CN104265436B - Rearmounted single-cylinder water-cooling automobile engine cooling recirculation system - Google Patents
Rearmounted single-cylinder water-cooling automobile engine cooling recirculation system Download PDFInfo
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- CN104265436B CN104265436B CN201410448228.7A CN201410448228A CN104265436B CN 104265436 B CN104265436 B CN 104265436B CN 201410448228 A CN201410448228 A CN 201410448228A CN 104265436 B CN104265436 B CN 104265436B
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- tee
- water
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- outlet
- warm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
- F01P11/029—Expansion reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2050/00—Applications
- F01P2050/22—Motor-cars
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of rearmounted single-cylinder water-cooling automobile engine cooling recirculation system, including the thermostat connected by engine water outlet pipeline and warm-air drier, the radiator connected by electromotor water return pipeline and water pump, " h " shape blow-off tee is set between described thermostat and warm-air drier, it is water inlet and outlet that described blow-off tee is positioned at the two ends of bottom, superposed one end is provided with automatic exhaust steam valve, described thermostat outlet is connected with the water inlet of blow-off tee, the outlet of described blow-off tee is connected with warm-air drier water inlet, have an advantage in that: between thermostat and warm-air drier, install " h " shape blow-off tee and automatic exhaust steam valve additional, the gas being collected in pipeline in engine operation process is made to be precipitated out by blow-off tee in time, and discharge blood circulation through automatic exhaust steam valve；End installs a Manual air-release valves additional on a heat sink, accumulates in this small amount of gas for release and pays close attention to coolant offer conveniently in expansion kettle.
Description
Technical field
The present invention relates to simplex water-cooled engine technical field, particularly relate to a kind of rearmounted single-cylinder water-cooling automobile engine cooling recirculation system.
Background technology
Existing rearmounted single-cylinder water-cooling automobile engine cooling recirculation system, be to engine cooling after heat coolant be directly accessed warm-air drier and radiator by thermostat, after radiator heat-dissipation, by electromotor return pipe by water pump injection engine, to engine cooling.The water filling port of this system radiating device is equipped with a pressure gas bleeder valve, it is therefore an objective to when the gas being gathered in water filling port place reaches certain pressure, pressure gas bleeder valve automatically opens up, and releases gas.This device is very effective to the automobile equipped with bigger water pump of engine behind front wheel, because engine behind front wheel, the pipeline between the radiator in electromotor and Herba Plantaginis portion can be made comparatively short, the high point of local in pipeline can be avoided, high point place will not be produced and assemble the phenomenon of gas, add powerful water pump, it is possible to make the flow velocity of coolant in water pipe bigger, it is to avoid the gathering of water pipe high point place and warm-air drier eminence gas.And used rearmounted single-cylinder water-cooling automobile engine, its water pump is engine embedded, and power is smaller, especially when engine idling operation, pump rotary speed is relatively low, and the water pipe adding cooling recirculation system is long, the relative high point of water pipe is relatively more, and flow velocity also has certain reduction simultaneously.When engine long time low-speed running (idling), or by high engine speeds operating suddenly become low-speed running after, the gas in electromotor coolant out will be assembled in the eminence of the high point of water pipe and warm-air drier, formation cavity.Due to the transmutability of gas volume, the gas in pipeline can block the circulation of coolant, makes circulation freely even not stagnate.At this moment around engine cylinder-body, coolant will form gas cavity by fast vaporizing, again because the distance between water pump and cylinder body is comparatively short, cylinder body circumferential cavity can extend to water pump place by fast reverse, makes water pump ineffective, cause indicating oven temp. of engine, even damaged.Because the fast vaporizing of coolant, making the volume rapid expanding of the coolant of whole blood circulation, after pressure exhaust valve place does not have gas, some coolants also can be pressed into water storage bottle because of volumetric expansion, make coolant splash, the fact that this is also common under standing state.
Summary of the invention
The technical problem to be solved is to provide a kind of rearmounted single-cylinder water-cooling automobile engine cooling recirculation system; the gas produced in engine operation process can be precipitated out by blow-off tee in time and discharge blood circulation through automatic exhaust steam valve; the proper flow avoiding gathering gas in the pipeline of engine cooling and circulating system and affect coolant, protects normal working of engine.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of rearmounted single-cylinder water-cooling automobile engine cooling recirculation system, including the thermostat connected by engine water outlet pipeline and warm-air drier, the radiator connected by electromotor water return pipeline and water pump, " h " shape blow-off tee is set between described thermostat and warm-air drier, it is water inlet and outlet that described blow-off tee is positioned at the two ends of bottom, superposed one end is provided with automatic exhaust steam valve, described thermostat outlet is connected with the water inlet of blow-off tee, the outlet of described blow-off tee is connected with warm-air drier water inlet.
It is arranged to contain the expansion kettle of coolant by three way cock between described radiator and water pump, described exit of pump, radiator inlet and expansion kettle outlet are connected with three ends of three way cock respectively, the supporting installation Manual air-release valves in described radiator top, difference in height bottom described expansion kettle and between pump intake is 600mm, and the volume of described expansion kettle is the 10-20% of cooling recirculation system volume.
Described blow-off tee is fixedly mounted on engine head and vertically installs.
Adopt produced by technique scheme and have the beneficial effects that: between thermostat and warm-air drier, 1, install " h " shape blow-off tee and automatic exhaust steam valve additional, and to make thermostat be ascendant trend to the pipeline between " h " shape blow-off tee；Make the gas being collected in pipeline in engine operation process to be precipitated out by blow-off tee in time, and discharge blood circulation through automatic exhaust steam valve.
2, accessing coolant expansion kettle by three way cock in the electromotor water return pipeline between radiator and water pump, and remove the pressure gas bleeder valve on radiator, water filling port and water storage bottle, end installs a Manual air-release valves additional on a heat sink.The filling of coolant carries out at the filler of expansion kettle, the coolant reduced because of vaporization also can be supplemented by the coolant in expansion kettle near electromotor in time, additionally because the high point position at radiator is equipped with manual exhaust valve, the a small amount of gas accumulating in this for release provides convenient, have again, because automatic exhaust steam valve is provided with shutoff device, can by expansion kettle water filling port evacuation and fill coolant in production line after closedown.By adopting above-mentioned technological means to avoid the delay of gas in cooling recirculation system, it is ensured that it is unimpeded that coolant circulates, thus avoiding the hyperthermia and superheating phenomenon of electromotor.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is blow-off tee structural representation；
In the accompanying drawings: 1, expansion kettle；2, automatic exhaust steam valve；3, blow-off tee；3-1, attaching nut；3-2, water inlet；3-3, outlet；4, engine water outlet pipeline；5, warm-air drier；6, radiator；7, electromotor water return pipeline；8, three way cock；9, thermostat；10, electromotor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
nullIn order to solve the problem existing for existing rearmounted simplex water-cooled engine cooling recirculation system，The invention provides a kind of rearmounted single-cylinder water-cooling automobile engine cooling recirculation system as shown in Figure 1，Including the thermostat 9 connected by engine water outlet pipeline 4 and warm-air drier 5，The radiator 6 connected by electromotor water return pipeline 7 and water pump，" h " shape blow-off tee 3 is set between thermostat 9 and warm-air drier 5，It is water inlet 3-2 and outlet 3-3 that blow-off tee 3 is positioned at the two ends of bottom，Superposed one end is provided with automatic exhaust steam valve 2 by means of attaching nut 3-1，Thermostat 9 outlet is connected with the water inlet 3-2 of blow-off tee，The outlet 3-3 of blow-off tee is connected with warm-air drier 5 water inlet，It is arranged to contain the expansion kettle 1 of coolant by three way cock between radiator 6 and water pump，Exit of pump、Radiator 6 entrance and expansion kettle 1 export and are connected with three ends of three way cock respectively，The supporting installation Manual air-release valves in radiator 6 top，Difference in height bottom described expansion kettle 1 and between pump intake is 600mm，The 10-20% that volume is cooling recirculation system volume of described expansion kettle 1，Blow-off tee 3 is fixedly mounted on electromotor 10 top、And vertically install.
Electromotor is in concrete application process, first, the coolant of the heat after lowering the temperature to electromotor 10 flows out after electromotor 10 through thermostat 9, H type blow-off tee 3 and automatic exhaust steam valve 2 is entered by being in the engine water outlet pipeline 4 of ascendant trend, blood circulation is discharged by the gas evolution formed because of heat of engine and by automatic exhaust steam valve 2 by H type blow-off tee 3, Fig. 2 is the structure chart of blow-off tee, blow-off tee internal structure is the mouth of pipe A of water inlet pipe, the relative mouth of pipe B exceeding outlet pipe, make the gas in coolant fully precipitate out, and discharged by automatic exhaust steam valve.
Secondly, in cooling recirculation system, the coolant reduced because of vaporization can be added to by three way cock by the coolant in expansion kettle 1 in the cooling line of electromotor 10.
Finally, the present invention is also mounted with Manual air-release valves in the upper end of radiator, in order to release the minimal amount of entrapped air volume at the radiator place that other reasons is formed.
In a word, the present invention by installing " h " shape blow-off tee and automatic exhaust steam valve additional between thermostat and warm-air drier, and to make thermostat be ascendant trend to the pipeline between " h " shape blow-off tee；Make the gas being collected in pipeline in engine operation process to be precipitated out by blow-off tee in time, and discharge blood circulation through automatic exhaust steam valve.
