CN205714394U - novel hybrid power assembly cooling system - Google Patents

novel hybrid power assembly cooling system Download PDF

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Publication number
CN205714394U
CN205714394U CN201620384315.5U CN201620384315U CN205714394U CN 205714394 U CN205714394 U CN 205714394U CN 201620384315 U CN201620384315 U CN 201620384315U CN 205714394 U CN205714394 U CN 205714394U
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cooling system
electromotor
temperature sensor
motor
fan
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CN201620384315.5U
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Chinese (zh)
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刘建卫
田莹
耿丽珍
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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  • Motor Or Generator Cooling System (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

This utility model relates to novel hybrid power assembly cooling system, belongs to the cooling technology field of electromotor.Which solve cooling effectiveness that prior art exists low and cannot be integrated etc. defect.This utility model includes that engine-cooling system and electromotor cooling system, engine-cooling system and electromotor cooling system are parallel with one another;Engine-cooling system includes that the electromotor, water pump I, radiator I, oil radiator I, variable displacement motor and the fan I and HCU that are sequentially connected cool down control module I, and electromotor cooling system includes motor, electric machine controller, water pump II, radiator II, oil radiator II and variable displacement motor and the fan II being sequentially connected.This utility model utilizes hydraulic fan rotating speed to be determined by cooling requirement, it is not necessary to the advantage being limited to engine speed so that electromotor cooling system and engine-cooling system obtain preferable temperature and control, and hydraulic fan can be independently installed, it is easy to arrange;The cooling occasion of electromotor can be widely used in.

Description

Novel hybrid power assembly cooling system
Technical field
This utility model relates to novel hybrid power assembly cooling system, belongs to the cooling technology field of electromotor.
Background technology
In recent years, along with the minimizing of oil reserve, the aggravation of problem of environmental pollution, and government, fuel consumption and emission is wanted The raising asked, the hybrid vehicle of energy-saving and environmental protection is increasingly subject to welcome.Compared with orthodox car, hybrid vehicle increases Motor, electric machine controller, electrokinetic cell etc. have the parts of cooling requirement.But, due to motor, electrokinetic cell and start The cooling of machine requires difference, it is impossible to shares a set of cooling system, causes the space requirement adding automobile so that arrangement is more Add difficulty.
Utility model content
The purpose of this utility model is the drawbacks described above overcoming existing motor vehicle driven by mixed power to exist, it is proposed that a kind of novel mixing Power assembly cooling system, utilizes hydraulic fan rotating speed to be determined by cooling requirement, it is not necessary to the advantage being limited to engine speed, makes Obtain electromotor cooling system and obtain the control of preferable temperature with engine-cooling system, and hydraulic fan can be independently installed, it is easy to arrange.
This utility model is to use following utility model to realize: a kind of novel hybrid power assembly cooling system, including sending out Motivation cooling system and electromotor cooling system, engine-cooling system and electromotor cooling system are parallel with one another;Engine-cooling system Including the cooling control of the electromotor being sequentially connected, water pump I, radiator I, oil radiator I, variable displacement motor and fan I and HCU Module I processed, engine-cooling system also includes HCU cooling control module I, temperature sensor I and oil temperature sensor I, HCU Cooling control module I is connected with variable displacement motor and fan I, temperature sensor I and oil temperature sensor I respectively;Motor cooling system System includes motor, electric machine controller, water pump II, radiator II, oil radiator II and variable displacement motor and the fan II being sequentially connected, Electromotor cooling system also includes that HCU cools down control module II, oil temperature sensor II, temperature sensor II, temperature sensor III and Temperature sensor IV, HCU cooling control module II respectively with variable displacement motor and fan II, oil temperature sensor II, temperature sensor II, temperature sensor III is connected with temperature sensor IV.
Further, temperature sensor I is positioned at the outlet of electromotor;Oil temperature sensor I is positioned at variable displacement motor and fan I Around.
Further, variable displacement motor and the fan I rotating speed by the swash plate pivot angle regulation fan I of regulated variable motor I.
Further, oil temperature sensor II is positioned at the outlet of electric machine controller;Temperature sensor II, temperature sensor III and temperature Degree sensor IV is positioned at around variable displacement motor and fan II.
Further, electric machine controller inlet temperature is less than 60 DEG C;Motor inlet temperature is less than 65 DEG C.
Further, assembly cooling system includes motor drive mode, engine drive mode, online charge mode, jointly drives Dynamic model formula and braking mode.
Further, under motor drive mode, electromotor keeps idling, and dosing pump is installed on electromotor.
Further, under engine drive mode, engine misses, dosing pump is installed on the rear power taking end of change speed gear box.
The beneficial effects of the utility model are:
(1) novel hybrid power assembly cooling system described in the utility model, by HCU to coolant temperature and fan The collection of system oil temperature and analysis, thus control hydraulic motor displacement, it is achieved hydraulic motor rotary speed by coolant temperature control, Ensure that electromotor, motor, electric machine controller run at a suitable temperature;
(2) novel hybrid power assembly cooling system described in the utility model, hydraulic fan rotating speed is not necessarily limited by electromotor Rotating speed, can regulate with coolant temperature, it is ensured that electromotor has higher cooling power at the low rotational speed;
(3) novel hybrid power assembly cooling system described in the utility model, the hydraulic pump of employing can be from electromotor or speed change Power taking on case, meets different motor vehicle driven by mixed power integrated vehicle control tactics and mode of operation demand, simple easily realization;
(4) novel hybrid power assembly cooling system described in the utility model, the hydraulic fan of employing, hydraulic motor module Compact conformation, position is not necessarily limited by electromotor, it is easy to arrangement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 electromotor, 2 clutches, 3 motors, 4 change speed gear boxes, 5 electric machine controllers, 6 dosing pumps, 7 radiators I, 8 oil radiators I, 9 variable displacement motors and fan I, 10 water pump I, 11 temperature sensors I, 12 oil temperature sensors I, 13 dissipate Hot device II, 14 oil radiators II, 15 variable displacement motors and fan II, 16 water pump II, 17 oil temperature sensors II, 18 temperature sensing Device II, 19 temperature sensors III, 20 temperature sensors IV, 21 fuel tanks, 22 control valve blocks, 23HCU cools down control module I, 24HCU cools down control module II.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
This utility model includes that engine-cooling system and electromotor cooling system, engine-cooling system and electromotor cooling system are mutual In parallel;Engine-cooling system includes the electromotor 1 being sequentially connected, water pump I 10, radiator I 7, oil radiator I 8, becomes Amount motor and fan I 9 and HCU cool down control module I 23, engine-cooling system also include HCU cooling control module I 23, Temperature sensor I 11 and oil temperature sensor I 12, HCU cooling control module I 23 respectively with variable displacement motor and fan I 9, temperature Degree sensor I 11 is connected with oil temperature sensor I 12;Motor 3 that electromotor cooling system includes being sequentially connected, electric machine controller 5, Water pump II 16, radiator II 13, oil radiator II 14 and variable displacement motor and fan II 15, electromotor cooling system also includes that HCU is cold But control module II 24, oil temperature sensor II 17, temperature sensor II 18, temperature sensor III 19 and temperature sensor IV 20, HCU cooling control module II 24 respectively with variable displacement motor and fan II 15, oil temperature sensor II 17, temperature sensor II 18, temperature Degree sensor III 19 is connected with temperature sensor IV 20.
Temperature sensor I 11 is positioned at the outlet of electromotor 1;Oil temperature sensor I 12 is positioned at variable displacement motor and the week of fan I 9 Enclose.Variable displacement motor and the fan I 9 rotating speed by the swash plate pivot angle regulation fan I of regulated variable motor I.Oil temperature sensor II 17 outlets being positioned at electric machine controller 5;Temperature sensor II 18, temperature sensor III 19 and temperature sensor IV 20 are positioned at Around variable displacement motor and fan II 15.Electric machine controller 5 inlet temperature is less than 60 DEG C;Motor 3 inlet temperature is less than 65 DEG C. Dosing pump 6 is installed on electromotor 1 or is installed on the rear power taking end of change speed gear box 4.Assembly cooling system includes that motor drives mould Formula, engine drive mode, online charge mode, common drive pattern and braking mode.
Set forth herein a kind of novel hybrid power assembly cooling scheme, drive cooling system to be applied to hybrid power hydraulic fan In the cooling of vehicle, the advantage utilizing hydraulic fan rotating speed infinitely variable speeds so that electromotor cooling system obtains with engine-cooling system Control to preferable temperature, it is ensured that motor 3, electric machine controller 5, electromotor 1 are operated in normal range of operation, systematic schematic diagram As shown in Figure 1.
This cooling scheme is broadly divided into two parts, and a part is engine-cooling system, major function be cooling electromotor 1 and Lubricating system, air conditioning system.HCU cooling control module I 23 collection temperature sensor I 11 and oil temperature sensor I 12 transmit Electromotor 1 outlet temperature and fan I oil temperature, by sending control instruction to variable displacement motor I after analyzing, pass through regulated variable The rotating speed of the swash plate pivot angle regulation fan I of motor I, which achieves the rotating speed of fan I by the medium temperature control that is cooled, and Unrelated with electromotor 1 rotating speed.
Another part is electromotor cooling system, and major function is the cooling electrical equipment such as motor 3, electric machine controller 5.HCU cools down Control module II 24 collects oil temperature sensor II 17 and temperature sensor II 18, temperature sensor III 19, temperature sensor IV 20 Fan II oil temperature of transmission and motor 3, electric machine controller 5 intake-outlet temperature, by sending control instruction to variable after analyzing Motor II, regulates the rotating speed of fan II so that electric machine controller 5 and motor 3 are cold by the swash plate pivot angle of regulated variable motor II But coolant-temperature gage is maintained at the temperature range of requirement, and general electric machine controller 5 inlet temperature is less than 60 DEG C, motor 3 inlet temperature Less than 65 DEG C.
In this motor vehicle driven by mixed power, two set cooling systems share hydraulic pump, namely dosing pump 6.This dosing pump 6 is according to whole The control side rate demand of car can be installed on electromotor 1 or the rear power taking end of change speed gear box 4.Such as electricity pure in integrated vehicle control tactics Under dynamic model formula, electromotor 1 keeps idling, dosing pump 6 can be directly mounted on electromotor 1;If under electric-only mode, start Machine 1 stops working, then need to be installed on by hydraulic pump on the rear power taking end of change speed gear box 4.
According to the difference of motor vehicle driven by mixed power mode of operation, HCU judge whether engine-cooling system, electromotor cooling system open With, or two set cooling systems enable simultaneously, realize enabling of each cooling system by control valve block 22.When electromotor 1 or When motor 3 works independently, HCU send instructions to control valve block 22, close idle hydraulic circuit, unnecessary hydraulic oil By control valve block 22 oil sump tank 21.
Core of the present utility model is: electromotor 1 and motor 3 system respectively use a set of hydraulic cooling system, according to cooling system The radiating requirements of system regulates hydraulic motor displacement, thus regulates hydraulic fan rotating speed, meet electromotor 1 in motor vehicle driven by mixed power, Motor 3, the cooling problem of electric machine controller 5.Hydraulic fan rotating speed is by the medium temperature control that is cooled, it is not necessary to be limited to start Machine 1 rotating speed, and hydraulic fan can be independently installed, it is easy to arrange.
It should be understood that 1, in this utility model electromotor cooling system can be simultaneously used for cooling down DC/DC transducer, DC/AC inverse Become other electrical equipments needing cooling on the motor vehicle driven by mixed powers such as device;2, dosing pump 6+ variable displacement motor combination in this utility model Can be realized by dosing pump 6+ proportional pressure control valve+fixed displacement motor combination, variable pump+proportional flow control valve+fixed displacement motor combination.
In parallel type hybrid power assembly, according to the difference of driving cycle, electromotor 1 and motor 3 can be separately to cars Drive system provides moment of torsion, it is possible to jointly drive vehicle, mainly has following five mode of operations:
Motor drive mode: vehicle start and when running at a low speed, electromotor 1 is in flame-out or idling operation, motor 3 provide The power of vehicle start, eliminates electromotor 1 starting and accelerates black smoke, and emission reduction effect is obvious;
Engine drive mode: vehicle travels after reaching certain speed, and motor 3 towing astern starts electromotor 1, electromotor 1 carry For vehicle drive force;
Online charge mode: if the power that electromotor 1 provides is more than travelling power demand, then power more than needed is used for driving motor 3 give power battery charging;
Common drive pattern: under vehicle accelerating mode, the power that electromotor 1 provides cannot meet road horsepower demand, then by electricity Machine 3 provides dump power;
Braking mode: during vehicle deceleration braking, electromotor 1 stops working or idling, and wheel drive motor 3 runs on generating mould Formula, to power battery charging, saves the energy and reduces the abrasion of brake block.
Certainly, foregoing is only preferred embodiment of the present utility model, it is impossible to be considered for limiting reality of the present utility model Execute example scope.This utility model is also not limited to the example above, and those skilled in the art are of the present utility model Impartial change and the improvement etc. made in essential scope, all should belong in patent covering scope of the present utility model.

Claims (8)

1. a novel hybrid power assembly cooling system, it is characterised in that: include engine-cooling system and motor cooling system System, engine-cooling system and electromotor cooling system are parallel with one another;Electromotor (1) that engine-cooling system includes being sequentially connected, Water pump I (10), radiator I (7), oil radiator I (8), variable displacement motor and fan I (9) and HCU cooling control mould Block I (23), engine-cooling system also includes HCU cooling control module I (23), temperature sensor I (11) and oil temperature Sensor I (12), HCU cooling control module I (23) respectively with variable displacement motor and fan I (9), temperature sensor I (11) It is connected with oil temperature sensor I (12);Motor (3) that electromotor cooling system includes being sequentially connected, electric machine controller (5), water Pump II (16), radiator II (13), oil radiator II (14) and variable displacement motor and fan II (15), electromotor cooling system is also Control module II (24), oil temperature sensor II (17), temperature sensor II (18), temperature sensor III (19) is cooled down including HCU With temperature sensor IV (20), HCU cooling control module II (24) passes with variable displacement motor and fan II (15), oil temperature respectively Sensor II (17), temperature sensor II (18), temperature sensor III (19) are connected with temperature sensor IV (20).
Novel hybrid power assembly cooling system the most according to claim 1, it is characterised in that: temperature sensor I (11) It is positioned at the outlet of electromotor (1);Oil temperature sensor I (12) is positioned at variable displacement motor and fan I (9) around.
Novel hybrid power assembly cooling system the most according to claim 1, it is characterised in that: variable displacement motor and fan I (9) by the rotating speed of the swash plate pivot angle regulation fan I of regulated variable motor I.
Novel hybrid power assembly cooling system the most according to claim 1, it is characterised in that: oil temperature sensor II (17) It is positioned at the outlet of electric machine controller (5);Temperature sensor II (18), temperature sensor III (19) and temperature sensor IV (20) it is positioned at around variable displacement motor and fan II (15).
Novel hybrid power assembly cooling system the most according to claim 1, it is characterised in that: electric machine controller (5) Inlet temperature is less than 60 DEG C;Motor (3) inlet temperature is less than 65 DEG C.
Novel hybrid power assembly cooling system the most according to claim 1, it is characterised in that: assembly cooling system bag Include motor drive mode, engine drive mode, online charge mode, common drive pattern and braking mode.
Novel hybrid power assembly cooling system the most according to claim 6, it is characterised in that: under motor drive mode, Electromotor (1) keeps idling, and dosing pump (6) is installed on electromotor (1).
Novel hybrid power assembly cooling system the most according to claim 6, it is characterised in that: engine drive mode Under, electromotor (1) stops working, and dosing pump (6) is installed on the rear power taking end of change speed gear box (4).
CN201620384315.5U 2016-04-29 2016-04-29 novel hybrid power assembly cooling system Active CN205714394U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108301911A (en) * 2018-03-07 2018-07-20 徐州徐工矿山机械有限公司 Articulated truck dynamical system intelligent control cooling system and its control method
CN110509765A (en) * 2019-08-15 2019-11-29 哈尔滨北方防务装备股份有限公司 Binodal creeper truck power assembly integrated form cooling system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108301911A (en) * 2018-03-07 2018-07-20 徐州徐工矿山机械有限公司 Articulated truck dynamical system intelligent control cooling system and its control method
CN110509765A (en) * 2019-08-15 2019-11-29 哈尔滨北方防务装备股份有限公司 Binodal creeper truck power assembly integrated form cooling system
CN110509765B (en) * 2019-08-15 2022-09-23 哈尔滨北方防务装备股份有限公司 Integrated cooling system for power assembly of double-section crawler

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