CN210088958U - Standardized prefabricated floor radiant heating panel and whole house floor heating system - Google Patents

Abstract

Standardized assembled sub-floor radiant heating panel, including floor heating bricks; floor heating bricks are solid bricks, which from bottom to top include thermal insulation layer, filling layer, leveling layer and decorative layer. The tubes are arranged in a serpentine arrangement that is repeatedly bent. The whole house floor heating system is applied to the standardized prefabricated floor radiant heating panel, which includes a main pipe, a heating module, an electromagnetic water valve, a graphic display module and a controller. The floor heating brick of the utility model adopts the fluid heat transfer numerical simulation technology to optimize the design of the pipe diameter and pipe spacing of the heat medium, thereby realizing the optimal design of the structure of the floor heating brick, and the temperature of the whole house floor heating system based on the floor heating brick The field distribution is more uniform, and the radiant heat comfort and energy saving are better.

Description

Standardized prefabricated floor radiant heating panel and whole house floor heating system

technical field

The utility model relates to the field of building radiant heating equipment, in particular to a standardized assembled floor radiant heating panel and a whole-house floor heating system.

Background technique

At present, there are three main forms of heating at the end of winter:

1. Forced convection heat exchange heating end, such as fan coil unit, the heating end provides heat through convection heat exchange, which often results in thermal stratification, especially when the upper air is warmer than the lower air. High, does not meet the comfort requirements, and the noise is relatively large, and the operation is relatively energy-intensive;

2. Natural convection heating end, such as radiator, this kind of heating end is limited by the installation position, the temperature distribution in the room is uneven, the time response is slow, the pipeline life cycle is short, and the space is large;

3. Radiation heating end, such as floor heating (referred to as floor heating), this kind of heating end mainly exchanges heat through radiation, with small heat loss, uniform indoor temperature distribution, and high comfort, in line with "cool head and feet hot". Comfort requirements, noiseless operation, large heat capacity.

To sum up, underfloor heating is currently the best choice for heating at the end of winter. However, there are still the following shortcomings in the actual application process of floor heating:

1. The construction process of floor heating is difficult to standardize, the construction quality is difficult to guarantee, and the construction period is long;

2. The laying length of the floor heating pipe is long, and it is difficult to repair and maintain after installation;

3. The laying length of the floor heating pipe is long, the resistance in the pipe is large, and a pump with a high power is required to drive the hot water flow in the pipe, and it is difficult to guarantee the energy saving;

4. The floor heating pipes are bendable hoses. The layout of the construction site is not standardized, and the randomness is large. It may occur that some areas in the room are arranged too densely, and some areas are arranged too sparsely, and the structural performance and thermal performance have not reached the maximum. optimization; and, due to the randomness of this arrangement, it is difficult to guarantee the uniformity of the temperature field of the floor heating room, the comfort of radiant heat and the energy saving of the product

5. The floor heating pipes produced by the factory are usually of several fixed lengths, which cannot be perfectly adapted to rooms of any area. For example, the room area is 20 square meters, the theoretically suitable length of the floor heating pipes is 80m, and the floor heating pipes produced by the factory are 50m and 100m. If there are two specifications, the 100m specification must be selected to meet the use requirements. After construction, about 20m of corner waste will be generated, resulting in a waste of resources.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and to provide a standardized prefabricated floor radiant heating panel and a whole-house floor heating system, which solves the problem that the existing floor heating construction is difficult to standardize, maintenance is difficult after installation, and the resistance in the pipe is large. This leads to the problems of large energy consumption of the pump, large randomness of the layout of the construction site, and waste of resources on the construction site due to the waste of corners.

The technical scheme of the utility model is as follows: a standardized assembled subfloor radiant heating panel includes floor heating bricks; the floor heating bricks are solid bricks, which sequentially include a thermal insulation layer, a filling layer, a leveling layer and a decorative layer from bottom to top. The heat medium pipe is buried, and the heat medium pipe is arranged in a serpentine shape that is repeatedly bent to form a multi-section parallel pipe body. There is a gap at the outlet, the gap runs through the decorative layer, the leveling layer and the filling layer in sequence from top to bottom, and a temperature and humidity sensor for detecting whether the heat medium tube leaks is arranged at the gap.

The further technical scheme of the utility model is as follows: the distance between adjacent sections of the heat medium pipe is 200-250mm, and the inner diameter of the pipe is 16-25mm.

A further technical scheme of the utility model is that the floor heating bricks are rectangular bricks, and their plane dimensions are 1200mm×900mm or 900mm×600mm or 600mm×300mm.

The further technical scheme of the utility model is that: a layer of steel mesh is laid and buried in the lower end of the heat medium pipe in the filling layer.

