CN111636960B - Engine temperature control device and engine with same - Google Patents
Engine temperature control device and engine with same Download PDFInfo
- Publication number
- CN111636960B CN111636960B CN202010437203.2A CN202010437203A CN111636960B CN 111636960 B CN111636960 B CN 111636960B CN 202010437203 A CN202010437203 A CN 202010437203A CN 111636960 B CN111636960 B CN 111636960B
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- Prior art keywords
- thermostat
- temperature
- water inlet
- engine
- water outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000000110 cooling liquid Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002678 macrocyclic compounds Chemical class 0.000 description 1
Images
Classifications
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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
- 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
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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
- 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
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses an engine temperature control device, which comprises a thermostat seat and two thermostats arranged in the thermostat seat, wherein when the temperature of cooling liquid entering the thermostat seat reaches a first temperature, one thermostat is in an open state, and the other thermostat is in a closed state; when the temperature of the cooling liquid entering the thermostat seat reaches a second temperature, the second temperature is higher than the first temperature, and the two thermostats are in an open state; the thermostat base has a first water inlet, a second water inlet, a large circulation water outlet and a small circulation water outlet. The engine temperature control device disclosed by the invention utilizes a multi-channel structural design, reduces the pressure loss of an engine cooling system and can improve the cooling effect of the engine. The invention also provides an engine.
Description
Technical Field
The invention belongs to the technical field of power devices, and particularly relates to an engine temperature control device and an engine with the same.
Background
When the engine is designed with a cooling system, a device for adjusting the cooling intensity is needed, the purpose of adjusting the cooling intensity is realized by changing a cooling water circulation route, and the engine is ensured to work in an optimum range. The change of the cooling water circulation route is generally automatically controlled by a thermostat in a thermostat base according to a change in temperature. When the cooling water is lower than the initial temperature, the cooling water does not pass through the radiator and is subjected to small circulation; when the temperature of the cooling water is higher than the initial temperature, the cooling water is circulated through the radiator.
In the prior art, 1) the cooling effect is poor due to the fact that the system resistance is high after cooling water flows through the temperature regulator and the water flow of a cooling system is reduced after the cooling water flows through the temperature regulator; 2) the temperature regulator controls the single temperature of the cooling system, and has poor adaptability to different working conditions, so that the oil consumption is high or the cooling performance is insufficient; 3) in order to realize large and small circulation independent work, the thermostat and the thermostat seat are complex in design and low in reliability; 4) the temperature control device is developed according to a single engine, and the universality is poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an engine temperature control device, aiming at reducing the pressure loss of an engine cooling system.
In order to achieve the purpose, the invention adopts the technical scheme that: the temperature control device of the engine comprises a thermostat seat and two thermostats arranged in the thermostat seat, wherein when the temperature of cooling liquid entering the thermostat seat reaches a first temperature, one thermostat is in an open state, and the other thermostat is in a closed state; when the temperature of the cooling liquid entering the thermostat seat reaches a second temperature, the second temperature is higher than the first temperature, and the two thermostats are in an open state; the thermostat base has a first water inlet, a second water inlet, a large circulation water outlet and a small circulation water outlet.
The thermostat comprises a supporting seat, a valve body and an ejector rod mechanism which is arranged on the supporting seat and connected with the valve body, wherein a water inlet hole is formed in the valve body, a water outlet hole is formed in the supporting seat, and the water inlet hole and the water outlet hole are arranged in a plurality.
The four water inlet holes are arranged.
The number of the water outlet holes is four.
The invention also provides an engine which comprises the engine temperature control device.
The engine temperature control device of the invention utilizes the design of a multi-channel structure, reduces the pressure loss of an engine cooling system and can improve the cooling effect of the engine.
Drawings
The present specification includes the following figures, which show the contents:
FIG. 1 is a schematic structural view of an engine temperature control device of the present invention in a small cycle operating state;
FIG. 2 is a schematic structural diagram of an engine temperature control device in a large-cycle operating state according to the present invention;
FIG. 3 is a front view of the thermostat;
FIG. 4 is a top view of the thermostat;
FIG. 5 is a bottom view of the thermostat;
labeled as: 1. a large circulation water outlet; 2. a small circulation water outlet; 3. a first water inlet; 4. a thermostat cover; 5. a thermostat; 6. a thermostat; 7. a thermostat base; 8. a second water inlet; 9. a valve body; 10. a water outlet hole; 11. a water inlet hole; 12. a supporting seat; 13. a push rod mechanism.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
It should be noted that, in the following embodiments, the "first" and "second" do not represent an absolute distinction relationship in structure and/or function, nor represent a sequential execution order, but merely for convenience of description.
As shown in fig. 1 to 5, the present invention provides an engine temperature control device, comprising a thermostat base 7 and two thermostats disposed in the thermostat base 7, wherein when the temperature of the coolant entering the thermostat base 7 reaches a first temperature, one thermostat 5 is in an open state and the other thermostat 6 is in a closed state; when the temperature of the cooling liquid entering the thermostat seat 7 reaches a second temperature, the second temperature is higher than the first temperature, and the two thermostats 5 and 6 are in an open state; the thermostat seat 7 is provided with two thermostat mounting holes, a first water inlet 3, a second water inlet 8, a large circulation water outlet 1 and a small circulation water outlet 2, and the two thermostats 5 and 6 are distributed in one thermostat mounting hole.
Specifically, as shown in fig. 1 to 5, the two thermostats are a thermostat 5 and a thermostat 6, respectively, the opening temperatures of the two thermostats 5 and 6 are different from each other, and the opening temperature of the thermostat 6 is higher than the opening temperature of the thermostat 5. Thermostat seat 7 has a inhalant canal, this inhalant canal runs through the setting for the length direction along thermostat seat 7, inhalant canal forms a water inlet on the length direction's of thermostat seat 7 both ends terminal surface respectively, two water inlets are first water inlet 3 and second water inlet 8 respectively, two thermostats 5, 6 are inside for setting up side by side at thermostat seat 7, little circulation delivery port 2, two thermostats 5, 6 are in on the same straight line that parallels with inhalant canal's length direction, little circulation delivery port 2 is located one side of thermostat 5, thermostat 5 is located between little circulation delivery port 2 and thermostat 6. The large circulation water outlet 1 is positioned at the same side of the two thermostats 5, 6, and the two thermostats 5, 6 are positioned between the large circulation water outlet 1 and the water inlet channel.
As shown in fig. 1 to 5, the two thermostats 5, 6 are constructed as is known to those skilled in the art, the two thermostats 5, 6 being substantially identical. The thermostat mainly includes supporting seat 12, valve body 9 and sets up on supporting seat 12 and the ejector pin mechanism 13 of being connected with valve body 9, and supporting seat 12 is connected with thermostat seat 7, is provided with inlet opening 11 on the valve body 9, sets up apopore 10 on the supporting seat 12, and inlet opening 11 and apopore 10 all set up a plurality ofly. The ejector rod mechanism 13 comprises a temperature sensor, an ejector rod, a spring and other parts, the temperature sensor is mainly composed of a wax bag, the temperature change is influenced, the wax bag expands and contracts to drive the ejector rod to move, the valve body 9 can move axially under the action of the ejector rod, the opening and closing of the thermostat are realized, and the moving direction of the valve body 9 is perpendicular to the length direction of the water inlet channel.
In the present embodiment, as shown in fig. 1 to 5, four water inlet holes 11 are provided, and four water outlet holes 10 are provided. All the water inlet holes 11 are through holes which penetrate through the bottom wall of the valve body 9 along the wall thickness direction, all the water inlet holes 11 are evenly distributed on the bottom wall of the valve body 9 along the circumferential direction, and the water inlet holes 11 are communicated with the water inlet channel. The apopore 10 is the through-hole that runs through the setting on supporting seat 12, and all apopores 10 are along circumference evenly distributed on supporting seat 12, and apopore 10 communicates with the interior cavity and the macrocycle delivery port 1 of valve body 9. The areas of the water inlet and the water outlet of the thermostat are increased by arranging 4 water outlets on the supporting seats 12 of the two thermostats and arranging 4 water inlet holes 11 at the bottoms of the valve bodies 9 of the two thermostats, so that the pressure loss of the cooling system is reduced.
In order to realize the control of different temperatures, the thermostat 5 and the thermostat 6 are arranged, wherein the thermostat 5 is at a normally open temperature, and the thermostat 6 is at a safe temperature. When the engine works normally, the temperature of the cooling liquid entering the thermostat seat 7 can only reach the first temperature, the thermostat 5 is opened, and the thermostat 6 is closed, so that the water temperature of the engine is ensured to be in an economic range, and the fuel economy is realized. When the engine works under the severe working condition, the temperature of the cooling liquid entering the thermostat seat 7 further rises, when the temperature of the cooling liquid reaches the second temperature, the thermostat 6 is opened, the two thermostats 5 and 6 work simultaneously, the resistance of the cooling system of the engine is further reduced, the water flow of the cooling system is increased, the water temperature is reduced, and the engine is better protected. Furthermore, the thermostat is easy to damage due to the normally open and closed actions, and after the two thermostats are arranged, the damage to an engine caused by the unsmooth flow of a cooling system due to the fault of the thermostat is avoided.
As shown in fig. 1, the specific working process of the small cycle is as follows: the engine water outlet enters the water inlet channel of the temperature control device through the first water inlet 3 and the second water inlet 8, when the water temperature is lower than the opening temperature of the thermostats 5 and 6, the valve bodies 9 of the thermostats 5 and 6 are positioned at the top dead center positions, the thermostats 5 and 6 are not opened, the large circulation is in a closed state, the small circulation water outlet 2 and the water inlet channel are in a communicated state, and water flow enters the engine through the small circulation water outlet 2 and does not pass through the circulation.
As shown in fig. 2, the specific working process of the major cycle is as follows: the water from the engine enters the water inlet channel of the temperature control device through a water inlet and a second water inlet 8. When the water temperature is higher than the thermostat opening temperature, the two thermostats 5 and 6 are in an opening state, the valve body 9 is in a bottom dead center position, the large circulation is in an opening state, water flow enters the radiator through the large circulation water outlet 1, and enters the engine after being cooled by the radiator. When the valve body 9 is in an open state, the valve body moves to the limit position of the thermostat seat 7, the small circulation channel is closed, and the large circulation independent work is realized.
The engine temperature control device with the structure has the following advantages:
1. by utilizing the multi-channel structural design, the problem of high pressure loss of the temperature regulator is solved, and the cooling effect of the engine is improved;
2. by utilizing a multi-channel scheme, a plurality of thermostats are arranged, different removal temperatures are set, control over different temperatures is realized, working condition adaptability is improved, an engine is well protected, and the purposes of saving oil and reducing consumption are realized;
3. the thermostat and the thermostat seat 7 are designed, so that large and small circulation independent work is realized, the structure is simple, and the working reliability is improved;
4. the modular temperature control device structure is good in arrangement applicability and high in universality.
