CN204179930U - A kind of heat management system for motor train traction - Google Patents
A kind of heat management system for motor train traction Download PDFInfo
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- CN204179930U CN204179930U CN201420713850.1U CN201420713850U CN204179930U CN 204179930 U CN204179930 U CN 204179930U CN 201420713850 U CN201420713850 U CN 201420713850U CN 204179930 U CN204179930 U CN 204179930U
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- current transformer
- evaporator
- cold
- compressor
- management system
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Abstract
The utility model discloses a kind of heat management system for motor train traction, comprise main condenser, compressor, current transformer evaporator and current transformer Inner eycle blower fan, main condenser and compressor are installed in the air-conditioning cabinet at motor-car top, in current transformer evaporator and the converter cabinet of current transformer Inner eycle assembling bottom motor-car; Refrigerant compression becomes high temperature and high pressure steam to send into converter cabinet after main condenser by compressor, by each power model in pipeline access current transformer; Flow through the cold-producing medium after each power model and send into current transformer evaporator by pipeline, return to after current transformer evaporator in compressor; Current transformer Inner eycle blower fan is arranged towards current transformer evaporator, is used for blowing a cold wind over to converter cabinet intracoelomic cavity.The utility model have topology layout compacter, current transformer overall heat exchange efficiency on motor-car can be improved, reduce the advantages such as ambient temperature impact.
Description
Technical field
The utility model is mainly concerned with the vehicular field of track traffic, refers in particular to a kind of heat management system being applicable to motor train traction.
Background technology
In modernization EMU, along with power of traction motor is increasing, the heat dissipation problem of traction convertor highlights day by day, and this, comprising there being the large power semiconductor device such as IGBT and diode, also comprises the devices such as transformer, reactor, electric capacity.Above-mentioned device heating is large, and the density of heat flow rate of actual heat radiation is also increasing, but the highest tolerable temperature is limited, and working temperature and the life and reliability of fluctuation on power electronic device thereof have very large impact; In addition, working temperature also has direct relation to some device by electric current.In this field, various heat dissipation technology emerges in an endless stream, and respectively has pluses and minuses, but there are some bottlenecks in existing design.
Although existing air-cooled, water-cooled, hot pipe technique, very ripe, but because its final heat exchange form still walks heat by airstrip, and the working temperature of current transformer is the just superposition on ring temperature basis, the temperature difference can only be positive number, and be decided by the efficiency of each link, therefore when ring temperature reaches some values, working temperature can meet and exceed permissible value.In other words, its heat exchange efficiency and the device operating temperature that can provide have arrived the limit, cannot meet the demands when ring temperature is higher.For application, along with the fast development of railway transportation, the scope of application of electric locomotive is more and more wider, and be therefore also faced with more and more severe external environment, in the area of some sweltering heat, ambient temperature even can higher than 50 DEG C.Meanwhile, said structure methods for cooling and structure, also need huge external heat sink to be taken away by its heat.Adopt the form of heat convection, rely on the thermal capacitance of gas and liquid to take away heat, cannot meet the radiating requirements under some particular cases.In addition, in existing methods for cooling, the working temperature of cooled device can be subject to the heating power of different operating mode and the impact of ring temperature fluctuation, and be actually unstable, under long-term temperature fluctuation, device can because thermal stress generation fatigue aging.And because its heat exchange area is relevant with the temperature difference and heat exchange efficiency, and the temperature difference is unsuitable excessive, and heat exchange efficiency also has the limit, therefore causes volume that is air-cooled or water cooling heat exchanger larger.
Utility model content
The technical problems to be solved in the utility model is just: the technical problem existed for prior art, and the utility model provides the heat management system for motor train traction that a kind of topology layout is compacter, can improve current transformer overall heat exchange efficiency on motor-car, reduce ambient temperature impact.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of heat management system for motor train traction, comprise main condenser, compressor, current transformer evaporator and current transformer Inner eycle blower fan, described main condenser and compressor are installed in the air-conditioning cabinet at motor-car top, in described current transformer evaporator and the converter cabinet of current transformer Inner eycle assembling bottom motor-car; Refrigerant compression becomes high temperature and high pressure steam to send into converter cabinet after main condenser by described compressor, by each power model in pipeline access current transformer; Flow through the cold-producing medium after each power model and send into described current transformer evaporator by pipeline, return in compressor after described current transformer evaporator; Described current transformer Inner eycle blower fan is arranged towards current transformer evaporator, is used for blowing a cold wind over to converter cabinet intracoelomic cavity.
As further improvement of the utility model: described current transformer Inner eycle wind turbine layout is between current transformer evaporator and compressor, and the blowing of described current transformer Inner eycle blower fan is towards current transformer evaporator.
As further improvement of the utility model: be provided with secondary condenser in described converter cabinet, described secondary condenser forms loop by pipeline and main condenser, and described current transformer evaporator is between secondary condenser and current transformer Inner eycle blower fan.
As further improvement of the utility model: described power template is provided with cold drawing, described cold-producing medium passes into flowing in cold drawing; Or described power template offers refrigerant flow path, and described cold-producing medium directly passes in the refrigerant flow path on power model.
As further improvement of the utility model: position corresponding with main condenser on described air-conditioning cabinet is provided with the main condenser blower fan of more than.
As further improvement of the utility model: described main condenser assembling is in the top of air-conditioning cabinet.
As further improvement of the utility model: be respectively arranged with cold-producing medium branch road between described main condenser and each power device, described cold-producing medium branch road is provided with electric expansion valve.
As further improvement of the utility model: cold-producing medium branch road described in each is equipped with hydraulic quick coupler.
As further improvement of the utility model: the cold-producing medium in all power devices confluxes at the port of export, imported in current transformer evaporator by pipeline after confluxing.
As further improvement of the utility model: the pipeline between described current transformer evaporator and compressor is also provided with counterbalance valve.
Compared with prior art, the utility model has the advantage of:
1, the heat management system for motor train traction of the present utility model, simple and compact for structure, combines with the original air-conditioning system of motor train unit, can functionally realize certain complementation; The utility model adopts independently refrigerating system, can use the refrigerating system of smaller power, have cost lower, energy-conservation, respond the advantages such as rapid.Whole cooling system by the impact of ambient temperature, under can being applied to the operating mode compared with epipodium temperature, makes the environmental suitability of current transformer stronger hardly.
2, the heat management system for motor train traction of the present utility model, owing to adopting independently refrigerating system, therefore increasing heat exchange efficiency by improving the condensation temperature difference, therefore can design more small-sized current transformer cooling system if desired.
3, the heat management system for motor train traction of the present utility model, radiator pastes high power device caloric value when changing rapidly, and the control by electric expansion valve increases refrigerant flow rapidly, thus improves heat dissipation capacity; By the collection of evaporator outlet and spreader surface temperature, completed the adjustment of respective valves by control unit, thus play the effect of stablizing each device operating temperature, can greatly improve device lifetime and reliability.
4, the heat management system for motor train traction of the present utility model, is dehumidified by evaporator, and by the heating of secondary condenser branch road inner loop wind, greatly reduces relative air humidity in cabinet, greatly can improve device lifetime, reduces failure rate; Secondary condenser branch road can play the effect of heater when cold start-up, to improve temperature in current transformer, protection device is not by low temperature effect.
5, the heat management system for motor train traction of the present utility model, the use of hydraulic quick coupler can improve maintenance efficiency, makes current transformer can flexible combination, improves its autgmentability.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the utility model embodiment 1.
Fig. 2 is the structural principle schematic diagram of the utility model embodiment 2.
Marginal data:
1, A/C evaporator; 2, air-conditioning draught fan; 3, main condenser blower fan; 4, main condenser; 5, compressor; 6, blower fan is heated; 7, copped wave resistance; 8, power electronics electric capacity; 9, transformer; 10, reactor; 11, rectification module; 12, inversion module; 13, current transformer Inner eycle blower fan; 14, current transformer evaporator; 15, copped wave module; 16, auxiliary change module; 17, electric expansion valve; 18, hydraulic quick coupler; 19, counterbalance valve; 20, secondary condenser; 21, air-conditioning cabinet; 22, converter cabinet.
