of cooling behind the EGR get back to water pump, wherein the pipeline of Lian Jieing was longer, also can increase the circulating resistance of cooling system.
The water intaking position difference of warm-air drier also has very big influence for the effect of warm-air drier.
The model utility content
Embodiment of the present utility model provides a kind of engine-cooling system, by gas exhaust piping is set on cylinder head, removes the bubble in the cooling system; Improve the thermoregulator valve seat construction, thermoregulator is carried out abundant preheating; Cover at cylinder and to have designed the cooler for recycled exhaust gas intake pipe, reduce the on-way resistance of cooler for recycled exhaust gas return pipe length and cooling system; At the relative motor head of cylinder head the warm-air drier intake is set, guarantees the effect of warm-air drier.
For achieving the above object, the utility model embodiment provides following technological scheme:
A kind of engine-cooling system comprises radiator, cylinder head jacket, block jacket, water pump, warm-air drier, oil cooler, cooler for recycled exhaust gas and swelling water tank; Water outlet on the described cylinder head jacket is communicated with radiator and warm-air drier respectively, and the water outlet on the cylinder body water jacket is connected with cooler for recycled exhaust gas with oil cooler respectively, and water pump is communicated with the block jacket water intake; This system also comprises gas exhaust piping and the inner thermoregulator valve seat that is provided with thermoregulator that is communicated with cylinder head jacket and swelling water tank;
Be provided with the short circle pipeline between described cylinder head jacket and the described thermoregulator valve seat;
Described thermoregulator comprises main valve and auxiliary-valve, the unlatching and the closure of the end that described main valve control radiator is communicated with the thermoregulator valve seat, the unlatching and the closure of the end that described auxiliary-valve control short circle pipeline is communicated with the thermoregulator valve seat;
Described warm-air drier, oil cooler, cooler for recycled exhaust gas, swelling water tank and water pump are connected with described thermoregulator valve seat, are normally open.
As preferably, described warm-air drier intake is arranged on the cylinder head jacket, and is positioned at the front end of motor.
As preferably, also be provided with the water intaking pipeline outside described block jacket and the cylinder head jacket, described water intaking pipeline one end is communicated with block jacket, and the other end is fixed on the described cylinder head jacket and is communicated with the cooler for recycled exhaust gas intake.
As preferably, the pipeline internal diameter of described warm-air drier intake pipe is Φ 15mm.
As preferably, the pipeline internal diameter in described short circle loop is Φ 20mm.
As preferably, the canal path of described gas exhaust piping is Φ 2mm.
As preferably, described thermoregulator is a double-valve type wax formula thermoregulator.
The beneficial effects of the utility model are:
On cylinder head, be provided with the connecting pipeline of exhaust, can remove the bubble in the cooling liquid, avoid gas in motor, to assemble and the cavitation of water pump, thereby improve the cooling performance of cooling system;
Improved the structure of thermoregulator valve seat, make cooling liquid from the motor water outlet can rest on the thermoregulator heat responsive element around, thermoregulator is carried out abundant preheating, thereby guarantees that major cycle can in time open, prevent engine overheat;
Shorten the cooling liquid water pipe circuit of cooler for recycled exhaust gas, reduced the resistance of cooling system, thereby improved the cooling performance of cooling system.
Selected suitable warm-air drier water intaking position, improved coolant temperature, guaranteed the warm braw effect of warm-air drier to warm-air drier.
Description of drawings
Fig. 1 is an engine-cooling system organigram of the present utility model;
Symbol description:
1 radiator, 9 coolers for recycled exhaust gas
2 cylinder head jacket, 10 swelling water tanks
3 block jacket, 11 short circle pipelines
4 water pumps, 12 gas exhaust pipings
5 thermoregulator valve seat A, first inlet opening
6 thermoregulator B, second inlet opening
61 main valve C the 3rd inlet opening
62 auxiliary-valve D the 4th inlet opening
7 warm-air drier E delivery outlets
8 oil coolers
Embodiment
For above-mentioned purpose, the feature and advantage that make model utility can become apparent more, embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
A kind of engine-cooling system comprises radiator 1, cylinder head jacket 2, block jacket 3, water pump 4, warm-air drier 7, oil cooler 8, cooler for recycled exhaust gas 9 and swelling water tank 10; Water outlet on the described cylinder head jacket 2 is communicated with radiator 1 and warm-air drier 7 respectively, water outlet on the cylinder body water jacket 3 is connected with cooler for recycled exhaust gas 9 with oil cooler 8 respectively, water pump 4 is communicated with block jacket 3 water intakes, this engine-cooling system also comprises gas exhaust piping 12 and the inner thermoregulator valve seat 5 that is provided with thermoregulator 6 that is communicated with cylinder head jacket 2 and swelling water tank 10, is provided with short circle pipeline 11 between cylinder head jacket 2 and the thermoregulator valve seat 5.
