CN106762087B - A kind of coolant temperature control system, engine assembly and vehicle - Google Patents
A kind of coolant temperature control system, engine assembly and vehicle Download PDFInfo
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- CN106762087B CN106762087B CN201510557827.7A CN201510557827A CN106762087B CN 106762087 B CN106762087 B CN 106762087B CN 201510557827 A CN201510557827 A CN 201510557827A CN 106762087 B CN106762087 B CN 106762087B
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Abstract
The invention discloses a kind of coolant temperature control system, engine assembly and vehicles.The coolant temperature control system includes: radiator (2) and heater (8), when the temperature of engine coolant is higher than first threshold temperature, so that engine cool liquid recycle stream is through the radiator (2), when the temperature of engine coolant is lower than second threshold temperature, so that engine cool liquid recycle stream is through the heater (8), wherein, the first threshold temperature is higher than the second threshold temperature, and the heater (8) is magnetic inductive heater.The present invention heats the coolant liquid under worst cold case using magnetic inductive coolant heater, the temperature control to coolant liquid is realized well, and efficient, safe heating effect can be reached, to improve traditional cooling system defect comprehensively, engine reliability of operation and service life are promoted.Meanwhile it reducing because of problems bring vehicle maintenance cost.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of coolant temperature control system, engine assembly and
Vehicle.
Background technique
Truck uses diesel engine as a source of power at present, and the fuel oil and lubricating oil of engine interior, which participate in work, to be needed
It to carry out at a suitable temperature.Cooling system major function is that engine is made to be held at suitable temperature under all operating conditions
Operation, makes engine normally carry out power output in range.It is to guarantee engine normal operation, reliability, oil consumption and use
The important system in service life.However the cooling system of the prior art only has heat sinking function, cold, environment of high-altitude area temperature compared with
It is low.Fuel oil and lubricating oil are influenced by ambient temperature, and work by combustion and lubricant effect are had a greatly reduced quality in engine, inefficiency and shadow
Ring engine operation, service life and reliability.And if heated using heating wire, heating wire and the direct contact reliability of liquid are poor,
There is great security risk, the engine reliability and life problems thus caused also results in burden to the maintenance of vehicle.This
Have become current automobile industry urgent problem to be solved.
Thus, it is desirable to have a kind of technical solution come overcome or at least mitigate in the drawbacks described above of the prior art at least one
It is a.
Summary of the invention
The purpose of the present invention is to provide a kind of coolant temperature control systems to overcome or at least mitigate the prior art
At least one of drawbacks described above.
To achieve the above object, the present invention provides a kind of coolant temperature control system, coolant temperature control system
System includes: radiator and heater, when the temperature of engine coolant is higher than first threshold temperature, so that engine coolant
Circulation flows through the radiator, when the temperature of engine coolant is lower than second threshold temperature, so that engine coolant follows
Circulation is through the heater, wherein the first threshold temperature is higher than the second threshold temperature, and the heater is magnetic induction
Formula heater,
The magnetic inductive heater includes:
Power circuit, for DC voltage to be converted into the high frequency voltage that frequency is 20KHz-40KHz；And
Multiple inner flow passages, and the first electromagnetism including the inner flow passage two sides are arranged in is arranged inside in heater manifold
Coil and the second electromagnetic coil extended in the inner flow passage that interlocks, first electromagnetic coil and the encapsulation of the second electromagnetic coil
In insulated enclosure shell, the insulated enclosure shell closes on the magnetic conductive metal internal chamber wall of the inner flow passage, first electromagnetic wire
Circle and the second electromagnetic coil form high-frequency alternating magnetic field, so that described lead under the excitation for the high frequency voltage that power circuit exports
Magnetic metal inner cavity wall fever, to be heated to the coolant liquid for flowing through the inner flow passage.
Preferably, the coolant temperature control system further comprises: the first thermostat and the second thermostat, wherein
The entrance of first thermostat is connected to the liquid outlet of engine, the entrance of first outlet and the radiator
Connection, second outlet are connected to the entrance of second thermostat, the outlet of the radiator and the feed liquor of the engine
Mouth connection；
The first outlet of second thermostat is connected to the entrance of the heater, second outlet and the radiator
Outlet, outlet and the outlet of the radiator of the heater,
Wherein, the inversion temperature of first thermostat is the first threshold temperature, in first thermostat
When the temperature of engine coolant is higher than first threshold temperature, its first outlet is opened, its second outlet is otherwise opened；
The inversion temperature of second thermostat is the second threshold temperature, the engine in second thermostat
When the temperature of coolant liquid is lower than first threshold temperature, its first outlet is opened, its second outlet is otherwise opened.
Preferably, the coolant temperature control system further comprises: electronic control unit, engine temperature sensing unit and electricity
Fan is controlled, the engine temperature sensing unit detects the temperature of the coolant liquid, and the electrical control electric fan is used for the radiator
It dries and cools down to it, when the temperature of the coolant liquid is higher than the first threshold temperature, the electronic control unit control
The electrical control electric fan is allowed to operate, when the temperature of the coolant liquid is lower than the second threshold temperature, the electronic control unit control
It makes the heater and is allowed to work.
Preferably, the engine temperature sensing unit is set as detecting the coolant liquid temperature at the inlet of the engine
Degree.
Preferably, the electronic control unit controls the heater by relay switch.
Preferably, the coolant temperature control system further comprises engine pressure sensor, the engine pressure
Force snesor is used to detect the pressure of the coolant liquid, and the electronic control unit is controlled described based on the pressure and the temperature
The revolving speed of electrical control electric fan.
Preferably, the coolant temperature control system further comprises deputy tank, in the engine and radiator
Steam is drained into the deputy tank by the exhaust outlet at the top of the engine and radiator, and the deputy tank is at bottom
It is connected to the liquid outlet of the radiator and/or the engine, to supplement coolant liquid to coolant liquid circulation line, wherein institute
State the highest point that the coolant temperature control system is arranged in deputy tank.
The present invention also provides a kind of engine assembly, the engine assembly includes coolant temperature control as described above
System.
The present invention also provides a kind of vehicle, the vehicle includes coolant temperature control system as described above.
Preferably, the vehicle is the truck using diesel engine.
The present invention heats the coolant liquid under worst cold case using magnetic inductive coolant heater, realizes well
The temperature of coolant liquid is controlled, and efficient, safe heating effect can be reached, to improve traditional cooling system comprehensively
System defect, promotes engine reliability of operation and service life.Meanwhile reduce because problems bring vehicle maintenance at
This, and solve the problems, such as that automobile industry is urgently to be resolved in the prior art.
Detailed description of the invention
Fig. 1 is the schematic diagram of coolant temperature control system according to an embodiment of the invention.
Fig. 2 is the more specific organigram of coolant temperature control system shown in FIG. 1.
Fig. 3 is the schematic diagram of heater in Fig. 1.
Fig. 4 is the schematic diagram of heater manifold in Fig. 3.
Appended drawing reference:
Specific embodiment
In the accompanying drawings, same or similar element is indicated using same or similar label or there is same or like function
Element.The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Coolant temperature control system of the invention includes radiator and heater.It is higher than in the temperature of engine coolant
When first threshold temperature (high-temperature temperature T2), so that engine cool liquid recycle stream is through the radiator, in engine coolant
Temperature be lower than second threshold temperature (chilling temperatures T1) when so that engine cool liquid recycle stream is through the heater, wherein
The first threshold temperature is higher than the second threshold temperature, and the heater is magnetic inductive heater.
By being heated using magnetic inductive coolant heater to the coolant liquid under worst cold case, realize well
Temperature control to coolant liquid, and efficient, safe heating effect can be reached, to improve traditional cooling system comprehensively
Defect promotes engine reliability of operation and service life.Meanwhile reduce because problems bring vehicle maintenance at
This, and solve the problems, such as that automobile industry is urgently to be resolved in the prior art.
