CN209819936U - Novel cold accumulation type evaporator - Google Patents
Novel cold accumulation type evaporator Download PDFInfo
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- CN209819936U CN209819936U CN201920305252.3U CN201920305252U CN209819936U CN 209819936 U CN209819936 U CN 209819936U CN 201920305252 U CN201920305252 U CN 201920305252U CN 209819936 U CN209819936 U CN 209819936U
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- evaporation pipeline
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Abstract
The utility model discloses a novel cold-storage evaporator, including evaporation pipeline and cold-storage board, the cold-storage board comprises honeycomb infill panel, sealed flat board and cold-storage material, and the evaporation pipeline closely laminates in one side of honeycomb infill panel, and the opposite side of honeycomb infill panel closely pressfitting with sealed flat board, and cold-storage material evenly fills in the inside honeycomb holes of honeycomb infill panel, and the binding face between honeycomb infill panel and the sealed flat board is the heat-transfer surface. The utility model fills solid phase change cold storage material in the cold storage plate, which can enhance the strength of the cold storage plate and reduce the temperature gradient of the cold storage plate; the problem of untight contact between the evaporation pipeline and the cold accumulation plate due to phase change is solved; the evaporation pipeline is combined with the cold accumulation plate, the cold energy of the evaporation pipeline is indirectly released into the heat exchange space, the heat resistance of the heat preservation box is increased by utilizing the cold accumulation characteristic of the cold accumulation plate, and the temperature control precision and the temperature uniformity of the heat preservation box are improved; the phase transition temperature is adjustable, and the flexibility is high.
Description
Technical Field
The utility model relates to an evaporator equipment technical field especially relates to a novel cold-storage evaporator.
Background
The refrigeration cycle mainly comprises four major components: the compressor, the evaporator, the condenser and the throttling device are used for cooling and controlling the temperature of the heat preservation box body, wherein the evaporator and the condenser are heat exchange parts, and the evaporator is used as a refrigeration part to exchange heat with a refrigeration space.
The traditional evaporator form has fin tubular, plate tubular etc. and the evaporimeter is all direct to carry out the heat transfer cooling to the refrigerated space, and this kind of heat transfer mode mainly has following several disadvantages: 1. when the refrigerant is evaporated in the evaporation pipeline, the obvious temperature difference exists on the evaporation pipeline due to the existence of pipeline resistance, and the accuracy of temperature control is influenced; 2. for equipment for controlling temperature through start-stop, an evaporation pipeline is simply used as a heat exchanger, when a compressor stops, residual cold quantity exists on the evaporation pipeline, the part of cold quantity can be directly released into a box, the temperature inertia of the heat-preservation box can be increased, namely, when the compressor stops, the temperature can continuously drift downwards, after the cold quantity is released, the box temperature can rapidly rise, the influence of the evaporation side on the thermal resistance coefficient of the heat-preservation box body is very small, the time constant of the heat-preservation box body is smaller, the stop time is shorter, and the temperature control precision can be influenced.
SUMMERY OF THE UTILITY MODEL
For the evaporation line temperature difference who solves existence among the current evaporimeter, the technical problem that the control by temperature change precision is low, the utility model discloses a novel cold-storage evaporator.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel cold-storage evaporator, includes evaporation pipeline and cold-storage board, the cold-storage board comprises honeycomb infill panel, sealed flat board and cold-storage material, the close laminating of evaporation pipeline fits one side of honeycomb infill panel, the opposite side of honeycomb infill panel with the inseparable pressfitting of sealed flat board, cold-storage material evenly fill in the inside honeycomb holes of honeycomb infill panel, the binding face between honeycomb infill panel and the sealed flat board is the heat-transfer surface.
The technical scheme of the utility model still include, cold-storage material chooses for use solid phase transition cold-storage material.
The technical scheme of the utility model still include, solid phase transition cold-storage material is filled in the inside honeycomb holes of honeycomb infill panel.
The technical scheme of the utility model still include, evaporation pipeline evenly lays in the honeycomb infill panel on the surface.
The technical scheme of the utility model still include, set up flutedly on one side of honeycomb infill panel, the evaporation pipeline evenly lays in the recess.
The technical scheme of the utility model still include, D type pipe is chooseed for use to the evaporation pipeline.
Preferably, the honeycomb filling plate and the sealing flat plate are both made of metal heat conducting materials.
The utility model has the advantages that,
1. the cold storage plate adopts a honeycomb filling plate with a honeycomb structure, so that the strength of the cold storage plate can be enhanced, and the transverse and longitudinal temperature gradients of the cold storage plate are reduced;
2. the cold storage material is a solid phase change cold storage material which does not deform in the phase change process, so that the problem of untight contact between the evaporation pipeline and the cold storage plate due to phase change is solved;
3. the evaporation pipeline is combined with the cold accumulation plate, the cold energy of the evaporation pipeline is indirectly released into the heat exchange space, the heat resistance of the heat preservation box is increased by utilizing the cold accumulation characteristic of the cold accumulation plate, and the temperature control precision and the temperature uniformity of the heat preservation box are improved;
4. the phase change temperature of the cold accumulation type evaporator is adjustable and is determined according to actual requirements, and the flexibility is high;
5. the honeycomb filling plate and the sealing plate are made of metal materials, the honeycomb structure is filled with solid phase change cold storage materials, the connection strength of the cold storage plate is enhanced, the uniformity of a temperature field on a heat exchange surface of the cold storage plate can be improved, the temperature gradient on the heat exchange surface is smaller, and the heat conduction capability and the strength of the cold storage plate are enhanced.
Drawings
FIG. 1 is an exploded view of the embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 3 is a side view of the structure of FIG. 2;
fig. 4 is a schematic structural diagram of embodiment 2.
Wherein, 1, an evaporation pipeline; 2. a cold accumulation plate; 3. a honeycomb infill panel; 4. sealing the flat plate; 5. a heat exchange surface; 6-groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, a novel cold storage evaporator comprises an evaporation pipeline 1 and a cold storage plate 2, wherein the cold storage plate 2 is composed of a honeycomb filling plate 3, a sealing plate 4 and a cold storage material, the evaporation pipeline 1 is tightly attached to one side of the honeycomb filling plate 3, the other side of the honeycomb filling plate 3 is tightly pressed with the sealing plate 4, the evaporation pipeline 1 is only attached to one side surface of the cold storage plate 2, so that the cold storage evaporator can only release the cold of the evaporation pipeline 1 to a required space through a heat exchange surface, and the evaporation pipeline 1 does not directly contact with the heat exchange surface for heat exchange, so that the heat exchange efficiency of the evaporation pipeline 1 and the cold storage plate 2 is higher; the cold storage material is uniformly filled in honeycomb holes in the honeycomb filling plate 3, and the binding surface between the honeycomb filling plate 3 and the sealing flat plate 4 is a heat exchange surface 5.
Particularly, the cold storage material is a solid phase change cold storage material, while the traditional cold storage and heat insulation material uses a liquid substance which can deform in the phase change process, so that the thermal contact resistance between the evaporation pipeline 1 and the cold storage plate 2 is increased, and the heat exchange effect is influenced; in the manufacture process, pack solid phase transition cold-storage material in 3 to the honeycomb infill panel of cold-storage panel 2, then with sealed flat board 4 with 3 pressfittings of honeycomb infill panel, cold-storage panel 2 of making does not have when having the phase transition and warp, high strength, surface temperature gradient advantage such as little, pack solid phase transition cold-storage material in the honeycomb infill panel 3, the problem of the volume change that traditional liquid phase transition material phase transition in-process appears has been eliminated, cold-storage panel 2's deformation has been avoided, the evaporation pipeline 1 that appears because of the phase transition has been solved, the untight problem of contact between the cold-storage panel 2.
Particularly, the evaporation pipeline 1 is uniformly distributed on the surface of the honeycomb filling plate 3 by adopting a snake-shaped structure, as shown in fig. 2, the distribution form of the evaporation pipeline 1 is adjustable, such as a rectangular structure, a circular structure and the like.
Particularly, the evaporation pipeline 1 is a D-shaped pipe, and the contact area between the evaporation pipeline 1 and the cold storage plate 2 can be increased by using the D-shaped pipe relative to a round pipe, so that the heat exchange efficiency between the evaporation pipeline 1 and the cold storage plate 2 is improved.
Particularly, the honeycomb filling plate 3 and the sealing flat plate 4 are made of metal heat conducting materials, so that the temperature uniformity of the whole cold storage plate 2 is improved.
The utility model discloses when the practical application is in refrigerating system, the cold volume that evaporation pipeline 1 was prepared is not direct to carry out the contact heat transfer with the insulation can, but earlier release cold-storage board 2 with cold volume, the heat transfer surface through cold-storage board 2 gives the insulation can cooling, the phase transition temperature of cold-storage board 2 is adjustable according to the actual need of insulation can, at the refrigeration in-process, the cold volume of evaporation pipeline 1 at first gives cold-storage board 2 cooling, because the honeycomb of cold-storage board 2 and the heat conductivity of solid phase transition cold-storage material, make the temperature gradient on the heat transfer surface of cold-storage board 2 than the simple temperature gradient that uses evaporation pipeline 1 as the heat transfer surface littleer, the temperature homogeneity in the insulation can be better like.
For the equipment for controlling the temperature by starting and stopping, the evaporation pipeline 1 is simply used as a heat exchanger, when the compressor is stopped, the residual cold quantity is still on the evaporation pipeline 1, the part of the cold quantity can be directly released into the box, the temperature inertia of the insulation box can be increased, namely, when the compressor is stopped, the temperature can continuously drift downwards, after the residual cold quantity is released, the box temperature can rapidly rise, and the cold storage type evaporator of the utility model is used, after the compressor is stopped, the cold quantity of the evaporation pipeline 1 is not directly released into the insulation box, but is indirectly released into the box through the cold storage plate 2, and the temperature on the evaporation pipeline 1 is in the phase change interval of the cold storage plate 2 when the compressor is stopped by adjusting the phase change temperature of the cold storage plate 2, so that the influence of the refrigeration inertia on the box temperature can be reduced, and the temperature control is easier; meanwhile, the cold accumulation plate 2 stores partial cold energy when the compressor is stopped, so that the thermal resistance coefficient of the heat insulation box is improved, the uniformity of a temperature field on a heat exchange surface is improved, the inherent time constant of the heat insulation box is increased, the stop time is delayed, the temperature control precision and the temperature uniformity of the heat insulation box are improved, the start-stop frequency of the compressor is reduced, and the service life of the compressor is prolonged.
To sum up, compared with the traditional evaporator, the utility model has the advantages that the cold energy of the evaporation pipeline 1 can be conducted to the heat exchange space only through the cold storage plate 2, and the cold storage plate 2 is filled with the solid phase change cold storage material, so the surface temperature field of the cold storage plate 2 is more uniform compared with the temperature field of the evaporation pipeline 1 which is only used, and the temperature control of the heat exchange space is easier; for equipment for controlling the temperature of the box through starting and stopping, the cold storage material can also improve the thermal resistance coefficient of the refrigeration equipment, prolong the stopping time and prolong the service life of the compressor when the equipment is stopped.
Example 2
The difference from the embodiment 1 is that: still seted up recess 6 on one side of honeycomb infill panel 3, as shown in fig. 4, evaporation pipeline 1 evenly lays in recess 6, and fluting 6 and use D type pipe homoenergetic increase evaporation pipeline 1 and cold-storage plate 2's area of contact on the cold-storage plate 2, improve heat exchange efficiency.
In this embodiment, the evaporation pipeline 1 is embedded into the groove of the honeycomb filling plate 3, so that the heat exchange area between the evaporation pipeline 1 and the cold storage plate 2 can be increased, and the heat exchange efficiency of the evaporation pipeline 1 and the cold storage plate 2 is improved.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel cold-storage evaporator, its characterized in that, includes evaporation pipeline and cold-storage board, the cold-storage board comprises honeycomb infill panel, sealed flat board and cold-storage material, the close laminating of evaporation pipeline fits one side of honeycomb infill panel, the opposite side of honeycomb infill panel with the inseparable pressfitting of sealed flat board, cold-storage material evenly fill in the inside honeycomb holes of honeycomb infill panel, the binding face between honeycomb infill panel and the sealed flat board is the heat-transfer surface.
2. A novel cold storage evaporator as claimed in claim 1, wherein the cold storage material is solid phase change cold storage material.
3. A novel cold storage evaporator as claimed in claim 1, wherein the solid phase change cold storage material is filled in the honeycomb holes inside the honeycomb filling plate.
4. A novel cold-storage evaporator as claimed in claim 3, wherein the evaporation lines are uniformly distributed on the surface of the honeycomb filling plate.
5. A novel cold-storage evaporator as claimed in claim 3, wherein one side of the honeycomb-filled plate is provided with a groove, and the evaporation pipelines are uniformly distributed in the groove.
6. A novel cold storage evaporator as claimed in claim 4 wherein the evaporation pipeline is D-shaped.
7. A novel cold-storage evaporator as claimed in claim 1, wherein the honeycomb filling plate and the sealing flat plate are made of metal heat-conducting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305252.3U CN209819936U (en) | 2019-03-12 | 2019-03-12 | Novel cold accumulation type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305252.3U CN209819936U (en) | 2019-03-12 | 2019-03-12 | Novel cold accumulation type evaporator |
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| Publication Number | Publication Date |
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| CN209819936U true CN209819936U (en) | 2019-12-20 |
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| CN201920305252.3U Active CN209819936U (en) | 2019-03-12 | 2019-03-12 | Novel cold accumulation type evaporator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900022A (en) * | 2019-03-12 | 2019-06-18 | 青岛澳柯玛超低温冷冻设备有限公司 | A kind of cold storage evaporator |
-
2019
- 2019-03-12 CN CN201920305252.3U patent/CN209819936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900022A (en) * | 2019-03-12 | 2019-06-18 | 青岛澳柯玛超低温冷冻设备有限公司 | A kind of cold storage evaporator |
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Address after: No. 315, qianwangang Road, economic and Technological Development Zone, Huangdao District, Qingdao City, Shandong Province 266510 Patentee after: Qingdao Aucma biomedical Co.,Ltd. Address before: No. 315, qianwangang Road, economic and Technological Development Zone, Huangdao District, Qingdao City, Shandong Province 266510 Patentee before: QINGDAO AUCMA ULTRA LOW TEMPERATURE FREEZING MACHINES Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |