Solar heat pump heating system coupled with separated heat pipes

A technology of solar heat pumps and separate heat pipes, applied in solar heating systems, solar thermal energy, solar thermal power generation, etc., can solve problems such as waste of electric energy and lack of definition standards for key parameters at the numerical level, achieving flexible layout and clear switching standards And clear, improve the effect of heat exchange efficiency

Pending Publication Date: 2017-12-08
NANJING NORMAL UNIVERSITY
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Problems solved by technology

Another example is the invention patent "Photovoltaic Solar Heat Pump Multi-functional Integrated System, CN200610114394.9", although a schematic diagram of the overall control structure of the system is given, but in the mode switching link, it only states which mode to run under which conditions, and does not give Defining criteria at the numerical level of key parameters
In addition, many systems use fixed-frequency compressors (such as the four related patents mentioned above all use fixed-frequency compressors by default), which causes serious waste of electric energy

Method used

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  • Solar heat pump heating system coupled with separated heat pipes

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, a solar heat pump heating system coupled with separated heat pipes includes a compressor, an outdoor solar heat collector 6, an indoor air-cooled microchannel heat exchange device 1, a throttling branch, a compressor branch and a PLC module. The solar heat collecting device 6 includes an upper air collector 6-2 of the solar heat collecting device and a lower liquid collecting pipe 6-4 of the solar heat collecting device; the indoor air-cooled microchannel heat exchange device 1 includes an upper air collector 1-1 of the microchannel heat exchange device and the lower liquid collection pipe 1-5 of the microchannel heat exchange device; the throttling branch includes a throttling device 5 and a first battery valve KM1; the compressor loop is composed of a fourth electromagnetic valve KM4, a gas-liquid separator 4, a compressor ...

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Abstract

The invention discloses a solar heat pump heating system coupled with separated heat pipes and belongs to the field of heat pump heating systems. The solar heat pump heating system comprises a compressor, an outdoor solar heat collection device, an indoor air-cooled micro-channel heat exchanging device, a throttling branch, a compressor branch and a PLC module, wherein the PLC module is used for collecting data of a temperature sensor C1, a temperature sensor C2, a temperature sensor C5, a temperature sensor C6 and an outdoor lighting instrument C3, starting a heat pump mode when solar radiation intensity exceeds a preset radiation intensity range or the indoor temperature is higher than indoor preset temperature or the outlet temperature is higher than outlet preset temperature, and starting a heat pipe mode when the solar radiation intensity does not exceed the preset radiation intensity range and the outlet temperature is higher than the outlet preset temperature.

Description

technical field [0001] The invention relates to the field of heat pump heating systems, in particular to a solar heat pump heating system coupled with separated heat pipes. Background technique [0002] Indoor heating systems using air as a heat source have problems such as frosting and low efficiency in winter. However, solar energy has been widely concerned by scholars due to its natural, abundant, safe and clean advantages. Therefore, heat pump technology using solar energy as a heat source has emerged as the times require. , and has made great progress in our country. In addition, as a high-efficiency heat transfer element, separate heat pipes are widely used in many systems due to their high heat transfer efficiency, simple structure, excellent constant temperature characteristics, and no external power equipment required for heat transfer. Although the combined application of these two technologies will be extremely advantageous and relevant progress has been made, th...

Claims

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Application Information

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IPC IPC(8): F25B27/00F25B30/02F25B41/04F24J2/32F24S10/95F25B41/20
CPCF24S10/90F25B27/005F25B30/02F25B2700/21151F25B2700/2104F25B2700/2106F25B2600/25F25B41/20Y02E10/44
Inventor 牛宝联曲培培余跃进朱永康
Owner NANJING NORMAL UNIVERSITY
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