Building heating device and control system based on porous wall

Abstract

This invention belongs to the field of building heating technology and provides a building heating device and control system based on a porous wall. It includes a porous wall, an air-source heat pump, and a cavity floor slab. The control system includes an external environment acquisition module, an internal parameter acquisition module, a data acquisition module, and a data processing module. By integrating porous wall and air-source heat pump technologies, this invention achieves effective temperature control within buildings without the need for traditional gas or electric heating equipment. Simultaneously, the control system can automatically adjust the heating mode and heat distribution strategy according to environmental conditions and user needs. It can be widely applied to heating, heat storage, and energy management in various types of buildings, exhibiting significant energy-saving effects and promising application prospects.

Claims

1. A building heating device based on a perforated wall, characterized in that, It includes a porous wall, an air source heat pump, and a cavity floor slab; the porous wall includes a porous heat collection plate, a rain shield, a supporting frame, and a first air duct; the cavity floor slab is internally equipped with a phase change material energy storage layer, a heat conduction pipe, a second air duct, a fan, and a damper; the phase change material energy storage layer includes a heat conduction layer, a phase change material layer, and a waterproof isolation layer; The first air duct of the porous wall is connected to the second air duct of the hollow floor slab; The air source heat pump is connected to the phase change material energy storage layer through a heat-conducting pipe. The hollow floor slab is composed of hollow concrete slabs; The phase change material of the phase change material layer is a paraffin-based phase change material; The heat-conducting layer is made of aluminum alloy or copper; The surface of the heat collection plate is coated with a radiation-absorbing coating.

2. A control system for a building heating apparatus based on a perforated wall as claimed in claim 1, characterized in that, The control system includes: An external environment acquisition module is used to acquire external environment parameter information of the building heating device based on porous walls in real time, wherein the external environment parameter information includes the temperature A and the light intensity I of the external environment; An internal parameter acquisition module is used to acquire the internal parameter information of the building heating device based on the porous wall in real time. The internal parameter information includes the temperature B of the phase change material layer, the temperature C of the air inside the porous heat collector plate, the speed S of the fan, and the operating coefficient F of the air source heat pump. The data acquisition module is used to acquire the external environmental parameter information and the internal parameter information, and is also used to set the target temperature T of the phase change material layer, set the temperature threshold a for fan start-up, and set the light intensity threshold i for fan start-up. The data processing module is used to correct the fan speed S and the operating coefficient F of the air source heat pump based on the external environmental parameter information, the internal parameter information, the fan start-up temperature threshold a, the fan start-up light intensity threshold i, and the target temperature T of the phase change material layer.

3. A control system for a building heating apparatus based on a perforated wall according to claim 2, characterized in that, The data processing module is also used to set the preset temperature difference matrix D, the preset speed matrix S of the fan, and the preset operating coefficient matrix F of the air source heat pump; The preset temperature difference matrix D is defined as D[D1, D2, D3, D4], where D1 is the first preset temperature difference, D2 is the second preset temperature difference, D3 is the third preset temperature difference, and D4 is the fourth preset temperature difference, and D1... <D2<D3<D4; The preset speed matrix S of the fan is set as S[S1, S2, S3, S4, S5], where S1 is the first preset speed, S2 is the second preset speed, S3 is the third preset speed, S4 is the fourth preset speed, and S5 is the fifth preset speed, and S1... <S2<S3<S4<S5; The preset operating coefficient matrix F of the air source heat pump is set as F[F1, F2, F3, F4, F5], where F1 is the first preset operating coefficient, F2 is the second preset operating coefficient, F3 is the third preset operating coefficient, F4 is the fourth preset operating coefficient, and F5 is the fifth preset operating coefficient, and F1... <F2<F3<F4<F5。 4. A control system for a building heating apparatus based on a perforated wall according to claim 3, characterized in that, The data processing module is also used to calculate the difference X between the temperature T of the preset phase change material layer and the temperature B of the phase change material layer, wherein the difference X = TB; The data processing module is further configured to select a corresponding preset rotational speed as the rotational speed of the blower according to the relationship between X and the preset temperature difference matrix D; When X < D1, select the first preset rotational speed S1 as the rotational speed of the blower; When D1 < X < D2, select the second preset rotational speed S2 as the rotational speed of the blower; When D2 < X < D3, select the third preset rotational speed S3 as the rotational speed of the blower; When D3 < X < D4, select the fourth preset rotational speed S4 as the rotational speed of the blower; When D4 < X, select the fifth preset rotational speed S5 as the rotational speed of the blower.

