CN103522892A - Vehicle heat dissipation system and heat dissipation control method - Google Patents
Vehicle heat dissipation system and heat dissipation control method Download PDFInfo
- Publication number
- CN103522892A CN103522892A CN201310484560.4A CN201310484560A CN103522892A CN 103522892 A CN103522892 A CN 103522892A CN 201310484560 A CN201310484560 A CN 201310484560A CN 103522892 A CN103522892 A CN 103522892A
- Authority
- CN
- China
- Prior art keywords
- controller
- heat
- radiator
- motor
- heat radiation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention provides a vehicle heat dissipation system and a heat dissipation control method. According to the vehicle heat dissipation system, a master controller is connected with a relay, the master controller is connected with a motor cooling fan set, the relay is connected with two heat dissipation water pumps, and is connected with a controller cooling fan set, A first radiator is connected with the first heat dissipation water pump, a generator and a motor through heat dissipation guide pipes to form a first heat dissipation loop, a second radiator is connected with the second heat dissipation water pump, a generator controller and a motor controller through heat dissipation guide pipes to form a second heat dissipation loop. Due to the facts that two different heat dissipation loops are arranged for the motor/the generator and the motor controller/the generator controller respectively, the temperature of coolant of the first heat dissipation loop is controlled to meet the requirement for normal operation of the motor/the generator, the temperature of coolant of the second heat dissipation loop is controlled to meet the requirement for normal operation of the motor controller/the generator controller, and the temperatures of the heat dissipation loops are controlled independently, heat dissipation control is easy, and the structure of a heat dissipation component is simplified.
Description
Technical field
The present invention relates to vehicle control technology field, particularly relate to a kind of vehicle cooling system and cooling control method.
Background technology
Along with social progress and the development of public transport, new energy vehicle replaces regular fuel vehicle gradually becomes current people one of the selected vehicle of going on a journey.In new energy vehicle, applied the electrical installation parts such as motor/generator, electric machine controller/engine controller, the excess Temperature of working part temperature can affect the service life of drive ability and each electrical installation parts of new energy vehicle.In order to guarantee that the temperature of each electrical installation parts remains in the range of temperatures of nominal operation, for different electrical installation parts, be provided with thermal component, main by the on off control to the control of radiating fan rotation speed and heat radiation water pump, meet each electrical installation parts of new energy vehicle demand to heat radiation under the different operating modes of vehicle.Therefore, in new energy vehicle, the radiating management method of thermal component and the arrangement in vehicle thereof are very important to the normal operation of vehicle.
At present, the thermal component for electric system setting mainly adopts tandem water-cooling heat radiating system.Refrigerant fluid flows out from heat radiation water pump, dispels the heat first to electric machine controller and engine controller, then flow through motor and electrical generator, dispels the heat to motor and electrical generator.Because electric machine controller and engine controller are under rating horsepower, temperature should remain on about 45 ℃; Motor and electrical generator are under rating horsepower, temperature should remain on about 90 ℃, the work temperature difference between motor/generator and electric machine controller/engine controller is larger, a plurality of water temperature information acquisition devices need to be set in the heat-radiation loop of motor/generator and electric machine controller/engine controller, in in-line water-cooling heat radiating system, accurately control respectively the temperature of Inlet and outlet water in motor/generator and electric machine controller/engine controller loop, cause radiating control difficulty large.
Summary of the invention
In view of this, the invention provides a kind of vehicle cooling system and cooling control method, two different heat-radiation loops are set respectively to motor/generator and electric machine controller/engine controller, reduce electric system radiating control difficulty.
A cooling system, described system comprises:
Primary controller, relay, two radiatores, two heat radiation water pumps, motor radiating fan group and controller radiator fan group, electrical generator and motor, engine controller and electric machine controller;
Described primary controller is connected respectively with described relay and described motor radiating fan group, described relay is connected with two heat radiation water pumps and described controller radiator fan group, the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit, and the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit;
Described primary controller sends the first control signal to described relay, and described the first control signal is for controlling the start and stop of two heat radiation water pumps and controller radiator fan group;
Described primary controller sends the second control signal to described motor radiating fan group, and described the second control signal is for controlling the mode of operation of described motor radiating fan group under different operating modes;
Described relay, for receiving the first control signal of described primary controller, is controlled the start and stop of two heat radiation water pumps and controller radiator fan group according to described the first control signal;
Described the first radiator is for the refrigerant fluid of cooling output the first heat-radiation loop;
Refrigerant fluid after the first radiator is cooling when described the first heat radiation water pump is used for starting exports described electrical generator and motor to;
Described the second radiator is for exporting the refrigerant fluid of the second heat-radiation loop;
Described the second heat radiation water pump exports the refrigerant fluid of the second radiator output to described engine controller and electric machine controller while being used for starting;
Described motor radiating fan group is for dispelling the heat to the first radiator;
Described controller radiator fan group is for dispelling the heat to the second radiator.
Optionally,
Described motor radiating fan group is two fans of close the first radiator in engine cooling fan group, and described engine cooling fan group is for dispelling the heat to described driving engine.
Optionally, described the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit and comprise:
The first radiator, the first heat radiation water pump, electrical generator and motor are connected and are formed the first heat-radiation loop by heat radiation conduit successively;
Or,
The first radiator, the first heat radiation water pump, motor and electrical generator are connected and are formed the first heat-radiation loop by heat radiation conduit successively.
