CN108749520A

CN108749520A - Heat air-conditioning

Info

Publication number: CN108749520A
Application number: CN201810588976.3A
Authority: CN
Inventors: 王辉; 邱朋华; 尹志臣; 郭炫谟; 刘彦甫; 孙静怡; 李晓彤
Original assignee: Zhongshan Jinniu Technology Co Ltd; Harbin Institute of Technology
Current assignee: Zhongshan Jinniu Technology Co Ltd; Harbin Institute of Technology
Priority date: 2018-06-08
Filing date: 2018-06-08
Publication date: 2018-11-06

Abstract

The invention discloses a kind of heating air-conditionings, including：Shell, the fuel heater being set in shell and the air-conditioning fan being set on shell, fuel heater include：Vaporize mechanism, combustion mechanism, Blast mechanism and heat exchange mechanisms；Vaporizing mechanism includes：Cyclone, the first side are formed with mixing chamber, and the second side is connected with prevapourising pipe, and prevapourising pipe is connected to mixing chamber, mixing chamber and combustion chamber；Oil inlet pipe is used for as prevapourising pipe fuel feeding；Glow plug is used to make the gasification of fuel oil entered in prevapourising pipe so that the fuel oil of vaporization enters mixing chamber；Mixing chamber is from the pyramidal cavity of the second lateral first side extension, and prevapourising pipe is connected to the small accent of mixing chamber.The pyramidal cavity of the present invention gradually extends on the fuel flow direction of vaporization, reduces resistance of the mixing chamber to fuel flow, and combustion gas can be made smoothly to enter combustion chamber by mixing chamber, and space availability ratio is high.

Description

Heat air-conditioning

Technical field

The present invention relates to automobile technical fields, and a kind of be used for as in the engine of automobile or automobile cab room is especially arranged The heating air-conditioning of heating.

Background technology

The cold districts winter automobile starting at low temp such as northeast, North China and northwest is difficult, generally use big to engine damage Heating air-conditioning heats up to solve the problems, such as this.

Be installed with fuel heater in heating air-conditioning in the prior art, the fuel heater generally include vaporization mechanism, Combustion mechanism, Blast mechanism and heat exchange mechanisms.Wherein, vaporization mechanism is for making fuel gasification, combustion mechanism is for making vaporization Fuel oil burn in a combustion chamber, Blast mechanism provides air for combustion chamber and vaporization mechanism, and heat exchange mechanisms will be for that will burn The heat of generation is supplied to the object to be heated (e.g., engine, driver's cabin).Wherein, vaporization mechanism generally includes pre- steaming Pipe, oil inlet pipe, glow plug and cyclone are sent out, wherein oil inlet pipe is used for into prevapourising pipe for fuel oil, and glow plug is used for as combustion Oil heats so that fuel gasification, the fuel oil that cyclone is used to vaporize are mixed with air.

Applicant has found in installation, maintenance or use above-mentioned heating air-conditioning in the prior art in the heating air-conditioning Vaporization mechanism at least has the following disadvantages：

1, glow plug is packaged in the inside of prevapourising pipe, dismantles and repairs and is extremely inconvenient.

2, prevapourising pipe and cyclone are separate structure so that are carried to the processing of prevapourising pipe and cyclone, assembly precision Higher requirement is gone out.

3, the structure of mixing chamber so that cyclone is oversized on fuel gas flow direction in cyclone, and is unfavorable for firing Gas enters the combustion chamber in subsequent combustion mechanism.

Invention content

It is an object of the invention to propose a kind of heating air-conditioning.

For this purpose, the technical solution adopted in the present invention is：

A kind of heating air-conditioning, including：Shell, the fuel heater being set in the shell and it is set to the shell On air-conditioning fan, the fuel heater includes：Vaporize mechanism, combustion mechanism, Blast mechanism and heat exchange mechanisms；

The combustion mechanism have combustion chamber, it is described vaporization mechanism be used for for the combustion chamber provide vaporization fuel oil so that Fuel oil is in the burning Indoor Combustion；

The Blast mechanism is used to provide air for the combustion chamber and the vaporization mechanism；

The heat exchange mechanisms are used to absorb the heat derives that fuel oil burning generates；

The vaporization mechanism includes：

Cyclone, the first side are formed with mixing chamber, and the second side is connected with prevapourising pipe, the prevapourising pipe with it is described Mixing chamber is connected to, the mixing chamber and the combustion chamber；

Oil inlet pipe is used for as the prevapourising pipe fuel feeding；

Glow plug, the gasification of fuel oil for being used to make to enter in the prevapourising pipe is so that the fuel oil of vaporization enters the mixing Chamber；

The mixing chamber is from the pyramidal cavity of the described second lateral first side extension, and the prevapourising pipe is mixed with described Close the small accent connection of chamber.

Preferably,

The oil inlet pipe is located at outside the prevapourising pipe and radial is connected on the prevapourising pipe；

The glow plug stretches to the prevapourising pipe from one end part of the prevapourising pipe far from the cyclone In, the oil inlet pipe is located at and the glow plug position that stretch to the part in the prevapourising pipe opposite；

The part that the glow plug stretches into the prevapourising pipe is arranged with atomization net cover, the atomization net cover with it is described pre- Annular gap is formed between evaporation tube.

Preferably,

It is surrounded by inlet channel outside the combustion chamber；

Multiple air admission holes are offered on the cyclone, the air admission hole is mixed from the external perforation of the cyclone to described Chamber is closed, multiple air admission holes surround the axis of the mixing chamber circumferentially；The inlet channel is connected to the air admission hole；

The center line of multiple air admission holes is coplanar or on the same conical surface；

The axis antarafacial of the center line of the air admission hole and the mixing chamber, and the center line and corresponding aperture of the air admission hole Angle α of the line of end and axis on mixing chamber section is 70 ° -85 °, when the center line of multiple air admission holes is in same cone When face, it is 50 ° -180 ° that the cone angle of the conical surface, which is β,.

Preferably,

The combustion mechanism includes：

First inner cylinder, interior to form the combustion chamber, first inner cylinder is connected to the cyclone so that the burning It is docked with the mixing chamber room；

First outer barrel is connected to the cyclone and is sheathed on outside first inner cylinder and is surrounded with first inner cylinder The inlet channel of annular is so that air respectively enters the mixing from one end far from the cyclone by inlet channel Chamber and the combustion chamber.

Preferably,

Offer the first air admission hole group on the cyclone, the inlet channel by the first air admission hole group with it is described Mixing chamber is connected to so that the air into the inlet channel enters the mixing chamber to be mixed with described by the first air admission hole group Close the fuel oil mixing of the vaporization of intracavitary；The second air admission hole group is offered on the barrel of first inner cylinder, the inlet channel is logical The second air admission hole group is crossed with the combustion chamber so as to pass through the second air admission hole into the air in the inlet channel Group enters the combustion chamber to be mixed with the fuel oil in the combustion chambers burn.

Preferably, the second air admission hole group include along the fuel oil and flame flow direction be arranged in order primary holes group, Cooling hole group and doping hole group；The primary holes group includes a circle primary holes circumferentially, and the cooling hole group includes week Cooling hole is enclosed to the two of arrangement；The doping hole group includes a circle doping hole circumferentially.

Preferably, the first side for stating cyclone is formed with inner stopper and male half coupling, first inner cylinder and the inner stopper Docking, first outer barrel is docked with the male half coupling, so that first inner cylinder and the first outer barrel are detachably connected to institute State cyclone.

Preferably, the Blast mechanism is connected to the combustion mechanism and positioned at the combustion chamber far from institute by block head One end of cyclone is stated, wherein：

The block head has the air inlet port being connected to the inlet channel and with the combustion chamber far from the rotation Flow the smoke evacuation duct of device one end connection；So that the Blast mechanism by air inlet port to the inlet channel air blast, the combustion Flue gas caused by interior is burnt to discharge fume by the smoke evacuation duct.

Preferably, the block head is cylindrical in shape；The inner wall of smoke evacuation duct from the block head is penetrated through to the closure The outer wall of head；The air inlet port is penetrated through from an end face of the block head to the other end of the block head.

Preferably, the block head includes the second inner cylinder and the second outer barrel for being formed in outside second inner cylinder, described It is formed with annulus between second outer barrel and second inner cylinder, is provided between second inner cylinder and second outer barrel The annulus is divided into multiple air inlet ports, the exhaust smoke hole by multiple segmentation sticks, multiple segmentation sticks Road runs through the segmentation stick.

Compared with prior art, the advantageous effect of heating air-conditioning of the invention is：

1, the mixing chamber of cyclone is arranged to pyramidal cavity (alternatively referred to as mixing chamber is arranged to expansion structure) by the present invention, should Pyramidal cavity gradually extends on the fuel flow direction of vaporization, to consistent in the expansion trend of flow direction with combustion gas, reduction Resistance of the mixing chamber to fuel flow, can make combustion gas smoothly enter combustion chamber by mixing chamber, and can make air It is sufficiently mixed, is uniformly mixed in mixing chamber with fuel oil, and space availability ratio is high.

2, due to interlocking between smoke evacuation duct and air inlet port so that carry amount of heat in smoke evacuation duct Flue gas can be air inlet port in air be preheated, not only reduce the temperature of flue gas, and make preheated air with Higher temperature enters combustion chamber and is mixed with fuel oil, so as to improve ignition condition, improves the utilization rate of heat.

Description of the drawings

The specific embodiment part provided by referring to the drawings, the features and advantages of the present invention will become more It is readily appreciated that, in the accompanying drawings：

Fig. 1 is the main sectional view for the heating air-conditioning that the embodiment of the present invention provides.

Fig. 2 is the main sectional view for the fuel heater that the embodiment of the present invention provides.

Fig. 3 is the main sectional view of the vaporization mechanism in the heating air-conditioning that the embodiment of the present invention provides.

Cyclone is in cutting on mixing chamber extending direction in the vaporization mechanism that Fig. 4 provides for the embodiment of the present invention Face view.

Fig. 5 is the main section view of the vaporization mechanism and combustion mechanism assembly in the fuel heater that the embodiment of the present invention provides Figure.

Fig. 6 is the main sectional view of the block head in the fuel heater that the embodiment of the present invention provides.

Fig. 7 is the left view of the block head in the fuel heater that the embodiment of the present invention provides.

Fig. 8 is the dimensional structure diagram of the block head in the fuel heater that the embodiment of the present invention provides.

In figure：

110- vaporizes mechanism；111- cyclones；1111- mixing chambers；112- prevapourising pipes；113- glow plugs；114- oil inlets Pipe；115- is atomized net cover；1112- the first air admission hole groups；120- combustion mechanisms；The first inner cylinders of 121-；The first outer barrels of 122-；123- Inlet channel；The combustion chambers 124-；125- the second air admission hole groups；1251- primary holes groups；1252- cooling hole groups；1253- adulterates hole Group；The second outer barrels of 211-；The second inner cylinders of 212-；213- air inlet ports；214- smoke evacuations duct；215- divides stick；216- is bowl-shape Bottom case；217- closing in endoporus；218- seam allowances；200- block heads；300- Blast mechanisms；400- heat exchange mechanisms；401- water jackets；402- Shell；2012- air admission holes；1151- annular gaps；1000- fuel heaters；2000- shells；3000- air-conditioning fans.

Specific implementation mode

Exemplary embodiments of the present invention are described in detail with reference to the accompanying drawings.Illustrative embodiments are retouched It states merely for the sake of demonstration purpose, and is definitely not to the present invention and its application or the limitation of usage.

As shown in Figures 1 to 4, embodiment of the invention discloses that a kind of heating air-conditioning, the heating air-conditioning include：Shell, The fuel heater 1000 being set in the shell and the air-conditioning fan 3000 being set on the shell.The fuel oil adds Hot device 1000 includes：Vaporize mechanism 110, combustion mechanism 120, Blast mechanism 300 and heat exchange mechanisms 400.Fuel heater 1000 include vaporization mechanism 110, combustion mechanism 120, Blast mechanism 300 and heat exchange mechanisms 400.Combustion mechanism 120 has combustion Room 124 is burnt, vaporization mechanism 110 is used to provide the fuel oil of vaporization so that fuel oil burning in combustion chamber 124 for combustion chamber 124；Drum Wind mechanism 300 is used to provide air for combustion chamber 124 and vaporization mechanism 110；Heat exchange mechanisms 400 are used to burn fuel oil and generate Heat derives；Shell 2000 can be by fuel oil burning generation for coating entire fuel heater 1000, air-conditioning fan 3000 The export of heat part to meet for the heating of driver's cabin etc for taking heat request.The vaporization mechanism 110 includes：Cyclone 111, prevapourising pipe 112, glow plug 113 and oil inlet pipe 114.Wherein, prevapourising pipe 112 is connected to the second of cyclone 111 Side, oil inlet pipe 114 are used to provide fuel oil for prevapourising pipe 112, and glow plug 113 is used to be into the fuel oil in prevapourising pipe 112 Heating, the first side of the cyclone 111 are formed with mixing chamber 1111, prevapourising pipe 112 be connected to mixing chamber 1111 so that through The fuel oil of the heating vaporization of glow plug 113 enters mixing chamber 1111, wherein：Mixing chamber 1111 is from the second lateral first side extension Pyramidal cavity, prevapourising pipe 112 are connected to the small accent of mixing chamber 1111, it is preferable that the cone angle of mixing chamber 1111 be γ be 40 °- 100°。

As described above, the mixing chamber 1111 of cyclone 111 is made to be arranged to pyramidal cavity, (alternatively referred to as mixing chamber 1111 is set It is set to expansion structure), which gradually extends on the fuel flow direction of vaporization, to the expansion with combustion gas in flow direction Trend is consistent, reduces resistance of the mixing chamber 1111 to fuel flow, can make combustion gas smoothly pass through mixing chamber 1111 into Enter combustion chamber 124, and air can be made to be sufficiently mixed in mixing chamber 1111 with fuel oil, be uniformly mixed, and space profit With rate height.In addition, mixing chamber 1111 be arranged to pyramidal cavity compared with the prior art in cyclone 111 mixing chamber 1111, save Diffuser is removed, to reduce size of the cyclone 111 on fuel flow direction.

In a preferred embodiment of the invention, as shown in figure 3, prevapourising pipe 112 is shaped in cyclone 111 On, and it is coaxial with pyramidal cavity.Prevapourising pipe 112 is arranged to integrated formed structure with cyclone 111, reduces required zero processed Part number, assembly it is simple and convenient, avoid the problem that more part installation errors and match occlusal wear, and can realize prevapourising pipe 112 with 111 good centering effect of cyclone ensure that the uniformity of fuel and air mixing.

In a preferred embodiment of the invention, as shown in figure 3, oil inlet pipe 114 is located at outside prevapourising pipe 112 simultaneously radially Be connected on prevapourising pipe 112.Oil inlet pipe 114 is set to the outside of prevapourising pipe 112, to facilitate repair.

In a preferred embodiment of the invention, as shown in figure 3, glow plug 113 from prevapourising pipe 112 far from cyclone 111 one end part stretches in prevapourising pipe 112, and oil inlet pipe 114 is located at stretches to prevapourising pipe 112 with glow plug 113 In the opposite position in part.In the present embodiment, 113 part of glow plug be located at prevapourising pipe 112 outside, work as glow plug 113 when needing repairing or replacing, and glow plug 113 can be facilitated to be removed from prevapourising pipe 112, improve detachability and dimension Repairing property.

In a preferred embodiment of the invention, as shown in figure 3, glow plug 113 stretches into the part in prevapourising pipe 112 It is arranged with atomization net cover 115, is atomized between net cover 115 and prevapourising pipe 112 and is formed with annular gap 1151.The atomization net cover 115 contribute to efficiency of the glow plug 113 to fuel gasification.One can be provided for fuel oil by being formed by 1151 one side of annular gap On the other hand fixed vaporization space facilitates the fuel oil of vaporization to enter in mixing chamber 1111.Preferably, the outer diameter of annular gap 1151 It is 1.5-2.5 with the ratio between internal diameter.

It is sufficiently mixed in mixing chamber 1111 for convenience of the fuel oil and air of vaporization, as shown in Figure 2 and Figure 5, in institute It states and is surrounded by inlet channel 123 outside combustion chamber 124, as shown in Figure 3 and Figure 4, multiple air admission holes are offered on cyclone 111 2012, which is connected to multiple air admission holes 2012 so that outside air is pushed into inlet channel by Blast mechanism 300 123, then enter mixing chamber 1111 through air admission hole 2012 again and mixed with the fuel oil of vaporization, wherein air admission hole 2012 is certainly To mixing chamber 1111, multiple air admission holes 2012 surround the axis of mixing chamber 1111 circumferentially for the external perforation of cyclone 111, and Keep the center line of multiple air admission holes 2012 coplanar or on the same conical surface, and the center line and mixing chamber of air admission hole 2012 1111 axis antarafacial, and the center line of air admission hole 2012 with the line of corresponding nose end and axis on 1111 section of mixing chamber Angle α is 70 ° -85 °, and when the center line of multiple air admission holes 2012 is in the same conical surface, the cone angle beta of the conical surface is 50 ° -180 °.By In the axis antarafacial of the center line and mixing chamber 1111 of air admission hole 2012 so that enter mixing chamber 1111 by air admission hole 2012 Air is rotated along the circumferential direction of mixing chamber 1111, to be sufficiently mixed with fuel oil；Due in multiple air admission holes 2012 Heart line is on the same conical surface so that into mixing chamber 1111 air have with fuel oil flow to opposite shunting to, to It is sufficiently mixed with fuel oil.

In a preferred embodiment of the invention, as shown in figure 5, combustion mechanism 120 includes：First inner cylinder 121 and One outer barrel 122.Wherein, combustion chamber 124 is formed in the first inner cylinder 121, the first inner cylinder 121 is connected to cyclone 111 so that burning It is docked with mixing chamber 1111 room 124；First outer barrel 122 is connected to cyclone 111 and to be sheathed on the first inner cylinder 121 outer and with first Inner cylinder 121 surround annular inlet channel 123, Blast mechanism 300 be connected to the one end of combustion chamber 124 far from cyclone 111 with So that air is passed through inlet channel 123 from one end far from cyclone 111 and respectively enter mixing chamber 1111 and combustion chamber 124, and fires The flame and air-flow of oil flow to one end of Blast mechanism 300 from one end of cyclone 111.

As described above, when being used to heat for engine or driver's cabin using above-mentioned heating air-conditioning, Blast mechanism 300 Admit air into inlet channel 123, flow direction of the air in inlet channel 123 and the fuel oil to burn in combustion chamber 124 And the flow direction of flame is on the contrary, in this way, heat caused by fuel oil burning is exactly the sky opposite with fuel oil runner direction Gas is preheated so that enter combustion chamber 124 after air in inlet channel 123 is preheated, to improve for vaporization Fuel oil mixing air temperature, improve vaporization ignition condition and burning condition, improve the burn-off rate of fuel oil.

As described above, the fuel oil that prevapourising pipe 112 is fed by oil inlet pipe 114 is heated by glow plug 113 and is vaporized, vaporization Fuel oil enter mixing chamber 1111 and mixed with the air that inlet channel 123 is fed, mixed vapour-oil mixture flows to Combustion chamber 124 is burnt, and the heat that burning generates in combustion chamber 124 passes to ring-type by 121 part of the first inner cylinder Inlet channel 123, to being preheated to the air in inlet channel 123, the air being preheated constantly enters mixing chamber 1111 and combustion chamber 124 and mixed with fuel oil, so as to improve ignition condition and burning condition, improve efficiency of combustion.

Inlet channel 123 can feed mixing chamber 1111 and combustion chamber 124 in several ways, as shown in figure 5, in this hair In a bright preferred embodiment, offer the first air admission hole group 1112 on cyclone 111, inlet channel 123 by first into Stomata group 1112 is connected to mixing chamber 1111 so that the air into inlet channel 123 is mixed by the entrance of the first air admission hole group 1112 Chamber 1111 is closed to be mixed with the fuel oil of the vaporization in mixing chamber 1111.The second air admission hole is offered on the barrel of first inner cylinder 121 Group 125, inlet channel 123 is connected to combustion chamber 124 so that into the sky in inlet channel 123 by the second air admission hole group 125 Gas enters combustion chamber 124 to be mixed with the fuel oil to burn in combustion chamber 124 by the second air admission hole group 125.In this way, inlet channel Air in 123 passes through the first air admission hole group 1112 and the second air admission hole group 125 respectively after the fuel-firing preheating in combustion chamber 124 Into in mixing chamber 1111 and combustion chamber 124.

In a preferred embodiment of the invention, the second air admission hole group 125 includes being flowed to successively along fuel oil and flame Primary holes group 1251, cooling hole group 1252 and the doping hole group 1253 of arrangement；Primary holes group 1251 includes one circumferentially Primary holes is enclosed, cooling hole group 1252 includes two circle cooling holes circumferentially；It includes a circle circumferentially to adulterate hole group 1253 Adulterate hole.In the present embodiment, air is entered by primary holes group 1251, cooling hole group 1252 and doping hole group 1253 respectively Combustion chamber 124.It is mixed with fuel oil after air enters combustion chamber 124 by primary holes group 1251 and fuel oil is helped to burn, Air is entered by cooling hole group 1252 for cooling down for flame in combustion chamber 124, and in doping hole, inlet channel 123 Air can enter combustion chamber 124 by adulterating hole group 1253, the flue gas in combustion chamber 124, which can pass through, to be adulterated hole group 1253 and enters Inlet channel 123, therefore, if doping hole is easy to make to generate wadding stream at doping hole using multi-turn in the prior art dislocation arrangement, And the present invention makes doping hole arrange one end, to effectively prevent generating wadding stream at doping hole.

Combustion chamber 124 in the prior art is tapered configuration, generates larger resistance to the flowing of flue gas, is asked to solve this Inner cylinder is arranged to cylinder by topic, the present invention so that combustion chamber 124 is in column cavity-like, to reduce combustion chamber 124 itself to flue gas The resistance of flowing reduces the temperature of the first inner cylinder 121 and surrounding components, to reduce to the calorific intensity of parts It is required that.

In a preferred embodiment of the invention, as shown in figure 5, the second side of cyclone 111 be formed with inner stopper and Male half coupling, the first inner cylinder 121 are docked with inner stopper, and the first outer barrel 122 is docked with male half coupling.In this way, the first inner cylinder 121 and first Outer barrel 122 realizes detachably connected, middle compared with the prior art to be connected by the way of welding, use with cyclone 111 Above structure can effectively prevent junction to generate residual stress and deformation, improve the same of combustion chamber 124 and mixing chamber 1111 Axis precision.Preferably, the first side of cyclone 111 is formed with important actor, and mixing chamber 1111 is formed in the middle part of important actor and penetrates through important actor End face, inner stopper is formed in the end face of important actor.

In a preferred embodiment of the invention, as depicted in figs. 1 and 2, Blast mechanism 300 is connected by block head 200 It is connected to combustion mechanism 120 and is located at the one end of combustion chamber 124 far from cyclone 111,200 one side of block head is for making burning Flue gas discharge caused by fuel oil burning in the combustion chamber 124 of mechanism 120 is outdoor, is on the other hand used to make Blast mechanism 300 The air released is sent into combustion chamber 124 via inlet channel 123 and is mixed with fuel oil so that fuel oil realizes burning.It blocks First 200 have the air inlet port 213 that is connected to inlet channel 123 and are connected to far from 111 one end of cyclone with combustion chamber 124 Smoke evacuation duct 214；So that Blast mechanism 300 by air inlet port 213 to 123 air blast of inlet channel, in combustion chamber 124 produced by Flue gas pass through discharge fume duct 214 discharge fume.

In a preferred embodiment of the invention, as shown in Fig. 8 to 8, block head 200 is cylindrical in shape；Duct 214 discharge fume certainly The inner wall of block head 200 is penetrated through to the outer wall of block head 200；One end face of 213 self-styled plug 200 of air inlet port is penetrated through to envelope The other end of plug 200.In the present embodiment, block head 200 including the second inner cylinder 212 and is formed in the second inner cylinder 212 The second outer outer barrel 211 is formed with annulus, the second inner cylinder 212 and second between second outer barrel 211 and the second inner cylinder 212 Multiple segmentation sticks 215 are provided between outer barrel 211, annulus is divided into multiple air inlet ports by multiple segmentation sticks 215 213, smoke evacuation duct 214 is through segmentation stick 215.Preferably, smoke evacuation duct 214 is in the section on its extending direction " sub warhead " type.Air inlet port 213 is perpendicular to the section of its extending direction defined by between two neighboring segmentation stick 215 In " drum " shape.

According to above-mentioned：1, smoke evacuation duct 214 is adjacent with air inlet port 213 and is spaced and is vertically arranged.In this way, air It is flowed with flue gas adverse current intersecting vertical, enhances the heat exchange of flue gas and air, improve catching fire and after-flame spy in combustion chamber 124 Property；2, air inlet port 213 is set and duct 214 of discharging fume ensure that the segmentation uniformity of 215 temperature of stick, the uniformity of air-flow with And have guide functions to air, air flow resistance can be reduced, reduce flow losses.

In a preferred embodiment of the invention, as shown in Fig. 6 to 8, block head 200 is located at 213 import of air inlet port One end be provided with the bowl-shape bottom case 216 of the endoporus for being plugged in block head 200.In the present embodiment, using the bowl-shape knot of concave Structure blocks endoporus, and bowl structure ensure that air-flow there is preferable water conservancy diversion to make flue gas discharge the uniformity that bottom case washes away simultaneously With.

In a preferred embodiment of the invention, as shown in Fig. 6 to 8, block head 200 is located at the outlet of air inlet port 213 One end be formed with closing in endoporus 217.Block head 200 be located on one end of the outlet of air inlet port 213 be formed with for combustion Burn the seam allowance 218 that mechanism 120 is docked.In this way, when block head 200 is installed in the first inner cylinder 121 of combustion mechanism 120 (in first The endoporus in hole forms combustion chamber 124) on when, the inner wall for shrinking the port of endoporus flushes and smoothly with the inner wall of the first inner cylinder 121, To effectively prevent generation of air-flow the case where docking location is obstructed, in addition, closing-in structure can not only be with the first inner cylinder 121 perfect docking, and can ensure that block head 200 has preferable rigidity and intensity again；Seam allowance 218 so that block head 200 with The stringent centering of cylinder, is conducive to the discharge of flue gas.

In a preferred embodiment of the invention, Blast mechanism 300 includes blower fan, the air outlet court of blower fan To block head 200 bowl-shape bottom case 216 with the air blast into air inlet port 213.

It is docked with the part realization in Blast mechanism 300 for convenience of block head 200, block head 200 is located at air inlet port 213 Second outer barrel 211 of the ontology of one end of import protrudes from the second inner cylinder 212, the part protruded by the second outer barrel 211 and drum Blower fan in wind mechanism 300 is docked.

In a preferred embodiment of the invention, as shown in Fig. 2, heat exchange mechanisms 400 include being sheathed on the first outer barrel 122 Outer water jacket 401 and the shell 402 being sheathed on outside water jacket 401, in this way, working medium (e.g., water) from water jacket 401 and shell 402 it Between flow through, to absorb fuel oil burning caused by heat so that the heat absorbed be used for be engine start.

It should be noted that：The heating air-conditioning that the embodiment of the present invention provides, on the one hand, by water jacket 401 and shell 402 Between working medium absorb fuel oil burning generate a part of fuel can provide heat for engine start；On the other hand, air-conditioning Fan 3000 from shell 402 for taking heat, to provide warm wind for driver's cabin.

Although with reference to illustrative embodiments, invention has been described, but it is to be understood that the present invention does not limit to The specific implementation mode that Yu Wenzhong is described in detail and shows, without departing from claims limited range, this Field technology personnel can make various changes to illustrative embodiments.

Claims

1. a kind of heating air-conditioning, which is characterized in that including：Shell, the fuel heater being set in the shell and setting Air-conditioning fan on the shell, the fuel heater include：Vaporize mechanism, combustion mechanism, Blast mechanism and heat exchange Mechanism；

There is the combustion mechanism combustion chamber, the vaporization mechanism to be used to provide the fuel oil of vaporization so that fuel oil for the combustion chamber In the burning Indoor Combustion；

The vaporization mechanism includes：

Cyclone, the first side are formed with mixing chamber, and the second side is connected with prevapourising pipe, and the prevapourising pipe is mixed with described Chamber is connected to, the mixing chamber and the combustion chamber；

Oil inlet pipe is used for as the prevapourising pipe fuel feeding；

The mixing chamber is from the pyramidal cavity of the described second lateral first side extension, the prevapourising pipe and the mixing chamber Small accent connection.

