CN207716696U - A kind of hold-over plate - Google Patents

Abstract

The utility model discloses a kind of hold-over plates, include mainly ontology, and ontology is equipped with circulation condensation structure, and ontology is equipped with handgrips at top, and ontology is equipped with water filling pore structure at lower part.The utility model provides the hold-over plate of high amount of latent heat, improve the energy transfer efficiency of hold-over plate, solve the problems, such as that condensation is dripped, optimization design handle and water filling pore structure, improve the intensity and service life of hold-over plate, temperature field and the velocity field for improving air-supply fluid field, improve the use popularity rate of hold-over plate.

Description

A kind of hold-over plate

Technical field

The utility model is related to refrigeration structures, and in particular to a kind of hold-over plate.

Background technology

Cold-storage harden structure not trepanning at present or fluting, or seldom trepanning or fluting, only from the angle of free convection heat transfer The structure of design hold-over plate causes heat exchange efficiency low not from forced-convection heat transfer angle design structure, heat exchange area very little, from Liquid is long to solid freeze-off time, in hot-air heat transfer process exist condensation dripping phenomenon.The hold-over plate of the prior art The bathtub construction handle of non-hommization, it has not been convenient to fetch and not aspect.The water injection hole of existing hold-over plate is concordant with end plate, for a long time After use, the end cap easily friction of water injection hole is impaired, and cold-storage material is caused to leak.The prior art is small using cold-storage agent solution amount of latent heat, Poor refrigerating efficiency limits the popularity rate of hold-over plate.

Utility model content

In view of the above problems, the utility model proposes a kind of hold-over plate, the hold-over plate of high amount of latent heat is provided, improves hold-over plate Energy transfer efficiency, solve the problems, such as condensation drip.

What the technical solution of the utility model was realized in：This hold-over plate, includes mainly ontology, and ontology is equipped with stream Logical condensation structure, ontology are equipped with handgrips at top, and ontology is equipped with water filling pore structure at lower part.

Further, the circulation condensation structure is honeycomb, the hole group that honeycomb is distributed by several rules At.

Further, several described holes are that fork row is staggered or in-line arrangement is arranged.

Further, the circulation condensation structure is trench structure, the slot group that trench structure is distributed by several rules At.

Further, several described slots are that fork row is staggered or in-line arrangement is arranged.

Further, the slot is transversely arranged or vertical array.

Further, the top and bottom of the handgrips are designed with groove.

Further, the water filling pore structure includes water injection hole and arcuate structure, and the shape of arcuate structure is similar to ladder The end cap of shape structure, water injection hole is sealed using ultrasonic bonding.

Further, the cold-storage material of the hold-over plate body interior is mainly made of inorganic salts and deionized water solution.

Further, the surface of the hold-over plate ontology is equipped with decorative pattern, and the depth of decorative pattern is 0.2mm-2mm.

The beneficial effects of the utility model：

(1), the ontology of hold-over plate is equipped with circulation condensation structure, when air is by circulation condensation structure, efficient fast speed belt The cold in hold-over plate is walked, enhanced heat exchange improves heat exchange efficiency.

(2), the circulation condensation structure is honeycomb or trench structure so that temperature field and velocity field are more uniform, Condensed water is not generated, solves condensing water droplet water problems, hold-over plate chilling rate is fast.

(3), the top and bottom of the handgrips are designed with groove, and the mounting means of hold-over plate is drawing structure, this structure It easily fetches, is easily installed dismantling, improve handgrips intensity and heat exchange efficiency, improve convenience.

(4), the water filling pore structure includes water injection hole and arcuate structure, and the shape of arcuate structure is similar to trapezium structure, The end cap of water injection hole is sealed using ultrasonic bonding, and rational structure space design reduces the influence in bottom vortex dead zone, improves The heat exchange efficiency of bottom hold-over plate solves the problems, such as local coagulation's water.

(5), the cold-storage material of the hold-over plate body interior is mainly made of inorganic salts and deionized water solution, high amount of latent heat Hold-over plate can bring lasting cooling, improve user experience.Solidification point is easy to freeze and use at -10 DEG C.

(6), the surface of the hold-over plate ontology is equipped with the decorative pattern of certain depth, and the effect of decorative pattern is to increase water droplet flowing resistance Power improves the adhesive force of water droplet and hold-over plate using capillarity principle so that condensing water droplet is not gathered, and does not drip.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of water filling pore structure.

Fig. 3 is the structural schematic diagram of honeycomb.

Fig. 4 is the structural schematic diagram of trench structure.

Fig. 5 is the positive structure schematic of handgrips.

The overlooking structure diagram of the positions Fig. 6 handgrips.

In figure：Handgrips 1, circulate condensation structure 2, water filling pore structure 3, hole 4, groove 5, slot 6, water injection hole 7, arc knot Structure 8.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Embodiment 1：This hold-over plate includes mainly ontology, and ontology is equipped with circulation condensation structure 2, and ontology is close to top Place is equipped with handgrips 1, and ontology is equipped with water filling pore structure 3 at lower part.When stream of hot air is through handgrips 1, circulation condensation Structure 2 and water filling pore structure 3 are open so that hot-air obtains higher heat exchange efficiency with hold-over plate, reduces air themperature.Cold-storage Plate uses food-grade PE materials, the surface of structure size 245mmX145mmX35mm, hold-over plate ontology to be equipped with certain depth Fine pattern, the depth of decorative pattern is 1mm, and the depth of decorative pattern is also to be applicable within the scope of 0.2mm-2mm, and the effect of decorative pattern is to increase Adding water droplet flow resistance, the adhesive force of water droplet and hold-over plate is improved using capillarity principle so that condensing water droplet is not gathered, It does not drip..

Embodiment 2：On the basis of embodiment 1, the circulation condensation structure 2 is honeycomb, and honeycomb is by several The hole 4 of a rule distribution forms.Several holes 4 are that fork row is staggered or in-line arrangement is arranged.The advantage of honeycomb is efficient Accumulation of heat and heat exchange.The d1mm that the central bore diameter of honeycomb is, outer aperture are d2mm, and the level interval of Kong Yukong is L Mm, vertical interval are H mm, and the last layer hole heart is away from next layer of the adjacent holes heart away from being W mm.By the hole 4 to honeycomb into Row fork row is staggered or in-line arrangement is arranged, and enhances the microturbulence of fluid field, improves the heat exchange efficiency of air and hold-over plate, Fork row is staggered, within the scope of H=0.7L~1.2L, W=0.1L~0.6L, L=1.5d1~5d1, in-line arrangement arrangement, i.e. and W= Then it is in-line arrangement structure, within the scope of H=0.7L~1.2L, L=20~50mm when 0.In d2=1.2d1~2d2, d1=5mm~ Within the scope of 50mm, the ratio of exit orifice and endoporus is rationally designed, increase the heat exchange area of air and hold-over plate and is further enhanced Small scale turbulent condition improves air inlet wind speed, shortens hot-air time interval in honeycomb, and it is empty with heat to increase hold-over plate The heat exchange amount of gas solves the problems, such as that the condensed water of hold-over plate and hot-air drips.

Embodiment 3：On the basis of embodiment 1, the circulation condensation structure 2 is trench structure, and trench structure is by several The slot 6 of a rule distribution forms.Several slots 6 are that fork row is staggered or in-line arrangement is arranged.The same honeycomb of principle of trench structure Structure, the rounded jet-like of outlet air of honeycomb, the outlet air of trench structure are in bar shaped jet-like, and the length U=2I of slot 6~ 10I, I=5~30mm, rational trench structure are conducive to the VELOCITY DISTRIBUTION in fluid field, improve heat exchange efficiency.Slot 6 is not limited to It is horizontally-arranged, can also be vertical setting of types, in the case where being disposed vertically, horizontally-arranged heat exchange efficiency is higher than vertical setting of types.Arrangement mode with time slot 6 is also classified into In-line arrangement and fork row's two ways, the horizontal distance that through-hole is closed on upper layer with lower layer are W1, are that in-line arrangement formula is arranged evenly in W1=U, In W=0.1U~0.5U, arranged evenly for fork row's formula, the arrangement mode for the row of pitching is more advantageous to the turbulent condition for causing fluid field.

Embodiment 4：On the basis of embodiment 2 or 3, the top and bottom of the handgrips 1 are designed with groove 5.Arc knot The handgrips 1 of structure, advantage are that user is facilitated to fetch, and are easily installed and dismantle, in hot-air when flowing through hold-over plate handle, Vortex dead zone is generated, causes to exchange heat unsmooth, is also easy to produce condensed water, if the space of groove 5 is larger, causes the short of fluid field at this The air amount of flowing through on road, other regions is smaller, causes the whole thermal efficiency relatively low and condensation is dripped, as h3=3~10mm；h5 =0.5h4~0.8h4；Within the scope of h4=40~200mm, handgrips 1 not only increases only heat exchange area, also reduces simultaneously Fluid boundary layer improves flowing velocity, reduces the vortex dead zone in handle region, solves the problems, such as that condensed water drips.Together When ensure that in blow-molding process, the material quantity of handle position and the structural strength for increasing handle.The length U=30 of groove 5~ 60mm, the diameter I of groove 5, within the scope of I=10-50mm, hold-over plate is inserted and grasped to groove 5 convenient for stretching for finger, while Moving air and hold-over plate contact area are increased, improves velocity field and the temperature field of air flowing, improves air and hold-over plate Heat exchange amount.

Embodiment 5：On the basis of embodiment 4, the water filling pore structure 3 includes water injection hole 7 and arcuate structure 8, arc The shape of structure 8 is similar to trapezium structure, and greatly convenient for the welding of water injection hole, 7 height of water injection hole is the upper opening of arcuate structure 8 H2,3 height of water filling pore structure are h1, and special designing is that 7 height h2 of water injection hole is less than 3 structure height h1 of water injection hole knot, 1~3mm In the range of, this implementation uses 2mm structure drops, the too small positioning for being unfavorable for technology controlling and process and equipment of drop, the too big work of drop Skill difficulty is big and water injection hole structure height h1 is larger, is affected to fluid field, this implementation is solved because long-term pull is to water filling The damage in hole 4, therefore the end cap seal of water injection hole 7 uses ultrasonic bonding, prior art weld to go out head cover and connect for a long time with end plate It touches and squeezes, cause hold-over plate leakage, do not utilize the long-time service of hold-over plate.Hot-air is when flowing through hold-over plate bottom simultaneously, production Raw vortex dead zone, causes to exchange heat unsmooth, is also easy to produce condensed water, if the space of water structure 3 is larger, cause fluid field at this The air amount of flowing through of short circuit, other regions is smaller, causes the whole thermal efficiency relatively low and condensation is dripped, this implementation is reasonably set Water filling pore structure 7 is counted, the opening width of structure upper is D mm, and structure bottom opening width is d mm, in d=0.5~0.85, The range of D=10~100mm, the range of h2=5~25mm are conducive to reduce vortex dead zone and improve fluid field.This implementation is noted The design parameter of outlet hole structure 3 is D=20mm, d=15mm, h2=10mm, and water filling pore structure 3 not only increases only heat-transfer surface Product, while fluid boundary layer is also reduced, flowing velocity is improved, the vortex dead zone of hold-over plate bottom section is reduced, is improved The energy utilization rate of hold-over plate solves the problems, such as that condensed water drips..

Embodiment 6：On the basis of embodiment 5, the solidification point of hold-over plate is at 10 DEG C~15 DEG C, the hold-over plate ontology Internal cold-storage material is mainly made of inorganic salts and deionized water solution, and component ratio accounts for 90% or more, according to solution phase transformation Principle, increasing sodium chloride composition ratio reduces the solidification point of water, by increasing sodium tetraborate, polyvinyl alcohol 3 and dodecyl Sodium sulfonate equal solvent further increases the preceding heat of cold-storage material to enhance the viscosity and emulsifying effectiveness of solution.The cold-storage material at present Amount of latent heat up to 275j/g.

The formula of the hold-over plate cold-storage material of this implementation is as follows：

Ingredient	Sodium chloride	Deionized water	Ammonium chloride	Sodium tetraborate	Dodecyl sodium sulfate	Polyvinyl alcohol
							Ratio	14%	78%	3%	1%	1%	3%

This example is not limited solely to above-mentioned formula, and sodium chloride accounts for the 4%~18% of total ingredient, deionized water 72~88% Total ingredient is accounted for, ammonium chloride 1~3%, dodecyl sodium sulfate 1%, sodium tetraborate 1~3%, polyvinyl alcohol 2~4% can Obtain relatively high amount of latent heat.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (9)

1. a kind of hold-over plate includes mainly ontology, it is characterised in that：Ontology is equipped with circulation condensation structure（2）, ontology is close to upper Handgrips is equipped at portion（1）, ontology is at lower part equipped with water filling pore structure（3）；The circulation condensation structure（2）For honeycomb Structure, the hole that honeycomb is distributed by several rules（4）Composition.

2. hold-over plate according to claim 1, it is characterised in that：Several described holes（4）For fork row it is staggered or In-line arrangement is arranged.

3. hold-over plate according to claim 1, it is characterised in that：The circulation condensation structure（2）For trench structure, groove profile The slot that structure is distributed by several rules（6）Composition.

4. hold-over plate according to claim 3, it is characterised in that：Several described slots（6）For fork row it is staggered or In-line arrangement is arranged.

5. hold-over plate according to claim 3 or 4, it is characterised in that：The slot（6）For transversely arranged or vertical array.

6. hold-over plate according to claim 1, it is characterised in that：The handgrips（1）Top and bottom be designed with groove （5）.

7. hold-over plate according to claim 1, it is characterised in that：The water filling pore structure（3）Including water injection hole（7）And arc Shape structure（8）, arcuate structure（8）Shape be similar to trapezium structure, water injection hole（7）End cap using ultrasonic bonding seal.

8. hold-over plate according to claim 1, it is characterised in that：The cold-storage material of the hold-over plate body interior is mainly by nothing Machine salt and deionized water solution composition.

9. the hold-over plate according to claim 1 or 8, it is characterised in that：The surface of the hold-over plate ontology is equipped with decorative pattern, flower The depth of line is 0.2mm-2mm.