Balcony structure and system facilitating installation of solar heat collection plate and partitioned heat collection type solar system

Abstract

The utility model relates to a balcony structure and system facilitating installation of a solar heat collection plate and a partitioned heat collection type solar system. The balcony structure comprises a structure unit, an installation unit, a protection unit, a waterproof unit and a sealing unit. The mounting unit is arranged on the outer side of the structural unit, the top of the mounting unit is lower than the top of the structural unit, and the mounting unit is connected with the heat collecting device; the protection unit is arranged at the top of the mounting unit and is connected with the structural unit; the waterproof unit covers the top of the mounting unit and is located below the heat collection device, and the top of the waterproof unit is connected with the mounting unit; the sealing unit is arranged between the waterproof unit and the protection unit and is connected with the installation unit. The household solar water heating system has the advantages that the heat collecting devices are arranged in a partitioned mode, the circulating device and the first liquid storage device are used for intensively preheating cold water, the operation cost is low, the heat loss of the system is small, and the problems that an existing household solar water heating system is low in heat collecting efficiency, and the occupied space of a water storage tank is large are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of residential building energy conservation, and in particular to a balcony structure and system for facilitating installation of solar energy collector panels, and a zoned heat collection type solar energy system. Background Art

[0002] At present, the collectors of centralized solar water heaters in high-rise residential buildings are mostly placed on the roof. When in use, there are problems such as insufficient water pressure (hot water is mainly delivered to residents by gravity) and large heat loss (large span of floors, long pipelines, and large heat loss during transportation). For household solar water heating systems, there are also problems such as low heat collection and large space occupied by water storage tanks.

[0003] Currently, no effective solution has been proposed for the problems of low heat collection efficiency and large space occupied by water storage tanks in existing household solar water heating systems in related technologies. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies in the prior art and to provide a balcony structure, system and partitioned solar energy system that are convenient for installing solar collector panels, so as to solve the problems of low heat collection efficiency and large space occupied by water tanks in the existing household solar water heating systems in the related art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] In a first aspect, a balcony structure is provided for facilitating installation of a solar thermal collector panel, comprising:

[0007] Structural unit;

[0008] An installation unit, the installation unit is arranged outside the structural unit, the top of the installation unit is arranged lower than the top of the structural unit, and the installation unit is connected to the heat collecting device;

[0009] A protection unit, which is arranged on the top of the installation unit and connected to the structural unit;

[0010] A waterproof unit, which is arranged to cover the top of the mounting unit and is located below the heat collecting device, and the top of the waterproof unit is connected to the mounting unit;

[0011] A sealing unit is disposed between the waterproof unit and the protection unit and is connected to the mounting unit.

[0012] In some embodiments, the structural unit includes:

[0013] A beam element, wherein the middle portion of the outer side of the beam element is connected to the top of the mounting unit, and the top of the beam element is connected to the inner side of the protection unit.

[0014] In some of the embodiments, the installation unit includes:

[0015] A first mounting element, wherein the first mounting element is arranged outside the structural unit, the top of the first mounting element is arranged lower than the top of the structural unit, and the waterproof unit and the heat collecting device are arranged above the first mounting element;

[0016] A second mounting element, which is arranged outside the structural unit and located at the bottom of the first mounting element, and an outer end of the second mounting element is connected to the heat collecting device;

[0017] A third mounting element is arranged at the outer side of the first mounting element and connected to the top of the waterproof unit. The protective unit is arranged on the top of the third mounting element.

[0018] In some embodiments, the waterproof unit includes:

[0019] A waterproof element is provided to cover the top of the mounting unit and is located below the heat collecting device, and the top of the waterproof element is connected to the mounting unit.

[0020] In some of the embodiments, it also includes:

[0021] The decoration unit covers the bottom of the structural unit and the bottom of the installation unit and is connected to the installation unit.

[0022] In a second aspect, a balcony system is provided for facilitating installation of a solar thermal collector panel, comprising:

[0023] The balcony structure as described in the first aspect;

[0024] A heat collecting device is arranged above the waterproof unit of the balcony structure and connected to the mounting unit of the balcony structure, and is used for collecting and utilizing solar energy to heat the liquid flowing through the heat collecting device.

[0025] In a third aspect, a zoned heat-collecting solar energy system is provided, comprising:

[0026] Several heat collecting devices as described in the second aspect;

[0027] A first liquid storage device, the first liquid storage device is respectively connected to the plurality of heat collecting devices and is used to store liquid;

[0028] a circulation device, the circulation device being respectively connected to the plurality of heat collecting devices and the first liquid storage device, and being used for circulating the liquid between the first liquid storage device and the plurality of heat collecting devices;

[0029] A sensor device, which is disposed on the heat collecting device and connected to the circulation device, and is used to sense the temperature of the internal liquid of the heat collecting device and control the opening / closing of the circulation device;

[0030] a second liquid storage device, the second liquid storage device being in communication with the first liquid storage device and being used for storing liquid reaching a set temperature;

[0031] a heating device, the heating device being disposed in the second liquid storage device and being used for heating the liquid inside the second liquid storage device;

[0032] A liquid conveying device is respectively connected to the plurality of heat collecting devices, the first liquid storage device, and the second liquid storage device.

[0033] In some embodiments, the liquid delivery device comprises:

[0034] a first liquid transport unit, the first liquid transport unit being respectively connected to the plurality of heat collecting devices, the first liquid storage device, and the circulation device, and being used for transporting liquid from the first liquid storage device to the plurality of heat collecting devices;

[0035] a second liquid delivery unit, the second liquid delivery unit being respectively connected to the plurality of heat collecting devices and the first liquid storage device, and being used for delivering liquid from the plurality of heat collecting devices to the first liquid storage device;

[0036] A third liquid delivery unit is connected to the first liquid storage device and the second liquid storage device respectively, and is used to deliver liquid from the first liquid storage device to the second liquid storage device.

[0037] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0038] The utility model provides a balcony structure, system and partitioned heat collection type solar energy system which are convenient for installing solar heat collection panels. Heat collection devices are arranged in partitions, and cold water is centrally preheated by using a circulation device and a first liquid storage device, and then heat is centrally stored by using a second liquid storage device. The operation cost is low and the heat loss of the system is small, thus solving the problems of low heat collection efficiency and large space occupied by water storage tanks in existing household solar water heating systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 1 is a schematic diagram of a balcony structure according to an embodiment of the utility model;

[0040] Figure 2 is a schematic diagram of a structural unit according to an embodiment of the utility model;

[0041] Figure 3 is a schematic diagram of a mounting unit according to an embodiment of the utility model;

[0042] Figure 4 is a schematic diagram of a waterproof unit according to an embodiment of the utility model;

[0043] Figure 5 is a schematic diagram of a balcony structure according to an embodiment of the utility model (II);

[0044] Figure 6 is a schematic diagram of a balcony system according to an embodiment of the utility model;

[0045] Figure 7 is a schematic diagram of a zoned heat-collecting solar energy system according to an embodiment of the utility model (I);

[0046] Figure 8 is a schematic diagram of a liquid delivery device according to an embodiment of the utility model;

[0047] Fig. 9 is a schematic diagram of a zoned heat-collecting solar energy system according to an embodiment of the utility model (II);

[0048] The accompanying drawings are numerals 100, balcony structure;

[0049] 110. Structural element; 111. Beam element;

[0050] 120, mounting unit; 121, first mounting element; 122, second mounting element; 123, third mounting element;

[0051] 130. Protection unit;

[0052] 140. waterproof unit; 141. waterproof element;

[0053] 150. Sealing unit;

[0054] 160. Decorative unit;

[0055] 200. Heat collecting device;

[0056] 300, a first liquid storage device;

[0057] 400, circulation device;

[0058] 500, sensor device;

[0059] 600, a second liquid storage device;

[0060] 700. Heating device;

[0061] 800, liquid delivery device; 810, first liquid delivery unit; 820, second liquid delivery unit; 830, third liquid delivery unit;

[0062] 900. Valve device. DETAILED DESCRIPTION

[0063] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0064] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0065] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0066] Example 1

[0067] This embodiment relates to the balcony structure of the utility model.

