CN100522671C - Roof-top air-conditioning equipment - Google Patents

Roof-top air-conditioning equipment Download PDF

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Publication number
CN100522671C
CN100522671C CNB2004800014846A CN200480001484A CN100522671C CN 100522671 C CN100522671 C CN 100522671C CN B2004800014846 A CNB2004800014846 A CN B2004800014846A CN 200480001484 A CN200480001484 A CN 200480001484A CN 100522671 C CN100522671 C CN 100522671C
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CN
China
Prior art keywords
module
air conditioner
top air
vehicle top
conditioner equipment
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CNB2004800014846A
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Chinese (zh)
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CN1717342A (en
Inventor
卡尔-海因茨·哈塞尔
西格贝特·舍恩
瓦弗利克·米洛斯拉夫
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Ingersoll Rand Co ltd
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Thermo King Deutschland GmbH
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Publication of CN1717342A publication Critical patent/CN1717342A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00371Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00514Details of air conditioning housings
    • B60H1/00542Modular assemblies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007Combined heating, ventilating, or cooling devices
    • B60H1/00207Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
    • B60H2001/00235Devices in the roof area of the passenger compartment

Abstract

Roof-top air-conditioning system (4) for a vehicle, especially for a bus, comprises a series of devices subjected in succession to the action of internal coolant and consisting of a high pressure-side heat-exchanger unit with a fan device (16), an expansion device, and an evaporating device. An inner duct arrangement (12) guides air. The high pressure-side heat-exchanger unit with the fan device has a modular construction. Connections for coupling modules (6a, 6b) of the same type can be provided, prepared or formed. The modules are designed for grid-like coupling of modules of the same output and/or of modules of stepped output. - Preferred Features: The modules are coupled in the longitudinal direction of the vehicle.

Description

Vehicle top air conditioner equipment
The present invention relates to a kind of self-propelled vehicle that is used for, in particular for the vehicle top air conditioner equipment of carryall.What wherein take in especially is the terrestrial transportation vehicle, load-carrying vehicle especially in described terrestrial transportation vehicle.Must satisfy requirement rail and load-carrying vehicle trackless generally.Main application is as the vehicle top air conditioner equipment on the carryall.
In US-A4679616, disclosed the vehicle top air conditioner equipment of feature with claim 1 preamble.The heat exchange rig of the whole high-pressure side of the drafting apparatus under having in this known vehicle top air conditioner equipment is assembled into first module in an intrinsic casing.The whole evaporation equipment of the blower fan under having constitutes second module, below for being called evaporating plant for simplicity.But wherein do not disclose and divide the composition module again these two modules.Only disclose and can respectively a module in these two modules be dismantled or another module in these two modules be installed again, a module in these two modules is that removable or whole vehicle top air conditioner equipment is made of such two modules.Usually determine the structure design of vehicle top air conditioner equipment in addition respectively according to the requirement of vehicle.But do not consider that wherein the different power requirement at different vehicles adopts identical module.And do not consider in the scope of the heat exchange rig of high-pressure side or adopt relevant respectively a plurality of modules in the scope at evaporating plant, or even adopt according to power classification or identical module.So it is corresponding less by the reasonable effect that modular construction is realized.
The objective of the invention is to the vehicle top air conditioner equipment of feature with claim 1 preamble is further rationalized the heat exchange rig that focuses on high-pressure side wherein.What wherein precritical work related to is that liquefying plant and postcritical work relate to gas cooler (referring to claim 29).
Adopt the feature of claim 1 to realize purpose of the present invention.
The present invention is based upon on the basis of following understanding, compares with the common parts of vehicle top air conditioner equipment for manufacturing cost and the consideration that takes up room at vehicle roof, and the heat exchange rig of high-pressure side has outstanding effect.Being familiar with departure point of the present invention based on this is, according to vehicle type the heat exchange rig of high-pressure side is carried out size design.Exactly emphasis is placed on the standard element, also is known as manufacturing in the present invention, stores and provides module.Wherein adopt unique one type module of the heat exchange rig of formation high-pressure side in ideal conditions even only.A kind of module so is not subjected to vehicle type, and for example influence of the structure kind of carryall with regard to rating horsepower and pressure loss and preferred also with regard to regard to the structure and size design of all parts, has minimum size design at least.When the higher rating horsepower of needs, can adopt the module of this standard to carry out the standard element assembling respectively as requested.
In conjunction with the argumentation of claim 8, the normalisation of the structure of each module is particularly also related to the normalisation of the casing of each module as below.This point not only relates to its outside dimension, for example length of hexahedron module, width and height, and also relate to the casing of standard moulding in ideal conditions on the whole, and therefore described casing itself also constitutes the member of the batch manufacturing that module makes.
Design of the present invention is that this module of at least two same types can interconnect, and this point can clearly be seen that from geometric configuration.Even but under the situation that only adopts a unique this module, when this module is made of described standard element, during the heat exchange rig of the high-pressure side that can be used for realizing two rating horsepowers, just realized design of the present invention by two identical modules being combined for example.
