CN211233252U

CN211233252U - Fresh air system with heat recovery function

Info

Publication number: CN211233252U
Application number: CN201921084105.4U
Authority: CN
Inventors: 鲍纪伟
Original assignee: Green House Environmental Technology Taicang Co ltd
Current assignee: Green House Environmental Technology Taicang Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-08-11
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a take new trend system of heat recovery, it includes the casing, be equipped with new trend chamber, first supply air chamber, second supply air chamber, the return air chamber, the exhaust chamber, full heat exchange core, first ventilation pipe and second ventilation pipe in the casing, first supply air chamber and second supply air chamber communicate through first supply-air outlet, be equipped with respectively with new trend chamber, return air chamber, exhaust chamber, the new trend mouth that the second supply air chamber communicates, return air inlet, air exit, the second supply-air outlet, full heat exchange core includes first runner and the second runner of cross arrangement, first runner intercommunication new trend chamber and first supply air chamber, the second runner communicates return air chamber and first exhaust air chamber, first ventilation pipe communicates new trend chamber and first supply air chamber; an evaporator and a first condenser are arranged in the second air supply cavity, and a circulating mechanism is arranged outside the shell. The utility model discloses a set up circulation mechanism, can realize recycling the energy, greatly reduced the energy consumption of new trend system, play energy saving and emission reduction's effect.

Description

Fresh air system with heat recovery function

Technical Field

The utility model relates to a new trend technical field, in particular to take heat recovery's new trend system.

Background

With the technological progress, the living standard of people is continuously improved, the energy exhaustion and the environmental deterioration which are brought with the improvement are challenges which people have to face, and the challenges of indoor comfort and energy conservation and consumption reduction are more and more severe. How to increase the fresh air energy consumption with small net amount while ensuring the cleanness of indoor air is a mission-bearing topic.

The fresh air machine is an effective air purification device, is widely applied to families and public places, can circulate indoor air during working, discharges dirty indoor air outdoors on the one hand, inputs fresh outdoor air indoors after measures such as sterilization, disinfection and filtration on the other hand, and realizes convection of the indoor air through autonomous air supply and induced air, thereby performing indoor air replacement to the greatest extent.

Most of the existing fresh air systems lack energy recycling, so that the energy consumption of the fresh air systems is too high, and the energy conservation and the environmental protection are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art, the utility model aims to provide a can retrieve the new trend system of recycling, energy saving and emission reduction to the energy. The technical scheme is as follows:

a fresh air system with heat recovery comprises a shell, wherein a fresh air cavity, a first air supply cavity, a second air supply cavity, an air return cavity, an air exhaust cavity, a total heat exchange core, a first ventilation pipe and a second ventilation pipe are arranged in the shell, the first air supply cavity and the second air supply cavity are communicated through a first air supply outlet, a fresh air inlet, an air return outlet, an air exhaust outlet and a second air supply outlet which are respectively communicated with the fresh air cavity, the air return cavity, the air exhaust cavity and the second air supply cavity are arranged on the shell, the total heat exchange core comprises a first flow passage and a second flow passage which are arranged in a crossed mode, the first flow passage is communicated with the fresh air cavity and the first air supply cavity, the second flow passage is communicated with the air return cavity and the first air exhaust cavity, and the first ventilation pipe is communicated with the fresh air cavity and the first air supply cavity;

the air conditioner comprises a shell, a first air supply cavity, a second air supply cavity, a first condenser, a second condenser, a third condenser, a fourth condenser, a compressor, a three-way regulating valve, a third condenser and an electronic expansion valve, wherein the first condenser is connected with the third condenser, the fourth condenser is connected with the fourth condenser.

As a further improvement, the fresh air cavity is provided with a primary filter screen.

As a further improvement, the second air supply cavity is internally provided with a high-efficiency filter screen.

As a further improvement, the front and the back of the primary filter screen and the high-efficiency filter screen are provided with pressure sensors, and the pressure sensors are used for measuring the pressure difference between the front and the back.

As a further improvement of the utility model, the second condenser is air-cooled condenser, second condenser one side is provided with the condensation fan.

As a further improvement of the utility model, still be equipped with in the new trend chamber with the fourth fan that first ventilation pipe is connected, the fourth fan is arranged in passing through the wind in the new trend chamber first ventilation pipe delivers to first air-supplying chamber.

As a further improvement of the present invention, a fifth fan is further provided in the return air chamber, the fifth fan being connected to the second ventilation pipe, the fifth fan being adapted to pass the air in the return air chamber through the second ventilation pipe to the exhaust chamber.

As a further improvement, the first air supply cavity is provided with a first fan connected with the first air supply outlet, and the first fan is used for supplying air in the first air supply cavity to the second air supply cavity.

As a further improvement, the second air supply cavity is internally provided with a sixth fan connected with the second air supply outlet, and the sixth fan is used for sending the air in the second air supply cavity to the indoor space.

As a further improvement of the utility model, the intracavity of airing exhaust be equipped with the second fan that the air exit is connected, the second fan be used for with the wind of the intracavity of airing exhaust is sent to outdoor.

The utility model has the advantages that:

the utility model discloses a take heat recovery's new trend system can realize recycling the energy through setting up circulation mechanism, greatly reduced new trend system's energy consumption, play energy saving and emission reduction's effect.

Secondly, through setting up first ventilation pipe and second ventilation pipe, first ventilation pipe intercommunication new trend chamber and air supply chamber, the second ventilation pipe intercommunication return air chamber with the chamber of airing exhaust, in the excessive season of spring and autumn, realize supplying air and airing exhaust through first ventilation pipe and second ventilation pipe, improve the efficiency of supplying air and airing exhaust, play energy saving and emission reduction's effect.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a fresh air system with heat recovery in the embodiment of the present invention.

Description of the labeling: 100. a housing; 101. a total heat exchange core; 110. a fresh air cavity; 111. a fresh air port; 112. a second vent pipe; 113. a fourth fan; 114. a primary filter screen; 120. an air supply cavity; 121. a first air supply outlet; 122. a first fan; 130. an air return cavity; 131. an air return opening; 132. a first vent pipe; 133. a fifth fan; 140. an exhaust chamber; 141. an air outlet; 142. a second fan; 143. a third fan; 150. a second air supply cavity; 151. a second air supply outlet; 152. an evaporator; 153. a first condenser; 154. a high-efficiency filter screen; 155. a sixth fan; 161. a four-way reversing valve; 162. a gas-liquid separator; 163. a compressor; 164. a three-way regulating valve; 165. a second condenser; 166. an electronic expansion valve; 200. and (4) a valve.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Examples

As shown in fig. 1, for the fresh air system with heat recovery in the utility model, this fresh air system with heat recovery includes a casing 100, and a fresh air cavity 110, a first supply air cavity 120, a return air cavity 130, an exhaust air cavity 140, a total heat exchange core 101, a second supply air cavity 160, a first ventilation pipe 132 and a second ventilation pipe 112 are arranged in the casing 100.

The casing 100 is provided with a fresh air inlet 111, a return air inlet 131, an exhaust outlet 141 and a second air supply outlet 161 which are respectively communicated with the fresh air cavity 110, the return air cavity 130, the exhaust cavity 140 and the second air supply cavity 160, the fresh air inlet 111, the return air inlet 131, the exhaust outlet 141 and the second air supply outlet 161 are respectively provided with a valve 200, the total heat exchange core 101 comprises a first flow channel and a second flow channel which are arranged in a crossed manner, the first flow channel is communicated with the fresh air cavity 110 and the air supply cavity 120, and the second flow channel is communicated with the return air cavity 130 and the exhaust cavity 140.

The first blower 122 connected to the first air supply outlet 121 is disposed in the first air supply chamber 120, the first blower 122 is configured to supply air in the first air supply chamber 120 to the second air supply chamber 160 through the first air supply outlet 121, the second air supply chamber 160 is disposed with the sixth blower 155 connected to the second air supply outlet 161, and the sixth blower 155 is configured to supply air in the second air supply chamber 150 to the room. The second fan 142 connected to the air outlet 141 is disposed in the air discharge chamber 140, and the second fan 142 is used to send air in the air discharge chamber 140 to the outside.

The first ventilation pipe 132 is communicated with the fresh air cavity 110 and the first air supply cavity 120, a valve 200 is arranged in the first ventilation pipe 132, the first ventilation pipe 132 can send air in the fresh air cavity 110 to the first air supply cavity 120, the second ventilation pipe 112 is communicated with the return air cavity 130 and the exhaust air cavity 140, the valve 200 is arranged in the second ventilation pipe 112, and the second ventilation pipe 112 can send air in the return air cavity 130 to the exhaust air cavity 140.

The fresh air chamber 110 is further provided with a fourth fan 113 connected to the first ventilation pipe 132, and the fourth fan 113 is used for sending the air in the fresh air chamber 110 to the return air chamber 130 through the first ventilation pipe 132. The air return chamber 130 is further provided with a fifth fan 133 connected to the second ventilation pipe 112, and the fifth fan 133 is configured to send the air in the air return chamber 130 to the first air supply chamber 120 through the second ventilation pipe 112.

An evaporator 152 and a first condenser 153 are arranged in the second air supply cavity 150, a circulation mechanism is arranged outside the shell 100, the circulation mechanism comprises a four-way reversing valve 161, a gas-liquid separator 162, a compressor 163, a three-way regulating valve 164, a second condenser 165 and an electronic expansion valve 166 which are sequentially connected, the electronic expansion valve 166 is connected with the evaporator 152, the first condenser 153 and the second condenser 165 are arranged in parallel, one end of the first condenser 153 is connected with the three-way regulating valve 164, and the other end of the first condenser 153 is connected between the second condenser 165 and the electronic expansion valve 166. The second condenser 165 is an air-cooled condenser, and a condensing fan is provided at one side of the second condenser 165.

A primary filter 114 is arranged in the fresh air cavity 110, and a high-efficiency filter 154 is arranged in the second air supply cavity 150 and is used for filtering air. Preferably, pressure sensors are disposed before and after the primary filter screen 114 and the high efficiency filter screen 154, and the pressure sensors are used for measuring the pressure difference before and after the filter screens. And detecting whether the filter screen needs to be replaced according to the pressure difference.

In the cooling and dehumidifying mode in summer, the air returns to the evaporator 152 after passing through the evaporator 152, the four-way selector valve 161, the gas-liquid separator 162, the compressor 163, the four-way selector valve 161, the three-way selector valve 164, the second condenser 165, and the electronic expansion valve 166 in sequence, thereby forming a circulation loop. Because the first condenser 153 and the second condenser 165 are arranged in parallel, the air returns to the evaporator 152 after passing through the evaporator 152, the four-way reversing valve 161, the gas-liquid separator 162, the compressor 163, the four-way reversing valve 161, the three-way regulating valve 164, the first condenser 153 and the electronic expansion valve 166 in sequence, and forms another circulation loop. The temperature of the first condenser 153 is controlled by adjusting the air flow to the first condenser 153 through the control three-way regulating valve 164, and cooling and dehumidification are realized.

In the winter heating mode, air returns to the evaporator 152 after passing through the evaporator 152, the electronic expansion valve 166, the second condenser 165, the three-way regulating valve 164, the four-way reversing valve 161, the gas-liquid separator 162, the compressor 163 and the four-way reversing valve 161 in sequence, thereby forming a circulation loop. Also, since the first condenser 153 is disposed in parallel with the second condenser 165, another circulation loop is formed. The temperature of the first condenser 153 is controlled by adjusting the air flow to the first condenser 153 through the control three-way adjusting valve 164, and when the heat release amount of the first condenser 153 is far larger than the heat absorption amount of the evaporator 152, the heating and temperature rise are realized.

In transition seasons, the valves 200 on the first ventilation pipe 132 and the second ventilation pipe 112 are opened, the fourth fan 113 and the fifth fan 133 are opened, and direct air supply and exhaust are realized through the first ventilation pipe 132 and the second ventilation pipe 112, so that the service life of the total heat exchange core 101 can be prolonged.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A fresh air system with heat recovery is characterized by comprising a shell, wherein a fresh air cavity, a first air supply cavity, a second air supply cavity, an air return cavity, an air exhaust cavity, a total heat exchange core, a first ventilation pipe and a second ventilation pipe are arranged in the shell, the first air supply cavity and the second air supply cavity are communicated through a first air supply outlet, a fresh air inlet, an air return outlet, an air exhaust outlet and a second air supply outlet which are respectively communicated with the fresh air cavity, the air return cavity, the air exhaust cavity and the second air supply cavity are arranged on the shell, the total heat exchange core comprises a first flow passage and a second flow passage which are arranged in a crossed mode, the first flow passage is communicated with the fresh air cavity and the first air supply cavity, the second flow passage is communicated with the air return cavity and the first air exhaust cavity, and the first air supply cavity is communicated with the fresh air cavity and the first ventilation pipe;

the second air supply cavity is internally provided with an evaporator and a first condenser, the shell is externally provided with a circulating mechanism, the circulating mechanism comprises a four-way reversing valve, a gas-liquid separator, a compressor, a three-way regulating valve, a second condenser and an electronic expansion valve which are sequentially connected, the electronic expansion valve is connected with the evaporator, one end of the first condenser is connected with the three-way regulating valve, and the other end of the first condenser is connected between the second condenser and the electronic expansion valve.

2. A fresh air system with heat recovery as recited in claim 1, wherein a primary filter screen is disposed in the fresh air chamber.

3. A fresh air system with heat recovery as recited in claim 2, wherein a high efficiency filter screen is provided in said second blowing chamber.

4. The fresh air system with heat recovery as claimed in claim 3, wherein pressure sensors are arranged in front of and behind the primary filter screen and the high efficiency filter screen, and the pressure sensors are used for measuring the pressure difference in front of and behind the primary filter screen and the high efficiency filter screen.

5. The fresh air system with heat recovery as claimed in claim 1, wherein the second condenser is an air-cooled condenser, and a condensing fan is disposed at one side of the second condenser.

6. A fresh air system with heat recovery as recited in claim 1, wherein a fourth fan is further provided in the fresh air chamber and connected to the first ventilation pipe, the fourth fan being adapted to supply the air in the fresh air chamber to the first air supply chamber through the first ventilation pipe.

7. The fresh air system with heat recovery as recited in claim 1, wherein a fifth fan is further disposed in the air return chamber and connected to the second ventilation pipe, and the fifth fan is used for sending the air in the air return chamber to the air discharge chamber through the second ventilation pipe.

8. The fresh air system with heat recovery as recited in claim 1, wherein a first fan connected to the first air supply outlet is provided in the first air supply chamber, and the first fan is configured to supply air in the first air supply chamber to the second air supply chamber.

9. The fresh air system with heat recovery as recited in claim 8, wherein a sixth fan connected to said second air supply outlet is provided in said second air supply chamber, and said sixth fan is adapted to supply air in said second air supply chamber to the room.

10. The fresh air system with heat recovery as claimed in claim 1, wherein a second fan is disposed in the air exhaust chamber and connected to the air outlet, and the second fan is used for sending air in the air exhaust chamber to the outside.