CN206876035U - A kind of inner fin heat exchange tube, condenser and its movable refrigeration house - Google Patents
A kind of inner fin heat exchange tube, condenser and its movable refrigeration house Download PDFInfo
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- CN206876035U CN206876035U CN201720816318.6U CN201720816318U CN206876035U CN 206876035 U CN206876035 U CN 206876035U CN 201720816318 U CN201720816318 U CN 201720816318U CN 206876035 U CN206876035 U CN 206876035U
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Abstract
The utility model provides a kind of inner fin heat exchange tube, condenser and its movable refrigeration house, inner fin heat exchange tube includes, along the central axial setting center-pole of heat exchanger tube and along center-pole to the more radial bars radially extended, the more triangular fins to stretch out from radial bars being set in the radial bars.The utility model devises new-type inner fin structure condenser pipe, by the triangular fin of Novel structure condenser pipe, adds the disturbance of heat exchange area and fluid, improves heat transfer effect.
Description
Technical field
It the utility model is related to field of heat exchange, more particularly to a kind of inner fin heat exchange tube, condenser and its can be assembled mobile
Freezer.
Background technology
Cold Chain Logistics development in China is still at an early stage, huge with developed country gap, there is substantial amounts of fresh production every year
Product slattern because not using cold chain transportation.China is carrying forward vigorously the development of Cold Chain Logistics at present, and freezer is as cold chain
A very important ring in transport, its construction scale and technology development directly affect the development of whole Cold Chain Logistics.Currently, China
Mainly to fix based on large cold storage, its scale capacity is small, waits the circumstantial impact development of China's cold chain using limited, especially
In the transportation problem of cold chain one kilometer and last one kilometer at first, traditional freezer can't resolve, although also there is some small-sized
Movable refrigeration house is using, but its heat insulation effect is poor, and cold-heat bridge treatment technology is unqualified, the problems such as structural instability, it is difficult to ensures
Good using effect.
The condenser of freezer sets condenser pipe, but the exchange capability of heat deficiency of condenser pipe causes refrigeration bad, therefore
Need to develop a kind of new heat exchanger tube.
The content of the invention
The purpose of this utility model is to provide a kind of inner fin heat exchange tube, condenser and its movable refrigeration house, the interior wing
Piece heat exchanger tube uses new heat exchange structure, improves heat transfer effect.The movable refrigeration house has the freezer of grafting sealing structure simultaneously
Plate, the cold storage plate, as heat-insulation layer, are solved freezer assembling and structure problem by grafting, led to using vacuum heat-insulating plate and polyurethane
Cross and carry seal to solve the processing of seam cold-heat bridge, raising freezer is reached as heat-insulation layer by using vacuum heat-insulating plate
Heat-insulating property, reduce the refrigeration duty of refrigeration system, extend its service life.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of inner fin heat exchange tube, including along the central axial setting center-pole of heat exchanger tube and along center-pole to footpath
To more radial bars of extension, the more triangular fins to stretch out from radial bars are set in the radial bars.
Preferably, the triangular fin is similar figures, from the center of heat exchanger tube to the tube wall of heat exchanger tube, triangle wing
Piece is less and less.
Preferably, radial bars both sides distribution triangle fin, triangular fin are symmetrical along the center line of radial bars.
It is preferably, less and less to the tube wall of heat exchanger tube, the length of side or area of triangular fin from the center of heat exchanger tube.
Preferably, from the center of heat exchanger tube to radial direction, the spacing between adjacent radial bars triangular fin is not
Disconnected increase.
Preferably, described triangular fin is right angled triangle fin, the short side for forming right angle is located in radial bars,
Long side stretches out from radial bars；
Acute angle where the long side at the right angle is A, and the length of the long side at right angle is B, the adjacent distance of triangular fin
For C, then meet following require：C/B=a*tan(A)2+ b* tan (A)+c, wherein 0.620<a<0.623,
0.490<b<0.496,
0.1910<c<0.1920,
5<A<25 °,
0.19< C/B<0.36,
0.25R<B<0.32R, R are the radiuses of heat exchange bore.
A kind of condenser, including header and the condenser pipe that is connected between header, the condenser pipe is foregoing
Heat exchanger tube.
One kind can assembled movable refrigeration house, including cold storage plate, evaporation unit and condensation unit, the cold storage plate constitutes movement
The housing of freezer, it is characterised in that the cold storage plate includes vacuum heat-insulating plate and coats the insulation material of vacuum heat-insulating plate, described
Grafting section bar is set on cold storage plate, and adjacent cold storage plate is linked together by grafting section bar.
Preferably, grafting section bar include the grafting groove that is arranged on cold storage plate and be arranged on another cold storage plate with
The corresponding grafting tongue of grafting groove.
Preferably, the grafting section bar includes caulking groove, decorative panel one end is stretched into caulking groove.
Preferably, the insulation material is polyurethane.
Preferably, condensation unit is located at freezer outer lower portion, the condensation unit includes header and is connected to header
Between condenser pipe, fin is set in the condenser pipe.
The utility model has the following advantages that：
1）The utility model devises new-type inner fin structure condenser pipe, passes through the triangle wing of Novel structure condenser pipe
Piece, the disturbance of heat exchange area and fluid is added, improves heat transfer effect.
2）The utility model passes through numerical simulation and many experiments, it is determined that the optimal relation of inner fin, further carries
High heat transfer effect, also provides an optimal reference frame for being related to for such a fin.
3）There is movable refrigeration house plate prepared by the utility model special connected structure to design, with conventional libraries plate connecting method phase
Than, storehouse plate in splicing more quickness and high efficiency, steadiness is also more preferable, can effectively improve the assembling speed of storehouse plate.
4）The utility model, as storehouse plate insulation material, substantially increases the insulation of cold storage plate by using vacuum heat-insulating plate
Performance, so as to reduce the load of refrigeration system, the more energy-conserving and environment-protective compared with conventional freezer.
5）There is dual-seal bar neck on movable refrigeration house connected structure involved by the utility model, piece can be greatly improved
Between sealing property, optimize cold bridge structure, not only avoid conventional method need junction carry out gluing sealing work
Skill, and improve the integral heat insulation and convenient disassembly of freezer.
6）Movable refrigeration house involved by the utility model is equipped with metal bracket, fork truck can be used compared to traditional freezer
Freezer is carried, greatly facilitates the mobility of movable refrigeration house.Metal bracket before assembling with can be used as freezer after dismounting
The packing container of plate, realize that freezer circulates.
Brief description of the drawings
Fig. 1 is cold storage plate attachment structure schematic diagram.
Fig. 2 is cold storage plate attachment structure schematic diagram.
Fig. 3 is freezer integral layout schematic diagram.
Fig. 4 is the left view in Fig. 3.
Fig. 5 is condenser pipe inner fin structural representation.
Fig. 6 is condenser pipe inner fin scale diagrams.
In figure：11- vacuum heat-insulating plates；12- hard polyurethane foams；13- exterior decoration panels；14- grafting grooves；15- is close
Strip of paper used for sealing caulking groove；16- exterior decoration panel caulking grooves；17- grafting tongues；
21- condenser pipes；22- radial bars；23- triangular fins；24- center-poles；
31- evaporator groups；32- controllers；33- condenser groups；34- cold storage door locks；35- cold-storage doors；36- Hinge for storehouse door；
37- fork truck slots；38- metal brackets.
Embodiment
As Figure 1-4, one kind can assembled movable refrigeration house, including cold storage plate, evaporation unit 31 and condensation unit 33, it is described
Cold storage plate constitutes the housing of movable refrigeration house, and as shown in Figure 1-2, the cold storage plate includes vacuum heat-insulating plate 11 and cladding vacuum is exhausted
The insulation material 12 of hot plate, grafting section bar 14 and 17 is set, and adjacent cold storage plate passes through the He of grafting section bar 14 on the cold storage plate
17 link together.
There is movable refrigeration house plate prepared by the utility model special connected structure to design, with conventional libraries plate connecting method phase
Than, storehouse plate in splicing more quickness and high efficiency, steadiness is also more preferable, can effectively improve the assembling speed of storehouse plate.
The utility model as storehouse plate insulation material, substantially increases the heat insulating ability of cold storage plate by using vacuum heat-insulating plate
Can, so as to reduce the load of refrigeration system, the more energy-conserving and environment-protective compared with conventional freezer.
Preferably, grafting section bar includes the grafting groove 14 being arranged on cold storage plate and is arranged on another cold storage plate
The grafting tongue 17 corresponding with grafting groove.
Preferably, as shown in figure 1, the width of the bottom of grafting groove 14 is more than the width of the opening of grafting groove 14
Degree, the width on the top of grafting tongue 17 are more than the width of the bottom of grafting tongue 17.Pass through said structure so that grafting groove
14 and grafting tongue 17 engage in there is stronger clamping force.
Preferably, the grafting section bar includes caulking groove 16, the one end of decorative panel 13 is stretched into caulking groove 16.By setting caulking groove
16 so that decorative panel is completely embedded into grafting section bar and coats cold storage plate, on the one hand make it that decorative panel 13 and cold storage plate are close
With reference to, avoid decorative layer from coming off, on the other hand cause individually every piece of cold storage plate decorated, it is not necessary to cold storage plate assembling after
Decorated again, foring completely can assembled movable refrigeration house.
Preferably, the insulation material is polyurethane.
Preferably, band sealing strip on the grafting section bar, it is ensured that joint good seal.
The movable refrigeration house includes metal carrier plate, and there is inserting available for fork truck handling the metal carrier plate side
Groove, top surface are provided with square steel slot, plug square steel and can be used to hold cold storage plate used in single set movable refrigeration house.
Evaporator group 31 is located on the inside of side top, and condenser group 33 is located on the outside of side bottom, and controller 32 is located at side
On the outside of Middle face.Ku Men is set and freezer front medium position, is fixed on one by hinge and cold storage plate, passes through locking device
To ensure that storehouse door is closed.
Preferably, condenser group 33 is provided with metal outer frame, for accepting top cold storage plate.
Preferably, warming plate uses vacuum heat-insulating plate and polyurethane to be located at as heat-insulation layer, vacuum heat-insulating plate in sheet material
Between, both sides are coated by polyurethane, and balustrade exterior panelling can use color steel or glass epoxy, and plate carries out 180o with plate and docked.
Fig. 2 illustrates the freezer harden structure of another embodiment, prepared by grafting section bar 14,17 and external decoration panel combination
The cold-storage insulation board with connected structure is obtained, warming plate uses vacuum heat-insulating plate 11 and polyurethane as heat-insulation layer, vacuum insulation
Plate is located among sheet material, and both sides are attached by polyurethane bag, and balustrade exterior panelling can use color steel or glass epoxy, and plate carries out 90 with plate
O is docked.
Such as Fig. 3, by cold storage plate by carrying out Fig. 3 to be assembled into heat-preservation warehouse body, cold-storage door is placed in the positive Middle face of freezer, uses hinge
It is fixed on cold storage plate, installation evaporator inside the library afterbody upper right side, lower right condenser installation condenser, condenser top
Outside is installed by controller.
Preferably, the condensation unit includes collector and the condenser pipe 21 being connected between collector, the condenser pipe
Fin is set in 21, as shown in Figure 5.
Preferably, the condenser pipe 21 is arranged for horizontal direction.
Preferably, the centrally disposed center-pole 24 axially of condenser pipe 21 and along center-pole 24 to footpath
To more radial bars 22 of extension, the more triangular fins 23 to stretch out from radial bars 22 are set in the radial bars 22.
The utility model, can be with by the triangular fin 23 that sets radial bars 22 and stretch out along radial bars 22
Further increase heat exchange area, improve heat transfer effect, and because setting triangular fin, pass through the similar pin of triangular fin
The triangular tip of shape structure, it can further increase flow-disturbing so that fluid is sufficiently mixed, especially with on-condensible gas
In the case of, the increase and aggregation of bubble can be further destroyed, improves heat transfer effect.
Further preferably, radial bars cross section is rectangle, is preferably square.
Further preferably, radial bars cross section is circle.
Preferably, 0.2-0.4 times of a diameter of center-pole of the engineering of radial bars, preferably 0.3 times.
Preferably, described radial bars 22 are shaft, from the center of circle along radially extending in condenser pipe 21
Wall.
Preferably, multiple triangular fins 23, described multiple triangular fins 23 are set on 22 in each radial bars
It is similar figures.Three interior angles in correspondence with each other of i.e. different triangular fins are identical.
Preferably, got over from the center of condenser pipe 21 to the tube wall of condenser pipe 21, the length of side or area of triangular fin 23
Come smaller.
Preferably, the both sides distribution triangle fin 23 of radial bars 22, center of the triangular fin 23 along radial bars 22
Line is symmetrical.
Preferably, the distance between adjacent triangular fin 23 of radial bars 22 keeps constant.
Preferably, from the center of condenser pipe 21 to radial direction, between the adjacent triangular fin 23 of radial bars 22
Spacing constantly increases.
Constantly increased by the spacing between the adjacent triangular fin 23 of radial bars 22, external fluid stream can be caused
The big local fluid circulation space of momentum is big, can further reduce flow resistance, heat transfer effect is held essentially constant.
Preferably, described triangular fin 23 is right angled triangle fin, the short side for forming right angle is located at radial bars
On, long side stretches out from radial bars.
Preferably, the radial bars 22 are round bar, its a diameter of 0.6-1.2mm, preferably 0.8mm.
Preferably, triangular fin stretches out from the central plane of round bar.The triangular fin is slab construction.
The slab construction is perpendicular to center-pole 24, and slab construction extended surface passes through the center line of round bar.
Learnt by numerical analysis and experiment, adjacent triangular fin spacing can not be too big, can then make greatly very much
Bad into augmentation of heat transfer effect, but spacing can not be too small, spacing is too small, then cause fluid Bottomhole pressure resistance too
Greatly, similarly, the drift angle of triangular fin can not be too big, can also influence very much flow resistance greatly, and can cause greatly very much
Flow-disturbing effect is bad, but can not be too small, it is too small if heat exchange area it is too small, can also influence heat transfer effect.Therefore this practicality
New accounted in terms of the heat transfer effect and flow resistance two, therefore the utility model is by largely testing, excellent
First meet normal flow resistance（Total pressure-bearing is below 10Mpa）In the case of so that being optimal of heat transfer effect, arrange
The optimal relation of parameters.
