CN215863891U

CN215863891U - New fan

Info

Publication number: CN215863891U
Application number: CN202121650006.5U
Authority: CN
Inventors: 王海峰; 李勇; 叶景龙
Original assignee: Ningbo Nilan Environmental System Co ltd
Current assignee: Ningbo Nilan Environmental System Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-18
Anticipated expiration: 2031-07-20

Abstract

The utility model provides a new fan, which comprises a shell, wherein a new air duct and a first return air duct are arranged in the shell, the temperature adjusting assembly is used for adjusting the temperature of the air to be sent into the room, the fresh air duct is provided with a fresh air valve which is used for communicating or isolating the fresh air duct with the outside, and the second return air duct is provided with a return air valve which is used for communicating or isolating the second return air duct with the inside. The fresh air machine can quickly adjust and control the indoor air temperature.

Description

New fan

Technical Field

The utility model relates to the technical field of indoor air regulation and control, in particular to a new fan.

Background

In the prior art, a fresh air fan usually adopts a high-air-pressure large-flow fan on one side to send outdoor fresh air into a room by means of mechanical strength, the air entering the room is subjected to filtration, disinfection, sterilization, oxygenation, preheating (in winter), refrigeration (in summer), dehumidification and other treatments while air is supplied, and an exhaust fan on the other side discharges the turbid air out of the room, so that a fresh air flowing field is formed indoors, and the requirements of indoor fresh air ventilation and temperature and humidity regulation are met. There is a thinking fixation about new trend system in the present industry, and it is indoor that the new trend system needs to last to introduce outdoor air, improves the room air quality, so, will be consuming time very long with the temperature regulation control of room air to a specific numerical value for the body feels the travelling comfort and descends, and along with the continuous introduction of outdoor air is indoor, can constantly reduce indoor outer temperature difference moreover, causes the energy consumption to increase. Although the prior art can carry out the heat exchange with the outdoor air that will get into indoor with the heat or the cold volume of indoor exhaust air, reduce the loss of the heat or the cold volume of indoor air, improve energy utilization efficiency, this can not solve the problem that new trend system can't quick adjustment control indoor air temperature.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a new fan which can quickly adjust and control the indoor air temperature and improve the comfort of users.

The technical proposal of the utility model is to provide a new fan, which comprises a shell, wherein a new air duct and a first return air duct are arranged in the shell, the temperature adjusting assembly is used for adjusting the temperature of the air to be sent into the room, the fresh air duct is provided with a fresh air valve which is used for communicating or isolating the fresh air duct with the outside, and the second return air duct is provided with a return air valve which is used for communicating or isolating the second return air duct with the inside.

Compared with the prior art, the novel fan has the following advantages: when the fresh air duct is isolated from the outdoor by the action of the fresh air valve and the second return air duct is communicated with the indoor by the action of the return air valve, the fresh air duct cannot suck fresh air from the outdoor, the second return air duct sucks indoor air to form second indoor return air and sends the second indoor return air back to the indoor, the temperature adjusting component can quickly cool or heat the indoor air only by circularly cooling or heating the second indoor return air, the time consumed for adjusting the temperature of the indoor air to a desired value is reduced, the comfort level of a user is improved, only the second indoor return air is sent into the indoor, and the fresh air fan works in a return air quick temperature control mode; when the indoor temperature reaches a desired value, the fresh air duct is communicated with the outdoor by actuating the fresh air valve, fresh air is continuously sucked into the fresh air duct, cold air in the room is sucked into the first return air duct to form first indoor return air, the fresh air is subjected to heat exchange with the first indoor return air to be primarily cooled or heated, the loss of cold quantity or heat quantity of the indoor air is reduced, the energy utilization efficiency is improved, the first indoor return air is discharged out of the room, the fresh air is further cooled or heated by the temperature regulating assembly and then is sent into the room, the requirements of fresh air ventilation in the room can be met, the requirements of temperature regulation can be met, if the return air valve keeps the original state and does not act at the moment, the second return air duct is communicated with the room, mixed air of the fresh air and the second indoor return air is sent into the room, and the fresh air machine operates in a mixed air temperature control mode; if the action of the return air valve at this moment makes the second return air duct isolated from the room, the second return air duct can not suck the indoor return air, only the fresh air is sent into the room, and the fresh air fan works in a fresh air temperature control mode.

Preferably, the shell is provided with a fresh air opening, a first air return opening, an air outlet, a second air return opening and at least one indoor fresh air opening, the fresh air opening is used for enabling the fresh air duct to be communicated with the outdoor, the first air return opening is used for enabling the first air return duct to be communicated with the indoor, the air outlet is used for enabling the first air return duct to be communicated with the outdoor, the second air return opening is used for enabling the second air return duct to be communicated with the indoor, and the indoor fresh air opening is used for enabling the fresh air duct and the second air return duct to be communicated with the indoor. By adopting the structure, the fresh air duct has an independent structure communicated with the outdoor, and the first return air duct and the second return air duct also have independent structures communicated with the indoor, so that the fresh air duct is conveniently controlled to be communicated or isolated with the outdoor and the second return air duct is conveniently controlled to be communicated or isolated with the indoor; at least one indoor fresh air opening is provided, so that the indoor fresh air openings can be conveniently connected into different rooms in a one-to-one correspondence mode.

Preferably, the fresh air duct sucks outdoor fresh air through the fresh air port, the fresh air valve is arranged at the fresh air port, and the fresh air valve is used for opening or closing the fresh air port. By adopting the structure, the fresh air duct can be controlled to be communicated or isolated with the outdoor space by opening or closing the fresh air opening through the fresh air valve, so that whether the fresh air duct can suck outdoor fresh air or not can be controlled.

Preferably, the second return air duct sucks indoor air through the second return air inlet to form second indoor return air, the return air valve is arranged at the second return air inlet, and the return air valve is used for opening or closing the second return air inlet. By adopting the structure, the second return air duct can be controlled to be communicated with or isolated from the room by opening or closing the second return air inlet through the return air valve, so that whether the second return air duct can suck indoor air to form second indoor return air is controlled.

Preferably, a fan is arranged in the fresh air duct, an air outlet of the fan in the fresh air duct is opposite to the indoor fresh air port, and the fan in the fresh air duct is used for sucking outdoor fresh air through the fresh air port and sending the sucked fresh air into the room through the indoor fresh air port when the fresh air duct is communicated with the outdoor; the fan is arranged in the second return air duct, an air outlet of the fan in the second return air duct is opposite to the indoor fresh air port, and the fan in the second return air duct is used for enabling the second return air duct to suck indoor air through the second return air port and sending the second indoor return air into the room through the indoor fresh air port when the second return air duct is communicated with the room. By adopting the structure, outdoor fresh air is sent into the room through the fan in the fresh air duct, indoor return air is sent back into the room through the fan in the second return air duct, the association of the fresh air duct and the second return air duct is less, and the independent control is convenient.

Preferably, the fresh air duct is communicated with the second return air duct, a fan is arranged in the shell, an air outlet of the fan is opposite to the indoor fresh air port, the fan is used for enabling the fresh air duct to suck outdoor fresh air through the fresh air port and sending the sucked fresh air into the room through the indoor fresh air port when the fresh air duct is communicated with the outdoor, and the fan is also used for enabling the second return air duct to suck indoor air through the second return air port and sending the second indoor return air into the room through the indoor fresh air port when the second return air duct is communicated with the indoor. By adopting the structure, the fan arranged in the shell can send outdoor fresh air into the room and return indoor return air into the room, so that the components in the shell are reduced, the cost is reduced, the volume of the whole fresh air fan is reduced, and the fresh air duct and the second return air duct are independently controlled without being influenced by matching the fresh air valve and the return air valve.

Preferably, an air exhaust fan is arranged in the shell, an air outlet of the air exhaust fan is opposite to the air outlet, and the air exhaust fan is used for enabling the first return air duct to suck indoor air through the first return air inlet and exhaust the first indoor return air to the outside through the air outlet. By adopting the structure, the indoor return air is discharged outdoors through the exhaust fan, and the loss of cold or heat of the indoor air can be reduced by controlling the stop of the exhaust fan under the conditions that the fresh air duct is isolated from the outdoor and the second return air duct is communicated with the indoor, so that the indoor air can be rapidly cooled or heated.

Preferably, be provided with the total heat exchanger in the casing, the total heat exchanger sets up the crossing department in new trend wind channel and first return air wind channel, the total heat exchanger is used for making the new trend in the new trend wind channel and carries out the heat exchange with first indoor return air, the adjacent new trend of total heat exchanger and first return air inlet set up, be provided with the first filtration piece that is used for filtering the new trend in the new trend wind channel on the total heat exchanger, the second filtration piece that is used for filtering first indoor return air, it maintains apron III to correspond total heat exchanger department on the casing to be provided with, it can dismantle to maintain apron III. Adopt this structure, the adjacent fresh air inlet of total heat exchanger and first return air inlet set up, first filtration piece, the second filters all to set up on total heat exchanger, be favorable to in time filtering new trend and first indoor return air, avoid the suspended solid in the air to deepen in the new trend wind channel and in the first return air wind channel, it can dismantle to maintain apron III and set up the convenience and change or clear up first filtration piece, second filtration piece, also the convenience is maintained or is maintained total heat exchanger.

Preferably, the temperature adjusting component is arranged behind the staggered position of the fresh air duct and the first return air duct, before the fan sucking outdoor fresh air and the fan sucking second indoor return air, a maintenance cover plate II is arranged on the shell corresponding to the temperature adjusting component, and the maintenance cover plate II can be detached. By adopting the structure, the temperature adjusting component is arranged at a position, so that fresh air and second indoor return air can flow through the temperature adjusting component and can be subjected to sufficient heat exchange with the temperature adjusting component, and the temperature adjusting component can adjust the temperature of the second indoor return air or the fresh air after heat exchange, thereby reducing the load of the temperature adjusting component and reducing the energy consumption of the temperature adjusting component; the maintenance cover plate II can be detachably arranged to conveniently maintain or repair the temperature adjusting assembly.

Preferably, be provided with the third in the casing and filter, the third filters and is used for filtering will sending into indoor air, and the third filters and is located and send into the fan of new trend indoor and send into the fan of the indoor return air of second after to indoor, and the third filters and is adjacent and relative with indoor new trend mouth, and it is provided with maintenance apron I to correspond third filter department on the casing, and maintenance apron I can be dismantled. Adopt this structure, the third filters the position setting of piece, has guaranteed that new trend or the indoor return air of second can all be filtered by the third before being sent into indoorly, guarantees to get into the quality of indoor air, maintains apron I and can dismantle to set up the convenience and change or clear up the third filters piece.

Drawings

Fig. 1 is a schematic view of the internal structure of the fresh air machine of the present invention.

Fig. 2 is a schematic view of the air flow in the new fan of the present invention.

Fig. 3 is a schematic bottom structure view of the fresh air machine of the present invention.

As shown in the figure: 1. fresh air inlet, 2, fresh air valve, 3, G4 primary filter screen, 4, H12 high-efficient filter screen, 5, the whole heat exchanger of graphite alkene washable, 6, the air exit, 7, the fan of airing exhaust, 8, first return air inlet, 9, the second return air inlet, 10, return air valve, 11, water coil heat exchanger, 12, air intake fan, 13, indoor fresh air inlet, 14, the automatic drainage pump, 15, float and stop the switch, 16, the outlet, 17, outer machine business turn over mouth, 18, automatically controlled box, 19, maintenance apron I, 20, maintain apron II, 21, maintain apron III.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a statement such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.

As shown in fig. 1 and 2, the fresh air machine of the present invention includes a casing, a fresh air inlet 1, an air outlet 6, a first air return inlet 8, a second air return inlet 9, two indoor fresh air inlets 13, an outdoor unit water inlet and outlet 17, and a water outlet 16 are disposed on the surface of the casing, and a fresh air valve 2, a total heat exchanger, an exhaust air machine 7, a return air valve 10, a water coil heat exchanger 11, an air intake air machine 12, an automatic drainage pump 14, and a float-stop switch 15 are disposed in the casing; the fresh air valve 2 is positioned at the inner side of the fresh air port 1, and the fresh air valve 2 is used for opening or closing the fresh air port 1; the return air valve 10 is positioned at the inner side of the second return air inlet 9, and the return air valve 10 is used for opening or closing the second return air inlet 9; the exhaust fan 7 is arranged on the inner side of the exhaust outlet 6, and an air outlet of the exhaust fan 7 is opposite to the exhaust outlet 6; the air inlet fan 12 is arranged on the inner side of the indoor fresh air port 13, the air outlet of the air inlet fan 12 is opposite to the indoor fresh air port 13, a third filter piece is further arranged between the air outlet of the air inlet fan 12 and the indoor fresh air port 13, and the third filter piece adopts an H12 high-efficiency filter screen 4; the water coil heat exchanger 11 is used as a temperature adjusting component and is arranged on the air inlet side of the air inlet fan 12, when the water coil heat exchanger 11 is used, the water coil heat exchanger 11 is externally connected with an air source heat pump external unit (not shown), an external unit water inlet/outlet 17 is connected with the water coil heat exchanger 11 through a water inlet/outlet pipe, and low-temperature cold water or high-temperature hot water is conveyed to the water coil heat exchanger 11 through the water inlet/outlet pipe by the air source heat pump external unit; the automatic drainage pump 14 and the float-stop switch 15 are both arranged on one side of the water coil heat exchanger 11 opposite to the air inlet side of the air inlet fan 12, the drainage port 16 is connected with the automatic drainage pump 14 through a drainage pipe, the float-stop switch 15 is connected with one end of the water coil heat exchanger 11, the automatic drainage pump 14 is used for discharging condensed water generated in air refrigerated by the water coil heat exchanger 11 to the outside through the drainage pipe, and the float-stop switch 15 is matched with the automatic drainage pump 14 to act so that the condensed water flowing out of the water coil heat exchanger 11 flows into the automatic drainage pump 14; in this embodiment, the total heat exchanger adopts graphite alkene full heat exchanger 5 that can wash, graphite alkene can wash total heat exchanger 5 and install in neighbouring fresh air inlet 1, first return air inlet 8, the position of fan 7 airs exhaust, graphite alkene can wash total heat exchanger 5 and fresh air inlet 1 relative one side and be provided with first filtration piece, first filtration piece is by outer to interior G4 primary filter screen 3 that includes in proper order, H12 high efficiency filter screen 4, graphite alkene can wash total heat exchanger 5 and first return air inlet 8 relative one side and be provided with the second filtration piece, the second filtration piece adopts G4 primary filter screen 3. The surface of the shell is also provided with an electric control box 18, a controller is arranged in the electric control box and is used for controlling the action of the fresh air valve 2 to open or close the fresh air inlet 1, controlling the action of the return air valve 10 to open or close the second return air inlet 9, controlling the starting or stopping of the exhaust fan 7, controlling the starting or stopping of the air inlet fan 12, controlling the starting or stopping of the air source heat pump external machine and controlling the starting or stopping of the automatic drainage pump 14.

As shown in fig. 2, a fresh air duct, a first return air duct, and a second return air duct are formed in a casing of the fresh air blower of the present invention, when a fresh air valve 2 opens a fresh air inlet 1, the fresh air duct communicates with the outdoor, when an air intake blower 12 and an air exhaust blower 7 are both started, the fresh air duct sucks outdoor fresh air from the fresh air inlet 1, indoor air is sucked from a first return air inlet 8 into the first return air duct to form first indoor return air, the fresh air is sequentially filtered by a G4 primary filter screen 3 and an H12 high efficiency filter screen 4, and flows into the graphene water washable total heat exchanger 5 from a side opposite to the fresh air inlet 1, the first indoor return air flows into the graphene water washable total heat exchanger 5 from a side opposite to the first return air inlet 8 after passing through a G4 primary filter screen 3, the fresh air and the first indoor return air exchange heat in the graphene water washable total heat exchanger 5, and flows out of the graphene water washable total heat exchanger 5, the first indoor return air is sucked into the exhaust fan 7 and is exhausted outdoors through the exhaust outlet 6, the fresh air flows through the water coil heat exchanger 11, exchanges heat with low-temperature cold water or high-temperature hot water in the water coil heat exchanger 11 again, is sucked into the intake fan 12, is filtered by the H12 high-efficiency filter screen 4 for one time, and is exhausted indoors through the indoor fresh air outlet 13, and in the process, condensed water generated by refrigeration of the water coil heat exchanger 11 in the fresh air can be exhausted outdoors through the float stop switch 15, the automatic drainage pump 14 and the drainage pipe through the drainage outlet 16. In the process, the airflow channel through which the fresh air flows is the fresh air channel, the airflow channel through which the first indoor return air flows is the first return air channel, and when the second return air channel cannot suck the indoor return air and is sent into the indoor fresh air, the fresh air machine works in a fresh air temperature control mode at the moment.

When the second return air inlet 9 is opened by the return air valve 10, the second return air duct is communicated with the indoor, when the air intake fan 12 is started, indoor air is sucked into the second return air duct from the second return air inlet 9 to form second indoor return air, the second indoor return air flows through the water coil heat exchanger 11 to exchange heat with low-temperature cold water or high-temperature hot water in the water coil heat exchanger 11, then is sucked into the air intake fan 12, is filtered by the H12 high-efficiency filter screen 4 for one time and is discharged into the indoor through the indoor fresh air inlet 13, and in the process, condensed water generated in the second indoor return air due to refrigeration of the water coil heat exchanger 11 can be discharged out of the room through the float stop switch 15, the automatic drainage pump 14 and the drainage pipe through the drainage outlet 16. In the process, the airflow channel through which the second indoor return air flows is a second return air channel, when the fresh air channel cannot suck outdoor fresh air and is sent into the indoor air channel only with the second indoor return air, the fresh air fan works in the return air rapid temperature control mode.

If the fresh air duct sucks outdoor fresh air and the second return air duct also sucks indoor return air, mixed air of the fresh air and the second indoor return air is sent into the room, and the fresh air machine works in a mixed air temperature control mode.

When the fresh air machine works initially, the fresh air machine can work in a return air rapid temperature control mode, the water coil heat exchanger 11 circularly cools or heats the second indoor return air, so that the indoor air is rapidly cooled or heated, the time consumed for regulating and controlling the temperature of the indoor air to a desired value is reduced, and the comfort level of a user is improved; after the indoor temperature reaches the expected value, the fresh air fan works in a fresh air temperature control mode or a mixed air temperature control mode, so that fresh air is continuously sucked into the fresh air duct, indoor return air is continuously discharged from the first return air duct, and the requirements of indoor fresh air ventilation and temperature regulation are met.

As shown in fig. 3, a maintenance cover plate i 19 is arranged at the bottom of the fresh air fan corresponding to the third filter member, a maintenance cover plate ii is arranged at the position corresponding to the water coil heat exchanger 11, a maintenance cover plate iii is arranged at the position corresponding to the graphene washable total heat exchanger 5, and the maintenance cover plate i 19, the maintenance cover plate ii and the maintenance cover plate iii can be detached independently. The third filter element is required to be replaced or cleaned only by disassembling the maintenance cover plate I19; the water coil heat exchanger 11, the water inlet and outlet pipe, the automatic drainage pump 14, the float switch 15 and the drainage pipe are maintained or repaired only by disassembling the maintenance cover plate II; can wash full heat exchanger 5 to graphite alkene and maintain or maintain, perhaps filter first, the second and filter and change or clear up, only need dismantle maintain apron III can.

The above are merely specific examples of the present invention, and are not intended to limit the scope of the utility model; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the utility model.

Claims

1. A new fan comprises a shell, wherein a new air duct, a first return air duct, a second return air duct and a temperature adjusting assembly are arranged in the shell, the new air duct is used for sucking outdoor new air and sending the sucked new air into a room, the first return air duct is used for sucking indoor air to form first indoor return air and discharging the first indoor return air to the outside, the new air duct and the first return air duct are arranged in a staggered mode to enable the new air to exchange heat with the first indoor return air, the second return air duct is used for sucking indoor air to form second indoor return air and sending the second indoor return air back into the room, the temperature adjusting assembly is used for adjusting the temperature of the air to be sent into the room, the novel air return device is characterized in that a novel air valve is arranged on the novel air channel and used for enabling the novel air channel to be communicated with or isolated from the outside, a return air valve is arranged on the second return air channel and used for enabling the second return air channel to be communicated with or isolated from the inside.

2. The new fan according to claim 1, wherein the casing is provided with a new air inlet for communicating the new air duct with the outside, a first air return inlet for communicating the first air return duct with the inside, an air outlet for communicating the first air return duct with the outside, a second air return inlet for communicating the second air return duct with the inside, and at least one indoor new air inlet for communicating both the new air duct and the second air return duct with the inside.

3. The fresh air machine as claimed in claim 2, wherein the fresh air duct sucks fresh air outdoors through a fresh air port, the fresh air valve is arranged at the fresh air port, and the fresh air valve is used for opening or closing the fresh air port.

4. The new fan of claim 2, wherein a second return air duct draws in air from the room through a second return air inlet to form second indoor return air, and a return air valve is provided at the second return air inlet for opening or closing the second return air inlet.

5. The new air blower according to claim 2, wherein a fan is arranged in the new air duct, an air outlet of the fan in the new air duct is opposite to the indoor new air port, and the fan in the new air duct is used for enabling the new air duct to suck outdoor new air through the new air port and sending the sucked new air into the room through the indoor new air port when the new air duct is communicated with the outdoor; the fan is arranged in the second return air duct, an air outlet of the fan in the second return air duct is opposite to the indoor fresh air port, and the fan in the second return air duct is used for enabling the second return air duct to suck indoor air through the second return air port and sending the second indoor return air into the room through the indoor fresh air port when the second return air duct is communicated with the room.

6. The new fan according to claim 2, wherein the new air duct is communicated with the second return air duct, a fan is disposed in the casing, an air outlet of the fan is opposite to the indoor new air opening, the fan is configured to enable the new air duct to suck outdoor new air through the new air opening and to send the sucked new air into the room through the indoor new air opening when the new air duct is communicated with the outdoor, and the fan is further configured to enable the second return air duct to suck indoor air through the second return air opening and to send the second indoor return air into the room through the indoor new air opening when the second return air duct is communicated with the indoor.

7. The new blower according to claim 2, wherein an exhaust blower is provided in the casing, an air outlet of the exhaust blower is opposite to the air outlet, and the exhaust blower is used for enabling the first return air duct to suck in the indoor air through the first return air inlet and to discharge the first indoor return air to the outside through the air outlet.

8. The new fan according to claim 2, characterized in that a total heat exchanger is arranged in the casing, the total heat exchanger is arranged at the intersection of the new air duct and the first return air duct, the total heat exchanger is used for enabling the new air in the new air duct to exchange heat with the first indoor return air, the total heat exchanger is arranged adjacent to the new air opening and the first return air opening, a first filter piece for filtering the new air in the new air duct and a second filter piece for filtering the first indoor return air are arranged on the total heat exchanger, a maintenance cover plate III is arranged on the casing corresponding to the total heat exchanger, and the maintenance cover plate III is detachable.

9. The fresh air machine as claimed in claim 5 or 6, wherein the temperature adjusting component is located behind the crossing position of the fresh air duct and the first return air duct, in front of the fan for sucking outdoor fresh air and the fan for sucking second indoor return air, a maintenance cover plate II is arranged on the shell corresponding to the temperature adjusting component, and the maintenance cover plate II can be detached.

10. The fresh air machine as claimed in claim 5 or 6, wherein a third filter element is arranged in the casing and is used for filtering air to be sent into the room, the third filter element is positioned behind the fan sending fresh air into the room and the fan sending return air into the second room, the third filter element is adjacent to and opposite to the fresh air inlet of the room, a maintenance cover plate I is arranged on the casing corresponding to the third filter element, and the maintenance cover plate I can be detached.