[0068] An illustrative embodiment of the present utility model is as follows: Figure 1 As shown, a balcony structure 100 for facilitating installation of a solar thermal collector includes a structural unit 110, an installation unit 120, a protective unit 130, a waterproof unit 140, and a sealing unit 150. The installation unit 120 is arranged outside the structural unit 110, the top of the installation unit 120 is arranged lower than the top of the structural unit 110, and the installation unit 120 is connected to the thermal collector; the protective unit 130 is arranged on the top of the installation unit 120 and is connected to the structural unit 110; the waterproof unit 140 covers the top of the installation unit 120 and is located below the thermal collector, and the top of the waterproof unit 140 is connected to the installation unit 120; the sealing unit 150 is arranged between the waterproof unit 140 and the protective unit 130, and is connected to the installation unit 120.

[0069] In some of the embodiments, the protection unit 130 includes but is not limited to protection structures such as glass railings and metal railings.

[0070] In some embodiments, the sealing unit 150 includes but is not limited to silicone sealant and the like.

[0071] like Figure 2As shown, the structural unit 110 includes a beam element 111 , wherein the middle portion of the outer side of the beam element 111 is connected to the top of the mounting unit 120 , and the top of the beam element 111 is connected to the inner side of the protection unit 130 .

[0072] In some of the embodiments, the planar shape of the beam element 111 includes but is not limited to an L-shape, a U-shape, and a straight shape.

[0073] In some of the embodiments, the cross-section of the beam element 111 is rectangular.

[0074] In some of the embodiments, the beam element 111 includes but is not limited to a cast-in-place reinforced concrete beam.

[0075] like Figure 3 As shown, the mounting structure includes a first mounting element 121, a second mounting element 122 and a third mounting element 123. The first mounting element 121 is arranged on the outside of the structural unit 110, the top of the first mounting element 121 is arranged lower than the top of the structural unit 110, and a waterproof unit 140 and a heat collecting device are arranged above the first mounting element 121; the second mounting element 122 is arranged on the outside of the structural unit 110 and located at the bottom of the first mounting element 121, and the outer end of the second mounting element 122 is connected to the heat collecting device; the third mounting element 123 is arranged on the outside of the first mounting element 121 and connected to the top of the waterproof unit 140, and a protective unit 130 is arranged on the top of the third mounting element 123.

[0076] Specifically, the first installation element 121 is disposed on the outer side of the beam element 111 , and the top of the first installation element 121 is disposed lower than the top of the beam element 111 ; the second installation element 122 is disposed at the lower part of the outer side of the beam element 111 .

[0077] In some of the embodiments, the first installation element 121 is connected to the beam element 111 via a metal embedded part.

[0078] In some embodiments, the first mounting element 121 includes a first transverse mounting member, a plurality of first longitudinal mounting members, and a plurality of second longitudinal mounting members. The first transverse mounting member is disposed at the middle of the outer side of the beam member 111, and a third mounting member 123 is disposed at the outer side of the first transverse mounting member; a plurality of first longitudinal mounting members are disposed at intervals at the bottom of the first transverse mounting member; and a plurality of second longitudinal mounting members are disposed obliquely at the outer sides of the corresponding first longitudinal mounting members and are connected to the waterproof unit 140 and the heat collecting device.

[0079] The size of the first transverse mounting member matches the size of the beam element 111. Generally, the axial dimension of the first transverse mounting member is not greater than the axial dimension of the beam element 111.

[0080] In some of the embodiments, the first transverse mounting member includes but is not limited to a light steel keel.

[0081] In some of the embodiments, the connection method between the first longitudinal mounting member and the first transverse mounting member includes but is not limited to welding.

[0082] The size of the first longitudinal mounting member matches the size of the beam element 111. Generally, the axial size of the first longitudinal mounting member is smaller than the distance from the bottom surface of the beam element 111 to the first transverse mounting member.

[0083] In some of the embodiments, the first longitudinal mounting member includes but is not limited to a light steel keel.

[0084] In some of the embodiments, the connection method between the second longitudinal mounting member and the first longitudinal mounting member includes but is not limited to welding.

[0085] In some of the embodiments, the angle between the second longitudinal mounting member and the first longitudinal mounting member is 120° to 135°.

[0086] In some of the embodiments, the second longitudinal mounting member includes but is not limited to a light steel keel.

[0087] In some of the embodiments, the second mounting element 122 is connected to the beam element 111 via a metal embedded part.

[0088] In some embodiments, there are multiple second installation elements 122 , which are spaced apart from each other along the axial direction of the beam element 111 .

[0089] The size of the second mounting element 122 matches the size of the decoration unit 160. Generally, the axial size of the second mounting element 122 is smaller than the radial size of the decoration unit 160.

[0090] In some of the embodiments, the second mounting element 122 includes but is not limited to a light steel keel.

[0091] In some of the embodiments, the connection method between the third installation element 123 and the first installation element 121 includes but is not limited to welding and screw connection.

[0092] In some of the embodiments, the third installation element 123 is snap-fitted to the protection unit 130 , and the third installation element 123 and the protection unit 130 are fixed by filling a structural sealant.

[0093] The size of the third mounting element 123 matches the size of the beam element 111. Generally, the axial dimension of the third mounting element 123 is equal to the axial dimension of the beam element 111.

[0094] In some embodiments, the cross section of the third installation element 123 is U-shaped. Specifically, the open end of the third installation element 123 is disposed upward and connected to the protection unit 130 .

[0095] In some of the embodiments, the third mounting element 123 includes but is not limited to a metal mounting groove.

[0096] like Figure 4 As shown, the waterproof unit 140 includes a waterproof element 141. The waterproof element 141 is arranged to cover the top of the installation unit 120 and is located below the heat collection device. The top of the waterproof element 141 is connected to the installation unit 120.

[0097] Specifically, the waterproof element 141 is disposed to cover the top of the first installation element 121 , and the top of the waterproof element 141 is connected to the third installation element 123 .

[0098] More specifically, the waterproof element 141 covers the outer side of the first transverse mounting member, the outer side of the first longitudinal mounting member, and the top of the second longitudinal mounting member, and abuts against the top of the second longitudinal mounting member.

[0099] In some of the embodiments, the waterproof element 141 is fixedly connected to the second longitudinal mounting member by screws.

[0100] In some of the embodiments, the waterproof element 141 is fixedly connected to the third mounting element 123 by screws.

[0101] The size of the waterproof element 141 matches the size of the third mounting element 123. Generally, the axial size of the waterproof element 141 is equal to the axial size of the third mounting element 123.

[0102] In some embodiments, the cross section of the waterproof element 141 is in the shape of a broken line. Specifically, the bending angle of the broken line is equal to the angle between the second longitudinal mounting member and the first longitudinal mounting member, which is 120° to 135°.

[0103] In some of the embodiments, the waterproof element 141 includes but is not limited to a lightweight metal plate.

[0104] Example 2

[0105] This embodiment is a supplementary embodiment of Embodiment 1.

[0106] like Figure 5 As shown, the balcony structure 100 further includes a decoration unit 160 , wherein the decoration unit 160 covers the bottom of the structure unit 110 and the bottom of the installation unit 120 , and is connected to the installation unit 120 .

[0107] Specifically, the decoration unit 160 is disposed to cover the bottom of the beam element 111 and the bottom of the first installation element 121 , and is connected to the second installation element 122 .

[0108] In some embodiments, the decoration unit 160 is connected to the second installation element 122 by screws.

[0109] The size of the decoration unit 160 matches the size of the beam element 111. Generally, the axial dimension of the mounting unit 120 is equal to the axial dimension of the beam element 111.

[0110] The size of the decoration unit 160 matches the size of the waterproof element 141. Generally, the radial size of the mounting unit 120 is equal to the radial size of the waterproof element 141.

[0111] In some of the embodiments, the decoration unit 160 includes but is not limited to a decoration metal plate and the like.

[0112] Example 3

[0113] This embodiment relates to a balcony system of the utility model.

[0114] like Figure 6 As shown, a balcony system for facilitating installation of solar thermal collector panels comprises the balcony structure 100 and the thermal collector 200 as described in Examples 1 and 2. The thermal collector 200 is disposed above the waterproof unit 140 of the balcony structure 100 and connected to the installation unit 120 of the balcony structure 100, and is used to collect and utilize solar energy to heat the liquid flowing through the thermal collector 200.

[0115] Specifically, the top and the bottom of the heat collection device 200 are connected to the first installation element 121 and the second installation element 122 respectively.

[0116] More specifically, the top of the heat collecting device 200 is connected to the second longitudinal mounting member.

[0117] In some of the embodiments, the heat collecting device 200 is connected to the second longitudinal mounting member and the second mounting element 122 via metal angle brackets.

[0118] In some of the embodiments, the heat collection device 200 is a solar heat collection tube.

[0119] Example 4

[0120] This embodiment relates to a zoned heat collection solar energy system of the utility model.

[0121] like Figure 7As shown, a zoned heat collection solar energy system includes a plurality of heat collection devices 200 , a first liquid storage device 300 , a circulation device 400 , a sensor device 500 , a second liquid storage device 600 , a heating device 700 and a liquid delivery device 800 . Among them, the first liquid storage device 300 is connected to several thermal collecting devices 200 respectively, and is used to store liquid; the circulation device 400 is connected to several thermal collecting devices 200 and the first liquid storage device 300 respectively, and is used to circulate the liquid between the first liquid storage device 300 and several thermal collecting devices 200; the sensor device 500 is arranged on the thermal collecting device 200 and connected to the circulation device 400, and is used to sense the temperature of the internal liquid of the thermal collecting device 200 and control the opening / closing of the circulation device 400; the second liquid storage device 600 is connected to the first liquid storage device 300, and is used to store liquid that reaches the set temperature; the heating device 700 is arranged on the second liquid storage device 600, and is used to heat the liquid inside the second liquid storage device 600; the liquid conveying device 800 is connected to several thermal collecting devices 200, the first liquid storage device 300, and the second liquid storage device 600 respectively.

[0122] In some of the embodiments, the number of the heat collection devices 200 is twelve.

[0123] In some of the embodiments, the heat collection device 200 is a solar heat collection tube.

[0124] In some of the embodiments, the first liquid storage device 300 is a solar water tank.

[0125] In some of the embodiments, the circulation device 400 is a circulating water pump.

[0126] In some of the embodiments, the sensing device 500 is a temperature sensor.

[0127] In some of the embodiments, the second liquid storage device 600 is a constant temperature water tank.

[0128] In some of the embodiments, the heating device 700 includes but is not limited to an electric heating rod and the like.

[0129] like Figure 8As shown, the liquid delivery device 800 includes a first liquid delivery unit 810, a second liquid delivery unit 820 and a third liquid delivery unit 830. The first liquid delivery unit 810 is respectively connected to a plurality of heat collecting devices 200, a first liquid storage device 300 and a circulation device 400, and is used to deliver liquid from the first liquid storage device 300 to the plurality of heat collecting devices 200; the second liquid delivery unit 820 is respectively connected to a plurality of heat collecting devices 200 and a first liquid storage device 300, and is used to deliver liquid from the plurality of heat collecting devices 200 to the first liquid storage device 300; the third liquid delivery unit 830 is respectively connected to the first liquid storage device 300 and the second liquid storage device 600, and is used to deliver liquid from the first liquid storage device 300 to the second liquid storage device 600.

[0130] In some of the embodiments, the first liquid delivery unit 810 includes but is not limited to a PVC water pipe or the like.

[0131] In some of the embodiments, the second liquid delivery unit 820 includes but is not limited to a PVC water pipe or the like.

[0132] In some of the embodiments, the third liquid delivery unit 830 includes but is not limited to a PVC water pipe or the like.

[0133] like Fig. 9 As shown, the zoned heat collection solar energy system further includes a plurality of valve devices 900. The plurality of valve devices 900 are disposed on the liquid delivery device 800 to control the flow of the liquid passing through the liquid delivery device 800.

[0134] Specifically, a plurality of valve devices 900 are respectively disposed in the first liquid delivery unit 810 , the second liquid delivery unit 820 , and the third liquid delivery unit 830 .

[0135] In some of the embodiments, the valve device 900 includes but is not limited to a safety valve.

[0136] The method of using the utility model is as follows:

[0137] The first liquid storage device 300 is externally connected to the municipal water supply;

[0138] The heat collecting device 200 is installed on the outside of the balcony structure 100, and 12 heat collecting devices 200 form a group;

[0139] When the temperature of the liquid in the heat collecting device 200 rises to a set value, the sensor device 500 senses and sends a signal to the circulation device 400 to start the circulation device 400, so that the liquid with a lower temperature in the first liquid storage device 300 is transported to the heat collecting device 200 for heating, so that the temperature of the liquid in the first liquid storage device 300 rises;

[0140] When the temperature inside the first liquid storage device 300 reaches the preheating temperature, the valve device 900 is opened to transport the liquid inside the first liquid storage device 300 to the second liquid storage device 600 for constant temperature storage and heating;

[0141] The second liquid storage device 600 then transports the liquid with a higher temperature to the household pipelines through the water supply pipe.

[0142] The utility model has the advantages of arranging heat collecting devices in different areas, and using the circulation device and the first liquid storage device to centrally preheat the cold water, and then using the second liquid storage device to centrally store heat, with low operating costs and small heat loss of the system, thus solving the problems of low heat collection efficiency and large space occupied by water storage tanks in existing household solar water heating systems.

[0143] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A balcony structure convenient for installing solar thermal panels, characterized in that: include: Structural unit; An installation unit, the installation unit is arranged outside the structural unit, the top of the installation unit is arranged lower than the top of the structural unit, and the installation unit is connected to the heat collecting device; A protection unit, which is arranged on the top of the installation unit and connected to the structural unit; A waterproof unit, which is arranged to cover the top of the mounting unit and is located below the heat collecting device, and the top of the waterproof unit is connected to the mounting unit; A sealing unit is disposed between the waterproof unit and the protection unit and is connected to the mounting unit.

2. The balcony structure according to claim 1, characterized in that: The structural unit comprises: A beam element, wherein the middle portion of the outer side of the beam element is connected to the top of the mounting unit, and the top of the beam element is connected to the inner side of the protection unit.

3. The balcony structure according to claim 1, characterized in that: The installation unit comprises: A first mounting element, wherein the first mounting element is arranged outside the structural unit, the top of the first mounting element is arranged lower than the top of the structural unit, and the waterproof unit and the heat collecting device are arranged above the first mounting element; A second mounting element, which is arranged outside the structural unit and located at the bottom of the first mounting element, and an outer end of the second mounting element is connected to the heat collecting device; A third mounting element is arranged at the outer side of the first mounting element and connected to the top of the waterproof unit. The protective unit is arranged on the top of the third mounting element.

4. The balcony structure according to claim 1, characterized in that: The waterproof unit comprises: A waterproof element is provided to cover the top of the mounting unit and is located below the heat collecting device, and the top of the waterproof element is connected to the mounting unit.

5. The balcony structure according to any one of claims 1 to 4, characterized in that: Also includes: The decoration unit covers the bottom of the structural unit and the bottom of the installation unit and is connected to the installation unit.

6. A balcony system for facilitating installation of solar thermal panels, characterized in that: include: The balcony structure according to any one of claims 1 to 5; A heat collecting device is arranged above the waterproof unit of the balcony structure and connected to the mounting unit of the balcony structure, and is used for collecting and utilizing solar energy to heat the liquid flowing through the heat collecting device.

7. A zoned heat-collecting solar energy system, characterized in that: include: Several heat collecting devices as claimed in claim 6; A first liquid storage device, the first liquid storage device is connected to the plurality of heat collecting devices respectively and is used to store liquid; a circulation device, the circulation device being respectively connected to the plurality of heat collecting devices and the first liquid storage device, and being used for circulating the liquid between the first liquid storage device and the plurality of heat collecting devices; A sensor device, which is disposed on the heat collecting device and connected to the circulation device, and is used to sense the temperature of the internal liquid of the heat collecting device and control the opening / closing of the circulation device; a second liquid storage device, the second liquid storage device being in communication with the first liquid storage device and being used for storing liquid reaching a set temperature; a heating device, the heating device being disposed in the second liquid storage device and being used for heating the liquid inside the second liquid storage device; A liquid conveying device is connected to the plurality of heat collecting devices, the first liquid storage device, and the second liquid storage device respectively.

8. The zoned heat-collecting solar energy system according to claim 7, characterized in that: The liquid delivery device comprises: a first liquid transport unit, the first liquid transport unit being respectively connected to the plurality of heat collecting devices, the first liquid storage device, and the circulation device, and being used for transporting liquid from the first liquid storage device to the plurality of heat collecting devices; a second liquid delivery unit, the second liquid delivery unit being respectively connected to the plurality of heat collecting devices and the first liquid storage device, and being used for delivering liquid from the plurality of heat collecting devices to the first liquid storage device; A third liquid delivery unit is connected to the first liquid storage device and the second liquid storage device respectively, and is used to deliver liquid from the first liquid storage device to the second liquid storage device.

9. The zoned heat-collecting solar energy system according to claim 7, characterized in that: Also includes: A plurality of valve devices are provided on the liquid delivery device to control the flow of liquid passing through the liquid delivery device.

Images