CN205744104U - The engine thermal management system being made up of with variable water resistance loop controlled water pump - Google Patents
The engine thermal management system being made up of with variable water resistance loop controlled water pump Download PDFInfo
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- CN205744104U CN205744104U CN201620563295.8U CN201620563295U CN205744104U CN 205744104 U CN205744104 U CN 205744104U CN 201620563295 U CN201620563295 U CN 201620563295U CN 205744104 U CN205744104 U CN 205744104U
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Abstract
This utility model provides a kind of engine thermal management system being made up of controlled water pump with variable water resistance loop, including engine body, Engine ECU, expansion tank, feed pump in parallel and auxiliary pump, described feed pump is switching regulator water pump, by electric control clutch control, described auxiliary pump is electronic water pump, is controlled by driving motor；Double water pump parallel connection outlet is divided into cylinder body loop and cylinder cap loop after being connected to engine body, in sequential series on described cylinder body loop have the first electronic thermostat and the first heat-exchanging part, and in sequential series on described cylinder cap loop have the second electronic thermostat and the second heat-exchanging part；Described electric control clutch, driving motor, electronic thermostat all electrically connect with Engine ECU, and described Engine ECU also additionally electrically connects with multiple detecting signal units.Technique scheme can be implemented in the Flow-rate adjustment under different operating mode and water resistance regulation, so that engine-cooling system heat management and pump power consumption realize optimal coupling.
Description
Technical field
This utility model relates to internal-combustion engine cooling system technical field, particularly one and is returned with variable water resistance by controlled water pump
The engine thermal management system that road is constituted.
Background technology
Combustion engine energy-saving is the focus and emphasis of current internal-combustion engine technology research and development, and cooling system is due to improving electromotor combustion
Burning has significant energy-saving potential and earns widespread respect always.According to the principle of internal-combustion engine cooling system, work as cooling liquid of IC engine
When temperature is higher, so that internal combustion engine does not haves overheated, cooling water pump must provide for sufficiently large coolant rate, therefore
Pump selection first consider car load to be met actually used during the most severe heat radiation operating mode, i.e. the internal combustion engine slow-speed of revolution is born entirely
Lotus operating mode.But when internal-combustion engine rotational speed is higher, especially when small load condition, if the coolant rate mistake that water pump provides
Greatly, too much heat can be taken away so that internal combustion engine temperature is less than preferable target temperature, it is therefore desirable to reduce cooling as far as possible
Flow quantity；Additionally, when internal combustion engine cold start-up, in order to shorten warm-up period, it is also desirable to reduce coolant rate as far as possible, otherwise,
Warm-up period is long can be increased engine fuel consumption and make emission level deteriorate.
In prior art, owing to using machine driving between mechanical water pump and internal combustion engine, if internal combustion engine operation, mechanical water
Pump just operating, the rotating speed of mechanical water pump becomes, with the rotating speed of internal combustion engine, the speed ratio relation fixed, therefore, it is impossible to according to actual internal combustion
The height of machine coolant temperature regulates the flow of coolant.At present, some companies are also had to have begun to develop and even answer electricity consumption
Sub-water pump, controls the rotating speed of electronic water pump by electronic control unit, it is achieved that coolant rate controls and internal-combustion engine rotational speed
Separation, but compare mechanical water pump, electronic water pump relatively costly, and due to power of motor to limit its traffic ability limited,
The use requirement of middle large-duty engine can not be met.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of be made up of controlled water pump and variable water resistance loop send out
Motivation heat management system, it is achieved to the Flow-rate adjustment under different operating modes and water resistance regulation, on the one hand make electromotor rapid warming-up, separately
On the one hand the power consumption of cooling water pump is reduced.
