CN106449036A - Intelligent cooling system for traction transformer of electric multiple unit - Google Patents
Intelligent cooling system for traction transformer of electric multiple unit Download PDFInfo
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- CN106449036A CN106449036A CN201610794206.5A CN201610794206A CN106449036A CN 106449036 A CN106449036 A CN 106449036A CN 201610794206 A CN201610794206 A CN 201610794206A CN 106449036 A CN106449036 A CN 106449036A
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- cooling
- monitoring
- oil
- fan
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an intelligent cooling system for a traction transformer of an electric multiple unit. The electric multiple unit is provided with an equipment compartment, wherein the traction transformer is arranged in the equipment compartment, the traction transformer comprises a heat source part placed in an oil box, the cooling system comprises a cooling device arranged in the equipment compartment, heat generated by the heat source part is taken away by cooling oil flowing out of the oil box, the cooling device comprises a heat sink and an oil pump, the heat sink communicates with the oil box through a cooling oil circulation pipeline, the cooling oil circulation pipeline comprises an oil inlet pipeline and an oil outlet pipeline, the oil pump is arranged on the oil outlet pipeline, the cooling oil flowing out of the oil box passes through the oil outlet pipeline and the oil pump and enters the heat sink, the heat sink is used for transferring the heat to cooling air from the cooling oil, and the cooling oil passes through the oil inlet pipeline and returns to the oil box after the heat is released. By the intelligent cooling system, the cooling intensity can be automatically adjusted, and the energy utilization efficiency is improved.
Description
Technical field
The present invention relates to technical field of heat exchange, specially a kind of traction transformer of electric motor unit Intelligence Cooling System.
Background technology
At present, the intelligent cooling technology being applied to electric rail car group is also fully realized and enough attention.Existing skill
In art, there is intensity of cooling and adjust constant, energy profit in the cooling system that under the car of electric rail car group, equipment compartment endogenous pyrogen is adopted
With inefficient defect；Some are applied to cooling system such as tractive transformer cooling system, the traction voltage transformation of electric rail car group
Device cooling system, traction electric machine cooling system etc. still fall within passive cooling system, and the heat dissipation design standard of these cooling systems is
Meet cooling requirements during full load, its control strategy is extensive single-point control mode, with tractive transformer cooling system is
Example, in prior art, general control strategy is：Cooling system blower fan has high speed and two kinds of rotating speed methods of operation of low speed, when
When the top-oil temperature degree of tractive transformer fuel tank reaches T1 DEG C, described blower fan adopts high-speed cruising mode, when tractive transformer
When top-oil temperature degree reaches T1+10 DEG C, described blower fan adopts low cruise mode；This control mode can not be according to electric rail car
The running environment of group and the change with operating mode, come the oily flow of precise control tractive transformer and the flow of cooling air,
And then it is unable to the heat transfer process of thermal source in precise control tractive transformer, lead at low ambient temperatures or partial load condition
Lower undercooling, auxiliary power is high, causes energy waste, economy is bad, simultaneously high noise.
Content of the invention
The present invention is directed to the proposition of problem above, and develops one kind and can automatically adjust intensity of cooling, improve utilization of energy
The traction transformer of electric motor unit Intelligence Cooling System of efficiency.
The technological means of the present invention are as follows：
A kind of traction transformer of electric motor unit Intelligence Cooling System, described electric rail car group has equipment compartment, described leads
Draw transformator to be arranged in equipment compartment, and included heat source component is positioned in fuel tank, described cooling system includes：
It is arranged at the chiller in described equipment compartment；Take away described heat source component by the cooling oil that described fuel tank flows out to produce
Raw heat；Described chiller includes：
With described fuel tank by cooling down the radiator that oil circuit piping connects；Described cooling oil circuit piping includes oil inlet pipe
Road and outlet line；
It is arranged on the oil pump in described outlet line；The cooling oil being flowed out by described fuel tank is entered via outlet line and oil pump
Enter described radiator；Heat is passed to cooling air from described cooling oil by described radiator；After described cooling oil release heat,
It is back to described fuel tank via described in-line；
Further, described equipment compartment possesses the first air filter being arranged on described equipment compartment side skirt；Described
Radiator has inlet side and air side；Described chiller also includes：
It is arranged on the inlet channel between described first air filter and described radiator inlet side；
And it is arranged on the least one set blower fan of described radiator air side；
Further, described cooling oil circuit piping also includes connecting the bypass of described in-line and described outlet line
Pipeline；Described bypass line is provided with the first electric control valve；By the control of described first electric control valve is adjusted with inflow institute
State the cooling oil flow of chiller；Described cooling system also includes：It is arranged on effusion meter in described outlet line, Yi Jiyu
The oil expansion tank that described fuel tank is connected；
Further, described assembling is in the fan box with air inlet and air outlet；Described chiller is also
