CN1138113C - Cooling equipment with wound cooling tube, erection structure thereof and fixing apparatus therewith - Google Patents
Cooling equipment with wound cooling tube, erection structure thereof and fixing apparatus therewith Download PDFInfo
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- CN1138113C CN1138113C CNB981231284A CN98123128A CN1138113C CN 1138113 C CN1138113 C CN 1138113C CN B981231284 A CNB981231284 A CN B981231284A CN 98123128 A CN98123128 A CN 98123128A CN 1138113 C CN1138113 C CN 1138113C
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Abstract
A cooling device comprises cooling chamber for accommodating articles and cooling pipe winding a periphery around a wall surface. The cooling device is characterized in that the section shape of the cooling pipe should be insured to contact with the wall surface at a surface contact status at least in partial area. The section shape of the cooling pipe is contacting with the wall surface at a surface contact status in the plane contacting area, and is contacting with the said angle contacting area at a line contact status. Corner pads are disposed on plurality of corners for absorbing the stave force to the cooling pipe. The cooling pipes are mounted on at least one place in parallel direction and wind round the periphery of the wall surface. A rectangle fixing component is disposed among the parallel pipes for fixing a temperature-sensing cylinder, and has two concave parts tabled with one of the cooling pipes and the temperature-sensing cylinder and an end part contacting with another one of the cooling pipes.
Description
The present invention relates to a kind of helical form and be configured in refrigerator, the cooling device with cooling tube of refrigerating box, particularly to refrigerator, the mounting structure of the cooling tube of the cooling device of refrigerating box etc. improves and temperature sensing tube is installed to fixture on the cooling device.
Current refrigerator is shown in the fair strictly according to the facts 4-34380 communique such as the cooling device on the refrigerating box etc.The cooling device that is disclosed in this communique is the refrigerator with opening.Refrigerated display cabinet, article are placed in the case by opening, and the cooling chamber of storing products is the insulated cabinet that is rectangle basically.Casing possesses interior case, and outer container and be filled in two heat-insulating materials between case is in the cooling tube helical form is coiled on the outer surface of case.The temperature sensing tube of oven temperature, degree is fixed on the outer peripheral face of case in this in detecting, and the state of cooling of the cooling device that can constitute cooling tube detects thus.
Fig. 1 illustrates the cooling tube of having fixed the helical form configuration and the existing cooling device of temperature sensing tube, and wherein figure (A) is a front view, (B) is the side view of (A).
In the existing cooling device shown in Figure 1, on the outer peripheral face of interior case helical coil around cooling tube 124, and, the temperature sensing tube 120 that temperature sensor has been inserted in inside by as two temperature sensing tube fixed parts 121 be installed on the optional position of case.Here, the 123rd, the lead of temperature sensor.
In above-mentioned existing structure, in the process of making cooling chamber, when the coiling cooling tube, because cooling tube collapses on each angle of interior case by quarter bend basically, so on these angles, cooling tube or be crushed or be bent is therefore to the influence of the mobile generation of cold-producing medium.In addition, because the cross sectional shape of cooling tube is generally circular, so less with respect to the wall contact area, the rate of heat exchange of cooling tube and cooling chamber is lower.In addition, because temperature sensing tube fixed part 121 is installed on the optional position, therefore will cause like this temperature sensing tube fixed part 121 can optionally be installed, its installation site is bad in other words determines.That is it is very important, temperature sensing tube being arranged on definite position in the commodity that produce in enormous quantities the stable of its quality.In order to satisfy this requirement, just must guarantee correctly that temperature-sensitive partly is positioned on the position of cooling tube (automatically correctly reeling), and temperature sensing tube is fixed on the preposition.
In view of above-mentioned problems of the prior art, first purpose of the present invention is to provide a kind of installation constitution of cooling tube of the heat exchanger effectiveness that can improve cooling tube and cooling chamber.
The installation constitution of the cooling tube of the cooling device that cooling tube can not be crushed or bend when second purpose of the present invention was to provide on a kind of wall that cooling tube is wound up into cooling chamber.
The 3rd purpose of the present invention provides the temperature sensing tube fixture on a kind of precalculated position that can correctly temperature sensing tube be fixed on cooling chamber.
