CN100404790C - Fluid machine - Google Patents
Fluid machine Download PDFInfo
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- CN100404790C CN100404790C CNB2005100563093A CN200510056309A CN100404790C CN 100404790 C CN100404790 C CN 100404790C CN B2005100563093 A CNB2005100563093 A CN B2005100563093A CN 200510056309 A CN200510056309 A CN 200510056309A CN 100404790 C CN100404790 C CN 100404790C
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- orbiting scroll
- movable orbiting
- eddy plate
- fixed eddy
- seal element
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Abstract
An outer end of a seal element for a fixed scroll is extended to a position close to an end of an inside spiral wall of the fixed scroll, and an outwardly extended portion is formed at an outer periphery of a disc-shaped base plate of a movable scroll, so that a bottom surface of the movable scroll is always kept in a sliding contact entirely with the seal element during the orbital movement of the movable scroll. A thickness of the outwardly extended portion formed at the outer periphery of the disc-shaped base plate is made smaller than that of the disc-shaped base plate, so that the weight of the fluid machine can be smaller.
Description
Technical field
The transformation of energy that the present invention relates to be used for working fluid is the fluid machinery of mechanical rotation power.Fluid machinery according to the present invention is a kind of will being used in the rankine cycle to collect the expansion and the compression set of heat energy, wherein said fluid machinery has the pump pattern operation that is used to compress and discharges working fluid and is used for hydrodynamic pressure is converted to kinetic energy to obtain the motoring mode operation of mechanical rotation power.
Background technique
In existing fluid machinery, for example in Japan's (not examination) patent disclosure S63-96449, heat energy is collected by rankine cycle, and wherein compressor also is used as expansion gear, and the thermal power transfer that is used for collecting is a mechanical rotation power.
Claimant of the present invention has applied for a Japanese patent application No.2003-141556, and wherein convolute-hydrodynamic mechanics is suggested and is used for the compression and the expansion that come the execution work fluid by rotating fluid machinery in the forward and backward directions.This fluid machinery is used to the aircondition of motor vehicle, and wherein refrigeration cycle also is used as rankine cycle, to collect from the used heat of motor.
This fluid machinery has the pump mode capabilities, is used for compression working fluid when the drive force of its launched machine or motor or motor and motor, and the motoring mode function, is used for carrying out turgor movement during from the working fluid received energy at it.
The compression set of fluid machinery is drawn into vapor phase refrigerant in the working room when the driving force that receives from extra power, and come compressed refrigerant by reducing the working room, so that compressed refrigerant is discharged, and expansion gear increases the working room by introduce the expansion pressurized gas in the working room, to produce mechanical energy.
Figure 12 shows the pressure enthalpy diagram of the variation of working fluid (refrigeration agent) state in pump pattern (compression) and motoring mode (expansion) operation.As shown in figure 12, because the compression and the expansion of refrigeration agent, change of state is inequality each other.When the eddy type compression set is used as expansion gear, exist fluid machinery can not be carried out expansive working under maximal efficiency problem.
When convolute-hydrodynamic mechanics was used as compression set, working fluid was sucked from the outside of scrollwork, and compression working fluid.In this operation, when the working room was closed, the operate outside chamber started its compression immediately.Between the compression starting period, owing to have little pressure reduction between working room and outside, working fluid is difficult to reveal from the working room.
On the other hand, when convolute-hydrodynamic mechanics was operated as expansion gear, pressurized working fluid was introduced into inside, working room and outwards expands along the orbiting of movable orbiting scroll (scroll).When working fluid arrived its terminal stroke (arriving its position, outermost working room), the pressure of working fluid still had specific high value, therefore, might leak from the working room.
As mentioned above, when convolute-hydrodynamic mechanics is used as expansion gear, be important in the outside maintenance of scrollwork high sealing effect.Preferably, extend seal element as far as possible longways, the sealing element is set at the front end of the scrollwork of fixed eddy plate, to increase sealing effect.When seal element is stretched longlyer, be necessary to make movable orbiting scroll bigger, so that losing with the bottom surface of movable orbiting scroll, the outer end of seal element contacts.
This be because, because the rotation (orbiting) of movable orbiting scroll becomes to lose with the bottom surface of movable orbiting scroll contacts, and when contacting once more with movable orbiting scroll when it further is rotated, possible passive whirlpool, the outer end of seal element adjustment debit is bad when seal element.
Summary of the invention
Therefore, consider the problems referred to above, an object of the present invention is to provide a kind of fluid machinery, when it is used as expansion gear, can improve the sealing effect of scrollwork, particularly at the sealing effect of scrollwork outside, the size of fluid machinery and the increase of weight simultaneously is suppressed.
Convolute-hydrodynamic mechanics according to the present invention has fixed eddy plate and the movable orbiting scroll that operationally is connected to each other with the formation working room, and wherein movable orbiting scroll rotates with orbiting, thereby the volume of working room increases along with the orbiting of movable orbiting scroll or reduces.In the fixing and movable orbiting scroll each has spiral wraps, seal element is arranged on the front end of spiral wrap of fixed eddy plate, and the outer end of seal element extends to the position near the end of the inboard spiral wall of fixed eddy plate, the end of wherein said inboard spiral wall is corresponding to outermost wall, at described outermost wall place, the outside spiral wall of described movable orbiting scroll is according to the orbiting of movable orbiting scroll and keep in touch and disengage with the inboard spiral wall of fixed eddy plate.
According to feature of the present invention, the outer end of the seal element of corresponding fixed eddy plate is extended the position near the end of the internal helicoid wall of fixed eddy plate, and the outer circumference at the dish type substrate of movable orbiting scroll forms the part that stretches out, thereby the bottom surface of movable orbiting scroll always keeps contacting fully with seal element during the orbiting of movable orbiting scroll.
According to another feature of the present invention, the profile of movable orbiting scroll is formed with envelope, and when movable orbiting scroll was rotated, described envelope was relatively described on the bottom surface of movable orbiting scroll by the outward edge of the seal element of fixed eddy plate.Utilize this set of profile, fluid machinery can be made less size and lighter weight.
According to another feature of the present invention, the thickness of the part that stretches out that forms in the outer periphery of dish type substrate is less than the thickness of dish type substrate, thereby the weight of fluid machinery can be lighter.
According to another feature of the present invention, the bottom surface that the diameter that the dish type substrate of movable orbiting scroll has is enough to remain movable orbiting scroll contacts during the orbiting of movable orbiting scroll fully with the seal element of fixed eddy plate, and the outside with the discontiguous dish type substrate of any part of the seal element of fixed eddy plate during the orbiting of movable orbiting scroll is cut off.
Description of drawings
By following detailed description of carrying out with reference to accompanying drawing, above and other objects of the present invention, feature and advantage will become more obvious.In the drawings:
Fig. 1 is that refrigeration cycle and the used heat that fluid machinery according to the present invention is employed is collected the circuit schematic representation;
Fig. 2 is the cross-sectional view according to the fluid machinery of first embodiment of the invention;
Fig. 3 A is the plan view from above according to the fixed eddy plate of first embodiment's fluid machinery;
Fig. 3 B is the plan view from above of the fixed eddy plate of traditional convolute-hydrodynamic mechanics;
Fig. 4 A-4C illustrates the movable orbiting scroll according to first embodiment's fluid machinery, and wherein, Fig. 4 A is the planimetric map of seeing from the left side; Fig. 4 B is the cross-sectional view along the IVB-IVB line of Fig. 4 A, and Fig. 4 C is the planimetric map of seeing from the right side;
Fig. 5 A-5C shows the movable orbiting scroll of conventional fluid machinery, and corresponding diagram 4A-4C;
Fig. 6 is the enlarged view of the part " C " among Fig. 4 C, shows the skew of seal element end;
Fig. 7 A-7D is an enlarged view, shows movable orbiting scroll moving with respect to fixed eddy plate;
Fig. 8 is the plotted curve of the operation of fluid machinery according to the present invention;
Fig. 9 A-9C shows the movable orbiting scroll according to second embodiment's fluid machinery, corresponding diagram 4A-4C;
Figure 10 A-10C shows the movable orbiting scroll according to the 3rd embodiment's fluid machinery, corresponding diagram 4A-4C;
Figure 11 shows the movable orbiting scroll according to the 4th embodiment's fluid machinery, corresponding diagram 4C; With
Figure 12 is the pump pattern of fluid machinery and the pressure enthalpy diagram of motoring mode operation.
Embodiment
(first embodiment)
Followingly the first embodiment of the present invention is described with reference to Fig. 1.Fluid machinery 10 of the present invention for example is used for gas compression type refrigerator, and this gas compression type refrigerator is used for the rankine cycle of motor vehicle.Be used for the used heat harvest energy of the gas compression type refrigerator of rankine cycle from internal-combustion engine 20 generations, internal-combustion engine 20 produces the driving force that is used for motor vehicle.In addition, in fluid machinery 10 of the present invention, be used to carry out the air-conditioning operation of motor vehicle by the heat of fluid machinery generation.
In Fig. 1, reference character 10 indications comprise the fluid machinery of expansion and compression set, thereby fluid machinery is as compressor operation, be used to compress vapor phase refrigerant (being known as the operation of pump pattern), and, be used for being converted to kinetic energy and produce Mechanical Driven power (this is known as the motoring mode operation) by hydrodynamic pressure with superheated vapor as dynamic force generating unit.Reference character 11 expressions are connected to the heat radiation device of fluid machinery 10 outsides (high pressure port 110, the back will be described), are used for by thermal radiation cooling refrigeration agent gas (heat radiation device 11 also is known as condenser).
Now, with reference to Fig. 2 fluid machinery 10 is described.Fluid machinery 10 according to present embodiment comprises: expand and compression set 100, be used for expanding selectively or compressed refrigerant (being vapor phase refrigerant in this embodiment); Electricity slewing gear 200 is used for producing electric power when rotatory force is applied on it, and the power that rotates when electric power is applied on it; Magnetic clutch 300 is used for the chain of control (opening and closing) from motor 20 to the expansion and the rotatory force of compression set 100; And transmission device 400, it comprises the planetary pinion transmission, be used for expand and compression set 100, electric slewing gear 200 and magnetic clutch 300 between change the path of chain, and be used to the rotational velocity that increases and reduce to be transmitted.
The rotor 220 that electricity slewing gear 200 comprises stator 210 and rotates in the space of stator 210, wherein winding is wrapped on the stator 210, and permanent magnet is fixed on the rotor 220.When electric power is supplied to stator 210, rotor 220 will be rotated, and with as electric motor operated, expand and compression set 100 thereby drive, and when rotatory force is applied on the rotor 220, it will be operated as generator.
Magnetic clutch 300 comprises belt pulley 310, electromagnetic coil 320 and the friction plate 330 that is connected to motor 20 by the V band, and friction plate 320 will move by the electromagnetic force that 320 places of the electromagnetic coil when being energized produce.When the rotatory force of motor 20 is passed to fluid machinery 10, coil 320 will be energized, and when the transmission of rotatory force was cut off, the electric current that is fed to coil 320 was cut off.
Expanding has identical structure with compression set 100 with known scroll compressor, and comprises: be fixed to the middle casing 101 on the stator case 230 of electric slewing gear 200; Be connected to the fixed eddy plate 102 of middle casing 101; And be arranged on movable orbiting scroll 103 in the space that limits by middle casing 101 and stationary housing 102.Movable orbiting scroll 103 rotates with orbiting in this space, to form the V of many working rooms.Expand and compression set 100 also comprises hyperbaric chamber 104, the path 10 5 and 106 in be operably connected V of working room and hyperbaric chamber 104, and valve system 107, be used for the opening and closing of control channel 106.
Fixed eddy plate 102 comprises substrate 102a and the spiral wrap 102b that gives prominence to towards middle casing 101 from substrate 102a, and the spiral wrap 103b that movable orbiting scroll 103 has substrate 103a equally and gives prominence to towards fixed eddy plate 102 from substrate 103a, wherein spiral wrap 102b and 103b are connected to each other to form the V of working room.When movable orbiting scroll 103 was rotated, the space of the V of working room will be inflated or reduce.Details fixing and movable orbiting scroll 102 and 103 will further describe in the back.
Axle 108 is supported rotationally by middle casing 101, and is provided with internal gear 403, and internal gear 103 is parts of transmission device 400.Axle 108 also is provided with eccentric shaft 108a, and eccentric shaft 108a departs from so that as the crankweb operation from the rotation axis of axle 108, and is operably connected to movable orbiting scroll 103 through axle bush 103d and bearing 103c.Because axle bush 103d can be with respect to eccentric shaft 108a by micrometric displacement slightly, movable orbiting scroll 103 by compression reaction force along the direction that increases the contact pressure between scrollwork 102b and the 103b by displacement.
The anti-locking mechanism of reference character 109 expression spins is used to prevent the automatic rotation of movable orbiting scroll 103, and allows it to carry out orbiting.When axle 108 was rotated a circle, movable orbiting scroll 103 moved around axle 108 with orbiting, and along with the working room moves to inner side from outer fix, the space of the V of working room will reduce.The anti-locking mechanism 109 of the spin here comprises ring and pair of pin.
Hyperbaric chamber 104 has the effect of homogenizing refrigerant pressure by the fluctuation of the refrigeration agent that smoothly pumps.High pressure port 110 is formed in the housing that forms hyperbaric chamber 104, and port one 10 is connected to heating equipment 30 and heat radiation device 11.
Low-pressure port 111 is formed in the stator case 230, is used to be communicated with vaporizer 14 and second bypass channel 33 and the space that is limited by stator case 230 and fixed eddy plate 102.
Escape cock 107a and valve break 107b are fixed on the substrate 102a of fixed eddy plate 102 by bolt 107c, wherein valve 107a is the safety check of leaf-valve type, be used to prevent that the refrigeration agent that pumps from 104 flowing back to the V of working room from the hyperbaric chamber, break 107b is a plate, is used to limit moving of leaf valve 107a.
Short tube (spool) 107d is the valve that is used to open and close ingress port 106, solenoid valve 107e is a control valve, is used for controlling by the space that opens and closes the passage between back pressure chamber 107f and the hyperbaric chamber 104 or be communicated with low pressure chamber 111 pressure of back pressure chamber 107f.Spring 107g is arranged among the back pressure chamber 107f, is used for promoting short tube 107d along the direction of closed ingress port 106, and the hole 107h with particular flow resistance is formed in the passage that connects hyperbaric chamber 104 and back pressure chamber 107f.
When solenoid valve 107e is opened, the spatial communication that back pressure chamber 107f and stator case 230 (low voltage side) limit, pressure among the back pressure chamber 107f will be reduced to the pressure that is lower than in the hyperbaric chamber 104 then, and the elastic force that last short tube 107d will overcome spring 107g moves along the direction of opening ingress port 106.Because so big in the pressure drop at hole 107h place, consequently flow to the amount of the refrigeration agent the back pressure chamber 107f from hyperbaric chamber 104 very little so that can ignore.
On the other hand, when solenoid valve 107e was closed, the pressure among the back pressure chamber 107f became and equals pressure in the hyperbaric chamber 104, and short tube 107d will move along the direction of closed ingress port 106 then.As mentioned above, short tube 107d, solenoid valve 107e, back pressure chamber 107f and hole 107h constitute pilot-type solenoid valve, are used to open and close ingress port 106.
Transmission device 400 comprises ring-shaped inner part gear 403 (ring gear), has the planetary carrier 402 and ring gear 403 engagements of a plurality of (for example three) small gear 402a, sun gear 401 and small gear 402a engagement.
Sun gear 401 inside are formed with the rotor 220 of electric slewing gear 200, and planetary carrier 402 is fixed on the axle 331 integratedly, and friction plate 330 is connected on this axle 331.Ring gear 403 has formed axle 108.
Overrunning clutch 500 is delivered to axle 331 with rotatory force from belt pulley 310, bearing 332 is back shaft 331 rotationally, bearing 404 supports sun gear 401 rotationally with respect to axle 331, it is rotor 220, bearing 405 is with respect to axle 108 back shaft 331 (planetary carrier 402) rotationally, and bearing 108b is with respect to middle casing 101 back shaft 108 rotationally.
Crack Sealing 333 is to be used to prevent that refrigeration agent from passing through the Sealing of axle 331 and stator case 230 outflows.
Referring now to description of drawings characteristic of the present invention.
Fig. 3 A is the plan view from above of seeing from electric slewing gear 200 according to first embodiment's fixed eddy plate 102, and Fig. 3 B is the plan view from above of conventional fixed whirlpool dish.
Fig. 4 A-4C shows the movable orbiting scroll 103 according to first embodiment, and wherein Fig. 4 A is the plan view from above of seeing from electric slewing gear 200, and Fig. 4 B is a cross-sectional view, and Fig. 4 C is the plan view from above of seeing from fixed eddy plate 102.Fig. 5 A-5C shows traditional movable orbiting scroll, respectively corresponding diagram 4A-4C.
Shown in Fig. 3 A (and 3B), fixed eddy plate 102 is formed with spiral wrap 102b, wherein spiral wrap 102b described one from the almost center of fixed eddy plate the curve (involute) to the outer end, thereby form spirality space 102c.
Sheet Sealing 112 (seal element) is set in the spiral chute that is formed on spiral wrap 102b front end.When movable orbiting scroll 103 was mounted to fixed eddy plate 102, spiral wrap 103b was accommodated among the spiral space 102c of fixed eddy plate 102, to form the V of working room.The sheet Sealing 112 of fixed eddy plate 102 be formed on the bottom surface sliding contact of the spirality space 103e in the movable orbiting scroll 103 similarly, and be arranged on the bottom surface sliding contact of sheet Sealing 113 with the spiral space 102c of fixed eddy plate 102 at spiral wrap 103b front end place.As mentioned above, the V of working room is sealed airtightly.
In conventional fixed whirlpool dish 102, shown in Fig. 3 B, sheet Sealing 112 ends at the part place near the end " B " of outside spiral wall, and wherein reference character 112a represents the outer end of sheet Sealing 112.
In the fixed eddy plate 102 according to first embodiment, as shown in Figure 3A, sheet Sealing 112 is extended to end at the part place near the end " A " of inboard spiral wall.That is, of the present invention Sealing 112 is than about 180 degree of the sheet Sealing elongation of Duoing of conventional fixed whirlpool dish.
Shown in Fig. 7 A, the outer periphery of the scrollwork 103b of movable orbiting scroll 103 is located to contact in the end of inboard spiral wall " A " with scrollwork 102b.When movable orbiting scroll 103 rotated with its orbiting, the outer periphery of scrollwork 103b was moved to the position shown in Fig. 7 B and 7C, removes from the madial wall of fixed eddy plate 102 at last, shown in Fig. 7 D.When movable orbiting scroll 103 was further rotated, the outer periphery of scrollwork 103b contacted with the madial wall of fixed eddy plate 102 once more, shown in Fig. 7 A.
Shown in Fig. 5 A-5C, in traditional movable orbiting scroll 103, dish type substrate 103a is made into to minimize its profile, and wherein dish type substrate 103a forms the shape of the almost dish type with diameter D1, and described diameter is to measure along the line of tie point " X " and point " Y ".Point " X " is corresponding to the end of spiral wraps 103b, and point " Y " is corresponding to such point of spiral wraps 103b, and this point twines 180 degree backward from point " X ".
If the traditional movable orbiting scroll 103 shown in Fig. 5 A-5C is mounted in as shown in Figure 3A the fixed eddy plate of the present invention 102, wherein sheet Sealing 112 is such as the Sealing of the conventional fixed whirlpool dish of the above about 180 degree of growing up.According to the angle of swing of the orbiting of movable orbiting scroll 103, certain zone of the end 112a of sheet Sealing 112 will be separated from sliding contact with dish type substrate 103a.
Therefore, in conventional fixed whirlpool dish 102, shown in Fig. 3 b, sheet Sealing 112 ends at the point near the end " B " of outside spiral wall, and described Sealing 112 is than short about 10 degree of Sealing of the present invention.That is, the length of sheet Sealing 112 (point " B ") is than short about 180 degree of the length of inboard spiral wall (point " A ").
Therefore, according to the first embodiment of the present invention, flange portion H (part stretches out) is formed on the outer periphery of dish type substrate 103a, shown in Fig. 4 A-4C, thereby the end 112a of sheet Sealing 112 can always keep contacting with the bottom surface of dish type substrate 103a on whole rotation angles of the orbiting of movable orbiting scroll 103.
Fig. 6 is the enlarged view of the part of surrounding with C among Fig. 4 C, and wherein the skew (orbiting according to movable orbiting scroll 103 is made) with respect to the end 112a of the sheet Sealing 112 of dish type substrate 103a is expressed.Fig. 6 shows the skew with respect to movable orbiting scroll 103 as end 112a when movable orbiting scroll 103 is seen.
As shown in Figure 6, the envelope of being described by the end 112a of sheet Sealing 112 is corresponding to the orbiting of movable orbiting scroll 103, the profile of movable orbiting scroll 103 (especially, being formed on the shape of flange portion H of the outer circumference of substrate 103a) forms sheet Sealing 112 (comprising its end 112a) and always contacts the bottom surface with movable orbiting scroll 103.
The driving center that is connected to the movable orbiting scroll 103 of a 108a is disposed on such point, is minimized at this some place rotation imbalance.According to this embodiment, the thickness of flange portion H is less than the thickness of substrate 103a other parts, so that rotation imbalance is remained on minimum flow, and makes movable orbiting scroll 103 weight lighter, shown in Fig. 4 B.
Almost the substrate 103a of dish type is formed with have diameter thick the (see figure 4) of " D2 ", and this diameter is littler than the diameter " D1 " of (among Fig. 5 A or the 5C) traditional movable orbiting scroll.In Fig. 4 C, the round correspondence of being represented by dot and dash line has the outer periphery of the substrate 103a of thick portion, so should circle regional corresponding flange section H in addition.Shown in Fig. 4 C, be formed with to the posterior components of scrollwork 103b thin flange portion H.
Now, will the operation of aforesaid fluid machinery be described.
(air-conditioning operation)
Air conditioning mode is a kind of operator scheme, and wherein, cooling down operation is carried out at vaporizer 14 places, the heat of refrigeration agent at condenser 11 places by radiation.In this embodiment, utilize the endothermic effect of vaporizer 14 to be used to the cooling and the defrost operation of vehicle by the heat energy that expands and compression set 100 produces (cooling energy).Yet, also can utilize the heat energy (adding heat energy) at condenser 11 places to be used for the heating operation of vehicle.
In this air conditioning mode, liquid pump 32 is stopped, and open-close valve 34 is opened, thereby refrigeration cycle is operated by expansion and compression set 100.In addition, engine cooling water passes through heating equipment 30 by the operation bypass of switch valve 21.Refrigeration agent flows and flows back to and expand and compression set 100 through expansion and compression set 100, heating equipment 30, condenser 11, receiver 12, expansion valve 13, vaporizer 14.Because engine cooling water does not flow through heating equipment 30, the refrigeration agent that flows through it is not heated, and wherein heating equipment 30 is only operated as coolant channel.
Low pressure refrigerant in the decompression of expansion valve 13 places is evaporated by absorbing heat from air, and described air will be blown into the passenger carriage of vehicle.The vapor phase refrigerant of evaporation is inhaled into expansion and compression set 100 and is compressed, and compressed then high temperature refrigerant is cooled and condensation at condenser 11 places.
Although freon (HFC134a) is used as refrigeration agent (working fluid) in this embodiment, any other refrigeration agent that will be liquefied in the high pressure side can be used (being not limited to HFC134a).
(used heat collection mode)
This is a kind of operator scheme, and wherein, the air-conditioning operation is stopped, promptly expand and compression set 100 is stopped as compression set, instead, be collected and be converted into mechanical energy, wherein expand and compression set is used as expansion gear 100 and operates from the used heat of motor 20.
In this operator scheme, liquid pump 32 is operated, and open-close valve 34 is closed, and device 100 is as expansion gear operation (motoring mode operation).Engine cooling water from motor 20 circulates by heating equipment 30 by switch valve 21.
In this operator scheme, refrigeration agent is from receiver 12 flow through first bypass channel 31, heating equipment 30, expansion gear 100, second bypass channel 33, heat radiation device 11, and flows back to receiver 12.Mobile be different from pump pattern operation mobile of refrigeration agent in heat radiation device 11.
As mentioned above, by the superheated vapor inflow expansion gear 100 and the expansion therein of heating equipment 30 heating, thereby the enthalpy of refrigeration agent will reduce in the mode of constant entropy.Therefore, the electric energy that reduces of corresponding enthalpy will be charged in the battery.
Refrigeration agent from expansion gear 100 will be cooled and condensation at heat radiation device 11 places, and be charged in the receiver 12.Then, liquid phase refrigerant will be aspirated and be pumped out to heating equipment 30 from receiver 12 by liquid pump 32.Liquid pump 32 pumps liquid phase refrigerant under such pressure, so that can not flow along direction backward at the superheated vapor at heating equipment 30 places.
Fig. 8 is the operating curve figure that is used for the fluid machinery 10 of above-mentioned air-conditioning and used heat collection mode.
As mentioned above, the first embodiment of the present invention has following advantage:
(1) dish outside sealability in whirlpool can be enhanced, thereby improves the efficient of expansion and compression set 100, particularly when device 100 is used as the expansion gear operation.
Above-mentioned advantage obtains in the following way: the end A that sheet (chip) Sealing 112 is extended to the inboard spiral wall of fixed eddy plate 102, and the outer periphery of movable orbiting scroll 103 stretched out, thereby sheet Sealing 112 always keeps sliding contact with the surface of movable orbiting scroll 103 during the orbiting of movable orbiting scroll 103.
(2) further may increasing of the size of suppression fluid machinery 10 and weight.
This advantage obtains in the following way: with the profile of envelope formation movable orbiting scroll, the profile of the part (flange portion) that particularly stretches out, described envelope is to be described relatively by the outward edge of the sheet Sealing 112 of fixed eddy plate 102.
(3) when working fluid is drawn into compression set 100, perhaps when from expansion gear 100 discharging working fluids, the possible pressure loss will be suppressed to smaller value.
This is to realize by the fluid passage behind the increase movable orbiting scroll 103.This be because, the diameter of the thick substrate 103a of movable orbiting scroll is made into the respective diameters less than traditional movable orbiting scroll.
(4) can reduce rotation weight imbalance during the orbiting of movable orbiting scroll 103, and, but the increase of the size of suppression fluid machinery 10 and weight.
This be because, the driving center that is connected to the movable orbiting scroll of a 108a is arranged on such some place, non-equilibrium being minimized of this point rotation.
(5) increase of weight that also can suppression fluid machinery 10.
This realizes in the following way: the outer circumference at movable orbiting scroll 103 forms flange portion H, and the thickness of this section H is less than the thickness of substrate 103a.
(second embodiment)
Fig. 9 A-9C shows the movable orbiting scroll 103 according to second embodiment, and wherein Fig. 9 A is that Fig. 9 B is a cross-sectional view when the plan view from above when electric slewing gear 200 is seen, Fig. 9 C is when the plan view from above when fixed eddy plate 102 is seen.
Such as already explained, according to first embodiment shown in Fig. 4 C, be formed with to the posterior components of scrollwork 103b thin flange portion H, because the diameter of thick portion " D2 " is less than the diameter " D1 " of the thick portion of the traditional movable orbiting scroll shown in Fig. 5 A.
According to second embodiment, shown in Fig. 9 A, the hatched area of movable orbiting scroll 103 " I " is formed with thick portion, thereby the All Ranges of scrollwork 103b dorsal part all is formed with thick portion, and dorsal part only has such part to be formed with flange portion H, does not form scrollwork in the front side of this part.
Utilize such setting, scrollwork 103b can be supported more firmly by substrate 103a, can obtain the saving of weight simultaneously equally.
(the 3rd embodiment)
Figure 10 A-10C is the movable orbiting scroll 103 according to the 3rd embodiment, and wherein Figure 10 A is the plan view from above of seeing from electric slewing gear 200, and Figure 10 B is a cross-sectional view, and Figure 10 C is the plan view from above of seeing from fixed eddy plate 102.
According to the 3rd embodiment, the thick portion of substrate 103a is made into identical with traditional movable orbiting scroll, thereby the diameter of thick 103a is made into " D1 ", shown in Figure 10 A.Flange approaches the outer circumference that portion " T " (part stretches out) is formed on substrate 103a.The profile of the 3rd embodiment's movable orbiting scroll 103 is identical with first and second embodiments', thereby sheet Sealing 112 always keeps and the bottom surface sliding contact of movable orbiting scroll 103.Correspondingly, in the 3rd embodiment, can obtain the sealing effect identical with first and second embodiments.
(the 4th embodiment)
Figure 11 shows the movable orbiting scroll 103 according to the 4th embodiment, and wherein Figure 11 is the plan view from above of seeing from fixed eddy plate 102.
According to the 4th embodiment, the substrate 103a of movable orbiting scroll 103 is formed by thick of the dish type with diameter " D3 ", diameter " D3 " is greater than the diameter " D1 " of traditional movable orbiting scroll, thereby the bottom surface of movable orbiting scroll 103 has enough areas, so that sheet Sealing 112 sliding contacts of maintenance always and fixed eddy plate 102.Yet according to the 4th embodiment, dashed area " S " is cut from substrate 103a, because the sliding contact between the sheet Sealing 112 of unnecessary bottom surface that remains on substrate 103a of dashed area " S " and fixed eddy plate 102.
(other embodiment)
In above-mentioned first to the 3rd embodiment, the profile of substrate (being the profile of flange portion) is preferably formed by envelope, this envelope is moved in response to the track of movable orbiting scroll 103 by scrollwork 102b and describes, thereby is arranged on all parts of the sheet Sealing 112 on the fixed eddy plate 102 and the bottom surface of movable orbiting scroll 103 keeps in touch.Yet the profile of substrate (flange portion) is not necessarily formed by envelope.
And in the above-described embodiments, sheet Sealing 112 is extended the end A of inboard spiral wall.The sheet Sealing can further be extended or be extended to midway.
The transmission device 400 of epicyclic chain can replace with other transmission device of any kind of, such as CVT (stepless change transmission), or does not use ring (toroidal-type) the type transmission of belt, or the like.
Although the waste thermal energy of collecting from motor is inflated and converts electric energy to compression set 100 and charge into the battery in the above-described embodiments, collected energy also can convert mechanical energy to, for example, converts the kinetic energy of flywheel to, or converts elastic potential energy to by spring.
Described fluid machinery is not limited to be used for motor vehicle.
Claims (4)
1. convolute-hydrodynamic mechanics comprises:
Housing (101,102);
Conversion equipment (100), described conversion equipment (100) are used for collecting heat energy from working fluid, and are the mechanical rotation energy by expand described working fluid in the constant enthalpy mode with the thermal power transfer of collecting,
Axle (108), described axle (108) is supported rotationally by housing (101), and has eccentric shaft portion (108a);
Movable orbiting scroll (103), described movable orbiting scroll (103) have dish type substrate (103a) and spiral wrap (103b), and movable orbiting scroll (103) is operably connected with eccentric shaft portion (108a), so that movable orbiting scroll (103) moves with orbiting;
Fixed eddy plate (102), described fixed eddy plate (102) has substrate (102a) and spiral wrap (102b), so that be connected with movable orbiting scroll (103) forming working room (V), when movable orbiting scroll (103) rotate with its orbiting and when working room (V) from the center of fixed eddy plate (102) when outward direction moves the volume of working room (V) increase gradually;
Seal element (112), described seal element (112) is arranged on the front end of spiral wrap (102b) of fixed eddy plate (102), and the outer end (112a) of seal element (112) extends to the position (A) near the end of the inboard spiral wall of fixed eddy plate (102), the end of wherein said inboard spiral wall is corresponding to outermost wall, at described outermost wall place, the outside spiral wall of described movable orbiting scroll (103) is according to the orbiting of movable orbiting scroll (103) and keep in touch and disengage with the inboard spiral wall of fixed eddy plate (102);
The part that stretches out (H, T), described part (the H that stretches out, T) be formed on the outer circumference of the dish type substrate (103a) of described movable orbiting scroll (103), part with the bottom surface that forms described dish type substrate (103a), thereby always complete and seal element (112) the maintenance sliding contact of the bottom surface of described dish type substrate (103a) during the orbiting of movable orbiting scroll (103), the wherein said part that stretches out (H, thickness T) is less than the thickness of the dish type substrate (103a) of described movable orbiting scroll (103); And
The profile of movable orbiting scroll (103) is formed with envelope, and when movable orbiting scroll (103) when being rotated, described envelope relatively is depicted on the bottom surface of movable orbiting scroll (103) by the outward edge of seal element (112).
2. convolute-hydrodynamic mechanics comprises:
Housing (101,102);
Conversion equipment (100), described conversion equipment (100) are used for collecting heat energy from working fluid, and are the mechanical rotation energy by expand described working fluid in the constant enthalpy mode with the thermal power transfer of collecting,
Axle (108), described axle (108) is supported rotationally by housing (101), and has eccentric shaft portion (108a);
Movable orbiting scroll (103), described movable orbiting scroll (103) have dish type substrate (103a) and spiral wrap (103b), and movable orbiting scroll (103) is operably connected with eccentric shaft portion (108a), so that movable orbiting scroll (103) moves with orbiting;
Fixed eddy plate (102), described fixed eddy plate (102) has substrate (102a) and spiral wrap (102b), so that be connected with movable orbiting scroll (103) forming working room (V), when movable orbiting scroll (103) rotate with its orbiting and when working room (V) from the center of fixed eddy plate (102) when outward direction moves the volume of working room (V) increase gradually;
Seal element (112), described seal element (112) is arranged on the front end of spiral wrap (102b) of fixed eddy plate (102), the outer end (112a) of seal element (112) extends to the position (A) near the end of the inboard spiral wall of fixed eddy plate (102), the end of wherein said inboard spiral wall is corresponding to outermost wall, at described outermost wall place, the outside spiral wall of described movable orbiting scroll (103) is according to the orbiting of movable orbiting scroll (103) and keep in touch and disengage with the inboard spiral wall of fixed eddy plate (102);
The part that stretches out (H, T), described part (the H that stretches out, T) be formed on the outer circumference of the dish type substrate (103a) of described movable orbiting scroll (103), part with the bottom surface that forms described dish type substrate (103a), thereby always complete and seal element (112) the maintenance sliding contact of the bottom surface of described dish type substrate (103a) during the orbiting of movable orbiting scroll (103), and
Wherein except those parts relative with the scrollwork (102b) of fixed eddy plate (102) of its front side, outer circumference described that is formed on dish type substrate (103a) stretches out, and (H, thickness T) make the thickness less than described dish type substrate (103a) to part.
3. convolute-hydrodynamic mechanics comprises:
Housing (101,102);
Conversion equipment (100), described conversion equipment (100) are used for collecting heat energy from working fluid, and are the mechanical rotation energy by expand described working fluid in the constant enthalpy mode with the thermal power transfer of collecting,
Axle (108), described axle (108) is supported rotationally by housing (101), and has eccentric shaft portion (108a);
Movable orbiting scroll (103), described movable orbiting scroll (103) have dish type substrate (103a) and spiral wrap (103b), and movable orbiting scroll (103) is operably connected with eccentric shaft portion (108a), so that movable orbiting scroll (103) moves with orbiting;
Fixed eddy plate (102), described fixed eddy plate (102) has substrate (102a) and spiral wrap (102b), so that be connected with movable orbiting scroll (103) forming working room (V), when movable orbiting scroll (103) rotate with its orbiting and when working room (V) from the center of fixed eddy plate (102) when outward direction moves the volume of working room (V) increase gradually; With
Seal element (112), described seal element (112) are arranged on the front end of spiral wrap (102b) of fixed eddy plate (102),
The outer end (112a) of described seal element (112) extends to the position (A) near the end of the inboard spiral wall of fixed eddy plate (102), the end of wherein said inboard spiral wall is corresponding to outermost wall, at described outermost wall place, the outside spiral wall of described movable orbiting scroll (103) is according to the orbiting of movable orbiting scroll (103) and keep in touch and disengage with the inboard spiral wall of fixed eddy plate (102);
Wherein, the diameter that the dish type substrate (103a) of movable orbiting scroll (103) has is enough to always keep complete and seal element (112) sliding contact of bottom surface of dish type substrate (103a) during the orbiting of movable orbiting scroll (103), and
Dish type substrate (103a), the outside (S) of any part of not contact seal element (112) is cut off during the orbiting of movable orbiting scroll (103).
4. convolute-hydrodynamic mechanics according to claim 3, wherein
Described fixed eddy plate (102) is formed in the housing (102);
Form almost rectangular shape at structure perpendicular to the cross section in the plane of described axle (108); And
The end of the inboard spiral wall of described fixed eddy plate (102) is positioned at the position near the bight of the fixed eddy plate (102) of described rectangular shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004087740 | 2004-03-24 | ||
| JP2004087740 | 2004-03-24 |
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| Publication Number | Publication Date |
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| CN1673490A CN1673490A (en) | 2005-09-28 |
| CN100404790C true CN100404790C (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100563093A Expired - Fee Related CN100404790C (en) | 2004-03-24 | 2005-03-16 | Fluid machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102094680A (en) * | 2009-12-09 | 2011-06-15 | 北京智慧剑科技发展有限责任公司 | Vortex power generator and power generating method |
| CN102713298B (en) * | 2010-01-22 | 2016-09-28 | 大金工业株式会社 | Screw compressor |
| JP5769332B2 (en) * | 2010-06-02 | 2015-08-26 | アネスト岩田株式会社 | Scroll expander |
| CN115370961B (en) * | 2022-10-24 | 2022-12-27 | 东南大学 | Electric-driven quick air compressing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6396449A (en) * | 1986-10-13 | 1988-04-27 | 株式会社デンソー | Waste-heat utilizing device for internal combustion engine |
| JPH0388984A (en) * | 1989-08-31 | 1991-04-15 | Toshiba Corp | Scroll type fluid machine |
| US5127809A (en) * | 1990-02-21 | 1992-07-07 | Hitachi, Ltd. | Scroll compressor with reinforcing ribs on the orbiting scroll |
| US5938417A (en) * | 1995-12-13 | 1999-08-17 | Hitachi, Ltd. | Scroll type fluid machine having wraps formed of circular arcs |
| US6321564B1 (en) * | 1999-03-15 | 2001-11-27 | Denso Corporation | Refrigerant cycle system with expansion energy recovery |
| US6464479B1 (en) * | 2000-05-24 | 2002-10-15 | The Boc Group Plc | Scroll-type apparatus |
| US20040250556A1 (en) * | 2003-06-16 | 2004-12-16 | Sienel Tobias H. | Supercritical pressure regulation of vapor compression system by regulation of expansion machine flowrate |
-
2005
- 2005-03-16 CN CNB2005100563093A patent/CN100404790C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6396449A (en) * | 1986-10-13 | 1988-04-27 | 株式会社デンソー | Waste-heat utilizing device for internal combustion engine |
| JPH0388984A (en) * | 1989-08-31 | 1991-04-15 | Toshiba Corp | Scroll type fluid machine |
| US5127809A (en) * | 1990-02-21 | 1992-07-07 | Hitachi, Ltd. | Scroll compressor with reinforcing ribs on the orbiting scroll |
| US5938417A (en) * | 1995-12-13 | 1999-08-17 | Hitachi, Ltd. | Scroll type fluid machine having wraps formed of circular arcs |
| US6321564B1 (en) * | 1999-03-15 | 2001-11-27 | Denso Corporation | Refrigerant cycle system with expansion energy recovery |
| US6464479B1 (en) * | 2000-05-24 | 2002-10-15 | The Boc Group Plc | Scroll-type apparatus |
| US20040250556A1 (en) * | 2003-06-16 | 2004-12-16 | Sienel Tobias H. | Supercritical pressure regulation of vapor compression system by regulation of expansion machine flowrate |
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| CN1673490A (en) | 2005-09-28 |
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