Optionally, described the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit and comprise:
After electrical generator and motor parallel, form the first heat-radiation loop with the first radiator and the first water of radiation series connection of pumps successively.
Optionally, described the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit and comprise:
The second radiator, the second heat radiation water pump, engine controller and electric machine controller are connected and are formed the second heat-radiation loop by heat radiation conduit successively;
Or,
The second radiator, the second heat radiation water pump, electric machine controller and engine controller are connected and are formed the second heat-radiation loop by heat radiation conduit successively.
Optionally, described the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit and comprise:
After electric machine controller and engine controller parallel connection, form the second heat-radiation loop with the second radiator and the second water of radiation series connection of pumps successively.
Optionally, described system also comprises:
Two temperature sensors, the first temperature sensor is connected with engine controller, and the second temperature sensor is connected with electric machine controller, and described engine controller is connected with described primary controller by CAN network with electric machine controller;
The first temperature sensor sends to engine controller for gathering the generator-temperature detection information of electrical generator, so that engine controller sends to described primary controller by CAN network by generator-temperature detection information and engine controller temperature information;
The second temperature sensor sends to electric machine controller for gathering the motor temperature of motor, so that electric machine controller sends to described primary controller by CAN network by motor temperature information and electric machine controller temperature information.
A heat dissipating method, described method comprises:
The temperature of primary controller analysis generator and/or motor;
When the temperature of electrical generator and/or motor is greater than the first predetermined threshold value, primary controller sends the first starting mode of pump signal to relay;
Described relay receives after the first starting mode of pump signal, controls the first water of radiation pump startup;
Refrigerant fluid after the first heat radiation water pump is cooling by the first radiator exports electrical generator to and motor dispels the heat;
When the temperature of electrical generator and/or motor is greater than the second predetermined threshold value, primary controller sends the second control signal to electric motor fan group, and described the second predetermined threshold value is greater than the first predetermined threshold value;
Described motor radiating fan group receives after the second control signal, according to the second control signal, the first radiator is dispelled the heat;
The temperature of primary controller analysis generator controller and/or engine controller;
When the temperature of engine controller and/or engine controller is greater than the 3rd predetermined threshold value, primary controller sends the second starting mode of pump signal and controller fan block enable signal to relay;
Described relay receives after the second starting mode of pump signal and controller fan block enable signal, controls the second heat radiation water pump and controller fan group and starts;
The second heat radiation water pump exports the refrigerant fluid of the second radiator output to engine controller and/or engine controller dispels the heat;
Controller fan group is dispelled the heat to the second radiator.
Optionally, described method also comprises:
When primary controller detects second gear signal and the speed of a motor vehicle and is greater than 0, primary controller sends the first starting mode of pump signal, the second starting mode of pump signal and controller fan block enable signal to relay.
Optionally, described method also comprises:
When primary controller receives Debugging signal, primary controller sends the first starting mode of pump signal, the second starting mode of pump signal and controller fan block enable signal to relay.
As shown in the above, the present invention has following beneficial effect:
The invention provides a kind of vehicle cooling system and heat dissipating method, described system comprises: described primary controller is connected respectively with described relay and described motor radiating fan group, described relay is connected with two heat radiation water pumps and described controller radiator fan group, the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit, the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit, two different heat-radiation loops are set respectively to motor/generator and electric machine controller/engine controller, the cooling-liquid temperature of controlling the first heat-radiation loop meets the demand of motor/generator normal operation, the second heat-radiation loop refrigerant fluid problem of controlling meets the demand of electric machine controller/engine controller normal operation, the temperature of two heat-radiation loops is controlled respectively, radiating control is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is primary controller and thermal component annexation schematic diagram in a kind of vehicle cooling system of the present invention;
Fig. 2 is first heat-radiation loop the first structural representation in a kind of vehicle cooling system of the present invention;
Fig. 3 is first heat-radiation loop the second structural representation in a kind of vehicle cooling system of the present invention;
Fig. 4 is the third structural representation of the first heat-radiation loop in a kind of vehicle cooling system of the present invention;
Fig. 5 is second heat-radiation loop the first structural representation in a kind of vehicle cooling system of the present invention;
Fig. 6 is second heat-radiation loop the second structural representation in a kind of vehicle cooling system of the present invention;
Fig. 7 is second heat-radiation loop the second structural representation in a kind of vehicle cooling system of the present invention;
Fig. 8 is the first heat-radiation loop control method diagram of circuit in the embodiment of the present invention two;
Fig. 9 is the second heat-radiation loop control method diagram of circuit in the embodiment of the present invention two.
The specific embodiment
The invention discloses a kind of vehicle cooling system and cooling control method, two different heat-radiation loops are set respectively to motor/generator and electric machine controller/engine controller, radiating control is simple, simplifies the structure of thermal component.
Below in conjunction with accompanying drawing, the specific embodiment of the invention is elaborated.
Embodiment mono-
A kind of vehicle cooling system of the present invention, described system comprises:
Primary controller, relay, two radiatores and, two heat radiation water pumps and, motor radiating fan group and controller radiator fan group, electrical generator and motor, engine controller and electric machine controller.
Fig. 1 is primary controller and thermal component annexation schematic diagram in a kind of vehicle cooling system of the present invention.
Described primary controller 101 is connected respectively with described relay 102 and described motor radiating fan group 103, and described relay 102 is connected with 105 and described controller radiator fan group 106 with two heat radiation water pumps 104.
Primary controller 101 is generally vehicle control device (Vchicle Control Unit, VCU), primary controller 101 generates radiating control signal according to vehicle condition, primary controller 101 by relay 102 indirectly control two heat radiation water pumps 104 and 105 and described controller radiator fan group 106 dispel the heat, primary controller 101 is directly controlled described motor radiating fan group 103 and is dispelled the heat.Described relay 102 is low-tension distribution board relay.
The first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit.
Here it should be noted that, except the first radiator, the first heat radiation water pump, motor and electrical generator, in the first heat-radiation loop, also comprise other annexes that in the prior aries such as expansion tank, heat-radiation loop comprises, no longer repeat here.
The first heat-radiation loop has three kinds of possible structures, below in conjunction with accompanying drawing, is elaborated.
The possible structure of first heat-radiation loop the first:
Fig. 2 is first heat-radiation loop the first structural representation in a kind of vehicle cooling system of the present invention.The first radiator 107, the first heat radiation water pump 104, electrical generator 108 and motor 109 are connected and are formed the first heat-radiation loop by heat radiation conduit successively.
In the possible structure of the first of the first heat-radiation loop, refrigerant fluid flows into the first heat radiation water pump 104 from the low level liquid outlet of the first radiator 107, the first heat radiation water pump 104 exports refrigerant fluid to electrical generator 108, first electrical generator 108 is dispelled the heat, refrigerant fluid is from electrical generator 108 flows out, flow into motor 109 again, then motor 109 is dispelled the heat, the refrigerant fluid flowing out from motor 109 finally flows back into the first radiator 107.
Near the first radiator 107, motor radiating fan group 103 is set, for adopting exhausting mode to dispel the heat to the first radiator 107.
The possible structure of first heat-radiation loop the second:
Fig. 3 is first heat-radiation loop the second structural representation in a kind of vehicle cooling system of the present invention.The first radiator 107, the first heat radiation water pump 104, motor 109 and electrical generator 108 are connected and are formed the first heat-radiation loop by heat radiation conduit successively.
In the possible structure of the second of the first heat-radiation loop, refrigerant fluid flows into the first heat radiation water pump 104 from the low level liquid outlet of the first radiator 107, the first heat radiation water pump 104 exports refrigerant fluid to motor 109, first motor 109 is dispelled the heat, refrigerant fluid is from motor 109 flows out, inflow generator 108 again, then electrical generator 108 is dispelled the heat, and the refrigerant fluid flowing out from electrical generator 108 finally flows back into the first radiator 107.
Near the first radiator 107, motor radiating fan group 103 is set, for adopting exhausting mode to dispel the heat to the first radiator 107.
Here it should be noted that, motor radiating fan group 103 not only can adopt exhausting mode to dispel the heat, and can also adopt other modes such as blowing to dispel the heat, and is mainly to arrange and the residing environmental factor of vehicle according to concrete body structure.For example: northern area, sand and dust are more, also can adopt " blowing " mode to dispel the heat, and radiating mode can specifically arrange according to the structure of actual vehicle body and the residing environment of vehicle.
The third possible structure of the first heat-radiation loop:
Fig. 4 is the third structural representation of the first heat-radiation loop in a kind of vehicle cooling system of the present invention.After electrical generator 108 and motor 109 parallel connections, connect and form the first heat-radiation loop with the first radiator 107 and the first heat radiation water pump 104 successively.
In the third possible structure of the first heat-radiation loop, refrigerant fluid flows into the first heat radiation water pump 104 from the low level liquid outlet of the first radiator 107, the first heat radiation water pump 104 exports respectively refrigerant fluid to electrical generator 108 and motor 109, electrical generator 108 and motor 109 are dispelled the heat simultaneously, from the refrigerant fluid of electrical generator 108 and motor 109 outflows, finally flow back into the first radiator 107.
Near the first radiator 107, motor radiating fan group 103 is set, for adopting exhausting mode to dispel the heat to the first radiator 107.
The second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit.
Here it should be noted that, except the second radiator, the second heat radiation water pump, electric machine controller and engine controller, in the second heat-radiation loop, also comprise other annexes that in the prior aries such as expansion tank, heat-radiation loop comprises, no longer repeat here.
The second heat-radiation loop has three kinds of possible structures, below in conjunction with accompanying drawing, is elaborated.
The possible structure of second heat-radiation loop the first:
Fig. 5 is second heat-radiation loop the first structural representation in a kind of vehicle cooling system of the present invention.The second radiator 110 is connected and is formed the second heat-radiation loop by heat radiation conduit successively with the second heat radiation water pump 105, described engine controller 111 and described electric machine controller 112.
In the possible structure of the first of the second heat-radiation loop, refrigerant fluid flows into the second heat radiation water pump 104 from the low level liquid outlet of the second radiator 110, the second heat radiation water pump 104 exports refrigerant fluid to engine controller 111, first engine controller 111 is dispelled the heat, refrigerant fluid is from engine controller 111 flows out, flow into electric machine controller 112 again, then electric machine controller 112 is dispelled the heat, the refrigerant fluid flowing out from electric machine controller 112 finally flows back into the second radiator 110.
Near the second radiator 110, controller radiator fan group 106 is set, for adopting blowing mode to dispel the heat to the second radiator 110.
The possible structure of second heat-radiation loop the second:
Fig. 6 is second heat-radiation loop the second structural representation in a kind of vehicle cooling system of the present invention.The second radiator 110 is connected and is formed the second heat-radiation loop by heat radiation conduit successively with the second heat radiation water pump 104, described electric machine controller 112 and described engine controller 111.
In the possible structure of the second of the second heat-radiation loop, refrigerant fluid flows into the second heat radiation water pump 104 from the low level liquid outlet of the second radiator 110, the second heat radiation water pump 104 exports refrigerant fluid to electric machine controller 112, first electric machine controller 112 is dispelled the heat, refrigerant fluid is from electric machine controller 112 flows out, inflow generator controller 111 again, then engine controller 111 is dispelled the heat, and the refrigerant fluid flowing out from engine controller 111 finally flows back into the second radiator 114.
Near the second radiator 110, controller radiator fan group 106 is set, for adopting blowing mode to dispel the heat to the second radiator 110.
The third possible structure of the second heat-radiation loop:
Fig. 7 is second heat-radiation loop the second structural representation in a kind of vehicle cooling system of the present invention.After engine controller 111 and electric machine controller 112 parallel connections, connect and form the second heat-radiation loop with the second radiator 114 and the second heat radiation water pump 104 successively.
In the third possible structure of the second heat-radiation loop, refrigerant fluid flows into the second heat radiation water pump 104 from the low level liquid outlet of the second radiator 114, the second heat radiation water pump 104 exports respectively refrigerant fluid to engine controller 111 and electric machine controller 112, engine controller 111 and electric machine controller 112 are dispelled the heat simultaneously, from the refrigerant fluid of engine controller 111 and electric machine controller 112 outflows, finally flow back into the second radiator 114.
Near the second radiator 110, controller radiator fan group 106 is set, for adopting blowing mode to dispel the heat to the second radiator 110.
Described primary controller 101 sends the first control signals to described relay 102, and described the first control signal is for controlling two heat radiation water pumps 104 and 105 and the start and stop of controller radiator fan group 106.
The first control signal comprises the first starting mode of pump signal, the second starting mode of pump signal, controller fan block enable signal, the first water pump danger signal, the second water pump danger signal, any one in controller fan group danger signal or multiple.
Described primary controller 101 sends the second control signal to described motor radiating fan group 103, and described the second control signal is for controlling the mode of operation of described motor radiating fan group under different operating modes.
Described the second control signal is pulse width modulation (Pulse Width Modulation, PWM) signal, described motor radiating fan group 103 is provided with the device of identification pwm signal, primary controller 101 is realized the control to the start and stop of motor radiating fan group 103 and height wind speed by controlling the dutycycle of the second control signal, can adapt to vehicle different demands to working part temperature under each operational mode.
Described relay 102 is for receiving the first control signal of described primary controller 101, according to described the first control signal, controls two heat radiation water pumps 104 and 105 and the start and stop of controller radiator fan group 106.
Relay 102 receives after the first control signal that primary controller 101 sends, the first control signal is identified, the first control signal control two heat radiation water pumps 104 and 105 and controller radiator fan group 106 in any one or more start and stop.
Described the first radiator 107 is for the refrigerant fluid of cooling the first heat-radiation loop.
Described the first heat radiation water pump 104 exports the refrigerant fluid of the first radiator 107 outputs to described electrical generator 108 and motor 109 when starting.
Described the second radiator 110 is for exporting the refrigerant fluid of the second heat-radiation loop.
Described the second heat radiation water pump 105 exports the refrigerant fluid of the second radiator 110 outputs to described engine controller 111 and electric machine controller 112 when starting.
Described motor radiating fan group 103 is for dispelling the heat to the first radiator 107.
Described motor radiating fan group 103 adopts air draught mode to dispel the heat, and increases the air quantity of radiating gill on the first radiator 107, takes away quickly heat, thereby reaches the object that the first radiator 107 is lowered the temperature rapidly.
Optionally, described motor radiating fan group 103 is two fans of close the first radiator 107 in vehicle motor radiator fan group, and described engine cooling fan group is for dispelling the heat to described driving engine.
The first radiator 107 is arranged near engine cooling fan group region, adopt engine cooling fan group to dispel the heat to the first radiator 107, the radiator fan that the first radiator 107 is set that like this can be extra, further simplifies the structure of the thermal component of vehicle cooling system.
Described controller radiator fan group 106 is for dispelling the heat to the second radiator 110.
Described controller radiator fan group 106 adopts blowing mode, and the heat of cooling system inside is blown to cooling system outside.
Optionally, described system also comprises:
Two temperature sensors, the first temperature sensor is connected with engine controller, and the second temperature sensor is connected with electric machine controller, and described engine controller is connected with described primary controller by CAN network with electric machine controller;
The first temperature sensor sends to engine controller for gathering the generator-temperature detection information of electrical generator, so that engine controller sends to described primary controller by CAN network by generator-temperature detection information and engine controller temperature information;
The second temperature sensor sends to electric machine controller for gathering the motor temperature of motor, so that electric machine controller sends to described primary controller by CAN network by motor temperature information and electric machine controller temperature information.
Primary controller 101 can receive the signal sending when operating personal is carried out heat radiation operation or Debugging operation and carry out radiating control, and carrying out radiating control also can be according to received generator-temperature detection information, engine controller temperature information, motor temperature information and electric machine controller temperature information.
As shown in the above, the present invention has following beneficial effect:
Described primary controller is connected respectively with described relay and described motor radiating fan group, described relay is connected with two heat radiation water pumps and described controller radiator fan group, the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit, the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit, two different heat-radiation loops are set respectively to motor/generator and electric machine controller/engine controller, the cooling-liquid temperature of controlling the first heat-radiation loop meets the demand of motor/generator normal operation, the second heat-radiation loop refrigerant fluid problem of controlling meets the demand of electric machine controller/engine controller normal operation, the temperature of two heat-radiation loops is controlled respectively, radiating control is simple, without being set, put a plurality of water temperature information acquisition devices, simplify the structure of thermal component.
Embodiment bis-
A kind of vehicle heat dissipating method of the present invention, comprising the first heat-radiation loop control method and the second heat-radiation loop control method:
Fig. 8 is the first heat-radiation loop control method diagram of circuit in the embodiment of the present invention two:
Step 801: the temperature of primary controller analysis generator and/or motor.
The temperature information that the first temperature sensor gathers electrical generator sends to engine controller, and engine controller sends to described primary controller by CAN network by generator-temperature detection information and engine controller temperature information; The motor temperature that the second temperature sensor gathers motor sends to electric machine controller, and electric machine controller sends to described primary controller by CAN network by motor temperature information and electric machine controller temperature information.Primary controller is analyzed the temperature of received motor and/or motor.
Step 802: when the temperature of electrical generator and/or motor is greater than the first predetermined threshold value, primary controller sends the first starting mode of pump signal to relay.
When in generator-temperature detection and motor temperature, at least one is greater than the first predetermined threshold value, primary controller is controlled the first heat-radiation loop and is dispelled the heat, primary controller sends the first starting mode of pump signal to relay, by relay, indirectly controls the first water of radiation pump startup, and electrical generator and motor are dispelled the heat.Wherein, described the first starting mode of pump signal is in the first control signal, to control the control signal of the first water of radiation pump startup.
Step 803: described relay receives after the first starting mode of pump signal, controls the first water of radiation pump startup.
Step 804: the refrigerant fluid after the first heat radiation water pump is cooling by the first radiator exports electrical generator to and motor dispels the heat.
Step 805: when the temperature of electrical generator and/or motor is greater than the second predetermined threshold value, primary controller sends the second control signal to electric motor fan group, described the second predetermined threshold value is greater than the first predetermined threshold value.
When any one in generator-temperature detection or motor temperature is greater than the second predetermined threshold value, primary controller sends the second control signal to relay, indirectly controls motor radiating fan group dispel the heat to the first radiator in the first heat-radiation loop by relay.
Step 806: described motor radiating fan group receives after the second control signal, according to the second control signal, the first radiator is dispelled the heat.
In addition, if when the temperature of electrical generator or motor surpasses the first pre-set limit, and when two generator-temperature detections of the vicinity gathering and/or the difference of motor temperature surpass the first preset difference value, the first heat radiation water pump is carried out to trouble diagnosing, the first heat radiation water pump is restarted three times, if restart three times, also cannot eliminate fault afterwards, stop the first heat radiation water pump, and send the first water of radiation failure of pump information to primary controller.
Fig. 9 is the second heat-radiation loop control method diagram of circuit in the embodiment of the present invention two:
Step 901: the temperature of primary controller analysis generator controller and/or engine controller.
Similar with step 801, repeat no more the description of refer step 801 here.
Step 902: when the temperature of engine controller and/or engine controller is greater than the 3rd predetermined threshold value, primary controller sends the second starting mode of pump signal and controller fan block enable signal to relay.
When in generator control actuator temperature and electric machine control actuator temperature, at least one is greater than the 3rd predetermined threshold value, primary controller is controlled the second heat-radiation loop and is dispelled the heat, primary controller sends the second starting mode of pump signal and controller fan block enable signal to relay, by indirect control the second heat radiation water pump of relay and controller fan group, start, engine controller and electric machine controller are dispelled the heat.Wherein, described the second starting mode of pump signal is in the first control signal, to control the control signal of the second water of radiation pump startup, and controller fan block enable signal is in the first control signal, to control the control signal that controller radiator fan group starts.
Step 903: described relay receives after the second starting mode of pump signal and controller fan block enable signal, controls the second heat radiation water pump and controller fan group and starts.
Step 904: the second heat radiation water pump exports the refrigerant fluid of the second radiator output to engine controller and/or engine controller dispels the heat.
Step 905: controller fan group is dispelled the heat to the second radiator.
In addition, if when the temperature of engine controller or electric machine controller surpasses the second pre-set limit, and when two generator control actuator temperatures of the vicinity gathering and/or the difference of electric machine control actuator temperature surpass the second preset difference value, the second heat radiation water pump is carried out to trouble diagnosing, the second heat radiation water pump is restarted three times, if restart three times, also cannot eliminate fault afterwards, stop the second heat radiation water pump, and send the second water of radiation failure of pump information to primary controller.
Optionally, when primary controller detects second gear signal and the speed of a motor vehicle and is greater than 0, primary controller sends the first starting mode of pump signal, the second starting mode of pump signal and controller fan block enable signal to relay.
Primary controller detects second gear signal, represents that primary controller powers on normally to vehicle, and vehicle is prepared to start, and when the speed of a motor vehicle is greater than 0, primary controller starts by Control the first heat radiation water pump, the second heat radiation water pump and controller fan group.
Optionally, when primary controller receives Debugging signal, primary controller sends the first starting mode of pump signal, the second starting mode of pump signal and controller fan block enable signal to relay.
Debugging signal is the signal that staff sends to primary controller when the cooling system of vehicle is debugged, and primary controller receives after Debugging signal, by Control the first heat radiation water pump, the second heat radiation water pump and controller fan group, starts.
When cooling-liquid temperature is lower than the first predetermined threshold value, and the speed of a motor vehicle such as vehicle pull-in or parking is 0 o'clock, and the first heat radiation water pump quits work; When cooling-liquid temperature is lower than the 3rd predetermined threshold value, and the speed of a motor vehicle such as vehicle pull-in or parking is 0 o'clock, and the second heat radiation water pump quits work, and reduces the work-hours of heat radiation water pump, extends the service life of heat radiation water pump, reduces to a certain extent energy consumption.
Trouble diagnosing to the first heat radiation water pump or the second heat radiation water pump, and by controller the on off control to the first heat radiation water pump or the second heat radiation water pump, prevent that the first heat radiation water pump or the long-time idle running of the second heat radiation water pump from causing damaging, and guarantees that vehicle normally moves.
In addition, after vehicle normally powers on, primary controller can also carry out radiating mode judgement according to actual vehicle condition:
When primary controller receives fault or Debugging signal, enter fault or Debugging pattern;
When primary controller vehicle operating, when the highest temperature of motor, electrical generator and driving engine surpasses the 5th predetermined threshold value, primary controller continues output high level, and motor radiating fan group enters fast mode;
When primary controller vehicle operating, the highest temperature of motor, electrical generator and driving engine is between the 4th predetermined threshold value and the 5th predetermined threshold value time, and primary controller continues the pwm signal that output duty cycle is 50%～100%, and motor radiating fan group enters speed-regulating mode;
When primary controller vehicle operating, the highest temperature of motor, electrical generator and driving engine is during lower than the 4th predetermined threshold value, and primary controller stops output pwm signal, and motor radiating fan group stops.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a vehicle cooling system, is characterized in that, described system comprises:
Primary controller, relay, two radiatores, two heat radiation water pumps, motor radiating fan group and controller radiator fan group, electrical generator and motor, engine controller and electric machine controller;
Described primary controller is connected respectively with described relay and described motor radiating fan group, described relay is connected with two heat radiation water pumps and described controller radiator fan group, the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit, and the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit;
Described primary controller sends the first control signal to described relay, and described the first control signal is for controlling the start and stop of two heat radiation water pumps and controller radiator fan group;
Described primary controller sends the second control signal to described motor radiating fan group, and described the second control signal is for controlling the mode of operation of described motor radiating fan group under different operating modes;
Described relay, for receiving the first control signal of described primary controller, is controlled the start and stop of two heat radiation water pumps and controller radiator fan group according to described the first control signal;
Described the first radiator is for the refrigerant fluid of cooling output the first heat-radiation loop;
Refrigerant fluid after the first radiator is cooling when described the first heat radiation water pump is used for starting exports described electrical generator and motor to;
Described the second radiator is for exporting the refrigerant fluid of the second heat-radiation loop;
Described the second heat radiation water pump exports the refrigerant fluid of the second radiator output to described engine controller and electric machine controller while being used for starting;
Described motor radiating fan group is for dispelling the heat to the first radiator;
Described controller radiator fan group is for dispelling the heat to the second radiator.
2. system according to claim 1, is characterized in that,
Described motor radiating fan group is two fans of close the first radiator in engine cooling fan group, and described engine cooling fan group is for dispelling the heat to described driving engine.
3. system according to claim 1, is characterized in that, described the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit and comprise:
The first radiator, the first heat radiation water pump, electrical generator and motor are connected and are formed the first heat-radiation loop by heat radiation conduit successively;
Or,
The first radiator, the first heat radiation water pump, motor and electrical generator are connected and are formed the first heat-radiation loop by heat radiation conduit successively.
4. system according to claim 1, is characterized in that, described the first radiator and the first heat radiation water pump, described electrical generator and described motor are connected to form the first heat-radiation loop by heat radiation conduit and comprise:
After electrical generator and motor parallel, form the first heat-radiation loop with the first radiator and the first water of radiation series connection of pumps successively.
5. system according to claim 1, is characterized in that, described the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit and comprise:
The second radiator, the second heat radiation water pump, engine controller and electric machine controller are connected and are formed the second heat-radiation loop by heat radiation conduit successively;
Or,
The second radiator, the second heat radiation water pump, electric machine controller and engine controller are connected and are formed the second heat-radiation loop by heat radiation conduit successively.
6. system according to claim 1, is characterized in that, described the second radiator and the second heat radiation water pump, described engine controller and described electric machine controller are connected to form the second heat-radiation loop by heat radiation conduit and comprise:
After electric machine controller and engine controller parallel connection, form the second heat-radiation loop with the second radiator and the second water of radiation series connection of pumps successively.
7. according to the system described in claim 1-6 any one, it is characterized in that, described system also comprises:
Two temperature sensors, the first temperature sensor is connected with engine controller, and the second temperature sensor is connected with electric machine controller, and described engine controller is connected with described primary controller by CAN network with electric machine controller;
The first temperature sensor sends to engine controller for gathering the generator-temperature detection information of electrical generator, so that engine controller sends to described primary controller by CAN network by generator-temperature detection information and engine controller temperature information;
The second temperature sensor sends to electric machine controller for gathering the motor temperature of motor, so that electric machine controller sends to described primary controller by CAN network by motor temperature information and electric machine controller temperature information.
8. a vehicle heat dissipating method, is characterized in that, described method comprises:
The temperature of primary controller analysis generator and/or motor;
When the temperature of electrical generator and/or motor is greater than the first predetermined threshold value, primary controller sends the first starting mode of pump signal to relay;
Described relay receives after the first starting mode of pump signal, controls the first water of radiation pump startup;
Refrigerant fluid after the first heat radiation water pump is cooling by the first radiator exports electrical generator to and motor dispels the heat;
When the temperature of electrical generator and/or motor is greater than the second predetermined threshold value, primary controller sends the second control signal to electric motor fan group, and described the second predetermined threshold value is greater than the first predetermined threshold value;
Described motor radiating fan group receives after the second control signal, according to the second control signal, the first radiator is dispelled the heat;
The temperature of primary controller analysis generator controller and/or engine controller;
When the temperature of engine controller and/or engine controller is greater than the 3rd predetermined threshold value, primary controller sends the second starting mode of pump signal and controller fan block enable signal to relay;
Described relay receives after the second starting mode of pump signal and controller fan block enable signal, controls the second heat radiation water pump and controller fan group and starts;
The second heat radiation water pump exports the refrigerant fluid of the second radiator output to engine controller and/or engine controller dispels the heat;
Controller fan group is dispelled the heat to the second radiator.
9. method according to claim 8, is characterized in that, described method also comprises:
When primary controller detects second gear signal and the speed of a motor vehicle and is greater than 0, primary controller sends the first starting mode of pump signal, the second starting mode of pump signal and controller fan block enable signal to relay.
10. method according to claim 8, is characterized in that, described method also comprises:
When primary controller receives Debugging signal, primary controller sends the first starting mode of pump signal, the second starting mode of pump signal and controller fan block enable signal to relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484560.4A CN103522892B (en) | 2013-10-16 | 2013-10-16 | Vehicle cooling system and cooling control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484560.4A CN103522892B (en) | 2013-10-16 | 2013-10-16 | Vehicle cooling system and cooling control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103522892A true CN103522892A (en) | 2014-01-22 |
| CN103522892B CN103522892B (en) | 2016-02-24 |
Family
ID=49925386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310484560.4A Active CN103522892B (en) | 2013-10-16 | 2013-10-16 | Vehicle cooling system and cooling control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103522892B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386008A (en) * | 2014-09-18 | 2015-03-04 | 湖南南车时代电动汽车股份有限公司 | Vehicle-mounted intelligent power distribution unit |
| CN107804157A (en) * | 2016-09-09 | 2018-03-16 | 株式会社斯巴鲁 | Vehicle cooling device |
| CN109774458A (en) * | 2017-11-15 | 2019-05-21 | 湖南中车时代电动汽车股份有限公司 | A kind of motor and controller cooling system and method |
| CN109849635A (en) * | 2018-12-27 | 2019-06-07 | 清华大学苏州汽车研究院（吴江） | A kind of cooling system and electric car of hub motor for electric automobile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030088353A1 (en) * | 2001-10-24 | 2003-05-08 | Hans Heckmann | Method for activating a system for controlling and/or regulating operational sequences in a motor vehicle having several equal-access control units |
| WO2005080765A1 (en) * | 2004-02-13 | 2005-09-01 | Toyota Jidosha Kabushiki Kaisha | Cooling system |
| CN201914075U (en) * | 2010-12-20 | 2011-08-03 | 浙江吉利汽车研究院有限公司 | Cooling system of hybrid electric vehicle |
| CN102745063A (en) * | 2011-04-19 | 2012-10-24 | 北京超力锐丰科技有限公司 | Electric vehicle cooling system and control algorithm thereof |
| CN202623911U (en) * | 2012-06-18 | 2012-12-26 | 潍柴动力股份有限公司 | Cooling device for motor and motor controller |
| CN202685908U (en) * | 2012-08-01 | 2013-01-23 | 中国东方电气集团有限公司 | Heat radiation system for overall electric car |
| CN102941791A (en) * | 2012-11-08 | 2013-02-27 | 上海汽车集团股份有限公司 | Integrated thermal cycling system of electric vehicle |
| CN203005063U (en) * | 2012-11-27 | 2013-06-19 | 东风汽车有限公司 | Water cooling system for automobile motor |
-
2013
- 2013-10-16 CN CN201310484560.4A patent/CN103522892B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030088353A1 (en) * | 2001-10-24 | 2003-05-08 | Hans Heckmann | Method for activating a system for controlling and/or regulating operational sequences in a motor vehicle having several equal-access control units |
| WO2005080765A1 (en) * | 2004-02-13 | 2005-09-01 | Toyota Jidosha Kabushiki Kaisha | Cooling system |
| CN201914075U (en) * | 2010-12-20 | 2011-08-03 | 浙江吉利汽车研究院有限公司 | Cooling system of hybrid electric vehicle |
| CN102745063A (en) * | 2011-04-19 | 2012-10-24 | 北京超力锐丰科技有限公司 | Electric vehicle cooling system and control algorithm thereof |
| CN202623911U (en) * | 2012-06-18 | 2012-12-26 | 潍柴动力股份有限公司 | Cooling device for motor and motor controller |
| CN202685908U (en) * | 2012-08-01 | 2013-01-23 | 中国东方电气集团有限公司 | Heat radiation system for overall electric car |
| CN102941791A (en) * | 2012-11-08 | 2013-02-27 | 上海汽车集团股份有限公司 | Integrated thermal cycling system of electric vehicle |
| CN203005063U (en) * | 2012-11-27 | 2013-06-19 | 东风汽车有限公司 | Water cooling system for automobile motor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386008A (en) * | 2014-09-18 | 2015-03-04 | 湖南南车时代电动汽车股份有限公司 | Vehicle-mounted intelligent power distribution unit |
| CN107804157A (en) * | 2016-09-09 | 2018-03-16 | 株式会社斯巴鲁 | Vehicle cooling device |
| CN109774458A (en) * | 2017-11-15 | 2019-05-21 | 湖南中车时代电动汽车股份有限公司 | A kind of motor and controller cooling system and method |
| CN109774458B (en) * | 2017-11-15 | 2022-04-08 | 湖南中车时代电动汽车股份有限公司 | Motor and controller cooling system and method |
| CN109849635A (en) * | 2018-12-27 | 2019-06-07 | 清华大学苏州汽车研究院（吴江） | A kind of cooling system and electric car of hub motor for electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103522892B (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102322329B (en) | Intelligent control method of engine cooling fan for engineering machinery | |
| CN2894051Y (en) | Mixed power electric vehicle motor cooling device | |
| US7484378B2 (en) | Cooling system and method for cooling a heat producing system | |
| CN104808719A (en) | Temperature control system and method | |
| CN103522892A (en) | Vehicle heat dissipation system and heat dissipation control method | |
| CN104602487A (en) | Liquid cooling and heat exchange system | |
| CN110762198B (en) | Wind-powered electricity generation gear box is lubricated to be purified and temperature control system | |
| CN106329028A (en) | Vehicle battery temperature control device and vehicle battery temperature control method | |
| CN102700400A (en) | Radiating system of new energy vehicles, and thermal management and control method | |
| CN109654887B (en) | Circulating water cooling system and automatic control method thereof | |
| CN108167144B (en) | Cooling system, wind generating set with cooling system and cooling method of wind generating set | |
| CN110165946A (en) | One kind being based on DSP brushless DC control system | |
| CN104044444A (en) | Electric automobile vehicle integration thermal management system and work method | |
| CN104912664A (en) | EGR cooler cleaning method and cleaning apparatus | |
| CN104102310A (en) | Cooling system for whole cabinet of server | |
| CN108506076A (en) | Turbine cooling system, control method and the vehicle of engine | |
| CN203373802U (en) | Excavator heat dissipation control system based on silicone oil clutch | |
| CN102721155A (en) | Control device and control method for rapidly detecting abnormality of commercial air conditioning water system and protecting commercial air conditioning water system | |
| CN202867009U (en) | Fuel pump controller | |
| CN204759234U (en) | Pure electric vehicles permanent magnet synchronous motor actuating system liquid cooling device | |
| RU83982U1 (en) | SYSTEM OF AUTONOMOUS HEATING OF DIESELS OF DIESEL DIESEL TRANSPORT "VORTEX" | |
| CN201242234Y (en) | Anion high-efficiency empty power electronic cooling/warming air conditioner | |
| CN210688884U (en) | Circulating water control system | |
| CN113969820A (en) | Engine intelligent thermal management system with ambient temperature monitoring function | |
| CN103397928B (en) | Engine heat management electromagnetic speed regulation energy-saving fan system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Wei Inventor after: He Liang Inventor after: Xi Like Inventor after: Peng Zaiwu Inventor after: Lv Yongbin Inventor after: Song Chao Inventor after: Chen Huangxi Inventor before: He Liang Inventor before: Wang Wei Inventor before: Xi Like Inventor before: Peng Zaiwu Inventor before: Lv Yongbin Inventor before: Song Chao Inventor before: Chen Huangxi |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee after: Zhongche Times Electric Vehicle Co.,Ltd. Address before: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee before: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address after: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee after: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address before: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee before: HUNAN CSR TIMES ELECTRIC VEHICLE Co.,Ltd. |