CN206346821U - Engineering truck temperature control system based on double cooling circuit Separated radiating devices - Google Patents
Engineering truck temperature control system based on double cooling circuit Separated radiating devices Download PDFInfo
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- CN206346821U CN206346821U CN201720013467.9U CN201720013467U CN206346821U CN 206346821 U CN206346821 U CN 206346821U CN 201720013467 U CN201720013467 U CN 201720013467U CN 206346821 U CN206346821 U CN 206346821U
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Abstract
The utility model is related to a kind of engineering truck temperature control system based on double cooling circuit Separated radiating devices, belongs to engineering truck intelligent temperature control field.The transmission oil heat exchanger of parallel arrangement, hydraulic oil heat exchanger coolant are not interfere with each other in the high and low temperature cooling circuit according to system heat sources characteristic Design, low-temperature circuit, it is to avoid cooling capacity is not enough or sub-cooled problem.Using the smaller water-cooled charge air cooler of volume, hydraulic oil heat exchanger, transmission oil heat exchanger, mitigate radiator module gross weight while improving heat exchange efficiency, manufacturing cost is reduced, arrangement of being more convenient in limited piggyback pod space reduces the pressure loss that air flows through radiator module.ECU realizes the function of the radiating requirements Auto-matching radiator according to each thermal source in high and low temperature cooling circuit, improves the utilization ratio of radiator by controlling the working condition of solenoid directional control valve, has reached the purpose of reduction system power dissipation.
Description
Technical field
The utility model is related to engineering truck intelligent temperature control technical field, more particularly to a kind of based on double cooling circuit splits
The engineering truck temperature control system of radiator.
Background technology
Engineering truck temperature control system major function is to ensure engineering truck corresponding each system (engine system, plenum
System, transmission system and hydraulic system) worked all the time within the scope of suitable temperature.Engineering truck operating environment rather harsh,
Often there are multiple thermals source and radiator interfered because piggyback pod space is limited, in piggyback pod, if cooling system can not
Very big hidden danger will be brought to the operation of vehicle safety and steady by meeting the radiating requirements of engineering truck thermal source.The work of each system of engineering truck
Make it is too high or too low for temperature vehicle can all be caused damage, therefore vehicle heat management problems are the focus studied both at home and abroad all the time.
More than traditional engineering truck cooling system by the way of arrangement before and after Mechanical Driven cooling fan and radiator group, this kind arrangement
Mode easily causes cooling air and interfered with each other between each radiator, makes some spreader surface air volume adjustments uneven, causes to pass
Hot coefficient reduction heat-sinking capability declines.Traditional type of cooling radiator module crushing is larger；The cooling fan rotation speed of Mechanical Driven
Can not regulate and control, it is impossible to meet cold-start phase engine and be rapidly heated, or under big torque, the slow-speed of revolution operating mode radiator module to wind
The demand of amount, so as to be difficult to reach efficiently and accurately each system operating temperatures requirement of balance engineering vehicle.Urgently improve.
The content of the invention
The purpose of this utility model is to provide a kind of engineering truck temperature control system based on double cooling circuit Separated radiating devices
System, solves the above mentioned problem of prior art presence.The utility model radiates according to the radiating requirements reasonable distribution of different heat sources
Device heat-sinking capability, it is ensured that engine system, hydraulic system, transmission system etc. are all the time in respective optimum temperature under minimum power consumption
Operated within range is spent, shortens the warm-up times of engine, system power dissipation is reduced, pollutant discharge amount is reduced, fuel-economy is improved
Property.Hydraulic oil heat exchanger of the present utility model, transmission oil heat exchanger parallel design, it is to avoid flow through the mutual of thermal source coolant
Interference；Using the smaller water-cooled charge air cooler of volume, two air cooling heat radiators of high and low temperature are only existed in total system；ECU leads to
The working condition that control high/low temperature cooling circuit radiating requirements control solenoid directional control valve is crossed, is realized according in two cooling circuits
Each thermal source radiating requirements Auto-matching radiator work(.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions：
Based on the engineering truck temperature control system of double cooling circuit Separated radiating devices, when electronic thermostat 3 is not opened, engine
1 coolant is through electronic thermostat 3, the return engine 1 of high-temperature circuit water pump 6；As the coolant temperature of engine 1 is raised, electronics
Thermostat 3 is opened under ECU7 control, and the first solenoid directional control valve 4, the left position of the second solenoid directional control valve 14 couple with pipeline, start
Machine 1 couples through electronic thermostat 3, the left position of the first solenoid directional control valve 4 with the entrance pipe of additional cooler 13, and additional cooler 13 is passed through
The left position of second solenoid directional control valve 14 couples with the pipeline of high temperature heat sink 5, and pipeline is attached to engine 1 after high-temperature circuit water pump 6
Coolant inlet, high-temperature circuit coolant is once forced heat exchange in additional cooler 13, enters back into high temperature heat sink 5
Carry out secondary pressure heat exchange；Charge air cooler 8 is connected with heat collector 9, hydraulic oil heat exchanger 17 in parallel built in heat collector 9,
Oil heat exchanger 18 is driven, heat collector 9 couples through the left position of the second solenoid directional control valve 14 with the pipeline of low-temperature radiator 15, and coolant is entered
Enter low-temperature radiator 15 to carry out entering collection after pressure heat exchange after low-temperature circuit electric control pump 10, charge air cooler 8 with cooling air
Thermal 9.
When described ECU7 controls the first solenoid directional control valve 4, the right position of the second solenoid directional control valve 14 to couple with pipeline, engine
1 couples through electronic thermostat 3, the right position of the first solenoid directional control valve 4 with the pipeline of high temperature heat sink 5, and high temperature heat sink 5 is through high-temperature circuit
Pipeline couples the coolant inlet of engine 1 after water pump 6, and now the coolant in high-temperature circuit only carries out one in high temperature heat sink 5
Secondary pressure heat exchange；Charge air cooler 8 connected with heat collector 9 after through the right position of the first solenoid directional control valve 4 and the pipeline of supplementary heat exchanger 13
Connection, supplementary heat exchanger 13 is connected behind the right position of the second solenoid directional control valve 14 with low-temperature radiator 15, the cooling in low-temperature circuit
Liquid is once forced heat exchange in supplementary heat exchanger 13, carries out secondary pressure heat exchange in low-temperature radiator 15.
Described ECU7 respectively with high-temperature circuit temperature sensor 2, electronic thermostat 3, the first solenoid directional control valve 4, low temperature
Loop electric control pump 10, motor 11, low-temperature circuit temperature sensor 12, the second solenoid directional control valve 14 are connected, by being arranged on height
High-temperature circuit temperature sensor 2 on temperature loops obtains the coolant real time temperature in high-temperature circuit, is returned by being arranged on low temperature
Low-temperature circuit temperature sensor 12 on road obtains the coolant real time temperature in low-temperature circuit, and according to the temperature signal of acquisition
Control the first solenoid directional control valve 4, the second solenoid directional control valve 14, low-temperature circuit electric control pump 10, motor 11 and connected wind
The working condition of fan 16.
Described charge air cooler 8 is water cooling charge air cooler.
The beneficial effects of the utility model are：
1st, engine is placed in High-temperature cooling loop, and transmission oil heat exchanger, hydraulic oil system heat exchanger and water cooling charge air cooler are put
In coolant cooling circuit, the heat collector of parallel design flow through transmission oil heat exchanger, hydraulic oil heat exchanger coolant it is mutual
Do not disturb, it is to avoid cooling capacity is not enough or sub-cooled problem, improves heat exchange efficiency.
2nd, using the smaller water-cooled charge air cooler of volume, hydraulic oil heat exchanger, transmission oil heat exchanger, heat exchange efficiency is improved
While mitigate radiator module gross weight, reduce and the radiating of two air coolings of high and low temperature only existed in manufacturing cost, total system
Device, arrangement of being more convenient in limited piggyback pod space, and reduce pressure drop of the cold air by radiator group.
3rd, ECU is realized according to each thermal source in two cooling circuits by controlling the working condition of solenoid directional control valve
The function of radiating requirements Auto-matching radiator, T1≥TH,T2≤TLIncrease high temperature in the case where not improving rotation speed of the fan under operating mode
The heat exchange area of loop radiator, improves the utilization ratio of radiator, has reached the purpose of reduction system power dissipation.
4th, the motor rotating speed of cooling fan by ECU according to system radiating demand modeling, solve low engine speeds,
The problem of radiating requirements under big torque operating mode are not enough, T1≤TH,T2≤TLFan does not work under operating mode, shortens the heat of engine
The machine time.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Illustrative example of the present utility model and its illustrate be used for explain the utility model, do not constitute to improper limit of the present utility model
It is fixed.
Fig. 1 is structural representation of the present utility model.
In figure：1st, engine；2nd, high-temperature circuit temperature sensor；3rd, electronic thermostat；4th, the first solenoid directional control valve；5th, it is high
Temperature radiator；6th, high-temperature circuit water pump；7、ECU；8th, charge air cooler；9th, heat collector；10th, low-temperature circuit electric control pump；11st, it is electric
Machine；12nd, low-temperature circuit temperature sensor；13rd, additional cooler；14th, the second solenoid directional control valve；15th, low-temperature radiator；16th, wind
Fan；17th, hydraulic oil heat exchanger；18th, it is driven oil heat exchanger.
Embodiment
Detailed content of the present utility model and its embodiment are further illustrated below in conjunction with the accompanying drawings.
It is shown in Figure 1, the engineering truck temperature control system of the present utility model based on double cooling circuit Separated radiating devices, bag
Include High-temperature cooling loop, coolant cooling circuit, engine 1, heat collector 9, charge air cooler 8, high temperature heat sink 5, low-temperature radiator
15th, additional cooler 13, high-temperature circuit water pump 6, low-temperature circuit electric control pump 10, electronic thermostat 3, fan 16, motor 11,
One solenoid directional control valve 4, the second solenoid directional control valve 14, ECU7, high-temperature circuit temperature sensor 2, low-temperature circuit temperature sensor 12,
When electronic thermostat 3 is not opened, the coolant of engine 1 is through electronic thermostat 3, the return engine 1 of high-temperature circuit water pump 6；With
The coolant temperature of engine 1 is raised, and electronic thermostat 3 is opened under ECU7 control, the first solenoid directional control valve 4, the second electromagnetism
The left position of reversal valve 14 couples with pipeline, and engine 1 is through electronic thermostat 3, the left position of the first solenoid directional control valve 4 and additional cooler 13
Entrance pipe couples, and additional cooler 13 couples through the left position of the second solenoid directional control valve 14 with the pipeline of high temperature heat sink 5, is returned through high temperature
Pipeline is attached to the coolant inlet of engine 1 after road water pump 6, and high-temperature circuit coolant carries out once strong in additional cooler 13
Exchange is heated, high temperature heat sink 5 is entered back into and carries out secondary pressure heat exchange；Charge air cooler 8 is connected with heat collector 9, heat collector 9
Built-in hydraulic oil heat exchanger 17 in parallel, transmission oil heat exchanger 18, heat collector 9 is through the left position of the second solenoid directional control valve 14 and low temperature
The pipeline of radiator 15 couples, and coolant enters low-temperature radiator 15 and carried out with cooling air after pressure heat exchange through low-temperature circuit electricity
Control and enter heat collector 9 after water pump 10, charge air cooler 8.
When described ECU7 controls the first solenoid directional control valve 4, the right position of the second solenoid directional control valve 14 to couple with pipeline, engine
1 couples through electronic thermostat 3, the right position of the first solenoid directional control valve 4 with the pipeline of high temperature heat sink 5, and high temperature heat sink 5 is through high-temperature circuit
Pipeline couples the coolant inlet of engine 1 after water pump 6, and now the coolant in high-temperature circuit only carries out one in high temperature heat sink 5
Secondary pressure heat exchange；Charge air cooler 8 connected with heat collector 9 after through the right position of the first solenoid directional control valve 4 and the pipeline of supplementary heat exchanger 13
Connection, supplementary heat exchanger 13 is connected behind the right position of the second solenoid directional control valve 14 with low-temperature radiator 15, the cooling in low-temperature circuit
Liquid is once forced heat exchange in supplementary heat exchanger 13, carries out secondary pressure heat exchange in low-temperature radiator 15.
Described ECU7 respectively with high-temperature circuit temperature sensor 2, electronic thermostat 3, the first solenoid directional control valve 4, low temperature
Loop electric control pump 10, motor 11, low-temperature circuit temperature sensor 12, the second solenoid directional control valve 14 are connected, by being arranged on height
High-temperature circuit temperature sensor 2 on temperature loops obtains the coolant real time temperature in high-temperature circuit, is returned by being arranged on low temperature
Low-temperature circuit temperature sensor 12 on road obtains the coolant real time temperature in low-temperature circuit, and according to the temperature signal of acquisition
Control the first solenoid directional control valve 4, the second solenoid directional control valve 14, low-temperature circuit electric control pump 10, motor 11 and connected wind
The working condition of fan 16.
Described charge air cooler 8 is water cooling charge air cooler.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for ability
For the technical staff in domain, the utility model can have various modifications and variations.All any modifications made to the utility model,
Equivalent substitution, improvement etc., should be included within protection domain of the present utility model.
Claims (3)
1. a kind of engineering truck temperature control system based on double cooling circuit Separated radiating devices, it is characterised in that：Electronic thermostat（3）
When not opening, engine（1）Coolant is through electronic thermostat（3）, high-temperature circuit water pump（6）Return engine（1）；With starting
Machine（1）Coolant temperature is raised, electronic thermostat（3）In ECU（7）Control under open, the first solenoid directional control valve（4）, second
Solenoid directional control valve（14）Left position couple respectively with pipeline, engine（1）Through electronic thermostat（3）, the first solenoid directional control valve（4）
Left position and additional cooler（13）Entrance pipe couples, additional cooler（13）Through the second solenoid directional control valve（14）Left position and high temperature
Radiator（5）Pipeline couples, through high-temperature circuit water pump（6）Pipeline is attached to engine afterwards（1）Coolant inlet, high-temperature circuit is cold
But liquid is in additional cooler（13）It is interior once to be forced heat exchange, enter back into high temperature heat sink（5）Secondary pressure heat is carried out to hand over
Change；Charge air cooler（8）With heat collector（9）Series connection, heat collector（9）Built-in hydraulic oil heat exchanger in parallel（17）, transmission oil changes
Hot device（18）, heat collector（9）Through the second solenoid directional control valve（14）Left position and low-temperature radiator（15）Pipeline couples, and coolant is entered
Enter low-temperature radiator（15）Carried out with cooling air after pressure heat exchange through low-temperature circuit electric control pump（10）, charge air cooler（8）Afterwards
Into heat collector（9）.
2. the engineering truck temperature control system according to claim 1 based on double cooling circuit Separated radiating devices, its feature exists
In：Described ECU（7）Control the first solenoid directional control valve（4）, the second solenoid directional control valve（14）When right position couples with pipeline, start
Machine（1）Through electronic thermostat（3）, the first solenoid directional control valve（4）Right position and high temperature heat sink（5）Pipeline couples, high temperature heat sink
（5）Through high-temperature circuit water pump（6）Pipeline couples engine afterwards（1）Coolant inlet, now the coolant in high-temperature circuit only exist
High temperature heat sink（5）Once forced heat exchange；Charge air cooler（8）With heat collector（9）Through the first solenoid directional control valve after series connection
（4）Right position and supplementary heat exchanger（13）Pipeline couples, supplementary heat exchanger（13）Through the second solenoid directional control valve（14）Behind right position with it is low
Temperature radiator（15）Coolant in series connection, low-temperature circuit is in supplementary heat exchanger（13）Carry out once pressure heat exchange, in low temperature
Radiator（15）Carry out secondary pressure heat exchange.
3. the engineering truck temperature control system according to claim 1 based on double cooling circuit Separated radiating devices, its feature exists
In：Described ECU（7）Respectively with high-temperature circuit temperature sensor（2）, electronic thermostat（3）, the first solenoid directional control valve（4）, it is low
Temperature loops electric control pump（10）, motor（11）, low-temperature circuit temperature sensor（12）, the second solenoid directional control valve（14）Connection, leads to
Cross the high-temperature circuit temperature sensor being arranged in high-temperature circuit（2）The coolant real time temperature in high-temperature circuit is obtained, is passed through
It is arranged on the low-temperature circuit temperature sensor on low-temperature circuit（12）Coolant real time temperature in acquisition low-temperature circuit, and according to
The temperature signal of acquisition controls the first solenoid directional control valve（4）, the second solenoid directional control valve（14）, low-temperature circuit electric control pump（10）、
Motor（11）And connected fan（16）Working condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013467.9U CN206346821U (en) | 2017-01-06 | 2017-01-06 | Engineering truck temperature control system based on double cooling circuit Separated radiating devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013467.9U CN206346821U (en) | 2017-01-06 | 2017-01-06 | Engineering truck temperature control system based on double cooling circuit Separated radiating devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346821U true CN206346821U (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720013467.9U Expired - Fee Related CN206346821U (en) | 2017-01-06 | 2017-01-06 | Engineering truck temperature control system based on double cooling circuit Separated radiating devices |
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| Country | Link |
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| CN (1) | CN206346821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703967A (en) * | 2017-01-06 | 2017-05-24 | 吉林大学 | Engineering vehicle temperature control system and method based on double-cooling loop split radiator |
-
2017
- 2017-01-06 CN CN201720013467.9U patent/CN206346821U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703967A (en) * | 2017-01-06 | 2017-05-24 | 吉林大学 | Engineering vehicle temperature control system and method based on double-cooling loop split radiator |
| CN106703967B (en) * | 2017-01-06 | 2022-10-28 | 吉林大学 | Engineering vehicle temperature control system and method based on double-cooling-loop split radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20200106 |