CN210532510U - Electromagnetic induction floor heating system - Google Patents
Electromagnetic induction floor heating system Download PDFInfo
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- CN210532510U CN210532510U CN201921425666.6U CN201921425666U CN210532510U CN 210532510 U CN210532510 U CN 210532510U CN 201921425666 U CN201921425666 U CN 201921425666U CN 210532510 U CN210532510 U CN 210532510U
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Abstract
The utility model discloses an electromagnetic induction floor heating system, which belongs to the technical field of floor heating and comprises an electromagnetic induction coil, a metal layer, a floor and a control system; the metal layer is arranged on the back surface of the floor, and the electromagnetic induction coil is embedded below the floor; control system includes rectifier and power conversion device, the rectifier is used for converting external current voltage into the direct current, power conversion device be used for with the direct current converts the medium-high frequency alternating current and transmits it for electromagnetic induction coil, power conversion device respectively with the rectifier with electromagnetic induction coil electric connection, the utility model has the advantages of the intensification is fast, heat-conduction efficiency is high, the heat loss is little.
Description
Technical Field
The utility model relates to a warm up technical field, more specifically say, it relates to an electromagnetic induction underfloor heating system.
Background
The floor heating is short for floor radiation heating, the whole floor is used as a radiator, the whole floor is uniformly heated through a heating medium in a floor radiation layer, and the heating purpose is achieved by conducting from bottom to top by utilizing the law of heat storage and upward radiation of the floor.
At present, floor heating systems in the market are divided into two types of water heating and electric floor heating.
The water heating system has the following disadvantages:
1. pipelines are laid below the floor, so that the heat loss is large, the heating is uneven, the heating speed is slow, and the floor is easy to damage;
2. mechanical and electronic systems are precise and complex, and have high cost and high failure rate;
3. the water and electricity integrated system is difficult to control the temperature, and the use efficiency in a single room is extremely low.
As shown in figure 1, the electric floor heating mainly comprises two types, one type is that an electric heating film 13 is attached to the back of a floor 7, a polymer heat insulation layer 12 is arranged on the back of the electric heating film 13, a waterproof cable is connected with the electric heating film 13 to electrify the electric heating film 13, and the waterproof cable is connected with a power supply controller 14.
Although the problems of low heating speed and low working efficiency of the water heating system are solved, the electric floor heating system has the following problems:
1. after the electric heating film is attached, the floor cannot be cut, so that the floor is troublesome to lay;
2. the polymer heat insulation layer is positioned between the floor and the concrete layer, so that the floor is easy to damage when being pressed and impacted;
3. each floor needs an electrothermal film and a joint, so that the waterproof and electricity-proof performance is poor;
4. the mixed construction of clay workers and electricians is required, so that the difficulty is high;
5. after the floor is locally damaged, the floor is not easy to disassemble and replace.
As shown in fig. 2, the other electric floor heating system adopts the pre-embedded carbon fiber heating wire, and although the electric floor heating system is simple in design and low in cost, the electric floor heating system is low in heat conduction efficiency, large in power consumption and slow in temperature rise, so that the popularization and the use of products are restricted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an electromagnetic induction underfloor heating system has fast, the heat-conduction is efficient, the little advantage of heat loss of intensification.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an electromagnetic induction floor heating system comprises an electromagnetic induction coil, a metal layer, a floor and a control system;
the metal layer is arranged on the back surface of the floor, and the electromagnetic induction coil is embedded below the floor;
the control system comprises a rectifier and a power conversion device, the rectifier is used for converting external current and voltage into direct current, the power conversion device is used for converting the direct current into medium-high frequency alternating current and transmitting the medium-high frequency alternating current to the electromagnetic induction coil, and the power conversion device is electrically connected with the rectifier and the electromagnetic induction coil respectively.
Through above-mentioned technical scheme, heat the floor through the electromagnetic induction principle. The alternating current of the household circuit generates a magnetic field through the electromagnetic induction coil below the floor, and when a magnetic line of force in the magnetic field passes through the metal layer, eddy current is generated, so that the floor is rapidly heated, and the purpose of heating the floor is achieved. The working process is as follows: the alternating voltage is converted into direct current through the rectifier, the direct current is converted into medium-high frequency alternating current through the power conversion device, and the medium-high frequency alternating current is applied to the flat electromagnetic induction coil, so that a medium-high frequency alternating magnetic field is generated. The Chinese continental family circuit is 50HZ, 220V alternating current, belonging to low-frequency alternating current. Generally, the higher the frequency, the less vibration and noise. When the low-frequency mode is adopted, the power frequency commercial power can be used for direct energization, a medium-frequency or high-frequency power conversion device is not needed, the heat efficiency is low, and special treatment needs to be carried out on the floor. Therefore, in order to obtain better heat conduction, a power conversion device is required to convert the current into the alternating current of the medium frequency and above so as to obtain better heating effect of the floor. Compared with the existing electric floor heating, the utility model has the advantages of high heat conduction efficiency, fast temperature rise, small heat loss, energy conservation, safe and reliable use, local floor replacement, random cutting and the like.
More preferably: the control system further comprises a temperature controller and a temperature sensor, the temperature sensor is pre-embedded below the floor and close to the electromagnetic induction coil, and the temperature controller is electrically connected with the temperature sensor and the electromagnetic induction coil respectively;
the temperature sensor is used for detecting the peripheral temperature of the electromagnetic induction coil and transmitting a temperature signal to the temperature controller, and the temperature controller is used for controlling the on-off of the power supply of the electromagnetic induction coil according to the temperature signal transmitted by the temperature sensor.
More preferably: the metal layer is a ferromagnetic metal layer.
More preferably: the metal layer comprises an upper layer and a lower layer, wherein the upper layer is a ferromagnetic metal layer, and the lower layer is a metal aluminum layer.
More preferably: the electromagnetic induction coil is a flat coil; and a ferromagnetic material is arranged on the back surface of the electromagnetic induction coil.
Through above-mentioned technical scheme, the pancake coil coiling, closely level between circle and the circle, increased the effective sectional area of wire rod, increased electromagnetic induction coil's temperature rise electric current, the magnetism decreases lowly, has reduced electromagnetic induction coil's the thickness of mating formation, and can play better guard action to electromagnetic induction coil, prevents that electromagnetic induction coil pressurized from being damaged.
More preferably: the ferromagnetic material is ferrite.
Through the technical scheme, the ferrite is a metal oxide with ferrimagnetism, the resistivity of the ferrite is much larger than that of a simple substance metal or an alloy magnetic material in terms of electrical characteristics, the ferrite also has higher dielectric properties, and the magnetic properties of the ferrite also show higher magnetic conductivity in high frequency. The ferrite is convenient to generate a magnetic flux loop, leads the magnetic circuit to the heating surface on the back surface of the floor, and can effectively improve the heating efficiency.
More preferably: the electromagnetic induction coils are wound from outside to inside to form a plurality of closed loops, and gaps are arranged between adjacent closed loops.
More preferably: still include radiation protection electromagnetic shield layer and concrete layer, electromagnetic induction coil lays the concrete layer surface, the radiation protection electromagnetic shield layer is located the concrete layer bottom surface.
More preferably: the distance between the electromagnetic induction coil and the metal layer is 1-10 mm.
More preferably: the thickness of the metal layer is 0.1-2 mm.
To sum up, the utility model discloses following beneficial effect has: the heat-conduction inefficiency that exists warms up to current electricity low, heat and heat up slowly, the energy consumption is big, easy breakage, waterproof nature is poor, the easy electric leakage scheduling problem, the utility model provides a brand-new scheme makes the electricity warm up to have better system reliability, and construction convenience, and it is fast and controllable to heat up, and heat-conduction efficiency is high, and is energy-concerving and environment-protective, uses safe and reliable, but local change floor, can cut at will. Because the floor is induction heating, the floor is not physically connected with each part, the convenience is brought to the splicing design, cutting and local crushing and replacement of the floor, and the construction is simpler. The ferromagnetic metal and the radiation-proof electromagnetic shielding layer can absorb medium-high frequency heat energy and electromagnetic radiation, and do not harm human health. The medium-high frequency alternating magnetic field generated by the electromagnetic induction coil embedded below the floor enables the metal layer on the back of the floor to generate an electromagnetic induction eddy current effect, the eddy current overcomes the internal resistance flow of the metal layer, the conversion of electric energy to heat energy is completed, the purpose of heating the floor is achieved, and the energy efficiency is high.