Including the hot gas re-flow device being arranged on described air box body sidewall；Described hot gas re-flow device includes：With described air box
The air return pipeline of body phase connection and the distribution lines all connecting with air return pipeline and equipment compartment setting position；By air box
The hot-air flowing out in body is back to described equipment compartment setting position through described air return pipeline and distribution lines；Described return air
Pipeline is provided with the second electric control valve；Described chiller also includes being arranged on the second air filtration of described radiator inlet side
Device；
In addition, described cooling system also includes Based Intelligent Control subsystem, this Based Intelligent Control subsystem is by described rotation speed of fan
Be divided into [0, n1, n2 ..., ni ..., ne] multiple speed level, i value be 0,1,2 ..., e；
Further, described Based Intelligent Control subsystem, using default cooling effect as qualificationss, moves according to described electric power
The operational factor of car group, the running parameter of described tractive transformer and equipment indoor environment condition are adjusting at described rotation speed of fan
In a certain described speed level, and then realize the control to described cooling air delivery；
Further, described Based Intelligent Control subsystem obtains the rotation speed of fan ni under i operating mode by following process：
Rotation speed of fan ni ' under i operating mode is obtained using first kind of way, described first kind of way is as follows：
1. heat dissipation capacity Q needed for described tractive transformer under i operating mode is drawn by formula Q=N × (1- η)；Wherein, N represents i
The input power of described tractive transformer under operating mode, η represent the efficiency of described tractive transformer under i operating mode；
2. drawn described under i operating mode by formula Q=ε × Wa × (ta1-to1) and formula W a=Va1 × ρ a1 × Cpa1
The cooling air inlet flow velocity Va1 of radiator；Wherein, ε represents that the heat transfer efficiency of described cooling system under i operating mode, Wa represent i work
Under condition, the minimum thermal capacity of described cooling system, ta1 represent the cooling air inlet temperature of described radiator under i operating mode, to1 table
Show that the cooling oil inlet temperature of described radiator under i operating mode, ρ a1 represent that the cooling air inlet of described radiator under i operating mode is close
Degree, Cpa1 represent the cooling air inlet specific heat at constant pressure of described radiator under i operating mode；
3. pass through formula ni '=Va1/Vae × ne and obtain the rotation speed of fan ni ' under i operating mode；Wherein, Vae represents specified work
Under condition, the cooling air inlet flow velocity of described radiator, ne represent rotation speed of fan under declared working condition；
Rotation speed of fan ni under i operating mode is obtained using the second way ", the described second way is as follows：
1. according to formula Ps=A1 × V2+ B1 × V+C1 draws required blower fan total static pressure Ps；Wherein, A1, B1, C1 are to set
Constant, V is compressor flow；
2. according to formula Ps=A2 × Va1B2Draw the cooling air inlet flow velocity Va1 needed for described radiator under i operating mode；
Wherein, A2, B2 are to set constant；
3. pass through formula ni "=Va1/Vae × ne obtains the rotation speed of fan ni under i operating mode "；Wherein, Vae represents specified work
Under condition, the cooling air inlet flow velocity of described radiator, ne represent rotation speed of fan under declared working condition；
The rotation speed of fan ni that relatively the rotation speed of fan ni ' of first kind of way acquisition, the second way obtain ", blower fan is turned
The greater in fast ni ' and rotation speed of fan ni " is as the rotation speed of fan ni under i operating mode；
Further, controlled by the aperture of described second electric control valve of regulation and be back to equipment compartment setting position
Hot air flowrate, and then make temperature in equipment compartment be not less than pressure in preset temperature and equipment compartment to be in preset pressure model
Enclose；
In addition, described cooling system also includes real-time monitoring subsystem, this real-time monitoring subsystem at least includes：
For monitoring the power monitoring module of described tractive transformer input power；
For monitoring the first temperature monitoring module of the cooling air inlet temperature of described radiator；
For monitoring the first pressure monitoring modular of the cooling air inlet pressure of described radiator；
For monitoring the first flow monitoring module of the cooling air inlet flow velocity of described radiator；
For monitoring the second temperature monitoring modular of the cooling oil inlet temperature of described fuel tank；
The 3rd temperature monitoring module with the cooling oil inlet temperature for monitoring described radiator；
In addition, described real-time monitoring subsystem also includes：
For monitoring the second pressure monitoring modular of the cooling oil inlet pressure of described fuel tank；
The 4th temperature monitoring module for temperature in monitoring device cabin；
The 3rd pressure monitoring module for pressure in monitoring device cabin；
For monitoring the 5th temperature monitoring module of the cooling-oil outlet temperature of described fuel tank；
For monitoring the 4th pressure monitoring module of the cooling-oil outlet pressure of described fuel tank；
For monitoring the 6th temperature monitoring module of the hot air outlet temperature of described hot gas re-flow device；
For monitoring the 5th pressure monitoring module of the hot air outlet pressure of described hot gas re-flow device；
For monitoring the second flow speed monitoring modular of the hot air outlet flow velocity of described hot gas re-flow device；
For monitoring the test module of described blower fan electric current, voltage and power；
And for monitoring the rotation speed monitoring module of described rotation speed of fan.
