CN210688430U - Heat storage brick and heat storage equipment - Google Patents

Abstract

An embodiment of the utility model provides a heat accumulation brick and thermal storage equipment relates to the thermal storage equipment field. This heat accumulation brick includes heat accumulation body, heating member and heat-conducting medium, and the heat accumulation body is provided with the heating passageway and the ventilation passageway of mutual isolation, and the heating member sets up in heating passageway, and heat-conducting medium fills between heating member and heating passageway, and the ventilation passageway link up the heat accumulation body. The embodiment of the utility model provides a heat accumulation brick and thermal storage equipment have the characteristics that heat transfer efficiency is high, the heat accumulation time is short and the energy consumption is low, can promote the temperature rise effect in the space.

Description

Heat storage brick and heat storage equipment

Technical Field

The utility model relates to a thermal storage equipment field particularly, relates to a heat accumulation brick and thermal storage equipment.

Background

The fixed scheme of current static heat accumulation electric heater, inside heat accumulator and heating member is the pressing mode, and two positive and negative heat accumulators close on the face promptly and have the grooving, and the heating member is placed to the grooving space, has the clearance between heating pipe and the heat accumulator for gaseous convection current. However, the heat storage electric heater has the defects of low heat storage efficiency, slow temperature rise in the space and obvious heat waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heat accumulation brick and thermal storage equipment, for example, it has the characteristics that heat transfer efficiency is high, the heat accumulation time is short and the energy consumption is low, can promote the temperature rise effect in the space to simple structure, the manufacturing of being convenient for.

The embodiment of the utility model discloses a can realize like this:

in a first aspect, the embodiment of the utility model provides a heat accumulation brick, including heat accumulation body, heating member and heat-conducting medium, the heat accumulation body is provided with the heating channel and the ventilation passageway of mutual isolation, the heating member set up in the heating channel, the heat-conducting medium fill in the heating member with between the heating channel, the ventilation passageway link up the heat accumulation body.

The utility model provides a heat accumulation brick: the heating body is used for heating after being electrified, and the heat-conducting medium is arranged between the heating body and the heat storage body and is used for transferring heat to the heat storage body. The heating body is tightly connected with the inner wall of the heating channel through the heat-conducting medium, so that the heat transfer effect is ensured, and the heating efficiency is improved. Make gas flow through the ventilation passageway, the convection current is more unobstructed, can make the heat that the heat accumulation body stored release in the space better under exothermic state. The ventilation channel mutually isolated from the heating channel can enable the heat of the heat storage body to be released more thoroughly, and the temperature rise effect in the space is better.

In an alternative embodiment, the heat storage body includes a first body and a second body, and the first body is detachably connected to the second body and encloses the heating passage and/or the ventilation passage.

In an alternative embodiment, the first body is provided with a first heating groove, and the first heating groove and the second body enclose the heating channel.

In an alternative embodiment, the second body is provided with a second heating groove, and the second heating groove and the first heating groove enclose the heating channel.

In an alternative embodiment, the first body is provided with a first ventilation groove, and the first ventilation groove and the second body enclose the ventilation channel.

In an alternative embodiment, the second body is provided with a second ventilation groove, and the second ventilation groove and the first ventilation groove enclose the ventilation channel.

In an alternative embodiment, the ventilation channel is provided to the first body and/or the second body.

In an alternative embodiment, the heating channel and the ventilation channel extend in parallel directions.

In an optional embodiment, the heating channel penetrates through the heat storage body, the heat storage brick further comprises an end cover, the heating body exposes out of one end port of the heating channel, and the end cover blocks the other end port of the heating channel.

In an optional embodiment, a locking structure is arranged on the heat storage body, and the locking structure is used for locking two adjacent heat storage bricks.

In a second aspect, the embodiment of the present invention provides a thermal storage device, which includes a thermal storage brick as in any one of the above embodiments, and has the characteristics of high heat transfer efficiency, short thermal storage time and low energy consumption, and can improve the temperature rise effect in the space.

The heat storage device provided by the embodiment: the heating body is used for heating after being electrified, and the heat-conducting medium is arranged between the heating body and the heat storage body and is used for transferring heat to the heat storage body. The heating body is tightly connected with the inner wall of the heating channel through the heat-conducting medium, so that the heat transfer effect is ensured, and the heating efficiency is improved. Make gas flow through the ventilation passageway, the convection current is more unobstructed, can make the heat that the heat accumulation body stored release in the space better under exothermic state. The ventilation channel mutually isolated from the heating channel can enable the heat of the heat storage body to be released more thoroughly, and the temperature rise effect in the space is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a heat storage brick provided by an embodiment of the present invention;

fig. 2 is a schematic sectional view of the heat storage brick of fig. 1;

fig. 3 is a schematic structural view of a heating path and a ventilation path of the heat storage brick of fig. 1.

Icon: 100-heat storage bricks; 110-a thermal storage body; 112-a heating channel; 113-a ventilation channel; 114-a first body; 1141-a first heating tank; 1142-a first ventilation slot; 115-a second body; 1151-a second heating tank; 1152-a second vent channel; 116-a locking arrangement; 120-a heating body; 130-a heat conducting medium; 140-end cap.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1 and 2, the present embodiment provides a heat storage brick 100, and the heat storage brick 100 has the characteristics of high heat transfer efficiency, short heat storage time, and low energy consumption, can improve the temperature rise effect in the space, and has a simple structure and is convenient to manufacture.

The heat storage brick 100 provided by the embodiment can be applied to a heat storage device or a heat storage system, such as a static heat storage electric heater.

In this embodiment, the heat storage brick 100 includes a heat storage body 110, a heating body 120, and a heat conducting medium 130, the heat storage body 110 is provided with a heating channel 112 and a ventilation channel 113 that are isolated from each other, the heating body 120 is disposed in the heating channel 112, the heat conducting medium 130 is filled between the heating body 120 and the heating channel 112, and the ventilation channel 113 penetrates through the heat storage body 110.

It is understood that the heating body 120 serves to generate heat after being electrified, and the heat conductive medium 130 is disposed between the heating body 120 and the heat storage body 110 and serves to transfer heat to the heat storage body 110. It should be noted that the heating channel 112 refers to a channel provided with the heating body 120, and the ventilation channel 113 refers to a channel for air intake and air outtake. The heating body 120 and the heat conducting medium 130 are both arranged in the heating channel 112, and the heating body 120 is tightly connected with the inner wall of the heating channel 112 through the heat conducting medium 130, so that the heat transfer effect is ensured, and the heating efficiency is improved.

Meanwhile, the air flows through the ventilation channel 113, the convection is smoother, and the heat stored in the heat storage body 110 can be better released into the space in a heat release state. The ventilation channel 113, which is isolated from the heating channel 112, enables the heat of the heat storage body 110 to be more thoroughly released, resulting in a better temperature rise effect in the space.

It should be further noted that the heat storage brick 100 provided in the present embodiment has the heating channel 112 and the ventilation channel 113 which are arranged in isolation from each other, and compared with the prior art in which the heating channel 112 and the ventilation channel 113 are arranged as the same channel, the function of arranging the heating channel 112 and the heat storage channel in isolation from each other is better: the heating passage 112 serves to heat the heat storage body 110, and the ventilation passage 113 serves to better release the heat stored in the heat storage body 110 into the space. In the prior art, heating and ventilation are arranged in the same channel, and the heating body 120 is used for heating and radiating heat at the same time, so that the heat storage body 110 is not heated, and heat cannot be stored as soon as possible, and loss is large. In the heat storage brick 100 provided in this embodiment, heating and ventilation are performed in different channels, and the heating body 120 generates heat and transfers the heat to the heat storage body 110 through the heat transfer medium 130. In the heat release state, heat is dissipated through the ventilation channel 113, and the heat can be better released into the space due to the fact that the heating body 120 and other structures in the prior art do not have blocking. The heat storage brick 100 provided by the embodiment has higher heat utilization rate and better temperature rise experience.

Simultaneously, it also needs to be said that, heating channel 112 and ventilation channel 113 are kept apart each other, and the setting is heating member 120 in heating channel 112 can not stretch into ventilation channel 113, and heating member 120 can not influence the gas flow in ventilation channel 113 promptly to make the gas flow in ventilation channel 113 more unobstructed, heat release is more thorough, and the temperature rise effect is also better.

Further, it should be noted that, at the same heat storage temperature, the heat storage brick 100 provided by the embodiment of the present invention has a shorter heat storage time than the similar products in the mainstream on the market. The embodiment of the utility model provides a heat accumulation brick 100 can reduce 15% -25% heat accumulation time, when promoting the heat accumulation efficiency, has also reduced the energy consumption of heat accumulation.

Taking the thermal storage electric heater comprising the thermal storage bricks 100 as an example, the thermal storage electric heater with the thermal storage bricks 100 provided by the present embodiment is compared with similar products in the prior art: similar products in the prior art reach the surface temperature of 550-600 ℃ after the heat accumulator is heated for 8 hours. By the heat storage electric heater with the heat storage bricks 100 provided by the embodiment, 6.5 hours are required to reach the same temperature range, the total input power is reduced by nearly 20%, and the energy-saving effect is remarkable.

It should be understood that the heat conducting medium 130 may be made of a material with good heat conducting properties, including but not limited to: heat-conducting silicone grease, heat-conducting silica gel, graphite gaskets, soft silica gel heat-conducting pads or other new materials with good heat-conducting property.

It can also be understood that the heating body 120 of the present embodiment may be a heating tube, an electric heating wire, or other structures made of new materials with good heating effect.

As for the structure of the heating body 120, it should be particularly noted that the structure of the heating body 120 is not particularly limited in the present embodiment. The heating body 120 is shown in the drawings as being generally linear. In some cases, the heating body 120 may have a meandering structure to increase a contact area with the heat storage body 110, thereby further improving heat storage efficiency.

In the present embodiment, the heat storage body 110 includes a first body 114 and a second body 115, the first body 114 is detachably connected to the second body 115, and the first body 114 and the second body 115 are engaged and enclose the heating passage 112 and/or the ventilation passage 113.

It should be noted that the first body 114 and the second body 115 may enclose at least one of the heating channel 112 and the ventilation channel 113, for example, in the figures, the heating channel 112 and the ventilation channel 113 are both enclosed by the first body 114 and the second body 115 when they are fitted to each other. Of course, not limited to the solution shown in the figures, the heating passage 112 may be provided on the first body 114 or the second body 115, and the ventilation passage 113 may also be provided on the first body 114 or the second body 115.

Meanwhile, it should also be understood that the heat storage body 110 is prepared by the first body 114 and the second body 115 being coupled to each other, and installation of the heating body 120 may be facilitated. At the time of manufacturing or assembling, the heating body 120 and the heat transfer medium 130 are mounted on one of the first body 114 and the second body 115, and the other is assembled. For example, the heating body 120 and the heat transfer medium 130 are mounted on the first body 114, and the second body 115 is assembled to the first body 114. Of course, the heat transfer medium 130 may be filled in the heating channel 112 in other manners.

Referring to fig. 3, optionally, the first body 114 is provided with a first heating groove 1141, and the first heating groove 1141 and the second body 115 enclose the heating channel 112. Of course, the second body 115 may be provided with a second heating groove 1151, and the second heating groove 1151 and the first body 114 enclose the heating channel 112. That is, either one of the first body 114 and the second body 115 is provided with a heating groove and encloses the heating passage 112 with the other. It should be understood that both the first body 114 and the second body 115 may be provided with heating grooves, which are oppositely disposed and enclose the heating channel 112.

In this embodiment, the first body 114 is provided with a first heating groove 1141, the second body 115 is provided with a second heating groove 1151, and the second heating groove 1151 and the first heating groove 1141 enclose the heating channel 112.