The further technical scheme of the utility model is that: a plurality of pipeline clips arranged at intervals are embedded in the filling layer, and the pipeline clips are fixed to each section of the heat medium pipe by a tube clamp.

A further technical solution of the present invention is that the thermal insulation layer includes a thermal insulation layer and a heat soaking layer laid on the thermal insulation layer.

The technical scheme of the utility model is: the whole house floor heating system adopts the above-mentioned standardized assembled floor radiant heating panel;

It includes a main pipe, a heating module, an electromagnetic water valve, a graphic display module and a controller; the main pipe is provided with a plurality of shunt joints; the heating module includes two rows of adjacently arranged strip heating belts, each row of strip heating belts includes multiple For the floor heating bricks arranged adjacently in sequence, the heat medium pipes of all floor heating bricks in the heating module are connected in turn, so as to form a water inlet and a water outlet in a heating module; the drain end of the electromagnetic water valve is connected with the inlet of the heating module. The water inlet is connected, and the water inlet end of the electromagnetic water valve is connected with the shunt joint of the main pipe; the controller is electrically connected with the electromagnetic water valve and the graphic display module respectively, and the controller is connected or electrically connected with the temperature and humidity sensor on each floor heating brick.

Compared with the prior art, the utility model has the following advantages:

1. The floor heating bricks are industrially produced and the construction is standardized, which avoids the problems that the traditional floor heating construction process is random and the quality is difficult to guarantee.

2. The numerical simulation technology of fluid heat transfer is used to optimize the design of the heat medium pipe diameter and pipe spacing, thereby realizing the structural optimization design of the floor heating bricks, and the temperature field distribution of the whole house floor heating system based on the floor heating bricks is more uniform. Radiant thermal comfort and energy savings are better.

3. The use of industrialized production and on-site assembly can greatly shorten the construction period, and briefly describe the generation of waste at the construction site, which is more environmentally friendly.

4. There are gaps on the outside of the floor heating bricks, which is convenient for installation, maintenance and cleaning of the heat medium pipe.

5. The adjacent floor heating bricks are not fixed, and are only flexibly connected at the end of the heating medium pipe through the ferrule type floor heating pipe joint, which is convenient for installation and maintenance of a single floor heating brick.

6. After the floor heating bricks are laid, they can cooperate with the building structure layer to resist earthquake and crack.

7. For indoors where people stay for a long time, when the ground temperature is 25-27°C, the human body thermal comfort experience is the best. The water supply temperature of the existing floor heating system is set to 50°C, and the ground temperature can only reach about 20°C. The floor heating system using floor heating bricks, the water supply temperature is set to 35 ℃, and the ground temperature can reach about 27 ℃, which is relatively more energy-saving.

8. The standard heat supply of floor heating bricks covers a wide range and is suitable for buildings with various purposes.

9. The heating system adopts multiple heating modules arranged in parallel. The pipeline resistance in the heating module is small, which is conducive to hydraulic balance, reduces the power consumption of the water pump, and reduces the operating cost.

10. The heating system adopts multiple heating modules arranged in parallel. When a single heating module fails, other heating modules can still operate normally, and the fault tolerance rate of the entire heating system is high.

11. After the floor heating brick heat medium pipe leaks, the controller immediately closes the corresponding electromagnetic water valve to avoid further leakage, and at the same time reminds the user to deal with it through the graphic display module, which has a high degree of intelligence.

The utility model will be further described below in conjunction with figures and embodiments.

Description of drawings

Figure 1 is a schematic structural diagram of a standardized assembled subfloor radiant heating panel;

Figure 2 is a structural cross-sectional view of a standardized assembled subfloor radiant heating panel;

Fig. 3 is a graph showing the influence of the distance between the heat medium pipes and the inner diameter of the heat medium pipes on the average surface temperature of the floor heating bricks;

Figure 4 is a schematic structural diagram of the whole house floor heating system with floor heating bricks arranged in odd numbers;

Figure 5 is a schematic structural diagram of the whole house floor heating system with floor heating bricks arranged in an even number.

Detailed ways

Example 1:

As shown in Figure 1-2, the standardized prefabricated subfloor radiant heating panel includes floor heating bricks 1.

The floor heating brick 1 is a solid brick, which sequentially includes a thermal insulation layer 11 , a filling layer 12 , a leveling layer 13 and a decorative layer 14 from bottom to top. The heat insulating layer 11 includes a heat insulating layer 111 and a heat soaking layer 112 laid on the heat insulating layer 111 . The material of the heat insulating layer 111 is preferably a polystyrene foam plastic board, and the material of the reflective layer 112 is preferably a glass fiber cloth base and an aluminum foil. The filling material of the filling layer 12 is preferably concrete. The material of the leveling layer 13 is preferably cement mortar, and the thickness is preferably 10-20mm. The material of the decorative layer 14 is ceramic tile, and the thickness is preferably less than 10mm.

