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Gas-assisted heat pump system and control method thereof

A heat pump system and gas technology, applied in the field of heat pump equipment, can solve problems such as difficult heating effect, inability to solve heating problems, heat pump capacity attenuation, etc., to achieve good hot water supply and heating effect, reduce energy consumption, and reduce startup and shutdown. The effect of frequency

Inactive Publication Date: 2017-03-08
GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing gas-assisted heat pump system uses the gas device to supplement heating of domestic hot water, which cannot solve the heating problem
[0004] In addition, it is difficult to achieve a better heating effect due to the attenuation of the heat pump capacity when using heat pumps for heating in winter

Method used

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  • Gas-assisted heat pump system and control method thereof
  • Gas-assisted heat pump system and control method thereof
  • Gas-assisted heat pump system and control method thereof

Examples

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Embodiment Construction

[0052] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

[0053] In the description of the present invention, it should be understood that the terms of the indicated orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated The device or element must have a specific orientation, be constructed and operated in a specific orie...

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Abstract

The invention discloses a fuel gas-assisting type heat pump system and a control method thereof. The fuel gas-assisting type heat pump system comprises a water tank, a heat pump main machine, a heat exchange coil, a fuel gas main machine, a heating device, a first switching device, a second switching device, a first temperature detection device, a second temperature detection device, a third temperature detection device and a controller, wherein the heat pump main machine is connected with the water tank so as to heat water in the water tank, the heating device is connected with the heat exchange coil and the fuel gas main machine, the first switching device and the second switching device work cooperatively to form a first circulation loop, a second circulation loop and a third circulation loop, and the controller controls one of the first circulation loop, the second circulation loop and the third circulation loop to be connected according to the temperature detected by the first temperature detection device, the temperature detected by the second temperature detection device and the temperature detected by the third temperature detection device, and controls the operating state of the heat pump main machine and the operating state of the fuel gas main machine. The fuel gas-assisting type heat pump system is high in energy efficiency, and the fuel gas main machine has the hot water supply effect and further has the heating effect.

Description

technical field [0001] The invention relates to the field of heat pump equipment, in particular to a gas-assisted heat pump system and a control method thereof. Background technique [0002] A heat pump system heats hot water or provides heating by absorbing heat from the air using the reverse Carnot cycle principle. With the decrease of the external ambient temperature in winter, the heat absorbed by the heat pump from the atmosphere decreases, and the heating effect of the heat pump becomes poor. [0003] In order to improve the heating capacity of the heat pump system under low temperature conditions, industry insiders have proposed the use of gas-fired devices to supplement the attenuation of the heat pump at low temperatures. The existing gas-assisted heat pump systems all use the gas-fired device to supplement the heating of domestic hot water, which cannot solve the heating problem. [0004] In addition, using a heat pump for heating in winter is difficult to achiev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24D15/04F24D19/10
Inventor 饶荣水
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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