CN1821699A

CN1821699A - Vortex cold medium coiler and fin-free condenser

Info

Publication number: CN1821699A
Application number: CNA2005100383851A
Authority: CN
Inventors: 丁兆元
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-02-16
Filing date: 2005-02-16
Publication date: 2006-08-23
Anticipated expiration: 2025-02-16
Also published as: US20060179866A1; AU2006200631A1; CN100453950C; BRPI0600387A

Abstract

The present invention relates to spiral-curved medium coil and condenser, and is especially one kind of evaporating medium condenser without fin for the outdoor unit in refrigerating system. The new integral spiral curved medium coil structure of metal pipe in streamlined cross section is superior to traditional parallel tube bundle plus U-shaped union structure, which possesses complicated welding operation, likely leakage, increased pressure drop and excessive power consumption, and has raised EER value.

Description

Vortex cold medium coiler and fin-free condenser

Technical field

The present invention relates to a kind of refrigerant coil pipe and a kind of fin-free condenser, refer to a kind of refrigerant coil pipe of worm-rotating type especially, and use the condenser of this vortex cold medium coiler.

Background technology

Generally commonly use the refrigerant coil pipe in the refrigerant condenser, no matter its metal tube that adopts is round tube or oval pipe, no matter also its type of cooling that adopts is air-cooled or water-cooled, its structure all is machine-made, as shown in Figure 1, its refrigerant coil pipe group 70, straight tube 72 by a group equivalent length, with the equidirectional parallel a group fin 80 that passes, be individually fixed on the two relative supporting plates 82 with its two ends, use the u shaped connector 74 of a group metal again, be welded in the port of two adjacent straight tubes 72 respectively, respectively organize coil pipe to connect into, constitute the reciprocating cold medium coil pipe group 70 of a cuboid.This kind structure since own air conditioner comes out, all has been considered as traditional approach by cold air circle, and always nobody suspected.Even there was the evaporative condenser that does not use fin to come out afterwards (as No. the 497704th, Taiwan patent, with the design of bag one deck hygroscopic material on coil pipe), and the inventor is in the Taiwan patent (No. the 91216512nd, application number) of application on November 18th, 2002, with design of the naked copper coil pipe of streamline section etc., continue to use traditional reciprocal run-in index coil pipe group but all be still, and constitute with large numbers of u shaped connector welding.In fact, this kind structure has a lot of shortcomings all to be because numerous u shaped connector 74 causes.Wherein, when most importantly passing through each u shaped connector,, frictional force produces pressure drop because of increasing owing to the refrigerant fluid, pressure drop is many times accumulated, the refrigerant compression is amassed has increased significantly added burden, refrigerant is liquefied in coil pipe, and the extra burden of this kind makes EER not rise counter falling.Secondly, be large numbers of soldereds 76 of numerous u shaped connectors 74, have one or two outer tender spots (weak point) unavoidably, this kind tender spots is indefectible in test fashion, but uses through a period of time, or because vibrations, or owing to corrode, and coolant leakage takes place.This kind situation is of common occurrence, and large numbers of fin causes between slot and can't remove with the scale buildup at the coil pipe place of passing through, and its consequence is even more serious.

In addition, because the refrigerant coil pipe group in the condenser of commonly using, all constitute a cuboid, the air-flow that provides with at least one desk fan is the cone of a hollow, as shown in Figure 2, when wherein the hollow cone wind-force cross section 90 that blows of fan was blown to a rectangular refrigerant coil pipe group 70, produce: 1,702 places, center were calm; 2, four jiao of 704 place is calm; 3, the space beyond refrigerant coil pipe group 70 is blown in the wind district 902 in wind-force cross section 90 and wind district 904, fully waste.

Summary of the invention

The inventor is based on to need not fin and use the working experience of the evaporative condenser of streamline section coil pipe, use many shortcomings of u shaped connector at above-mentioned parallel reciprocating type coil pipe, the condenser of developing vortex cold medium coiler and using this vortex cold medium coiler, its objective is that the parallel nest of tubes condenser that thorough elimination is commonly used uses the shortcoming of large numbers of u shaped connectors, thereby promote the EER value of condenser.