Due to employing technique scheme, the traction transformer of electric motor unit Intelligence Cooling System that the present invention provides,
From the system integration and overall angle, plan as a whole the relation between heat and thermal source, car load, using the side of Comprehensive Control and system administration
Formula, the cooling system each part related to heat transfer is integrated into an effective system, controls and optimizes heat transfer process, protects
Demonstrate,prove the safe and highly efficient operation of each critical component and cooling system, be easy to manage perfectly and reasonably utilize heat energy；Being capable of basis
The running environment of electric rail car group and operating mode, dynamic regulation rotation speed of fan and cooling air delivery, and then control intensity of cooling, keep away
Exempt from sub-cooled；Intelligence Cooling System of the present invention can reduce auxiliary power consumption, improves radiating efficiency and utilization of energy
Efficiency, economy is relatively preferable, can reduce noise, reduces the pollution of Noise upon Environment, improves the comfortableness of EMUs passenger；
In addition, Intelligence Cooling System of the present invention can realize the dynamic regulation of equipment compartment ambient temperature under car, improve in equipment compartment
The serviceability of the equipment and vehicle adaptability to environment, meets electric rail car group energy-saving and environmental protection and the requirement of safety.
Brief description
Fig. 1 is the structural representation of Intelligence Cooling System of the present invention；
Fig. 2 is the structured flowchart of real-time monitoring subsystem of the present invention；
In figure：1st, equipment compartment, 2, tractive transformer, 3, bypass line, 4, fuel tank, 5, radiator, 6, in-line, 7, go out
Oil pipe line, 8, oil pump, 9, side skirt, the 10, first air filter, 11, inlet channel, 12, blower fan, 13, fan box, 14,
Air inlet, 15, air outlet, 16, hot gas re-flow device, 17, air return pipeline, 18, distribution lines, 19, equipment compartment setting position,
20th, the second electric control valve, 21, effusion meter, 22, oil expansion tank, the 23, second air filter, the 24, first electric control valve.
Specific embodiment
A kind of traction transformer of electric motor unit Intelligence Cooling System as depicted in figs. 1 and 2, described electric rail car group tool
There is equipment compartment 1, described tractive transformer 2 is arranged in equipment compartment 1, and included heat source component is positioned in fuel tank 4, described
Cooling system includes：It is arranged at the chiller in described equipment compartment 1；Described heat is taken away by the cooling oil that described fuel tank 4 flows out
The heat that source block produces；Described chiller includes：With described fuel tank 4 by cooling down the radiator 5 that oil circuit piping connects；
Described cooling oil circuit piping includes in-line 6 and outlet line 7；It is arranged on the oil pump 8 in described outlet line 7；By institute
The cooling oil stating fuel tank 4 outflow enters described radiator 5 via outlet line 7 and oil pump 8；Described radiator 5 is by heat from institute
State cooling oil and pass to cooling air；After described cooling oil release heat, it is back to described fuel tank 4 via described in-line 6；
Further, described equipment compartment 1 possesses the first air filter 10 being arranged on described equipment compartment 1 side skirt 9；Described radiating
Device 5 has inlet side and air side；Described chiller also includes：It is arranged on described first air filter 10 and described radiating
Inlet channel 11 between device 5 inlet side；And it is arranged on the least one set blower fan 12 of described radiator 5 air side；Further
Ground, described cooling oil circuit piping also includes connecting the bypass line 3 of described in-line 6 and described outlet line 7；Described side
Siphunculus road 3 is provided with the first electric control valve 24；By the control of described first electric control valve 24 is adjusted with the described cooling of inflow
The cooling oil flow of device；Described cooling system also includes：Be arranged on effusion meter 21 in described outlet line 7 and with institute
State the oil expansion tank 22 that fuel tank 4 is connected；Further, described blower fan 12 is arranged on the wind with air inlet 14 and air outlet 15
In cabinet bulk 13；Described chiller also includes the hot gas re-flow device 16 being arranged on described fan box 13 side wall；Described
Hot gas re-flow device 16 includes：The air return pipeline 17 that is connected with described fan box 13 and with air return pipeline 17 and equipment
The distribution lines 18 of cabin setting position 19 all connections；By the hot-air flowing out in fan box 13 through described air return pipeline 17
It is back to described equipment compartment setting position 19 with distribution lines 18；Described air return pipeline 17 is provided with the second electric control valve 20；
Described chiller also includes being arranged on the second air filter 23 of described radiator 5 inlet side；In addition, described cooling system
Also include Based Intelligent Control subsystem, this Based Intelligent Control subsystem described blower fan 12 rotating speed is divided into [0, n1, n2 ...,