Drawings
Fig. 1 is a schematic partial cross-sectional view of an existing electric floor heating system, which is mainly used for embodying the structure of the existing electric floor heating system;
fig. 2 is a schematic structural diagram of an existing electric floor heating, which is mainly used for embodying an existing electric floor heating structure with a carbon fiber heating wire embedded;
fig. 3 is a schematic structural diagram in embodiment 1, which is mainly used for embodying a pre-buried arrangement manner of the electromagnetic induction floor heating system;
fig. 4 is a schematic partial cross-sectional view in embodiment 1, which is mainly used for embodying a specific structure of an electromagnetic induction floor heating system;
fig. 5 is a schematic structural diagram in embodiment 1, which is mainly used for embodying a back structure of an electromagnetic induction coil;
fig. 6 is a schematic structural diagram in embodiment 2, which is mainly used for embodying the structural design of the metal layer.
In the figure, 1, an electromagnetic induction coil; 101. an outer ring; 102. a middle ring; 103. an inner ring; 2. a cable; 3. a concrete layer; 4. a wire terminal; 51. a temperature sensor; 6. a control box; 7. a floor; 8. a metal layer; 81. an upper layer; 82. a lower layer; 9. a radiation-proof electromagnetic shielding layer; 10. a base layer; 11. a gap; 12. a polymer heat insulation layer; 13. an electrothermal film; 14. a power supply controller; 15. a ferromagnetic material.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1: an electromagnetic induction floor heating system is shown in figures 3, 4 and 5, and comprises an electromagnetic induction coil 1, a metal layer 8, a floor 7, a control system, a control box 6, a cable 2, a concrete layer 3 and a radiation-proof electromagnetic shielding layer 9 laid on an original ground or floor base layer 10. The metal layer 8 is a ferromagnetic metal layer, and the metal layer is sprayed on the back surface of the floor 7 by a plasma spraying technology, so that a layer of ferromagnetic metal containing iron, nickel and the like is formed on the back surface of the floor 7. The thickness of the metal layer 8 is 0.1 to 2mm, and preferably, the thickness of the metal layer 8 is 1.5 mm.
In the technical scheme, the ferromagnetic material enables the heating load to be matched with the induced eddy current in the heating process, the energy conversion rate is high, and the magnetic field leakage is relatively small. The thin metal layer 8 can heat the floor 7 quickly, but the metal layer 8 is easily deformed and falls off due to local uneven heating, the thick metal layer 8 is heated uniformly but the heating speed is slow, and the metal layer 8 with the thickness of 1.5mm is suitable. In addition, the ferromagnetic metal also has good electromagnetic shielding performance, can shield electromagnetic radiation, prevents radiation from leaking outwards, and reduces the harm to human bodies.
In this embodiment, the floor 7 with the metal layer 8 may be formed by spraying the metal layer 8 on the back surface of the ordinary floor 7 by a thermal spraying process, or by bonding the metal layer 8 to the ordinary floor 7.
Referring to fig. 3, 4 and 5, the electromagnetic induction coil 1 is pre-buried under the floor 7 and close to the metal layer 8, and the electromagnetic induction coil 1 is a flat coil. Electromagnetic induction coil 1 lays on concrete layer 3 surface, and electromagnetic induction coil 1 need lay before the concrete is uncured before to make electromagnetic induction coil 1 fix on concrete layer 3 surface. The electromagnetic induction coil 1 is wound from outside to inside to form three closed loops, namely an outer loop 101, a middle loop 102 and an inner loop 103, and a gap 11 for filling concrete is arranged between the adjacent closed loops. The closed loop may be a circular loop, a square loop, an oval loop, etc., and is not particularly limited herein. Ferromagnetic material 15 is fixed on the back of the electromagnetic induction coil 1, preferably, six ferromagnetic materials 15 are arranged, and six ferromagnetic materials 15 are uniformly distributed on the back of the electromagnetic induction coil 1. Specifically, the ferromagnetic material 15 is a ferrite magnetic stripe or a ferrite magnetic sheet.
In the technical scheme, in order to prevent the electromagnetic induction coil 1 from moving under the floor 7 and causing abrasion of the electromagnetic induction coil 1, the electromagnetic induction coil 1 must be fixed on the surface of the concrete layer 3, when the electromagnetic induction coil 1 is installed, needs to be laid before the concrete is cured, when the electromagnetic induction coil 1 is flatly laid on the surface of the concrete, because the concrete is not cured, part of the concrete is filled in the gaps 11 between the adjacent closed loops, and after the concrete is cured, the electromagnetic induction coil 1 is embedded on the surface of the concrete, the concrete filled in the gap 11 of the electromagnetic induction coil 1 is fixed with the back of the floor 7, thereby realizing the uniform fixation of points, surfaces and surfaces, improving the installation firmness of the floor 7, meanwhile, the electromagnetic induction coil 1 is well protected, and the floor 7 is prevented from being directly pressed on the electromagnetic induction coil 1 to cause damage to the electromagnetic induction coil 1. The ferromagnetic material 15 is arranged on the back surface of the electromagnetic induction coil 1, so that a magnetic flux loop can be generated conveniently, the magnetic circuit is led to the heating surface on the back surface of the floor 7, and the heating efficiency can be effectively improved.
Referring to fig. 3, 4 and 5, the distance between the electromagnetic induction coil 1 and the metal layer 8 is 1-10mm, and preferably the distance between the electromagnetic induction coil 1 and the metal layer 8 is 5 mm.
In the technical scheme, if the electromagnetic induction coil 1 and the metal layer 8 are separated too far, an eddy current effect cannot be generated, and a thicker hollow area is formed below the floor 7; if the electromagnetic induction coil 1 is completely attached to the back of the floor 7, the electromagnetic induction coil 1 bears partial pressure of the floor 7, so that the electromagnetic induction coil 1 is easy to damage, and therefore, the distance between the electromagnetic induction coil 1 and the metal layer 8 is set to be 1-10mm, which is more suitable.
Referring to fig. 3, 4, 5, cable 2 tiles on concrete layer 3 surface, and cable 2 is waterproof four-core cable and has shielding structure, installs a plurality of waterproof wire joint 4 on cable 2, and electromagnetic induction coil 1 passes through wire joint 4 and cable 2 electric connection. According to user's requirement and warm up and lay the area, can install a plurality of electromagnetic induction coils 1 in the same room, a plurality of electromagnetic induction coils 1 equipartitions are on concrete layer 3 surfaces. The outer surface of the electromagnetic induction coil 1 is wrapped with an insulating waterproof layer for protecting the electromagnetic induction coil 1.
In this technical scheme, electromagnetic induction coil 1 and cable 2 are laid in 7 below on the floor, and humidity is great, and often water permeates through 7 below on the floor, consequently for protection electromagnetic induction coil 1 and cable 2, prevent that electromagnetic induction coil 1 and cable 2 are impaired to be damped, wrap up in insulating waterproof layer at 1 surface of electromagnetic induction coil to adopt waterproof cable, reduce the later stage maintenance, use safe and reliable, prevent potential safety hazards such as electric leakage.
Referring to fig. 3, 4, 5, the control system includes a rectifier, a power conversion device, a thermostat, and a temperature sensor 51. The rectifier is used for converting external current and voltage into direct current, the power conversion device is used for converting the direct current into medium-high frequency alternating current and transmitting the medium-high frequency alternating current to the electromagnetic induction coil 1, and the power conversion device is electrically connected with the rectifier and the electromagnetic induction coil 1 respectively. The power conversion device is a medium-frequency power conversion device or a high-frequency power conversion device. Preferably, the power conversion device is an intermediate frequency power conversion device, and is configured to convert the direct current transmitted from the rectifier into an intermediate frequency alternating current of 20KHz to 25KHz and transmit it to the electromagnetic induction coil 1. The rectifier, the power conversion device, the thermostat, and the temperature sensor 51 are all related art, and thus specific models of the rectifier, the power conversion device, the thermostat, and the temperature sensor 51 are not particularly limited herein.
In this solution, the floor 7 is heated by the electromagnetic induction principle. The alternating current passes through the electromagnetic induction coil 1 below the floor 7 to generate a magnetic field, and when a magnetic line of force in the magnetic field passes through the metal layer 8, eddy current is generated to enable the floor 7 to rapidly heat up, so that the purpose of heating the floor 7 is achieved. The working process is as follows: the alternating voltage is converted into direct current through a rectifier, the direct current is converted into medium-high frequency alternating current through a power conversion device, and the medium-high frequency alternating current is applied to the flat electromagnetic induction coil 1, so that a medium-high frequency alternating magnetic field is generated. The Chinese continental family circuit is 50HZ, 220V alternating current, belonging to low-frequency alternating current. Generally, the higher the frequency, the less vibration and noise. When the low-frequency mode is adopted, the power frequency commercial power can be used for direct energization, a medium-frequency or high-frequency power conversion device is not needed, the heat efficiency is low, and special treatment needs to be carried out on the floor 7. Therefore, in order to obtain a good heat conduction, it is necessary to provide a power conversion device for converting the current into an alternating current of a medium frequency or higher so as to obtain a good heating effect of the floor 7.