Fig. 1 is the schematic diagram of coolant temperature control system according to an embodiment of the invention.Coolant liquid temperature shown in FIG. 1
Spending control system includes: engine 1, and radiator 2, electrical control electric fan 3, deputy tank 4, electronic control unit 5, relay switch 6 is (referring to figure
2), battery 7 and heater 8.Wherein, heater 8 is specially magnetic inductive coolant heater.Electronic control unit 5 passes through relaying
Switch 6 controls heater 8, to improve safety, can also directly control.
It is provided with the first thermostat 9 in engine 1, the second thermostat 10, engine water pump 11, engine water outlet 12,
Engine exhaust port 13, engine temperature sensing unit 14, engine pressure sensor 15.
Engine temperature sensing unit 14 detects the temperature of coolant liquid, and electrical control electric fan 3 is right for drying to the radiator 2
Cool down, the coolant liquid temperature be higher than the first threshold temperature when, the electronic control unit 5 controls described automatically controlled
Fan 3 is allowed to operate, and when the temperature of the coolant liquid is lower than the second threshold temperature, the electronic control unit 5 controls described
Heater 8 is allowed to work.Advantageously, engine temperature sensing unit 14 is set as cold at the inlet for detecting the engine
But liquid temperature.
The entrance of first thermostat 9 is connected to the liquid outlet of engine 1, the entrance of first outlet and the radiator 2
Connection, second outlet are connected to the entrance of second thermostat 10, outlet and the engine 1 of the radiator 2
Inlet connection.The inversion temperature of first thermostat 9 is the first threshold temperature, is started in first thermostat 9
When the temperature of machine coolant liquid is higher than first threshold temperature, its first outlet is opened, its second outlet is otherwise opened.
The first outlet of second thermostat 10 is connected to the entrance of the heater 8, second outlet and the radiator 2
Outlet, outlet and the outlet of the radiator 2 of the heater 8.The inversion temperature of second thermostat 10 is
The second threshold temperature is opened when the temperature of the engine coolant in second thermostat 9 is lower than first threshold temperature
Its first outlet is opened, its second outlet is otherwise opened.
Radiator 2 includes: water inlet of radiator 16, radiator outlet 17, radiator exhaust outlet 18, wind scooper 19.
Deputy tank 4 includes: deputy tank water outlet 20, radiator-deputy tank air intake 21, engine-deputy tank air intake
22.Steam in engine and radiator drains into the deputy tank by the exhaust outlet at the top of the engine and radiator
In 4, deputy tank 4 is connected at bottom with the liquid outlet of the radiator and/or the engine, to coolant liquid circulation line
Supplement coolant liquid.Advantageously, as shown in Fig. 2, the highest point of the coolant temperature control system is arranged in deputy tank 4.
Coolant line includes: engine water outlet 23, radiator inleting pipe 24, radiator outlet pipe 25, water pump always into
Water pipe 26, the second thermostat water inlet pipe 27, the second thermostat outlet pipe 28, magnetic inductive coolant heater water inlet pipe 29, magnetic
Induction type coolant heater outlet pipe 30, deputy tank outlet pipe 31.
Outlet pipe includes: engine escape pipe 32, radiator escape pipe 33；Electronic circuit includes: engine temperature passes
Sensor conducting wire 34, engine pressure sensor conductor 35, fan control conducting wire 36, fan power supply conducting wire 37, relay switch control
Conducting wire 38, heater pilot 39, heater power source conducting wire 40.
Heater 8 includes: power circuit 81, and heater manifold 82 enters water chamber 83, water-supplying chamber 84, water inlet 85, water outlet
86, water-supplying chamber's sensor 87, heater power source connector 88, heater control joint 89, fixed bracket 90.Heater manifold 82 wraps
It includes: electromagnetic coil 821, insulated enclosure shell 822, metal inner cavity wall 823, inner flow passage 824.
