CN112197332A

CN112197332A - Indoor heater with phase change wax as medium and control method thereof

Info

Publication number: CN112197332A
Application number: CN202011195251.1A
Authority: CN
Inventors: 张伟; 陈凤; 徐德法
Original assignee: Zhejiang Geluowei Energy Technology Co ltd
Current assignee: Zhejiang Geluowei Energy Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-08

Abstract

The invention relates to an indoor heater with phase-change wax as a medium and a control method thereof, comprising a shell and a heat tank arranged in the shell. Wax medium, the heating box is provided with an electric heating element, the outside of the heat tank is also provided with a hot gas absorption box for absorbing the expanding gas inside the heat tank at the initial stage of activation, and a thermostat for controlling the internal heating temperature of the heat tank, The casing is also provided with an air port for exchanging heat with the outside air and a control panel for controlling the state of the equipment. The invention has a novel structure, the electric heating element is completely isolated from the medium, and is safe to use, and can heat up rapidly in the early stage of heating, and continue to dissipate heat after the power is cut off. The invention can also realize the same volume of unit power and light weight.

Description

Indoor heater with phase-change wax as medium and control method thereof

Technical Field

The invention relates to an electric heater, in particular to a control method of an indoor heater machine taking phase-change wax as a medium.

Background

Indoor room heaters in the current market are mainly divided into: 1. PTC heating, 2 heating by a heating film, 3 heating by a heater using water as a medium, 4 heating by a heat storage module and the like. The heaters have certain defects, for example, the heaters heated by PTC and heating film are light in weight, but the indoor heating has slow heating speed, the working mode is that the heaters are electrified to generate heat, and the heaters are powered off and disconnected, so the heaters are not high in economical efficiency when used in winter. And as the power of the machine increases, the volume increases accordingly.

In addition, the warmer using water as a medium starts to generate steam when the heating temperature of the water reaches 50 ℃, the steam quantity is greatly increased when the temperature of the water reaches 65 ℃, if a closed water storage tank is adopted, the interior of the closed water storage tank can bear pressure, and an open water storage tank is adopted, so that the water consumption is high, and frequent water supplement is needed. And the highest temperature of the warmer with water as a medium is about 80 degrees generally. The heat storage module heater is heavy in weight, high in power and correspondingly large in size, is inconvenient to store in hot seasons without heating, needs to be installed by special persons, is time-consuming, and is difficult to purchase and use.

Disclosure of Invention

In order to solve the above technical problems, a first object of the present invention is to provide an indoor heater using phase-change wax as a medium, which has a simple structure and high safety, and can continuously dissipate heat after power failure. The second purpose of the invention is to provide a control method of the indoor warmer using the phase-change wax as the medium.

In order to achieve the first object, the invention adopts the following technical scheme:

the utility model provides an indoor heater of phase transition wax for medium, includes the shell and sets up the hot courage in the shell, the inside heating cabinet that is equipped with of hot courage, the periphery of heating cabinet is equipped with phase transition wax medium, be equipped with electric heating element in the heating cabinet, the outside of hot courage still is equipped with and is used for absorbing the inside expanding gas's of hot courage steam at the starting initial stage and receives the box and control the temperature controller of the inside heating temperature of hot courage, still be equipped with on the shell and carry out the gas port of heat exchange with outside air and be used for the control panel of controlgear state.

As a preferable scheme: the hot air absorbing box is communicated with the inside of the hot liner through a one-way valve.

As a preferable scheme: the shell of the hot liner is also provided with a hot liner window for observing the loss of the phase-change wax medium and a filling opening for adding the phase-change wax medium.

As a preferable scheme: and the shell is also provided with a shell window, and the position of the shell window corresponds to that of the hot liner window.

As a preferable scheme: a gap is reserved between the hot liner and the inner wall of the shell, and a circulating fan is further arranged outside the hot liner.

As a preferable scheme: the circulating fan is in a long strip shape, and two ends of the circulating fan are fixed to the top of the hot liner through the support.

As a preferable scheme: the shell top still is equipped with the circulation gas port, the lower part of shell is equipped with down the circulation gas port, and goes up the circulation gas port and all has the rectangular shape through-hole constitution of the even interval distribution of multichannel with lower circulation gas port.

As a preferable scheme: and heat insulation material layers are arranged on the periphery, the top and the bottom of the shell.

As a preferable scheme: splayed bottom feet are further arranged at the two ends of the bottom of the shell.

In order to achieve the second object, the invention adopts the following technical scheme:

the control method of the indoor warmer taking the phase-change wax as the medium comprises the following steps of starting the electric heating element in a staged mode in the initial starting mode of the refrigerator, namely after the electric heating element is electrified: the 1 st time of the electric heating element is electrified for 10 seconds, the electric heating element is powered off for 10 seconds, the medium close to the periphery of the electric heating element is heated, heat energy is radiated to the outer side direction of the medium, the 2 nd time of the electric heating element is electrified for 15 seconds, the electric heating element is powered off for 15 seconds, the medium close to the periphery of the electric heating element is subjected to phase change and is stirred, the heat energy is continuously radiated in the medium, the 3 rd time of the electric heating element is electrified for 25 seconds, the electric heating element is powered off for 20 seconds, most of the heat storage medium is heated and is subjected to phase change and stirring.

Compared with a heat storage module heater, the invention can realize the same unit power and volume and has light weight; compared with a heater heated by a PTC heating lake or a heating film, the temperature can be rapidly increased in the initial heating stage; and enough heat storage space and heat storage medium are provided, so that continuous heat supply can be realized after power failure; the electric heating element is completely isolated from the medium, so that the safety is higher; compared with a heater using water as a medium, the heater does not generate steam below 130 ℃, has small (negligible) solid-liquid phase change volume change, and does not bear pressure inside.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the heat bladder of the present invention;

fig. 4 is a schematic view of the internal structure of the heat bladder of the present invention.

Wherein the labels in the figure are: 1. a housing; 2. heating the liner; 3. a circulation fan; 4. a support; 5. a thermal insulation material layer; 6. a filling opening; 7. a temperature controller; 8. a hot air intake box; 9. a window for the hot container; 10. a one-way valve; 11. a heating box; 12. an electric heating element; 80. a control panel; 81. a lower circulation gas port; 82. an upper circulation air port; 83. a housing window.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, elements, and/or combinations thereof, unless the context clearly indicates otherwise.

Further, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further illustrated with reference to the following examples and drawings:

as shown in fig. 1 to 4, the present embodiment provides an indoor heater using phase-change wax as a medium, which includes a housing 1 and a heat container 2 disposed in the housing 1, the heat container is disposed in the housing in the middle, and is isolated from the periphery and bottom of the housing by a thermal insulation material layer 5, and the top is a special-shaped thermal insulation material layer. A heating box 11 is arranged in the heating liner 2, a phase-change wax medium is arranged on the periphery of the heating box 11, an electric heating element 12 is arranged in the heating box 11, the heating element is isolated from the heating medium, and a solid-liquid phase-change material is used as a heat storage medium; a large space is reserved between the heat insulation material layer and the hot liner, and hot air can be stored in the space for convective heat transfer; the outer part of the hot liner 2 is also provided with a hot air absorbing box 8 for absorbing the expansion gas in the hot liner 2 at the starting initial stage and a temperature controller 7 for controlling the internal heating temperature of the hot liner 2, and the shell 1 is also provided with an air port for exchanging heat with the outside air and an operation panel 80 for controlling the state of the device.

The hot air intake box 8 is communicated with the inside of the hot container 2 through a one-way valve 10. The check valve is used for preventing external air from entering the inside of the hot bladder 2. The box is received to steam is installed in hot courage top side, because thermal energy, the thermal energy gas in the hot courage discharges through the check valve and is received the box absorption by steam, and the back is received in the outage, and the inside negative pressure that will form of hot courage, later stage circular telegram during operation again, can not produce interior pressure or have extremely low interior pressure.

The shell of the hot liner 2 is also provided with a hot liner window 9 for observing the loss of the phase-change wax medium and a filling opening 6 for adding the phase-change wax medium. The shell 1 is also provided with a shell window 83, and the position of the shell window 83 corresponds to the position of the hot bladder window 9. Through two windows, a user can conveniently observe the loss and the position of the medium in the hot container 2, and the medium is added through the filling port according to the requirement.

A gap is reserved between the hot liner 2 and the inner wall of the shell 1, and a circulating fan 3 is further arranged outside the hot liner 2. The circulating fan 3 is in a long strip shape, and two ends of the circulating fan are fixed with the top of the hot liner 2 through the support 4. The circulating fan is a silent fan, air convection can be accelerated at the initial stage of starting the equipment, the indoor temperature is quickly raised, and when the room temperature reaches the required temperature, corresponding working modes are started according to the change of the room temperature and are divided into three modes, namely micro-circulation, accelerated circulation and forced circulation.

The top of the shell 1 is also provided with an upper circulation air port 82, the lower part of the shell 1 is provided with a lower circulation air port 81, and the upper circulation air port 82 and the lower circulation air port 81 are all provided with a plurality of strip-shaped through holes distributed at even intervals. The arrangement of the upper and lower circulating air ports is beneficial to air convection. The periphery, the top and the bottom of the shell 1 are all provided with heat insulation material layers 5. The heat preservation material layer can adopt heat preservation cotton to keep warm and insulate against heat. The bottom of the shell 1 is also provided with splayed feet. The splayed footing on four sides, equipment is put more stably and is difficult for turning on one's side.

When the electric heating element is electrified to work, the surface temperature can reach 500 ℃, and when the heat storage medium (except the solid medium) is heated in a static state, if the heat storage medium is continuously heated, the composition structure and the service performance of the medium can be influenced, and the service life of the medium can be shortened. Therefore, the initial starting mode of the refrigerator is that the electric heating element is opened in a staged mode, namely after the power is on: the 1 st time of the electric heating element is electrified for 10 seconds, the electric heating element is powered off for 10 seconds, the medium close to the periphery of the electric heating element is heated, heat energy is radiated to the outer side direction of the medium, the 2 nd time of the electric heating element is electrified for 15 seconds, the electric heating element is powered off for 15 seconds, the medium close to the periphery of the electric heating element is subjected to phase change and is stirred, the heat energy is continuously radiated in the medium, the 3 rd time of the electric heating element is electrified for 25 seconds, the electric heating element is powered off for 20 seconds, most of the heat storage medium is heated and is subjected to phase change and stirring.

When the complete circular telegram during operation, heating element 12 generates heat, the medium heating to required temperature in hot courage 2 through the casing of heating cabinet 11, because thermal expansion, the hot-air in the hot courage discharges through check valve 10 and is accomodate box 8 by the hot-air and absorb, (after the outage cooling, the inside negative pressure that will form of hot courage, later stage is the circular telegram during operation again, can not produce interior pressure or have extremely low interior pressure), the circulating fan at top is at the heating initial stage, can accelerate the convection current of air, realize indoor temperature rapid heating up, when the room temperature reaches required temperature, according to the change of room temperature, open corresponding mode.

The invention has novel structure, complete isolation between the electric heating element and the medium, safe use, rapid temperature rise in the initial heating stage and continuous heat dissipation after power failure. The invention can realize the same volume of unit power and light weight.

Claims

1. The utility model provides an indoor room heater of phase transition wax as medium which characterized in that: including shell (1) and hot courage (2) of setting in shell (1), hot courage (2) inside is equipped with heating cabinet (11), the periphery of heating cabinet (11) is equipped with phase transition wax medium, be equipped with electric heating element (12) in heating cabinet (11), the outside of hot courage (2) still is equipped with and is used for absorbing the inside expanding gas's of hot courage (2) steam in the starting initial stage and inhales box (8) and control hot courage's (2) inside heating temperature's temperature controller (7), still be equipped with on shell (1) and carry out the gas port of heat exchange with the outside air and be used for controlgear state control panel (80).

2. The indoor warmer of claim 1, wherein the phase-change wax is a dielectric material, and the heater comprises: the hot air absorbing box (8) is communicated with the interior of the hot liner (2) through a one-way valve (10).

3. The indoor warmer of claim 1, wherein the phase-change wax is a dielectric material, and the heater comprises: and a shell of the hot liner (2) is also provided with a hot liner window (9) for observing the loss of the phase-change wax medium and a filling opening (6) for adding the phase-change wax medium.

4. The indoor warmer of claim 3, wherein the phase-change wax is a dielectric material, and the heater further comprises: the shell (1) is also provided with a shell window (83), and the position of the shell window (83) corresponds to the position of the hot liner window (9).

5. The indoor warmer of claim 1, wherein the phase-change wax is a dielectric material, and the heater comprises: a gap is reserved between the hot liner (2) and the inner wall of the shell (1), and a circulating fan (3) is further arranged outside the hot liner (2).

6. The indoor warmer of claim 5, wherein the phase-change wax is a dielectric material, and the heater further comprises: the circulating fan (3) is in a long strip shape, and two ends of the circulating fan are fixed with the top of the hot liner (2) through the support (4).

7. The indoor warmer of claim 1, wherein the phase-change wax is a dielectric material, and the heater comprises: shell (1) top still is equipped with circulation gas port (82), the lower part of shell (1) is equipped with down circulation gas port (81), and goes up circulation gas port (82) and down circulation gas port (81) and all has the rectangular shape through-hole of the even interval distribution of multichannel to constitute.

8. The indoor warmer of claim 1, wherein the phase-change wax is a dielectric material, and the heater comprises: the periphery, the top and the bottom of the shell (1) are all provided with heat insulation material layers (5).

9. The indoor warmer of claim 1, wherein the phase-change wax is a dielectric material, and the heater comprises: splayed bottom feet are further arranged at two ends of the bottom of the shell (1).

10. A control method of an indoor warmer using phase-change wax as a medium as claimed in any one of claims 1 to 9, characterized in that:

the initial starting mode of the refrigerator is that the electric heating element (12) is opened in a staged mode, namely after the power is turned on: the 1 st electrification of the electric heating element (12) is carried out for 10 seconds, the electricity is cut off for 10 seconds, the medium close to the periphery of the electric heating element (12) is heated, heat energy is radiated towards the outer side direction of the medium, the 2 nd electrification is carried out for 15 seconds, the electricity is cut off for 15 seconds, the phase change of the medium close to the periphery of the electric heating element (12) is enabled to generate flexible motion, the heat energy is continuously radiated inside the medium, the 3 rd electrification is carried out for 25 seconds, the electricity is cut off for 20 seconds, most of the heat storage medium is heated to generate phase change flexible motion, finally, the electric heating element is completely electrified till the required.