CN208558937U - Heat ventilating and air conditioning system - Google Patents

Abstract

Heating ventilating and air conditioning system includes shell, evaporator, heater, rib and mode baffle.Evaporator is arranged in shell.Heater is also disposed at the downstream in shell and being located at evaporator.Rib is arranged between evaporator and heater, and at least part for being cooled down by evaporator and being bypassed the fluid of heater is guided to first outlet and guides the residual fluid cooled down by evaporator to heater.Mode baffle plate setting heater downstream and first and second construction between move, at least one of first outlet and second outlet are flowed to by the fluid of heater heating for adjusting, to realize the various combination of the fluid flow temperature in the first and second exits.

Description

Heat ventilating and air conditioning system

Technical field

This disclosure relates to a kind of heating ventilating and air conditioning system, particularly this disclosure relates to which a kind of heating for vehicle is logical Wind and air-conditioning system.

Background technique

Traditional air-conditioning system includes condenser, evaporator, expansion device, compressor and heater.Compressor will freeze Agent gas pumps supreme pressure and high temperature.Hereafter, refrigerant gas enters condenser, and refrigerant gas loses at this to outside air Thermal energy is removed, be cooled and is condensed into liquid phase.Hereafter, expansion valve regulation refrigerant liquid is simultaneously further cold with rate appropriate flowing But refrigerant.Finally, cooling liquid refrigerant returns to evaporator, cooled liquid refrigerant evaporation there.Work as liquid When cryogen evaporates, refrigerant absorbs thermal energy from the air inside capsule, especially in the case where vehicle air conditioner Compartment, and return to compressor, and repeat above-mentioned circulation.In the process, heat absorbs out of compartment and is transmitted to vehicle Outside compartment, cause air in a car compartment cooling.Air blower generates pressure difference between evaporator and heater, to promote fluid to pass through steaming Send out the flowing of device and heater.Multiple temperature baffle joint operations around heater and evaporator are set to adjust by evaporating The flowing of the fluid of at least one of device and heater processing, to provide stream in the different ventilation openings of air-conditioning system/exit The various combination of body flowing temperature.

In the case where traditional air-conditioning system, the air-flow after evaporator is divided at least two by least one temperature baffle A part, such as disclosed in US2015343995A, go out wherein being directed to first by the portion of air that evaporator cools down Mouthful and the second part air that is cooled down by evaporator be directed to second outlet, for being mixed with the fluid heated by heater It closes, to realize the various combination of the fluid flow temperature in different exits.However, adjusting the stream of the fluid stream cooled down by evaporator It is dynamic and guide such cold fluid into hot fluid and be difficult and low energy efficiency.In addition, traditional air-conditioning system makes The various combination of the fluid temperature (F.T.) in different exits is realized with the multiple baffles and baffle plate that are arranged in around heater.And And need corresponding driving part come operate baffle and realize different exits fluid temperature (F.T.) various combination.Specifically, Air-conditioning system disclosed in the patent application US2015343995A and US2005051320 that the U.S. announces needs multiple baffles and phase The driving part answered operates baffle.Baffle and corresponding driving part are passed through with heater and evaporator binding operation with adjusting The air-flow and temperature of the air of difference outlet conveying.However, baffle and corresponding driving part need sizable operating space To operate them；Also it is encapsulated in limited shell space and is difficult.In addition, baffle and corresponding driving part increase Whole manufacturing cost, built-up time and weight.In addition, the reliability of system significantly drops with the increase of moving parts quantity Low and maintenance cost dramatically increases.These additional components can hinder the air-flow by air-conditioning system, so as to cause increased The efficiency of flow losses, the pressure loss, flow noise, energy consumption and air-conditioning system reduces.Therefore, it is necessary to a kind of structure is simple And the air-conditioning system of minimum movement component is needed, to eliminate and need the tradition of multiple baffles and respective drive component empty The disadvantage of adjusting system correlation.In particular it is required that a kind of reduction flow losses, the pressure loss, flow noise, energy consumption and can It leans on, is energy efficient, is cheap, convenient for assembling and need to subtract reduced-maintenance air-conditioning system.

