CN105407684A - Locomotive electrical cabinet cooling device and locomotive electrical cabinet - Google Patents

Locomotive electrical cabinet cooling device and locomotive electrical cabinet Download PDF

Info

Publication number
CN105407684A
CN105407684A CN201410339602.XA CN201410339602A CN105407684A CN 105407684 A CN105407684 A CN 105407684A CN 201410339602 A CN201410339602 A CN 201410339602A CN 105407684 A CN105407684 A CN 105407684A
Authority
CN
China
Prior art keywords
refrigeration
microcontroller
temperature sensor
cooling device
radiator
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
Application number
CN201410339602.XA
Other languages
Chinese (zh)
Other versions
CN105407684B (en
Inventor
邓然
王延超
鲁振山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Dalian R&D Co Ltd
Original Assignee
CRRC Dalian R&D Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CRRC Dalian R&D Co Ltd filed Critical CRRC Dalian R&D Co Ltd
Priority to CN201410339602.XA priority Critical patent/CN105407684B/en
Publication of CN105407684A publication Critical patent/CN105407684A/en
Application granted granted Critical
Publication of CN105407684B publication Critical patent/CN105407684B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a locomotive electrical cabinet cooling device and a locomotive electrical cabinet. The device comprises a central control unit and at least one refrigeration unit. The refrigeration unit comprises a heat conduction plate, a thermoelectric refrigeration element, a heat radiator, and a blower fan. The heat conduction plate and the heat radiator are respectively provided with a first temperature sensor and a second temperature sensor. The central control unit comprises a microcontroller and a measurement and control module. The microcontroller outputs a first control signal according to the first temperature sensor, and the measurement and control module receives the first control signal and controls the thermoelectric refrigeration element to operate at certain refrigerating power. The microcontroller outputs a second control signal according to the second temperature sensor, and the measurement and control module receives the second control signal and controls the blower fan in the refrigeration unit to operate at a certain speed. The device is better in cooling effect, reduces the size of the electrical cabinet, improves the maintainability, can quickly enable the internal temperature of the electrical cabinet to be reduced to be lower than the environment temperature, and greatly improves the cooling efficiency and speed.

