CN105407684B - Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet - Google Patents
Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet Download PDFInfo
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- CN105407684B CN105407684B CN201410339602.XA CN201410339602A CN105407684B CN 105407684 B CN105407684 B CN 105407684B CN 201410339602 A CN201410339602 A CN 201410339602A CN 105407684 B CN105407684 B CN 105407684B
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Abstract
The present invention provides a kind of locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet, which includes central control unit and at least one refrigeration unit, and refrigeration unit includes heat-conducting plate, thermoelectric refrigeration element, radiator and wind turbine;First and second temperature sensor is all provided on heat-conducting plate and radiator;Central control unit includes microcontroller and control module;Microcontroller exports first control signal according to the first temperature sensor, and control module is received the first control signal and thermoelectric refrigeration element is controlled to be run with certain refrigeration work consumption;Microcontroller exports second control signal according to second temperature sensor, and control module receives the second control signal and controls the wind turbine in a refrigeration unit with certain rotation speed operation.Cooling effect of the present invention is preferable;The volume of electrical cabinet is reduced, improves maintainability, can the temperature in electrical cabinet be quickly reduced to environment temperature hereinafter, cooling efficiency and speed greatly improve.
Description
Technical field
The present invention relates to locomotive electric cad system cabinet cooling technology more particularly to a kind of locomotive electric cad system cabinet cooling devices and locomotive electric cad system
Cabinet.
Background technology
High power semiconductor component is the important composition of locomotive electrical transmission system, they are typically installed at electrical cabinet
It is interior.When high power semiconductor component works, the energy of consumption is discharged with form of heat, if this partial heat is not discharged in time
Electrical cabinet, then electrical cabinet will be unable to work normally, and can also internal element be caused to burn when serious.
At present, refrigerant circulation is the Major Cooling Methods of locomotive electric cad system cabinet, and this traditional cooling device is by water tank, water
The mixed liquor of the compositions such as pump, wind turbine, radiator, pipeline, refrigerant generally use water and ethylene glycol composition, is followed under the action of water pump
In in pipeline, refrigerant, rapidly from electrical cabinet absorbed inside heat, is recycled to outside electrical cabinet ring under the action of wind turbine and radiator
During portion, secondary cooling apparatus can cool down refrigerant.This kind of cooling device is complicated, and connection sealing requirement is high, wind
Machine, radiator and pipeline are required to be mounted on inside electrical cabinet, this to design the volume for not only increasing electrical cabinet, and wind turbine
Caused during work to shake the stability for directly affecting electrical cabinet, complicated pipeline can also reduce the maintainability of electrical cabinet.
Invention content
The present invention provides a kind of locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet, for overcoming of the prior art lack
It falls into, improves the stability and energy utilization rate of cooling device, reduce electrical cabinet volume, and improve tieing up for cooling device
Shield property.
The present invention provides a kind of locomotive electric cad system cabinet cooling device, which includes central control unit and at least one
Refrigeration unit, wherein:
The refrigeration unit includes the heat-conducting plate being mounted on electrical cabinet internal heating element, cold end and the heat-conducting plate and connects
The thermoelectric refrigeration element connect, the radiator being connect with the thermoelectric refrigeration element hot junction and the wind set close to the radiator
Machine;
The first temperature sensor is provided on the heat-conducting plate, second temperature sensor is provided on the radiator;
The central control unit includes microcontroller and the quantity control module identical with the refrigeration unit quantity;Institute
State the heat that microcontroller heater element according to the temperature computation of heat-conducting plate that first temperature sensor detects needs
The refrigeration work consumption of electric cooling module, output and the first control signal corresponding to the thermoelectric refrigeration element refrigeration work consumption, it is described
Control module is received the first control signal and the thermoelectric refrigeration element in the refrigeration unit is controlled to be transported with the first refrigeration work consumption
Row;The wind turbine that radiator described in the temperature computation for the radiator that the microcontroller is detected according to second temperature sensor needs
Rotating speed, output and the second control signal corresponding to the rotation speed of fan, the control module receives the second control signal
And the wind turbine in the refrigeration unit is controlled with the first rotation speed operation.
Wherein, the heat-conducting plate is C-shaped, and the cold end of the thermoelectric refrigeration element is arranged in the notch of the heat-conducting plate.
Further, the radiator is fin radiator, the side of the fin radiator and fin backwards with it is described
The hot junction connection of thermoelectric refrigeration element.