Described thermoregulator valve seat 5 is provided with four inlet openings and a delivery outlet E, and four inlet openings are respectively the first inlet opening A, the second inlet opening B, the 3rd inlet opening C, the 4th inlet opening D;
The first inlet opening A is communicated with the lower header of radiator 1, the second inlet opening B is communicated with the water outlet of cooler for recycled exhaust gas 9, it is the cooling system moisturizing that swelling water tank 10 water outlets are communicated with GR cooler 9 rising pipes, the water outlet of warm-air drier 7 is communicated with oil cooler 8 rising pipes, oil cooler 8 and warm-air drier 7 shared water outlets, this water outlet is communicated with the 3rd inlet opening C, and the 4th inlet opening D is communicated with cylinder head jacket 2 by short circle loop 11, and delivery outlet E is communicated with the water intake of water pump 4;
The first inlet opening A and the 4th inlet opening D are separately positioned on the two ends of thermoregulator valve seat 5, and a side of thermoregulator valve seat 5 is provided with the second inlet opening B, and opposite side is provided with the 3rd inlet opening C and delivery outlet E;
Described thermoregulator 6 comprises main valve 61 and auxiliary-valve 62 for double-valve type wax formula thermoregulator, and main valve 61 is arranged on the A place, first inlet opening of thermoregulator valve seat 5, controls unlatching and the closure of the first inlet opening A; Auxiliary-valve 62 is arranged on the D place, the 4th inlet opening of thermoregulator valve seat 5, controls unlatching and the closure of the 4th inlet opening D;
All the other second inlet opening B, the 3rd inlet opening C and delivery outlet E are not subjected to thermoregulator 6 controls, are normally open.
When engine start, water pump 4 is started working, and cooling liquid begins circulation by water pump 4 pressurizations.Cooling liquid at first enters block jacket 3, and then the water hole from head gasket enters into cylinder head jacket 2, and a part of then cooling liquid flows out from cylinder head jacket 2, and another part cooling liquid flows out from block jacket 3.Because this moment, coolant temperature was lower, thermoregulator 6 main valves 61 are closed, and auxiliary-valve 62 is opened, and cooling liquid imports thermoregulator valve seat 5 by short circle loop 11, warm-air drier 7, oil cooler 8 and cooler for recycled exhaust gas 9 respectively.From the cooling liquid in short circle loop 11 be filled in thermoregulator 6 heat responsive elements around, thermoregulator 6 is carried out abundant preheating, thereby guarantee that thermoregulator 6 main valves can in time open, prevent engine overheat, cooling liquid is finally got back to water pump 4 water inlets, forms the cooling system short circle this moment.When the temperature continuation rising of cooling liquid reached more than 82 ℃, thermoregulator 6 main valves 61 began to open, and auxiliary-valve 62 begins to close, and is in the transition state of short circle to major cycle this moment.Part cooling liquid enters radiator 1 from cylinder head jacket 2, gets back to water pump 4 by thermoregulator 6 main valves 61 after radiator 1 cooling, and this circulation is exactly the cooling system major cycle.Because thermoregulator 6 has passed through abundant preheating, the cooling liquid that the portion temperature that enters from thermoregulator 6 main valves 61 is lower can not cause thermoregulator 6 coolant temperature rapid drawdowns on every side, just can not cause thermoregulator 6 frequent opening and closing yet, thereby the warm-up period of shortening motor, reduce the fuel consume and the discharging of motor, prevent from cooling system, to produce thermal shock.Rise when reaching more than 95 ℃ along with coolant temperature is further, thermoregulator 6 main valves 61 complete openings, auxiliary-valve 62 is closed short circle loop 11 fully, at this moment, cooling system only carries out major cycle, but warm-air drier 7, cooler for recycled exhaust gas 9 and oil cooler 8 loops are in normally open all the time.
The intake of warm-air drier 7 intake pipes is arranged on the cylinder head jacket 2 preferably among the embodiment at one, and this position is positioned at the front end of motor.Higher in the coolant temperature that flow out this position, the effect of assurance warm-air drier.
As preferred, the pipeline internal diameter of warm-air drier 7 intake pipes is Φ 15mm in the present embodiment.
