CN206042651U - Electric multiple unit traction current transformation ware intelligent cooling system - Google Patents
Electric multiple unit traction current transformation ware intelligent cooling system Download PDFInfo
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- CN206042651U CN206042651U CN201621025846.1U CN201621025846U CN206042651U CN 206042651 U CN206042651 U CN 206042651U CN 201621025846 U CN201621025846 U CN 201621025846U CN 206042651 U CN206042651 U CN 206042651U
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- radiator
- monitoring
- cooling
- air
- cooling system
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an electric multiple unit traction current transformation ware intelligent cooling system, include: the installation the heat source component's that the traction current transformation ware includes a radiator and set up the secondary cooling device in the equipment compartment, coolant liquid by a radiator outflow is taken away the heat that heat source component produced, secondary cooling device includes: secondary radiator with a radiator by freezing liquid circulation pipeline intercommunication, coolant liquid circulation pipeline includes feed liquor pipeline and liquid outlet pipe, install the last pump of liquid outlet pipe, by the coolant liquid of a radiator outflow gets into via liquid outlet pipe and pump the secondary radiator, the heat is followed to the secondary radiator the coolant liquid is transmitted for cooling air, behind the coolant liquid release heat, via the feed liquor pipeline return to a radiator, the utility model discloses the convenience is adjusted to the intensity of cooling, energy efficiency is high.
Description
Technical field
This utility model is related to technical field of heat exchange, specially a kind of electric rail car group traction convertor intelligence cooling system
System.
Background technology
At present, the intelligent cooling technology for 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 under the car of the electric rail car group cooling system adopted by equipment compartment endogenous pyrogen, energy profit
With inefficient defect；Some are applied to cooling system such as tractive transformer cooling system, the traction current 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, cooling system at low ambient temperatures or
Undercooling under partial load condition, consumes unnecessary auxiliary power, causes energy waste, and economy is bad, while noise
It is high.
The content of the invention
Proposition of this utility model for problem above, and develop that a kind of intensity of cooling is easy to adjust, efficiency of energy utilization
High electric rail car group traction convertor Intelligence Cooling System.
Technological means of the present utility model are as follows：
A kind of electric rail car group traction convertor Intelligence Cooling System, the electric rail car group has equipment compartment, described to lead
Draw current transformer to be arranged in equipment compartment, the cooling system includes：Heat source component included by the traction convertor is installed
Radiator and the secondary cooling apparatus being arranged in the equipment compartment；The coolant flowed out by a radiator
Take away the heat that the heat source component is produced；The secondary cooling apparatus include：
The secondary radiator connected by coolant circulation line with a radiator；The coolant circulation line
Including water influent pipeline and drain pipe road；
Pump on the drain pipe road；By the coolant of radiator outflow via drain pipe road and pump
Into the secondary radiator；Heat is passed to cooling air from the coolant by the secondary radiator；The coolant
After release heat, a radiator is back to via the water influent pipeline；
Further, the equipment compartment possesses the first air filter being arranged on equipment compartment side skirt；It is described secondary
Radiator has inlet side and air side；The secondary cooling apparatus also include：
The inlet channel being arranged between first air filter and the secondary radiator inlet side；
And it is arranged on the least one set blower fan of the secondary radiator air side；
Further, the assembling is in the fan box with air inlet and air outlet；The cooling twice dress
Put the hot gas re-flow device for also including being arranged on the air box body sidewall；The hot gas re-flow device includes：With the wind
Air return pipeline and the distribution lines connected with air return pipeline and equipment compartment setting position that cabinet bulk is connected；By wind
The hot-air flowed out in cabinet bulk is back to the equipment compartment setting position through the air return pipeline and distribution lines；It is described
Air return pipeline is provided with electric control valve；
