CN203893486U - Peltier effect refrigeration and air conditioning - Google Patents

Abstract

The utility model discloses a Peltier effect refrigeration air conditioner, which comprises an indoor refrigeration system, an outdoor heat dissipation system and a hot water supply system; the low temperature generated by the semiconductor refrigerating sheet group of the indoor refrigerating system is blown out by a cold air fan, namely cold air generated by a refrigerating air conditioner can cool the indoor space; high temperature generated by a semiconductor refrigerating sheet group of the refrigerating device is conducted to a hot end water tank, so that the temperature of water in the hot end water tank is increased, hot water in the hot end water tank is conveyed to an outdoor heat dissipation system through a pipeline, and the hot water flows back to the hot end water tank after being cooled; or the hot water in the hot end water tank is conveyed to a hot water supply system through a pipeline, and the hot water can be used for supplying domestic water for people; the Peltier effect refrigeration air conditioner does not use a compressor and a refrigerant, can simultaneously refrigerate and heat, can cool people by refrigeration, can provide hot water for people by heating, not only saves energy and protects the environment, has low noise, but also greatly improves the utilization efficiency of electric energy.

Description

Peltier effect refrigeration and air conditioning

technical field

The utility model relates to the technical field of air conditioners, in particular to a Peltier effect refrigeration air conditioner.

Background technique

The air conditioner creates a comfortable local climate-conditioning appliance by adjusting the temperature and humidity of the room. In a comfortable room, a good mood, a good rest, and high work efficiency are a milestone of social progress.

In the prior art, an air-conditioning refrigeration system is composed of a compressor, a condenser, a liquid storage drier, an expansion valve, an evaporator, and a blower. Copper pipes (or aluminum pipes) and high-pressure rubber pipes are used to connect each part to form a closed system. The largest energy-consuming part of the air conditioner is the compressor. The compressor starts to work driven by the motor, driving the refrigerant to circulate in the sealed air-conditioning system. The cooling performance is affected by the working efficiency of the engine and the motor. The cooling efficiency is not high, and the mechanical The permanent compressor working system has poor stability, high noise and high power consumption, and most refrigerants are not environmentally friendly. The phenomenon of direct discharge of residual refrigerants not only destroys ozone but also pollutes the environment.

Utility model content

The main purpose of the utility model is to provide a Peltier effect refrigeration air conditioner, which solves the problem that the air conditioner in the prior art is not energy-saving and environment-friendly.

In order to achieve the above object, the utility model has the following technical solutions:

A Peltier effect refrigeration air conditioner includes an indoor refrigeration system, an outdoor cooling system and a hot water supply system.

The indoor refrigeration system includes a cold air fan, cold guide fins, semiconductor cooling fins and a heat conduction water tank, wherein the heat conduction tank is closely attached to the hot end of the semiconductor cooling fins, the cold guide fins are closely attached to the cold end of the semiconductor cooling fins, and the cold air fan Blow out the cold air at the cold guide fins to form air-conditioning cold air.

The outdoor heat dissipation system includes a heat dissipation water tank and a heat dissipation fan for cooling and cooling the heat dissipation water tank. A water outlet, and a water pump is arranged on the water inlet pipeline or the water outlet pipeline of the heat dissipation water tank.

The hot water supply system includes a hot water storage tank and a PTC heating device. The heating block of the PTC heating device is arranged in the hot water storage tank. The water outlet end of the water bucket is connected to the water inlet passage of the aforementioned heat conduction tank through the water pipe, and the water inlet end and the water outlet end of the hot water storage bucket are respectively provided with solenoid valves; one end of the hot water storage bucket is also provided with a hot water supply outlet and a tap water replenishment inlet.

When the water temperature in the hot water storage tank reaches the set temperature, the aforementioned solenoid valve is closed, and the cooling fan of the outdoor heat dissipation system is activated; The system's cooling fans stop.

As a preferred solution, the water outlet passage of the heat conduction tank, the water inlet passage of the heat dissipation water tank, and the water inlet passage of the hot water storage tank are connected to each other through a three-way connection; The water outlet passages of the buckets are connected to each other through a three-way connection.

As a preferred solution, the outdoor heat dissipation system further includes a condensed water storage tank arranged beside the heat dissipation water tank, the condensed water storage tank has a water connection port and a drain port, and the water connection port is connected to the The conduction water tank is connected, and the drain port is connected with the heat dissipation water tank through a one-way valve through a drainage water delivery pipe.

As a preferred solution, the cold guide fin is an arc-shaped fin, and an arc-shaped space is formed at the center of the cold guide fin. The arc-shaped space has an air outlet opening, and the aforementioned cold air fan is located in the arc-shaped space.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that the Peltier effect refrigeration air conditioner described in the utility model does not need to use a compressor, and the air conditioner on the body No additional large vibration will be generated, and no noise similar to that of a compressor will be generated. The entire circulation system does not contain toxic refrigerants such as freon, will not pollute the air and other environments, and will not have toxic effects on the human body; in addition, the semiconductor When the refrigeration sheet is working, it will generate a vortex. This high-temperature vortex can kill algae and stem cell harmful substances in the water, purify the water, and can also precipitate and decompose heavy metals. People use this kind of water to bathe and benefit their health. This kind of air conditioner relying on semiconductor refrigeration mainly relies on DC power supply to directly supply power to the semiconductor refrigeration sheet. The working voltage of the semiconductor refrigeration sheet is 12V ~ 24V, which is a safe voltage for the human body, which saves energy and does not cause harm to the human body. This kind of air conditioner is more energy-saving than the existing refrigeration air conditioner relying on the energy supply of the compressor, the cooling effect is better than the existing refrigeration air conditioner relying on the energy supply of the compressor, and the cooling speed is fast; and the installation space is small, easy to install, and easy to be widely used. It is a new type of air conditioner that is energy-saving, environmentally friendly, non-toxic and harmless, has good cooling effect and is easy to operate.

The physical principle of the Peltier effect is: the charge carrier moves in the conductor to form a current. Since the charge carrier is at different energy levels in different materials, when it moves from a high energy level to a low energy level, it will release excess heat. On the contrary, it needs to absorb heat from the outside (that is, it is expressed as refrigeration).

Semiconductor electronic refrigeration is also called thermoelectric refrigeration, or thermoelectric refrigeration. It is a refrigeration method that uses the "Peltier effect". It is also known as the world's three major refrigeration methods together with compression refrigeration and absorption refrigeration.

In order to more clearly illustrate the structural features, technical means and the specific purpose and functions achieved by the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the indoor refrigeration system of the embodiment of the present invention.

Fig. 3 is a control circuit diagram of an embodiment of the present invention.

Detailed ways

With reference to Fig. 1 and shown in Fig. 2, the implementation example structure of the present utility model is a kind of Peltier effect refrigeration air conditioner, comprises indoor refrigeration system 1, outdoor cooling system 2 and hot water supply system 3, and this air conditioner is split type , including an indoor unit and an outdoor unit, the indoor refrigeration system 1 is an indoor unit, the outdoor cooling system 2 is an outdoor unit, and the hot water supply system 3 is to make full use of the hot water generated by the indoor unit, which is energy-saving and convenient for people's lives.

As shown in Fig. 2, the indoor refrigeration system 1 includes a cold air fan 11, a cold guide fin 12, a semiconductor cooling fin 13 and a heat conducting water tank 14, wherein the conducting water tank 14 is closely attached to the hot end of the semiconductor cooling fin 13, and conducts cooling The fin 12 is close to the cold end of the semiconductor refrigeration sheet 13, and the cold air fan 11 blows out the cold air at the guide cold fin 12 to form air-conditioning cold air; the semiconductor refrigeration sheet 13 is a cooling method utilizing the "Peltier effect", that is, using two When a circuit composed of different conductors A and B is connected with direct current, some other heat will be released at the joint besides Joule heat, while the other joint will absorb heat, and the Peltier effect will cause This phenomenon is reversible. When the direction of the current is changed, the exothermic and heat-absorbing joints are also changed; the heat generated by the hot end of the semiconductor cooling plate 13 is absorbed by the water in the heat conduction tank 14, which makes the water temperature rise; The cold generated by the cold end of the cooling plate 13 is conducted by the cold guide fins 12, and then blown out by the cold air fan 11 to form air-conditioning cold air.

The cold guide fin 12 is an arc-shaped fin, and an arc-shaped space is formed at the center of the cold guide fin 12 . The arc-shaped space has an air outlet opening, and the aforementioned cold air fan 11 is located in the arc-shaped space.

The outdoor cooling system 2 includes a cooling water tank 21 and a cooling fan 22 for cooling and cooling the cooling water tank 21. The water inlet 16 of the aforementioned heat conduction tank 14 is connected through a water pipe, and a water pump 24 is arranged on the water inlet pipeline or the water outlet pipeline of the heat dissipation water tank 21, and the water pump 24 provides power for the water circulation between the heat conduction water tank 14 and the heat dissipation water tank 21.

The hot water supply system 3 includes a hot water storage tank 31 and a PTC heating device 32, the heating block of the PTC heating device 32 is arranged in the hot water storage tank 31, and the water inlet end 36 of the hot water storage tank 31 is connected to the aforementioned heat conduction tank through a water pipe. 14, the water outlet 35 of the hot water storage bucket 31 is connected to the water inlet passage of the aforementioned heat conduction tank 14 through a water pipe, and the water inlet 36 and the water outlet 35 of the hot water storage bucket 31 are respectively provided with solenoid valves 37; One end of 31 is also provided with a hot water supply outlet 34 and a tap water replenishment inlet 33. When the water level of the hot water storage tank 31 drops to a certain position, tap water enters the hot water storage tank 31 through the tap water replenishment inlet 33 to ensure that the hot water storage tank 31 There is sufficient water circulation with the conduction heat tank 14.

The PTC heater is composed of PTC ceramic heating element and aluminum tube. The PTC heater has the advantages of small thermal resistance and high heat exchange efficiency, and is an electric heater with automatic constant temperature and power saving. One of its outstanding features lies in its safety performance, that is, when the fan fails to stop, the power of the PTC heater will automatically drop sharply due to insufficient heat dissipation, and the surface temperature of the heater is maintained at around the Curie temperature ( Generally around 250°C), so as not to cause "redness" on the surface of heaters such as electric heating tubes.

When the water temperature in the hot water storage tank 31 reaches the set temperature, the aforementioned solenoid valve 37 is closed, and the cooling fan 22 of the outdoor heat dissipation system 2 is started, and the hot water in the heat conduction tank 14 cannot flow into the hot water storage tank 31, but can only flow into the hot water storage tank 31. The heat dissipation water tank 21 and the heat dissipation fan 22 start to dissipate heat from the heat dissipation water tank 21, the water temperature of the heat dissipation water tank 21 gradually decreases, and the low-temperature water flows into the heat conduction heat tank 14 through the water circulation pipeline, and conducts heat for the hot end of the semiconductor refrigeration sheet 113; when the hot water storage tank 31 When the medium water temperature is lower than the set temperature, the aforementioned electromagnetic valve 37 is opened, and the cooling fan 22 of the outdoor cooling system 2 is stopped, and the hot water in the heat transfer tank 14 cannot flow into the cooling water tank 21, but can only flow into the hot water storage tank 31 to transfer heat The hot water in water tank 14 li is provided to people as domestic hot water.

The water outlet passage of the heat conduction tank 14, the water inlet passage of the cooling water tank 21 and the water inlet passage of the hot water storage barrel 31 are connected to each other through a tee 25; The water outlet passages of the buckets 31 are connected to each other through the tee 26 .

The outdoor cooling system 2 also includes a condensed water storage tank 23 arranged beside the cooling water tank 21. The condensed water storage tank 23 has a water connection port 231 and a drain port 232. The water connection port 231 is connected to the The heat conduction tank 14 is connected, and the drain port 232 is connected with the heat dissipation water tank 21 through a one-way valve 234 through a drainage pipe.

As shown in Figure 3, it is the control circuit diagram of the embodiment of the present utility model, and power supply 41 comprises solar power supply, wind power supply, storage battery power supply or other DC power supply, and power supply 41 supplies power to this Peltier effect refrigeration air conditioner, and power supply 41 is controlled by switching circuit 42 controls the opening or closing of the air conditioner. The power supply 41 can be a contact direction switch or a remote control direction switch by the switch circuit 42; the power supply 41 is connected to the control unit one 43 and the control unit two 44 by the switch circuit 42, and the control unit one 43 Control the work of semiconductor refrigeration sheet 13, can control the size of semiconductor refrigeration sheet 13 cooling and heating capacity, change the current direction and can also control the switching of cooling and heating end of semiconductor refrigeration sheet 13; The temperature control probe 46 of the water storage tank and the temperature control probe 47 of the heat conduction tank, these three probes can timely feed back the temperature in the water tank to the control unit 2 44, and the control unit 2 44 controls the cooling fan according to the temperature fed back by the temperature control probe 45 of the cooling water tank 11, or control the size of the opening gear of the cooling fan 22; the control unit 2 44 controls the opening or closing of the PTC heating device 32 according to the temperature fed back by the water storage bucket temperature control probe 46, or controls the PTC heating device 32 The size of the heating power; as the control unit 2 44 learns that the water temperature in the hot water storage tank 31 reaches 46°C according to the temperature fed back by the temperature control probe 45 of the cooling water tank, the temperature control probe 46 of the water storage tank and the temperature control probe 47 of the conduction water tank. The water temperature of the water tank 21 and the water temperature of the heat conduction tank 14 are still higher than 46°C, the control unit 2 44 controls the PTC heating device 32 to shut down, and the control unit 2 44 controls the solenoid valve 1 37 and the solenoid valve 2 38 to close to ensure the heat conduction tank 14 The water inside can not flow into the hot water storage tank 31, but can only flow into the cooling water tank 21, the control unit two 44 controls the opening work of the cooling fan 22, and the water in the cooling water tank 21 cools down to ensure that the water temperature in the heat conduction tank 14 can be fully controlled by Radiating water tank 21 disperses. If the control unit 2 44 knows that the water temperature in the hot water storage tank 31 is lower than 46°C according to the temperature fed back by the temperature control probe 46 of the water storage tank, the control unit 2 44 controls the PTC heating device 32 to start working, and the control unit 2 44 Control electromagnetic valve one 37 and electromagnetic valve two 38 to open, guarantee that the water in conduction heat tank 14 li flows into hot water storage tank 31 li, does not flow into cooling water tank 21, and control unit two 44 controls the shut-off work of cooling fan 22 or starts low-power work.

The Peltier effect refrigeration air conditioner described in the utility model does not need to use a compressor, does not add extra large vibration to the body, does not generate noise similar to that of a compressor, and the entire circulation system does not contain toxic Freon, etc. Refrigerants will not pollute the air and other environments, and will not have toxic effects on the human body; this kind of air conditioner that relies on semiconductor refrigeration mainly relies on electric energy to directly supply power to semiconductor refrigeration chips, which is better than the existing refrigeration that relies on compressors to supply energy. The air conditioner is energy-saving; the cooling effect is better than that of the existing refrigeration air conditioner relying on the energy supply of the compressor, and the cooling speed is fast; and the installation space is small, easy to install, and easy to be widely used. , Easy-to-operate new air conditioner.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (4)

1. a paltie effect refrigeration air-conditioner, is characterized in that: include indoor refrigeration system, outdoor cooling system and hot water supply system;

This indoor refrigeration system includes chilled air fan, conduction cooling wing, semiconductor chilling plate and heat conduction water tank, wherein, this heat conduction water tank is close to the hot junction of semiconductor chilling plate, and conduction cooling wing is close to the cold junction of semiconductor chilling plate, and the cold air that chilled air fan blows out conduction cooling wing place forms air-conditioning cold wind;

The radiator fan that this outdoor cooling system includes cooling water tank and uses to this cooling water tank cooling, the water intake end of this cooling water tank by cross current in the delivery port of aforementioned heat conduction water tank, the water inlet of the aforementioned heat conduction water tank of cross current is passed through in the water side of cooling water tank, and is provided with water pump on the oral siphon road of cooling water tank or outlet pipeline;

This hot water supply system includes hot water water butt and PTC heater, the heating block of PTC heater is arranged in hot water water butt, the water intake end of hot water water butt is by the water passage that goes out of the aforementioned heat conduction water tank of cross current, the water side of hot water water butt is by the water passage that enters of the aforementioned heat conduction water tank of cross current, and the water intake end of hot water water butt and water side are respectively arranged with magnetic valve; One end of hot water water butt is also provided with hot water for water out and running water moisturizing entrance;

When the water temperature in hot water water butt reaches design temperature, aforementioned electric magnet valve is closed, and the radiator fan of outdoor cooling system starts; When in hot water water butt, water temperature is lower than design temperature, aforementioned electric magnet valve is opened, and the radiator fan of outdoor cooling system stops.

2. paltie effect refrigeration air-conditioner according to claim 1, is characterized in that: the water passage that enters that enters water passage and hot water water butt that goes out water passage, cooling water tank of described heat conduction water tank is connected by threeway each other; The water passage that goes out that goes out water passage and hot water water butt that enters water passage, cooling water tank of described heat conduction water tank is connected by threeway each other.

3. paltie effect refrigeration air-conditioner according to claim 1, it is characterized in that: described outdoor cooling system also comprises the condensed water storage tank that is arranged at described cooling water tank side, this condensed water storage tank has water inlet and discharge outlet, described water inlet is connected with described heat conduction water tank by water receiving water-supply-pipe, and described discharge outlet is connected by check valve with described cooling water tank by draining water-supply-pipe.

4. paltie effect refrigeration air-conditioner according to claim 1, is characterized in that: the curved fin of described conduction cooling wing, in conduction cooling wing, be formed centrally arc space, and this arc space has an air-out opening, and aforementioned chilled air fan is arranged in this arc space.