5. The control system for a building heating device based on a porous wall according to claim 4, characterized in that, The data processing module is further configured to select a corresponding preset operation coefficient as the operation coefficient of the air source heat pump according to the relationship between X and the preset temperature difference matrix D; When X < D1, select the first preset operation coefficient F1 as the operation coefficient of the air source heat pump; When D1 < X < D2, select the second preset operation coefficient F2 as the operation coefficient of the air source heat pump; When D2 < X < D3, select the third preset operation coefficient F3 as the operation coefficient of the air source heat pump; When D3 < X < D4, select the fourth preset operation coefficient F4 as the operation coefficient of the air source heat pump; When D4 < X, select the fifth preset operation coefficient F5 as the operation coefficient of the air source heat pump.

6. The control system for a building heating device based on a porous wall according to claim 5, characterized in that, The data processing module is further configured to set the working mode M[M1, M2, M3] of the control system of the building heating device based on the porous wall, where M1 is the wall priority mode, M2 is the hybrid heating mode, and M3 is the air source heat pump mode; The data processing module is further configured to select a corresponding working mode as the working mode of the control system of the building heating device based on the porous wall according to the relationship between the temperature A of the external environment and the temperature threshold a for starting the blower and the relationship between the light intensity I and the light intensity threshold i for starting the blower; When I > i and A > a, select the wall priority mode M1 as the working mode of the control system of the building heating device based on the porous wall; When I = i or A = a, select the hybrid heating mode M2 as the working mode of the control system of the building heating device based on the porous wall; When I < i or A < a, select the air source heat pump mode M3 as the working mode of the control system of the building heating device based on the porous wall.

7. The control system for a building heating device based on a porous wall according to claim 6, characterized in that, The control method of the wall priority mode M1 is: Collect the temperature A of the external environment and the light intensity I; Collect the temperature B of the phase change material layer, the temperature C of the air in the porous heat collecting plate, the rotational speed S of the blower, and the operation coefficient F of the air source heat pump; Set the target temperature T of the phase change material layer, set the temperature threshold a for starting the blower, and set the light intensity threshold i for starting the blower; Compare the temperature B of the phase change material layer with the target temperature T of the phase change material layer; When B < T, start the building heating device based on the porous wall; Compare the relationship between the light intensity I and the light intensity threshold i for starting the blower; When I > i, compare the relationship between the temperature A of the external environment and the temperature threshold a at which the fan starts; When A > a, select the wall priority mode M1 as the operating mode of the control system of the building heating device based on the porous wall, and preferentially use the porous wall for heating; Compare the temperature B of the phase change material layer and the temperature C of the air in the porous heat collecting plate; When C > B, calculate the difference X between the preset temperature T of the phase change material layer and the temperature B of the phase change material layer, and the difference X = T - B; Select the corresponding preset rotational speed as the rotational speed of the fan according to the relationship between X and the preset temperature difference matrix D; When X < D1, select the first preset rotational speed S1 as the rotational speed of the fan; When D1 < X < D2, select the second preset rotational speed S2 as the rotational speed of the fan; When D2 < X < D3, select the third preset rotational speed S3 as the rotational speed of the fan; When D3 < X < D4, select the fourth preset rotational speed S4 as the rotational speed of the fan; When D4 < X, select the fifth preset rotational speed S5 as the rotational speed of the fan; When C = B and B < T, turn off the fan and the air valve, and start the air source heat pump; Select the corresponding preset operation coefficient as the operation coefficient of the air source heat pump according to the relationship between X and the preset temperature difference matrix D; When X < D1, select the first preset operation coefficient F1 as the operation coefficient of the air source heat pump; When D1 < X < D2, select the second preset operation coefficient F2 as the operation coefficient of the air source heat pump; When D2 < X < D3, select the third preset operation coefficient F3 as the operation coefficient of the air source heat pump; When D3 < X < D4, select the fourth preset operation coefficient F4 as the operation coefficient of the air source heat pump; When D4 < X, select the fifth preset operation coefficient F5 as the operation coefficient of the air source heat pump; When B ≥ T, turn off the air source heat pump.

8. The control system for a building heating device based on a porous wall according to claim 6, characterized in that, The control method of the hybrid heating mode M2 is as follows: Collect the temperature A of the external environment and the light intensity I; Collect the temperature B of the phase change material layer, the temperature C of the air in the porous heat collecting plate, the rotational speed S of the fan, and the operation coefficient F of the air source heat pump; Set the target temperature T of the phase change material layer, set the temperature threshold a at which the fan starts, and set the light intensity threshold i at which the fan starts; Compare the temperature B of the phase change material layer and the target temperature T of the phase change material layer; When B < T, start the building heating device based on the porous wall; Compare the relationship between the temperature A of the external environment and the temperature threshold a at which the fan starts and the relationship between the light intensity I and the light intensity threshold i at which the fan starts; When I = i or A = a, select the hybrid heating mode M2 as the operating mode of the control system of the building heating device based on the porous wall, and start the porous wall and the air source heat pump simultaneously for heating; Compare the temperature B of the phase change material layer and the temperature C of the air in the porous heat collecting plate; When C > B, calculate the difference X between the temperature T of the preset phase change material layer and the temperature B of the phase change material layer, where the difference X = T - B; Select the corresponding preset rotational speed as the rotational speed of the blower according to the relationship between X and the preset temperature difference matrix D; When X < D1, select the first preset rotational speed S1 as the rotational speed of the blower; When D1 < X < D2, select the second preset rotational speed S2 as the rotational speed of the blower; When D2 < X < D3, select the third preset rotational speed S3 as the rotational speed of the blower; When D3 < X < D4, select the fourth preset rotational speed S4 as the rotational speed of the blower; When D4 < X, select the fifth preset rotational speed S5 as the rotational speed of the blower; Select the corresponding preset operation coefficient as the operation coefficient of the air source heat pump according to the relationship between X and the preset temperature difference matrix D; When X < D1, select the first preset operation coefficient F1 as the operation coefficient of the air source heat pump; When D1 < X < D2, select the second preset operation coefficient F2 as the operation coefficient of the air source heat pump; When D2 < X < D3, select the third preset operation coefficient F3 as the operation coefficient of the air source heat pump; When D3 < X < D4, select the fourth preset operation coefficient F4 as the operation coefficient of the air source heat pump; When D4 < X, select the fifth preset operation coefficient F5 as the operation coefficient of the air source heat pump; When C = B and B < T, turn off the blower and the air valve; When B ≥ T, turn off the air source heat pump.

9. The control system for a building heating device based on a porous wall according to claim 6, characterized in that, The control method for the air source heat pump mode M3 is as follows: Collect the temperature A of the external environment and the light intensity I; Collect the temperature B of the phase change material layer, the temperature C of the air in the porous heat collection plate, the rotational speed S of the blower, and the operation coefficient F of the air source heat pump; Set the target temperature T of the phase change material layer, set the temperature threshold a for the blower to start, and set the light intensity threshold i for the blower to start; Compare the temperature B of the phase change material layer with the target temperature T of the phase change material layer; When B < T, start the building heating device based on the porous wall; Compare the relationship between the temperature A of the external environment and the temperature threshold a for the blower to start and the relationship between the light intensity I and the light intensity threshold i for the blower to start; When I < i or A < a, select the air source heat pump mode M3 as the working mode of the control system of the building heating device based on the porous wall, and only use the air source heat pump for heating; Select the corresponding preset operation coefficient as the operation coefficient of the air source heat pump according to the relationship between X and the preset temperature difference matrix D; When X < D1, select the first preset operation coefficient F1 as the operation coefficient of the air source heat pump; When D1 < X < D2, select the second preset operation coefficient F2 as the operation coefficient of the air source heat pump; When D2 < X < D3, select the third preset operation coefficient F3 as the operation coefficient of the air source heat pump; When D3 < X < D4, select the fourth preset operating coefficient F4 as the operating coefficient of the air source heat pump; When D4 < X, select the fifth preset operating coefficient F5 as the operating coefficient of the air source heat pump; When B ≥ T, turn off the air source heat pump.

10. The application method of a building heating device based on a porous wall according to any one of claims 1 to 9, characterized in that, It includes the following steps: Install a porous wall on the building exterior wall and connect the first air duct of the porous wall to the second air duct of the hollow floor; Arrange a phase change material energy storage layer in the hollow floor and connect the air source heat pump to the phase change material energy storage layer through a heat conduction pipeline; Set up a control system to preset the target temperature, the temperature threshold for the fan to start, the light intensity threshold for the fan to start, and the heating mode according to the lighting conditions and temperature conditions in the area where the building is located.

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