2. heating air-conditioning as described in claim 1, which is characterized in that

The glow plug is stretched to from one end part of the prevapourising pipe far from the cyclone in the prevapourising pipe, institute Oil inlet pipe is stated to be located at and the glow plug position that stretch to the part in the prevapourising pipe opposite；

The part that the glow plug stretches into the prevapourising pipe is arranged with atomization net cover, the atomization net cover and the prevapourising Annular gap is formed between pipe.

3. heating air-conditioning as described in claim 1, which is characterized in that

It is surrounded by inlet channel outside the combustion chamber；

Multiple air admission holes are offered on the cyclone, the air admission hole is from the external perforation of the cyclone to the mixing Chamber, multiple air admission holes surround the axis of the mixing chamber circumferentially；The inlet channel is connected to the air admission hole；

The axis antarafacial of the center line of the air admission hole and the mixing chamber, and the center line of the air admission hole and corresponding nose end and Angle α of the line of axis on mixing chamber section is 70 ° -85 °, when the center line of multiple air admission holes is in the same conical surface When, it is 50 ° -180 ° that the cone angle of the conical surface, which is β,.

4. heating air-conditioning as claimed in claim 3, which is characterized in that

The combustion mechanism includes：

First inner cylinder, in form the combustion chamber, first inner cylinder be connected to the cyclone so that the combustion chamber with The mixing chamber docking；

First outer barrel is connected to the cyclone and is sheathed on outside first inner cylinder and surrounds annular with first inner cylinder The inlet channel so that air from far from the cyclone one end by inlet channel respectively enter the mixing chamber and The combustion chamber.

5. heating air-conditioning as claimed in claim 4, which is characterized in that offer the first air admission hole group, institute on the cyclone Inlet channel is stated to be connected to so that the air into the inlet channel passes through with the mixing chamber by the first air admission hole group First air admission hole group enters the mixing chamber to be mixed with the fuel oil of the vaporization in the mixing chamber；The barrel of first inner cylinder On offer the second air admission hole group, the inlet channel by the second air admission hole group and the combustion chamber so that into Air in the inlet channel by the second air admission hole group enter the combustion chamber with the fuel oil in the combustion chambers burn Mixing.

6. heating air-conditioning as claimed in claim 5, which is characterized in that the second air admission hole group include along the fuel oil and Primary holes group, cooling hole group and the doping hole group that flame flow direction is arranged in order；The primary holes group includes one circumferentially Primary holes is enclosed, the cooling hole group includes two circle cooling holes circumferentially；The doping hole group includes a circle circumferentially Adulterate hole.

7. heating air-conditioning as claimed in claim 4, which is characterized in that the first side of the cyclone is formed with inner stopper and outer Seam allowance, first inner cylinder are docked with the inner stopper, and first outer barrel is docked with the male half coupling, so that in described first Cylinder and the first outer barrel are detachably connected to the cyclone.

8. heating air-conditioning as claimed in claim 4, which is characterized in that the Blast mechanism is connected to the combustion by block head It burns mechanism and is located at the one end of the combustion chamber far from the cyclone, wherein：

The block head has the air inlet port being connected to the inlet channel and with the combustion chamber far from the cyclone The smoke evacuation duct of one end connection；So that the Blast mechanism by air inlet port to the inlet channel air blast, the combustion chamber Flue gas is discharged fume by the smoke evacuation duct caused by interior.

9. heating air-conditioning as claimed in claim 8, which is characterized in that the block head is cylindrical in shape；The smoke evacuation duct is from institute The inner wall for stating block head is penetrated through to the outer wall of the block head；The air inlet port from an end face of the block head penetrate through to The other end of the block head.

10. heating air-conditioning as claimed in claim 9, which is characterized in that the block head includes the second inner cylinder and is formed in The second outer barrel outside second inner cylinder, is formed with annulus between second outer barrel and second inner cylinder, and described Multiple segmentation sticks are provided between two inner cylinders and second outer barrel, multiple segmentation sticks divide the annulus At multiple air inlet ports, the segmentation stick is run through in the smoke evacuation duct.