Air source heat pump hot water units

A technology of air source heat pump and hot water unit, which is applied in the direction of refrigerators, refrigeration components, fluid heaters, etc., and can solve problems such as mismatching of heating capacity, achieve safe and reliable operation, increase heating capacity, and ensure normal operation.

Inactive Publication Date: 2008-07-16
山东科灵节能装备股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide an air source heat pump hot water unit to solve the problem that the amount of hot water required by th

Method used

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  • Air source heat pump hot water units
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  • Air source heat pump hot water units

Examples

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Embodiment Construction

[0016] Fig. 1 shows an air source heat pump water heater, which includes a gas compression unit 1, a first heat exchanger 2 that can exchange heat with outdoor air, and a heat exchanger that can exchange heat in the first heat exchanger A fan 3 that generates a wind field around the surface, a second heat exchanger 7 that can exchange heat with user hot water, and a hot water circulation device connected to the second heat exchanger 7, the gas compression unit 1 , The first heat exchanger 2 and the second heat exchanger 7 are correspondingly connected together through the four-way valve 6, and the connection relationship between them is basically the same as that of the known heat pump water heater. The first heat exchanger 2 is composed of a fin heat exchanger, and the fan 3 is installed inside the fin heat exchanger. Such a structure is not only compact but also has high heat exchange efficiency.

[0017] The air compression unit 1 includes a first compressor 11 and a second...

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Abstract

The invention discloses an air supply heat pump hot water assembly. The key points of the invention mainly are that at least two compressors are connected in parallel; a first temperature sensor, a pressure sensor and a first controller are also connected in parallel; a first control circuit which compares the temperature signal measured by the first temperature sensor with a set value of environment temperature and leads the corresponding compressor to enter an on state according to the comparison result is arranged on the first controller, and a second control circuit which compares the pressure signal measured by the pressure sensor with a set value of pressure and controls the rotate speed of a fan according to the comparison result is also arranged on the first controller. The invention fundamentally solves the problem that the hot water quantity required by users is not matched with the heating capacity of the assembly when running in winter and summer, and the invention can guarantee the safe and reliable running of the compressor through changing the air flow of the fan. Furthermore, the invention additionally adopts a connecting air channel and a cold water circulation device to recycle the cooling energy wasted before, so as to enhance the utilization rate of the hot water assembly and reduce the energy cost of users.

Description

technical field [0001] The invention relates to the technical field of air source heat pumps, in particular to a hot water unit that uses an air source heat pump to produce hot water. Background technique [0002] Air source heat pump is a kind of equipment that can obtain low-grade heat energy from natural air, do work through electricity, and output high-grade heat energy that can be used. Its work adopts the principle of Carnot cycle. The specific working process is: after the compressor works, the gaseous refrigerant of high temperature and high pressure is discharged; the gaseous refrigerant of high temperature and high pressure enters the condenser through the four-way valve to release heat, and then becomes medium temperature and high pressure. Liquid; the medium-temperature and high-pressure liquid refrigerant is throttled and depressurized by the drying filter, sight glass and expansion valve, and becomes a low-temperature and low-pressure liquid, and then passes th...

Claims

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Application Information

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IPC IPC(8): F25B49/02F24H4/02
Inventor 沙凤歧葛建民赵铁军
Owner 山东科灵节能装备股份有限公司
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