CN214333479U

CN214333479U - Electric heating heat storage device based on solid-solid phase change material

Info

Publication number: CN214333479U
Application number: CN202022439392.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Zhongkai Xinke Technology Co ltd
Current assignee: Beijing Zhongkai Xinke Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-10-01
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses an electric heating heat storage device based on solid-solid phase change material, which comprises a shell and a heating part, wherein the shell is internally sealed and filled with the solid-solid phase change material; the heating component is arranged inside the solid-solid phase change material and provided with an electric heating terminal which is arranged on one side face of the shell. The utility model provides an electrical heating heat-retaining device has that the heat-retaining is convenient, get hot fast, efficient, the energy storage mode is simple, the stored energy is big, safe characteristics such as portable, provides a feasible mode for camping safety heating, can realize energy storage and stride the time quantum and use.

Description

Electric heating heat storage device based on solid-solid phase change material

Technical Field

The utility model relates to a heat-retaining field especially relates to an electrical heating heat-retaining technical field based on solid-solid phase change material.

Background

The camping often encounters the problem of heating, especially in winter, under the condition that the environmental temperature is lower, the existing heating mode is to insulate heat through a tent, a sleeping bag and the like, but because no heat source exists, the temperature in the tent and the sleeping bag is still below the comfortable temperature of a human body, and the heat preservation can only be realized by self-heating of the human body. Because the tent and the sleeping bag are all inflammable substances, potential safety hazards are easy to occur in open fire heating, the storage battery energy storage is a tent heating mode, but the storage battery cannot be recycled in camping and camping environments, and the storage battery has short circuit and even explosion risks and is not suitable for serving as a heating energy source. Therefore, a simple, safe, efficient and energy-saving heating mode is provided, which is a problem to be solved urgently.

Disclosure of Invention

In order to solve the above problem, the utility model provides an electrical heating heat-retaining device based on solid-solid composite phase change material, its inside solid-solid phase change energy storage material of packing, solid-solid phase change energy storage material internally arranged has electrical heating device such as heating plate, heating rod, heater strip etc. and usable electric power service station gets the electrical heating energy storage, or portable solar power system gets the electrical heating energy storage.

In order to achieve the above object, the specific technical solution of the electric heating heat storage device based on solid-solid composite phase change material of the present invention is: an electric heating heat storage device based on a solid-solid composite phase change material comprises a shell and a heating part, wherein the inside of the shell is hermetically filled with the solid-solid phase change material; the heating component is arranged inside the solid-solid phase change material and provided with an electric heating terminal which is arranged on one side face of the shell.

Preferably, the heat storage device further comprises an electric heating end cover which covers the surface of the shell body with the electric heating terminal.

Preferably, the heating member includes a heating sheet, a heating rod, and a heating wire.

Preferably, the shell has a local thickening or reinforcing structure inside and a local thickening or reinforcing structure outside.

Preferably, the surface temperature of the heat storage device is 40-100 ℃, and the variation range is less than or equal to +/-5 ℃.

Preferably, the solid-solid phase change material has a high-density energy storage effect and can maintain a constant temperature effect at a phase change temperature point, and the solid-solid phase change material is selected from inorganic salts, polyols, cross-linked high-density polyethylene, polyurethane and paraffin.

Preferably, the shell has a filler hole, and after the solid-solid phase change material is filled into the shell through the filler hole, the shell is sealed by welding.

The utility model provides an electrical heating heat-retaining device has that the heat-retaining is convenient, get hot fast, efficient, the energy storage mode is simple, the stored energy is big, safe characteristics such as portable, provides a feasible mode for camping safety heating, can realize energy storage and stride the time quantum and use, has filled the blank of camping heating field technical application.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the solid-solid composite phase change material-based electrical heating heat storage device of the present invention.

Detailed Description

For better understanding of the purpose, structure and function of the present invention, the following describes the electric heating heat storage device based on solid-solid composite phase change material with reference to the attached drawings. Although the present invention has been illustrated and described with reference to these embodiments, it should be noted that the present invention is not limited to these embodiments. On the contrary, the invention is intended to cover all alternatives, modifications and equivalents, which may be included within the spirit and scope of the invention as defined by the appended claims.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, structures, features, and advantages that are known to those of ordinary skill in the art have not been described in detail so as not to obscure the invention.

Fig. 1 is a schematic structural diagram of a first embodiment of an electrical heating heat storage device based on a solid-solid composite phase change material according to the present invention. The utility model discloses an electrical heating heat-retaining device 100 includes casing 101, and the casing internal seal packing has solid-solid phase change material 102, electrical heating component 103 set up in inside solid-solid phase change material, it has electrical heating terminal (not shown in the figure), electrical heating terminal set up in on a side of casing. The casing 101 is a hollow structure with a certain thickness, and the shape may be cylindrical, spherical, ellipsoidal, and the like. The thickness of the shell 101 is selected by calculating the thickness of different materials or different materials are matched according to different proportions according to requirements of application scenes, heat storage performance, heat transfer performance and the like. The casing 101 has a filling hole (not shown) through which a certain amount of solid-solid phase change material is filled into the casing 101, and the casing 101 is sealed by welding. The filling amount of the solid-solid phase change material can be selected by those skilled in the art according to actual needs.

In this embodiment, a suitable phase change material may be selected according to actual requirements. The solid-solid phase change material 102 is selected from inorganic salt mixtures, polyols, cross-linked high density polyethylene, polyurethane, paraffin, and the like. If the inorganic salt mixture is selected, the mixture is specifically a mixture of certain type hydrated inorganic salt, an adsorption material and a nucleating agent, is solid at normal temperature, has large latent heat, is green, environment-friendly and nontoxic, has stable performance and can be repeatedly used. According to the selection of phase-change materials, phase-change temperatures and modification measures filled in the shell 101, the surface temperature of the electric heating heat storage device 100 is kept at 40-100 ℃, and the variation amplitude is less than or equal to +/-5 ℃. The solid-solid phase change material 102 has high-density energy storage effect and can maintain constant temperature at the phase change temperature point

Of course, the shape of the housing 101 may be any shape other than the above-mentioned cylindrical shape, spherical shape, and ellipsoidal shape, as long as it can fulfill the heat storage requirement, and is not limited herein.

In this embodiment, the heat storage device further includes an electric heating end cap 104 covering the surface of the casing 101 having the electric heating terminal. The electric heating part 103 may be selected from a heating sheet, a heating rod, a heating wire, and the like. In the energy storage stage, the electric heating end cover 104 is opened, and the electric heating part 103 is electrically connected with the external power supply device through the electric heating terminal, so that the heat energy is stored inside the electric heating heat storage device 100 for later use.

In this embodiment, the casing 101 has a local thickening or a reinforcing rib structure inside, and the casing has a local thickening or a reinforcing rib structure outside, can prevent that the electrical heating heat storage device 100 from producing deformation, fracture, leaking etc. and influencing the use.

In this embodiment, the electrical heating heat storage device 100 can be used as a bare rod or as a wrapped rod, so as to achieve the purposes of reducing heat loss and preventing scald.

In the specific use process, before camping and camping, the electric heating and energy storage device 100 can be electrically heated and stored, and the electric heating and energy storage device can also be powered from an electric power service station or a portable solar power generation device, and then the electric heating and energy storage device 100 is kept warm and stored. The electrical heating heat storage device 100 may be immersed in boiling water, bonfire baked, high-temperature insolation, or the like in an energy generation process during utilization or a natural heat source such as water boiling, bonfire, high-temperature insolation, or the like, and the electrical heating heat storage device 100 may be heated to a higher temperature and then stored while being kept warm. In order to adapt to these application scenarios, measures such as structural reinforcement, leakage prevention, short circuit prevention, and bulging prevention need to be performed on the electrical heating heat storage device 100. When falling asleep at night, the electric heating heat storage device 100 is taken out to solve the problem of warming at a lower temperature, and a user can achieve the purpose of warming through the energy released by the device.

The utility model provides an electrical heating heat-retaining device 100 has that the heat-retaining is convenient, get hot fast, efficient, the energy storage mode is simple, the stored energy is big, characteristics such as safe portable, for camping safety heating provides a feasible mode, can realize energy storage and stride the time quantum and use.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. An electric heating heat storage device based on solid-solid phase change materials is characterized by comprising

A housing and a heating member, wherein,

the interior of the shell is hermetically filled with a solid-solid phase change material;

the heating part is arranged inside the solid-solid phase change material, and is provided with an electric heating terminal which is arranged on one side surface of the shell;

the heat storage device further comprises an electric heating end cover which covers the surface of the shell with the electric heating terminal.

2. The electric heating heat storage device based on the solid-solid phase change material as claimed in claim 1, wherein the heating means comprises a heating sheet, a heating rod and a heating wire.

3. The electrical heating heat storage device based on solid-solid phase change material as claimed in claim 1, wherein the shell has a local thickening or reinforcing rib structure inside, and a local thickening or reinforcing rib structure outside.

4. The electric heating heat storage device based on the solid-solid phase change material as claimed in any one of claims 1 to 3, wherein the surface temperature of the heat storage device is 40 to 100 ℃, and the variation range is less than or equal to +/-5 ℃.

5. The device for storing heat in an electrically heated manner based on solid-solid phase change material as claimed in any one of claims 1 to 3, wherein the solid-solid phase change material has a high-density energy storage effect and can maintain a constant temperature effect at the phase transition temperature point.

6. An electrically heated heat storage device based on solid-solid phase change material according to any of claims 1-3 wherein the solid-solid phase change material is selected from inorganic salts, polyols, cross-linked high density polyethylene, polyurethane, paraffin.

7. The device for storing heat in an electrically heated solid-solid phase change material-based device as claimed in any one of claims 1 to 3, wherein the shell has a filler hole, and after the solid-solid phase change material is filled into the shell through the filler hole, the shell is sealed by welding.