A heat medium pipe 15 is embedded in the filling layer 12, and the heat medium pipe 15 is arranged in a serpentine shape that is repeatedly bent to form a multi-section parallel pipe body. The floor heating brick 1 is provided with gaps 16 at the two extending ends of the heat medium pipe 15. The gap 16 runs through the decorative layer 14, the leveling layer 13 and the filling layer 12 in sequence from top to bottom. The leaked temperature and humidity sensor 17.

Preferably, the floor heating brick 1 is a rectangular brick, which is made according to the size of the building modulus of 3Mo, and its plane size is 1200mm×900mm or 900mm×600mm or 600mm×300mm. size requirements.

Preferably, a layer of steel mesh 18 is laid and buried in the lower end of the heat medium pipe 15 in the filling layer 12 to strengthen the overall structural strength of the floor heating brick 1 .

Preferably, a plurality of pipe clamps 19 arranged at intervals are embedded in the filling layer 12, and the pipe clamps 19 are fixed with each section of the pipe body of the heat medium pipe 15 by a clamp to fix the shape of the heat medium pipe 15 and prevent its deformation, and adjacent pipes are clamped. The spacing between 19 is 600mm.

Preferably, the distance between adjacent sections of the heat medium pipe 15 is 200 mm, and the inner diameter of the pipe is 16 mm.

Preferably, the heat medium pipe 15 is a cross-linked polyethylene pipe or a heat-resistant polyethylene pipe.

Examples 2-9:

Compared with Example 1, Examples 2-9 differ only in the distance between adjacent sections of the heat medium pipe 15 (pipe spacing) or the pipe inner diameter of the heat medium pipe. Please refer to Table 1 for details.

Table 1:

Tube Spacing(mm) Tube inner diameter (mm) Example 2 200 20 Example 3 200 25 Example 4 225 16 Example 5 225 20 Example 6 225 25 Example 7 250 16 Example 8 250 20 Example 9 250 25

As shown in Figures 4-5, the whole-house floor heating system using the above-mentioned standardized prefabricated floor radiant heating panels includes a main pipe 2, a heating module 3, an electromagnetic water valve 4, a graphic display module (not shown in the figure) and a controller (not shown in the figure). The main pipe 2 is provided with a plurality of shunt joints. The heating module 3 includes two rows of adjacently arranged strip heating strips, each row of strip heating strips includes a plurality of floor heating bricks 1 arranged adjacently in sequence, and the heat medium pipes 15 of all the floor heating bricks 1 in the heating module 3 are arranged in sequence. connected to form a water inlet 31 and a water outlet 32 in one heating module 3 . The drain end of the electromagnetic water valve 4 is communicated with the water inlet 31 of the heating module 3 , and the water inlet end of the electromagnetic water valve 4 is communicated with the shunt joint of the main pipe 2 . The controller is respectively electrically connected with the electromagnetic water valve 4 and the graphic display module, and the controller is connected in communication or electrical connection with the temperature and humidity sensor on each floor heating brick 1 .

The controller is preferably a stm32 single-chip microcomputer, and the graphic display module is preferably a liquid crystal display.

The above-mentioned whole house floor heating system assembly method is as follows:

S01, a plurality of heating module installation areas are divided on the ground of the whole house, and each heating module installation area can accommodate exactly one heating module.

S02 , respectively laying and installing heating modules in each heating module installation area. When the number of floor heating bricks 1 contained in a strip heating strip in the heating module is an odd number, the laying state is shown in FIG. 4 . When the number of floor heating bricks 1 contained in a strip heating strip in the heating module is an even number, the laying state is shown in FIG. 5 .

S03, a zoomed view of the whole house floor heating system is displayed on the graphic display module. Each heating floor tile displayed on the zoomed map is consistent with its laying position on the ground. When the temperature and humidity sensor of the heating floor tile detects the heating medium of the heating floor tile When the tube leaks, it immediately transmits a signal to the controller. After the controller receives the signal, it performs two controls at the same time:

a. Control the corresponding floor heating bricks in the zoomed image of the graphic display module to flash to remind the user to overhaul;

b. Control the electromagnetic water valve of the corresponding heating module to close to prevent further leakage of the heat medium pipe.

Preferably, in step S02, the end of the heating medium pipe 15 of the floor heating block 1 is connected to the end of the heating medium pipe 15 of the adjacent floor heating block 1 through a ferrule type floor heating pipe joint.

Preferably, in step S02, an expansion joint of 5 mm is provided between any floor heating brick and the adjacent floor heating brick, and the expansion joint is filled with expansion joint glue.

Briefly describe the beneficial effects of the present utility model: because the heat medium pipe 15 is arranged in a serpentine shape with repeated bending in the floor heating brick 1, on the upper surface of the floor heating brick 1 (and the upper surface of the decorative layer), it is located in the heat The temperature of the area directly above the medium pipe 15 is relatively high, and the temperature of the area away from the heat medium pipe 15 is relatively low. When the temperature of the water supply is constant, the numerical simulation test of fluid heat transfer shows that the temperature difference between the upper surfaces of the floor heating bricks 1 in the above 9 embodiments does not exceed 3°C, and the thermal comfort experience of the human body is better.

When the water supply temperature is set to 35℃, the influence of different parameters of the distance between the heat medium pipes and the inner diameter of the heat medium pipes on the average surface temperature of the floor heating bricks is shown in Figure 3:

1. When the pipe spacing is set to 100mm, the average temperature of the floor heating brick surface is shown in curve a, which is above 29°C, and the human body feels hot;

2. When the pipe spacing is set to 300mm, the average temperature of the floor heating brick surface is shown in the curve e, some of which are below 25°C, and the human body feels cooler;

3. When the tube spacing is set to 150mm, the surface temperature of the floor heating brick is shown in curve b. Although it is between 27-29°C, which is acceptable to the human body, it does not reach the optimal thermal comfort experience temperature of 25- 27°C, and the tube spacing of 150mm is slightly denser than the tube spacing of 200mm and 250mm, which increases the length of the heat medium tube, thereby increasing the manufacturing cost;

4. When the tube spacing is set to 200mm or 250mm, the surface temperature of the floor heating bricks is shown as curves c and d respectively, and they are all at the best thermal comfort experience temperature of 25-27°C.

Claims (7)

1. Standardized assembled floor radiation heating board, characterized by: the floor heating brick comprises a floor heating brick body; warm up the fragment of brick and be solid brick, it includes the heat preservation from supreme in proper order down, the filling layer, screed-coat and decorative layer, the heat medium pipe has been buried underground in the filling layer, the heat medium pipe is the snakelike arranging of buckling repeatedly, thereby form the body that the multistage is parallel to each other, the heat medium pipe both ends are stretched out from the interior level of the fragment of brick of warming up, the fragment of brick of warming up is equipped with the breach at two stretching-out end departments of heat medium pipe, the breach is from last to having a perfect understanding the decorative layer down in proper order, screed-coat and filling layer, breach department is equipped with and.

2. The standardized fabricated floor radiant heating panel as claimed in claim 1, wherein: the distance between adjacent sections of the heat medium pipe is 200-250mm, and the inner diameter of the pipe is 16-25 mm.

3. The modular floor radiant heating panel of claim 2, wherein: the floor heating brick is a rectangular brick, and the plane size of the floor heating brick is 1200mm multiplied by 900mm or 900mm multiplied by 600mm or 600mm multiplied by 300 mm.

4. A standardized modular floor radiant heating panel as claimed in any one of claims 1 to 3, characterised in that: a layer of steel wire mesh is laid at the lower end of the heat medium pipe in the filling layer.

5. The standardized fabricated floor radiant heating panel as claimed in claim 4, wherein: a plurality of pipeline clamps arranged at intervals are embedded in the filling layer, and the pipeline clamps are fixed with the pipe body hoops of each section of the heating medium pipe.

6. The standardized modular floor radiant heating panel as recited in claim 5, wherein: the heat-insulating layer comprises a heat-insulating layer and a heat-equalizing layer laid on the heat-insulating layer.

7. Full house underfloor heating system, characterized by: using the standardized fabricated floor radiant heating panel of any one of claims 1-6; the heating system comprises a header pipe, a heating module, an electromagnetic water valve, a graphic display module and a controller; the main pipe is provided with a plurality of shunt joints; the heating module comprises two rows of strip-shaped heating belts which are adjacently arranged, each row of strip-shaped heating belts comprises a plurality of floor heating bricks which are adjacently arranged in sequence, and heat medium pipes of all the floor heating bricks in the heating module are sequentially communicated, so that a water inlet and a water outlet are formed in one heating module; the water outlet end of the electromagnetic water valve is communicated with the water inlet of the heating module, and the water inlet end of the electromagnetic water valve is communicated with the shunt joint of the header pipe; the controller is respectively and electrically connected with the electromagnetic water valve and the graphic display module, and the controller is in communication connection or electrical connection with the temperature and humidity sensor on each floor heating brick.

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