This is not obscured together with the frame mode of described prior art US-A4679616 of the present invention, inventive point in this document is, heat exchange rig for high-pressure side always only adopts a unique module, but must be again the size of this module being designed at different vehicle type, therefore is not the standard knots member applicable to the different vehicle type.
The fact that another point is not allowed to obscure is, even in corresponding open file, disclosed the member of this batch manufacturing as module, but project organization according to the present invention is to interconnect in the distinctive casing of vehicle according to the member of rating horsepower with the batch manufacturing of varying number respectively.
In US5121613A, disclosed a kind of like this member of batch manufacturing, described member is as the heat-exchanging piece with flange-cooled pipe, described pipe is used to carry refrigerant, can select the heat-exchanging piece of varying number for use, is arranged in the casing of fixing refrigerating apparatus.
In the vehicle top air conditioner equipment of the automobile that in DE19505403C2, discloses in addition with the member of the different batch manufacturing of the heat exchange rig of high-pressure side and evaporating plant only in a unique distinctive casing of automobile, interconnect with variable quantity respectively on the vertical and horizontal of automobile, what exactly relate to is evaporation device and liquefaction device.In the vehicle top air conditioner equipment of the same vehicle that in DE7714617U1, discloses, condenser assembly and evaporator assemblies are respectively the batch manufacturing member, the scantling length that described condenser assembly and evaporator assemblies have a standard laterally is connected with the member of identical batch manufacturing, described condenser assembly and evaporator assemblies vehicle vertically on extend.
The inventive point of vehicle top air conditioner equipment of the present invention is, be that the heat exchange rig with high-pressure side of different rating horsepowers proposes a kind of standard knots member structure generally speaking, has the identical module of rating horsepower, at least adopt a module according to required rating horsepower respectively, or two are rabbeted together mutually with plural identical module.But the present invention does not get rid of the different basic modules of adjusting at different rating horsepowers in the standard element system of the existing module that is encompassed in the high-pressure side heat exchange rig yet, and wherein this some basic modules that for example can be the rating horsepower minimum requires to carry out classification according to power according to the integral multiple of power or according to reality.But wherein the target of making every effort to realize under any circumstance all is that standard knots member according to this module provides quantity the least possible module with different rating horsepowers in principle.As what also will elaborate below be, in fact adopt maximum three kinds of modules with high-pressure side heat exchange rig of different rating horsepowers promptly can satisfy all requirements of carryall, in addition in addition the geometry outside dimension of described module can be identical (referring to the last a kind of situation in the claim 16).
On a common vehicle, most applications is obviously greater than transversely length for the length on longitudinal direction of car of the face on the roof that vehicle top air conditioner equipment is installed.That's how things stand on the common carryall.For consideration to this point, suggestion with a plurality of modules according to standard knots member mode vehicle vertically on connect.Therefore also can set in advance or when connecting, be provided with attaching parts on the module.Described attaching parts can be a plurality of.Also can for example soldering welding, sweat soldering, screw connection or riveted joint except the connection of any-mode.
And this design of connection to module not only relates to overall consideration on longitudinal direction of car, relates to the geometric configuration in the concrete extension of roof upper mould piece in addition.Therefore module can have the basic side of arbitrary shape basically, the pick up the car face structure at a top of described basic side.It under the wherein special situation foursquare basic side.But in most of the cases module has longitudinally extending basal plane, and described basal plane most applications has and has the rectangular shape angle or rounding.On the longitudinal direction of car to the bonded assembly of module design can also associate the module of the heat exchange rig that high-pressure side is set be connected on the direction of the vertical vehicle roof longitudinal axis with vertical upside offside ground wherein at vehicle.The basal plane of preferred in addition module is longitudinally extending and longitudinal axis module overlaps with the longitudinal axis of vehicle or roof face or is parallel to that the latter stretches or orientation on vehicle vertical at least substantially.
It is unmodified that design of the present invention is in addition just adopted the decision of pipe or flat tube at conditioning unit.Preferably (claim 5) is the conveying of realization to inner refrigerant, and the size design of the casing that the module of the heat exchange rig of high-pressure side has should be able to be selected for use pipe or flat tube are installed.This point is implemented in the standard element or can be only made decision to preparing and wait until the client as semi-finished module manufacturer or in the promoter's the supply of material warehouse, can adopt pipe or flat tube according to its requirement on automobile.But the producer that this point is not got rid of production in enormous quantities installs pipe or flat tube in advance.
Vehicle top air conditioner equipment of the present invention is intended to cool off (part of seeing claim 1) to remaining the air of air-conditioning according to its basic structure.With regard to the general conception of conditioning unit, conditioning unit of the present invention also can further be designed to can be selected use as to remaining the heating device of air of air-conditioning, and wherein said vehicle top air conditioner equipment also comprises and being used for remaining the equipment of air heating of air-conditioning.What claim 7 related to is preferably to be provided with on the structure.Wherein based on the common technology as main design plan, provide a kind of heat carrier in common mode, described carrier is in most cases from the cooling loop of car combustion engine.If there is no this loop or for other reasons for example also can be adopted electric heating apparatus or electric heating apparatus is installed as a supplement.
