Phase change material packaging module

Abstract

The invention provides a phase-change material packaging module which comprises a water chilling unit, a phase-change material cold storage box, a hot water tank, a cold storage circulating pipeline assembly and a cold discharge circulating pipeline assembly, a heat exchange pipe is arranged in the phase-change material cold storage box, and a phase-change material is arranged in the heat exchange pipe; the cold storage circulating pipeline assembly is connected with the water chilling unit and the phase change material cold storage box in a circulating mode and communicates with the water chilling unit and the phase change material cold storage box for heat exchange and cold storage when cold storage is needed, and the cold discharge circulating pipeline assembly is connected with the hot water tank and the phase change material cold storage box. And when cold release is needed, the hot water tank and the phase change material cold storage box are communicated for cold release. The device has the advantages of being convenient to disassemble, assemble and transport, reducing equipment occupied space, improving cold storage efficiency and the like.

Description

Technical Field

[0001] The invention relates to the field of heat exchange equipment, and in particular to a phase change material packaging module. Background Art

[0002] At present, the mainstream cold storage methods in the market are ice storage or water storage. Due to the physical properties of the material itself, most cold storage devices cannot overcome the low efficiency of cold storage ice, that is, incomplete cold storage or cooling; the capacity of water storage is low, that is, the cold storage device occupies a large volume. Therefore, it cannot well meet the cold storage needs of customers in different scenarios.

[0003] Therefore, it is necessary to provide a new technical solution. Summary of the invention

[0004] In order to solve the technical problems existing in the prior art, the present invention discloses a phase change material packaging module, and the specific technical solution is as follows:

[0005] The present invention provides a phase change material packaging module, comprising a chiller, a phase change material cold storage box, a hot water tank, a cold storage circulation pipeline assembly and a cooling circulation pipeline assembly, wherein a heat exchange tube is arranged in the phase change material cold storage box, and a phase change material is arranged in the heat exchange tube.

[0006] The cold storage circulation pipeline assembly circulates to connect the water chiller and the phase change material cold storage tank, and connects the water chiller and the phase change material cold storage tank to perform heat exchange and cold storage when cold storage is required.

[0007] The cooling circulation pipeline assembly connects the hot water tank and the phase change material cold storage tank, and connects the hot water tank and the phase change material cold storage tank for cooling when cooling is required.

[0008] Furthermore, the cold storage circulation pipeline assembly includes a first connecting pipe, a second connecting pipe, a first electric valve, a second electric valve and a flow meter.

[0009] The first connecting pipe is connected to the water outlet of the chiller and the water inlet of the phase change material cold storage tank respectively.

[0010] The second connecting pipe is connected to the water inlet of the chiller and the water outlet of the phase change material cold storage tank respectively.

[0011] The flow meter is arranged on the second connecting pipe,

[0012] The first electric valve is disposed between the flow meter and the phase change material cold storage tank.

[0013] The second electric valve is arranged between the flow meter and the chiller.

[0014] Furthermore, the cooling circulation pipeline assembly includes a third connecting pipe, a fourth connecting pipe, a third electric valve and a cooling pipeline circulation pump.

[0015] The third connecting pipe is connected to the water outlet of the hot water tank and the water inlet of the phase change material cold storage tank respectively.

[0016] The fourth connecting pipe is connected to the water inlet of the hot water tank and the water outlet of the phase change material cold storage tank respectively.

[0017] The third electric valve is arranged on the third connecting pipe.

[0018] The cooling pipeline circulation pump is arranged on the fourth connecting pipe.

[0019] Furthermore, the first end of the third connecting pipe is connected to the water outlet of the hot water tank, and the second end of the third connecting pipe is connected to the first connecting pipe.

[0020] The first end of the fourth connecting pipe is communicated with the water inlet of the hot water tank, and the second end of the fourth connecting pipe is communicated with the second connecting pipe between the flow meter and the second electric valve.

[0021] Furthermore, when storing cold, the third electric valve is closed, and the first electric valve and the second electric valve are opened; when releasing cold, the second electric valve is closed, and the first electric valve and the third electric valve are opened.

[0022] Furthermore, the exteriors of the chiller, the phase change material cold storage box, the hot water tank, the cold storage circulation pipeline assembly and the cooling circulation pipeline assembly are all covered with polyurethane pipeline cold insulation cotton of different thicknesses according to actual temperatures.

[0023] Furthermore, the pipes at the water inlet and outlet of the chiller are made of PE material, the pipes at the water inlet and outlet of the phase change material cold storage box are made of stainless steel, and the pipes at the water inlet and outlet of the hot water tank are made of stainless steel.

[0024] The present invention has the following beneficial effects:

[0025] 1. The phase change material packaging module provided by the present invention adopts a modular design, which is convenient for disassembly, assembly and transportation. At the same time, different numbers of phase change material packaging modules can be directly selected for assembly according to different loads.

[0026] 2. The phase change material packaging module provided by the present invention adopts a cold storage medium different from water or ice, which can effectively overcome the problem of low efficiency of water cooling or ice cooling, while reducing the space occupied by the cold storage equipment, and can adapt to the cold storage needs in different scenarios.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of the phase change material packaging module provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In the description of the present invention, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The phase change material packaging module of the present invention refers to Figure 1 , including a chiller 1, a phase change material cold storage box 2, a hot water tank 3, a cold storage circulation pipeline assembly 4 and a cooling circulation pipeline assembly 5, wherein the phase change material cold storage box 2 is provided with a heat exchange tube, and the heat exchange tube is provided with a phase change material.

[0034] The cold storage circulation pipeline assembly 4 circulates and connects the chiller 1 and the phase change material cold storage tank 2, and connects the chiller 1 and the phase change material cold storage tank 2 for heat exchange and cold storage when cold storage is needed. The cooling circulation pipeline assembly 5 connects the hot water tank 3 and the phase change material cold storage tank 2, and connects the hot water tank 3 and the phase change material cold storage tank 2 for cooling when cooling is needed.

[0035] The cold storage circulation pipe assembly 4 includes a first connecting pipe 41 , a second connecting pipe 42 , a first electric valve 43 , a second electric valve 44 and a flow meter 45 .

[0036] The first connecting pipe 41 is respectively connected to the water outlet of the chiller 1 and the water inlet of the phase change material cold storage tank 2, the second connecting pipe 42 is respectively connected to the water inlet of the chiller 1 and the water outlet of the phase change material cold storage tank 2, the flow meter 45 is arranged on the second connecting pipe 42, the first electric valve 43 is arranged between the flow meter 45 and the phase change material cold storage tank 2, and the second electric valve 44 is arranged between the flow meter 45 and the chiller 1.

[0037] The cooling circulation pipeline assembly 5 includes a third connecting pipe 51, a fourth connecting pipe 52, a third electric valve 53 and a cooling pipeline circulation pump 54. The third connecting pipe 51 is connected to the water outlet of the hot water tank 3 and the water inlet of the phase change material cold storage tank 2, respectively, the fourth connecting pipe 52 is connected to the water inlet of the hot water tank 3 and the water outlet of the phase change material cold storage tank 2, the third electric valve 53 is arranged on the third connecting pipe 51, and the cooling pipeline circulation pump 54 is arranged on the fourth connecting pipe 52.

[0038] When storing cold, the third electric valve is closed, and the first and second electric valves are opened; when releasing cold, the second electric valve is closed, and the first and third electric valves are opened.

[0039] In one embodiment, further, the first end of the third connecting pipe 51 is connected to the water outlet of the hot water tank 3, the second end of the third connecting pipe 51 is connected to the first connecting pipe 41, the first end of the fourth connecting pipe 52 is connected to the water inlet of the hot water tank 3, and the second end of the fourth connecting pipe 52 is connected to the second connecting pipe 42 between the flow meter 45 and the second electric valve 44.

[0040] The exteriors of the chiller 1, the phase change material cold storage box 2, the hot water tank 3, the cold storage circulation pipeline assembly 4 and the cooling circulation pipeline assembly 5 are all covered with polyurethane pipeline cold insulation cotton of different thicknesses according to the actual temperature.

[0041] The pipes at the water inlet and outlet of the chiller 1 are made of PE material, the pipes at the water inlet and outlet of the phase change material cold storage box 2 are made of stainless steel, and the pipes at the water inlet and outlet of the hot water tank 3 are made of stainless steel.

[0042] The working principle of the present invention is to store cold and exchange heat when the electricity is off-peak, the energy price is low and the refrigeration load is low, and to release cold and exchange heat when the electricity is peak, the energy price is high and the refrigeration load is high.

[0043] In the present application, the phase change temperature point of the phase change material is 7°C. During the cold storage process, the third electric valve is closed, and the first electric valve and the second electric valve are opened. The chiller outputs 6°C water to the phase change material cold storage box. The heat exchange tube of the phase change material cold storage box exchanges heat with the phase change material, so that the phase change material is cooled to 7°C to perform phase change and cold storage. During the cooling process, the second electric valve is closed, and the first electric valve and the third electric valve are opened. The cooling pipeline circulation pump pumps 50°C water in the hot water tank into the phase change material cold storage box. The heat exchange tube of the phase change material cold storage box exchanges heat with the phase change material. The phase change material melts and absorbs heat at this time, so that the water temperature in the hot water tank drops to 7°C.

[0044] The hot water tank in this application can be replaced with other working ports.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0046] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify and vary the above embodiments within the scope of the present invention.

Claims

1. A phase change material packaging module, characterized in that: The invention comprises a chiller, a phase change material cold storage box, a hot water tank, a cold storage circulation pipeline assembly and a cooling circulation pipeline assembly. The phase change material cold storage box is provided with a heat exchange tube, and the heat exchange tube is provided with a phase change material. The cold storage circulation pipeline assembly circulates to connect the water chiller and the phase change material cold storage tank, and connects the water chiller and the phase change material cold storage tank to perform heat exchange and cold storage when cold storage is required. The cooling circulation pipeline assembly connects the hot water tank and the phase change material cold storage tank, and connects the hot water tank and the phase change material cold storage tank for cooling when cooling is required.

2. The phase change material packaging module according to claim 1, characterized in that: The cold storage circulation pipeline assembly includes a first connecting pipe, a second connecting pipe, a first electric valve, a second electric valve and a flow meter. The first connecting pipe is connected to the water outlet of the chiller and the water inlet of the phase change material cold storage tank respectively. The second connecting pipe is connected to the water inlet of the chiller and the water outlet of the phase change material cold storage tank respectively. The flow meter is arranged on the second connecting pipe, The first electric valve is disposed between the flow meter and the phase change material cold storage tank. The second electric valve is arranged between the flow meter and the chiller.

3. The phase change material packaging module according to claim 2, characterized in that: The cooling circulation pipeline assembly includes a third connecting pipe, a fourth connecting pipe, a third electric valve and a cooling pipeline circulation pump. The third connecting pipe is connected to the water outlet of the hot water tank and the water inlet of the phase change material cold storage tank respectively. The fourth connecting pipe is connected to the water inlet of the hot water tank and the water outlet of the phase change material cold storage tank respectively. The third electric valve is arranged on the third connecting pipe. The cooling pipeline circulation pump is arranged on the fourth connecting pipe.

4. The phase change material packaging module according to claim 3, characterized in that: The first end of the third connecting pipe is connected to the water outlet of the hot water tank, and the second end of the third connecting pipe is connected to the first connecting pipe. The first end of the fourth connecting pipe is communicated with the water inlet of the hot water tank, and the second end of the fourth connecting pipe is communicated with the second connecting pipe between the flow meter and the second electric valve.

5. The phase change material packaging module according to claim 3, characterized in that: When storing cold, the third electric valve is closed, and the first and second electric valves are opened; when releasing cold, the second electric valve is closed, and the first and third electric valves are opened.

6. The phase change material packaging module according to claim 1, characterized in that: The exteriors of the chiller, the phase change material cold storage box, the hot water tank, the cold storage circulation pipeline assembly and the cooling circulation pipeline assembly are all covered with polyurethane pipeline cold insulation cotton of different thicknesses according to actual temperatures.

7. The phase change material packaging module according to claim 1, characterized in that: The pipes at the water inlet and outlet of the chiller are made of PE material, the pipes at the water inlet and outlet of the phase change material cold storage box are made of stainless steel, and the pipes at the water inlet and outlet of the hot water tank are made of stainless steel.

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