Wherein, the control module includes:
First signaling conversion circuit, input terminal are connect with the first temperature sensor, and output terminal is connect with the microcontroller;
It is exported respectively to the micro-control after being amplified or convert for the signal for receiving the output of the first temperature sensor and by the signal
Device processed;
Second signal conversion circuit, input terminal are connect with second temperature sensor, and output terminal is connect with the microcontroller;
It is exported respectively to the micro-control after being amplified or convert for the signal for receiving second temperature sensor output and by the signal
Device processed;
Adjustable constant flow source circuit, input terminal connect the microcontroller, and output terminal connects the thermoelectric refrigeration element, according to
The first control signal for coming from the microcontroller output constant current received, makes to thermoelectric refrigeration unit power supply
It is run with certain refrigeration work consumption;
Motor-drive circuit, input terminal connect the microcontroller, and output terminal connects the wind turbine;According to receive come
The wind turbine is driven with certain rotation speed operation from the second control signal in the microcontroller.
Further, the first control signal is the voltage signal of 0~5V;The second control signal is pulse width
Modulated signal.
The present invention also provides a kind of locomotive electric cad system cabinet, including cabinet and at least one fever being arranged in cabinet member
Part, cooling device is provided on the cabinet, and the cooling device is the locomotive electric cad system cabinet cooling described in above-mentioned any embodiment
Device, the refrigeration unit being each respectively provided on the heater element in a locomotive electric cad system cabinet cooling device, the refrigeration
Heat-conducting plate in unit is mounted on the heater element, and the cold end of the thermoelectric refrigeration element in the refrigeration unit is arranged on institute
It states inside cabinet, the hot junction of the thermoelectric refrigeration element, the radiator being connect with the thermoelectric refrigeration element hot junction and described
Wind turbine in refrigeration unit is arranged at outside the cabinet.
Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet provided by the invention, the first temperature sensor are mounted on heat-conducting plate
On, for detecting the temperature of heat-conducting plate, the temperature for the heat-conducting plate that microcontroller is detected according to the first temperature sensor simultaneously passes through survey
Control the refrigeration work consumption of module control thermoelectric refrigeration element;Second temperature sensor be installed on a heat sink, for detecting radiator
Temperature, the temperature of radiator that microcontroller is detected according to second temperature sensor simultaneously controls wind turbine with by control module
Rotating speed, and then adjust the air quantity for flowing through radiator;Closed-loop control system is formed by actuators such as sensor and control modules, is improved
The stability and energy utilization rate of cooling device;Heater element inside each electrical cabinet is carried out by a refrigeration unit
Cooling, what is taken is point-to-point refrigeration modes, and cooling effect is preferable;In addition, only heat-conducting plate and thermoelectric cooling in refrigeration unit
The cold end of element is mounted on inside electrical cabinet, not comprising moving component, is reduced the volume of electrical cabinet, is improved maintainability,
And a good running environment is provided for electrical cabinet, the operating mode of electrical cabinet internal components is not influenced;Thermoelectric refrigeration element can
The temperature in electrical cabinet is quickly reduced to environment temperature hereinafter, relative to cooling device of the prior art, cooling efficiency and
Speed greatly improves.
Description of the drawings
Fig. 1 is the structure diagram of locomotive electric cad system cabinet cooling device provided in an embodiment of the present invention;
Fig. 2 is the structure diagram of central control unit;
Fig. 3 is the control flow schematic diagram of central control unit;
Fig. 4 is the structure diagram of locomotive electric cad system cabinet provided in an embodiment of the present invention.
