CN107975413A - Internal combustion engine cooling circulation system with heating boiler - Google Patents
Internal combustion engine cooling circulation system with heating boiler Download PDFInfo
- Publication number
- CN107975413A CN107975413A CN201711449925.4A CN201711449925A CN107975413A CN 107975413 A CN107975413 A CN 107975413A CN 201711449925 A CN201711449925 A CN 201711449925A CN 107975413 A CN107975413 A CN 107975413A
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- China
- Prior art keywords
- water
- combustion engine
- heating boiler
- internal combustion
- cylinder cover
- Prior art date
- 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.)
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Classifications
-
- 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
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a kind of internal combustion engine cooling circulation system with heating boiler, it includes：Thermolator base, radiator of water tank, water pump, body cylinder cover water jacket, and it is inserted in the heating boiler of the internal combustion engine cooling circulation system；Wherein, thermolator base also has water return outlet and water outlet；Wherein, the water inlet of heating boiler is connected with the water inlet of body cylinder cover water jacket, the water outlet of heating boiler is connected with the water return outlet of thermolator base, and the coolant for entering water return outlet is flowed into by the water outlet of thermolator base in the water outlet of body cylinder cover water jacket, the water outlet of body cylinder cover water jacket is communicated with the water inlet of body cylinder cover water jacket；Wherein, heating boiler is to heat the coolant of process, so as to be heated to body cylinder cover water jacket.Whereby, the internal combustion engine cooling circulation system with heating boiler of the invention, cost is low, simple in structure, reliable operation.
Description
Technical field
The present invention relates to combustion engine mechanical field, more particularly to a kind of internal combustion engine cooling cycle system with heating boiler
System.
Background technology
Currently for the internal combustion engine of some specific uses, it is sometimes desirable to which (such as -41 DEG C) carry out in very low temperatures
Cold start-up, in order to improve startability, is inserted into a boiler heating system, for cold start-up usually in internal-combustion engine cooling system
Engine body cylinder cap is heated before.
Existing scheme in partial circulating due to being disposed with check valve, because of referred to herein as check valve scheme.Check valve scheme cools down
Liquid recycle stream moves as shown in Figure 1.When temperature is relatively low, internal combustion engine thermosistor systemic circulation mouth is closed, partial circulating mouth standard-sized sheet, therefore interior
There is " a water pump-water pump water outlet chamber-internal combustion engine water inlet manifold-body cylinder cover water jacket-internal combustion engine outfall sewer-temperature adjustment in combustion engine
The circular passage of device seat-thermosistor partial circulating passage-water feeding of water pump chamber-water pump ", coolant such as Fig. 1 during engine normal operation
Flow in direction shown in middle filled arrows.Check valve scheme is usually fetched water from internal combustion engine outfall sewer, is returned to after boiler heats
Internal combustion engine water inlet manifold, in order to prevent a large amount of hot water be short-circuited by partial circulating passage, influence the heating of body cylinder cap body,
One check valve of arrangement in thermosistor partial circulating passage, the check valve only allow coolant from thermosistor flow to internal combustion engine water pump into
Water cavity, does not allow to flow to thermosistor from internal combustion engine water pump intake antrum；Direction is flowed as shown in hollow arrow in Fig. 1, by boiler
Hot water after heating can only flow back to boiler inlet by body cylinder cover water jacket, so as to quickly heat body cylinder cap.Pay attention to：Machine body cylinder
Lid water jacket resistance is usually larger, and the resistance for passing through partial circulating passage is smaller, if not using check valve, a large amount of hot water are by being somebody's turn to do
Passage is short-circuited, so as to cause the flow by body cylinder cover water jacket smaller, body cylinder cap firing rate is slow, cold starting effect
Difference.
Existing operational version has following four main problem：
First, reliability and endurance issues, check valve needs to work in -50 DEG C~120 DEG C wider scopes, at present
The check valve rubber material ages speed used is quickly.
Second, the problem of steam generator system can not work normally, after engine normally starts, when the warm wind that driver's cabin needs
Need to open boiler circulation when ability is inadequate, and boiler water intaking position (internal combustion engine outfall sewer) pressure is low at this time, and backed-up water level
(internal combustion engine water inlet manifold) pressure height is put, maximum differential pressure is likely to be breached more than 50kPa between 2 points, far more than raising for boiler water pump
Journey 20kPa, that is to say, that very little even reverse flow may be become in the current of at this moment boiler internal, so as to cause steam generator system
It can not work normally.
Third, engine partial circulating flow resistance becomes larger, after increasing check valve, original effectively actual internal area part is blocked
Plug, causes partial circulating flow resistance to become larger, and engine body flow diminishes, and may cause key position cooling deficiency.
Four are the increase in cost, increase check valve cost itself, thermosistor partial circulating passage (installation check valve position)
Machining cost, assembly cost, after service cost etc..
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of internal combustion engine cooling circulation system with heating boiler, so as to overcome existing
Check valve scheme reliability and durability are poor, steam generator system can not work normally, engine partial circulating flow resistance becomes larger and increases
The shortcomings that cost.
To achieve the above object, the present invention provides a kind of internal combustion engine cooling circulation system with heating boiler, it is wrapped
Include：Thermolator base, radiator of water tank, water pump, body cylinder cover water jacket, and it is inserted in adding for the internal combustion engine cooling circulation system
Heat boiler；Wherein, the water chamber of water pump is connected with the water inlet of body cylinder cover water jacket, the water outlet of body cylinder cover water jacket and temperature adjustment
The water inlet connection of device seat, the partial circulating mouth of thermolator base are connected by partial circulating passage with the intake antrum of water pump, thermolator base
Systemic circulation mouth connected by systemic circulation passage with the water inlet of radiator of water tank, the water outlet of radiator of water tank and water pump into
Water cavity connects；Wherein, thermolator base also has water return outlet；Wherein, the water inlet of the water inlet of heating boiler and body cylinder cover water jacket
Mouth connection, the water outlet of heating boiler are connected with the water return outlet of thermolator base, and the coolant for entering water return outlet passes through thermosistor
The water inlet of seat is flowed into the water outlet of body cylinder cover water jacket, the water outlet of body cylinder cover water jacket and body cylinder cover water jacket into
The mouth of a river communicates；Wherein, heating boiler is to heat the coolant of process, so as to be heated to body cylinder cover water jacket.
Preferably, in above-mentioned technical proposal, thermolator base is cavity body structure, and partial circulating mouth has valve seat, and valve seat is located at
In the cavity body structure of thermolator base.
Preferably, in above-mentioned technical proposal, the water return outlet center line of thermolator base is parallel with the valve seat of valve seat, and backwater
Mouthful with the valve seat mouth of valve seat apart 10 millimeters.
Preferably, in above-mentioned technical proposal, the water return outlet of thermolator base is circle.
Compared with prior art, the present invention has the advantages that：The internal combustion engine with heating boiler of the present invention is cold
But the circulatory system, cost is low, simple in structure, reliable operation, fetches water from internal combustion engine water inlet manifold, pressure during engine normal operation
Height, will not cause the current in boiler circulation reversely to damage boiler.
Brief description of the drawings
Fig. 1 is the schematic diagram that existing check valve scheme coolant circulates.
Fig. 2 is the signal of the cooling cycle flowing of the internal combustion engine cooling circulation system with heating boiler according to the present invention
Figure.
Fig. 3 is the stereochemical structure of the thermolator base of the internal combustion engine cooling circulation system with heating boiler according to the present invention
Schematic diagram.
Fig. 4 is the plan structure of the thermolator base of the internal combustion engine cooling circulation system with heating boiler according to the present invention
Schematic diagram.
Fig. 5 is the schematic cross-sectional view of A-A in Fig. 4.
Main Reference Numerals explanation：
1- water inlets, 2- systemic circulation mouths, 3- partial circulating mouths, 4- water return outlets, 5- valve seats, 6- water return outlet center lines.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Protect scope and from the limitation of embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in Figures 2 to 5, a kind of internal combustion engine cooling with heating boiler of embodiment follows according to the present invention
Loop system, it includes：The thermolator base of pipeline connection, radiator of water tank, water pump, body cylinder cover water jacket, and be inserted in described
The heating boiler of internal combustion engine cooling circulation system；Wherein, the water chamber of water pump connects (i.e. water with the water inlet of body cylinder cover water jacket
The water chamber of pump is to be connected by internal combustion engine water inlet manifold with body cylinder cover water jacket), the water outlet of body cylinder cover water jacket and temperature adjustment
The water inlet 1 of device seat connects (i.e. body cylinder cover water jacket is to be connected by internal combustion engine outfall sewer with the water inlet 1 of thermolator base),
The partial circulating mouth 3 of thermolator base is connected by partial circulating passage with the intake antrum of water pump, and the systemic circulation mouth 2 of thermolator base is by big
Circulation canal connects (systemic circulation passage is closed under low temperature), the water outlet and water of radiator of water tank with the water inlet of radiator of water tank
The intake antrum connection of pump；Wherein, thermolator base also has water return outlet 4；Wherein, the water inlet of heating boiler and body cylinder cover water jacket
Water inlet connection (i.e. the water inlet of heating boiler pass through boiler water inlet pipe, internal combustion engine water inlet manifold and body cylinder cover water jacket company
Logical, heating boiler is to take coolant from internal combustion engine water inlet manifold), the water outlet of heating boiler and the water return outlet 4 of thermolator base connect
Logical (i.e. the water outlet of heating boiler is connected by boiler discharging tube with the water return outlet 4 of internal combustion engine thermolator base), and enter backwater
The coolant of mouth 4 is flowed into the water outlet of body cylinder cover water jacket by the water inlet 1 of thermolator base, and body cylinder cover water jacket goes out
The mouth of a river is communicated with the water inlet of body cylinder cover water jacket；Wherein, heating boiler is to heat the coolant of process, so that right
Body cylinder cover water jacket is heated, it is apparent that heating boiler is applied to (being inserted in) internal combustion engine cooling cycle more than
System, heating boiler have the single circulatory system, i.e.,：Internal combustion engine water inlet manifold-boiler water inlet pipe-heating boiler-boiler goes out
The circular passage of water pipe-internal combustion engine thermolator base-internal combustion engine outfall sewer-body cylinder cover water jacket-internal combustion engine water inlet manifold, to
Body cylinder cover water jacket is effectively heated.