Description

Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet
Technical field
The present invention relates to locomotive electric cad system cabinet cooling technology, particularly relate to a kind of locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet.
Background technology
High power semiconductor component is the important composition of locomotive electrical drive system, and they are installed in regulator cubicle usually.During high power semiconductor component work, the energy of consumption discharges with form of heat, if this part heat is not discharged regulator cubicle in time, so regulator cubicle cannot normally work, and inner member also can be caused time serious to burn.
At present, refrigerant circulation is the Major Cooling Methods of locomotive electric cad system cabinet, this traditional cooling device is made up of water tank, water pump, blower fan, radiator, pipeline etc., refrigerant adopts the mixed liquor of water and ethylene glycol composition usually, be circulated under the effect of water pump in pipeline, refrigerant under the effect of blower fan and radiator rapidly from regulator cubicle absorbed inside heat, be circulated to regulator cubicle outside time, secondary cooling apparatus can cool refrigerant.This kind of cooling device complex structure, and connection sealing requires high, blower fan, radiator and pipeline all need to be arranged on regulator cubicle inside, this design not only increases the volume of regulator cubicle, and the vibrations caused during blower fan work directly affects the stability of regulator cubicle, complicated pipeline also can reduce the maintainability of regulator cubicle.
Summary of the invention
The invention provides a kind of locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet, for overcoming defect of the prior art, improve stability and the energy utilization rate of cooling device, reducing regulator cubicle volume, and improve the maintainability of cooling device.
The invention provides a kind of locomotive electric cad system cabinet cooling device, this cooling device comprises central control unit and at least one refrigeration unit, wherein:
The thermoelectric refrigeration element that described refrigeration unit comprises the heat-conducting plate be arranged on regulator cubicle internal heating element, cold junction is connected with described heat-conducting plate, the radiator be connected with described thermoelectric refrigeration element hot junction and the blower fan arranged near described radiator;
Described heat-conducting plate is provided with the first temperature sensor, described radiator is provided with the second temperature sensor;
Described central control unit comprises the microcontroller control module identical with described refrigeration unit quantity with quantity; The refrigeration work consumption of the thermoelectric refrigeration element that heater element described in the temperature computation of the heat-conducting plate that described microcontroller detects according to described first temperature sensor needs, export and the first control signal corresponding to described thermoelectric refrigeration element refrigeration work consumption, described control module receives this first control signal and the thermoelectric refrigeration element controlled in described refrigeration unit runs with the first refrigeration work consumption; The rotating speed of the blower fan that radiator described in the temperature computation of the radiator that described microcontroller detects according to the second temperature sensor needs, export and the second control signal corresponding to described rotation speed of fan, described control module receive this second control signal and the described blower fan controlled in described refrigeration unit with the first rotation speed operation.
Wherein, described heat-conducting plate is c-shaped, and the cold junction of described thermoelectric refrigeration element is arranged in the notch of described heat-conducting plate.
Further, described radiator is fin radiator, and described fin radiator and fin side is dorsad connected with the hot junction of described thermoelectric refrigeration element.
Wherein, described control module comprises:
First signaling conversion circuit, input is connected with the first temperature sensor, and output is connected with described microcontroller; For receiving signal that the first temperature sensor exports and exporting described microcontroller respectively to after being carried out by this signal amplifying or change;
Secondary signal change-over circuit, input is connected with the second temperature sensor, and output is connected with described microcontroller; For receiving signal that the second temperature sensor exports and exporting described microcontroller respectively to after being carried out by this signal amplifying or change;
Adjustable constant flow source circuit, input connects described microcontroller, output connects described thermoelectric refrigeration element, and the first control signal coming from described microcontroller according to receiving exports constant current, powers make it run with certain refrigeration work consumption to described thermoelectric refrigeration unit;
Motor-drive circuit, input connects described microcontroller, and output connects described blower fan; The second control signal coming from described microcontroller according to receiving drives described blower fan with certain rotation speed operation.
Further, described first control signal is the voltage signal of 0 ~ 5V; Described second control signal is pulse width modulating signal.
