CN216953361U

CN216953361U - Automatic fresh air switch of humidification

Info

Publication number: CN216953361U
Application number: CN202123234043.0U
Authority: CN
Inventors: 甄俊杰; 解博超; 骆维乐; 李清泉
Original assignee: Guangdong Nedfon Air System Co Ltd
Current assignee: Guangdong Nedfon Air System Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-12
Anticipated expiration: 2031-12-20

Abstract

The utility model provides an automatic humidifying fresh air exchanger, which comprises: the device comprises a shell, an exchange core body, a plurality of partition plates, an internal circulation air valve, a humidifying device, a humidity sensor and a controller, wherein the shell is internally provided with a containing cavity; the exchange core body is arranged in the accommodating cavity of the shell, the accommodating cavity of the shell is divided into an air return cavity, an air supply cavity, a fresh air cavity and an air exhaust cavity by the plurality of partition plates and the exchange core body, the internal circulation air valve is arranged on the partition plates, the air return cavity is communicated with the air supply cavity when the internal circulation air valve is opened, the humidifying device is arranged in the air supply cavity, and the humidity sensor is arranged in the air return cavity; the humidity sensor, the humidifying device and the internal circulation air valve are all electrically connected to the controller. The fresh air exchanger with the automatic humidification function can automatically detect the air humidity, further increase the air humidity, realize the automatic humidification function, do not need manual operation of a user for humidification, and facilitate the use of the user.

Description

Automatic fresh air switch of humidification

Technical Field

The utility model relates to the technical field of fresh air exchangers, in particular to an automatic humidifying fresh air exchanger.

Background

The fresh air exchanger introduces outdoor fresh air into the room from a fresh air inlet, the air outlet discharges indoor polluted air outdoors, indoor dirty air is discharged, and outdoor fresh air is sucked into the room to achieve the effects of air replacement and cleaning. At present, outdoor air seriously pollutes PM2.5 which is 50-100 times more serious than indoor air and seriously exceeds the standard, so that the outdoor air needs to be filtered and sent into a room to be clean, and then the indoor dirty air is discharged through positive pressure, so that the effect of filtering haze is achieved, and the indoor air is clean.

Most of fresh air switch functions on the market can only clean air, can not increase air humidity, and some fresh air switches that can increase air humidity are designed unreasonably, can not realize automatic humidification function or humidification function and are intelligent inadequately, often need open humidification device manually and just can carry out the humidification.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic humidifying fresh air exchanger to solve the defects in the prior art.

The utility model relates to an automatic humidifying fresh air exchanger, which comprises:

the device comprises a shell, an exchange core body, a plurality of partition plates, an internal circulation air valve, a humidifying device, a humidity sensor and a controller, wherein the shell is internally provided with a containing cavity;

the side surface of the shell is provided with an air return inlet, an air supply outlet, a fresh air inlet and an air exhaust outlet, the exchange core is arranged in an accommodating cavity of the shell, the accommodating cavity of the shell is divided into an air return cavity, an air supply cavity, a fresh air cavity and an air exhaust cavity by the plurality of partition plates and the exchange core, the internal circulation air valve is arranged on the partition plates, the air return cavity and the air supply cavity are communicated when the internal circulation air valve is opened, the humidifying device is arranged in the air supply cavity, and the humidity sensor is arranged in the air return cavity; the humidity sensor, the humidifying device and the internal circulation air valve are all electrically connected to the controller.

Compared with the prior art, the automatic humidification fresh air exchanger provided by the embodiment of the utility model is internally provided with the humidification device and the internal circulation air valve, and the humidity sensor and the controller are arranged, so that the fresh air exchanger can automatically detect the air humidity when indoor air circulation is carried out, further the air humidity is increased, the automatic humidification function is realized, manual operation humidification by a user is not needed, and the use by the user is facilitated.

In a preferred or optional embodiment, the automatic humidifying fresh air exchanger further comprises a return air filtering device, a fresh air filtering device, a blower and an exhaust fan;

the air return filtering device is arranged in the air return cavity, the fresh air filtering device is arranged in the fresh air cavity, the air feeder is arranged in the air feeding cavity, an output port of the air feeder is communicated with the air feeding port, the exhaust fan is arranged in the exhaust cavity, and an output port of the exhaust fan is communicated with the exhaust port.

In a preferred or optional embodiment, the internal circulation air valve comprises a valve frame, a valve motor, a plurality of valve plates and a connecting rod, the valve frame is arranged on the partition plate, the valve motor is arranged on the valve frame, the valve plates are rotatably arranged in the valve frame, the end part of the connecting rod is in transmission connection with an output shaft of the valve motor, and the main part of the connecting rod is in transmission connection with the end parts of the valve plates.

In a preferred or optional embodiment, the humidifying device is arranged on one side of the internal circulation air valve.

In a preferred or optional embodiment, the humidifying device comprises a fixed frame, a water supply part and a humidifying curtain, the fixed frame is arranged on the partition plate, the water supply part is arranged at the bottom end of the fixed frame, and the humidifying curtain is arranged in the fixed frame.

In a preferred or optional embodiment, the humidifying device further comprises a fixed cover plate, the top end of the fixed frame is provided with a mounting opening for mounting the humidifying curtain body, and the fixed cover plate covers the mounting opening of the fixed frame.

In a preferred or optional embodiment, the top end of the humidifying curtain body is provided with a temperature control unit.

In a preferred or optional embodiment, the automatic humidifying fresh air exchanger further comprises a fresh air isolating valve, and the fresh air isolating valve is arranged at the fresh air opening.

In a preferred or optional embodiment, the automatic humidifying fresh air exchanger further comprises an exhaust isolation valve, and the exhaust isolation valve is arranged at the exhaust outlet.

In a preferred or alternative embodiment, the return air filter means and the fresh air filter means each comprise a HEPA filter layer.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an automatic humidifying fresh air exchanger of the present invention;

FIG. 2 is a schematic structural view of an internal circulation air valve of the present invention;

FIG. 3 is a schematic view of the humidifying device of the present invention;

FIG. 4 is a schematic view of the humidifying curtain of the present invention;

FIG. 5 is a schematic diagram of a conventional mode of the automatic humidifying fresh air exchanger of the present invention;

fig. 6 is a schematic view of the humidification mode of the automatic humidification fresh air exchanger of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

Referring to fig. 1, fig. 1 is a schematic view of an overall structure of an automatic humidifying fresh air exchanger according to the present invention. The embodiment provides an automatic humidification's new trend switch, and it includes casing 1, exchange core 2, a plurality of baffle 3, inner loop blast gate 4, humidification device 5, return air filter equipment 6, new trend filter equipment 7, forced draught blower 8, exhaust fan 9, humidity transducer 10 and controller 101 that have the holding chamber. The switching core body 2 sets up the holding intracavity of casing 1, a plurality of the baffle 3 with switching core body 2 will return air chamber 11, supply air chamber 12, new trend chamber 13 and exhaust chamber 14 are separated into to the holding chamber of casing 1, inner loop blast gate 4 sets up on the baffle 3, humidification device 5 sets up in the supply air chamber 12, return air filter equipment 6 sets up in the return air chamber 11, new trend filter equipment 7 sets up in the new trend chamber 13, forced draught blower 8 sets up in the supply air chamber 12, exhaust fan 9 sets up in the exhaust chamber 14, humidity transducer 10 sets up in the return air chamber, humidity transducer 10, humidification device and inner loop blast gate all electricity connect in controller 101.

The following explains each part of the fresh air exchanger of this embodiment with automatic humidification in detail:

this embodiment casing 1 is cavity cuboid structure, return air inlet, supply-air outlet, fresh air inlet and air exit have been seted up to casing 1's side, the return air inlet with return air chamber 11 intercommunication, the supply-air outlet with supply-air chamber 12 intercommunication, the fresh air inlet with fresh air chamber 13 intercommunication, the air exit with exhaust chamber 14 intercommunication. Preferably, the automatic humidification fresh air exchanger further comprises a fresh air isolating valve 131 and an exhaust isolating valve 141, the fresh air isolating valve 131 is arranged at the fresh air opening, the exhaust isolating valve 141 is arranged at the air outlet, the fresh air isolating valve 131 is used for controlling the opening and closing of the fresh air opening, and the exhaust isolating valve 141 is used for controlling the opening and closing of the air outlet. Preferably, a protective cover (not shown) is arranged outside the fresh air opening, and the protective cover prevents the fresh air opening from being impacted by foreign objects, so that the service life of the fresh air opening is prolonged.

In this embodiment, casing 1 adopts sheet metal to splice, through pin or screw fixed connection between each panel, the surface of casing 1 adopts the baking finish to cover, prevents casing 11 ageing with the reinforcing casing 1 is pleasing to the eye.

The shape of the exchange core body 2 is a quadrangular structure, preferably, four side surfaces of the exchange core body 2 are all provided with filter screens, and further, air entering the shell 1 is cleaned. When the automatic-humidification fresh air exchanger exchanges indoor and outdoor air, outdoor air enters the fresh air cavity 13 from the fresh air inlet, then enters the air supply cavity 12 after passing through the exchange core 2, indoor air enters the air return cavity 11 from the air return inlet, then enters the air exhaust cavity 14 after passing through the exchange core 2, and the outdoor air and the indoor air perform sufficient energy exchange in the exchange core 2, so that heat energy of the air in the box body is effectively recovered, the temperature of the air output by the air supply outlet is always comfortable, energy loss is reduced, and the energy-saving effect is good.

Referring to fig. 2, fig. 2 is a schematic structural view of an internal circulation air valve according to the present invention.

The internal circulation air valve 4 is communicated with the air return cavity 11 and the air supply cavity 12 when opened, the internal circulation air valve 4 comprises a valve frame 41, a valve motor 42, a plurality of valve plates 43 and a connecting rod 44, the valve frame 41 is arranged on the partition plate 3, in the embodiment, a mounting surface of the valve frame 41 is provided with a mounting hole, the valve frame 41 can be fixed through a bolt, and in other embodiments, the valve frame 41 can be mounted through embedding or buckling. The valve motor 42 is disposed on the valve frame 41, and preferably, in order to improve the control accuracy of the internal circulation air valve 4, the valve motor 42 is a stepping motor. A plurality of the valve block 43 is rotatable to be set up in the valve frame 41, rotatable coupling can be carried out through bearing or card hole at the both ends of valve block 43, the tip of connecting rod 44 with valve motor 42's output shaft transmission is connected, the main part of connecting rod 44 with valve block 43's tip transmission is connected, when valve motor 42's output shaft rotates, the drive connecting rod 44, connecting rod 44 drives again valve block 43 rotates, through control valve block 43's rotation is controlled opening and closing of inner loop blast gate 4, transmission connection can be through the transmission mode that technical staff commonly used such as transfer line, drive gear.

Referring to fig. 3 and 4, fig. 3 is a schematic structural view of the humidifying device of the present invention, and fig. 4 is a schematic structural view of the humidifying curtain of the present invention.

The humidifying device 5 is arranged on one side of the internal circulation air valve 4, the humidifying device 5 comprises a fixed frame 51, a water supply piece 52 and a humidifying curtain body 53, the fixed frame 51 is arranged on the partition board 3, in the embodiment, the mounting surface of the fixed frame 51 is provided with a mounting hole, the fixed frame 51 can be fixed through a bolt, and in other embodiments, the fixed frame 51 can be mounted in a jogged or buckled mode. The water supply member 52 is disposed at the bottom end of the fixed frame 51, preferably, a concave portion is disposed on the outer surface of the water supply member 52 for facilitating the user to detach and install the water supply member 52, and the water supply member 52 may be a humidifier, an atomizer, or the like, and is capable of accommodating moisture and supplying moisture to the humidifying curtain 53. The humidifying curtain body 53 is arranged in the fixed frame 51, the humidifying curtain body 53 can be installed in the fixed frame 51 in a fitting or buckling mode, and the main body part of the humidifying curtain body 53 can be made of water-absorbing fibers, other fiber mixed materials or flexible materials and has excellent water absorption.

Preferably, a temperature control unit 531 is disposed at the top end of the humidifying curtain 53, so that when the humidifying temperature is excessive, the humidifying device 5 can automatically jump off, and the safety of the humidifying device 5 is further protected. More preferably, the humidifying device 5 further comprises a fixing cover plate 54, the top end of the fixing frame 51 is provided with an installation opening for installing the humidifying curtain 53, the fixing cover plate 54 covers the installation opening of the fixing frame 51, and a user can install and detach the humidifying curtain 53 through the installation opening.

The return air filtering device 6 includes, but is not limited to, a polyester net Filter element and a HEPA (High efficiency particulate air Filter) Filter element, and the polyester net is a net cloth woven by using a textile machine and adopting different weaving methods, and can primarily isolate impurities such as bugs, large dust, fibers and the like in the air. The effective rate of the filter screen reaching the HEPA standard reaches 99.7 percent for 0.1 micron and 0.3 micron, and the HEPA filter has the characteristic that air can pass through but fine particles cannot pass through. The HEPA filter has the removal efficiency of more than 99.97% on particles with the diameter of more than 0.3 micrometer (1/200 of hair diameter), and can effectively filter pollutants such as smoke, dust, bacteria and the like.

Similarly, the fresh air filtering device 7 includes, but is not limited to, a polyester mesh filter element and a HEPA filter element.

The blower 8 is arranged in the blowing cavity 12, and an output port of the blower 8 is communicated with the blowing port. The exhaust fan 9 is arranged in the exhaust cavity 14, and an output port of the exhaust fan 9 is communicated with the exhaust port.

The humidity sensor 10 is used for detecting the humidity in the air return cavity and transmitting a detection signal to the controller 101, the controller 101 is used for receiving the detection signal of the humidity sensor 10 and controlling the starting or stopping of the humidifying device and the internal circulation air valve, specifically, the controller 101 is arranged outside the shell, and the controller 101 is electrically connected to a valve motor of the internal circulation air valve and a water supply part of the humidifying device. The operating principle of the humidity sensor 10 and the controller 101 may be as follows: humidity transducer 10 is provided with preset humidity, works as when humidity transducer 10 detects the humidity in return air chamber and drops below preset humidity, then sends the detection signal that humidity is low excessively and gives controller 101, and controller 101 received the detection signal that humidity is too low this moment, and the start work of control humidification device and inner loop blast gate carries out the humidification to the air in the return air chamber.

Referring to fig. 5 and 6, fig. 5 is a schematic diagram of a conventional mode of the automatic humidifying fresh air exchanger of the present invention, and fig. 6 is a schematic diagram of a humidifying mode of the automatic humidifying fresh air exchanger of the present invention.

The fresh air exchanger with the automatic humidification function has multiple modes, and the two modes of a conventional mode and a humidification mode are mainly listed in the embodiment.

In a conventional mode, the internal circulation air valve 4 is closed, the fresh air isolating valve 131 and the exhaust air isolating valve 141 are both opened, outdoor fresh air enters from the fresh air inlet, is sucked by the blower 8 after passing through the fresh air filtering device 7 and the exchange core body 2 respectively, and is sent into a room from the air inlet; indoor return air enters from the return air inlet, is sucked by the exhaust fan 9 after passing through the return air filtering device 6 and the exchange core body 2 respectively, and is exhausted outdoors from the exhaust outlet.

When the humidity sensor 10 detects that the humidity in the air return cavity 11 is below a preset humidity, the fresh air exchanger enters a humidification mode, in the humidification mode, the internal circulation air valve 4 and the humidification device 5 are opened under the control of the controller 101, the fresh air isolation valve 131 and the exhaust air isolation valve 141 are both closed, and the exhaust fan 9 stops running; after entering the housing 1 from the return air inlet, the indoor return air passes through the return air filtering device 6, then does not pass through the exchange core 2, but is sucked by the blower 8 through the internal circulation air valve 4, is humidified by the humidifying device 5 installed on one side of the internal circulation air valve 4, absorbs heat to cool, is pressurized in the blower 8, and then is sent to the indoor. It should be noted that the fresh air isolation valve 131 and the exhaust air isolation valve 141 may also be electrically connected to the controller 101, so that when entering the humidification mode, the two isolation valves may be closed under the control of the controller 101, of course, the fresh air isolation valve 131 and the exhaust air isolation valve 141 may also be electrically connected to other controllers, as long as when entering the humidification mode, the two isolation valves may be closed.

According to the automatic humidification fresh air exchanger provided by the embodiment of the utility model, the humidification device and the internal circulation air valve are arranged in the automatic humidification fresh air exchanger, and the humidity sensor and the controller are arranged, so that the humidity of air can be automatically detected when the fresh air exchanger is used for indoor air circulation, the humidity of the air is further increased, the automatic humidification function is realized, manual humidification by a user is not required, and the use by the user is facilitated.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides an automatic new trend switch of humidification which characterized in that includes:

the device comprises a shell, an exchange core body, a plurality of partition plates, an internal circulation air valve, a humidifying device, a humidity sensor and a controller, wherein the shell is internally provided with an accommodating cavity;

2. The automatic humidifying fresh air exchanger of claim 1, wherein:

the device also comprises a return air filtering device, a fresh air filtering device, a blower and an exhaust fan;

3. The automatic humidifying fresh air exchanger of claim 1, wherein:

the internal circulation air valve comprises a valve frame, a valve motor, a plurality of valve plates and a connecting rod, wherein the valve frame is arranged on the partition plate, the valve motor is arranged on the valve frame, the valve plates can be rotatably arranged in the valve frame, the end part of the connecting rod is in transmission connection with an output shaft of the valve motor, and the main body part of the connecting rod is in transmission connection with the end parts of the valve plates.

4. The automatic humidification's new trend switch of claim 1, characterized in that:

the humidifying device is arranged on one side of the internal circulation air valve.

5. The automatic humidifying fresh air exchanger of claim 1, wherein:

the humidifying device comprises a fixed frame, a water supply piece and a humidifying curtain body, wherein the fixed frame is arranged on the partition plate, the water supply piece is arranged at the bottom end of the fixed frame, and the humidifying curtain body is arranged in the fixed frame.

6. The automatic humidifying fresh air exchanger of claim 5, wherein:

the humidifying device further comprises a fixed cover plate, a mounting hole used for mounting the humidifying curtain body is formed in the top end of the fixed frame, and the mounting hole of the fixed frame is covered by the fixed cover plate.

7. The automatic humidifying fresh air exchanger of claim 5, wherein:

the top end of the humidifying curtain body is provided with a temperature control unit.

8. An automatically humidifying fresh air exchange as claimed in any one of claims 1 to 7, wherein:

still include fresh air isolating valve, fresh air isolating valve sets up fresh air mouth.

9. An automatically humidifying fresh air exchange as claimed in any one of claims 1 to 7, wherein:

still include the isolating valve of airing exhaust, the isolating valve of airing exhaust sets up the air exit.

10. The automatic humidifying fresh air exchanger of claim 2, wherein:

the return air filter device with new trend filter device all includes the HEPA filter layer.