Under the situation that only adopts a kind of high-pressure side heat exchange rig module, described module is owing to batch manufacturing, so have identical basal plane.But under the situation of the existing standard framing member of above-mentioned discussion, during the multiple module of the different rating horsepower of preparation, will make every effort to several at least, preferably all modules that has identical longitudinal extension length respectively is set at the top of vehicle.Wherein will take in the above-mentioned preferable case of having discussed especially, promptly module is the extending longitudinally structure, and its longitudinally extending axis is directed or particularly overlap with the latter or parallel with the latter along axle vehicle or roof.But wherein also and be not precluded within the grid adopt several at least, the scheme of preferably all modules that has identical horizontal expansion length respectively, even this enforcement is preferred mode.
Each vehicle top air conditioner equipment of the present invention also has to be used to carry and remains the pepe installation of air of air-conditioning.Preferably the module to the heat exchange rig of inner pepe installation and high-pressure side is separated independent preparation according to the present invention, is the modular construction of casing with oneself in case of necessity, and engages on the side of heat exchange rig module.The present invention does not get rid of a kind of scheme that the heat exchange rig height of high-pressure side is integrated, wherein at least one section of internal duct device is comprised in the module of heat exchange rig of high-pressure side, wherein preferably in addition can also include an evaporating plant in the module of high-pressure side heat exchange rig.The latter's scheme must not be obscured with the design of following prior art, promptly each vehicle is produced vehicle top air conditioner equipment as one unit, and described unit also is known as module and is being installed in batches on the vehicle of same type after making in advance.Only consider according to the present invention that wherein adopting the standard knots member to have adjusts to identical rating horsepower and the unit of wherein preferably adjusting to identical pressure loss, under need situation greater than a minimum power, be bonded together as module with becoming lattice-shaped, or under the situation of the rating horsepower that should prepare smaller units in advance, can engage setting at vehicle roof.
No matter whether evaporating plant is installed in the module of heat exchange rig of high-pressure side, all evaporating plant to be arranged on the side of internal duct device, thereby under any circumstance realizes the area distributions that vehicle top air conditioner equipment is favourable.
Preferred embodiment evaporating plant and/or internal duct device are respectively the modular construction of the casing with oneself according to one.Wherein can associate, to all modules of the different rating horsepower of the heat exchange rig of high-pressure side, at least one section of internal duct device or internal duct device and/or evaporating plant only have a unique module respectively.Alerting ability for the standard knots member of the height of the structure that realizes whole vehicle top air conditioner equipment, according to further design of the present invention, evaporating plant itself preferably only has the power classification of a little and can select the production-release design of all modules according to whole vehicle top air conditioner design of plant respectively.Can make further design (seeing claim 16) to this general plotting (seeing claim 12), the structure of the module of the heat exchange rig of high-pressure side and/or the module of evaporating plant preferably remain unchanged with preferred only or mainly realize classification according to rating horsepower by quantity to adaptive identical unit ventilators of difference in the module of high-pressure side heat exchange rig or in evaporating plant or fan unit.Wherein relevant module is prepared, the identical structure that makes different fan unit of power only or unit ventilators is installed on the module or when changing rating horsepower with very little number change relatively can append installation.This design has realized under the identical situation of the external structure shape of the relevant module of classification only to hot exchange power that carries out in inside or the classification of evaporating all rating horsepowers of power.
As mentioned above, high-pressure side heat exchange rig and module thereof are preferably in vertically upward extending of automobile.Further design according to this design, preferably at least one section of evaporating plant and internal duct device respectively automobile or the module of the heat exchange rig of high-pressure side vertically on extend (seeing claim 17), at least one section of evaporating plant and internal duct device is preferably modular construction.
No matter whether internal duct device and evaporating plant itself are modular constructions, wherein they preferably particularly have oneself a section in the horizontal, and it is adaptive to realize that car roof bending is in the horizontal stretched by the special geometric form of automobile vehicle top air conditioner equipment transversely.Different modules or even only the corresponding setting section have automobile vertically on stretch or when directed seam or connection lead, this point has realized that at least one pair of section that adjoins each other in the horizontal, module or section and module order are benchmark with the horizon, or even be the bending setting of benchmark with adjacent section or adjacent module, see transversely even a plurality of bendings can be arranged wherein that the circular arc of described bending and the attachment face of vehicle roof or common bending conform to or be adaptive at least with it from whole.Wherein adjacent section, module or section or module between can adopt fixable articulated connection, this point is very important to the module that laterally is linked in sequence especially.Also can adopt fixing elbow connection mode to the section that laterally continues or the sequence or the module sequence in district.Elbow bonded assembly one particularly preferred scheme is, adjacent module, section or module and section between be provided with given curved frame as elbow.This point not only structurally is simple especially, and be convenient to installation exercise on roof, because the weight of the scope of the vehicle top air conditioner equipment of adjacent mutual bending can be used to adjustment to the end position of elbow required on vehicle roof during to the roof installation exercise.Under the situation of the deadweight of the scope of utilizing vehicle top air conditioner equipment, even can save the intrinsic means that are used for fixing the bent angle position, this is because the assurance that should fixing will obtain continuing owing to the weight of module or section.This puts not get rid of for the consideration to safety and also the elbow installation site is fixed.
Above measure relate to the space of automobile plane transversely roof attachment face inequality stretch adaptive, and the another kind of adaptive mode that claim 15 relates to automobile different attachment face (as long as width difference of this attachment face) transversely.For the weight well-distributed is considered, suggestion in this case with the vehicle top air conditioner device distribution on the whole width of the attachment face of automobile, for this reason for to be at least modular construction or the fixing structure on the Width compensate adjacent in the horizontal section and module to or module and section between be provided with at least one crossover assembly (referring to claim 15).
Best (according to claim 18) vehicle top air conditioner equipment is that benchmark becomes symmetrical structure with its center in the horizontal, wherein the heat exchange rig of high-pressure side be arranged on described in the heart.At first be connected to the internal duct device in the outside of its both sides and then be connected to evaporating plant in the outside, both sides of internal duct device, wherein the latter preferably engages with expansion gear.
On carryall, but also can be at some on other the vehicle preferably the setting of vehicle top air conditioner equipment should realize to the vehicle inside air air-conditioning, import the adjustment of the air-conditioning and/or the change-over valve between the mode of operation such as hybrid working between two kinds of mode of operation of the extraneous air in the vehicle.Particularly when at least one section of the internal duct device of vehicle top air conditioner equipment is modular construction, preferably is installed in and is provided with an installing space in the internal duct device, in described installing space, be equipped with maybe this change-over valve can be installed.Described change-over valve constitutes by adjusting turnover panel in common fully mode.
The heat exchange rig of high-pressure side is connected on the back of compression set usually on the flow direction of inner refrigerant in vehicle top air conditioner equipment, described compression set is different with the heat exchange rig of high-pressure side, be not mounted in the vehicle top air conditioner equipment, and be arranged in the space of driving engine of automobile or at least by automobile mechanical ground or hydraulically drive.Preferably a such compression set is installed in the vehicle top air conditioner equipment according to another embodiment of the present invention, exactly preferably is installed in the module of at least one high-pressure side heat exchange rig that has drafting apparatus.Wherein the compression set of Bu Chonging is an independent module with the casing of oneself.
Explained in addition additional module with high-pressure side heat exchange rig of drafting apparatus in vehicle top air conditioner equipment of the present invention in claim 22 to 28, described claim relates to the interpolation of further design according to the present invention to fuel-cell device.Wherein said fuel cell at least as the producer of the working current of this compression set, for example also replenishes where necessary in addition and is used for generation electric current when vehicle top air conditioner equipment also is used to heat when compression set being installed in the vehicle top air conditioner equipment.And ventilator and blower fan also need to provide electric current.This point is not got rid of fuel-cell device and is satisfied with other purpose, for example as the generator set of vehicle itself.
Can according to decades history common technology vehicle top air conditioner equipment is hanged down critical design, or vehicle top air conditioner equipment carrying out postcritical design according to current technology, the working medium of carbon dioxide as inner refrigerant for example adopted in wherein postcritical work.The heat exchange rig of high-pressure side or its module preferably also comprise a gas cooler (referring to claim 29) that is used for inner refrigerant in the latter case.
The present invention will be further described to the accompanying drawing of a plurality of embodiment as directed below.Shown in the figure:
Fig. 1 is the oblique birds-eye view that has tangent plane of first embodiment of vehicle top air conditioner equipment;
Fig. 2 is the view of second embodiment with first embodiment identical structure identical with Fig. 1, but does not have tangent plane and rating horsepower difference;
Fig. 3 is the view with local tangent plane of the heat exchange rig of high-pressure side shown in Figure 2;
Fig. 4 is the view with local tangent plane of a module of the heat exchange rig of high-pressure side shown in Figure 3;
Fig. 5 illustrates the modification of Fig. 4 of the identical basic structure with higher rating horsepower;
Fig. 6 and 7 is and the similar view of Figure 4 and 5, but the conduit of inner refrigerant adopts different pipe geometric configuratioies;
The section drawing of Fig. 8 vehicle top air conditioner equipment of the present invention;
Fig. 8 a is the partial enlarged drawing of Fig. 8;
Fig. 9 illustrates the modification of Fig. 8 a;
Figure 10 is the enlarged drawing as the internal duct device section of the module that independently has casing;
Figure 10 a is identical with Figure 10, but the additional adjustment turnover panel that the change-over valve that switches between the mode of operation of different air-conditionings is installed;
Figure 11 is the pining drawing of vehicle top air conditioner equipment of the present invention;
Figure 12 is the replacement scheme of Figure 11;
Figure 13 is the upward view of the embodiment of vehicle top air conditioner equipment of the present invention;
Figure 13 a is along the cutaway view of XIII-XIII line among Figure 13;
Figure 14 is installed in the section drawing of independently module of the fuel cell of vehicle top air conditioner equipment of the present invention;
Figure 15 is the section drawing of independently container of the fuel of described fuel cell, and wherein said container itself is the independently module with the casing that is used to be installed in vehicle top air conditioner equipment of the present invention; With
Figure 16 is the replacement scheme of Figure 11.
In Fig. 1, dot the attachment face on the roof of unshowned carryall in the drawings, first embodiment of vehicle top air conditioner equipment 4 is installed on described attachment face.
At this, vehicle top air conditioner equipment is identical with most other embodiment only to be made of the module of production-release design, and described module can have the nominal parameter of classification as the case may be.In the embodiment shown, the irrelevant geometric configuration of all modules of a kind of particular type and its nominal parameter with predetermined external, this geometric configuration is by the casing decision of relevant module.
Vehicle top air conditioner equipment 4 as shown in Figure 1 has the different module that has the basal plane that is roughly rectangle respectively, and the longitudinal axis 3 that described module is parallel to attachment face 2 extends.Wherein the Width of attachment face 2 is provided with the sequence of two modules, 6 formations of the high-pressure side heat exchange rig with different rating horsepowers, and the distolateral of described module is not bonded together to dislocation mutually.For realizing mutual joint, module 6 is provided with and is used for overlapped wall convex shoulder 7, and described wall convex shoulder 7 is fixed with each other by screw or rivet 8.
In the both sides of module 6 be respectively arranged with having essentially identical longitudinally-extending sides offside respectively and be used for to remaining the lead module 10 of the internal duct device 12 carried of the air of air-conditioning.Be extended with the module 14 of the evaporating plant that has identical configuration respectively along two outsides of module.
The difference of two modules 6 of the heat exchange rig in Fig. 1 is the rating horsepower difference, three ventilators 16 wherein are installed on module 6a, and another module 6b only has a ventilator 16 under the identical situation of module longitudinal extension.
In Fig. 1, only ventilator is shown with grid.On module 6b, add and be provided with a reservation installation site 17 that does not have ventilator and grid, on described reservation installation site, can reserve the installation site 17 identical ventilators 16 that have grid of installing selectively with unshowned in the drawings the 3rd.Reserving under the situation that installation site 17 is not used, must be with not shown cover cap with its closure.
The of the same type side transverse connection 18,19 identical with transverse connection 7,8 is set between module 6 and 10.Although not shown, can also add to associate between module 10 and 14, also being provided with transverse connection.
The difference of Fig. 2 and Fig. 1 only is on the untapped reservation installation site 17 grid shown in ventilator 16 and the figure to be installed also on the module 6 in Fig. 1.
By to Fig. 1 and 2 more as can be seen, under the usually identical situation of module 6 profile geometric configuratioies, a ventilator (Fig. 1), two ventilators 16 (Fig. 2) or three ventilators 16 (the module 6a among Fig. 1 and 2) can be installed selectively.Wherein can on a module 6, realize three kinds of different rating horsepowers respectively by module 6 identical structures.
In Fig. 1 and 2, also illustrate in addition, can realize the gross horsepower of high-pressure side heat exchange rig by the assembling that will have two modules of different rating horsepower (in Fig. 1 and three rating horsepowers and two and three rating horsepowers in Fig. 2) respectively.
Wherein can also adopt the scheme of other variation, not shown to this.Especially on the one hand can consider plural module 6 is axially connected, also can consider to be respectively a module on the other hand and be equiped with ventilator 16 more than three.With regard to carryall, confirm, adopt the module with identical usually profile geometric configuration as be shown in the examples through practice, according to the needs employing of power in the mode that changes between two, three and four ventilators, be enough to meet the demands.
The structure of module is shown in Fig. 3 to 9 in further detail.
At first on the one hand from Figure 4 and 5, on the other hand from Fig. 6 and 7 as can be seen, externally being used to carry the geometric configuration of the pipeline of inner refrigerant under geometric configuration or module size and the situation that particularly height of module remains unchanged can be arbitrarily.For example the flat tube shown in the pipe shown in Fig. 3-5 20 and Fig. 6 and 7 21 can illustrate this point, and wherein these pipes have a kind of radiating gill muscle 22 respectively.Described radiating gill muscle 22 is loaded by ambient air, and in-to-in refrigerant cools off ambient air in common mode, and the thermal conductance that will absorb when refrigeration air-conditioner.
In Fig. 8, but part is also represented the intrinsic casing of module 6 or 5,6a and 6b, module 10 and module 14 with Reference numeral 23,24 and 25 in other figure.
In Figure 10 and 10a, also further be clearly shown that the casing 24 of internal duct device.
In Figure 10 a, also be illustrated in having in the casing and adjust the change-over valve 26 of plate 28, adopt described change-over valve to realize remaining the air of air-conditioning with the processing of the mode of circulated air, fresh air or mixing what carry by in-to-in pepe installation 10 in common mode.
Usually form one and remain ingate 30 and the egress hole 32 that dividing plate 31 flows to the ozone of change-over valve 26 that pass through that the ingate 29, of air of air-conditioning be used for entering from the outside by what the vehicle inside space entered on casing 24, described egress hole will remain the inner air of air-conditioning or extraneous air and flow to evaporating plant on the module 14.In addition, the further design to transverse connection 18,19 is shown also among Figure 10, also will be described further in conjunction with Fig. 8 below this.
Midway location in Fig. 8 a is clearly shown that module 10.
It can also be seen that in addition, the module 14 of evaporating plant also contains other following member: will include on the one hand an evaporation heat-exchanger 36 all the time, described evaporation heat-exchanger inside is loaded by in-to-in refrigerant and the outside air of being carried by the internal duct device of air-conditioning of remaining loads.Wherein the whole height of evaporation heat-exchanger 36 extends with casing 25 adaptive.Can realize the variation of power by the quantity that changes blower fan 38, but a blower fan only is shown among the figure.Can consider that each module adopts 1-4 blower fan, thereby in fact have two-fold blower fan quantity, also can realize double evaporation power under the situation of therefore a left side and evaporation heat-exchanger 36 right side in employing corresponding to module 6 bilateral symmetry.But also can increase the quantity of blower fan 38 or only under other limiting case, abandon employing a blower fan.
Not only be used for freezing at vehicle top air conditioner equipment to remaining the air of air-conditioning, but also can add when being used to heat in addition, on evaporating plant module 14, a reheat heat exchanger can also be installed, described reheat heat exchanger have pipe shown in embodiment in the cooling system conditioner of the driving combustion engine of handy carryall heat and outside load equally with remaining the air of air-conditioning.This point is applicable to the situation that adopts flat tube certainly too.But also can substitute other heating member of above-mentioned employing, described heating member current flow heats, not shown in the drawings to this.
In Fig. 8 a, only draw pipe, but equally also can substitute pipe with flat tube.
One side as can be seen in Fig. 8 a and 9, for the width dimensions with attachment face 2 carries out adaptive, module 6,10 and 14 side can keep certain intervals with a crossover assembly 42 respectively, and described crossover assembly is installed between module 6 and the module 10 in the both sides of module 6.Another crossover assembly in most cases is not indispensable, but can be arranged on equally between module 10 and 14 where necessary yet.As can be seen from the figure, crossover assembly 42 is modules (only shown in Figure 9) that the structure by the casing shape constitutes.
Also illustrate in Fig. 8 a and 9 in addition, it is relative crooked that module 10 can fit within row corresponding to the module 6 and the surperficial radian of attachment face on the Width of vehicle.The attaching parts 44 of a hinge type wherein shown in Figure 9, and at a kind of crooked turn-out track attaching parts 46 shown in Fig. 8 a,
To contrast below that Figure 11 waits and be illustrated in conjunction with some other important mode of operation of replenishing to so far described setting.
Shown in pipeline Figure 11 and 12 of in-to-in refrigerant, at first the following loop of inner refrigerant can be considered as a kind of possible mode of operation: compression set or compressor 50 are by drive motor 48 Mechanical Driven of carryall, described compressor is used for inner refrigerant is risen to high pressure conditions and presents heat exchange pipe 20 or 21 to module 6 in-to-in heat exchange rigs internally by compressibility influence from low-pressure state, and wherein the exterior muscle at heat exchange pipe discharges heat to ambient air.In-to-in refrigerant is fed to the expansion gear 52 in the evaporation module 14 then, and in-to-in refrigerant is switched to low-pressure state again and is fed to evaporating plant 36 in the module 14 under this state herein.Expansion gear 52 mechanically is connected with evaporating plant 36.In-to-in refrigerant is fed to compression set 50 again from evaporating plant.
Be clearly shown that the loop direction of refrigerant with symbol in the middle part of Figure 11.
Evaporating plant is separately positioned in separately the module 14 in Figure 11, but also can be arranged on as shown in figure 12 in the module 6 of heat exchange rig of high-pressure side.
Wherein for unified for simplicity represent with Reference numeral 54 main by pipe fitting 20 or 21 and the heat exchange rig of the high-pressure side that constitutes of exterior muscle 22.
In addition compression set 50 is arranged in the scope of drive motor of automobile of vehicle top air conditioner equipment of the present invention outside in Figure 11 and 12.Figure 13 illustrates according to preferred variation scheme of the present invention, wherein compression set 50 be arranged on one oneself the module with independent casing 56 and embed vehicle top air conditioner equipment of the present invention one corresponding recessed in.For the purpose of directly perceived, the cover plate in Figure 13 below the module 56 is removed.As can be seen from the figure, the longitudinal extension of module 56 at this embeds in the space of therefore winning less than the longitudinal extension of module 10 and 14 and compression set 50.The common installation component of representing the control unit of power supply and affiliated electric component with Reference numeral 58.
60, two the described parts 50 of casing and 58 that wherein schematically illustrate module 56 in the cutaway view of Figure 13 a are installed in the described casing.Pass the sleeve pipe extracting power supply cord 62 shown in its outside from casing 60.
Similar with module 56, can also install or the additional fuel-cell device 64 that the independently module of the casing 66 that a conduct has oneself is installed extending axially of module 6, described fuel-cell device forms the module 68 of oneself.
The intrinsic cooling loop 70 of fuel-cell device necessity only is shown in the drawings, and described cooling loop equally also is comprised in the casing 66.Can also see the electrical connecting wires of the electric energy that in fuel-cell device, produces in addition in the drawings and have under the feed pipe of fuel-cell device be used to import and discharge the sleeve pipe 74 of fuel, described sleeve pipe equally also passes casing 66 and draws.
Figure 14 illustrates a kind of embodiment, and wherein fuel is conveyed into from the outside in the module 68 and is discharged again in module with waste gas.
With above-mentioned corresponding, Figure 15 illustrates the independently module 76 of another casing with oneself 78, and described casing has the container 80 of the fuel of fuel-cell device 64.This module 76 can identically with above-mentioned module 56 and/or 68 can be equally independent or with two modules 56 and 68 or combine with one of them module and to be arranged in the vehicle top air conditioner equipment 4.Can also associate to fuel-cell device preferably replenishes to be provided with at this in addition and be used for independent hole that container is filled and the extraction pipeline that is used to extract fuel.
Figure 16 illustrates the pining drawing to Figure 11 expansion, wherein vehicle top air conditioner equipment is replenished the module with fuel-cell device 68.Be provided with at this and be used for in-to-in cooling system conditioner that fuel cell 64 is cooled off.The cooling system conditioner that for this reason utilizes 52 pairs of expansion gears to be in high pressure conditions carries out chokes, makes it to be in low-pressure state and flows to evaporating plant 36.In the cooling loop 70 of fuel cell, cooling system conditioner is cooled off (referring to claim 25) in the manner illustrated.Can also be provided with cooling loop in addition as the independent module that vehicle top air conditioner equipment is replenished.Certainly, also can or use the air that is cooled off by in-to-in refrigerant that fuel cell is cooled off in addition simultaneously.

Claims (31)

1. a vehicle top air conditioner equipment (4) adopts in-to-in refrigerant according to the work of cryogen contraction principle, is used for autotruck, wherein is provided with:
The sequence that is loaded in proper order by in-to-in refrigerant of the heat exchange rig of high-pressure side (54), drafting apparatus (16), expansion gear (52) and evaporating plant (36) under having,
At the in-to-in pepe installation (12) of vehicle top air conditioner equipment (4), described pepe installation is used to carry and remains the air of air-conditioning, and described air and evaporating plant (36) carry out interchange of heat,
Modular construction (6) with the heat exchange rig (54) of high-pressure side has the affiliated drafting apparatus (16) in the casing (16,14) at self,
It is characterized in that,
For the joint of this module of the same type (6a, 6b) of the heat exchange rig (54) of high-pressure side be provided with, prepared or form attaching parts (34) and
The design of described module (6 or 6a, 6b) should realize the joint (7,8 of the lattice-shaped of the module that has the module of equal-wattage and/or have tappered rating; 34).
2. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that, module (6 or 6a, 6b) vehicle vertically on be engaged.
3. according to claim 1 or 2 described vehicle top air conditioner equipment, it is characterized in that the heat exchange rig of high-pressure side (54) has the pipe (20) that is used to carry in-to-in refrigerant.
4. according to claim 1 or 2 described vehicle top air conditioner equipment, it is characterized in that the heat exchange rig of high-pressure side (54) has the flat tube (20) that is used to carry in-to-in refrigerant.
5. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that the size of the casing (23) of the heat exchange rig of high-pressure side (54) should be able to be embodied as can select pipe (20) or flat tube (21) for use to the conveying of in-to-in refrigerant.
6. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that described vehicle top air conditioner equipment comprises that also one is used for remaining the heating arrangement (40) that the air of air-conditioning heats.
7. according to the described vehicle top air conditioner equipment of claim 6, it is characterized in that, heating arrangement has at least one reheat heat exchanger (40), and described reheat heat exchanger gas circuit serial connection of air of air-conditioning of remaining along the outside muscle sheet of at least one evaporation heat-exchanger in having the evaporating plant of exterior radiation rib (36) is provided with.
8. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that, in grid, be provided with several modules (6a, 6b) that have identical longitudinal extension length respectively at least.
9. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that described module (6 or 6a, 6b) also comprises the section of evaporating plant (36) and at least one internal duct device (12).
10. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that in-to-in pepe installation (12) and module (6 or 6a, 6b) divide the side that is arranged and is connected on module.
11., it is characterized in that evaporating plant (36) is arranged on the side of internal duct device (12) according to the described vehicle top air conditioner equipment of claim 1.
12., it is characterized in that evaporating plant (36) and/or internal duct device (12) have the casing (24 of oneself respectively according to the described vehicle top air conditioner equipment of claim 1; 25), become module (10; 14) structure.
13. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that, vehicle top air conditioner equipment vehicle transversely be divided into section and/or module (6,10,14) and adjacent section, module or section and module between relative angle position transversely can adjust at vehicle.
14. according to the described vehicle top air conditioner equipment of claim 13, it is characterized in that, at least one pair of section to, module to or section and module to being together with each other by articulated connection (44) and/or soft crooked connect (46).
15. according to claim 13 or 14 described vehicle top air conditioner equipment, it is characterized in that section, module or section and module between crossover assembly (42) is installed.
16. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that, by to the identical fan unit (38) that is installed in the varying number in the evaporating plant (36) and/or by the identical unit ventilators (16) of the varying number in the heat exchange rig (54) that is installed in high-pressure side being realized selection the different power level of module (6,14).
17. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that, the heat exchange rig of high-pressure side (54), evaporating plant (36) and at least internal duct device (12) a section respectively vehicle vertically on extend.
18. according to the described vehicle top air conditioner equipment of claim 1, the structure that it is characterized in that vehicle top air conditioner equipment (4), high-pressure side heat exchange rig (54) is arranged on described vehicle top air conditioner equipment midway location transversely, be connected to in-to-in pepe installation (12) in the outside, both sides of described high-pressure side heat exchange rig and be connected to evaporating plant (36) in the outside, both sides of pepe installation, described evaporating plant engages with expansion gear (52) respectively.
19. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that, the in-to-in pepe installation (12) of vehicle top air conditioner equipment (4) has an installing space (24), a change-over valve (26) is installed in described installing space, and described change-over valve is used for carrying out air-conditioning, carrying out switching between the mode of operation of the hybrid working between air-conditioning and/or this two kinds of mode of operation to introducing air outside in the vehicle at the air to vehicle interior.
20., it is characterized in that the heat exchange rig (54) to the high-pressure side that has drafting apparatus (16) at least one module (6 or 6a, 6b) also is supplemented with a compression set (50) according to the described vehicle top air conditioner equipment of claim 1.
21., it is characterized in that this module (56) structure of the compression set (50) that replenishes according to the described vehicle top air conditioner equipment of claim 20 as casing with oneself.
22., it is characterized in that the heat exchange rig (54) to the high-pressure side that has drafting apparatus (16) at least one module (6 or 6a, 6b) also is supplemented with a fuel-cell device (64) according to the described vehicle top air conditioner equipment of claim 1.
23., it is characterized in that this module (68) structure of the fuel-cell device (64) that replenishes according to the described vehicle top air conditioner equipment of claim 22 as the casing with oneself (66).
24., it is characterized in that one independently cooling mechanism (70) or cooling module cooperate with fuel-cell device (64) in the vehicle top air conditioner equipment according to claim 22 or 23 described vehicle top air conditioner equipment.
25., it is characterized in that also the act as a fuel cooling system conditioner of cell apparatus (64) of inner refrigerant according to the described vehicle top air conditioner equipment of claim 23.
26., it is characterized in that the container (80) of the fuel of fuel-cell device (64) is installed in the vehicle top air conditioner equipment (4) according to the described vehicle top air conditioner equipment of claim 22.
27., it is characterized in that container (80) itself is an independently module (76) according to the described vehicle top air conditioner equipment of claim 26.
28. according to the described vehicle top air conditioner equipment of claim 26, it is characterized in that, this module (68) structure of the fuel-cell device (64) that replenishes as the casing with oneself (66), and container (80) is installed in the module (68) of fuel-cell device (64).
29., it is characterized in that the mode of operation of air-conditioning is designed to overcritical and heat exchange rig (54) high-pressure side has a gas cooler that is used for refrigerant according to the described vehicle top air conditioner equipment of claim 1.
30., it is characterized in that described vehicle top air conditioner equipment is used for carryall according to the described vehicle top air conditioner equipment of claim 1.
31. according to the described vehicle top air conditioner equipment of claim 1, it is characterized in that, the heat exchange rig of high-pressure side (54), evaporating plant (36) and at least a section of internal duct device (12) extend vertically going up of module (6,10,14) respectively.
CNB2004800014846A 2003-10-02 2004-09-14 Roof-top air-conditioning equipment Active CN100522671C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20315237.9 2003-10-02
DE10345997.9 2003-10-02
DE2003145997 DE10345997A1 (en) 2003-10-02 2003-10-02 Roof-top air-conditioning system for a vehicle, especially for a bus, comprises connections for coupling modules of the same type, and modules designed for grid-like coupling of modules of the same output and/or modules of stepped output

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CN1717342A CN1717342A (en) 2006-01-04
CN100522671C true CN100522671C (en) 2009-08-05

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