The present invention also provides a kind of locomotive electric cad system cabinet, comprise cabinet and be arranged at least one heater element in described cabinet, described cabinet is provided with cooling device, described cooling device is the locomotive electric cad system cabinet cooling device described in above-mentioned any embodiment, each described heater element is all arranged the refrigeration unit in a described locomotive electric cad system cabinet cooling device, heat-conducting plate in described refrigeration unit is arranged on described heater element, the cold junction of the thermoelectric refrigeration element in described refrigeration unit is arranged on described cabinet inside, the hot junction of described thermoelectric refrigeration element, it is outside that blower fan in the radiator be connected with described thermoelectric refrigeration element hot junction and described refrigeration unit is all arranged on described cabinet.
Locomotive electric cad system cabinet cooling device provided by the invention and locomotive electric cad system cabinet, first temperature sensor is arranged on heat-conducting plate, for detecting the temperature of heat-conducting plate, the temperature of the heat-conducting plate that microcontroller detects according to the first temperature sensor also controls the refrigeration work consumption of thermoelectric refrigeration element by control module; Second temperature sensor is installed on a heat sink, for detecting the temperature of radiator, and the temperature of the radiator that microcontroller detects according to the second temperature sensor with the rotating speed being controlled blower fan by control module, and then adjust the air quantity flowing through radiator; Form closed-loop control system by the actuator such as transducer and control module, improve stability and the energy utilization rate of cooling device; The heater element of each regulator cubicle inside is all cooled by a refrigeration unit, and what take is point-to-point refrigeration modes, and cooling effect is better; In addition, in refrigeration unit, only the cold junction of heat-conducting plate and thermoelectric refrigeration element is arranged on regulator cubicle inside, does not comprise moving component, reduce the volume of regulator cubicle, improve maintainability, and provide a good running environment for regulator cubicle, do not affect the operating mode of regulator cubicle internal components; Temperature in regulator cubicle can be reduced to below ambient temperature by thermoelectric refrigeration element fast, and relative to cooling device of the prior art, cooling effectiveness and speed improve all greatly.
Accompanying drawing explanation
The structural representation of the locomotive electric cad system cabinet cooling device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of central control unit;
Fig. 3 is the control flow schematic diagram of central control unit;
The structural representation of the locomotive electric cad system cabinet that Fig. 4 provides for the embodiment of the present invention.
Embodiment
As Figure 1-3, the invention provides a kind of locomotive electric cad system cabinet cooling device, this cooling device comprises central control unit 1 and at least one refrigeration unit 2, wherein: the thermoelectric refrigeration element 22 that refrigeration unit 2 comprises the heat-conducting plate 21 be arranged on regulator cubicle internal heating element 100,22a cold junction is connected with heat-conducting plate 21, the radiator 23 be connected with thermoelectric refrigeration element hot junction 22b and the blower fan 24 arranged near radiator; Heat-conducting plate 21 is provided with the first temperature sensor 10, radiator 23 is provided with the second temperature sensor 20; Central control unit 1 comprises microcontroller 11 control module identical with refrigeration unit 2 with quantity 12; Each control module 12 controls a refrigeration unit 2; The refrigeration work consumption of the thermoelectric refrigeration element 22 of the temperature computation heater element needs of the heat-conducting plate 21 that microcontroller 11 detects according to the first temperature sensor 10, export and the first control signal corresponding to thermoelectric refrigeration element 22 refrigeration work consumption, control module 12 receives this first control signal and the thermoelectric refrigeration element 22 controlled in refrigeration unit 2 runs with the first refrigeration work consumption; The air quantity of temperature computation radiator 23 needs of the radiator 23 that microcontroller 11 detects according to the second temperature sensor 20, and the rotating speed of blower fan 24 is calculated according to this air volume meter, export and the second control signal corresponding to blower fan 24 rotating speed, control module 12 receive this second control signal and the blower fan 24 controlled in refrigeration unit 2 with the first rotation speed operation.
Locomotive electric cad system cabinet cooling device provided by the invention, first sensor 10 is arranged on heat-conducting plate 21, for detecting the temperature of heat-conducting plate 21, the temperature of the heat-conducting plate 21 that microcontroller 11 detects according to the first temperature sensor 10 also controls the refrigeration work consumption of thermoelectric refrigeration element by control module 12; Second temperature sensor 20 is arranged on radiator 23, for detecting the temperature of radiator 23, the temperature of the radiator 23 that microcontroller 11 detects according to the second transducer 20, calculate the air quantity needed for radiator 23, and then pass through the rotating speed of this Wind Coverage Calculation blowing machine 24, controlled the rotating speed of blower fan by control module 12, and then the air quantity of radiator is flow through in adjustment; Form closed-loop control system by actuators such as the first temperature sensor 10, second temperature sensor 20 and control modules 12, improve stability and the energy utilization rate of cooling device; The heater element of each regulator cubicle inside is all cooled by a refrigeration unit, what take is point-to-point refrigeration modes, jointly utilize the line of a refrigeration unit to the refrigeration modes of point relative to the inner several heater element of regulator cubicle in prior art, cooling effect is better.
The principle of thermoelectric cooling is as follows: interconnect with two kinds of different wires, form a closed circuit, two tie points are placed on two different places of temperature respectively, will produce an electrical potential difference and contact electromotive force between two tie points.Just there is electric current to pass through in closed circuit simultaneously.Conversely, the logical direct current of the closed circuit be interconnected to form by two kinds of different metal wires, can produce the tie point of two different temperatures.As long as pass to direct current, will be one of them tie point heating, another tie point turns cold.Here it is peltier effect, also known as difference of temperature.Producing cold junction is exactly the refrigeration that we need.
Thermoelectric refrigeration element 22 can adopt the general thermoelectric cooling device on market, wherein adopt the thermoelectric refrigeration element be made up of N type semiconductor and P type semiconductor in the present embodiment, with metal, N type semiconductor and P type semiconductor are connected into a loop, metal only plays conduction.When electric current flows to P type semiconductor by N type semiconductor, the heat of P end can be taken to N end, and the transmission speed of heat increases with the rising of electric current.
A central control unit 1 is equipped with a microcontroller 11 and a personal-machine interface 13, and the quantity of control module 12 is identical with the quantity of refrigeration unit 2.Microcontroller 11 is cores of central control unit 1, control module 12 and man-machine interface 13 can be sent to microcontroller 11 the information collected, these information formation control instruction after microcontroller 11 calculates and processes (comprising the first control signal and the second control signal), control module 12 receives and performs the control command that microcontroller sends, and drives thermoelectric refrigeration element 22 and blower fan 24 to run.Man-machine interface provides the mutual friendship of user and regulator cubicle refrigerating plant, and user can observe the running status of refrigerating plant by man-machine interface.Microcontroller 11 can be single-chip microcomputer, and control module 12 can be integrated circuit.
As the improvement of above-described embodiment, as shown in Figure 1, heat-conducting plate 21 is c-shaped, and the cold junction 22a of thermoelectric refrigeration element is arranged in the notch of heat-conducting plate 21.This kind of heat-conducting plate structure, installation for thermoelectric refrigeration element 22 provides a notch, a part for thermoelectric refrigeration element can be embedded in this notch, reduce and take up room, in addition, this notch arrangement arranges the contact area adding thermoelectric refrigeration element cold junction 22a and heat-conducting plate 21, improves heat transfer rate.
As shown in Figure 1, radiator 23 is fin radiator, and fin radiator and fin 23a side is dorsad connected with the hot junction 22a of thermoelectric refrigeration element.Fin radiator is dispelled the heat by air dielectric, be easy to install and cost is lower, heat is dispersed in air finally by fin 23a, finally by blower fan 24 accelerate air flowing, distribute heat to the external world.
In above-described embodiment, control module 12 comprises:
First signaling conversion circuit 121, input is connected with the first temperature sensor 10, and output is connected with microcontroller 11; For receiving signal that the first temperature sensor 10 exports and exporting microcontroller 11 respectively to after being carried out by this signal amplifying or change; First temperature sensor 10 is thermocouple type or thermoelectricity resistance type normally, if thermocouple type selected by the first temperature sensor 10, what then the first temperature sensor 10 exported is weak electrical potentials difference signal, first signaling conversion circuit 121 selects amplifying circuit and cold junction compensation circuit amplify potential difference and compensate, and eventually to microcontroller 11 input is voltage signal; If thermoelectricity resistance type selected by the first temperature sensor 10, what then the first temperature sensor 10 exported is the variable quantity of resistance value, first signaling conversion circuit 121 selects bridge circuit to show with the form of change in voltage change in resistance amount, and eventually to microcontroller 11 input is also voltage signal;
Secondary signal change-over circuit 122, input is connected with the second temperature sensor 20, and output is connected with microcontroller 11; For receiving signal that the second temperature sensor 20 exports and exporting microcontroller 11 respectively to after being carried out by this signal amplifying or change; Second temperature sensor 20 type selecting is identical with the first temperature sensor 10, secondary signal change-over circuit 122 is also similar with the first signaling conversion circuit 121, when thermocouple type selected by the second temperature sensor 20, then secondary signal change-over circuit 122 is for amplifying compensating circuit, when thermoelectricity resistance type selected by the second temperature sensor 20, then secondary signal change-over circuit 122 is bridge circuit;
After microcontroller 11 receives the voltage signal of the first signaling conversion circuit 121 output, analog-to-digital conversion is carried out to this voltage signal, this voltage signal is converted to digital signal, and calculate according to pre-set programs, obtain voltage control signal after finally carrying out digital-to-analogue conversion again, this voltage control signal is exactly the first control signal;
After microcontroller 11 receives the voltage signal of secondary signal change-over circuit 121 output, analog-to-digital conversion is carried out to this voltage signal, this voltage signal is converted to digital signal, and calculate according to pre-set programs, output pulse width modulation signal, this pulse width modulating signal is exactly the second control signal; Microcontroller 11 can adopt the single-chip microcomputer with analog-to-digital conversion and analog conversion function, or adopts the chip with corresponding function;
Adjustable constant flow source circuit 123, input connects microcontroller 11, output connects thermoelectric refrigeration element 22, and the first control signal coming from microcontroller 11 according to receiving exports constant current, makes it run with certain refrigeration work consumption to thermoelectric refrigeration unit 22 power supply; Adjustable constant flow source circuit for driving thermoelectric refrigeration element, and adjusts the size of electric current according to the size of the voltage control signal of input, thus adjustment refrigeration work consumption;
Motor-drive circuit 124, input connects microcontroller 11, output connecting fan 24; The second control signal coming from microcontroller 11 according to receiving drives blower fan 21 with certain rotation speed operation.The pulse-width signal that motor-drive circuit sends according to microcontroller, regulates rotation speed of fan, thus regulates the air quantity flowing through fin radiator.Adjustable constant flow source circuit 123 adopts existing constant-current source circuit, and motor-drive circuit 124 adopts existing direct current motor drive circuit.The first control signal in above-described embodiment is the voltage signal of 0 ~ 5V; Second control signal is pulse width modulating signal.
The input of the first temperature sensor 10 and the output of adjustable constant flow source circuit constitute a closed loop control process, and the control algolithm of microcontroller can regulate this process accurately.
Blower fan 24 is driven by the motor-drive circuit 124 of control module, and microcontroller 11 regulates blower fan 24 rotating speed by the pulse-width signal exported, and namely regulates air quantity.When fin radiator temperature is too high, needs to improve air quantity, when temperature is low, can air quantity be reduced.This is the closed loop control process regulated by microcontroller 11 internal algorithm equally.
Above-mentioned two closed loop control process not only increase stability and the reliability of system, and reach energy demand assigned object, ensure that the efficient energy-saving of system.
Each control module comprises four measuring control points, and be the output current of the temperature of heat-conducting plate 21, the temperature of fin radiator, blower fan 24 rotating speed and adjustable constant flow source circuit 123 respectively, this user observes by the man-machine interface 13 of central control unit 1.
Originally be that embodiment also provides a kind of locomotive electric cad system cabinet, as shown in Figure 4, at least one heater element 100 comprising cabinet 200 and be arranged in cabinet 200, cabinet 200 is provided with cooling device, cooling device is the locomotive electric cad system cabinet cooling device of above-mentioned any embodiment, each heater element 100 is all arranged the refrigeration unit in a locomotive electric cad system cabinet cooling device, heat-conducting plate 21 in refrigeration unit is arranged on heater element 100, the cold junction 22a of the thermoelectric refrigeration element 22 in refrigeration unit is arranged on cabinet 200 inside, the hot junction 22b of thermoelectric refrigeration element 22, it is outside that blower fan 24 in the radiator 23 be connected with thermoelectric refrigeration element hot junction 22b and refrigeration unit is all arranged on cabinet 200.
Except thermoelectric refrigeration element 22, do not need regulator cubicle other parts and heat exchange with outside, therefore the inside of regulator cubicle cabinet 200 is provided with heat insulation layer 300.
Each regulator cubicle only needs a central control unit 1, Fig. 4 to suppose to have installed 3 heater elements in regulator cubicle, therefore needs three refrigeration units and three control modules 12.
With reference to figure 4, the cold junction 22a of heat-conducting plate 21 and thermoelectric refrigeration element is arranged in regulator cubicle, and heater element 100 is arranged on heat-conducting plate 21, if heater element 100 cannot with heat-conducting plate 21 good contact, then need to increase other heat conduction link.Can according to the layout of electric component, the position of adjustment refrigeration unit and quantity, thus reach best radiating effect.
With reference to figure 1 and Fig. 4, the heat that heater element 100 produces is passed to heat-conducting plate 21, and thermoelectric refrigeration element cold junction 22a absorbs the heat of heat-conducting plate 21, and is passed to its hot junction 22b, and by this process, the heat of cabinet 200 inside is reached outside.Thermoelectric refrigeration element hot junction 22b is arranged on regulator cubicle outside, and after the fin radiator absorption heat on its top, under the effect of blower fan 24, air takes away heat through fin, thus cools hot junction 22b.By above-mentioned two heat transfer process, cabinet 200 internal-internal heat has been discharged in air.
In refrigeration unit, only the cold junction of heat-conducting plate and thermoelectric refrigeration element is arranged on regulator cubicle inside, do not comprise moving component, reduce the volume of regulator cubicle, improve maintainability, and provide a good running environment for regulator cubicle, do not affect the operating mode of regulator cubicle internal components; Temperature in regulator cubicle can be reduced to below ambient temperature by thermoelectric refrigeration element fast, and relative to cooling device of the prior art, cooling effectiveness and speed improve all greatly.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (6)

1. a locomotive electric cad system cabinet cooling device, is characterized in that, this cooling device comprises central control unit and at least one refrigeration unit, wherein:
The thermoelectric refrigeration element that described refrigeration unit comprises the heat-conducting plate be arranged on regulator cubicle internal heating element, cold junction is connected with described heat-conducting plate, the radiator be connected with described thermoelectric refrigeration element hot junction and the blower fan arranged near described radiator;
Described heat-conducting plate is provided with the first temperature sensor, described radiator is provided with the second temperature sensor;
Described central control unit comprises the microcontroller control module identical with described refrigeration unit quantity with quantity; The refrigeration work consumption of the thermoelectric refrigeration element that heater element described in the temperature computation of the heat-conducting plate that described microcontroller detects according to described first temperature sensor needs, export and the first control signal corresponding to described thermoelectric refrigeration element refrigeration work consumption, described control module receives this first control signal and the thermoelectric refrigeration element controlled in described refrigeration unit runs with the first refrigeration work consumption; The rotating speed of the blower fan that radiator described in the temperature computation of the radiator that described microcontroller detects according to the second temperature sensor needs, export and the second control signal corresponding to described rotation speed of fan, described control module receive this second control signal and the described blower fan controlled in described refrigeration unit with the first rotation speed operation.
2. locomotive electric cad system cabinet cooling device according to claim 1, it is characterized in that, described heat-conducting plate is c-shaped, and the cold junction of described thermoelectric refrigeration element is arranged in the notch of described heat-conducting plate.
3. locomotive electric cad system cabinet cooling device according to claim 1 and 2, is characterized in that, described radiator is fin radiator, and described fin radiator and fin side is dorsad connected with the hot junction of described thermoelectric refrigeration element.
4. locomotive electric cad system cabinet cooling device according to claim 3, it is characterized in that, described control module comprises:
First signaling conversion circuit, input is connected with the first temperature sensor, and output is connected with described microcontroller; For receiving signal that the first temperature sensor exports and exporting described microcontroller respectively to after being carried out by this signal amplifying or change;
Secondary signal change-over circuit, input is connected with the second temperature sensor, and output is connected with described microcontroller; For receiving signal that the second temperature sensor exports and exporting described microcontroller respectively to after being carried out by this signal amplifying or change;
Adjustable constant flow source circuit, input connects described microcontroller, output connects described thermoelectric refrigeration element, and the first control signal coming from described microcontroller according to receiving exports constant current, powers make it run with certain refrigeration work consumption to described thermoelectric refrigeration unit;
Motor-drive circuit, input connects described microcontroller, and output connects described blower fan; The second control signal coming from described microcontroller according to receiving drives described blower fan with certain rotation speed operation.
5. locomotive electric cad system cabinet cooling device according to claim 4, is characterized in that, described first control signal is the voltage signal of 0 ~ 5V; Described second control signal is pulse width modulating signal.
6. a locomotive electric cad system cabinet, comprise cabinet and be arranged at least one heater element in described cabinet, described cabinet is provided with cooling device, it is characterized in that, described cooling device is the arbitrary described locomotive electric cad system cabinet cooling device of the claims 1-5, each described heater element is all arranged the refrigeration unit in a described locomotive electric cad system cabinet cooling device, heat-conducting plate in described refrigeration unit is arranged on described heater element, the cold junction of the thermoelectric refrigeration element in described refrigeration unit is arranged on described cabinet inside, the hot junction of described thermoelectric refrigeration element, it is outside that blower fan in the radiator be connected with described thermoelectric refrigeration element hot junction and described refrigeration unit is all arranged on described cabinet.
CN201410339602.XA 2014-07-16 2014-07-16 Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet Active CN105407684B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410339602.XA CN105407684B (en) 2014-07-16 2014-07-16 Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410339602.XA CN105407684B (en) 2014-07-16 2014-07-16 Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet

Publications (2)

Publication Number Publication Date
CN105407684A true CN105407684A (en) 2016-03-16
CN105407684B CN105407684B (en) 2018-07-06

Family

ID=55472851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410339602.XA Active CN105407684B (en) 2014-07-16 2014-07-16 Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet

Country Status (1)

Country Link
CN (1) CN105407684B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106255392A (en) * 2016-09-21 2016-12-21 珠海格力电器股份有限公司 The cooling control method of regulator cubicle, device and system
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
CN108664053A (en) * 2017-03-31 2018-10-16 北京天诚同创电气有限公司 System and method for controlling IGBT module temperature
CN108879018A (en) * 2018-05-11 2018-11-23 蔚来汽车有限公司 For the cooling system of movable charging vehicle, movable charging vehicle and its control method
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
CN111447809A (en) * 2020-05-13 2020-07-24 珠海格力电器股份有限公司 Photovoltaic air conditioner, cooling assembly and control method of cooling assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050011199A1 (en) * 2003-07-15 2005-01-20 Grisham John N. Reliable outdoor instrument cooling system
CN101477382A (en) * 2009-01-21 2009-07-08 北京航空航天大学 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050011199A1 (en) * 2003-07-15 2005-01-20 Grisham John N. Reliable outdoor instrument cooling system
CN101477382A (en) * 2009-01-21 2009-07-08 北京航空航天大学 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

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106255392A (en) * 2016-09-21 2016-12-21 珠海格力电器股份有限公司 The cooling control method of regulator cubicle, device and system
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
US10966346B2 (en) 2016-09-21 2021-03-30 Gree Electric Appliances, Inc. Of Zhuhai Method, device and system for controlling heat dissipation of electrical cabinet
CN108664053A (en) * 2017-03-31 2018-10-16 北京天诚同创电气有限公司 System and method for controlling IGBT module temperature
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
CN108879018A (en) * 2018-05-11 2018-11-23 蔚来汽车有限公司 For the cooling system of movable charging vehicle, movable charging vehicle and its control method
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
CN111447809A (en) * 2020-05-13 2020-07-24 珠海格力电器股份有限公司 Photovoltaic air conditioner, cooling assembly and control method of cooling assembly
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

Also Published As

Publication number Publication date
CN105407684B (en) 2018-07-06

Similar Documents

Publication Publication Date Title
CN204157198U (en) Locomotive electric cad system cabinet cooling device and locomotive electric cad system cabinet
CN105407684A (en) Locomotive electrical cabinet cooling device and locomotive electrical cabinet
US20120125022A1 (en) Cooling system
CN104089328B (en) Air-conditioning system and the method that air-conditioning system is controlled
CN104329156B (en) Engine-motor integral cooling device for hybrid electric vehicle and hybrid electric vehicle
CN203194078U (en) Heat dissipation device
CN109195419A (en) Air conditioner electrical box and its radiator
CN109441740A (en) Cooling system, wind generating set and control method of cooling system
CN104035459A (en) Frequency converter and method for controlling temperature of frequency converter
CN104503508A (en) Temperature control system and temperature control method of solar cell test bed
CN103419596B (en) Small-size refrigerating and heating device for automobile
CN103225861B (en) Cold and hot amount storage type solar airconditioning system
CN102692113A (en) Humidity adjusting method and device for semiconductor refrigeration box
CN109805756A (en) A kind of control method of quickly cooling water dispenser
CN203068872U (en) Semiconductor auxiliary refrigerating system
CN103227411B (en) A kind of distinguished and admirable pair causes constant temperature laser and constant temperature method thereof
CN104626925A (en) Heat management system of electric vehicle
CN106440599A (en) Liquid cooling temperature control system allowing wide temperature range natural cooling
CN206231187U (en) High efficiency smart heat pump type air conditioning system used for electric vehicle
CN111550949B (en) Cost-reducing, efficient and energy-saving laboratory system of air source heat pump unit
CN205092761U (en) Water cooling system of converter
CN202306359U (en) Working temperature regulating and controlling circuit device of outdoor cabinet
CN203449882U (en) Vehicle small-type refrigerating and heating device
CN109458311B (en) Water cooling system and water temperature control method thereof, three-way valve and control method thereof
CN203242916U (en) Air-cooling device for laser device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant