Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Heat pump unit and control method thereof

A control method and technology of a heat pump unit, applied in the field of heat pumps, can solve problems such as poor user comfort, large fluctuations in indoor ambient temperature, and low energy efficiency, and achieve the effects of improving user comfort, reducing fluctuations, and ensuring energy efficiency

Active Publication Date: 2018-01-09
GREE ELECTRIC APPLIANCES INC
View PDF12 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing air source heat pumps have the problems of low energy efficiency, large fluctuations in indoor ambient temperature, and poor comfort when the compressor returns oil.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Heat pump unit and control method thereof
  • Heat pump unit and control method thereof
  • Heat pump unit and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] The present invention is described below based on the embodiments, and those skilled in the art should understand that the drawings provided here are for the purpose of illustration, and the drawings are not necessarily drawn to scale.

[0040] Unless the context clearly requires, throughout the specification and claims, "comprises", "comprises" and similar words should be interpreted in an inclusive sense rather than an exclusive or exhaustive meaning; that is, "including but not limited to" meaning.

[0041] This application provides a heat pump unit and its control method, such as figure 1 As shown, the heat pump unit includes an air source heat pump main unit 1, a water circulation pipeline 2 and terminal equipment 3 (for example, a coil in the floor). A heat pump system is arranged inside the air source heat pump main unit 1. The heat pump system includes a compressor, A heat exchanger and a second heat exchanger, the compressor, the first heat exchanger and the s...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a heat pump unit and a control method thereof. The control method of the heat pump unit includes: when the heat pump system controls the compressor to return oil, the heat pump system selects different control modes to control the compressor according to the current target outlet water temperature of the heat exchange unit. In the first control mode, directly Increase the frequency of the compressor to the first frequency, and continue to run at the first frequency until the oil return process is over; in the second control mode, first control the compressor to stop for a period of time, then restart the compressor and control the compressor to run to second frequency, and then control the compressor to continue to run at the second frequency until the oil return process ends. The heat pump unit provided by the present invention can select different control methods to control the compressor according to the target outlet water temperature when the compressor is returning oil, so that the energy efficiency of the unit can be guaranteed and the energy efficiency of the unit can be reduced during the oil return process of the compressor. Small indoor temperature fluctuations improve user comfort.

Description

technical field [0001] The invention relates to the field of heat pumps, in particular to a heat pump unit and a control method thereof. Background technique [0002] In recent years, the central and northern regions of my country have consumed a large amount of primary energy (coal) for heating every year. In addition, the global environment has continued to deteriorate, causing the northern environment to be harsh, with frequent occurrence of severe weather such as smog and sandstorms. In order to improve the environment, various All regions are implementing coal-to-electricity projects. Air source heat pump (ASHP), as a green building technology in the construction of "coal-to-electricity" project, is suitable for heating applications in my country's cold and hot summer and cold winter regions. It is an effective way to solve the problem of energy shortage to realize building energy saving through air conditioning energy saving. [0003] The air source heat pump mainly re...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F25B49/00F25B49/02
Inventor 何林张世航肖彪舒宏曾奕贺春辉
Owner GREE ELECTRIC APPLIANCES INC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com