For achieving the above object, the technical scheme that condenser of the present invention adopts is: a kind of fin-free condenser of vortex cold medium coiler, and its primary structure comprises:

One refrigerant coil pipe group, this refrigerant coil pipe group by plural layer worm-rotating type coil pipe with interval overlapping up and down, and fix by a coil pipe support and to form, wherein, every layer of worm-rotating type coil pipe revolved by a metal tube snail reel and forms the refrigerant metal coil pipe of a monomer, and each layer worm-rotating type coil pipe connects and composes refrigerant passage;

One water system comprises a water pump and a plurality of nozzle, and nozzle needle is provided with the worm-rotating type coil pipe, so that worm-rotating type coil pipe outer wall surface water membrane to be provided, for evaporation;

One wind power system has at least one desk fan, provides wind-force to pass through gap among the coil pipe group, makes the moisture film of worm-rotating type coil pipe tube-surface do constant-temperature evaporation, absorbs a large amount of evaporation heats, and the steam state refrigerant in the pipe is liquefied.

Related content in the technique scheme is explained as follows:

1, in the such scheme, described worm-rotating type coil pipe is revolved by a streamline section metal tube snail reel and forms, and plural layer worm-rotating type coil pipe constitutes the refrigerant coil pipe group that the plural layer streamline tube spirals and forms.

In order further to improve effect, the refrigerant coil pipe group that described plural layer streamline tube spirals and forms, can being interlaced with canine tooth by odd-level coil pipe and even level coil pipe, mode is overlapping to form, and leaves the space between the coil of every layer of coil pipe, so that wind power energy is blown over the surface of each coil pipe.In plural layer worm-rotating type coil pipe, the steam state refrigerant inlet port of its odd-level coil pipe concentrates on a side of coil pipe periphery, and through steam state refrigerant distributor pipe dispensing, the outlet of its liquid refrigerants then concentrates on the opposite side of coil pipe central space, is collected by a collecting pipe; The import and export of even level coil pipe then are arranged on the symmetric position with the import and export opposition side of odd-level dish.

2, in the such scheme, described coil pipe support comprises:

One annular underframe, this underframe have ring in an outer shroud and, and outer shroud and interior interannular divide four quadrants to link into an integrated entity with four horizontal stripes;

The outer pillar of four square channels is erected at the outer rim of outer shroud and four horizontal stripe joints respectively, and its notch is inside;

A plurality of outer hoops are with the outer rim of interval solid welding at four column jackets;

The interior pillar of four square channels, the inner edge of ring and four horizontal stripe joints is outside with its notch in being erected at respectively, stands far apart facing each other with the notch of every outer pillar;

Hoop in a plurality of is being distinguished the inboard of solid welding at four interior pillars with the relative position of outer hoop;

A plural number oblique arc stiffener is welded on respectively between whenever two-layer outer hoop, and between every two-layer interior hoop, firm so that entire bracket is solid.

3, in the such scheme, described coil pipe support is provided with the plural pieces clamp and is used for location and fixing worm-rotating type coil pipe between adjacent two layers worm-rotating type coil pipe, and the plural pieces clamp is divided into four groups at least, divides to be located at four quadrants; The thickness of every clamp is slightly less than on the support inside and outside pillar width of rebate, and its length is suitable can be snapped in the relative notch of the inside and outside pillar two of support, and it highly then equals the spacing of adjacent two layers coil pipe; The upper limb of clamp is provided with the equidistant upper latch notch of a group, and the shape of upper latch notch is suitable for putting into the Lower Half of a streamlined pipe; The lower edge of clamp then is provided with the following bayonet socket that a group is suitable for blocking the streamline tube first half, interlace with the upper latch notch canine tooth, earlier in four groups of relative interior column jacket notches, respectively put into a slice clamp during assembling, then a worm-rotating type coil pipe is put into the coil pipe support and keep flat the upper latch notch that snaps in four clamps with four quadrants, respectively put into second layer clamp again steadily, make the following bayonet socket of second layer clamp block the first half of coil pipe, put into second layer coil pipe again after firm, so going round and beginning again, is a whole refrigerant coil pipe group to finish.

4, in the such scheme, also comprise an outer container, its top is provided with the air port of a device fan and encloses a group shutter air port that is provided with under it all around, for the turnover of wind-force and the discharging of heat and steam, wherein, this fan is bottom blowing type or upward type, described bottom blowing type, then fan provides canyon power, behind space between coil pipe, heat and waste gas is discharged by the shutter that encloses under the casing; Described upward type, make progress discharges heat and waste gas of fan exhausting then, wind-force is sucked by the shutter around enclosing under the outer container.

5, in the such scheme, described water system, comprise a water pump, one water inlet distribution pipe, and at least one component is located at four hydraulic spray nozzles in quadrant district around the coil pipe, as be bottom blowing type then every group of nozzle be located at the top of coil pipe group, spray water mist downwards, if upward type then every group of nozzle is located at the below of coil pipe group, upwards spray water mist.

6, in the such scheme, described vortex cold medium coiler is that the inside turn of same plane forms a flush system worm-rotating type, or is a long oval shape, and its two ends are the semicircle of snail volume, and the centre is the parallel straight tube of a group, or the three-dimensional volute spring shape of spiraling for the conical surface.

For achieving the above object, the technical scheme that vortex cold medium coiler of the present invention adopts is: a kind of vortex cold medium coiler, this refrigerant coil pipe are revolved by a metal tube snail reel and form the refrigerant metal coil pipe of a monomer.

Related content in the technique scheme is explained as follows:

1, in the such scheme, described worm-rotating type coil pipe is revolved by a streamline section metal tube snail reel and forms.

2, in the such scheme, described vortex cold medium coiler is that the inside turn of same plane forms a flush system worm-rotating type, or is a long oval shape, and its two ends are the semicircle of snail volume, and the centre is the parallel straight tube of a group, or the three-dimensional volute spring shape of spiraling for the conical surface.

Operation principle of the present invention is: the condenser of a kind of vortex cold medium coiler (Spiral-curved medium coil); use the new construction of whole the tortuous vortex cold medium coiler that forms of metal tube one; break and commonly use the tradition that parallel reciprocating type coil pipe connects with large numbers of u shaped connectors; economize and use large numbers of U-joints; also exempt the welding engineering of these large numbers of joints; labor and material saving; and thoroughly eliminated the issuable coolant leakage of jumpbogroup seam; the more important thing is eliminated because of refrigerant when each u shaped connector; increase the pressure drop (pressure drop) that produces because of frictional force; in order to avoid cold medium compressor is paid extra power; recover the accumulation of this kind pressure drop with burden, thereby promote the EER value.

Because the technique scheme utilization, the present invention compared with prior art has following advantage and effect:

1, vortex cold medium coiler of the present invention and condenser have been eliminated the pressure drop that produces when using u shaped connector, promote the EER of condenser.

2, vortex cold medium coiler of the present invention and condenser make homogeneous tube not have pad, with the possibility of thorough release weld leakage.

3, vortex cold medium coiler of the present invention and condenser are exempted u shaped connector and the welder thereof commonly use, to reach material-saving saving of labor and save manufacturing cost again.

4, vortex cold medium coiler of the present invention and condenser, because of its periphery is circular, there is a space at its center, matches with the wind-force of fan fully, and wind-force is all brought into play.

Description of drawings

Accompanying drawing 1 is a traditional type condenser schematic perspective view.

Accompanying drawing 2 is a traditional type rectangle refrigerant coil pipe group, is unsuitable for the situation schematic diagram of fan wind-force.

Accompanying drawing 3 uses streamline section refrigerant coil pipe for the present invention, the basic enforcement illustration of the tortuous flush system worm-rotating type coil pipe that forms.

Accompanying drawing 3A is the A-A profile of Fig. 3.

Accompanying drawing 4 is overlapped into the sectional view of a whole coil pipe group for multilayer worm-rotating type coil pipe of the present invention.

Accompanying drawing 5 is the coil pipe supporting structure schematic diagram of assembling coil pipe of the present invention.

Accompanying drawing 6 is that multilayer worm-rotating type coil pipe of the present invention is assembled in the schematic diagram in the coil pipe support.

Accompanying drawing 7 uses the preferred embodiment schematic diagram of whole bottom blowing type refrigerant condenser of worm-rotating type coil pipe group for the present invention.

