CN212299154U

CN212299154U - Novel incombustible underfloor heating system

Info

Publication number: CN212299154U
Application number: CN202021835060.2U
Authority: CN
Inventors: 王诗榕; 王书传; 张秀会; 王海波; 舒丰雄
Original assignee: Fujian Jiuxin Technologies Co ltd
Current assignee: Fujian Jiuxin Technologies Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-01-05
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a novel non-combustible floor heating system, which comprises a temperature controller, a flame-retardant heat preservation layer, a PTC graphene electrothermal film, a heat-conducting flame-retardant cement mortar layer and a ground decoration layer, wherein the flame-retardant heat preservation layer, the PTC graphene electrothermal film, the heat-conducting flame-retardant cement mortar layer and the ground decoration layer are sequentially arranged on the ground from bottom to top; the PTC graphene electrothermal film comprises a lower flame-retardant insulating heat conduction layer and an upper flame-retardant insulating heat conduction layer which are mutually compounded, a PTC graphene heating ink layer is printed on the lower flame-retardant insulating heat conduction layer, and two ends of the PTC graphene heating ink layer are respectively provided with a conducting strip; the conducting strip of PTC graphite alkene electric heat membrane passes through flame retarded cable and is connected with the temperature controller electricity, and the commercial power is connected to the temperature controller. Due to the fact that the PTC graphene electrothermal film is uniform in heat conduction and the self-temperature-limiting characteristic of the PTC graphene electrothermal film, continuous temperature rise is avoided, and safety performance is high; meanwhile, the flame-retardant property of the flame-retardant heat-insulating layer and the heat-conducting flame-retardant cement mortar layer prevents fire safety hazards.

Description

Novel incombustible underfloor heating system

Technical Field

The utility model relates to a ground the heat field, especially relate to a novel incombustible underfloor heating system.

Background

The ground heating is short for ground radiation, and takes the whole ground as a radiator, and the whole ground is uniformly heated by a heat medium. The water floor heating and the electric floor heating are divided from the heat medium, wherein the electric floor heating is faster than the water floor heating (the water floor heating needs to be preheated), the temperature regulation is more accurate, cleaning is not needed (the water floor heating needs to be cleaned once for 2-5 years generally), and the electric floor heating is more and more favored by people.

The current electric floor heating commonly used arrangement mode is through laying heating cable (being similar to the heating wire) on ground, if the heating cable electric floor heating technique that well patent application publication No. CN102788381A that 19 of 2011 year 05 month application published, this heating electricity is warm by main temperature controller, supplementary temperature controller, main heating cable, supplementary heating cable and is constituteed, and wherein main heating cable, supplementary heating cable are the heat-generating body. The inventor points out that the disadvantage of the ground-laid heating cable (main heating cable, auxiliary heating power) is that the heating cable generates heat unevenly, especially because the main heating cable and the auxiliary heating power are laid roundly, the distance between adjacent heating cables is different, and the temperature of the ground is slightly different, specifically including the following cases: (1) the temperature of the place where the heating cable is densely paved is high, and the temperature of the place where the heating cable is sparsely paved is low; (2) the temperature right above the heating cables is high, and the temperature between the adjacent heating cables is slightly low; (3) in another case, when a thermal insulation material (cloth, sofa, etc.) is placed on the ground, the temperature of the ground is continuously raised, so that fire hazard is caused. The inventor also indicates that when the user selects the electric floor heating, the safety performance of the floor heating is preferably considered, and the fireproof performance of the electric floor heating is accurate.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a novel incombustible underfloor heating system stops to warm up conflagration potential safety hazard, and the security performance is high to warm up heat conduction evenly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel non-combustible floor heating system comprises a temperature controller, and a flame-retardant heat-preservation layer, a PTC graphene electric heating film, a heat-conductive flame-retardant cement mortar layer and a ground decoration layer which are sequentially arranged on the ground from bottom to top, wherein a flame-retardant cable is further embedded between the flame-retardant heat-preservation layer and the heat-conductive flame-retardant cement mortar layer;

the PTC graphene electrothermal film comprises a lower flame-retardant insulating heat conduction layer and an upper flame-retardant insulating heat conduction layer which are mutually compounded, a PTC graphene heating ink layer is printed on the lower flame-retardant insulating heat conduction layer, two ends of the PTC graphene heating ink layer are respectively provided with a conducting strip, and the PTC graphene heating ink layer and each conducting strip are positioned between the lower flame-retardant insulating heat conduction layer and the upper flame-retardant insulating heat conduction layer; the lower flame-retardant insulating heat conduction layer is also provided with a silver paste current-carrying strip, and the silver paste current-carrying strip is arranged on the PTC graphene heating ink layer; the conducting strip of the PTC graphene electrothermal film is electrically connected with the flame-retardant cable;

the conducting strip of PTC graphite alkene electric heat membrane passes through flame retarded cable and is connected with the temperature controller electricity, the commercial power is connected to the temperature controller.

Further, the thickness of the PTC graphene heating ink layer is more than 75 μm.

Furthermore, the upper flame-retardant insulating heat conduction layer and the lower flame-retardant insulating heat conduction layer both adopt PP films.

Furthermore, a plurality of temperature sensors are arranged between the PTC graphene electrothermal film and the heat-conducting flame-retardant cement mortar layer at even intervals, and each temperature sensor is electrically connected with a temperature controller through a flame-retardant cable.

Furthermore, the temperature controller also comprises an alarm which is electrically connected with the temperature controller.

By adopting the technical scheme, the beneficial effects of the utility model are that: the novel non-combustible floor heating system has the functions of heat preservation and heat insulation by arranging the flame-retardant heat preservation layer on the ground, and heat is effectively prevented from being transferred from the PTC graphene electrothermal film to the ground; the PTC graphene electrothermal film has uniform heat conduction at each position, and has the self-temperature-limiting characteristic, the PTC graphene electrothermal film generates heat at a temperature higher than a certain temperature T (such as 50 ℃), the PTC graphene electrothermal film has high resistance characteristic, the current is reduced, the heating efficiency is reduced, the temperature cannot be continuously increased, the potential safety hazard of floor heating fire is avoided, and the safety performance is high; set up silver thick liquid current-carrying strip on PTC graphite alkene electric heat membrane, avoid PTC graphite alkene heating printing ink layer virtual connection, lead to striking sparks, puncture. And the heat-conducting flame-retardant cement mortar layer can quickly transfer the heat of the PTC graphene electric heating film to the ground decoration layer. And the flame-retardant property of the heat-insulating layer and the heat-conducting flame-retardant cement mortar layer can avoid the potential safety hazard of floor heating fire, and the safety performance is high. Further, because subaerial placing object article are unfavorable for the heat dissipation, lead to the unusual rising of ground local temperature, perhaps because there is the burning of article on ground, cause reasons such as the unusual rising of ground local temperature, all can lead to the unable normal steady operation of PTC graphite alkene electric heat membrane, consequently still be provided with a plurality of temperature sensor between PTC graphite alkene electric heat membrane and the fire-retardant cement mortar layer of heat conductivity, the real-time temperature that each temperature sensor detected PTC graphite alkene electric heat membrane and generates heat transmits the temperature controller, in case the temperature value deviation that each temperature sensor detected is great, then temperature controller control PTC graphite alkene electric heat membrane stops to generate heat, further improve the security, stop floor heating conflagration potential safety hazard.

Drawings

FIG. 1 is a schematic view of a cross-sectional structure of a novel non-combustible floor heating system laid on the ground according to an embodiment of the present invention;

fig. 2 is an exploded view of the PTC graphene electrothermal film according to the embodiment of the present invention;

fig. 3 is a circuit connection block diagram of an embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1, fig. 2 and fig. 3, this embodiment provides a novel incombustible underfloor heating system, including temperature controller 6, a plurality of temperature sensor 5 (only four temperature sensor 5 are shown in fig. 1), siren 8 to and from lower supreme setting gradually subaerial fire-retardant heat preservation 1, PTC graphite alkene electric heat membrane 2, the fire-retardant cement mortar layer of heat conductivity 3 and the ground decorative layer 4, fire-retardant cable 7 has still been buried underground between fire-retardant heat preservation 1 and the fire-retardant cement mortar layer of heat conductivity 3, each temperature sensor 5 evenly equidistant setting is between PTC graphite alkene electric heat membrane 2 and the fire-retardant cement mortar layer of heat conductivity 3. In this specific embodiment, the flame-retardant insulation layer 1 preferably adopts an a-level fireproof cement insulation board, the heat-conductive flame-retardant cement mortar layer 3 adopts high-heat-conductivity cement, and the ground decoration layer 4 is a ceramic tile. The temperature controller 6 adopts a remote control variable frequency temperature controller, and the temperature controller 6, the temperature sensor 5 and the alarm 8 are all the existing electronic equipment. The temperature controller 6 can detect the indoor temperature.

As shown in fig. 2, the PTC graphene electrothermal film 2 includes a lower flame-retardant insulating heat conduction layer 21 and an upper flame-retardant insulating heat conduction layer 26, which are mutually compounded, in this embodiment, preferably, the upper flame-retardant insulating heat conduction layer 26 and the lower flame-retardant insulating heat conduction layer 21 both adopt food-grade PP films (polypropylene films), and the PP films have excellent electrical insulation performance. The printing has PTC graphite alkene printing ink layer 23 that generates heat on the fire-retardant insulating heat-conducting layer 21 of lower floor, PTC graphite alkene printing ink layer 23 that generates heat's both ends are provided with conducting strip 24 and conducting strip 25 respectively, PTC graphite alkene is provided with silver thick liquid current-carrying strip 22 on the printing ink layer 23 that generates heat, PTC graphite alkene printing ink layer 23 that generates heat, silver thick liquid current-carrying strip 22, conducting strip 24 and conducting strip 25 all are located between fire-retardant insulating heat-conducting layer 21 of lower floor and the fire-retardant insulating heat-conducting layer 26. Set up silver thick liquid current-carrying strip 22 on PTC graphite alkene electric heat membrane 2 can effectively avoid PTC graphite alkene heating printing ink layer virtual connection, lead to striking sparks, puncture. The thickness of the PTC graphene heating ink layer 23 is more than 75 μm. Each temperature sensor 5 and the conducting strip 24 and the conducting strip 25 of the PTC graphene electrothermal film 2 are electrically connected with a temperature controller 6 through a flame-retardant cable 7, the alarm 8 is electrically connected with the temperature controller 6, and the temperature controller 6 is connected with a commercial power. The user sets for indoor temperature value X ℃ (for example 28 ℃) through temperature controller 6, and temperature controller 6 control PTC graphite alkene electric heat membrane 2 generates heat and makes indoor temperature maintain X ℃.

Due to the self-temperature-limiting characteristic of the PTC graphene electrothermal film 2, the safety performance is high, and the heat conduction is uniform. Specifically, PTC graphite alkene electric heat membrane 2 generates heat and surpasss certain temperature T (for example 50 ℃), and PTC graphite alkene electric heat membrane 2 presents the high resistance characteristic, reduces the electric current to reduce the efficiency of generating heat, the temperature reduces thereupon, can not last the intensification. Meanwhile, the flame-retardant heat-preservation layer 1 and the heat-conductive flame-retardant cement mortar layer 3 have flame-retardant characteristics, and potential safety hazards of floor heating fire are eliminated.

Moreover, in the actual use process, due to the fact that articles placed on the ground are not beneficial to heat dissipation, the local temperature on the ground is abnormally increased, or due to the fact that the articles on the ground are burnt (for example, paper money is burnt when worship), the local temperature on the ground is abnormally increased, and the like, the PTC graphene electrothermal film 2 cannot normally and stably work, therefore, a plurality of temperature sensors 5 are arranged between the PTC graphene electrothermal film 2 and the heat-conducting flame-retardant cement mortar layer 3, the real-time temperature generated by the PTC graphene electrothermal film 2 detected by each temperature sensor 5 is transmitted to the temperature controller 6, once the temperature value deviation detected by each temperature sensor 5 is large, for example, the temperature value deviation between the temperature sensor and other temperature sensors exceeds 20 ℃, the temperature controller 6 controls the PTC graphene electrothermal film 2 to stop generating heat, and the alarm 8 gives an alarm to remind a user of power-off inspection, further improve the security, stop the potential safety hazard of ground heating conflagration.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a novel incombustible underfloor heating system which characterized in that: the temperature-controlled heat-insulation floor comprises a temperature controller, and a flame-retardant heat-insulation layer, a PTC graphene electric heating film, a heat-conducting flame-retardant cement mortar layer and a floor decoration layer which are sequentially arranged on the ground from bottom to top, wherein a flame-retardant cable is further embedded between the flame-retardant heat-insulation layer and the heat-conducting flame-retardant cement mortar layer;

2. The novel incombustible floor heating system according to claim 1, characterized in that: the thickness of the PTC graphene heating ink layer is more than 75 microns.

3. The novel incombustible floor heating system according to claim 2, characterized in that: the upper flame-retardant insulating heat-conducting layer and the lower flame-retardant insulating heat-conducting layer both adopt PP films.

4. The novel incombustible floor heating system according to claim 1, 2 or 3, characterized in that: a plurality of temperature sensors are evenly arranged between the PTC graphene electrothermal film and the heat-conducting flame-retardant cement mortar layer at intervals, and the temperature sensors are electrically connected with a temperature controller through flame-retardant cables respectively.

5. The novel incombustible floor heating system according to claim 4, characterized in that: the temperature controller is electrically connected with the alarm.