Ni ..., ne] multiple speed level, i value be 0,1,2 ..., e；Further, described Based Intelligent Control subsystem is with default
Cooling effect as qualificationss, according to the operational factor of described electric rail car group, the running parameter of described tractive transformer 2 and
In equipment compartment 1, environmental condition is in a certain described speed level adjusting described blower fan 12 rotating speed, and then realizes to described cooling
The control of air mass flow；Further, described Based Intelligent Control subsystem obtains blower fan 12 rotating speed under i operating mode by following process
ni：Blower fan 12 rotating speed ni ' under i operating mode is obtained using first kind of way, described first kind of way is as follows：1. pass through formula Q=N
× (1- η) draws heat dissipation capacity Q needed for described tractive transformer 2 under i operating mode；Wherein, N represents described tractive transformer 2 under i operating mode
Input power, η represent the efficiency of described tractive transformer 2 under i operating mode；2. pass through formula Q=ε × Wa × (ta1-to1) and
Formula W a=Va1 × ρ a1 × Cpa1 draws the cooling air inlet flow velocity Va1 of described radiator 5 under i operating mode；Wherein, ε represents i
Under operating mode, the heat transfer efficiency of described cooling system, Wa represent that under i operating mode, the minimum thermal capacity of described cooling system, ta1 represent i work
Under condition, the cooling air inlet temperature of described radiator 5, to1 represent the cooling oil inlet temperature of described radiator 5, ρ under i operating mode
A1 represents that the cooling air inlet density of described radiator 5 under i operating mode, Cpa1 represent that the cooling of described radiator 5 under i operating mode is empty
Gas import specific heat at constant pressure；3. pass through formula ni '=Va1/Vae × ne and obtain the blower fan 12 rotating speed ni ' under i operating mode；Wherein, Vae
Represent that under declared working condition, the cooling air inlet flow velocity of described radiator 5, ne represent blower fan 12 rotating speed under declared working condition；Using
Two kinds of modes obtain the blower fan 12 rotating speed ni under i operating mode ", the described second way is as follows：1. according to formula Ps=A1 × V2+B1
× V+C1 draws the total static pressure Ps of required blower fan 12；Wherein, A1, B1, C1 are to set constant, and V is compressor flow；2. according to formula Ps
=A2 × Va1B2Draw the cooling air inlet flow velocity Va1 needed for described radiator 5 under i operating mode；Wherein, A2, B2 are often to set
Number；3. pass through formula ni "=Va1/Vae × ne obtains the blower fan 12 rotating speed ni under i operating mode "；Wherein, Vae represents declared working condition
Under the cooling air inlet flow velocity of described radiator 5, ne represent blower fan 12 rotating speed under declared working condition；Relatively first kind of way obtains
Blower fan 12 rotating speed ni ', the blower fan 12 rotating speed ni ", by blower fan 12 rotating speed ni ' and blower fan 12 rotating speed ni " that obtains of the second way
In the greater as the blower fan 12 rotating speed ni under i operating mode；Further, by adjusting the aperture of described second electric control valve 20
To control the hot air flowrate being back to equipment compartment setting position 19, and then to make temperature in equipment compartment 1 be not less than default temperature
In degree and equipment compartment 1, pressure is in pre-set pressure range；In addition, described cooling system also includes real-time monitoring subsystem, should
Real-time monitoring subsystem at least includes：For monitoring the power monitoring module of described tractive transformer 2 input power；For monitoring
First temperature monitoring module of the cooling air inlet temperature of described radiator 5；For monitoring the cooling air of described radiator 5
The first pressure monitoring modular of inlet pressure；For monitoring the first flow velocity prison of the cooling air inlet flow velocity of described radiator 5
Survey module；For monitoring the second temperature monitoring modular of the cooling oil inlet temperature of described fuel tank 4；With for monitoring described radiating
3rd temperature monitoring module of the cooling oil inlet temperature of device 5；In addition, described real-time monitoring subsystem also includes：For monitoring
The second pressure monitoring modular of the cooling oil inlet pressure of described fuel tank 4；The 4th temperature prison for temperature in monitoring device cabin 1
Survey module；The 3rd pressure monitoring module for pressure in monitoring device cabin 1；For monitoring the cooling-oil outlet of described fuel tank 4
5th temperature monitoring module of temperature；For monitoring the 4th pressure monitoring module of the cooling-oil outlet pressure of described fuel tank 4；With
The 6th temperature monitoring module in the hot air outlet temperature monitoring described hot gas re-flow device 16；Return for monitoring described steam
5th pressure monitoring module of the hot air outlet pressure of stream device 16；For monitoring the hot-air of described hot gas re-flow device 16
The second flow speed monitoring modular of exit velocity；For monitoring the test module of described blower fan 12 electric current, voltage and power；And use
