CN206383962U - A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit - Google Patents
A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit Download PDFInfo
- Publication number
- CN206383962U CN206383962U CN201621456144.9U CN201621456144U CN206383962U CN 206383962 U CN206383962 U CN 206383962U CN 201621456144 U CN201621456144 U CN 201621456144U CN 206383962 U CN206383962 U CN 206383962U
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- compressor
- cooling
- air
- heating system
- conditioning unit
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000010257 thawing Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit of the utility model, belongs to rail vehicle technical field, including control unit, refrigeration device and the pressure regulatory element being arranged in housing, key is：Indoor fan and a compressor in refrigeration device is along stock rail direction is disposed side by side on immediately below it, two indoor heat exchangers are symmetricly set on the both sides that the both sides of indoor fan, two outdoor heat exchangers and supporting outdoor fan are symmetricly set on compressor；The outlet of compressor is sequentially connected two outdoor heat exchangers, two indoor heat exchangers, gas-liquid separator, compressor air suctions mouthful and forms kind of refrigeration cycle paths, and commutates by two position and four-way reversing valves being arranged on compressor outlet to form medium and heat peripheral passage through what two indoor heat exchangers, two outdoor heat exchangers, gas-liquid separators entered compressor air suction mouthful.Each part of rational deployment, makes full use of the rail base space of roof, compact conformation, energy-conserving and environment-protective.
Description
Technical field
The utility model belongs to rail vehicle technical field, is related to air-conditioner set used for rail vehicle, and in particular to be arranged on
The Cooling, heating system of the Air conditioning unit of suspension type sky rail vehicle roof.
Background technology
With the continuous propulsion of Urbanization in China, the deficiency of road traffic resource makes urban ground traffic pressure increasingly
Increase, to solve urban traffic pressure, urban tridimensionalization traffic turns into effective mode, ground, track, underground traffic phase
Mutually coordinate, mode of transportation is intersected from original floor is changed to crossings on different level.But will be by geology and geomorphology due to building subway
The restriction of factor, and it is long in time limit, and fund input is big, is not that each city can build subway.In order to rationally utilize ground
Space of planes, suspension type sky rail vehicle arises at the historic moment.Influenceed by factors such as space, load-bearing, safety, the empty rail vehicle of existing suspension type
Car body it is shorter, space is smaller.The car length of the empty iron of first of China is at 8 meters or so, and width is 3 meters or so.Multiply to meet
Objective comfortableness requirement on empty iron, it is necessary to install air-conditioning additional.
The air-conditioning installed on existing rail vehicle, generally using two kinds of mounting means：One kind is split type, and indoor set is located at
In compartment, outdoor unit be typically mounted at vehicle bottom；It is another be it is modular, air-conditioner set be arranged on car body roof plate and carriage top
In space between plate.The track of empty iron is on roof top, it is necessary to which the part coordinated under common rail car car with track is turned
Roof is moved on to, while some other structures also can be increased in roof adaptability, underbody has laid more electrical equipment.According to
Split-type structural, air-conditioning is arranged on lower car body, it is necessary to avoid those electrical equipments, and pipeline connection is complicated, both unsightly, also can
Bring the variety of problems in terms of safety and maintenance.The structure come up and newly increased according to cellular structure, those transfers, is accounted for
With the air-conditioner set installing space of original roof；Therefore how in limited space reasonable installation unit, while making installation
Air-conditioning can reach the effect of environmental protection and low energy consumption, be one of the problem of empty rail vehicle of suspension type needs to solve.
The content of the invention
The need for the utility model is in order to adapt to empty rail vehicle, devises a kind of integrated form air-conditioner set refrigeration, heat and be
System, two indoor heat exchangers and outdoor heat exchanger match a compressor, reduce number of compressors, reduce manufacturing cost and
Unit weight；And each part of rational deployment, make full use of the rail base space of roof, compact conformation, energy-conserving and environment-protective.
The technical solution of the utility model is：A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit, including set
Control unit, refrigeration device and pressure regulatory element in housing, key are：Indoor fan in the refrigeration device and
One compressor is along stock rail direction is disposed side by side on immediately below it, two indoor heat exchangers are symmetricly set on indoor fan
Both sides, two outdoor heat exchangers and supporting outdoor fan are symmetricly set on the both sides of compressor；The outlet of compressor is sequentially connected
Two outdoor heat exchangers, two indoor heat exchangers, gas-liquid separator, compressor air suction mouthful formation kind of refrigeration cycle paths, and by
Two position and four-way reversing valves being arranged on compressor outlet commutate to form medium through two indoor heat exchangers, two outdoor heat exchanges
Device, gas-liquid separator heat peripheral passage into compressor air suction mouthful.