Specific embodiment
As shown in Figs. 1-3, the present invention provides a kind of locomotive electric cad system cabinet cooling device, and it is single which includes center control
Member 1 and at least one refrigeration unit 2, wherein:Refrigeration unit 2 includes the heat conduction being mounted on electrical cabinet internal heating element 100
Thermoelectric refrigeration element 22 that plate 21,22a cold ends are connect with heat-conducting plate 21, the radiator being connect with thermoelectric refrigeration element hot junction 22b
23 and close to radiator setting wind turbine 24;The first temperature sensor 10 is provided on heat-conducting plate 21, is set on radiator 23
It is equipped with second temperature sensor 20;Central control unit 1 includes microcontroller 11 and quantity the observing and controlling mould identical with refrigeration unit 2
Block 12;Each control module 12 controls a refrigeration unit 2;Microcontroller 11 is led according to what the first temperature sensor 10 detected
The refrigeration work consumption for the thermoelectric refrigeration element 22 that the temperature computation heater element of hot plate 21 needs, output are made with thermoelectric refrigeration element 22
First control signal corresponding to cold power, control module 12 receive the first control signal and control heat in refrigeration unit 2
Electric cooling module 22 is run with the first refrigeration work consumption;The radiator 23 that microcontroller 11 is detected according to second temperature sensor 20
Temperature computation radiator 23 need air quantity, and according to the air volume meter calculate wind turbine 24 rotating speed, output with 24 rotating speed of wind turbine
Corresponding second control signal, control module 12 receive the second control signal and control the wind turbine 24 in refrigeration unit 2 with
First rotation speed operation.
Locomotive electric cad system cabinet cooling device provided by the invention, first sensor 10 is mounted on heat-conducting plate 21, for detecting
The temperature of heat-conducting plate 21, the temperature for the heat-conducting plate 21 that microcontroller 11 is detected according to the first temperature sensor 10 simultaneously pass through observing and controlling mould
Block 12 controls the refrigeration work consumption of thermoelectric refrigeration element;Second temperature sensor 20 is mounted on radiator 23, is radiated for detecting
The temperature of device 23, the temperature for the radiator 23 that microcontroller 11 is detected according to second sensor 20 are calculated needed for radiator 23
Air quantity, and then by the rotating speed of the Wind Coverage Calculation blowing machine 24, the rotating speed of wind turbine is controlled by control module 12, and then adjust stream
Cross the air quantity of radiator;It is made of and closes actuators such as the first temperature sensor 10, second temperature sensor 20 and control modules 12
Ring control system improves the stability and energy utilization rate of cooling device;Heater element inside each electrical cabinet passes through
One refrigeration unit is cooled down, and what is taken is point-to-point refrigeration modes, relative to hairs several inside electrical cabinet in the prior art
Thermal element utilizes the line of a refrigeration unit jointly, and to the refrigeration modes of point, cooling effect is preferable.
The principle of thermoelectric cooling is as follows:It is interconnected with two different wires, forms a closed circuit,
Two tie points be individually placed to temperature it is different two at, will be generated between two tie points a potential difference i.e. contact electricity
Kinetic potential.It is closed at just having electric current to pass through in circuit.In turn, the closed line two different metal wires being interconnected to form
Road has led to direct current, can generate the tie point of two different temperatures.Will be that one of tie point becomes as long as passing to direct current
Heat, another tie point turn cold.Here it is peltier effects, also known as difference of temperature.Production cold end is exactly the system that we need
It is cold.
General thermoelectric cooling device in the market can be used in thermoelectric refrigeration element 22, is used wherein in the present embodiment by N-type
N-type semiconductor and P-type semiconductor are connected into one with metal and returned by the thermoelectric refrigeration element that semiconductor and P-type semiconductor are formed
Road, metal only serve conductive.When electric current flows to P-type semiconductor by N-type semiconductor, the heat at P ends can be taken to N-terminal, and
The transmission speed of heat increases with the raising of electric current.
One central control unit 1 is equipped with a 11 and one personal-machine interface 13 of microcontroller, the quantity of control module 12
It is identical with the quantity of refrigeration unit 2.Microcontroller 11 is the core of central control unit 1, control module 12 and man-machine interface 13
Collected information can be sent to microcontroller 11, these information form control instruction after microcontroller 11 is calculated and handled
(including first control signal and second control signal), control module 12 receive and perform the control life that microcontroller is sent out again
It enables, thermoelectric refrigeration element 22 and wind turbine 24 is driven to run.Man-machine interface provides the mutual friendship of user and electrical cabinet refrigerating plant, uses
Family can observe the operating status of refrigerating plant by man-machine interface.Microcontroller 11 can be microcontroller, and control module 12 can
To be integrated circuit.
As the improvement of above-described embodiment, as shown in Figure 1, heat-conducting plate 21 is C-shaped, the cold end 22a of thermoelectric refrigeration element is set
It puts in the notch of heat-conducting plate 21.This kind of heat-conducting plate structure, the installation for thermoelectric refrigeration element 22 provide a notch, thermoelectricity
A part for cooling module can be embedded in the notch, reduce occupied space, in addition, notch arrangement setting increases thermoelectricity
The contact area of cooling module cold end 22a and heat-conducting plate 21, improve heat transfer rate.
As shown in Figure 1, radiator 23 is fin radiator, fin radiator and the sides of fin 23a backwards and thermoelectricity system
The hot junction 22a connections of cold element.Fin radiator is radiated by air dielectric, is easily installed and cost is relatively low, heat most passes through afterwards
Fin 23a is dispersed into air, is accelerated air flowing finally by wind turbine 24, is distributed heat to the external world.
In above-described embodiment, control module 12 includes:
First signaling conversion circuit 121, input terminal are connect with the first temperature sensor 10, and output terminal connects with microcontroller 11
It connects;It is exported respectively to micro-control after being amplified or convert for the signal for receiving the output of the first temperature sensor 10 and by the signal
Device 11 processed;First temperature sensor 10 is typically thermocouple type or thermoelectricity resistance type, if the first temperature sensor 10 selects thermocouple
Type, then the output of the first temperature sensor 10 is weak electrical potentials difference signal, the first signaling conversion circuit 121 select amplifying circuit and
Cold junction compensation circuit is amplified and compensates to potential difference, finally to microcontroller 11 input be voltage signal;If the
One temperature sensor 10 select thermoelectricity resistance type, then the first temperature sensor 10 output be resistance value variable quantity, the first signal
Conversion circuit 121 selects bridge circuit to show change in resistance amount in the form of voltage change, finally to microcontroller 11
Input is also voltage signal;
Second signal conversion circuit 122, input terminal are connect with second temperature sensor 20, and output terminal connects with microcontroller 11
It connects;It is exported respectively to micro-control after being amplified or convert for the signal for receiving the output of second temperature sensor 20 and by the signal
Device 11 processed;20 type selecting of second temperature sensor is identical with the first temperature sensor 10, and second signal conversion circuit 122 is also with first
Signaling conversion circuit 121 is similar, and when second temperature sensor 20 selects thermocouple type, then second signal conversion circuit 122 is puts
Large compensation circuit, when second temperature sensor 20 selects thermoelectricity resistance type, then second signal conversion circuit 122 is bridge circuit;
After microcontroller 11 receives the voltage signal of the first signaling conversion circuit 121 output, mould is carried out to the voltage signal
Number conversion, is converted to digital signal, and calculated according to pre-set programs, after finally carrying out digital-to-analogue conversion again by the voltage signal
Voltage control signal is obtained, this voltage control signal is exactly first control signal;
After microcontroller 11 receives the voltage signal of 121 output of second signal conversion circuit, mould is carried out to the voltage signal
Number conversion, digital signal is converted to, and calculated according to pre-set programs by the voltage signal, output pulse width modulation letter
Number, this pulse width modulating signal is exactly second control signal;Microcontroller 11 can be used to be turned with analog-to-digital conversion and digital-to-analogue
Change the microcontroller of function or using the chip with corresponding function;
Adjustable constant flow source circuit 123, input terminal connection microcontroller 11, output terminal connection thermoelectric refrigeration element 22, according to
Receive come from microcontroller 11 first control signal output constant current, to thermoelectric refrigeration unit 22 power supply make its with
Certain refrigeration work consumption operation;Adjustable constant flow source circuit is used to drive thermoelectric refrigeration element, and according to the voltage control signal of input
Size adjustment electric current size, so as to adjust refrigeration work consumption;
Motor-drive circuit 124, input terminal connection microcontroller 11, output terminal connection wind turbine 24;According to receive come
Wind turbine 21 is driven with certain rotation speed operation from the second control signal in microcontroller 11.Motor-drive circuit is according to microcontroller
The pulse-width signal of transmission adjusts rotation speed of fan, so as to adjust the air quantity for flowing through fin radiator.Adjustable constant flow source circuit
123 use existing constant-current source circuit, and motor-drive circuit 124 uses existing direct current motor drive circuit.Above-described embodiment
In first control signal be 0~5V voltage signal;Second control signal is pulse width modulating signal.
The input of first temperature sensor 10 and the output of adjustable constant flow source circuit constitute a closed loop control process, micro-
Control algolithm inside controller can accurately adjust this process.
Wind turbine 24 is driven by the motor-drive circuit 124 of control module, and microcontroller 11 is believed by the pulsewidth modulation of output
Number 24 rotating speed of adjusting wind turbine, that is, adjust air quantity.Fin radiator when the temperature is excessively high, is needed to improve air quantity, can be reduced when temperature is low
Air quantity.This is equally the closed loop control process adjusted by 11 internal algorithm of microcontroller.
Above-mentioned two closed loop control process not only increases the stability and reliability of system, and it is on-demand to have reached the energy
The purpose of distribution ensure that the energy-efficient of system.
Each control module includes four measuring control points, is the temperature, the temperature of fin radiator, wind turbine of heat-conducting plate 21 respectively
The output current of 24 rotating speeds and adjustable constant flow source circuit 123, this user can be seen by the man-machine interface 13 of central control unit 1
It examines.
Originally it is that embodiment also provides a kind of locomotive electric cad system cabinet, as shown in figure 4, including cabinet 200 and being arranged in cabinet 200
At least one heater element 100, cooling device is provided on cabinet 200, cooling device is the locomotive of above-mentioned any embodiment
Electrical cabinet cooling device, the refrigeration unit being respectively provided on each heater element 100 in a locomotive electric cad system cabinet cooling device, refrigeration
Heat-conducting plate 21 in unit is mounted on heater element 100, and the cold end 22a of the thermoelectric refrigeration element 22 in refrigeration unit is arranged on
Inside cabinet 200, the hot junction 22b of thermoelectric refrigeration element 22, with the thermoelectric refrigeration element hot junction 22b radiators 23 connecting and system
Wind turbine 24 in cold unit is arranged at outside cabinet 200.
In addition to thermoelectric refrigeration element 22, electrical cabinet other parts and heat exchange with outside, therefore electrical cabinet cabinet 200 are not needed to
Inside heat insulation layer 300 is installed.
Each electrical cabinet only needs a central control unit 1, and Fig. 4 assumes to be mounted with 3 heater elements in electrical cabinet, therefore needs
Want three refrigeration units and three control modules 12.
With reference to figure 4, the cold end 22a of heat-conducting plate 21 and thermoelectric refrigeration element is mounted in electrical cabinet, and heater element 100 is installed
On heat-conducting plate 21, if heater element 100 can not need to increase other heat conduction links with 21 good contact of heat-conducting plate.It can
According to the layout of electrical equipment, position and the quantity of refrigeration unit are adjusted, so as to reach best heat dissipation effect.
With reference to figure 1 and Fig. 4, the heat transfer that heater element 100 generates to heat-conducting plate 21, thermoelectric refrigeration element cold end 22a
The heat of heat-conducting plate 21 is absorbed, and is transferred to its hot junction 22b, by this process, the heat inside cabinet 200 is transferred to outer
Portion.Thermoelectric refrigeration element hot junction 22b is mounted on outside electrical cabinet, after the fin radiator absorption heat of upper part, in wind turbine 24
Under the action of, air takes away heat across fin, so as to cool hot junction 22b.Pass through above-mentioned two heat transfer process, cabinet
200 internal-internal heats have been discharged into air.
Only the cold end of heat-conducting plate and thermoelectric refrigeration element is mounted on inside electrical cabinet in refrigeration unit, not comprising movement portion
Part reduces the volume of electrical cabinet, improves maintainability, and provide a good running environment for electrical cabinet, not shadow
Ring the operating mode of electrical cabinet internal components;Thermoelectric refrigeration element can the temperature in electrical cabinet be quickly reduced to environment temperature hereinafter,
Relative to cooling device of the prior art, cooling efficiency and speed greatly improve.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that:Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement;And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (4)
1. a kind of locomotive electric cad system cabinet cooling device, which is characterized in that the cooling device includes central control unit and at least one
Refrigeration unit, wherein:
The refrigeration unit includes the heat-conducting plate being mounted on electrical cabinet internal heating element, cold end is connect with the heat-conducting plate
Thermoelectric refrigeration element, the radiator being connect with the thermoelectric refrigeration element hot junction and the wind turbine close to radiator setting;
The first temperature sensor is provided on the heat-conducting plate, second temperature sensor is provided on the radiator;
The central control unit includes microcontroller and the quantity control module identical with the refrigeration unit quantity;It is described micro-