Embodiment
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
Embodiment 1: as shown in Figure 1, heat management system for motor train traction of the present utility model, comprise main condenser 4, compressor 5, current transformer evaporator 14 and current transformer Inner eycle blower fan 13, main condenser 4 and compressor 5 are installed in the air-conditioning cabinet 21 at motor-car top, and current transformer evaporator 14 and current transformer Inner eycle blower fan 13 are installed in the converter cabinet 22 bottom motor-car.By compressor 5, the refrigerant compression in system is become high temperature and high pressure steam, fall apart in environment by main condenser 4 by the heat of cold-producing medium, now cold-producing medium becomes normal temperature high voltage liquid and sends into the converter cabinet 22 be positioned at bottom motor-car.After entering converter cabinet 22, cold-producing medium is by each power model (heater members) in pipeline access current transformer, become low-temp low-pressure gas-liquid mixed state and absorb its heat, complete heat exchange, power template comprises rectification module 11, inversion module 12, copped wave module 15 and auxiliary change module 16.Flow through the cold-producing medium after each power model and send into current transformer evaporator 14 by pipeline, return to after current transformer evaporator 14 in compressor 5.Current transformer Inner eycle blower fan 13 is arranged towards current transformer evaporator 14, be used for blowing a cold wind over to the inner chamber of converter cabinet 22, to take away the heat of other illogical cold-producing medium parts, such as: be arranged in the copped wave resistance 7 of converter cabinet 22, power electronics electric capacity 8, transformer 9 and reactor 10.
In the present embodiment, current transformer Inner eycle blower fan 13 is arranged between current transformer evaporator 14 and compressor 5, and the blowing of current transformer Inner eycle blower fan 13 is towards current transformer evaporator 14.
In the present embodiment, power template (heater members) is provided with cold drawing, cold-producing medium passes in cold drawing and flows to realize the cooling to power model.Certainly, also can offer refrigerant flow path in power template (heater members), cold-producing medium directly be passed on power model and carry out heat exchange operation.
In the present embodiment, position corresponding with main condenser 4 on air-conditioning cabinet 21 is provided with main condenser blower fan 3, is used for improving the heat exchange efficiency of main condenser 4.In this example, main condenser blower fan 3 is arranged at the top of air-conditioning cabinet 21, is appreciated that in other instances according to actual needs, can also be arranged at other positions of air-conditioning cabinet 21, also can install multiple stage main condenser blower fan 3.
Embodiment 2: as shown in Figure 2, heat management system for motor train traction of the present utility model, comprise main condenser 4, compressor 5, current transformer evaporator 14 and current transformer Inner eycle blower fan 13, main condenser 4 and compressor 5 are installed in the air-conditioning cabinet 21 at motor-car top, and current transformer evaporator 14 and current transformer Inner eycle blower fan 13 are installed in the converter cabinet 22 bottom motor-car.By compressor 5, the refrigerant compression in system is become high temperature and high pressure steam, fall apart in environment by main condenser 4 by the heat of cold-producing medium, now cold-producing medium becomes normal temperature high voltage liquid and sends into the converter cabinet 22 be positioned at bottom motor-car.After entering converter cabinet 22, cold-producing medium is by each power model (heater members) in pipeline access current transformer, become low-temp low-pressure gas-liquid mixed state and absorb its heat, complete heat exchange, power template comprises rectification module 11, inversion module 12, copped wave module 15 and auxiliary change module 16.Flow through the cold-producing medium after each power model and send into current transformer evaporator 14 by pipeline, return to after current transformer evaporator 14 in compressor 5.Current transformer Inner eycle blower fan 13 is arranged towards current transformer evaporator 14, be used for blowing a cold wind over to the inner chamber of converter cabinet 22, to take away the heat of other illogical cold-producing medium parts, such as: be arranged in the copped wave resistance 7 of converter cabinet 22, power electronics electric capacity 8, transformer 9 and reactor 10.
In the present embodiment, current transformer Inner eycle blower fan 13 is arranged between current transformer evaporator 14 and compressor 5, and the blowing of current transformer Inner eycle blower fan 13 is towards current transformer evaporator 14.
In the present embodiment, power template (heater members) is provided with cold drawing, cold-producing medium passes in cold drawing and flows to realize the cooling to power model.Certainly, also can offer refrigerant flow path in power template (heater members), cold-producing medium directly be passed on power model and carry out heat exchange operation.