Accompanying drawing 8 is another preferable upward type condenser schematic diagram of the present invention.

Accompanying drawing 9 is a kind of embodiment schematic diagram of the tortuous one-tenth one volute spring shape of worm-rotating type coil pipe of the present invention.

Accompanying drawing 10 is the another kind of embodiment schematic diagram of the tortuous one-tenth one long oval shape of worm-rotating type coil pipe of the present invention.

In the above accompanying drawing, 10,10 ', the streamline section pipe flush system vortex cold medium coiler that spirals and form; 100, coil pipe group; 12,12 ', distributor pipe; 14,14 ', collecting pipe; 16, spiral shape semicircular arc; 18, parallel straight tube; 20, coil pipe support; 22, underframe; 222, outer ring; 224, inner ring; 226, horizontal stripe; 24, outer pillar; 242, notch; 244, outer hoop; 246, arc is strengthened slanted bar; 26, interior pillar; 262, notch; 264, interior hoop; 266, arc is strengthened slanted bar; 30, clamp; 32, upper latch notch; 34, following bayonet socket; 40, fan group; 50, water system; 52, water inlet distribution pipe; 54, hydraulic spray nozzle; 60, outer container; 62, air port; 64, shutter; 70, refrigerant coil pipe group; 72, straight tube; 74, u shaped connector; 76, soldered; 702, center; 704, four jiaos; 80, fin; 82, supporting plate; 90, hollow cone wind-force cross section; 902, Feng Qu; 904, Feng Qu.

The specific embodiment

Below in conjunction with drawings and Examples the present invention is further described:

Embodiment: see also shown in Figure 3, diagram is one of preferred embodiment of the present invention, the flush system vortex cold medium coiler 10 that spirals and form based on a streamlined cross section pipe, its peripheral entrance point is connected in a distributor pipe 12, the steam state refrigerant promptly thus distributor pipe 12 enter coil pipe 10, side outlet then is connected to a collecting pipe 14 in it, to collect the liquid refrigerants that has liquefied.Present embodiment system is an example with the streamline section pipe, is not limited to this yet the personnel that are familiar with field of the present invention should understand this case scope.

Fig. 4 is the sectional view that plural layer worm-rotating type coil pipe 10 and 10 ' constitutes a group coil pipe group 100.The coil pipe 10 of odd-level wherein, the import distributor pipe 12 of its steam state refrigerant is positioned at the outside on the nest of tubes left side, 14 right sides that are positioned at the inner space of the collecting pipe of liquid refrigerants; And the coil pipe 10 ' of even level, its steam state refrigerant import distributor pipe 12 ' is positioned at the outside on nest of tubes the right, and the collecting pipe 14 ' of liquid refrigerants is the left side of inner space not then.In fact even level coil pipe 10 ' is identical with odd-level coil pipe 10 shapes, only turned over 180 ° (Fig. 3 is changeed 180 °), coil pipe 10 and the coil pipe 10 ' that turns over 180 ° are done the arrangement that the alternate canine tooth of odd even interlaces, structure shown in Figure 4, the air-flow of wind-force can be passed through in the gap that canine tooth interlaces.

Fig. 5 shows a coil pipe support 20, becomes a coil pipe group in order to assembling a group worm-rotating type coil pipe 10 and 10 ', is made of 22, four outer pillars 24 of a circumferential underframe and four interior pillars 26.Underframe 22 is by an outer ring 222 and an inner ring 224, and four horizontal stripes 226, becomes one with four quadrants connection outer rings 222 and inner ring 224 respectively.Four outer pillars 24 and four interior pillars 26 are rectangular channel, four horizontal stripes 226 that are erected in underframe 22 respectively and outer ring 222 and with the joint of inner ring 226, make the

notch

242 and 262 of each externally

interior pillar

24 and 26 relative, and being welded in the outside of four outer pillars 24 with a plurality of outer hoops 244, per two 224 on adjacent outer hoops are provided with arc reinforcement slanted bar 246.To bind round between 264 in a plurality of, be welded in four interior pillar 26 inboards equally, again to bind round between 264 in slanted bar 266 welding two, to strengthen the steadiness of entire bracket 20.

Fig. 6 shows among Fig. 5 the situation of embedding plural layer clamp 30 in pillar 24 in each externally and 26 the

relative notch

242 and 262, the thickness of every clamp 30 is slightly less than the width of

pillar notch

242 and 262, its length is suitable can be snapped in two relative two notches 242,262, it highly then equals the spacing of every two-layer coil pipe 10 and 10 ', the upper limb of clamp 30 is provided with the equidistant upper latch notch 32 of a group, and the shape of each upper latch notch 32 is suitable for being provided with the Lower Half of a streamlined pipe; The lower edge of every layer of clamp 30 then is provided with the following bayonet socket 34 that a group and upper latch notch 32 canine tooths interlace, each down the shape of bayonet socket 34 be suitable for the first half of a streamlined pipe.

When multilayer refrigerant coil pipe 10 and 10 ', when being assembled into coil pipe support 20, in the

relative notch

242 and 262 of the four external pillars 24 that earlier four clamps 30 embedded support 20 respectively and interior pillar 26, steadily, the ground floor refrigerant coil pipe 10 of packing into, the Lower Half of each circle pipe of refrigerant coil pipe 10 is embedded in the upper latch notch 32 of clamp 30, the second layer clamp 30 of in four groups of

relative notches

242 and 262, packing into again, make the following bayonet socket 34 of this layer clamp 30, fix the first half of each circle pipe of coil pipe 10, make four the quadrant fastenings in 10 fens of ground floor coil pipe 30 of four groups of clamps, and be able to firmly after this put into second layer coil pipe 10 ' again, embed one deck clamp 30 again, so go round and begin again, promptly finish the coil pipe group 100 of a high stability.

Please again referring to Fig. 7, show the preferred embodiment of a bottom blowing type worm-rotating type coil pipe refrigerant condenser, at least the worm-rotating type coil pipe group 100 of a group streamline section (being illustrated as two groups of formulas) is arranged among the figure, the major part of streamline section pipe makes progress, and each coil pipe group 100 is assembled in the support 20 (not shown) by plural layer coil pipe 10 and 10 ' and forms; One fan group 40, blow flow (so claiming bottom blowing type) from top to bottom; One water system 50, comprise a water pump (not shown), one water inlet distribution pipe 52, and a group hydraulic spray nozzle 54, divide the intermittent downwards spray water mist of four quadrants, with the surface that coil pipe 10 and 10 ' are provided water membrane is arranged, and make moisture film that the time of abundant evaporation be arranged with its intermittent water application as subregion takes turns, absorbing a large amount of heat of evaporations, and make the refrigerant fast cooling; One outer container 60 is a drum type or square casing, and the top is provided with at least one air inlet 62, and Oral appliances fan group 40 is provided with a group shutter 64 around following the enclosing of case, carries the air-flow of heat and steam with discharging; The steam state refrigerant enters coil pipe group 100 by two distributor pipes 12 and 12 ' respectively, after the liquid refrigerants after the liquefaction is then concentrated by the collecting pipe 14 of being located at the center and 14 ' again for use.

Fig. 8 shows the most preferred embodiment of a upward type vortex cold medium coiler condenser.Opposite with the wind flow direction of the bottom blowing type of Fig. 7, fan group 40 becomes an air exhauster, shutter 64 becomes air inlet, the air port 62 of device fan becomes the exhaust outlet of discharging heat and steam, streamline section coil pipe 10 and 10 ' in the coil pipe group 100 makes major part into downwards with the power of facining the wind, 54 at hydraulic spray nozzle is located at the below of coil pipe 100 and is upwards sprayed water smoke, and other structure is all identical with Fig. 7, so omit in the drawings.Because present embodiment is different with air draft direction embodiment illustrated in fig. 7, be applicable to different outdoor environments respectively, bottom blowing type only is fit to adorn with roof or open space, otherwise it will influence near neighbours living environment all around to heat of discharging and waste gas, then fixing heat and the waste gas of upwards discharging of upward type, very little to ambient influnence, so be fit to the dress narrow environment of the exterior space.

Fig. 9 shows another embodiment of worm-rotating type coil pipe of the present invention, and this coil pipe 10 is a volute spring formula, and the coil pipe group 100 of multilayer can be copied aforesaid flush system coil pipe, and the mode that interlaces with every layer of canine tooth is done the configuration of folded bowl formula and formed.

Figure 10 is another embodiment of worm-rotating type coil pipe variant of the present invention, and the two ends of its coil pipe 10 are two semicircular arcs 16 of spiral shape, and the centre then is that 18 one-tenth one long oval shapes of one section parallel straight tube are spiraled on earth, thereby in order to avoid uses other U-joint to eliminate pressure drop.

The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims

1, a kind of fin-free condenser of vortex cold medium coiler is characterized in that primary structure comprises:

2, condenser according to claim 1 is characterized in that: described worm-rotating type coil pipe is revolved by a streamline section metal tube snail reel and forms, and plural layer worm-rotating type coil pipe constitutes the refrigerant coil pipe group that the plural layer streamline tube spirals and forms.

3, condenser according to claim 2, it is characterized in that: the refrigerant coil pipe group that described plural layer streamline tube spirals and forms, being interlaced with canine tooth by odd-level coil pipe and even level coil pipe, mode is overlapping to form, leave the space between the coil of every layer of coil pipe, so that wind power energy is blown over the surface of each coil pipe.

4, condenser according to claim 3, it is characterized in that: in the described plural layer worm-rotating type coil pipe, the steam state refrigerant inlet port of its odd-level coil pipe concentrates on a side of coil pipe periphery, and send through a steam state refrigerant distributor pipe, the outlet of its liquid refrigerants then concentrates on the opposite side of coil pipe central space, is collected by a collecting pipe; The import and export of even level coil pipe then are arranged on the symmetric position with the import and export opposition side of odd-level dish.

5, condenser according to claim 1 is characterized in that: described coil pipe support comprises:

6, condenser according to claim 5 is characterized in that: in the described coil pipe support, be provided with the plural pieces clamp and be used for location and fixing worm-rotating type coil pipe between adjacent two layers worm-rotating type coil pipe, the plural pieces clamp is divided into four groups at least, divides to be located at four quadrants; The thickness of every clamp is slightly less than on the support inside and outside pillar width of rebate, and its length is suitable can be snapped in the relative notch of the inside and outside pillar two of support, and it highly then equals the spacing of adjacent two layers coil pipe; The upper limb of clamp is provided with the equidistant upper latch notch of a group, and the shape of upper latch notch is suitable for putting into the Lower Half of a streamlined pipe; The lower edge of clamp then is provided with the following bayonet socket that a group is suitable for blocking the streamline tube first half, interlace with the upper latch notch canine tooth, earlier in four groups of relative interior column jacket notches, respectively put into a slice clamp during assembling, then a worm-rotating type coil pipe is put into the coil pipe support and keep flat the upper latch notch that snaps in four clamps with four quadrants, respectively put into second layer clamp again steadily, make the following bayonet socket of second layer clamp block the first half of coil pipe, put into second layer coil pipe again after firm, so going round and beginning again, is a whole refrigerant coil pipe group to finish.

7, condenser according to claim 1, it is characterized in that: also comprise an outer container, its top is provided with the air port of a device fan and encloses a group shutter air port that is provided with under it all around, for the turnover of wind-force and the discharging of heat and steam, wherein, this fan is bottom blowing type or upward type, described bottom blowing type, then fan provides canyon power, behind space between coil pipe, heat and waste gas is discharged by the shutter that encloses under the casing; Described upward type, make progress discharges heat and waste gas of fan exhausting then, wind-force is sucked by the shutter around enclosing under the outer container.

8, condenser according to claim 1, it is characterized in that: described vortex cold medium coiler is that the inside turn of same plane forms a flush system worm-rotating type, or is a long oval shape, and its two ends are the semicircle of snail volume, the centre is the parallel straight tube of a group, or the three-dimensional volute spring shape of spiraling for the conical surface.

9, a kind of vortex cold medium coiler is characterized in that: this refrigerant coil pipe is revolved by a metal tube snail reel and forms the refrigerant metal coil pipe of a monomer.

10, refrigerant coil pipe according to claim 9 is characterized in that: described worm-rotating type coil pipe is revolved by a streamline section metal tube snail reel and forms.