WO2018170812A1 - 智能太阳能热泵管理系统和管理方法 - Google Patents

智能太阳能热泵管理系统和管理方法 Download PDF

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WO2018170812A1
WO2018170812A1 PCT/CN2017/077779 CN2017077779W WO2018170812A1 WO 2018170812 A1 WO2018170812 A1 WO 2018170812A1 CN 2017077779 W CN2017077779 W CN 2017077779W WO 2018170812 A1 WO2018170812 A1 WO 2018170812A1
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heat pump
water
management system
solar
temperature
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PCT/CN2017/077779
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English (en)
French (fr)
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李小伦
吴卫峰
彭华
易凤明
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深圳市瑞荣创电子科技有限公司
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Priority to PCT/CN2017/077779 priority Critical patent/WO2018170812A1/zh
Publication of WO2018170812A1 publication Critical patent/WO2018170812A1/zh

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  • the present invention relates to a solar heat pump management system, and more particularly to a smart solar heat pump management system and management method.
  • Solar energy is increasingly favored by people because of its abundant resources, pollution-free, sustainable use, free use and no need for transportation.
  • Solar water heaters use the principle of photothermal conversion to heat water from low temperature to high temperature to meet people's demand for hot water.
  • solar heat pumps Since its development, solar heat pumps have been widely used because of their safety, energy saving, environmental protection, economy and practicality.
  • some deficiencies have been gradually revealed. For example, in the rainy weather with insufficient irradiation and winter sputum, the thermal efficiency is low and the amount of heat exchange water is small, which cannot meet the application requirements.
  • Some solar heat pump systems supplement the heat of solar energy by adding other heating sources, but they have poor thermal efficiency and high energy consumption.
  • the present invention provides a smart solar heat pump management system and management method with high heat energy utilization rate and low energy consumption.
  • An intelligent solar heat pump management system includes a solar collector, a hot water storage tank, and an air source heat pump, a temperature sensor, and a water supply valve respectively connected to the heat pump management system, wherein the solar collector and the air source heat pump are both
  • the water storage tank is connected; the water inlet of the water supply valve is connected with the tap water, the water supply valve includes a water supply valve A and a water supply valve B, the water supply valve A is connected with the solar heat collector, the water supply valve B and the hot water storage tank
  • the plurality of temperature sensors are respectively disposed in the solar collector and the hot water storage tank, and the liquid storage tank is provided with a liquid level meter, and the liquid level meter is connected to the heat pump management system.
  • the temperature sensor is installed in the water outlet of the solar collector and the solar collector, and is also installed at the water inlet of the water filling valve.
  • the water filling valve is a solenoid valve or an electric valve.
  • an electric meter that is coupled to the heat pump management system.
  • a solar radiation detecting sensor is further included, and the solar radiation detecting sensor is connected to the heat pump management system.
  • the management method of the intelligent solar heat pump management system comprises the following steps:
  • the water temperature in the S1 solar collector is greater than the set temperature ⁇ , the heat pump management system slams the water supply valve A, and the tap water presses the hot water in the solar collector into the hot water storage tank;
  • the water temperature in the S2 solar collector is lower than the set temperature, the heat pump management system closes the water supply valve A, and the supplementary tap water is heated in the solar collector;
  • the water level in the S3 hot water storage tank is lower than the set water level, and the heat pump management system slams the water supply valve B to reach the set water level ⁇ close the water supply valve B;
  • the heat pump management system starts the air source heat pump to heat, and the water temperature in the hot water storage tank reaches the set temperature, and the heat pump management system turns off the air source heat pump.
  • step S2 the temperature at the water outlet of the solar collector is lower than the set temperature, and the heat pump management system closes the water supply valve A.
  • the method further includes the following steps, when the amount of solar radiation detected by the solar radiation detecting sensor is lower than a set value, the water temperature in the solar collector is greater than the temperature at the water inlet of the makeup valve A, that is, greater than the temperature of the tap water. ⁇ , the heat pump management system snoring the water supply valve A, the tap water pushes the hot water into the hot water storage tank.
  • the heat pump management system activates the air source heat pump according to the set temperature to heat the water temperature in the hot water storage tank to the set temperature.
  • the present invention has the following beneficial effects:
  • the intelligent solar heat pump management system and management method provided by the invention realizes the actual parameter and state monitoring of the solar heat pump system, tracks the change of the liquid level and the temperature of the water tank, and automatically hydrates and heats, and improves the hot water.
  • Supply quality and energy efficiency can also provide effective data for energy efficiency assessments and comprehensive evaluation of renewable energy building applications.
  • the intelligent solar heat pump management system comprises a solar collector, a hot water storage tank, and an air source heat pump, a temperature sensor and a water supply valve respectively connected to the heat pump management system, wherein the solar collector and the air source heat pump are both
  • the water storage tank is connected; the water inlet of the water supply valve is connected with the tap water, the water supply valve includes a water supply valve A and a water supply valve B, the water supply valve A is connected with the solar heat collector, the water supply valve B and the hot water storage tank
  • the plurality of temperature sensors are respectively disposed in the solar collector and the hot water storage tank, and the liquid storage tank is provided with a liquid level meter, and the liquid level meter is connected to the heat pump management system.
  • the temperature sensor is installed in the water outlet of the solar collector and the solar collector, and is also installed at the water inlet of the water filling valve.
  • the water filling valve is a solenoid valve or an electric valve.
  • the water outlet of the water replenishing valve is equipped with a flow meter, and the flow meter is connected to the heat pump management system. Also included is an electricity meter that is coupled to the heat pump management system.
  • the flow meter and the electric meter are used for recording the total flow rate of the system and the energy consumption of the air source heat pump, and accumulating data, providing a data foundation for the technical and economic evaluation of the performance of the solar heat pump system in the future, and obtaining valuable for the popularization and popularization of the solar water heating system. Reference data for the letter.
  • a solar radiation detecting sensor is further included, and the solar radiation detecting sensor is connected to the heat pump management system.
  • the management method of the intelligent solar heat pump management system comprises the following steps:
  • the water temperature in the S1 solar collector is greater than the set temperature ⁇ , the heat pump management system slams the water supply valve A, and the tap water presses the hot water in the solar collector into the hot water storage tank;
  • the water temperature in the S2 solar collector is lower than the set temperature ⁇ , the heat pump management system closes the water supply valve A, the supplementary tap water is heated in the solar collector, or the temperature at the water collector outlet is lower than the setting Set Temperature ⁇ , the heat pump management system closes the makeup valve A;
  • the water level in the S3 hot water storage tank is lower than the set water level, and the heat pump management system slams the water supply valve B to reach the set water level ⁇ close the water supply valve B;
  • the heat pump management system starts the air source heat pump to heat, and the water temperature in the hot water storage tank reaches the set temperature, and the heat pump management system turns off the air source heat pump.
  • the temperature at the water outlet of the solar collector is lower than the set temperature ⁇ , and the heat pump management system closes the water supply valve A, so that all the hot water in the solar collector can be pressed into the hot water storage tank, thereby improving efficiency, Energy saving.
  • the set temperature is 45-50 ° C.
  • the hot water in this temperature range can be used directly, which can improve the efficiency of hot water production. If the set temperature value is high, the hot water supply efficiency is low, and the use of hydrazine also requires the mixing valve to be added to cold water, and the lower temperature can also be lowered. Energy consumption of air source heat pumps.
  • the method further includes the following steps, when the amount of solar radiation detected by the solar radiation detecting sensor is lower than a set value, the water temperature in the solar collector is greater than the temperature at the water inlet of the makeup valve A, that is, greater than the temperature of the tap water. ⁇ , the heat pump management system snoring the water supply valve A, the tap water pushes the hot water into the hot water storage tank.
  • the heat pump management system activates the air source heat pump according to the set temperature to heat the water temperature in the hot water storage tank to the set temperature.
  • This step can make full use of solar energy and reduce the energy consumption of the air source heat pump.

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

一种太阳能热泵管理系统,包括太阳能集热器、储水水箱以及分别于热泵管理系统连接的空气源热泵、温度传感器和补水阀。太阳能集热器和空气源热泵均与储热水箱连接,补水阀的进水口与自来水连接,补水阀包括补水阀A和补水阀B,其中补水阀A与太阳能集热器连接,补水阀B与储热水箱连接。温度传感器设有多个,分别安装在太阳能集热器和储热水箱中,储热水箱内设有液位计,液位计与热泵管理系统连接。

Description

说明书 发明名称:智能太阳能热泵管理系统和管理方法 技术领域
[0001] 本发明涉及一种太阳能热泵管理系统, 尤其是智能太阳能热泵管理系统和管理 方法。
背景技术
[0002] 太阳能因其资源丰富、 无污染、 可持续利用、 免费使用且无需运输等优点, 越 来越受到人们的青睐。 太阳能热水器利用光热转换原理将水由低温加热至高温 , 以满足人们对热水使用的需求;发展至今, 太阳能热泵具有安全、 节能、 环保 、 经济实用等特点而得到了广泛应用。 但在实际应用中逐渐显示出一些不足, 如在辐照量不充足的阴雨天气和冬季吋, 其热效率低且换热水量少, 无法满足 应用要求。 有些太阳能热泵系统通过增加其它加热源来补充太阳能不足吋的热 量, 但是其热效率差、 能耗高。
技术问题
[0003] 为解决上述问题, 本发明提供一种热能利用率高、 能耗低的智能太阳能热泵管 理系统和管理方法。
问题的解决方案
技术解决方案
[0004] 具体技术方案为:
[0005] 智能太阳能热泵管理系统, 包括太阳能集热器、 储热水箱, 以及分别与热泵管 理系统连接的空气源热泵、 温度传感器和补水阀, 所述太阳能集热器和空气源 热泵均与储热水箱连接; 所述补水阀的进水口与自来水连接, 补水阀包括补水 阀 A和补水阀 B, 所述补水阀 A与太阳能集热器连接, 所述补水阀 B与储热水箱连 接; 所述温度传感器设有多个, 分别安装在太阳能集热器和储热水箱中, 所述 储热水箱内设有液位计, 所述液位计与热泵管理系统连接。
[0006] 优选的, 所述温度传感器安装在太阳能集热器的出水口和太阳能集热器中, 还 安装在补水阀的进水口处。 [0007] 优选的, 所述补水阀为电磁阀或电动阀门。
[0008] 其中, 所述补水阀的出水口装有流量计, 所述流量计与热泵管理系统连接。
[0009] 还包括电表, 所述电表与热泵管理系统连接。
[0010] 进一步, 还包括太阳能辐射检测传感器, 所述太阳能辐射检测传感器与热泵管 理系统连接。
[0011] 智能太阳能热泵管理系统的管理方法, 包括以下步骤:
[0012] S1太阳能集热器中的水温大于设定温度吋, 热泵管理系统打幵补水阀 A, 自来 水将太阳能集热器中的热水压到储热水箱中;
[0013] S2太阳能集热器中的水温低于设定温度吋, 热泵管理系统关闭补水阀 A, 补充 的自来水在太阳能集热器中加热;
[0014] S3储热水箱中水位低于设定水位吋, 热泵管理系统打幵补水阀 B, 达到设定水 位吋关闭补水阀 B ;
[0015] S4储热水箱中水温低于设定温度吋, 热泵管理系统启动空气源热泵进行加热, 储热水箱中水温达到设定温度吋, 热泵管理系统关闭空气源热泵。
[0016] 优选的, 步骤 S2为太阳能集热器出水口处的温度低于设定温度吋, 热泵管理系 统关闭补水阀 A。
[0017] 进一步, 还包括以下步骤, 当太阳能辐射检测传感器检测的太阳能辐射量低于 设定值吋, 太阳能集热器中的水温大于补水阀 A进水口处的温度吋, 即大于自来 水的温度吋, 热泵管理系统打幵补水阀 A, 自来水将热水压到储热水箱中, 当太 阳能集热器出水口处的温度与补水阀 A进水口处的温度相同吋关闭补水阀 A, 热 泵管理系统根据设定的温度启动空气源热泵将储热水箱中的水温加热到设定温 度。
[0018] 其中, 所述的设定温度为 45-50°C。
发明的有益效果
有益效果
[0019] 与现有技术相比本发明具有以下有益效果:
[0020] 本发明提供的智能太阳能热泵管理系统和管理方法实现太阳能热泵系统实吋参 数和状态监测、 跟踪液位变化与水箱温度的变化而自动补水和加热, 改善热水 供应质量和达到高效节能, 还可为能效测评以及可再生能源建筑应用系统的综 合评价提供有效的数据信息。
本发明的实施方式
[0021] 现结合实施例对本发明作进一步说明。
[0022] 实吋例 1
[0023] 智能太阳能热泵管理系统, 包括太阳能集热器、 储热水箱, 以及分别与热泵管 理系统连接的空气源热泵、 温度传感器和补水阀, 所述太阳能集热器和空气源 热泵均与储热水箱连接; 所述补水阀的进水口与自来水连接, 补水阀包括补水 阀 A和补水阀 B, 所述补水阀 A与太阳能集热器连接, 所述补水阀 B与储热水箱连 接; 所述温度传感器设有多个, 分别安装在太阳能集热器和储热水箱中, 所述 储热水箱内设有液位计, 所述液位计与热泵管理系统连接。
[0024] 优选的, 所述温度传感器安装在太阳能集热器的出水口和太阳能集热器中, 还 安装在补水阀的进水口处。
[0025] 优选的, 所述补水阀为电磁阀或电动阀门。
[0026] 其中, 所述补水阀的出水口装有流量计, 所述流量计与热泵管理系统连接。 还 包括电表, 所述电表与热泵管理系统连接。
[0027] 流量计和电表用于记录系统的总流量和空气源热泵的能耗, 累计数据, 为今后 太阳能热泵系统性能技术经济评价工作提供数据基础, 为太阳能热水系统的推 广普及获得有价信的参考数据。
[0028] 进一步, 还包括太阳能辐射检测传感器, 所述太阳能辐射检测传感器与热泵管 理系统连接。
[0029] 实施例 2
[0030] 智能太阳能热泵管理系统的管理方法, 包括以下步骤:
[0031] S1太阳能集热器中的水温大于设定温度吋, 热泵管理系统打幵补水阀 A, 自来 水将太阳能集热器中的热水压到储热水箱中;
[0032] S2太阳能集热器中的水温低于设定温度吋, 热泵管理系统关闭补水阀 A, 补充 的自来水在太阳能集热器中加热, 或者太阳能集热器出水口处的温度低于设定 温度吋, 热泵管理系统关闭补水阀 A;
[0033] S3储热水箱中水位低于设定水位吋, 热泵管理系统打幵补水阀 B, 达到设定水 位吋关闭补水阀 B ;
[0034] S4储热水箱中水温低于设定温度吋, 热泵管理系统启动空气源热泵进行加热, 储热水箱中水温达到设定温度吋, 热泵管理系统关闭空气源热泵。
[0035] 太阳能集热器出水口处的温度低于设定温度吋, 热泵管理系统关闭补水阀 A, 可以将太阳能集热器中的热水全部压入到储热水箱中, 提高效率、 节约能源。
[0036] 其中, 所述的设定温度为 45-50°C。 该温度范围的热水可以直接使用, 可以提 高出热水效率, 如果设定的温度值较高, 出热水效率低, 使用吋还需要混水阀 加入冷水使用, 较低的温度也能降低空气源热泵的能耗。
[0037] 进一步, 还包括以下步骤, 当太阳能辐射检测传感器检测的太阳能辐射量低于 设定值吋, 太阳能集热器中的水温大于补水阀 A进水口处的温度吋, 即大于自来 水的温度吋, 热泵管理系统打幵补水阀 A, 自来水将热水压到储热水箱中, 当太 阳能集热器出水口处的温度与补水阀 A进水口处的温度相同吋关闭补水阀 A, 热 泵管理系统根据设定的温度启动空气源热泵将储热水箱中的水温加热到设定温 度。
[0038] 此步骤能充分利用太阳能, 降低空气源热泵的能耗。

Claims

权利要求书
智能太阳能热泵管理系统, 其特征在于, 包括太阳能集热器、 储热水 箱, 以及分别与热泵管理系统连接的空气源热泵、 温度传感器和补水 阀, 所述太阳能集热器和空气源热泵均与储热水箱连接; 所述补水阀 的进水口与自来水连接, 补水阀包括补水阀 A和补水阀 B, 所述补水 阀 A与太阳能集热器连接, 所述补水阀 B与储热水箱连接; 所述温度 传感器设有多个, 分别安装在太阳能集热器和储热水箱中, 所述储热 水箱内设有液位计, 所述液位计与热泵管理系统连接。
根据权利要求 1所述的智能太阳能热泵管理系统, 其特征在于, 所述 温度传感器安装在太阳能集热器的出水口和太阳能集热器中, 还安装 在补水阀的进水口处。
根据权利要求 1所述的智能太阳能热泵管理系统, 其特征在于, 所述 补水阀为电磁阀或电动阀门。
根据权利要求 1所述的智能太阳能热泵管理系统, 其特征在于, 所述 补水阀的出水口装有流量计, 所述流量计与热泵管理系统连接。 根据权利要求 1所述的智能太阳能热泵管理系统, 其特征在于, 还包 括电表, 所述电表与热泵管理系统连接。
根据权利要求 1所述的智能太阳能热泵管理系统, 其特征在于, 还包 括太阳能辐射检测传感器, 所述太阳能辐射检测传感器与热泵管理系 统连接。
根据权利要求 1至 6任一项所述的智能太阳能热泵管理系统的管理方法 , 其特征在于, 包括以下步骤:
S1太阳能集热器中的水温大于设定温度吋, 热泵管理系统打幵补水阀 A, 自来水将太阳能集热器中的热水压到储热水箱中;
S2太阳能集热器中的水温低于设定温度吋, 热泵管理系统关闭补水阀 A, 补充的自来水在太阳能集热器中加热;
S3储热水箱中水位低于设定水位吋, 热泵管理系统打幵补水阀 B, 达 到设定水位吋关闭补水阀 B; S4储热水箱中水温低于设定温度吋, 热泵管理系统启动空气源热泵进 行加热, 储热水箱中水温达到设定温度吋, 热泵管理系统关闭空气源 热泵。
[权利要求 8] 根据权利要求 7所述的智能太阳能热泵管理系统的管理方法, 其特征 在于, 步骤 S2为太阳能集热器出水口处的温度低于设定温度吋, 热泵 管理系统关闭补水阀 A。
[权利要求 9] 根据权利要求 7所述的智能太阳能热泵管理系统的管理方法, 其特征 在于, 还包括以下步骤, 当太阳能辐射检测传感器检测的太阳能辐射 量低于设定值吋, 太阳能集热器中的水温大于补水阀 A进水口处的温 度吋, 即大于自来水的温度吋, 热泵管理系统打幵补水阀 A, 自来水 将热水压到储热水箱中, 当太阳能集热器出水口处的温度与补水阀 A 进水口处的温度相同吋关闭补水阀 A, 热泵管理系统根据设定的温度 启动空气源热泵将储热水箱中的水温加热到设定温度。
[权利要求 10] 根据权利要求 7所述的智能太阳能热泵管理系统的管理方法, 其特征 在于, 所述的设定温度为 45-50°C。
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