In the present embodiment, position corresponding with main condenser 4 on air-conditioning cabinet 21 is provided with main condenser blower fan 3, is used for improving the heat exchange efficiency of main condenser 4.In this example, main condenser blower fan 3 is arranged at the top of air-conditioning cabinet 21, is appreciated that in other instances according to actual needs, can also be arranged at other positions of air-conditioning cabinet 21, also can install multiple stage main condenser blower fan 3.
In the present embodiment, cold-producing medium branch road is respectively arranged with between main condenser 4 and each power device, this cold-producing medium branch road is provided with electric expansion valve 17, electric expansion valve 17 pairs of cold-producing mediums are utilized to carry out throttling, pressure is made to drop to suitable value, become Low temperature low pressure liquid, to guarantee that evaporating temperature is required for device, also ensure that energy-conservation simultaneously.Owing to entering several electric power electronic module after electric expansion valve 17, evaporation endothermic in the cold drawing that it has installed heater element, its evaporating temperature can adjust according to the humiture in cabinet, to guarantee on cold drawing, dew condensation phenomenon to occur.
In the present embodiment, each cold-producing medium branch road is equipped with hydraulic quick coupler 18, such as, can adopts and withhold flexible pipe to install hydraulic quick coupler 18, facilitate its layout in cabinet, can with pressurely take apart when safeguarding simultaneously and change.
In the present embodiment, cold-producing medium in all power devices confluxes at the port of export, import in current transformer evaporator 14 by pipeline after confluxing, by current transformer Inner eycle blower fan 13, heat exchange is carried out to its blowing, cold-producing medium is evaporated further, pressure continues to reduce, until be down to the acceptable pressure of inspiration(Pi) of compressor 5, to ensure the security of operation of compressor 5 simultaneously.
In the present embodiment, the pipeline between current transformer evaporator 14 and compressor 5 is also provided with counterbalance valve 19, the pressure of inspiration(Pi) utilizing counterbalance valve 19 further Pressure Drop can be low to moderate compressor 5 to allow, to ensure its safe operation.
In the present embodiment, in converter cabinet 22, be also provided with secondary condenser 20, secondary condenser 20 directly forms loop by pipeline and main condenser 4, is used for coordinating with current transformer Inner eycle blower fan 13, improves air-cooled efficiency and air-cooled quality.In this example, secondary condenser 20 is placed on the rear end of current transformer evaporator 14, namely current transformer evaporator 14 is between secondary condenser 20 and current transformer Inner eycle blower fan 13, Inner eycle wind is first lowered the temperature through current transformer evaporator 14, steam condensation in air is discharged, then heat through secondary condenser 20, reduce its relative humidity, make the air supplying air-cooled device in converter cabinet 22 be the air of low temperature drying.Meanwhile, secondary condenser 20 also by control, fully to regulate the humiture of air-supply.
When needing refrigeration air-conditioner summer, by main condenser 4 cold-producing medium out, some enters in the A/C evaporator 1 of air-conditioning system, is blown in motor train compartment, is supplied to passenger by air-conditioning draught fan 2.When needing cooling/heating air conditioner winter, A/C evaporator 1 branch road is closed, and air-conditioning draught fan 2 is shut down, and open auxiliary condenser 20 and heat blower fan 6, condensed hot blast is blown in motor train compartment, is supplied to passenger.
As from the foregoing, the utility model is for power electronic device different in current transformer, two kinds of radiating modes are divided into: directly contact heat radiation and wind-cooling heat dissipating at converter cabinet 22, for power model (large power semiconductor device, as IGBT), adopt the mode directly contacting heat radiation with cold drawing, other device jointly realizes supply cold wind by current transformer evaporator 14 and current transformer Inner eycle blower fan 13 and realizes heat radiation.
In preferred embodiment, the utility model can also further according to the actual load of system, related sensor collecting temperature pressure parameter can be set and be supplied to control system, by control system, throttling arrangement and compressor 5 be regulated, to ensure the stable operation of system and energy-conservation.Compressor 5 can adopt frequency-changeable compressor according to actual needs.
Below be only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, not departing from the some improvements and modifications under the utility model principle prerequisite, protection range of the present utility model should be considered as.
Claims (10)
1. the heat management system for motor train traction, it is characterized in that, comprise main condenser (4), compressor (5), current transformer evaporator (14) and current transformer Inner eycle blower fan (13), described main condenser (4) and compressor (5) are installed in the air-conditioning cabinet (21) at motor-car top, and described current transformer evaporator (14) and current transformer Inner eycle blower fan (13) are installed in the converter cabinet (22) bottom motor-car; Refrigerant compression becomes high temperature and high pressure steam to send into converter cabinet (22) after main condenser (4) by described compressor (5), by each power model in pipeline access current transformer; Flow through the cold-producing medium after each power model and send into described current transformer evaporator (14) by pipeline, return to after described current transformer evaporator (14) in compressor (5); Described current transformer Inner eycle blower fan (13) is arranged towards current transformer evaporator (14), is used for blowing a cold wind over to converter cabinet (22) inner chamber.
2. the heat management system for motor train traction according to claim 1, it is characterized in that, described current transformer Inner eycle blower fan (13) is arranged between current transformer evaporator (14) and compressor (5), and the blowing of described current transformer Inner eycle blower fan (13) is towards current transformer evaporator (14).
3. the heat management system for motor train traction according to claim 2, it is characterized in that, secondary condenser (20) is provided with in described converter cabinet (22), described secondary condenser (20) forms loop by pipeline and main condenser (4), and described current transformer evaporator (14) is positioned between secondary condenser (20) and current transformer Inner eycle blower fan (13).
4. the heat management system for motor train traction according to claim 1 or 2 or 3, is characterized in that, described power template is provided with cold drawing, and described cold-producing medium passes into flowing in cold drawing; Or described power template offers refrigerant flow path, and described cold-producing medium directly passes in the refrigerant flow path on power model.
5. the heat management system for motor train traction according to claim 1 or 2 or 3, is characterized in that, the upper position corresponding with main condenser (4) of described air-conditioning cabinet (21) is provided with the main condenser blower fan (3) of more than.
6. the heat management system for motor train traction according to claim 5, is characterized in that, described main condenser blower fan (3) is installed on the top of air-conditioning cabinet (21).
7. the heat management system for motor train traction according to claim 1 or 2 or 3, it is characterized in that, be respectively arranged with cold-producing medium branch road between described main condenser (4) and each power device, described cold-producing medium branch road be provided with electric expansion valve (17).
8. the heat management system for motor train traction according to claim 7, is characterized in that, cold-producing medium branch road described in each is equipped with hydraulic quick coupler (18).
9. the heat management system for motor train traction according to claim 7, is characterized in that, the cold-producing medium in all power devices confluxes at the port of export, is imported in current transformer evaporator (14) after confluxing by pipeline.
10. the heat management system for motor train traction according to claim 7, is characterized in that, the pipeline between described current transformer evaporator (14) and compressor (5) is also provided with counterbalance valve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713850.1U CN204179930U (en) | 2014-11-25 | 2014-11-25 | A kind of heat management system for motor train traction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713850.1U CN204179930U (en) | 2014-11-25 | 2014-11-25 | A kind of heat management system for motor train traction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204179930U true CN204179930U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420713850.1U Withdrawn - After Issue CN204179930U (en) | 2014-11-25 | 2014-11-25 | A kind of heat management system for motor train traction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204179930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362835A (en) * | 2014-11-25 | 2015-02-18 | 南车株洲电力机车研究所有限公司 | Thermal management system for motor car traction converter |
| CN114132349A (en) * | 2021-11-26 | 2022-03-04 | 株洲中车时代电气股份有限公司 | Converter cooling system, maintenance method, maintenance device and converter |
-
2014
- 2014-11-25 CN CN201420713850.1U patent/CN204179930U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362835A (en) * | 2014-11-25 | 2015-02-18 | 南车株洲电力机车研究所有限公司 | Thermal management system for motor car traction converter |
| CN104362835B (en) * | 2014-11-25 | 2016-03-23 | 南车株洲电力机车研究所有限公司 | A kind of heat management system for motor train traction |
| CN114132349A (en) * | 2021-11-26 | 2022-03-04 | 株洲中车时代电气股份有限公司 | Converter cooling system, maintenance method, maintenance device and converter |
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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: 20150225 Effective date of abandoning: 20160323 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |