CN214148107U - Wall low-temperature radiation electric heating structure - Google Patents
Wall low-temperature radiation electric heating structure Download PDFInfo
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- CN214148107U CN214148107U CN202021951093.3U CN202021951093U CN214148107U CN 214148107 U CN214148107 U CN 214148107U CN 202021951093 U CN202021951093 U CN 202021951093U CN 214148107 U CN214148107 U CN 214148107U
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Abstract
The utility model belongs to the technical field of heating system, concretely relates to wall low temperature radiation electric heat heating structure, include: the heat insulation layer is arranged on the upper surface of the wall body; the electric heating layer is arranged on the upper surface of the heat insulation layer; the composite wall surface is arranged on the upper surface of the electric heating layer; the electric heating layer is an electric heating rod, the electric heating rod is composed of graphite and a resin insulation skin, the graphite is wrapped in the resin insulation skin, and a plurality of electric heating rods are connected into a net shape through power lines by adopting connectors and are communicated with a power supply; the inside interval embedding keel structure of heat insulation layer, keel structure is fixed in on the wall body. The wall low temperature radiation electric heating system of this scheme of adoption has effectively solved wall electric heating equipment life-span among the prior art short, the radiation effect is poor, not pleasing to the eye scheduling problem.
Description
Technical Field
The utility model belongs to the technical field of heating system, concretely relates to wall low temperature radiation electric heat heating structure.
Background
At present, most of indoor heating of various industrial or civil buildings utilizes a boiler to drive indoor radiators to heat, the heating mode has large one-time investment, and the boiler burns coal to pollute the environment. Some electric heaters, electric heating furnaces and the like have poor heating effect due to large power consumption and heat dissipation loss.
With the improvement of living standard of people, the share of wall heating products in the household heating market is higher and higher. Compared with floor heating, wall heating is adopted in wall heating, namely heating equipment is mounted on a wall. At present, wall heating generally adopts a modular design, and heating equipment is designed into a module to be hung on a wall. However, the existing wall heating products still have the problems of short service life, poor radiation effect, unattractive appearance and the like.
In view of the above, there is a need to improve an electric heating system for wall surface in the prior art to solve the problems of short service life, poor radiation effect, and poor appearance of the above electric heating device for wall surface.
Disclosure of Invention
The utility model aims to solve the problems of short service life, poor radiation effect, unattractive appearance and the like of the wall electric heating equipment in the prior art, and provides a wall low-temperature radiation electric heating structure.
Realize the utility model discloses the technical scheme of purpose as follows:
a wall surface low-temperature radiation electric heating structure comprises:
the heat insulation layer is arranged on the upper surface of the wall body;
the electric heating layer is arranged on the upper surface of the heat insulation layer;
the composite wall surface is arranged on the upper surface of the electric heating layer;
the electric heating layer is an electric heating rod, the electric heating rod is composed of graphite and a resin insulation skin, the graphite is wrapped in the resin insulation skin, and a plurality of electric heating rods are connected in parallel through power lines by adopting connectors and are communicated with a power supply;
the inside interval embedding keel structure of heat insulation layer, keel structure is fixed in on the wall body.
As a further improvement of the scheme, the heat insulation layer is a non-veneered glass fiber cotton felt, and the thickness of the heat insulation layer is 30-50 mm.
As a further improvement of the scheme, the electric heating layer is arranged on the wall surface part 200-2000mm away from the ground.
As a further improvement of the scheme, the heat insulation layer protrudes out of the keel structure by 5-10 mm.
As a further improvement of the scheme, the number of the electric heating rods of the electric heating layer satisfies the following relational expression:
N=（1+k）P/Pm
n-the number (m) of the required electric heating rods; p-room thermal load value (w); pm-the effective power (w) of each meter of electric heating rod to a heating room; k-additional operating coefficients.
As a further improvement of this solution, the room heat load value during heating satisfies the following relational expression:
P=α*Qj+qh*M
Qj=ß*f*k1*（tn-tw）
wherein, alpha-correction coefficient of intermittent heating; qj-room base heat load (w); qh-average heat transfer quantity between rooms in unit area, and 7w/m is taken2(ii) a M-Room area of use (M)2) (ii) a Beta-envelope structure temperature difference correction coefficient; f-area of the enclosure (m)2）；k1-heat transfer coefficient of the building envelope ([ w/(m))2K)), or a pharmaceutically acceptable salt thereof; tn-heating indoor temperature (deg.C); tw-heating outdoor temperature ((C))℃）。
As a further improvement of the scheme, the temperature-sensing device further comprises a temperature-sensing probe, wherein the temperature-sensing probe is arranged on one side, close to the electric heating layer, of the heat insulation layer and is connected with the temperature controller through a signal wire.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) compared with the prior art, the utility model discloses a wall low temperature radiation electric heating structure, set gradually heat insulation layer, electric heat layer and compound wall on the upper surface layer of wall body, and fix heat insulation layer, electric heat layer and compound wall on the wall body through keel structure, simple structure, convenient installation, and, the electric heat layer adopts the electric heat stick (electric heat strip), the far infrared emissivity is electric heat conversion efficiency and reaches up to 90.3%, can greatly reduce the loss of heat in the transmission process, save the electric resource and heat effectually, heat transfer rate is fast, simultaneously, far infrared can be absorbed by the human body, activate the cell, improve microcirculation, promote metabolism, the heating effect is comfortable; in addition, the electric heating rod also has the function of self-limiting temperature, the surface working temperature does not exceed 60 ℃, and the safety performance is good; the electric heating layer is directly connected with a power supply, household metering can be realized, the temperature can be controlled in different chambers and different time, and the service life is prolonged.
(2) The utility model discloses a wall low temperature radiation electric heat heating structure can be selected the quantity of electric heat stick in the electric heat layer according to the regional area size of will heating to reach energy-conserving, efficient purpose, simultaneously, can also guarantee that the heating effect is more comfortable.
Drawings
FIG. 1 is a schematic structural view of a wall electric heating system of the present invention;
wherein, 1, wall body; 2. a heat insulating layer; 3. an electric heating layer; 4. compounding the wall surface; 5. a keel structure; 6. and (7) a temperature controller.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; 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 meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
the wall low temperature radiation electric heating structure of this embodiment includes: the heat insulation layer 2 is arranged on the upper surface of the wall body 1; the electric heating layer 3 is arranged on the upper surface of the heat insulating layer 2; the composite wall surface 4 is arranged on the upper surface of the electric heating layer 3; the electric heating layer (3) is an electric heating rod, the electric heating rod is composed of graphite and a resin insulation skin, the graphite is wrapped in the resin insulation skin, and a plurality of electric heating rods are connected in parallel through power lines by adopting connectors and are communicated with a power supply; the inside interval embedding keel structure 5 of heat insulation layer 2, keel structure 5 is fixed in on the wall body 1, and heat insulation layer 2 should bulge keel structure 5 about 5-10 mm.
When the electric heating wall is installed, the metal keel is used as a framework structure, the heat insulation layer 2, the electric heating layer 3 and the composite wall surface 4 are fixed on the wall body 1 in sequence, the structure is simple, the installation is convenient, in addition, the electric heating layer adopts an electric heating rod (electric heating strip), the far infrared emissivity, namely the electric heating conversion efficiency is as high as 90.3%, the heat loss in the transmission process can be greatly reduced, the electric resources are saved, the heating effect is good, the heat transfer speed is high, meanwhile, the far infrared rays can be absorbed by the human body, the cells are activated, the microcirculation is improved, the metabolism is promoted, and the heating effect is comfortable; in addition, the electric heating rod also has the function of self-limiting temperature, the surface working temperature does not exceed 60 ℃, and the safety performance is good; the electric heating layer is directly connected with a power supply, household metering can be realized, the temperature can be controlled in different chambers and different time, and the service life is prolonged.
Specifically, the electric heating rod is fixed in a bottom groove of the longitudinal keel structure along two sides of the electric heating rod by adopting plastic nails, adhesive tapes and the like, and the nail distance is 300 mm; parallelly connected between the electric heat stick, every electric heat stick (strip) comprises oval graphite outsourcing tree insulation crust, and the major axis is not less than 8mm, and the minor axis is not less than 5mm, and electric heat stick (strip) couples with the power cord through dedicated connector (waterproof leak protection electricity connector), and the release heat satisfies the heating demand after the circular telegram. The electric heating rod is fixed on the insulating layer by adopting plastic nails, adhesive tapes and the like.
The graphite is specifically conductive carbon, and the resin is an insulating sheath made of carbon black, polypropylene, ethylene-propylene copolymer, or the like. The heating principle of the electric heating rod is as follows: when the temperature of the heating element is low, the bonding state of carbon is dense, and therefore, many current paths exist, and at this time, the resistance value is small, and therefore, the heat generation amount is large; in contrast, when the temperature of the heating element is high, the resin expands due to heat, the distance between carbons increases, the current path decreases, and the resistance value at this time is large, so the amount of heat generation is small.
Example 2
Compared with the embodiment 1, the wall surface low-temperature radiation electric heating structure of the embodiment, furthermore, the heat insulating layer 2 is the veneerless glass fiber cotton felt, the thickness of the heat insulating layer is 30-50mm, and the total thermal resistance of the composite wall surface 4 is not more than 0.114 (m is m)2K)/w, the total thickness being not more than 15 mm. The electric heating layer 3 is arranged on the wall surface part 200-2000mm away from the ground surface, so that the safety is ensured.
After finishing decoration, the wall surface is not required to be decorated for the second time, and the wall surface can be decorated, for example, a picture is hung on the surface, so that the attractiveness of the wall surface is improved.
It should be noted that within the heating range of the electric heating system, the electric heating system should not have any overlapping phenomenon, and the distance between the systems is not less than 80mm, meanwhile, the electric heating system should not be arranged in the area covered by furniture and the like.
The heat insulating layer 2 protrudes the keel structure 5 by about 5-10mm to avoid thermal bridges.
When the thermal insulation material is installed, a keel structure is not adopted for fixing, the thermal insulation layer 2 is laid in a sticking mode, and the adhesive and the thermal insulation material are ensured to be adaptive.
Example 3
Compared with the embodiment 2, the wall surface low-temperature radiation electric heating structure of the embodiment further has the following relationship that the number of the electric heating rods of the electric heating layer 3 satisfies:
N=（1+k）P/Pm
n-the number (m) of the required electric heating rods; p-room thermal load value (w); pm-the effective power (w) of each meter of electric heating rod to a heating room; k-additional operating coefficients.
As a further improvement of this solution, the room heat load value during heating satisfies the following relational expression:
P=α*Qj+qh*M
Qj=ß*f*k1*（tn-tw）
wherein, alpha-correction coefficient of intermittent heating; qj-room base heat load (w); qh-average heat transfer quantity between rooms in unit area, and 7w/m is taken2(ii) a M-Room area of use (M)2) (ii) a Beta-envelope temperature differenceA correction factor; f-area of the enclosure (m)2）；k1-heat transfer coefficient of the building envelope ([ w/(m))2K)), or a pharmaceutically acceptable salt thereof; tn-heating indoor temperature (deg.C); tw-heating outdoor temperature (deg.c).
The quantity of the electric heating rods in the electric heating layer 3 is guaranteed to meet the expression, the quantity of the electric heating rods in the electric heating layer can be selected according to the area size of the area to be heated, the purposes of energy conservation and high efficiency are achieved, and meanwhile, the heating effect can be guaranteed to be more comfortable.
In addition, for the better temperature to electric heat layer 3 regulates and control, still include temperature sensing probe, temperature sensing probe sets up and is close to 3 one sides of electric heat layer in heat insulation layer 2, temperature sensing probe passing signal line links to each other with the temperature controller, wherein the height such as the position and the light switch of temperature controller, and the outside of the connecting wire of temperature controller and temperature sensing probe all wraps up the PC20 spool, need notice, the temperature controller should set up different wall with electric heating system to improve the security, through setting up temperature sensing probe and temperature controller, when guaranteeing that electric heating equipment surface temperature reaches the upper limit value of settlement, can the automatic power failure, play the effect of protection.
The power supply in the above embodiments adopts various known power supply circuit structures, a power distribution loop of the power supply is to be led from a distribution box of a private branch office in a house, each branch power distribution loop is to be separated from power utilization systems such as lighting, sockets and air conditioners and is separately arranged, specifically, an electric heating rod is connected to the distribution box through a power line, a distribution line adopts a residual current operated protector, the residual current operated protector has a function of automatically cutting off a fault power supply, and the residual current operated current value is not to be larger than 30 mA.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A wall low-temperature radiation electric heating structure is characterized by comprising:
the heat insulation layer (2), the heat insulation layer (2) is arranged on the upper surface of the wall body (1);
the electric heating layer (3) is arranged on the upper surface of the heat insulation layer (2);
the composite wall surface (4), the composite wall surface (4) is arranged on the upper surface of the electric heating layer (3);
the electric heating layer (3) is an electric heating rod, the electric heating rod is composed of graphite and a resin insulation skin, the graphite is wrapped in the resin insulation skin, and a plurality of electric heating rods are connected in parallel through power lines by adopting connectors and are communicated with a power supply;
the heat insulation layer (2) is embedded into the keel structure (5) at the inner part of the heat insulation layer, and the keel structure (5) is fixed on the wall body (1).
2. The wall surface low-temperature radiation electric heating structure as claimed in claim 1, wherein the heat insulating layer (2) is a non-faced glass wool felt with a thickness of 30-50 mm.
3. The wall surface low-temperature radiation electric heating structure as claimed in claim 1, wherein the electric heating layer (3) is installed at a wall surface position 200-2000mm away from the ground.
4. A wall surface low temperature radiation electric heating construction as claimed in claim 1, wherein the heat insulating layer (2) is protruded 5-10mm from the keel structure (5).
5. A wall surface low-temperature radiation electric heating structure according to claim 1, characterized in that the number of the electric heating rods of the electric heating layer (3) satisfies the following relational expression:
N=（1+k）P/Pm
n-the number (m) of the required electric heating rods; p-room thermal load value (w); pm-the effective power (w) of each meter of electric heating rod to a heating room; k-additional operating coefficients.
6. A wall surface low-temperature radiation electric heating structure as claimed in any one of claims 1 to 5, further comprising a temperature sensing probe, wherein the temperature sensing probe is arranged on one side of the heat insulating layer (2) close to the electric heating layer (3), and the temperature sensing probe is connected with a temperature controller through a signal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021951093.3U CN214148107U (en) | 2020-09-09 | 2020-09-09 | Wall low-temperature radiation electric heating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021951093.3U CN214148107U (en) | 2020-09-09 | 2020-09-09 | Wall low-temperature radiation electric heating structure |
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| Publication Number | Publication Date |
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| CN214148107U true CN214148107U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021951093.3U Active CN214148107U (en) | 2020-09-09 | 2020-09-09 | Wall low-temperature radiation electric heating structure |
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| CN (1) | CN214148107U (en) |
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