The invention also provides an engine, which comprises the engine temperature control device with the structure. The specific structure of the temperature control device of the engine can refer to fig. 1 to 5, and is not described herein again. Since the engine of the present invention includes the engine temperature control device in the above embodiment, it has all the advantages of the engine temperature control device described above.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (5)
1. The temperature control device of the engine is characterized in that: the thermostat comprises a thermostat seat and two thermostats arranged in the thermostat seat, wherein the two thermostats are respectively a first thermostat and a second thermostat, when the temperature of cooling liquid entering the thermostat seat reaches a first temperature, the first thermostat is in an open state, and the second thermostat is in a closed state; when the temperature of the cooling liquid entering the thermostat seat reaches a second temperature, the second temperature is higher than the first temperature, and the first thermostat and the second thermostat are in an open state; the thermostat seat is provided with a first water inlet, a second water inlet, a large circulation water outlet and a small circulation water outlet;
the thermostat seat is provided with a water inlet channel, the water inlet channel is arranged in a penetrating manner along the length direction of the thermostat seat, the water inlet channel is respectively provided with a water inlet on the end surface of each end in the length direction of the thermostat seat, the two water inlets are respectively a first water inlet and a second water inlet, the first thermostat and the second thermostat are arranged side by side in the thermostat seat, the small circulation water outlet, the first thermostat and the second thermostat are positioned on the same straight line parallel to the length direction of the water inlet channel, the small circulation water outlet is positioned on one side of the second thermostat, the second thermostat is positioned between the small circulation water outlet and the first thermostat, the large circulation water outlet is positioned between the first thermostat and the second thermostat, and the first thermostat and the second thermostat are positioned between the large circulation water outlet and the water inlet channel;
the specific working process of the small circulation is as follows: when the water temperature is lower than the opening temperature of the two thermostats, valve bodies of the two thermostats are positioned at the top dead center position, the two thermostats are not opened, the large circulation is in a closed state, the small circulation water outlet is communicated with the water inlet channel, and water flow enters the engine through the small circulation water outlet and does not pass through the large circulation;
the specific working process of the major cycle is as follows: the water outlet of the engine enters a water inlet channel of the temperature control device through the first water inlet and the second water inlet; when the water temperature is higher than the opening temperature of the first thermostat and the second thermostat, the first thermostat and the second thermostat are in an opening state, the valve body is at a bottom dead center position, the large circulation is in an opening state, water flows into the radiator through the large circulation water outlet, and then flows into the engine after being cooled by the radiator; when the valve body is in an open state, the valve body moves to the limiting position of the thermostat seat, the small circulation channel is closed, and the large circulation independent work is realized.
2. The engine temperature control device according to claim 1, characterized in that: the two thermostats comprise a supporting seat, a valve body and an ejector rod mechanism which is arranged on the supporting seat and connected with the valve body, a water inlet hole is formed in the valve body, a water outlet hole is formed in the supporting seat, and the water inlet hole and the water outlet hole are arranged in a plurality.
3. The engine temperature control apparatus according to claim 2, characterized in that: the four water inlet holes are arranged.
4. The engine temperature control device according to claim 2 or 3, characterized in that: the number of the water outlet holes is four.
5. An engine, characterized in that: comprising the engine temperature control device according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010437203.2A CN111636960B (en) | 2020-05-21 | 2020-05-21 | Engine temperature control device and engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010437203.2A CN111636960B (en) | 2020-05-21 | 2020-05-21 | Engine temperature control device and engine with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111636960A CN111636960A (en) | 2020-09-08 |
| CN111636960B true CN111636960B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010437203.2A Active CN111636960B (en) | 2020-05-21 | 2020-05-21 | Engine temperature control device and engine with same |
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| CN (1) | CN111636960B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756930A (en) * | 2021-09-29 | 2021-12-07 | 广西玉柴机器股份有限公司 | Adjustable thermostat housing assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0768897B2 (en) * | 1988-04-04 | 1995-07-26 | マツダ株式会社 | Engine cooling system |
| JP2870393B2 (en) * | 1993-12-22 | 1999-03-17 | 日産自動車株式会社 | Thermostatic valve device |
| US8967091B2 (en) * | 2011-12-14 | 2015-03-03 | Cummins Inc. | Thermostat housing which provides optimized coolant flow |
| JP2017125430A (en) * | 2016-01-13 | 2017-07-20 | 日野自動車株式会社 | Vehicle water-cooled structure |
| CN206280154U (en) * | 2016-11-29 | 2017-06-27 | 东风朝阳朝柴动力有限公司 | The engine cylinder cover of the double thermostat bases of band |
| CN207470282U (en) * | 2017-06-21 | 2018-06-08 | 南通柴油机股份有限公司 | A kind of diesel engine temperature saving device assembly |
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2020
- 2020-05-21 CN CN202010437203.2A patent/CN111636960B/en active Active
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| CN111636960A (en) | 2020-09-08 |
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