Acute angle where the long side at the right angle is A, and the length of side of the long side at right angle is B, adjacent in same radial bars 22
The adjacent distance of triangular fin is C, then meets following require：C/B=a*tan(A)2+ b* tan (A)+c, wherein tan is three
Angle function, a, b, c are parameters；
0.620<a<0.623, preferably a=0.6215,
0.490<b<0.496, preferably b=0.0493,
0.1910<c<0.1920, preferably c=0.1914,
5<A<25 degree（Angle）,
0.19< C/B<0.36,0.25R<B<0.32 R.
R is positioned at the distance at the midpoint on the side at the place of longitudinal fin 22 from the center of circle to right angled triangle.
Wherein adjacent distance C is the spacing between the side at the place for being located at longitudinal fin 22 with adjacent triangle fin；
I.e. triangular fin be located at the place of longitudinal fin 22 side rear end and rear triangular positioned at the place of longitudinal fin 22
The distance between side front end.Referring specifically to Fig. 6 mark.
The length of side B of the long side at right angle chooses the average value of the length of side of the long side at two right angles of adjacent triangular fin.
Further preferably, the internal diameter of condenser pipe is 25-40mm.
Preferably, the length of all condenser pipes and be 2.0-4.0m.Preferably 3.0m.
Preferably, condenser pipe is straight tube.
Although the utility model is disclosed as above with preferred embodiment, the utility model is not limited to this.Any
Art personnel, do not departing from spirit and scope of the present utility model, can make various changes or modifications, therefore this practicality
New protection domain should be defined by claim limited range.
Claims (8)
1. a kind of inner fin heat exchange tube, including along the central axial setting center-pole of heat exchanger tube and along center-pole to radially
More radial bars of extension, the more triangular fins to stretch out from radial bars are set in the radial bars.
2. inner fin heat exchange tube as claimed in claim 1, it is characterised in that the triangular fin is similar figures, from heat exchange
To the tube wall of heat exchanger tube, triangular fin is less and less at the center of pipe.
3. inner fin heat exchange tube as claimed in claim 2, it is characterised in that radial bars both sides distribution triangle fin, triangle
Shape fin is symmetrical along the center line of radial bars.
4. inner fin heat exchange tube as claimed in claim 2, it is characterised in that from the center of heat exchanger tube to the tube wall of heat exchanger tube,
The length of side or area of triangular fin are less and less.
5. inner fin heat exchange tube as claimed in claim 2, it is characterised in that adjacent from the center of heat exchanger tube to radial direction
Radial bars triangular fin between spacing constantly increase.
6. inner fin heat exchange tube as claimed in claim 2, it is characterised in that described triangular fin is right angled triangle wing
Piece, the short side for forming right angle are located in radial bars, and long side stretches out from radial bars；
Acute angle where the long side at the right angle is A, and the length of the long side at right angle is B, triangular fin phase in same radial bars
Adjacent distance is C, then meets following require：C/B=a*tan(A)2+ b* tan (A)+c, wherein 0.620<a<0.623,
0.490<b<0.496,
0.1910<c<0.1920,5<A<25 °, 0.19< C/B<0.36,0.25R<B<0.32R, R are the radiuses of heat exchange bore.
7. a kind of condenser, including header and the condenser pipe that is connected between header, the condenser pipe be claim 1-6 it
Heat exchanger tube described in one.
8. a kind of movable refrigeration house, evaporation unit and condensation unit, it is characterised in that the condensation unit includes claim 7 institute
The condenser stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816318.6U CN206876035U (en) | 2017-07-07 | 2017-07-07 | A kind of inner fin heat exchange tube, condenser and its movable refrigeration house |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816318.6U CN206876035U (en) | 2017-07-07 | 2017-07-07 | A kind of inner fin heat exchange tube, condenser and its movable refrigeration house |
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| CN206876035U true CN206876035U (en) | 2018-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663362A (en) * | 2018-06-01 | 2018-10-16 | 苏州三体智能科技有限公司 | A kind of detection of agricultural products system and its detection method |
-
2017
- 2017-07-07 CN CN201720816318.6U patent/CN206876035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663362A (en) * | 2018-06-01 | 2018-10-16 | 苏州三体智能科技有限公司 | A kind of detection of agricultural products system and its detection method |
| CN108663362B (en) * | 2018-06-01 | 2020-09-04 | 江苏康正生物科技有限公司 | Agricultural product detection system and detection method thereof |
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