The thermoelectricity system that controller heater element according to the temperature computation of heat-conducting plate that first temperature sensor detects needs
The refrigeration work consumption of cold element, output and the first control signal corresponding to the thermoelectric refrigeration element refrigeration work consumption, the observing and controlling
Module is received the first control signal and the thermoelectric refrigeration element in the refrigeration unit is controlled to be run with the first refrigeration work consumption;Institute
State turning for the wind turbine that microcontroller radiator according to the temperature computation of radiator that second temperature sensor detects needs
Speed, output receive the second control signal and control with the second control signal corresponding to the rotation speed of fan, the control module
The wind turbine in the refrigeration unit is made with the first rotation speed operation;
The radiator is fin radiator, the fin radiator and the side of fin backwards and the thermoelectric refrigeration element
Hot junction connects;
The control module includes:
First signaling conversion circuit, input terminal are connect with the first temperature sensor, and output terminal is connect with the microcontroller;For
It receives the signal of the first temperature sensor output and is exported respectively to the microcontroller after the signal is amplified or is converted;
Second signal conversion circuit, input terminal are connect with second temperature sensor, and output terminal is connect with the microcontroller;For
It receives the signal of second temperature sensor output and is exported respectively to the microcontroller after the signal is amplified or is converted;
Adjustable constant flow source circuit, input terminal connect the microcontroller, and output terminal connects the thermoelectric refrigeration element, according to reception
To come from the microcontroller first control signal export constant current, to the thermoelectric refrigeration element power supply make its with
Certain refrigeration work consumption operation;
Motor-drive circuit, input terminal connect the microcontroller, and output terminal connects the wind turbine;Come from according to what is received
The second control signal of the microcontroller drives the wind turbine with certain rotation speed operation.
2. locomotive electric cad system cabinet cooling device according to claim 1, which is characterized in that the heat-conducting plate is C-shaped, the heat
The cold end of electric cooling module is arranged in the notch of the heat-conducting plate.
3. locomotive electric cad system cabinet cooling device according to claim 1, which is characterized in that the first control signal is 0~
The voltage signal of 5V;The second control signal is pulse width modulating signal.
4. a kind of locomotive electric cad system cabinet, including cabinet and at least one heater element being arranged in the cabinet, on the cabinet
It is provided with cooling device, which is characterized in that the cooling device is any locomotive electric cad system cabinet cooling dresses of claim 1-3
It puts, the refrigeration unit being respectively provided on each heater element in a locomotive electric cad system cabinet cooling device, the refrigeration is single
Heat-conducting plate in member is mounted on the heater element, and the cold end of the thermoelectric refrigeration element in the refrigeration unit is arranged on described
Inside cabinet, the hot junction of the thermoelectric refrigeration element, the radiator being connect with the thermoelectric refrigeration element hot junction and the system
Wind turbine in cold unit is arranged at outside the cabinet.
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CN106255392B (en) * | 2016-09-21 | 2019-11-29 | 珠海格力电器股份有限公司 | The cooling control method of electrical cabinet, device and system |
CN108664053B (en) * | 2017-03-31 | 2020-06-16 | 北京天诚同创电气有限公司 | System and method for controlling temperature of insulated gate bipolar transistor module |
CN108879018B (en) * | 2018-05-11 | 2021-06-22 | 蔚来(安徽)控股有限公司 | Heat dissipation system for mobile charging vehicle, mobile charging vehicle and control method of mobile charging vehicle |
CN108493172A (en) * | 2018-06-08 | 2018-09-04 | 广东工业大学 | A kind of soaking plate heat dissipating device of intelligent control |
CN109257911A (en) * | 2018-10-29 | 2019-01-22 | 上海联影医疗科技有限公司 | Heat transporting device, electric and electronic cabinet and heat transmission method |
CN111447809B (en) * | 2020-05-13 | 2023-10-24 | 珠海格力电器股份有限公司 | Photovoltaic air conditioner, cooling assembly and control method of cooling assembly |
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US6951114B2 (en) * | 2003-07-15 | 2005-10-04 | Weatherford/Lamb, Inc. | Reliable outdoor instrument cooling system |
CN100561392C (en) * | 2009-01-21 | 2009-11-18 | 北京航空航天大学 | A kind of nano-satellite spacing heat sink simulator |
CN203203311U (en) * | 2013-04-22 | 2013-09-18 | 湖南金天钛业科技有限公司 | Semiconductor refrigeration control system for heat dissipation of small size electrical cabinet |
CN204157198U (en) * | 2014-07-16 | 2015-02-11 | 北车大连电力牵引研发中心有限公司 | Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet |
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