CN210688590U

CN210688590U - New fan

Info

Publication number: CN210688590U
Application number: CN201921363576.9U
Authority: CN
Inventors: 刘晋鸿; 王德锁
Original assignee: Zhejiang Xingguang Dianke Intelligent Home Technology Co ltd
Current assignee: Zhejiang Xingguang Dianke Intelligent Home Technology Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-06-05
Anticipated expiration: 2029-08-21

Abstract

A new fan belongs to the technical field of new fans. The fresh air machine comprises a shell, and a condenser, an exhaust fan, an air supply fan, a compressor, an evaporator and a throttling device which are arranged in the shell; the shell is provided with an air outlet communicated with the indoor space, and the air exhaust fan and the air supply fan are arranged at the air outlet; the evaporator is connected with the condenser through the compressor, and the evaporator is also connected with the condenser through the throttling device. The utility model discloses an integration structural design has refrigeration, heats, new trend function, has solved the not enough and not high problem of heat recovery heat exchange efficiency of the outer quick-witted installation space of current new trend system.

Description

New fan

Technical Field

The utility model belongs to the technical field of fresh air control, concretely relates to new fan.

Background

At present, the fresh air is mainly divided into two types, one type has a refrigerating and heating function, and the other type does not have the refrigerating and heating function and only introduces fresh air. The new fan with the functions of refrigeration and heating structurally comprises an indoor new fan and an outdoor unit, so that the indoor new fan is quite large in size, and the outdoor unit also needs extra installation space. At present, most residential rooms are only provided with one air conditioner outdoor unit installation machine position, and if a fresh air outdoor unit is installed, the cost and the installation space are increased, the noise is greatly increased, and the attractiveness is reduced. Therefore, all the existing fresh air fans are not suitable for occasions with small household rooms, limited outdoor unit installation positions and the like. In addition, the existing fresh air machine return air cold quantity heat recovery usually adopts a total heat exchange core body, the heat exchange efficiency is not high, and the fresh air machine return air cold quantity heat recovery is easy to age and block after being used for a long time.

The utility model patent CN208998234U discloses an energy-conserving air conditioning system that purifies that combines evaporative cooling and evaporative condensation to specifically disclose the system including set up outdoor mechanical refrigeration off-premises station, set up indoor and with the outdoor machine of mechanical refrigeration passes through pipe connection's indoor set and sets up in the intraformational indirect evaporative cooling of indoor furred ceiling and retrieves fresh air handling unit. This system adopts indoor fresh air unit and off-premises station, has above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that prior art exists, provided a new fan of area refrigeration heating function, solved the not enough and not high problem of heat recovery heat exchange efficiency of outer quick-witted installation space of current new trend system.

The utility model discloses a can realize through following technical scheme:

the utility model provides a new fan, which comprises a casing, a condenser, an exhaust fan, an air supply fan, a compressor, an evaporator and a throttling device, wherein the condenser, the exhaust fan, the air supply fan, the compressor, the evaporator and the throttling device are arranged in the casing; the shell is provided with an air outlet communicated with the indoor space, and the air exhaust fan and the air supply fan are arranged at the air outlet; the evaporator is connected with the condenser through the compressor, and the evaporator is also connected with the condenser through the throttling device.

This new fan adopts the integrated design, with evaporimeter, condenser, compressor, throttling arrangement etc. integrated in an indoor set, just so need not extra outer quick-witted installation space, just can realize refrigeration, new trend function.

Preferably, the evaporator and the condenser both adopt finned tube heat exchangers.

Preferably, the restriction device comprises a capillary tube or an electronic expansion valve.

Preferably, the number of the air outlets is four, and the four air outlets are symmetrically distributed on two sides of the shell; the exhaust fan and the air supply fan are respectively positioned at two air outlets at the same side of the shell.

Preferably, the number of the air outlets is four, and the four air outlets are symmetrically distributed on two sides of the shell; the exhaust fan and the air supply fan are respectively positioned at two air outlets at different sides of the shell.

Preferably, the exhaust fan and the supply fan are arranged diagonally.

Preferably, the fresh air fan further comprises a four-way reversing valve, two passages of the four-way reversing valve are respectively connected with the condenser and the evaporator, and the other two passages of the four-way reversing valve are respectively connected with two ends of the compressor.

This new fan can realize refrigeration, heating, new trend function.

Preferably, the casing is divided into an upper accommodating space and a lower accommodating space by a partition plate; the pressure condenser and the evaporator are respectively accommodated in the upper accommodating space and the lower accommodating space.

Preferably, the upper accommodating space further accommodates a throttle device and a compressor.

The utility model discloses following beneficial effect has:

the utility model relates to a new fan adopts integrated structure design, need not be equipped with in addition outer machine, can solve the not enough problem of outer machine installation space of new trend system. In addition, the fresh air machine can recover the cold and heat of return air through a condenser or an evaporator, and the finned tube heat exchanger is high in efficiency and long in service life.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a new fan according to the present invention;

fig. 2 is a schematic structural view of a second embodiment of a new fan according to the present invention;

fig. 3 is a schematic structural view of a third embodiment of a new fan according to the present invention;

fig. 4 is a schematic structural diagram of a fourth implementation manner of the new blower of the present invention.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Referring to fig. 1 and 2, a new blower includes a casing 11, and a condenser 1, an exhaust blower 2, an air supply blower 10, a compressor 4, an evaporator 6, and a throttle device 9 disposed in the casing 1. The shell 11 is provided with

air outlets

3, 5, 7 and 9 communicated with the indoor, and the air exhaust fan 2 and the air supply fan 10 are arranged at the air outlets. The evaporator 6 is connected with the condenser 1 through the compressor 4, and the evaporator 6 is also connected with the condenser 1 through the throttling device 9.

The new fan is designed in an integrated manner, and the condenser 1, the exhaust fan 2, the air supply fan 10, the compressor 4, the evaporator 6 and the throttling device 9 are integrated in the shell 11. The housing 11 is provided with a partition plate 13, and the partition plate 13 divides the interior space of the housing into an upper accommodating space and a lower accommodating space. The pressure condenser 1 and the evaporator 6 are accommodated in the upper and lower accommodating spaces, respectively. Longitudinal isolation distribution like this can reduce the area of fan on the one hand, and on the other hand avoids condenser and evaporimeter mutual interference, effectively realizes the recovery of return air cold volume, heat. In addition, the upper accommodating space is also provided with a throttling device 8 and a compressor 4, the throttling device 8 and the compressor 4 are placed between the pressure condenser 1 and the evaporator 6, and the volume of the fresh air machine can be reduced.

Two partition plates 13 can be adopted, and a gap is reserved between the two partition plates while the space is isolated, so that the pipeline connection is facilitated. Or, the partition board is provided with a through hole in the middle, and the through hole in the middle is used for pipeline routing.

The evaporator and the condenser both adopt finned tube heat exchangers. The finned tube heat exchanger is high in heat exchange efficiency and long in service life.

The throttling device comprises other components with throttling and pressure reducing effects, such as a capillary tube, an electronic expansion valve and the like.

Fig. 1 shows a new fan of a different-side single-cooling type. The compressor 4 is connected with the condenser 1 through an exhaust pipe, and the compressor 4 is also connected with the evaporator 6 through an air suction pipe. The evaporator 6 is connected with a throttling device 8 through a connecting pipe, and then is connected with the condenser 1 through a connecting pipe.

The number of the air outlets is four, and the four air outlets are symmetrically distributed on two sides of the machine shell 11. The exhaust fan 2 and the air supply fan 10 are respectively positioned at two air outlets at different sides of the casing 11. Preferably, the exhaust fan 2 and the supply fan 10 are arranged diagonally, as shown by the air outlet 3 and the air outlet 9.

This new fan can construct refrigeration cycle and new trend system.

During refrigeration, the compressor 4 compresses low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant is condensed by the condenser 1, the high-temperature and high-pressure gas refrigerant can be cooled into medium-temperature and high-pressure liquid refrigerant, the medium-temperature and high-pressure liquid refrigerant is throttled and reduced in pressure by the throttling device 8, the pressure of the medium-temperature and high-pressure liquid refrigerant is reduced, the medium-temperature and high-pressure liquid refrigerant enters the evaporator.

Fresh air system: indoor dirty air passes through the condenser 1, is discharged by the air exhaust fan 2 after being recovered its cold volume by the condenser, and outdoor new trend is sent into indoor by air supply fan 10 after passing through filter equipment after the evaporimeter cooling, possesses certain dehumidification function during.

The operation mode of the fresh air machine is as follows: when the indoor environment sensor detects that the indoor environment temperature is high and the humidity is high, the compressor 4 is started, the refrigeration cycle is started, then the indoor return air passes through the condenser 1, and the outdoor fresh air passes through the evaporator 6 to carry out heat exchange and heat recovery.

Fig. 2 shows a new fan of the same-side single-cooling type. Compared with the new fan with single cooling type on the different side as shown in fig. 1, the difference lies in the positions of the exhaust fan and the supply fan. In order to reduce the unit mention and reduce the installation space, the single-cooling type fresh air machine on the same side is used for connecting the exhaust fan 2 and the air supply fan 10 with two air outlets respectively located on the same side of the machine shell 11, such as the air outlet 3 and the air outlet 5 shown in the figure. The fresh air machine can construct a refrigeration cycle and a fresh air system of the different-side single-cooling type fresh air machine shown in figure 1.

Fig. 3 shows a different-side heat pump type fresh air machine. The fresh air machine further comprises a four-way reversing valve 12, two ways of the four-way reversing valve 12 are respectively connected with the condenser 1 and the evaporator 6, and the other two ways of the four-way reversing valve 12 are respectively connected with two ends of the compressor 4. The four-way reversing valve is connected with the compressor and the evaporator through the air suction pipe, and is connected with the compressor and the condenser through the exhaust pipe.

This new trend can construct refrigeration cycle, heating cycle and new trend system.

During refrigeration, the compressor 4 compresses low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant is condensed by the four-way valve 12 and the condenser 1, the high-temperature and high-pressure gas refrigerant can be cooled into medium-temperature and high-pressure liquid refrigerant, the medium-temperature and high-pressure liquid refrigerant is throttled and reduced in pressure by the throttling device 8, the pressure of the medium-temperature and high-pressure liquid refrigerant is reduced, the medium-temperature and high-pressure liquid.

During heating, the compressor 4 compresses low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant exchanges heat and evaporates through the four-way valve 12 and the evaporator 6, the high-temperature and high-pressure refrigerant enters the condenser 1 through the throttling device 8 to be condensed, and finally the high-temperature and low-pressure refrigerant is sucked by the compressor 4 to complete a heating cycle.

Fresh air system: the fresh air is heated and then sent into the room through the air supply fan 10, and indoor dirty air is absorbed by the heat when passing through the condenser 1, and the energy is recovered and sent out of the room through the air exhaust fan 2.

The operation mode of the fresh air machine is as follows: when the indoor environment sensor detects that the indoor environment temperature is high and the humidity is high, the compressor 4 is started, the refrigeration cycle is started, then the indoor return air passes through the condenser 1, and the outdoor fresh air passes through the evaporator 6 to carry out heat exchange and heat recovery. When the indoor environment sensor detects that the indoor environment temperature is low, the compressor 4 is started, the heating cycle is started, then the indoor return air passes through the evaporator, and the outdoor fresh air passes through the condenser.

During specific application, external new trend is inhaled indoor by air supply fan 10, gets into indoorly through air outlet 5, evaporimeter 6, air outlet 9 in proper order, and when summer day, opens the refrigeration, evaporimeter 6 this moment cools down the dehumidification to outdoor new trend, and when winter day, opens and heats, and evaporimeter 6 uses as the condenser this moment, heaies up outdoor new trend. The other path of indoor dirty air is sent out of the room through the air exhaust fan 2 and sequentially passes through the air outlet 7 and the air outlet 3, and the condenser 1 is started to refrigerate in summer, because the indoor temperature is lower than the outdoor temperature, the efficiency of the condenser 1 is high, meanwhile, the cold quantity of the indoor dirty air is recovered, and the condenser 1 is started to heat in winter, at the moment, the condenser 1 is used as an evaporator, because the indoor temperature is higher than the outdoor temperature, the evaporation efficiency is high, and meanwhile, the indoor heat is recovered.

Fig. 4 shows a same side heat pump type fresh air machine. Compared with the opposite-side heat pump type fresh air fan shown in fig. 3, the difference is the positions where the exhaust fan and the supply fan are arranged. In order to reduce the unit mention and reduce the installation space, the single-cooling type fresh air machine on the same side is used for connecting the exhaust fan 2 and the air supply fan 10 with two air outlets respectively located on the same side of the machine shell 11, such as the air outlet 3 and the air outlet 5 shown in the figure. The fresh air machine can construct a refrigeration cycle, a heating cycle and a fresh air system of the different-side single-cooling type fresh air machine shown in figure 3.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A new fan is characterized by comprising a shell, a condenser, an exhaust fan, an air supply fan, a compressor, an evaporator and a throttling device, wherein the condenser, the exhaust fan, the air supply fan, the compressor, the evaporator and the throttling device are arranged in the shell; the shell is provided with an air outlet communicated with the indoor space, and the air exhaust fan and the air supply fan are arranged at the air outlet; the evaporator is connected with the condenser through the compressor, and the evaporator is also connected with the condenser through the throttling device.

2. The new fan according to claim 1, wherein the evaporator and the condenser both adopt finned tube heat exchangers.

3. A fresh air machine as claimed in claim 1 wherein the restriction means comprises a capillary tube or an electronic expansion valve.

4. The new fan according to claim 1, wherein four air outlets are symmetrically distributed on two sides of the casing; the exhaust fan and the air supply fan are respectively positioned at two air outlets at the same side of the shell.

5. The new fan according to claim 1, wherein four air outlets are symmetrically distributed on two sides of the casing; the exhaust fan and the air supply fan are respectively positioned at two air outlets at different sides of the shell.

6. The new blower of claim 5, wherein the exhaust blower and the supply blower are arranged diagonally.

7. The new fan according to claim 1, 4 or 5, further comprising a four-way reversing valve, wherein two of the four-way reversing valve are respectively connected with the condenser and the evaporator, and the other two of the four-way reversing valve are respectively connected with two ends of the compressor.

8. The new fan according to claim 1, wherein the casing is divided into an upper accommodating space and a lower accommodating space by a partition plate; the condenser and the evaporator are respectively accommodated in the upper accommodating space and the lower accommodating space.

9. The new fan according to claim 8, wherein the upper receiving space further receives a throttling device and a compressor.