CN209067399U - A kind of external heat management circulating pipeline structure of engine and speed changer - Google Patents
A kind of external heat management circulating pipeline structure of engine and speed changer Download PDFInfo
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- CN209067399U CN209067399U CN201821867911.4U CN201821867911U CN209067399U CN 209067399 U CN209067399 U CN 209067399U CN 201821867911 U CN201821867911 U CN 201821867911U CN 209067399 U CN209067399 U CN 209067399U
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Abstract
The utility model relates to a kind of engine and the external heat management circulating pipeline structures of speed changer, including engine, HVAC core, speed changer and oil cooler, it is characterized in that: the HVAC water inlet pipe of the HVAC core is communicated through thermostat valve with the connection of the water outlet of engine, the HVAC outlet pipe of the HVAC core is connect with the water inlet of the oil cooler of the speed changer to be communicated；The cold outlet pipe of oil of the oil cooler is connect with the water inflow of the engine pipe of the engine to be communicated；The oil inlet pipe of the oil cooler connect with the oil outlet of the speed changer and communicates, and the flowline of the oil cooler connect with the speed changer oil inlet and communicates.The utility model can make at low ambient temperatures engine and speed changer rapidly reach optimum working temperature, meet the cold start emission requirement of high standard；Transmission efficiency can be improved and improve the heating rate of Heating,Ventilating and Air Conditioning.
Description
Technical field
The utility model relates to automobile engines, and in particular to the external heat management circulation pipe of a kind of engine and speed changer
Line structure.
Background technique
Engine thermal management system design scheme directly affect vehicle economy, oil consumption, discharge, Heating,Ventilating and Air Conditioning comfort and
The reliability of lubricating system.This requires heat management systems while guaranteeing heat dissipation performance engine and the equal energy of derailleur body
It is enough rapidly heated and reaches optimum working temperature.The common engine HVAC water inlet pipe that is designed as is directly connected to warm up without thermostat valve
Obturator body, then return engine.Engine flows through HVAC core and starts the cycle over once starting, engine coolant, at this time
The temperature of the ontology of engine does not rise also, and engine generates heat and taken away by Heating,Ventilating and Air Conditioning, is unfavorable for the fast of engine body
Speed heating, influences the performances such as oil consumption, the discharge of engine, also has an adverse effect to oil dilution, lubricating oil emulsion, and HVAC is empty
Tonality can be also bad.The water of transmission oil cooler recycles usually after engine systemic circulation, is integrated in inside engine radiator,
I.e. engine thermolator does not participate in heat exchange with speed changer machine oil before opening, only when gearbox oil temperature is higher to transmission oil
Play cooling, to the speed changer machine oil under low-temperature condition without heat effect, speed changer engine oil viscosity is high at this time, resistance is big,
Variator low efficiency.Therefore, it is necessary to be improved.
" a kind of thermal management algorithm of the integrated heat management system in vehicle " disclosed in CN 102815202A.The collection
Accepted way of doing sth heat management system may include the speed changer around the engine system circulation line of engine and around automatic transmission
Pipeloop.The engine system circulation line and the transmission circulation line can by with multiple input ports and
The control valve of output port is integrated.The integrated heat management system is started according to what can be changed after engine start-up
The temperature of machine cooling water temperature and automatic transmission fluids (ATF) and the opening and closing of the control valve are controlled, and
And the various modes implemented for changing engine cool water flow.Therefore, the integrated heat management system structure shortens hair
Motivation preheating time, it is therefore prevented that the ill effect occurred under low-temperature condition due to being rapidly heated for ATF, and meet vehicle
The performance that fuel efficiency can be improved under soaring oil prices environment and efficiency can be promoted needed for.
Unquestionably, above-mentioned patented technology is a kind of good try of technical field.
Summary of the invention
The purpose of the utility model is to provide a kind of engine and the external heat management circulating pipeline structure of speed changer, energy
Enough that engine and speed changer is made to rapidly reach optimum working temperature at low ambient temperatures, the cold start emission for meeting high standard is wanted
It asks；Transmission efficiency can be improved and improve the heating rate of Heating,Ventilating and Air Conditioning.
The external heat management circulating pipeline structure of a kind of engine and speed changer described in the utility model, including start
Machine, HVAC core, speed changer and oil cooler, it is characterized in that:
The HVAC water inlet pipe of the HVAC core is communicated through thermostat valve with the connection of the water outlet of engine, the HVAC core
HVAC outlet pipe connect and communicate with the water inlet of the oil cooler of the speed changer；The cold outlet pipe of oil of the oil cooler with it is described
The water inflow of the engine pipe connection of engine communicates；
The oil inlet pipe of the oil cooler connect with the oil outlet of the speed changer and communicates, the flowline of the oil cooler and institute
The connection of speed changer oil inlet is stated to communicate.
Further, a three-way connection, the threeway are installed before the connecting portion of the HVAC outlet pipe and oil cooler
The first end of connector is connect with HVAC outlet pipe, second end is connected with oil cooler, third end connect with water inflow of the engine pipe and communicates,
And a by-passing valve is set between third end and water inflow of the engine pipe.
Compared with the prior art, the utility model has the following advantages:
Due to being provided with thermostat valve on HVAC water inlet pipe, the thermostat valve is made to be equivalent to the section temperature of engine-cooling system
Device, it can be ensured that water temperature is closed at 50 DEG C or less；When engine just starts, it can start under extremely cold environmental condition in this way
The heat of machine ontology is not taken away by the external world, and reaching makes engine be rapidly heated.
Due to the oil cooler of the HVAC outlet pipe access speed changer of HVAC core, after thermostat valve can be allowed to open in this way, hair
Motivation coolant liquid and speed changer machine oil carry out heat exchange in the oil cooler of speed changer, so that the machine oil of speed changer is rapidly heated and reach
The temperature rationally to work, to improve the transmission efficiency of speed changer.
Due to increasing by-passing valve before the oil cooler of HVAC outlet pipe connection speed changer, by-passing valve be connected to engine into
Water pipe is returned directly to a part of coolant liquid in engine；When engine water temperature just rises at low ambient temperatures in this way, evade
Excessive heat is taken away by the machine oil of speed changer, and influences the heating rate of engine and the heating effect of Heating,Ventilating and Air Conditioning.
The utility model is tested by heating test, gearbox oil temperature, is all satisfied requirement, at the same to complete-vehicle oil consumption, cold open
Dynamic discharge, the oil dilution under low temperature environment and lubricating oil emulsion problem have preferable improvement to act on.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- engine, 2- HVAC water inlet pipe, 3- thermostat valve, 4- HVAC core, 5- HVAC outlet pipe, 6- speed changer,
7- water inflow of the engine pipe, 8- by-passing valve, the cold outlet pipe of 9- oil, 10- oil cooler, 11- flowline, 12- oil inlet pipe.
Specific embodiment
Below by conjunction with attached drawing, the utility model is elaborated.
The external heat management circulating pipeline structure of shown in Figure 1 a kind of engine and speed changer, including engine 1,
HVAC core 4, speed changer 6 and oil cooler 10, it is characterized in that:
The HVAC water inlet pipe 2 of the HVAC core 4, which is connect through thermostat valve 3 with the water outlet of engine 1, to be communicated, the HVAC
The HVAC outlet pipe 5 of core 4 connect with the water inlet of the oil cooler 10 of the speed changer 6 and communicates；The oil of the oil cooler 10 is cold
Outlet pipe 9 connect with the water inflow of the engine pipe 7 of the engine 1 and communicates；
Thermostat valve is set in HVAC water inlet pipe, which is equivalent to the thermostat of engine-cooling system, it can be ensured that
Water temperature is closed below 50；In this way can be under extremely cold environmental condition, when engine just starts, the heat of engine body is not
It is taken away by the external world, reaching makes engine be rapidly heated.The opening temperature of thermostat valve can be set according to demand and flexibly.
The oil inlet pipe 12 of the oil cooler 10 connect with the oil outlet of the speed changer 6 and communicates, and the oil cooler 10 goes out
Oil pipe 11 connect with 6 oil inlet of speed changer and communicates.
The oil cooler of the HVAC outlet pipe access speed changer of HVAC core is started after thermostat valve can be allowed to open in this way
Machine coolant liquid and speed changer machine oil carry out heat exchange in the oil cooler of speed changer, so that the machine oil of speed changer is rapidly heated and reach conjunction
The temperature that science and engineering is made, to improve the transmission efficiency of speed changer.
A three-way connection, the three-way connection are installed before the connecting portion of the HVAC outlet pipe 5 and oil cooler 10
First end connect with HVAC outlet pipe 5, second end and oil cooler 10 connect, third end connect with water inflow of the engine pipe 7 and communicates,
And a by-passing valve 8 is set between third end and water inflow of the engine pipe.
The purpose designed in this way is when making engine engine water temperature just rising at low ambient temperatures, to evade excessive heat
It is taken away by the machine oil of speed changer, and influences the heating rate of engine and the heating effect of Heating,Ventilating and Air Conditioning.
The opening and closing logic of by-passing valve flexibly controls (such as: vehicle ring according to environment temperature, engine water temperature information where vehicle
Border temperature is lower than -10 DEG C, and engine water temperature is lower than 85 DEG C, then by-passing valve is kept it turning on, and by-passing valve keeps closing under the conditions of remaining
It closes).
Claims (2)
1. the external heat management circulating pipeline structure of a kind of engine and speed changer, including engine (1), HVAC core (4), change
Fast device (6) and oil cooler (10), it is characterized in that:
The HVAC water inlet pipe (2) of the HVAC core (4), which is connect through thermostat valve (3) with the water outlet of engine (1), to be communicated, described
The water inlet of the oil cooler (10) of the HVAC outlet pipe (5) and the speed changer (6) of HVAC core (4), which is connect, to be communicated；The oil
The cold outlet pipe (9) of oil of cooler (10) connect with the water inflow of the engine pipe (7) of the engine (1) to be communicated；
The oil inlet pipe (12) of the oil cooler (10) is connect with the oil outlet of the speed changer (6) to be communicated, the oil cooler (10)
Flowline (11) connect and communicate with the speed changer (6) oil inlet.
2. the external heat management circulating pipeline structure of engine according to claim 1 and speed changer, it is characterized in that: in institute
A three-way connection, the first end of the three-way connection are installed before stating the connecting portion of HVAC outlet pipe (5) and oil cooler (10)
Connect with HVAC outlet pipe (5), second end and oil cooler (10) connect, third end connect with water inflow of the engine pipe (7) and communicates, and
One by-passing valve (8) are set between third end and water inflow of the engine pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867911.4U CN209067399U (en) | 2018-11-14 | 2018-11-14 | A kind of external heat management circulating pipeline structure of engine and speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867911.4U CN209067399U (en) | 2018-11-14 | 2018-11-14 | A kind of external heat management circulating pipeline structure of engine and speed changer |
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| CN209067399U true CN209067399U (en) | 2019-07-05 |
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| CN201821867911.4U Active CN209067399U (en) | 2018-11-14 | 2018-11-14 | A kind of external heat management circulating pipeline structure of engine and speed changer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259562A (en) * | 2019-07-24 | 2019-09-20 | 海马汽车有限公司 | Power assembly system and vehicle |
-
2018
- 2018-11-14 CN CN201821867911.4U patent/CN209067399U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259562A (en) * | 2019-07-24 | 2019-09-20 | 海马汽车有限公司 | Power assembly system and vehicle |
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