Referring to fig. 3, 4 and 5, the temperature sensor 51 is pre-embedded under the floor 7 and close to the electromagnetic induction coil 1, and the temperature controller is electrically connected with the temperature sensor 51 and the electromagnetic induction coil 1 respectively. The temperature sensor 51 is used for detecting the temperature around the electromagnetic induction coil 1 and transmitting a temperature signal to the temperature controller, and the temperature controller is used for controlling the on-off of the power supply of the electromagnetic induction coil 1 according to the temperature signal transmitted by the temperature sensor 51. The control box 6 is located above the buried plane and can be installed on the wall surface of a room, and the temperature controller, the rectifier and the power conversion device are all accommodated in the control box 6 for hidden protection.
In the technical scheme, each floor heating area, namely each room, is provided with an independent temperature controller and a temperature sensor 51 corresponding to the independent temperature controller, and the independent heat supply control is realized for the floor heating area (room). The electromagnetic induction coil 1, the cable 2 and the temperature sensor 51 of the buried part of the electromagnetic induction floor heating system are all parts which are simple in structure and convenient to install and move, have the advantages of high reliability and maintenance-free performance through a waterproof insulation process, and the temperature controller, the rectifier and the power conversion device which are responsible for automatic temperature control are installed on the buried part, so that the maintenance, the detection and the control are all convenient.
Referring to fig. 3, 4 and 5, the electromagnetic induction coil 1 is laid on the surface of the concrete layer 3, and the radiation-proof electromagnetic shielding layer 9 is positioned between the bottom surface of the concrete layer 3 and the top surface of the foundation layer 10.
In the technical scheme, the radiation-proof electromagnetic shielding layer 9 has a good electromagnetic shielding effect, plays roles of absorbing energy (eddy current loss), reflecting energy (interface reflection of electromagnetic waves on the radiation-proof electromagnetic shielding layer 9) and offsetting energy (electromagnetic induction generates a reverse electromagnetic field on the radiation-proof electromagnetic shielding layer 9 to offset part of interference electromagnetic waves) on external interference electromagnetic waves and internal electromagnetic waves from the electromagnetic induction coil 1, the cable 2, a control system and the like, has a function of weakening interference, and is safe and reliable to use.
The laying method of the electromagnetic induction floor heating system comprises the following steps:
s1, laying a layer of anti-radiation electromagnetic shielding layer 9 on the surface of the ground or floor base layer 10;
s2, casting concrete on the surface of the radiation-proof electromagnetic shielding layer 9 in situ and leveling, before the concrete is cured, paving the electromagnetic induction coil 1 on the surface of the concrete, and enabling the gap 11 between adjacent closed loops of the electromagnetic induction coil 1 to be fully distributed with the concrete;
s3, before concrete is cured, paving the temperature sensor 51 on the surface of the concrete to enable the temperature sensor 51 to be close to the electromagnetic induction coil 1, then connecting the temperature sensor 51 and the electromagnetic induction coil 1 through a cable 2 to enable the temperature sensor 51 to be electrically connected with a temperature controller, electrically connecting the electromagnetic induction coil 1 with the temperature controller and a frequency converter respectively, and installing the control box 6 on a wall surface or other positions outside an embedded area of the electromagnetic induction coil 1;
s4, spraying the metal layer 8 on the back of the floor 7 through a plasma spraying technology, and paving the floor 7 on the surface of concrete before the concrete is cured so that the electromagnetic induction coil 1 is pre-embedded below the floor 7, and obtaining the concrete layer 3 after the concrete is cured.
In this technical scheme, need not lay the pipeline in floor 7 below, only need arrange electromagnetic induction coil 1 and temperature sensor 51, and connect through cable 2, make 2 one end of cable extend and be connected with control box 6 to the pre-buried regional extension of electromagnetic induction coil 1, electromagnetic induction ground that electromagnetic induction warms up buries partial electromagnetic induction coil 1, cable 2 and temperature sensor 51, it is comparatively simple all to be the structure, the installation removes comparatively convenient part, it has high reliability and non-maintaining advantage to make it through waterproof insulation process, and the temperature controller and the rectifier and the power conversion device that are responsible for automatic temperature control install on burying, the maintenance, it is all comparatively convenient to detect and control. The metal layer 8 may be attached to the back surface of the floor panel 7.
Example 2: referring to fig. 6, the difference from embodiment 1 is that the metal layer 8 includes an upper layer 81 and a lower layer 82, the upper layer 81 being a ferromagnetic metal layer, and the lower layer 82 being a metal aluminum layer. The upper layer 81 has a thickness of 0.2 to 1.9mm and the lower layer 82 has a thickness of 0.1 to 0.5mm, and preferably, the upper layer 81 has a thickness of 1.5mm and the lower layer 82 has a thickness of 0.5 mm.
In the technical scheme, the metal layer 8 is arranged into an upper layer and a lower layer, the upper layer 81 is the ferromagnetic metal layer 8, the lower layer 82 is the metal aluminum layer, the ferromagnetic material enables the heating load to be matched with the induction eddy current in the heating process, the energy conversion rate is high, and relatively speaking, the magnetic field leakage is less. The easy rust of ferromagnetic metal layer 8 is ageing, consequently sets up one deck metal aluminium layer at ferromagnetic metal layer 8 bottom surface, and the metal aluminium layer of lower floor 82 can play better guard action, prevents that the ferromagnetic metal layer 8 of upper strata 81 from exposing outside, appears rustting and ageing.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should be construed as the scope of the present invention.
Claims (9)
1. The utility model provides an electromagnetic induction underfloor heating system which characterized in that: the device comprises an electromagnetic induction coil (1), a metal layer (8), a floor (7) and a control system;
the metal layer (8) is arranged on the back surface of the floor (7), and the electromagnetic induction coil (1) is pre-buried below the floor (7);
the control system comprises a rectifier and a power conversion device, wherein the rectifier is used for converting external current and voltage into direct current, the power conversion device is used for converting the direct current into medium-high frequency alternating current and transmitting the medium-high frequency alternating current to the electromagnetic induction coil (1), and the power conversion device is electrically connected with the rectifier and the electromagnetic induction coil (1) respectively.
2. The electromagnetic induction floor heating system of claim 1, characterized in that: the control system further comprises a temperature controller and a temperature sensor (51), the temperature sensor (51) is pre-embedded below the floor (7) and close to the electromagnetic induction coil (1), and the temperature controller is electrically connected with the temperature sensor (51) and the electromagnetic induction coil (1) respectively;
the temperature sensor (51) is used for detecting the peripheral temperature of the electromagnetic induction coil (1) and transmitting a temperature signal to the temperature controller, and the temperature controller is used for controlling the on-off of the power supply of the electromagnetic induction coil (1) according to the temperature signal transmitted by the temperature sensor (51).
3. The electromagnetic induction floor heating system of claim 1, characterized in that: the metal layer (8) is a ferromagnetic metal layer.
4. The electromagnetic induction floor heating system of claim 1, characterized in that: the metal layer (8) comprises an upper layer (81) and a lower layer (82), wherein the upper layer (81) is a ferromagnetic metal layer, and the lower layer (82) is a metal aluminum layer.
5. The electromagnetic induction floor heating system of claim 1, characterized in that: the electromagnetic induction coil (1) is a flat coil; and a ferromagnetic material (15) is arranged on the back surface of the electromagnetic induction coil (1).
6. The electromagnetic induction floor heating system of claim 5, characterized in that: the electromagnetic induction coil (1) is wound from outside to inside to form a plurality of closed loops, and a gap (11) is arranged between every two adjacent closed loops.
7. The electromagnetic induction floor heating system of claim 1, characterized in that: still include radiation protection electromagnetic shield layer (9) and concrete layer (3), electromagnetic induction coil (1) is laid concrete layer (3) surface, radiation protection electromagnetic shield layer (9) are located concrete layer (3) bottom surface.
8. The electromagnetic induction floor heating system of claim 1, characterized in that: the distance between the electromagnetic induction coil (1) and the metal layer (8) is 1-10 mm.
9. The electromagnetic induction floor heating system of claim 1, characterized in that: the thickness of the metal layer (8) is 0.1-2 mm.
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| CN201921425666.6U CN210532510U (en) | 2019-08-30 | 2019-08-30 | Electromagnetic induction floor heating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110542146A (en) * | 2019-08-30 | 2019-12-06 | 曾艳林 | Electromagnetic induction floor heating system and laying method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110542146A (en) * | 2019-08-30 | 2019-12-06 | 曾艳林 | Electromagnetic induction floor heating system and laying method thereof |
| CN110542146B (en) * | 2019-08-30 | 2024-06-18 | 曾艳林 | Electromagnetic induction floor heating system and laying method thereof |
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