In addition, the cooling system also includes：Coolant clarifier in the water influent pipeline and with go out liquid
The expansion tank that pipeline is connected；
Further, the secondary cooling apparatus also include being arranged on the second air mistake of the secondary radiator inlet side
Filter；
Further, a radiator adopts liquid cooling base；The liquid cooling base possesses the inner chamber filled with coolant；
Further, it is empty to control to be back to the heat of equipment compartment setting position by the aperture of the regulation electric control valve
Throughput, and then cause temperature in equipment compartment to be not less than in preset temperature and equipment compartment pressure to be in pre-set pressure range；
In addition, the cooling system also includes real-time monitoring subsystem, the real-time monitoring subsystem at least includes：
For monitoring the power monitoring module of the traction convertor input power；
For monitoring the first temperature monitoring module of the cooling air inlet temperature of the secondary radiator；
For monitoring the first flow monitoring module of the cooling air inlet flow velocity of the secondary radiator；
For monitoring the second temperature monitoring modular of the coolant inlet temperature of a radiator；
With the 3rd temperature monitoring module of the coolant inlet temperature for being used for monitoring the secondary radiator；
In addition, the real-time monitoring subsystem also includes：
For monitoring the first pressure monitoring modular of the cooling air inlet pressure of the secondary radiator；
For monitoring the second pressure monitoring modular of the coolant inlet pressure of a radiator；
For the 4th temperature monitoring module of temperature in monitoring device cabin；
For the 3rd pressure monitoring module of pressure in monitoring device cabin；
For monitoring the 5th temperature monitoring module of the cooling liquid outlet temperature of a radiator；
For monitoring the 4th pressure monitoring module of the cooling liquid outlet pressure of a radiator；
For monitoring the 6th temperature monitoring module of the hot air outlet temperature of the hot gas re-flow device；
For monitoring the 5th pressure monitoring module of the hot air outlet pressure of the hot gas re-flow device；
For monitoring the second flow speed monitoring modular of the hot air outlet flow velocity of the hot gas re-flow device；
For monitoring the test module of the blower fan electric current, voltage and power；
And for monitoring the rotation speed monitoring module of the rotation speed of fan.
As a result of above-mentioned technical proposal, the electric rail car group traction convertor intelligence cooling system that this utility model is provided
System, from the system integration and overall angle, plans as a whole heat and the relation between thermal source, car load, using Comprehensive Control and system administration
Mode, the cooling system each part related to heat transfer is integrated into into an effective system, control and optimizes heat transfer mistake
Journey, it is ensured that the safe and highly efficient operation of each critical component and cooling system, is easy to manage perfectly and reasonably utilizes heat energy；It is easy to
According to the running environment and operating mode of electric rail car group, dynamic regulation rotation speed of fan and cooling air delivery, and then it is strong to control cooling
Degree, it is to avoid sub-cooled；Intelligence Cooling System described in the utility model can reduce auxiliary power consumption, improve radiating efficiency and
Efficiency of energy utilization, economy are relatively preferable, can reduce noise, reduce the pollution of Noise upon Environment, improve EMUs passenger
Comfortableness；In addition, Intelligence Cooling System described in the utility model can realize the dynamic regulation of equipment compartment ambient temperature under car,
Adaptability of the serviceability and vehicle of raising equipment below deck equipment to environment, meets electric rail car group energy-saving and environmental protection
With the requirement of safety.
Description of the drawings
Fig. 1 is the structural representation of Intelligence Cooling System described in the utility model；
Fig. 2 is the structured flowchart of real-time monitoring subsystem described in the utility model；
In figure：1st, equipment compartment, 2, traction convertor, 3, heat source component, 4, radiator, 5, secondary radiator, 6, enter
Liquid pipeline, 7, drain pipe road, 8, pump, 9, side skirt, the 10, first air filter, 11, inlet channel, 12, blower fan, 13, blower fan
Casing, 14, air inlet, 15, air outlet, 16, hot gas re-flow device, 17, air return pipeline, 18, distribution lines, 19, equipment compartment sets
Positioning puts place, and 20, electric control valve, 21, coolant clarifier, 22, expansion tank, the 23, second air filter.
Specific embodiment
A kind of electric rail car group traction convertor Intelligence Cooling System as depicted in figs. 1 and 2, the electric rail car group tool
There is equipment compartment 1, the traction convertor 2 is arranged in equipment compartment 1, and the cooling system includes：The traction convertor 2 is installed
Radiator 4 of included heat source component 3, and the secondary cooling apparatus that are arranged in the equipment compartment 1；By described one
The coolant that secondary radiator 4 flows out takes away the heat of the generation of the heat source component 3；The secondary cooling apparatus include：With it is described
The secondary radiator 5 that radiator 4 is connected by coolant circulation line；The coolant circulation line includes water influent pipeline
6 and drain pipe road 7；Pump 8 on the drain pipe road 7；The coolant flowed out by a radiator 4 is via going out liquid
Pipeline 7 and pump 8 enter the secondary radiator 5；It is empty that heat is passed to cooling from the coolant by the secondary radiator 5
Gas；After the coolant release heat, a radiator 4 is back to via the water influent pipeline 6；Further, it is described
Equipment compartment 1 possesses the first air filter 10 being arranged on 1 side skirt 9 of equipment compartment；The secondary radiator 5 has inlet side
And air side；The secondary cooling apparatus also include：It is arranged on first air filter 10 and the secondary radiator 5 enters
Inlet channel 11 between wind side；And it is arranged on the least one set blower fan 12 of 5 air side of secondary radiator；Further
Ground, the blower fan 12 are arranged in the fan box 13 with air inlet 14 and air outlet 15；The secondary cooling apparatus are also wrapped
Include the hot gas re-flow device 16 being arranged on 13 side wall of the fan box；The hot gas re-flow device 16 includes：With the wind
Air return pipeline 17 that cabinet bulk 13 is connected, and the distributor pipe that connects with air return pipeline 17 and equipment compartment setting position 19
Road 18；The equipment compartment is back to by the hot-air flowed out in fan box 13 through the air return pipeline 17 and distribution lines 18
Setting position 19；The air return pipeline 17 is provided with electric control valve 20；In addition, the cooling system also includes：Installed in institute
State the coolant clarifier 21 in water influent pipeline 6, and the expansion tank 22 that is connected with drain pipe road 7；The cooling twice dress
Putting also includes the second air filter 23 for being arranged on 5 inlet side of secondary radiator；Radiator 4 is cold using liquid
Substrate；The liquid cooling base possesses the inner chamber filled with coolant；Further, the cooling system also includes Based Intelligent Control subsystem
System, the Based Intelligent Control subsystem 12 rotating speed of the blower fan is divided into [0, n1, n2 ..., ni ..., ne] multiple rotating speed levels
Not, i values be 0,1,2 ..., e；Further, the Based Intelligent Control subsystem is using default cooling effect as qualificationss,
In operational factor, the running parameter of the traction convertor 2 and equipment compartment 1 according to the electric rail car group, environmental condition is adjusting
12 rotating speed of the blower fan is saved in a certain speed level, and then realizes the control to the cooling air delivery；Further
Ground, the Based Intelligent Control subsystem obtain the 12 rotating speed ni of blower fan under i operating modes by following process：Obtained using first kind of way
12 rotating speed ni ' of blower fan under i operating modes, the first kind of way are as follows：1. institute under i operating modes is drawn by formula Q=N × (1- η)
State heat dissipation capacity Q needed for traction convertor 2；Wherein, N represents that the input power of the traction convertor 2, η represent i works under i operating modes
The efficiency of the traction convertor 2 under condition；2. by formula Q=ε × Wa × (ta1-tw1) and formula W a=Va1 × ρ a1 ×
Cpa1 draws the cooling air inlet flow velocity Va1 under i operating modes needed for the secondary radiator 5；Wherein, ε represents described under i operating modes
The heat transfer efficiency of cooling system, Wa represent that the minimum thermal capacity of the cooling system, ta1 are represented described two under i operating modes under i operating modes
The cooling air inlet temperature of secondary radiator 5, tw1 represent the coolant inlet temperature of the secondary radiator 5, ρ a1 under i operating modes
Represent that the cooling air inlet density of the secondary radiator 5, Cpa1 represent the secondary radiator 5 under i operating modes under i operating modes
Cooling air inlet specific heat at constant pressure；3. the 12 rotating speed ni ' of blower fan under i operating modes is obtained by formula ni '=Va1/Vae × ne；Its
In, Vae represents that the cooling air inlet flow velocity of the secondary radiator 5, ne represent blower fan 12 under declared working condition under declared working condition
Rotating speed；12 rotating speed ni of blower fan under i operating modes is obtained using the second way ", the second way is as follows：1. according to formula Ps
=A1 × V2+ B1 × V+C1 draws 12 total static pressure Ps of required blower fan；Wherein, A1, B1, C1 are setting constant, and V is compressor flow；
2. according to formula Ps=A2 × Va1B2Draw the cooling air inlet flow velocity Va1 needed for the secondary radiator 5 under i operating modes；Its
In, A2, B2 are setting constant；3. by formula ni "=Va1/Vae × ne obtains the 12 rotating speed ni of blower fan under i operating modes "；Wherein,
Vae represents that the cooling air inlet flow velocity of the secondary radiator 5, ne represent 12 turns of blower fan under declared working condition under declared working condition
Speed；The 12 rotating speed ni of blower fan that 12 rotating speed ni ' of blower fan that relatively first kind of way is obtained, the second way are obtained ", by 12 turns of blower fan
The greater in fast ni ' and 12 rotating speed ni of blower fan " is used as the 12 rotating speed ni of blower fan under i operating modes；Further, it is described by adjusting
The aperture of electric control valve 20 is controlling to be back to the hot air flowrate of equipment compartment setting position 19, and then causes in equipment compartment 1
Temperature is not less than pressure in preset temperature and equipment compartment 1 and is in pre-set pressure range；In addition, the cooling system also includes
Real-time monitoring subsystem, the real-time monitoring subsystem at least include：For monitoring the power of 2 input power of the traction convertor
Monitoring modular；For monitoring the first temperature monitoring module of the cooling air inlet temperature of the secondary radiator 5；For monitoring
First flow monitoring module of the cooling air inlet flow velocity of the secondary radiator 5；For monitoring a radiator 4
The second temperature monitoring modular of coolant inlet temperature；With for monitoring the coolant inlet temperature of the secondary radiator 5
3rd temperature monitoring module；In addition, the real-time monitoring subsystem also includes：For monitoring the cooling of the secondary radiator 5
The first pressure monitoring modular of air inlet pressure；For monitoring the second of the coolant inlet pressure of a radiator 4
Pressure monitoring module；For the 4th temperature monitoring module of temperature in monitoring device cabin 1；For pressure in monitoring device cabin 1
3rd pressure monitoring module；For monitoring the 5th temperature monitoring module of the cooling liquid outlet temperature of a radiator 4；With
In the 4th pressure monitoring module of the cooling liquid outlet pressure for monitoring a radiator 4；For monitoring the hot gas re-flow
6th temperature monitoring module of the hot air outlet temperature of device 16；Hot-air for monitoring the hot gas re-flow device 16 goes out
5th pressure monitoring module of mouth pressure；For monitoring the second flow speed of the hot air outlet flow velocity of the hot gas re-flow device 16
Monitoring modular；For monitoring the test module of 12 electric current of the blower fan, voltage and power；And for monitoring 12 turns of the blower fan
The rotation speed monitoring module of speed.After cooling air described in the utility model is via the first air filter 10, by inlet channel 11
Secondary radiator 5 is entered by inlet side with the second air filter 23, forms hot-air after heat exchange being carried out with the coolant,
The hot-air flows into fan box 13, a part of going out through fan box 13 by the air inlet 14 of air side and fan box 13
Flow out behind air port 15, and finally flow to atmospheric environment, another part is back to equipment compartment by hot gas re-flow device 16 and sets position
Put place 19；The default cooling effect can refer to that coolant inlet temperature tw2 of a radiator 4 is not more than setting value tw2e；
The preset temperature can be with value as 25 DEG C；The pre-set pressure range can be with value as 0～500Pa；The coolant can be with
For water, when coolant is water, the liquid cooling base adopts water-cooling base plate；Heat source component 3 included by traction convertor 2 includes
Commutator, inverter constant power module；The real-time monitoring system is also included for monitoring each power model input and output electric current
Current monitoring module, and the voltage monitoring module for monitoring each power model input and output voltage；The expansion tank 22 has
Liquid level controller；The power monitoring module can adopt electric power measurement analyser；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 can adopt temperature sensor；The first pressure monitoring modular, second pressure monitoring modular, the 3rd pressure monitoring mould
Block, the 4th pressure monitoring module and the 5th pressure monitoring module can adopt pressure transducer；The first flow monitoring module,
Second flow speed monitoring modular adopts current meter；The test module can adopt electrical power measuring and analysing meter；The rotation speed monitoring
Module can adopt speed probe；The real-time monitoring subsystem is also included to flowing through the cooling after the first air filter 10
Temperature sensor that air themperature is monitored, to flowing through what the cooling air pressure after the first air filter 10 was monitored
Pressure transducer, it is arranged on temperature sensor and pressure transducer in equipment compartment 1 near capital equipment；It is described in the utility model
Expansion tank 22 can be used for the aerofluxuss of the supplement of coolant and secondary radiator 5, specifically, the inlet of pump 8 and the expansion tank
22 are connected, and secondary radiator 5 connects the expansion tank 22 by an exhaustor.
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
Expression flows through the cooling air temperature after the first air filter 10, and Pa1 represents the cooling air inlet of the secondary radiator 5
Pressure, ta1 represent the cooling air inlet temperature of the secondary radiator 5, and Va1 represents that the cooling of the secondary radiator 5 is empty
Gas inlet velocity, Pa2 represent the hot air outlet pressure of hot gas re-flow device 16, and ta2 represents that the heat of hot gas re-flow device 16 is empty
Gas outlet temperature, Va2 represent the hot air outlet flow velocity of hot gas re-flow device 16, and N1, N2 represent the motor input of blower fan 1 respectively
The power input to machine of power, blower fan 2, n1, n2 represent the motor speed of blower fan 1, the motor speed of blower fan 2 respectively, and I is represented and led
Draw the input current of current transformer 2, U represents the input voltage of traction convertor 2, and N represents the input power of traction convertor 2, Pw1
The cooling liquid outlet pressure of a radiator 4 is represented, tw1 represents the cooling liquid outlet temperature of a radiator 4, and Pw2 represents one
The coolant inlet pressure of secondary radiator 4, tw2 represent the coolant inlet temperature of a radiator 4, and Pvi represents that equipment compartment sets
Positioning puts the air pressure at place 19, and tvi represents the air themperature of equipment compartment setting position 19.
This utility model plans as a whole heat and the relation between thermal source, car load, using synthesis from the system integration and overall angle
The cooling system each part related to heat transfer is integrated into an effective system by control and the mode of system administration, control with
Optimization heat transfer process, it is ensured that the safe and highly efficient operation of each critical component and cooling system, is easy to manage perfectly and reasonable
Utilize heat energy；This utility model is easy to running environment and operating mode according to electric rail car group, dynamic regulation rotation speed of fan and cold
But air mass flow, and then control intensity of cooling, it is to avoid sub-cooled；Intelligence Cooling System described in the utility model can reduce auxiliary
Power consumption is helped, radiating efficiency and efficiency of energy utilization is improved, economy is relatively preferable, noise can be reduced, reduce noise pair
The pollution of environment, improves the comfortableness of EMUs passenger；In addition, Intelligence Cooling System described in the utility model can be realized under car
The dynamic regulation of equipment compartment ambient temperature, improves the adaptation energy of the serviceability and vehicle of equipment below deck equipment to environment
Power, meets the energy-saving and environmental protection of electric rail car group and the requirement of safety.
This utility model can realize equipment indoor environment temperature, the control of pressure, it is ensured that equipment indoor environment temperature is not
Less than -25 DEG C, and pressure is in 0～500Pa of pressure-fired in equipment compartment, and then advantageously reduces soiled environment and get off outer soiled
Composition granule access arrangement cabin, reduces impact and damage of the soiled to equipment compartment internal part.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model is disclosed, according to this practicality
New technical scheme and its inventive concept equivalent or change in addition, should all cover protection domain of the present utility model it
It is interior.
Claims (9)
1. a kind of electric rail car group traction convertor Intelligence Cooling System, the electric rail car group have equipment compartment, the traction
Current transformer is arranged in equipment compartment, it is characterised in that the cooling system includes：Heat included by the traction convertor is installed
Radiator and the secondary cooling apparatus being arranged in the equipment compartment of source block；Flowed out by a radiator
Coolant take away the heat that the heat source component is produced；The secondary cooling apparatus include：
The secondary radiator connected by coolant circulation line with a radiator；The coolant circulation line includes
Water influent pipeline and drain pipe road；
Pump on the drain pipe road；Entered via drain pipe road and pump by the coolant that a radiator flows out
The secondary radiator；Heat is passed to cooling air from the coolant by the secondary radiator；The coolant release
After heat, a radiator is back to via the water influent pipeline.
2. electric rail car group traction convertor Intelligence Cooling System according to claim 1, it is characterised in that the equipment
Cabin possesses the first air filter being arranged on equipment compartment side skirt；The secondary radiator has inlet side and air side；
The secondary cooling apparatus also include：
The inlet channel being arranged between first air filter and the secondary radiator inlet side；
And it is arranged on the least one set blower fan of the secondary radiator air side.
3. electric rail car group traction convertor Intelligence Cooling System according to claim 2, it is characterised in that the blower fan
In the fan box with air inlet and air outlet；The secondary cooling apparatus also include being arranged on the fan box
Hot gas re-flow device on the wall of side；The hot gas re-flow device includes：The air return pipeline that is connected with the fan box and
The distribution lines connected with air return pipeline and equipment compartment setting position；By the hot-air flowed out in fan box through described
Air return pipeline and distribution lines are back to the equipment compartment setting position；The air return pipeline is provided with electric control valve.
4. electric rail car group traction convertor Intelligence Cooling System according to claim 1, it is characterised in that the cooling
System also includes：Coolant clarifier in the water influent pipeline and the expansion tank being connected with drain pipe road.
5. electric rail car group traction convertor Intelligence Cooling System according to claim 2, it is characterised in that described secondary
Chiller also includes the second air filter for being arranged on the secondary radiator inlet side.
6. electric rail car group traction convertor Intelligence Cooling System according to claim 1, it is characterised in that it is described once
Radiator adopts liquid cooling base；The liquid cooling base possesses the inner chamber filled with coolant.
7. electric rail car group traction convertor Intelligence Cooling System according to claim 3, it is characterised in that by adjusting
The aperture of the electric control valve is controlling to be back to the hot air flowrate of equipment compartment setting position, and then causes equipment compartment interior temperature
Degree is not less than pressure in preset temperature and equipment compartment and is in pre-set pressure range.
8. electric rail car group traction convertor Intelligence Cooling System according to claim 3, it is characterised in that the cooling
System also includes real-time monitoring subsystem, and the real-time monitoring subsystem at least includes：
For monitoring the power monitoring module of the traction convertor input power；
For monitoring the first temperature monitoring module of the cooling air inlet temperature of the secondary radiator；
For monitoring the first flow monitoring module of the cooling air inlet flow velocity of the secondary radiator；
For monitoring the second temperature monitoring modular of the coolant inlet temperature of a radiator；
With the 3rd temperature monitoring module of the coolant inlet temperature for being used for monitoring the secondary radiator.
9. electric rail car group traction convertor Intelligence Cooling System according to claim 8, it is characterised in that it is described in real time
Monitoring subsystem also includes：
For monitoring the first pressure monitoring modular of the cooling air inlet pressure of the secondary radiator；
For monitoring the second pressure monitoring modular of the coolant inlet pressure of a radiator；
For the 4th temperature monitoring module of temperature in monitoring device cabin；
For the 3rd pressure monitoring module of pressure in monitoring device cabin；
For monitoring the 5th temperature monitoring module of the cooling liquid outlet temperature of a radiator；
For monitoring the 4th pressure monitoring module of the cooling liquid outlet pressure of a radiator；
For monitoring the 6th temperature monitoring module of the hot air outlet temperature of the hot gas re-flow device；
For monitoring the 5th pressure monitoring module of the hot air outlet pressure of the hot gas re-flow device；
For monitoring the second flow speed monitoring modular of the hot air outlet flow velocity of the hot gas re-flow device；
For monitoring the test module of the blower fan electric current, voltage and power；
And for monitoring the rotation speed monitoring module of the rotation speed of fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025846.1U CN206042651U (en) | 2016-08-31 | 2016-08-31 | Electric multiple unit traction current transformation ware intelligent cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025846.1U CN206042651U (en) | 2016-08-31 | 2016-08-31 | Electric multiple unit traction current transformation ware intelligent cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206042651U true CN206042651U (en) | 2017-03-22 |
Family
ID=58299036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621025846.1U Withdrawn - After Issue CN206042651U (en) | 2016-08-31 | 2016-08-31 | Electric multiple unit traction current transformation ware intelligent cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206042651U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455418A (en) * | 2016-08-31 | 2017-02-22 | 中车大连机车研究所有限公司 | Intelligent cooling system for traction converter of electric multiple unit |
| WO2022048547A1 (en) * | 2020-09-02 | 2022-03-10 | 中兴通讯股份有限公司 | Temperature control system, communication device, and temperature control method |
-
2016
- 2016-08-31 CN CN201621025846.1U patent/CN206042651U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455418A (en) * | 2016-08-31 | 2017-02-22 | 中车大连机车研究所有限公司 | Intelligent cooling system for traction converter of electric multiple unit |
| CN106455418B (en) * | 2016-08-31 | 2018-09-11 | 中车大连机车研究所有限公司 | Electric rail car group traction convertor Intelligence Cooling System |
| WO2022048547A1 (en) * | 2020-09-02 | 2022-03-10 | 中兴通讯股份有限公司 | Temperature control system, communication device, and temperature control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170322 Effective date of abandoning: 20180911 |
|
| AV01 | Patent right actively abandoned |