In order to solve above-mentioned technical problem, this utility model adopt the following technical scheme that a kind of by controlled water pump with variable
The engine thermal management system that water resistance loop is constituted, including engine body, Engine ECU, cooling water pump, expansion tank, institute
State cooling water pump and include that feed pump and auxiliary pump, described feed pump are switching regulator water pump, by electric control clutch control, described auxiliary
Helping water pump is electronic water pump, is controlled by driving motor；Described auxiliary water delivery side of pump is provided with non-return check valve, described feed pump and
Described auxiliary pump is in parallel, and double water pump parallel connection outlet is divided into cylinder body loop and cylinder cap loop after being connected to engine body, described
In sequential series on cylinder body loop have the first electronic thermostat and the first heat-exchanging part, and in sequential series on described cylinder cap loop have
Two electronic thermostats and the second heat-exchanging part；Described expansion tank is connected with the import of cooling water pump, by cooling down by pipeline
The coolant that water pump pumps out is respectively through the import returning to cooling water pump behind cylinder body loop, cylinder cap loop；Described electric control clutch,
Driving motor, electronic thermostat all to electrically connect with Engine ECU, described Engine ECU is also other and multiple detecting signal units
Electrical connection, described detecting signal unit includes oil temperature sensor, cylinder body cooling-water temperature sensor, cylinder head water temperature sensor, water pump
Inlet outlet pressure differential or outlet pressure sensor, pump rotary speed sensor.
In technique scheme, in parallel with auxiliary electron water pump by electric control clutch feed pump, and bielectron joint temperature
The variable water resistance loop that device is constituted, it is possible to achieve the Flow-rate adjustment under different operating modes and water resistance regulation, due to electric control clutch,
Driving motor, electronic thermostat all to electrically connect with Engine ECU, Engine ECU 13 is according to the oil temperature detected, cylinder body water
Temperature, cylinder cap water temperature, water pump inlet outlet pressure differential or outlet pressure, pump rotary speed carry out comprehensive computing, then to electric control clutch and
Drive motor to control output accordingly, finally make water pump discharge pressure reach desired value, i.e. combine the output cooling of water pump
Flow quantity reaches desired value, so that engine-cooling system heat management and pump power consumption realize optimal coupling.
The further technical scheme of this utility model is: described cylinder cap loop, after the second electronic thermostat, is formed big
Circulation line and partial circulating pipeline, described systemic circulation pipeline connects and has radiator, and systemic circulation pipeline is direct after radiator
It is connected with the import of cooling water pump；The import with cooling water pump after the second heat-exchanging part of described partial circulating pipeline is connected.
In one embodiment, on described radiator pipeline between expansion tank and cooling water pump import.
In one embodiment, described cylinder body loop, after the first electronic thermostat, enters with different water resistance patterns
First heat-exchanging part.
Preferably, described first electronic thermostat and the second electronic thermostat all use waxtype thermostat.
Preferably, described electric control clutch is electromagnetic clutch or electric-controlled silicon oil clutch.
Preferably, described driving motor is DC brushless motor.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram in this utility model embodiment.
Reference is:
1 feed pump 2 electric-controlled silicon oil clutch 3 auxiliary pump
4 DC brushless motor 5 non-return check valve 6 engine bodies
7 second electronic thermostat 8 expansion tanks
9 first electronic thermostat 10 radiators
11 first heat-exchanging part 12 second heat-exchanging parts
13 Engine ECU
13.1 oil temperature sensor 13.2 cylinder body cooling-water temperature sensors
13.3 cylinder head water temperature sensor
13.4 water pump inlet outlet pressure differential or outlet pressure sensors
13.5 pump rotary speed sensor.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, this utility model is made further with accompanying drawing below in conjunction with embodiment
Explanation, the content that embodiment is mentioned is not to restriction of the present utility model.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.At this utility model
Description in, " multiple " are meant that two or more, unless otherwise expressly limited specifically.Retouch of the present utility model
In stating, it should be noted that unless otherwise prescribed and limit, term " is installed ", " being connected ", " connection " should be interpreted broadly, example
As, can be to be mechanically connected or electrical connection, it is also possible to be the connection of two element internals, can be to be joined directly together, it is also possible to be logical
Cross intermediary to be indirectly connected to, for the ordinary skill in the art, described term can be understood as the case may be
Concrete meaning.
As it is shown in figure 1, preferred embodiment of the present utility model is: a kind of be made up of with variable water resistance loop controlled water pump
Engine thermal management system, including engine body 6, Engine ECU 13, cooling water pump, expansion tank 8, described cooling water pump
Including feed pump 1 and auxiliary pump 3, wherein feed pump 1 is switching regulator water pump, electric-controlled silicon oil clutch 2 control, auxiliary pump
3 is electronic water pump, DC brushless motor 4 control；The outlet of auxiliary pump 3 is provided with non-return check valve 5, feed pump 1 and auxiliary
Water pump 3 is in parallel, and double water pump parallel connection outlet is divided into cylinder body loop and cylinder cap loop after being connected to engine body 6, and described cylinder body returns
In sequential series on road have the first electronic thermostat 9 and the first heat-exchanging part 11, and in sequential series on described cylinder cap loop have second
Electronic thermostat 7 and the second heat-exchanging part 12, the first electronic thermostat 9 and the second electronic thermostat 7 all use wax Shi Jiewen
Device；Expansion tank 8 is connected with the import of cooling water pump by pipeline, cooling water pump the coolant pumped out is returned respectively through cylinder body
The import of cooling water pump is returned to behind road, cylinder cap loop；Electric-controlled silicon oil clutch 2, DC brushless motor the 4, first electronic thermostat 9
All electrically connecting with Engine ECU 13 with the second electronic thermostat 7, described Engine ECU 13 is gone back additionally and multiple signal detection lists
Unit's electrical connection, described detecting signal unit includes that oil temperature sensor 13.1, cylinder body cooling-water temperature sensor 13.2, cylinder cap water temperature pass
Sensor 13.3, water pump inlet outlet pressure differential or outlet pressure sensor 13.4, pump rotary speed sensor 13.5.
As it is shown in figure 1, cylinder cap loop is after the second electronic thermostat 7, form systemic circulation pipeline and partial circulating pipeline, greatly
Connecting on circulation line and have radiator 10, systemic circulation pipeline is directly connected with the import of cooling water pump after radiator 10, dissipates
Hot device 10 also is located on the pipeline between expansion tank 8 and cooling water pump import simultaneously；Partial circulating pipeline is through the second heat exchange
After parts 12, the import with cooling water pump is connected.Cylinder body loop, after the first electronic thermostat 9, is entered with different water resistance patterns
Enter the first heat-exchanging part 11.
In parallel with auxiliary pump 3 by feed pump 1, and the variable water resistance loop that bielectron thermostat is constituted, permissible
Realizing the Flow-rate adjustment under different operating modes and water resistance regulation, Engine ECU 13 is according to the oil temperature detected, cylinder body water
Temperature, cylinder cap water temperature, water pump inlet outlet pressure differential or outlet pressure, pump rotary speed carry out comprehensive computing, then to automatically controlled silicon oil clutch
Device 2 and DC brushless motor 4 control output accordingly, finally make water pump discharge pressure reach desired value, i.e. combine water pump
Output coolant rate reach desired value, so that engine-cooling system heat management and pump power consumption realize optimal
Join.
Above-described embodiment is this utility model preferably implementation, and in addition, this utility model can be with other side
Formula realizes, and on the premise of conceiving without departing from the technical program, any obvious replacement is all at protection model of the present utility model
Within enclosing.
In order to allow those of ordinary skill in the art understand more easily this utility model relative to prior art improvement it
Place, accompanying drawings more of the present utility model and description have been simplified, and for the sake of clarity, present specification is omitted one
Other elements a little, it is of the present utility model interior that those of ordinary skill in the art it is to be appreciated that these elements omitted also may make up
Hold.
Claims (7)
1. the engine thermal management system being made up of with variable water resistance loop controlled water pump, including engine body (6), sends out
Motivation ECU (13), cooling water pump, expansion tank (8), it is characterised in that: described cooling water pump includes feed pump (1) and auxiliary water
Pump (3), described feed pump (1) is switching regulator water pump, electric control clutch (2) control, and described auxiliary pump (3) is electronic water
Pump, is controlled by driving motor (4)；The outlet of described auxiliary pump (3) is provided with non-return check valve (5), described feed pump () and institute
Stating auxiliary pump (3) in parallel, double water pump parallel connection outlet is divided into cylinder body loop and cylinder cap loop after being connected to engine body (6),
In sequential series on described cylinder body loop have the first electronic thermostat (9) and the first heat-exchanging part (11), on described cylinder cap loop
In sequential series have the second electronic thermostat (7) and the second heat-exchanging part (12)；Described expansion tank (8) passes through pipeline and cooling
The import of water pump is connected, cooling water pump the coolant pumped out returns to cooling water pump respectively through cylinder body loop, cylinder cap behind loop
Import；Described electric control clutch (2), driving motor (4), electronic thermostat (7,9) all electrically connect with Engine ECU (13),
Described Engine ECU (13) also additionally electrically connects with multiple detecting signal units, and described detecting signal unit includes oil temperature
Sensor (13.1), cylinder body cooling-water temperature sensor (13.2), cylinder head water temperature sensor (13.3), water pump inlet outlet pressure differential or outlet pressure
Force transducer (13.4), pump rotary speed sensor (13.5).
The engine thermal management system being made up of with variable water resistance loop controlled water pump the most according to claim 1, it is special
Levy and be: described cylinder cap loop, after the second electronic thermostat (7), forms systemic circulation pipeline and partial circulating pipeline, described greatly
Connecting on circulation line and have radiator (10), systemic circulation pipeline is the direct import phase with cooling water pump after radiator (10)
Even；Described partial circulating pipeline is connected with the import of cooling water pump after the second heat-exchanging part (12).
The engine thermal management system being made up of with variable water resistance loop controlled water pump the most according to claim 2, it is special
Levy and be: described radiator (10) is positioned on the pipeline between expansion tank (8) and cooling water pump import.
The engine thermal management system being made up of with variable water resistance loop controlled water pump the most according to claim 1 and 2, its
It is characterised by: described cylinder body loop, after the first electronic thermostat (9), enters the first heat exchange department with different water resistance patterns
Part (11).
The engine thermal management system being made up of with variable water resistance loop controlled water pump the most according to claim 1 and 2, its
It is characterised by: described first electronic thermostat (9) and the second electronic thermostat (7) all use waxtype thermostat.
The engine thermal management system being made up of with variable water resistance loop controlled water pump the most according to claim 1 and 2, its
It is characterised by: described electric control clutch is electromagnetic clutch or electric-controlled silicon oil clutch.
The engine thermal management system being made up of with variable water resistance loop controlled water pump the most according to claim 1 and 2, its
It is characterised by: described driving motor is DC brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563295.8U CN205744104U (en) | 2016-06-13 | 2016-06-13 | The engine thermal management system being made up of with variable water resistance loop controlled water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563295.8U CN205744104U (en) | 2016-06-13 | 2016-06-13 | The engine thermal management system being made up of with variable water resistance loop controlled water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205744104U true CN205744104U (en) | 2016-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620563295.8U Withdrawn - After Issue CN205744104U (en) | 2016-06-13 | 2016-06-13 | The engine thermal management system being made up of with variable water resistance loop controlled water pump |
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| Country | Link |
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| CN (1) | CN205744104U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888808A (en) * | 2016-06-13 | 2016-08-24 | 湖南机油泵股份有限公司 | Engine heat management system consisting of controllable water pumps and variable water resistance loop |
| CN110486139A (en) * | 2019-09-06 | 2019-11-22 | 东风富士汤姆森调温器有限公司 | Engine thermolator |
| CN111033008A (en) * | 2017-08-31 | 2020-04-17 | 尼得科Gpm有限公司 | Coolant pump with application-optimized structure |
| CN112282917A (en) * | 2020-09-25 | 2021-01-29 | 潍柴动力股份有限公司 | Engine thermal management system and vehicle |
| CN114233459A (en) * | 2021-11-08 | 2022-03-25 | 潍柴动力股份有限公司 | Engine cooling system and control method |
-
2016
- 2016-06-13 CN CN201620563295.8U patent/CN205744104U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888808A (en) * | 2016-06-13 | 2016-08-24 | 湖南机油泵股份有限公司 | Engine heat management system consisting of controllable water pumps and variable water resistance loop |
| CN111033008A (en) * | 2017-08-31 | 2020-04-17 | 尼得科Gpm有限公司 | Coolant pump with application-optimized structure |
| US11125244B2 (en) | 2017-08-31 | 2021-09-21 | Nidec Gpm Gmbh | Coolant pump with application-optimised design |
| CN111033008B (en) * | 2017-08-31 | 2021-12-14 | 尼得科Gpm有限公司 | Coolant pump with application-optimized structure |
| CN110486139A (en) * | 2019-09-06 | 2019-11-22 | 东风富士汤姆森调温器有限公司 | Engine thermolator |
| CN112282917A (en) * | 2020-09-25 | 2021-01-29 | 潍柴动力股份有限公司 | Engine thermal management system and vehicle |
| CN114233459A (en) * | 2021-11-08 | 2022-03-25 | 潍柴动力股份有限公司 | Engine cooling system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180907 |
|
| AV01 | Patent right actively abandoned |