In order to finish above-mentioned purpose, provide a kind of cooling device according to the first embodiment of the present invention, this cooling device comprises cooling chamber and the cooling tube that holds article, cooling tube is wound on the periphery of the wall of this cooling chamber, it is characterized in that above-mentioned cooling tube its cross sectional shape in subregion at least should guarantee that being face with above-mentioned wall contacts.
In above-mentioned cooling device, preferably the cross sectional shape with in above-mentioned wall is the zone that face contacts of above-mentioned cooling tube is the part elliptical shape that removes the part ellipse along flat-cut, and the cross sectional shape of the above-mentioned cooling tube of other contact area of above-mentioned wall is circular.
In addition, according to a second embodiment of the present invention, the installation constitution of the cooling tube on a kind of cooling device is provided, this cooling device comprises cooling chamber and the cooling tube that holds article, cooling tube is wound on the periphery of the wall of this cooling chamber, it is characterized in that above-mentioned cooling tube its cross sectional shape in subregion at least should guarantee that being face with above-mentioned wall contacts.
In the installation constitution of above-mentioned cooling tube, the cross sectional shape with in above-mentioned wall is the zone that face contacts of above-mentioned cooling tube is to remove the oval such part elliptical shape of part along flat-cut, and the cross sectional shape of the above-mentioned cooling tube of the contact area outside the above-mentioned wall is circular.
At this moment, have along a plurality of angles in the coiling path of above-mentioned cooling tube and be formed under the situation on the plane between the angle at above-mentioned wall, the cross sectional shape of best above-mentioned cooling tube with the zone of above-mentioned plane contact in be face with above-mentioned wall and contact, contact being essentially line with the zone of above-mentioned angular contact.
The cross sectional shape with in above-mentioned wall is the zone that face contacts of above-mentioned cooling tube can be to remove the oval such part elliptical shape of part along flat-cut, and the cross sectional shape that is the line contact area with wall substantially can be circular.Cooling tube also can vertically directly adhere to wall.
In addition, carry out screw winding with respect to the peripheral shape of wall with best next state, preferably change the angle of inclination of reeling in order to make cooling tube.Coiling at cooling tube begins part and latter end place, and cooling tube is preferably flatly reeled with height H.
In addition, a third embodiment in accordance with the invention, the installation constitution of the cooling tube on a kind of cooling device is provided, this cooling device comprises cooling chamber and the cooling tube that holds article, cooling tube is wound on the periphery of the wall of this cooling chamber, above-mentioned wall has a plurality of angles along the coiling path of above-mentioned cooling tube, has disposed the angle pad that absorbs above-mentioned cooling tube flat pressure on above-mentioned a plurality of angles, across pad ground, above-mentioned angle above-mentioned cooling tube is wound on the above-mentioned wall.
At this moment, formed gathering sill in the coiling path of the above-mentioned cooling tube in the lateral surface upper edge of above-mentioned angle pad.
In addition, above-mentioned angle pad is preferably formed by resins such as foamed styrenes.
Under the situation of the periphery multi-turn of above-mentioned each angle and above-mentioned wall, the length of above-mentioned angle pad can be crossed over above-mentioned cooling tube and be walked around several points on above-mentioned each angle at above-mentioned cooling tube, covers a plurality of walking around a little by single above-mentioned angle pad.
In addition, a fourth embodiment in accordance with the invention, provide a kind of temperature sensing tube is fixed to fixture on the cooling device, this cooling device comprises the cooling chamber that holds article, be wound on cooling tube and temperature sensing tube on the periphery of its wall, this temperature sensing tube interpolation detects the temperature sensor of cooling chamber temperature and is fixed on the wall periphery, above-mentioned cooling tube at least a local configured in parallel be wound on the periphery of above-mentioned wall, between this parallel pipe, be provided with the rectangle fixed part, this fixed part is fixed above-mentioned temperature sensing tube, and has and chimeric two recesses of a side of the cooling tube of configured in parallel and above-mentioned temperature sensing tube and the end that contacts with the opposing party of above-mentioned cooling tube.
According to above the present invention,, so can improve the cooling tube in this interval and the rate of heat exchange of cooling chamber because cooling tube is face with the wall of cooling chamber and contact.
In addition, owing to can guarantee the intensity of the cooling tube on the angle, and, be provided with the angle pad, therefore, extruding force that when the coiling cooling tube pipe is produced or crowded flat power are absorbed by the angle pad, can prevent that cooling tube self is crushed or bends.
In addition,, therefore can improve operating efficiency because the installation site that temperature sensing tube is installed on the cooling device is fixed, and, the reliability of installation also can be improved.
Fig. 1 illustrates the cooling tube of having fixed the helical form configuration and the existing cooling device of temperature sensing tube, and wherein figure (A) is a front view, (B) is the side view of (A).
Fig. 2 is the sectional drawing of the cooling device integral body of the refrigerator that the present invention relates to.
Fig. 3 is the erecting device that is used to illustrate the cooling tube of first embodiment of the invention, shows the decomposition diagram of the refrigerant loop of cooling device.
Fig. 4 illustrates the installation constitution of the cooling tube of the cooling device on the refrigerator of first embodiment of the invention, (A) is the sectional drawing along the IA-IA line of Fig. 3, and figure (B) is the sectional drawing along the IB-IB line.
Fig. 5 is the side view of concrete structure of installation that the cooling tube of first embodiment is shown, and the installation constitution of present embodiment (A) is shown, and is that existing installation constitution is shown (B).
Fig. 6 is the erecting device that is used to illustrate the cooling tube of second embodiment of the invention, shows the decomposition diagram of the refrigerant loop of cooling device.
(A) of Fig. 7 is the plane from the angle of Fig. 6, and Fig. 7 (B) is the sectional drawing along the B-B line of figure (A).
Fig. 8 is the accompanying drawing of the fixture that is installed in the temperature sensing tube on the cooling device that relates to of explanation third embodiment of the invention, (A) is front view, (B) is the cross-section side view along the A-A line of (A).
Fig. 9 is the sectional elevation of the temperature sensing tube shown in Fig. 8.
Below, with reference to description of drawings refrigerator of the present invention, the cooling device of the package ground assembling cooling tube on the refrigerating box, cooling tube is installed to the installation constitution on the cooling device, and temperature sensing tube is installed to the fixture on the cooling device.
At first, with reference to the accompanying drawing 2 explanation first embodiment of the present invention, promptly be wound with the essential structure of cooling device of the refrigerator of cooling tube.
Fig. 2 is the sectional drawing of the cooling device integral body of refrigerator, and Fig. 3 is the installation constitution (second embodiment) that is wound on the cooling tube on the cooling device of first embodiment, the i.e. decomposition diagram of the refrigerant loop of the cooling device of Fig. 2.
The cooling device of present embodiment is a household freezer of storing the contents of ice cream etc., is formed for getting the opening of depositing article in the above, is covered by the two fan doors that slide freely, is referred to as so-called cabinet type household freezer.
As shown in Figure 2, cooling chamber A is formed by the body of thermal insulating box 1 that upside has opening 2.
This body of thermal insulating box 1 is by case in the metal system 4 and outer container 5, the framework 6 of case 4 and outer container 5 upper ends in engaging around the opening 2, and heat-insulating material 7 formations of the foaming urethane resin between case 4 and the outer container 5 etc. in being filled in.
2 sections guide rail 15A, 15B are set on the upper end of cooling chamber A framework 6, cover the opening 2 of cooling chamber A by 2 lids 13,14 that slide along guide rail.
In being equivalent to, form Machine Room 22 on the downside of the cooling chamber A that cuts part of case 4 and outer container 5, the compressor 20 of compressed refrigerant, drier 21 grades of removing institute's water content in the cold-producing medium are arranged in this Machine Room 22.Install on four angles of bottom of device and move with pulley 9.
Round the wall of cooling chamber A promptly on the periphery of side wall surface of case 4 as shown in Figure 3, around the cooling tube 10 of multi-turn as the evaporimeter effect of freezing unit.
In addition, on two relative medial surfaces of the side wall surface of outer container 5, coiled heat release pipe 11,12 respectively as the condenser effect of freezing unit.
Disposed the mobile heat release pipe 18 of high temperature refrigerant of just having discharged below the guide rail 15A in framework 6 from compressor 20.
These pipes 10,11,12,18th, copper pipe is respectively by on the wall of the contour conductive metal band of aluminium attached to copper pipe.
The side wall surface of interior case 4 has a plurality of angle 4a along the coiling path of cooling tube 10, has the plane 4b (with reference to Fig. 3) that is formed between the 4a of these angles simultaneously.
Along the sectional view of the IA-IA line of Fig. 3, promptly shown in Fig. 4 (A), with part that planar section 4b contacts in, the side surface side of cooling tube 10 is the flattening shape, particularly, its cross sectional shape is to remove the oval such part elliptical shape of part along flat-cut.
Because the cross sectional shape of cooling tube 10 adopts such part elliptical shape, so cooling tube 10 is bigger than the prior art of circular cross-section with the contact area of interior case 4, thereby can improve heat exchanger effectiveness.
On the other hand, in the part that contacts with the angle 4a of interior case 4, the cross sectional shape of cooling tube 10 is defined as the contact of reaching the standard grade substantially with respect to the wall of interior case 4.
Along the sectional view of the IB-IB line of Fig. 3, promptly shown in Fig. 4 (B), with part that angle 4a contacts in, the cross sectional shape of cooling tube 10 is circular.
Because cooling tube 10 will be bent to a right angle on the angle, so do not roll over flatly, and use the material of cross section circle for cooling tube when carrying out bending machining, in addition, shown in Fig. 4 B, be essentially oval after adhering to.
In cooling tube 10 packed into when the case 4, use the common tube of cross section as circle, and make the part that is wound on the planar portions 4b flatten with wall be surface contact state, the part that contacts with angle 4a keeps circular cross-section, be wound into helical form in order, angle 4a, arbitrary part is fixed on cooling tube 10 on the interior case 4 with metal tape 3 among the planar portions 4b.
The type of flow of cold-producing medium is as follows.The high-temperature high-pressure refrigerant of discharging from the discharge pipe 20A of compressor 20 flows in the heat release pipe 18.
Flow into driers 21 by flow through in turn heat release pipe 11 backs of heat release pipe 12, front side of rear side of the cold-producing medium of heat release pipe 18.
The cold-producing medium that flows out drier 21 flows into cooling tube 10 by decompressor 27 capillaceous.The cold-producing medium of circulation flows into compressor 20 once more from suction line 20B in cooling tube 10.
The high temperature refrigerant heating guide rail 15A that flows in heat release pipe 18, the part of 15B prevents that lid 13,14 from freezing.
The cold-producing medium that flows through heat release pipe 18 is condensed into liquid at leisure, and supplies with decompressors 27 by drier 21 passing through outer container 5 in the heat release pipe 12,11 between flow periods to outside heat release.
In decompressor 27, the liquid refrigerant of HTHP is depressurized, and forms low-pressure, liquid refrigerant.This low-pressure, liquid refrigerant supplies in the cooling tube 10 from the outlet of decompressor 27, flows from top to bottom on cooling tube 10 inner edges evaporation limit, and the heat of drawing in the cooling chamber A by interior case 4 in flow process gasifies, thereby has cooled off cooling chamber A.
Like this, the refrigerant gas of evaporation and gasification by compressor 20 inspirations, becomes high-temperature high-pressure refrigerant gas from the lower end of cooling tube 10 once more, carries out above-mentioned freeze cycle repeatedly.
By constituting such refrigerating circuit (freezing unit), just the room temperature in cooling chamber (refrigerating chamber) A in the body of thermal insulating box 1 can be remained on-30 ℃～-20 ℃, can preserve freezing product such as ice cream.
As above-mentioned embodiment,,,, still can keep high heat exchange rate even metal tape 3 is not set by increasing contact area with respect to the cooling tube of interior case 4 so that cooling tube 10 is with respect to wall under the situation of cross sectional shape of face contact.
In directly engaging, cooling tube 10 under the situation of case 4, also can obtain enough constant intensities.Like this, in making 10 contacts of cooling tube, under the formation situation of case 4,, not necessarily the metal tape that illustrates in the foregoing description must be set even consider thermal conductivity and these two aspects of constant intensity, under the situation of not using metal tape, can improve the installation exercise efficient of cooling tube.
Fig. 5 (A), Fig. 5 (B) are the side views of the installation constitution of explanation cooling tube.
In the cooling device of current refrigerator etc., shown in Fig. 5 (B), cooling tube 10 is from the outer surface of winding start position S case 4 in be wound in a spiral in certain angle between the end position E.Arrow is a coiling direction among the figure.
But, shown in above-mentioned embodiment, on interior case 4, have under the situation of stage portion 4c, if will be consistent at stage portion 4c place by such winding part shown in Fig. 5 (B), it is very difficult using the auto reeling device to finish this coiling work.
, in the present embodiment, as shown in Figure 3, on the part of the stage portion 4c that mentions, change the winding angle of cooling tube 10 herein, like this, just can successfully finish coiling work with sutomatic winding machine.
In addition, in the formation of Fig. 5 (A), near the winding start position S and near the end position E, cooling tube 10 is basically with horizontal coil.
Shown in Fig. 5 (B), if the coiling inclination angle of cooling tube 10 keeps certain near starting position S or end position E, the zone of the cooling tube of then not reeling increases.Shown in Fig. 5 (A), in beginning, near the end position, under the situation of cooling tube 10 of flatly reeling, in the same range as of short transverse, under the situation of coiling cooling tube 10, compare with the situation of Fig. 5 (B), can prolong the coiling length of cooling tube, therefore, the contact area by case in increasing and cooling tube 10 can improve heat transfer rate.
The installation constitution of the cooling tube of the cooler of employing present embodiment can obtain following good effect.
At first, contact, can improve the cooling tube in this interval and the heat exchanger effectiveness of cooling chamber by making cooling tube be face with the wall of cooling chamber.
In the planar portions of wall, can improve heat exchanger effectiveness, on the angle, can guarantee the intensity of cooling tube.
Though in the cross section of face contact portion cooling tube is that part is oval, is circle in the part that contacts with line substantially, can use common circular tube, in the face contact portion, its flattening is formed.
By cooling tube and wall are directly adhered to, just can not use existing commonly used metal tape and fixing cooling tube, can improve operating efficiency.
Have at wall under the situation of step,, successfully reel with regard to available auto reeling device by changing the winding angle of the cooling tube on this stage portion.
By winding start position and end position cooling tube horizontal coil at cooling tube, increased the length on the case in cooling tube is wound up into, the contact area of cooling tube and interior case is increased, thereby can further improve heat exchanger effectiveness.In Fig. 5, can make H1＜H2, in addition, H diminishes better.
Below, illustrate that with reference to Fig. 6 cooling tube that the third embodiment of the present invention relates to is installed to the installation constitution on the cooling device.
The unitary construction of the cooling device of present embodiment and above-mentioned the first, and second embodiment's is identical,, no longer is repeated in this description the formation of cooling device herein.With first embodiment and the same or analogous parts of second embodiment with identical symbol.
Fig. 6 illustrates the decomposition diagram of the refrigerant loop of refrigerator cooling device, and is corresponding with Fig. 3.
The coiling structure of the cooling tube 10 of the 3rd embodiment then, is described.
The side wall surface of interior case 4 has a plurality of angles along the coiling path of cooling tube.
In this example, because interior case 4 one sides also have step, so at a side 4 places that step is arranged the angle is arranged, do not having have 2 places that the angle is arranged on the side of step, two amount to 6 places.In this example, as shown in Figure 6, on each angle at the angle pad 30 that passes through to have disposed on the position flattening amount that absorbs cooling tube 10 of each cooling tube 10.
Promptly on a side of step, 6 angle pads of each C1 place, angle configuration dispose 2 place angle pad at each C2 place, angle of step bottom on the top of step, do not have 8 angle pads of each C3 place, angle configuration of a side of step.Clipping angle pad 30 between cooling tube 10 and the wall is wound on the interior case 4.
As Fig. 7 (A), (B) shown in, angle pad 30 is the part cylindrical shape that cuts the cylinder part along bus, this part that cuts 31 is installed along the angle of interior case 4.Fig. 7 (A) is the plane from the angle of Fig. 6, and Fig. 7 (B) is the sectional drawing of the B-B line of Fig. 7 (A).
At this moment, be preferably on the lateral surface cylindraceous 32 of angle pad 30, shown in Fig. 7 (B),, form in a circumferential direction that cooling tube 10 embeds and the gathering sill 33 of its guiding along the coiling path of cooling tube 10.
Rubber-like material such as handy foamed styrene is made angle pad 30.
In cooling tube 10 is wound on the case 4 when, the attachment angle pad 30 in advance in each cooling tube coiling path, upper edge, angle of interior case 4 is in the gathering sill 33 that cooling tube 10 is aimed at these angle pads 30 is wound up into again on the case 4.By angle pad 30 is set, when coiling cooling tube 10, produce an active force towards the direction of flattening cooling tube 10 by the bight, this active force is absorbed by the distortion of angle pad 30, so being crushed can not appear in cooling tube itself or distortion such as bending.
By utilizing the gathering sill 33 on the angle pad 30, just can determine the relative position relation of cooling tube 10 and angle pad 30 easily, to compare with the situation that does not have gathering sill, the coiling operating efficiency obviously improves.
Aforesaid embodiment, pass through repeatedly on each angle at cooling tube, on the wall under the situation of several circles, also can replace with the following methods as described above by the position scheme of angle pad being set respectively, promptly cover a plurality of positions of passing through on each angle with a plurality of single angle pads by the such length in position with the cooling tube that strides across on each angle at each cooling tube.
That is, in above-mentioned example, there are 6, have 2,8 cooling tubes are arranged at angle C3 place, on these angles, use to cover all long angle pads by the position by the position at angle C2 place at angle C1 place.Like this, forming under the situation of angle pad with a global facility on each angle, can only on interior case, place an angle pad on each angle, so installation exercise is being more easy.
The refrigerator of present embodiment, the coiling structure of the cooling tube of the cooling device of refrigerating box is because of having above-mentioned formation, so have following good effect.
(1) owing on the angle of the wall of coiling cooling tube, the angle pad is set, the power that causes reasons such as cooling tube flattening and bending that acts on when therefore reeling cooling tube on the cooling tube can be absorbed by the angle pad, thereby can guarantee that cooling tube self can not be crushed or bend.
(2) in addition,, determine the position of cooling tube easily, compare that its coiling operating efficiency is higher with the situation of not establishing gathering sill with respect to the angle pad owing on the pad of angle, gathering sill is set.
(3) use under the situation of foamed styrene as the angle gasket material, because of the angle pad has suitable elasticity, so flattening or press-bending can prevent reliably that cooling tube from reeling the time.
(4) in addition, cover a plurality of positions of passing through on each angle, just the angle pad can only be installed one time on each bight of wall, so installation exercise is more easy with single angle pad.
Below, with reference to Fig. 8 and Fig. 9 the refrigerator of fourth embodiment of the invention, the fixture that temperature sensing tube is installed on the cooling device of refrigerating box etc. are described.
Fig. 8 illustrate present embodiment at refrigerator, the fixture of temperature sensing tube is installed on the cooling device of refrigerating box etc., wherein (A) is front view, (B) is the A-A line cross-section side view of figure (A).In addition, Fig. 9 is the sectional elevation of temperature sensing tube.
In the present embodiment, the whole formation of cooling device also is and the first, the second that the 3rd embodiment is identical, no longer is repeated in this description herein.Same or similar parts are with identical Reference numeral.In the following description, a structure and a fixture thereof to temperature sensing tube describe.
In Fig. 8, the 108th, the inner temperature sensing tube that inserts the outside by the cylindric temperature sensor 109 of lead 109A connection, this temperature sensing tube 108 is configured between the pipe of cooling with pipe 10.110 is two temperature sensing tube fixed parts, in being fixed on temperature sensing tube 110 from the both sides of this temperature sensing tube, these two fixed parts 110 contact on the case periphery and with its surface, this fixed part 110 is rectangular-shaped, forms two and make the downside cooling with the chimeric recess 31,32 of pipe 10 and temperature sensing tube 108 on the 110A of inner box side end.Temperature sensing tube fixed part 30 embeds the downsides cooling with in the pipe 10 with recess 31, contact the upside cooling with the vertical end 110B of interior case end 110A with pipe 10 and install and fix, and makes temperature sensing tube 108 closely contact the outer surfaces of interior case 4.