The effect of power circuit 81 is that DC voltage is converted into the high frequency voltage that frequency is 20-40KHz, passes through heater
The electromagnetic coil 821 of 82 intra helical of manifold forms high-frequency alternating magnetic field.When the magnetic line of force in magnetic field passes through metal inner cavity wall
When 823, the vortex of alternation is generated in 823 body of metal inner cavity wall, which keeps the metallic atom high speed of metal inner cavity wall 823 random
Then move, atom collide with each other, rub and generate thermal energy make metal inner cavity wall 823 itself voluntarily high speed generate heat, thus realize by
Electric energy is converted to thermal energy.
The material of metal inner cavity wall 823 is specially the metal material of magnetic conduction.
Electromagnetic coil 821 is closed inside it by insulated enclosure shell 822, with the isolations such as metal inner cavity wall 823, is kept away
Exempt from directly to contact with coolant liquid.Inner flow passage is the coolant channels runner surrounded by metal inner cavity wall 823, metal inner cavity wall 823
Generation heat is converted electrical energy by electromagnetic principle, the coolant liquid for flowing through inner flow passage 824 is heated.
Coolant liquid enters water chamber 83 from water inlet 85, flows through after multiple heater manifolds 82 are heated, imports water outlet
Room 84 is flowed out from water outlet 86.Water-supplying chamber's sensor 87 is set inside water-supplying chamber 84, for monitoring temperature, when the temperature is excessively high
Stop heating, prevents the hot-spot at heater.In 81 side of power circuit, setting respectively with battery 7 and electronic control unit 5
The heater power source connector 88 and heater control joint 89 of connection.Fixed bracket is additionally provided with for fixing multiple heaters
Manifold 82.
That is, being provided with multiple inner flow passages 824 in heater manifold 82, and including being arranged in the inner flow passage 824
First electromagnetic coil of two sides and staggeredly extend to the second electromagnetic coil in the inner flow passage 824, first electromagnetic wire and
Second electromagnetic coil is encapsulated in insulated enclosure shell 822, and the insulated enclosure shell 822 closes on the magnetic conduction of the inner flow passage 824
The excitation for the high frequency voltage that metal inner cavity wall 823, first electromagnetic coil and the second electromagnetic coil are exported in power circuit 81
Under, high-frequency alternating magnetic field is formed, so that the magnetic conductive metal internal chamber wall 823 generates heat, thus to the cold of the inner flow passage 824 is flowed through
But liquid is heated.
Engine pressure sensor 15 is used to detect the pressure of the coolant liquid, and electronic control unit 5 is based on the pressure and institute
Temperature is stated to control the revolving speed of electrical control electric fan 3.
In conclusion the magnetic inductive coolant heater innovatively utilizes electromagnetic induction principle, and cooperate whole wound
New construction achievees the effect that efficient " heating every sky ", is different from existing heating wire contact and directly heats, this magnetic inductive is cooling
Liquid heater has many advantages, such as that high reliablity, heating effect are good.The coolant temperature control system innovatively utilizes magnetic inductive
Coolant heater, and cooperate thermostat auto switching, the innovative designs such as electronic control fan of intelligent control are realized well
To the temperature management of coolant liquid.Traditional cooling system defect is improved comprehensively, promotes engine reliability of operation and use
Service life.Meanwhile it reducing because of problems bring vehicle maintenance cost.And it solves automobile industry and urgently solves in the prior art
Certainly problem.
Any vehicle can be using the vehicle of above-mentioned coolant temperature control system, it is preferable that the vehicle is to use
The truck of diesel engine.
The working principle of above-mentioned coolant temperature control system is briefly described below.
Firstly, setting chilling temperatures T1 (second threshold temperature, for example, being set as 0 degree Celsius), high-temperature temperature T2 (first
Threshold temperature, for example, being set as 80 degrees Celsius), and T1 < T2.It is understood that chilling temperatures T1 and high-temperature temperature T2 can be with
The parameter settings such as the weather according to specific vehicle and using area.It is understood that can be by the way that the first and second sections be arranged
The operating temperature of warm device is arranged above-mentioned temperature.Can also be by being electronically arranged, such as in generation, is come with two-position three way magnetic valve
For thermostat, position or the state of two position three-way valve are controlled based on the temperature detected.
Operating condition division is carried out according to the practical coolant temperature T detected, illustrates running situation according to different operating conditions.
Cold condition:
As T < T1, system enters cold condition, and coolant liquid flows through heating partial circulating.
1 internal coolant of engine comes out, via engine under 11 pressure of engine water pump from engine water outlet 12
Outlet pipe 23 enters the first thermostat 9.Due to temperature T < T2, the systemic circulation path blockade of the first thermostat 9, partial circulating access is opened
It opens, coolant liquid enters the second thermostat 10 via the second thermostat water inlet pipe 27.Due to temperature T < T1, the second thermostat 10 it is low
Warm partial circulating path blockade, heating partial circulating access open, coolant liquid via magnetic inductive coolant heater water inlet pipe 29 into
Enter magnetic inductive coolant heater 8.
At this point, engine temperature sensing unit 14 by temperature signal by engine temperature sensing unit conducting wire 34 pass to it is automatically controlled
Unit 5, by judgement, T < T1 system enters cold condition.Electronic control unit 5 opens the letter of heater switch to the output of relay switch 6
Number, magnetic inductive coolant heater 8 is begun to warm up.Flow through magnetic inductive coolant heater 8 coolant liquid be heated after, warp
By magnetic inductive coolant heater outlet pipe 30 by engine water pump 11, inside return engine 1.
Under cold condition, the path that coolant liquid flows through is:
Engine 1-- engine water outlet 12-- the first thermostat 9-- the second thermostat 10-- magnetic inductive coolant liquid adds
Hot device 8-- engine water pump 11-- engine 1.
Under cold condition, T < T2, so electrical control electric fan 3 does not work under the control of electronic control unit 5.
Worst cold case
As T1 < T < T2, system enters worst cold case, and coolant liquid flows through low temperature partial circulating.
1 internal coolant of engine comes out, via engine under 11 pressure of engine water pump from engine water outlet 12
Outlet pipe 23 enters the first thermostat 9.Due to temperature T < T2, the systemic circulation path blockade of the first thermostat 9, partial circulating access is opened
It opens, coolant liquid enters the second thermostat 10 via the second thermostat water inlet pipe 27.
At this point, engine temperature sensing unit 14 by temperature signal by engine temperature sensing unit conducting wire 34 pass to it is automatically controlled
Unit 5, by judgement, T1 < T < T2 system enters worst cold case.Electronic control unit 5 closes heater switch to the output of relay switch 6
Signal, magnetic inductive coolant heater 8 do not work.Due to temperature T > T1, the heating partial circulating access of the second thermostat 10 is closed
It closes, low temperature partial circulating access is opened, and coolant liquid passes through engine water pump 11, return engine via the second thermostat outlet pipe 28
Inside 1.
Under worst cold case, the path that coolant liquid flows through is:
Engine 1-- engine water outlet the first thermostat of 12-- the second thermostat of 9-- 10-- engine water pump 11-- hair
Motivation 1.
Under worst cold case, T < T2, under electronic control unit 5 controls, electrical control electric fan 3 does not work.
Worst hot case
As T > T2, system enters worst hot case, and coolant liquid flows through heat dissipation systemic circulation；
1 internal coolant of engine comes out, via engine under 11 pressure of engine water pump from engine water outlet 12
Outlet pipe 23 enters the first thermostat 9.Due to temperature T > T2, the partial circulating path blockade of the first thermostat 9, systemic circulation access is opened
It opens.Coolant liquid enters radiator 2 via radiator inleting pipe 24, by water inlet of radiator 16.
At this point, engine temperature sensing unit 14 passes to temperature signal (T) by engine temperature sensing unit conducting wire 34
Electronic control unit 5, by judgement, T > T2 system enters worst hot case.Electronic control unit 5 closes heater switch to the output of relay switch 6
Signal, magnetic inductive coolant heater 8 do not work.Under worst hot case, electronic control unit 5 controls electrical control electric fan 3 and starts.Together
When, pressure signal is passed to electronic control unit 5 by engine pressure sensor conductor 35 by engine pressure sensor 15.It is automatically controlled
Unit 5 is according to the revolving speed of system temperature and pressure comprehensive descision output signal control electrical control electric fan 3, and temperature is higher, pressure is bigger,
3 revolving speed of electrical control electric fan is higher (in controlled range), and bring air quantity is bigger.3 bring wind of electrical control electric fan, flows through 2 core of radiator
Body radiates, and wind scooper is used to gather and guide wind.Coolant liquid after being radiated is flowed through by radiator outlet 17
Radiator outlet pipe 25 and water pump water inlet manifold 26, by engine water pump 11, inside return engine 1.
Under worst hot case, coolant liquid volume expansion after engine and radiators heat generates steam, by engine 1
The radiator exhaust outlet 18 of engine exhaust port 13 and the top of the radiator at top 2 via engine escape pipe 32 and dissipates respectively
Hot device escape pipe 33 enters radiator-deputy tank air intake 21 and engine-deputy tank air intake 22 and steam is drained into deputy tank 4
In.Since coolant liquid is evaporated, coolant loss can be occurred in cooling system, therefore setting is played plus/moisturizing and expansion
Deputy tank 20, deputy tank 20 are arranged in entire cooling system highest point, are acted on by linker, the cooling being stored in deputy tank 4
Liquid is supplemented in cooling system by deputy tank water outlet 20 via deputy tank outlet pipe 31.
Battery 7 is provided by the routes such as fan power supply conducting wire 37 and heater power source conducting wire 40 for above-mentioned electrical equipment
Electric power energy.
Under worst hot case, the path that coolant liquid flows through is:
Engine 1-- engine water outlet 12-- the first thermostat 9-- radiator 2-- engine water pump 11-- engine 1.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.This
The those of ordinary skill in field is it is understood that be possible to modify the technical solutions described in the foregoing embodiments or right
Part of technical characteristic is equivalently replaced；These are modified or replaceed, and it does not separate the essence of the corresponding technical solution originally
Invent the spirit and scope of each embodiment technical solution.
Claims (10)
1. a kind of coolant temperature control system characterized by comprising radiator (2) and heater (8), it is cold in engine
But when the temperature of liquid is higher than first threshold temperature (T2), so that engine cool liquid recycle stream is starting through the radiator (2)
When the temperature of machine coolant liquid is lower than second threshold temperature (T1), so that engine cool liquid recycle stream is through the heater (8),
In, the first threshold temperature is higher than the second threshold temperature, and the heater (8) is magnetic inductive heater,
The magnetic inductive heater includes:
Power circuit (81), for DC voltage to be converted into the high frequency voltage that frequency is 20KHz-40KHz；And
Heater manifold (82) is arranged inside multiple inner flow passages (824), and including being arranged in the inner flow passage (824) two sides
The first electromagnetic coil and staggeredly extend to the second electromagnetic coil in the inner flow passage (824), first electromagnetic coil and
Second electromagnetic coil is encapsulated in insulated enclosure shell (822), and the insulated enclosure shell (822) closes on the inner flow passage (824)
Magnetic conductive metal internal chamber wall (823), the high frequency that first electromagnetic coil and the second electromagnetic coil are exported in power circuit (81)
Under the excitation of voltage, high-frequency alternating magnetic field is formed, so that the magnetic conductive metal internal chamber wall (823) generates heat, thus described to flowing through
The coolant liquid of inner flow passage (824) is heated.
2. coolant temperature control system as described in claim 1, which is characterized in that further comprise: the first thermostat (9)
With the second thermostat (10), wherein
The entrance of first thermostat (9) is connected to the liquid outlet of engine (1), first outlet and the radiator (2)
Entrance connection, second outlet is connected to the entrance of second thermostat (10), the outlet of the radiator (2) with it is described
The inlet of engine (1) is connected to；
The first outlet of second thermostat (10) is connected to the entrance of the heater (8), and second outlet is dissipated with described
The outlet of hot device (2), the outlet of the heater (8) and the outlet of the radiator (2),
Wherein, the inversion temperature of first thermostat (9) is the first threshold temperature, in first thermostat (9)
Engine coolant temperature be higher than first threshold temperature when, open its first outlet, otherwise open its second outlet；
The inversion temperature of second thermostat (10) is the second threshold temperature, the hair in second thermostat (9)
When the temperature of motivation coolant liquid is lower than first threshold temperature, its first outlet is opened, its second outlet is otherwise opened.
3. coolant temperature control system as claimed in claim 2, which is characterized in that further comprise: electronic control unit (5),
Engine temperature sensing unit (14) and electrical control electric fan (3), the engine temperature sensing unit (14) detect the temperature of the coolant liquid
Degree, the electrical control electric fan (3) are used to dry to the radiator (2) and cool down to it, high in the temperature of the coolant liquid
When the first threshold temperature, the electronic control unit (5) controls the electrical control electric fan (3) and is allowed to operate, in the coolant liquid
Temperature when being lower than the second threshold temperature, the electronic control unit (5) controls the heater (8) and is allowed to work.
4. coolant temperature control system as claimed in claim 3, which is characterized in that the engine temperature sensing unit (14)
It is set as detecting the coolant temperature at the inlet of the engine.
5. coolant temperature control system as claimed in claim 3, which is characterized in that the electronic control unit (5) passes through relaying
(6) are switched to control the heater (8).
6. coolant temperature control system as claimed in claim 3, which is characterized in that further comprise engine pressure sensing
Device (15), the engine pressure sensor (15) are used to detect the pressure of the coolant liquid, and the electronic control unit (5) is based on institute
Pressure and the temperature are stated to control the revolving speed of the electrical control electric fan (3).
7. coolant temperature control system as claimed in claim 4, which is characterized in that it further comprise deputy tank (4), it is described
Steam in engine and radiator drains into the deputy tank (4) by the exhaust outlet at the top of the engine and radiator
In, the deputy tank (4) is connected at bottom with the liquid outlet of the radiator and/or the engine, to follow to coolant liquid
Endless tube road supplements coolant liquid, wherein the highest point of the coolant temperature control system is arranged in the deputy tank (4).
8. a kind of engine assembly, which is characterized in that including coolant temperature control such as of any of claims 1-7
System.
9. a kind of vehicle, which is characterized in that including coolant temperature control system such as of any of claims 1-7.
10. vehicle as claimed in claim 9, which is characterized in that the vehicle is the truck using diesel engine.
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| CN107781330B (en) * | 2017-11-17 | 2024-02-20 | 潍柴动力股份有限公司 | Heat dissipation system of hydraulic retarder matched with whole car and car |
| CN109469543B (en) * | 2018-11-01 | 2020-04-14 | 安徽双桦热交换系统有限公司 | Radiator working state monitoring system |
| CN109611188A (en) * | 2019-01-31 | 2019-04-12 | 李斯特技术中心（上海）有限公司 | A kind of engine lesser circulation |
| CN115143007A (en) * | 2021-03-30 | 2022-10-04 | 广州汽车集团股份有限公司 | Temperature control module control method and device and computer storage medium |
| CN114412627B (en) * | 2021-12-22 | 2023-07-18 | 潍柴动力股份有限公司 | Engine cooling system and control method |
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| CN204492953U (en) * | 2013-10-14 | 2015-07-22 | 通用汽车环球科技运作有限责任公司 | The cooling system of explosive motor and explosive motor |
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