As preferred, the pipeline internal diameter in short circle loop 11 is Φ 20mm in the present embodiment.
As preferred, the canal path of described gas exhaust piping 12 is Φ 2mm in the present embodiment.
Though the utility model is described in conjunction with above embodiment, but the utility model is not defined to the foregoing description, and only be subjected to the qualification of claims, those of ordinary skills can easily make amendment to it and change, but do not leave essence design of the present utility model and scope.
Claims (7)
1. an engine-cooling system comprises radiator (1), cylinder head jacket (2), block jacket (3), water pump (4), warm-air drier (7), oil cooler (8), cooler for recycled exhaust gas (9) and swelling water tank (10); Water outlet on the described cylinder head jacket (2) is communicated with radiator (1) and warm-air drier (7) respectively, water outlet on the cylinder body water jacket (3) is connected with cooler for recycled exhaust gas (9) with oil cooler (8) respectively, water pump (4) is communicated with block jacket (3) water intake, it is characterized in that:
Also comprise and be communicated with cylinder head jacket (2) and the gas exhaust piping (12) of swelling water tank (10) and the thermoregulator valve seat (5) that inside is provided with thermoregulator (6);
Be provided with short circle pipeline (11) between described cylinder head jacket (2) and the described thermoregulator valve seat (5);
Described thermoregulator (6) comprises main valve (61) and auxiliary-valve (62), the unlatching and the closure of the end that main valve (61) control radiator (1) is communicated with thermoregulator valve seat (5), the unlatching and the closure of the end that auxiliary-valve (62) control short circle pipeline (11) is communicated with thermoregulator valve seat (5);
Described warm-air drier (7), oil cooler (8), cooler for recycled exhaust gas (9), swelling water tank (10) and water pump (4) are connected with described thermoregulator valve seat (5), are normally open.
2. engine-cooling system according to claim 1 is characterized in that, described warm-air drier (7) intake is arranged on the cylinder head jacket (2), and is positioned at the front end of motor.
3. engine-cooling system according to claim 1, it is characterized in that, described block jacket (3) also is provided with the water intaking pipeline with cylinder head jacket (2) outside, described water intaking pipeline one end is communicated with block jacket (3), and the other end is fixed on described cylinder head jacket (2) and upward is communicated with cooler for recycled exhaust gas (8) intake.
4. engine-cooling system according to claim 1 is characterized in that, the pipeline internal diameter of described warm-air drier (7) intake pipe is Φ 15mm.
5. engine-cooling system according to claim 1 is characterized in that, the pipeline internal diameter in described short circle loop (11) is Φ 20mm.
6. engine-cooling system according to claim 1 is characterized in that, the canal path of described gas exhaust piping (12) is Φ 2mm.
7. engine-cooling system according to claim 1 is characterized in that, described thermoregulator (6) is a double-valve type wax formula thermoregulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207066909U CN203081557U (en) | 2012-12-19 | 2012-12-19 | Engine cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207066909U CN203081557U (en) | 2012-12-19 | 2012-12-19 | Engine cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081557U true CN203081557U (en) | 2013-07-24 |
Family
ID=48827402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207066909U Expired - Fee Related CN203081557U (en) | 2012-12-19 | 2012-12-19 | Engine cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203081557U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511053A (en) * | 2013-10-28 | 2014-01-15 | 中国重汽集团济南动力有限公司 | Cooling system capable of reducing water temperature of loaded vehicle |
| CN103615302A (en) * | 2013-12-05 | 2014-03-05 | 安徽江淮汽车股份有限公司 | Cooling system of engine |
| CN105134357A (en) * | 2015-08-05 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Cooling system of power assembly |
| CN105745411A (en) * | 2014-01-23 | 2016-07-06 | 宝马股份公司 | Heat management system for an internal combustion engine |
| CN105745412A (en) * | 2014-01-23 | 2016-07-06 | 宝马股份公司 | Method and device for ventilating a heat management system of an internal combustion engine |
| CN105909359A (en) * | 2016-04-27 | 2016-08-31 | 安徽江淮汽车股份有限公司 | Engine cooling system provided with double expansion kettles |
| CN106762089A (en) * | 2017-02-28 | 2017-05-31 | 安徽江淮汽车集团股份有限公司 | A kind of automobile-used constant device of cooling and cooling system |
| CN107989736A (en) * | 2017-12-25 | 2018-05-04 | 无锡雪浪环境科技股份有限公司 | A kind of circulating hydroelectric power system and its application method |
| CN108266259A (en) * | 2016-12-30 | 2018-07-10 | 长城汽车股份有限公司 | The control method and vehicle of cooling system |
| CN109854352A (en) * | 2019-02-20 | 2019-06-07 | 柳州五菱柳机动力有限公司 | The integrated engine cooling system of transmission oil constant temperature can be controlled |
| 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 |
| CN112412605A (en) * | 2020-12-04 | 2021-02-26 | 天津特瑞捷动力科技有限公司 | Engine cooling system capable of quickly warming up engine and control method thereof |
| CN112922714A (en) * | 2021-02-01 | 2021-06-08 | 浙江汇豪机械制造有限公司 | Automobile engine cooling system |
| CN114991930A (en) * | 2022-06-07 | 2022-09-02 | 中国第一汽车股份有限公司 | Engine cooling and exhaust heat recovery system and car |
-
2012
- 2012-12-19 CN CN2012207066909U patent/CN203081557U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511053A (en) * | 2013-10-28 | 2014-01-15 | 中国重汽集团济南动力有限公司 | Cooling system capable of reducing water temperature of loaded vehicle |
| CN103615302A (en) * | 2013-12-05 | 2014-03-05 | 安徽江淮汽车股份有限公司 | Cooling system of engine |
| CN103615302B (en) * | 2013-12-05 | 2015-09-09 | 安徽江淮汽车股份有限公司 | A kind of cooling system of motor |
| US10023025B2 (en) | 2014-01-23 | 2018-07-17 | Bayerische Motoren Werke Aktiengesellschaft | Heat management system for an internal combustion engine |
| CN105745412B (en) * | 2014-01-23 | 2018-08-10 | 宝马股份公司 | The method and apparatus for being aerated deflation for the heat management system to internal combustion engine |
| CN105745412A (en) * | 2014-01-23 | 2016-07-06 | 宝马股份公司 | Method and device for ventilating a heat management system of an internal combustion engine |
| US11085357B2 (en) | 2014-01-23 | 2021-08-10 | Bayerische Motoren Werke Aktiengesellschaft | Method and device for ventilating a heat management system of an internal combustion engine |
| CN105745411A (en) * | 2014-01-23 | 2016-07-06 | 宝马股份公司 | Heat management system for an internal combustion engine |
| CN105745411B (en) * | 2014-01-23 | 2018-10-12 | 宝马股份公司 | Heat management system for internal combustion engine |
| CN105134357A (en) * | 2015-08-05 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Cooling system of power assembly |
| CN105909359A (en) * | 2016-04-27 | 2016-08-31 | 安徽江淮汽车股份有限公司 | Engine cooling system provided with double expansion kettles |
| CN108266259B (en) * | 2016-12-30 | 2020-10-02 | 长城汽车股份有限公司 | Control method of cooling system and vehicle |
| CN108266259A (en) * | 2016-12-30 | 2018-07-10 | 长城汽车股份有限公司 | The control method and vehicle of cooling system |
| CN106762089B (en) * | 2017-02-28 | 2019-02-22 | 安徽江淮汽车集团股份有限公司 | A kind of constant device of automobile-used cooling and cooling system |
| CN106762089A (en) * | 2017-02-28 | 2017-05-31 | 安徽江淮汽车集团股份有限公司 | A kind of automobile-used constant device of cooling and cooling system |
| CN107989736A (en) * | 2017-12-25 | 2018-05-04 | 无锡雪浪环境科技股份有限公司 | A kind of circulating hydroelectric power system and its application method |
| CN109854352A (en) * | 2019-02-20 | 2019-06-07 | 柳州五菱柳机动力有限公司 | The integrated engine cooling system of transmission oil constant temperature can be controlled |
| CN109854352B (en) * | 2019-02-20 | 2024-04-12 | 柳州五菱柳机动力有限公司 | Integrated engine cooling system capable of controlling transmission oil to be constant temperature |
| 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 |
| CN112412605A (en) * | 2020-12-04 | 2021-02-26 | 天津特瑞捷动力科技有限公司 | Engine cooling system capable of quickly warming up engine and control method thereof |
| CN112922714A (en) * | 2021-02-01 | 2021-06-08 | 浙江汇豪机械制造有限公司 | Automobile engine cooling system |
| CN114991930A (en) * | 2022-06-07 | 2022-09-02 | 中国第一汽车股份有限公司 | Engine cooling and exhaust heat recovery system and car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| 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: 20130724 Termination date: 20191219 |