The manufacture method of body of thermal insulating box 1 is described here.At first, cooling is wound on the outer surface of case 4 in the metal system with pipe 10, closely is fixed on the interior case 4 with metal tape.Also utilizing cooling with pipe 10 temperature sensing tube 108 to be fixed on cooling with two fixed parts 30 uses between two pipes of pipe 10.The interior case that temperature sensing tube 108 has been installed is inserted in the outer container 5 filling foaming urethane between case 4 and the outer container 5 in this with certain interval.If after these foaming urethanes solidify to form heat-insulating material, body of thermal insulating box had just been made.
Temperature sensing tube fixed part 30 is installed in parallel cooling with between the pipe 10 with recess 31 and end 110B, because the curing of foaming urethane is fixed on the interior case 4 heat-insulating material 7 powerfully.Even being installed in cooling is fulcrum rotation with recess 31 with the temperature sensing tube fixed part 30 of pipe on 10 under the state that temperature sensing tube 108 has been installed, because end 110B contact cooling is with managing 10, also can stop it to rotate, deviating from when preventing from before heat-insulating material 7 foaming, to make.
The fixture of the temperature sensing tube of present embodiment is owing to above-mentioned formation has following effect:
Manufacturing operation efficient height.
Be installed to easily on the identical position, do not have individual difference, the reliability height.
Install easily and be difficult for deviating from.
Claims (10)
1. cooling device, this cooling device comprises cooling chamber and the cooling tube that holds article, cooling tube is wound on the periphery of the wall of this cooling chamber, it is characterized in that above-mentioned cooling tube its cross sectional shape in subregion at least should guarantee that being face with above-mentioned wall contacts.
2. cooling device according to claim 1, the cross sectional shape with in above-mentioned wall is the zone that face contacts that it is characterized in that above-mentioned cooling tube is the part elliptical shape that removes the part ellipse along flat-cut, and the cross sectional shape of the above-mentioned cooling tube of other contact area of above-mentioned wall is circular.
3. cooling device according to claim 1, it is characterized in that above-mentioned wall has along a plurality of angles in the coiling path of above-mentioned cooling tube and is formed on plane between the angle, the cross sectional shape of above-mentioned cooling tube with the zone of above-mentioned plane contact in be face with above-mentioned wall and contact, with the zone of above-mentioned angular contact in be essentially line and contact.
4. cooling device according to claim 3, the cross sectional shape of above-mentioned cooling tube that it is characterized in that the above-mentioned planar portions place of above-mentioned wall is the part elliptical shape that removes the part ellipse along flat-cut, and the cross sectional shape of the above-mentioned cooling tube on the above-mentioned angle of above-mentioned wall is circular.
5. cooling device according to claim 1 is characterized in that having disposed the angle pad that absorbs above-mentioned cooling tube flat pressure on above-mentioned a plurality of angles, across pad ground, above-mentioned angle above-mentioned cooling tube is wound on the above-mentioned wall.
6. cooling device according to claim 1 is characterized in that also having installed the temperature-sensitive cylindrical shell on the periphery of above-mentioned wall, the temperature sensor that detects the cooling chamber temperature inserts in this temperature-sensitive cylindrical shell.
7. cooling device according to claim 1, it is characterized in that above-mentioned cooling tube is wound on the periphery of above-mentioned wall a local configured in parallel ground multi-turn at least, between this parallel pipe, be provided with the rectangle fixed part, this fixed part is temperature sensing tube fixedly, and has and chimeric two recesses of a side of the cooling tube of configured in parallel and above-mentioned temperature sensing tube and the end that contacts with the opposing party of above-mentioned cooling tube.
8. the installation constitution of the cooling tube on the cooling device according to claim 1 is characterized in that above-mentioned cooling tube directly adheres to above-mentioned wall.
9. the installation constitution of the cooling tube on the cooling device according to claim 1, it is characterized in that above-mentioned cooling tube spirally multi-turn be wound on the periphery of above-mentioned wall the variable pitch of coiling.
10. the installation constitution of the cooling tube on the cooling device according to claim 1 is characterized in that the beginning winding part of above-mentioned cooling tube and coiling latter end are essentially horizontal.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26743497A JPH11108533A (en) | 1997-09-30 | 1997-09-30 | Cooling pipe fixing structure of cooling unit in freezer, refrigerator, or the like |
| JP26743397A JPH11108532A (en) | 1997-09-30 | 1997-09-30 | Cooling pipe winding structure for cooling unit including freezer and refrigerator |
| JP267435/97 | 1997-09-30 | ||
| JP26743597A JPH11108552A (en) | 1997-09-30 | 1997-09-30 | Device for fixing thermally sensitive cylinder in freezer or refrigerator |
| JP267435/1997 | 1997-09-30 | ||
| JP267434/97 | 1997-09-30 | ||
| JP267434/1997 | 1997-09-30 | ||
| JP267433/1997 | 1997-09-30 | ||
| JP267433/97 | 1997-09-30 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03128514 Division CN1266436C (en) | 1997-09-30 | 1998-09-30 | Cooling appts. wound with cooling coil, its mounting structure and fixer for same |
| CN 03128512 Division CN1260539C (en) | 1997-09-30 | 1998-09-30 | Cooling appts. wound with cooling coil, its mounting structure and fixer for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1233733A CN1233733A (en) | 1999-11-03 |
| CN1138113C true CN1138113C (en) | 2004-02-11 |
Family
ID=27335556
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03128514 Expired - Fee Related CN1266436C (en) | 1997-09-30 | 1998-09-30 | Cooling appts. wound with cooling coil, its mounting structure and fixer for same |
| CN 03128512 Expired - Fee Related CN1260539C (en) | 1997-09-30 | 1998-09-30 | Cooling appts. wound with cooling coil, its mounting structure and fixer for same |
| CNB981231284A Expired - Lifetime CN1138113C (en) | 1997-09-30 | 1998-09-30 | Cooling equipment with wound cooling tube, erection structure thereof and fixing apparatus therewith |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03128514 Expired - Fee Related CN1266436C (en) | 1997-09-30 | 1998-09-30 | Cooling appts. wound with cooling coil, its mounting structure and fixer for same |
| CN 03128512 Expired - Fee Related CN1260539C (en) | 1997-09-30 | 1998-09-30 | Cooling appts. wound with cooling coil, its mounting structure and fixer for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN1266436C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008044215A1 (en) * | 2008-12-01 | 2010-06-02 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigeration device and Lagepositionierungselement for a long-stretched component |
| TW201239291A (en) * | 2011-03-23 | 2012-10-01 | Shui-Tong Jiang | Water heater tank |
| JP5509160B2 (en) * | 2011-08-01 | 2014-06-04 | シャープ株式会社 | Temperature sensor mounting structure of air conditioner |
| CN103047815B (en) * | 2012-12-11 | 2015-07-15 | 合肥美的电冰箱有限公司 | Refrigeration equipment and liner system and manufacturing method thereof |
| CN104501514A (en) * | 2014-12-23 | 2015-04-08 | 合肥美的电冰箱有限公司 | Refrigerator and false beam thereof |
| CN104482709B (en) * | 2014-12-23 | 2017-01-25 | 合肥华凌股份有限公司 | Liner protection angle structure and pipe winding method of freezer liner |
| CN107436070A (en) * | 2017-09-25 | 2017-12-05 | 苏州市友坤精密机械有限公司 | A kind of assembling coil pipe being easily installed |
| CN109695974A (en) * | 2017-10-23 | 2019-04-30 | 合肥华凌股份有限公司 | Refrigeration equipment and its heat-conducting piece |
-
1998
- 1998-09-30 CN CN 03128514 patent/CN1266436C/en not_active Expired - Fee Related
- 1998-09-30 CN CN 03128512 patent/CN1260539C/en not_active Expired - Fee Related
- 1998-09-30 CN CNB981231284A patent/CN1138113C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1260539C (en) | 2006-06-21 |
| CN1266436C (en) | 2006-07-26 |
| CN1480700A (en) | 2004-03-10 |
| CN1233733A (en) | 1999-11-03 |
| CN1480699A (en) | 2004-03-10 |
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Owner name: QINGDAO HAIER CO., LTD. Effective date: 20120926 Owner name: HAIER GROUP COMPANY Free format text: FORMER OWNER: SANYO ELECTRIC CO., LTD. Effective date: 20120926 |
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Effective date of registration: 20120926 Address after: 266101 Haier Road (Haier Industrial Park), Qingdao hi tech Industrial Park, Shandong Province Patentee after: haier group corporation Patentee after: Qingdao Hair Co., Ltd. Address before: Osaka Japan Patentee before: Sanyo Electric Co., Ltd. |
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