Utility model content

The purpose of this utility model is to provide for a kind of air-conditioning system, eliminates and needs multiple baffles and corresponding drive The disadvantage of the traditional air-conditioning system correlation of dynamic component.

Another purpose of the utility model is to provide for one kind and substantially reduces flow losses, the pressure loss, flow noise With the air-conditioning system of energy consumption.

Another purpose of the utility model is to provide for a kind of air-conditioning system using minimal number of moving parts, institute Moving parts is stated to need relatively small number of operating space and be packaged in the intracorporal limited sky of shell of air-conditioning system with can be convenient Between in.

Another purpose of the utility model is to provide for a kind of simple air-conditioning system of structure.

Another purpose of the utility model is to provide for a kind of reliable, energy efficient and cheap air-conditioning system.

Another purpose of the utility model is to provide for a kind of need compared with reduced-maintenance air-conditioning system.

Another purpose of the utility model is to provide for a kind of air-conditioning system convenient for assembling.

In the present specification, some elements or parameter can be indexed, such as first element and second element.At this In the case where sample, unless otherwise indicated, such index is intended merely to distinguish and name similar but different element.It should not be from The idea of priority is inferred in such index, because these terms can be turned without departing substantially from the utility model It changes.In addition, the index is not meant to any sequence for the element for installing or using the utility model.

A kind of heating heating ventilation and air-conditioning (HVAC) system is disclosed in accordance with an embodiment of the present disclosure, hereinafter referred to as " system ". The system includes shell, evaporator, heater, rib and mode baffle.The evaporator is arranged in shell.Heater is also disposed at Downstream in shell and positioned at evaporator.Rib is arranged between evaporator and heater, and will be cooled down and be bypassed by evaporator and added At least part of the fluid of hot device guides to first outlet and guides the residual fluid cooled down by evaporator to heater.Mould Formula baffle plate setting heater downstream and first and second construction between move, for adjusts by heater heating stream Body flows at least one of first outlet and second outlet, to realize the fluid flow temperature in the first and second exits not With combination.

Embodiment according to the present utility model, shell include multiple apertured flanges, in order to install on the car body shell.

Another embodiment according to the present utility model, shell include the spiral case part for receiving air blower, the air blast Machine generates pressure difference and is used to receive the fluid in shell (1) and the fluid of reception inside housings is promoted to flow through evaporator, add Hot device and the flow channel constructed by mode baffle and rib；

Embodiment according to the present utility model, heater are electric heaters；

Specifically, heater is positive temperature coefficient (PTC) heater.

Alternatively, heater is resistance heater.

Preferably, rib extends along the axial dimension of evaporator and heater.

According to an embodiment, rib is separately positioned between evaporator and the opposite face of heater.

An embodiment according to the present utility model, rib have fixture construction and the rib phase with evaporator and heater respectively Opposite is together and at least one first inner wall of shell constitutes the intermediate channel of constant volume between evaporator and evaporator.

At least the second inner wall of embodiment according to the present utility model, rib and shell is bonded bypass passageways, the bypass Channel guidance is cooled down by evaporator and is bypassed at least part of the fluid of heater to first outlet.

In general, heating ventilating and air conditioning system further includes the deflector of installation on the heaters, which is guided by steaming Send out device cooling and around at least part of the fluid of heater to first outlet.

Alternatively, deflector and rib be integrated and extend from rib.

Embodiment according to the present utility model, mode baffle include hub, the first plate and the second plate.Hub is that can revolve around its axis Turn.First plate is fixed to hub and extends from hub and have construction at least one first sealed lip of its far-end.The Two plates are fixed to hub and extend from hub and be angularly spaced with the first plate.Second plate has at least one being constructed thereon Second sealed lip.