Preferably, thermolator base is cavity body structure, and partial circulating mouth 3 has valve seat, and valve seat is located at the cavity of thermolator base
In structure；The water return outlet center line 6 of thermolator base is parallel with the valve seat 5 of valve seat, and the valve seat mouth of water return outlet 4 and valve seat is apart
Within 10 millimeters；The water return outlet 4 of thermolator base is preferably circular, but is not limited to circle.
In practical applications, the cooling of the internal combustion engine cooling circulation system with heating boiler of the present invention as shown in Figure 2
The schematic diagram that liquid recycle stream moves, heating boiler are fetched water (i.e. coolant) from internal combustion engine water inlet manifold, are arrived by boiler heating is laggard
Thermolator base, internal combustion engine water inlet manifold is flowed back to by internal combustion engine outfall sewer, body cylinder cover water jacket.Present invention eliminates unidirectional
Valve, by the water return outlet 4 (i.e. the water return outlet of boiler) in reasonable Arrangement thermolator base, produces one at 3 position of partial circulating mouth and puts down
Row prevents coolant from flowing to water pump from thermolator base in the flow at high speed of the valve seat 5 of partial circulating mouth 3, the flow at high speed coolant
Entrance, so as to achieve the purpose that the flow for significantly reducing the passage.
Before the engine is started cold, it is necessary to first run heating boiler system, the coolant flow in heating boiler is such as at this time
In Fig. 2 shown in hollow arrow.The coolant come from boiler discharging tube is introduced by water return outlet 4, high along backwater hole centerline direction
Speed is flow near the valve seat 5 of partial circulating mouth 3, so produces swiftly flowing liquid wall in partial circulating mouth 3, prevents coolant
Water feeding of water pump chamber is flowed directly into by partial circulating mouth 3, thus forces a large amount of coolants by boiler heating to pass through machine body cylinder
Lid water jacket, internal combustion engine water inlet manifold return to boiler water inlet pipe, so as to achieve the purpose that quickly to heat body cylinder cap.Wherein, pass through
Coolant after boiler heating is injected into thermolator base by the water return outlet 4 in thermolator base with high flow velocities (more than 2m/s)
Interior, the Fast Cooling liquid stream near partial circulating mouth 3, which is moved, prevents coolant from passing through 3 short-circuit flow back water pump intake antrum of partial circulating mouth, from
And allow coolant as much as possible to pass through body cylinder cover water jacket, reach quick heating internal combustion engine, improve internal combustion engine cold starting performance
Purpose.
In short, the internal combustion engine cooling circulation system with heating boiler of the present invention has the advantages that：
1st, the internal combustion engine cooling circulation system with heating boiler of the invention does not have check valve, and cost is low, simple in structure,
Reliable operation；
2nd, the internal combustion engine cooling circulation system with heating boiler of the invention is fetched water from water inlet manifold, and engine is normally transported
Pressure is high during row, and the current in boiler circulation will not be caused reversely to damage steam generator system；
3rd, partial circulating resistance will not be increased when steam generator system is out of service.
