CN204787423U - High temperature heat pump unit - Google Patents

Abstract

The utility model discloses a high-temperature heat pump unit, which comprises a compressor, a refrigerant outlet valve, a refrigerant inlet valve, an evaporator, a condenser, and a fan connected in series in a circular cycle. The principle of the Carnot cycle is used to consume a small amount of electric energy to perform work. A large amount of heat in the environment is transferred to the heat exchanger, and the waste heat discharged from the compressor is used as a heat source to convert low-temperature heat energy into high-temperature heat energy. The design of an evaporator is added outside the condenser to effectively improve the heat absorption and defrosting functions of the heat pump. When the outside air temperature is -1~-25°C, ensure that the hot water reaches the set value of 55-100°C in a short time. The high-temperature heat pump unit of the utility model realizes energy transfer from low-temperature heat energy to high-temperature heat energy, effectively controls greenhouse gas emissions, protects the ecological environment of nature, and can save a large amount of coal, fuel oil, gas, electric energy consumption and non-renewable petrochemical energy. The utility model has the advantages of simple structure, reasonable design and easy implementation.

Description

A high temperature heat pump unit

technical field

The utility model relates to a high-temperature heat pump unit. The high-temperature heat pump unit is mainly used in hotels, guesthouses, guest houses, hospitals, restaurants, saunas, high-end apartments, swimming pools, schools, industries, enterprises, families and other places that require a lot of hot water and heating.

Background technique

With the development of the economy and the continuous improvement of people's living conditions, household and commercial air-energy heat pump water heaters are becoming more and more popular. In winter, heating and hot water are required. At present, coal-fired furnaces, gas furnaces, and electric furnaces are often used with floor heating. And radiator heating for heating and hot water, causing environmental pollution and smoggy weather, and the burning of coal stoves has been banned in this area.

Utility model content

The utility model provides a high-temperature heat pump unit used for.

In order to achieve the above purpose, the utility model provides a high-temperature heat pump unit, including: a compressor, a refrigerant outlet valve, a refrigerant inlet valve, an evaporator, a condenser and a fan, wherein:

The compressor, the refrigerant outlet valve, the refrigerant inlet valve, the evaporator and the condenser are sequentially connected in series in a cycle;

After the outlet of the compressor is connected to the external hot water equipment through the outlet valve of the refrigerant, when the high-temperature heat pump unit is in the starting state, the high-pressure and high-temperature gas compressed by the compressor enters the hot water equipment for heating through the outlet valve of the refrigerant. Afterwards, after passing through the evaporator and the condenser in turn through the refrigerant inlet valve, it returns to the compressor through the fan, wherein the water inlet of the hot water equipment is connected to tap water, heated by high-temperature and high-pressure gas The final hot water is for users to use.

Further, the above-mentioned high-temperature heat pump unit further includes: a controller, the controller is provided with a switch, which is connected to the compressor and the hot water equipment respectively, and is used to control the opening and closing of the high-temperature heat pump unit.

Further, the hot water equipment is also provided with a temperature sensor for detecting the temperature of the hot water, the temperature sensor is connected to the controller, and when the water temperature is lower than the set temperature value, the temperature sensor automatically turns on the As for the high-temperature heat pump unit, when the water temperature reaches a set temperature value, the temperature sensor automatically shuts down the high-temperature heat pump unit.

Further, the heat exchanger in the hot water preparation device is any one of plate exchanger, casing heat exchanger, serpentine, straight or plate bubble-shaped exchanger.

The utility model needs heating areas in winter, and can use the air-conditioning heat pump principle to produce 60-100°C hot water in a low temperature environment of minus 25°C to replace the existing traditional coal-fired furnace, gas furnace, electric furnace with floor heating and radiator heating Heating and hot water at 55-100°C can effectively reduce environmental pollution and haze weather, save energy, protect the environment and save money.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural diagram of a high temperature heat pump unit according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Fig. 1 is a structural diagram of a high temperature heat pump unit according to an embodiment of the present invention. As shown in the figure, the high temperature heat pump unit includes: compressor 1, refrigerant outlet valve 2, refrigerant inlet valve 3, evaporator 4, condenser 5 and fan 6, wherein:

Compressor 1, refrigerant outlet valve 2, refrigerant inlet valve 3, evaporator 4 and condenser 5 are sequentially connected in series in a cycle;

After the outlet of compressor 1 is connected to the external hot water equipment through the refrigerant outlet valve 2, when the high-temperature heat pump unit is in the starting state, the high-pressure and high-temperature gas compressed by the compressor 1 enters the hot water equipment through the refrigerant outlet valve 2 for heating, and then passes through The refrigerant inlet valve 3 passes through the evaporator 4 and the condenser 5 in turn, and then returns to the compressor through the fan. At this time, the condenser 5 and the fan 6 are used as cooling and heat absorption systems, and the air passes through the waste heat of the evaporator 4 to the condenser. 5 Heat absorption, effectively improve the heat absorption and defrosting functions of the heat pump, so that when the outside air temperature is -1~-25°C, it can ensure that the hot water reaches the set value of 55-100°C in a short time. Wherein, the water inlet of the hot water equipment is connected to tap water, and the hot water heated by high-temperature and high-pressure gas is used by users (heating or hot water).

In the above-mentioned embodiment, as the high-temperature heat pump unit starts to operate, the high-pressure and high-temperature gas of the compressor is heated by connecting the hot water equipment (high-temperature heat pump water heater, dryer, etc.) through the outlet valve, thus heating the interior of the high-temperature heat pump water heater. The heated water flows out through the water outlet, and the heated water flowing out can be used for hotels, guesthouses, guest houses, hospitals, restaurants, saunas, high-end apartments, swimming pools, schools, industries, enterprises, families, etc. Use in places with a lot of hot water and heating. In this way, the principle of air energy heat pump (Carnot cycle) is used for heating, replacing the existing coal, oil, electric water heaters and other hot water and heating methods in the northern region. It saves a lot of non-renewable petrochemical energy and effectively reduces environmental pollution and haze weather.

In specific implementation, the above-mentioned high-temperature heat pump unit may also include: a controller, the controller is provided with a switch, which is respectively connected to the compressor and the hot water equipment, and is used to control the opening and closing of the high-temperature heat pump unit; The on/off controller is convenient for users to choose the function of making hot water. When the controller of the high-temperature heat pump unit is pressed to on/off, the high-temperature heat pump unit enters the air energy heat pump mode and has the function of only making hot water. The tap water is injected into the high-temperature heat pump water heater, and the heated hot water can be used for hotels, hotels, and guest houses. , Hospitals, restaurants, barbershops, saunas, high-end apartments, swimming pools, schools, businesses, families and other ground heating and daily water.

At the same time, the hot water equipment can also be equipped with a temperature sensor to detect the temperature of the hot water. The temperature sensor is connected to the controller. When the water temperature is lower than the set temperature value, the temperature sensor automatically turns on the high-temperature heat pump unit. When the temperature value is reached, the temperature sensor automatically shuts down the high-temperature heat pump unit. When the water is full, the system automatically transfers to the circulation system. When the water temperature of the high-temperature heat pump water heater reaches the set temperature value, the temperature sensor automatically turns off the compressor function to ensure that the water in the high-temperature heat pump water heater will not vaporize, avoiding steam eruption, and effectively guaranteeing Personal safety.

In addition, the heat exchanger in the hot water preparation device can be any one of plate exchanger, jacket heat exchanger, serpentine, straight or plate bubble shape exchanger.

The high-temperature heat pump unit in the above-mentioned embodiments of the utility model uses the principle of the Carnot cycle to transfer a large amount of heat in the environment to the heat exchanger by consuming a small amount of electric energy to do work, and uses the waste heat discharged from the compressor as a heat source, from low temperature Heat energy is converted into high-temperature heat energy, and the design of adding an evaporator outside the condenser can effectively improve the heat absorption and defrosting functions of the heat pump, and can ensure that the hot water reaches 55-100°C in a short time when the outside air temperature is -1～-25°C °C setpoint.

The utility model uses the waste heat discharged from the original air conditioner compressor as a heat source, adopts the Biannuo cycle principle, converts low-temperature heat energy into high-temperature heat energy, and the water passing through the high-temperature heat pump water heater absorbs a large amount of heat. The heated hot water can be used for hotels, Floor heating and daily water for hotels, guest houses, hospitals, restaurants, barbershops, saunas, high-end apartments, swimming pools, schools, industries, enterprises, families, etc.

The high-temperature heat pump unit of the utility model realizes energy transfer from low-temperature heat energy to high-temperature heat energy. It is the most economical, energy-saving and safest new-generation high-temperature heat pump integrated machine in the world today. It not only saves a lot of energy, but also reduces thermal pollution and damage to the earth's ecology. The ozone layer can effectively control greenhouse gas emissions, protect the ecological environment of nature, and can save a lot of coal, fuel oil, gas, electricity energy consumption and non-renewable petrochemical energy. Simultaneously, the utility model has the advantages of simple structure, reasonable design and easy implementation.

Those of ordinary skill in the art can understand that: the accompanying drawing is only a schematic diagram of an embodiment, and the modules or processes in the accompanying drawing are not necessarily necessary for implementing the utility model.

Those of ordinary skill in the art can understand that: the modules in the device in the embodiment may be distributed in the device in the embodiment according to the description in the embodiment, or may be changed and located in one or more devices different from the embodiment. The modules in the above embodiments can be combined into one module, and can also be further divided into multiple sub-modules.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention .

Claims (4)

1. A high-temperature heat pump unit, characterized in that it comprises: a compressor, a refrigerant outlet valve, a refrigerant inlet valve, an evaporator, a condenser and a fan, wherein: The compressor, the refrigerant outlet valve, the refrigerant inlet valve, the evaporator and the condenser are sequentially connected in series in a cycle; After the outlet of the compressor is connected to the external hot water equipment through the outlet valve of the refrigerant, when the high-temperature heat pump unit is in the starting state, the high-pressure and high-temperature gas compressed by the compressor enters the hot water equipment for heating through the outlet valve of the refrigerant. Afterwards, after passing through the evaporator and the condenser in turn through the refrigerant inlet valve, it returns to the compressor through the fan, wherein the water inlet of the hot water equipment is connected to tap water, heated by high-temperature and high-pressure gas The final hot water is for users to use. 2. The high-temperature heat pump unit according to claim 1, further comprising: a controller, the controller is provided with a switch connected to the compressor and the hot water equipment respectively, and is used to control the high-temperature heat pump Turning on and off of the unit. 3. The high-temperature heat pump unit according to claim 2, wherein the hot water equipment is further provided with a temperature sensor for detecting the temperature of the hot water, the temperature sensor is connected to the controller, and when the water temperature is low When the temperature is set, the temperature sensor automatically turns on the high-temperature heat pump unit, and when the water temperature reaches the set temperature value, the temperature sensor automatically turns off the high-temperature heat pump unit. 4. The high-temperature heat pump unit according to claim 1, characterized in that, the heat exchanger in the hot water preparation device is a plate exchanger, a casing heat exchanger, a serpentine, straight or plate bubble-shaped exchanger any of the.