Preferably, in its first construction mode baffle by least part of the fluid heated by heater guide to First outlet, to promote at least part of the fluid heated by heater with the fluid for being cooled down by evaporator and being bypassed heater Mixing, and also guide the remainder of the fluid heated by heater to second outlet.

An embodiment according to the present utility model, in the second construction of mode baffle, at least one second sealed lip Deflector is abutted against without hindering bypass passageways, thus allow to be cooled down by evaporator and bypassed the fluid of the heater At least part flow to first outlet via bypass passageways.

According to another embodiment, the mode baffle in its second construction guides all fluids heated by heater To second outlet, and also at least part for being cooled down by evaporator and being bypassed the fluid of heater is guided via bypass passageways To first outlet.

Another embodiment according to the present utility model, in the second construction of mode baffle, at least one described sealing lip Portion further extends over deflector, to interfere at least part of flowing for the fluid for being cooled down by evaporator and being bypassed heater To primary outlet.

According to yet another embodiment, in its second construction mode baffle by all fluids heated by heater guide to Second outlet, and at least part for the fluid for being cooled down by evaporator and being bypassed heater is stopped to flow to first outlet.

Detailed description of the invention

Other features, details and advantage of the utility model can be inferred to from the following description to the utility model Come.The more complete understanding of the utility model and its adjoint many advantages will be easy to get, as it is by referring to combination Attached drawing consider when it is described in detail below become to be best understood from, in the accompanying drawings:

Fig. 1 shows the sectional isometric view of heating heating ventilation and air-conditioning (HVAC) system, wherein according to first embodiment Mode baffle is in the first construction to limit the first operator scheme of the system；

Fig. 2 shows the schematic diagrames of the fluid flowing in heating heating ventilation and air-conditioning (HVAC) system of depiction 1；

Fig. 3 shows the sectional isometric view of heating heating ventilation and air-conditioning (HVAC) system of Fig. 1, wherein implementing according to first The mode baffle of example is in the second construction to limit the second operator scheme of system, and mode baffle is shown in same figure Enlarged view；

Fig. 4 shows the schematic diagram of the flowing of the fluid in heating heating ventilation and air-conditioning (HVAC) system of depiction 3；

Fig. 5 shows the sectional isometric view of heating heating ventilation and air-conditioning (HVAC) system of Fig. 1, wherein implementing according to second The mode baffle of example is in the second construction to limit the third operation mode of the system, and mode baffle is also shown in same figure Enlarged view；

Fig. 6 shows the schematic diagram of the flowing of the fluid in heating heating ventilation and air-conditioning (HVAC) system of depiction 5；With

Fig. 7 shows the schematic diagram for describing the heat distribution of fluid of heating heating ventilation and air-conditioning (HVAC) system for flowing through Fig. 1.

Specific embodiment

Must be noted that attached drawing by enough in detail so as to implementation in a manner of disclose the utility model, the attached drawing has Help preferably limit the utility model when needed.However, the utility model should not necessarily be limited by embodiment disclosed in specification.

A kind of heating heating ventilation and air-conditioning (HVAC) system is disclosed in accordance with an embodiment of the present disclosure.Although however, the disclosure Heating, ventilating and air conditioning system be used for vehicle compartment air-conditioning, however, heating, ventilating and air conditioning system can also be used for other Using, and it is not limited only to compartment air-conditioning.

Fig. 1 shows description heating heating ventilation and air-conditioning (HVAC) system 10 according to an embodiment of the present disclosure (hereinafter referred to as For system 10) interior details sectional isometric view, wherein mode baffle be in first construction to limit the first of system 10 Operation mode.System 10 includes shell 1, at least one evaporator 2, at least one heater 3, at least one rib 5 and at least one A mode baffle 4.