In the rotation speed monitoring module monitoring described blower fan 12 rotating speed.After cooling air of the present invention is via the first air filter 10,
Radiator 5 is entered by inlet side by inlet channel 11 and the second air filter 23, carries out after heat exchange with described cooling oil
Form hot-air, this hot-air flows into fan box 13 by the air inlet 14 of air side and fan box 13, and a part is through wind
Flow out after the air outlet 15 of cabinet bulk 13, and finally flow to atmospheric environment, another part is back to by hot gas re-flow device 16
Equipment compartment setting position 19；Cooling oil inlet temperature to3 that described default cooling effect can refer to described fuel tank 4 no more than sets
Definite value to3e；Described preset temperature can be with value for 25 DEG C；Described pre-set pressure range can be with value for 0～500Pa；Traction
Heat source component included by transformator 2 includes the heat generating components such as coil, reactor；Described oil expansion tank 22 has Liquid level
Device；Described power monitoring module can adopt electric power measurement analyser；Described first temperature monitoring module, second temperature monitoring
Module, the 3rd temperature monitoring module, the 4th temperature monitoring module, the 5th temperature monitoring module and the 6th temperature monitoring module are permissible
Using temperature sensor；Described first pressure monitoring modular, second pressure monitoring modular, the 3rd pressure monitoring module, the 4th pressure
Power monitoring modular and the 5th pressure monitoring module can adopt pressure transducer；Described first flow monitoring module, second flow speed
Monitoring modular adopts current meter；Described test module can adopt electrical power measuring and analysing meter；Described rotation speed monitoring module is permissible
Using speed probe；Described real-time monitoring subsystem is also included to the cooling air temperature flowing through after the first air filter 10
The temperature sensor being monitored, the pressure sensing that the cooling air pressure flowing through after the first air filter 10 is monitored
Device, it is arranged on temperature sensor near capital equipment in equipment compartment 1 and pressure transducer, the pressure for monitoring fuel tank 4 pressure
Force transducer, the temperature sensor for monitoring fuel tank 4 top-oil temperature degree.
Cooling oil circuit piping of the present invention also includes connecting the bypass of described in-line 6 and described outlet line 7
Pipeline 3；Described bypass line 3 is provided with the first electric control valve 24；By adjusting to the control of described first electric control valve 24
Flow into the cooling oil flow of described chiller；Specifically, when the running environment air themperature of electric rail car group is relatively low, and then lead
When causing the cooling oil temperature of tractive transformer 2 relatively low, by controlling the aperture of the first electric control valve 24 on bypass line 3, make one
Partly oil is not cooled directly flows to in-line 6 by outlet line 7, and cold and hot cooling oil flows to after mixing in in-line 6
Fuel tank 4, it is to avoid sub-cooled.
As shown in figure 1, under the i-th operating mode, Pv1 represents the cooling air pressure after flowing through the first air filter 10, tv1
Represent the cooling air temperature after flowing through the first air filter 10, Pa1 represents the cooling air of described radiator 5 under i operating mode
Inlet pressure, ta1 represents the cooling air inlet temperature of described radiator 5 under i operating mode, and Va1 represents described radiator under i operating mode
5 cooling air inlet flow velocity, Pa2 represents the hot air outlet pressure of hot gas re-flow device 16, and ta2 represents hot gas re-flow device
16 hot air outlet temperature, Va2 represents the hot air outlet flow velocity of hot gas re-flow device 16, and N1, N2 represent blower fan 1 respectively
Power input to machine, the power input to machine of blower fan 2, n1, n2 represent that the motor speed of blower fan 1, the motor of blower fan 2 turn respectively
Speed, I represents the input current of tractive transformer 2, and U represents the input voltage of tractive transformer 2, and N represents the defeated of tractive transformer 2
Enter power, Po1 represents fuel tank 4 pressure, to1 represents fuel tank 4 top-oil temperature degree, Po2 represents the cooling-oil outlet pressure of fuel tank 4,
To2 represents the cooling-oil outlet temperature of fuel tank 4, and Po3 represents the cooling oil inlet pressure of fuel tank 4, and to3 represents the cooling of fuel tank 4
Oil-in temperature, Pvi represents the air pressure of equipment compartment setting position 19, and tvi represents the sky of equipment compartment setting position 19
Temperature degree.
The present invention, from the system integration and overall angle, plans as a whole the relation between heat and thermal source, car load, using Comprehensive Control
With the mode of system administration, the cooling system each part related to heat transfer is integrated into an effective system, controls and optimize
Heat transfer process, it is ensured that the safe and highly efficient operation of each critical component and cooling system, manages perfectly and reasonably utilizes heat
Energy.
The traction transformer of electric motor unit Intelligence Cooling System that the present invention provides, can be according to the operation of electric rail car group
Environment and operating mode, dynamic regulation rotation speed of fan and cooling air delivery, and then control intensity of cooling, it is to avoid sub-cooled；This
Bright described Intelligence Cooling System can reduce auxiliary power consumption, improves radiating efficiency and efficiency of energy utilization, and economy is relatively
Preferably, noise can be reduced, reduce the pollution of Noise upon Environment, improve the comfortableness of EMUs passenger；In addition, it is of the present invention
Intelligence Cooling System can realize the dynamic regulation of equipment compartment ambient temperature under car, improves the serviceability of equipment below deck equipment
And the adaptability to environment for the vehicle, meet electric rail car group energy-saving and environmental protection and the requirement of safety.
The present invention be capable of equipment indoor environment temperature, pressure control it is ensured that equipment indoor environment temperature be not less than-
25 DEG C, and in equipment compartment, pressure is in pressure-fired 0～500Pa, and then advantageously reduce soiled environment and get off outer soiled thing
Grain access arrangement cabin, reduces the impact to equipment compartment internal part for the soiled and damage.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. a kind of traction transformer of electric motor unit Intelligence Cooling System, described electric rail car group has equipment compartment, described traction
Transformator is arranged in equipment compartment, and included heat source component is positioned in fuel tank it is characterised in that described cooling system bag
Include：
It is arranged at the chiller in described equipment compartment；Take away what described heat source component produced by the cooling oil that described fuel tank flows out
Heat；Described chiller includes：
With described fuel tank by cooling down the radiator that oil circuit piping connects；Described cooling oil circuit piping include in-line and
Outlet line；
It is arranged on the oil pump in described outlet line；The cooling oil being flowed out by described fuel tank enters institute via outlet line and oil pump
State radiator；Heat is passed to cooling air from described cooling oil by described radiator；After described cooling oil release heat, via
Described in-line is back to described fuel tank.
2. traction transformer of electric motor unit Intelligence Cooling System according to claim 1 is it is characterised in that described equipment
Cabin possesses the first air filter being arranged on described equipment compartment side skirt；Described radiator has inlet side and air side；
Described chiller also includes：
It is arranged on the inlet channel between described first air filter and described radiator inlet side；
And it is arranged on the least one set blower fan of described radiator air side.
3. traction transformer of electric motor unit Intelligence Cooling System according to claim 1 is it is characterised in that described cooling
Oil circuit piping also includes connecting the bypass line of described in-line and described outlet line；Described bypass line is provided with
One electric control valve；By the cooling oil flow flowing into described chiller is adjusted to the control of described first electric control valve；Institute
State cooling system also to include：The effusion meter being arranged in described outlet line and the oil expansion tank being connected with described fuel tank.
4. traction transformer of electric motor unit Intelligence Cooling System according to claim 2 is it is characterised in that described blower fan
It is arranged in the fan box with air inlet and air outlet；Described chiller also includes being arranged on described air box body sidewall
On hot gas re-flow device；Described hot gas re-flow device includes：The air return pipeline that is connected with described fan box and with return
The distribution lines that air pipe line all connects with equipment compartment setting position；By the hot-air flowing out in fan box through described return air
Pipeline and distribution lines are back to described equipment compartment setting position；Described air return pipeline is provided with the second electric control valve；Described
Chiller also includes being arranged on the second air filter of described radiator inlet side.
5. traction transformer of electric motor unit Intelligence Cooling System according to claim 2 is it is characterised in that described cooling
System also includes Based Intelligent Control subsystem, this Based Intelligent Control subsystem described rotation speed of fan is divided into [0, n1, n2 ...,
Ni ..., ne] multiple speed level, i value be 0,1,2 ..., e.
6. traction transformer of electric motor unit Intelligence Cooling System according to claim 5 is it is characterised in that described intelligence
Control subsystem, using default cooling effect as qualificationss, becomes according to the operational factor of described electric rail car group, described traction
The running parameter of depressor and equipment indoor environment condition are in a certain described speed level, Jin Ershi adjusting described rotation speed of fan
The now control to described cooling air delivery.
7. traction transformer of electric motor unit Intelligence Cooling System according to claim 5 is it is characterised in that described intelligence
Control subsystem obtains the rotation speed of fan ni under i operating mode by following process：
Rotation speed of fan ni ' under i operating mode is obtained using first kind of way, described first kind of way is as follows：
1. heat dissipation capacity Q needed for described tractive transformer under i operating mode is drawn by formula Q=N × (1- η)；Wherein, N represents i operating mode
Under the input power of described tractive transformer, η represent the efficiency of described tractive transformer under i operating mode；
2. described radiating under i operating mode is drawn by formula Q=ε × Wa × (ta1-to1) and formula W a=Va1 × ρ a1 × Cpa1
The cooling air inlet flow velocity Va1 of device；Wherein, ε represents that the heat transfer efficiency of described cooling system under i operating mode, Wa represent under i operating mode
The minimum thermal capacity of described cooling system, ta1 represent that the cooling air inlet temperature of described radiator under i operating mode, to1 represent i
The cooling oil inlet temperature of described radiator under operating mode, ρ a1 represent described radiator under i operating mode cooling air inlet density,
Cpa1 represents the cooling air inlet specific heat at constant pressure of described radiator under i operating mode；
3. pass through formula ni '=Va1/Vae × ne and obtain the rotation speed of fan ni ' under i operating mode；Wherein, Vae represents under declared working condition
The cooling air inlet flow velocity of described radiator, ne represent rotation speed of fan under declared working condition；
Rotation speed of fan ni under i operating mode is obtained using the second way ", the described second way is as follows：
1. according to formula Ps=A1 × V2+ B1 × V+C1 draws required blower fan total static pressure Ps；Wherein, A1, B1, C1 are to set constant,
V is compressor flow；
2. according to formula Ps=A2 × Va1B2Draw the cooling air inlet flow velocity Va1 needed for described radiator under i operating mode；Its
In, A2, B2 are to set constant；
3. pass through formula ni "=Va1/Vae × ne obtains the rotation speed of fan ni under i operating mode "；Wherein, Vae represents under declared working condition
The cooling air inlet flow velocity of described radiator, ne represent rotation speed of fan under declared working condition；
The rotation speed of fan ni that relatively the rotation speed of fan ni ' of first kind of way acquisition, the second way obtain ", by rotation speed of fan ni '
With rotation speed of fan ni " in the greater as the rotation speed of fan ni under i operating mode.
8. traction transformer of electric motor unit Intelligence Cooling System according to claim 4 is it is characterised in that pass through to adjust
The aperture of described second electric control valve is controlling the hot air flowrate being back to equipment compartment setting position, and then makes equipment compartment
Interior temperature is not less than pressure in preset temperature and equipment compartment and is in pre-set pressure range.
9. traction transformer of electric motor unit Intelligence Cooling System according to claim 4 is it is characterised in that described cooling
System also includes real-time monitoring subsystem, and this real-time monitoring subsystem at least includes：
For monitoring the power monitoring module of described tractive transformer input power；
For monitoring the first temperature monitoring module of the cooling air inlet temperature of described radiator；
For monitoring the first flow monitoring module of the cooling air inlet flow velocity of described radiator；
For monitoring the second temperature monitoring modular of the cooling oil inlet temperature of described fuel tank；
The 3rd temperature monitoring module with the cooling oil inlet temperature for monitoring described radiator.
10. traction transformer of electric motor unit Intelligence Cooling System according to claim 9 it is characterised in that described in real time
Monitoring subsystem also includes：
For monitoring the first pressure monitoring modular of the cooling air inlet pressure of described radiator；
For monitoring the second pressure monitoring modular of the cooling oil inlet pressure of described fuel tank；
The 4th temperature monitoring module for temperature in monitoring device cabin；
The 3rd pressure monitoring module for pressure in monitoring device cabin；
For monitoring the 5th temperature monitoring module of the cooling-oil outlet temperature of described fuel tank；
For monitoring the 4th pressure monitoring module of the cooling-oil outlet pressure of described fuel tank；
For monitoring the 6th temperature monitoring module of the hot air outlet temperature of described hot gas re-flow device；
For monitoring the 5th pressure monitoring module of the hot air outlet pressure of described hot gas re-flow device；
For monitoring the second flow speed monitoring modular of the hot air outlet flow velocity of described hot gas re-flow device；
For monitoring the test module of described blower fan electric current, voltage and power；
And for monitoring the rotation speed monitoring module of described rotation speed of fan.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769163A (en) * | 2017-11-27 | 2018-03-06 | 中车株洲电力机车有限公司 | A kind of guard method, system and the device of tractive transformer oil pump |
| CN108447657A (en) * | 2018-03-08 | 2018-08-24 | 株洲联诚集团控股股份有限公司 | The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel |
| CN110211771A (en) * | 2019-07-05 | 2019-09-06 | 中车大连机车研究所有限公司 | A kind of power transmission and transformation transformer air cooler and its control method |
| CN110501939A (en) * | 2019-08-02 | 2019-11-26 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of transformer fault early warning system and its control method based on electric power Internet of Things |
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| WO2023231221A1 (en) * | 2022-05-31 | 2023-12-07 | 中车株洲电机有限公司 | Integrated traction transformer assembly |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632996A (en) * | 2004-12-22 | 2005-06-29 | 刘建南 | An intelligent transformer operating and controlling device and its use |
| CN101475008A (en) * | 2008-08-30 | 2009-07-08 | 中国北车集团大连机车研究所有限公司 | Integrated cooling module for power distributed electric multiple unit |
| CN101943921A (en) * | 2010-08-10 | 2011-01-12 | 西安市双合软件技术有限公司 | Intelligent control method and intelligent control device of transformer cooling system |
| CN201902353U (en) * | 2010-11-25 | 2011-07-20 | 特变电工股份有限公司 | Controller for cooling fan |
| CN102208253A (en) * | 2011-03-04 | 2011-10-05 | 无锡金鑫集团有限公司 | Two-fan cooling system of tractive transformer of motor train unit |
| KR101078667B1 (en) * | 2010-09-30 | 2011-11-01 | 한국전력공사 | Apparatus for monitoring operation of cooling fan for transformer and method thereof |
| CN104597934A (en) * | 2014-12-15 | 2015-05-06 | 中国西电电气股份有限公司 | Intelligent cooler control system and method for transformer |
| CN204884783U (en) * | 2015-07-21 | 2015-12-16 | 南车株洲电机有限公司 | High -power electric locomotive traction transformer and oil circulative cooling system thereof |
| CN206040369U (en) * | 2016-08-31 | 2017-03-22 | 中车大连机车研究所有限公司 | Electric multiple unit traction transformer intelligent cooling system |
-
2016
- 2016-08-31 CN CN201610794206.5A patent/CN106449036B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632996A (en) * | 2004-12-22 | 2005-06-29 | 刘建南 | An intelligent transformer operating and controlling device and its use |
| CN101475008A (en) * | 2008-08-30 | 2009-07-08 | 中国北车集团大连机车研究所有限公司 | Integrated cooling module for power distributed electric multiple unit |
| CN101943921A (en) * | 2010-08-10 | 2011-01-12 | 西安市双合软件技术有限公司 | Intelligent control method and intelligent control device of transformer cooling system |
| KR101078667B1 (en) * | 2010-09-30 | 2011-11-01 | 한국전력공사 | Apparatus for monitoring operation of cooling fan for transformer and method thereof |
| CN201902353U (en) * | 2010-11-25 | 2011-07-20 | 特变电工股份有限公司 | Controller for cooling fan |
| CN102208253A (en) * | 2011-03-04 | 2011-10-05 | 无锡金鑫集团有限公司 | Two-fan cooling system of tractive transformer of motor train unit |
| CN104597934A (en) * | 2014-12-15 | 2015-05-06 | 中国西电电气股份有限公司 | Intelligent cooler control system and method for transformer |
| CN204884783U (en) * | 2015-07-21 | 2015-12-16 | 南车株洲电机有限公司 | High -power electric locomotive traction transformer and oil circulative cooling system thereof |
| CN206040369U (en) * | 2016-08-31 | 2017-03-22 | 中车大连机车研究所有限公司 | Electric multiple unit traction transformer intelligent cooling system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769163A (en) * | 2017-11-27 | 2018-03-06 | 中车株洲电力机车有限公司 | A kind of guard method, system and the device of tractive transformer oil pump |
| CN108447657A (en) * | 2018-03-08 | 2018-08-24 | 株洲联诚集团控股股份有限公司 | The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel |
| CN108447657B (en) * | 2018-03-08 | 2024-03-12 | 株洲联诚集团控股股份有限公司 | Overhead multi-channel air inlet parallel radiating motor train unit traction transformer cooling device |
| CN110211771A (en) * | 2019-07-05 | 2019-09-06 | 中车大连机车研究所有限公司 | A kind of power transmission and transformation transformer air cooler and its control method |
| CN110515402A (en) * | 2019-07-30 | 2019-11-29 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of transformer fortune check system and method based on ubiquitous electric power Internet of Things |
| CN110562653A (en) * | 2019-07-30 | 2019-12-13 | 国网浙江省电力有限公司嘉兴供电公司 | power transformation operation detection intelligent decision system and maintenance system based on ubiquitous power Internet of things |
| CN110501939A (en) * | 2019-08-02 | 2019-11-26 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of transformer fault early warning system and its control method based on electric power Internet of Things |
| CN110568876A (en) * | 2019-08-02 | 2019-12-13 | 国网浙江省电力有限公司嘉兴供电公司 | Substation equipment operation monitoring system |
| CN110501939B (en) * | 2019-08-02 | 2022-08-23 | 国网浙江省电力有限公司嘉兴供电公司 | Transformer fault early warning system based on power internet of things and control method thereof |
| CN112066719A (en) * | 2020-09-01 | 2020-12-11 | 新兴铸管股份有限公司 | Automatic cooling device for rotary kiln bearing bush tug |
| WO2023231221A1 (en) * | 2022-05-31 | 2023-12-07 | 中车株洲电机有限公司 | Integrated traction transformer assembly |
| WO2024092918A1 (en) * | 2022-10-31 | 2024-05-10 | 中车长春轨道客车股份有限公司 | Rail vehicle applying integrated heat energy management technology |
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