Alternatively, the first heating groove 1141 and the second heating groove 1151 are semi-circular, and the heating channel 112 defined by the two grooves is circular. Of course, the shape of the heating channel 112 is not limited thereto, and in this case, the first heating groove 1141 and the second heating groove 1151 surrounding the heating channel 112 may have a shape corresponding to the shape, for example, the heating channel 112 may have a rectangular shape, and the first heating groove 1141 and the second heating groove 1151 may have mutually matching bar-shaped grooves.

For the heating body 120 with the bent section, the heating channel 112 is also correspondingly provided with a bent portion to accommodate the bent section on the heating body 120. If the heating passage 112 is defined by the first heating groove 1141 and the second heating groove 1151, the first heating groove 1141 and the second heating groove 1151 are also provided with a shape corresponding to the bent section.

It is to be understood that the number of the heating passages 112 is not limited to one, two, etc., and in the drawing, the number of the heating passages 112 is one. The number of the heating passages 112 is not particularly limited in the present embodiment. For heating channels 112 greater than or equal to two, different heating channels 112 may have different shapes and sizes, such as some heating channels 112 being circular, others being rectangular, and others being oval. Some circular heating channels 112 have a radius of 1, others of 0.8, 1.2, etc.

When the number of the heating passages 112 is plural, they may be arranged in a size relationship, for example, from left to right, from large to small, from large in the middle to small in the two sides, etc. Or may be arranged in a shape relationship, such as a square in the middle, circular on both sides, etc.

In an alternative embodiment, the ventilation channel 113 is provided to the first body 114 and/or the second body 115.

Optionally, the first body 114 is provided with a first ventilation groove 1142, and the first ventilation groove 1142 and the second body 115 enclose the ventilation channel 113. Of course, the second body 115 may be provided with a second ventilating groove 1152, and the second ventilating groove 1152 and the first body 114 enclose the ventilating channel 113. That is, either one of the first body 114 and the second body 115 is provided with a ventilation groove and encloses a ventilation passage 113 with the other. It should be understood that both the first body 114 and the second body 115 may be provided with ventilation slots, which are oppositely disposed and enclose the ventilation channel 113.

In this embodiment, the first body 114 is provided with a first ventilation groove 1142, the second body 115 is provided with a second ventilation groove 1152, and the second ventilation groove 1152 and the first ventilation groove 1142 enclose the ventilation channel 113.

Optionally, the first ventilation groove 1142 and the second ventilation groove 1152 are semi-circular, and the ventilation channel 113 defined by the two grooves is circular. Of course, without limitation, the ventilation channel 113 may have other shapes, and in this case, the first ventilation groove 1142 and the second ventilation groove 1152 surrounding the ventilation channel 113 have shapes corresponding to the shapes, for example, the ventilation channel 113 has a rectangular shape, and the first ventilation groove 1142 and the second ventilation groove 1152 may have strip-shaped grooves which are matched with each other.

It should be noted that the extending direction of the ventilation channel 113 is the same as the gas flowing direction. The extending direction of the ventilation channel 113 is substantially straight to facilitate smooth ventilation, further ensuring heat release and temperature rise effect in the space.

In addition, it should be noted that, in addition to the first body 114 and the second body 115 cooperating with each other to define the ventilation channel 113, the ventilation channel 113 may be provided on any one of the first body 114 and the second body 115. For example, a first ventilation groove 1142 provided on the first body 114 is used as the ventilation channel 113.

In the present embodiment, the number of the ventilation channels 113 is two, and the heating channel 112 is located between the two ventilation channels 113. Of course, without being limited thereto, the number and arrangement position of the ventilation passages 113, and the number and arrangement position of the heating passages 112 may not be particularly limited. That is, in particular embodiments, the ventilation channel 113 and the heating channel 112 may be provided as desired.

When the number of the ventilation passages 113 is greater than or equal to two, different ventilation passages 113 may have different shapes and sizes, for example, some ventilation passages 113 may be circular, others may be rectangular, and others may be oval. Some of the circular ventilation channels 113 have a radius of 1, others of 0.8, 1.2, etc.

When the number of the ventilation channels 113 is plural, they may be arranged in a size relationship, for example, from left to right, from large to small, from large in the middle to small in the two sides, etc. Or may be arranged in a shape relationship, such as a square in the middle, circular on both sides, etc.

In the present embodiment, the heating passage 112 and the ventilation passage 113 extend in parallel to each other.

Referring to fig. 2, in the present embodiment, the heating channel 112 penetrates the heat storage body 110, the heat storage brick 100 further includes an end cap 140, the heating body 120 exposes one end port of the heating channel 112, and the end cap 140 seals the other end port of the heating channel 112. A heat conductive medium 130 is filled between the port and the heating body 120.

In the present embodiment, the heat storage body 110 is provided with a locking structure 116, and the locking structure 116 is used for locking two adjacent heat storage bricks 100.

Alternatively, the locking structure 116 is a groove, and the grooves of two adjacent bricks 100 can be connected by a fixing member.

Referring to fig. 1 to fig. 3, the heat storage brick 100 of the present embodiment: the heating body 120 serves to generate heat after being electrified, and the heat conductive medium 130 is disposed between the heating body 120 and the heat storage body 110 and serves to transfer heat to the heat storage body 110. The heat conducting medium 130 is used to tightly connect the heating body 120 with the inner wall of the heating channel 112, thereby ensuring the heat transfer effect and improving the heating efficiency. The ventilation channel 113 allows air to flow, so that convection is smoother, and heat stored in the heat storage body 110 can be released into the space better in a heat release state. The ventilation channel 113, which is isolated from the heating channel 112, enables the heat of the heat storage body 110 to be more thoroughly released, resulting in a better temperature rise effect in the space.

The present embodiment also provides a thermal storage apparatus including the above-described thermal storage brick 100, which should have at least similar advantageous effects to the above-described thermal storage brick 100, since the thermal storage apparatus has the above-described thermal storage brick 100.

To sum up, the embodiment of the utility model provides a heat accumulation brick 100 reaches thermal storage equipment including this heat accumulation brick 100, heat accumulation brick 100 has the characteristics that heat transfer efficiency is high, the heat accumulation time is short and the energy consumption is low, can promote the temperature rise effect in the space to simple structure, the manufacturing of being convenient for. The heat storage equipment has the characteristics of high heat transfer efficiency, short heat storage time and low energy consumption, and can improve the temperature rise effect in the space.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The heat storage brick is characterized by comprising a heat storage body, a heating body and a heat conducting medium, wherein the heat storage body is provided with a heating channel and a ventilation channel which are mutually isolated, the heating body is arranged in the heating channel, the heat conducting medium is filled in the heating body and between the heating channels, and the ventilation channel is communicated with the heat storage body.

2. The heat storage brick according to claim 1, wherein the heat storage body comprises a first body and a second body detachably connected to each other, the first body and the second body being fitted and enclosing the heating passage and/or the ventilation passage.

3. The heat storage brick according to claim 2, wherein the first body is provided with a first heating groove, and the first heating groove and the second body enclose the heating passage.

4. A heat storage brick according to claim 3 wherein the second body is provided with a second heating groove which encloses the heating passage with the first heating groove.

5. The heat storage brick according to any one of claims 2 to 4, wherein the first body is provided with a first ventilation groove, the first ventilation groove and the second body enclosing the ventilation passage.

6. The heat storage brick according to claim 5, wherein the second body is provided with a second vent groove that encloses the vent passage with the first vent groove.

7. A thermal storage brick according to any one of claims 2-4, characterized in that the ventilation channel is provided in the first body and/or the second body.

8. The thermal storage brick according to any one of claims 1 to 4, wherein the heating channels and the ventilation channels extend in parallel directions.

9. The thermal storage brick according to any one of claims 1 to 4, wherein the heating channel passes through the thermal storage body, the thermal storage brick further comprises an end cap, the heating body exposes one end port of the heating channel, and the end cap blocks the other end port of the heating channel.

10. A thermal storage apparatus comprising a thermal storage brick according to any one of claims 1 to 9.

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