Shell 1 is mounted in car body (not shown) and receives fluid from the entrance being constructed thereon.Shell 1 includes tool There are the external flange 1a in the hole being constructed thereon, also referred to as apertured flanges 1a.Construct the hole on the flange 1a of shell 1 and structure It makes in car body or from the corresponding aperture matching on the flange that car body extends, in order to by using such as nuts and bolt arrangement part Fastener installs shell 1 on the car body.Shell 1 is fixedly mounted on car body however, the utility model is not limited to use in Specific type and construction mounting arrangements part.

Shell 1 further includes the spiral case part 1b for receiving air blower (not shown in figures).Fluid to be regulated is logical Opening/the fluid inlet constructed on shell 1 is crossed to be received within the case 1.Specifically, air blower generates pressure difference for receiving It fluid in shell 1 and is also used to that fluid is promoted to flow through evaporator 2, heater 3 and the stream being made of mode baffle 4 and rib 5 Dynamic channel.5 binding operation of rib that the mode baffle 4 in 3 downstream of heater is set and is arranged between evaporator 2 and heater 3, With adjust fluid handle by least one of evaporator 2 and heater 3 flow with the different ventilation openings of air-conditioning system 10/ The various combination of exit offer fluid flow temperature.

Evaporator 2 is arranged in shell 1 and cooling is thus from the received air of air blower.Heater 3 is also disposed at shell Downstream in body 1 and positioned at evaporator 2.Heater 3 heats thus received air.Embodiment according to the present utility model, adds Hot device 3 is electric heater.Embodiment according to the present utility model, heater 3 are positive temperature coefficient (PTC) heaters.According to this Another embodiment of utility model, heater 3 are resistance heaters.However, the utility model is not limited to any of heater 3 Specific type and construction.In addition, the utility model is not limited to any specific type and construction of evaporator 2.Implemented according to one Example, the inner wall of shell 1 be it is complementary with the outer wall of evaporator 2, for constructing the sliding engagement between evaporator 2 and shell 1.According to Another embodiment, the wall of shell 1 include the installation for being fixedly mounted in evaporator 2 with desired orientation in shell 1 Arrange part.Specifically, mounting arrangements part includes the apertured flanges constructed on the wall of shell 1 and evaporator 2, so that construction is in shell Hole on the flange of body 1 is matched with corresponding aperture of the construction on the flange of evaporator 2, in order to use such as nuts and bolt cloth Evaporator 2 is mounted in shell 1 by the fastener for setting part.According to another embodiment, evaporator 2 snaps fit onto shell 1.So And the utility model is not limited to use in the specific type and structure for the mounting arrangements part being fixedly mounted in evaporator 2 in shell 1 It makes.

Similarly, the inner wall of shell 1 is complementary with the outer wall of heater 3, for constructing the cunning between heater 3 and shell 1 Dynamic engagement.According to another embodiment, the wall of shell 1 includes for installing heater 3 securely with desired orientation in shell 1 Interior mounting arrangements part.Specifically, mounting arrangements part includes the apertured flanges constructed on the wall of shell 1 and heater 3, make It must construct and be matched with corresponding aperture of the construction on the flange of heater 3 for using such as nut in the hole on the flange of shell 1 Heater 3 is promoted to be mounted in shell 1 with the fastener of bolt.According to another embodiment, heater 3 snaps fit onto shell 1.The utility model is not limited to use in the mounting arrangements of the specific type and construction that are fixedly mounted in heater 3 in shell 1 Part.

Rib 5 is arranged between evaporator 2 and heater 3 and will be cooled down by evaporator 2 and bypassed at least the one of heater 3 Segment fluid flow is guided to first outlet 6.Rib 5 further guides the remainder of the fluid cooled down by evaporator 2 to heater 3. Embodiment according to the present utility model, rib 5 tilt upwards towards first outlet 6.According to an embodiment, rib 5 is along 2 He of evaporator The axial dimension of heater 3 extends.According to an embodiment, rib 5 be arranged in evaporator 2 and heater 3 opposite face 2a and 3a it Between and be separately connected them.According to an embodiment, rib 5 has fixed construction.The phase with evaporator 2 and heater 3 respectively of rib 5 Opposite 2a and 2b construct the centre of the constant volume between evaporator 2 and heater 3 at least the first inner wall 1c of shell 1 together Channel.In other words, all walls for limiting intermediate channel all have fixed construction and do not limit the removable of the intermediate channel Dynamic baffle.In addition, rib 5 is so constructed and is placed in shell 1, so that the structure in conjunction at least the second inner wall 1d of shell 1 of rib 5 Bypass passageways are made, cooling by the evaporator 2 and at least part fluid around heater 3 of bypass passageways guidance to first Outlet 6.However, the utility model is not limited to any specific type, construction and the orientation of rib 5.

According to an embodiment, which further includes the deflector 3b being mounted on heater 3, and deflector 3b is guided by steaming Send out the cooling of device 2 and around at least part of the fluid of heater 3 to first outlet 6.Alternatively, deflector 3b be with rib 5 at Entirety simultaneously extends from it.The utility model is not limited to any specific type, construction and the placement of deflector 3b.

Embodiment according to the present utility model, mode baffle 4,4' are arranged in the downstream of heater 3 and in first and It moves between two constructions to limit the first and second operation modes of system 10 respectively to adjust the fluid heated by heater 3 It is flow at least one of first outlet 6 and second outlet 7, to realize the fluid flowing at first outlet 6 and second outlet 7 The various combination of temperature.By the various combination of the fluid flow temperature at first outlet 6 and second outlet 7, may be implemented Effective control of different air-conditioning parameters needed for human comfort.Embodiment according to the present utility model, mode baffle 4,4' include Hub 4a, 4a', the first plate 4b, 4b' and the second plate 4c, 4c'.Hub 4a, 4a' can be rotatable around its axis.Particularly, hub 4a, 4a' includes internal spline, convenient for by mode baffle 4,4' is rotatably installed on motor (being not shown), is thus convenient for Pass through motor actuated mode baffle 4,4'.First plate 4b, 4b' is fixed to hub 4a, and 4a' simultaneously extends from it.In addition, the first plate 4b, 4b' has construction at least one first sealed lip 4bb, 4bb' of its far-end.Second plate 4c, 4c' is fixed to hub 4a, 4a' simultaneously extends from it and is angularly spaced from the first plate 4b, 4b'.Second plate 4c, 4c' has at least one be constructed thereon A second sealed lip 4cc, 4cc'.Specifically, in the first construction as shown in Figure 2, mode baffle 4,4' will be by heater 3 At least part fluid of heating is guided to first outlet 6, to promote it and be cooled down by evaporator 2 and bypass heater 3 At least part of fluid mixes and guides the remainder fluid heated by heater 3 to second outlet 7.Specifically, When mode baffle 4 be in first construction when, first outlet 6 convey the fluid individually cooled down by evaporator 2 at least part and It is conveyed by at least part of mixture and second outlet 7 of the fluid of both evaporator 2 and heater 3 processing by evaporator The remainder of the fluid of both 2 and heater 3 processing.According to an embodiment, when mode baffle 4 is in the first construction, by The temperature for the fluid that first outlet 6 conveys is 25 DEG C, and is about 35 DEG C by the temperature of the fluid of the second delivery outlet conveying.

Embodiment according to the present utility model, mode baffle 4,4' is operated by motor, however, the utility model is not limited to use In operation mode baffle 4, the specific driver of 4'.Due to mode baffle 4,4' must adjust the fluid heated by heater 3 Flowing, and in view of adjust heating fluid flowing and hot fluid is guided to cold fluid flow relatively convenient, can be used compared with The motor of small size is with drive mode baffle 4, to significant save the cost and realize weight saving.Fig. 2 shows trace systems 10 The schematic diagram of interior fluid flowing, wherein the mode baffle 4 of first embodiment according to the present utility model is in the first construction.

Referring to Fig. 3, the sectional isometric view of heating heating ventilation and air-conditioning (HVAC) system 10 is shown, wherein real according to first The mode baffle 4 for applying example is in the second operator scheme with restriction system 10 of the second construction.Moreover, showing referring to same attached drawing The enlarged drawing of mode baffle 4 is gone out.Fig. 4 shows the fluid flowing being depicted in heating heating ventilation and air-conditioning (HVAC) system 10 Schematic diagram, wherein mode baffle 4 according to first embodiment is in the second construction.Specifically, in the second construction of mode baffle 4 In, at least one second sealed lip 4cc abuts deflector 3b without hindering bypass passageways 8, to allow cold by evaporator 2 But and around at least part fluid of heater 3 first outlet 6 is flow to via bypass passageways 8.Moreover, working as mode baffle 4 When in the second construction, first outlet 6 conveys at least part of the fluid individually cooled down by evaporator 2, and second fluid The fluid that 7 conveying of outlet is handled by both evaporator 2 and heater 3.However, by adjusting evaporator 2, heater 3, mode gear Plate 4, the fluid flow temperature at adjustable first outlet 6 and second outlet 7.By change pattern baffle 4 relative to evaporation The orientation of device 2 and heater 3 can realize the various combination of fluid flow temperature at first outlet 6 and second outlet 7.

Referring to Fig. 5, the cross-sectional isometric view of heating heating ventilation and air-conditioning (HVAC) system 10 is shown, wherein real according to second The mode baffle 4' for applying example is in the second construction, to limit the third operation mode of system 10.Same attached drawing is also referred to, is depicted The enlarged drawing of mode baffle 4' according to the second embodiment.Fig. 6 is shown in description heating heating ventilation and air-conditioning (HVAC) system 10 Fluid flowing schematic diagram, wherein mode baffle 4' according to the second embodiment be in second construction.According to the utility model Another embodiment, mode baffle 4' second construction in, at least one sealed lip 4cc' further extends over deflection Device 3b flow to first outlet 6 to interfere to be cooled down by evaporator and bypass at least part fluid of heater 3.Specifically, exist In the construction, mode baffle 4' guides all fluids heated by heater 3 to second outlet 7, and prevents by evaporator It cools down and at least part fluid for bypassing heater 3 flow to first outlet for limiting the third operation mould of the system 10 Formula.

Fig. 7 shows the schematic diagram for describing the heat distribution for the fluid for flowing through system 10, wherein mode according to first embodiment Baffle 4 is in the first construction to limit the first operator scheme of system 10.

In accordance with an embodiment of the present disclosure, first outlet 6 is outlet vent, and second outlet 7 is foot outlet.However, this It is outlet vent that utility model, which is not limited to first outlet 6, and second outlet 7 is foot outlet, and first outlet 6 and second goes out Any one of mouth 7 can be configured to serve as any of outlet vent and foot outlet.In addition, as needed can be with Construct any quantity and construction of foot and outlet vent.Further, the system 10 of the utility model can be used for being based on The current various combination for requiring to construct the fluid flow temperature in different exits with future development.

Pass through such construction according to the system 10 of the utility model embodiment, it is only necessary to a baffle 4 and fixing rib 5 Come realize different exits fluid flow temperature various combination, and eliminate to for realizing in the stream in different exits Multiple baffles of the various combination of temperature and the needs of corresponding driving part.The system of embodiment according to the present utility model 10 structures are simple and are related to relatively few number of moving parts compared with conventional system, and it is thus eliminated that with conventional system Associated disadvantage of uniting and flow losses, the pressure loss, hydrodynamic noise, energy consumption are reduced.Moreover, system 10 is reliable , it is energy efficient, cheap, convenient for assembling and needing reduced maintenance.In addition, with such a configuration, system 10 is very It can extremely be executed with lesser power air blower, thus significantly reduce manufacturing cost and weight.

By such construction of system 10, middle rib 5 adjusts the flow of the fluid cooled down by evaporator 2, and mode Baffle 4 adjusts the flow of the fluid heated by heater 3, realizes the effective control and better energy efficiency of fluid flowing. In view of adjusting flowing opposite side of the flowing of the fluid heated in heater 3 than adjusting the fluid of cooling in evaporator 2 Just, and it is additionally contemplates that the fluid heated in heater 3 tends to move to cooling fluid in evaporator 2, the system It is current construction be energy-efficient.Further consider that the hot fluid for the cold fluid with higher density than relatively small density is abided by Following relatively simple flow path is easily that the system 10 constructed at present strategically effectively constructs phase using rib 5 To better simply flow path to guide by the cooling fluid of evaporator 2 to first outlet 6 and baffle 4, for effectively structure Make and be related to flow direction relative complex fluid flow path jumpy, by the fluid heated by heater 3 guide to At least one of first outlet 6 and second outlet 7, for realizing the fluid flow temperature at first outlet 6 and second outlet 7 Various combination.Specifically, strategically selection is flowed and for adjusting the fluid cooled down by evaporator 2 by heater 3 respectively The rib 5 and baffle 4 of the flowing of the fluid of heating help to realize better energy efficiency and flowing control.In addition, in this way Construction, system can even execute with lesser power air blower, thus significantly reduce manufacturing cost and weight.

Those skilled in the art can apply several modification and improvement to above system 10, as long as it includes shell, evaporation Device, heater, rib and mode baffle, wherein evaporator is arranged in the housing.Heater is also disposed in shell and is located at evaporation The downstream of device.Rib is arranged between evaporator and heater, and will be cooled down by evaporator and bypass the fluid of heater at least A part guidance is guided to first outlet and by the residual fluid cooled down by evaporator to heater.Mode baffle plate setting is heating The downstream of device and first and second construction between move, for adjusts by heater heating fluid flow to first outlet with At least one of second outlet, to realize the various combination of the fluid flow temperature in the first and second exits.Obviously, according to Above-mentioned introduction, many modifications and variations of the utility model are possible.It is therefore to be understood that the utility model can with This different mode specifically described is implemented.

Under any circumstance, the utility model can't should be limited to the embodiment specifically described in the document, because Other embodiments there may be.The utility model should expand to the combination of any equivalent device and any technical operation device.

Claims (18)

1. a kind of heating ventilating and air conditioning system characterized by comprising

Suitable for receiving the shell (1) of fluid；

The evaporator (2) being arranged in the shell (1)；

Heater (3), the heater are also disposed in the shell (1) and in the downstream of the evaporator (2)；

The rib (5) being arranged between the evaporator (2) and the heater (3), the rib (5) are suitable for:

At least part of fluids cooling and around the heater (3) by the evaporator (2) is guided to first by zero Mouth (6)；With

Zero will be guided by the evaporator (2) cooling residual fluid to the heater (3)；With

Mode baffle (4,4'), the mode baffle plate setting is in the heater (3) downstream and is suitable in the first construction and the It is moved between two constructions, first outlet (6) and second outlet is flow to by the fluid of the heater (3) heating for adjusting At least one of (7), to realize the fluid flow temperature at the first outlet (6) and the second outlet (7) not With combination.

2. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the shell includes multiple apertured flanges (1a), in order to install on the car body the shell (1).

3. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the shell further includes being suitable for receiving drum The spiral case part (1b) of blower, the air blower generate pressure difference, for receiving the fluid in shell (1) and promoting to receive in shell Fluid in body (1) flows through evaporator (2), heater (3) and the flow channel being made of mode baffle (4) and rib (5).

4. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the heater (3) is electric heater.

5. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the heater (3) is positive temperature system Number heater.

6. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the heater (3) is resistance heating Device.

7. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the rib (5) is along the evaporator (2) extend with the axial dimension of the heater (3).

8. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the rib (5) is separately positioned on described Between evaporator (2) and the opposite face (2a, 3a) of the heater (3).

9. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the rib (5) has fixture construction, institute State rib (5) respectively with the opposite face (2a, 3a) of the evaporator (2) and the heater (3) together with the shell (1) extremely Few first inner wall (1c) is suitable for constructing the intermediate channel of the constant volume between the evaporator (2) and the heater (3).

10. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the rib (5) and the shell (1) At least the second inner wall (1d) be suitable for together construction bypass passageways (8) with will it is cooling by the evaporator (2) and around described plus At least part of the fluid of hot device (3) is directed to the first outlet (6).

11. heating ventilating and air conditioning system as described in claim 1, which is characterized in that further include deflector (3b), the deflection Device is mounted on the heater (3) and is suitable for cool down and bypassing the fluids of the heater (3) by the evaporator (2) At least part be directed to the first outlet (6).

12. heating ventilating and air conditioning system as claimed in claim 11, which is characterized in that the deflector (3b) and the rib (5) being integrated and from the rib extend.

13. heating ventilating and air conditioning system as described in claim 1, which is characterized in that the mode baffle (4,4') includes:

Around the rotatable hub of its axis (4a, 4a')；

Fixed to the hub (4a, 4a') and from the hub (4a, 4a') extend the first plate (4b, 4b'), first plate (4b, 4b') has construction at least one first sealed lip (4bb, 4bb') of its far-end；With

Extend fixed to the hub (4a, 4a') and from the hub (4a, 4a') and angled with first plate (4b, 4b') Second plate (4c, 4c') at ground interval, the second sealed lip that there is second plate (4c, 4c') at least one to be constructed thereon (4cc, 4cc').

14. heating ventilating and air conditioning system as claimed in claim 10, which is characterized in that the institute in the first construction described in its Mode baffle (4,4') is stated to be suitable for:

At least part of the fluid heated by the heater (3) is directed to the first outlet (6) to promote by institute At least one for stating the fluid that heater (3) are heated and the fluids for cooling down and bypassing the heater (3) by the evaporator (2) Divide mixing；With

The remainder fluid heated by the heater (3) is guided to the second outlet (7).

15. the heating ventilating and air conditioning system as described in any one of preceding claims 11-12, which is characterized in that described In second construction of mode baffle (4), at least one described second sealed lip (4cc) is adapted to abut against against the deflection Device (3b), without the bypass passageways (8) for hindering at least the second inner wall (1d) of the rib (5) and the shell (1) to construct together, To allow cooling by the evaporator (2) and bypass at least part of the fluid of the heater (3) via the bypass Channel (8) flow to the first outlet (6).

16. heating ventilating and air conditioning system as claimed in claim 10, which is characterized in that the mould in second construction Formula baffle (4) is suitable for:

All fluids heated by the heater (3) are guided to the second outlet (7)；With

It will be by the evaporator (2) cooling and around at least part of the fluid of the heater (3) via the bypass Channel (8) is guided to the first outlet (6).

17. the heating ventilating and air conditioning system as described in any one of preceding claims 11-12, which is characterized in that described In second construction of mode baffle (4'), at least one described sealed lip (4cc') is suitable for further extending over described Deflector (3b) is to interfere cooling by the evaporator (2) and bypass the flowing of at least part of the fluid of the heater (3) To the first outlet (6).

18. heating ventilating and air conditioning system as claimed in claim 10, which is characterized in that described in second construction (4') mode baffle is suitable for:

All fluids heated by the heater (3) are guided to the second outlet (7)；With

It prevents to flow to by the evaporator (2) cooling and around at least part of the fluid of the heater (3) described First outlet (6).