Unpowered solar water heating system for commercial premises

Abstract

The utility model discloses a kind of commercial real estate's unpowered solar water heating system, including unpowered solar heat collection module, hot water return pump, auxiliary heat source and thermostatic mixing valve by pipeline connection, the pipeline includes horizontal straight pipe and vertical straight pipe, and every section horizontal straight pipe is set with anti-vibration support hanger according to first interval spacing, and longitudinal anti-vibration support hanger is set according to second interval spacing, and the second interval is greater than the first interval;0.6 meters within the turning of every section horizontal straight pipe is provided with lateral anti-vibration support hanger, and hot water return pump is connected with corresponding horizontal straight pipe by vertical straight pipe, and vertical straight pipe is connected with hot water return pump by flexible connector. The present application, the solar system pipeline and equipment design are optimized, the heat production efficiency of hot water system and the anti-seismic performance of main pipeline are improved, and the water leakage incidence is reduced.

Description

Technical Field

[0001] This utility model relates to the field of hot water system technology, specifically to a non-powered solar water heating system for commercial real estate. Background Technology

[0002] Solar water heaters, as a clean energy source for hot water systems, are increasingly being used in commercial properties such as office buildings, shopping malls, and other commercial properties.

[0003] Most existing commercial real estate projects use non-powered solar water heating systems, which consist of solar water heaters, auxiliary heat sources, and control systems. Unlike residential solar water heating systems, commercial non-powered solar water heating systems require longer and larger diameter main pipes to supply hot water to numerous users, necessitating higher seismic resistance. Furthermore, the high power and large size of the ground-mounted equipment such as the hot water return pump and disinfection devices generate significant vibrations during operation, making their connections to the main pipes prone to loosening, cracking, and leaks. Therefore, existing non-powered solar water heating systems in commercial real estate suffer from poor seismic performance and a high frequency of leaks. Utility Model Content

[0004] To address the aforementioned shortcomings, the technical problem to be solved by this utility model is to provide a non-powered solar water heating system for commercial real estate, thereby solving the problems of poor seismic resistance of the main pipeline, high leakage frequency, and poor heat generation efficiency of the existing technology.

[0005] Therefore, a first aspect of this application provides a non-powered solar water heating system for commercial properties, including a non-powered solar collector module, a hot water return pump, an auxiliary heat source, and a thermostatic mixing valve connected by pipes. The pipes include horizontal straight pipes and vertical straight pipes, and further include:

[0006] Seismic bracing and hangers are installed at intervals of the first spacing on each section of horizontal straight pipe;

[0007] Longitudinal seismic bracing is installed at second intervals on each horizontal straight pipe section, where the second interval is greater than the first interval.

[0008] Lateral seismic bracing is installed within 0.6 meters of the bends in each section of horizontal straight pipe;

[0009] A flexible connector is provided, wherein the hot water return pump is connected to a corresponding horizontal straight pipe via a vertical straight pipe, and the vertical straight pipe is connected to the hot water return pump via the flexible connector;

[0010] The inlet of the non-powered solar collector module and the cold water input of the thermostatic mixing valve are respectively connected to the system water supply pipe. The outlet of the non-powered solar collector module is connected to the hot water input of the thermostatic mixing valve. The output of the thermostatic mixing valve is connected to the system hot water pipe. The non-powered solar collector module collects solar energy and heats the cold water transported from the system water supply pipe and stores it in the module water tank of the non-powered solar collector module.

[0011] The auxiliary heat source is connected in series with the hot water return pump in the system hot water pipe, and the hot water circulation in the system hot water pipe is realized through the system return water pipe.

[0012] Based on the above technical solutions, lateral seismic supports are installed within 0.6 meters of the bends of each horizontal straight section of the main pipeline, and seismic supports and longitudinal seismic supports are arranged reasonably, thereby improving the seismic performance of the system. On the other hand, ground equipment such as hot water return pumps are connected to the main pipeline through flexible connectors. The flexible connectors can absorb the vibration of the ground equipment, prevent the connection from loosening or cracking due to vibration, and reduce the leakage rate.

[0013] In the above technical solution, preferably, the first spacing is 12 meters and the second spacing is 24 meters. While ensuring seismic performance, the cost can be reduced through reasonable arrangement.

[0014] In the above technical solution, preferably, a disinfection device is installed on the system hot water pipe between the auxiliary heat source and the hot water return pump. The disinfection device is installed on the ground or floor and connected to the system hot water pipe via the flexible connector. This ensures water safety, and the flexible connector reduces the impact of equipment vibration, extending its service life.

[0015] In the above technical solution, preferably, a first temperature sensor is installed inside the water tank of the non-powered solar thermal collector module, and a second temperature sensor is installed at the inlet of the hot water return pump. The control device starts or stops the auxiliary heat source and the hot water return pump according to the detection value of the first temperature sensor, and starts or stops the auxiliary heat source according to the detection value of the second temperature sensor. Specifically, when the detection value of the second temperature sensor is <48℃, the auxiliary heat source is automatically turned on; when the detection value of the second temperature sensor reaches 55℃, the auxiliary heat source is automatically turned off. This further reduces energy consumption.

[0016] As can be seen from the above technical solution, the non-powered solar water heating system for commercial properties provided by this utility model solves the problems of poor seismic resistance of the main pipeline, high leakage frequency, and poor system heat generation efficiency in existing technologies. Compared with existing technologies, this utility model has the following beneficial effects:

[0017] The system's heat collection, storage, and exchange occur naturally within the equipment, requiring no conventional power. Solar radiation energy is naturally collected and stored in modular water tanks via collectors. The heat exchange from primary to secondary hot water is then completed naturally through pressurized cold water before being supplied to the user. The system operates naturally, consuming no electricity, making it environmentally friendly and energy-efficient. The solar modular water tanks house the heat exchangers, providing pressurized water supply with instant heat exchange and replenishment. Lateral seismic supports are installed within 0.6 meters of each bend in the horizontal straight pipes, with both longitudinal and lateral supports strategically placed to enhance the system's seismic performance. Furthermore, ground-level equipment such as the hot water return pump connects to the main pipeline via flexible connectors. These connectors absorb vibrations from the ground equipment, preventing loosening or cracking at connections, reducing leakage rates, improving hot water production efficiency, and lowering carbon emissions. Attached Figure Description

[0018] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments of this utility model or the prior art will be briefly introduced and explained below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of a non-powered solar water heating system for commercial real estate provided for this application;

[0020] Figure 2 This is a schematic diagram of the arrangement of the lateral seismic bracing in this application;

[0021] Figure 3 This is a schematic diagram of the arrangement of seismic bracing and hangers when a horizontal straight pipe turns in this application.

[0022] Figures 1-3 The correspondence between the parts is as follows:

[0023] 10 non-powered solar thermal collector modules, 20 hot water return pumps, 30 auxiliary heat sources, 40 thermostatic mixing valves, 70 disinfection equipment, and 90 ground equipment.

[0024] System hot water pipe 51, system return water pipe 52;

[0025] Vertical straight pipe 81, horizontal straight pipe 82. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the embodiments described below are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] To provide a clearer explanation and description of the technical solution and implementation of this utility model, several preferred specific embodiments for implementing the technical solution of this utility model are introduced below.

[0028] It should be noted that the directional terms such as "inner" and "outer", "front" and "back" and "left" and "right" in this article are based on the product's usage status. Obviously, the use of these directional terms does not limit the scope of protection of this solution.

[0029] Please see Figure 1 , Figure 1 This utility model provides a schematic diagram of a non-powered solar water heating system for commercial real estate.

[0030] like Figure 1 As shown, the present invention provides a non-powered solar water heating system for commercial real estate, including a non-powered solar collector module 10, a hot water return pump 20, an auxiliary heat source 30, and a thermostatic mixing valve 40.

[0031] The inlet of the non-powered solar collector module 10 and the cold water input of the thermostatic mixing valve 40 are connected to the system's water supply pipe, respectively. The outlet of the non-powered solar collector module 10 is connected to the hot water input of the thermostatic mixing valve 40, and the output of the thermostatic mixing valve 40 is connected to the system's hot water pipe 51. An auxiliary heat source 30 is connected in series with the hot water return pump 20 in the system's hot water pipe 51, and hot water circulation in the system's hot water pipe is achieved through the system's return water pipe 52. The auxiliary heat source 30 is an outdoor condensing storage gas water heater, installed outdoors, ensuring high safety during use.

[0032] The non-powered solar collector module 10 collects solar energy and heats the cold water supplied from the system's water supply pipeline, storing it in its module water tank. The module water tank uses gravity to transport hot water to the thermostatic mixing valve 40. When hot water is needed, the thermostatic mixing valve 40 opens, mixing the cold water supplied from the system's water supply pipeline with the hot water supplied from the module water tank, and then outputting it to the system's hot water pipeline for use by the user. The module water tank of the non-powered solar collector module 10 is equipped with a first temperature sensor T1. Based on the detection value of the first temperature sensor T1, the control device 60 starts or stops the auxiliary heat source and the hot water return pump 20 to control the hot water system temperature and prevent the hot water temperature from becoming too high or too low.

[0033] A second temperature sensor T2 is installed at the inlet of the hot water return pump 20. The control device 60 starts or stops the auxiliary heat source according to the detection value of the second temperature sensor T2. For example, when T2 < 48℃ (adjustable), the auxiliary heat source is automatically turned on for circulating heating; when T2 reaches 55℃ (adjustable), the auxiliary heat source is turned off to reduce energy consumption.

[0034] The above solutions, by optimizing the design of the main pipeline, improve the heat generation efficiency of the hot water system and the seismic performance of the main pipeline.

[0035] In this application, the system is also equipped with a disinfection device 70, which uses an ultraviolet photocatalytic oxidation AOT disinfector and is installed in the system hot water pipe between the auxiliary heat source 30 and the hot water return pump 20.

[0036] In this application, since the main pipes such as the hot water pipes and return water pipes of the system are long and have large diameters, the seismic performance of the main pipes has been optimized to improve their seismic performance. The specific scheme is as follows.

[0037] like Figure 3 As shown, the main pipeline includes a vertical straight pipe 81 and a horizontal straight pipe 82. Seismic bracing is installed at first intervals on each horizontal straight pipe segment, and longitudinal seismic bracing is installed at second intervals on each horizontal straight pipe segment. The second interval is larger than the first interval; for example, the first interval is 12 meters and the second interval is 24 meters. Lateral seismic bracing is installed within 0.6 meters of the bends in each horizontal straight pipe segment, resulting in higher stability and stronger seismic resistance of the main pipeline. The aforementioned seismic bracing uses existing products.

[0038] This application also optimizes the design of seismic bracing for horizontal straight pipe bends. Seismic bracing T is installed at intervals on the horizontal straight pipe 82, and lateral seismic bracing TL is installed within 0.6m of the bend. If the diagonal bracing of the lateral seismic bracing TL directly acts on the pipeline, it can serve as a longitudinal seismic bracing L for the pipeline on the other side. For example, if the maximum spacing of the longitudinal bracing is 24m and the maximum spacing of the lateral seismic bracing is 12m, then the spacing of one longitudinal seismic bracing is: (24+12) / 2+0.6=18.6m. This reduces the number of supports and lowers costs while ensuring seismic performance.

[0039] In this application, the connection between the ground equipment 80, such as the hot water return pump, auxiliary heat source, and disinfection equipment, and the main pipeline is achieved using a flexible connector 90. For example... Figure 3As shown, the ground equipment 80 is connected to the corresponding horizontal straight pipe 82 via a vertical straight pipe 81, and the vertical straight pipe 81 is connected to the ground equipment 90 via a flexible connector 90. The flexible connector absorbs vibrations from the ground equipment, preventing loosening or cracking of the connection points due to vibration, thus reducing the leakage rate. Lateral seismic supports TL are installed at the bends of the vertical straight pipe 81 and the horizontal straight pipe 82, and also at the bends of the vertical straight pipe 81 and the horizontal connecting pipe of the flexible connector 90, further improving the stability of the pipeline.

[0040] Based on the above description of specific embodiments, the non-powered solar water heating system for commercial properties provided by this utility model has the following advantages compared with the prior art:

[0041] First, the non-powered solar water heating system uses natural convection for heat collection, without forced temperature difference circulation, saving pipeline losses and increasing heat collection efficiency by 20%. It does not require a heat collection circulation pump, operates quietly without noise, and saves 4% of energy consumption.

[0042] Secondly, the solar water heating system achieves solar energy collection, storage, and exchange naturally within the equipment. This process requires no conventional power; the energy from solar radiation is naturally collected and stored in the modular water tank by the collector, and then naturally exchanged between primary and secondary hot water via pressurized cold water before being supplied to the user. The system operates naturally, consuming no electricity, making it environmentally friendly and energy-saving. The modular solar water tank houses the heat exchanger, providing pressurized water supply, ensuring instant hot water and fresh water quality.

[0043] Third, the non-powered solar water heating system is simpler and more efficient, solving many problems caused by the traditional solar water heating system, which involves multiple links, complex piping and control, non-replaceable heat exchangers, and unbalanced flow. These problems result in high energy consumption, high operating costs, poor stability, and susceptibility to high temperature and high pressure.

[0044] Fourth, the seismic structure of the main pipeline was optimized, improving its seismic resistance.

[0045] Fifth, flexible connectors can absorb vibrations from ground equipment, preventing loosening and cracking of connections due to vibrations, thus reducing the rate of water leakage.

[0046] Finally, it should be noted that the terms "comprising," "including," or any other variations thereof as used herein are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a…" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0047] This utility model is not limited to the above-described preferred embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model.

Claims

1. A non-powered solar water heating system for commercial real estate, comprising a non-powered solar collector module, a hot water return pump, an auxiliary heat source, and a thermostatic mixing valve connected by pipes, wherein the pipes include horizontal straight pipes and vertical straight pipes, characterized in that, Also includes: Seismic bracing and hangers are installed at intervals of the first spacing on each section of horizontal straight pipe; Longitudinal seismic bracing is installed at second intervals on each horizontal straight pipe section, where the second interval is greater than the first interval. Lateral seismic bracing is installed within 0.6 meters of the bend of each horizontal straight pipe section. If the diagonal bracing of the lateral seismic bracing acts directly on the pipeline, it can serve as a longitudinal seismic bracing for the pipeline on the other side. A flexible connector is provided, wherein the hot water return pump is connected to a corresponding horizontal straight pipe via a vertical straight pipe, and the vertical straight pipe is connected to the hot water return pump via the flexible connector; The inlet of the non-powered solar collector module and the cold water input of the thermostatic mixing valve are respectively connected to the system water supply pipe. The outlet of the non-powered solar collector module is connected to the hot water input of the thermostatic mixing valve. The output of the thermostatic mixing valve is connected to the system hot water pipe. The non-powered solar collector module collects solar energy and heats the cold water transported from the system water supply pipe and stores it in the module water tank of the non-powered solar collector module. The auxiliary heat source is connected in series with the hot water return pump in the system hot water pipe, and the hot water circulation in the system hot water pipe is realized through the system return water pipe.

2. The non-powered solar water heating system for commercial real estate according to claim 1, characterized in that, The first spacing is 12 meters, and the second spacing is 24 meters.

3. The non-powered solar water heating system for commercial real estate according to claim 1, characterized in that, A disinfection device is installed on the system hot water pipe between the auxiliary heat source and the hot water return pump. The disinfection device is installed on the ground or floor and is connected to the system hot water pipe through the flexible connector.

4. The non-powered solar water heating system for commercial real estate according to claim 1, characterized in that, The water tank of the non-powered solar thermal collector module is equipped with a first temperature sensor, and the inlet of the hot water return pump is equipped with a second temperature sensor. The control device starts or stops the auxiliary heat source and the hot water return pump according to the detection value of the first temperature sensor, and starts or stops the auxiliary heat source according to the detection value of the second temperature sensor.

5. The non-powered solar water heating system for commercial real estate according to claim 4, characterized in that, When the detected value of the second temperature sensor is less than 48°C, the auxiliary heat source is automatically turned on; when the detected value of the second temperature sensor reaches 55°C, the auxiliary heat source is automatically turned off.

6. The non-powered solar water heating system for commercial real estate according to claim 1, characterized in that, The auxiliary heat source is an outdoor condensing storage gas water heater.

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