CN105485828A - A full-heat fresh air exchanger capable of internal circulation and purification of air - Google Patents

Abstract

A total heat fresh air exchanger capable of internally circulating and purifying air comprises a shell, an air filtering device, a heat exchanger and an air supply device, wherein the air filtering device is provided with an outdoor air inlet part and an indoor air inlet part; the heat exchanger is matched with the air supply device; the air filtering device, the heat exchanger and the discharging device are arranged in the shell in sequence; the air supply device comprises a first fan and a second fan; the air-out switching device is connected with the air-out pipe of the first fan; the first working mode is a micro-fresh air mode; the second working mode is a brand new air mode. The second working mode is opened when abominable external environment, air-dries the anti-condensation water that heat exchanger produced to ensure that indoor fresh air oxygen's that still has addition and indoor be in the malleation, increaseed the air quantity that the inner loop purified moreover, remedied the not enough of new trend reduction, ensure that indoor air is more fresh healthy, also can make full use of parallelly connected double fan wind path effect, it is energy-conserving high-efficient.

Description

A full-heat fresh air exchanger capable of internal circulation and purification of air

technical field

The invention relates to an indoor air and an indoor air purification device.

Background technique

In the current prior art, an air purifier with full heat exchange includes a shell, an air filter device, a heat exchanger device and an air supply device, and the air filter device has an outdoor air inlet and an indoor air inlet; The heat exchanger device is rhombus-shaped, and the heat exchanger device has a first channel and a second channel, and the outdoor air intake part and the indoor air intake part communicate with the first and second channels respectively; the heat exchanger device cooperates with the air supply device; An air filter device, a heat exchanger device and a discharge device are sequentially arranged in the air inlet purification component. Existing problems are: single function, such as outdoor air entering and filtering, indoor cavity air exhausting; or indoor air purification.

Contents of the invention

The object of the present invention is to provide a total heat fresh air exchanger capable of purifying air by internal circulation, which has multiple working modes, keeps indoor air fresh, and is easy to operate.

The present invention is achieved in the following way: a full-heated fresh air exchanger capable of purifying air by internal circulation, including a shell, an air filter device, a heat exchanger device and an air supply device, and the air filter device has an outdoor air intake part and an indoor air inlet. The air intake part; the heat exchanger device has a first passage and a second passage on the heat exchanger device, and the outdoor air intake part and the indoor air intake part communicate with the first and second passages respectively; the heat exchanger device is connected with the air supply The device cooperates; the air filter device, the heat exchanger device and the discharge device are sequentially arranged in the air inlet purification component; the special feature is that the air supply device includes a first fan and a second fan;

It also includes a wind path switching device and an exhaust switching device,

The air path switching device is arranged at the air outlet end of the first channel;

The exhaust air switching device is arranged in the air outlet pipe of the air supply device; the air outlet pipes of the first and second fans of the air supply device are connected;

The air path switching device is opposite to the first channel, the exhaust air switching device closes the air outlet end of the air outlet pipe of the second fan, and the second fan is connected with the air outlet pipe of the first fan; it is the first working state, micro-new state of the air;

In the state of fresh air, the switching device is reversed, and the first channel is connected with the first fan, and the second channel is connected with the second fan; the exhaust switching device closes the connection between the first and second fans, and the second fan blows The tube is turned on; it is the second working state, a new air state.

The above-mentioned total heat fresh air exchanger capable of purifying air by internal circulation is special in that: the air filter device includes an inlet air purification component and an air purification device,

The air inlet end plate of the air inlet end of the air inlet purification component has an outdoor air interface, an indoor air interface, an outdoor air filter cavity, an indoor air filter cavity and a heat exchange installation position,

The heat exchanger device is arranged on the heat exchange installation position, the outdoor air filter chamber communicates with the first channel of the heat exchanger device, and the first channel communicates with the second air outlet channel; In the second air outlet channel;

The indoor air filter chamber communicates with the second channel of the heat exchanger device, and the second channel communicates with the first air outlet channel.

The above-mentioned full-heat fresh air exchanger capable of internal circulation and purification of air is special in that: the air path switching device includes a stepping motor, an arc-shaped damper plate and an air path switching frame;

The air path switching frame includes a first opening, a second opening, a third opening and a motor installation position, and the first and second openings are in the same plane;

Both ends of the arc-shaped damper plate are provided with fan-shaped frame plates, and there are shaft holes on the frame plate;

The first opening of the air path switching frame is connected to the first channel, the second opening is connected to the second channel, and the third opening is connected to the first and second channels;

The stepping motor is set in the motor installation position, the frame plate is pivotally connected with the air circuit switching frame, and the stepping motor and the driving frame plate rotate;

In the state of fresh air, the arc-shaped damper plate fits with the second opening, and there is a gap between the lower end of the arc-shaped damper plate and the lower end of the second channel; in the state of fresh air, the arc-shaped damper plate and the third opening Chimeric.

The above-mentioned total heat fresh air exchanger capable of internally circulating and purifying air is special in that: the air supply device includes a first volute, a first volute, a first centrifugal fan, a second volute, The second worm plate, the second centrifugal wind wheel and the motor;

The motor is a biaxial motor;

There is a first lower half air outlet pipe on the first volute communicating with the first volute, and a second lower half air outlet pipe on the first volute;

The second volute has a second upper half air outlet pipe communicating with the second volute, and the second upper half air outlet pipe is arranged on the second volute; the first upper half air outlet pipe and the second upper half air outlet pipe Connected through the air duct;

The exhaust switching device is arranged at the intersection of the second volute air outlet and the second upper half of the air outlet pipe, and cooperates with the second upper half of the air outlet pipe and the air guide duct;

The first volute is engaged with the first volute, the second volute is engaged with the second volute, the first and second volutes are attached, the first centrifugal fan is set in the first volute, and the motor is set in the In the first volute, one shaft extension is fixedly connected with the first centrifugal wind wheel, and the other shaft extension passes through the first volute plate and the second volute plate and extends into the second volute case and is fixedly connected with the second centrifugal wind wheel.

The above-mentioned full-heat fresh air exchanger capable of internal circulation and purification of air is special in that: the exhaust air switching device includes an exhaust air switching board and a stepping motor;

The exhaust switching plate is pivotally connected to the intersection of the second volute air outlet and the second upper half of the air outlet pipe. In the first state, the exhaust air switching plate closes the second upper half of the air pipe; in the second state, the exhaust air The switching plate closes the air duct.

The present invention is an all-heating fresh air exchanger capable of purifying air by internal circulation. Due to the adoption of such a structure, multiple working modes can be switched; in the first working mode, the indoor and outdoor air are filtered and exchanged, and the indoor air is discharged to the outside. , the outdoor is discharged to the indoor; the second working mode, the indoor enters the filter, the outdoor air enters the filter, the indoor and outdoor air are all discharged to the indoor, and the outdoor air enters to supplement the fresh air.

Description of drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is the A-A view of Fig. 1 .

Fig. 3 is a BB view of Fig. 1 .

Fig. 4 is a CC view of Fig. 1 .

Fig. 5 is a front view of the present invention without a casing.

Fig. 6 is one of the three-dimensional exploded views of the present invention.

Fig. 7 is the second perspective exploded view of the present invention.

Fig. 8 is a perspective view of the air inlet purification component of the present invention.

Fig. 9 is one of the three-dimensional exploded views of the combination of the first blower and the second blower in the present invention.

Fig. 10 is the second perspective exploded view of the combination of the first fan and the second fan in the present invention.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, a full-heat fresh air exchanger capable of purifying air by internal circulation includes a casing 1, an air filter device 2, a heat exchanger device 3 and an air supply device 4, and the air filter device 2 has an outdoor air intake The heat exchanger device 3 is rhombus-shaped, or the heat exchanger device 3 includes a front plane, a rear plane, a top plane, a bottom plane and two side angular end faces, and the heat exchanger device 3 has a first passage And the second passage, the heat exchanger device 3 is a known technology; the outdoor air intake part and the indoor air intake part communicate with the first and second passages respectively; the heat exchanger device 3 cooperates with the air supply device 4; the air filter device 2. The heat exchanger device 3 and the exhaust device 4 are sequentially arranged in the inlet air purification component 1 .

The air blower 4 includes a first fan 5 and a second fan 6;

It also includes a wind path switching device 7 and an exhaust switching device 8,

The wind path switching device 7 is provided with an air outlet end of the first channel;

The exhaust switching device 8 is arranged in the outlet pipe of the second fan 6; the outlet pipes of the first and second fans 5 and 6 are connected;

The wind path switching device 7 is opposite to the first channel, which is in a state of slightly fresh air. The exhaust air switching device 8 closes the air outlet end of the air outlet pipe of the second fan 6, and the outlet pipe of the second fan 6 and the first fan 5 connected;

In the state of slightly fresh air, the wind path switching device 7 is overturned, the first channel is communicated with the first fan 5, and the second channel is communicated with the second fan 6; the exhaust air switching device connects the 8 first and second fans 5, 6 The connecting part is closed, and the outlet pipe of the second blower fan 6 is conducted; it is called the fresh air state.

As shown in Fig. 6, Fig. 7 and Fig. 8, the air filter device 2 includes an air inlet cleaning component 21 and an air cleaning device (not shown in the figure),

As shown in Figure 8, the air inlet end plate of the air inlet end of the air inlet purification component 21 has an outdoor air interface 211, an indoor air interface 212, an outdoor air filter cavity 213, an indoor air filter cavity 214 and a heat exchange installation position 215 The outdoor air interface 211 communicates with the outdoor air filter cavity 213, and the indoor air interface 212 communicates with the indoor air filter cavity 214;

The heat exchanger device 3 is arranged on the heat exchange installation position 215, and the wall panels of the outdoor air filter chamber 213 and the indoor air filter chamber 214 and the heat exchanger device 3 form an outdoor air guide chamber 218 and an indoor air guide chamber 219 ;

The outdoor air interface 211, the outdoor air filter cavity 213, the outdoor air guide cavity 218, the first channel and the second air outlet channel 2172 of the heat exchanger device 3 are connected in sequence;

The wind path switching device 7 is arranged in the second air outlet channel 2172;

The indoor air interface 212, the indoor air filter chamber 214, the indoor air guide chamber 219, the second channel of the heat exchanger device 3 and the first air outlet channel 2171 are connected in sequence.

The air path switching device 7 includes a stepping motor 71, an arc-shaped damper plate 72 and an air path switching frame 73,

As shown in Figure 8, the air path switching frame 73 includes a first opening 731, a second opening 732, a third opening 733 and a motor installation position 734, and the first and second openings 731, 732 are in the same plane;

The two ends of the arc-shaped damper plate 72 are provided with a fan-shaped frame plate 721, and there are shaft holes on the frame plate;

The motor mounting position on the air inlet purification component 21;

The stepping motor 71 is arranged in the motor installation position, the frame 721 is pivotally connected with the air path switching frame 73, and the stepping motor 71 and the driving frame plate rotate;

The first opening 731 of the air path switching frame 73 is connected to the first channel 2171, the second opening 732 is connected to the second channel 2172, and the third opening 733 is connected to the first and second channels 2171 and 2172;

Under the slightly new air state, the arc-shaped damper plate 72 fits with the second opening, and there is a gap between the lower end of the arc-shaped damper plate 72 and the lower end of the second passage 2172; The third opening 733 fits into it.

The state shown in Figure 2, Figure 3, and Figure 4 is the state of slightly new air. In the slightly fresh air state, the arc-shaped damper plate 72 fits with the first opening, and there is a gap between the lower end of the arc-shaped damper plate 72 and the lower end of the first opening;

Under the slight new air state shown in Fig. 2, Fig. 3 and Fig. 4, the arc-shaped damper plate 72 rotates 90 degrees clockwise, and the arc-shaped damper plate 72 is fitted with the third opening; it is a new air state.

The air supply device 4 includes a first volute 51, a first worm plate 52, a first centrifugal fan 53, a second volute 61, a second worm plate 62, a second centrifugal fan 63 and a motor 9;

The motor 83 is a biaxial extension motor;

As shown in Fig. 9 and Fig. 10, the first lower half air outlet pipe 511 on the first volute 51 communicates with the first volute 51, and the second lower half air outlet pipe 611 is provided on the first volute 61;

The second volute 61 has a second upper half air outlet pipe 612 communicated with the second volute 62, and the second upper half air outlet pipe 512 is arranged on the second volute 61; The second upper half of the air outlet pipe 612 is connected through the air guide channel 614;

The exhaust switching device 8 is arranged at the intersection of the second volute 62 air outlet and the second upper half of the air outlet pipe 612, and the exhaust air switching device 8 cooperates with the second upper half of the air outlet pipe 612 and the air guide channel 614;

The first volute 53 is engaged with the first volute 51, the second volute 63 is engaged with the second volute 61, the first and second volutes 53, 63 are attached, and the first centrifugal fan 53 is arranged at the second In a volute 51, the motor 9 is arranged in the first volute 51, one shaft extension is fixedly connected with the first centrifugal wind wheel 53, and the other shaft extension passes through the first worm plate 53 and the second worm plate 63 and extends into the first The second volute 61 is fixedly connected with the second centrifugal fan 63 .

The exhaust switching device 8 includes an exhaust switching board 81 and a stepping motor (not shown in the figure);

The exhaust switching plate 81 is pivotally connected to the intersection of the air outlet of the second volute 61 and the second upper half of the air outlet pipe 612. In the first state, that is, the fresh air state, the exhaust switching plate 81 closes the second upper half. The air outlet end of the half air duct 612 ; in the second state, that is, the fresh air state, the air exhaust switching plate 82 closes the air guiding channel 614 .

The present invention is when working, under the first kind of working state, namely slightly fresh air state. As shown in Figure 2 and Figure 4, the outdoor enters the second air outlet channel 2172 through the outdoor air interface 211, the outdoor air filter cavity 213, the outdoor air guide cavity 218, and the first channel of the heat exchanger device 3, and then the circular arc The gap between the damper plate 72 and the lower end of the first opening enters the first fan 5 and is discharged indoors; the air path switching device 7 closes the air outlet of the second fan 6;

At the same time, as shown in Figure 2 and Figure 3, the indoor air enters the first air outlet channel 2171 through the second channel of the indoor air interface 212, the indoor air filter cavity 214, the indoor air guide cavity 219, and the heat exchanger device 3. Then enter the second fan 6 and discharge it indoors through the air guide duct 614 and the air outlet of the first fan 5;

In the first working state, the air volume entering the outdoors is reduced at this time, but the air volume entering the room is greatly increased, which can not only dry the condensation water generated by the heat exchanger, ensure safety, but also ensure that there is still fresh air and fresh oxygen in the room. The room is under positive pressure, and the amount of air purified by the internal circulation is increased.

The second working state is under the state of fresh air. As shown in Figure 2 and Figure 5, in the state of Figure 2, the arc-shaped damper plate 72 rotates 90 degrees clockwise, and the arc-shaped damper plate 72 fits with the third opening 733; the air path switching device 7 closes the air guide channel 614;

The outside enters the second air outlet channel 2172 through the outdoor air interface 211, the outdoor air filter chamber 213, the outdoor air guide chamber 218, and the first channel of the heat exchanger device 3, and enters the first fan 5 to be discharged indoors;

The indoor air enters the first air outlet channel 2171 through the indoor air interface 212, the indoor air filter cavity 214, the indoor air guide cavity 219, and the second channel of the heat exchanger device 3; then enters the second fan 6 and is discharged outdoors.

When switching between the slightly new air state and the brand new air state, the wind path switching device 7 and the exhaust air switching device 8 are linked.

What has been described above are only preferred embodiments of the present invention. It should be noted that, for those skilled in the art, some improvements and modifications can be made without departing from the principle of the present invention, which are also regarded as the protection scope of the present invention.

Claims (5)

1. A full-heating fresh air exchanger capable of purifying air by internal circulation, comprising a casing, an air filter device, a heat exchanger device and an air supply device, the air filter device has an outdoor air intake part and an indoor air intake part; The heat exchanger device has a first passage and a second passage on the heat exchanger device, and the outdoor air intake part and the indoor air intake part communicate with the first and second passages respectively; the heat exchanger device cooperates with the air supply device; the air filter The device, the heat exchanger device and the discharge device are sequentially arranged in the air inlet purification component; it is characterized in that: the air supply device includes a first fan and a second fan; It also includes a wind path switching device and an exhaust switching device, The air path switching device is arranged at the air outlet end of the first channel; The exhaust air switching device is arranged in the air outlet pipe of the air supply device; the air outlet pipes of the first and second fans of the air supply device are connected; The air path switching device is opposite to the first channel, the exhaust air switching device closes the air outlet end of the air outlet pipe of the second fan, and the second fan is connected with the air outlet pipe of the first fan; it is the first working state, micro-new state of the air; In the state of fresh air, the switching device is reversed, and the first channel is connected with the first fan, and the second channel is connected with the second fan; the exhaust switching device closes the connection between the first and second fans, and the second fan blows The tube is turned on; it is the second working state, a new air state. 2. A kind of total heat fresh air exchanger capable of purifying air by internal circulation according to claim 1, characterized in that: said air filter device comprises an inlet air purification component and an air purification device, The air inlet end plate of the air inlet end of the air inlet purification component has an outdoor air interface, an indoor air interface, an outdoor air filter cavity, an indoor air filter cavity and a heat exchange installation position, The heat exchanger device is arranged on the heat exchange installation position, the outdoor air filter chamber communicates with the first channel of the heat exchanger device, and the first channel communicates with the second air outlet channel; In the second air outlet channel; The indoor air filter chamber communicates with the second channel of the heat exchanger device, and the second channel communicates with the first air outlet channel. 3. A total heat fresh air exchanger capable of purifying air by internal circulation according to claim 2, characterized in that: the air path switching device includes a stepping motor, an arc-shaped damper plate and an air path switching frame; The air path switching frame includes a first opening, a second opening, a third opening and a motor installation position, and the first and second openings are in the same plane; Both ends of the arc-shaped damper plate are provided with fan-shaped frame plates, and there are shaft holes on the frame plate; The first opening of the air path switching frame is connected to the first channel, the second opening is connected to the second channel, and the third opening is connected to the first and second channels; The stepping motor is set in the motor installation position, the frame plate is pivotally connected with the air circuit switching frame, and the stepping motor and the driving frame plate rotate; In the state of fresh air, the arc-shaped damper plate fits with the second opening, and there is a gap between the lower end of the arc-shaped damper plate and the lower end of the second channel; in the state of fresh air, the arc-shaped damper plate and the third opening Chimeric. 4. A total heat fresh air exchanger capable of purifying air by internal circulation according to claim 1, 2 or 3, characterized in that: the air supply device includes a first volute, a first worm plate, a first centrifugal Wind wheel, second volute, second worm plate, second centrifugal wind wheel and motor; The motor is a biaxial motor; There is a first lower half air outlet pipe on the first volute communicating with the first volute, and a second lower half air outlet pipe on the first volute; The second volute has a second upper half air outlet pipe communicating with the second volute, and the second upper half air outlet pipe is arranged on the second volute; the first upper half air outlet pipe and the second upper half air outlet pipe Connected through the air duct; The exhaust switching device is arranged at the intersection of the second volute air outlet and the second upper half of the air outlet pipe, and cooperates with the second upper half of the air outlet pipe and the air guide duct; The first volute is engaged with the first volute, the second volute is engaged with the second volute, the first and second volutes are attached, the first centrifugal fan is set in the first volute, and the motor is set in the In the first volute, one shaft extension is fixedly connected with the first centrifugal wind wheel, and the other shaft extension passes through the first volute plate and the second volute plate and extends into the second volute case and is fixedly connected with the second centrifugal wind wheel. 5. A total heat fresh air exchanger capable of purifying air by internal circulation according to claim 4, characterized in that: the exhaust air switching device comprises an exhaust air switching board and a stepping motor; The exhaust switching plate is pivotally connected to the intersection of the second volute air outlet and the second upper half of the air outlet pipe. In the first state, the exhaust air switching plate closes the second upper half of the air pipe; in the second state, the exhaust air The switching plate closes the air duct.