Accessing coolant expansion kettle by three way cock in electromotor water return pipeline between radiator and water pump, and remove the pressure gas bleeder valve on radiator, water filling port and water storage bottle, end installs a Manual air-release valves additional on a heat sink.The filling of coolant carries out at the filler of expansion kettle, the coolant reduced because of vaporization also can be supplemented by the coolant in expansion kettle near electromotor in time, additionally because the high point position at radiator is equipped with manual exhaust valve, the a small amount of gas accumulating in this for release provides convenient, have again, because automatic exhaust steam valve is provided with shutoff device, can by expansion kettle water filling port evacuation and fill coolant in production line after closedown.By adopting above-mentioned technological means to avoid the delay of gas in cooling recirculation system, it is ensured that it is unimpeded that coolant circulates, thus avoiding the hyperthermia and superheating phenomenon of electromotor.
Claims (3)
1. a rearmounted single-cylinder water-cooling automobile engine cooling recirculation system, including the thermostat (9) connected by engine water outlet pipeline (4) and warm-air drier (5), the radiator (6) connected by electromotor water return pipeline (7) and water pump, it is characterized in that: " h " shape blow-off tee (3) is set between described thermostat (9) and warm-air drier (5), it is water inlet (3-2) and outlet (3-3) that described blow-off tee (3) is positioned at the two ends of bottom, superposed one end is provided with automatic exhaust steam valve (2) by means of attaching nut (3-1), described thermostat (9) outlet is connected with the water inlet (3-2) of blow-off tee, the outlet (3-3) of described blow-off tee is connected with warm-air drier (5) water inlet.
2. rearmounted single-cylinder water-cooling automobile engine cooling recirculation system according to claim 1, it is characterized in that: between described radiator (6) and water pump, be arranged to contain the expansion kettle (1) of coolant by three way cock, described water delivery side of pump, radiator (6) entrance and expansion kettle (1) outlet are connected with three ends of three way cock respectively, the supporting installation Manual air-release valves in described radiator (6) top, difference in height between described expansion kettle (1) bottom and pump intake is 600mm, the 10-20% that volume is cooling recirculation system volume of described expansion kettle (1).
3. rearmounted single-cylinder water-cooling automobile engine cooling recirculation system according to claim 2, it is characterised in that: described blow-off tee (3) is fixedly mounted on electromotor (10) top and vertically installs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410448228.7A CN104265436B (en) | 2014-09-04 | 2014-09-04 | Rearmounted single-cylinder water-cooling automobile engine cooling recirculation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410448228.7A CN104265436B (en) | 2014-09-04 | 2014-09-04 | Rearmounted single-cylinder water-cooling automobile engine cooling recirculation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265436A CN104265436A (en) | 2015-01-07 |
| CN104265436B true CN104265436B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410448228.7A Active CN104265436B (en) | 2014-09-04 | 2014-09-04 | Rearmounted single-cylinder water-cooling automobile engine cooling recirculation system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250806B (en) * | 2021-06-18 | 2022-03-15 | 宁波吉利汽车研究开发有限公司 | Expansion kettle, cooling system and automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579727A (en) * | 1995-08-31 | 1996-12-03 | Brunswick Corporation | Separating apparatus for the cooling system of a marine engine |
| CN2450393Y (en) * | 2000-07-07 | 2001-09-26 | 郭明 | Air valve type safety radiator for motor vehicle |
| CN201521336U (en) * | 2009-11-05 | 2010-07-07 | 煤炭科学研究总院太原研究院 | Cooling device of explosion-proof diesel engine |
| CN102042073A (en) * | 2011-01-28 | 2011-05-04 | 东风朝阳柴油机有限责任公司 | Engine cooling water system device with automatic exhaust function |
| EP2578838A1 (en) * | 2011-10-03 | 2013-04-10 | Volvo Car Corporation | Cooling system for an engine |
-
2014
- 2014-09-04 CN CN201410448228.7A patent/CN104265436B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579727A (en) * | 1995-08-31 | 1996-12-03 | Brunswick Corporation | Separating apparatus for the cooling system of a marine engine |
| CN2450393Y (en) * | 2000-07-07 | 2001-09-26 | 郭明 | Air valve type safety radiator for motor vehicle |
| CN201521336U (en) * | 2009-11-05 | 2010-07-07 | 煤炭科学研究总院太原研究院 | Cooling device of explosion-proof diesel engine |
| CN102042073A (en) * | 2011-01-28 | 2011-05-04 | 东风朝阳柴油机有限责任公司 | Engine cooling water system device with automatic exhaust function |
| EP2578838A1 (en) * | 2011-10-03 | 2013-04-10 | Volvo Car Corporation | Cooling system for an engine |
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| CN104265436A (en) | 2015-01-07 |
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Address after: 054800 Qinghe County Road, Qinghe County, Hebei Province Patentee after: Leading vehicle Co., Ltd. Address before: 054800 Lijiang street, Qinghe County, Xingtai, Hebei 36 Patentee before: HEBEI YOGOMO MOTORS CO., LTD. |