It is foregoing to the present invention specific exemplary embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
- A kind of 1. internal combustion engine cooling circulation system with heating boiler, it is characterised in that including：Thermolator base, heat dissipation of water tank Device, water pump, body cylinder cover water jacket, and it is inserted in the heating boiler of the internal combustion engine cooling circulation system；Wherein, the water chamber of the water pump is connected with the water inlet of the body cylinder cover water jacket, and the body cylinder cover water jacket goes out The mouth of a river is connected with the water inlet of the thermolator base, and the partial circulating mouth of the thermolator base passes through partial circulating passage and the water pump Intake antrum connection, the systemic circulation mouth of the thermolator base passes through systemic circulation passage and the water inlet of the radiator of water tank connects Logical, the water outlet of the radiator of water tank is connected with the intake antrum of the water pump；Wherein, the thermolator base also has water return outlet；Wherein, the water inlet of the heating boiler is connected with the water inlet of the body cylinder cover water jacket, and the heating boiler goes out The mouth of a river is connected with the water return outlet of the thermolator base, and the water inlet that the coolant for entering the water return outlet passes through the thermolator base Mouth is flowed into the water outlet of the body cylinder cover water jacket, the water outlet of the body cylinder cover water jacket and the body cylinder cover water jacket Water inlet communicate；Wherein, the heating boiler is to heat the coolant of process, thus to the body cylinder cover water jacket into Row heating.
- 2. the internal combustion engine cooling circulation system according to claim 1 with heating boiler, it is characterised in that the temperature adjustment Device seat is cavity body structure, and the partial circulating mouth has valve seat, and the valve seat is located in the cavity body structure of the thermolator base.
- 3. the internal combustion engine cooling circulation system according to claim 1 with heating boiler, it is characterised in that the temperature adjustment The center line of the water return outlet of device seat is parallel with the valve seat of the valve seat, and the valve seat mouth of the water return outlet and the valve seat Within 10 millimeters.
- 4. the internal combustion engine cooling circulation system according to claim 1 with heating boiler, it is characterised in that the temperature adjustment The water return outlet of device seat is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449925.4A CN107975413B (en) | 2017-12-27 | 2017-12-27 | Internal combustion engine cooling circulation system with heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449925.4A CN107975413B (en) | 2017-12-27 | 2017-12-27 | Internal combustion engine cooling circulation system with heating boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107975413A true CN107975413A (en) | 2018-05-01 |
| CN107975413B CN107975413B (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711449925.4A Active CN107975413B (en) | 2017-12-27 | 2017-12-27 | Internal combustion engine cooling circulation system with heating boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878211A (en) * | 2020-07-23 | 2020-11-03 | 广西玉柴机器股份有限公司 | High-efficient thoughtlessly moves engine cooling system |
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| JPH1178498A (en) * | 1997-09-17 | 1999-03-23 | Toyota Autom Loom Works Ltd | Coolant circulating method and coolant circulating circuit |
| JP2005133690A (en) * | 2003-10-31 | 2005-05-26 | Toyota Motor Corp | Engine cooling system |
| CN102588068A (en) * | 2012-03-12 | 2012-07-18 | 大庆富新自控技术有限公司 | Static heat storage temperature rising device of engine |
| CN102878001A (en) * | 2011-07-14 | 2013-01-16 | 郭应中 | Heat accumulation-type automobile parking heating system and start-up method thereof |
| CN103352784A (en) * | 2013-08-02 | 2013-10-16 | 中国人民解放军军事交通学院 | Auxiliary device for low-pressure and low-temperature starting of diesel engine |
| CN207673421U (en) * | 2017-12-27 | 2018-07-31 | 广西玉柴机器股份有限公司 | Internal combustion engine cooling circulation system with heating boiler |
-
2017
- 2017-12-27 CN CN201711449925.4A patent/CN107975413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1178498A (en) * | 1997-09-17 | 1999-03-23 | Toyota Autom Loom Works Ltd | Coolant circulating method and coolant circulating circuit |
| JP2005133690A (en) * | 2003-10-31 | 2005-05-26 | Toyota Motor Corp | Engine cooling system |
| CN102878001A (en) * | 2011-07-14 | 2013-01-16 | 郭应中 | Heat accumulation-type automobile parking heating system and start-up method thereof |
| CN102588068A (en) * | 2012-03-12 | 2012-07-18 | 大庆富新自控技术有限公司 | Static heat storage temperature rising device of engine |
| CN103352784A (en) * | 2013-08-02 | 2013-10-16 | 中国人民解放军军事交通学院 | Auxiliary device for low-pressure and low-temperature starting of diesel engine |
| CN207673421U (en) * | 2017-12-27 | 2018-07-31 | 广西玉柴机器股份有限公司 | Internal combustion engine cooling circulation system with heating boiler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878211A (en) * | 2020-07-23 | 2020-11-03 | 广西玉柴机器股份有限公司 | High-efficient thoughtlessly moves engine cooling system |
| CN111878211B (en) * | 2020-07-23 | 2024-05-10 | 广西玉柴机器股份有限公司 | Efficient hybrid engine cooling system |
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| CN107975413B (en) | 2020-02-11 |
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