Further, control unit is arranged on immediately below stock rail, between indoor fan and compressor.
Air-conditioner set is fixed in the housing, and housing is arranged in the space between car body roof plate and compartment roof plate.Because installing
Space is smaller, sets a compressor, and uses minor diameter horizontal type scroll frequency-changeable compressor, is contracted while unit performance is ensured
Small compressor installing space；A pair of outdoor heat exchangers are arranged vertically, and are reduced the gas-flow resistance because of caused by height reduction and are lost.For
Influence of the stock rail to fresh air and outdoor machine cavity air intake is avoided, indoor fan, control unit and compressor be arranged side by side
Immediately below stock rail, vertically arranged matching indoor heat exchanger is symmetricly set on the both sides of indoor fan, two groups of outdoors and changed
Hot device and outdoor fan are symmetricly set on the both sides of control unit, with from track both sides return air, suction fresh air and condensation air intake.Room
Inner blower and outdoor fan are used for the heat exchange for accelerating indoor heat exchanger and outdoor heat exchanger, set gas-liquid separator, can prevent
Compressor liquid hammer.
Further, high-pressure switch and high pressure transmitter, air entry are provided with the media outlet of the compressor
Place is provided with the signal output part connection control unit of low pressure switch and low pressure transmitter, high pressure and low pressure switch,
For detecting system pressure, air-conditioner set is set to be worked in the pressure limit of permission.
Further, device for drying and filtering is provided with the medium pipeline between outdoor heat exchanger and indoor heat exchanger.
Further, it is provided with electric expansion valve on the medium pipeline between outdoor heat exchanger and indoor heat exchanger.
Being set at the media outlet of compressor at high-pressure switch, air entry sets low pressure to switch, for detecting
System pressure, makes air-conditioner set be worked in the pressure limit of permission.Control system is received after superpressure signal, and cut-out compression is electromechanical
Source, air-conditioning system is stopped, to protect compressor to be run in normally-pressured neighbor, it is to avoid compressor overload scaling loss.In room
Device for drying and filtering is set on medium pipeline between external heat exchanger and indoor heat exchanger, can be in absorption moisture and system
Solid impurity, prevents system jams, it is ensured that medium pipeline is unimpeded.
The electric expansion valve that device for drying and filtering rear end is set, can throttle before medium gets in heat exchanger to it
Decompression.For in refrigeration system commonly use capillary voltage regulating mode, because capillary be according to a fixed operating mode design length,
Under normal running conditions, capillary has acceptable systematic function, but with the rising of frequency, system condensing pressure rises,
Evaporating pressure declines so that the speed risen using the system condensing pressure of capillary is than the system speed using electric expansion valve
Fast, the speed that evaporating pressure declines is also faster than using the system decrease speed of electric expansion valve.Due to using capillary system
Evaporating pressure than using electronic expansion valve system evaporating pressure it is low, indoor heat exchanger outlet the degree of superheat also correspondingly increase
Greatly, and electric expansion valve can by aperture control indoor heat exchanger outlet superheat degree in setting value.For capillary system
For, indoor heat exchanger is effectively reduced using area, and the increase of outlet superheat degree also causes the refrigerant flow of system to reduce,
The two aspects all cause the frequency-conversion air-conditioning system of capillary when frequency is higher than design frequency, and the refrigerating capacity of system, which is less than, to be used
The system of electric expansion valve, experiment is drawn at most can be low by 13% or so.With the decline of frequency, the condensing pressure of system declines,
Evaporating pressure rises, and the speed that capillary system condensing pressure declines and evaporating pressure rises is all brighter than electronic expansion valve system
It is aobvious.When conventional frequency band works, capillary section streaming system also has acceptable performance, after it deviate from design point,
The performance of electronic expansion valve system is better than the performance of capillary system, using the refrigeration of the frequency-conversion air-conditioning system of electric expansion valve
Amount and Energy Efficiency Ratio are higher by more than 20% than using the frequency-conversion air-conditioning system of capillary, from the point of view of ensemble average, than using capillary
System is high by 10%.
Further, defrosting magnetic valve is parallel with the compressor outlet, medium is connected in parallel to outdoor through defrosting magnetic valve
On medium pipeline between heat exchanger and indoor heat exchanger, the controlled end connection control unit of defrosting magnetic valve.It can heat
Shi Kaiqi, carries out defrosting.
Further, the indoor fan uses centrifugal blower.With fresh air and compartment the return air warp that will be mixed in its both sides
Got rid of after indoor heat exchanger heat exchange from axial suction, recycling centrifugal force from circumferencial direction into supply air duct.And fan
Amount and blast are all very big, and in the case of identical air quantity, identical blast, the noise of centrifugal blower can be relatively small.
Further, the outdoor fan uses axial flow blower.Axial flow blower uses short casing motor or external rotor electric
Machine, to reduce blower fan height.
It is using the beneficial effect produced by above-mentioned technical proposal：Using two indoor heat exchangers and outdoor heat exchanger
With a compressor, number of compressors is reduced, compressor installing space is reduced while unit performance is ensured, reduces system
Cause this and unit weight；And each part of rational deployment, the influence of stock rail is avoided, by indoor fan, control unit and pressure
Contracting machine is arranged side by side in immediately below stock rail, and indoor heat exchanger, outdoor heat exchanger and the outdoor fan of matching are symmetricly set on
The both sides of track, it is simple in construction, it is to avoid the influence of stock rail and reduced space to condensation effect.
Brief description of the drawings
Fig. 1 is that the utility model removes the structural representation after cover top plate；
Fig. 2 is systematic schematic diagram of the present utility model；
Fig. 3 is the relative position schematic diagram of air-conditioner set and stock rail；
In accompanying drawing, 1 is housing, and 2 be stock rail, and 111 represent indoor fan, and 112 represent indoor heat exchanger, and 113 represent
Fresh wind port, 121 be compressor, and 122 be control unit, and 123 represent outdoor heat exchanger, and 124 represent outdoor fan, 125 agent's rooms
Outer machine cavity air outlet, 126 represent outdoor machine cavity air inlet 3, are gas-liquid separators, 4 represent high-pressure switch, and 4-1 represents height
Pressure transmitter, 5 represent low pressure switch, and 5-1 represents low pressure transmitter, and 6 represent device for drying and filtering, and 7 represent electric expansion valve,
8 be two position and four-way reversing valves, and 9 be defrosting magnetic valve, and single lined arrows direction is wind direction, and double-lined arrow is kind of refrigeration cycle direction, double
Line double-head arrow is to heat loop direction.
Embodiment
A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit, including be arranged in housing 1 control unit 122,
Freeze, heat device and pressure regulatory element, freeze, heat the compressor 121 of indoor fan 111 and one in device along vehicle
The direction of track 2 is disposed side by side on immediately below it, two indoor heat exchangers 112 are symmetricly set on the both sides of indoor fan 111, Liang Tai
Outdoor heat exchanger 123 and supporting outdoor fan 124 are symmetricly set on the both sides of compressor 121；The outlet of compressor 121 connects successively
Connect two outdoor heat exchangers 123, two indoor heat exchangers 112, gas-liquid separator 3, the air entry of compressor 121 formation kind of refrigeration cycle
Path, and medium is formed through two indoor heat exchangers by two position and four-way reversing valves 8 commutation being arranged in the outlet of compressor 121
112nd, two outdoor heat exchangers 123, gas-liquid separators 3 heat peripheral passage into the air entry of compressor 121.
Referring to accompanying drawing, housing 1 is divided into indoor machine cavity and outdoor machine cavity along the direction of stock rail 2 for being located therein top.Room
Inner blower 111 and matching indoor heat exchanger 112 are located at indoor machine cavity, compressor 121, control unit 122 and matching set two
Group outdoor heat exchanger 123 and outdoor fan 124 are located outside machine cavity.Compressor uses minor diameter horizontal type scroll frequency-changeable compressor,
Indoor fan 111 uses centrifugal blower, and outdoor fan 124 uses axial flow blower.Two pairs of axial flow blowers use short casing motor,
Indoor heat exchanger 112, outdoor heat exchanger 123 and outdoor fan 124 are to be arranged vertically.The return air inlet of air-conditioner set is provided with two
Between housings 1 and indoor heat exchanger 112 individual, positioned at indoor machine cavity two ends, air outlet is provided with one, is located outside machine cavity
The lower section of control unit 122, and connected by air channel 13 with the air outlet of indoor fan 111.The side wall of housing 1 at indoor machine cavity two ends
On be provided with two fresh wind ports 113 being in communication with the outside by fresh air duct, the fresh air sucked from fresh wind port 113 with from car
Machine cavity is mixed the return air of railway carriage or compartment suction indoors.Two outdoor machine cavity air inlets 126 are disposed in the outdoor the top of machine cavity housing 1, car
The both sides of track 2, two outdoor machine cavity air outlets 125 are disposed in the outdoor on two side walls of machine cavity housing 1.Control unit
122 radiator 1221 is located in the air channel of the connection air outlet of indoor fan 111 and air outlet.
It is provided with high-pressure switch 4 and high pressure transmitter 4-1, air entry and sets at the media outlet of compressor 121
There is low pressure to switch 5 and low pressure transmitter 5-1, high pressure and low pressure switch 4,5 signal output part connection control unit
122, control system is received after superpressure signal, cuts off the power supply of compressor 121, air-conditioning system is stopped, to protect compressor
Run in normally-pressured neighbor, it is to avoid compressor overload scaling loss.Between outdoor heat exchanger 123 and indoor heat exchanger 112
Device for drying and filtering 6 is provided with medium pipeline.Set on medium pipeline between outdoor heat exchanger 123 and indoor heat exchanger 112
It is equipped with electric expansion valve 7.Compressor 121 is horizontal type scroll frequency-changeable compressor.Compressor 121 is parallel with defrosting magnetic valve in outlet
9, medium is connected in parallel on the medium pipeline between outdoor heat exchanger 123 and indoor heat exchanger 112 through defrosting magnetic valve 9, when heating
During frosting, control system opens defrosting magnetic valve 9 and carries out defrosting.
In air-conditioner set process of refrigerastion, medium is compressed into the dielectric gas of high pressure-temperature, high temperature gas flow by compressor 121
Through outdoor heat exchanger 123, the pressure cooling through outside air is condensed into the liquid of normal temperature high voltage, liquid medium is through dry filter
Device 6 flows through the reducing pressure by regulating flow of electric expansion valve 7 after filtering, and becomes the gas-liquid mixed media of low-temp low-pressure, then through indoor heat exchanger 112
The steam of low-temp low-pressure is flashed to indoor return air and fresh air heat exchange, heat is absorbed in the process, indoor temperature is reduced；Most
The steam of low-temp low-pressure is sucked by compressor 121 again after being separated through gas-liquid separator 3 afterwards, completes the kind of refrigeration cycle of a closing.
Meanwhile, indoors in the presence of blower fan 111, the Cryogenic air after being exchanged heat through indoor heat exchanger 112 is blown through air channel from air outlet
Go out, cool in compartment.Indoors in the presence of blower fan 111, air at room temperature gets in machine cavity through return air inlet, and with through fresh air
The outer fresh air mixing of mouthfuls 113 cars entered, forms mixing air and carries out forced heat-exchanging cooling with indoor heat exchanger 111 again, formed
Cryogenic air, blows out through air outlet, realizes circulation temperature lowering.In the presence of outdoor fan 124, outdoor air is by from track both sides
Outdoor machine cavity air inlet 126 suck outdoor machine cavity, through outdoor heat exchanger 123 exchange heat after, the air of high temperature is again through on the wall of side
Outdoor machine cavity air outlet 125 is discharged into the external world, completes once top air intake, and wind process is changed in the condensation of side wall air draft.
In air-conditioner set heating operations, medium is compressed into the dielectric gas of high pressure-temperature, high temperature gas flow by compressor 121
Through indoor heat exchanger 112, the pressure cooling through fresh air and compartment return air is condensed into the liquid of normal temperature high voltage, released in the process
Thermal discharge, improves indoor temperature；Liquid medium becomes the gas-liquid mixed media of low-temp low-pressure through the reducing pressure by regulating flow of electric expansion valve 7,
The steam of low-temp low-pressure is flashed to through outdoor heat exchanger 123 and outside air heat exchange again, the steam of last low-temp low-pressure is through gas
Liquid/gas separator 3 is sucked by compressor 121 again after separating, and what completion one was closed heats circulation.
Claims (10)
1. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit, including it is arranged on housing（1）Interior control unit
（122）, freeze, heat device and pressure regulatory element, it is characterised in that：The refrigeration, the indoor fan heated in device
（111）With a compressor（121）Along stock rail（2）Direction is disposed side by side on immediately below it, two indoor heat exchangers（112）
It is symmetricly set on indoor fan（111）Both sides, two outdoor heat exchangers（123）With supporting outdoor fan（124）It is symmetrical arranged
In compressor（121）Both sides；Compressor（121）Outlet be sequentially connected two outdoor heat exchangers（123）, two indoor heat exchange
Device（112）, gas-liquid separator（3）, compressor（121）Air entry formation kind of refrigeration cycle path, and by being arranged on compressor
（121）Two position and four-way reversing valves in outlet（8）Commutation forms medium through two indoor heat exchangers（112）, two outdoor heat exchanges
Device（123）, gas-liquid separator（3）Into compressor（121）Air entry heats peripheral passage.
2. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim 1, it is characterised in that：Institute
State control unit（122）It is arranged on stock rail（2）Underface, positioned at indoor fan（111）With compressor（121）Between.
3. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim 1, it is characterised in that：Institute
State compressor（121）Media outlet at be provided with high-pressure switch（4）With high pressure transmitter（4-1）, set at air entry
There is low pressure switch（5）With low pressure transmitter（5-1）, high pressure and low pressure are switched（4、5）Signal output part connection control
Unit processed（122）.
4. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim 1, it is characterised in that：
Outdoor heat exchanger（123）With indoor heat exchanger（112）Between medium pipeline on be provided with device for drying and filtering（6）.
5. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim 1, it is characterised in that：
Outdoor heat exchanger（123）With indoor heat exchanger（112）Between medium pipeline on be provided with electric expansion valve（7）.
6. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim 1, it is characterised in that：Institute
State compressor（121）For horizontal type scroll frequency-changeable compressor.
7. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim 1, it is characterised in that：Institute
State compressor（121）Defrosting magnetic valve is parallel with outlet（9）, medium is through defrosting magnetic valve（9）It is connected in parallel to outdoor heat exchanger
（123）With indoor heat exchanger（112）Between medium pipeline on, defrosting magnetic valve（9）Controlled end connection control unit
（122）.
8. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim any one of 1-7, its feature
It is：The indoor fan（111）Using centrifugal blower.
9. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim any one of 1-7, its feature
It is：The outdoor fan（124）Using axial flow blower.
10. a kind of Cooling, heating system of empty rail Vehicular air-conditioning unit according to claim 8, it is characterised in that：Institute
State outdoor fan（124）Using axial flow blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456144.9U CN206383962U (en) | 2016-12-28 | 2016-12-28 | A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456144.9U CN206383962U (en) | 2016-12-28 | 2016-12-28 | A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206383962U true CN206383962U (en) | 2017-08-08 |
Family
ID=59490027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621456144.9U Expired - Fee Related CN206383962U (en) | 2016-12-28 | 2016-12-28 | A kind of Cooling, heating system of empty rail Vehicular air-conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206383962U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189851A (en) * | 2018-01-22 | 2018-06-22 | 石家庄国祥运输设备有限公司 | For the driver's cab air conditioner of low-floor rail traffic vehicles |
| CN110116603A (en) * | 2019-05-27 | 2019-08-13 | 赵宋 | Vehicle, air-conditioning mould group, energy modulus of conversion group and the component for energy conversion |
| CN114604282A (en) * | 2022-04-11 | 2022-06-10 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle air conditioning system and rail vehicle |
-
2016
- 2016-12-28 CN CN201621456144.9U patent/CN206383962U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189851A (en) * | 2018-01-22 | 2018-06-22 | 石家庄国祥运输设备有限公司 | For the driver's cab air conditioner of low-floor rail traffic vehicles |
| CN110116603A (en) * | 2019-05-27 | 2019-08-13 | 赵宋 | Vehicle, air-conditioning mould group, energy modulus of conversion group and the component for energy conversion |
| CN114604282A (en) * | 2022-04-11 | 2022-06-10 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle air conditioning system and rail vehicle |
| CN114604282B (en) * | 2022-04-11 | 2024-04-02 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle air conditioning system and rail vehicle |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |